/* ===== アーカイブ一覧ページ固有 ===== */
:root{--wrap:820px}
.brandrow{padding:22px 0}
main{padding:34px 0 20px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13.5px;
  color:var(--ink-dim);margin:0 0 14px}
.crumb .sep{opacity:.5}
.crumb a{color:var(--ink-dim)}
.crumb a:hover{color:var(--primary)}
h1{font-size:clamp(26px,4.4vw,36px);font-weight:800;margin:0 0 .2em;letter-spacing:.01em}
.sub{color:var(--ink-dim);font-size:16px;margin:0 0 32px}

.arclist{display:flex;flex-direction:column;gap:10px;margin:0 0 34px}
.arow{display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:16px 20px;box-shadow:var(--elev);text-decoration:none;color:var(--ink);
  transition:border-color .18s}
.arow:hover{border-color:var(--primary);text-decoration:none}
.arow .adate{font-size:16px;font-weight:700;font-variant-numeric:tabular-nums}
.arow .atop{font-size:14px;color:var(--ink-dim)}
.arow .atop b{color:var(--ink);font-weight:600}
.empty{color:var(--ink-dim);padding:40px 0;text-align:center}

footer{border-top:1px solid var(--border);margin-top:20px;padding:24px 0 48px;
  color:var(--ink-dim);font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}