/* 清涼飲料水記事専用スタイル */
.soft-drinks-article {
    font-family: 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;
    line-height: 1.8;
    color: #333;
    margin: 0;
    padding: 20px;
    min-height: 100vh;
}

/* CSS変数 */
.soft-drinks-article {
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(200, 200, 200, 0.3);
    --shadow-light: 0 8px 32px rgba(31, 38, 135, 0.15);
    --shadow-medium: 0 12px 40px rgba(31, 38, 135, 0.2);
    --primary-color: #2c3e50;
    --accent-color: #3498db;
    --warning-color: #e74c3c;
    --success-color: #27ae60;
    --info-color: #f39c12;
}

/* コンテナ */
.article-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ガラスカード基本スタイル */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-light);
    margin-bottom: 30px;
    padding: 30px;
    position: relative;
    overflow: hidden;
}

/* ヘッダー */
.article-header {
    text-align: center;
    background: #f8f9fa;
    margin-bottom: 40px;
}

.article-header h1 {
    font-size: 2.2rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 700;
}

.article-header .subtitle {
    font-size: 1.1rem;
    color: #666;
    margin: 0;
    font-weight: 400;
}

/* セクションカード */
.section-card {
    margin-bottom: 35px;
}

.section-card h2 {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-card h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin: 25px 0 15px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-card h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin: 20px 0 10px 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* コンテンツボックス */
.content-box {
    background: rgba(255, 255, 255, 1);
    border-radius: 15px;
    padding: 25px;
    margin: 20px 0;
    border: 1px solid #e9ecef;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

/* 特別なボックススタイル */
.research-quote {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(155, 89, 182, 0.1));
    border-left: 4px solid var(--accent-color);
    border-radius: 15px;
    padding: 25px;
    margin: 25px 0;
    position: relative;
}

.research-quote::before {
    content: '"';
    font-size: 4rem;
    color: var(--accent-color);
    position: absolute;
    top: -10px;
    left: 15px;
    opacity: 0.3;
}

.warning-box {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1), rgba(230, 126, 34, 0.1));
    padding: 25px;
    margin: 25px 0;
}

.benefit-box {
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.1), rgba(46, 204, 113, 0.1));

    padding: 25px;
    margin: 25px 0;
}

.concern-box {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1), rgba(192, 57, 43, 0.1));

    padding: 25px;
    margin: 25px 0;
}

/* テーブルスタイル */
.nutrition-table {
    overflow-x: auto;
    margin: 25px 0;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.nutrition-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 15px;
    overflow: hidden;
}

.nutrition-table th {
    background: #f8f9fa;
    color: #333;
    font-weight: 600;
    padding: 15px 12px;
    text-align: left;
    border-bottom: 2px solid #dee2e6;
}

.nutrition-table td {
    padding: 12px;
    border-bottom: 1px solid #dee2e6;
}

.nutrition-table tr:nth-child(even) {
    background: #f8f9fa;
}

.nutrition-table tr:nth-child(odd) {
    background: white;
}

/* リストスタイル */
.section-card ul {
    padding-left: 0;
    list-style: none;
}

.section-card ul li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 12px;
    line-height: 1.6;
}

.section-card ul li::before {
    content: "▶";
    color: var(--accent-color);
    position: absolute;
    left: 0;
    top: 0;
}

.section-card ol {
    padding-left: 20px;
}

.section-card ol li {
    margin-bottom: 10px;
    line-height: 1.6;
}

/* 推奨事項リスト */
.recommendation-list ul {
    list-style: none;
    padding: 0;
}

.recommendation-list ul li {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    border-left: 4px solid var(--accent-color);
    position: relative;
    padding-left: 25px;
}

.recommendation-list ul li i {
    margin-right: 0.5rem;
    color: var(--accent-color);
}

/* 参考文献 */
.references {
    background: var(--glass-bg);
    border-radius: 20px;
    padding: 30px;
    margin-top: 40px;
    border: 1px solid var(--glass-border);
}

.references h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.references ol {
    padding-left: 20px;
}

.references ol li {
    margin-bottom: 12px;
    line-height: 1.6;
}

.references ol li a {
    color: var(--accent-color);
    text-decoration: none;
    word-break: break-all;
}

.references ol li a:hover {
    text-decoration: underline;
}

/* アイコンスタイル */
.fas, .far {
    margin-right: 8px;
    color: var(--accent-color);
}

/* Tailwind Typography の prose スタイルを上書き */
.prose :where(ul > li):not(:where([class~="not-prose"],[class~="not-prose"] *))::before {
    background-color: transparent !important;
    background: none !important;
}

