:root{color-scheme:dark;--bg:#0b0f14;--panel:#111922;--line:#2d3945;--text:#f2f4f6;--muted:#a8b7c5;--accent:#ff8a45;--focus:#8fd0ff;font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP","Noto Sans CJK JP","Yu Gothic",Meiryo,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:4px}button:disabled{cursor:default}button{color:inherit;background:transparent;border:1px solid var(--line)}[hidden]{display:none!important}.skip-link{position:fixed;top:-100px;left:16px;z-index:100;background:var(--accent);color:#111;padding:12px}.skip-link:focus{top:10px}
.app-header{height:88px;display:flex;align-items:center;gap:28px;padding:0 32px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;flex:none;font-weight:650;font-size:20px;letter-spacing:.025em}.brand small{display:block;font-size:12px;font-weight:400;color:var(--muted);letter-spacing:.12em;margin-top:3px}.brand-mark{width:38px;height:38px;display:grid;place-items:center;background:var(--accent);color:#0b0f14;border-radius:10px;font-size:25px}.review-tag{margin-left:auto;font-size:13px;color:#c8d1da;border:1px solid #53606c;padding:5px 12px;border-radius:5px;white-space:nowrap}#breadcrumbs{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--muted)}#breadcrumbs a{padding:12px 2px}#breadcrumbs a:hover{color:var(--text)}#breadcrumbs [aria-current]{color:var(--text)}.crumb-separator{color:#657380}
main{min-height:calc(100dvh - 124px);outline:none}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:28px;padding:28px 32px 24px;max-width:2000px;margin:auto;min-height:calc(100dvh - 124px)}.scene-column{min-width:0;display:flex;flex-direction:column;justify-content:center}.scene-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:22px}.kicker{display:block;font-size:12px;letter-spacing:.13em;color:var(--muted);margin-bottom:8px}.scene-heading h1{font-size:clamp(25px,2.3vw,40px);font-weight:550;line-height:1.4;letter-spacing:.01em;margin:0}.scene-heading p{margin:8px 0 0;color:var(--muted);font-size:15px}.map-shell{position:relative;border-radius:12px;overflow:hidden;background:#dff0fa;isolation:isolate}.map-image{width:100%;height:auto;display:block}.map-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.map-lines line{vector-effect:non-scaling-stroke;stroke-linecap:round}.map-line-outer{stroke:#0b0f14;stroke-width:3}.map-line-inner{stroke:#f2f5f8;stroke-width:1.4;filter:drop-shadow(0 0 1px #0b0f14)}.map-pin{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);border:1px solid #93a5b3;background:#101922f0;box-shadow:0 3px 16px #0005;border-radius:6px;padding:10px 13px;min-height:44px;font-size:clamp(12px,1.02vw,18px);white-space:nowrap;line-height:1.2;transition:background .16s,border-color .16s}.map-pin:hover,.map-pin:focus-visible{background:#ff8a45;color:#10161c;border-color:#ffc8a6;z-index:5}.map-pin::after{content:'›';padding-left:9px;color:var(--accent)}.map-pin:hover::after{color:inherit}.scene-caption{display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:13px;line-height:1.7;margin-top:15px}.scene-caption p{margin:0}.scene-caption .meta{white-space:nowrap;font-variant-numeric:tabular-nums;letter-spacing:.03em}
.side-panel{min-width:0;padding-left:24px;border-left:1px solid var(--line);display:flex;flex-direction:column}.panel-heading{font-size:19px;font-weight:550;margin:0 0 8px}.panel-caption{font-size:14px;line-height:1.6;margin:0 0 17px;color:var(--muted)}.field-list{display:grid;gap:2px}.field-link{display:flex;gap:13px;align-items:center;padding:11px 8px;border-bottom:1px solid #26323d;min-height:56px;transition:background .16s}.field-link:hover{background:#1c2936}.field-link strong{font-size:16px;font-weight:500;display:block;line-height:1.4}.field-link small{font-size:12px;color:var(--muted);display:block;margin-top:4px}.field-number{font-size:12px;color:#a8b7c5;letter-spacing:.07em;width:23px;flex:none}.field-link .arrow{margin-left:auto;color:var(--accent);font-size:22px}.review-note{margin-top:auto;padding-top:22px;color:var(--muted);font-size:13px;line-height:1.7}.review-note strong{font-weight:500;color:#e3e8ec}.app-credit{min-height:36px;display:flex;justify-content:space-between;gap:12px;align-items:center;padding:8px 32px;background:#151e27;color:#aebcc8;border-top:1px solid var(--line);font-size:12px;line-height:1.5}
