.map-hero { padding: 38px 0 28px; }
.map-hero .eyebrow { color: var(--pink-strong); margin-bottom: 16px; }
.map-hero h1 { margin: 0; font: 500 clamp(2rem, 4.7vw, 3.8rem)/1.4 Georgia, "Yu Mincho", serif; letter-spacing: -.04em; }
.map-hero h1 em { display: inline-block; color: var(--pink-strong); font-style: normal; }
.map-hero > p:last-child { color: var(--ink-soft); font-size: .9rem; margin: 14px 0 0; }
.map-exhibit { border: 1px solid var(--line); border-radius: 22px; background: var(--white); overflow: hidden; }
.map-exhibit button { cursor: pointer; color: var(--ink); font: inherit; }
.map-layer-controls { padding: 9px 20px; display: flex; justify-content: flex-end; gap: 6px; align-items: center; border-top: 1px solid var(--line); font-size: .77rem; }
.map-layer-controls button { padding: 7px 16px; min-height: 40px; background: transparent; border: 1px solid transparent; border-radius: 7px; white-space: nowrap; }
.map-layer-controls button[aria-pressed="true"] { color: var(--white); background: var(--ink); border-color: var(--ink); }
.map-layer-controls #layers-mode { margin-left: 8px; border-color: var(--line); }
.map-layer-controls #layers-mode[aria-pressed="true"] { border-color: var(--ink); }

/* ブラウザの全画面APIを使わず、地図だけを表示領域いっぱいに広げる。 */
.map-layer-controls #map-fullscreen { margin-right: auto; border-color: var(--line); }
html.question-map-expanded { overflow: hidden; }
.map-exhibit.is-expanded { position: fixed; inset: 0; z-index: 1000; box-sizing: border-box; display: flex; flex-direction: column; width: 100%; height: 100vh; height: 100dvh; border: 0; border-radius: 0; padding-top: env(safe-area-inset-top); padding-bottom: env(safe-area-inset-bottom); }
.map-exhibit.is-expanded .map-layer-controls, .map-exhibit.is-expanded .map-bottom,
.map-exhibit.is-expanded .score-source, .map-exhibit.is-expanded .history-summary { flex-shrink: 0; }
.map-exhibit.is-expanded .map-viewport { flex: 1 1 0; height: auto; min-height: 0; overscroll-behavior: contain; }
.map-viewport { position: relative; height: clamp(440px, 66vh, 680px); overflow: hidden; isolation: isolate; background: #e8efed; touch-action: none; cursor: grab; }
.map-viewport.is-dragging { cursor: grabbing; }
#map-canvas, .map-labels, .map-cards { position: absolute; inset: 0; width: 100%; height: 100%; }
.map-labels, .map-cards { pointer-events: none; }
.map-label { position: absolute; left: 0; top: 0; white-space: nowrap; line-height: 1.4; padding: 0; color: #17201c; background: transparent; border: 0; pointer-events: auto; transform-origin: 0 0; -webkit-text-stroke: 1.4px #fff; paint-order: stroke fill; text-shadow: 0 0 2px #fff, 0 0 3px #fff; will-change: transform, opacity; }
.map-exhibit .map-label { font-weight: 700; line-height: 1.4; color: #17201c; background: transparent; }
.map-exhibit .map-label.is-term { font-weight: 500; }
.is-overview .map-corner, .is-overview .map-gesture-hint { visibility: hidden; }
.is-overview .map-label, .is-overview .map-card { visibility: hidden; }
.map-label.is-leaving, .map-card.is-leaving { pointer-events: none; }
.map-corner { position: absolute; top: 18px; left: 20px; display: flex; flex-direction: column; gap: 3px; pointer-events: none; font-size: .73rem; }
.map-name { font: 700 .65rem Arial, sans-serif; letter-spacing: .16em; }
#zoom-readout { color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.map-controls { position: absolute; right: 16px; top: 16px; z-index: 600; display: grid; gap: 1px; box-shadow: 0 4px 20px rgb(16 47 53 / 12%); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.map-controls button { width: 44px; height: 44px; border: 0; background: var(--white); font-size: 1.3rem; }
.map-controls button:hover { background: var(--paper-deep); }
.map-gesture-hint { position: absolute; bottom: 12px; left: 20px; margin: 0; color: var(--ink-soft); font-size: .68rem; pointer-events: none; background: rgb(255 254 249 / 80%); border-radius: 5px; padding: 3px 8px; }
.map-loading { position: absolute; inset: 0; display: grid; place-content: center; padding: 24px; text-align: center; color: var(--ink-soft); background: rgb(245 243 237 / 90%); }
.map-loading[hidden] { display: none; }
.map-loading button { justify-self: center; padding: 10px 22px; margin-top: 14px; border: 1px solid var(--ink); background: var(--white); border-radius: 8px; }
.map-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 20px; font-size: .73rem; border-top: 1px solid var(--line); }
.map-bottom p { margin: 0; }
.map-legend-tools { display: flex; align-items: center; gap: 12px; }
.heat-legend { display: flex; gap: 5px; align-items: center; white-space: nowrap; }
