@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&display=swap');
:root{--forest:#0e382d;--forest-deep:#092a22;--ink:#182e28;--muted:#66766e;--paper:#f4f6f1;--white:#fff;--line:#d4ded4;--gold:#d5a648;--cyan:#42c9d4;--shadow:0 18px 48px rgba(11,46,35,.08)}
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@media(max-width:1100px){.notebook-layout{grid-template-columns:238px minmax(0,1fr)}.sidebar{padding:23px 15px}.lecture-grid,.case-grid{grid-template-columns:1fr}}
@media(max-width:760px){.notebook-layout{display:block}.sidebar{position:relative;height:auto;max-height:none;padding:15px 16px}.brand{font-size:15px}.brand-mark{width:39px;height:39px;font-size:30px}.side-rule,.side-caption,.side-foot,.course-link{display:none!important}.sidebar nav{display:flex;flex-direction:row;gap:6px;overflow-x:auto;margin-top:12px;padding-bottom:3px}.sidebar nav .nav-item{flex:none;white-space:nowrap;font-size:12px;min-height:36px}.topbar{height:auto;min-height:51px;padding:9px 17px;font-size:11px}.topbar span{display:none}main{padding:0 17px 55px}.hero{padding:42px 0 32px}.hero h1{font-size:clamp(34px,8vw,49px)}.intro-grid,.shot-grid{grid-template-columns:1fr}.intro-grid{margin-bottom:48px}.lecture-grid,.case-grid{grid-template-columns:1fr}.lecture-card,.case-card{padding:19px}.section-heading{align-items:start}.count{margin-top:7px}.course-head{display:block}.course-head h3{font-size:25px}.explainer{padding:21px 18px}.footer{padding:24px 17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}