@charset "UTF-8";
/* ==========================================================================
   BLOG (List / Single) - page-blog.css
   - 一覧と詳細の見た目を統一
   - 詳細ページの可読性・余白・見出し・リンク・画像・引用を整備
   ========================================================================== */

/* --- BLOG 共通 --- */
:root {
    --color-main: #1A3E59;
    --color-accent: #f39800;
    --blog-text: #0f172a;
    --blog-muted: #64748b;
    --blog-border: #e5e7eb;
    --blog-bg: #ffffff;
    --blog-bg-soft: #f8fafc;
}

.taC {
    text-align: center;
}

/* ヒーロー */
.blog-hero {
    background: var(--color-main);
    padding: clamp(80px, 10vw, 120px) 0 clamp(60px, 8vw, 80px);
    color: #fff;
    text-align: center;
}

/* ==========================================================================
   1) BLOG 一覧 (Archive/List)
   ========================================================================== */

.blog-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    list-style: none;
    padding: 0;
    margin: 60px 0 70px;
}

.blog-item.card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .05);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    border: 1px solid var(--blog-border);
    border-bottom: 4px solid #eee;
}

.blog-item.card:hover {
    transform: translateY(-8px);
    border-bottom-color: var(--color-accent);
    box-shadow: 0 18px 45px rgba(26, 62, 89, .12);
}

.blog-thumb {
    background: #f1f5f9;
}

.blog-thumb img {
    width: 100%;
    height: 210px;
    object-fit: cover;
}

.blog-content {
    padding: 22px;
}

.blog-date {
    font-size: 13px;
    color: #888;
    display: block;
    margin-bottom: 10px;
}

.blog-title {
    font-size: 18px;
    font-weight: 900;
    color: var(--color-main);
    line-height: 1.55;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 3.1em;
}

.blog-excerpt {
    color: var(--blog-muted);
    font-size: 13px;
    line-height: 1.85;
}

/* ページネーション（一覧） */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 0 0 90px;
    flex-wrap: wrap;
}

.pagination .page-numbers {
    padding: 10px 16px;
    border: 1px solid var(--blog-border);
    border-radius: 10px;
    color: var(--color-main);
    background: #fff;
    font-weight: 800;
    font-size: 13px;
}

.pagination .page-numbers:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, .06);
}

.pagination .page-numbers.current {
    background: var(--color-main);
    color: #fff;
    border-color: var(--color-main);
}

/* ==========================================================================
   2) BLOG 詳細 (Single)
   ========================================================================== */

.single-article {
    max-width: 820px;
    margin: 0 auto;
    padding: clamp(45px, 6vw, 80px) 0;
}

.post-header {
    margin-bottom: 34px;
}

.post-title {
    margin-top: 10px;
    color: var(--color-main);
    line-height: 1.25;
}

/* アイキャッチ */
.post-thumbnail {
    margin: 0 0 36px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--blog-border);
    background: #fff;
    box-shadow: 0 18px 45px rgba(26, 62, 89, .10);
}

.post-thumbnail__img {
    width: 100%;
    height: auto;
    display: block;
}

/* 本文 */
.entry-content {
    color: var(--blog-text);
    font-size: 16px;
    line-height: 2.05;
    letter-spacing: .02em;
}

.entry-content p {
    margin: 0 0 26px;
}

/* リンク（記事内） */
.entry-content a {
    color: var(--color-main);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 2px;
}

.entry-content a:hover {
    opacity: .85;
}

/* 見出し */
.entry-content h2 {
    margin: 54px 0 18px;
    padding: 16px 18px;
    background: var(--blog-bg-soft);
    border-left: 6px solid var(--color-main);
    border-radius: 12px;
    font-size: 22px;
    font-weight: 900;
    line-height: 1.35;
}

.entry-content h3 {
    margin: 38px 0 14px;
    font-size: 18px;
    font-weight: 900;
    color: var(--color-main);
    line-height: 1.4;
}

.entry-content h4 {
    margin: 30px 0 12px;
    font-size: 16px;
    font-weight: 900;
    color: var(--color-main);
}

/* リスト */
.entry-content ul,
.entry-content ol {
    margin: 0 0 26px 1.2em;
    padding: 0;
}

.entry-content li {
    margin: 10px 0;
    line-height: 1.9;
}

/* 引用 */
.entry-content blockquote {
    margin: 32px 0;
    padding: 18px 18px 18px 22px;
    background: #0b1220;
    color: #fff;
    border-left: 6px solid var(--color-accent);
    border-radius: 14px;
}

.entry-content blockquote p {
    margin: 0;
}

/* 区切り線 */
.entry-content hr {
    border: none;
    height: 1px;
    background: var(--blog-border);
    margin: 42px 0;
}

/* 画像/キャプション（ブロックエディタ対応） */
.entry-content img {
    max-width: 100%;
    height: auto;
    border-radius: 14px;
    border: 1px solid var(--blog-border);
    box-shadow: 0 10px 25px rgba(0, 0, 0, .06);
}

.entry-content figure {
    margin: 34px 0;
}

.entry-content figcaption {
    margin-top: 10px;
    font-size: 12px;
    color: var(--blog-muted);
    text-align: center;
}

/* コード */
.entry-content code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    background: #f1f5f9;
    border: 1px solid var(--blog-border);
    padding: 2px 6px;
    border-radius: 8px;
    font-size: .92em;
}

.entry-content pre {
    background: #0b1220;
    color: #fff;
    padding: 18px;
    border-radius: 14px;
    overflow: auto;
    margin: 30px 0;
}

.entry-content pre code {
    background: transparent;
    border: none;
    padding: 0;
    color: inherit;
}

/* テーブル */
.entry-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    font-size: 14px;
}

.entry-content th,
.entry-content td {
    border: 1px solid var(--blog-border);
    padding: 12px 14px;
    vertical-align: top;
}

.entry-content th {
    background: var(--blog-bg-soft);
    color: var(--color-main);
    font-weight: 900;
}

/* 前後記事 */
.post-pagination {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    margin-top: 70px;
    padding-top: 28px;
    border-top: 1px solid var(--blog-border);
}

.post-pagination a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border: 1px solid var(--blog-border);
    border-radius: 999px;
    font-weight: 900;
    font-size: 13px;
    color: var(--color-main);
    background: #fff;
}

.post-pagination a:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(26, 62, 89, .12);
    border-color: rgba(26, 62, 89, .35);
}

/* CTA */
.single-cta {
    margin-top: 85px;
    padding: 42px 26px;
    background: var(--blog-bg-soft);
    border: 1px solid var(--blog-border);
    border-radius: 22px;
    text-align: center;
}

.single-cta__title {
    color: var(--color-main);
    font-weight: 900;
    font-size: 22px;
    line-height: 1.35;
    margin-bottom: 10px;
}

.single-cta__text {
    color: var(--blog-muted);
    margin: 0 0 20px;
    line-height: 1.8;
    font-size: 14px;
}

/* ==========================================================================
   3) Responsive
   ========================================================================== */

@media screen and (max-width: 768px) {
    .blog-list {
        grid-template-columns: 1fr;
    }

    .blog-thumb img {
        height: 200px;
    }

    .entry-content {
        font-size: 15px;
        line-height: 2;
    }

    .entry-content h2 {
        font-size: 20px;
    }

    .post-pagination {
        flex-direction: column;
    }

    .post-pagination a {
        justify-content: center;
    }
}