@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&display=swap');
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@media(max-width:1100px){.header{padding:0 30px}.wrap{width:calc(100% - 60px)}.hero-grid{gap:20px;min-height:590px}.hero h1{font-size:52px}.book-object{width:245px}.book-stage{height:490px}.orbit-caption{right:-5px}.hero-actions{gap:16px}.hero .text-link{font-size:10px}.intro-grid{gap:40px}h2{font-size:36px}.concept-layout{gap:40px;grid-template-columns:.85fr 1.15fr}.graph-node{width:132px;padding:12px}.graph-node strong{font-size:11px}.graph-node small{font-size:8px}.chapter-content{gap:30px}.writing-grid{gap:35px}.quote-paper{padding:30px;min-height:460px}.quote-paper blockquote{font-size:25px}.reviews-grid{gap:15px}.review-card{padding:25px}.contribute-grid{gap:55px}.desk-actions{gap:12px}.button{padding:14px 18px}.brand-book,.brand-divider{display:none}.header nav{gap:22px}.buy-grid{gap:65px}.share-copy{gap:40px}}
@media(max-width:800px){html{scroll-padding-top:72px}.wrap{width:calc(100% - 40px)}.header{height:68px;padding:0 20px;gap:20px}.brand{font-size:16px}.brand-icon{width:25px;height:25px;font-size:17px;line-height:20px}.header nav{margin-left:auto;gap:18px;font-size:11px}.header nav a.nav-secondary{display:none}.nav-buy{font-size:11px}.nav-buy span{margin-left:6px}.hero-grid{grid-template-columns:1fr 0.8fr;min-height:530px;padding-top:35px;padding-bottom:30px;gap:10px}.hero h1{font-size:41px}.hero .eyebrow{font-size:8px;letter-spacing:.11em}.hero-sub{font-size:13px;margin-top:27px}.hero-actions{flex-direction:column;align-items:flex-start;gap:16px;margin-top:27px}.hero-meta{font-size:9px;gap:10px;margin-top:30px}.hero-meta span+span:before{margin-right:10px}.book-object{width:200px}.book-stage{height:400px}.orbital{width:420px;height:420px}.orbit-caption{display:none}.stage-note{font-size:7px;bottom:0}.hero-bottom>span{font-size:25px}.hero-bottom p{font-size:9px}.section{padding-top:70px;padding-bottom:70px}.section-top{margin-bottom:35px;padding-bottom:20px}.section-top .eyebrow{font-size:9px}.section-top>span{font-size:9px}.intro-grid{gap:30px}.intro-grid h2{font-size:30px}.prose{font-size:13px}.book-facts{margin-top:45px}.book-facts>div{padding:0 15px}.book-facts strong{font-size:32px}.book-facts strong span{font-size:10px}.book-facts p{font-size:9px}h2{font-size:34px}.concept-layout{grid-template-columns:1fr;gap:30px}.concept-layout>div:first-child{position:relative}.concept .muted{font-size:13px}.concept-note{max-width:280px;position:absolute;right:0;bottom:0}.graph-panel{max-width:100%;width:100%}.graph-canvas{height:245px;margin:0 50px}.graph-node{width:180px;padding:16px}.graph-node strong{font-size:13px}.graph-node small{font-size:10px}.section-title-row .muted{font-size:11px}.chapters summary{gap:25px}.chapters h3{font-size:19px}.chapter-content{padding-left:68px;padding-right:25px;gap:25px}.chapter-page{font-size:10px}.preview-row h3{font-size:16px}.preview-links{gap:8px;font-size:10px}.preview-links a{padding:12px}.author-grid{gap:35px}.author-section h2{font-size:29px}.author-bio p{font-size:12px}.author-bio h3 span{display:block;margin:8px 0 0}.reviews-grid{grid-template-columns:repeat(2,1fr)}.review-card:last-child{grid-column:1/-1;min-height:auto}.review-card:last-child>p{max-width:580px}.review-card h3{font-size:20px}.review-card:nth-child(4){min-height:310px}.writing-grid{grid-template-columns:1fr 1fr;gap:25px}.quote-paper{min-height:435px;padding:24px}.quote-paper