:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --text: #1d1d1f;
  --muted: #6b6b70;
  --line: #e2e0db;
  --accent: #2f6fde;
  --c1: #2f6fde;
  --c2: #e0612f;
  --c3: #1f9e77;
  --c4: #a54fd1;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141416;
    --surface: #1e1e22;
    --text: #ececef;
    --muted: #9a9aa2;
    --line: #33333a;
    --accent: #6a9cff;
    --c1: #6a9cff;
    --c2: #ff8a5c;
    --c3: #4cc9a0;
    --c4: #c58af0;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Yu Gothic UI", sans-serif;
  line-height: 1.6;
}
main, .site-header, .site-footer { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.site-header { padding-top: 32px; }
.site-header h1 { margin: 0; font-size: 1.8rem; }
.lead { color: var(--muted); margin: 4px 0 20px; }
.site-footer { color: var(--muted); font-size: .85rem; padding-bottom: 32px; }

/* filters */
.filters {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 12px; margin-bottom: 20px;
}
.filters input, .filters select {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px;
}
#q { flex: 1 1 220px; }
#price { width: 100px; }
.range { display: flex; gap: 6px; align-items: center; color: var(--muted); font-size: .9rem; }
.count { margin-left: auto; color: var(--muted); font-size: .9rem; }

/* list */
.list { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-bottom: 40px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
}
.card.selected { outline: 2px solid var(--accent); }
.card .thumb {
  aspect-ratio: 4 / 3; background: var(--bg); display: grid; place-items: center;
  cursor: pointer; border: 0; padding: 0; width: 100%;
}
.card .thumb { background: #fff; overflow: hidden; }
.card .thumb img { width: 100%; height: 100%; object-fit: contain; }
.card .thumb .sil, .gallery-main .sil { display: block; width: 100%; background: var(--bg); }

/* 詳細ダイアログの写真ギャラリー */
.gallery { margin: 12px 0; }
.gallery-main { background: #fff; border-radius: 8px; aspect-ratio: 4 / 3; display: grid; place-items: center; overflow: hidden; }
.gallery-main img { width: 100%; height: 100%; object-fit: contain; max-height: none; border-radius: 0; background: #fff; }
.gallery-strip { display: flex; gap: 6px; overflow-x: auto; padding: 8px 0 4px; }
.gthumb { flex: 0 0 64px; height: 64px; padding: 0; border: 2px solid transparent; border-radius: 6px; background: #fff; overflow: hidden; }
.gthumb.on { border-color: var(--accent); }
.gthumb img { width: 100%; height: 100%; object-fit: contain; }
a { color: var(--accent); }
.detail-sil svg { width: 100%; max-width: 360px; height: auto; display: block; }
.card .body { padding: 12px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card h3 { margin: 0; font-size: 1rem; }
.brand { color: var(--muted); font-size: .85rem; }
.tags { display: flex; flex-wrap: wrap; gap: 4px; }
.tag { font-size: .75rem; border: 1px solid var(--line); border-radius: 99px; padding: 1px 8px; color: var(--muted); }
.tag.sample { border-color: var(--c2); color: var(--c2); }
.card .actions { display: flex; gap: 8px; margin-top: auto; padding-top: 6px; }

button {
  font: inherit; cursor: pointer; border-radius: 8px; padding: 6px 12px;
  border: 1px solid var(--accent); background: var(--accent); color: #fff;
}
button.ghost { background: transparent; color: var(--accent); }
button:disabled { opacity: .4; cursor: not-allowed; }

/* compare */
.compare {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin-bottom: 24px;
}
.compare-head { display: flex; justify-content: space-between; align-items: center; }
.compare-head h2 { margin: 0; font-size: 1.2rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.chip {
  display: flex; align-items: center; gap: 6px; border: 1px solid var(--line);
  border-radius: 99px; padding: 2px 4px 2px 10px; font-size: .9rem;
}
.chip .dot { width: 10px; height: 10px; border-radius: 50%; }
.chip select { font: inherit; font-size: .8rem; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 6px; }
.chip button { padding: 0 8px; border: 0; background: transparent; color: var(--muted); }
.compare-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); gap: 16px; }
.panel { margin: 0; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; min-width: 0; }
.panel figcaption { font-weight: 600; margin-bottom: 8px; }
.radar-wrap { position: relative; width: 100%; max-width: 420px; margin: 0 auto; aspect-ratio: 1; }
#size-svg svg { width: 100%; height: auto; display: block; }
.note { color: var(--muted); font-size: .8rem; margin: 8px 0 0; }

