/* AMD風スタイルシート - モダンでプロフェッショナルなデザイン */

/* CSS変数定義 */
:root {
    /* 黒色ベースのスタイリッシュカラー */
    --haichat-black: #000000;
    --haichat-dark-900: #0a0a0a;
    --haichat-dark-800: #1a1a1a;
    --haichat-dark-700: #2a2a2a;
    --haichat-dark-600: #3a3a3a;
    --haichat-dark-500: #4a4a4a;
    --haichat-dark-400: #6a6a6a;
    --haichat-dark-300: #8a8a8a;
    --haichat-dark-200: #aaaaaa;
    --haichat-dark-100: #cccccc;
    --haichat-dark-50: #e5e5e5;
    --haichat-white: #ffffff;
    
    /* アクセントカラー */
    --haichat-blue: #00d4ff;
    --haichat-dark-blue: #0099cc;
    --haichat-purple: #8b5cf6;
    --haichat-dark-purple: #6d28d9;
    --haichat-cyan: #00ffff;
    --haichat-pink: #ff0080;
    --haichat-green: #00ff88;
    --haichat-yellow: #ffff00;
    --haichat-orange: #ff6600;
    --haichat-red: #ff3366;
    
    /* セマンティックカラー */
    --haichat-dark-gray: var(--haichat-dark-800);
    --haichat-gray: var(--haichat-dark-300);
    --haichat-light-gray: var(--haichat-dark-200);
    --haichat-off-white: var(--haichat-dark-50);
    
    /* グラデーション */
    --gradient-primary: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #2a2a2a 100%);
    --gradient-secondary: linear-gradient(135deg, #00d4ff 0%, #8b5cf6 50%, #ff0080 100%);
    --gradient-accent: linear-gradient(135deg, #00ffff 0%, #00ff88 50%, #ffff00 100%);
    --gradient-dark: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2a2a2a 100%);
    --gradient-glow: linear-gradient(135deg, #00d4ff 0%, #8b5cf6 100%);
    
    /* フォント */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Arial', sans-serif;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* ボーダー半径 */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* シャドウ */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-glow-purple: 0 0 20px rgba(139, 92, 246, 0.3);
    --shadow-glow-pink: 0 0 20px rgba(255, 0, 128, 0.3);
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* リセットとベーススタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--haichat-white);
    background: var(--gradient-primary);
    overflow-x: hidden;
    position: relative;
}

/* すべてのテキストを白色に統一 */
* {
    color: var(--haichat-white);
}

/* ロゴスタイル */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 10px;
    transition: var(--transition-normal);
    padding: 8px 0;
}

.logo:hover {
    transform: scale(1.02);
}

.logo:hover .logo-img {
    transform: scale(1.05);
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.company-name {
    font-size: 16px;
    font-weight: bold;
    color: var(--haichat-white);
    white-space: nowrap;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-fast);
}

.logo-img:hover {
    transform: scale(1.05);
}

/* モバイル対応 */
@media (max-width: 768px) {
    .logo {
        gap: 6px;
    }
    
    .logo-img {
        height: 32px;
    }
    
    .company-name {
        font-size: 14px;
    }
    
    .nav-menu {
        margin: 0 10px;
        max-width: none;
    }
    
    .nav-item {
        margin: 0 1px;
    }
    
    .nav-link {
        padding: 6px 8px;
        font-size: 0.8rem;
        min-width: 50px;
    }
}

@media (max-width: 1024px) {
    .nav-menu {
        margin: 0 15px;
        max-width: 500px;
    }
    
    .nav-link {
        padding: 7px 10px;
        font-size: 0.85rem;
        min-width: 55px;
    }
}


/* サポートページ専用スタイル */
.support-hero {
    background: linear-gradient(135deg, var(--haichat-dark-900) 0%, var(--haichat-dark-800) 100%);
    padding: 120px 0 80px;
    text-align: center;
}

.faq-section {
    padding: 80px 0;
    background: var(--haichat-dark-800);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.faq-category h3 {
    color: var(--haichat-blue);
    font-size: 1.5rem;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--haichat-blue);
}

.faq-item {
    background: var(--haichat-dark-700);
    border-radius: var(--border-radius-md);
    margin-bottom: 15px;
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--haichat-dark-600);
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: var(--haichat-dark-500);
}

.faq-question h4 {
    color: var(--haichat-white);
    font-size: 1.1rem;
    margin: 0;
}

.faq-question i {
    color: var(--haichat-blue);
    transition: var(--transition-fast);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 20px;
    margin: 0;
    color: var(--haichat-light-gray);
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.contact-section {
    padding: 80px 0;
    background: var(--haichat-dark-900);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info h3,
.contact-form h3 {
    color: var(--haichat-blue);
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--haichat-white);
    font-size: 1.2rem;
}

.contact-details h4 {
    color: var(--haichat-white);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.contact-details p {
    color: var(--haichat-light-gray);
    margin-bottom: 5px;
}

.contact-details span {
    color: var(--haichat-dark-300);
    font-size: 0.9rem;
}

.support-form {
    background: var(--haichat-dark-700);
    padding: 30px;
    border-radius: var(--border-radius-lg);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    color: var(--haichat-white);
    font-weight: 500;
    margin-bottom: 8px;
}

.required {
    color: var(--haichat-red);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--haichat-dark-500);
    border-radius: var(--border-radius-sm);
    background: var(--haichat-dark-600);
    color: var(--haichat-white);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--haichat-blue);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.2);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.resources-section {
    padding: 80px 0;
    background: var(--haichat-dark-800);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.resource-card {
    background: var(--haichat-dark-700);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition-normal);
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.resource-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.resource-icon i {
    color: var(--haichat-white);
    font-size: 2rem;
}

.resource-card h3 {
    color: var(--haichat-white);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.resource-card p {
    color: var(--haichat-light-gray);
    margin-bottom: 25px;
    line-height: 1.6;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .resources-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .support-hero {
        padding: 100px 0 60px;
    }
}

/* プライバシーポリシーページ専用スタイル */
.privacy-hero {
    background: linear-gradient(135deg, var(--haichat-dark-900) 0%, var(--haichat-dark-800) 100%);
    padding: 120px 0 80px;
    text-align: center;
}

/* アクセシビリティページ専用スタイル */
.accessibility-hero {
    background: linear-gradient(135deg, var(--haichat-dark-900) 0%, var(--haichat-dark-800) 100%);
    padding: 120px 0 80px;
    text-align: center;
}

.accessibility-content {
    padding: 80px 0;
    background: var(--haichat-white);
}

.accessibility-header {
    text-align: center;
    margin-bottom: 60px;
}

.accessibility-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.accessibility-intro {
    font-size: 1.1rem;
    color: var(--haichat-gray-600);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.accessibility-sections {
    max-width: 1000px;
    margin: 0 auto;
}

.accessibility-section {
    margin-bottom: 60px;
    padding: 40px;
    background: var(--haichat-white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--haichat-gray-200);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--haichat-blue);
}

.section-number {
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
}

.section-content h3 {
    color: var(--haichat-dark-900);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.section-content p {
    color: var(--haichat-gray-600);
    line-height: 1.7;
    margin-bottom: 20px;
}

/* 原則グリッド */
.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.principle-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--haichat-gray-50);
    border-radius: 12px;
    border: 1px solid var(--haichat-gray-200);
    transition: var(--transition-normal);
}

.principle-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.principle-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
}

.principle-item h4 {
    color: var(--haichat-dark-900);
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.principle-item p {
    color: var(--haichat-gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 基準グリッド */
.standards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.standard-item {
    padding: 30px;
    background: var(--haichat-gray-50);
    border-radius: 12px;
    border: 1px solid var(--haichat-gray-200);
    transition: var(--transition-normal);
}

.standard-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.standard-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.standard-item h4 {
    color: var(--haichat-dark-900);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.standard-item p {
    color: var(--haichat-gray-600);
    margin-bottom: 20px;
    line-height: 1.6;
}

.compliance-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--haichat-green);
    color: var(--haichat-white);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* 機能グリッド */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: var(--haichat-gray-50);
    border-radius: 10px;
    border: 1px solid var(--haichat-gray-200);
    transition: var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.feature-item h4 {
    color: var(--haichat-dark-900);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.feature-item p {
    color: var(--haichat-gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* 聴覚機能 */
.hearing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.hearing-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--haichat-gray-50);
    border-radius: 10px;
    border: 1px solid var(--haichat-gray-200);
}

.hearing-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.hearing-item h4 {
    color: var(--haichat-dark-900);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.hearing-item p {
    color: var(--haichat-gray-600);
    font-size: 0.9rem;
    margin: 0;
}

/* 運動機能 */
.motor-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.motor-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: var(--haichat-gray-50);
    border-radius: 10px;
    border: 1px solid var(--haichat-gray-200);
    transition: var(--transition-normal);
}

.motor-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.motor-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.motor-item h4 {
    color: var(--haichat-dark-900);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.motor-item p {
    color: var(--haichat-gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* 認知機能 */
.cognitive-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.cognitive-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: var(--haichat-gray-50);
    border-radius: 10px;
    border: 1px solid var(--haichat-gray-200);
    transition: var(--transition-normal);
}

