:root{--bg:#f7f3ec;--card:#fffdf9;--ink:#1f1d1a;--muted:#7a736a;--line:#e6dfd3;--accent:#c8423b;--accent-soft:#f6dcd8;--indigo:#2f4b7c;--good:#3c8a5a;--warn:#d4952b;--bad:#c8423b;--key:#fbf8f2;--shadow:0 1px 2px #3c28140f, 0 8px 24px #3c28140f;--f0:#f4e3e1;--f1:#f5ecd9;--f2:#e3eedf;--f3:#dde8f3;--f4:#e7e0f2;--f5:#dde8f3;--f6:#e3eedf;--f7:#f5ecd9;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#171614;--card:#211f1c;--ink:#eee8de;--muted:#9a9288;--line:#36322d;--accent:#e8665d;--accent-soft:#4a2826;--indigo:#8fa8d8;--good:#5fb07f;--warn:#e0ad4f;--bad:#e8665d;--key:#2a2723;--shadow:0 1px 2px #0000004d;--f0:#3d2a28;--f1:#3a3224;--f2:#2a3528;--f3:#27313d;--f4:#322c3d;--f5:#27313d;--f6:#2a3528;--f7:#3a3224;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--ink);font-family:var(--font-jp), "Hiragino Sans", "Yu Gothic UI", "Microsoft YaHei", 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0;border:0;padding:0;font-size:.85rem}.chips{flex-wrap:wrap;gap:6px;display:flex}.chip{border:1px solid var(--line);background:var(--card);border-radius:999px;align-items:baseline;gap:6px;padding:5px 12px;transition:background .15s,border-color .15s;display:inline-flex}.chip.on{background:var(--accent-soft);border-color:var(--accent)}.chip-kana{font-size:1rem}.chip-romaji{color:var(--muted);font-size:.75rem}.toggle{align-items:center;gap:6px;font-size:.9rem;display:inline-flex}.toggle input{accent-color:var(--accent);width:16px;height:16px}.start-line{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.primary,.secondary{border:1px solid var(--accent);border-radius:10px;padding:11px 28px;font-weight:700}.primary{background:var(--accent);color:#fff}.primary:disabled{opacity:.4;cursor:not-allowed}.secondary{color:var(--accent);background:0 0}.map-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;display:flex}.map-grid{flex-wrap:wrap;gap:10px 18px;display:flex}.map-row{gap:3px;display:flex}.map-cell{border:1px solid var(--line);border-radius:6px;place-items:center;min-width:30px;height:30px;padding:0 3px;font-size:.95rem;display:inline-grid}.m-untested{background:var(--bg);color:var(--muted)}.m-weak{background:color-mix(in srgb, var(--bad) 22%, var(--card))}.m-learning{background:color-mix(in srgb, var(--warn) 25%, var(--card))}.m-mastered{background:color-mix(in srgb, var(--good) 28%, var(--card))}.legend{color:var(--muted);flex-wrap:wrap;gap:16px;margin-top:16px;font-size:.8rem;display:flex}.legend span{align-items:center;gap:6px;display:inline-flex}.legend .map-cell{border-radius:4px;width:14px;min-width:14px;height:14px;padding:0}.drill{position:relative}.drill-top{align-items:center;gap:12px;display:flex}.progress{background:var(--line);border-radius:3px;flex:1;height:6px;overflow:hidden}.progress div{background:var(--accent);height:100%;transition:width .2s}.icon{background:0 0;border:0;padding:2px;font-size:1.1rem}.stage{cursor:text;flex-direction:column;justify-content:center;align-items:center;min-height:240px;margin:12px 0 8px;display:flex;position:relative}.current{flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:4px;display:flex}.unit{flex-direction:column;align-items:center;display:flex}.unit .glyph{font-size:7rem;font-weight:500;line-height:1.15}.current.is-word .unit .glyph{font-size:clamp(2.8rem,9vw,4.6rem)}.unit .romaji{color:var(--muted);letter-spacing:.04em;min-height:1.6em;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:1.25rem}.unit .romaji b{color:var(--accent);font-weight:700}.unit.done .glyph{color:var(--good)}.unit.now .glyph{color:var(--ink)}.current.is-word .unit.now .glyph{-webkit-text-decoration:underline 3px var(--accent);text-decoration:underline 3px var(--accent);text-underline-offset:10px}.unit.todo .glyph{color:color-mix(in srgb, var(--ink) 55%, transparent)}.tape{color:var(--muted);gap:14px;font-size:2rem;display:flex;position:absolute;top:50%;transform:translateY(-70%)}.tape-before{opacity:.45;right:calc(50% + 90px)}.tape-after{left:calc(50% + 90px)}.word-meta{align-items:baseline;gap:12px;margin-top:10px;font-size:1.1rem;display:flex}.word-meta .kanji{color:var(--indigo);font-size:1.4rem;font-weight:700}.next-words{gap:16px;margin-top:16px;font-size:.95rem;display:flex}.capture{opacity:0;cursor:text;width:100%;height:100%;position:absolute;inset:0}.focus-overlay{background:color-mix(in srgb, var(--card) 80%, transparent);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);pointer-events:none;border-radius:12px;place-items:center;font-weight:700;display:grid;position:absolute;inset:0}.ime-warning{background:var(--accent-soft);border:1px solid var(--accent);border-radius:10px;margin:0 0 12px;padding:10px 14px;font-size:.9rem}.live-stats{text-align:center;margin-top:10px;font-size:.85rem}.keyboard{-webkit-user-select:none;user-select:none;flex-direction:column;align-items:center;gap:5px;font-size:clamp(9px,2.2vw,15px);display:flex}.kb-row{gap:5px;display:flex}.key{border:1px solid var(--line);background:var(--key);border-bottom-width:3px;border-radius:.45em;place-items:center;width:2.9em;height:2.9em;font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:600;transition:transform 80ms,background .12s;display:grid;position:relative}.key 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