:root{--bg:#fff;--ink:#111216;--muted:#626870;--blue:#2455ff;--line:#e4e5e8;--font:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,sans-serif}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--font);-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:anywhere}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}img{display:block;max-width:100%;height:auto}[hidden]{display:none!important}.container{width:min(1240px,calc(100% - 96px));margin-inline:auto}.reading-container{width:min(720px,calc(100% - 40px));margin-inline:auto}.bg-icon{display:inline-block;vertical-align:middle;width:24px;height:24px;flex-shrink:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-90px;left:20px;background:#111;color:#fff;padding:12px 20px;z-index:999999}.skip-link:focus{top:12px}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--blue);outline-offset:5px}::selection{background:#d9e3ff;color:#102356}
.site-header{border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:30}.header-inner{height:86px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:16px;flex-shrink:0}.brand-name{font-size:36px;font-weight:870;letter-spacing:-2.1px;line-height:1}.brand-tag{font-size:13px;color:#73777e;border-left:1px solid #d9dbe0;padding-left:16px}.desktop-nav{display:flex;gap:32px;margin-left:auto}.desktop-nav a{padding:13px 0;font-weight:580;font-size:16px;color:#555b63}.desktop-nav a:hover,.desktop-nav a[aria-current]{color:#111216}.header-actions{display:flex;align-items:center;gap:10px;padding-left:16px}.icon-button{display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:6px;background:transparent;color:#111;transition:background .2s}.icon-button:hover{background:#f4f4f5}.mobile-menu-toggle{display:none}.write-link{display:flex;align-items:center;gap:7px;font-size:14px;font-weight:650;border:1px solid #dadce1;padding:9px 13px;border-radius:6px}.write-link .bg-icon{width:17px;height:17px}.mobile-nav{padding-block:0 17px}.mobile-nav a{display:flex;align-items:center;justify-content:space-between;font-size:17px;padding:12px 0}
.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:14px 22px;font-size:16px;font-weight:630;line-height:1.4;border:1px solid transparent;border-radius:7px;transition:background .2s,transform .2s}.button .bg-icon{width:20px;height:20px}.button-primary{background:#111216;color:#fff}.button-primary:hover{background:#292c33;transform:translateY(-2px)}.button-outline{border-color:#d2d5db;background:#fff}.button-outline:hover{border-color:#959ca9}.button-text{background:transparent;padding-inline:9px}.button-text:hover{color:var(--blue)}.button:active{transform:translateY(0)}.eyebrow{display:inline-block;font-size:14px;font-weight:550;line-height:1.6;color:#6b7079}.home-hero{display:grid;grid-template-columns:.96fr 1.04fr;align-items:center;gap:35px;padding-block:62px 58px;min-height:556px}.hero-copy{position:relative;z-index:2}.hero-copy>.eyebrow{font-size:15px;color:#40444d}.hero-copy h1{font-size:90px;line-height:1.09;letter-spacing:-5.2px;font-weight:800;margin:23px 0 24px}.hero-period{color:var(--blue)}.hero-description{font-size:18px;line-height:1.8;letter-spacing:-.22px;color:#686d76;margin:0 0 27px}.hero-buttons{display:flex;align-items:center;gap:22px}.hero-object{height:430px;position:relative;perspective:1000px;--tilt-x:0deg;--tilt-y:0deg;user-select:none}.hero-sculpture{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;transform:rotateX(var(--tilt-x)) rotateY(var(--tilt-y));transition:transform .6s cubic-bezier(.2,.8,.2,1)}.hero-sculpture img{width:100%;height:auto;max-height:440px;object-fit:contain}.topics-section{border-top:1px solid #dadce1;border-bottom:1px solid #dadce1;padding-block:12px}.topic-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.topic-list:has(.topic-item:only-child){grid-template-columns:1fr}.topic-item{display:flex;align-items:center;gap:20px;padding:3px 