/**
 * SEOコンテンツページ用スタイル
 */

/* ========================================
   メインコンテンツ
   ======================================== */
.content-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* ========================================
   パンくずリスト
   ======================================== */
.breadcrumb {
    margin-bottom: 1.5rem;
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-light);
}

.breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb li:not(:last-child)::after {
    content: '>';
    margin: 0 0.5rem;
    color: var(--border);
}

.breadcrumb a {
    color: var(--secondary);
    text-decoration: none;
}

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

/* ========================================
   ページヘッダー
   ======================================== */
.page-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border);
}

.page-header h1 {
    font-family: 'Shippori Mincho', serif;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.result-count {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ========================================
   記念日詳細ページ
   ======================================== */
.anniversary-detail {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 12px var(--shadow);
    margin-bottom: 2rem;
}

.anniversary-header {
    text-align: center;
    margin-bottom: 2rem;
}

.anniversary-date {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    margin-bottom: 1rem;
}

.date-month {
    font-size: 0.9rem;
}

.date-day {
    font-size: 1.2rem;
    font-weight: 700;
}

.anniversary-detail h1 {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.8rem;
    color: var(--text);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.category-badge {
    display: inline-block;
    background: var(--secondary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

.anniversary-body {
    margin-bottom: 2rem;
}

.description {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--text);
}

/* 説明文内のコンテンツスタイル */
.description h2 {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary);
    margin: 2.5rem 0 1rem 0;
    padding-bottom: 0.6rem;
    border-bottom: 3px solid var(--primary-light);
    position: relative;
}

.description h2:first-child {
    margin-top: 0;
}

.description h2::before {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--primary);
}

.description h3 {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text);
    margin: 2rem 0 0.8rem 0;
    padding-left: 1rem;
    border-left: 4px solid var(--secondary);
}

.description h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    margin: 1.5rem 0 0.6rem 0;
}

.description p {
    margin: 0 0 1.2rem 0;
    text-align: justify;
}

.description p:last-child {
    margin-bottom: 0;
}

.description ul,
.description ol {
    margin: 1.2rem 0;
    padding-left: 0;
    list-style: none;
}

.description ul li {
    position: relative;
    padding: 0.6rem 0 0.6rem 2rem;
    border-bottom: 1px dashed var(--border);
}

.description ul li:last-child {
    border-bottom: none;
}

.description ul li::before {
    content: '';
    position: absolute;
    left: 0.5rem;
    top: 1.1rem;
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
}

.description ol {
    counter-reset: item;
}

.description ol li {
    position: relative;
    padding: 0.6rem 0 0.6rem 2.5rem;
    border-bottom: 1px dashed var(--border);
    counter-increment: item;
}

.description ol li:last-child {
    border-bottom: none;
}

.description ol li::before {
    content: counter(item);
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 1.8rem;
    height: 1.8rem;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.description strong {
    color: var(--primary);
    font-weight: 600;
}

.description em {
    font-style: normal;
    background: linear-gradient(transparent 60%, rgba(255, 193, 7, 0.3) 60%);
    padding: 0 0.2rem;
}

.description a {
    color: var(--secondary);
    text-decoration: none;
    border-bottom: 1px solid var(--secondary);
    transition: opacity 0.2s;
}

.description a:hover {
    opacity: 0.7;
}

/* 説明文内のブロック引用風スタイル（将来用） */
.description blockquote {
    margin: 1.5rem 0;
    padding: 1.2rem 1.5rem;
    background: var(--bg);
    border-left: 4px solid var(--primary);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--text-light);
}

/* レスポンシブ */
@media (max-width: 768px) {
    .description h2 {
        font-size: 1.25rem;
        margin: 2rem 0 0.8rem 0;
    }

    .description h2::before {
        width: 60px;
    }

    .description h3 {
        font-size: 1.1rem;
        margin: 1.5rem 0 0.6rem 0;
    }

    .description ul li,
    .description ol li {
        padding-left: 1.8rem;
    }
}

/* ========================================
   共有ボタン
   ======================================== */
.share-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.share-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

.share-buttons {
    display: flex;
    gap: 0.5rem;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: white;
    transition: transform 0.2s, opacity 0.2s;
}

.share-btn:hover {
    transform: scale(1.1);
    opacity: 0.9;
}

.share-btn.twitter {
    background: #000;
}

.share-btn.facebook {
    background: #1877F2;
}

.share-btn.line {
    background: #06C755;
}

/* ========================================
   日付ナビゲーション
   ======================================== */
.date-nav, .month-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 1px 4px var(--shadow);
}

/* シンプルな月ナビゲーション */
.month-nav-simple {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 1px 4px var(--shadow);
}

.nav-btn {
    color: var(--secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: background 0.2s;
}

