:root{
  --blue:#0b4f87;--blue-deep:#07365f;--blue-soft:#eaf4fb;--green:#77b943;--green-deep:#4d8b30;
  --yellow:#ffdf2b;--ink:#173042;--muted:#5e7483;--line:rgba(11,79,135,.16);--panel:rgba(255,255,255,.94);
  --shadow:0 18px 46px rgba(26,63,88,.16);--radius:20px;
}
*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden}
body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#dcebf4}
button,input{font:inherit}button{color:inherit}[hidden]{display:none!important}
#app,#scene{position:fixed;inset:0}#scene canvas{display:block;width:100%;height:100%;touch-action:none}
.panel{background:var(--panel);border:1px solid rgba(255,255,255,.92);box-shadow:var(--shadow);backdrop-filter:blur(18px) saturate(1.15);-webkit-backdrop-filter:blur(18px) saturate(1.15)}
.topbar{position:fixed;z-index:20;top:max(14px,env(safe-area-inset-top));left:50%;transform:translateX(-50%);width:min(900px,calc(100vw - 30px));min-height:72px;border-radius:22px;padding:10px 12px;display:flex;align-items:center;gap:12px}
.brand-badge{width:48px;height:48px;flex:0 0 48px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(145deg,var(--blue),#1675b7);color:white;font-weight:900;letter-spacing:-1px;border-bottom:5px solid var(--green);box-shadow:inset 0 0 0 2px rgba(255,255,255,.15)}
.brand-copy{min-width:0;flex:1}.eyebrow{display:block;font-size:10.5px;font-weight:850;letter-spacing:.14em;text-transform:uppercase;color:var(--green-deep)}
h1,h2,p{margin:0}h1{font-size:clamp(18px,2vw,26px);line-height:1.08;color:var(--blue-deep);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-actions{display:flex;gap:7px;align-items:center}.icon-btn{min-width:44px;height:44px;border:1px solid var(--line);border-radius:14px;background:white;color:var(--blue);font-weight:900;cursor:pointer;display:grid;place-items:center;padding:0 11px;transition:.2s ease}
.icon-btn.wide{min-width:76px;font-size:11px}.icon-btn:hover,.icon-btn.active{background:var(--blue);color:white;transform:translateY(-1px)}.icon-btn.small{min-width:34px;width:34px;height:34px;border-radius:11px;padding:0;font-size:20px}
.sign-panel{position:fixed;z-index:18;left:18px;top:104px;bottom:108px;width:min(350px,calc(100vw - 36px));border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;overflow:hidden}
.panel-title-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--line)}.panel-title-row h2{font-size:23px;color:var(--blue-deep)}
.sign-list{overflow:auto;padding:10px 3px 4px 0;display:grid;gap:7px;scrollbar-width:thin;scrollbar-color:rgba(11,79,135,.28) transparent}.sign-item{width:100%;border:1px solid transparent;background:transparent;border-radius:14px;padding:9px 10px;display:grid;grid-template-columns:38px 1fr;gap:10px;align-items:center;text-align:left;cursor:pointer;transition:.18s ease}.sign-item:hover{background:var(--blue-soft);border-color:rgba(11,79,135,.12)}.sign-item.active{background:#fff9d8;border-color:#f0cd1d;box-shadow:0 7px 20px rgba(175,139,0,.13)}
.sign-num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--yellow);color:#1c2b34;font-weight:900;border:2px solid white;box-shadow:0 3px 8px rgba(64,50,0,.2)}.sign-copy strong{display:block;font-size:13.5px;line-height:1.25;color:#193447}.sign-copy span{display:block;margin-top:2px;font-size:11px;color:var(--muted)}
.open-panel-btn{position:fixed;z-index:18;left:18px;top:114px;border:0;border-radius:15px;padding:11px 15px;font-weight:800;color:var(--blue);cursor:pointer}
