:root{--color-bg:#faf8f4;--color-surface:#f0ede6;--color-surface-hover:#e8e3d9;--color-border:#d4cec4;--color-border-strong:#b8b0a4;--color-ink:#1a1510;--color-ink-muted:#7a7265;--color-ink-subtle:#a89f94;--color-accent:#2d4a8f;--color-accent-hover:#1e3570;--color-accent-surface:#2d4a8f14;--color-correct:#3a7d44;--color-correct-surface:#3a7d441a;--color-error:#c13a2e;--color-error-surface:#c13a2e1a;--font-ui:var(--font-dm-sans),-apple-system,sans-serif;--font-heading:var(--font-noto-serif-jp),serif;--font-jp:var(--font-noto-sans-jp),sans-serif;--radius-sm:4px;--radius-md:8px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 3px #1a15101a;--shadow-md:0 4px 12px #1a15101f;--shadow-lg:0 8px 32px #1a151026}[data-theme=dark]{--color-bg:#1a1510;--color-surface:#2a2420;--color-surface-hover:#352f28;--color-border:#3d3530;--color-border-strong:#52473f;--color-ink:#f0ede6;--color-ink-muted:#a89f94;--color-ink-subtle:#7a7265;--color-accent:#6b8fd4;--color-accent-hover:#8aa8e8;--color-accent-surface:#6b8fd41f;--color-correct:#5aaa6e;--color-correct-surface:#5aaa6e1f;--color-error:#e06050;--color-error-surface:#e060501f;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 12px #00000059;--shadow-lg:0 8px 32px #00000073}[data-theme=dark] .hamburger-menu{background:#f0ede6f7;border-left:1px solid #0000001a;box-shadow:-4px 0 32px #00000080}[data-theme=dark] .menu-link{color:#1a1510;background:#0000000a;border:1px solid #00000014}[data-theme=dark] .menu-link:hover{color:#1e3570;background:#2d4a8f1a;border-color:#2d4a8f40}.theme-ready *{transition:background-color .2s,border-color .2s,color .2s,box-shadow .2s!important}body{font-family:var(--font-ui);background:var(--color-bg);color:var(--color-ink)}