.science-resource{width:min(1120px,100%);margin:auto;padding:clamp(16px,4vw,48px)}
.science-resource__paper{overflow:hidden;border:1px solid var(--tl-glass-border);border-radius:var(--tl-radius-panel);background:var(--tl-glass-strong);box-shadow:var(--tl-shadow)}
.science-resource__hero{padding:clamp(28px,5vw,64px);border-bottom:1px solid var(--tl-hair)}
.science-resource__hero h1{max-width:820px;margin:8px 0;font:400 clamp(40px,7vw,78px)/1.02 var(--tl-font-jp)}
.science-resource__hero p{max-width:720px;line-height:1.7;color:var(--tl-ink-soft)}
.science-resource__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 var(--tl-space-5);padding:clamp(24px,4vw,52px)}
.science-resource__row{display:flex;flex-direction:column;justify-content:center;min-height:112px;padding:var(--tl-space-4) 0;border-top:1px solid var(--tl-hair);color:inherit;text-decoration:none}
.science-resource__row b{font-size:20px}.science-resource__row small{margin-top:6px;color:var(--tl-ink-soft);line-height:1.5}
.science-resource__row:hover b,.science-resource__row:focus-visible b{color:var(--atelier-accent)}
.science-practice{padding:clamp(24px,4vw,52px)}
.science-practice .bio-question{content-visibility:auto;contain-intrinsic-size:440px}
.science-practice-pager{display:flex;align-items:center;justify-content:space-between;gap:var(--tl-space-3);padding:var(--tl-space-4) 0;border-block:1px solid var(--tl-hair)}
.science-practice-pager button,.science-practice-retry{min-height:44px;padding:9px 16px;border:1px solid var(--tl-hair);border-radius:var(--tl-radius-control);background:transparent;color:inherit;font:inherit}
.science-practice-pager button:disabled{cursor:not-allowed;opacity:.42}.science-practice-page{font:700 12px var(--tl-font-mono);color:var(--tl-ink-soft);text-align:center}
.science-practice-list{min-height:320px}.science-practice-retry{display:block;margin:var(--tl-space-4) auto}
.bio-choice[data-state="selected"]{border-color:var(--atelier-accent);background:color-mix(in srgb,var(--atelier-accent) 12%,transparent)}
.bio-choice[data-correct="true"]{box-shadow:inset 4px 0 #2f7d4a}.bio-choice:disabled{cursor:default;opacity:1}
.science-mock-start{display:grid;justify-items:start;gap:var(--tl-space-3);padding:clamp(24px,4vw,52px);border-bottom:1px solid var(--tl-hair)}
.science-mock-start p{max-width:720px;margin:0;line-height:1.7;color:var(--tl-ink-soft)}
.science-mock-start button,.science-mock-toolbar button{min-height:50px;padding:10px 20px;border:1px solid var(--atelier-accent);border-radius:var(--tl-radius-control);background:var(--atelier-accent);color:#fff;font:700 15px var(--tl-font-ui)}
.science-mock-toolbar{display:flex;align-items:center;justify-content:space-between;gap:var(--tl-space-3);padding:var(--tl-space-4) clamp(24px,4vw,52px);border-block:1px solid var(--tl-hair)}
.science-mock-timer{font:700 14px var(--tl-font-mono);font-variant-numeric:tabular-nums}.science-mock-result{margin:0;padding:var(--tl-space-4) clamp(24px,4vw,52px);border-left:4px solid var(--atelier-accent);font-weight:700;line-height:1.6}
[data-mock-root] .bio-feedback:empty{min-height:0;margin:0;padding:0;border-left:0}
.science-flash{display:grid;gap:var(--tl-space-4);padding:clamp(24px,5vw,64px)}
.science-flash__tabs{display:flex;gap:8px;overflow:auto}.science-flash__tabs button,.science-flash__controls button{min-height:44px;padding:9px 14px;border:1px solid var(--tl-hair);border-radius:var(--tl-radius-control);background:transparent;color:inherit;font:inherit}
.science-flash__tabs button[aria-pressed="true"]{background:var(--atelier-accent);color:#fff}
.science-flash__card{display:grid;place-items:center;min-height:320px;padding:clamp(24px,6vw,70px);border-block:1px solid var(--tl-hair);text-align:center;cursor:pointer}
.science-flash__term{font:500 clamp(42px,8vw,88px)/1.1 var(--tl-font-jp);color:var(--atelier-accent)}.science-flash__meaning{margin-top:18px;font-size:24px}.science-flash__explain{max-width:720px;margin:14px auto 0;line-height:1.7;color:var(--tl-ink-soft)}
.science-flash__controls{display:flex;justify-content:space-between;gap:12px}.science-flash__progress{font:700 12px var(--tl-font-mono);color:var(--tl-ink-soft)}
.science-flash__due{margin:0;text-align:center;color:var(--tl-ink-soft);font:700 12px var(--tl-font-mono)}
.science-flash__ratings{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--tl-space-2)}
.science-flash__ratings button{min-height:50px;padding:10px 14px;border:1px solid var(--tl-hair);border-radius:var(--tl-radius-control);background:transparent;color:inherit;font:700 14px var(--tl-font-ui)}
.science-flash__ratings button:hover,.science-flash__ratings button:focus-visible{border-color:var(--atelier-accent);background:color-mix(in srgb,var(--atelier-accent) 8%,transparent)}
.science-print-list{columns:2;gap:40px;padding:0;list-style:none}.science-print-list li{break-inside:avoid;padding:10px 0;border-top:1px solid var(--tl-hair)}
@media(max-width:760px){.science-resource__grid{grid-template-columns:1fr}.science-print-list{columns:1}.science-practice-pager,.science-mock-toolbar{align-items:stretch}.science-practice-pager button{flex:0 0 auto}.science-flash__ratings{grid-template-columns:1fr}.science-mock-toolbar{flex-wrap:wrap}}
@media print{.aa-header,.science-language,.science-flash__controls{display:none!important}.science-resource{padding:0}.science-resource__paper{border:0;box-shadow:none}.science-resource__row{break-inside:avoid}}