@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;600;700&display=swap');
:root{--ink:#173c3c;--paper:#f5f4ed;--lime:#d9f477;--line:#d8ded4}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans','Noto Sans JP',sans-serif}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #8dac38;outline-offset:3px}[hidden]{display:none!important}header{height:84px;max-width:1440px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 5%;border-bottom:1px solid var(--line)}.brand{color:var(--ink);text-decoration:none;font-size:13px;font-weight:700;letter-spacing:1px;display:flex;align-items:center;gap:8px}.brand b{color:#819187;font-size:10px}.brand-mark{display:grid;place-items:center;background:var(--ink);color:var(--lime);width:29px;height:29px;font-size:24px;border-radius:50%}.edition{font-size:10px;letter-spacing:2px;color:#7a8b80}.text-button{background:none;border:0;color:inherit;padding:12px 0;font-size:12px;font-weight:600}.text-button span{margin-left:24px}main{max-width:1320px;margin:auto;padding:0 32px}.page-title{display:flex;justify-content:space-between;align-items:end;margin:34px 0 28px}.eyebrow{font-size:10px;font-weight:600;letter-spacing:2px;margin:0 0 10px}h1{font-size:76px;letter-spacing:-5px;line-height:1;margin:0;font-weight:500}.title-dot{color:#90a841}.intro{font-size:15px;text-align:right;line-height:1.9;margin:0 0 5px}.intro small{display:block;color:#7b897d;font-size:11px}.arena{position:relative;aspect-ratio:16/9;background:#174447;overflow:hidden;border-radius:5px;isolation:isolate;box-shadow:0 18px 40px #183d3312}canvas{display:block;width:100%;height:100%;touch-action:none}.home-panel{position:absolute;left:5%;top:12%;width:31%;background:#f6f6eef5;padding:30px;border-radius:3px;box-shadow:0 10px 50px #092c3140}.home-panel h2{font-size:clamp(20px,2.4vw,30px);letter-spacing:-1px;margin:16px 0}.panel-copy{font-size:12px;line-height:2;color:#738077;margin:0 0 22px}.primary,.secondary{border:0;display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;padding:15px 18px;margin:10px 0;border-radius:3px;font-weight:600;font-size:13px}.primary{background:var(--ink);color:#fff}.primary:hover{background:#2d5750}.secondary{background:transparent;border:1px solid #cbd5c6;color:var(--ink)}.secondary:hover{background:#e8ecdf}.primary span{color:var(--lime);font-size:20px}.panel-foot{display:flex;gap:7px;align-items:center;border-top:1px solid #d9dfd2;padding-top:16px;margin-top:17px;font-size:8px;letter-spacing:1px}.panel-foot span{margin-left:auto}.panel-foot i,.status-dot{display:inline-block;width:6px;height:6px;background:#8aa43c;border-radius:50%}.court-label{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);color:#91b4a5;font-size:8px;letter-spacing:3px;pointer-events:none}#fullscreen{position:absolute;right:15px;bottom:12px;background:transparent;color:#dce8d4;border:1px solid #72978d;border-radius:3px;font-size:25px;width:35px;height:35px}.under-court{display:flex;align-items:center;justify-content:space-between;font-size:10px;letter-spacing:.6px;padding:18px 0;color:#788779}.under-court>span:first-child{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--ink)}kbd{font:9px 'DM Sans',sans-serif;border:1px solid #cbd3c5;padding:4px 6px;border-radius:3px}.tips{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding:30px 0 35px;gap:30px}.tips article+article{border-left:1px solid var(--line);padding-left:30px}.tips article>span{font-size:9px;letter-spacing:1.5px;color:#8c9a87}.tips h3{font-size:15px;font-weight:600;margin:13px 0 8px}.tips p{font-size:11px;color:#7a867a;line-height:1.9;margin:0}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;padding:23px 0;font-size:9px;color:#889783;letter-spacing:1.5px}.dialog{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#f7f7ee;width:380px;max-width:92%;padding:25px;box-shadow:0 20px 120px #05272dcc;border-radius:5px;max-height:96%;overflow:auto}.dialog h2{font-size:24px;margin:10px 0 20px}label{display:block;font-size:11px;margin:14px 0}select,input{border:1px solid #c7d1c3;background:#fffef7;border-radius:3px;color:var(--ink);padding:10px;width:100%;margin-top:7px;font-size:12px}.join-row{display:flex;gap:8px;align-items:center}.join-row input{width:55%}.join-row button{width:45%;padding:11px}.fine,#networkStatus{font-size:11px;line-height:1.7}.fine{color:#7b877d}.scoreboard{position:absolute;top:20px;left:20px;background:#102d31e8;color:white;border-radius:4px;padding:10px 16px;min-width:210px}.score-row{display:grid;grid-template-columns:110px 30px 35px;align-items:center;gap:10px;font-size:11px;line-height:1.7}.score-row strong{color:var(--lime);font-size:23px;text-align:center}.score-row b{text-align:center;font-size:15px}.stamina{height:3px;background:#416365;width:100%;margin:3px 0 7px}.stamina i{display:block;background:var(--lime);height:100%}.quit{position:absolute;right:20px;top:20px;color:#e8efd9;background:#123638bb;border:1px solid #6d9286;padding:8px 15px;border-radius:3px}.rally-badge{position:absolute;right:20px;top:70px;color:#d5e7cf;font-size:10px;letter-spacing:1px}.shot-buttons{position:absolute;right:4%;bottom:11%;width:170px;display:grid;grid-template-columns:1fr 