.info-card{position:fixed;z-index:19;right:18px;top:104px;width:min(405px,calc(100vw - 36px));max-height:calc(100vh - 214px);border-radius:var(--radius);padding:18px;overflow:auto;transform:translateX(calc(100% + 30px));opacity:0;pointer-events:none}.info-card.visible{pointer-events:auto}.info-close{position:absolute;right:12px;top:12px}.info-head{display:grid;grid-template-columns:54px 1fr;gap:12px;align-items:start;padding-right:38px}.info-number{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--yellow);font-size:19px;font-weight:900;color:#1f2b32;border:3px solid white;box-shadow:0 6px 18px rgba(93,72,0,.18)}.info-head h2{font-size:21px;line-height:1.16;color:var(--blue-deep);margin-top:3px}.info-description{margin-top:14px;font-size:14px;line-height:1.55;color:#35566a}.info-grid{display:grid;gap:10px;margin-top:13px}.info-grid>div{padding:12px;border:1px solid var(--line);border-radius:14px;background:#f8fbfd}.info-grid .action-box{background:#edf8e8;border-color:rgba(88,143,44,.23)}.info-label{display:block;font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.12em;color:var(--green-deep);margin-bottom:4px}.info-grid p{font-size:13px;line-height:1.45;color:#38586a}.info-tools{display:flex;justify-content:flex-start;margin-top:12px}.info-nav{display:flex;justify-content:space-between;gap:10px;margin-top:10px}
.btn{border:0;border-radius:13px;padding:11px 15px;font-weight:850;cursor:pointer;transition:.2s ease}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--blue);color:white;box-shadow:0 8px 20px rgba(11,79,135,.22)}.btn.secondary{background:#edf3f7;color:var(--blue-deep)}.btn.large{font-size:16px;padding:13px 22px}
.simulation{position:fixed;z-index:17;right:18px;bottom:108px;width:min(330px,calc(100vw - 36px));border-radius:18px;padding:13px 15px}.simulation-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.simulation-head strong{display:block;color:var(--blue-deep);font-size:14px;margin-top:2px}.simulation output{font-weight:900;color:var(--blue);font-size:18px}.simulation input{width:100%;accent-color:var(--blue);margin:8px 0 2px}.simulation-scale{display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.simulation-note{font-size:9.5px;line-height:1.3;color:#6d8290;margin-top:7px}
.viewbar{position:fixed;z-index:17;left:50%;bottom:max(18px,env(safe-area-inset-bottom));transform:translateX(-50%);width:min(950px,calc(100vw - 36px));border-radius:18px;padding:7px;display:flex;gap:5px;overflow-x:auto;scrollbar-width:none}.viewbar::-webkit-scrollbar{display:none}.view-btn{white-space:nowrap;border:0;background:transparent;border-radius:12px;padding:10px 13px;font-size:12px;font-weight:800;color:#436477;cursor:pointer;transition:.18s ease}.view-btn:hover,.view-btn.active{background:var(--blue);color:white}.view-btn.accent{background:#fff6b5;color:#745d00}.view-btn.accent:hover{background:var(--yellow);color:#3e3300}
.hint{position:fixed;z-index:12;left:50%;bottom:91px;transform:translateX(-50%);border-radius:999px;padding:7px 12px;font-size:11px;color:#557080;pointer-events:none}.marker-tooltip{position:fixed;z-index:30;max-width:270px;padding:8px 11px;border-radius:11px;background:rgba(12,45,65,.94);color:white;font-size:12px;font-weight:750;line-height:1.25;pointer-events:none;box-shadow:0 10px 25px rgba(0,0,0,.22);transform:translate(-50%,-115%)}
.context-notice{position:fixed;z-index:80;left:50%;top:94px;transform:translateX(-50%);border-radius:14px;padding:10px 14px;font-size:12px;font-weight:800;color:#7a4d00;background:rgba(255,244,184,.96)}
