/* WEB媒体記事風デザイン: 白(#FFFFFF), 黒(#000000), ゴールド(#D4AF37) */
/* 効果的に赤・青・緑を使用 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', sans-serif;
    line-height: 1.7;
    color: #333333;
    background: #FFFFFF;
    overflow-x: hidden;
    font-weight: 400;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ヘッダー - 記事風 */
.article-header {
    background: #FFFFFF;
    border-bottom: 1px solid #E5E5E5;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.site-logo {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: #000000;
}

.main-nav {
    display: flex;
    gap: 30px;
}

.main-nav a {
    color: #666666;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: #D4AF37;
}

/* 記事メインコンテンツ */
.article-main {
    padding-top: 80px;
    background: #FFFFFF;
}

.article-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 60px;
}

/* 記事タイトルセクション */
.article-title-section {
    margin-bottom: 60px;
    text-align: center;
    border-bottom: 1px solid #E5E5E5;
    padding-bottom: 40px;
}

.article-category {
    display: inline-block;
    background: #D4AF37;
    color: #FFFFFF;
    padding: 6px 15px;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ステマ規制対応 - PR表示 */
.ad-disclosure {
    text-align: center;
    margin-bottom: 20px;
}

.ad-disclosure p {
    font-size: 0.85rem;
    color: #666666;
    background: #F0F0F0;
    padding: 8px 15px;
    border-radius: 20px;
    display: inline-block;
    margin: 0;
    border: 1px solid #CCCCCC;
}

.article-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.3;
    color: #000000;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.article-subtitle {
    font-size: 1.2rem;
    color: #666666;
    margin-bottom: 30px;
    line-height: 1.5;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: #999999;
}

.article-meta span {
    position: relative;
}

.article-meta span:not(:last-child)::after {
    content: '|';
    position: absolute;
    right: -15px;
    color: #CCCCCC;
}

/* 記事導入部 */
.article-intro {
    margin-bottom: 60px;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
}


.intro-image {
    margin-bottom: 30px;
    text-align: center;
}

.intro-img {
    width: 100%;
    max-width: 600px;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.lead-text-large {
    font-size: 1.3rem;
    line-height: 1.7;
    color: #333333;
    margin-bottom: 30px;
    text-align: justify;
    padding: 0 15px;
    font-weight: 400;
}

.text-content-large {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #333333;
    margin-bottom: 25px;
    text-align: justify;
    font-weight: 400;
}

.highlight-text {
    background: linear-gradient(transparent 60%, #D4AF37 60%);
    font-weight: 700;
    color: #000000;
}

.highlight-gold {
    background: linear-gradient(transparent 60%, #D4AF37 60%);
    font-weight: 700;
    color: #000000;
}

.highlight-important {
    background: linear-gradient(transparent 60%, #E74C3C 60%);
    font-weight: 700;
    color: #000000;
}

.highlight-blue {
    background: linear-gradient(transparent 60%, #3498DB 60%);
    font-weight: 700;
    color: #000000;
}

.highlight-green {
    background: linear-gradient(transparent 60%, #27AE60 60%);
    font-weight: 700;
    color: #000000;
}


.symptom-check {
    background: #F8F9FA;
    padding: 30px;
    border-radius: 10px;
    margin: 40px 0;
}

.symptom-check h3 {
    color: #333333;
    font-size: 1.4rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.symptom-list {
    list-style: none;
    margin-bottom: 20px;
}

.symptom-list li {
    position: relative;
    padding: 10px 0 10px 25px;
    color: #333333;
    font-size: 1.1rem;
    font-weight: 500;
}

.symptom-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #D4AF37;
    font-weight: bold;
    font-size: 1.2rem;
}

.check-result {
    font-size: 1.1rem;
    color: #E74C3C;
    font-weight: 700;
    margin: 0;
}

/* 記事セクション共通 */
.article-section {
    margin-bottom: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid #F0F0F0;
}

.section-heading {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 30px;
    line-height: 1.4;
    text-align: left;
}

.criteria-heading {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: #000000;
    margin: 30px 0 15px 0;
    line-height: 1.5;
}

.criteria-heading strong {
    border-bottom: 2px solid #D4AF37;
    padding-bottom: 2px;
    display: inline-block;
}

.recommendation-heading {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #000000;
    margin: 40px 0 20px 0;
    line-height: 1.4;
    text-align: center;
}


.article-section p,
.unified-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #333333;
    margin-bottom: 25px;
}

.article-section strong {
    color: #000000;
    font-weight: 700;
}

/* 比較チャート */
.comparison-chart {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    align-items: center;
    margin: 40px 0;
    padding: 30px;
    background: #F8F9FA;
    border-radius: 15px;
}

