@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&family=Noto+Serif+KR:wght@400;500;600;700&display=swap');
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var(--line);padding-top:35px}.short-card{display:grid;grid-template-columns:185px 1fr;gap:25px}.short-card video{width:100%;aspect-ratio:9/16;background:black}.short-card>div{align-self:center}.short-card h3{font-size:22px;line-height:1.6;margin:12px 0}.short-card p,.commentary-card>p{font-size:14px;color:var(--muted)}.short-card .text-link{font-size:13px;text-decoration:underline;color:var(--deepgold)}.youtube-facade{width:100%;aspect-ratio:16/9;position:relative;background:black;margin-bottom:20px;overflow:hidden}.youtube-facade img{width:100%;height:100%;object-fit:cover}.youtube-facade button{position:absolute;bottom:18px;left:18px;background:#111e;color:white;padding:10px 18px;border:1px solid #fff6;display:flex;align-items:center;gap:12px;font-size:14px}.youtube-facade button span{color:var(--gold)}.youtube-facade iframe{width:100%;height:100%;border:0}.commentary-card h3{font-size:23px;margin:10px 0 13px}.commentary-card .source-note{font-size:12px}.commentary-card .text-link{margin-top:10px;text-decoration:underline;font-size:13px}.reading-wrap{background:#eef0ec}.reader-panel{background:white;padding:32px 40px;border-left:3px solid var(--gold)}.reader-panel h3{font-size:23px;margin-bottom:18px}.reading-route{display:flex;gap:15px;align-items:center;flex-wrap:wrap;margin-bottom:22px}.reading-route button{background:var(--ink);color:var(--gold);padding:9px 18px;font-size:16px}.reading-route>span{color:#96a49a}.reader-panel>p{color:var(--muted);max-width:820px;margin:0;font-size:15px}.discussion{margin-top:40px}.discussion h3{font-size:22px}.discussion ol{columns:2;column-gap:65px;padding-left:23px}.discussion li{padding-left:8px;margin-bottom:20px;font-size:15px;color:#535e59;break-inside:avoid}.discussion li::marker{color:var(--deepgold);font-family:Georgia,serif;font-size:20px}.glossary-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:50px;align-items:start}.glossary-grid details{border-top:1px solid var(--line)}.glossary-grid summary{padding:21px 0;font-size:17px;font-weight:500;display:flex;justify-content:space-between}.glossary-grid summary:after{content:'+';color:var(--deepgold);margin-left:10px}.glossary-grid details[open] summary:after{content:'−'}.glossary-grid p{padding-right:18px;font-size:15px;color:var(--muted)}.author-wrap{background:var(--ink);color:#eee}.author-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}.author-grid .section-label{color:var(--gold)}.author-grid h2{font-family:var(--serif);font-size:35px;line-height:1.6;font-weight:500}.author-name{font-size:32px;font-weight:500;margin-bottom:25px}.author-name span{font-size:14px;color:var(--gold);margin-left:15px}.author-grid>div>p:not(.author-name){font-size:16px;color:#c0c9ce}.author-grid>div>.source-note{font-size:12px!important;color:#98a7ad!important}.author-grid .text-link{color:var(--gold);margin-top:20px;border-bottom:1px solid #7e7358;padding-bottom:3px}.book-section{display:grid;grid-template-columns:.7fr 1fr;gap:100px;align-items:center}.book-end-image{background:#fff;padding:25px 30px;box-shadow:0 12px 35px #15221d12}.book-end-image img{width:100%;max-height:580px;object-fit:contain}.book-section h2{font-family:var(--serif);font-size:36px;line-height:1.6;font-weight:500}.book-section h3{font-size:22px;margin-bottom:7px}.book-section>div>p{color:var(--muted);font-size:15px}.book-facts{font-size:14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;margin:25px 0}.book-facts>div{display:grid;grid-template-columns:120px 1fr;padding:5px 0}.book-facts dt{color:var(--muted)}.book-facts dd{margin:0}.buy-links{display:flex;gap:10px;flex-wrap:wrap}.ebook-links{display:flex;gap:20px;font-size:13px;color:var(--deepgold);margin-top:18px}.ebook-links a{border-bottom:1px solid #b7a787}.source-section{border-top:1px solid var(--line)}.source-section .section{padding-top:28px;padding-bottom:28px}.source-section summary{font-size:14px;font-weight:500}.source-section summary:after{content:'+';float:right}.source-section details>div{font-size:13px;color:var(--muted);padding-top:20px;max-width:970px}.source-section a{text-decoration:underline}.chapter-nav button:hover{background:#e4e7df;color:var(--ink)}.chapter-nav button.active:hover{background:#263633;color:white}
