:root{--bg:#f4f1ea;--ink:#1c1916;--muted:#6d665e;--line:#e3dcd2;--card:#fffcf7;--accent:#8f2d1b;--n2:#1f4f4a;--n1:#8a3b12;--chip:#efe8dc}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:Noto Sans,Noto Sans JP,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{width:min(980px,calc(100% - 32px));margin:0 auto}header.site{border-bottom:1px solid var(--line);background:rgba(255,252,247,.9);position:-webkit-sticky;position:sticky;top:0}header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}.brand{font-weight:700;letter-spacing:.02em}.brand small{display:block;font-weight:500;color:var(--muted);font-size:12px}nav{display:flex;gap:8px;flex-wrap:wrap}.account a,button.chip,nav a{padding:6px 12px;border-radius:999px;background:var(--chip);font-size:14px}.account{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}.account a{color:var(--ink)}button.chip{border:0;cursor:pointer;color:inherit}.chips a.on,button.chip.on{background:var(--ink);color:white}.text-link{color:var(--accent);text-decoration:underline}main{padding:28px 0 64px}h1{font-size:34px;line-height:1.25;margin:0 0 8px;font-weight:700}.lead{color:var(--muted);margin:0 0 24px;max-width:640px}.levels{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.level-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;min-height:160px}.level-card strong{display:block;font-size:28px}.level-card span{color:var(--muted)}.level-card.n2 strong{color:var(--n2)}.level-card.n1 strong{color:var(--n1)}form.search{display:flex;gap:8px;margin:20px 0}form.search input{flex:1 1;border:1px solid var(--line);background:white;border-radius:12px;padding:12px 14px}.ghost,form.search button{border:0;background:var(--ink);color:white;border-radius:12px;padding:12px 16px;cursor:pointer}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.chips a{background:var(--chip);border-radius:999px;padding:6px 10px;font-size:13px}.chips a.on{background:var(--ink);color:white}.list{display:grid;grid-gap:10px;gap:10px}.item{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px}.item .top{display:flex;justify-content:space-between;gap:12px;align-items:baseline}.pattern{font-size:20px;font-weight:650}.reading{color:var(--muted);font-size:13px}.meaning{margin:4px 0 0}.tag{font-size:12px;color:var(--muted);background:var(--chip);border-radius:999px;padding:2px 8px;white-space:nowrap}article.detail{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px}.kicker{color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.04em}.detail h1{font-size:36px}.detail .reading{font-size:15px;margin-bottom:12px}.meaning-lg{font-size:18px;margin:0 0 20px}section.block{margin-top:22px}section.block h2{font-size:14px;margin:0 0 8px;color:var(--muted);font-weight:700}pre.form{white-space:pre-wrap;font-family:Noto Sans JP,Noto Sans,sans-serif;background:#f7f3ec;border-radius:12px;padding:12px 14px;margin:0}.example{border-top:1px solid var(--line);padding:12px 0}.example .jp{font-size:18px}.kanji-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));grid-gap:10px;gap:10px}.kanji-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;min-height:132px}.kanji-card .ch{font-size:40px;line-height:1.1;font-weight:650}.entry{display:flex;gap:8px;align-items:stretch}.entry .item,.entry .kanji-card{flex:1 1}.mark{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-width:72px;background:var(--card);border:1px solid var(--line);border-radius:14px;font-size:12px;color:var(--muted);padding:8px}.mark input{width:18px;height:18px;margin:0}article.detail .mark{flex-direction:row;width:-moz-fit-content;width:fit-content;margin-bottom:12px}.kanji-card>a{display:block;color:inherit}.kanji-card .mark{flex-direction:row;min-width:0;border:0;background:transparent;padding:0 0 8px}.quiz .prompt{font-size:32px;font-weight:700;margin-bottom:16px}.quiz .next{margin-left:8px}.ghost.next,.quiz .ghost{margin-top:8px}.kanji-hero{font-size:72px;line-height:1}.site-foot{border-top:1px solid var(--line);color:var(--muted);font-size:13px;padding:18px 0 28px}.pager{display:flex;justify-content:space-between;gap:12px;margin-top:16px}.pager a{color:var(--accent)}.empty{color:var(--muted)}@media (max-width:720px){.levels{grid-template-columns:1fr}h1{font-size:28px}header.site .wrap{flex-wrap:wrap;padding:10px 0}}