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h1{margin:0}.lead{margin:0;font-size:var(--text-lg);line-height:1.65;color:var(--color-text-muted)}.card{background:var(--color-surface);color:var(--color-text);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-md);padding:16px}.button{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:56px;min-width:var(--tap-target);padding:14px 28px;border-radius:var(--radius-full);border:var(--border-width) solid transparent;font:inherit;font-size:var(--text-md);font-weight:700;letter-spacing:var(--tracking-wide);line-height:1.2;cursor:pointer;text-decoration:none;transition:background-color var(--transition-fast),border-color var(--transition-fast),transform var(--transition-fast)}.button:hover:not(:disabled){transform:translateY(-1px)}.button--primary{background:var(--color-tertiary);color:var(--color-on-tertiary)}.button--primary:hover:not(:disabled){background:var(--color-accent-lime)}.button--secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border-strong);min-height:48px;padding:12px 24px}.button--secondary:hover:not(:disabled){background:var(--color-surface-muted)}.button--ghost{background:transparent;color:var(--color-text);padding:0 var(--space-4);min-height:var(--tap-target);border-radius:0;font-size:var(--text-label);font-weight:500}.button--ghost:hover:not(:disabled){color:var(--color-accent);background:transparent}.button--danger{background:transparent;color:var(--color-danger);border-color:var(--color-danger-border)}.button--danger:hover:not(:disabled){background:var(--color-danger-soft)}.button:disabled{opacity:.5;cursor:not-allowed;transform:none}.app-header__home{flex:0 0 auto;min-height:var(--tap-target);padding:8px 18px;font-size:var(--text-sm)}.chip{display:inline-flex;align-items:center;align-self:flex-start;padding:6px 12px;border-radius:var(--radius-full);background:var(--color-tertiary);color:var(--color-on-tertiary);font-size:var(--text-xs);font-weight:700;letter-spacing:var(--tracking-label);line-height:1.33;white-space:nowrap}.chip--soft{background:var(--color-surface-muted);color:var(--color-text-muted)}.spacer{flex:1}.hero{max-width:var(--reading-max-width)}.hero h1{font-size:var(--text-4xl)}.level-card{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-5)}.level-card h2,.level-card p{margin:0}.level-card .row{margin-top:auto;padding-top:var(--space-3)}.progress-bar{height:8px;border-radius:var(--radius-full);background:var(--color-surface-muted);overflow:hidden}.progress-bar>span{display:block;height:100%;background:var(--color-accent)}.text-list{display:grid;gap:var(--space-3);padding:0;list-style:none;max-width:48rem}.text-card{display:flex;align-items:center;gap:var(--space-4);color:var(--color-text);text-decoration:none;transition:border-color var(--transition-fast)}.text-card:hover{color:var(--color-text);border-color:var(--color-border-strong)}.text-card__num{flex:0 0 auto;width:2.5rem;font-family:var(--font-display);font-size:var(--text-xl);font-weight:800;color:var(--color-accent);text-align:center}.text-card__body{display:grid;flex:1;gap:2px;min-width:0}.reader{max-width:var(--reading-max-width)}.reader header h1{margin:0}.reading{--reading-size: 1.1875rem;font-size:var(--reading-size);line-height:1.75}[data-font=s] .reading,.reading[data-font=s]{--reading-size: 1rem}[data-font=l] .reading,.reading[data-font=l]{--reading-size: 1.375rem}[data-font=xl] .reading,.reading[data-font=xl]{--reading-size: 1.625rem}.reading p{margin-bottom:1em}.gloss{position:relative}.gloss__word{padding:0;border:0;background:none;font:inherit;color:inherit;cursor:pointer;text-decoration:underline dotted var(--color-accent);text-decoration-thickness:2px;text-underline-offset:.25em}.gloss__word[aria-expanded=true]{background:var(--color-accent-soft);border-radius:var(--radius-sm)}.gloss__tip{position:absolute;left:0;top:calc(100% + 4px);z-index:10;width:max-content;max-width:min(18rem,80vw);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);background:var(--color-primary);color:#fff;font-size:var(--text-sm);line-height:1.4;box-shadow:var(--shadow-md)}.glossary{display:grid;margin:0;border-top:var(--border-width) solid