:root{--ink:#203435;--muted:#748180;--gold:#c49a57;--paper:#f6f4ee;--line:#dce0d9}*{box-sizing:border-box}body{margin:0;background:#e9ede7;color:var(--ink);font:14px -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic',sans-serif}button,input{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:transparent;color:inherit;padding:10px 14px;border-radius:4px}button:hover{background:#dbe4dc}button:focus-visible,input:focus-visible{outline:3px solid #c7994e;outline-offset:3px}button:disabled{cursor:not-allowed;opacity:.4}.primary{background:#bb9355;border-color:#bb9355;color:#142327;font-weight:700;padding:15px 20px;display:flex;align-items:center;justify-content:space-between;gap:24px}.primary:hover{background:#d3af75}.full{width:100%;margin-top:12px}.micro{font-size:11px;color:var(--muted);line-height:1.9}.eyebrow{font:10px/1.5 monospace;letter-spacing:2px;color:#8d7956}.landing{min-height:100svh;color:#f1f1e9;padding:36px 6vw;background:linear-gradient(90deg,rgba(9,25,29,.94),rgba(9,25,29,.55) 60%,rgba(9,25,29,.1)),url('assets/warehouse.png') center/cover #14272c}.brand{display:flex;align-items:center;gap:12px;font:11px monospace;letter-spacing:2px}.brand svg{width:35px;height:35px;color:#b9a17d}.brand small{display:block;color:#9daaa5;font-size:9px;letter-spacing:1px;margin-top:8px}.cover{padding:65px 0 60px;max-width:650px}.cover h1{font:500 clamp(64px,9vw,138px)/.91 Georgia,serif;letter-spacing:-5px;margin:25px 0}.cover h1 span{color:#c9b48e}.cover h1 i{color:#c39352;font-style:normal}.subtitle{font-family:'Yu Mincho',serif;font-size:20px;letter-spacing:5px}.lead{color:#abb8b5;line-height:2.3;margin:30px 0}.cover button{min-width:280px}.landing footer{border-top:1px solid #52645c66;padding-top:20px;font:10px monospace;letter-spacing:2px;display:flex;justify-content:space-between;color:#b1bbb3}header{background:#182e31;color:#e4e8df;min-height:64px;padding:12px 28px;display:flex;align-items:center;justify-content:space-between;gap:12px}.wordmark{font:20px Georgia,serif;border:0;letter-spacing:1px;padding:0}.wordmark span{font:10px sans-serif;letter-spacing:1px;color:#8caaa6}.topright{display:flex;align-items:center;gap:22px}.topright button{border-color:#4b605e;font-size:11px}.save{font-size:10px;color:#a5b9a9}.chapterbar{padding:25px 30px 22px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #cbd5cc}.chapterbar h1{font:600 24px 'Yu Mincho',serif;margin:6px 0}.chapterbar p{font:11px monospace;color:#6e7a74}.chapterbar b{margin-left:16px;font-size:15px;color:#263d3c}.workspace{display:grid;grid-template-columns:255px minmax(330px,1fr) 290px;min-height:calc(100vh - 170px);max-width:1600px;margin:auto}.inbox{border-right:1px solid #d0d9d0;background:#e4e9e2}.paneltitle{display:flex;justify-content:space-between;font-size:12px;font-weight:600}.inbox>.paneltitle{padding:23px 18px 14px}.paneltitle span{font-size:10px;color:var(--muted);font-weight:400}.tabs{display:flex;gap:3px;padding:0 10px 15px;flex-wrap:wrap}.tabs button{padding:7px 8px;font-size:10px;border:0}.on,.tabs .on{background:#cedbd1}.docitem{display:block;width:100%;text-align:left;padding:18px;border:0;border-bottom:1px solid #d1d9d0;border-radius:0;}.docitem.active{background:#f7f6ef;}.doctype{display:flex;justify-content:space-between;font-size:9px;color:#738078}.doctype i{font-style:normal;color:#ac884c}.docitem strong{display:block;font-size:12px;font-weight:500;margin:8px 0}.docitem small{font:10px monospace;color:#89938b}.reader{padding:18px 24px;background:#f0f1ea;min-width:0}.readerbar{display:flex;align-items:center;justify-content:space-between;gap:10px;font:10px monospace;color:#7c867c;margin-bottom:18px}.readerbar button{font:11px sans-serif}.paper{background:#fffcf5;border:1px solid #e4e1d5;box-shadow:0 8px 18px #34463807;padding:30px;min-height:510px}.paper h2{font:600 23px/1.6 'Yu Mincho',serif;margin:18px 0}.meta{font-size:10px;line-height:1.9;color:#7e867a;border-bottom:1px solid #e4e3d7;padding-bottom:22px}.bodycopy{font-size:13px;line-height:2.1;padding:25px 0 40px;overflow-wrap:anywhere}.stamp{border-top:1px solid #e8e5d9;padding-top:15px;font:9px