:root {
  --bg: #fbf8f4;
  --fg: #231a18;
  --muted: #6d5f5a;
  --surface: #ffffff;
  --line: #d9cbc4;
  --accent: #b3141b;      /* 麻婆の赤 */
  --accent-fg: #ffffff;
  --sansho: #2e7d4f;      /* 山椒の緑 */
  --ramp-lo: #f7d9cc;
  --ramp-hi: #7d0d12;
  --grid: #e8dcd5;
  --guide: rgba(46, 125, 79, .55);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161110; --fg: #f3e9e5; --muted: #b7a8a2; --surface: #221a18; --line: #4a3a36;
    --accent: #ff6a5e; --accent-fg: #1a0b0a; --sansho: #6fcf97;
    --ramp-lo: #4a2a26; --ramp-hi: #ff8a78; --grid: #2f2421; --guide: rgba(111, 207, 151, .6);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font-family: system-ui, "Hiragino Sans", "Yu Gothic UI", sans-serif; }
body { overflow-x: hidden; }
.muted { color: var(--muted); font-size: .85rem; }

.top { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 10px 16px; max-width: 960px; margin: 0 auto; }
h1, .brand { font-size: 1.15rem; margin: 0; letter-spacing: .04em; font-weight: 700; color: var(--fg); text-decoration: none; }
h1::before, .brand::before { content: ""; display: inline-block; width: .7em; height: .7em; border-radius: 50%; background: var(--accent); margin-right: .45em; }
body[data-view="landing"] .brand { visibility: hidden; }
.menu { position: relative; }
.menu summary { list-style: none; display: inline-block; user-select: none; }
.menu summary::-webkit-details-marker { display: none; }
.menu-pop { position: absolute; right: 0; top: calc(100% + 6px); z-index: 1500; display: grid; gap: 6px; min-width: 9em; padding: 8px; background: var(--surface); border: 1px solid var(--accent); border-radius: 10px; box-shadow: 0 4px 14px rgba(0,0,0,.25); }
.tabs { display: flex; gap: 6px; margin-bottom: 8px; }
.tabs button { flex: 1; padding: 9px 0; border: 1px solid var(--accent); background: var(--surface); color: var(--accent); border-radius: 8px; font-size: 1rem; cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--accent); color: var(--accent-fg); }

.btn { padding: 7px 12px; border: 1px solid var(--accent); background: var(--surface); color: var(--accent); border-radius: 8px; font-size: .92rem; cursor: pointer; font-family: inherit; }
.btn.primary { background: var(--accent); color: var(--accent-fg); }
.btn[aria-pressed="true"] { border-color: var(--sansho); color: var(--sansho); }
.btn:disabled { background: #dcdcdc; color: #888; border-color: #c8c8c8; cursor: not-allowed; }
.btn.danger { border-color: var(--accent); }
button:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--sansho); outline-offset: 2px; }

main { max-width: 960px; margin: 0 auto; padding: 0 16px 32px; }
[hidden] { display: none !important; }

.chart-wrap { max-width: 640px; margin: 0 auto; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
#chart { width: 100%; height: auto; display: block; touch-action: manipulation; }
#chart text { fill: var(--fg); font-family: inherit; }
#chart .tick { fill: var(--muted); font-size: 11px; }
#chart .axname { font-size: 16px; font-weight: 700; }
#chart .guide { fill: var(--guide); font-size: 12px; font-weight: 600; }
#chart .lbl { font-size: 11px; paint-order: stroke; stroke: var(--surface); stroke-width: 3px; stroke-linejoin: round; }
#chart .leader { stroke: var(--muted); stroke-width: .8; pointer-events: none; }
#chart .dot { stroke: var(--surface); stroke-width: 1.5; cursor: pointer; }
#chart .dot.sample { stroke-dasharray: 3 2; stroke: var(--fg); stroke-width: 1; }
#chart .ring { fill: none; stroke: var(--sansho); stroke-width: 3; pointer-events: none; }
#chart .hit { fill: transparent; cursor: pointer; }
#chart .shop { transition: opacity .12s; }
#chart.focus .shop { opacity: .16; }
#chart.focus .shop.on { opacity: 1; }
#chart .shop.on .dot { stroke: var(--accent); stroke-width: 3; stroke-dasharray: none; }
#chart .shop.on .leader { stroke: var(--accent); stroke-width: 1.4; }
#chart .shop.on .lbl { font-weight: 700; }

#map { height: min(62vh, 520px); min-height: 320px; border: 1px solid var(--line); border-radius: 12px; z-index: 0; }
.pin { width: 22px; height: 22px; border-radius: 50%; border: 3px solid #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.5), 0 1px 4px rgba(0,0,0,.4); }
.pin.sample { border-style: dashed; }
.pin.hl { box-shadow: 0 0 0 4px var(--sansho); }