.back-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:15px;border:1px solid var(--line);border-radius:6px;padding:8px 14px;white-space:nowrap}.back-link:hover{background:#1c2936}.view-enter{animation:enter .3s ease-out}@keyframes enter{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(min-width:1600px){.workspace{grid-template-columns:minmax(0,1fr) 410px;gap:36px;padding:36px 42px 28px}.side-panel{padding-left:32px}.field-link{padding:14px 10px;min-height:67px}.field-link strong{font-size:19px}.field-link small{font-size:14px}.map-pin{font-size:18px;padding:13px 16px}.panel-heading{font-size:24px}.panel-caption{font-size:16px}.review-note{font-size:15px}}
@media(max-width:1100px){.workspace{grid-template-columns:minmax(0,1fr) 280px;padding:22px;gap:20px}.side-panel{padding-left:18px}.app-header{padding:0 22px;gap:20px}.map-pin{padding:7px 8px;font-size:12px}.map-pin::after{padding-left:5px}.field-link strong{font-size:15px}#breadcrumbs{font-size:13px;gap:8px}.scene-caption .meta{display:none}}
@media(max-width:800px){.app-header{height:auto;min-height:78px;flex-wrap:wrap;padding:14px 18px;gap:12px}.brand{font-size:18px}.brand-mark{width:32px;height:32px;font-size:22px}.review-tag{order:1}.brand{order:0}#breadcrumbs{order:2;width:100%;flex-wrap:wrap;gap:8px;font-size:13px}#breadcrumbs a{padding:4px 0}.workspace{display:flex;flex-direction:column;padding:22px 16px;gap:26px;min-height:0}.scene-heading{align-items:flex-start;margin-bottom:16px}.scene-heading h1{font-size:26px}.scene-heading p{font-size:14px}.map-pin,.map-lines{display:none}.side-panel{padding:0;border:0}.field-list{grid-template-columns:1fr 1fr;gap:0 12px}.field-link{padding:12px 2px;gap:8px;min-height:72px}.field-link strong{font-size:14px}.field-link small{font-size:12px}.field-number{width:18px}.panel-heading{font-size:21px}.review-note{margin-top:10px;padding:14px 0 0;border-top:1px solid var(--line)}.app-credit{padding:12px 16px;flex-direction:column;align-items:flex-start;gap:3px}.scene-caption{font-size:12px}.back-link{font-size:13px;padding:8px 10px}main{min-height:0}}
.field-workspace .scene-column{justify-content:flex-start}.field-map{margin-top:auto}.field-switch{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;margin-bottom:auto}.field-switch a{font-size:13px;color:var(--muted);padding:9px 11px;border:1px solid var(--line);border-radius:5px;min-height:38px;display:flex;align-items:center}.field-switch a[aria-current]{background:#263340;color:var(--text);border-color:#718497}.case-ring{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);width:58px;height:58px;border:3px solid #ff8a45;border-radius:50%;background:#ff8a4528;box-shadow:0 0 0 5px #111a23dd,0 0 0 7px #ffbc8555;display:grid;place-items:center;color:#fff;font-size:17px;font-weight:650}.case-ring span{display:grid;place-items:center;background:#101922eb;min-width:30px;min-height:30px;border-radius:50%}.ready-ring:hover{background:#ff8a45aa;box-shadow:0 0 0 6px #111a23,0 0 0 9px #ffbc85}.field-map #place-caption{position:absolute;bottom:0;left:0;right:0;background:#101922e8;color:#f3f5f7;font-size:15px;line-height:1.6;margin:0;padding:12px 18px;border-top:1px solid #526171}.case-filters{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}.case-filters