.articles-index{padding:0 0 var(--pad);color:var(--ink)}
body:has(.rd-blog){background:#fff}

/* 分類は文字リンク。ページ送りの形は維持する。 */
.article-categories{display:flex;flex-wrap:wrap;gap:8px 24px;margin:0}
.article-categories a{display:inline-flex;align-items:center;min-height:44px;padding:0;border:0;border-radius:0;background:transparent;color:#111;text-decoration:underline;text-underline-offset:4px;font-size:13px;font-weight:700}
.article-categories a:hover{color:#6b6b6b}
.article-categories a[aria-current]{text-decoration-thickness:2px}
.articles-pagination a{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:9px 16px;border:2px solid var(--black);background:transparent;color:var(--ink);text-decoration:none;border-radius:var(--r-pill);font-weight:700;font-size:13px;transition:background .3s ease,color .3s ease}
.articles-pagination a:hover,.articles-pagination a[aria-current]{color:#fff;background:var(--black)}

.articles-grid{display:grid;grid-template-columns:1fr;gap:44px 28px}
:is(.articles-index,.rd-rel) .acard{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:none;grid-template-areas:"img img" "tab tab" "t t" "s s" "by ar";column-gap:14px;align-items:center;align-content:start;min-width:0;padding:0;background:transparent;border:0;border-radius:0;text-decoration:none;color:var(--ink);position:relative;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
:is(.articles-index,.rd-rel) .acard:hover{transform:translateY(-4px)!important}  /* pages.css の .acard:hover{transform:none!important} より優先（Codex 検収 2026-09-23） */
:is(.articles-index,.rd-rel) .aimg{grid-area:img;display:block;overflow:hidden;border-radius:8px;background:#ddd;aspect-ratio:16/9}
:is(.articles-index,.rd-rel) .aimg img{display:block;width:100%;height:100%;object-fit:cover;border-radius:0;filter:none;transform:none;transition:transform .8s cubic-bezier(.22,1,.36,1)}
:is(.articles-index,.rd-rel) .acard:hover img{transform:scale(1.04);filter:none}
:is(.articles-index,.rd-rel) .acard .atab{grid-area:tab;justify-self:start;margin-top:16px;font-family:var(--en-nav);font-weight:800;font-size:10.5px;letter-spacing:.04em;line-height:1;background:var(--black);color:#fff;border-radius:var(--r-chip);padding:5px 8px}
:is(.articles-index,.rd-rel) .acard .t{grid-area:t;margin-top:12px;font-size:18px;font-weight:800;line-height:1.55;overflow-wrap:break-word;word-break:auto-phrase;text-wrap:balance}  /* 文節で折り返す（「1科／目」を防ぐ。2026-09-23） */
:is(.articles-index,.rd-rel) .acard .s{grid-area:s;display:block;margin-top:8px;font-size:13.5px;line-height:1.85;color:var(--ink-soft);overflow-wrap:break-word;word-break:auto-phrase;text-wrap:wrap}
:is(.articles-index,.rd-rel) .acard .by{grid-area:by;display:block;margin-top:14px;font-family:var(--en-nav);font-weight:800;font-size:11px;letter-spacing:.04em;color:var(--ink-soft)}
.article-arrow{grid-area:ar;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;margin-top:14px;flex-shrink:0;border-radius:50%;color:#fff;background:var(--black);font-size:15px;line-height:1;transition:background .3s ease,color .3s ease}
:is(.articles-index,.rd-rel) .acard:hover .article-arrow{background:var(--hi);color:var(--hi-ink)}
.articles-pagination{display:flex;flex-wrap:wrap;gap:8px;margin-top:56px}

/* パンくず（一覧・読む画面で共用） */
:is(.articles-index,.rd-blog) .rd-crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;line-height:1.6;overflow-wrap:anywhere}
:is(.articles-index,.rd-blog) .rd-crumb a{display:inline-flex;align-items:center;min-height:44px;min-width:44px;text-decoration:none}
:is(.articles-index,.rd-blog) a:focus-visible,.rd-blog summary:focus-visible{outline:3px solid #0a0a0a;outline-offset:4px}
.related-stage{font-size:14px;font-weight:700;margin-bottom:12px}

@media(min-width:641px){.articles-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1201px){.articles-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:640px){.articles-grid{gap:36px}:is(.articles-index,.rd-rel) .acard .t{font-size:17px}}

/* 記事一覧: おすすめ 2 列、新着 3 列。関連記事の .acard とは分離する。 */
.ax{background:var(--page,#EEEEEE);color:#111;padding-top:36px}
.ax-h{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 16px;margin:0 0 24px;font-family:var(--en-nav);font-size:32px;font-weight:800;line-height:1.3}
.ax-h small{font-family:var(--jp);font-size:13px;font-weight:700;color:#6b6b6b}
.ax-pick,.ax-new{margin-bottom:64px}
.ax-pick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
.ax-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px 24px}
.ax-card{display:flex;flex-direction:column;min-width:0;text-decoration:none;color:#111}
.ax-card-img{display:block;overflow:hidden;aspect-ratio:16/9;border-radius:8px;background:#eee}
.ax-card-img img{display:block;width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;border-radius:8px;transition:transform .4s ease}
.ax-card:hover .ax-card-img img{transform:scale(1.03)}
.ax-card-t{display:block;margin:16px 0;font-size:18px;font-weight:800;line-height:1.5;overflow-wrap:anywhere}
.ax-pick-card .ax-card-t{font-size:22px}
.ax-card-by{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 12px;margin-top:auto;font-size:12px;line-height:1.5;color:#6b6b6b}
.ax-card-a{overflow-wrap:anywhere}
.ax-card-by time{white-space:nowrap}
.ax .ax-empty{padding:48px 0;font-size:14px;color:var(--ink-soft)}
@media(max-width:900px){.ax-grid,.ax-pick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.ax-grid{gap:24px 12px}.ax-grid .ax-card-t{font-size:14px}.ax-pick-grid{grid-template-columns:1fr}.ax-h{font-size:26px}.ax-pick,.ax-new{margin-bottom:48px}}
@media(prefers-reduced-motion:reduce){.ax-card-img img{transition:none}}

.ax-card-img{background:#dedede}