@media(max-width:1050px){.section-heading{gap:30px}.section-heading>p{max-width:330px}.case-body{gap:40px}.chapter-layout{grid-template-columns:160px 1fr;gap:20px}.chapter summary{gap:12px}.chapter-detail{padding-left:55px;padding-right:25px}.main-video-grid{grid-template-columns:1fr 270px;gap:20px}.short-card{grid-template-columns:150px 1fr;gap:18px}.diagnostic-layout{gap:25px}.pattern-layout{grid-template-columns:240px 1fr}.pattern-panel{padding:30px}.book-section{gap:60px}.journey-panel{grid-template-columns:170px 1fr}.giant-number{font-size:135px}.boundary-strip{grid-template-columns:1fr 1fr}.hero{min-height:760px}}
@media(max-width:760px){.section-heading{display:block;margin-bottom:28px}.section-heading h2{font-size:30px;margin-bottom:20px}.section-heading>p{max-width:none;font-size:14px}.journey-tabs{grid-template-columns:repeat(5,minmax(0,1fr))}.journey-tabs button{padding:15px 5px;text-align:center}.journey-tabs button span{font-size:9px;letter-spacing:0}.journey-tabs button b{font-size:12px;line-height:1.6;display:block;word-break:keep-all}.journey-panel{grid-template-columns:1fr;gap:18px;padding:27px 0 0}.giant-number{font-size:70px;letter-spacing:-3px}.journey-panel h3{font-size:24px}.journey-panel .part-question{font-size:18px}.journey-panel p{font-size:15px}.chapter-tools{display:block}.search-label{display:block;width:100%;margin-bottom:15px}.chapter-layout{display:block}.chapter-nav{position:static;flex-direction:row;overflow-x:auto;gap:7px;padding-bottom:15px;margin-bottom:15px}.chapter-nav button{flex-shrink:0;padding:10px 14px;font-size:12px;border:1px solid var(--line)}.chapter-nav button span{font-size:9px}.chapter-nav p{display:none}.chapter summary{grid-template-columns:29px 1fr 18px;gap:12px;padding:19px 2px}.chapter-number{font-size:23px}.chapter-page{grid-column:2;font-size:11px;margin-top:-11px}.expand-icon{grid-column:3;grid-row:1}.chapter summary b{font-size:17px;line-height:1.6}.chapter-preview{font-size:12px;line-height:1.7}.chapter-detail{padding:5px 17px 22px;font-size:15px}.chapter-question{padding:17px}.chapter-question p{font-size:16px}.backmatter summary{font-size:14px}.backmatter summary span{float:none;display:block;margin-left:20px;margin-top:3px}.backmatter details>div{padding:0 10px 15px;font-size:14px}.pill-tabs{gap:8px}.pill-tabs button{padding:8px 15px;font-size:13px}.case-body{grid-template-columns:1fr;gap:25px;margin:30px 0}.case-word{font-size:35px}.case-body h3{font-size:25px}.case-body>p{font-size:15px}.case-takeaways{grid-template-columns:1fr}.case-takeaways>div,.case-takeaways>div+div{padding:20px 0;border-left:0}.case-takeaways>div+div{border-top:1px solid #4e585b}.pattern-layout{display:block}.pattern-buttons{display:grid;grid-template-columns:1fr 1fr}.pattern-buttons button{padding:16px 12px;font-size:14px;border-bottom:1px solid var(--line)}.pattern-buttons button:last-child{grid-column:1/-1}.pattern-buttons button span{margin-right:12px;font-size:12px}.pattern-panel{padding:27px 22px}.pattern-panel h3{font-size:23px}.pattern-panel p{font-size:15px}.boundary-strip{gap:25px;margin-top:30px}.boundary-strip h3{grid-column:1/-1;font-size:21px}.boundary-strip>div:last-child{grid-column:1/-1}.game-grid{grid-template-columns:1fr;gap:20px}.game-controls{padding:22px}.game-result{padding:15px 0}.game-result h3{font-size:25px}.game-result>p{font-size:15px}.game-bars{gap:10px}.game-bars>div{padding:15px}.game-bars span{font-size:13px}.stack-explainer>div{grid-template-columns:1fr;gap:26px}.stack-explainer article{border-left:1px solid #667b75;padding-left:20px}.stack-explainer h4{font-size:20px;margin:5px 0 8px}.strategy-grid{grid-template-columns:1fr;gap:16px}.strategy-grid article{padding:25px}.strategy-grid h3{font-size:22px}.application{padding:25px;margin-top:30px}.application>div{grid-template-columns:1fr;gap:23px}.application h3{font-size:21px}.diagnostic-layout{grid-template-columns:1fr;gap:30px}.diagnostic-layout legend{font-size:16px;line-height:1.8}.diagnostic-layout legend span{font-size:20px}.radio-options{gap:7px}.radio-options label{padding:10px;font-size:12px}.diagnostic-result{position:static;padding:27px}.diagnostic-result h3{font-size:23px}.main-video-grid{grid-template-columns:1fr}.video-caption h3{font-size:21px}.video-chapters{padding:23px}.video-chapters