.neutral-dot { width: 9px; height: 9px; border-radius: 50%; background: #929d98; }
.heat-min { margin-left: 6px; }
.heat-min, .heat-max { min-width: 2.8em; text-align: center; font-variant-numeric: tabular-nums; }
.heat-gradient { width: 100px; height: 8px; margin-left: 0; border-radius: 10px; background: linear-gradient(90deg, #d45543, #e8ba4b, #51a180, #408bc0); }
.heat-range { display: inline-flex; flex-shrink: 0; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; font-size: .68rem; }
.heat-range button { padding: 4px 8px; min-height: 30px; line-height: 1.3; white-space: nowrap; border: 0; background: transparent; }
.heat-range button + button { border-left: 1px solid var(--line); }
.heat-range button[aria-pressed="true"] { background: var(--ink); color: var(--white); }
.history-summary { margin: 0; padding: 0 20px 13px; font-size: .73rem; color: var(--ink-soft); }
.map-exhibit .map-card { position: absolute; top: 0; left: 0; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: var(--card-lines, 7); overflow: hidden; padding: var(--card-padding, 12px); border: 1px solid rgb(145 165 152 / 65%); background: rgb(255 255 255 / var(--card-alpha, .84)); border-radius: 6px; box-shadow: 0 3px 12px rgb(16 47 53 / 8%); color: #17201c; font-weight: 500; line-height: var(--card-leading, 1.6); text-align: left; white-space: pre-wrap; overflow-wrap: anywhere; pointer-events: auto; touch-action: none; cursor: grab; transform-origin: 0 0; transition: opacity .22s linear; will-change: transform, opacity; }
.map-exhibit .map-card.is-selected { border-color: var(--mint-strong); }
.map-exhibit .map-card:hover, .map-exhibit .map-card:focus-visible { z-index: 500 !important; background: rgb(255 255 255 / 92%); box-shadow: 0 5px 18px rgb(16 47 53 / 18%); }
.is-dragging .map-card { cursor: grabbing; }
html.question-detail-open { overflow: hidden; }
.question-dialog { width: min(680px, calc(100% - 24px)); max-height: 84svh; padding: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: #fff; color: var(--ink); }
.question-dialog::backdrop { background: rgb(16 47 53 / 45%); }
.question-dialog .nearby-heading { padding: 16px 20px; border-bottom: 1px solid var(--line); }
.question-detail { max-height: calc(84svh - 80px); padding: 20px; overflow: auto; overscroll-behavior: contain; touch-action: pan-y; font-size: .9rem; line-height: 1.8; }
.detail-stats { margin: 0 0 14px; color: var(--ink-soft); font-size: .76rem; }
.question-dialog :focus-visible { outline: 3px solid var(--mint-strong); outline-offset: 2px; }
.nearby-link { border: 0; padding: 5px 0; min-height: 36px; background: transparent; text-decoration: underline; text-underline-offset: 4px; font-size: .74rem !important; }
.nearby-dialog { width: min(600px, calc(100% - 28px)); max-height: 80svh; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); color: var(--ink); overscroll-behavior: contain; }
.nearby-dialog::backdrop { background: rgb(16 47 53 / 45%); }
.nearby-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.nearby-heading h2 { margin: 0; font-size: 1.2rem; }
.nearby-heading button { min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); color: var(--ink); cursor: pointer; }
.nearby-dialog > p { font-size: .78rem; color: var(--ink-soft); }
.nearby-list button { display: block; width: 100%; text-align: left; padding: 13px; margin: 8px 0; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); color: var(--ink); font: inherit; font-size: .8rem; cursor: pointer; }
.nearby-list button small { display: block; color: var(--pink-strong); margin-bottom: 5px; }
.nearby-dialog :focus-visible { outline: 3px solid var(--mint-strong); outline-offset: 2px; }
.card-stem { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; font-weight: 600; }
.card-choices { padding-left: 24px; margin: 12px 0 0; }
.card-choices li { padding: 5px 0 5px 3px; white-space: pre-wrap; overflow-wrap: anywhere; }
.choice-correct { color: var(--mint-strong); font-weight: 700; }
.choice-explanation { display: block; color: var(--ink-soft); font-size: .74rem; font-weight: 400; margin-top: 3px; }
.card-explanation { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.card-explanation h3 { margin: 0 0 6px; font-size: .8rem; color: var(--mint-strong); }
.card-explanation p { margin: 10px 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.card-explanation summary { cursor: pointer; color: var(--mint-strong); padding: 8px 0; font-weight: 700; }
.card-source { color: var(--ink-soft); font-size: .68rem; margin: 12px 0; }
.card-tags { font-size: .7rem; color: var(--pink-strong); margin: 10px 0 0; }
