@charset "UTF-8";
:root{--blue:#29398f;--ink:#141a32;--pink:#ee4dad;--paper:#f6f6f2;--line:#d8dbe6;--max:1220px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:white;font-family:"Pretendard","Noto Sans KR","Malgun Gothic",sans-serif;word-break:keep-all;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--pink);outline-offset:6px}p{line-height:1.85}h1,h2,h3,p,figure{margin:0}section[id]{scroll-margin-top:20px}.skip{position:absolute;top:-100px;background:white;color:var(--blue);padding:15px;z-index:9}.skip:focus{top:0}.header{background:var(--blue);color:white;display:flex;align-items:center;justify-content:space-between;padding:26px max(6vw,calc((100vw - var(--max))/2));border-bottom:1px solid #ffffff28}.brand{font-size:23px;font-weight:800;letter-spacing:-1px;white-space:nowrap}.brand span{font-size:10px;font-weight:500;letter-spacing:2px;display:block;margin-top:5px}.header nav{display:flex;align-items:center;gap:32px;font-size:14px}.nav-buy{border:1px solid #ffffff75;padding:11px 21px;border-radius:2px}.hero{background:var(--blue);color:white;overflow:hidden}.hero-inner{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.3fr 1fr;gap:70px;align-items:center;padding:78px 0 68px}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;line-height:1.7}.hero .eyebrow{color:#d6dcff}.hero h1{font-size:clamp(42px,4.5vw,72px);line-height:1.24;letter-spacing:-4px;margin:28px 0 28px;font-weight:800}.hero h1 em{font-style:normal;color:#ffa8d6}.hero-desc{font-size:18px;color:#e1e5ff}.actions{display:flex;align-items:center;gap:26px;margin:32px 0 36px}.button{border:0;padding:17px 23px;display:inline-flex;align-items:center;justify-content:center;gap:12px;font-size:15px;font-weight:750;cursor:pointer;border-radius:2px;min-height:52px;transition:transform .18s,background .18s}.button:hover{transform:translateY(-2px)}.light{background:white;color:var(--blue)}.text-link{font-size:14px;border-bottom:1px solid #ffffff65;padding-bottom:5px}.play-icon{font-size:13px}.byline{font-size:16px;font-weight:700}.byline span{display:block;font-size:13px;font-weight:400;color:#d1d8fa;margin-top:5px}.hero-book{padding:0 24px 0 32px}.hero-book img{display:block;width:100%;height:auto;max-height:555px;object-fit:contain;filter:drop-shadow(18px 23px 17px #06144066);transform:rotate(3deg)}.hero-book figcaption{text-align:center;margin-top:32px;font-size:12px;color:#d1d8fa;line-height:1.75}.hero-bottom{max-width:var(--max);margin:auto;border-top:1px solid #ffffff35;display:flex;justify-content:space-between;padding:24px 0;font-size:12px;color:#d1d8fa}.section{max-width:var(--max);margin:auto;padding:110px 0}.blue{color:var(--blue)}h2{font-size:44px;line-height:1.4;letter-spacing:-2px;font-weight:750}h2 em{font-style:normal;color:var(--blue)}.intro{display:grid;grid-template-columns:1fr 1.15fr;gap:90px}.intro h2{margin-top:26px}.intro-body{padding-top:20px}.lead{font-size:24px;line-height:1.6!important;font-weight:700;margin-bottom:28px}.intro-body>p:not(.lead){font-size:16px;color:#535c71;margin-bottom:20px}.book-facts{display:flex;gap:44px;border-top:1px solid var(--line);margin-top:40px;padding-top:26px}.book-facts span{font-size:13px;color:#5a6174}.book-facts strong{font-size:34px;display:block;color:var(--blue);font-weight:500;margin-bottom:7px}footer{background:#111932;color:#d0d5e8;padding:45px 6vw;display:flex;align-items:center;justify-content:space-between}footer p{font-size:12px}@media(max-width:1350px){.hero-inner,.hero-bottom,.section{margin-left:6vw;margin-right:6vw}.hero-inner{gap:40px}.hero-book{padding-right:0}}@media(max-width:760px){html{scroll-padding-top:25px}.header{padding:20px 6vw}.header nav{gap:17px}.header nav>a:not(.nav-buy){display:none}.brand{font-size:21px}.nav-buy{font-size:13px;padding:9px 15px}.hero-inner{grid-template-columns:1fr;padding-top:45px;gap:44px}.hero