:root{--ink:#111426;--muted:#697087;--paper:#f7f8fc;--white:#fff;--line:#e0e4ed;--blue:#3157f6;--blue-dark:#203fc5;--blue-soft:#e8edff;--violet:#704bd7;--green:#20a078;--yellow:#ffd45d;--nav:76px;--shadow:0 25px 65px rgba(28,43,108,.13)}*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav) + 20px)}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",sans-serif;-webkit-font-smoothing:antialiased;word-break:keep-all}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 48px));margin:auto}.section-pad{padding-block:120px}.skip-link{position:fixed;top:12px;left:12px;z-index:1000;padding:12px 18px;color:#fff;background:var(--ink);border-radius:10px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:100;height:var(--nav);background:rgba(247,248,252,.88);border-bottom:1px solid rgba(220,224,235,.85);backdrop-filter:blur(18px)}.navbar{height:100%;display:flex;align-items:center;gap:30px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:23px;font-weight:850;letter-spacing:-.9px}.brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--blue);border-radius:10px;box-shadow:0 8px 16px rgba(49,87,246,.24);font-size:19px;font-weight:900;letter-spacing:-2px;transform:rotate(-4deg)}.nav-links{display:flex;gap:29px;margin-left:auto}.nav-links a,.login-link{position:relative;color:#4a5066;font-size:14px;font-weight:650}.nav-links a:hover,.nav-links .active,.login-link:hover{color:var(--blue)}.nav-links .active::after{content:"";position:absolute;right:0;bottom:-11px;left:0;height:2px;background:var(--blue)}.nav-actions{display:flex;align-items:center;gap:18px}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;border-radius:12px;font-weight:750;line-height:1;transition:.2s ease}.button:hover{transform:translateY(-2px)}.button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(49,87,246,.28);outline-offset:3px}.button-small{min-height:42px;padding:0 18px;font-size:14px}.button-large{min-height:57px;padding:0 26px;font-size:15px}.button-primary{color:#fff;background:var(--blue);box-shadow:0 12px 26px rgba(49,87,246,.23)}.button-primary:hover{background:var(--blue-dark)}.button-white{color:var(--blue);background:#fff;box-shadow:0 18px 36px rgba(15,23,73,.23)}.mobile-menu{display:none;position:relative}.mobile-menu summary{width:40px;height:40px;display:grid;align-content:center;gap:5px;padding:9px;background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer;list-style:none}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary span{height:2px;background:var(--ink)}.mobile-menu>div{position:absolute;top:50px;right:0;width:210px;display:grid;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 35px rgba(28,35,76,.1)}.mobile-menu>div a{padding:12px 13px;border-radius:9px;font-size:13px;font-weight:650}.mobile-menu>div a:hover{color:var(--blue);background:var(--blue-soft)}
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.curriculum-section{background:#f7f8fc}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:50px;margin-bottom:55px}.section-kicker{margin:0 0 14px;color:var(--blue);font-size:10px;font-weight:850;letter-spacing:1.7px}.section-heading h2,.read-layout h2,.roadmap-copy h2,.cta-inner h2{margin:0;font-size:clamp(37px,4.3vw,54px);line-height:1.25;letter-spacing:-2.8px}.section-heading>p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}.course-list{display:grid;gap:28px}.course-block{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:0 18px 45px rgba(28,38,78,.06)}.course-header{min-height:150px;display:flex;align-items:center;justify-content:space-between;gap:40px;padding:30px 34px;color:#fff;background:linear-gradient(135deg,var(--blue),#5940d0)}.course-block:nth-child(even) .course-header{background:linear-gradient(135deg,#2c3e91,#3157f6)}.course-identity{display:flex;align-items:center;gap:20px}.course-number{width:56px;height:56px;display:grid;place-items:center;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.16);border-radius:15px;font-family:"SUIT Variable", "Pretendard Variable", Pretendard, sans-serif;font-size:17px}.course-identity small{color:#cad2ff;font-size: 9px;font-weight:850;letter-spacing:1px}.course-identity h3{margin:7px 0 