html,body{overscroll-behavior:none;background:#111418;height:100%;margin:0;overflow:hidden}body{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;font-family:system-ui,-apple-system,Apple SD Gothic Neo,Noto Sans KR,sans-serif}#frame{touch-action:none;width:min(100vw,56.25vh);height:100vh;margin:auto;position:absolute;inset:0;overflow:hidden}@supports (height:100dvh){#frame{width:min(100vw,56.25dvh);height:100dvh}}#frame canvas{width:100%;height:100%;display:block}.stick-base,.stick-knob{pointer-events:none;opacity:0;will-change:transform;border-radius:50%;transition:opacity 80ms;position:absolute;top:0;left:0}.stick-base{box-sizing:border-box;background:#14181e2e;border:3px solid #fff9}.stick-knob{background:#ffffffd9;box-shadow:0 2px 6px 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#0000004d}.start-screen{color:#fff;text-align:center;touch-action:none;background:#0e111673;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:24px;display:flex;position:absolute;inset:0}.start-screen[hidden]{display:none}.start-title{text-shadow:0 3px #00000059;font-size:34px;font-weight:900;animation:1.4s ease-in-out infinite start-breathe}@keyframes start-breathe{50%{transform:scale(1.06)}}.start-hint{color:#2fd27a;text-shadow:0 1px 2px #0009;font-size:18px;font-weight:800}.start-note{bottom:calc(18px + env(safe-area-inset-bottom,0px));opacity:.85;font-size:13px;font-weight:700;position:absolute;left:16px;right:16px}.sit-fade{opacity:0;pointer-events:none;background:#0d1014;position:absolute;inset:0}.fps-meter{left:calc(12px + env(safe-area-inset-left,0px));bottom:calc(12px + env(safe-area-inset-bottom,0px));color:#9cf59c;pointer-events:none;white-space:pre;background:#0000008c;border-radius:6px;padding:3px 8px;font:12px 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