:root{color-scheme:dark;--bg:#07111c;--surface:#111f30;--surface2:#182b40;--edge:#334a65;--cyan:#5fe0eb;--cyan2:#b0faff;--white:#f2f8ff;--quiet:#afc2d8;--amber:#ffce7b;--danger:#fcb09c}
*{box-sizing:border-box}html,body{padding:0;margin:0;background:var(--bg);color:var(--white);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif}
button,input{font:inherit}button{cursor:pointer;touch-action:manipulation}button:focus-visible,input:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}
.app{height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden}
.siteHeader{flex:none;min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:calc(env(safe-area-inset-top) + 8px) 15px 9px;background:#091522;border-bottom:1px solid #233b53;z-index:3}
.brand{min-width:0}.brandSmall{display:block;font-size:10px;letter-spacing:.14em;font-weight:750;color:var(--cyan)}h1{font-size:15px;line-height:1.25;letter-spacing:.02em;margin:3px 0 0}.sourceTag{border:1px solid #48627d;color:#bfd7ee;background:#192b40;border-radius:8px;padding:5px 7px;font-size:11px;white-space:nowrap}
.scene{height:clamp(168px,29dvh,320px);flex:none;position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 60%,#172a3f,#07121e 66%);transition:height .25s ease;border-bottom:1px solid #35506b;touch-action:pan-y}
#view{display:block;position:absolute;inset:0;width:100%;height:100%;touch-action:none}
#preview{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;opacity:.95}
#preview svg{height:96%;width:min(100%,420px)}
.scene.loaded #preview{display:none}
.sceneInfo{position:absolute;z-index:2;top:11px;left:12px;border:1px solid #35536b;background:#091724d9;border-radius:10px;padding:7px 9px;font-size:11px;color:#c0d8eb;pointer-events:none;max-width:48vw;overflow-wrap:anywhere;line-height:1.5}
.sceneActions{position:absolute;z-index:2;top:9px;right:10px;display:flex;gap:5px}.cameraBtn{background:#152b41ec;color:#e7f4ff;border:1px solid #47647e;border-radius:9px;padding:7px 9px;font-size:12px}.cameraBtn.active{border-color:var(--cyan);color:var(--cyan2);background:#134251}
.sceneBottom{position:absolute;z-index:2;bottom:8px;left:10px;right:10px;display:flex;align-items:end;justify-content:space-between;gap:8px;pointer-events:none}
.sceneHint{max-width:75%;font-size:10px;color:#bdd0e5;background:#091724db;border-radius:8px;padding:4px 7px}.expandBtn{pointer-events:auto;border:1px solid var(--cyan);background:#154354;color:#edffff;border-radius:9px;padding:7px 9px;font-size:12px;font-weight:750}
.app.expanded .scene{height:58dvh}.app.expanded .sceneHint{max-width:68%}
.sheet{position:relative;flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;background:var(--bg);padding:0 13px calc(20px + env(safe-area-inset-bottom))}
.sheetTop{position:sticky;top:0;z-index:3;background:var(--bg);padding:12px 0 9px;border-bottom:1px solid #223b52}
.sheetHeader{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px}.sheetHeader h2{margin:0;font-size:16px;font-weight:800}.sheetHeader .tiny{font-size:11px;color:var(--quiet)}
.barList{display:flex;gap:7px;overflow-x:auto;scrollbar-width:none;margin-right:-13px;padding-right:13px}.barList::-webkit-scrollbar{display:none}
.barList button{flex:none;min-width:53px;min-height:42px;border:1px solid #47617c;background:#19293c;color:#d6e9ff;border-radius:12px;padding:7px 11px;font-size:15px;font-weight:800}
.barList button.selected{background:#075b68;border:2px solid var(--cyan);color:white}
.sectionTop{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:17px 1px 10px}.sectionTop h3{font-size:15px;margin:0;font-weight:800}.meta{font-size:12px;color:var(--quiet)}.minor{font-size:12px;color:var(--quiet);margin:0 0 12px}
.circuitCard{border:1px solid #3a5770;border-radius:16px;background:linear-gradient(150deg,#142a3f,#0e1c2e);padding:14px 11px 12px}
.headline{display:flex;align-items:center;gap:10px;margin-bottom:10px;justify-content:space-between}.headline strong{font-size:21px;letter-spacing:.01em}.circuitCount{font-size:12px;border-radius:7px;color:#b6faef;background:#163b45;border:1px solid #3d7e85;padding:4px 8px;white-space:nowrap}
.pairGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.pairBtn{min-width:0;min-height:88px;border:1px solid #55768e;border-radius:12px;background:#21394e;color:#f7fcff;padding:6px 3px 9px;text-align:center;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:3px}
.pairBtn span{font-weight:600;font-size:10px;color:#bdd1e4;letter-spacing:.06em}.pairBtn b{font-size:clamp(20px,5.5vw,29px);letter-spacing:-.04em;font-variant-numeric:tabular-nums;line-height:1.2;white-space:nowrap}.pairBtn em{font-size:10px;font-style:normal;color:#aec9d8}
.pairBtn.pick{border:2px solid var(--amber);background:#4b3b32;color:white}.pairBtn.pick em,.pairBtn.pick span{color:#ffe5b5}
.warn{margin-top:12px;padding:10px 11px;border:1px solid #d48d63;border-radius:10px;background:#3c2b25;color:#ffe5d7;font-size:13px;font-weight:700}
.infoLine{font-size:12px;color:#bfd1e4;margin:9px 1px 0}