.cognitive-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.cognitive-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.cognitive-item h4 {
    color: var(--haichat-dark-900);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.cognitive-item p {
    color: var(--haichat-gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* 支援技術グリッド */
.assistive-tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.tech-category {
    padding: 30px;
    background: var(--haichat-gray-50);
    border-radius: 12px;
    border: 1px solid var(--haichat-gray-200);
}

.tech-category h4 {
    color: var(--haichat-dark-900);
    font-size: 1.3rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--haichat-blue);
}

.tech-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tech-category li {
    padding: 8px 0;
    color: var(--haichat-gray-600);
    border-bottom: 1px solid var(--haichat-gray-200);
}

.tech-category li:last-child {
    border-bottom: none;
}

.tech-category li:before {
    content: "✓";
    color: var(--haichat-blue);
    font-weight: bold;
    margin-right: 10px;
}

/* 改善プロセス */
.improvement-process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.process-step {
    text-align: center;
    padding: 30px 20px;
    background: var(--haichat-gray-50);
    border-radius: 12px;
    border: 1px solid var(--haichat-gray-200);
    transition: var(--transition-normal);
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-weight: bold;
    font-size: 1.2rem;
}

.process-step h4 {
    color: var(--haichat-dark-900);
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.process-step p {
    color: var(--haichat-gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* フィードバック方法 */
.feedback-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.feedback-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--haichat-gray-50);
    border-radius: 10px;
    border: 1px solid var(--haichat-gray-200);
    transition: var(--transition-normal);
}

.feedback-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.feedback-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.feedback-item h4 {
    color: var(--haichat-dark-900);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.feedback-item p {
    color: var(--haichat-gray-600);
    font-size: 0.9rem;
    margin: 0;
}

.feedback-item a {
    color: var(--haichat-blue);
    text-decoration: none;
}

.feedback-item a:hover {
    text-decoration: underline;
}

.response-time {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border-radius: 10px;
    margin: 20px 0;
}

.time-icon {
    font-size: 1.2rem;
}

.response-time p {
    margin: 0;
    font-weight: 500;
}

/* 将来計画 */
.future-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.plan-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: var(--haichat-gray-50);
    border-radius: 10px;
    border: 1px solid var(--haichat-gray-200);
    transition: var(--transition-normal);
}

.plan-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.plan-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.plan-item h4 {
    color: var(--haichat-dark-900);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.plan-item p {
    color: var(--haichat-gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* アクセシビリティフッター */
.accessibility-footer {
    text-align: center;
    padding: 60px 40px;
    background: var(--haichat-gray-50);
    border-radius: 12px;
    margin-top: 60px;
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.accessibility-footer p {
    font-size: 1.1rem;
    color: var(--haichat-gray-600);
    margin-bottom: 30px;
    line-height: 1.7;
}

.footer-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

/* キーボードナビゲーション */
.keyboard-navigation *:focus {
    outline: 3px solid var(--haichat-blue);
    outline-offset: 2px;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .accessibility-hero {
        padding: 80px 0 60px;
    }
    
    .accessibility-content {
        padding: 60px 0;
    }
    
    .accessibility-section {
        padding: 30px 20px;
        margin-bottom: 40px;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .principles-grid,
    .standards-grid,
    .feature-grid,
    .hearing-features,
    .motor-features,
    .cognitive-features,
    .assistive-tech-grid,
    .improvement-process,
    .feedback-methods,
    .future-plans {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-actions .btn {
        width: 100%;
        max-width: 300px;
    }
}

.privacy-content {
    padding: 80px 0;
    background: var(--haichat-dark-800);
}

.privacy-header {
    text-align: center;
    margin-bottom: 60px;
}

.privacy-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.privacy-intro {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--haichat-light-gray);
    max-width: 800px;
    margin: 0 auto;
}

.privacy-sections {
    max-width: 1000px;
    margin: 0 auto;
}

.privacy-section {
    background: var(--haichat-dark-700);
    border-radius: var(--border-radius-lg);
    margin-bottom: 30px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.privacy-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 30px;
    background: var(--haichat-dark-600);
    border-bottom: 1px solid var(--haichat-dark-500);
}

.section-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    flex-shrink: 0;
}

.section-header h3 {
    color: var(--haichat-white);
    font-size: 1.4rem;
    margin: 0;
}

.section-content {
    padding: 30px;
}

.section-content p {
    color: var(--haichat-light-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.privacy-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.privacy-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--haichat-dark-500);
    color: var(--haichat-light-gray);
    line-height: 1.6;
}

.privacy-list li:last-child {
    border-bottom: none;
}

.privacy-list strong {
    color: var(--haichat-blue);
    font-weight: 600;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.info-card {
    background: var(--haichat-dark-600);
    padding: 25px;
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.info-icon i {
    color: var(--haichat-white);
    font-size: 1.5rem;
}

.info-card h4 {
    color: var(--haichat-white);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.info-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-card li {
    color: var(--haichat-light-gray);
    padding: 5px 0;
    font-size: 0.9rem;
}

.purpose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.purpose-item {
    background: var(--haichat-dark-600);
    padding: 20px;
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.purpose-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.purpose-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.purpose-icon i {
    color: var(--haichat-white);
    font-size: 1.2rem;
}

.purpose-item h4 {
    color: var(--haichat-white);
    font-size: 1rem;
    margin-bottom: 10px;
}

.purpose-item p {
    color: var(--haichat-light-gray);
    font-size: 0.9rem;
    margin: 0;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.security-item {
    background: var(--haichat-dark-600);
    padding: 25px;
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.security-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.security-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.security-icon i {
    color: var(--haichat-white);
    font-size: 1.5rem;
}

.security-item h4 {
    color: var(--haichat-white);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.security-item p {
    color: var(--haichat-light-gray);
    font-size: 0.9rem;
    margin: 0;
}

.rights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.right-item {
    background: var(--haichat-dark-600);
    padding: 20px;
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.right-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.right-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.right-icon i {
    color: var(--haichat-white);
    font-size: 1.2rem;
}

.right-item h4 {
    color: var(--haichat-white);
    font-size: 1rem;
    margin-bottom: 10px;
}

.right-item p {
    color: var(--haichat-light-gray);
    font-size: 0.9rem;
    margin: 0;
}

.contact-info {
    background: var(--haichat-dark-600);
    padding: 25px;
    border-radius: var(--border-radius-md);
    margin: 30px 0;
}

.contact-info h4 {
    color: var(--haichat-blue);
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.contact-details p {
    color: var(--haichat-light-gray);
    margin: 10px 0;
}

.contact-details a {
    color: var(--haichat-blue);
    text-decoration: none;
}

.contact-details a:hover {
    text-decoration: underline;
}

.change-notice {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: var(--border-radius-md);
    padding: 20px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    gap: 15px;
}

.notice-icon {
    color: #ffc107;
    font-size: 1.5rem;
}

.change-notice p {
    margin: 0;
    color: var(--haichat-light-gray);
}

.contact-card {
    background: var(--haichat-dark-600);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin: 30px 0;
}

.contact-header {
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    padding: 25px;
    text-align: center;
}

.contact-header h4 {
    color: var(--haichat-white);
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.contact-header p {
    color: var(--haichat-light-gray);
    margin: 0;
}

.contact-body {
    padding: 25px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item i {
    color: var(--haichat-blue);
    font-size: 1.2rem;
    margin-top: 5px;
    flex-shrink: 0;
}

.contact-item strong {
    color: var(--haichat-white);
    display: block;
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--haichat-light-gray);
    margin: 0;
}

.contact-item a {
    color: var(--haichat-blue);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.privacy-footer {
    background: var(--haichat-dark-700);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    margin-top: 60px;
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.footer-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 25px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .privacy-hero {
        padding: 100px 0 60px;
    }
    
    .privacy-content {
        padding: 60px 0;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .section-content {
        padding: 20px;
    }
    
    .info-grid,
    .purpose-grid,
    .security-grid,
    .rights-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .footer-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
}

/* 利用規約ページ専用スタイル */
.terms-hero {
    background: linear-gradient(135deg, var(--haichat-dark-900) 0%, var(--haichat-dark-800) 100%);
    padding: 120px 0 80px;
    text-align: center;
}

.terms-content {
    padding: 80px 0;
    background: var(--haichat-dark-800);
}

.terms-header {
    text-align: center;
    margin-bottom: 60px;
}

.terms-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.terms-intro {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--haichat-light-gray);
    max-width: 800px;
    margin: 0 auto;
}

.terms-sections {
    max-width: 1000px;
    margin: 0 auto;
}

.terms-section {
    background: var(--haichat-dark-700);
    border-radius: var(--border-radius-lg);
    margin-bottom: 30px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.terms-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.terms-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.terms-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--haichat-dark-500);
    color: var(--haichat-light-gray);
    line-height: 1.6;
}

.terms-list li:last-child {
    border-bottom: none;
}

.terms-list strong {
    color: var(--haichat-blue);
    font-weight: 600;
}

.highlight-box {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--haichat-blue);
    border-radius: var(--border-radius-md);
    padding: 20px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    gap: 15px;
}