monospace;letter-spacing:1px;color:#a2a294;display:flex;justify-content:space-between}.notebook{padding:25px 20px;}.notebook h2{font:600 21px 'Yu Mincho',serif}.question{font-size:13px;line-height:1.9}hr{border:0;height:1px;background:#ccd4ca;margin:23px 0}.empty{font-size:12px;color:#8c968b;padding:22px 0;line-height:2}.evidence{display:flex;gap:10px;border-bottom:1px solid #d4dace;padding:13px 0;cursor:pointer}.evidence input{accent-color:#a48044;flex-shrink:0}.evidence strong{font-size:11px;font-weight:600}.evidence small{display:block;font-size:10px;color:#758171;margin-top:7px;line-height:1.8}.hint{font-size:11px;border:0;display:block;margin:12px auto}.hinttext{font-size:12px;line-height:1.9;background:#e0e5d8;padding:14px}.pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.pair .paper{padding:18px}.pair h2{font-size:17px}.veil{position:fixed;inset:0;z-index:5;background:#0c2428bb;display:grid;place-items:center;padding:20px;backdrop-filter:blur(5px)}.modal{background:var(--paper);max-width:650px;width:100%;max-height:90svh;overflow:auto;padding:35px;border-top:3px solid var(--gold);box-shadow:0 20px 80px #0004}.modal h2{font:600 26px/1.6 'Yu Mincho',serif}.modal>p{font-size:13px;line-height:2}.close{float:right;font-size:11px;border:0}.choice{display:flex;gap:10px;border:1px solid #d6dbd1;padding:15px;margin:10px 0;font-size:13px}.check{display:flex;gap:10px;padding:10px 0;font-size:12px}input{accent-color:#9c7d44}.feedback{font-size:12px;color:#945130;line-height:1.9}blockquote{margin:25px 0;padding:15px;font-family:'Yu Mincho',serif}.finding{background:#e5e8dc;font-size:12px;padding:20px;line-height:2}.tree{max-width:1000px;margin:auto;padding:35px 25px}.treehead{display:flex;justify-content:space-between;align-items:center;gap:20px}.treehead h2{font:28px 'Yu Mincho',serif}.treehead p{font-size:12px;line-height:1.8}.treepath{padding:20px 0}.treelevel{display:flex;align-items:center;position:relative;padding-bottom:26px}.treelevel:after{content:'';position:absolute;left:25%;bottom:0;height:26px;width:1px;background:#bcc8bd}.node{padding:20px 25px;background:#f5f5ed;border:1px solid #cbd5c8;border-radius:5px;width:50%}.node span{font:10px monospace;letter-spacing:2px}.node h3{font:18px 'Yu Mincho',serif;margin:12px 0}.node small{font-size:10px;color:#7c897a}.node button{display:block;margin-top:12px;font-size:11px}.available{border-color:#aa8a53}.branch{display:flex;align-items:center;width:50%}.branch>span{padding:0 12px;color:#a8b5a7}.branch .node{width:100%}.locked{opacity:.65}.finalnodes{display:flex;gap:20px}.warning{background:#fff0cd;padding:12px}@media(min-width:1450px){.reader{padding:20px 40px}.paper{padding:40px}}@media(max-width:1100px){.workspace{grid-template-columns:210px minmax(300px,1fr)}.notebook{grid-column:1/-1;border-top:1px solid #d1d9d0}.pair{grid-template-columns:1fr}.notebook .evidence{max-width:700px}}@media(max-width:700px){header{padding:13px 15px}.wordmark{font-size:18px}.wordmark span,.save{display:none}.topright{gap:0}.chapterbar{padding:18px}.chapterbar p{font-size:9px}.chapterbar b{display:block;margin:5px 0;text-align:right}.workspace{display:block}.inbox{border-right:0}.doclist{display:flex;overflow:auto;scroll-snap-type:x mandatory}.docitem{min-width:205px;max-width:205px;border-bottom:3px solid transparent;scroll-snap-align:start}.docitem.active{border-bottom-color:#b28b4d}.tabs{padding-bottom:8px}.reader{padding:15px}.paper{padding:23px;min-height:420px}.paper h2{font-size:21px}.notebook{padding:25px}.modal{padding:23px}.modal h2{font-size:22px}.tree{padding:25px 15px}.treehead{display:block}.treehead button{margin-top:10px}.node{padding:15px}.node h3{font-size:14px;line-height:1.7}.node span{font-size:8px;letter-spacing:1px}.branch>span{padding:0 4px}.landing{padding:25px;background-position:60% center}.cover{padding-top:60px}.cover h1{font-size:85px;letter-spacing:-3px}.subtitle{font-size:15px;letter-spacing:3px}.landing footer{font-size:9px;line-height:2;display:block}.landing footer span{display:block}.cover .primary{width:100%}.cover{padding-bottom:40px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}