:root{--bg: #fbfaf8;--surface: #fff;--ink: #16130f;--dim: #6b625a;--line: #e3ded6;--accent: #7a5c2e;color-scheme:light dark}:root:not([data-theme=light]){@media(prefers-color-scheme:dark){--bg: #14120f;--surface: #1c1916;--ink: #ece7e0;--dim: #9b928a;--line: #2e2924;--accent: #d3ad6a}}:root{--xpbar: 3.25rem}*{box-sizing:border-box}.xpbar{position:fixed;left:0;right:0;bottom:0;z-index:3;display:flex;align-items:center;gap:.6rem;height:calc(var(--xpbar) + env(safe-area-inset-bottom));padding:0 1rem env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--line)}.xpbar-level{color:var(--dim);font-size:.75rem;white-space:nowrap}.xpbar-level strong{color:var(--accent);font-size:1.15rem}.xpbar-track{flex:1;height:8px;border-radius:4px;background:var(--line);overflow:hidden}.xpbar-fill{height:100%;background:var(--accent);transition:width .42s cubic-bezier(.25,.6,.3,1)}.xpbar-num{font-size:.72rem;white-space:nowrap}.xp-dot{position:fixed;z-index:4;width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;background:var(--accent);box-shadow:0 0 6px color-mix(in srgb,var(--accent) 60%,transparent);pointer-events:none}@media(prefers-reduced-motion:reduce){.xpbar-fill{transition:none}}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,Hiragino Kaku Gothic ProN,Noto Sans CJK JP,Microsoft YaHei,sans-serif;-webkit-text-size-adjust:100%}main{max-width:44rem;margin:0 auto;padding-bottom:calc(var(--xpbar) + env(safe-area-inset-bottom))}header{position:sticky;top:0;background:var(--bg);border-bottom:1px solid var(--line);padding:.75rem 1rem calc(.5rem + env(safe-area-inset-top));z-index:1}.langs{display:flex;gap:.5rem;margin-bottom:.75rem}.langs button{flex:1;min-height:44px;border:1px solid var(--line);border-radius:.5rem;background:transparent;color:var(--dim);font:inherit;cursor:pointer}.langs button[aria-selected=true]{background:var(--surface);border-color:var(--accent);color:var(--ink)}input{width:100%;min-height:44px;padding:0 .75rem;border:1px solid var(--line);border-radius:.5rem;background:var(--surface);color:var(--ink);font:inherit}.home{padding:1.25rem 1rem calc(1.25rem + var(--xpbar) + env(safe-area-inset-bottom))}.level{display:flex;flex-direction:column;gap:.5rem;margin-top:1.25rem;padding:1rem;border:1px solid var(--line);border-radius:.75rem;background:var(--surface)}.level-top{display:flex;justify-content:space-between;align-items:baseline}.level-num{color:var(--dim);font-size:.9rem}.level-num strong{color:var(--accent);font-size:2.2rem;letter-spacing:.02em}.counts{display:flex;flex-wrap:wrap;gap:0 .75rem}.bar{display:block;height:6px;border-radius:3px;background:var(--line);overflow:hidden}.bar-fill{display:block;height:100%;background:var(--accent)}.actions{display:flex;flex-direction:column;gap:.5rem;margin-top:1.25rem}.actions button{display:grid;grid-template-columns:1fr auto;align-items:center;gap:.75rem;min-height:56px;padding:.6rem 1rem;border:1px solid var(--line);border-radius:.75rem;background:var(--surface);color:var(--ink);font:inherit;text-align:left;cursor:pointer}.actions button .dim{font-size:.8rem;white-space:nowrap}.settings h2{font-size:.85rem;color:var(--dim);font-weight:600;margin:1.5rem 0 .5rem}.settings .namefield{margin-top:0;font-size:1.1rem}.settings-row{display:flex;gap:.5rem;margin-top:.5rem}.settings button:not(.back){flex:1;min-height:48px;padding:0 1rem;border:1px solid var(--line);border-radius:.75rem;background:var(--surface);color:var(--ink);font:inherit;cursor:pointer}.settings .notice{margin-top:.75rem}.back{min-height:44px;margin-bottom:.5rem;padding:0 .5rem 0 0;border:0;background:transparent;color:var(--dim);font:inherit;cursor:pointer}.study{display:flex;flex-direction:column;min-height:100dvh;padding:1rem 1rem calc(1rem + var(--xpbar) + env(safe-area-inset-bottom))}.study-head{display:flex;justify-content:space-between;align-items:center}.study-word{margin:auto 0 1rem}.study-word .glyph{display:flex;align-items:center;justify-content:center;width:100%;aspect-ratio:1;padding:0;border:1px solid var(--line);border-radius:.5rem;background:transparent;color:inherit;font:inherit;font-size:clamp(2.25rem,13vw,4.5rem);line-height:1;cursor:pointer}.study-answer p{margin:0 0 .4rem}.reveal{flex:4;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.1rem;min-height:56px;border:1px solid