.positionCard{border:1px solid #304961;border-radius:15px;background:#101e2e;padding:13px 10px}
.railGuide{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#a8bdce;margin-bottom:2px}.rail{height:67px;position:relative;margin:0 4px 7px}.rail:before{content:"";position:absolute;left:5px;right:5px;top:30px;border-top:5px solid #6ca9b8;border-radius:9px}
.railTick{position:absolute;top:17px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:3px;z-index:1;background:transparent;border:0;color:var(--white);padding:0}.railTick b{width:27px;height:27px;border:2px solid #83dce8;border-radius:50%;background:#18394a;display:grid;place-items:center;font-size:12px}.railTick.pick b{background:#ffd088;color:#25221b;border-color:white}.railTick small{font-size:10px;color:#c2d3e3}
.positionList{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:7px}
.positionBtn{background:#182b3d;border:1px solid #39556b;border-radius:10px;padding:8px 9px;color:white;text-align:left;min-height:73px}
.positionBtn.pick{border:2px solid var(--amber);background:#42382c}.positionBtn .placeId{font-size:11px;color:#b9cfe1;display:block;margin-bottom:2px}.positionBtn strong{font-size:clamp(15px,4.3vw,20px);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.25;display:block}.positionBtn small{font-size:10px;color:#c3d4df;display:block;margin-top:2px}
.notes{border-top:1px solid #254058;margin-top:14px;padding-top:12px;color:#a8bed2;font-size:12px;line-height:1.7}.notes strong{color:#dae8f4}
.areaList{display:flex;flex-direction:column;gap:10px}.areaRow{background:#122436;border:1px solid #344e66;border-radius:12px;padding:11px}.areaRow h4{font-size:13px;margin:0 0 7px}.chipLine{display:flex;flex-wrap:wrap;gap:7px}.chip{font-variant-numeric:tabular-nums;padding:5px 8px;font-size:14px;font-weight:750;background:#244358;border:1px solid #456b80;border-radius:8px}
.detailBox{margin-top:15px;border:1px solid #334b64;background:#132235;border-radius:12px;overflow:hidden}.detailBox summary{padding:13px;font-weight:750;cursor:pointer}.detailInner{padding:0 13px 12px;font-size:12px;color:#c6d7e7;line-height:1.75}.detailInner p{margin:5px 0 10px}.upload{display:block;border:1px solid var(--cyan);background:#12495a;color:white;border-radius:9px;padding:12px;text-align:center;font-size:13px;font-weight:750}.upload input{display:none}.status{font-size:11px;color:#b8ccdf;margin:10px 0 0}
.bottomNote{font-size:11px;color:#819db5;margin:15px 4px 0;line-height:1.65}
@media(min-width:700px){.app{max-width:900px;margin:auto;border-left:1px solid #1f3b50;border-right:1px solid #1f3b50}.sheet{padding-left:28px;padding-right:28px}.scene{height:39dvh}.pairBtn b{font-size:30px}.sheetHeader h2{font-size:18px}.pairGrid{gap:13px}.positionList{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-height:630px){.scene{height:clamp(128px,25dvh,210px)}.app.expanded .scene{height:53dvh}.sceneInfo{font-size:10px}}

/* Repair: scrolling, keyboard access and small portrait screens */
a{color:#a7f3fa}button,input{min-height:44px}button:disabled{opacity:.6;cursor:wait}
.skip{position:fixed;top:-80px;left:10px;z-index:10;background:#fff;color:#000;padding:12px}.skip:focus{top:8px}
.scene{transition:none}.sheetTop{position:relative}.barList{scrollbar-width:thin;padding-bottom:5px}.barList button{min-width:54px;min-height:46px}
.railTick{min-width:44px;min-height:48px;top:10px}.railTick b{width:30px;height:30px}.railTick small{font-size:10px}
.globalWarn{border:1px solid #d48d63;background:#3c2b25;border-radius:10px;padding:10px;color:#ffe5d7;font-weight:700;font-size:13px}.globalWarn small{font-weight:400;font-size:11px}
#findCircuit{margin:12px 0 16px}#findCircuit label{font-size:12px;color:#bfd1e4}.searchRow{display:flex;gap:8px;margin-top:5px}.searchRow input{width:100%;min-width:0;background:#11283b;border:1px solid #58748b;border-radius:8px;color:#fff;padding:8px 12px;font-size:16px}.searchRow button,#schematic{background:#164657;border:1px solid #64c5d0;border-radius:8px;color:white;padding:8px 16px}.searchRow button{flex:none}#searchResult:empty{display:none}#searchResult{font-size:13px}
.upload input{display:block}#upload{display:block;width:100%;font-size:12px;margin:8px 0}.detailInner{overflow-wrap:anywhere}.detailInner a{display:inline-block;padding:8px 0}
.sceneInfo{max-width:47%;font-size:10px}.sceneActions{gap:4px}.cameraBtn{padding:7px 8px}.positionBtn{overflow-wrap:anywhere}.pairBtn em{letter-spacing:0}
@media(max-width:360px){.sheet{padding-left:9px;padding-right:9px}.pairGrid{gap:5px}.pairBtn b{font-size:22px}.positionList{gap:6px}.sceneInfo{max-width:41%}.sourceTag{font-size:10px}.sceneActions{right:6px}.cameraBtn{padding:6px}.brandSmall{letter-spacing:.06em}}
@media(max-height:500px){.app{height:auto;min-height:100dvh;overflow:visible}.scene{height:180px}.sheet{overflow:visible}.app.expanded .scene{height:70dvh}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.railTick{min-width:30px;min-height:0}.sceneHint{max-width:68%}