:root{--bg:#f8f1e7;--ring:#a55c2d;--p1:#e67e22;--p2:#34495e;--text:#2c3e50;--shadow:0 10px 30px #0000001a}body{background-color:var(--bg);color:var(--text);justify-content:center;align-items:center;height:100dvh;margin:0;padding:0;font-family:Yuji Syuku,serif;display:flex;overflow:hidden}#back-link{color:var(--text);z-index:100;background:#0000000d;border:1px solid #0000001a;border-radius:10px;padding:8px 12px;font-size:.9rem;font-weight:700;text-decoration:none;position:absolute;top:10px;left:10px}#game-container{width:100%;max-width:500px;height:100dvh;box-shadow:var(--shadow);flex-direction:column;margin:0 auto;display:flex;position:relative;overflow:hidden}#ui{z-index:10;justify-content:space-between;padding:50px 20px 10px;font-family:Nunito,sans-serif;font-weight:900;display:flex}.round-counter{color:var(--p1);font-size:1.5rem}.score{opacity:.8;font-size:1.2rem}#ring-container{flex-grow:1;justify-content:center;align-items:center;display:flex;position:relative}#dohyo{aspect-ratio:1;background:var(--ring);touch-action:manipulation;border:12px solid #8e44ad;border-radius:50%;justify-content:center;align-items:center;width:85vw;max-width:380px;max-height:45dvh;display:flex;box-shadow:inset 0 0 50px #0000004d,0 10px 20px #0000001a}.sumo{-webkit-user-select:none;user-select:none;pointer-events:none;font-size:5rem;transition:left .1s cubic-bezier(.4,0,.2,1);position:absolute}#p1{left:40%;transform:translate(-50%)}#p2{left:60%;transform:translate(-50%)}.tap-indicator{text-align:center;width:100%;color:var(--p1);opacity:.8;pointer-events:none;text-shadow:0 0 15px #e67e2280;touch-action:manipulation;font-family:Bungee,Nunito,sans-serif;font-size:2.2rem;font-weight:900;animation:1s infinite pulse;position:absolute;bottom:12dvh}@keyframes pulse{0%{opacity:.7;transform:scale(1)}50%{opacity:1;transform:scale(1.15)}to{opacity:.7;transform:scale(1)}}.overlay{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:20;text-align:center;color:#fff;background:#000000d9;flex-direction:column;justify-content:center;align-items:center;padding:20px;display:flex;position:absolute;inset:0}.overlay h1{color:var(--p1);margin-bottom:20px;font-size:3rem}.main-btn{background:var(--p1);color:#fff;cursor:pointer;border:none;border-radius:50px;padding:15px 40px;font-family:inherit;font-size:1.5rem;font-weight:900;transition:transform .2s;box-shadow:0 5px 15px #e67e2266}.main-btn:hover{transform:translateY(-5px)scale(1.05)}.hidden{display:none}.vibrate{animation:.1s linear infinite vibrate}@keyframes vibrate{0%{transform:translate(0)rotate(0)}25%{transform:translate(2px,2px)rotate(1deg)}50%{transform:translate(-2px,-2px)rotate(-1deg)}75%{transform:translate(2px,-2px)rotate(1deg)}to{transform:translate(-2px,2px)rotate(-1deg)}}