/* グリッドデザイン */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.grid-item {
    background: white;
    border-radius: 15px;
    padding: 20px;
    border: 1px solid #e9ecef;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.grid-item h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 2カラムグリッド */
.grid-2-columns {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin: 25px 0 35px 0;
}

/* グリッド間の不要なpタグのマージンを削除 */
.grid-2-columns + p:empty,
.grid-2-columns + p:has(br:only-child),
.benefit-box .grid-2-columns + .grid-2-columns {
    margin-top: 0;
    margin-bottom: 0;
}

.benefit-box p:empty {
    display: none;
}

@media (min-width: 768px) {
    .grid-2-columns {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}

/* 3カラムグリッド */
.grid-3-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

/* 4カラムグリッド */
.grid-4-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    margin: 25px 0;
}

/* グリッドアイテムのバリエーション */
.grid-item-large {
    background: white;
    border-radius: 15px;
    padding: 30px;
    border: 1px solid #e9ecef;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.grid-item-highlight {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.05), rgba(155, 89, 182, 0.05));
    border-radius: 15px;
    padding: 25px;
    border: 2px solid var(--accent-color);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.1);
}

.grid-item-warning {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.05), rgba(230, 126, 34, 0.05));
    border-radius: 15px;
    padding: 25px;
    border: 2px solid var(--warning-color);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.1);
}

.grid-item-success {
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.05), rgba(46, 204, 113, 0.05));
    border-radius: 15px;
    padding: 25px;
    border: 2px solid var(--success-color);
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.1);
}

/* 統計ハイライト */
.stat-highlight {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1), rgba(192, 57, 43, 0.1));
    border-radius: 8px;
    padding: 10px;
    margin-top: 10px;
    text-align: center;
    border: 1px solid var(--warning-color);
    font-size: 0.9rem;
}

/* 図解スタイル */
.diagram-box {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 25px;
    margin: 25px 0;
    text-align: center;
    border: 2px solid #e9ecef;
}

.flow-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.flow-step {
    background: white;
    border-radius: 10px;
    padding: 15px 20px;
    border: 2px solid var(--accent-color);
    font-weight: 600;
    color: var(--primary-color);
    min-width: 200px;
}

.flow-arrow {
    color: #e74c3c;
    font-size: 1.5rem;
    font-weight: bold;
}

.flow-horizontal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

/* 新しいメカニズム図解スタイル */
.mechanism-diagram {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 20px;
    padding: 30px;
    margin: 30px 0;
    border: 2px solid #dee2e6;
}

.mechanism-diagram h4 {
    text-align: center;
    margin-bottom: 25px;
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* 縦型フロー図 */
.flow-diagram-vertical {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.flow-step-main {
    background: linear-gradient(135deg, var(--accent-color), #2980b9);
    color: white;
    border-radius: 15px;
    padding: 20px 30px;
    font-weight: bold;
    font-size: 1.1rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.flow-arrow-down {
    color: var(--warning-color);
    font-size: 2rem;
    font-weight: bold;
}

.flow-arrow-down.final {
    font-size: 2.5rem;
    margin: 10px 0;
}

.flow-branches {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    width: 100%;
    max-width: 900px;
}

.flow-branch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.flow-branch .flow-step {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 10px;
    padding: 12px 16px;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    width: 100%;
    font-size: 0.9rem;
}

.flow-result {
    border-radius: 10px;
    padding: 12px 16px;
    font-weight: bold;
    text-align: center;
    width: 100%;
    font-size: 0.9rem;
}

.flow-result.warning {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    border: 2px solid #f39c12;
    color: #856404;
}

.flow-result.danger {
    background: linear-gradient(135deg, #f8d7da, #fab1a0);
    border: 2px solid var(--warning-color);
    color: #721c24;
}

.flow-result.final-result {
    font-size: 1.1rem;
    padding: 20px;
    margin-top: 10px;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

/* 循環図スタイル */
.cycle-diagram {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 40px;
}

.cycle-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, var(--warning-color), #c0392b);
    color: white;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 20px rgba(231, 76, 60, 0.4);
    z-index: 10;
}

.cycle-title {
    font-weight: bold;
    font-size: 1.1rem;
}

.cycle-subtitle {
    font-size: 0.8rem;
    margin-top: 5px;
}

.cycle-steps {
    position: relative;
    width: 100%;
    height: 450px;
}

.cycle-step {
    position: absolute;
    width: 140px;
    background: white;
    border-radius: 15px;
    padding: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 2px solid #dee2e6;
}

.step-number {
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    margin-bottom: 10px;
}

.step-content h5 {
    font-size: 0.9rem;
    margin: 0 0 5px 0;
    color: var(--primary-color);
    font-weight: 600;
}