.chart-item {
    text-align: center;
    padding: 25px;
    background: #FFFFFF;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.chart-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    color: #FFFFFF;
    margin: 0 auto 15px;
}

.sodium-icon {
    background: linear-gradient(135deg, #E74C3C, #C0392B);
}

.potassium-icon {
    background: linear-gradient(135deg, #D4AF37, #B8941F);
}

.chart-item h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 10px;
}

.status {
    font-weight: 600;
    margin-bottom: 15px;
}

.excess-text {
    color: #E74C3C;
}

.deficient-text {
    color: #3498DB;
}

.source-list {
    list-style: none;
    font-size: 0.9rem;
    color: #666666;
}

.source-list li {
    padding: 3px 0;
}

.vs-indicator {
    font-size: 2rem;
    font-weight: 700;
    color: #D4AF37;
    text-shadow: 2px 2px 4px rgba(212, 175, 55, 0.3);
}


.important-text {
    background: linear-gradient(transparent 60%, #3498DB 60%);
    font-weight: 600;
    color: #000000;
}


/* 商品セクション */
.product-section {
    background: #F8F9FA;
    padding: 60px 80px;
    border-radius: 20px;
    margin: 60px 0;
}

/* 商品詳細画像セクション */
.product-images-section {
    margin: 60px 0;
}

.product-image-container {
    margin-bottom: 40px;
    text-align: center;
}

.product-detail-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.product-detail-image:hover {
    transform: translateY(-5px);
}

.product-overview {
    display: grid;
    grid-template-columns: 50% 50%;
    gap: 40px;
    align-items: center;
    margin-top: 30px;
}

.product-image {
    width: 100%;
    height: 350px;
    object-fit: contain;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    background: #FFFFFF;
    padding: 20px;
}

.product-name {
    font-family: 'Noto Serif JP', serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 20px;
}

.product-accent {
    color: #D4AF37;
}

.product-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #333333;
    margin-bottom: 30px;
}

.key-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background: #FFFFFF;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    border-left: 3px solid #D4AF37;
}

.feature-number {
    font-size: 1.3rem;
    font-weight: 700;
    color: #D4AF37;
    min-width: 70px;
    text-align: center;
}

.feature-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #000000;
    margin-bottom: 3px;
    line-height: 1.3;
}

.feature-content p {
    font-size: 0.9rem;
    color: #666666;
    margin: 0;
    line-height: 1.4;
}

/* 成分詳細セクション */
.ingredients-section {
    background: #FFFFFF;
}

.ingredient-detail {
    margin: 50px 0;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}


.ingredient-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 25px;
}


.ingredient-info {
    display: grid;
    grid-template-columns: 50% 50%;
    gap: 40px;
    align-items: center;
}

.ingredient-content.reverse .ingredient-info {
    grid-template-columns: 50% 50%;
}

.ingredient-text h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 15px;
}

.ingredient-text h5 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #3498DB;
    margin-bottom: 10px;
}

.content-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}



.note-text {
    font-size: 0.9rem;
    color: #999999;
    font-style: italic;
    margin-top: 10px;
}

.subtitle-text {
    font-size: 1.2rem;
    color: #D4AF37;
    font-style: italic;
    margin-bottom: 20px;
}



/* 全成分一覧 - シンプルなテキスト形式 */
.all-ingredients {
    margin-top: 50px;
    padding: 40px;
    background: #F8F9FA;
    border-radius: 20px;
}

.ingredients-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 15px;
    text-align: center;
}

.ingredients-subtitle {
    font-size: 1.1rem;
    color: #666666;
    text-align: center;
    margin-bottom: 40px;
}

.ingredients-content {
    max-width: 900px;
    margin: 0 auto;
}

.ingredient-category-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #D4AF37;
    margin: 30px 0 15px 0;
    border-bottom: 2px solid #D4AF37;
    padding-bottom: 8px;
}

.ingredient-category-title:first-child {
    margin-top: 0;
}

.ingredient-desc {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #333333;
    margin-bottom: 25px;
    text-align: justify;
}

/* レビューカルーセル */
.reviews-carousel {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    padding: 20px 0;
    touch-action: pan-y;
    user-select: none;
}

.review-track {
    overflow: hidden;
    position: relative;
    height: auto;
    min-height: 200px;
    touch-action: pan-y;
}

.review-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.5s ease-in-out;
    touch-action: pan-y;
}

.review-slide.active {
    opacity: 1;
    transform: translateX(0);
    position: relative;
}