.highlight-icon {
    color: var(--haichat-blue);
    font-size: 1.5rem;
}

.highlight-box p {
    margin: 0;
    color: var(--haichat-light-gray);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.service-item {
    background: var(--haichat-dark-600);
    padding: 20px;
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.service-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.service-icon i {
    color: var(--haichat-white);
    font-size: 1.2rem;
}

.service-item h4 {
    color: var(--haichat-white);
    font-size: 1rem;
    margin-bottom: 10px;
}

.service-item p {
    color: var(--haichat-light-gray);
    font-size: 0.9rem;
    margin: 0;
}

.pricing-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.pricing-item {
    background: var(--haichat-dark-600);
    padding: 25px;
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.pricing-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.pricing-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.pricing-icon i {
    color: var(--haichat-white);
    font-size: 1.5rem;
}

.pricing-item h4 {
    color: var(--haichat-white);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.pricing-item p {
    color: var(--haichat-light-gray);
    font-size: 0.9rem;
    margin: 0;
}

.payment-notice {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: var(--border-radius-md);
    padding: 20px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    gap: 15px;
}

.notice-icon {
    color: #ffc107;
    font-size: 1.5rem;
}

.payment-notice p {
    margin: 0;
    color: var(--haichat-light-gray);
}

.prohibited-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.prohibited-category {
    background: var(--haichat-dark-600);
    padding: 25px;
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

.prohibited-category:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.prohibited-category h4 {
    color: var(--haichat-red);
    font-size: 1.1rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--haichat-red);
}

.prohibited-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.prohibited-category li {
    color: var(--haichat-light-gray);
    padding: 8px 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

.restriction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.restriction-item {
    background: var(--haichat-dark-600);
    padding: 20px;
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.restriction-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.restriction-icon {
    width: 50px;
    height: 50px;
    background: var(--haichat-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.restriction-icon i {
    color: var(--haichat-white);
    font-size: 1.2rem;
}

.restriction-item h4 {
    color: var(--haichat-white);
    font-size: 1rem;
    margin-bottom: 10px;
}

.restriction-item p {
    color: var(--haichat-light-gray);
    font-size: 0.9rem;
    margin: 0;
}

.withdrawal-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.withdrawal-item {
    background: var(--haichat-dark-600);
    padding: 25px;
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.withdrawal-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.withdrawal-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.withdrawal-icon i {
    color: var(--haichat-white);
    font-size: 1.5rem;
}

.withdrawal-item h4 {
    color: var(--haichat-white);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.withdrawal-item p {
    color: var(--haichat-light-gray);
    font-size: 0.9rem;
    margin: 0;
}

.disclaimer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.disclaimer-item {
    background: var(--haichat-dark-600);
    padding: 20px;
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.disclaimer-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.disclaimer-icon {
    width: 50px;
    height: 50px;
    background: var(--haichat-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.disclaimer-icon i {
    color: var(--haichat-white);
    font-size: 1.2rem;
}

.disclaimer-item h4 {
    color: var(--haichat-white);
    font-size: 1rem;
    margin-bottom: 10px;
}

.disclaimer-item p {
    color: var(--haichat-light-gray);
    font-size: 0.9rem;
    margin: 0;
}

.change-process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.process-step {
    background: var(--haichat-dark-600);
    padding: 25px;
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
}

.process-step:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    margin: 0 auto 15px;
}

.process-step h4 {
    color: var(--haichat-white);
    font-size: 1rem;
    margin-bottom: 10px;
}

.process-step p {
    color: var(--haichat-light-gray);
    font-size: 0.9rem;
    margin: 0;
}

.privacy-link {
    background: var(--haichat-dark-600);
    padding: 25px;
    border-radius: var(--border-radius-md);
    margin: 30px 0;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition-normal);
}

.privacy-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.privacy-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.privacy-icon i {
    color: var(--haichat-white);
    font-size: 1.5rem;
}

.privacy-text h4 {
    color: var(--haichat-white);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.privacy-text p {
    color: var(--haichat-light-gray);
    margin: 0;
}

.privacy-text a {
    color: var(--haichat-blue);
    text-decoration: none;
}

.privacy-text a:hover {
    text-decoration: underline;
}

.legal-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.legal-item {
    background: var(--haichat-dark-600);
    padding: 20px;
    border-radius: var(--border-radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.legal-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.legal-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.legal-icon i {
    color: var(--haichat-white);
    font-size: 1.2rem;
}

.legal-item h4 {
    color: var(--haichat-white);
    font-size: 1rem;
    margin-bottom: 10px;
}

.legal-item p {
    color: var(--haichat-light-gray);
    font-size: 0.9rem;
    margin: 0;
}

.terms-footer {
    background: var(--haichat-dark-700);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    margin-top: 60px;
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.footer-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 25px;
    flex-wrap: wrap;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .terms-hero {
        padding: 100px 0 60px;
    }
    
    .terms-content {
        padding: 60px 0;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .section-content {
        padding: 20px;
    }
    
    .service-grid,
    .pricing-info,
    .prohibited-grid,
    .restriction-grid,
    .withdrawal-info,
    .disclaimer-grid,
    .change-process,
    .legal-info {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .footer-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .privacy-link {
        flex-direction: column;
        text-align: center;
    }
}

/* 特定の要素の色を調整 */
h1, h2, h3, h4, h5, h6 {
    color: var(--haichat-white);
}

p, span, div, a, li, td, th {
    color: var(--haichat-white);
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 0, 128, 0.05) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ヘッダー */
.header {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-glow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.98);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.navbar {
    padding: var(--spacing-sm) 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.nav-brand {
    flex-shrink: 0;
    order: 1;
}

.nav-brand .logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--haichat-white);
    font-weight: bold;
    font-size: 1.2rem;
    white-space: nowrap;
    padding: var(--spacing-xs) 0;
}

.logo-img {
    height: 45px;
    width: auto;
    transition: var(--transition-fast);
}

.logo-img:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    align-items: center;
    min-width: 0;
    flex: 1;
    justify-content: center;
    order: 2;
    margin: 0 20px;
    max-width: 600px;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    align-items: center;
}

.nav-item {
    position: relative;
    margin: 0 2px;
    white-space: nowrap;
    flex: 0 0 auto;
}

.nav-link {
    text-decoration: none;
    color: var(--haichat-white);
    font-weight: 500;
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    position: relative;
    font-size: 0.9rem;
    letter-spacing: 0.2px;
    white-space: nowrap;
    display: block;
    min-width: 60px;
    text-align: center;
}

.nav-link:hover,
.nav-link.active {
    color: var(--haichat-blue);
    background-color: rgba(37, 99, 235, 0.1);
}

/* ドロップダウンメニュー */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--haichat-dark-gray);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius-md);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    z-index: 1001;
    border: 1px solid #333;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--haichat-white);
    text-decoration: none;
    border-bottom: 1px solid #333;
    transition: var(--transition-fast);
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.dropdown-link:hover {
    background-color: #333;
    color: var(--haichat-blue);
}

.dropdown-link:last-child {
    border-bottom: none;
}

/* 検索ボックス */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
    order: 3;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid #333;
    border-radius: var(--border-radius-md);
    width: 220px;
    background: var(--haichat-dark-gray);
    color: var(--haichat-white);
    transition: var(--transition-fast);
    font-size: 0.9rem;
    letter-spacing: 0.2px;
}

.search-input:focus {
    outline: none;
    border-color: var(--haichat-blue);
}

.search-btn {
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    margin-left: var(--spacing-xs);
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.search-btn:hover {
    background: var(--haichat-dark-blue);
}

/* モバイルメニュー */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger {
    width: 25px;
    height: 3px;
    background: var(--haichat-white);
    margin: 3px 0;
    transition: var(--transition-fast);
}

/* 検索結果 */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--haichat-dark-gray);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius-md);
    margin-top: var(--spacing-xs);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    border: 1px solid #333;
}

.search-results.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-results-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
}

/* 通知バナー */
.notification-banner {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #60a5fa 100%);
    color: var(--haichat-white);
    padding: var(--spacing-sm) 0;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    z-index: 999;
    transform: translateY(-100%);
    transition: var(--transition-normal);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    border-bottom: 2px solid rgba(96, 165, 250, 0.5);
}

.notification-banner.show {
    transform: translateY(0);
    animation: notificationSlideIn 0.5s ease-out;
}

.notification-banner:hover {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 50%, #3b82f6 100%);
    box-shadow: 0 6px 25px rgba(59, 130, 246, 0.4);
}

.notification-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.notification-close {
    background: none;
    border: none;
    color: var(--haichat-white);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition-fast);
    padding: 4px 8px;
    border-radius: 4px;
}

.notification-close:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}

@keyframes notificationSlideIn {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* メインコンテンツ */
main {
    margin-top: 70px;
}

/* ヒーローセクション */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #334155 50%, #475569 75%, #64748b 100%);
    color: var(--haichat-white);
    padding: var(--spacing-xxl) 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 600px;
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: heroFadeIn 1.5s ease-out;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 20%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(59, 130, 246, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
    animation: sapphireGlow 6s ease-in-out infinite;
}