10px;min-height:78px}.topic-icon{width:74px;height:74px;flex-shrink:0;display:flex;align-items:center;justify-content:center}.topic-icon img{max-width:74px;max-height:74px;width:auto;height:auto;transition:transform .3s}.topic-item:hover .topic-icon img{transform:translateY(-3px) rotate(-3deg)}.topic-copy{display:flex;align-items:center;gap:24px;flex:1;min-width:0}.topic-copy strong{font-size:18px;font-weight:670;letter-spacing:-.4px}.topic-copy>span{font-size:15px;color:#747a83}.topic-arrow{width:20px;height:20px;margin-left:auto;color:#5d6572}.topic-item:hover .topic-arrow{color:var(--blue)}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:25px}.section-heading h2{font-size:30px;font-weight:720;letter-spacing:-1px;line-height:1.4;margin:0}.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:590;min-height:44px}.text-link .bg-icon{width:18px;height:18px}.text-link:hover{color:var(--blue)}.home-notes{padding-block:42px 42px}.featured-note{display:grid;grid-template-columns:.77fr 1.23fr;align-items:center;gap:48px;min-width:0}.featured-visual{display:block;min-width:0}.post-cover{aspect-ratio:4/3;overflow:hidden;position:relative;background:#f2f3f5;min-width:0}.post-cover>img{width:100%;height:100%;object-fit:cover;object-position:var(--cover-focus,center);transition:transform .5s cubic-bezier(.2,.8,.2,1)}.featured-visual:hover img,.note-card>a:hover img{transform:scale(1.025)}.post-cover.default-asset{background:#f7f8fa;aspect-ratio:1.25;border-radius:2px;display:flex;align-items:center;justify-content:center;padding:28px}.post-cover.default-asset img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain}.featured-copy{padding:15px 0;display:flex;flex-direction:column;justify-content:center;min-width:0}.note-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:#7e858f}.category-label{font-size:13px;color:#2455ff;font-weight:650}.featured-copy h3{font-size:34px;font-weight:710;letter-spacing:-1.3px;line-height:1.45;margin:16px 0}.featured-copy h3 a:hover{color:var(--blue)}.featured-copy>p{font-size:17px;line-height:1.8;color:#69707c;letter-spacing:-.2px;margin:0}.note-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:21px;border-top:1px solid #e6e8eb;padding-top:12px}.reading-time{font-size:13px;color:#878e99}.reading-time .bg-icon{width:15px;height:15px}.about-strip{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding-block:34px 39px;border-top:1px solid #dadce1;margin-bottom:8px}.about-strip-copy h2{font-size:30px;font-weight:680;line-height:1.45;letter-spacing:-1px;margin:10px 0 0}.about-strip-detail{align-self:center}.about-strip-detail p{font-size:16px;line-height:1.85;color:#6a717d;margin:0 0 12px;max-width:430px}.site-footer{background:#fff;border-top:1px solid var(--line);padding-block:27px}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.footer-inner>div{display:flex;align-items:center;gap:18px}.footer-brand{font-size:24px;font-weight:820;letter-spacing:-1.3px}.footer-tagline{font-size:12px;color:#7d828b}.footer-inner nav{display:flex;gap:24px;align-items:center}.footer-inner nav a{font-size:12px;color:#7a818d;min-height:32px;display:flex;align-items:center}.footer-inner nav a:hover{color:#111}.copyright{font-size:10px;letter-spacing:.7px;color:#969da9}
