:root{color-scheme:light;--desk:#eeece9;--ink:#302924;--muted:#665c55;--accent:#96565c;--paper:#fff;--line:#d7d1cb;--header:58px;--footer:105px;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:var(--desk)}*{box-sizing:border-box}body{margin:0}button,a,select{-webkit-tap-highlight-color:transparent}button,select{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.35}a{color:inherit}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.masthead{height:var(--header);max-width:1040px;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}.book-title{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-size:20px;font-weight:600;text-decoration:none;letter-spacing:.03em}.utility{display:flex;align-items:center;gap:7px;min-height:44px;padding:8px 12px;border:0;background:none;color:var(--ink);font-size:14px}.utility:hover{background:#e1dcd7;border-radius:8px}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.stage{min-height:calc(100svh - 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