/* Sapphire Blue アニメーション */
@keyframes sapphireGlow {
    0% {
        opacity: 0.6;
        transform: translateX(-10px) scale(0.95);
    }
    25% {
        opacity: 0.8;
        transform: translateX(5px) scale(1.02);
    }
    50% {
        opacity: 1;
        transform: translateX(15px) scale(1.05);
    }
    75% {
        opacity: 0.9;
        transform: translateX(25px) scale(1.03);
    }
    100% {
        opacity: 0.7;
        transform: translateX(35px) scale(1.0);
    }
}

@keyframes sapphireFloat {
    0% {
        transform: translateX(-20px) translateY(0px) rotate(0deg) scale(0.8);
        opacity: 0.6;
    }
    25% {
        transform: translateX(10px) translateY(-15px) rotate(45deg) scale(1.1);
        opacity: 0.9;
    }
    50% {
        transform: translateX(30px) translateY(-25px) rotate(90deg) scale(1.3);
        opacity: 1;
    }
    75% {
        transform: translateX(50px) translateY(-10px) rotate(135deg) scale(1.0);
        opacity: 0.8;
    }
    100% {
        transform: translateX(80px) translateY(5px) rotate(180deg) scale(0.9);
        opacity: 0.4;
    }
}

/* 風の軌跡エフェクト */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(45deg, transparent 0%, rgba(14, 165, 233, 0.1) 20%, transparent 40%),
        linear-gradient(-45deg, transparent 0%, rgba(59, 130, 246, 0.08) 30%, transparent 60%),
        linear-gradient(90deg, transparent 0%, rgba(99, 102, 241, 0.06) 25%, transparent 50%);
    z-index: 1;
    pointer-events: none;
    animation: windTrails 20s linear infinite;
}

@keyframes windTrails {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    border-radius: 50%;
    animation: sapphireFloat 12s ease-in-out infinite;
    box-shadow: 0 0 15px rgba(14, 165, 233, 0.6), 0 0 30px rgba(59, 130, 246, 0.4);
}

.particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.particle:nth-child(3) {
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

.particle:nth-child(4) {
    top: 30%;
    left: 70%;
    animation-delay: 1s;
}

.particle:nth-child(5) {
    top: 70%;
    left: 50%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 1;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-full);
    color: var(--haichat-blue);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
    animation: heroSlideIn 1.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--haichat-white);
    margin-bottom: var(--spacing-md);
    font-style: italic;
    animation: heroSlideIn 1.8s ease-out 0.4s both;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--haichat-white);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    animation: heroSlideIn 1.8s ease-out 0.6s both;
}

/* ヒーローアニメーション */
@keyframes heroFadeIn {
    0% {
        opacity: 0;
        transform: translateY(50px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroSlideIn {
    0% {
        opacity: 0;
        transform: translateX(-50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes heroScaleIn {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes heroGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 212, 255, 0.6);
    }
}

@keyframes heroFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes heroPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* 既存の::beforeは削除（上記で統合済み） */

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    animation: heroSlideIn 1.8s ease-out 0.3s both;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    line-height: 1.6;
    animation: heroSlideIn 1.8s ease-out 0.6s both;
}

.hero-highlight {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    text-align: center;
    backdrop-filter: blur(20px);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    animation: heroScaleIn 2s ease-out 0.9s both, heroGlow 3s ease-in-out 2s infinite;
}

.highlight-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    max-width: 100%;
}

.highlight-image {
    flex: 0 0 auto;
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: transparent;
    border: none;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.highlight-image:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.highlight-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
}

.highlight-text {
    flex: 1;
    text-align: center;
}

@media (max-width: 768px) {
    .highlight-content {
        flex-direction: column;
        text-align: center;
    }
    
    .highlight-image {
        width: 200px;
        height: 200px;
    }
    
    .highlight-text {
        text-align: center;
    }
}

.hero-highlight:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.6);
}

.highlight-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--haichat-white);
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-normal);
    animation: heroFloat 4s ease-in-out 1.5s infinite, heroPulse 2s ease-in-out 1.5s infinite;
}

.hero-highlight:hover .highlight-icon {
    transform: scale(1.1) rotate(5deg);
}

.hero-highlight h3 {
    color: var(--haichat-blue);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
    animation: heroSlideIn 1.8s ease-out 1.2s both;
}

.hero-highlight p {
    color: var(--haichat-white);
    font-size: 1.1rem;
    line-height: 1.7;
    margin: 0;
    animation: heroSlideIn 1.8s ease-out 1.5s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: heroSlideIn 1.8s ease-out 1.8s both;
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
    border: 1px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-normal);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-secondary);
    color: var(--haichat-white);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.6);
}

.btn-secondary {
    background: var(--gradient-dark);
    color: var(--haichat-white);
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: var(--shadow-glow-purple);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-purple), var(--shadow-lg);
    border-color: rgba(139, 92, 246, 0.6);
}

.btn-outline {
    background: transparent;
    color: var(--haichat-blue);
    border-color: rgba(0, 212, 255, 0.5);
}

.btn-outline:hover {
    background: rgba(0, 212, 255, 0.1);
    box-shadow: var(--shadow-glow);
    border-color: rgba(0, 212, 255, 0.8);
}


/* セクション共通スタイル */
section {
    padding: var(--spacing-xxl) 0;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xl);
    color: var(--haichat-white);
}

/* 機能セクション */
.features {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.features .container {
    position: relative;
    z-index: 2;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--haichat-dark-gray);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid #333;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-image {
    height: 200px;
    overflow: hidden;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.feature-card:hover .feature-image img {
    transform: scale(1.05);
}

.feature-info {
    padding: var(--spacing-lg);
}

.feature-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--haichat-white);
}

.feature-info p {
    margin-bottom: var(--spacing-md);
    color: var(--haichat-light-gray);
}

.feature-info ul {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.feature-info li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
}

.feature-info li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--haichat-blue);
    font-weight: bold;
}

/* 技術仕様セクション */
.tech-specs {
    background: var(--haichat-black);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.spec-item {
    text-align: center;
    padding: var(--spacing-lg);
}

.spec-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.spec-icon i {
    font-size: 2rem;
    color: var(--haichat-white);
}

.spec-item h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--haichat-white);
}

.spec-item p {
    color: var(--haichat-light-gray);
}

/* ニュースセクション */
.news {
    background: var(--haichat-dark-gray);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.news-item {
    background: var(--haichat-dark-gray);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid #333;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.news-item:hover .news-image img {
    transform: scale(1.05);
}

.news-content {
    padding: var(--spacing-lg);
}

.news-date {
    color: var(--haichat-blue);
    font-size: 0.9rem;
    font-weight: 600;
}

.news-content h3 {
    font-size: 1.3rem;
    margin: var(--spacing-sm) 0;
    color: var(--haichat-white);
}

.news-content p {
    color: var(--haichat-light-gray);
    margin-bottom: var(--spacing-md);
}

.read-more {
    color: var(--haichat-blue);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.read-more:hover {
    text-decoration: underline;
}

/* フッター */
.footer {
    background: var(--haichat-black);
    color: var(--haichat-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--haichat-white);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--haichat-blue);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--haichat-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--haichat-white);
    text-decoration: none;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    transform: translateY(-2px);
}

.newsletter h5 {
    margin-bottom: var(--spacing-xs);
    color: var(--haichat-white);
}

.newsletter p {
    color: #ccc;
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-xs);
}

.newsletter-input {
    flex: 1;
    padding: var(--spacing-xs);
    border: 1px solid #555;
    border-radius: var(--border-radius-sm);
    background: var(--haichat-gray);
    color: var(--haichat-white);
}

.newsletter-input::placeholder {
    color: #999;
}

.newsletter-btn {
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border: none;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.newsletter-btn:hover {
    background: var(--haichat-dark-blue);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: var(--spacing-lg);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: #999;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--haichat-blue);
}

.footer-copyright p {
    color: #999;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

/* ページトップボタン */
.scroll-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 1000;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--haichat-dark-blue);
    transform: translateY(-2px);
}

/* クッキーバナー */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--haichat-dark-gray);
    border-top: 1px solid #333;
    padding: var(--spacing-lg) 0;
    z-index: 1000;
    transform: translateY(100%);
    transition: var(--transition-normal);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.cookie-text h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--haichat-white);
}

.cookie-text p {
    color: var(--haichat-light-gray);
    font-size: 0.9rem;
}

.cookie-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.cookie-accept,
.cookie-settings {
    padding: var(--spacing-xs) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
}

.cookie-accept {
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
}

.cookie-accept:hover {
    background: var(--haichat-dark-blue);
}

.cookie-settings {
    background: transparent;
    color: var(--haichat-white);
    border: 1px solid #555;
}

.cookie-settings:hover {
    background: #333;
}

.cookie-policy {
    color: var(--haichat-blue);
    text-decoration: none;
    font-size: 0.9rem;
}

.cookie-policy:hover {
    text-decoration: underline;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--haichat-black);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-md);
        transition: var(--transition-normal);
        box-shadow: var(--shadow-lg);
        margin: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-item {
        margin: var(--spacing-xs) 0;
        width: 100%;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-sm);
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--haichat-dark-gray);
        margin-top: var(--spacing-xs);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .search-input {
        width: 220px;
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.95rem;
    }
    