.table-wrap { overflow-x: auto; margin-top: 16px; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 500; white-space: nowrap; }

/* dialog */
dialog {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--text);
  max-width: 560px; width: calc(100% - 32px); padding: 20px;
}
dialog::backdrop { background: rgb(0 0 0 / .5); }
dialog h2 { margin: 0 0 4px; }
dialog ul { padding-left: 1.2em; }
dialog dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; }
dialog dt { color: var(--muted); }
dialog dd { margin: 0; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }

@media (max-width: 600px) {
  .site-header { padding-top: 20px; }
  .site-header h1 { font-size: 1.5rem; }
  /* iPhone は 16px 未満の入力欄にフォーカスすると自動ズームするため */
  .filters input, .filters select, .chip select { font-size: 16px; }
  .filters > * { flex: 1 1 calc(50% - 8px); }
  #q { flex-basis: 100%; }
  #price { width: 100%; }
  .count { margin-left: 0; width: 100%; }
  .list { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .card .body { padding: 10px; }
  .card .actions { flex-direction: column; }
  button { padding: 8px 12px; }
  .compare { padding: 12px; }
  dialog { padding: 16px; max-height: 90dvh; }
}
@media (max-width: 360px) {
  .list { grid-template-columns: 1fr; }
}

.nodims { display: grid; place-items: center; width: 100%; height: 100%; color: var(--muted); font-size: .85rem; background: var(--bg); }

/* ナビゲーション */
.site-nav { display: flex; gap: 4px; margin-bottom: 12px; }
.site-nav a { text-decoration: none; color: var(--muted); padding: 4px 12px; border-radius: 99px; border: 1px solid var(--line); }
.site-nav a[aria-current="page"] { background: var(--accent); border-color: var(--accent); color: #fff; }
a.button { display: inline-block; text-decoration: none; border-radius: 8px; padding: 6px 12px; border: 1px solid var(--accent); background: var(--accent); color: #fff; }
a.button.ghost { background: transparent; color: var(--accent); }

/* カード：写真＋評価レーダー */
.card .thumbs { display: grid; grid-template-columns: 1fr 116px; background: #fff; border-bottom: 1px solid var(--line); }
.card .thumbs .thumb { aspect-ratio: 1; }
.card-radar { display: grid; place-items: center; background: var(--surface); border-left: 1px solid var(--line); }
.card-radar svg { width: 112px; height: 112px; }
.card-radar.empty { color: var(--muted); font-size: .7rem; text-align: center; padding: 4px; }
.meta { font-size: .85rem; }
.rating { color: #e0a100; font-weight: 600; }
.rating small { color: var(--muted); font-weight: 400; }
.rating.none { color: var(--muted); font-weight: 400; font-size: .8rem; }
.card-summary { margin: 0; font-size: .85rem; color: var(--text); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* 一覧下部の比較バー */
.compare-bar { position: sticky; bottom: 0; z-index: 5; background: var(--surface); border-top: 1px solid var(--line); box-shadow: 0 -4px 16px rgb(0 0 0 / .08); }
.bar-inner { max-width: 1100px; margin: 0 auto; padding: 8px 16px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.bar-title { font-weight: 600; }
.bar-inner .chips { margin: 0; flex: 1; }
.bar-actions { display: flex; gap: 8px; margin-left: auto; }

/* 比較ページ */
.empty { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.compare-head { flex-wrap: wrap; gap: 8px; }
.head-actions { display: flex; gap: 8px; }
.linklike { background: none; border: 0; padding: 0; color: var(--text); text-decoration: underline dotted; }
.radar-svg svg { width: 100%; max-width: 380px; display: block; margin: 0 auto; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 12px; font-size: .8rem; margin-top: 6px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 4px; }
.spec td { min-width: 140px; }
.spec-photo { width: 120px; aspect-ratio: 1; background: #fff; border-radius: 8px; overflow: hidden; display: grid; place-items: center; }
.spec-photo img { width: 100%; height: 100%; object-fit: contain; }

/* 詳細ダイアログの評価 */
.summary { font-size: .95rem; }
.detail-rating { display: grid; grid-template-columns: 240px 1fr; gap: 12px; align-items: center; }
.detail-radar svg { width: 100%; }
.big-rating { font-size: 1.4rem; color: #e0a100; margin: 0; font-weight: 700; }
.big-rating small { font-size: .85rem; color: var(--muted); font-weight: 400; }
.bands th, .bands td { padding: 2px 8px; }

