html,body{margin:0;padding:0;width:100%;height:100%;background:#0b1016;overflow:hidden}#app{position:fixed;inset:0;touch-action:none;cursor:grab}#app:active{cursor:grabbing}#app canvas{display:block;width:100%;height:100%}#home-link{box-sizing:border-box;position:fixed;top:max(16px,env(safe-area-inset-top));left:max(16px,env(safe-area-inset-left));display:block;width:44px;height:44px;padding:10px;color:#e6edf4;background:#0e162066;border:1px solid rgba(200,220,240,.22);border-radius:999px;backdrop-filter:blur(6px);touch-action:manipulation;opacity:.75}#gear-button{box-sizing:border-box;position:fixed;top:max(16px,env(safe-area-inset-top));left:calc(max(16px,env(safe-area-inset-left)) + 54px);width:44px;height:44px;padding:10px;color:#e6edf4;background:#0e162066;border:1px solid rgba(200,220,240,.22);border-radius:999px;backdrop-filter:blur(6px);cursor:pointer;touch-action:manipulation;opacity:.55}#gear-button[hidden]{display:none}#gear-button svg{display:block;width:100%;height:100%}#gear-dialog{width:min(400px,calc(100% - 32px));max-height:calc(100% - 32px);padding:24px 20px 18px;border:1px solid rgba(200,220,240,.2);border-radius:18px;background:#0f161e;color:#e6edf4;font-family:system-ui,-apple-system,Hiragino Sans,Noto Sans JP,sans-serif}#gear-dialog::backdrop{background:#03060a99}#gear-dialog h2{margin:0 0 6px;font-size:16px;font-weight:500;letter-spacing:.05em}#gear-dialog .gear-intro{margin:0 0 14px;font-size:13px;line-height:1.6;color:#e6edf4b3}#gear-dialog ul{margin:0;padding:0;list-style:none}#gear-dialog li+li{border-top:1px solid rgba(200,220,240,.12)}#gear-dialog a{display:block;padding:10px 4px;color:inherit;text-decoration:none}#gear-dialog a:hover,#gear-dialog a:focus-visible{background:#c8dcf00f}#gear-dialog .gear-name{display:block;font-size:14px}#gear-dialog .gear-note{display:block;margin-top:2px;font-size:12px;color:#e6edf48c}#gear-dialog .gear-disclosure{margin:12px 0 0;font-size:11px;line-height:1.5;color:#e6edf466}#gear-dialog .gear-close{position:absolute;top:8px;right:10px;padding:6px 10px;border:none;background:none;color:#e6edf480;font-size:20px;cursor:pointer}#home-link svg{display:block;width:100%;height:100%}#debug-overlay{position:fixed;top:8px;left:72px;padding:6px 10px;font:12px/1.4 monospace;color:#9be29b;background:#0006;white-space:pre;pointer-events:none;display:none}#debug-overlay.visible{display:block}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}