/* ============================================
   ブログ一覧ページ CSS
   ============================================ */

/* ページヘッダー（下層ページ共通デザイン） */
.page-header {
    position: relative;
    height: 300px;
    background: linear-gradient(135deg, #f4ede4 0%, #e8d5c4 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.2) 0%, transparent 50%);
}

.page-header__container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.page-header__title {
    font-size: 3rem;
    font-weight: 300;
    color: #765E46;
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
}

.page-header__subtitle {
    font-size: 1.2rem;
    color: #8B7355;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 300;
}

/* パンくずリスト */
.breadcrumb {
    padding: 1.5rem 0;
    border-bottom: 1px solid #e8d5c4;
}

.breadcrumb__list {
    display: flex;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
}

.breadcrumb__item {
    display: flex;
    align-items: center;
}

.breadcrumb__item:not(:last-child)::after {
    content: '>';
    margin: 0 0.5rem;
    color: #999;
}

.breadcrumb__link {
    color: #765E46;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb__link:hover {
    color: #5a4a38;
}

.breadcrumb__current {
    color: #999;
}

/* メインコンテンツ */
.main {
    padding: 3rem 0;
    min-height: 60vh;
}

/* カテゴリーフィルター */
.blog-filter {
    margin-bottom: 3rem;
    text-align: center;
}

.blog-filter__items {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.5rem;
    background-color: #f9f5f0;
    border-radius: 50px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.blog-filter__item {
    padding: 0.7rem 1.5rem;
    text-decoration: none;
    color: #765E46;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.blog-filter__item:hover {
    background-color: #e8d5c4;
}

.blog-filter__item--active {
    background-color: #765E46;
    color: white;
}

/* ブログ記事一覧 */
.blog-archive__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    max-width: 1200px; /* コンテンツ最大幅を制限 */
    margin-left: auto;
    margin-right: auto;
}

/* 記事数が少ない場合の調整 */
@media (min-width: 769px) {
    .blog-archive__grid {
        grid-template-columns: repeat(3, 1fr); /* 3カラム固定 */
    }
    
    /* 1記事の場合は中央に配置 */
    .blog-archive__grid:has(.blog-card:only-child) {
        grid-template-columns: 320px;
        justify-content: center;
    }
    
    /* 2記事の場合は2カラムで中央に配置 */
    .blog-archive__grid:has(.blog-card:nth-child(2):last-child) {
        grid-template-columns: repeat(2, 320px);
        justify-content: center;
    }
}

/* :has疑似クラスが非対応ブラウザ用のフォールバック */
@supports not (selector(:has(*))) {
    @media (min-width: 769px) {
        .blog-archive__grid {
            grid-template-columns: repeat(auto-fit, minmax(320px, 320px));
            justify-content: center;
        }
    }
}

/* ブログカード */
.blog-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    height: 100%;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.blog-card__link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.blog-card__image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: #f5f5f5;
}

.blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-card__image img {
    transform: scale(1.05);
}

.blog-card__content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* メタ情報 */
.blog-card__meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.blog-card__date {
    color: #999;
    font-weight: 500;
}

.blog-card__categories {
    display: flex;
    gap: 0.5rem;
}

.blog-card__category {
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 500;
    color: white;
}

/* カテゴリー別の色分け */
.blog-card__category--blog {
    background-color: #765E46;
}

.blog-card__category--voice {
    background-color: #d4a574;
}

.blog-card__category--news {
    background-color: #8fbc8f;
}

/* タイトル */
.blog-card__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    line-height: 1.5;
    margin-bottom: 1rem;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    display: -webkit-box;
}

/* 抜粋 */
.blog-card__excerpt {
    color: #666;
    line-height: 1.6;
    font-size: 0.9rem;
    flex: 1;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    display: -webkit-box;
}

/* ページネーション */
.blog-pagination {
    margin-top: 3rem;
}

.pagination {
    display: flex;
    justify-content: center;
}

.pagination__list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pagination__item a,
.pagination__item span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    text-decoration: none;
    color: #765E46;
    border: 1px solid #e8d5c4;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.pagination__item a:hover {
    background-color: #765E46;
    color: white;
    border-color: #765E46;
}

.pagination__item--current span {
    background-color: #765E46;
    color: white;
    border-color: #765E46;
}

/* 記事なしの場合 */
.blog-no-posts {
    text-align: center;
    padding: 4rem 2rem;
}

.blog-no-posts__content {
    max-width: 500px;
    margin: 0 auto;
}

.blog-no-posts__title {
    font-size: 1.5rem;
    color: #765E46;
    margin-bottom: 1rem;
}

.blog-no-posts__text {
    color: #666;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.blog-no-posts__actions {
    margin-top: 2rem;
}

/* ボタンスタイル */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: #765E46;
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #5a4a38;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(118, 94, 70, 0.3);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .page-header {
        height: 200px;
    }
    
    .page-header__title {
        font-size: 2rem;
    }
    
    .page-header__subtitle {
        font-size: 1rem;
    }
    
    .main {
        padding: 2rem 0;
    }
    
    .blog-archive__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .blog-filter__items {
        flex-direction: column;
        gap: 0.3rem;
        border-radius: 15px;
    }
    
    .blog-filter__item {
        padding: 0.8rem 1rem;
        border-radius: 10px;
    }
    
    .breadcrumb {
        padding: 1rem 0;
    }
    
    .breadcrumb__list {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .blog-card__content {
        padding: 1rem;
    }
    
    .pagination__item a,
    .pagination__item span {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
}