h1{letter-spacing:-2.5px;font-size:49px;margin-top:24px}.hero-desc{font-size:16px}.eyebrow{font-size:11px;letter-spacing:1.4px}.actions{gap:20px}.button{padding:16px 18px;font-size:14px}.text-link{font-size:13px}.hero-book{padding:0 46px;max-width:440px;justify-self:center}.hero-book img{max-height:450px}.hero-book figcaption{margin-top:26px}.hero-bottom{font-size:11px;line-height:1.8}.hero-bottom span:last-child{display:none}.section{padding:72px 0}h2{font-size:34px;letter-spacing:-1.7px}.intro{grid-template-columns:1fr;gap:25px}.intro-body{padding-top:0}.lead{font-size:22px}.book-facts{justify-content:space-between;gap:15px}footer{align-items:flex-start;gap:24px;flex-direction:column}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
/* Book detail sections */
.pale{background:var(--paper)}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:42px}.section-heading h2{margin-top:18px}.section-heading>p{font-size:15px;color:#60697b}.video-layout{display:grid;grid-template-columns:1fr 225px;gap:28px;align-items:start}.video-shell{width:100%;aspect-ratio:16/9;background:#111932;overflow:hidden}.video-shell video,.video-shell iframe{width:100%;height:100%;border:0;display:block}.portrait{aspect-ratio:9/16}.main-film figcaption{display:flex;justify-content:space-between;gap:15px;font-size:13px;color:#586278;padding-top:19px}.short-film>p{font-size:13px;margin-top:15px;color:#586278}.why h2{margin-top:20px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;margin-top:58px}.features article{border-top:1px solid var(--line);padding-top:27px}.feature-no{font-size:13px;color:var(--blue);letter-spacing:2px}.features h3{font-size:22px;letter-spacing:-1px;margin:26px 0 15px}.features p{font-size:16px;color:#60697b}.quote-band{background:var(--blue);color:#fff;padding:78px 6vw;text-align:center}.quote-inner{max-width:1100px;margin:auto}.quote-band .eyebrow{color:#cad4ff}.quote-band blockquote{font-size:29px;line-height:1.7;letter-spacing:-1.2px;margin:30px 0}.quote-source{font-size:13px;color:#d0d6f1}.chapters-section{display:grid;grid-template-columns:.85fr 1.3fr;gap:80px}.chapter-intro h2{margin:22px 0}.chapter-intro>p:not(.eyebrow){font-size:16px;color:#60697b}.toc-note{display:block;font-size:13px;color:#737b8e;margin-top:32px}.chapter{border-top:1px solid var(--line)}.chapter:last-of-type{border-bottom:1px solid var(--line)}.chapter summary{cursor:pointer;list-style:none;display:grid;grid-template-columns:36px 1fr 20px;gap:18px;padding:25px 0;align-items:center}.chapter summary::-webkit-details-marker{display:none}.chapter-num{font-size:17px;color:var(--blue)}.chapter-theme{font-size:12px;color:#787f92;display:block;margin-bottom:8px}.chapter summary strong{font-size:18px;line-height:1.6;font-weight:650;display:block}.expand{font-size:26px;font-weight:300;color:var(--blue)}.chapter[open] .expand{transform:rotate(45deg)}.chapter-body{margin:0 28px 28px 54px}.chapter-body>p{font-size:14px;color:#596379}.chapter-body ul{list-style:none;padding:15px 0 0;margin:0}.chapter-body li{display:flex;justify-content:space-between;gap:20px;padding:6px 0;color:#636b7c;font-size:14px;line-height:1.7}.chapter-body li span:last-child{font-size:12px}.toc-extra{font-size:12px;color:#757e8d;margin-top:25px;line-height:2}.page-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding:12px 0 0}.page-gallery img{display:block;width:100%;height:auto;box-shadow:0 10px 35px #15275312}.page-gallery figcaption{font-size:13px;padding-top:20px;color:#626b7c}.readers{display:grid;grid-template-columns:1fr 1.1fr;gap:100px}.readers h2{margin-top:23px}.readers ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:30px}.readers li{border-top:2px solid var(--blue);padding-top:20px}.readers h3{font-size:18px;line-height:1.6;margin-bottom:12px}.readers