:root{--bg:#f0eee4;--ink:#202e2a;--muted:#5c625b;--panel:#25322e;--panel-dark:#1b2622;--cream:#eeeadd;--accent:#f3bd6b;--line:#c3c4b8}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 system-ui,-apple-system,"Apple SD Gothic Neo",sans-serif}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit}button,select{cursor:pointer}button{min-height:44px;border:1px solid #a6afa1;background:var(--cream);color:var(--ink);padding:9px 14px;border-radius:4px}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #bd5b22;outline-offset:3px}header,main,footer{max-width:1180px;margin:auto}header{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:90px;padding:20px 32px;border-bottom:1px solid var(--line)}.brand{font-size:18px;font-weight:850;text-decoration:none;letter-spacing:.06em;display:flex;align-items:center;gap:12px}.brand>span{font-size:30px}.brand small{font-size:11px;letter-spacing:0;font-weight:500}header>a:last-child{font-size:13px}main{padding:36px 32px 0}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}.eyebrow{font-size:10px;font-weight:750;letter-spacing:.18em;margin:0 0 12px;color:#5c644e}h1{font-size:clamp(30px,4vw,46px);line-height:1.3;letter-spacing:-.07em;margin:0;font-weight:800}h1 em{font-style:normal;color:#5c6f49}.intro>p{font-size:14px;color:var(--muted);margin:0 0 4px}.machine{background:var(--panel);border:1px solid #1c2723;border-radius:10px;color:var(--cream);box-shadow:0 8px 0 #c8cabc;padding:24px}.console-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:18px;border-bottom:1px solid #6c786750}.model{display:flex;align-items:center;gap:10px;font-family:ui-monospace,monospace;font-size:19px;font-weight:800;letter-spacing:.08em}.model small{font-size:9px;font-weight:400;letter-spacing:.1em}.power{width:9px;height:9px;border-radius:50%;background:var(--accent)}.badge{font:9px ui-monospace,monospace;color:#bac2b5;letter-spacing:.08em}.controls{display:flex;align-items:center;gap:26px;flex-wrap:wrap;padding:22px 0}.transport{display:flex;gap:7px}.play{min-width:100px;background:var(--accent);color:#382819;border-color:var(--accent);font-weight:800}.controls>label{display:flex;flex-direction:column;font-size:10px;letter-spacing:.07em;color:#c7cdbf;gap:5px}.controls select,.pattern-toolbar select{background:var(--panel-dark);color:var(--cream);border:1px solid #7a8876;border-radius:3px;min-height:42px;font-size:12px;padding:6px 10px}.tempo>span{display:flex;align-items:center;gap:7px;font:11px ui-monospace,monospace}.tempo input{width:78px;background:var(--panel-dark);color:var(--accent);border:1px solid #7a8876;border-radius:3px;padding:4px 6px;font:26px ui-monospace,monospace;min-height:42px}.controls input[type=range]{accent-color:var(--accent);width:124px;min-height:26px;margin:0}.controls label:last-child{position:relative}.controls output{position:absolute;right:0;top:0}.pattern-toolbar{display:flex;align-items:center;gap:7px;border-top:1px solid #6c786750;padding:16px 0}.pattern-toolbar>span{font-size:12px;margin-right:auto;color:#c7cdbf}.pattern-toolbar button{font-size:12px;padding:6px 10px}.track{display:grid;grid-template-columns:74px minmax(0,1fr);gap:16px;align-items:center;margin-bottom:15px}.track-label{font-size:13px;font-weight:700}.track-label small{display:block;font:9px ui-monospace,monospace;letter-spacing:.07em;color:#bac2b5}.step-grid{display:grid;grid-template-columns:repeat(16,minmax(0,1fr));gap:6px}.step{padding:0;min-height:56px;border:1px solid #788274;border-bottom-width:5px;background:#405044;border-radius:3px;position:relative;color:#e5ebdc;font:10px