/* 専門ブログ（記事ページ）用。今のサイトの styles.css の上に重ねる */
.article { padding-top: 110px; max-width: 760px; }
.crumbs { font-size: 12px; color: var(--sub); margin: 0 0 18px; display: flex; gap: 6px; flex-wrap: wrap; }
.crumbs a { color: var(--sub); }
.article .sec-title { margin-bottom: 20px; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; font-size: 13px; color: var(--sub); margin: 0 0 24px; }
.article-cat { font-size: 12px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--moss); color: var(--moss); text-decoration: none; background: #fff; }
.article-lead { font-family: var(--serif); font-size: 17px; line-height: 2; margin: 0 0 28px; }
.article-eyecatch { margin: 0 0 20px; }
.article-eyecatch img { width: 100%; border-radius: 14px; }

.article-body { font-size: 16px; line-height: 2; }
/* 見出し：h2 緑の帯／h3 薄い緑の面＋線／h4 点線の下線／h5 緑の縦棒（2026-10-24 しゅう決定） */
.article-body h2 { font-family: var(--serif); font-weight: 700; font-size: 21px; line-height: 1.6; margin: 56px 0 18px; padding: 12px 16px; color: #fff; background: var(--moss); border-radius: 8px; }
.article-body h3 { font-family: var(--serif); font-weight: 700; font-size: 18px; line-height: 1.6; margin: 40px 0 14px; padding: 8px 14px; background: var(--bg); border-left: 4px solid var(--moss); border-radius: 0 6px 6px 0; }
.article-body h4 { font-weight: 700; font-size: 16px; line-height: 1.6; margin: 32px 0 10px; padding: 0 0 6px; border-bottom: 2px dotted var(--moss); }
.article-body h5 { font-weight: 700; font-size: 15px; line-height: 1.6; margin: 28px 0 8px; padding-left: 14px; position: relative; }
.article-body h5::before { content: ""; position: absolute; left: 0; top: .3em; width: 6px; height: 1.1em; border-radius: 2px; background: var(--moss); }
.article-body p { margin: 0 0 1.4em; }
.article-body ul, .article-body ol { padding-left: 1.4em; margin: 0 0 1.4em; }
.article-body li { margin: .3em 0; }
.article-body blockquote { margin: 0 0 1.4em; padding: 14px 18px; background: #fff; border-left: 3px solid var(--fire); border-radius: 0 10px 10px 0; color: var(--ink); }
.article-body a { color: var(--moss); }
.article-body img { border-radius: 10px; margin: 8px 0 20px; }
.article-body pre, .article-body code { font-size: 14px; background: #fff; border-radius: 6px; }
.article-body pre { padding: 14px; overflow-x: auto; }

.article-cta { margin: 56px 0 28px; padding: 28px 22px 26px; text-align: center; background: #fff; border: 2px solid var(--fire); border-radius: 16px; }
.article-cta-dog { width: 96px; margin: 0 auto 6px; }
.article-cta-title { font-family: var(--serif); font-weight: 700; font-size: 20px; line-height: 1.6; margin: 0 0 10px; }
.article-cta-text { font-size: 14px; color: var(--sub); margin: 0 0 18px; }

.article-author { padding: 18px 20px 20px; background: var(--bg-2); border-radius: 14px; margin: 0 0 28px; }
.article-author-label { margin: 0 0 12px; font-size: 13px; font-weight: 700; color: var(--moss); }
.article-author-row { display: flex; gap: 16px; align-items: flex-start; }
.article-author-face { margin: 0; flex: none; width: 76px; text-align: center; }
.article-author-face img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; background: #fff; margin: 0 auto 6px; }
.article-author-name { font-size: 13px; font-weight: 700; line-height: 1.4; }
.article-author-text { margin: 0; font-size: 13px; color: var(--sub); line-height: 1.8; }
.article-back { font-size: 14px; }
.article-back a { color: var(--moss); }

@media (min-width: 1024px) {
  .article-body { font-size: 17px; }
  .article-body h2 { font-size: 23px; }
}

