*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f6f4ee;color:#0e0e0e;font-family:Arial,"Noto Sans",sans-serif;line-height:1.6}a{color:inherit;text-underline-offset:5px}header,main,footer{max-width:1240px;margin:auto;padding:28px 48px}header{display:flex;align-items:center;gap:16px;border-bottom:1px solid #c7c6be}header img{width:42px;border-radius:50%}.brand{font-weight:900;letter-spacing:2px;text-decoration:none}nav{display:flex;gap:25px;margin-left:auto;font-size:14px}nav a{text-decoration:none}.hero{display:grid;grid-template-columns:1.5fr 1fr;gap:45px;align-items:center;padding:65px 0 80px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase}h1{font-size:clamp(44px,6vw,82px);line-height:1.04;letter-spacing:-4px;margin:22px 0 25px;max-width:850px}h2{font-size:34px;line-height:1.2;letter-spacing:-1px}h3{font-size:22px}.lead{max-width:590px;font-size:20px;color:#53544d}.poster{background:#d6ff1f;border-radius:180px 180px 20px 20px;padding:35px;aspect-ratio:1/1.12;display:flex;align-items:center;justify-content:center}.poster img{width:100%;}.button{display:inline-block;background:#0e0e0e;color:white;padding:13px 22px;border-radius:30px;text-decoration:none;margin:15px 10px 0 0}.secondary{background:transparent;color:#0e0e0e;border:1px solid #888}.section{padding:48px 0;border-top:1px solid #bbb}.sectiontop{display:flex;justify-content:space-between;align-items:center;gap:20px}.tag{font-size:12px;letter-spacing:1px;border:1px solid #aaa;border-radius:20px;padding:5px 12px}.lesson{display:grid;grid-template-columns:1fr 1.6fr;gap:40px;padding:28px 0}.letters{background:#e6e4dc;border-radius:18px;font-size:78px;display:flex;align-items:center;justify-content:center;min-height:220px;letter-spacing:10px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.steps article{border-top:3px solid #0e0e0e;padding-top:20px}.number{font-size:13px;font-weight:bold;color:#6a6c60}.article{max-width:780px;margin:auto;padding:50px 0 80px}.article h1{font-size:58px}.article p,.article li{font-size:18px}.notice{background:#e8eadf;padding:22px;border-left:4px solid #91a821;margin:28px 0}.muted{color:#676960}footer{border-top:1px solid #bbb;display:flex;justify-content:space-between;font-size:13px;padding-bottom:50px}a:focus-visible{outline:3px solid #799300;outline-offset:6px}@media(max-width:700px){header,main,footer{padding:22px}header{flex-wrap:wrap}nav{gap:15px;margin-left:0;width:100%}.hero{grid-template-columns:1fr;padding:40px 0;gap:30px}.poster{max-width:300px;margin:auto;width:100%}h1{letter-spacing:-2px}.lesson,.steps{grid-template-columns:1fr;gap:20px}.sectiontop,footer{display:block}.article h1{font-size:43px}.letters{min-height:170px}.section{padding:32px 0}}
.consent{position:fixed;bottom:16px;left:16px;right:16px;max-width:700px;background:#fff;border:1px solid #777;border-radius:14px;box-shadow:0 5px 30px #0002;padding:20px;z-index:20}.consent[hidden]{display:none}.consent p{margin:0 0 12px}.consent button,.privacy-settings{font:inherit;padding:8px 12px;margin:4px;border:1px solid #777;border-radius:8px;background:#f6f4ee;cursor:pointer}.privacy-settings{font-size:12px}
/* Three-language navigation */
header{flex-wrap:wrap;gap:16px}header>nav:not(.language-switch){margin-left:auto;flex-wrap:wrap}.language-switch{display:flex;align-items:center;gap:5px;margin-left:8px}.language-switch a{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-height:44px;padding:6px 10px;border:1px solid transparent;border-radius:24px;font-size:14px;white-space:nowrap;text-decoration:none}.language-switch a span{font-size:22px;line-height:1}.language-switch a[aria-current="page"]{border-color:#c9bda9;background:#f0eadf}.language-switch a:hover{background:#f0eadf}.language-switch a:focus-visible{outline:2px solid #262621;outline-offset:3px}html[lang="ko"] h1{word-break:keep-all;font-size:clamp(36px,5.5vw,76px)}@media(max-width:700px){header{gap:12px}.language-switch{width:100%;margin-left:0;justify-content:flex-start;gap:6px}.language-switch a{padding:6px 10px}header>nav:not(.language-switch){margin-left:0}}
footer{flex-wrap:wrap;gap:14px}.social-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin:0;width:100%}.social-links a{display:inline-flex;align-items:center;min-height:44px}body{overflow-wrap:break-word}@media(max-width:360px){.language-switch{gap:2px}.language-switch a{padding:6px 7px;font-size:13px}}