:root{--bg: #0b0f14;--fg: #ffffff;--accent: #ffb020;--danger: #ff5a5a;--panel: rgba(11, 15, 20, .88)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--fg);font-family:Hiragino Sans,Noto Sans JP,system-ui,sans-serif;touch-action:none;overscroll-behavior:none;user-select:none;-webkit-user-select:none}#app{position:fixed;inset:0}#camera-background{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}#ar-canvas{position:absolute;inset:0;z-index:1}.intro{position:absolute;inset:0;z-index:20;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px;padding:24px;background:linear-gradient(180deg,#0b0f14,#12202e);text-align:center;overflow-y:auto;touch-action:pan-y}.intro h1{font-size:28px;letter-spacing:.05em}.intro .site-title{font-size:20px;color:var(--accent)}.intro .description{font-size:15px;line-height:1.7;max-width:480px;opacity:.9;white-space:pre-line;text-align:left}.intro .permissions{font-size:13px;line-height:1.8;max-width:480px;opacity:.75;text-align:left}.intro .safety{border:2px solid var(--danger);border-radius:12px;padding:14px 16px;max-width:480px;font-size:14px;line-height:1.7;text-align:left;background:#ff5a5a1a}.intro .safety strong{color:var(--danger)}.intro label.consent{display:flex;align-items:center;gap:10px;font-size:15px;cursor:pointer;padding:8px}.intro input[type=checkbox]{width:24px;height:24px;accent-color:var(--accent)}.btn-primary{font-size:20px;font-weight:700;padding:18px 48px;min-height:60px;border:none;border-radius:14px;background:var(--accent);color:#1a1200;cursor:pointer;transition:opacity .2s}.btn-primary:disabled{opacity:.35;cursor:not-allowed}.intro .status{min-height:1.5em;font-size:14px;color:var(--accent)}.intro .error{color:var(--danger);font-size:14px;max-width:480px;line-height:1.6}.debug-hud{position:absolute;top:env(safe-area-inset-top,8px);left:8px;z-index:30;font-family:ui-monospace,Consolas,monospace;font-size:11px;line-height:1.5;color:#7fff9f;background:#0000008c;padding:8px 10px;border-radius:8px;white-space:pre;pointer-events:none}.calibration{position:absolute;left:0;right:0;bottom:0;z-index:25;background:var(--panel);padding:16px 20px calc(20px + env(safe-area-inset-bottom,0px));border-radius:16px 16px 0 0;display:flex;flex-direction:column;gap:10px}.calibration .hint{font-size:13px;line-height:1.6;opacity:.85}.calibration .row{display:flex;align-items:center;gap:12px}.calibration input[type=range]{flex:1;height:44px;accent-color:var(--accent)}.calibration .value{font-family:ui-monospace,monospace;font-size:16px;min-width:58px;text-align:right;color:var(--accent)}.calibration .actions{display:flex;gap:10px;justify-content:flex-end}.btn-small{font-size:14px;font-weight:600;padding:10px 18px;min-height:44px;border:1px solid rgba(255,255,255,.4);border-radius:10px;background:var(--panel);color:var(--fg);cursor:pointer}.btn-small.accent{background:var(--accent);color:#1a1200;border:none}.toolbar{position:absolute;right:12px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:22;display:flex;flex-direction:column;gap:10px}.geofence-guide{position:absolute;inset:0;z-index:24;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:16px;background:#0b0f14b8;text-align:center;padding:24px}.geofence-guide .arrow{font-size:72px;transition:transform .3s}.geofence-guide .distance{font-size:28px;font-weight:700;color:var(--accent)}.geofence-guide .label{font-size:15px;line-height:1.7;opacity:.9}.toast{position:absolute;top:calc(12px + env(safe-area-inset-top,0px));left:12px;right:12px;z-index:28;display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid rgba(255,176,32,.6);border-radius:12px;padding:12px 14px;font-size:13px;line-height:1.6}.toast>div{flex:1}.loading-bar{position:absolute;left:10%;right:10%;bottom:25%;z-index:21;height:8px;border-radius:4px;background:#fff3;overflow:hidden}.loading-bar>div{height:100%;width:0%;background:var(--accent);transition:width .2s}