:root{--ink:#16263d;--muted:#56647a;--line:#ccd3df;--paper:#f7f9fc;--white:#fff;--accent:#dce96f;--blue:#284fbc;--soft:#edf1f7;--serif:Georgia,'Noto Serif CJK KR',serif;--sans:Arial,'Noto Sans CJK KR','Apple SD Gothic Neo',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit}button:focus-visible,a:focus-visible{outline:3px solid var(--blue);outline-offset:5px}::selection{background:var(--accent);color:var(--ink)}.skip{position:fixed;left:16px;top:-100px;background:var(--ink);color:white;padding:12px 20px;z-index:20}.skip:focus{top:10px}.site-header{background:rgba(247,249,252,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.header-inner{max-width:1352px;padding:20px 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p{margin:0;color:var(--muted);font-size:14px;line-height:1.65;max-width:945px}.content-section{padding:68px 0 0}.section-heading{display:flex;justify-content:space-between;gap:40px;align-items:baseline;margin-bottom:28px}.section-title{display:flex;gap:21px;align-items:baseline;flex-shrink:0}.section-num{font-size:13px;color:var(--blue);font-family:monospace}.section-heading h2{font-family:var(--serif);font-size:36px;line-height:1.25;font-weight:400;letter-spacing:-.04em;margin:0}.section-heading>p{font-size:14px;color:var(--muted);max-width:425px;margin:0}.project-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.project-card{padding:32px 33px 26px;border:1px solid var(--line);background:var(--white);display:flex;flex-direction:column}.project-kicker{font-size:11px;letter-spacing:.12em;font-weight:700;color:var(--blue);margin-bottom:17px}.project-card h3{font-size:26px;line-height:1.25;letter-spacing:-.03em;margin:0 0 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h3{font-family:var(--serif);font-size:28px;font-weight:400;letter-spacing:-.02em;line-height:1.3;margin:0 0 24px}.featured-result h3{font-size:34px;margin-bottom:16px}.result-summary{font-size:16px;color:#d0d9e6;line-height:1.7;margin:0;max-width:480px}.metric-row{display:flex;gap:45px;margin-top:35px}.metric-row div{display:flex;flex-direction:column;gap:10px}.metric-row strong{font-family:var(--serif);font-weight:400;font-size:43px;line-height:1;letter-spacing:-.025em;color:var(--accent)}.metric-row span{font-size:12px;color:#c5cedc;line-height:1.5;max-width:160px}.facts{margin:0}.fact{margin:0;padding:13px 0;border-bottom:1px solid var(--line)}.fact:first-child{padding-top:0}.fact:last-child{border-bottom:0;padding-bottom:0}.fact dt{font-size:11px;letter-spacing:.05em;text-transform:uppercase;font-weight:700;color:var(--blue);margin-bottom:5px}.fact dd{font-size:14px;line-height:1.65;margin:0;color:var(--muted)}.featured-result .fact{border-color:#405068}.featured-result .fact dt{color:#eef3fc}.featured-result .fact dd{color:#c9d3e3}.secondary-results{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:22px}.evidence-grid{display:grid;grid-template-columns:.85fr 1.35fr;gap:75px;border-top:2px solid var(--ink);padding-top:31px}.large-copy{font-family:var(--serif);font-size:32px;font-weight:400;letter-spacing:-.035em;line-height:1.28;margin:0 0 20px}.evidence-intro>p:not(.large-copy){font-size:15px;line-height:1.7;color:var(--muted);margin:0 0 27px}.evidence-key{display:flex;align-items:flex-start;gap:11px;font-size:12px;color:var(--muted);line-height:1.6}.empty-box{display:block;width:12px;height:12px;border:1px solid #8390a6;flex-shrink:0;margin-top:3px}.evidence-list{margin:0;padding:0;list-style:none}.evidence-list li{display:grid;grid-template-columns:23px 1fr auto;gap:17px;border-bottom:1px solid var(--line);padding:18px 0;align-items:start}.evidence-list li:first-child{padding-top:0}.evidence-number{font:12px monospace;color:var(--muted);margin-top:4px}.evidence-list h3{font-size:16px;line-height:1.4;margin:0 0 4px}.evidence-list p{font-size:13px;color:var(--muted);line-height:1.5;margin:0}.evidence-state{font-size:12px;color:var(--muted);border:1px