.search-dialog{width:min(540px,calc(100% - 32px));padding:26px;border:1px solid #d5d8de;border-radius:12px;background:#fff;color:#111;box-shadow:0 20px 90px #11121622}.search-dialog::backdrop{background:#11121677;backdrop-filter:blur(3px)}.search-dialog-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}.search-dialog h2{font-size:23px;font-weight:650;letter-spacing:-.6px;margin:0}.search-dialog label{font-size:14px;font-weight:600;display:block;margin:16px 0 8px}.search-field{display:flex;gap:10px}.search-field input{width:100%;min-width:0;border:1px solid #d0d5dd;border-radius:7px;background:#fff;color:#111;padding:13px 14px;font-size:16px}.search-field .button{flex-shrink:0}.archive-main{padding-block:55px 66px;min-height:65vh}.archive-header h1,.page-header h1{font-size:40px;line-height:1.4;font-weight:750;letter-spacing:-1.6px;margin:13px 0}.archive-header p{font-size:18px;line-height:1.8;color:#6e7581;margin:0}.category-filters{display:flex;gap:7px;flex-wrap:wrap;margin:28px 0 32px}.category-filters a{font-size:14px;font-weight:560;border:1px solid #d9dce2;border-radius:5px;padding:10px 16px;background:#fff;min-height:44px}.category-filters a[aria-current]{background:#111216;color:#fff;border-color:#111216}.category-filters a:hover{border-color:#8d98ae}.note-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:30px}.note-card{min-width:0;background:#fff}.note-card .post-cover{border-radius:2px}.note-card-copy{padding:20px 0}.note-card-copy h2{font-size:23px;line-height:1.5;font-weight:690;letter-spacing:-.7px;margin:11px 0}.note-card-copy h2 a:hover{color:var(--blue)}.note-card-copy>p{font-size:16px;line-height:1.8;color:#707784;margin:0 0 20px}.note-card-copy .note-meta{justify-content:space-between;font-size:12px}.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:36px}.pagination:empty{display:none}.page-numbers{display:grid;place-items:center;min-width:44px;height:44px;padding:8px 12px;border:1px solid #dadce1;border-radius:5px;background:#fff}.page-numbers.current{background:#111216;color:#fff;border-color:#111216}.empty-state{padding:29px 0;border-top:1px solid #e0e2e6}.empty-state h2,.empty-state h3{font-size:25px;line-height:1.5;font-weight:650;letter-spacing:-.6px;margin:0 0 12px}.empty-state p{font-size:17px;color:#717c8e;margin:0 0 22px}.page-main{padding-block:54px 68px}.page-header{padding-bottom:23px;border-bottom:1px solid var(--line);margin-bottom:32px}.error-main{padding-block:95px 115px;min-height:65vh}.error-main h1{font-size:36px;line-height:1.5;letter-spacing:-1.4px}.error-main p{font-size:18px;color:#747e90;margin-bottom:26px}
.single-main{background:#fff;padding-bottom:62px}.article-header{padding-top:38px}.article-back{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#7b8390;min-height:44px;margin-bottom:22px}.article-back .bg-icon{width:16px;height:16px;transform:rotate(180deg)}.article-header h1{font-size:40px;line-height:1.45;font-weight:740;letter-spacing:-1.6px;margin:18px 0}.article-deck{font-size:19px;line-height:1.8;color:#717985;letter-spacing:-.22px;margin:0 0 24px}.article-byline{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:13px;color:#8a929f;padding-bottom:27px;border-bottom:1px solid var(--line)}.article-byline a{color:#555f6e;font-weight:600}.byline-divider{width:1px;height:10px;background:#e0e3e9;margin-inline:3px}.author-avatar{display:grid;place-items:center;width:28px;height:28px;background:#f1f2f4;color:#454e5c;border-radius:4px;font-size:12px;font-weight:650;flex-shrink:0}.author-avatar.large{width:47px;height:47px;font-size:19px}.article-featured{margin:28px 0 0}.article-featured img{width:100%;height:auto;max-height:640px;object-fit:contain;border-radius:3px}.article-featured figcaption{font-size:14px;line-height:1.7;color:#808a9d;text-align:center;margin-top:10px}.article-layout{display:grid;grid-template-columns:160px minmax(0,720px) 160px;gap:40px;padding-top:30px;align-items:start;justify-content:center}.article-aside{position:sticky;top:30px;min-width:0}.article-toc{border-left:1px solid #e2e5eb;padding-left:15px;margin-top:6px}.article-toc summary{display:flex;align-items:center;gap:8px;list-style:none;cursor:pointer;min-height:44px;font-size:13px;font-weight:650;color:#5e697c}.article-toc