/* 基本スタイル */
:root {
    --primary-color: #37b9e7;
    --secondary-color: #ff7eb2;
    --accent-color: #ffb347;
    --dark-color: #293241;
    --light-color: #e0fbfc;
    --success-color: #78c2ad;
    --warning-color: #ffb347;
    --danger-color: #ff6b6b;
    --border-radius: 16px;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

body.single-fish-article {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    background-color: #f0f8ff;
    color: var(--dark-color);
    line-height: 1.6;
    overflow-x: hidden;
    padding-bottom: 30px;
    background-image: 
        radial-gradient(#37b9e720 2px, transparent 2px), 
        radial-gradient(#37b9e720 2px, transparent 2px);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
}

/* スクロールバー */
.single-fish-article ::-webkit-scrollbar {
    width: 10px;
}

.single-fish-article ::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.single-fish-article ::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.single-fish-article ::-webkit-scrollbar-thumb:hover {
    background: #008eb3;
}

/* ヘッダー */
.single-fish-article .article-header {
    background: linear-gradient(135deg, var(--primary-color), #4ca2cd);
    color: white;
    padding: 1.5rem 0;
    text-align: center;
    border-bottom-left-radius: 50% 20px;
    border-bottom-right-radius: 50% 20px;
    box-shadow: var(--shadow);
}

.single-fish-article .header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.single-fish-article .article-header h1 {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.single-fish-article .article-header .subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    margin-top: 0.5rem;
}

.single-fish-article .article-header i.fa-fish {
    color: var(--light-color);
    margin: 0 10px;
    animation: swim 5s infinite ease-in-out;
}

@keyframes swim {
    0% {
        transform: translateX(0) rotate(0deg);
    }
    25% {
        transform: translateX(5px) rotate(5deg);
    }
    50% {
        transform: translateX(0) rotate(0deg);
    }
    75% {
        transform: translateX(-5px) rotate(-5deg);
    }
    100% {
        transform: translateX(0) rotate(0deg);
    }
}

/* ナビゲーション */
.single-fish-article nav {
    background-color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 3px solid var(--primary-color);
    margin-bottom: 2rem;
}

.single-fish-article .nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.single-fish-article nav ul {
    display: flex;
    list-style: none;
    justify-content: center;
    flex-wrap: wrap;
}

.single-fish-article nav li {
    margin: 0 10px;
}

.single-fish-article nav a {
    color: var(--dark-color);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    font-size: 0.9rem;
}

.single-fish-article nav a i {
    margin-right: 5px;
    font-size: 1rem;
}

.single-fish-article nav a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* メインコンテンツ */
.single-fish-article main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0px;
}

.single-fish-article .card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 3.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.single-fish-article .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.single-fish-article .card-content {
    padding: 3rem;
}

.single-fish-article .card h2 {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    font-family: 'Zen Kaku Gothic New', sans-serif;
    font-size: 1.6rem;
    padding-bottom: 10px;
    border-bottom: 2px dotted var(--primary-color);
}

.single-fish-article .card h2 i {
    margin-right: 10px;
    color: var(--primary-color);
}

.single-fish-article .bubble {
    background-color: var(--secondary-color);
    color: white;
    padding: 15px 20px;
    border-radius: 20px;
    position: relative;
    margin: 2rem 0 1rem 2rem;
    display: inline-block;
    box-shadow: var(--shadow);
    max-width: 80%;
}

.single-fish-article .bubble::before {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 20px;
    border-width: 15px 15px 0;
    border-style: solid;
    border-color: var(--secondary-color) transparent;
}

.single-fish-article .bubble p {
    margin: 0;
    font-weight: 500;
    font-family: 'Zen Kaku Gothic New', sans-serif;
    color: #fff !important;
}

/* 美容効果セクション */
.single-fish-article .benefit-box {
    background-color: rgba(231, 249, 255, 0.7);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2.5rem;
    position: relative;
    border-left: 4px solid var(--primary-color);
}

.single-fish-article .benefit-box h3 {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.single-fish-article .benefit-box h3 i {
    margin-right: 10px;
}

.single-fish-article .fish-icon-container {
    display: flex;
    margin-top: 1rem;
}

.single-fish-article .fish-icon {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-right: 10px;
    animation: swim 8s infinite ease-in-out;
}

/* コレステロールセクション */
.single-fish-article .cholesterol-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.single-fish-article .cholesterol-box {
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.single-fish-article .cholesterol-box.good {
    background-color: rgba(120, 194, 173, 0.2);
    border-left: 4px solid var(--success-color);
}

.single-fish-article .cholesterol-box.neutral {
    background-color: rgba(255, 179, 71, 0.2);
    border-left: 4px solid var(--warning-color);
}

.single-fish-article .cholesterol-box h3 {
    color: var(--dark-color);
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.single-fish-article .cholesterol-box p {
    margin-bottom: 1.2rem;
    line-height: 1.7;
}

.single-fish-article .cholesterol-box p:last-child {
    margin-bottom: 0;
}

.single-fish-article .good h3 i {
    color: var(--success-color);
}

.single-fish-article .neutral h3 i {
    color: var(--warning-color);
}

/* 注意点セクション */
.single-fish-article .caution-box {
    background-color: rgba(255, 107, 107, 0.1);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2.5rem;
    border-left: 4px solid var(--danger-color);
}