.card { margin-top: 12px; padding: 14px; background: var(--surface); border: 1px solid var(--line); border-left: 6px solid var(--accent); border-radius: 12px; }
.card h2 { font-size: 1.05rem; margin: 0 0 4px; }
.badge { display: inline-block; font-size: .72rem; padding: 1px 8px; border: 1px solid var(--sansho); color: var(--sansho); border-radius: 999px; margin-left: 6px; vertical-align: middle; font-weight: 600; }
.bars { display: grid; grid-template-columns: 4.5em 1fr 2.4em; gap: 4px 8px; align-items: center; margin: 10px 0; font-size: .9rem; }
.bars .bar { height: 8px; border-radius: 4px; background: var(--grid); overflow: hidden; }
.bars .bar b { display: block; height: 100%; background: var(--accent); }
.bars .v { text-align: right; font-variant-numeric: tabular-nums; }
.card p { margin: 6px 0; overflow-wrap: anywhere; }
.card .sum { font-variant-numeric: tabular-nums; }
.btn { text-decoration: none; display: inline-block; text-align: center; }
.card .row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.card a { color: var(--sansho); overflow-wrap: anywhere; }

dialog { width: min(560px, calc(100vw - 24px)); max-height: calc(100vh - 24px); overflow-y: auto; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); color: var(--fg); }
dialog::backdrop { background: rgba(0, 0, 0, .5); }
dialog h2 { margin: 0 0 8px; font-size: 1.1rem; }
.f { display: block; margin: 10px 0; font-size: .9rem; color: var(--muted); }
.f input, .f textarea { display: block; width: 100%; margin-top: 4px; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg); font: inherit; }
.sg-wrap { position: relative; display: block; }
#suggest { position: absolute; left: 0; right: 0; top: 100%; z-index: 5; margin: 2px 0 0; padding: 4px; list-style: none; background: var(--surface); border: 1px solid var(--accent); border-radius: 8px; box-shadow: 0 4px 14px rgba(0,0,0,.25); }
#suggest li { padding: 9px 8px; border-radius: 6px; color: var(--fg); font-size: .95rem; cursor: pointer; overflow-wrap: anywhere; }
#suggest li[aria-selected="true"], #suggest li:hover { background: var(--accent); color: var(--accent-fg); }
#suggest .badge { color: inherit; border-color: currentColor; }
.slider { display: grid; grid-template-columns: 4.5em 1fr 2.4em; align-items: center; gap: 8px; margin: 6px 0; font-size: .92rem; }
.slider input { width: 100%; accent-color: var(--accent); }
.slider output { text-align: right; font-variant-numeric: tabular-nums; }
.addr-row { display: flex; gap: 6px; align-items: stretch; margin-top: 4px; }
.addr-row input { flex: 1; min-width: 0; margin-top: 0; }
.addr-row .btn, .search-row .btn { flex: none; }
.search-row { display: flex; gap: 6px; align-items: stretch; margin: 0 0 8px; }
.search-row input { flex: 1; min-width: 0; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--fg); font: inherit; }
.loc-row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 4px 0 6px; }
#pick-map { height: 220px; border: 1px solid var(--line); border-radius: 10px; z-index: 0; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }

#toast { position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%); max-width: calc(100vw - 32px); padding: 8px 14px; background: var(--fg); color: var(--bg); border-radius: 999px; font-size: .9rem; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 2000; }
#toast.show { opacity: 1; }

.landing { max-width: 520px; margin: 0 auto; padding-top: 12vh; text-align: center; }
.landing h1 { font-size: 1.9rem; margin-bottom: 6px; }
.landing .lead { margin: 0 0 20px; color: var(--muted); }
.landing .search-row input { padding: 12px; font-size: 1rem; }
.landing .search-row .btn { padding: 12px 18px; font-size: 1rem; }
.here-btn { width: 100%; padding: 11px; font-size: 1rem; }
.near-title { font-size: 1.1rem; margin: 4px 0 10px; overflow-wrap: anywhere; }
.near-title .muted { font-weight: 400; margin-left: .3em; }
.radius { display: flex; gap: 6px; margin: 0 0 10px; }
.radius .btn { flex: 1; padding: 7px 0; }
.radius .btn[aria-pressed="true"] { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.empty { margin-top: 8px; }
.empty .row { margin-top: 10px; }
.shop-list { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 6px; }
.shop-list a { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding: 10px 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; color: var(--fg); text-decoration: none; }
.shop-list a:hover { border-color: var(--accent); }
.shop-list .nm { overflow-wrap: anywhere; }
.shop-list .meta { flex: none; color: var(--muted); font-size: .85rem; white-space: nowrap; font-variant-numeric: tabular-nums; }
#near-found > .card { margin-top: 10px; }
#view-shop .card { margin-top: 10px; }
#view-shop .row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
#shop-map { height: 220px; margin-top: 10px; border: 1px solid var(--line); border-radius: 12px; z-index: 0; }
#view-near, #view-shop { max-width: 640px; margin: 0 auto; }

/* β版バッジ（タイトルの横に小さく） */
.beta { display: inline-block; margin-left: .4em; padding: 0 .4em; font-size: .6em; font-weight: 700; line-height: 1.5; letter-spacing: 0; vertical-align: .25em; color: var(--accent); border: 1px solid var(--accent); border-radius: 999px; }