@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600&family=Noto+Serif+JP:wght@400;500&display=swap');
:root{font-family:'Noto Sans JP',sans-serif;color:#244c49;background:#eef3ed;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 80% 28%,#dbe9e155,transparent 60%)}main{max-width:1040px;margin:auto;padding:34px 52px 24px}header{display:flex;align-items:center;justify-content:space-between}.brand{text-decoration:none;color:inherit;font-family:'Noto Serif JP',serif;font-size:21px;letter-spacing:.12em}.brand span{font-size:31px;vertical-align:middle;margin-right:9px}.tag,.eyebrow{font-size:10px;letter-spacing:.2em}.tag{border:1px solid #bacac0;border-radius:20px;padding:8px 13px}.intro{padding-top:92px;max-width:470px}.eyebrow{font-size:12px;letter-spacing:.19em;color:#66817a}h1{font-family:'Noto Serif JP',serif;font-size:56px;font-weight:400;line-height:1.65;letter-spacing:.12em;margin:18px 0 24px}.lead{font-size:13px;line-height:2.2;color:#6c8178}.instrument{width:370px;margin:-380px 0 36px auto;text-align:center}.scene{height:312px;position:relative;display:grid;place-items:center}.orbit{position:absolute;border:1px solid #cadbd0;border-radius:50%;width:285px;height:285px}.o2{width:235px;height:235px;border-style:dashed;opacity:.7}.vessel{width:144px;height:202px;border:1px solid #94b5a9;border-top:2px solid #a7c2b7;position:relative;border-radius:12px 12px 48px 48px;overflow:hidden;transform:rotate(-8deg);background:linear-gradient(115deg,#ffffff88,#ffffff11);box-shadow:8px 18px 30px #526b5f10;transition:transform .2s}.water{position:absolute;left:-90px;right:-90px;height:220px;top:98px;background:linear-gradient(#91bdb7b3,#367f7f);transform:rotate(8deg);transition:transform .2s,top .2s}.surface{position:absolute;top:-9px;height:19px;background:#b4d5ca;border-radius:50%;width:100%}.shine{position:absolute;top:20px;bottom:26px;width:6px;left:14px;border-radius:20px;background:#ffffff55}.line{position:absolute;width:12px;height:1px;background:#f0f7ee99;right:12px}.l1{top:62px}.l2{top:94px}.l3{top:126px}.scene-caption{position:absolute;bottom:-1px;font-size:10px;letter-spacing:.18em;color:#799086}.readings{display:flex;justify-content:center;align-items:center;gap:42px;margin:26px 0 18px}.label{font-size:10px;color:#789083;letter-spacing:.12em}.readings p{margin:5px 0 0}.readings b{font-size:30px;font-weight:400;font-variant-numeric:tabular-nums}.readings p span{font-size:13px;margin-left:7px;color:#799086}.divider{height:32px;width:1px;background:#d4dfd5}.meter{height:3px;background:#d9e3d9;border-radius:4px;margin-bottom:24px;overflow:hidden}.meter div{height:100%;width:0;background:#4d8d7d;transition:width .12s}button,input{font:inherit}button{cursor:pointer}.primary{border:0;background:#28594f;color:#f6f8ee;border-radius:7px;padding:17px;width:100%;font-size:13px;letter-spacing:.1em;box-shadow:0 5px 12px #244c4910}.primary:hover{background:#35695e}.primary span{margin-right:8px}button:focus-visible,input:focus-visible{outline:3px solid #6b9a87;outline-offset:4px}#status{font-size:10px;line-height:1.8;color:#6a8175;min-height:36px;margin:14px 0 4px}.secondary{display:flex;justify-content:space-between}.secondary button,#sensor{font-size:10px;background:none;color:#607e70;border:0;text-decoration:underline;text-underline-offset:4px;padding:8px 0}button:disabled{opacity:.4;cursor:default}.notes{display:flex;gap:38px;border-top:1px solid #cfdbd0;padding-top:24px;margin-top:60px}.notes>div{display:flex;gap:15px;align-items:baseline}.notes>div>span{font-size:11px;color:#8aa294}.notes p{font-size:12px;margin:0;letter-spacing:.05em}.notes small{display:block;font-size:10px;color:#819284;margin-top:8px}footer{display:flex;justify-content:space-between;margin-top:54px;color:#84958a;font-size:9px;letter-spacing:.07em}details{margin-top:22px;font-size:10px;color:#7a8b80;line-height:1.9}summary{cursor:pointer}#demoPanel{text-align:left;background:#e3ece2;padding:18px;margin-top:15px;border-radius:8px}#demoPanel label{font-size:11px;display:flex;justify-content:space-between}#demoPanel input{width:100%;margin:18px 0 0;accent-color:#28594f}#demoPanel p{font-size:10px;color:#6a8175}@media(max-width:760px){main{padding:24px 26px}.tag{font-size:8px}.intro{padding-top:46px;text-align:center;max-width:none}h1{font-size:36px;line-height:1.6;margin:16px 0}.lead{font-size:11px}.instrument{width:100%;max-width:360px;margin:5px auto 0}.scene{height:265px}.orbit{width:238px;height:238px}.o2{width:199px;height:199px}.vessel{width:124px;height:174px}.water{top:85px}.scene-caption{bottom:0}.readings{margin-top:23px}.notes{margin-top:36px;gap:20px;justify-content:center}.notes>div{gap:10px}.notes p{font-size:10px}.notes small{font-size:9px;line-height:1.8}footer{margin-top:30px;gap:12px;flex-wrap:wrap;font-size:8px}details{margin-top:20px}}
.audio-help{display:flex;gap:8px;margin-top:12px}.audio-help button{flex:1;border:1px solid #afc7b8;background:#f8faf3;color:#28594f;border-radius:6px;padding:11px 7px;font-size:10px}.diagnostics{font-size:9px;line-height:1.7;color:#6a8175;text-align:left}.direct-audio{text-align:left;margin:12px 0 16px}.direct-audio audio{width:100%;margin:8px 0}.instrument{margin-bottom:36px}.notes{clear:both}
@media(min-width:761px){.instrument{margin-top:-380px}.notes{margin-top:48px}}