blockquote{font-size:23px}.writing-desk .eyebrow{font-size:8px}.desk-actions{flex-direction:column;align-items:flex-start;gap:3px}.gallery-invitation{gap:15px;flex-wrap:wrap}.gallery-invitation>div{flex:1}.gallery-invitation>a{margin-left:48px}.promo-grid{gap:14px}.promo-grid span{font-size:9px;gap:6px;flex-direction:column}.contribute-grid{gap:35px}.contribute h2{font-size:34px}.contribute p:not(.local-note):not(.form-status){font-size:12px}.buy-grid{grid-template-columns:180px 1fr;gap:55px}.buy-grid>img{width:180px}.buy h2{font-size:44px}.buy-subtitle{font-size:15px}.purchase-links{gap:7px}.purchase-links a{padding:10px 14px;font-size:11px}.footer-links{gap:18px}}
@media(max-width:580px){body{font-size:14px}.header{height:64px;padding:0 18px;gap:16px}.header nav{gap:14px;font-size:10px}.nav-buy{display:none}.hero-grid{display:flex;flex-direction:column;align-items:stretch;padding-top:40px;padding-bottom:16px;gap:18px}.hero-copy{padding:0 2px}.hero h1{font-size:clamp(35px,9.5vw,52px);margin-top:27px}.hero .eyebrow{font-size:8px}.hero-sub{font-size:13px;margin-top:26px}.hero-actions{flex-direction:row;align-items:center;gap:18px}.hero .text-link{font-size:10px}.hero .button{font-size:11px;gap:18px;padding:13px 17px}.hero-meta{margin-top:28px;font-size:9px}.book-stage{height:380px;margin-top:4px;flex-shrink:0}.book-object{width:213px;transform:rotateY(-12deg) rotateZ(5deg)}.orbital{width:470px;height:470px}.stage-note{bottom:0;font-size:8px}.hero-bottom{padding:24px 0;gap:12px}.hero-bottom>span{font-size:23px;letter-spacing:.08em}.hero-bottom p{font-size:8px;max-width:115px;line-height:1.8}.hero-bottom>a{font-size:22px}.section{padding-top:56px;padding-bottom:56px}.section-top{margin-bottom:29px;align-items:flex-start;gap:15px}.section-top>span{max-width:150px;text-align:right;font-size:8px}.section-top .eyebrow{font-size:8px;letter-spacing:.1em}.intro-grid{grid-template-columns:1fr;gap:26px}.intro-grid h2,h2{font-size:31px;line-height:1.45}.prose{font-size:13px;line-height:1.95}.book-facts{grid-template-columns:repeat(2,1fr);row-gap:26px;padding-top:25px;margin-top:35px}.book-facts>div{padding:0 20px}.book-facts>div:nth-child(3){padding-left:0;border:0}.book-facts strong{font-size:32px}.book-facts p{font-size:10px}.concept-note{position:static;max-width:none;font-size:9px}.graph-panel{min-height:350px}.graph-canvas{height:250px;margin:0 12px}.graph-node{width:43%;padding:13px}.graph-node strong{font-size:11px}.graph-node small{font-size:8px}.node-c{width:47%;bottom:20px}.graph-insight p{font-size:12px}.graph-status{padding:18px;font-size:9px}.graph-insight{padding:15px 18px;min-height:104px}.section-title-row{display:block;margin-bottom:30px}.section-title-row .muted{margin-top:16px;font-size:12px}.chapters summary{gap:14px;padding:23px 0}.chapter-no{min-width:29px;font-size:26px}.chapters summary div>span{font-size:9px}.chapters h3{font-size:17px;line-height:1.5}.chapter-page{display:none}.plus{margin-left:auto;margin-right:0;font-size:18px}.chapter-content{grid-template-columns:1fr;gap:15px;padding:0 15px 25px 44px;font-size:12px}.chapter-content ul{font-size:11px}.preview-row{display:block;margin-top:32px}.preview-links{margin-top:20px;font-size:11px}.author-section{padding:50px 0}.author-grid{grid-template-columns:1fr;gap:32px}.author-section h2{font-size:30px}.author-bio h3 