:root{--bg:#e8edf3;--card:#fff;--ink:#1f2937;--muted:#6b7280;--accent:#f59e0b;--radius:14px;font-family:Inter,system-ui,-apple-system,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif}*{box-sizing:border-box;margin:0}html,body{height:100%}body{background:var(--bg);color:var(--ink);overflow:hidden}body.hub{overflow:auto}.hub-main{max-width:720px;margin:10vh auto;padding:0 24px}.hub-main h1 small{color:var(--muted);margin-left:8px;font-size:.55em;font-weight:400}.hub-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-top:24px;display:grid}.hub-tile{background:var(--card);border-radius:var(--radius);color:var(--ink);padding:22px 18px;font-weight:600;text-decoration:none;display:block;box-shadow:0 4px 14px #0f172a14}.hub-tile[aria-disabled=true]{opacity:.45}a.hub-tile:hover{outline:2px solid var(--accent)}.topbar{z-index:10;align-items:center;gap:16px;height:56px;padding:0 20px;display:flex;position:fixed;inset:0 0 auto;-webkit-backdrop-filter:blur(16px)saturate(120%)!important;background:#fffc!important;border-bottom:1px solid #ffffff80!important;box-shadow:0 1px 4px #0f172a0a!important}.topbar .brand{color:var(--ink);align-items:center;font-size:15px;font-weight:700;text-decoration:none;display:flex}.topbar .brand small{color:var(--muted);margin-left:8px;font-size:11px;font-weight:400}.case-pills{gap:8px;margin-left:auto;display:flex}.pill{color:var(--ink);background:#fff9;border:1px solid #d7dde499;border-radius:20px;padding:6px 16px;font-size:13px;font-weight:500;text-decoration:none;transition:all .2s}.pill:hover:not([aria-disabled=true]){border-color:var(--accent);color:var(--accent);background:#fffcf6cc}.pill.active{font-weight:600;box-shadow:0 2px 8px #f59e0b40;background:var(--accent)!important;border-color:var(--accent)!important;color:#fff!important}.pill[aria-disabled=true]{opacity:.45;pointer-events:none}#viewport{position:fixed;inset:56px 0 0}#viewport canvas{display:block}aside.side-panel{z-index:10;pointer-events:none;flex-direction:column;gap:12px;width:268px;max-height:calc(100vh - 96px);padding-right:4px;display:flex;position:fixed;top:76px;right:20px}aside.side-panel>*{pointer-events:auto;min-height:0;overflow:hidden auto}aside.side-panel>::-webkit-scrollbar{width:4px}aside.side-panel>::-webkit-scrollbar-track{background:0 0}aside.side-panel>::-webkit-scrollbar-thumb{background:#00000026;border-radius:2px}aside.side-panel>::-webkit-scrollbar-thumb:hover{background:#0000004d}.ui-panel-title{color:var(--ink);align-items:center;gap:6px;margin-bottom:12px;font-size:14px;font-weight:700;display:flex}.ui-hint{color:var(--muted);text-align:center;padding:12px 0;font-size:13px;line-height:1.4}.ui-slider{grid-template-columns:56px 1fr 48px;align-items:center;gap:8px;margin:8px 0;font-size:13px;display:grid}.ui-slider input{width:100%;min-width:0}.ui-slider-value{text-align:right;font-variant-numeric:tabular-nums;color:var(--muted);font-weight:500}select,input[type=number]{width:100%;color:var(--ink);background-color:#f3f4f6cc;border:1px solid #e5e7ebcc;border-radius:8px;outline:none;padding:6px 10px;font-family:inherit;font-size:13px;transition:all .2s}select:hover,input[type=number]:hover{background-color:#eaecefe6;border-color:#d1d5dbe6}select:focus,input[type=number]:focus{border-color:var(--accent);background-color:#fff;box-shadow:0 0 0 3px #f59e0b33}input[type=range]{-webkit-appearance:none;background:#e5e7ebb3;border-radius:3px;outline:none;width:100%;height:6px;transition:background .15s}input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:4px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--accent);cursor:pointer;border-radius:50%;width:14px;height:14px;transition:transform .1s,background .15s;box-shadow:0 1px 3px #00000026}input[type=range]::-webkit-slider-thumb:hover{background:#d97706;transform:scale(1.25)}input[type=range]::-moz-range-thumb{background:var(--accent);cursor:pointer;border:none;border-radius:50%;width:14px;height:14px;transition:transform .1s,background .15s;box-shadow:0 1px 3px #00000026}input[type=range]::-moz-range-thumb:hover{background:#d97706;transform:scale(1.25)}.btn{color:var(--ink);cursor:pointer;background:#fff;border:1px solid #d7dde4cc;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:600;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex}.btn:hover{border-color:var(--accent);color:var(--accent);background:#fffcf6cc;transform:translateY(-.5px)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{color:#fff;background:#d97706;border-color:#d97706;box-shadow:0 4px 12px #f59e0b40}.btn-danger{color:#991b1b;background:#fee2e2;border-color:#fca5a5}.btn-danger:hover{color:#991b1b;background:#fecaca;border-color:#f87171;box-shadow:0 4px 12px #ef444426}.bottom-left{z-index:10;flex-direction:column;align-items:flex-start;gap:10px;max-width:540px;display:flex;position:fixed;bottom:20px;left:20px}.footnote{z-index:10;color:var(--muted);font-size:11px;position:fixed;bottom:8px;right:20px}.side-panel .heat-toggle{color:var(--ink);align-items:center;gap:6px;margin-top:10px;font-size:13px;font-weight:500;display:flex}.sun-readout{color:var(--muted);font-variant-numeric:tabular-nums;min-height:1.2em;margin-top:8px;font-size:12px;font-weight:500}.time-dock{background:var(--card);border-radius:var(--radius);gap:6px;min-width:300px;padding:12px 14px;display:grid;box-shadow:0 4px 14px #0f172a1a}.time-row{align-items:center;gap:8px;margin-top:6px;display:flex}.time-row .btn{flex:1;margin-top:0}.time-readout{color:var(--muted);font-variant-numeric:tabular-nums;margin-left:auto;font-size:13px;font-weight:600}.heat-legend{background:var(--card);border-radius:var(--radius);gap:6px;min-width:220px;padding:12px 16px;display:grid;box-shadow:0 4px 14px #0f172a1a}.heat-legend-title{color:var(--muted);font-size:12px;font-weight:600}.heat-legend-bar{border-radius:4px;height:8px}.heat-legend-scale{color:var(--muted);justify-content:space-between;font-size:11px;font-weight:500;display:flex}.legend-card{align-self:flex-start;position:relative}.legend-card[hidden]{display:none}.legend-card .legend-close{z-index:1;position:absolute;top:6px;right:12px}.legend-card .heat-legend-title{padding-right:20px}.hc-icon{white-space:nowrap;background:var(--card);font:inherit;color:var(--ink);cursor:pointer;-webkit-user-select:none;user-select:none;border:none;border-radius:999px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;transition:all .2s 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solid #0000000d;justify-content:space-between;align-items:center;gap:12px;padding:10px 10px 10px 14px;font-size:13px;font-weight:700;display:flex}.float-window-close{cursor:pointer;color:var(--muted);background:0 0;border:none;border-radius:6px;padding:4px 8px;font-size:14px;line-height:1;transition:all .15s}.float-window-close:hover{color:var(--ink);background:#f1f3f5}.float-window-body{padding:12px 14px}.float-window .time-dock{box-shadow:none;background:0 0;min-width:0;padding:0}@media (prefers-reduced-motion:reduce){.hc-icon{transition:none}}.panel-box,.info-card,.float-window,.heat-legend,.hc-icon{-webkit-backdrop-filter:blur(16px)saturate(120%)!important;background:#ffffffd1!important;border:1px solid #ffffff80!important;box-shadow:0 8px 30px #0f172a14!important}.panel-box{border-radius:var(--radius);width:100%;padding:16px}.geo-control{flex-direction:column;gap:8px;margin-bottom:12px;display:flex}.geo-row{justify-content:space-between;align-items:center;gap:8px;display:flex}.geo-row select,.geo-row input{max-width:130px}.geo-offset{color:var(--ink);background-color:#f3f4f6b3;border-radius:6px;flex-direction:column;align-items:flex-start;gap:4px;margin-top:4px;padding:8px 10px;font-size:12px;font-weight:500;display:flex}.geo-offset small{color:var(--muted);font-size:10px;font-weight:400}@keyframes slide-down{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.animate-show{animation:.22s cubic-bezier(.16,1,.3,1) forwards slide-down}#observer-btn[aria-pressed=true]{background:var(--accent,#f59e0b);color:#fff;border-color:#0000}