/* ===================================================================
   AutoShortVideo ブログ - landing.css のパレット/コンポーネントを再利用した追加スタイル
   =================================================================== */

.blog-nav-active {
    color: var(--c-blue-deep) !important;
}

.blog-main {
    padding-top: 76px; /* 固定ナビの高さ分 */
    background: var(--c-bg-soft);
}

/* ブレッドクラム */
.breadcrumbs {
    font-size: 13px;
    color: var(--c-muted);
    margin-bottom: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.breadcrumbs a {
    color: var(--c-blue-deep);
    font-weight: 600;
}

.breadcrumbs span[aria-hidden] {
    color: var(--c-muted-2);
}

/* 一覧ページ ヒーロー */
.blog-hero {
    background: var(--grad-brand-deep);
    color: #fff;
    padding: 36px 0 28px;
}

.blog-hero .breadcrumbs,
.blog-hero .breadcrumbs a {
    color: rgba(255, 255, 255, 0.85);
}

.blog-hero-title {
    font-size: clamp(26px, 4vw, 36px);
    font-weight: 900;
    margin-bottom: 8px;
}

.blog-hero-sub {
    opacity: 0.9;
    margin-bottom: 20px;
}

.blog-cat-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.blog-cat-chip {
    padding: 8px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 13.5px;
    font-weight: 700;
    color: #fff;
    transition: background 0.2s, color 0.2s;
}

.blog-cat-chip:hover,
.blog-cat-chip.active {
    background: #fff;
    color: var(--c-blue-deep);
}

/* 記事一覧グリッド */
.blog-list-section {
    padding: 44px 0 64px;
}

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

@media (min-width: 640px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.blog-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.blog-card-cover {
    display: block;
    aspect-ratio: 1200 / 630;
    background: var(--grad-brand);
    position: relative;
    overflow: hidden;          /* 写真の縦横比がまちまちでも、カードの絵の大きさを揃える */
}

.blog-card-cover img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.blog-card-cover-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 900;
    font-size: 18px;
    letter-spacing: 0.02em;
}

.blog-card-body {
    padding: 18px 18px 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.blog-badge {
    display: inline-block;
    align-self: flex-start;
    background: var(--c-bg-soft-2);
    color: var(--c-blue-deep);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
}

.blog-card-title {
    font-size: 17px;
    font-weight: 800;
    line-height: 1.5;
}

.blog-card-title a {
    color: var(--c-ink);
}

.blog-card-desc {
    font-size: 13.5px;
    color: var(--c-muted);
    line-height: 1.7;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--c-muted-2);
}

/* ページネーション */
.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 40px;
}

.blog-pagination-current {
    font-weight: 700;
    color: var(--c-muted);
}

.blog-empty {
    text-align: center;
    color: var(--c-muted);
    padding: 60px 0;
}

/* 一覧ページの author 帯 */
.blog-author-wide {
    background: #fff;
    padding: 48px 0;
    border-top: 1px solid var(--c-border);
}

.blog-author-wide-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

@media (min-width: 768px) {
    .blog-author-wide-inner {
        flex-direction: row;
        text-align: left;
    }
}

.blog-author-wide-img {
    width: 180px;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.blog-author-wide-label {
    font-size: 12.5px;
    font-weight: 700;
    color: var(--c-muted-2);
    margin-bottom: 4px;
}

.blog-author-wide-name {
    font-size: 22px;
    font-weight: 900;
    margin-bottom: 4px;
}

.blog-author-wide-role {
    color: var(--c-blue-deep);
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 10px;
}

.blog-author-wide-bio {
    color: var(--c-muted);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 14px;
}

.blog-author-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}

@media (min-width: 768px) {
    .blog-author-links {
        justify-content: flex-start;
    }
}

.blog-author-links a {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--c-blue-deep);
    border-bottom: 2px solid var(--c-cyan);
}

/* 記事ページ */
.blog-article {
    background: #fff;
    padding: 40px 0 64px;
}

.blog-article-inner {
    max-width: 760px;
}

.blog-article-header {
    margin: 14px 0 20px;
}

.blog-article-title {
    font-size: clamp(24px, 4.2vw, 34px);
    font-weight: 900;
    line-height: 1.5;
    margin: 10px 0 16px;
    color: var(--c-ink);
}

.blog-article-byline {
    display: flex;
    align-items: center;
    gap: 10px;
}