.nav-btn:hover {
    background: var(--bg);
}

.current-month {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
}

.month-selector-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 1px 4px var(--shadow);
}

.month-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 0.5rem;
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.2s, color 0.2s;
}

.month-btn:hover {
    background: var(--primary-light);
    color: white;
}

.month-btn.active {
    background: var(--primary);
    color: white;
}

.nav-link {
    color: var(--secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: background 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-link:hover {
    background: var(--bg);
}

.nav-link.month {
    font-weight: 500;
}

.nav-link.prev,
.nav-link.next {
    min-width: 80px;
}

.month-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    justify-content: center;
    flex: 1;
    max-width: 500px;
}

/* ========================================
   月リンク
   ======================================== */
.month-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.month-link {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    text-decoration: none;
    font-size: 0.85rem;
    transition: background 0.2s, color 0.2s;
}

.month-link:hover {
    background: var(--primary-light);
    color: white;
}

.month-link.active {
    background: var(--primary);
    color: white;
}

.month-links-large {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.month-link-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}

.month-link-large:hover {
    background: var(--primary-light);
    color: white;
    transform: translateY(-2px);
}

.month-link-large.active {
    background: var(--primary);
    color: white;
}

.month-num {
    font-size: 1.5rem;
    font-weight: 700;
}

.month-label {
    font-size: 0.8rem;
}

/* ========================================
   日付ナビゲーション（月別ページ用）
   ======================================== */
.day-nav {
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 1px 4px var(--shadow);
}

.day-nav-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.day-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

.day-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: var(--bg);
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.85rem;
    transition: background 0.2s, color 0.2s;
}

.day-link:hover {
    background: var(--primary-light);
    color: white;
}

.day-link.has-data {
    background: var(--secondary);
    color: white;
}

/* ========================================
   記念日一覧（カード形式）
   ======================================== */
.anniversary-list {
    display: grid;
    gap: 1rem;
}

.anniversary-card {
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 2px 8px var(--shadow);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.anniversary-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--shadow);
}

.anniversary-card a {
    display: block;
    padding: 1.25rem;
    text-decoration: none;
    color: var(--text);
}

.anniversary-card h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.anniversary-card .category-badge {
    margin-bottom: 0.5rem;
}

.card-description {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-top: 0.5rem;
}

/* ========================================
   月別一覧（日付ごとグループ）
   ======================================== */
.month-anniversary-list {
    display: grid;
    gap: 1.5rem;
}

.day-section {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 1.25rem;
    box-shadow: 0 2px 8px var(--shadow);
}

.day-heading {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary-light);
}

.day-heading a {
    color: var(--primary);
    text-decoration: none;
}

.day-heading a:hover {
    text-decoration: underline;
}

.day-heading .count {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: normal;
}

.day-anniversaries {
    display: grid;
    gap: 0.5rem;
}

.anniversary-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.anniversary-item:last-child {
    border-bottom: none;
}

.anniversary-item a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text);
}

.anniversary-item a:hover .item-title {
    color: var(--primary);
}

.item-title {
    flex: 1;
    transition: color 0.2s;
}

.category-tag {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    background: var(--bg);
    color: var(--text-light);
    border-radius: 4px;
}

/* ========================================
   関連セクション
   ======================================== */
.related-section {
    margin-top: 2rem;
}

.related-block {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px var(--shadow);
}

.related-block h2 {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-light);
}

.related-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.related-list li {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
}

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

.related-list a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text);
    text-decoration: none;
}

.related-list a:hover {
    color: var(--primary);
}

.related-date {
    font-size: 0.85rem;
    color: var(--text-light);
    min-width: 40px;
}

.view-all-link {
    display: block;
    margin-top: 1rem;
    color: var(--secondary);
    text-decoration: none;
    font-size: 0.9rem;
}

.view-all-link:hover {
    text-decoration: underline;
}

/* ========================================
   空状態
   ======================================== */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-light);
    background: var(--card-bg);
    border-radius: 10px;
}

/* ========================================
   レスポンシブ
   ======================================== */
@media (max-width: 768px) {
    .content-page {
        padding: 1rem;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .anniversary-detail {
        padding: 1.5rem;
    }

    .anniversary-detail h1 {
        font-size: 1.4rem;
    }

    .date-nav, .month-nav {
        flex-direction: column;
        text-align: center;
    }

    .month-selector {
        order: -1;
        margin-bottom: 0.5rem;
    }

    .month-selector-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .month-links-large {
        grid-template-columns: repeat(3, 1fr);
    }

    .share-section {
        flex-direction: column;
        align-items: flex-start;
    }

    .day-link {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .month-links-large {
        grid-template-columns: repeat(2, 1fr);
    }

    .breadcrumb {
        font-size: 0.8rem;
    }
}