span{display:inline-block;margin-left:12px}.reviews-grid{grid-template-columns:1fr;gap:16px}.review-card,.review-card:nth-child(4),.review-card:nth-child(5){min-height:auto;padding:27px}.review-category{margin-bottom:14px}.review-card h3{font-size:21px}.review-card>p{font-size:12px}.review-notice{font-size:11px}.source-date{font-size:9px}.quote-picks{gap:6px}.quote-picks button{font-size:10px;padding:7px 11px}.writing-grid{grid-template-columns:1fr;gap:30px}.quote-paper{padding:30px;min-height:405px}.quote-paper blockquote{font-size:25px;min-height:120px}.quote-mark{margin-top:24px}.quote-source{margin-top:20px;margin-bottom:27px}.writing-desk{padding:0}.desk-actions{flex-direction:row;align-items:center;gap:25px}.writing-desk .eyebrow{font-size:9px}.gallery-invitation{margin-top:32px}.gallery-invitation h3{font-size:16px}.gallery-invitation p{font-size:10px;line-height:1.9}.gallery-symbol{display:none}.gallery-invitation>a{margin-left:0;margin-top:9px}.promo-grid{grid-template-columns:1fr;gap:30px}.promo-grid span{flex-direction:row;font-size:11px}.promo-grid article{max-width:380px;width:100%;margin:auto}.share-copy{grid-template-columns:1fr;gap:20px}.share-copy>div{flex-direction:row;gap:25px}.share-copy p{font-size:11px}.contribute-grid{grid-template-columns:1fr;gap:35px}.contribute .contact-note{margin-top:23px!important}.contribute h2{font-size:32px}.contribute .button{width:100%}.buy-grid{grid-template-columns:1fr;gap:35px;text-align:center}.buy-grid>img{width:170px;margin:auto}.buy .eyebrow{margin-top:7px;margin-bottom:15px}.buy h2{font-size:44px}.buy-subtitle{font-size:14px;margin-top:10px}.purchase-links{justify-content:center;margin-top:26px}.purchase-links a{font-size:10px;padding:12px 14px}.buy .book-detail{font-size:9px!important}.footer{padding-top:30px;padding-bottom:30px;grid-template-columns:1fr;gap:25px}.footer-links{justify-content:flex-start;font-size:10px}.footer p{font-size:10px}.footer small{font-size:8px}.toast{font-size:11px;width:max-content;max-width:calc(100% - 40px)}}

/* The book trailer is loaded only when the reader chooses to play it. */
.hero-actions{flex-wrap:wrap;column-gap:23px;row-gap:15px}.hero-actions .play-triangle{font-size:10px}.hero-writing-link{flex-basis:100%;width:fit-content}
.header nav .nav-video{color:#c4c5ff}.video-section{background:#e9e8f0;border-bottom:1px solid #d3d3dd}.video-section .section-top{border-color:#cdcdd9}.video-section .section-top .eyebrow{color:#636a97}.video-intro{align-items:center;margin-bottom:42px}.video-intro>div{max-width:470px;width:42%}.video-intro>div>p:first-child{font-size:20px;font-family:var(--serif);line-height:1.7;color:#444967;letter-spacing:-.035em}.video-intro .muted{font-size:12px;margin-top:15px;line-height:1.95}.video-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:32px;align-items:start}.video-main{min-width:0}.video-frame{position:relative;aspect-ratio:16/9;width:100%;background:#101117;overflow:hidden;border:1px solid #17191f30;box-shadow:0 18px 40px #282b4c15}.video-frame iframe{position:absolute;inset:0;border:0;width:100%;height:100%;display:block}.video-poster{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;background:#17191f;color:white;text-align:left}.video-poster img{width:100%;height:100%;object-fit:cover;transition:transform .5s,filter .5s}.video-poster:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,#11132305 25%,#11132318 55%,#111323cf 100%);pointer-events:none}.video-poster:hover