    .search-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.95rem;
    }
    
    .nav-brand {
        order: 1;
    }
    
    .nav-brand .logo {
        font-size: 1rem;
    }
    
    .logo-img {
        height: 35px;
    }
    
    .nav-actions {
        order: 3;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
        min-height: 500px;
    }
    
    .hero-content {
        max-width: 100%;
        padding: 0 var(--spacing-md);
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .specs-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-actions {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .hero {
        min-height: 400px;
    }
    
    .hero-content {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 200px;
        text-align: center;
    }
    
    .search-input {
        width: 160px;
        padding: var(--spacing-xs);
        font-size: 0.85rem;
    }
    
    .search-btn {
        padding: var(--spacing-xs);
        font-size: 0.9rem;
    }
    
    .nav-brand {
        order: 1;
    }
    
    .nav-brand .logo {
        font-size: 0.9rem;
    }
    
    .logo-img {
        height: 30px;
    }
    
    .nav-actions {
        order: 3;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-btn {
        width: 100%;
    }
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* ローディング状態 */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* 会社概要ページ専用スタイル */
.company-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--haichat-white);
    text-align: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

.hero-gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(37, 99, 235, 0.9) 0%, 
        rgba(124, 58, 237, 0.9) 50%, 
        rgba(37, 99, 235, 0.9) 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    padding: 0 var(--spacing-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-badge i {
    font-size: 1.1rem;
}

.company-hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #ffffff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.company-hero h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.company-hero p {
    font-size: 1.3rem;
    opacity: 0.8;
    margin-bottom: var(--spacing-xxl);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxl);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--haichat-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--haichat-white);
    opacity: 0.7;
    transition: opacity var(--transition-normal);
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-indicator span {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.scroll-arrow {
    animation: bounce 2s infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.company-vision {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.company-vision::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    position: relative;
    z-index: 2;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--gradient-primary);
    color: var(--haichat-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
}

.section-badge i {
    font-size: 1.1rem;
}

.section-header h2 {
    font-size: 3rem;
    color: var(--haichat-blue);
    margin-bottom: var(--spacing-lg);
    position: relative;
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.4);
    font-weight: 700;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-secondary);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.vision-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.vision-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xl);
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    padding: var(--spacing-xxl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.vision-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
}

.vision-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.4);
}

.vision-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--haichat-white);
    font-size: 2rem;
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-normal);
}

.vision-text h3 {
    font-size: 1.8rem;
    color: var(--haichat-white);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.vision-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--haichat-white);
    margin: 0;
    transition: color var(--transition-fast);
}

.vision-card:hover .vision-text h3 {
    color: var(--haichat-white);
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

.vision-card:hover .vision-text p {
    color: var(--haichat-white);
}

.company-history {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-primary);
    position: relative;
}

.company-history::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-secondary);
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: var(--shadow-glow);
}

.timeline-item {
    display: flex;
    margin-bottom: var(--spacing-xxl);
    position: relative;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.timeline-dot {
    width: 20px;
    height: 20px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    border: 4px solid var(--haichat-white);
    box-shadow: var(--shadow-glow);
    position: relative;
}

.timeline-dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: var(--haichat-white);
    border-radius: 50%;
}

.timeline-date {
    flex: 0 0 200px;
    text-align: center;
    font-weight: 700;
    color: var(--haichat-white);
    font-size: 1.1rem;
    padding: var(--spacing-sm);
    background: rgba(26, 26, 26, 0.8);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    border: 2px solid rgba(0, 212, 255, 0.3);
    backdrop-filter: blur(10px);
}

.timeline-content {
    flex: 1;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-md);
    margin: 0 var(--spacing-lg);
    position: relative;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.4);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border: 15px solid transparent;
    transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -30px;
    border-left-color: var(--haichat-white);
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -30px;
    border-right-color: var(--haichat-white);
}

.timeline-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--haichat-white);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.timeline-content h3 {
    color: var(--haichat-white);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.timeline-content p {
    color: var(--haichat-white);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
    transition: color var(--transition-fast);
}

.company-info {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.company-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.info-table {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.info-table table {
    width: 100%;
    border-collapse: collapse;
    background: transparent;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.info-table th {
    background: var(--gradient-secondary);
    color: var(--haichat-white);
    padding: var(--spacing-lg);
    text-align: left;
    font-weight: 700;
    width: 200px;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.info-table td {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    color: var(--haichat-white);
    font-size: 1rem;
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-fast);
}

.info-table tr:hover td {
    background-color: rgba(0, 212, 255, 0.1);
    color: var(--haichat-white);
}

.info-table tr:last-child td {
    border-bottom: none;
}

.company-contact {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.company-contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="waves" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M0,20 Q10,0 20,20 T40,20" fill="none" stroke="%23e2e8f0" stroke-width="1" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23waves)"/></svg>');
    opacity: 0.5;
    z-index: 2;
}

.contact-info {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    background: var(--haichat-white);
    padding: var(--spacing-xxl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.contact-info:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.contact-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.contact-info h3 {
    color: var(--haichat-blue);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--haichat-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.contact-info a {
    color: var(--haichat-blue);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    transition: color var(--transition-normal);
    position: relative;
}

.contact-info a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.contact-info a:hover {
    color: var(--haichat-dark-blue);
}

.contact-info a:hover::after {
    width: 100%;
}

.company-services {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.company-services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="hexagons" width="30" height="30" patternUnits="userSpaceOnUse"><polygon points="15,5 25,10 25,20 15,25 5,20 5,10" fill="none" stroke="%23e2e8f0" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23hexagons)"/></svg>');
    opacity: 0.5;
    z-index: 2;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.service-card {
    background: var(--haichat-white);
    padding: var(--spacing-xxl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid rgba(37, 99, 235, 0.1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--haichat-white);
    font-size: 2.5rem;
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card h3 {
    color: var(--haichat-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.service-card p {
    color: var(--haichat-gray);
    line-height: 1.6;
    font-size: 1rem;
}

.company-cta {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-primary);
    color: var(--haichat-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.company-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="stars" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="5" cy="5" r="0.5" fill="%23ffffff" opacity="0.05"/><circle cx="15" cy="15" r="0.5" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23stars)"/></svg>');
    opacity: 0.8;
    z-index: 2;
}

.company-cta h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 2;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.company-cta p {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xxl);
    opacity: 0.9;
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.cta-buttons .btn {
    min-width: 220px;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.cta-buttons .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.cta-buttons .btn:hover::before {
    left: 100%;
}

.cta-buttons .btn-primary {
    background: var(--haichat-white);
    color: var(--haichat-blue);
    border: 2px solid var(--haichat-white);
}

.cta-buttons .btn-primary:hover {
    background: transparent;
    color: var(--haichat-white);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.cta-buttons .btn-secondary {
    background: transparent;
    color: var(--haichat-white);
    border: 2px solid var(--haichat-white);
}

.cta-buttons .btn-secondary:hover {
    background: var(--haichat-white);
    color: var(--haichat-blue);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* 会社概要ページのレスポンシブデザイン */
@media (max-width: 1199px) {
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 60px;
    }
    
    .timeline-date {
        position: absolute;
        left: 0;
        top: 0;
        width: 60px;
        text-align: left;
        font-size: 0.9rem;
    }
    
    .timeline-content {
        margin: 0;
    }
    
    .timeline-content::before {
        left: -20px !important;
        border-right-color: var(--haichat-off-white) !important;
        border-left-color: transparent !important;
    }
}

@media (max-width: 767px) {
    .company-hero h1 {
        font-size: 2rem;
    }
    
    .company-hero h2 {
        font-size: 1.5rem;
    }
    
    .vision-content h2,
    .company-history h2,
    .company-info h2,
    .company-contact h2,
    .company-services h2,
    .company-cta h2 {
        font-size: 2rem;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-date {
        width: 50px;
        font-size: 0.8rem;
    }
    
    .info-table th {
        width: 120px;
        font-size: 0.9rem;
    }
    
    .info-table td {
        font-size: 0.9rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* アクセシビリティ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* フォーカス状態 */
button:focus,
input:focus,
a:focus {
    outline: 2px solid var(--haichat-blue);
    outline-offset: 2px;
}

/* 採用情報セクション */
.company-recruitment {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.company-recruitment::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="recruitment" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23e2e8f0" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23recruitment)"/></svg>');
    opacity: 0.5;
    z-index: 2;
}

.recruitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.recruitment-card {
    background: var(--haichat-white);
    padding: var(--spacing-xxl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid rgba(37, 99, 235, 0.1);
    position: relative;
    overflow: hidden;
}

.recruitment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.recruitment-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.recruitment-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--haichat-white);
    font-size: 2.5rem;
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.recruitment-card:hover .recruitment-icon {
    transform: scale(1.1);
}

.recruitment-card h3 {
    color: var(--haichat-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.recruitment-card p {
    color: var(--haichat-gray);
    line-height: 1.6;
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.recruitment-card ul {
    list-style: none;
    text-align: left;
    margin: 0;
}