p{font-size:14px;color:#626b7c}.question-section{background:#111932;color:white}.question-section .section{text-align:center;max-width:950px}.question-section h2{margin:22px 0 30px}.question-section .eyebrow{color:#c5ceff}.question-options{display:flex;justify-content:center;gap:12px;margin-bottom:42px}.question-options button{background:transparent;color:#d1d8ee;border:1px solid #566079;border-radius:40px;padding:12px 24px;cursor:pointer;font-size:14px}.question-options button.selected{background:#fff;color:var(--blue);border-color:white}.question-display{min-height:160px}#question-title{font-size:27px;line-height:1.65;font-weight:650;letter-spacing:-1px}#question-body{font-size:16px;color:#bac4df;max-width:620px;margin:23px auto 0}.question-note{font-size:12px;color:#939eb9;margin-top:34px}.authors{display:grid;grid-template-columns:1fr 1.05fr;gap:80px}.authors h2{margin-top:20px}.author-intro{font-size:16px;color:#60697b;max-width:440px;margin-top:27px}.author-profiles{display:grid;grid-template-columns:1fr 1fr;gap:40px}.author-en{font-size:11px;letter-spacing:1.5px;color:var(--blue)}.author-profiles article{padding-top:24px;border-top:1px solid var(--line)}.author-profiles h3{font-size:27px;letter-spacing:-1px;margin:14px 0 22px}.author-profiles p{font-size:15px;color:#60697b}.buy-section{background:#eef0f8}.buy-inner{display:grid;grid-template-columns:280px 1fr;gap:100px;align-items:center;max-width:1000px}.buy-inner>img{width:100%;height:auto;box-shadow:14px 20px 30px #29398f25}.buy-inner h2{font-size:38px;margin:20px 0 32px}.buy-title{font-size:23px;font-weight:750}.buy-author{font-size:14px;color:#697184;margin-top:4px}.specs{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:27px 0}.specs>div{display:flex;gap:18px;font-size:13px;line-height:1.8}.specs dt{color:#727a8d;min-width:34px}.specs dd{margin:0}.buy-inner .actions{gap:12px;margin:28px 0 12px}.primary{background:var(--blue);color:white}.outline{background:transparent;border:1px solid var(--blue);color:var(--blue)}.purchase-note{font-size:12px;color:#697184}@media(max-width:1000px){.video-layout{grid-template-columns:1fr 190px;gap:20px}.features{gap:24px}.chapters-section{gap:45px}.readers{gap:40px}.authors{gap:40px}.author-profiles{gap:25px}.buy-inner{gap:60px;grid-template-columns:230px 1fr}}@media(max-width:760px){.section-heading{display:block;margin-bottom:28px}.section-heading>p{margin-top:20px;font-size:14px}.video-layout{grid-template-columns:1fr;gap:36px}.short-film{width:220px;max-width:70%;margin:auto}.main-film figcaption{font-size:11px}.features{grid-template-columns:1fr;gap:30px;margin-top:35px}.features h3{margin:14px 0 10px;font-size:21px}.features p{font-size:15px}.quote-band{padding:58px 7vw}.quote-band blockquote{font-size:22px;margin:25px 0;line-height:1.8}.quote-band blockquote br{display:none}.chapters-section{grid-template-columns:1fr;gap:35px}.chapter-intro h2 br{display:none}.toc-note{margin-top:20px}.chapter summary{gap:12px;grid-template-columns:28px 1fr 17px}.chapter summary strong{font-size:16px}.chapter-body{margin-left:40px}.page-gallery{gap:14px;grid-template-columns:1fr 1fr}.page-gallery figure:last-child{display:none}.page-gallery figcaption{font-size:11px;line-height:1.7}.readers{grid-template-columns:1fr;gap:34px}.readers ul{gap:25px}.readers h3{font-size:17px}.question-options{gap:8px}.question-options button{padding:11px 19px;font-size:13px}.question-section h2{font-size:31px}.question-display{min-height:210px}#question-title{font-size:23px}#question-body{font-size:15px}.authors{grid-template-columns:1fr;gap:38px}.author-profiles{gap:28px}.author-profiles p{font-size:14px}.buy-inner{grid-template-columns:1fr;gap:40px}.buy-inner>img{max-width:200px;justify-self:center}.buy-inner h2{font-size:32px}.buy-inner .actions{flex-wrap:wrap}.specs{gap:13px 4px}.specs>div{gap:10px}.purchase-note{font-size:11px}}