.review-content {
    background: #F8F9FA;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.review-rating {
    font-size: 1.2rem;
    color: #FFD700;
    margin-bottom: 15px;
}

.review-text {
    font-size: 1rem;
    line-height: 1.6;
    color: #333333;
    margin-bottom: 15px;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.reviewer-info {
    font-size: 0.9rem;
    color: #666666;
    font-weight: 600;
}

.carousel-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 25px;
    touch-action: manipulation;
}

.nav-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: none;
    background: #CCCCCC;
    cursor: pointer;
    transition: background 0.3s ease;
    touch-action: manipulation;
    padding: 0;
    outline: none;
}

.nav-dot.active {
    background: #000000;
}

.nav-dot:hover,
.nav-dot:active {
    background: #666666;
}

/* モバイル対応 */
@media (max-width: 768px) {
    .reviews-carousel {
        padding: 15px 10px;
        max-width: 95%;
    }
    
    .review-track {
        min-height: 240px; /* さらに高さを増加 */
    }
    
    .review-content {
        padding: 25px 20px;
        min-height: 200px; /* さらに高さを増加 */
        border-radius: 12px;
    }
    
    .review-text {
        font-size: 0.9rem;
        line-height: 1.7; /* 行間をさらに広く */
        margin-bottom: 20px;
        text-align: left; /* モバイルでは左寄せ */
    }
    
    .reviewer-info {
        font-size: 0.8rem;
        text-align: center; /* 名前は中央寄せ */
    }
    
    .nav-dot {
        width: 18px;
        height: 18px;
    }
    
    .carousel-nav {
        gap: 25px;
        margin-top: 25px;
    }
    
    .disclosure-text,
    .legal-notice {
        font-size: 0.6rem; /* モバイルでさらに小さく */
    }
    
    .legal-notice-small {
        font-size: 0.5rem; /* モバイルで極小 */
        opacity: 0.5;
    }
    
    .disclaimer {
        font-size: 0.6rem; /* モバイルで商品紹介部分の注意書きを小さく */
        opacity: 0.6;
        color: #CCCCCC;
    }
    
    /* モバイルでのstrongタグ強調表示 */
    .article-section strong,
    .criteria-heading strong,
    strong {
        color: #000000 !important;
        font-weight: 700 !important;
    }
    
    /* モバイルでの見出し下線（ゴールド） */
    .criteria-heading strong {
        border-bottom: 2px solid #D4AF37 !important;
        padding-bottom: 2px !important;
        display: inline-block !important;
    }
}

.testimonial-header {
    margin-bottom: 20px;
}

.rating {
    color: #D4AF37;
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.customer-info {
    color: #27AE60;
    font-weight: 700;
    font-size: 0.9rem;
}

.testimonial-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 12px;
    line-height: 1.4;
}

.testimonial-content p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #333333;
    margin: 0;
}

/* 品質セクション */
.quality-section {
    background: #F8F9FA;
    padding: 50px 40px;
    border-radius: 20px;
    margin: 60px 0;
}

.quality-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

/* サプリ選択セクション */
.supplement-choice-section {
    margin-top: 40px;
    padding: 30px;
    background: #F8F9FA;
    border-radius: 15px;
    border-left: 4px solid #D4AF37;
}

/* ステマ規制対応 - 広告表示 */
.disclosure-notice {
    margin-top: 30px;
    padding: 15px 20px;
    background: #FFF9E6;
    border: 1px solid #D4AF37;
    border-radius: 8px;
}

.disclosure-text {
    font-size: 0.7rem;
    color: #CCCCCC;
    margin: 0;
    text-align: center;
    font-weight: normal;
}

.legal-notice {
    font-size: 0.65rem;
    color: #CCCCCC;
    text-align: center;
    margin: 3px 0 0 0;
    line-height: 1.2;
    font-weight: normal;
}

.legal-notice-small {
    font-size: 0.6rem;
    color: #E0E0E0;
    text-align: center;
    margin: 2px 0 0 0;
    line-height: 1.1;
    font-weight: normal;
    opacity: 0.7;
}

/* 結びの文章 */
.conclusion-section {
    background: linear-gradient(135deg, #FFF9E6 0%, #FFFFFF 100%);
    padding: 60px 40px;
    margin: 60px 0;
    border-radius: 20px;
    border: 2px solid #D4AF37;
}

.conclusion-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.conclusion-title {
    font-size: 1.8rem;
    color: #000000;
    margin-bottom: 30px;
    font-weight: 700;
}

.final-message {
    background: #FFFFFF;
    padding: 30px;
    border-radius: 15px;
    margin: 30px 0;
    border: 2px solid #D4AF37;
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.2);
}

