:root{color-scheme:light;font-family:system-ui,-apple-system,"Yu Gothic",Meiryo,sans-serif;color:#183045;background:#f4f7fa;font-synthesis:none}*{box-sizing:border-box}body{margin:0}main{max-width:1180px;margin:auto;padding:26px 24px 40px}nav{display:flex;justify-content:space-between;gap:16px;font-size:14px}a{color:#17669f;text-underline-offset:3px}header{max-width:900px;margin:36px 0 24px}.eyebrow{color:#537187;font-size:13px;font-weight:700;letter-spacing:.04em}h1{font-size:clamp(24px,3vw,33px);line-height:1.55;margin:10px 0 16px;font-weight:750}h2{font-size:19px;line-height:1.55;margin:0}h3{font-size:14px;font-weight:650;margin:12px 0 4px}p{line-height:1.8;margin:10px 0}.intro{font-size:16px}.scope,.small{font-size:13px;color:#4e6475}.scope{border-left:3px solid #9eb5c6;padding-left:14px}.controls{display:flex;align-items:end;gap:12px;flex-wrap:wrap;margin:20px 0}.controls label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:650}.controls p{width:100%;margin:0;font-size:14px}button,select{font:inherit;font-size:14px;min-height:42px;border:1px solid #b6c9d8;border-radius:7px;background:white;color:#174164;padding:8px 13px;cursor:pointer}button:hover{background:#eaf3fb}button:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #e4a53c;outline-offset:3px}button:disabled{opacity:.5;cursor:wait}#play{background:#176ba5;color:white;border-color:#176ba5;min-width:135px}.stage{background:white;border:1px solid #dbe5ec;border-radius:12px;padding:20px;margin:18px 0}.stage-heading{display:flex;align-items:baseline;gap:11px}.stage-heading b{display:inline-flex;justify-content:center;align-items:center;background:#eaf3fa;color:#17669f;border-radius:50%;width:29px;height:29px;flex:none;font-size:17px}.geometry-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:30px;align-items:center}svg{display:block;width:100%;overflow:visible}#orbit{max-width:245px;margin:auto}#geometry{min-height:220px}.playback{display:flex;gap:12px;align-items:center;flex-wrap:wrap;border-top:1px solid #e4ebf1;padding-top:17px;margin-top:12px}.playback label{font-size:13px}.playback input{flex:1;min-width:180px;accent-color:#176ba5;min-height:32px}.playback output{min-width:45px;font-variant-numeric:tabular-nums;font-weight:700}.reading{background:#f0f6fa;border-radius:7px;padding:10px 14px;font-size:14px;min-height:44px}.reading.edge{background:#fff3de;color:#805516}.two-stages{display:grid;grid-template-columns:1fr 1fr;gap:18px}.two-stages .stage{margin:0}.weights{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;min-height:38px}.weight-tag{font-size:14px;border-left:4px solid;padding:5px 9px;background:#f7f9fb;font-variant-numeric:tabular-nums}#progress-label{font-size:14px;min-height:38px;margin:12px 0 0;font-variant-numeric:tabular-nums}.family-label{display:flex;align-items:baseline;gap:14px;margin-top:14px;font-size:14px}.family-label strong{color:#174f75}.family-label span{color:#5c7081;font-size:12px}.downloads{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 0}#save-status{font-size:13px}details{margin-top:22px;font-size:14px;line-height:1.8;background:#edf3f7;border-radius:8px;padding:16px 20px}summary{font-weight:700;cursor:pointer}li{margin:8px 0}footer{font-size:12px;color:#647c8f;margin-top:25px}#error{color:#982c27;background:#fff2f0;padding:16px}svg text{font-family:system-ui,-apple-system,"Yu Gothic",Meiryo,sans-serif;font-variant-numeric:tabular-nums}svg path,svg line,svg circle{vector-effect:non-scaling-stroke}@media(max-width:720px){main{padding:18px 14px 32px}header{margin-top:23px}.intro{font-size:14px}.stage{padding:15px}.geometry-layout{grid-template-columns:1fr;gap:4px}.geometry-layout>div:first-child{display:grid;grid-template-columns:85px 1fr;align-items:center}#orbit{max-width:185px}#geometry{min-height:200px}.two-stages{grid-template-columns:1fr;gap:18px}.playback input{order:5;width:calc(100% - 56px);min-width:100px}.playback output{order:6}.playback label{order:4;width:100%}h2{font-size:17px}.controls{gap:10px}.controls label{flex:1;min-width:135px}.controls button{flex:1}button,select{min-height:44px}.small{font-size:12px}.family-label{display:block}.family-label span{display:block}.family-stage{padding:14px}.downloads button{width:100%}}
@media(max-width:720px){.controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.controls label{min-width:0}.controls button{width:100%}.controls p{grid-column:1/-1}}
.controls .focus-control{min-width:235px}.controls select{max-width:100%}#blur-description{min-height:47px;margin:8px 0 0;font-variant-numeric:tabular-nums}@media(max-width:720px){.controls .focus-control{grid-column:1/-1;min-width:0}#blur-description{min-height:0}}