:root{--font-serif: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;--font-sans: "Noto Sans JP", "Yu Gothic", "Hiragino Sans", system-ui, sans-serif;background:#e9dfd2;color:#2a2520;font-family:var(--font-sans)}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}.app-shell{background:radial-gradient(circle at top left,rgb(184 92 58 / .08),transparent 28rem),linear-gradient(90deg,rgb(42 37 32 / .025) 1px,transparent 1px),#f8f4ed;background-size:auto,16px 16px,auto;min-height:100vh;margin:0 auto;max-width:430px}.screen{min-height:100vh;padding:18px 16px 86px}.topbar{align-items:center;display:flex;justify-content:space-between;min-height:36px}.brand{color:#6b5f52;font-size:.78rem;font-weight:700;letter-spacing:.06em}.serif{font-family:var(--font-serif)}.muted{color:#6b5f52}.label{color:#b85c3a;font-size:.78rem;font-weight:700}.stack{display:grid;gap:14px}.large-text{font-size:1.12rem}@media(min-width:900px){body{background:linear-gradient(90deg,rgb(42 37 32 / .035) 1px,transparent 1px),#e7dccd;background-size:24px 24px,auto}.app-shell{background:radial-gradient(circle at 20% 10%,rgb(184 92 58 / .1),transparent 26rem),linear-gradient(90deg,rgb(42 37 32 / .025) 1px,transparent 1px),#f8f4ed;background-size:auto,18px 18px,auto;max-width:none}.screen{margin:0 auto;max-width:1180px;min-height:100vh;padding:48px 32px 48px 284px}.topbar{min-height:48px}.brand{font-size:.86rem}.stack{gap:18px}}