.strong-text {
    font-size: 1.2rem;
    color: #B8941F;
    margin: 10px 0;
    font-weight: 600;
}

.closing-text {
    font-size: 1.1rem;
    color: #333333;
    font-weight: 500;
    margin-top: 25px;
}

/* 商品購入セクション */
.products-section {
    background: #FFFFFF;
    padding: 60px 0;
    margin: 60px 0;
    text-align: center;
}

.purchase-recommendation {
    font-size: 1rem;
    color: #666666;
    text-align: center;
    margin: 15px 0 30px 0;
    font-style: italic;
}

.purchase-recommendation strong {
    color: #D4AF37;
    font-weight: 700;
}

/* 悩む女性の画像セクション */
.concern-image-section {
    text-align: center;
    margin: 40px 0;
    padding: 20px 0;
}

.concern-image-container {
    max-width: 400px;
    margin: 0 auto;
}

.concern-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.purchase-subtitle {
    font-size: 1.1rem;
    color: #666666;
    margin-bottom: 50px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.product-item {
    transition: transform 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
}

.product-link {
    display: block;
    text-decoration: none;
}

.product-image {
    width: 100%;
    height: 300px;
    object-fit: contain;
    object-position: center;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
    background: #FFFFFF;
    padding: 20px;
}

.product-image:hover {
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.product-title {
    font-size: 1rem;
    font-weight: 600;
    color: #000000;
    margin-top: 15px;
    padding: 0 15px;
    line-height: 1.5;
    text-align: left;
}

/* 購入促進セクション */
.purchase-flow-section {
    margin-top: 50px;
    padding: 40px 60px;
    background: #F8F9FA;
    border-radius: 15px;
}

/* 関連記事セクション */
.recommended-content {
    background: #FFFFFF;
    padding: 60px 0;
    margin: 60px 0;
}

.related-articles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.related-article {
    background: #F8F9FA;
    padding: 25px;
    border-radius: 15px;
    border-left: 4px solid #D4AF37;
    transition: transform 0.3s ease;
}

.related-article:hover {
    transform: translateY(-3px);
}

.related-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #000000;
    margin-bottom: 15px;
    line-height: 1.4;
}

.related-summary {
    font-size: 0.95rem;
    color: #666666;
    line-height: 1.6;
    margin: 0;
}

/* 法的ページ用スタイル */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.legal-content h2 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #000000;
    margin: 30px 0 15px 0;
    border-bottom: 2px solid #D4AF37;
    padding-bottom: 10px;
}

.legal-content p {
    font-size: 1rem;
    line-height: 1.7;
    color: #333333;
    margin-bottom: 15px;
}

.legal-content ul {
    margin: 15px 0;
    padding-left: 25px;
}

.legal-content li {
    font-size: 1rem;
    line-height: 1.7;
    color: #333333;
    margin-bottom: 8px;
}

.update-date {
    text-align: right;
    font-size: 0.9rem;
    color: #999999;
    margin-top: 40px;
    border-top: 1px solid #E5E5E5;
    padding-top: 20px;
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.quality-item {
    text-align: center;
    padding: 30px 25px;
    background: #FFFFFF;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
    border-top: 4px solid #3498DB;
}

.quality-item:hover {
    transform: translateY(-5px);
}

.quality-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.quality-item h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 15px;
}

.quality-item p {
    font-size: 0.95rem;
    color: #666666;
    line-height: 1.6;
    margin: 0;
}

/* 商品購入セクション */
.purchase-section {
    background: #F8F9FA;
    padding: 60px 0;
    margin: 60px 0;
}

.purchase-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
}

.purchase-subtitle {
    font-size: 1.1rem;
    color: #666666;
    margin-bottom: 50px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    position: relative;
    background: #FFFFFF;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #D4AF37;
    color: #FFFFFF;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 10;
}

.product-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.product-card-content {
    padding: 30px 25px;
}

.product-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 15px;
    text-align: center;
}

.product-card-desc {
    font-size: 0.9rem;
    color: #666666;
    line-height: 1.6;
    margin-bottom: 20px;
    text-align: left;
}

.product-price {
    text-align: center;
    margin-top: 20px;
}

.price {
    font-size: 1.8rem;
    font-weight: 700;
    color: #D4AF37;
    display: block;
    margin-bottom: 5px;
}

.price-note {
    font-size: 0.8rem;
    color: #999999;
}

.campaign-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 15px;
}

.campaign-subtitle {
    font-size: 1.1rem;
    color: #000000;
    margin-bottom: 40px;
    font-weight: 600;
}