.step-content p {
    font-size: 0.8rem;
    margin: 0;
    color: #666;
}

/* 循環ステップの配置 */
.step-1 { top: 0; left: 50%; transform: translateX(-50%); }
.step-2 { top: 10%; right: 5%; }
.step-3 { top: 40%; right: 0; }
.step-4 { bottom: 0; left: 50%; transform: translateX(-50%); }
.step-5 { top: 40%; left: 0; }
.step-6 { top: 10%; left: 5%; }

/* 症状リスト */
.symptoms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.symptom-item {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1), rgba(230, 126, 34, 0.1));
    border-radius: 10px;
    padding: 15px;
    border-left: 4px solid var(--warning-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.symptom-item i {
    color: var(--warning-color);
    font-size: 1.2rem;
}

/* 統計ボックス */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.stat-box {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(155, 89, 182, 0.1));
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    border: 2px solid var(--accent-color);
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-color);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-top: 5px;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .soft-drinks-article {
        padding: 0px;
    }
    
    .article-container {
        padding: 0 10px;
    }
    
    .glass-card {
        padding: 20px;
        margin-bottom: 20px;
    }
    
    .article-header h1 {
        font-size: 1.8rem;
    }
    
    .section-card h2 {
        font-size: 1.4rem;
    }
    
    .section-card h3 {
        font-size: 1.2rem;
    }
    
    .nutrition-table {
        font-size: 0.9rem;
    }
    
    .nutrition-table th,
    .nutrition-table td {
        padding: 8px 6px;
    }
    
    .content-box {
        padding: 20px;
    }
    
    .research-quote,
    .warning-box,
    .benefit-box,
    .concern-box {
        padding: 20px;
    }
    
    .grid-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .grid-2-columns {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .grid-3-columns {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .grid-4-columns {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .symptoms-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-horizontal {
        flex-direction: column;
        gap: 10px;
    }
    
    .flow-step {
        min-width: auto;
        text-align: center;
    }
    
    /* 新しい図解のモバイル対応 */
    .mechanism-diagram {
        padding: 20px;
    }
    
    .flow-branches {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .flow-step-main {
        padding: 15px 20px;
        font-size: 1rem;
    }
    
    .flow-arrow-down {
        font-size: 1.5rem;
    }
    
    .flow-arrow-down.final {
        font-size: 2rem;
    }
    
    /* 循環図のモバイル対応 */
    .cycle-diagram {
        padding: 20px;
        max-width: 100%;
    }
    
    .cycle-center {
        width: 100px;
        height: 100px;
    }
    
    .cycle-title {
        font-size: 1rem;
    }
    
    .cycle-subtitle {
        font-size: 0.7rem;
    }
    
    .cycle-steps {
        height: 380px;
    }
    
    .cycle-step {
        width: 120px;
        padding: 12px;
    }
    
    .step-number {
        width: 25px;
        height: 25px;
        font-size: 0.9rem;
    }
    
    .step-content h5 {
        font-size: 0.8rem;
    }
    
    .step-content p {
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .article-header h1 {
        font-size: 1.6rem;
    }
    
    .section-card h2 {
        font-size: 1.3rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .glass-card {
        padding: 15px;
    }
    
    .content-box {
        padding: 15px;
    }
    
    .grid-3-columns,
    .grid-4-columns {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .grid-2-columns {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .stat-box {
        padding: 15px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    /* 極小画面での図解調整 */
    .mechanism-diagram {
        padding: 15px;
    }
    
    .flow-step-main {
        padding: 12px 15px;
        font-size: 0.9rem;
    }
    
    .flow-branch {
        padding: 15px;
    }
    
    .flow-branch .flow-step {
        padding: 10px 12px;
        font-size: 0.8rem;
    }
    
    .flow-result {
        padding: 10px 12px;
        font-size: 0.8rem;
    }
    
    .flow-result.final-result {
        font-size: 1rem;
        padding: 15px;
    }
    
    /* 循環図の極小画面対応 */
    .cycle-diagram {
        padding: 15px;
    }
    
    .cycle-center {
        width: 80px;
        height: 80px;
    }
    
    .cycle-title {
        font-size: 0.9rem;
    }
    
    .cycle-subtitle {
        font-size: 0.6rem;
    }
    
    .cycle-steps {
        height: 320px;
    }
    
    .cycle-step {
        width: 100px;
        padding: 10px;
    }
    
    .step-number {
        width: 22px;
        height: 22px;
        font-size: 0.8rem;
    }
    
    .step-content h5 {
        font-size: 0.75rem;
    }
    
    .step-content p {
        font-size: 0.65rem;
    }
}