button{font-size:13px;min-height:40px;border-radius:5px;padding:6px 10px}.case-filters button[aria-pressed=true]{color:#ffb88d;border-color:#e49362;background:#ff8a4514}.case-list{max-height:calc(100dvh - 520px);min-height:210px;overflow:auto;overscroll-behavior:contain;scrollbar-color:#566778 transparent;scrollbar-width:thin;border-top:1px solid var(--line)}.case-row{border-bottom:1px solid var(--line)}.case-choice{border:0;display:flex;align-items:center;width:100%;min-height:58px;gap:11px;text-align:left;font-size:15px;line-height:1.5;padding:10px 9px}.case-choice:hover{background:#1c2936}.case-choice[aria-pressed=true]{background:#ff8a451c;color:#ffbc92;box-shadow:inset 3px 0 var(--accent)}.case-number{font-size:13px;color:#9caebb;flex:none;width:24px}.choice-mark{color:var(--muted);margin-left:auto}.ready-label{font-size:12px;color:#ffb385;display:block;margin-top:3px}.selection-detail{padding-top:22px;margin-top:auto}.selected-meta{font-size:12px;color:var(--muted);letter-spacing:.06em}.selection-detail h3{font-size:22px;line-height:1.5;font-weight:550;margin:8px 0}.selection-detail p{font-size:14px;color:var(--muted);line-height:1.6;margin:7px 0}.selection-detail .preparing{border-top:1px solid var(--line);padding-top:14px;margin-top:14px}.primary-action{display:flex;align-items:center;justify-content:space-between;background:var(--accent);color:#111821;padding:15px 18px;min-height:55px;border-radius:6px;margin-top:18px;font-size:17px;font-weight:600}.primary-action:hover{background:#ffa369}.selection-detail .available-note{font-size:12px;margin-top:9px}.detail-view{padding:14px 0 0}.detail-return{display:flex;gap:18px;align-items:center;padding:0 32px 10px}.detail-return .kicker{margin:0}.detail-view iframe{display:block;border:0;width:100%;height:max(580px,calc(100dvh - 195px));background:#05080b}.field-workspace .scene-caption{margin-bottom:0}
@media(min-width:1600px){.case-choice{font-size:18px;min-height:65px}.case-list{max-height:calc(100dvh - 540px)}.selection-detail h3{font-size:26px}.selection-detail p{font-size:16px}.case-filters button{font-size:15px}.primary-action{font-size:20px}.field-switch a{font-size:15px}.field-map #place-caption{font-size:19px;padding:14px 22px}}
@media(max-width:800px){.field-workspace .scene-column{display:contents}.field-workspace .scene-heading{order:0;margin-bottom:-10px}.field-workspace .field-map{order:1}.field-workspace .scene-caption{order:2;margin-top:-15px}.field-workspace .side-panel{order:3}.field-workspace .field-switch{order:4;margin-top:0}.case-list{max-height:320px;min-height:0}.case-choice{font-size:16px;min-height:58px}.selection-detail{padding-top:20px}.case-ring{width:44px;height:44px;border-width:2px;font-size:14px}.case-ring span{min-height:26px;min-width:26px}.field-map #place-caption{font-size:12px;padding:8px 10px}.case-filters button{min-height:44px}.field-switch a{min-height:44px}.detail-return{padding:0 16px 8px;gap:12px}.detail-return .kicker{font-size:11px}.detail-view iframe{height:1500px}.selection-detail .available-note{font-size:13px}.app-header:has(+main .detail-view) #breadcrumbs{font-size:12px}.detail-view{padding-top:12px}}
.detail-return{flex-wrap:wrap}.review-select{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}.review-select select{font:inherit;color:var(--text);background:#17212b;border:1px solid var(--line);border-radius:6px;min-height:44px;padding:8px;max-width:370px}.review-paging{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:15px}.detail-view iframe{height:max(580px,calc(100dvh - 220px))}
@media(max-width:1100px){.review-select select{max-width:300px}.review-paging{margin-left:0}}
@media(max-width:800px){.review-select{width:100%}.review-select select{max-width:calc(100% - 44px);flex:1;min-width:0}.review-paging{margin-left:auto}.detail-view iframe{height:1500px}}