.intro{position:fixed;z-index:60;inset:0;display:grid;place-items:center;background:radial-gradient(circle at 50% 42%,rgba(255,255,255,.5),rgba(11,79,135,.18)),linear-gradient(145deg,rgba(234,244,251,.8),rgba(220,239,211,.82));padding:20px}.intro-card{width:min(560px,100%);border-radius:28px;padding:28px;text-align:center}.intro-card h2{font-size:clamp(28px,5vw,44px);line-height:1.03;color:var(--blue-deep);margin:10px 0 12px}.intro-card p{max-width:460px;margin:0 auto 17px;color:#4e6878;line-height:1.55;font-size:14px}.intro-graphic{height:112px;position:relative;overflow:hidden;border-radius:20px;margin-bottom:18px;background:linear-gradient(#dff2ff 0 58%,#a8cf7c 58% 100%)}.mini-hill{position:absolute;right:-8%;bottom:22px;width:70%;height:95px;background:#78a94e;border-radius:50% 0 0 0;transform:rotate(-4deg)}.mini-road{position:absolute;left:-12%;bottom:-25px;width:130%;height:70px;background:#8e9498;transform:rotate(8deg);border-top:6px solid #d7d7d2}.mini-pin{position:absolute;left:52%;top:22px;width:48px;height:48px;border-radius:50% 50% 50% 8px;transform:rotate(-45deg);background:var(--yellow);display:grid;place-items:center;font-size:27px;font-weight:900;color:#23313a;border:4px solid white;box-shadow:0 8px 18px rgba(0,0,0,.18)}.mini-pin::before{content:"!";transform:rotate(45deg)}.loading-track{height:7px;border-radius:999px;background:#e3ebef;overflow:hidden;margin:0 auto 14px;max-width:390px}.loading-track span{display:block;width:4%;height:100%;background:linear-gradient(90deg,var(--green),var(--blue));border-radius:inherit;transition:width .2s ease}.loading-status{display:block;margin-top:12px;font-size:11px;color:#6d8290}
.source-dialog{width:min(1060px,calc(100vw - 34px));max-height:90vh;border:0;border-radius:24px;padding:22px;color:var(--ink)}.source-dialog::backdrop{background:rgba(8,35,54,.62);backdrop-filter:blur(5px)}.source-dialog h2{font-size:28px;color:var(--blue-deep);margin:4px 0 6px}.source-dialog>p{color:#537081;font-size:13px;line-height:1.5}.source-dialog img{display:block;width:100%;max-height:68vh;object-fit:contain;margin:15px 0;border-radius:15px;border:1px solid var(--line);background:white}.dialog-close{position:absolute;right:14px;top:14px}.note{padding:11px 13px;border-radius:12px;background:#fff8ce;color:#655500!important}
.fallback{position:fixed;z-index:100;inset:0;display:grid;place-items:center;background:linear-gradient(145deg,#dcecf7,#dbeed0);padding:20px}.fallback-card{width:min(590px,100%);border-radius:24px;padding:24px;text-align:center}.fallback-card h2{font-size:30px;color:var(--blue-deep);margin:7px 0 9px}.fallback-card p{color:#527080}.fallback-card pre{display:none;text-align:left;white-space:pre-wrap;max-height:180px;overflow:auto;background:#0b2638;color:#d9f1ff;padding:12px;border-radius:12px;font-size:11px;margin-top:12px}.fallback-card pre:not(:empty){display:block}.fallback-actions{display:flex;justify-content:center;gap:10px;margin-top:15px}
@media(max-width:1120px){.sign-panel{width:315px}.info-card{width:360px}.simulation{width:290px}.icon-btn.wide{min-width:62px}}
@media(max-width:860px){.topbar{top:10px;min-height:62px;width:calc(100vw - 20px)}.brand-badge{width:42px;height:42px;flex-basis:42px;border-radius:12px;font-size:13px}h1{font-size:18px}.top-actions{gap:4px}.icon-btn{min-width:38px;height:38px;border-radius:12px;padding:0 8px}.icon-btn.wide{min-width:58px;font-size:9px}.sign-panel{left:10px;right:10px;top:82px;bottom:88px;width:auto;z-index:40}.info-card{left:10px;right:10px;top:auto;bottom:86px;width:auto;max-height:60vh;z-index:42}.simulation{right:10px;bottom:88px;width:240px;padding:10px 12px}.viewbar{bottom:10px;width:calc(100vw - 20px);justify-content:flex-start}.hint{display:none}.open-panel-btn{left:10px;top:82px}.marker-tooltip{max-width:190px}}
@media(max-width:570px){.brand-copy .eyebrow{display:none}.topbar{padding:8px}.top-actions .icon-btn{min-width:34px;height:34px}.top-actions .icon-btn.wide{display:none}.simulation{left:10px;right:auto;bottom:84px;width:210px}.info-card{bottom:78px}.view-btn{padding:9px 11px}.intro-card{padding:22px 18px}.intro-graphic{height:90px}.brand-badge{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}