/* コラム一覧・カテゴリ一覧 */
.column-list { padding-top: 110px; max-width: 1040px; }
.column-list .sec-title { margin-bottom: 16px; }
.column-lead { font-size: 15px; line-height: 1.9; color: var(--sub); margin: 0 0 24px; max-width: 640px; }
.cat-switch { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 32px; }
.cat-switch a { font-size: 13px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--moss); color: var(--moss); background: #fff; text-decoration: none; transition: background .2s, color .2s; }
.cat-switch a:hover { background: rgba(63,122,82,.08); }
.cat-switch a[aria-current="page"] { background: var(--moss); color: #fff; }
.column-empty { padding: 40px 0; text-align: center; color: var(--sub); }

.col-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
.col-card { background: #fff; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); transition: transform .25s, box-shadow .25s; }
.col-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(31,51,40,.10); }
.col-card-link { display: block; color: inherit; text-decoration: none; height: 100%; }
.col-card-thumb { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg); display: grid; place-items: center; }
.col-card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.col-card-thumb .col-card-noimg { width: 38%; height: auto; object-fit: contain; opacity: .9; }
.col-card-body { padding: 14px 16px 18px; }
.col-card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font-size: 12px; color: var(--sub); margin: 0 0 8px; }
.col-card-cat { color: var(--moss); border: 1px solid var(--moss); border-radius: 999px; padding: 1px 9px; font-size: 11px; }
.col-card-title { font-family: var(--serif); font-weight: 700; font-size: 17px; line-height: 1.6; margin: 0 0 6px; }
.col-card-excerpt { font-size: 13px; line-height: 1.8; color: var(--sub); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.col-pager { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin: 36px 0 0; }
.col-pager-btn { font-size: 14px; padding: 10px 22px; border-radius: 999px; border: 1px solid var(--moss); color: var(--moss); background: #fff; text-decoration: none; }

/* 記事下の関連記事 */
.related { margin: 0 0 32px; }
.related-title { font-family: var(--serif); font-weight: 700; font-size: 20px; margin: 0 0 16px; padding-left: 12px; border-left: 4px solid var(--moss); }

@media (min-width: 640px) {
  .col-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .col-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .col-grid.is-related { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .col-grid.is-related .col-card-title { font-size: 15px; }
  .column-lead { font-size: 16px; }
}
@media (min-width: 640px) and (max-width: 1023px) {
  .col-grid.is-related { grid-template-columns: 1fr; }
}
/* 関連記事はスマホ・タブレットで横長の小さいカードにする */
@media (max-width: 1023px) {
  .col-grid.is-related { grid-template-columns: 1fr; gap: 12px; }
  .is-related .col-card-link { display: grid; grid-template-columns: 112px 1fr; }
  .is-related .col-card-thumb { aspect-ratio: auto; height: 100%; min-height: 84px; }
  .is-related .col-card-body { padding: 10px 12px; }
  .is-related .col-card-title { font-size: 14px; margin: 0; }
  .is-related .col-card-excerpt { display: none; }
  .is-related .col-card-meta { margin-bottom: 4px; }
}
/* PC：ブログのヘッダーのロゴは今のサイトの75%に */
@media (min-width: 1024px) {
  .site-header .brand { font-size: 28.5px; }
  .site-header .brand-sub { font-size: 12.75px; margin-top: 4px; }
}

/* 目次 */
.article-toc { margin: 0 0 40px; padding: 18px 20px 16px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; }
.article-toc-title { margin: 0 0 10px; font-family: var(--serif); font-weight: 700; font-size: 17px; }
.article-toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; }
.article-toc li { margin: 0; border-top: 1px dashed var(--line); }
.article-toc li:first-child { border-top: 0; }
.article-toc a { display: block; padding: 8px 0; color: var(--ink); text-decoration: none; font-size: 14px; line-height: 1.6; }
.article-toc a:hover { color: var(--moss); }
.article-toc li.is-h2 { counter-increment: toc; }
.article-toc li.is-h2 > a { font-weight: 700; }
.article-toc li.is-h2 > a::before { content: counter(toc) ". "; color: var(--moss); }
.article-toc li.is-h3 > a { padding-left: 1.4em; font-size: 13px; color: var(--sub); }
.article-body h2, .article-body h3 { scroll-margin-top: 90px; }

/* 記事タイトル：見本（revedesign.jp）に合わせて、スマホ18px・PC24px、太字・文字間やや広め */
.article .sec-title { font-size: 18px; font-weight: 700; letter-spacing: .1em; }
.article .sec-title .ttl { line-height: 1.7; }
@media (min-width: 1024px) { .article .sec-title { font-size: 24px; } }