*{margin:0;padding:0;box-sizing:border-box}body{background:#1a1a2e;color:#ccc;font-family:Consolas,'Courier New',monospace;display:flex;justify-content:center;align-items:flex-start;min-height:100vh;padding:16px}#app{display:flex;flex-direction:column;align-items:center;gap:0;width:100%;max-width:640px}#title{font-size:40px;font-weight:700;color:#00d4ff;letter-spacing:2px;padding:16px 0 8px}#stage-label{font-size:24px;font-weight:700;color:#ff0;letter-spacing:2px;padding:0 0 8px}#canvas-wrapper{width:100%;max-width:600px;padding:0 20px;position:relative}#gameCanvas{display:block;width:100%;aspect-ratio:3/2;background:#16213e;border:2px solid #00d4ff;cursor:crosshair;touch-action:none}#stage-clear-overlay-global{position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgba(0,0,0,.85);z-index:9997;display:none}#stageClearCanvasGlobal{position:fixed;top:0;left:0;z-index:9999;display:none;pointer-events:none}#next-level-btn-global{position:fixed;top:50%;left:50%;transform:translate(-50%,50%);z-index:9998;font-family:Consolas,'Courier New',monospace;font-size:20px;font-weight:700;color:#1a1a2e;background:#00d4ff;border:none;padding:10px 28px;cursor:pointer;transition:background .15s;display:none;margin-top:180px}#next-level-btn-global:hover{background:#09b}#next-level-btn-global:active{background:#079}#score-label{font-size:64px;font-weight:700;color:#888;padding:12px 0 4px;min-height:54px;letter-spacing:1px}.score-unit{font-size:42px}#reset-btn{font-family:Consolas,'Courier New',monospace;font-size:26px;font-weight:700;color:#1a1a2e;background:#00d4ff;border:none;padding:6px 24px;margin:4px 0 20px;cursor:pointer;letter-spacing:1px;transition:background .15s}#reset-btn:hover{background:#09b}#reset-btn:active{background:#079}#version-label{position:fixed;bottom:10px;right:10px;font-size:14px;color:#888;z-index:100;text-align:right;white-space:nowrap}