.price-display {
    background: #FFFFFF;
    padding: 40px 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.regular-price {
    margin-bottom: 20px;
}

.price-label {
    display: block;
    font-size: 1rem;
    color: #666666;
    margin-bottom: 8px;
    font-weight: 600;
}

.price-value {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: #000000;
}

.crossed {
    text-decoration: line-through;
    color: #999999;
    font-size: 1.8rem;
}

.arrow-down {
    font-size: 2.5rem;
    color: #D4AF37;
    font-weight: 700;
    margin: 15px 0;
}

.special-price .price-value.special {
    font-size: 3.2rem;
    color: #E74C3C;
    text-shadow: 2px 2px 4px rgba(231, 76, 60, 0.2);
}

.discount-rate {
    display: inline-block;
    background: linear-gradient(135deg, #E74C3C, #C0392B);
    color: #FFFFFF;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 1rem;
    font-weight: 700;
    margin-top: 10px;
}

.campaign-benefits {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.benefit-item {
    color: #000000;
    font-weight: 700;
    font-size: 1.1rem;
    position: relative;
}

.benefit-item::before {
    content: '✓';
    color: #27AE60;
    margin-right: 8px;
    font-weight: bold;
}

.cta-button {
    background: linear-gradient(135deg, #E74C3C, #C0392B);
    color: #FFFFFF;
    padding: 20px 50px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 25px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.3);
    font-size: 1rem;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(231, 76, 60, 0.4);
}

.cta-main {
    display: block;
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.cta-sub {
    display: block;
    font-size: 1rem;
    opacity: 0.9;
}

.disclaimer-info {
    margin-top: 25px;
}

.disclaimer {
    font-size: 0.85rem;
    color: #000000;
    margin-bottom: 8px;
    line-height: 1.4;
    opacity: 0.8;
}

.limitation {
    font-size: 0.9rem;
    color: #000000;
    font-weight: 600;
}

/* フッター */
.article-footer {
    background: #000000;
    color: #FFFFFF;
    padding: 40px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.site-name {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: #D4AF37;
    margin-bottom: 10px;
}

.footer-description {
    font-size: 0.95rem;
    line-height: 1.5;
    color: #CCCCCC;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: #FFFFFF;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #D4AF37;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333333;
}

.copyright p {
    font-size: 0.85rem;
    color: #999999;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }
    
    .main-nav {
        display: none;
    }
    
    .article-title {
        font-size: 1.8rem;
        line-height: 1.3;
    }
    
    .section-heading {
        font-size: 1.5rem;
    }
    
    .lead-text-large {
        font-size: 1.2rem;
    }
    
    .text-content-large {
        font-size: 1.05rem;
    }
    
    .comparison-chart {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .vs-indicator {
        transform: rotate(90deg);
        font-size: 1.5rem;
        margin: 10px 0;
    }
    
    .product-overview,
    .ingredient-info {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }
    
    .ingredient-content.reverse .ingredient-info {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .ingredients-content {
        padding: 0 15px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .quality-grid {
        grid-template-columns: 1fr;
    }
    
    .campaign-benefits {
        flex-direction: column;
        gap: 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 25px;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .article-meta span::after {
        display: none;
    }
}

@media (max-width: 480px) {
    .article-content {
        padding: 15px 10px;
    }
    
    .article-title {
        font-size: 1.5rem;
        line-height: 1.4;
    }
    
    .section-heading {
        font-size: 1.3rem;
    }
    
    .lead-text-large {
        font-size: 1.1rem;
        padding: 0 5px;
    }
    
    .text-content-large {
        font-size: 1rem;
    }
    
    .product-images-section {
        padding: 0 5px;
    }
    
    .products-section .container {
        padding: 0 10px;
    }
    
    .supplement-choice-section {
        padding: 20px 15px;
        margin: 20px 5px;
    }
    
    .product-title {
        font-size: 0.9rem;
        padding: 0 10px;
        line-height: 1.4;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 5px;
    }
    
    .campaign-title {
        font-size: 1.8rem;
    }
    
    .special-price .price-value.special {
        font-size: 2.5rem;
    }
    
    .cta-button {
        padding: 18px 40px;
    }
    
    .cta-main {
        font-size: 1.1rem;
    }
    
    .product-image,
    .content-image {
        height: 200px;
    }
    
    .intro-img {
        height: 200px;
    }
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.article-section {
    animation: fadeInUp 0.6s ease-out;
}

/* スクロール効果 */
.testimonial-card,
.quality-item,
.ingredient-category {
    transition: all 0.3s ease;
}

.testimonial-card:hover,
.quality-item:hover,
.ingredient-category:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}