:root{font-family:Pretendard,SUIT,-apple-system,BlinkMacSystemFont,Segoe UI,Malgun Gothic,sans-serif;color:#343b32;background:#f6f5f0;font-synthesis:none;--muted:#91958a;--line:#e5e6dc;--green:#5b6a47;--accent:#d9e8b5;--object-color:#f3a6a6;font-weight:400}*{box-sizing:border-box}body{margin:0}button,input,a{-webkit-tap-highlight-color:transparent}#app,#app *{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}#scene canvas{-webkit-user-drag:none}#app[data-input-method=pointer] :focus{outline:none}button,input{font:inherit}button{cursor:pointer;color:inherit}button{border:0}button:disabled{cursor:default}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:2px solid #7e9262;outline-offset:5px}button{transition:background .2s,box-shadow .2s,transform .2s}button:active{transform:scale(.96)}a{color:inherit;text-decoration:none}.icon{width:20px;height:20px;flex-shrink:0}.app-shell{max-width:1600px;margin:auto;padding:0 5.2%}.sound-button{display:flex;align-items:center;gap:8px;background:transparent;font-size:11px;color:#747d69;padding:9px 12px;border-radius:30px}.sound-button .icon{width:16px;height:16px}.sound-button:hover,.icon-button:hover{background:#eaece2}.sound-button[aria-pressed=false]{color:#a1a395}.icon-button{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:transparent;color:#848d79}.icon-button .icon{width:18px;height:18px}.playground{display:grid;grid-template-columns:minmax(220px,1fr) minmax(360px,2.35fr) 223px;min-height:535px;height:calc(100svh - 377px);max-height:740px;align-items:center;gap:12px;padding-top:12px}.stage-wrap{height:100%;min-height:490px;position:relative;isolation:isolate}.stage-wrap:before{content:"";position:absolute;inset:10% -8% 0;z-index:-2;background:radial-gradient(ellipse at 50% 44%,color-mix(in srgb,var(--object-color) 12%,transparent),transparent 64%);transition:background 1s;pointer-events:none}.stage-orbit{position:absolute;border:1px solid #e9e9df;border-radius:50%;z-index:-1;left:50%;top:46%;transform:translate(-50%,-50%);pointer-events:none;opacity:.8}.orbit-one{width:87%;aspect-ratio:1}.orbit-two{width:67%;aspect-ratio:1;border-style:dashed;border-color:#e7e7dd;opacity:.6}.orbit-one:before{content:"";position:absolute;top:18%;left:12%;width:5px;height:5px;border:1px solid #c6ceba;border-radius:50%;background:#f6f5f0}.orbit-one:after{content:"+";position:absolute;bottom:19%;right:9%;color:#c4ccba;font-size:15px}.reset-button{border:1px solid #e1e4d7;background:#f6f5f099;width:32px;height:32px}.reset-button .icon{width:14px;height:14px}#scene{position:absolute;inset:30px 0 60px;touch-action:none;cursor:default;outline:0}#scene canvas{display:block;width:100%;height:100%;outline-offset:-6px}#scene.is-hovering{cursor:grab}#scene[data-mode=rotate]{cursor:grab}.controls{margin-left:10px;padding:24px 21px 21px;border:1px solid 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