/* ================================================================
   お得情報コラムの探し方 — /koramu・/koramu/c/{slug}・トップの「コラムを探す」
   2026-10-05 May「更容易找到合适的文章」。接頭辞 .kn-
   配色は semantic token。大分類のアイコンだけ分類ごとの色を持つ
   （10 の入口を色でも見分けられるように。文字色には使わない）。
   ================================================================ */
:root {
  --kn-accent: var(--brand-deep);           /* #047857 on #fff = 5.0:1 */
  --kn-new-bg: #b91c1c;                     /* 白文字 6.5:1 */
  --kn-new-fg: #fff;
}
[data-theme="dark"] {
  --kn-accent: #6ee7b7;                     /* on #1e293b = 9.6:1 */
  --kn-new-bg: #f87171;
  --kn-new-fg: #1e293b;                     /* 5.6:1 */
}

.kn { max-width: 1200px; margin: 0 auto; font-size: 15px; line-height: 1.7; line-break: strict; }
.kn-vh {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.kn a:focus-visible, .kn button:focus-visible { outline: 2px solid var(--brand-mid); outline-offset: 2px; border-radius: 8px; }

/* ── 見出し・検索 ───────────────────────────────────── */
.kn-hero { padding: 6px 0 4px; }
.kn-eyebrow {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 6px;
  font-size: 12.5px; font-weight: 800; color: var(--muted);
}
.kn-eyebrow > span:not(.kn-group-ico) { font-variant-numeric: tabular-nums; }
.kn-eyebrow .kn-group-ico { width: 26px; height: 26px; border-radius: 8px; }
.kn-title {
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--text);
}
.kn-title .kn-count { margin-left: 6px; font-size: 15px; }
.kn-lead { margin-top: 8px; max-width: 46em; color: var(--text-secondary); }

.kn-search { margin-top: 16px; max-width: 680px; }
.kn-search-box {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  height: 58px;
  padding: 0 7px 0 18px;
  background: var(--card);
  border: 1.5px solid var(--muted-light);
  border-radius: 14px;
  color: var(--muted);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.kn-search-box:hover { border-color: var(--text-secondary); }
.kn-search-box:focus-within { border-color: var(--brand-mid); box-shadow: 0 0 0 4px var(--brand-light); color: var(--kn-accent); }
.kn-search-box input {
  min-width: 0; height: 100%;
  border: 0; outline: none; background: transparent;
  color: var(--text);
  font: inherit; font-size: 16px;                       /* 16px 未満は iOS が拡大する */
}
.kn-search-box input::placeholder { color: var(--muted); }
.kn-search-box button {
  height: 44px; padding: 0 20px;
  border: 0; border-radius: 10px;
  background: var(--brand-deep); color: #fff;          /* #047857 × 白 = 5.0:1 */
  font: inherit; font-size: 15px; font-weight: 800;
  cursor: pointer;
}
.kn-search-box button:hover { background: var(--brand-darker); }
.kn-search-sm { margin-top: 12px; }
.hm-find-search { margin: 0 0 18px; }   /* トップの「コラムを探す」 */
.kn-search-sm .kn-search-box { height: 50px; }
.kn-search-sm .kn-search-box button { height: 38px; }

.kn-quick { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; }
.kn-quick-label { margin-right: 2px; font-size: 12.5px; font-weight: 700; color: var(--muted); }
.kn-quick a {
  display: inline-flex; align-items: center;
  min-height: 40px; padding: 0 15px;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--card); color: var(--text);
  font-size: 13.5px; font-weight: 700;
}
.kn-quick a:hover { border-color: var(--text-secondary); }

/* ── 節 ─────────────────────────────────────────────── */
.kn-sec { margin-top: 40px; }
.kn-sec-head {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: 6px 14px;
  margin-bottom: 16px; padding-top: 14px;
  border-top: 1px solid var(--text);
}
.kn-sec-head h2 { font-size: 21px; font-weight: 800; letter-spacing: -0.01em; color: var(--text); }
.kn-sec-head h2 .kn-count { margin-left: 6px; }
.kn-count { font-size: 12.5px; font-weight: 700; color: var(--muted); font-variant-numeric: tabular-nums; }
.kn-more { display: inline-flex; align-items: center; min-height: 40px; font-size: 14px; font-weight: 700; color: var(--kn-accent); }
.kn-note { margin-top: 14px; font-size: 13px; color: var(--muted); }