ui-monospace,monospace;display:flex;align-items:flex-end;justify-content:center;padding-bottom:5px}.step:nth-child(4n+1){border-left:3px solid #c1c7af}.step[aria-pressed=true]{background:var(--accent);color:#3a2b1e;border-color:#c48c44}.track:nth-child(2) .step[aria-pressed=true]{background:#b4c3a0;border-color:#82956d;color:#21301e}.track:nth-child(3) .step[aria-pressed=true]{background:#b3c9cd;border-color:#7a969d;color:#1c3339}.step::before{content:"";position:absolute;top:9px;width:7px;height:7px;border-radius:50%;background:#1e2b24}.step[aria-pressed=true]::before{background:#fff7d3}.step.current{outline:3px solid #fff9e6;outline-offset:2px}.step:focus-visible{outline:3px solid #fff;outline-offset:3px}.pattern-foot{display:flex;justify-content:space-between;gap:12px;margin:16px 0 22px;font:10px ui-monospace,monospace;color:#c7cdbf}.console-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:18px;border-top:1px solid #6c786750}.console-bottom p{font-size:12px;margin:0;color:#d6dccc}.download{min-width:216px;font-size:12px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:16px}.download span{font-size:10px;font-weight:400}.privacy-line{display:flex;align-items:flex-start;gap:10px;padding:20px 4px;color:var(--muted);font-size:12px}.privacy-line p{margin:0}.guide{padding:44px 0 60px}.guide>h2{font-size:30px;letter-spacing:-.05em;line-height:1.4;margin:0 0 36px}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.number{font:11px ui-monospace,monospace;letter-spacing:.07em;color:#5c6f49}.guide h3{font-size:18px;letter-spacing:-.04em;margin:12px 0}.guide p{font-size:14px;color:var(--muted)}.method{border-top:1px solid var(--line);padding-top:16px;margin-top:24px}.method p{margin:8px 0}.method a{font-size:12px}footer{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:24px 32px;font-size:11px;color:var(--muted)}footer nav{display:flex;gap:18px}.skip{position:absolute;left:12px;top:-70px;background:var(--ink);color:white;padding:12px;z-index:10}.skip:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:840px){.controls{gap:18px}.step-grid{gap:4px}.track{gap:10px;grid-template-columns:62px minmax(0,1fr)}.step{min-height:48px}.badge{display:none}.intro{align-items:flex-start;flex-direction:column;gap:12px}.intro>p br{display:none}.guide-grid{grid-template-columns:1fr;gap:22px}.guide h3{margin-top:8px}.guide p{margin:8px 0}}@media(max-width:600px){header{min-height:70px;padding:14px 20px}.brand{font-size:15px;gap:8px}.brand small{display:none}main{padding:26px 16px 0}.intro{padding:0 4px}h1{font-size:32px}.machine{padding:18px 14px}.model small{font-size:8px}.controls{gap:16px;display:grid;grid-template-columns:1fr 1fr}.transport{grid-column:1/-1}.transport button{flex:1}.controls>label:last-child{grid-column:1/-1}.controls input[type=range]{width:100%}.pattern-toolbar{flex-wrap:wrap}.pattern-toolbar>span{width:100%;margin-bottom:4px}.pattern-toolbar select{flex:1}.track{grid-template-columns:1fr;gap:6px;margin:18px 0}.track-label{display:flex;align-items:center;gap:8px}.step-grid{grid-template-columns:repeat(8,minmax(0,1fr));gap:6px}.step{min-height:47px}.pattern-foot{font-size:8px}.console-bottom{flex-direction:column;align-items:stretch;gap:12px}.download{width:100%}.guide{padding:28px 4px 44px}.guide>h2{font-size:26px;margin-bottom:26px}footer{padding:24px 20px;flex-direction:column}.privacy-line{font-size:11px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}.step.current{outline-color:#fff9e6}}