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env(safe-area-inset-bottom)}.brand{display:flex;align-items:center;gap:12px;padding:24px 0 20px;border-bottom:1px solid var(--line);margin-bottom:28px}.seal{display:grid;place-items:center;width:43px;height:43px;border:1px solid var(--accent);border-radius:11px;color:var(--accent);font:28px/1 "Noto Serif CJK JP","Yu Mincho",serif}.brand strong{font:600 22px/1.3 serif;letter-spacing:.08em}.brand span{display:block;font-size:11px;color:var(--muted);margin-top:3px}.icon{margin-left:auto;border:1px solid var(--line);border-radius:50%;width:38px;height:38px;font-size:22px}.eyebrow{font-size:10px;font-weight:600;letter-spacing:.15em;color:var(--muted)}h1{font-size:clamp(25px,5vw,34px);line-height:1.2;letter-spacing:-1px;margin:13px 0 12px;font-weight:600}h2{font-size:17px;font-weight:600;margin:8px 0}p{margin:8px 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10px}.search>span{font-size:25px;color:var(--muted)}input{width:100%;min-width:0;border:0;background:transparent;color:var(--text);padding:4px;font-size:14px}.card-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;margin-top:16px}.mini-card{aspect-ratio:1;border:1px solid var(--line);border-radius:10px;background:var(--surface);font:30px/1.2 "Noto Serif CJK JP","Yu Mincho",serif;overflow-wrap:anywhere;padding:5px;min-width:0}.mini-card:hover{border-color:var(--accent)}.library-note{margin:22px 0}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:24px 0}.stat{border:1px solid var(--line);border-radius:12px;padding:16px 10px;background:var(--surface)}.stat strong{font:30px/1.4 Georgia,serif;display:block}.stat span{font-size:11px;color:var(--muted)}.history{margin:16px 0 28px}.history-row{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.history-row strong{font:24px/1.3 serif}.note{padding:14px;border-left:2px solid var(--green);background:var(--surface);font-size:13px;white-space:pre-wrap}.study-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.study-top .secondary{padding:8px 12px;font-size:12px;min-height:38px}.track{display:block;width:100%;height:3px;appearance:none;border:0;background:var(--line);border-radius:2px;margin:18px 0 22px;overflow:hidden}.track::-webkit-progress-bar{background:var(--line)}.track::-webkit-progress-value{background:var(--green)}.track::-moz-progress-bar{background:var(--green)}.flashcard{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:24px 20px;text-align:center;box-shadow:var(--shadow);min-height:320px}.symbol{font:clamp(76px,24vw,138px)/1.4 "Noto Serif CJK JP","Yu Mincho",serif;margin:18px 0;overflow-wrap:anywhere}.reading{font-size:18px;color:var(--green);white-space:pre-wrap}.flashcard h2{font-size:20px}.flashcard p{white-space:pre-wrap}.flashcard 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var(--line);border-radius:16px;background:var(--surface);box-shadow:var(--shadow);margin-top:14px;z-index:2}nav button{display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px;font-size:12px;color:var(--muted);border-radius:10px}nav button span{font:20px/1 serif}nav button.active{color:var(--text);background:var(--bg)}footer{font-size:10px;color:var(--muted);text-align:center;padding:22px 0 14px}.page{padding-bottom:12px}#workspace{min-height:55vh}@media(max-width:380px){.app{padding-left:16px;padding-right:16px}.decks{gap:7px}.deck{padding:14px 9px}.deck h3{font-size:12px}.deck-symbol{font-size:42px}.section-heading .small{font-size:10px}.card-grid{gap:6px}.mini-card{font-size:25px}.rating-grid{gap:5px}.rating-grid button{font-size:11px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}