:root {
  font-family: "Noto Sans JP", "Yu Gothic", system-ui, sans-serif;
  color: #17233a;
  background: #f4f1ea;
  --navy: #142944;
  --gold: #d7aa58;
  --muted: #687386;
  --line: #ddd8cc;
  --paper: #fffdf8;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
.catalog-header { padding: 26px max(20px, calc((100% - 1080px) / 2)) 54px; color: white; background: linear-gradient(125deg, #10233d, #234a68); }
.catalog-header nav { display: flex; justify-content: space-between; padding-bottom: 22px; border-bottom: 1px solid rgb(255 255 255 / 16%); font-size: .72rem; letter-spacing: .12em; }
.catalog-header a { color: rgb(255 255 255 / 75%); text-decoration: none; }
.eyebrow { margin: 45px 0 12px; color: #e3bf79; font-size: .65rem; font-weight: 800; letter-spacing: .2em; }
h1, h2 { font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; }
h1 { margin: 0; font-size: clamp(2rem, 6vw, 4rem); font-weight: 500; }
.catalog-header > p:last-child { max-width: 660px; margin: 18px 0 0; color: rgb(255 255 255 / 65%); font-size: .82rem; line-height: 1.8; }
main { width: min(1080px, calc(100% - 40px)); margin: auto; padding: 34px 0 80px; }
.catalog-summary { display: grid; grid-template-columns: auto 1fr; align-items: baseline; gap: 0 8px; padding: 18px 20px; border-left: 3px solid var(--gold); background: var(--paper); }
.catalog-summary strong { font-family: Georgia, serif; font-size: 2rem; }
.catalog-summary span { color: var(--muted); font-size: .75rem; }
.catalog-summary p { grid-column: 1 / -1; margin: 8px 0 0; color: var(--muted); font-size: .68rem; line-height: 1.7; }
.catalog-controls { display: grid; grid-template-columns: auto 1fr minmax(190px, .7fr); align-items: end; gap: 15px; margin: 24px 0; }
.filter-group { display: flex; overflow-x: auto; gap: 5px; scrollbar-width: none; }
.filter-group::-webkit-scrollbar { display: none; }
.filter-button { flex: 0 0 auto; min-height: 38px; border: 1px solid var(--line); padding: 7px 11px; color: var(--muted); background: var(--paper); font-size: .68rem; cursor: pointer; }
.filter-button.is-active { border-color: var(--navy); color: white; background: var(--navy); }
.search-label { display: grid; gap: 5px; color: var(--muted); font-size: .65rem; }
.search-label input { min-height: 38px; border: 1px solid var(--line); border-radius: 0; padding: 7px 10px; background: var(--paper); font: inherit; }
.visible-count { margin: 0 0 14px; color: #8a703d; font-size: .72rem; }
.catalog { display: grid; gap: 15px; }
.area-group { border: 1px solid var(--line); background: var(--paper); }
.area-group summary { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; cursor: pointer; }
.area-group summary h2 { margin: 0; font-size: 1.05rem; }
.area-group summary span { color: var(--muted); font-size: .65rem; }
.spot-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--line); padding: 8px 18px 18px 36px; column-gap: 35px; }
.spot-list li { padding: 9px 0; border-bottom: 1px dotted #e2ded5; font-size: .74rem; line-height: 1.45; }
.sources { margin-top: 44px; padding-top: 25px; border-top: 1px solid var(--line); }
.sources h2 { font-size: 1.15rem; }
.sources ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 30px; padding-left: 20px; }
.sources a { color: #3c6482; font-size: .7rem; }
@media (max-width: 720px) {
  .catalog-controls { grid-template-columns: 1fr; }
  .spot-list, .sources ul { grid-template-columns: 1fr; }
  .spot-list { padding-left: 34px; }
}