.recruitment-card li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
    color: var(--haichat-gray);
}

.recruitment-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--haichat-blue);
    font-weight: bold;
}

/* 料金プランセクション */
.pricing-section {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.pricing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 0, 128, 0.05) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.pricing-section .section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    position: relative;
    z-index: 2;
}

.pricing-category {
    margin-bottom: var(--spacing-xxl);
}

.pricing-category h3 {
    color: var(--haichat-blue);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-weight: 700;
    position: relative;
}

.pricing-category h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.pricing-card {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xxl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid rgba(0, 212, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-secondary);
}

.pricing-card.featured {
    transform: scale(1.05);
    border: 2px solid rgba(0, 212, 255, 0.5);
    box-shadow: var(--shadow-glow), 0 20px 40px rgba(0, 212, 255, 0.2);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow), 0 25px 50px rgba(0, 0, 0, 0.5);
    border-color: rgba(0, 212, 255, 0.6);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
    box-shadow: var(--shadow-glow), 0 25px 50px rgba(0, 212, 255, 0.3);
}

.pricing-badge {
    position: absolute;
    top: -1px;
    right: -1px;
    background: var(--gradient-secondary);
    color: var(--haichat-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 0 var(--border-radius-lg) 0 var(--border-radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 3;
    box-shadow: var(--shadow-glow);
}

.pricing-header h3 {
    color: var(--haichat-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.currency {
    font-size: 1.5rem;
    color: var(--haichat-white);
    font-weight: 600;
}

.amount {
    font-size: 3rem;
    color: var(--haichat-blue);
    font-weight: 700;
    margin: 0 var(--spacing-xs);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.period {
    font-size: 1rem;
    color: var(--haichat-white);
    font-weight: 500;
}

.pricing-header p {
    color: var(--haichat-white);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
}

.pricing-features {
    margin-bottom: var(--spacing-xl);
}

.pricing-features ul {
    list-style: none;
    text-align: left;
    margin: 0;
    padding: 0;
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    color: var(--haichat-white);
    transition: color var(--transition-fast);
}

.pricing-features li:hover {
    color: var(--haichat-white);
}

.pricing-features li i {
    margin-right: var(--spacing-sm);
    width: 20px;
    text-align: center;
    transition: all var(--transition-fast);
}

.pricing-features li i.fa-check {
    color: var(--haichat-green);
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.pricing-features li i.fa-times {
    color: var(--haichat-red);
    text-shadow: 0 0 10px rgba(255, 51, 102, 0.5);
}

.pricing-footer {
    margin-top: auto;
}

/* 比較表 */
.pricing-comparison {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.pricing-comparison::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.pricing-comparison .container {
    position: relative;
    z-index: 2;
}

.comparison-table {
    overflow-x: auto;
    margin-top: var(--spacing-xl);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.comparison-table th {
    background: var(--gradient-secondary);
    color: var(--haichat-white);
    font-weight: 600;
    font-size: 1rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.comparison-table td {
    color: var(--haichat-white);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.comparison-table tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

.comparison-table tr:hover td {
    color: var(--haichat-white);
}

.comparison-table i.fa-check {
    color: var(--haichat-green);
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.comparison-table i.fa-times {
    color: var(--haichat-red);
    text-shadow: 0 0 10px rgba(255, 51, 102, 0.5);
}

/* FAQ */
.pricing-faq {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.pricing-faq::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.pricing-faq .container {
    position: relative;
    z-index: 2;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.faq-item {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.faq-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.4);
}

.faq-item h3 {
    color: var(--haichat-blue);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.faq-item p {
    color: var(--haichat-white);
    line-height: 1.6;
    transition: color var(--transition-fast);
}

.faq-item:hover p {
    color: var(--haichat-white);
}

/* CTA */
.pricing-cta {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-primary);
    color: var(--haichat-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 20%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 0, 128, 0.1) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.pricing-cta .container {
    position: relative;
    z-index: 2;
}

.pricing-cta h2 {
    color: var(--haichat-white);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.pricing-cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
}

.pricing-cta .cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.pricing-cta .btn {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

.pricing-cta .btn-primary {
    background: var(--gradient-secondary);
    color: var(--haichat-white);
    border: 2px solid rgba(0, 212, 255, 0.5);
    box-shadow: var(--shadow-glow);
}

.pricing-cta .btn-primary:hover {
    background: var(--gradient-accent);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    transform: translateY(-2px);
}

.pricing-cta .btn-secondary {
    background: transparent;
    color: var(--haichat-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.pricing-cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-glow);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .amount {
        font-size: 2.5rem;
    }
    
    .pricing-cta h2 {
        font-size: 2rem;
    }
    
    .pricing-cta .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-cta .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* 料金プラン専用スタイル */
.pricing-hero {
    position: relative;
    overflow: hidden;
}

.pricing-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 0, 128, 0.05) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-full);
    color: var(--haichat-blue);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--haichat-white);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--haichat-white);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    border-radius: 50%;
    animation: sapphireFloat 12s ease-in-out infinite;
    box-shadow: 0 0 15px rgba(14, 165, 233, 0.6), 0 0 30px rgba(59, 130, 246, 0.4);
}

.particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.particle:nth-child(3) {
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

.particle:nth-child(4) {
    top: 30%;
    left: 70%;
    animation-delay: 1s;
}

.particle:nth-child(5) {
    top: 70%;
    left: 50%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 1;
    }
}

/* 料金切り替えタブ */
.pricing-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    background: rgba(26, 26, 26, 0.5);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: var(--haichat-white);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: 600;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--gradient-secondary);
    color: var(--haichat-white);
    border-color: rgba(0, 212, 255, 0.6);
    box-shadow: var(--shadow-glow);
}

/* 料金カードアイコン */
.pricing-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.5rem;
    color: var(--haichat-white);
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-normal);
}

.pricing-card:hover .pricing-icon {
    transform: scale(1.1) rotate(5deg);
}

/* アニメーション効果 */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* 会社概要ページ専用スタイル */
.company-hero {
    position: relative;
    overflow: hidden;
}

.company-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 0, 128, 0.05) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    min-width: 150px;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.4);
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.2rem;
    color: var(--haichat-white);
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-normal);
}

.stat-item:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--haichat-blue);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--haichat-white);
    font-weight: 600;
}

/* 会社理念セクション */
.company-vision {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.company-vision::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.vision-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.vision-card {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.vision-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-secondary);
}

.vision-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.4);
}

.vision-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
    color: var(--haichat-white);
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-normal);
}

.vision-card:hover .vision-icon {
    transform: scale(1.1) rotate(5deg);
}

.vision-text h3 {
    color: var(--haichat-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.vision-text p {
    color: var(--haichat-white);
    line-height: 1.7;
    transition: color var(--transition-fast);
}

.vision-card:hover .vision-text p {
    color: var(--haichat-white);
}

/* 沿革セクション */
.company-history {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.company-history::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.timeline {
    position: relative;
    margin-top: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-secondary);
    z-index: 2;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding-left: 80px;
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 60px;
    height: 60px;
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(20px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-glow);
    z-index: 2;
}

.timeline-dot {
    width: 20px;
    height: 20px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.timeline-date {
    color: var(--haichat-blue);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.timeline-content {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.timeline-item:hover .timeline-content {
    transform: translateX(10px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.4);
}

.timeline-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    color: var(--haichat-white);
    box-shadow: var(--shadow-glow);
}

.timeline-content h3 {
    color: var(--haichat-blue);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.timeline-content p {
    color: var(--haichat-white);
    line-height: 1.6;
    transition: color var(--transition-fast);
}

.timeline-item:hover .timeline-content p {
    color: var(--haichat-white);
}

/* 会社概要セクション */
.company-info {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.company-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.info-table {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.info-table table {
    width: 100%;
    border-collapse: collapse;
}

.info-table th,
.info-table td {
    padding: var(--spacing-lg);
    text-align: left;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.info-table th {
    background: var(--gradient-secondary);
    color: var(--haichat-white);
    font-weight: 600;
    font-size: 1rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
    width: 200px;
}

.info-table td {
    color: var(--haichat-white);
    font-size: 1rem;
    transition: color var(--transition-fast);
}

.info-table tr:hover td {
    color: var(--haichat-white);
}

/* お問い合わせセクション */
.company-contact {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.company-contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 20%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.contact-info {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.contact-info:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.4);
}

.contact-info h3 {
    color: var(--haichat-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.contact-info p {
    color: var(--haichat-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    transition: color var(--transition-fast);
}

.contact-info:hover p {
    color: var(--haichat-white);
}

.contact-info a {
    color: var(--haichat-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.contact-info a:hover {
    color: var(--haichat-cyan);
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

/* 製品・サービスセクション */
.company-services {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.company-services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.service-card {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-secondary);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.4);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--haichat-white);
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    color: var(--haichat-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.service-card p {
    color: var(--haichat-white);
    line-height: 1.7;
    transition: color var(--transition-fast);
}

.service-card:hover p {
    color: var(--haichat-white);
}

/* 採用情報セクション */
.company-recruitment {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.company-recruitment::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.recruitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.recruitment-card {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.recruitment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-secondary);
}