img{transform:scale(1.02);filter:brightness(.92)}.video-play-icon{position:absolute;z-index:2;left:50%;top:46%;transform:translate(-50%,-50%);display:grid;place-items:center;padding-left:4px;width:72px;height:72px;border-radius:50%;background:#bfc1ffed;box-shadow:0 0 0 12px #a6a7ef22,0 8px 25px #0004;color:#22263d;font-size:23px;transition:background .2s}.video-poster:hover .video-play-icon{background:#dddeff}.video-poster:focus-visible{outline-offset:-6px;outline-color:#c5c7ff;z-index:2}.video-poster-caption{position:absolute;z-index:2;bottom:28px;left:30px;right:30px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.video-poster-caption strong{font-size:24px;line-height:1.55;letter-spacing:-.045em;font-weight:500}.video-poster-caption>span{font-size:11px;white-space:nowrap;color:#dedfec}.video-poster-caption b{font-weight:500;margin-left:12px;background:#ffffff20;border:1px solid #ffffff35;padding:3px 7px;font-variant-numeric:tabular-nums}.video-meta{display:flex;align-items:center;justify-content:space-between;gap:15px;color:#666c7d;font-size:10px;margin-top:17px}.video-meta>span{display:flex;align-items:center;gap:8px}.video-meta .small-dot{background:#737ab8;box-shadow:none;width:5px;height:5px}.video-external{border-bottom:1px solid #a9adbf;padding-bottom:1px;white-space:nowrap}.video-status{font-size:10px;color:#7b7f8d;margin-top:8px;min-height:18px}.video-status.is-error{color:#9c4343}.video-chapters .eyebrow{color:#7b80a0;font-size:9px;margin-bottom:10px}.video-chapters h3{font-size:23px;line-height:1.5;font-weight:500}.video-chapter-note{font-size:10px;line-height:1.9;color:#777d8e;margin:9px 0 20px}.video-chapter-list{border-top:1px solid #b9bdce}.video-chapter{display:grid;grid-template-columns:44px minmax(0,1fr) 12px;align-items:start;gap:10px;width:100%;border:0;border-bottom:1px solid #cdcfda;padding:20px 6px;background:transparent;text-align:left;color:var(--ink);transition:background .2s}.video-chapter:hover{background:#dcdde9}.video-chapter[aria-pressed=true]{background:#d7d9ee;box-shadow:inset 3px 0 #757bbc}.video-chapter-time{font-size:10px;line-height:2;color:#72799c;font-variant-numeric:tabular-nums;letter-spacing:-.02em}.video-chapter strong{font-size:12px;font-weight:600;display:block;line-height:1.8;letter-spacing:-.03em}.video-chapter small{display:block;font-size:9px;line-height:1.8;color:#787e8f;margin-top:4px}.video-chapter-arrow{font-size:13px;color:#8389a9;line-height:1.6}.video-bottom{display:flex;align-items:flex-start;justify-content:space-between;gap:35px;border-top:1px solid #c7cad7;margin-top:30px;padding-top:21px}.video-transcript{flex:1;max-width:860px}.video-transcript summary{list-style:none;cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:space-between;gap:25px;padding:7px 0;color:#535b76}.video-transcript summary::-webkit-details-marker{display:none}.video-transcript summary span{font-size:18px;font-weight:400;line-height:1}.video-transcript[open] summary span{transform:rotate(45deg)}.video-transcript>div{font-size:12px;color:#656d7f;line-height:2;padding:18px 20px 6px 0}.video-transcript p+p{margin-top:13px}.video-transcript>div>a{display:inline-block;font-size:11px;color:#515b82;margin-top:17px;border-bottom:1px solid #9fa5be}.video-bottom>.text-button{white-space:nowrap;color:#626b88;font-size:11px}
@media(max-width:1100px){.video-layout{grid-template-columns:minmax(0,1fr) 265px;gap:25px}.video-chapter{padding:15px 6px;gap:7px}.video-chapters h3{font-size:21px}.video-chapter-note{margin-bottom:15px}.video-poster-caption{left:22px;right:22px;bottom:20px}.video-poster-caption strong{font-size:20px}.video-poster-caption>span{font-size:10px}.video-poster-caption b{margin-left:5px}.video-play-icon{width:60px;height:60px;font-size:20px}.header nav{gap:23px}}