summary::-webkit-details-marker{display:none}.article-toc summary .bg-icon{width:15px;height:15px}.article-toc summary .bg-icon:last-child{margin-left:auto;transition:transform .2s}.article-toc[open] summary .bg-icon:last-child{transform:rotate(180deg)}.article-toc ol{list-style:none;padding:0;margin:11px 0;display:flex;flex-direction:column;gap:4px}.article-toc a{display:block;padding:7px 0;font-size:12px;line-height:1.7;color:#9098a6}.article-toc a:hover,.article-toc a[aria-current]{color:var(--blue)}.article-content{min-width:0}.article-footer{margin-top:43px;padding-top:25px;border-top:1px solid var(--line)}.article-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:23px}.article-tags a{font-size:13px;padding:7px 10px;border:1px solid #e1e4e9;border-radius:4px;color:#7c879b}.article-tags a:hover{color:var(--blue)}.article-author{display:flex;gap:16px;padding:22px;background:#f7f8fa;border-radius:4px}.article-author strong{font-size:16px;font-weight:650}.article-author p{font-size:14px;line-height:1.8;color:#7d8696;margin:5px 0}.article-author .text-link{font-size:13px;min-height:32px}.article-end-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:24px}.article-end-actions .button{font-size:14px}.copy-status{width:100%;font-size:13px;color:var(--blue)}.copy-status:empty{display:none}.reveal-item{opacity:1;transform:none}.reveal-item.is-entering{animation:beolgo-enter .35s cubic-bezier(.2,.8,.2,1)}@keyframes beolgo-enter{from{transform:translateY(8px)}to{transform:translateY(0)}}
@media(max-width:1200px){.container{width:calc(100% - 64px)}.hero-copy h1{font-size:78px;letter-spacing:-4.1px}.home-hero{gap:25px;min-height:520px}.hero-object{height:385px}.featured-note{gap:34px}.featured-copy h3{font-size:30px}.article-layout{grid-template-columns:minmax(0,720px);gap:24px}.article-aside{position:static}.article-toc{margin:0;padding:3px 17px;border:1px solid #e0e4eb;border-radius:5px;background:#fafbfc}.article-toc summary{font-size:14px}.article-toc a{font-size:14px;padding-block:6px}.note-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-copy{gap:15px}.about-strip{gap:34px}}
@media(max-width:760px){
.container{width:calc(100% - 40px)}.header-inner{height:68px;gap:12px}.brand-name{font-size:32px;letter-spacing:-1.8px}.brand-tag,.desktop-nav{display:none}.header-actions{padding:0;gap:0}.mobile-menu-toggle{display:grid}.write-link{font-size:12px;padding:9px;margin-left:4px}.write-link .bg-icon{display:none}.home-hero{grid-template-columns:1fr;gap:12px;min-height:0;padding-block:30px 20px}.hero-copy>.eyebrow{font-size:13px}.hero-copy h1{font-size:48px;line-height:1.13;letter-spacing:-2.7px;margin:17px 0 18px}.hero-description{font-size:16px;line-height:1.85;margin-bottom:20px}.hero-buttons{gap:16px}.hero-buttons .button{font-size:15px;min-height:48px;padding:12px 17px}.hero-buttons .button-text{padding-inline:3px}.hero-object{height:190px;width:100%;margin-top:5px}.hero-sculpture img{width:auto;height:auto;max-width:100%;max-height:190px}.topics-section{padding-block:8px}.topic-list{grid-template-columns:1fr;gap:8px}.topic-item{min-height:69px;padding:0;gap:13px}.topic-icon{width:57px;height:57px}.topic-icon img{max-width:57px;max-height:57px}.topic-copy{flex-direction:column;align-items:flex-start;gap:0}.topic-copy strong{font-size:16px}.topic-copy>span{font-size:12px}.topic-arrow{width:18px;height:18px}.section-heading{margin-bottom:19px}.section-heading h2{font-size:25px;letter-spacing:-.7px}.section-heading .text-link{font-size:12px}.home-notes{padding-block:27px 28px}.featured-note{grid-template-columns:1fr;gap:18px}.featured-visual .post-cover{aspect-ratio:1.75}.post-cover.default-asset{padding:15px}.featured-visual .default-asset img{max-height:170px}.featured-copy{padding:0}.featured-copy