:root{--bg:#f5f2ec;--paper:#fffdf9;--ink:#303b3c;--muted:#758079;--line:#e3dbcf;--accent:#ad665a;--green:#647b6b;--shadow:0 8px 32px #4e3c2410}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;line-height:1.7}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}input,textarea,select{width:100%;min-width:0;border:1px solid var(--line);border-radius:10px;background:white;padding:10px 12px;font-size:16px}textarea{resize:vertical;line-height:1.7}input[type=file]{font-size:13px;padding:9px}input[type=color]{height:47px;padding:5px}input[type=checkbox]{width:18px;height:18px;flex:none;accent-color:var(--accent)}label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:650;margin:14px 0}label.check{flex-direction:row;align-items:center;font-weight:400}small{font-weight:400;color:var(--muted)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,canvas:focus-visible{outline:3px solid #cca98b;outline-offset:3px}.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:15px max(20px,calc((100vw - 1130px)/2));background:#fffdf9f5;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.brand{display:flex;gap:11px;align-items:center;text-decoration:none;color:var(--ink)}.brand b{font-family:Georgia,serif;letter-spacing:.13em;font-size:22px;line-height:1.1}.brand small{display:block;font-size:11px;color:var(--muted);letter-spacing:.04em}.brand small span{margin-left:5px}.mark{background:var(--accent);color:white;width:45px;height:45px;border-radius:15px;display:grid;place-items:center;font-size:30px}.button{border:1px solid var(--line);padding:11px 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minmax(280px,.8fr);gap:28px;align-items:start}.canvas-column{min-width:0}.canvas-toolbar{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:650}.canvas-wrap{background:#e8e3d9;border:1px solid var(--line);border-radius:9px;overflow:hidden;line-height:0;max-width:560px;margin:auto;box-shadow:0 5px 25px #392c2310}.canvas-wrap canvas{width:100%;height:auto;display:block;touch-action:pan-y;cursor:move}.canvas-wrap canvas.dragging{touch-action:none}.editor-column label:first-child{margin-top:0}.compact{gap:0 12px}.compact label{font-size:12px;margin:7px 0}.editor-column details{font-size:12px}.reference-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:14px}.ref-card{border:1px solid var(--line);border-radius:10px;padding:9px;background:white;min-width:0}.ref-card img{width:100%;height:130px;object-fit:contain;display:block;background:#f8f5ef}.ref-card b,.ref-card 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