0;font-size:29px;letter-spacing:-1.2px}.course-summary{display:flex;align-items:center;gap:25px}.course-summary>span{display:flex;align-items:baseline;gap:6px;color:#d4dbff;font-size:9px}.course-summary strong{color:#fff;font-family:"SUIT Variable", "Pretendard Variable", Pretendard, sans-serif;font-size:23px}.course-summary .semester{padding:8px 10px;background:rgba(255,255,255,.12);border-radius:8px}.unit-list{padding:12px 28px 26px}.unit{border-bottom:1px solid var(--line)}.unit:last-child{border-bottom:0}.unit>summary{min-height:82px;display:grid;grid-template-columns:45px 1fr auto;align-items:center;gap:15px;cursor:pointer;list-style:none}.unit>summary::-webkit-details-marker{display:none}.unit-order{color:#9ba1b3;font-family:"SUIT Variable", "Pretendard Variable", Pretendard, sans-serif;font-size:11px}.unit>summary>div{display:flex;align-items:center;gap:10px}.unit>summary strong{font-size:16px}.unit>summary small{padding:5px 8px;color:#858da3;background:#f0f2f7;border-radius:999px;font-size: 9px}.open-label{display:flex;align-items:center;gap:12px;color:#8990a3}.open-label i{font-size:9px;font-style:normal}.open-label b{font-size:21px;font-weight:350;transition:transform .2s ease}.unit[open] .open-label b{transform:rotate(45deg)}.unit[open] .open-label i{font-size:0}.unit[open] .open-label i::after{content:"접기";font-size:9px}.concept-list{margin-bottom:23px;overflow:hidden;border:1px solid #e4e7ef;border-radius:14px}.concept-row{display:grid;grid-template-columns:38px minmax(180px,.75fr) 1.25fr 25px;align-items:center;gap:15px;min-height:75px;padding:13px 18px;background:#fafbfe;border-bottom:1px solid #e7e9f0;transition:.18s ease}.concept-row:last-child{border-bottom:0}.concept-row:hover{background:var(--blue-soft)}.concept-order{color:#9ba1b3;font-family:"SUIT Variable", "Pretendard Variable", Pretendard, sans-serif;font-size:9px}.concept-main{display:flex;flex-direction:column;gap:5px}.concept-main strong{font-size:12px}.concept-main small{color:var(--blue);font-size: 9px;font-weight:750}.concept-row p{margin:0;color:#747b90;font-size:10px;line-height:1.55}.concept-arrow{justify-self:end;color:var(--blue);font-weight:800}.empty-state{display:flex;align-items:center;gap:22px;padding:35px;background:#fff;border:1px dashed #aab7ed;border-radius:22px}.empty-icon{width:55px;height:55px;display:grid;flex:0 0 auto;place-items:center;color:var(--blue);background:var(--blue-soft);border-radius:15px;font-size:22px}.empty-state h3{margin:0;font-size:16px}.empty-state p{margin:8px 0 0;color:var(--muted);font-size:11px;line-height:1.65}.empty-state code{padding:2px 5px;color:#3b4c99;background:var(--blue-soft);border-radius:4px}
.how-to-read{color:#fff;background:var(--ink)}.read-layout{display:grid;grid-template-columns:.7fr 1.3fr;align-items:center;gap:90px}.section-kicker.light{color:#91a4ff}.read-layout>div>p:last-child{margin:23px 0 0;color:#9ba3ba;font-size:13px;line-height:1.8}.read-layout ol{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:0;padding:0;list-style:none}.read-layout li{display:grid;grid-template-columns:25px 47px 1fr;align-items:center;gap:13px;min-height:115px;padding:18px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.09);border-radius:17px}.read-layout li>span{color:#6f7999;font-family:"SUIT Variable", "Pretendard Variable", Pretendard, sans-serif;font-size:9px}.read-layout li>b{width:45px;height:45px;display:grid;place-items:center;color:#aebaff;background:#252d4e;border-radius:13px;font-size:18px}.read-layout li>div{display:flex;flex-direction:column;gap:6px}.read-layout strong{font-size:13px}.read-layout li p{margin:0;color:#8f97ae;font-size:9px;line-height:1.5}