.blog-byline-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.blog-byline-name {
    font-weight: 700;
    font-size: 14px;
    color: var(--c-ink);
}

.blog-byline-date {
    font-size: 13px;
    color: var(--c-muted-2);
}

.blog-article-cover {
    width: 100%;
    border-radius: var(--radius-md);
    margin-bottom: 28px;
    aspect-ratio: 1200 / 630;
    object-fit: cover;
}

.blog-toc {
    background: var(--c-bg-soft);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 18px 22px;
    margin-bottom: 32px;
}

.blog-toc-title {
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--c-ink);
}

.blog-toc ol {
    list-style: decimal;
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.blog-toc a {
    color: var(--c-blue-deep);
    font-size: 14.5px;
}

/* 記事本文のタイポグラフィ（markdown_render が出す安全な HTML を整える） */
.blog-article-body {
    font-size: 16px;
    line-height: 1.95;
    color: var(--c-ink);
}

.blog-article-body h2 {
    font-size: 22px;
    font-weight: 900;
    margin: 40px 0 16px;
    padding-top: 8px;
    border-top: 3px solid var(--c-cyan);
    scroll-margin-top: 90px;
}

.blog-article-body h3 {
    font-size: 18px;
    font-weight: 800;
    margin: 28px 0 12px;
}

.blog-article-body p {
    margin-bottom: 18px;
}

.blog-article-body ul,
.blog-article-body ol {
    margin: 0 0 18px;
    padding-left: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.blog-article-body ul {
    list-style: disc;
}

.blog-article-body ol {
    list-style: decimal;
}

.blog-article-body blockquote {
    border-left: 4px solid var(--c-cyan);
    background: var(--c-bg-soft);
    padding: 12px 18px;
    margin: 0 0 18px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--c-muted);
}

.blog-article-body pre {
    background: var(--c-navy);
    color: #eaf7fb;
    padding: 16px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin-bottom: 18px;
    font-size: 13.5px;
}

.blog-article-body code {
    background: var(--c-bg-soft-2);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.92em;
}

.blog-article-body pre code {
    background: none;
    padding: 0;
}

.blog-article-body a {
    color: var(--c-blue-deep);
    text-decoration: underline;
    text-decoration-color: var(--c-cyan);
}

.blog-article-body img {
    width: 100%;
    border-radius: var(--radius-md);
    margin: 8px 0 20px;
}

.blog-article-body hr {
    border: none;
    border-top: 1px solid var(--c-border);
    margin: 32px 0;
}

/* タグ */
.blog-article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 28px 0;
}

.blog-tag-chip {
    background: var(--c-bg-soft-2);
    color: var(--c-blue-deep);
    font-size: 12.5px;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 999px;
}

/* 記事末の著者カード */
.blog-author-card {
    display: flex;
    gap: 16px;
    background: var(--c-bg-soft);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 22px;
    margin: 36px 0;
}

.blog-author-card-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.blog-author-card-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--c-muted-2);
    margin-bottom: 2px;
}

.blog-author-card-name {
    font-size: 17px;
    font-weight: 900;
    margin-bottom: 4px;
}

.blog-author-card-role {
    font-size: 13px;
    color: var(--c-blue-deep);
    font-weight: 700;
    margin-bottom: 8px;
}

.blog-author-card-bio {
    font-size: 13.5px;
    color: var(--c-muted);
    line-height: 1.8;
    margin-bottom: 10px;
}

/* CTA box（記事末） */
.blog-cta-box {
    background: var(--grad-brand-deep);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    margin: 40px 0;
}

.blog-cta-box h2 {
    font-size: 22px;
    font-weight: 900;
    margin-bottom: 10px;
}

.blog-cta-box p {
    opacity: 0.92;
    margin-bottom: 20px;
    font-size: 14.5px;
}

/* 関連記事 */
.blog-related {
    margin-top: 48px;
}

.blog-related-title {
    font-size: 20px;
    font-weight: 900;
    margin-bottom: 18px;
}

.blog-grid--related {
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .blog-grid--related {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ルカの人となり */
.blog-author-traits { display:grid; grid-template-columns:auto 1fr; gap:6px 12px; margin:12px 0 0; font-size:14px; line-height:1.7; }
.blog-author-traits dt { font-weight:700; color:var(--c-blue-deep, #0a4d8c); white-space:nowrap; }
.blog-author-traits dd { margin:0; color:var(--c-ink, #10243a); }