:root{--ink:#292929;--bg:#fff;--bg-2:#f1f1f1;--muted:#626262;--primary-50:#ecf1fb;--primary-100:#d9e4f7;--primary-200:#b6cbee;--primary-300:#92b1e5;--primary-400:#6f95d8;--primary-500:#4472c4;--primary-600:#395fa4;--primary-700:#2f4e87;--primary-800:#253e6b;--primary-900:#1c2e50;--accent-50:#eef5f0;--accent-100:#d9e8dd;--accent-200:#b9d3c1;--accent-300:#93baa0;--accent-400:#6fa283;--accent-500:#52886a;--accent-600:#3f6f55;--accent-700:#345c47;--accent-800:#2a4a39;--accent-900:#20382c;--danger-50:#faedec;--danger-500:#c0453a;--danger-700:#96362d;--cat-learn:#566285;--cat-test:#52684a;--cat-abroad:#6e5b85;--cat-settle:#815f52;--primary:var(--primary-500);--accent:var(--accent-400);--line:#d8d8d8;--card:#fff;--display:var(--sans);--sans:"Noto Sans", "Noto Sans KR", system-ui, -apple-system, sans-serif;--deva:"Noto Sans Devanagari", var(--sans);--nav-h:4.5rem;--maxw:72rem}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}html,body{min-height:100%}body{background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}img,svg,iframe{max-width:100%;display:block}.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.25rem,5vw,3rem)}.section{scroll-margin-top:var(--nav-h);padding-block:clamp(4.5rem,10vw,8rem);position:relative}.section+.section{border-top:1px solid var(--line)}.eyebrow{letter-spacing:.12em;text-transform:uppercase;color:var(--primary-600);font-size:.78rem;font-weight:600}.section-head{max-width:42rem;margin-bottom:clamp(2.5rem,6vw,4rem)}.section-title{font-family:var(--display);letter-spacing:-.01em;color:var(--ink);margin-top:.8rem;font-size:clamp(2rem,5vw,3.25rem);font-weight:700;line-height:1.1}.section-lead{color:var(--muted);margin-top:1.1rem;font-size:clamp(1rem,2.2vw,1.15rem)}.brand-name{font-family:var(--display);color:var(--ink);font-weight:700}.nav{z-index:50;height:var(--nav-h);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);background:#fffffff2;align-items:center;display:flex;position:sticky;top:0}.nav .wrap{justify-content:space-between;align-items:center;gap:1rem;display:flex}.nav-brand{font-family:var(--sans);color:var(--primary-700);align-items:center;gap:.45rem;font-size:1.35rem;font-weight:700;display:inline-flex}.nav-logo{width:2.5rem;height:2.5rem}.nav-links{align-items:center;gap:clamp(1rem,3vw,2.2rem);list-style:none;display:flex}.nav-links a{color:var(--muted);white-space:nowrap;font-size:.92rem;font-weight:500;transition:color .2s}.nav-links a:hover{color:var(--ink)}.nav-links .nav-cta{color:#fff;background:var(--primary);white-space:nowrap;border-radius:4px;padding:.5rem 1rem;font-weight:600}.nav-links .nav-cta:hover{background:var(--primary-600);color:#fff}@media (max-width:640px){.nav-links .nav-only-desktop{display:none}.nav .wrap{gap:.6rem}.nav-brand{flex:0 auto;min-width:0;font-size:1.1rem}.nav-brand .nav-brand-tail{display:none}.nav-logo{width:2.1rem;height:2.1rem}.nav-links{flex-shrink:0;gap:.6rem}.nav-links .nav-cta{padding:.4rem .8rem;font-size:.82rem}.lang-current{padding:.35rem .6rem;font-size:.82rem}}.lang-switch{position:relative}.lang-current{color:var(--muted);border:1px solid var(--line);cursor:pointer;white-space:nowrap;background:0 0;border-radius:999px;align-items:center;gap:.4rem;padding:.4rem .8rem;font-family:inherit;font-size:.9rem;font-weight:500;transition:color .2s,border-color .2s;display:inline-flex}.lang-current:hover{color:var(--ink);border-color:var(--primary)}.lang-flag{font-size:1.05rem;line-height:1}.lang-menu{background:var(--card);border:1px solid var(--line);z-index:30;border-radius:4px;min-width:9rem;padding:.35rem;list-style:none;position:absolute;top:calc(100% + .5rem);right:0;box-shadow:0 12px 30px #0000001f}.lang-menu:before{content:"";height:.5rem;position:absolute;top:-.5rem;left:0;right:0}.lang-menu a{color:var(--muted);border-radius:.55rem;padding:.5rem .7rem;font-size:.9rem;transition:background .15s,color .15s;display:block}.lang-menu a:hover{color:var(--ink);background:#0000000d}.lang-menu a.is-active{color:var(--primary-700);font-weight:600}.req{color:var(--danger-700)}.btn{cursor:pointer;border:1px solid #0000;border-radius:4px;justify-content:center;align-items:center;gap:.5rem;padding:.85rem 1.6rem;font-size:1rem;font-weight:600;transition:background .2s,border-color .