var(--accent);border-radius:.75rem;background:transparent;color:var(--ink);font:inherit;cursor:pointer}.reveal .dim{font-size:.72rem}.knowit{border-color:var(--accent);color:var(--accent)}.study-fill{flex:1 1 auto}.grades{display:flex;gap:.3rem;margin-top:1rem}.grades button{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.1rem;min-height:56px;padding:.5rem .15rem;border:1px solid var(--line);border-radius:.75rem;background:var(--surface);color:var(--ink);font:inherit;font-size:.8rem;white-space:nowrap;cursor:pointer}.grades button:first-child{border-color:#b4472e;color:#b4472e}.grades button .dim{font-size:.72rem}.list{--row: 65px;list-style:none;margin:0;padding:0;position:relative}.list li{position:absolute;left:0;right:0;height:var(--row);border-bottom:1px solid var(--line)}.list button{display:grid;grid-template-columns:1fr auto;align-items:center;gap:0 .75rem;width:100%;height:100%;padding:.6rem 1rem;border:0;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer}.rw{display:flex;flex-direction:column;min-width:0}.word{font-size:1.4rem;letter-spacing:.08em;line-height:1.25}.reading{color:var(--dim);font-size:.8rem;line-height:1.35;letter-spacing:.02em}.meta{display:flex;flex-direction:column;align-items:flex-end;gap:.2rem;color:var(--dim);font-size:.8rem;text-align:right;white-space:nowrap}.tags{display:flex;gap:.2rem;min-height:1.15rem}.tag{border:1px solid var(--accent);border-radius:.25rem;padding:0 .3rem;color:var(--accent);font-size:.7rem;line-height:1.15rem}.dim{color:var(--dim);font-size:.85rem;margin:0}.src{display:inline-block;margin:.1rem 0 .6rem;padding:0 .35rem;border:1px solid var(--line);border-radius:.25rem;color:var(--dim);font-size:.68rem;line-height:1.5}.facts{display:flex;flex-wrap:wrap;gap:0 .5rem;margin:.25rem 0 .75rem}.facts span:not(:last-child):after{content:" ·";color:var(--line)}.via{opacity:.7;font-size:.8em;white-space:nowrap}.err{color:#b4472e}.pad{padding:1rem 1rem calc(1rem + var(--xpbar))}.sheet{position:fixed;inset:0;z-index:2;background:color-mix(in srgb,var(--bg) 80%,transparent);display:flex;flex-direction:column;align-items:center;overflow:auto;overscroll-behavior:contain}.sheet article{margin-top:auto;width:100%;max-width:44rem;background:var(--surface);border-top:1px solid var(--line);border-radius:1rem 1rem 0 0;padding:1.25rem 1rem calc(1.25rem + var(--xpbar) + env(safe-area-inset-bottom))}.sheet-close{position:fixed;right:1rem;bottom:calc(var(--xpbar) + .75rem + env(safe-area-inset-bottom));z-index:3;width:48px;height:48px;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--ink);font:inherit;font-size:1.5rem;line-height:1;cursor:pointer;box-shadow:0 2px 12px color-mix(in srgb,#000 25%,transparent)}@media(min-width:40rem){.sheet{padding:2rem 1rem}.sheet article{margin:auto;border-radius:1rem;border:1px solid var(--line)}}.furigana{margin:0 0 .4rem;text-align:center;color:var(--dim);font-size:.95rem;letter-spacing:.04em}.headword{display:flex;justify-content:center;gap:.2rem;margin:0 0 1rem}.romaja{margin:-.5rem 0 1rem;text-align:center;color:var(--dim);font-size:.9rem;letter-spacing:.03em}.cell{flex:1 1 0;min-width:0;max-width:7rem;display:flex;flex-direction:column}.ruby{text-align:center;color:var(--dim);font-size:.8rem;line-height:1.5;min-height:1.5em;letter-spacing:.02em;white-space:nowrap}.rlabel{display:inline-block;min-width:2.5em;color:var(--accent)}.headword button{width:100%;aspect-ratio:1;min-width:0;border:1px solid var(--line);border-radius:.5rem;background:transparent;color:inherit;font:inherit;font-size:clamp(2.25rem,13vw,4.5rem);line-height:1;cursor:pointer}.section-label{font-size:.85rem;color:var(--dim);font-weight:600;margin:1.25rem 0 .25rem}.notice{border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:.5rem;padding:.75rem;margin:0}.cognate{min-height:44px;padding:0 1rem;border:1px solid var(--accent);border-radius:.5rem;background:transparent;color:var(--ink);font:inherit;font-size:1.35rem;letter-spacing:.08em;cursor:pointer}.charbox{border:1px solid var(--accent);border-radius:.5rem;padding:.75rem;margin-top:1rem}.charbox h2{display:flex;justify-content:space-between;align-items:center;font-size:2rem;color:var(--ink);margin-top:0}.x{min-width:44px;min-height:44px;border:1px solid var(--line);border-radius:.5rem;background:transparent;color:var(--dim);font:inherit;cursor:pointer}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}