:root{--bg:#f7f7f5;--surface:#fff;--text:#1f2328;--muted:#6b7280;--border:#e3e3de;--accent:#0f766e;--accent-ink:#fff;--ok:#15803d;--ng:#b91c1c;--hint:#fde68a;--gyosei:#1d4ed8;--minpo:#9333ea;--kw0:#fde68a;--kw1:#bfdbfe;--kw2:#bbf7d0;--kw3:#fbcfe8;--kw4:#ddd6fe;--kw5:#fed7aa;--again:#dc2626;--hard:#d97706;--good:#16a34a;--easy:#2563eb;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#121416;--surface:#1c1f22;--text:#e8e8e6;--muted:#9aa0a6;--border:#2e3236;--accent:#14b8a6;--accent-ink:#062a27;--hint:#854d0e;--kw0:#854d0e;--kw1:#1e3a8a;--kw2:#14532d;--kw3:#831843;--kw4:#4c1d95;--kw5:#7c2d12;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}html{background:var(--surface)}body{background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%;font-family:system-ui,-apple-system,Hiragino Sans,Yu Gothic 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var(--border);background:var(--bg);cursor:pointer;touch-action:manipulation;border-radius:10px;flex:1;min-height:44px;font-weight:600}.segmented button.on.ok{background:var(--ok);border-color:var(--ok);color:#fff}.segmented button.on.ng{background:var(--ng);border-color:var(--ng);color:#fff}.chips{flex-direction:column;gap:6px;margin-bottom:8px;display:flex}.chip{text-align:left;border:1px solid var(--border);border-left:6px solid var(--kw);background:var(--bg);cursor:pointer;touch-action:manipulation;border-radius:10px;align-items:center;gap:10px;width:100%;min-height:44px;padding:6px 10px;display:flex}.chip.on{background:var(--kw);border-color:var(--kw);font-weight:600}.chip.bonus{border-style:dashed dashed dashed 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