var(--color-border)}.glossary__row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--space-3);padding:var(--space-2) 0;border-bottom:var(--border-width) solid var(--color-border)}.glossary dt{font-weight:700}.glossary dd{margin:0;color:var(--color-text-muted)}.quiz__q legend{float:left;width:100%;display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--space-2);margin-bottom:var(--space-3);font-weight:700;font-size:var(--text-md)}.quiz__num{color:var(--color-accent)}.quiz__choices{clear:both;display:grid;gap:var(--space-1)}.quiz__choices--row{grid-template-columns:repeat(2,minmax(0,12rem))}.quiz__choice{display:flex;align-items:center;gap:var(--space-2);min-height:var(--tap-target);padding:0 var(--space-3);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-md);cursor:pointer}.quiz__choice:has(input:checked){border-color:var(--color-accent);background:var(--color-accent-soft)}.quiz__choice input{accent-color:var(--color-accent)}.quiz__q.is-right{border-color:var(--color-success-border)}.quiz__q.is-wrong{border-color:var(--color-danger-border)}.quiz__feedback{margin:var(--space-3) 0 0;font-weight:600}.is-right .quiz__feedback{color:var(--color-success)}.is-wrong .quiz__feedback{color:var(--color-danger)}.quiz__result{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-3);background:var(--color-surface-muted)}.quiz__result.is-perfect{background:color-mix(in oklab,var(--color-tertiary) 22%,var(--color-surface));border-color:var(--color-tertiary)}.quiz__praise{margin:var(--space-1) 0 0}.quiz__score{margin:0;font-family:var(--font-display);font-size:var(--text-xl);font-weight:800}.reader__pager{padding-top:var(--space-5);border-top:var(--border-width) solid var(--color-border)}.stats{display:grid;gap:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(9rem,1fr))}.stat{display:grid;gap:var(--space-1);padding:var(--space-4)}.stat__value{font-family:var(--font-display);font-size:var(--text-2xl);font-weight:800;line-height:1}.stat__label{font-size:var(--text-sm);color:var(--color-text-muted)}.calendar{max-width:26rem}.calendar__head{display:flex;align-items:center;justify-content:space-between}.calendar__head h3{margin:0;font-size:var(--text-lg)}.calendar__grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;text-align:center}.calendar__weekday{font-size:var(--text-xs);font-weight:700;color:var(--color-text-muted)}.calendar__day{display:grid;place-items:center;aspect-ratio:1;border-radius:var(--radius-sm);font-size:var(--text-sm)}.heat-0{background:var(--color-heat-0)}.heat-1{background:var(--color-heat-1)}.heat-2{background:var(--color-heat-2)}.heat-3{background:var(--color-heat-3);color:var(--color-on-accent)}.heat-4{background:var(--color-heat-4);color:var(--color-on-accent)}.calendar__day.is-today{outline:2px solid var(--color-tertiary);outline-offset:1px;font-weight:800}.table{width:100%;table-layout:fixed;border-collapse:collapse;font-size:var(--text-sm)}.table th,.table td{padding:var(--space-2);border-bottom:var(--border-width) solid var(--color-border);text-align:left}.table th:not(:first-child){width:4.5rem}.table th:not(:first-child),.table td:not(:first-child){text-align:right;white-space:nowrap}.segmented{display:flex;flex-wrap:wrap;gap:var(--space-2)}.segmented label{display:inline-flex;align-items:center;gap:var(--space-1);min-height:var(--tap-target);padding:0 var(--space-4);border:var(--border-width) solid var(--color-border-strong);border-radius:var(--radius-full);font-weight:700;cursor:pointer}.segmented label:has(input:checked){background:var(--color-accent-fill);color:var(--color-on-accent);border-color:var(--color-accent-fill)}.segmented input{position:absolute;opacity:0}.segmented label:has(input:focus-visible),label.button:has(input:focus-visible){outline:var(--focus-ring);outline-offset:var(--focus-offset)}@media(max-width:40rem){.app-header__inner{flex-wrap:wrap;gap:var(--space-2)}.app-nav{order:3;width:100%}.app-header__home{margin-left:auto}.reader__pager .button{width:100%}}