html,body{margin:0;padding:0;width:100%;height:100%;background:#000;overflow:hidden;overscroll-behavior:none}*{box-sizing:border-box}#scene{display:block;position:fixed;inset:0;width:100vw;height:100vh;touch-action:none}#fallback{position:fixed;inset:0;width:100vw;height:100vh;background:#000;display:flex;align-items:center;justify-content:center}#fallback svg{width:60vw;max-width:720px;height:auto}#fallback[hidden]{display:none}#motion-hint{position:fixed;left:50%;bottom:8%;transform:translate(-50%);color:#ffffffa6;font:400 13px/1.4 -apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:.08em;text-transform:uppercase;pointer-events:auto;opacity:0;transition:opacity .6s ease;z-index:10}#motion-hint.visible{opacity:1}#motion-hint[hidden]{display:none}