body{background:#000;margin:0}main{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;height:100dvh;position:relative;overflow:hidden}.hit-debug{z-index:1;box-sizing:border-box;pointer-events:none;border:2px solid #f0f;border-radius:50%;position:absolute}.video{z-index:0;pointer-events:none;background:#000;position:fixed;inset:0}.video.on{z-index:2;pointer-events:auto}