1fr;gap:8px}.shot-buttons button{border:1px solid #b8d3b966;background:#183e40e6;color:#eef8d7;border-radius:12px;padding:15px 7px;font-size:12px;touch-action:none;user-select:none}.shot-buttons small{display:block;font-size:8px;opacity:.55;margin-top:4px}#hit{grid-column:span 2;background:var(--lime);color:#23413a;padding:20px;font-size:17px;border:0}#stick{position:absolute;bottom:12%;left:6%;width:110px;height:110px;border:1px solid #c0ddbe77;border-radius:50%;background:#aac5ad12;touch-action:none}#stick span{position:absolute;left:35px;top:35px;width:40px;height:40px;border-radius:50%;background:#bed7b566;border:1px solid #e2eed788;pointer-events:none}#servePanel{position:absolute;left:3%;top:40%;width:220px;background:#12383be8;color:#e7f0d7;padding:13px;border:1px solid #6d918066;border-radius:4px}.serve-top{font-size:10px;letter-spacing:1px}.serve-top span{display:block;margin-bottom:5px}.serve-top span+span{font-size:9px;letter-spacing:0;color:#bbd0b6}.serve-options select{background:#24504d;color:#e5edd8;border-color:#5e8575;margin:2px 0 8px;padding:5px}.serve-options button{background:none;border:1px solid #6d8e77;color:#e2ecd6;padding:6px 3px;font-size:9px;flex:1}.serve-options button.active{background:var(--lime);color:var(--ink)}#courses{display:flex;gap:3px}.power{height:12px;background:#517264;position:relative;margin-top:10px;border-radius:2px;overflow:hidden}.sweet{position:absolute;left:63%;width:14%;height:100%;background:#d9f477}#powerCursor{position:absolute;width:3px;height:100%;background:white;left:0}#resultScore{font-size:36px;letter-spacing:8px;text-align:center;margin:18px}dialog{border:0;border-radius:7px;max-width:560px;padding:30px;background:var(--paper);color:var(--ink)}dialog::backdrop{background:#082629b8}dialog p{font-size:13px;line-height:1.9}.close{float:right;background:none;border:0;color:var(--ink)}dialog h2{clear:both;padding-top:15px;font-size:23px}.arena:fullscreen{width:100vw;height:100dvh;aspect-ratio:auto;display:grid;place-items:center}.arena:fullscreen canvas{width:min(100vw,177.78dvh);height:min(100dvh,56.25vw)}
@media(max-width:800px){header{height:60px;padding:0 20px}.edition{display:none}main{padding:0 16px}.page-title{margin:25px 0 20px}h1{font-size:55px}.eyebrow{font-size:8px;letter-spacing:1px}.intro{font-size:11px}.intro small{font-size:9px}.home-panel{top:8%;padding:17px;width:37%;left:4%}.home-panel h2{font-size:20px;margin:8px 0}.panel-copy{font-size:9px;line-height:1.6;margin:0 0 10px}.primary,.secondary{padding:10px;font-size:11px;margin:7px 0}.panel-foot{display:none}.home-panel .text-button{font-size:9px;padding:5px 0}.under-court>span+span{display:none}.tips{gap:14px;padding:23px 0}.tips article+article{padding-left:14px}.tips h3{font-size:12px}.tips p{font-size:10px}.tips article>span{font-size:8px}.court-label{font-size:6px;bottom:9px}.scoreboard{top:8px;left:8px;padding:5px 9px;min-width:140px}.score-row{grid-template-columns:75px 20px 24px;font-size:8px;gap:5px}.score-row strong{font-size:16px}.score-row b{font-size:11px}.quit{top:8px;right:8px;padding:5px 9px;font-size:10px}.rally-badge{top:40px;right:8px;font-size:8px}#servePanel{width:160px;top:36%;left:2%;padding:8px}.shot-buttons{width:125px;right:2%;gap:5px;bottom:12%}.shot-buttons button{padding:9px 3px;font-size:10px}.shot-buttons small{display:none}#hit{padding:15px;font-size:14px}#stick{width:84px;height:84px;left:6%;bottom:7%}#stick span{left:22px;top:22px}#fullscreen{width:28px;height:28px;font-size:20px;bottom:7px;right:9px}.dialog{padding:18px}.dialog h2{font-size:20px;margin:6px 0 9px}label{margin:8px 0}.dialog select{padding:6px}.fine{margin:5px 0}}
@media(max-width:540px) and (orientation:portrait){.arena{aspect-ratio:16/9;overflow:visible;margin-bottom:140px}.home-panel{top:7%;width:44%;padding:10px}.home-panel .eyebrow,.panel-copy{display:none}.home-panel h2{font-size:15px}.home-panel .primary,.home-panel .secondary{padding:8px 6px;font-size:9px}.home-panel .primary span{font-size:12px}.intro{max-width:145px}.intro small{font-size:8px}.dialog{max-height:none;width:90%;z-index:4;top:0;transform:translateX(-50%);box-shadow:0 20px 50px #05272d99}.shot-buttons{bottom:-123px;width:165px;right:0}.shot-buttons button{background:#285552}#hit{background:var(--lime)}#stick{bottom:-120px;left:10px;background:#173e3c20;border-color:#739482;width:108px;height:108px}#stick span{left:34px;top:34px;background:#345c5080}#servePanel{left:0;top:calc(100% + 5px);width:140px;padding:5px;z-index:2}#servePanel:not([hidden])~#touch #stick{visibility:hidden}.scoreboard{transform:scale(.8);transform-origin:top left}.tips{grid-template-columns:1fr}.tips article+article{border-left:0;border-top:1px solid var(--line);padding:14px 0 0}.tips br{display:none}.court-label{display:none}footer{font-size:7px}.brand{font-size:10px}.brand b{font-size:8px}}

/* Mobile gameplay: suppress text selection, iOS callouts and native gestures. */
#touch, #touch *, #court {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-user-drag: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}
#touch button > *, #stick > * { pointer-events: none; }