.recruitment-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.4);
}

.recruitment-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
    color: var(--haichat-white);
    box-shadow: var(--shadow-glow);
    transition: transform var(--transition-normal);
}

.recruitment-card:hover .recruitment-icon {
    transform: scale(1.1) rotate(5deg);
}

.recruitment-card h3 {
    color: var(--haichat-blue);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.recruitment-card p {
    color: var(--haichat-white);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    transition: color var(--transition-fast);
}

.recruitment-card:hover p {
    color: var(--haichat-white);
}

.recruitment-card ul {
    list-style: none;
    padding: 0;
}

.recruitment-card li {
    color: var(--haichat-white);
    padding: var(--spacing-xs) 0;
    display: flex;
    align-items: center;
    transition: color var(--transition-fast);
}

.recruitment-card li::before {
    content: '✓';
    color: var(--haichat-green);
    font-weight: bold;
    margin-right: var(--spacing-sm);
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.recruitment-card:hover li {
    color: var(--haichat-white);
}

/* CTAセクション */
.company-cta {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.company-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 20%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 0, 128, 0.1) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

.company-cta h2 {
    color: var(--haichat-white);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.company-cta p {
    color: var(--haichat-white);
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    transition: color var(--transition-fast);
}

.company-cta:hover p {
    color: var(--haichat-white);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* ビジョングリッドレイアウト */
.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.vision-grid .vision-card {
    display: flex;
    flex-direction: column;
    background: var(--gradient-dark);
    border: 1px solid var(--haichat-dark-600);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.vision-grid .vision-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 2;
}

.vision-grid .vision-card:hover::before {
    opacity: 0.1;
}

.vision-grid .vision-card:hover {
    transform: translateY(-5px);
    border-color: var(--haichat-blue);
    box-shadow: var(--shadow-glow);
}

.vision-grid .vision-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--gradient-glow);
    border-radius: 50%;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.vision-grid .vision-icon i {
    font-size: 1.5rem;
    color: var(--haichat-white);
}

.vision-grid .vision-text {
    position: relative;
    z-index: 2;
}

.vision-grid .vision-text h3 {
    color: var(--haichat-white);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.vision-grid .vision-text p {
    color: var(--haichat-dark-200);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .vision-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .vision-grid .vision-card {
        padding: var(--spacing-lg);
    }
    
    .vision-grid .vision-icon {
        width: 50px;
        height: 50px;
    }
    
    .vision-grid .vision-icon i {
        font-size: 1.2rem;
    }
    
    .vision-grid .vision-text h3 {
        font-size: 1.1rem;
    }
    
    .vision-grid .vision-text p {
        font-size: 0.9rem;
    }
}

/* 料金比較表の価格表示 */
.price-small {
    font-size: 0.8rem;
    color: var(--haichat-blue);
    font-weight: 600;
    display: block;
    margin-top: 0.25rem;
}

.comparison-table th .price-small {
    color: var(--haichat-cyan);
}

.comparison-table {
    overflow-x: auto;
    margin-top: var(--spacing-xl);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--gradient-dark);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.comparison-table th {
    background: var(--gradient-glow);
    color: var(--haichat-white);
    padding: var(--spacing-lg);
    text-align: center;
    font-weight: 600;
    border-bottom: 2px solid var(--haichat-blue);
}

.comparison-table td {
    padding: var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid var(--haichat-dark-600);
    color: var(--haichat-dark-200);
}

.comparison-table tr:hover {
    background: var(--haichat-dark-800);
}

.comparison-table tr:hover td {
    color: var(--haichat-white);
}

.comparison-table .fas.fa-check {
    color: var(--haichat-green);
}

.comparison-table .fas.fa-times {
    color: var(--haichat-red);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .comparison-table {
        font-size: 0.9rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-sm);
    }
    
    .price-small {
        font-size: 0.7rem;
    }
}

/* HAiL画像のサイズ調整 */
.feature-image img,
.service-image img,
.spec-image img {
    width: 100%;
    height: auto;
    max-width: 300px;
    max-height: 200px;
    object-fit: contain;
    border-radius: var(--border-radius-md);
    display: block;
    margin: 0 auto;
    margin-top: 20px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .feature-image img,
    .service-image img,
    .spec-image img {
        max-width: 250px;
        max-height: 150px;
        margin-top: 15px;
    }
}

@media (max-width: 480px) {
    .feature-image img,
    .service-image img,
    .spec-image img {
        max-width: 200px;
        max-height: 120px;
        margin-top: 10px;
    }
}

/* AI情報ページ専用スタイル */
.ai-info-hero {
    background: linear-gradient(135deg, var(--haichat-dark-900) 0%, var(--haichat-dark-800) 100%);
    position: relative;
    overflow: hidden;
}

.ai-basic-info,
.ai-technical-classification,
.ai-application-fields,
.ai-challenges-future,
.ai-related-resources {
    padding: var(--spacing-xxl) 0;
}

.info-grid,
.classification-grid,
.application-grid,
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.info-card,
.classification-card,
.application-card,
.resource-card {
    background: var(--gradient-dark);
    border: 1px solid var(--haichat-dark-600);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.info-card::before,
.classification-card::before,
.application-card::before,
.resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 2;
}

.info-card:hover::before,
.classification-card:hover::before,
.application-card:hover::before,
.resource-card:hover::before {
    opacity: 0.1;
}

.info-card:hover,
.classification-card:hover,
.application-card:hover,
.resource-card:hover {
    transform: translateY(-5px);
    border-color: var(--haichat-blue);
    box-shadow: var(--shadow-glow);
}

.info-icon,
.classification-icon,
.application-icon,
.resource-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--gradient-glow);
    border-radius: 50%;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.info-icon i,
.classification-icon i,
.application-icon i,
.resource-icon i {
    font-size: 1.5rem;
    color: var(--haichat-white);
}

.info-card h3,
.classification-card h3,
.application-card h3,
.resource-card h3 {
    color: var(--haichat-white);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    position: relative;
    z-index: 2;
}

.info-card p,
.classification-card p,
.application-card p,
.resource-card p {
    color: var(--haichat-dark-200);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.classification-header,
.application-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.classification-header .classification-icon,
.application-header .application-icon {
    margin-right: var(--spacing-md);
    margin-bottom: 0;
}

.challenges-future-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-top: var(--spacing-xl);
}

.challenge-item,
.future-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--haichat-dark-800);
    border-radius: var(--border-radius-md);
    border-left: 4px solid var(--haichat-blue);
}

.challenge-icon,
.future-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-glow);
    border-radius: 50%;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

.challenge-icon i,
.future-icon i {
    font-size: 1.2rem;
    color: var(--haichat-white);
}

.challenge-content h4,
.future-content h4 {
    color: var(--haichat-white);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.challenge-content p,
.future-content p {
    color: var(--haichat-dark-200);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .challenges-future-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .info-grid,
    .classification-grid,
    .application-grid,
    .resources-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .classification-header,
    .application-header {
        flex-direction: column;
        text-align: center;
    }
    
    .classification-header .classification-icon,
    .application-header .application-icon {
        margin-right: 0;
        margin-bottom: var(--spacing-md);
    }
}

/* AI歴史ページ専用スタイル */
.ai-history-hero {
    background: linear-gradient(135deg, var(--haichat-dark-900) 0%, var(--haichat-dark-800) 100%);
    position: relative;
    overflow: hidden;
}

.ai-timeline,
.ai-pioneers,
.ai-technical-evolution,
.ai-future-outlook,
.ai-related-resources {
    padding: var(--spacing-xxl) 0;
}

.timeline {
    position: relative;
    margin-top: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-glow);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xxl);
    padding-left: 80px;
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.timeline-dot {
    width: 20px;
    height: 20px;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    border-radius: 50%;
    border: 4px solid var(--haichat-dark-900);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.timeline-date {
    position: absolute;
    left: -80px;
    top: 0;
    width: 60px;
    text-align: center;
    color: var(--haichat-blue);
    font-weight: 600;
    font-size: 0.9rem;
}

.timeline-content {
    background: var(--gradient-dark);
    border: 1px solid var(--haichat-dark-600);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    position: relative;
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    transform: translateY(-5px);
    border-color: var(--haichat-blue);
    box-shadow: var(--shadow-glow);
}

.timeline-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--gradient-glow);
    border-radius: 50%;
    margin-bottom: var(--spacing-md);
}

.timeline-icon i {
    font-size: 1.3rem;
    color: var(--haichat-white);
}

.timeline-content h3 {
    color: var(--haichat-white);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.timeline-content p {
    color: var(--haichat-dark-200);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.pioneers-grid,
.evolution-grid,
.future-grid,
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.pioneer-card,
.evolution-card,
.future-card,
.resource-card {
    background: var(--gradient-dark);
    border: 1px solid var(--haichat-dark-600);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.pioneer-card::before,
.evolution-card::before,
.future-card::before,
.resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 2;
}

.pioneer-card:hover::before,
.evolution-card:hover::before,
.future-card:hover::before,
.resource-card:hover::before {
    opacity: 0.1;
}

