/* /article/article-list.php 用のスタイル */

#article-list-page {
    padding: 2.3rem 0;
}

#article-list-page h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    display: inline-block;
    padding-bottom: 0.5rem;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.article-card {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    display: flex;
    flex-direction: column;
    background-color: #fff;
}

.article-card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    transform: translateY(-5px);
}

.article-card-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-card-image {
    width: 100%;
    padding-top: 56.25%; /* 16:9 アスペクト比 */
    position: relative;
    overflow: hidden;
}

.article-card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-card:hover .article-card-image img {
    transform: scale(1.05);
}

.article-card-body {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.article-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
}

.article-card-category {
    background-color: #00a0e9;
    color: #fff;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-weight: bold;
}

.article-card-date {
    color: #666;
}

.article-card-title {
    font-size: 1.25rem;
    margin: 0 0 0.75rem 0;
    line-height: 1.4;
}

.article-card-excerpt {
    font-size: 0.9rem;
    color: #555;
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
}

/* ページネーション */
.pagination {
    margin-top: 4rem;
}
.pagination-list {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
}
.pagination-item a {
    display: block;
    padding: 0.75rem 1.25rem;
    border: 1px solid #ddd;
    margin: 0 0.25rem;
    text-decoration: none;
    color: #00a0e9;
    border-radius: 4px;
    transition: all 0.2s;
}
.pagination-item.is-active a {
    background-color: #00a0e9;
    color: #fff;
    border-color: #00a0e9;
}
.pagination-item a:hover {
    background-color: #e3f4fd;
    border-color: #00a0e9;
}
.pagination-item.is-prev a,
.pagination-item.is-next a {
    font-weight: bold;
}

/* レスポンシブ */
@media (max-width: 992px) {
    .article-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .article-grid {
        grid-template-columns: 1fr;
    }
    #article-list-page h1 {
        font-size: 2rem;
    }
}

/* /article/article-X.php 用のスタイル */
#article-page {
    padding: 3rem 16px;
    max-width: 800px;
}

.article-header {
    margin-bottom: 2rem;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.article-category {
    background-color: #00a0e9;
    color: #fff;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-weight: bold;
    font-size: 0.9rem;
}

.article-date {
    color: #666;
    font-size: 0.9rem;
}

.article-title {
    font-size: 28px;
    line-height: 1.4;
    color: #333;
    text-align: left; /* 中央寄せを解除 */
}
.article-title::after {
    display: none; /* 共通の下線を非表示 */
}

.article-featured-image {
    margin-bottom: 2.5rem;
    border-radius: 12px;
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.article-body .lead {
    font-size: 1.1rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 2rem;
}

.article-body h2 {
    font-size: 1.6rem;
    color: #333;
    border-bottom: 2px solid #00a0e9;
    padding-bottom: 0.5rem;
    margin: 2.5rem 0 1.5rem 0;
    text-align: left;
}
.article-body h2::after { display: none; }

.article-footer {
    margin-top: 4rem;
    text-align: center;
}
.back-to-list-button { display: inline-block; padding: 0.8rem 2rem; border: 1px solid #ccc; text-decoration: none; color: #333; border-radius: 8px; transition: background-color 0.2s; }
.back-to-list-button:hover { background-color: #f5f5f5; }