.single-fish-article .caution-box h3 {
    color: var(--danger-color);
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.single-fish-article .caution-box h3 i {
    margin-right: 10px;
}

/* メリット・デメリットセクション */
.single-fish-article .switch-box, 
.single-fish-article .drawback-box, 
.single-fish-article .recommendation-box {
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.single-fish-article .switch-box {
    background-color: rgba(55, 185, 231, 0.1);
    border-left: 4px solid var(--primary-color);
}

.single-fish-article .drawback-box {
    background-color: rgba(255, 179, 71, 0.1);
    border-left: 4px solid var(--warning-color);
}

.single-fish-article .recommendation-box {
    background-color: rgba(120, 194, 173, 0.1);
    border-left: 4px solid var(--success-color);
}

.single-fish-article .switch-box h3, 
.single-fish-article .drawback-box h3, 
.single-fish-article .recommendation-box h3 {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.single-fish-article .switch-box h3 {
    color: var(--primary-color);
}

.single-fish-article .drawback-box h3 {
    color: var(--warning-color);
}

.single-fish-article .recommendation-box h3 {
    color: var(--success-color);
}

.single-fish-article .switch-box h3 i, 
.single-fish-article .drawback-box h3 i, 
.single-fish-article .recommendation-box h3 i {
    margin-right: 10px;
}

/* 魚の種類テーブル */
.single-fish-article .fish-table-container {
    overflow-x: auto;
    margin: 1.5rem 0;
}

.single-fish-article .fish-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.single-fish-article .fish-table th {
    background-color: var(--primary-color);
    color: white;
    padding: 15px;
    font-weight: 500;
}

.single-fish-article .fish-table th:first-child {
    border-top-left-radius: 10px;
}

.single-fish-article .fish-table th:last-child {
    border-top-right-radius: 10px;
}

.single-fish-article .fish-table td {
    padding: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.single-fish-article .fish-table tr:last-child td {
    border-bottom: none;
}

.single-fish-article .fish-table tr:nth-child(even) {
    background-color: rgba(231, 249, 255, 0.5);
}

.single-fish-article .fish-table i.fa-fish {
    color: var(--primary-color);
    margin-right: 5px;
}

.single-fish-article .fish-table i.fa-star {
    color: var(--accent-color);
}

.single-fish-article .fish-table i.fa-exclamation-triangle {
    color: var(--danger-color);
}

/* フッター */
.single-fish-article footer {
    background-color: var(--dark-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-top: 3rem;
}

.single-fish-article .footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.single-fish-article .social-icons {
    margin-top: 1rem;
}

.single-fish-article .social-icons a {
    color: white;
    font-size: 1.5rem;
    margin: 0 10px;
    transition: var(--transition);
}

.single-fish-article .social-icons a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* 関連記事 */
.single-fish-article .related-posts-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.single-fish-article .related-post {
    background-color: #f9f9f9;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.single-fish-article .related-post:hover {
    transform: translateY(-5px);
}

.single-fish-article .related-post a {
    text-decoration: none;
    color: var(--dark-color);
}

.single-fish-article .related-post img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.single-fish-article .related-post h3 {
    padding: 15px;
    margin: 0;
    font-size: 1rem;
    font-weight: 500;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .single-fish-article .article-header h1 {
        font-size: 2rem;
    }
    
    .single-fish-article nav ul {
        flex-direction: column;
        align-items: center;
        max-height: 300px;
        overflow-y: auto;
    }
    
    .single-fish-article nav li {
        margin: 5px 0;
    }
    
    .single-fish-article nav {
        padding: 0.5rem 0;
        position: relative;
        max-height: 40vh;
        overflow-y: auto;
    }
    
    .single-fish-article .nav-container {
        padding: 0 10px;
    }
    
    .single-fish-article .cholesterol-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .single-fish-article .card-content {
        padding: 2rem;
    }
    
    .single-fish-article .bubble {
        margin: 1.5rem 0 1rem 1rem;
        max-width: 90%;
    }
    
    .single-fish-article .cholesterol-box {
        padding: 1.5rem;
    }
    
    .single-fish-article .related-posts-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .single-fish-article .article-header h1 {
        font-size: 1.5rem;
    }
    
    .single-fish-article .article-header .subtitle {
        font-size: 1rem;
    }
    
    .single-fish-article nav ul {
        max-height: 200px;
    }
    
    .single-fish-article nav a {
        font-size: 0.8rem;
        padding: 4px 8px;
    }
    
    .single-fish-article .card h2 {
        font-size: 1.3rem;
    }
    
    .single-fish-article .benefit-box, 
    .single-fish-article .caution-box, 
    .single-fish-article .switch-box, 
    .single-fish-article .drawback-box, 
    .single-fish-article .recommendation-box {
        padding: 1.2rem;
        margin-bottom: 2rem;
    }
    
    .single-fish-article .card {
        margin-bottom: 2.5rem;
    }
    
    .single-fish-article .card-content {
        padding: 1.5rem;
    }
    
    .single-fish-article .cholesterol-box {
        padding: 1.2rem;
        margin-bottom: 1rem;
    }
    
    .single-fish-article .cholesterol-container {
        gap: 1.5rem;
        margin-top: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .single-fish-article nav {
        max-height: 30vh;
    }
}