.pioneer-card:hover,
.evolution-card:hover,
.future-card:hover,
.resource-card:hover {
    transform: translateY(-5px);
    border-color: var(--haichat-blue);
    box-shadow: var(--shadow-glow);
}

.pioneer-image {
    width: 100%;
    height: 200px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.pioneer-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pioneer-content h3,
.evolution-content h3,
.future-card h3,
.resource-card h3 {
    color: var(--haichat-white);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    position: relative;
    z-index: 2;
}

.pioneer-period {
    color: var(--haichat-blue);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 2;
}

.pioneer-achievement {
    color: var(--haichat-cyan);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.pioneer-content p,
.evolution-content p,
.future-card p,
.resource-card p {
    color: var(--haichat-dark-200);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.evolution-header,
.future-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.evolution-header .evolution-icon,
.future-header .future-icon {
    margin-right: var(--spacing-md);
    margin-bottom: 0;
}

.evolution-content h4,
.future-content h4 {
    color: var(--haichat-white);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 2;
}

.evolution-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
    z-index: 2;
}

.evolution-content li {
    color: var(--haichat-dark-200);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-md);
    position: relative;
}

.evolution-content li::before {
    content: '•';
    color: var(--haichat-blue);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .timeline::before {
        left: 15px;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-marker {
        width: 30px;
        height: 30px;
    }
    
    .timeline-dot {
        width: 15px;
        height: 15px;
    }
    
    .timeline-date {
        left: -50px;
        width: 40px;
        font-size: 0.8rem;
    }
    
    .pioneers-grid,
    .evolution-grid,
    .future-grid,
    .resources-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .evolution-header,
    .future-header {
        flex-direction: column;
        text-align: center;
    }
    
    .evolution-header .evolution-icon,
    .future-header .future-icon {
        margin-right: 0;
        margin-bottom: var(--spacing-md);
    }
}

/* AI社会貢献ページ専用スタイル */
.ai-enrichment-hero {
    background: linear-gradient(135deg, var(--haichat-dark-900) 0%, var(--haichat-dark-800) 100%);
    position: relative;
    overflow: hidden;
}

.individual-enrichment,
.corporate-enrichment,
.societal-enrichment,
.ai-maximization,
.success-stories,
.ai-related-resources {
    padding: var(--spacing-xxl) 0;
}

.enrichment-grid,
.societal-impact-grid,
.maximization-strategies,
.stories-grid,
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.enrichment-card,
.impact-card,
.strategy-card,
.story-card,
.resource-card {
    background: var(--gradient-dark);
    border: 1px solid var(--haichat-dark-600);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.enrichment-card::before,
.impact-card::before,
.strategy-card::before,
.story-card::before,
.resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 2;
}

.enrichment-card:hover::before,
.impact-card:hover::before,
.strategy-card:hover::before,
.story-card:hover::before,
.resource-card:hover::before {
    opacity: 0.1;
}

.enrichment-card:hover,
.impact-card:hover,
.strategy-card:hover,
.story-card:hover,
.resource-card:hover {
    transform: translateY(-5px);
    border-color: var(--haichat-blue);
    box-shadow: var(--shadow-glow);
}

.enrichment-icon,
.impact-icon,
.strategy-icon,
.resource-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--gradient-glow);
    border-radius: 50%;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.enrichment-icon i,
.impact-icon i,
.strategy-icon i,
.resource-icon i {
    font-size: 1.5rem;
    color: var(--haichat-white);
}

.enrichment-card h3,
.impact-card h3,
.strategy-card h3,
.story-card h3,
.resource-card h3 {
    color: var(--haichat-white);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    position: relative;
    z-index: 2;
}

.enrichment-card p,
.impact-card p,
.strategy-card p,
.story-card p,
.resource-card p {
    color: var(--haichat-dark-200);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.enrichment-card ul,
.impact-card ul,
.strategy-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
    z-index: 2;
}

.enrichment-card li,
.impact-card li,
.strategy-card li {
    color: var(--haichat-dark-200);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-md);
    position: relative;
}

.enrichment-card li::before,
.impact-card li::before,
.strategy-card li::before {
    content: '•';
    color: var(--haichat-blue);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.corporate-benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-top: var(--spacing-xl);
}

.benefit-category h3 {
    color: var(--haichat-white);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.benefit-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    padding: var(--spacing-lg);
    background: var(--haichat-dark-800);
    border-radius: var(--border-radius-md);
    border-left: 4px solid var(--haichat-blue);
}

.benefit-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-glow);
    border-radius: 50%;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

.benefit-icon i {
    font-size: 1.2rem;
    color: var(--haichat-white);
}

.benefit-content h4 {
    color: var(--haichat-white);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.benefit-content p {
    color: var(--haichat-dark-200);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.strategy-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.strategy-header .strategy-icon {
    margin-right: var(--spacing-md);
    margin-bottom: 0;
}

.story-category {
    display: inline-block;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    font-size: 0.8rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.story-metrics {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    color: var(--haichat-blue);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

.metric-label {
    display: block;
    color: var(--haichat-dark-200);
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .corporate-benefits {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .enrichment-grid,
    .societal-impact-grid,
    .maximization-strategies,
    .stories-grid,
    .resources-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .strategy-header {
        flex-direction: column;
        text-align: center;
    }
    
    .strategy-header .strategy-icon {
        margin-right: 0;
        margin-bottom: var(--spacing-md);
    }
    
    .story-metrics {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* AI活用ページ専用スタイル */
.ai-utilization-hero {
    background: linear-gradient(135deg, var(--haichat-dark-900) 0%, var(--haichat-dark-800) 100%);
    position: relative;
    overflow: hidden;
}

.time-expansion,
.knowledge-expansion,
.action-expansion,
.creativity-enhancement,
.practical-examples,
.ai-related-resources {
    padding: var(--spacing-xxl) 0;
}

.expansion-grid,
.action-grid,
.creativity-grid,
.examples-grid,
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.expansion-card,
.action-card,
.creativity-card,
.example-card,
.resource-card {
    background: var(--gradient-dark);
    border: 1px solid var(--haichat-dark-600);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.expansion-card::before,
.action-card::before,
.creativity-card::before,
.example-card::before,
.resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 2;
}

.expansion-card:hover::before,
.action-card:hover::before,
.creativity-card:hover::before,
.example-card:hover::before,
.resource-card:hover::before {
    opacity: 0.1;
}

.expansion-card:hover,
.action-card:hover,
.creativity-card:hover,
.example-card:hover,
.resource-card:hover {
    transform: translateY(-5px);
    border-color: var(--haichat-blue);
    box-shadow: var(--shadow-glow);
}

.expansion-icon,
.action-icon,
.creativity-icon,
.resource-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--gradient-glow);
    border-radius: 50%;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.expansion-icon i,
.action-icon i,
.creativity-icon i,
.resource-icon i {
    font-size: 1.5rem;
    color: var(--haichat-white);
}

.expansion-card h3,
.action-card h3,
.creativity-card h3,
.example-card h3,
.resource-card h3 {
    color: var(--haichat-white);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    position: relative;
    z-index: 2;
}

.expansion-card p,
.action-card p,
.creativity-card p,
.example-card p,
.resource-card p {
    color: var(--haichat-dark-200);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.expansion-card ul,
.action-card ul,
.creativity-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
    z-index: 2;
}

.expansion-card li,
.action-card li,
.creativity-card li {
    color: var(--haichat-dark-200);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-md);
    position: relative;
}

.expansion-card li::before,
.action-card li::before,
.creativity-card li::before {
    content: '•';
    color: var(--haichat-blue);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.knowledge-benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-top: var(--spacing-xl);
}

.benefit-category h3 {
    color: var(--haichat-white);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.benefit-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    padding: var(--spacing-lg);
    background: var(--haichat-dark-800);
    border-radius: var(--border-radius-md);
    border-left: 4px solid var(--haichat-blue);
}

.benefit-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-glow);
    border-radius: 50%;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

.benefit-icon i {
    font-size: 1.2rem;
    color: var(--haichat-white);
}

.benefit-content h4 {
    color: var(--haichat-white);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.benefit-content p {
    color: var(--haichat-dark-200);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.creativity-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.creativity-header .creativity-icon {
    margin-right: var(--spacing-md);
    margin-bottom: 0;
}

.creativity-content {
    position: relative;
    z-index: 2;
}

.example-category {
    display: inline-block;
    background: linear-gradient(45deg, #0ea5e9, #3b82f6, #6366f1);
    color: var(--haichat-white);
    font-size: 0.8rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.example-metrics {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    color: var(--haichat-blue);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

.metric-label {
    display: block;
    color: var(--haichat-dark-200);
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .knowledge-benefits {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .expansion-grid,
    .action-grid,
    .creativity-grid,
    .examples-grid,
    .resources-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .creativity-header {
        flex-direction: column;
        text-align: center;
    }
    
    .creativity-header .creativity-icon {
        margin-right: 0;
        margin-bottom: var(--spacing-md);
    }
    
    .example-metrics {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* 高コントラストモード対応 */
@media (prefers-contrast: high) {
    :root {
        --haichat-gray: #000000;
        --haichat-light-gray: #333333;
    }
}