:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --ink: #1c1b19;
  --muted: #6b675f;
  --line: #e2ded5;
  --accent: #c2410c;
  --accent-ink: #ffffff;
  --side: #2563eb;
  --side-hi: #c2410c;
  --radius: 12px;
  --shadow: 0 1px 2px rgb(0 0 0 / .06), 0 4px 16px rgb(0 0 0 / .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141412;
    --surface: #1e1d1b;
    --ink: #ece9e2;
    --muted: #a19c92;
    --line: #34322e;
    --accent: #f97316;
    --accent-ink: #1a0d04;
    --side: #60a5fa;
    --side-hi: #fb923c;
    --shadow: none;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #141412; --surface: #1e1d1b; --ink: #ece9e2; --muted: #a19c92;
  --line: #34322e; --accent: #f97316; --accent-ink: #1a0d04;
  --side: #60a5fa; --side-hi: #fb923c; --shadow: none; color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0; line-height: 1.2; }

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 16px; max-width: 1200px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; }
.mark {
  width: 34px; height: 34px; border-radius: 9px; background: var(--accent);
  position: relative; flex: none;
}
.mark::after {
  content: ""; position: absolute; left: 8px; right: 8px; top: 15px; height: 4px;
  border-radius: 2px; background: var(--accent-ink);
}
h1 { font-size: 1.2rem; letter-spacing: -.01em; }
.tag { margin: 2px 0 0; color: var(--muted); font-size: .9rem; }
.cities {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  max-width: 1200px; margin: 0 auto 12px; padding: 0 16px;
}
.city-label { color: var(--muted); font-size: .9rem; }
#city {
  font: inherit; font-weight: 600; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; cursor: pointer;
}
.hint a { color: inherit; }

.notice {
  position: relative; margin: 0 0 12px; padding: 14px 40px 14px 16px;
  border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface);
  box-shadow: var(--shadow);
}
.notice.warn {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: color-mix(in srgb, var(--accent) 9%, var(--surface));
}
.notice p { margin: 0; color: var(--muted); }
.notice .notice-h { color: var(--ink); font-weight: 700; font-size: 1.05rem; margin-bottom: 2px; }
.notice-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.notice-actions .btn, .notice-actions button { padding: 7px 12px; font-size: .9rem; }
.notice .close {
  position: absolute; top: 8px; right: 8px; background: none; color: var(--muted);
  padding: 4px 8px; font-size: 1.2rem; line-height: 1;
}

main {
  display: grid; gap: 16px; padding: 0 16px; max-width: 1200px; margin: 0 auto;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 900px) {
  main { grid-template-columns: minmax(0, 1fr) 380px; align-items: start; }
  .panel { position: sticky; top: 16px; }
}

.search { display: flex; gap: 8px; }
.search input {
  flex: 1; min-width: 0; font: inherit; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px;
}
button, .btn {
  font: inherit; font-weight: 600; border: 0; border-radius: 10px; cursor: pointer;
  padding: 10px 16px; background: var(--accent); color: var(--accent-ink);
  text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
button.ghost, .btn.ghost {
  background: var(--surface); color: var(--ink); border: 1px solid var(--line);
}
button:focus-visible, .btn:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.status { min-height: 1.4em; margin: 8px 2px; color: var(--muted); font-size: .9rem; }
.status:empty { min-height: 0; margin: 6px 0; }

#map {
  height: 58vh; min-height: 340px; border-radius: var(--radius);
  border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--surface);
}
@media (min-width: 900px) { #map { height: 72vh; } }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .leaflet-tile { filter: brightness(.7) invert(1) contrast(.9) hue-rotate(200deg) saturate(.3); }
}

.panel {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px;
}
.intro h2 { font-size: 1rem; margin-bottom: 8px; }
.intro ol { margin: 0; padding-left: 1.2em; color: var(--muted); }
.intro li + li { margin-top: 6px; }

.nearby { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.nearby button {
  width: 100%; text-align: left; display: block; font-weight: 400;
  background: var(--bg); color: var(--ink); border: 1px solid var(--line); padding: 10px 12px;
}
.nearby button:hover { border-color: var(--accent); }
.nearby .st { font-weight: 600; }
.nearby .sub { color: var(--muted); font-size: .85rem; }
.nearby-h { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 8px; }

.detail h2 { font-size: 1.25rem; }
.detail .limits { color: var(--muted); margin: 4px 0 0; }
.pill {
  display: inline-block; margin-top: 10px; padding: 3px 10px; border-radius: 999px;
  background: color-mix(in srgb, var(--side-hi) 16%, transparent); color: var(--ink);
  font-size: .85rem; font-weight: 600;
}
.detail h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 18px 0 6px; }
.detail ul { margin: 0; padding: 0; list-style: none; }
.detail li { padding: 6px 0; border-bottom: 1px solid var(--line); }
.detail li:last-child { border-bottom: 0; }
.actions { display: grid; gap: 8px; margin-top: 18px; }
.actions .row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.hint { color: var(--muted); font-size: .82rem; margin: 10px 0 0; }
.back { background: none; color: var(--muted); padding: 0; font-weight: 400; margin-bottom: 10px; }

.foot {
  max-width: 1200px; margin: 20px auto 32px; padding: 0 16px; color: var(--muted); font-size: .85rem;
}
.foot p { margin: 4px 0; }
.foot a { color: inherit; }