.card-practice { display: inline-block; padding: 10px 0; margin-top: 10px; font-size: .84rem; font-weight: 700; color: var(--mint-strong); text-underline-offset: 4px; }
.score-source { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 0 20px 10px; font-size: .75rem; }
.score-source button { padding: 7px 12px; min-height: 40px; border: 1px solid var(--line); border-radius: 7px; background: transparent; }
.score-source button[aria-pressed="true"] { background: var(--ink); color: var(--white); border-color: var(--ink); }
.score-source .region-practice { margin-left: 16px; border-color: var(--mint-strong); color: var(--mint-strong); font-weight: 600; white-space: nowrap; }
.score-source .region-practice:disabled { opacity: .45; cursor: default; }
.region-dialog { box-sizing: border-box; width: min(560px, calc(100% - 24px)); max-height: 88svh; padding: 22px; overflow: auto; overscroll-behavior: contain; border: 1px solid var(--line); border-radius: 16px; background: var(--white); color: var(--ink); }
.region-dialog::backdrop { background: rgb(16 47 53 / 45%); }
.region-dialog > p { margin: 14px 0; font-size: .8rem; color: var(--ink-soft); }
.region-map { position: relative; height: clamp(180px, 28svh, 260px); margin-top: 14px; border-radius: 9px; overflow: hidden; background: #e8efed; }
#region-preview { display: block; width: 100%; height: 100%; cursor: grab; touch-action: none; }
#region-preview.is-dragging { cursor: grabbing; }
.region-zoom { position: absolute; right: 8px; top: 8px; display: flex; flex-direction: column; gap: 4px; }
.region-zoom button { width: 40px; height: 40px; padding: 0; border: 1px solid var(--line); border-radius: 7px; background: rgb(255 255 255 / 95%); color: var(--ink); font: inherit; font-size: 1.2rem; cursor: pointer; }
#region-hint { font-size: .7rem; line-height: 1.6; }
.region-start { display: block; padding: 12px; border-radius: 9px; background: var(--mint-strong); color: var(--white); text-align: center; text-decoration: none; font-size: .9rem; font-weight: 600; }
.region-start[aria-disabled="true"] { background: #e8efed; color: var(--ink-soft); cursor: default; }
.region-dialog :focus-visible { outline: 3px solid var(--mint-strong); outline-offset: 3px; }
#score-status { color: var(--ink-soft); }
#score-retry[hidden] { display: none; }
.map-guide { display: grid; grid-template-columns: 1fr 2fr; gap: 50px; margin: 52px 0 0; padding-top: 32px; border-top: 1px solid var(--line); }
.map-guide .eyebrow { color: var(--pink-strong); }
.map-guide h2 { font: 500 1.8rem/1.5 Georgia, "Yu Mincho", serif; margin: 0; }
.guide-details { color: var(--ink-soft); font-size: .84rem; }
.guide-details > p:first-child { margin-top: 0; }
.guide-details details { padding-top: 12px; }
.guide-details summary { cursor: pointer; color: var(--ink); }
.map-exhibit :focus-visible { outline: 3px solid var(--mint-strong); outline-offset: -3px; }
.map-viewport:focus-visible { outline: 3px solid var(--mint-strong); outline-offset: -3px; }
@media (max-width: 600px) {
  .map-hero { padding: 25px 0 22px; }
  .map-hero h1 { font-size: 1.95rem; }
  .map-hero > p:last-child { font-size: .8rem; }
  .desktop-break { display: none; }
  .map-layer-controls { padding: 5px 6px; gap: 4px; }
  .map-layer-controls button { flex: 1; padding: 7px; font-size: .75rem; }
  .map-layer-controls #layers-mode { margin-left: 4px; }
  .map-viewport { height: clamp(390px, 64svh, 580px); }
  .map-corner { left: 12px; top: 12px; }
  .map-controls { right: 10px; top: 10px; }
  .map-bottom { padding: 10px 12px; flex-wrap: wrap; font-size: .68rem; }
  .map-bottom > p { width: 100%; }
  .map-legend-tools { width: 100%; justify-content: flex-end; gap: 8px; font-size: .625rem; }
  .heat-legend { gap: 3px; }
  .neutral-dot { width: 6px; height: 6px; }
  .heat-min { margin-left: 3px; }
  .heat-gradient { width: 48px; }
  .heat-range { font-size: .625rem; }
  .heat-range button { min-height: 32px; padding: 4px 5px; }
  .score-source { padding: 0 12px 10px; gap: 6px; }
  .score-source .region-practice { margin-left: 6px; padding: 7px 9px; font-size: .7rem; }
  .region-dialog { padding: 18px; }
  .history-summary { padding: 0 12px 10px; font-size: .68rem; }
  .map-gesture-hint { left: 10px; bottom: 7px; font-size: .6rem; }
  .map-guide { grid-template-columns: 1fr; gap: 20px; margin-top: 35px; }
  .map-guide h2 br { display: none; }
}
@media (max-width: 360px) {
  .score-source button { padding: 7px 10px; }
  .map-legend-tools { gap: 5px; }
  .heat-gradient { width: 32px; }
  .heat-range button { padding: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  .map-label, .map-card { transition: none; }
}