.roadmap-section{background:#fff}.roadmap-grid{display:grid;grid-template-columns:.8fr 1.2fr;align-items:center;gap:90px}.roadmap-copy>p:not(.section-kicker){margin:24px 0 0;color:var(--muted);font-size:14px;line-height:1.85}.roadmap-list{display:grid;gap:12px}.roadmap-list article{display:grid;grid-template-columns:55px 1fr auto;align-items:center;gap:18px;min-height:105px;padding:20px 23px;background:#f7f8fc;border:1px solid var(--line);border-radius:17px}.roadmap-list article>span{color:#9299ad;font-family:"SUIT Variable", "Pretendard Variable", Pretendard, sans-serif;font-size:9px}.roadmap-list article>div{display:flex;flex-direction:column;gap:6px}.roadmap-list strong{font-size:14px}.roadmap-list p{margin:0;color:var(--muted);font-size:9px}.roadmap-list article>b{padding:7px 9px;color:#7b8297;background:#eceef4;border-radius:8px;font-size: 9px}.roadmap-list .current{background:var(--blue-soft);border-color:#aab8f6}.roadmap-list .current>span,.roadmap-list .current>b{color:var(--blue)}.roadmap-list .current>b{background:#fff}
.final-cta{padding:105px 0;color:#fff;background:linear-gradient(135deg,var(--blue),#5940d0)}.cta-inner{display:flex;flex-direction:column;align-items:center;text-align:center}.cta-inner>p{margin:0 0 16px;color:#c9d1ff;font-size:9px;font-weight:850;letter-spacing:2px}.cta-inner h2{font-size:clamp(39px,4.8vw,60px)}.cta-inner .button{margin-top:33px}.site-footer{color:#8a90a4;background:#0e1120}.footer-inner{min-height:85px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:30px}.footer-brand{color:#fff}.footer-inner p{margin:0;font-size:10px}.footer-inner>div{display:flex;justify-content:flex-end;gap:17px;font-size:9px}.footer-inner a:hover{color:#fff}
@media(max-width:1050px){.nav-links{gap:18px}.hero-layout{gap:45px}.course-header{align-items:flex-start;flex-direction:column}.course-summary{width:100%;justify-content:flex-start}.read-layout,.roadmap-grid{gap:50px}}
@media(max-width:900px){:root{--nav:68px}.section-pad{padding-block:88px}.nav-links{display:none}.mobile-menu{display:block}.nav-actions{margin-left:auto}.curriculum-hero{padding:80px 0}.hero-layout{grid-template-columns:1fr}.hero-copy{max-width:720px}.scope-card{max-width:700px}.section-heading{display:block}.section-heading>p{margin-top:20px}.concept-row{grid-template-columns:35px 1fr 25px}.concept-row p{grid-column:2/3}.read-layout,.roadmap-grid{grid-template-columns:1fr}.read-layout>div,.roadmap-copy{max-width:700px}.read-layout ol,.roadmap-list{max-width:800px}.footer-inner{grid-template-columns:1fr auto}.footer-inner p{display:none}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
.course-block.is-development-locked{border-style:dashed;box-shadow:none}.course-block.is-development-locked .course-header{background:linear-gradient(135deg,#414860,#687087)}.course-development-badge{display:inline-flex;margin-top:9px;padding:5px 8px;color:#35405e;background:rgba(255,255,255,.85);border-radius:999px;font-size:9px}.course-development-panel{display:grid;gap:7px;margin:22px 28px 28px;padding:27px;color:#687187;background:#f3f5f9;border:1px dashed #cbd2e0;border-radius:15px}.course-development-panel strong{color:#2f374e;font-size:15px}.course-development-panel span{font-size:10px;line-height:1.6}
.roadmap-list .course-category-button{width:100%;display:grid;grid-template-columns:55px 1fr auto;align-items:center;gap:18px;min-height:105px;padding:20px 23px;color:inherit;text-align:left;background:#f7f8fc;border:1px solid var(--line);border-radius:17px;font-family:inherit;cursor:pointer;transition:transform .18s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease}.roadmap-list .course-category-button>span{color:#9299ad;font-family:"SUIT Variable","Pretendard Variable",Pretendard,sans-serif;font-size:9px}.roadmap-list .course-category-button>div{display:flex;flex-direction:column;gap:6px}.roadmap-list .course-category-button>b{padding:7px 9px;color:#7b8297;background:#eceef4;border-radius:8px;font-size:9px}.roadmap-list .course-category-button:hover{transform:translateY(-2px);border-color:#aab8f6;box-shadow:0 13px 25px rgba(49,87,246,.1)}.roadmap-list .course-category-button.current{background:var(--blue-soft);border-color:#aab8f6}.roadmap-list .course-category-button.current>span,.roadmap-list .course-category-button.current>b{color:var(--blue)}.roadmap-list .course-category-button.current>b{background:#fff}.roadmap-list .course-category-button:focus-visible{outline:3px solid rgba(49,87,246,.28);outline-offset:3px}@media(max-width:640px){.roadmap-list .course-category-button{grid-template-columns:42px 1fr;padding:18px}.roadmap-list .course-category-button>b{display:none}}