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-600)}.btn-ghost{color:var(--ink);border-color:var(--line);background:0 0}.btn-ghost:hover{border-color:var(--primary-600);color:var(--primary-600)}.billboard{color:var(--ink);scroll-margin-top:var(--nav-h);background-color:#fff;background-image:linear-gradient(#fffffff2 0%,#ffffffd9 45%,#ffffff59 72%,#fff0 100%),url(/hero-seoul.jpg);background-position:bottom;background-size:cover;padding-block:clamp(4rem,10vw,7rem) clamp(13rem,30vw,19rem)}.billboard-inner{max-width:52rem}.billboard-title{letter-spacing:-.01em;font-size:clamp(2rem,6vw,3.5rem);font-weight:700;line-height:1.2}.billboard-lead{max-width:38rem;color:var(--muted);margin-top:1.2rem;font-size:clamp(1.05rem,2.4vw,1.25rem);line-height:1.7}.billboard .btn-billboard{background:var(--primary-500);color:#fff;margin-top:clamp(1.8rem,4vw,2.6rem)}.billboard .btn-billboard:hover{background:var(--primary-600)}.why-grid{grid-template-columns:repeat(2,1fr);gap:clamp(1.2rem,3vw,2rem);display:grid}.why-item{border:1px solid var(--line);border-top:3px solid var(--primary-500);background:var(--card);border-radius:4px;padding:clamp(1.3rem,3vw,1.9rem)}.why-item h3{color:var(--ink);margin-bottom:.5rem;font-size:1.15rem}.why-item p{color:var(--muted);font-size:.96rem}.tile-grid{grid-template-columns:repeat(4,1fr);gap:clamp(.75rem,2vw,1.25rem);display:grid}.tile{color:#fff;border-radius:4px;flex-direction:column;gap:.5rem;padding:clamp(1.3rem,3vw,1.75rem);transition:filter .15s;display:flex}.tile:hover{filter:brightness(.92)}.tile--learn{background:var(--cat-learn)}.tile--test{background:var(--cat-test)}.tile--abroad{background:var(--cat-abroad)}.tile--settle{background:var(--cat-settle)}.tile-title{font-size:1.15rem;font-weight:700}.tile-desc{color:#ffffffe6;font-size:.92rem;line-height:1.6}.contact-grid{grid-template-columns:1.1fr .9fr;align-items:start;gap:clamp(1.5rem,4vw,3rem);display:grid}.field{flex-direction:column;gap:.4rem;margin-bottom:1.1rem;display:flex}.field label{color:var(--muted);font-size:.85rem;font-weight:500}.field input,.field textarea{width:100%;color:var(--ink);border:1px solid var(--line);background:#fff;border-radius:.7rem;padding:.75rem .9rem;font-family:inherit;font-size:1rem;transition:border-color .2s}.field input:focus,.field textarea:focus{border-color:var(--primary);outline:none}.field textarea{resize:vertical;min-height:7rem}.form-note{color:var(--muted);margin-top:.8rem;font-size:.85rem}.contact-info{flex-direction:column;gap:1.3rem;display:flex}.info-row .k{letter-spacing:.12em;text-transform:uppercase;color:var(--primary-600);margin-bottom:.25rem;font-size:.78rem;font-weight:700}.info-row .v{color:var(--ink)}.info-row a.v:hover{color:var(--primary-600)}.map{border:1px solid var(--line);border-radius:1rem;margin-top:.4rem;overflow:hidden}.map iframe{filter:grayscale(.3)contrast(1.05);border:0;width:100%;height:220px}.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding-block:clamp(2.5rem,6vw,4rem)}.footer-grid{flex-wrap:wrap;justify-content:space-between;gap:2rem;display:flex}.footer-brand .brand{font-family:var(--display);color:var(--ink);font-size:1.4rem;font-weight:700}.footer-brand p{color:var(--muted);max-width:22rem;margin-top:.4rem;font-size:.9rem}.footer-social{flex-wrap:wrap;gap:.7rem;margin-top:1.2rem;display:flex}.social-link{border:1px solid var(--line);color:var(--ink);border-radius:999px;align-items:center;gap:.45rem;padding:.5rem .95rem;font-size:.85rem;font-weight:600;transition:border-color .2s,color .2s;display:inline-flex}.social-link svg{width:18px;height:18px}.social-link.youtube svg{fill:red}.social-link.naver svg{fill:#03c75a}.social-link:hover{border-color:var(--primary-500);color:var(--primary-600)}.footer-meta{color:var(--muted);gap:.4rem;font-size:.9rem;display:grid}.footer-meta b{color:var(--ink);font-weight:600}.footer-meta a:hover{color:var(--primary-600)}.footer-copy{border-top:1px solid var(--line);color:var(--muted);margin-top:clamp(2rem,5vw,3rem);padding-top:1.4rem;font-size:.8rem}@media (max-width:880px){.tile-grid{grid-template-columns:1fr 1fr}.why-grid,.contact-grid{grid-template-columns:1fr}}@media (max-width:560px){.tile-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important}}