h3{font-size:25px;line-height:1.5;font-weight:700;letter-spacing:-.85px;margin:13px 0 12px}.featured-copy>p{font-size:16px;line-height:1.85}.note-meta{font-size:12px;gap:12px}.category-label{font-size:12px}.note-bottom{margin-top:17px;padding-top:7px}.reading-time{font-size:12px}.note-bottom .text-link{font-size:13px}.about-strip{grid-template-columns:1fr;gap:15px;padding-block:26px 28px;margin-bottom:0}.about-strip-copy .eyebrow{font-size:12px}.about-strip-copy h2{font-size:25px;line-height:1.5;letter-spacing:-.7px;margin-top:9px}.about-strip-detail p{font-size:15px;line-height:1.85;margin-bottom:6px}.about-strip-detail .text-link{font-size:13px}.site-footer{padding-block:20px}.footer-inner{gap:10px}.footer-inner>div{width:100%;gap:14px}.footer-brand{font-size:21px}.footer-tagline{font-size:10px}.footer-inner nav{gap:18px}.footer-inner nav a{font-size:11px}.copyright{font-size:8px;margin-left:auto}.search-dialog{padding:20px}.search-dialog h2{font-size:21px}.search-field{gap:8px}.search-field .button{padding-inline:16px}.archive-main{padding-block:33px 44px}.archive-header h1,.page-header h1{font-size:30px;letter-spacing:-1.1px;margin:12px 0}.archive-header p{font-size:17px}.category-filters{margin:22px 0 25px;gap:7px}.category-filters a{font-size:13px;padding:10px 13px}.note-grid{grid-template-columns:1fr;gap:24px;margin-top:23px}.note-card .post-cover{aspect-ratio:1.75}.note-card .default-asset img{max-height:170px}.note-card-copy{padding:19px 0}.note-card-copy h2{font-size:24px}.note-card-copy>p{font-size:16px}.page-main{padding-block:33px 46px}.page-header{padding-bottom:16px;margin-bottom:26px}.empty-state h2,.empty-state h3{font-size:23px}.error-main{padding-block:65px 77px}.error-main h1{font-size:28px}.single-main{padding-bottom:42px}.article-header{padding-top:21px}.article-back{font-size:13px;margin-bottom:17px}.article-header h1{font-size:30px;line-height:1.45;letter-spacing:-1.15px;margin:14px 0 15px}.article-deck{font-size:17px;line-height:1.8;margin-bottom:20px}.article-byline{font-size:12px;gap:7px;padding-bottom:22px}.article-layout{width:calc(100% - 40px);padding-top:22px;gap:24px}.article-toc{padding:3px 15px}.article-toc a{font-size:14px}.article-toc ol{margin-top:8px}.article-featured{margin-top:22px}.article-featured img{max-height:70svh;border-radius:3px}.article-featured figcaption{font-size:13px}.article-footer{margin-top:33px;padding-top:22px}.article-author{padding:19px;gap:13px}.author-avatar.large{width:40px;height:40px;font-size:17px}.article-author p{font-size:13px}.article-end-actions{gap:8px;margin-top:20px}.article-end-actions .button{font-size:13px;padding-inline:12px}.article-tags{margin-bottom:21px}
}
@media(max-width:370px){.hero-copy h1{font-size:45px;letter-spacing:-2.5px}.hero-description{font-size:16px}.hero-buttons{gap:11px}.hero-buttons .button{padding-inline:14px}.featured-copy h3{font-size:24px}.footer-inner nav{gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;animation-iteration-count:1!important}}
.post-cover.default-asset{background:transparent;height:340px;aspect-ratio:auto;padding:16px}.post-cover.default-asset img{width:100%;height:100%;object-fit:contain;max-height:100%}
@media(max-width:760px){.featured-visual .post-cover.default-asset,.note-card .post-cover.default-asset{height:185px;aspect-ratio:auto;padding:10px}.featured-visual .default-asset img,.note-card .default-asset img{max-height:100%;width:100%;height:100%}}
.home-more-notes{list-style:none;padding:0;margin:28px 0 0;border-top:1px solid #e0e3e8}.home-more-notes li{border-bottom:1px solid #e0e3e8}.home-more-notes a{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;padding:15px 0}.home-more-notes strong{font-size:18px;font-weight:560;line-height:1.7}.home-more-notes a:hover{color:#2455ff}.home-more-notes .bg-icon{width:20px;height:20px}