.kn-today { margin: 24px 0 0 !important; }
.koramu-idx-today{display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin:0 0 22px;padding:15px 17px;border-radius:14px;text-decoration:none;
  border:1px solid var(--brand-mid);background:var(--card)}
.koramu-idx-today:hover{box-shadow:0 3px 14px rgba(16,185,129,.14)}
.koramu-idx-today-l{display:flex;align-items:center;gap:11px;min-width:0}
.koramu-idx-today-l>svg{flex-shrink:0;color:var(--brand-mid)}
.koramu-idx-today b{display:block;font-size:1rem;font-weight:800;color:var(--text);line-height:1.35}
.koramu-idx-today em{display:block;margin-top:3px;font-style:normal;font-size:.8rem;font-weight:600;color:var(--text-secondary);line-height:1.5}
.koramu-idx-today-go{flex-shrink:0;color:var(--muted)}

/* ── 大分類のカード ──────────────────────────────────── */
.kn-groups {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
  list-style: none;
  margin: 0; padding: 0;
}
.kn-group {
  display: flex; flex-direction: column; gap: 12px;
  min-width: 0;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: border-color 0.18s ease;
}
.kn-group:hover { border-color: var(--text-secondary); }
.kn-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  color: var(--text);
}
.kn-group-head:hover .kn-group-title { text-decoration: underline; text-underline-offset: 3px; }
.kn-group-title { font-size: 16.5px; font-weight: 800; line-height: 1.35; }
.kn-group-desc { display: block; margin-top: 2px; font-size: 12.5px; line-height: 1.5; color: var(--muted); }
.kn-group-n { font-size: 20px; font-weight: 900; font-variant-numeric: tabular-nums; color: var(--text); white-space: nowrap; }
.kn-group-n small { margin-left: 1px; font-size: 11px; font-weight: 700; color: var(--muted); }

/* 分類ごとの色（アイコンの地と線だけ）。光：地 100 番・線 700 番／闇：線の色を 18% で敷く */
.kn-group-ico {
  display: inline-grid; place-items: center; flex-shrink: 0;
  width: 46px; height: 46px; border-radius: 13px;
  background: var(--kn-cb, var(--brand-lighter));
  color: var(--kn-c, var(--kn-accent));
}
.kn-g-sale    { --kn-c: #b91c1c; --kn-cb: #fee2e2; }
.kn-g-erabi   { --kn-c: #1d4ed8; --kn-cb: #dbeafe; }
.kn-g-kaden   { --kn-c: #6d28d9; --kn-cb: #ede9fe; }
.kn-g-kurashi { --kn-c: #b45309; --kn-cb: #fef3c7; }
.kn-g-kenko   { --kn-c: #be185d; --kn-cb: #fce7f3; }
.kn-g-outdoor { --kn-c: #15803d; --kn-cb: #dcfce7; }
.kn-g-family  { --kn-c: #c2410c; --kn-cb: #ffedd5; }
.kn-g-fashion { --kn-c: #a21caf; --kn-cb: #fae8ff; }
.kn-g-food    { --kn-c: #0e7490; --kn-cb: #cffafe; }
.kn-g-money   { --kn-c: #0f766e; --kn-cb: #ccfbf1; }
[data-theme="dark"] .kn-g-sale    { --kn-c: #fca5a5; --kn-cb: rgba(248, 113, 113, 0.16); }
[data-theme="dark"] .kn-g-erabi   { --kn-c: #93c5fd; --kn-cb: rgba(96, 165, 250, 0.16); }
[data-theme="dark"] .kn-g-kaden   { --kn-c: #c4b5fd; --kn-cb: rgba(167, 139, 250, 0.16); }
[data-theme="dark"] .kn-g-kurashi { --kn-c: #fcd34d; --kn-cb: rgba(251, 191, 36, 0.14); }
[data-theme="dark"] .kn-g-kenko   { --kn-c: #f9a8d4; --kn-cb: rgba(244, 114, 182, 0.16); }
[data-theme="dark"] .kn-g-outdoor { --kn-c: #86efac; --kn-cb: rgba(74, 222, 128, 0.14); }
[data-theme="dark"] .kn-g-family  { --kn-c: #fdba74; --kn-cb: rgba(251, 146, 60, 0.16); }
[data-theme="dark"] .kn-g-fashion { --kn-c: #f0abfc; --kn-cb: rgba(232, 121, 249, 0.16); }
[data-theme="dark"] .kn-g-food    { --kn-c: #67e8f9; --kn-cb: rgba(34, 211, 238, 0.14); }
[data-theme="dark"] .kn-g-money   { --kn-c: #5eead4; --kn-cb: rgba(45, 212, 191, 0.14); }