@media (max-width: 600px) {
  .card .thumbs { grid-template-columns: 1fr; }
  .card-radar { border-left: 0; border-top: 1px solid var(--line); padding: 4px 0; }
  .detail-rating { grid-template-columns: 1fr; }
  .bar-actions { width: 100%; }
  .bar-actions a.button { flex: 1; text-align: center; }
}

/* 好みから探す・耳のサイズ */
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin: -8px 0 12px; }
.cap-input { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: .9rem; }
.cap-input input { width: 80px; font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; }
button.small { padding: 3px 10px; font-size: .85rem; }
#cap-note { margin: -4px 0 12px; }
.quiz fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 10px 0; padding: 8px 12px; display: flex; flex-wrap: wrap; gap: 4px 14px; }
.quiz legend { font-weight: 600; padding: 0 4px; }
.quiz label { display: flex; align-items: center; gap: 4px; }
.quiz-hit { display: flex; align-items: center; gap: 8px; margin: 8px 0; }
.quiz-hit .mini { flex: 1; }

/* 似ている製品などの小さいカード */
.mini-list { display: grid; gap: 8px; margin-top: 8px; }
.mini { display: flex; align-items: center; gap: 10px; text-align: left; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 6px; width: 100%; }
.mini-photo { flex: 0 0 56px; height: 56px; background: #fff; border-radius: 6px; overflow: hidden; display: grid; place-items: center; }
.mini-photo img { width: 100%; height: 100%; object-fit: contain; }
.mini-photo svg { width: 100%; height: 100%; }
.mini-body { display: flex; flex-direction: column; min-width: 0; }
.mini-body strong { font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-body small { color: var(--muted); font-size: .78rem; }
.cheap { font-style: normal; font-size: .75rem; color: var(--c3); font-weight: 600; }

/* お気に入り・メモ */
.card h3 { display: flex; justify-content: space-between; gap: 4px; align-items: flex-start; }
button.fav { background: transparent; border: 0; padding: 0 2px; color: var(--line); font-size: 1.1rem; line-height: 1; }
button.fav.on { color: #e0476b; }
.tag.owned { margin-left: 6px; border-color: var(--c3); color: var(--c3); }
.card-memo { margin: 0; font-size: .8rem; color: var(--muted); overflow-wrap: anywhere; }
.my-box { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; background: var(--bg); border-radius: 8px; padding: 8px 10px; }
.my-box textarea { width: 100%; font: inherit; font-size: 16px; color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 6px; resize: vertical; }
tr.mine td { background: color-mix(in srgb, var(--accent) 12%, transparent); }

@media (max-width: 600px) {
  .cap-input input { font-size: 16px; }
  .quiz-hit { flex-direction: column; align-items: stretch; }
}
.card-radar { position: relative; }
.radar-flag { position: absolute; right: 4px; bottom: 2px; font-size: .62rem; color: var(--muted); }
.tag.soldout { border-color: var(--c2); color: var(--c2); }

/* 外部レビュー */
.rv-count { font-size: .78rem; color: var(--accent); }
.rv-count.none { color: var(--muted); }
.ext-reviews { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 8px; }
.ext-reviews li { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.ext-reviews p { margin: 4px 0 0; font-size: .88rem; }
.kind { font-size: .7rem; border-radius: 99px; padding: 1px 8px; margin-right: 6px; border: 1px solid var(--line); color: var(--muted); }
.kind-x { border-color: var(--text); color: var(--text); }
.kind-blog { border-color: var(--c3); color: var(--c3); }
.kind-site { border-color: var(--c1); color: var(--c1); }
.kind-shop { border-color: var(--c2); color: var(--c2); }

/* ダイアログ上部に固定する見出しと閉じるボタン */
dialog { overflow-y: auto; max-height: 90dvh; }
.dlg-top {
  position: sticky; top: -20px; z-index: 3;
  display: flex; align-items: flex-start; justify-content: space-between; gap: 8px;
  margin: -20px -20px 4px; padding: 14px 20px 10px;
  background: var(--surface); border-bottom: 1px solid var(--line);
}
.dlg-top h2 { margin: 0; font-size: 1.15rem; line-height: 1.4; }
button.dlg-x {
  flex: 0 0 auto; width: 36px; height: 36px; padding: 0; border-radius: 50%;
  font-size: 1.3rem; line-height: 1; background: var(--bg); color: var(--text); border: 1px solid var(--line);
}
@media (max-width: 600px) {
  .dlg-top { top: -16px; margin: -16px -16px 4px; padding: 12px 16px 8px; }
}

