.sa22-reader{max-width:1040px;margin:0 auto;padding:clamp(18px,4vw,54px)}.sa22-top-nav{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;align-items:center;font-size:.81rem;letter-spacing:.02em;opacity:.82;margin-bottom:1.5rem}.sa22-top-nav a,.sa22-bottom-nav a{color:inherit;text-underline-offset:4px}.sa22-reader .sa22-lesson-diagram{margin:0 0 2rem}.sa22-reader .sa22-lesson-diagram img{width:100%;height:auto;max-height:450px;object-fit:contain;border-radius:18px}.sa22-reader .sa22-lesson-diagram figcaption{font-size:.77rem;opacity:.64;text-align:center;margin-top:.45rem}.sa22-reader .sa22-native-content{max-width:860px;margin:auto}.sa22-reader .sa22-native-content h1{font-size:clamp(1.85rem,3.5vw,2.8rem);line-height:1.2;margin:0 0 1rem}.sa22-reader .sa22-native-content h2{font-size:clamp(1.2rem,2.7vw,1.58rem);line-height:1.35;margin:2rem 0 .7rem}.sa22-reader .sa22-native-content p,.sa22-reader .sa22-native-content li{line-height:1.85;margin:0 0 1rem}.sa22-reader .sa22-native-content .sa22-case{padding:1.3rem 1.5rem;background:rgba(125,152,168,.09);border-inline-start:3px solid #6f9c9b;border-radius:8px;margin:1.3rem 0}.sa22-reader .sa22-native-content .sa22-takeaway{border-top:1px solid rgba(67,74,82,.2);border-bottom:1px solid rgba(67,74,82,.2);padding:1rem .5rem;margin:1.6rem 0}.sa22-reader .sa22-links{display:flex;flex-wrap:wrap;gap:.5rem 1rem;margin:.5rem 0}.sa22-reader .sa22-links a{color:inherit;text-decoration:underline;text-underline-offset:3px}.sa22-reader .sa22-check{margin:2rem auto;max-width:860px}.sa22-bottom-nav{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid rgba(67,74,82,.2);padding:1.5rem 0;margin:2.5rem 0 0}@media(max-width:640px){.sa22-reader{padding:18px 14px}.sa22-reader .sa22-lesson-diagram img{max-height:310px}.sa22-reader .sa22-native-content .sa22-case{padding:1rem}.sa22-bottom-nav{display:grid}}
.sa22-lesson .sa22-top-nav>span{font-size:.84rem;font-weight:600;max-width:70ch;text-align:end}.sa22-bottom-nav a{font-weight:650;min-height:38px;align-content:center}.sa22-bottom-nav a:last-child{text-align:end}