.kn-group-cats { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.kn-group-cats a {
  display: inline-flex; align-items: center; gap: 5px;
  min-height: 36px; padding: 0 11px;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--bg); color: var(--text-secondary);
  font-size: 13px; font-weight: 700;
  transition: border-color 0.18s ease, color 0.18s ease;
}
.kn-group-cats a span { font-size: 11px; font-weight: 700; color: var(--muted); font-variant-numeric: tabular-nums; }
.kn-group-cats a:hover { border-color: var(--kn-c, var(--kn-accent)); color: var(--text); }

/* ── トップの入口タイル（5×2）─────────────────────────── */
.kn-tiles {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
  margin: 0; padding: 0;
}
@media (max-width: 1100px) { .kn-tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 640px)  { .kn-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; } }
.kn-tile { display: flex; min-width: 0; }
.kn-tile > a {
  position: relative;
  flex: 1 1 auto; min-width: 0;
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
  padding: 16px 16px 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  /* 右上に分類の色を薄く敷く（地の色は分類ごと・文字は常に --text） */
  background: radial-gradient(120% 90% at 100% 0%, var(--kn-cb, transparent) 0%, transparent 58%), var(--card);
  color: var(--text);
  overflow: hidden;
  transition: border-color 0.18s ease;
}
.kn-tile > a:hover { border-color: var(--kn-c, var(--text-secondary)); }
.kn-tile .kn-group-ico { margin-bottom: 6px; transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1); }
.kn-tile > a:hover .kn-group-ico { transform: scale(1.08) rotate(-4deg); }
.kn-tile-label { font-size: 15.5px; font-weight: 800; line-height: 1.4; }
.kn-tile-desc {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  font-size: 12.5px; line-height: 1.55; color: var(--muted);
}
.kn-tile-n { margin-top: auto; padding-top: 6px; font-size: 13px; font-weight: 800; color: var(--text); font-variant-numeric: tabular-nums; }
.kn-tile-sub { font-weight: 600; color: var(--muted); }
@media (max-width: 640px) {
  .kn-tile > a { padding: 14px 13px 12px; border-radius: 14px; }
  .kn-tile-label { font-size: 14.5px; }
  .kn-tile-desc { font-size: 12px; }
  .kn-tile-sub { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .kn-tile .kn-group-ico { transition: none; }
  .kn-tile > a:hover .kn-group-ico { transform: none; }
}

/* ── 記事カード ─────────────────────────────────────── */
.kn-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  grid-auto-rows: 1fr;
  gap: 12px;
  list-style: none;
  margin: 0; padding: 0;
}
.kn-card { display: flex; min-width: 0; }
.kn-card-link {
  flex: 1 1 auto; min-width: 0;
  display: flex; flex-direction: column; gap: 7px;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  transition: border-color 0.18s ease, background 0.18s ease;
}
.kn-card-link:hover { border-color: var(--text-secondary); background: var(--bg); }
.kn-card-link:hover .kn-card-title { text-decoration: underline; text-underline-offset: 3px; }
.kn-card.is-new .kn-card-link { border-color: color-mix(in srgb, var(--kn-new-bg) 40%, var(--border)); }
.kn-card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.kn-card-meta:empty { display: none; }
.kn-badge {
  display: inline-flex; align-items: center;
  height: 22px; padding: 0 8px; border-radius: 6px;
  font-size: 11.5px; font-weight: 800; white-space: nowrap;
}
.kn-badge-new { background: var(--kn-new-bg); color: var(--kn-new-fg); }
.kn-badge-guide { background: var(--brand-lighter); color: var(--kn-accent); }
.kn-card-cat { font-size: 12px; font-weight: 700; color: var(--muted); }
.kn-card-title {
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  font-size: 15.5px; font-weight: 800; line-height: 1.5;
}
.kn-card-desc {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  font-size: 13.5px; line-height: 1.65; color: var(--text-secondary);
}
.kn-card-foot {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin-top: auto; padding-top: 2px;
  font-size: 12px; font-weight: 600; color: var(--muted);
}
.kn-card-foot:empty { display: none; }
.kn-tag { padding: 1px 7px; border: 1px solid var(--border); border-radius: 5px; font-size: 11px; font-weight: 700; }

/* ── 検索結果 ───────────────────────────────────────── */
.kn-related-cats { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; margin: -4px 0 14px; font-size: 13px; font-weight: 700; color: var(--muted); }
.kn-related-cats a {
  display: inline-flex; align-items: center; min-height: 36px; padding: 0 12px;
  border-radius: 999px; background: var(--brand-lighter); color: var(--kn-accent); font-weight: 800;
}
.kn-empty { padding: 22px; border: 1px dashed var(--muted-light); border-radius: 14px; color: var(--text-secondary); }
.kn-empty b { color: var(--text); }
.kn-empty p + p { margin-top: 6px; }

