:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#eceef3;--card:#fff;--inset:#f2f3f7;--text:#111318;--text-2:#5b6170;--line:#11131814;--accent:#2459e0;--accent-contrast:#fff;--hero-start:#2459e0;--hero-end:#5b3fd9;--tile-blue:#2f6bff;--tile-teal:#13b5a6;--tile-green:#1fa463;--tile-orange:#ff8a1f;--tile-coral:#f04d4d;--tile-violet:#7b5cf5;--tile-gray:#8e95a3;--correct-fill:#e3f4eb;--correct-text:#157347;--draft-bg:#fff4c2;--draft-text:#5c4400;--draft-line:#f5b400;--radius:24px;--radius-sm:14px;--max:1080px;--font:-apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-rounded:ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--radius-lg:32px;--wrong-fill:#fde9e9;--wrong-text:#b42323;--youtube:#f03;--glass-fill:#ffffff9e;--glass-edge:#ffffffb3;--glass-highlight:#ffffffe6;--glass-shadow:0 8px 32px #2428401a;--glass-hover:#1113180f;--tile-shadow:0 1px 2px 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.q-num{background:var(--card)}.q-text{padding-top:3px;line-height:1.45}.q-page{padding-top:8px;padding-bottom:64px}.breadcrumb{color:var(--text-2);flex-wrap:wrap;gap:8px;margin:8px 0 24px;font-size:.95rem;display:flex}.breadcrumb a{color:var(--text-2);font-weight:600;text-decoration:none}.breadcrumb a:hover{color:var(--accent)}.q-meta{color:var(--accent);margin:0 0 8px;font-weight:700}.q-title{letter-spacing:-.015em;overflow-wrap:anywhere;margin:0 0 20px;font-size:clamp(1.5rem,1.2rem + 1.4vw,2.1rem);font-weight:800;line-height:1.25}.q-original{background:var(--card);border-radius:18px;gap:4px;margin:0 0 20px;padding:14px 18px;display:grid}.q-original-label{color:var(--text-2);font-size:.85rem;font-weight:700}.q-figure{border-radius:var(--radius);background:var(--card);margin:0 0 20px;padding:16px}.q-figure img{object-fit:contain;border-radius:12px;width:100%;max-height:420px}.q-figure figcaption{color:var(--text-2);margin-top:8px;font-size:.85rem}.q-page .answer-list{margin-bottom:20px}.answer-original{color:var(--text-2);margin-top:2px;font-size:.9rem;font-weight:400;display:block}.answer.is-correct .answer-original{color:inherit;opacity:.85}.answer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.answer-grid .answer{flex-direction:column;align-items:stretch;padding:12px;position:relative}.answer-grid .answer-letter{position:absolute;top:10px;left:10px}.answer-grid .answer-check{position:absolute;top:12px;right:12px}.answer-image img{aspect-ratio:1;object-fit:contain;background:var(--card);border-radius:12px;width:100%;padding:12px}.answer-grid .answer-text{text-align:center;font-weight:600}.expl-card{border-radius:var(--radius);background:var(--card);margin:0 0 16px;padding:22px 24px}.expl-card .expl-headline{font-size:1.25rem;line-height:1.3}.expl-card .expl-body{color:var(--text);margin:0;line-height:1.6}.credits{color:var(--text-2);margin:0 0 24px;font-size:.875rem}.credits summary{cursor:pointer;font-weight:600}.credits ul{padding-left:18px}.q-pager{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0 0 24px;display:grid}.pager-link{background:var(--card);color:var(--text);transition:background-color var(--dur-fast) var(--ease-out);border-radius:18px;gap:2px;padding:14px 18px;text-decoration:none;display:grid}.pager-link:hover{background:color-mix(in srgb, var(--accent) 6%, var(--card))}.pager-next{text-align:right;grid-column:2}@media (max-width:479px){.q-pager{grid-template-columns:minmax(0,1fr)}.pager-next{grid-column:1}}.pager-dir{color:var(--text-2);font-size:.85rem;font-weight:600}.pager-num{color:var(--accent);font-weight:800}.app-card{border-radius:var(--radius);background:var(--card);align-items:center;gap:16px;padding:22px;display:grid}@media (min-width:640px){.app-card{grid-template-columns:auto 1fr auto}}.app-card h2{margin:0 0 4px;font-size:1.2rem}.app-card p{color:var(--text-2);margin:0}.smart-inner{text-align:center;flex-direction:column;align-items:center;display:flex}.smart-icon{border-radius:22.5%;margin-bottom:20px;box-shadow:0 16px 40px #0a145040}.smart h1{font-family:var(--font-rounded);margin-bottom:2px;font-size:clamp(1.8rem,1.4rem + 2vw,2.6rem);font-weight:900}.hero-subtitle-plain{color:var(--text-2);font-size:1.2rem;font-weight:600}.smart-default{flex-direction:column;align-items:center;gap:8px;display:flex}.smart-redirecting,.smart-android{display:none}html[data-platform=ios] .smart-redirecting,html[data-platform=mac] .smart-redirecting{color:var(--accent);font-weight:700;display:block}html[data-platform=android] .smart-android{display:block}html[data-platform=android] .smart-default{display:none}.qr-wrap{margin-top:24px}.qr{border-radius:var(--radius-sm);background:#fff;width:200px;margin:8px auto 16px;padding:10px}.noscript-note{background:var(--inset);border-radius:var(--radius-sm);padding:10px 14px}.draft-banner{background:var(--draft-bg);color:var(--draft-text);border-bottom:2px solid var(--draft-line);text-align:center;padding:12px 16px;font-weight:700}.legal{max-width:800px;padding-top:40px;padding-bottom:64px}.legal h1{font-size:clamp(1.8rem,1.4rem + 2vw,2.5rem);font-weight:900}.legal h2{margin-top:2em;font-size:1.3rem}.legal h3{margin-top:1.4em;font-size:1.05rem}.legal ul,.legal ol{padding-left:1.3em}.legal li{margin-bottom:.4em}.legal-lead{background:var(--card);border-radius:var(--radius-sm);padding:16px 20px;font-size:1.1rem}.binding-note{background:var(--inset);border-radius:var(--radius-sm);padding:10px 14px;font-size:.95rem}.legal-updated{margin-top:3em}.site-footer{border-top:1px solid var(--line);background:var(--card);padding:40px 0 48px}.footer-inner{gap:20px;display:grid}.footer-brand{align-items:center;gap:12px;display:flex}.footer-links{flex-wrap:wrap;gap:10px 22px;display:flex}.footer-links a{color:var(--text);text-decoration:none}.footer-links a:hover{color:var(--accent)}.footer-inner .lang-switch{justify-self:start;margin-left:0}.footer-meta{flex-wrap:wrap;justify-content:space-between;gap:8px 24px;display:flex}.footer-meta p{margin:0}.studio-link{color:var(--text);white-space:nowrap;font-weight:600;text-decoration:none}.studio-link:hover{color:var(--accent)}.disclaimer{color:var(--text-2);max-width:60em;margin:0;font-size:.875rem}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important}.live-explanation{animation:none}.button:active,button.answer:active:not(:disabled){transform:none}}