@media(max-width:900px){.video-layout{grid-template-columns:1fr;gap:27px}.video-chapters .eyebrow{margin-bottom:5px}.video-chapters h3{font-size:21px}.video-chapter-note{margin:6px 0 17px}.video-chapter-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:20px}.video-chapter{padding:16px 8px;grid-template-columns:46px minmax(0,1fr) 14px}.video-chapter strong{font-size:12px}.video-chapter small{font-size:10px}.video-intro>div{width:45%}.video-intro>div>p:first-child{font-size:18px}.video-intro .muted{font-size:11px}.video-poster-caption strong{font-size:26px}.video-play-icon{width:72px;height:72px;font-size:23px}.video-poster-caption{left:30px;right:30px;bottom:25px}.video-poster-caption>span{font-size:11px}.video-bottom{margin-top:25px}}
@media(max-width:800px){.header nav{gap:18px}.hero-actions{flex-wrap:nowrap}.hero-writing-link{flex-basis:auto}.video-intro{gap:30px}.video-intro h2{font-size:34px}.video-meta{font-size:10px}.video-status{font-size:9px}}
@media(max-width:580px){.header{gap:12px}.header nav{gap:12px;white-space:nowrap;font-size:10px}.hero-actions{flex-wrap:wrap;column-gap:17px;row-gap:13px}.hero-actions .hero-writing-link{flex-basis:100%}.video-intro{margin-bottom:25px}.video-intro h2{font-size:31px}.video-intro>div{width:100%;margin-top:20px;max-width:none}.video-intro>div>p:first-child{font-size:17px}.video-intro .muted{font-size:11px;margin-top:10px}.video-frame{box-shadow:0 10px 25px #282b4c18}.video-poster-caption{left:16px;right:16px;bottom:14px;gap:8px}.video-poster-caption strong{font-size:15px;line-height:1.6}.video-poster-caption>span{font-size:8px;white-space:normal;text-align:right}.video-poster-caption b{font-size:9px;display:inline-block;margin:4px 0 0 5px;padding:1px 5px}.video-play-icon{width:48px;height:48px;font-size:16px;box-shadow:0 0 0 7px #a6a7ef22,0 5px 18px #0004;top:43%}.video-meta{font-size:9px;gap:8px;margin-top:13px}.video-meta>span{gap:5px}.video-layout{gap:25px}.video-chapter-list{column-gap:12px}.video-chapter{grid-template-columns:1fr 12px;gap:4px;padding:14px 9px}.video-chapter-time{grid-column:1/-1;font-size:10px}.video-chapter strong{font-size:11px;line-height:1.7}.video-chapter small{font-size:9px;line-height:1.8}.video-chapter-arrow{font-size:12px}.video-chapter-note{font-size:10px}.video-chapters h3{font-size:20px}.video-bottom{display:block;padding-top:13px;margin-top:22px}.video-bottom>.text-button{margin-top:13px;font-size:10px}.video-transcript summary{font-size:11px}.video-transcript>div{font-size:11px;padding-right:0}}
@media(max-width:350px){.header .brand{font-size:14px;gap:7px}.header nav{gap:9px;font-size:9px}.video-meta{font-size:8px}.video-chapter-list{column-gap:8px}.video-chapter strong{font-size:10px}.video-chapter small{font-size:8px}}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{body>*{display:none!important}.print-sheet{display:block!important;padding:15mm;background:white;color:#111;font-family:var(--serif)}.print-sheet h1{font-family:var(--sans);font-size:24pt}.print-sheet .print-quote{font-size:17pt;line-height:1.9;margin:15mm 0 5mm}.print-sheet p{font-size:10pt}.print-lines{height:125mm;background:repeating-linear-gradient(transparent 0,transparent 11.5mm,#bbb 11.5mm,#bbb 11.7mm)}@page{size:A4;margin:10mm}}