.detail-loading{position:absolute;left:32px;color:var(--muted);font-size:16px;padding:20px 0}

/* Keep the selected case and its next action visible on handheld screens. */
@media(max-width:800px){
 .field-workspace{padding-bottom:210px}
 .field-workspace .selection-detail{position:fixed;left:0;right:0;bottom:0;z-index:20;margin:0;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:#111922;border-top:1px solid #53606c;box-shadow:0 -8px 24px #0005}
 .selection-detail h3{font-size:16px;line-height:1.4;margin:5px 0}
 .selection-detail p{font-size:12px;line-height:1.4;margin:4px 0}
 .selection-detail .primary-action{font-size:16px;min-height:46px;padding:10px 14px;margin-top:8px}
 .selection-detail .available-note{display:none}
 .selection-detail .preparing{padding-top:6px;margin-top:6px}
 .case-choice{scroll-margin-bottom:210px}
}

.pending-label{display:block;font-size:12px;color:#9ba7b3;margin-top:3px}
/* Reserve image space and avoid entry motion that resembles a layout shift. */
.map-image{aspect-ratio:1672/941}
.view-enter{animation:none}
/* Fit the landscape and selected action within the exhibition screen height. */
@media(min-width:801px) and (min-height:720px){
 .field-workspace{height:calc(100dvh - 124px);min-height:0}
 .field-workspace .field-map{width:100%;max-width:calc((100dvh - 440px)*1672/941);align-self:center}
 .field-workspace .side-panel{min-height:0}
 .field-workspace .case-list{flex:1;min-height:0}
 .field-workspace .selection-detail{flex-shrink:0}
}

/* A second intentional tap opens a detail. Keep ordinary pinch zoom available. */
.field-map,.case-choice{touch-action:manipulation}
.case-ring{padding:0}
.pending-ring{pointer-events:none}
.row-repeat-hint{display:block;color:#f2c49e;font-size:14px;font-weight:400;margin-top:2px}
.ring-repeat-hint{position:absolute;left:clamp(100px,var(--x),calc(100% - 100px));top:var(--y);transform:translate(-50%,-76px);padding:5px 8px;border-radius:4px;background:#101922ee;color:#fff;border:1px solid #d19363;font-size:14px;white-space:nowrap;pointer-events:none}
.case-image-label{position:absolute;top:12px;left:12px;padding:6px 10px;border-radius:5px;background:#101922e8;color:#fff;font-size:13px;pointer-events:none}
@media(max-width:800px){.ring-repeat-hint{font-size:14px;transform:translate(-50%,-62px)}.case-image-label{top:7px;left:7px;font-size:11px}}

@media(max-width:800px){.ring-repeat-hint.hint-below{transform:translate(-50%,34px)}}

/* Subtle location cues: only the selected location shows its number. */
.case-points{position:absolute;inset:0;pointer-events:none}
.case-point{position:absolute;left:var(--x);top:var(--y);width:32px;height:32px;min-height:0;padding:0;transform:translate(-50%,-50%);border:0;background:none;border-radius:50%;pointer-events:auto;z-index:2}
.case-point::before{content:'';display:block;position:absolute;left:50%;top:50%;width:7px;height:7px;margin:-3.5px;border-radius:50%;background:white;box-shadow:0 0 0 1px #26354288,0 1px 4px #0009;animation:location-breathe 3.6s ease-in-out infinite;animation-delay:var(--delay)}
.case-point[aria-pressed=true]{visibility:hidden}
.case-point:hover::before,.case-point:focus-visible::before{animation:none;opacity:1;box-shadow:0 0 0 3px #ff8a4577}
.case-ring{z-index:3}
.mountain-road-car{position:absolute;left:31.3%;top:11.3%;width:2.6%;height:auto;transform:translate(-50%,-50%) rotate(-3deg);filter:drop-shadow(.25px .75px .4px #0007);pointer-events:none}
@keyframes location-breathe{0%,100%{opacity:.42}50%{opacity:1}}
@media(prefers-reduced-motion:reduce){.case-point::before{animation:none;opacity:1}}
@media(max-width:800px){.case-point{width:24px;height:24px}.case-point::before{width:5px;height:5px;margin:-2.5px}}