/* ============================================================
   blog.css — NEWS（記事一覧）ページ専用スタイル
   対象テンプレート: page-blog.php
   トンマナ: 紺地 #101946 / ゴールド #ab9057 / サブカラー #6670a5
   ============================================================ */

/* ---------- ページ全体 ---------- */
.blog-page {
    background-color: #101946;
    min-height: 100vh;
    padding: 0 0 80px;
}

/* h2（NEWS）を h1（40px）より若干小さく・高さ指定を解除してpadding余白 */
.blog-page .title2 {
    height: auto;
}
.blog-page .title2 h2 {
    font-size: 32px;
    height: auto;
    padding: 20px 0;
}

.blog-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}


/* ---------- フィルター（カテゴリー＋検索） ---------- */
.blog-filter {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

/* タグリンク */
.blog-cats {
    display: grid;
    grid-template-columns: repeat(3, auto);
    justify-content: start;
    gap: 6px 32px;
}

.blog-cat-link {
    color: #ab9057;
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    line-height: 1.6;
    transition: opacity 0.2s;
}

.blog-cat-link:hover,
.blog-cat-link.is-active {
    opacity: 0.7;
    text-decoration: underline;
}

/* 検索フォーム */
.blog-search form {
    display: flex;
    align-items: center;
    border: 1px solid #ab9057;
    overflow: hidden;
}

.blog-search input[type="search"] {
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    padding: 10px 16px;
    font-size: 1rem;
    width: 260px;
}

.blog-search input[type="search"]::placeholder {
    color: #888;
}

.blog-search button {
    background: transparent;
    border: none;
    border-left: 1px solid #ab9057;
    color: #ab9057;
    padding: 10px 14px;
    cursor: pointer;
    transition: background 0.2s;
}

.blog-search button:hover {
    background: rgba(171, 144, 87, 0.15);
}

/* ---------- 記事グリッド ---------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px 24px;
    margin-bottom: 48px;
}

/* ---------- 記事カード ---------- */
.blog-card {
    border-bottom: 1px solid #6670a5;
    padding-bottom: 24px;
}

.blog-card__link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.blog-card__link:hover .blog-card__title {
    opacity: 0.75;
}

/* サムネイル */
.blog-card__thumb {
    aspect-ratio: 4 / 3;
    background: #2a325a;
    overflow: hidden;
    margin-bottom: 12px;
}

.blog-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s;
}

.blog-card__link:hover .blog-card__thumb img {
    transform: scale(1.03);
}

.blog-card__noimage {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 0.75rem;
    color: #555;
    letter-spacing: 0.05em;
}

/* テキスト */
.blog-card__body {
    padding: 0 4px;
}

.blog-card__title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #ab9057;
    letter-spacing: 0.04em;
    line-height: 1.5;
    margin: 0 0 8px;
}

.blog-card__excerpt {
    font-size: 0.78rem;
    color: #aaa;
    line-height: 1.7;
    margin: 0 0 8px;
}

.blog-card__date {
    display: block;
    font-size: 0.75rem;
    color: #6670a5;
    letter-spacing: 0.03em;
}

/* ---------- ページネーション ---------- */
.blog-pagination {
    text-align: center;
    margin-top: 16px;
}

.blog-pagination .page-numbers {
    display: inline-block;
    color: #ab9057;
    border: 1px solid #ab9057;
    padding: 5px 12px;
    margin: 0 3px;
    font-size: 0.85rem;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.blog-pagination .page-numbers.current,
.blog-pagination .page-numbers:hover {
    background: #ab9057;
    color: #101946;
}

/* ---------- 投稿なし ---------- */
.blog-no-posts {
    text-align: center;
    color: #aaa;
    padding: 60px 0;
    font-size: 0.9rem;
}

/* ============================================================
   レスポンシブ
   ============================================================ */

/* タブレット: 2カラム */
@media screen and (max-width: 960px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px 16px;
    }

    .blog-filter {
        flex-direction: column;
        align-items: flex-start;
    }

    .blog-search input[type="search"] {
        width: 160px;
    }
}

/* スマホ: 検索フォームを中央揃え・横幅いっぱい */
@media screen and (max-width: 600px) {
    .blog-search {
        width: 100%;
    }

    .blog-search form {
        width: 100%;
    }

    .blog-search input[type="search"] {
        flex: 1;
        width: auto;
        font-size: 1rem;
        padding: 10px 14px;
    }

    .blog-search button {
        padding: 10px 14px;
        font-size: 1rem;
    }
}

/* スマホ: 1カラム */
@media screen and (max-width: 600px) {
    .blog-filter {
        align-items: center;
    }

    .blog-page {
        padding: 0 0 60px;
    }

    .blog-title {
        font-size: 2rem;
        margin-bottom: 28px;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .blog-inner {
        padding: 0 16px;
    }

    .blog-cats {
        grid-template-columns: repeat(2, auto);
        gap: 4px 20px;
    }
}