:root{font-family:Arial,Helvetica,sans-serif;color:#242321;background:#f7f6f1}*{box-sizing:border-box}body{margin:0}main{max-width:1700px;margin:auto;padding:34px 40px 22px}header{display:flex;align-items:center;gap:30px;margin-bottom:26px}.wordmark{font-size:39px;letter-spacing:-3px;font-weight:950;color:inherit;text-decoration:none;display:flex;align-items:center}.wordmark span{color:#88867d}.wordmark i{width:10px;height:10px;background:#b7c9a6;border-radius:50%;margin:14px 0 0 9px}header p{font-size:10px;letter-spacing:1.7px;margin-top:19px}.scores{margin-left:auto;display:flex;gap:30px}.scores span{font-size:10px;letter-spacing:1px;display:flex;align-items:center;gap:12px}.scores b{font-size:28px;font-weight:500;letter-spacing:-1px;font-variant-numeric:tabular-nums}.machine{border:7px solid #242321;background:#e4e4df}.field{position:relative;aspect-ratio:2.3;overflow:hidden}canvas{display:block;width:100%;height:100%}.overlay{position:absolute;inset:0;display:grid;place-items:center;background:#eeeee21c}.overlay[hidden]{display:none}.card{background:#faf9f1f2;border:2px solid #242321;padding:30px 40px;text-align:center;box-shadow:7px 7px 0 #242321;max-width:90%}.eyebrow{font-size:9px;letter-spacing:2px}h1{font-size:clamp(25px,3.2vw,49px);line-height:1.03;letter-spacing:-2px;margin:19px 0} .card p{font-size:12px;line-height:1.7;color:#62615b}.card button{background:#242321;color:#fff;border:0;padding:14px 22px;margin:9px 0 12px;width:100%;font-size:14px;cursor:pointer}.card button span{float:right}.card small{display:block;font-size:10px;color:#77766d}.console{min-height:108px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background-color:#f4f4ef;background-image:conic-gradient(#deded8 25%,transparent 0 50%,#deded8 0 75%,transparent 0);background-size:108px 108px;border-top:3px solid #242321}.console-note,.console-help{width:30%;font-size:11px;letter-spacing:.3px}.console-note{display:flex;gap:9px;align-items:center}.dot{width:7px;height:7px;border-radius:50%;background:#5c7455}.console-help{text-align:right;font-size:10px;line-height:2}.console-help span{font-size:8px;color:#73736b}.keys{display:grid;grid-template-columns:repeat(3,54px);gap:2px;padding:3px 0}.keys button{width:54px;height:49px;border:0;background:#242321;color:#fff;font-size:35px;line-height:1;cursor:pointer;touch-action:manipulation}.keys button:hover:not(:disabled),.keys button.pressed{background:#67765e}.keys #pause{font-size:25px}.keys .dig{color:#aaa99f;cursor:default;position:relative;padding-bottom:12px}.dig small{position:absolute;bottom:5px;left:0;width:100%;font-size:6px;letter-spacing:1px}button:focus-visible,select:focus-visible{outline:3px solid #7e4b9f;outline-offset:3px}footer{display:flex;align-items:center;justify-content:space-between;margin-top:21px;font-size:8px;letter-spacing:1.2px;color:#77766f}footer label{display:flex;align-items:center;gap:10px}select{border:0;border-bottom:1px solid #c5c4b8;background:transparent;color:#44443b;padding:5px;font:11px Arial;cursor:pointer}@media(max-width:750px){main{padding:20px 12px}header{gap:10px;margin-bottom:16px}.wordmark{font-size:29px}header p{display:none}.scores{gap:12px}.scores span{font-size:8px;gap:5px}.scores b{font-size:21px}.machine{border-width:4px}.field{aspect-ratio:1.35}.card{padding:20px}.card h1{font-size:31px}.console{padding:0 10px}.console-note{font-size:9px}.console-help{font-size:8px}.console-help span{display:none}footer>span:last-child{display:none}footer{font-size:7px}.keys{grid-template-columns:repeat(3,45px)}.keys button{width:45px;height:45px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}
:root{--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}
.field{display:flex;align-items:center;justify-content:center;background:#c3c7bc}
.field canvas{flex:none;max-width:100%;max-height:100%}
.keys .dig{color:#fff;cursor:pointer}
.keys .dig:disabled{cursor:default;color:#aaa99f}
.keys .dig.active{background:#615b52}
#fullscreen{border:1px solid #c5c4b8;background:transparent;padding:6px 9px;color:#44443b;cursor:pointer;font-size:10px}
@media(max-width:750px),(pointer:coarse){
 html,body{height:100%;overflow:hidden;overscroll-behavior:none}
 main{width:100%;max-width:none;height:100vh;height:100dvh;padding:var(--safe-top) env(safe-area-inset-right,0px) var(--safe-bottom) env(safe-area-inset-left,0px);display:flex;flex-direction:column}