/* ── 特集まとめガイド ─────────────────────────────────── */
.kn-hubs { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; list-style: none; margin: 0; padding: 0; }
.kn-hubs a {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  min-height: 54px; padding: 10px 16px;
  border: 1px solid transparent; border-radius: 12px;
  background: var(--brand-lighter); color: var(--text);
  font-size: 14.5px; font-weight: 800; line-height: 1.45;
}
.kn-hubs a .kn-ico { flex-shrink: 0; color: var(--kn-accent); transition: transform 0.18s ease; }
.kn-hubs a:hover { border-color: var(--brand-mid); }
.kn-hubs a:hover .kn-ico { transform: translateX(3px); }

/* ── カテゴリ別の目次 ─────────────────────────────────── */
.kn-dir-group { margin-top: 28px; scroll-margin-top: 80px; }
.kn-dir-group:first-of-type { margin-top: 0; }
.kn-dir-gtitle { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 18px; font-weight: 800; color: var(--text); }
.kn-dir-gtitle .kn-group-ico { width: 34px; height: 34px; border-radius: 10px; }
.kn-dir-gtitle .kn-count { margin-left: 2px; }
.kn-dir-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.kn-dir-cat {
  display: flex; flex-direction: column; gap: 6px;
  min-width: 0;
  padding: 14px 16px 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  scroll-margin-top: 80px;
}
.kn-dir-cat h4 { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; font-size: 15px; font-weight: 800; }
.kn-dir-cat h4 a { color: var(--text); }
.kn-dir-cat h4 a:hover { text-decoration: underline; text-underline-offset: 3px; }
.kn-dir-cat h4 span { flex-shrink: 0; font-size: 12px; font-weight: 700; color: var(--muted); }
.kn-dir-cat ul { list-style: none; margin: 0; padding: 0; }
.kn-dir-cat li a {
  display: block; padding: 6px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 13.5px; line-height: 1.5; color: var(--text-secondary);
}
.kn-dir-cat li a:hover { color: var(--text); }
.kn-dir-all {
  display: inline-flex; align-items: center; gap: 4px; align-self: flex-start;
  margin-top: auto; min-height: 40px;
  font-size: 13px; font-weight: 800; color: var(--kn-accent);
}

/* ── カテゴリページ ──────────────────────────────────── */
.kn-bc { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; margin-bottom: 12px; font-size: 12.5px; font-weight: 600; color: var(--muted); }
.kn-bc a { color: var(--text-secondary); }
.kn-bc a:hover { text-decoration: underline; }
.kn-bc [aria-current] { color: var(--text); }
.kn-siblings {
  display: flex; gap: 8px;
  margin: 20px 0 16px;
  overflow-x: auto; scrollbar-width: none;
  padding-bottom: 2px;
}
.kn-siblings::-webkit-scrollbar { display: none; }
.kn-siblings a {
  display: inline-flex; align-items: center; gap: 6px; flex-shrink: 0;
  min-height: 42px; padding: 0 15px;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--card); color: var(--text);
  font-size: 13.5px; font-weight: 700; white-space: nowrap;
}
.kn-siblings a span { font-size: 11.5px; color: var(--muted); }
.kn-siblings a[aria-current="page"] { background: var(--text); border-color: var(--text); color: var(--card); }
.kn-siblings a[aria-current="page"] span { color: inherit; opacity: 0.75; }
.kn-other-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.kn-other-list a {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 46px; padding: 0 14px 0 6px;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--card); color: var(--text);
  font-size: 14px; font-weight: 700;
}
.kn-other-list .kn-group-ico { width: 34px; height: 34px; border-radius: 50%; }
.kn-other-list a:hover { border-color: var(--text-secondary); }

/* ── スマホ ─────────────────────────────────────────── */
@media (max-width: 640px) {
  .kn { font-size: 14.5px; }
  .kn-groups, .kn-cards, .kn-dir-grid, .kn-hubs { grid-template-columns: minmax(0, 1fr); }
  .kn-cards { grid-auto-rows: auto; }
  .kn-group { padding: 14px; gap: 10px; }
  .kn-group-ico { width: 42px; height: 42px; }
  .kn-search-box { height: 54px; padding-left: 14px; }
  .kn-search-box button { padding: 0 16px; }
  .kn-card-link { padding: 14px 15px; }
  .kn-sec { margin-top: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  .kn-hubs a .kn-ico, .kn-group, .kn-card-link, .kn-search-box { transition: none; }
  .kn-hubs a:hover .kn-ico { transform: none; }
}