/* イヤーピース／リケーブルの切り替え */
.section-nav { margin-bottom: 6px; }
.section-nav a { font-weight: 600; }
.sub-nav a { font-size: .85rem; padding: 2px 10px; }
.tag.plug { border-style: dashed; }
.more-wrap { text-align: center; margin: -20px 0 40px; }
.gallery-main .sil[hidden], .card .thumb .sil[hidden] { display: none; }

/* 寸法（傘の大きさ・軸の長さ・ノズル穴） */
.dims { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.dim { display: flex; flex-direction: column; align-items: flex-start; gap: 1px; background: var(--bg); border-radius: 8px; padding: 5px 7px; min-width: 0; }
.dim-label { font-size: .68rem; color: var(--muted); white-space: nowrap; }
.dim b { font-size: 1rem; line-height: 1.2; }
.dim b small { font-size: .7rem; font-weight: 400; color: var(--muted); margin-left: 1px; }
.dim.na b { color: var(--muted); font-weight: 400; }
.lv { font-size: .66rem; border-radius: 99px; padding: 0 6px; border: 1px solid var(--line); color: var(--muted); }
.lv-lo { border-color: var(--c1); color: var(--c1); }
.lv-hi { border-color: var(--c2); color: var(--c2); }
.dim-hint { font-size: .64rem; color: var(--muted); line-height: 1.3; overflow-wrap: anywhere; }
.dims-size { font-size: .7rem; color: var(--muted); margin-top: -2px; }
dialog .dims { margin: 4px 0 2px; max-width: 420px; }

.dim-help { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 12px; margin: -8px 0 16px; font-size: .88rem; }
.dim-help summary { cursor: pointer; color: var(--accent); }
.dim-help-body { display: grid; grid-template-columns: 220px 1fr; gap: 12px; align-items: center; margin-top: 8px; }
.dim-help svg { width: 100%; height: auto; }
.dim-help ul { margin: 0; padding-left: 1.2em; display: grid; gap: 4px; }

/* 絞り込み：PC では全部並べ、スマホでは畳む */
.filter-toggle { display: none; }
.filter-more { display: contents; }

@media (max-width: 600px) {
  .filters { gap: 8px; }
  .filter-toggle { display: block; flex: 1 1 100%; }
  .filter-more { display: none; }
  .filters.open .filter-more { display: flex; flex-wrap: wrap; gap: 8px; width: 100%; }
  .filters.open .filter-more > * { flex: 1 1 calc(50% - 8px); min-width: 0; }
  .filters.open #use, .filters.open #material, .filters.open #sort { flex-basis: 100%; }
  .filters select { min-width: 0; max-width: 100%; }
  .range { font-size: .8rem; white-space: nowrap; }
  .range select, .range input { flex: 1; min-width: 0; }
  .site-header .lead { font-size: .85rem; margin-bottom: 12px; }
  .dim-help-body { grid-template-columns: 1fr; }
  .dim-help svg { max-width: 240px; margin: 0 auto; display: block; }

  /* カードは 1 列の横長：左に写真と傾向レーダー、右に情報 */
  .list { grid-template-columns: 1fr; gap: 10px; }
  .card { display: grid; grid-template-columns: 112px 1fr; }
  .card .thumbs { grid-template-columns: 1fr; border-bottom: 0; border-right: 1px solid var(--line); align-content: start; background: var(--surface); }
  .card .thumbs .thumb { aspect-ratio: 1; }
  .card-radar { border-top: 1px solid var(--line); padding: 2px 0; }
  .card-radar svg { width: 108px; height: 108px; }
  .card .body { padding: 10px; gap: 5px; min-width: 0; }
  .card h3 { font-size: .98rem; }
  .card .brand { font-size: .78rem; }
  .card-summary { font-size: .82rem; -webkit-line-clamp: 2; }
  .card .actions { flex-direction: row; padding-top: 4px; }
  .card .actions button { flex: 1; padding: 6px 8px; font-size: .85rem; }
  .dim { padding: 4px 5px; }
  .dim b { font-size: .92rem; }
}
@media (max-width: 360px) {
  .card { grid-template-columns: 92px 1fr; }
  .card-radar svg { width: 90px; height: 90px; }
}

/* 情報の確かさの印 */
.conf { display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: .7rem; color: var(--muted); }
.cf { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; cursor: help; }
.cf i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--line); }
.cf-hi i { background: var(--c3); }
.cf-mid i { background: #e0a100; }
.cf-lo i { background: var(--c2); }
.cf-na i { background: transparent; border: 1px solid var(--muted); }