button{padding:12px 0}.related-videos{grid-template-columns:1fr;gap:35px}.short-card{grid-template-columns:145px 1fr;gap:20px}.short-card h3{font-size:18px}.short-card p{font-size:13px}.short-card .micro{font-size:10px;letter-spacing:.7px}.reader-panel{padding:25px}.reader-panel h3{font-size:21px}.reading-route{gap:8px}.reading-route button{padding:8px 12px;font-size:14px}.discussion ol{columns:1;padding-left:22px}.discussion li{font-size:15px}.glossary-grid{grid-template-columns:1fr}.glossary-grid summary{font-size:16px;padding:18px 0}.author-grid{grid-template-columns:1fr;gap:25px}.author-grid h2{font-size:31px;margin-bottom:0}.author-name{font-size:28px;margin-bottom:20px}.book-section{grid-template-columns:1fr;gap:40px}.book-end-image{max-width:290px;margin:0 auto;padding:15px}.book-end-image img{max-height:380px}.book-section h2{font-size:30px}.book-facts{font-size:13px}.book-facts>div{grid-template-columns:112px 1fr}.source-note{font-size:12px}.source-section .section{padding-top:22px;padding-bottom:22px}.hero{min-height:0}.diagnostic-actions .button{font-size:14px}}
@media(max-width:370px){.hero h1{font-size:39px}.hero-stats{gap:18px}.hero-stats span{font-size:10px}.radio-options{flex-direction:column}.short-card{grid-template-columns:120px 1fr}.section{padding-left:18px;padding-right:18px}}
.execution-wrap{border-top:1px solid var(--line);background:#f0f2ee}.execution-wrap h3{font-size:21px;margin-bottom:23px}.execution-wrap h3 small{font-size:12px;font-weight:400;color:var(--muted);margin-left:12px;white-space:nowrap}.pitfall-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:start}.pitfall-grid details{background:white;border:1px solid var(--line)}.pitfall-grid summary{padding:18px;font-size:15px;font-weight:600}.pitfall-grid summary span{font-family:Georgia,serif;color:var(--deepgold);margin-right:14px}.pitfall-grid summary:after{content:'+';float:right;color:var(--deepgold)}.pitfall-grid details[open] summary:after{content:'−'}.pitfall-grid p{padding:0 20px 20px;font-size:14px;color:var(--muted);margin:0}.roadmap-title{margin-top:45px}.roadmap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}.roadmap-grid article{border-top:3px solid #9d8c61;padding-top:20px}.roadmap-grid article>span{font-size:11px;letter-spacing:1.5px;color:var(--deepgold)}.roadmap-grid h4{font-size:25px;margin:10px 0 18px}.roadmap-grid p{font-size:15px;color:var(--muted)}.roadmap-grid article>div{font-size:13px;background:#e3e8df;padding:17px;color:#4d6458}.roadmap-grid b{display:block;color:var(--ink);font-size:12px;margin-bottom:7px}@media(max-width:760px){.pitfall-grid{grid-template-columns:1fr}.roadmap-grid{grid-template-columns:1fr 1fr;gap:25px 20px}.execution-wrap h3{font-size:19px}.roadmap-grid p{font-size:14px}.roadmap-grid article>div{padding:12px;font-size:12px}.roadmap-grid h4{font-size:22px}}
.video-load-status{font-size:13px;color:var(--deepgold);padding:12px 16px;background:#eee9dc;margin:0;line-height:1.7}.video-load-status[hidden]{display:none}

/* Latest film entry point */
.new-film-strip{display:flex;align-items:center;gap:28px;max-width:1200px;margin:40px auto 0;padding:20px 28px;background:#eaece5;border:1px solid #d9ddcf;border-left:4px solid var(--gold);transition:background .2s}.new-film-strip:hover{background:#e1e5d9}.new-film-image{position:relative;display:block;width:174px;flex-shrink:0}.new-film-image img{width:100%;aspect-ratio:16/9;object-fit:cover}.new-film-image>span{position:absolute;inset:0;display:grid;place-content:center;background:#0003;color:white;font-size:27px}.new-film-copy{display:flex;flex-direction:column;gap:5px}.new-film-copy strong{font-size:22px;line-height:1.5}.new-film-copy>span:last-child{font-size:13px;color:var(--muted)}.new-film-arrow{margin-left:auto;font-size:32px;color:var(--deepgold)}
@media(max-width:1260px){.new-film-strip{margin:30px 30px 0}}@media(max-width:600px){.new-film-strip{margin:24px 20px 0;padding:15px;gap:14px;align-items:flex-start}.new-film-image{width:95px;margin-top:5px}.new-film-copy strong{font-size:16px}.new-film-copy .micro{font-size:9px;letter-spacing:.5px}.new-film-copy>span:last-child{font-size:11px}.new-film-arrow{display:none}}@media(max-width:360px){.new-film-image{width:72px}.new-film-strip{gap:10px;padding:12px}.new-film-copy strong{font-size:14px}}