/* 白い壁に写真を掛けるような、余白の多い画面 */
:root {
  --ink: #1b1b1b;
  --muted: #8c8c8c;
  --faint: #c9c9c9;
  --line: #e9e9e9;
  --bg: #fff;
  --pad: clamp(16px, 6vw, 104px);
  --gap: 48px;
  --serif: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Noto Serif JP", "Times New Roman", serif;
  --sans: "Yu Gothic Medium", "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 13px; line-height: 1.7; letter-spacing: .04em;
}
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; letter-spacing: inherit; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }
:focus-visible { outline: 1px solid var(--ink); outline-offset: 4px; }

.site-header {
  display: flex; align-items: baseline; justify-content: space-between; gap: 24px;
  padding: clamp(28px, 6vw, 72px) var(--pad) 0;
}
.site-title { margin: 0; font-family: var(--serif); font-weight: 400; font-size: clamp(17px, 2vw, 22px); letter-spacing: .28em; }
.header-tools { display: flex; gap: 28px; white-space: nowrap; }
.header-tools button { color: var(--muted); padding: 6px 0; border-bottom: 1px solid transparent; }
.header-tools button:hover { color: var(--ink); }
.header-tools button[aria-expanded="true"], .header-tools button[aria-pressed="true"] { color: var(--ink); border-bottom-color: var(--ink); }
.header-tools .dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--ink); margin-left: 6px; vertical-align: middle; }

.cats {
  display: flex; gap: 6px 30px; flex-wrap: wrap;
  padding: clamp(22px, 4vw, 44px) var(--pad) 0;
  font-family: var(--serif); font-size: 14px;
}
.cats button { color: var(--muted); padding: 4px 0; border-bottom: 1px solid transparent; white-space: nowrap; }
.cats button:hover { color: var(--ink); }
.cats button.on { color: var(--ink); border-bottom-color: var(--ink); }
.subcats { padding-top: 12px; font-size: 13px; gap: 4px 24px; }

.filters {
  margin: 28px var(--pad) 0; padding: 22px 0 10px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.f-row { display: flex; gap: 18px; padding: 5px 0; align-items: baseline; }
.f-label { flex: 0 0 3.5em; color: var(--muted); font-size: 12px; }
.f-chips { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.f-chips button { padding: 3px 0; color: var(--ink); border-bottom: 1px solid transparent; }
.f-chips button:hover { border-bottom-color: var(--faint); }
.f-chips button.on { border-bottom-color: var(--ink); }
.f-chips button.zero { color: var(--faint); }
.f-chips small { color: var(--muted); font-size: 11px; margin-left: .3em; }

.map-wrap { margin: 28px var(--pad) 0; }
#map { height: min(62vh, 560px); background: #f4f4f4; z-index: 0; }
.map-hint { margin: 10px 0 0; color: var(--muted); font-size: 12px; }
.leaflet-container { font: inherit; }
.leaflet-tile-pane { filter: grayscale(1) contrast(.92) brightness(1.06); }
.pin {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--ink); color: #fff; border: 2px solid #fff;
  display: grid; place-items: center; font-size: 11px; letter-spacing: 0;
  box-shadow: 0 1px 4px rgba(0,0,0,.35); transition: transform .15s;
}
.pin:hover { transform: scale(1.15); }
.pin.on { background: #b3261e; transform: scale(1.25); }
.leaflet-tooltip { border: 0; border-radius: 0; box-shadow: 0 1px 6px rgba(0,0,0,.2); color: var(--ink); padding: 4px 10px; font-size: 12px; }
.leaflet-tooltip::before { display: none; }

.status {
  margin: 0; padding: clamp(22px, 3.4vw, 40px) var(--pad) 0;
  color: var(--muted); font-size: 12px; min-height: 1em;
  display: flex; flex-wrap: wrap; gap: 4px 18px; align-items: baseline;
}
.status .clear { color: var(--ink); border-bottom: 1px solid var(--faint); }

.grid {
  display: flex; align-items: flex-start; gap: var(--gap);
  padding: clamp(20px, 3vw, 36px) var(--pad) 0; max-width: 1900px; margin: 0 auto;
}
.col { flex: 1 1 0; min-width: 0; display: flex; flex-direction: column; gap: var(--gap); }
.tile { display: block; position: relative; background: #f3f3f3; overflow: hidden; }
.tile img { display: block; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .6s ease, filter .3s ease; }
.tile img.ready { opacity: 1; }
.tile:hover img { filter: brightness(1.06); }

.empty { text-align: center; color: var(--muted); padding: 18vh var(--pad); font-family: var(--serif); font-size: 14px; }
.site-footer { padding: clamp(72px, 12vw, 160px) var(--pad) 48px; color: var(--faint); font-size: 11px; text-align: center; letter-spacing: .2em; }

/* 拡大表示 */
.lb { position: fixed; inset: 0; background: #fff; z-index: 1000; display: grid; place-items: center; }
.lb-fig {
  margin: 0; width: 100%; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 56px clamp(12px, 7vw, 120px) 22px;
}
.lb-fig img {
  display: block; max-width: 100%; max-height: calc(100dvh - 56px - 78px); width: auto; height: auto;
  object-fit: contain; background: #f3f3f3;
}
.lb-fig figcaption { height: 56px; padding-top: 16px; text-align: center; line-height: 1.6; flex: none; }
.lb-date { display: block; font-size: 12px; color: #555; letter-spacing: .12em; }
.lb-place { display: block; font-size: 10.5px; color: var(--muted); letter-spacing: .08em; }
.lb-close { position: absolute; top: 14px; right: clamp(12px, 3vw, 36px); padding: 10px; color: var(--muted); font-size: 12px; z-index: 2; }
.lb-close:hover { color: var(--ink); }
.lb-nav { position: absolute; top: 56px; bottom: 78px; width: clamp(44px, 7vw, 120px); color: var(--faint); font-size: 34px; font-family: var(--serif); z-index: 1; }
.lb-nav:hover { color: var(--ink); }
.lb-prev { left: 0; }
.lb-next { right: 0; }
.lb-nav[disabled] { visibility: hidden; }
body.lb-open { overflow: hidden; }

@media (max-width: 1099px) { :root { --gap: 32px; } }
@media (max-width: 640px) {
  :root { --gap: 10px; --pad: 14px; }
  body { font-size: 13px; }
  .site-header { padding-top: 26px; }
  .site-title { letter-spacing: .2em; }
  .header-tools { gap: 20px; }
  .cats { flex-wrap: nowrap; overflow-x: auto; gap: 22px; scrollbar-width: none; margin-right: 0; padding-right: 14px; }
  .cats::-webkit-scrollbar { display: none; }
  .f-row { gap: 12px; }
  .f-chips { gap: 6px 16px; }
  .f-chips button { padding: 5px 0; }
  #map { height: 52vh; }
  .lb-fig { padding: 50px 0 14px; }
  .lb-fig img { max-height: calc(100dvh - 50px - 76px); }
  .lb-nav { width: 30%; }
  .lb-nav span { display: none; }
}