 header{flex:none;min-height:49px;margin:0;padding:6px 12px;gap:10px}
 header p{display:none}.wordmark{font-size:28px}.scores{gap:12px}.scores span{font-size:8px;gap:5px}.scores b{font-size:20px}
 .machine{flex:1;min-height:0;border:0;display:flex;flex-direction:column}
 .field{flex:1;min-height:0;aspect-ratio:auto}
 .console{flex:none;min-height:108px;padding:0 12px;border-top-width:2px;background-size:108px 108px}
 .keys{grid-template-columns:repeat(3,54px)}.keys button{width:54px;height:49px}
 .console-note,.console-help{font-size:9px;width:25%}.console-help span{display:block;font-size:8px}
 footer{flex:none;min-height:32px;margin:0;padding:3px 12px;gap:10px}footer>span{display:none}footer label{font-size:8px}
 .card{padding:22px;max-height:95%;overflow:auto}.card h1{font-size:32px}
}
@media(pointer:coarse) and (orientation:landscape), (max-width:750px) and (orientation:landscape){
 header{min-height:35px;padding:2px 12px}.wordmark{font-size:23px}.scores b{font-size:17px}
 .machine{flex-direction:row}.field{height:100%;min-width:0}
 .console{width:178px;min-height:0;flex-direction:column;justify-content:center;gap:12px;border-top:0;border-left:2px solid #242321;padding:8px}
 .console-note{width:auto}.console-help{display:none}footer{min-height:27px;padding-top:0;padding-bottom:0}
 .card{padding:12px 24px}.card h1{font-size:25px;margin:10px 0}.card p{margin:6px 0}.card small{display:none}.card button{margin:3px 0;padding:10px}
}
.scores em{font-style:normal}
.card h1,.card p{white-space:pre-line}
.language-control{margin-left:auto}
.language-control select{max-width:130px}
.console-help .direction-help{font-size:10px;color:inherit}
.dig small{font-size:8px;letter-spacing:.2px}
:lang(zh-Hans) h1,:lang(ja) h1{letter-spacing:0;line-height:1.25}
@media(max-width:750px),(pointer:coarse){
 footer{gap:8px}
 footer label:not(.language-control)>span{display:none}
 .language-control{margin-left:0}
 .language-control select{max-width:110px}
 #fullscreen{margin-left:auto;width:32px;min-width:32px;height:28px;padding:2px;font-size:0}
 #fullscreen::before{content:'⛶';font-size:20px}
 .console-help .direction-help{font-size:8px}
 .scores{gap:8px}.scores span{letter-spacing:.3px}
}
.console{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:24px}
.console-side{display:flex;flex-direction:column;gap:12px;min-width:0}
.console-left{align-items:flex-start}.console-right{align-items:flex-end}
.console-side label{display:flex;align-items:center;gap:8px;font-size:9px;letter-spacing:1px;min-width:0;max-width:100%}
.console-options{display:flex;align-items:center;justify-content:flex-end;gap:14px;flex-wrap:wrap;max-width:100%}
.console .language-control{margin:0}
.console select{max-width:100%;min-width:0;background:#f4f4efd9;border:1px solid #c5c4b8;padding:7px;font-size:11px}
.console #fullscreen{background:#f4f4efd9;max-width:100%}
.console-note,.console-help{width:auto;max-width:100%}
.dot{flex-shrink:0}
@media(max-width:750px),(pointer:coarse){
 .machine{flex-direction:column}
 .field{height:auto}
 .console{width:auto;min-height:108px;padding:4px 8px;border-left:0;border-top:2px solid #242321;gap:8px}
 .console-side{gap:4px}
 .console-left>label{flex-direction:column;align-items:flex-start;gap:3px;width:100%}
 .console-side label{font-size:8px;letter-spacing:.3px}
 .console select{width:100%;height:34px;padding:3px;font-size:10px}
 .console-options{flex-direction:column;align-items:flex-end;gap:4px;width:100%}
 .console .language-control{width:100%}
 .console .language-control>span{display:none}
 .console #fullscreen{margin:0;width:34px;height:34px}
 .console-note{font-size:8px;line-height:1.3;gap:4px;overflow-wrap:anywhere}
 .console-help{display:none}
 footer{display:none}
}
@media(max-width:400px){
 .keys{grid-template-columns:repeat(3,44px)}
 .keys button{width:44px;height:44px}
}
.machine:fullscreen{width:100vw;height:100dvh;max-width:none;max-height:none;margin:0;padding:0;border:0;display:flex;flex-direction:column;overflow:hidden}
.machine:fullscreen .field{flex:1;min-height:0;width:100%;height:auto;aspect-ratio:auto}
.machine:fullscreen .console{flex:none;width:100%;border-left:0}
.machine::backdrop{background:#242321}