:root{--bg:#f5f3eb;--ink:#343b30;--muted:#7c8074;--line:#dddcd1;--accent:#b65d46;--olive:#4d5943;--paper:#fffef9}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans",sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;transition:background .2s,transform .2s}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #b65d4680;outline-offset:4px}header{max-width:1440px;margin:auto;padding:30px 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid 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/* Release export controls. Keep touch targets readable on small phones. */
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