solid var(--line);padding:2px 8px;white-space:nowrap}.limits-section{padding-bottom:64px}.limits-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 43px;border-top:1px solid var(--line)}.limit-item{display:flex;gap:19px;border-bottom:1px solid var(--line);padding:26px 0}.limit-mark{font:12px monospace;color:var(--blue);padding-top:5px}.limit-item h3{font-size:17px;line-height:1.5;margin:0 0 10px}.limit-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.7}footer{border-top:3px solid var(--ink);padding:26px 0 34px;display:grid;grid-template-columns:1fr 1.2fr auto;gap:40px;align-items:start}.footer-brand{font-size:15px;font-weight:700;line-height:1.4}.footer-brand>span{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:7px}footer p{font-size:12px;color:var(--muted);margin:0;line-height:1.7;max-width:430px}footer>a{font-size:13px;text-decoration:underline;text-underline-offset:5px;white-space:nowrap}html[lang=ko] h1{letter-spacing:-.06em;font-size:clamp(3rem,5vw,4.75rem);line-height:1.25}html[lang=ko] .project-card h3{word-break:keep-all}html[lang=ko] p,html[lang=ko] dd,html[lang=ko] h2,html[lang=ko] h3{word-break:keep-all;overflow-wrap:anywhere}html[lang=ko] .section-heading h2{font-size:31px}html[lang=ko] .result-card h3{font-family:var(--sans);font-size:25px;font-weight:600}html[lang=ko] .large-copy{font-family:var(--sans);font-size:27px;font-weight:500;line-height:1.5}
@media(min-width:1450px){.hero-grid{padding-top:55px;padding-bottom:65px}.hero{padding-top:65px}}
@media(max-width:1050px){.page{padding:0 36px}.header-inner{padding:16px 36px;gap:25px}.site-header nav{gap:17px}.site-header nav a{font-size:13px}.nav-no{display:none}.hero-grid{gap:38px;grid-template-columns:1.3fr 1fr}h1{font-size:61px}.hero-description{font-size:18px}.project-card{padding:26px}.featured-grid{gap:35px}.metric-row{gap:30px}.metric-row strong{font-size:36px}.evidence-grid{gap:42px}.section-heading{gap:30px}.section-heading>p{max-width:340px}}
@media(max-width:780px){html{scroll-padding-top:132px}.header-inner{padding:14px 24px 10px;display:grid;grid-template-columns:1fr auto;gap:9px 20px}.brand{font-size:13px}.brand-icon{font-size:28px}.language{grid-column:2;grid-row:1}.site-header nav{grid-column:1/-1;grid-row:2;justify-content:space-between;gap:16px;margin:0;border-top:1px solid var(--line);padding-top:5px}.site-header nav a{font-size:12px;padding:4px 0}.page{padding:0 24px}.hero{padding-top:33px}.eyebrow{font-size:10px;letter-spacing:.08em;gap:11px}.hairline{width:20px}.hero-grid{grid-template-columns:1fr;padding:32px 0;gap:34px}h1{font-size:clamp(3.1rem,10vw,4.2rem);margin-bottom:25px}.hero-description{font-size:18px;max-width:540px}.principle-label{font-size:10px}.research-index{margin:0;display:grid;grid-template-columns:1fr 1fr;column-gap:24px;border-top-width:2px}.index-heading{grid-column:1/-1;margin:15px 0 0;font-size:10px}.index-item{gap:13px;padding:19px 0}.index-number{font-size:27px}.index-item h2{font-size:16px}.index-item p{font-size:12px}.index-footer{grid-column:1/-1;padding:14px 0;font-size:12px}.disclosure{grid-template-columns:1fr;gap:8px;padding:18px 0}.disclosure p{font-size:13px}.note-label{font-size:10px}.content-section{padding-top:43px}.section-heading{display:block;margin-bottom:20px}.section-heading h2{font-size:32px}.section-title{gap:15px;margin-bottom:10px}.section-heading>p{max-width:100%;font-size:13px;margin-left:33px}.project-grid{grid-template-columns:1fr;gap:16px}.project-card{padding:26px}.project-card h3{font-size:25px;max-width:100%}.project-card>p:not(.card-note){font-size:15px;margin-bottom:24px}.project-kicker{font-size:10px}.method{margin-top:3px}.prototype{padding:19px 0}.prototype>span:last-child{max-width:none}.results-note{align-items:flex-start;gap:10px;flex-direction:column;margin-bottom:17px}.badge{font-size:10px}.results-note p{font-size:12px}.result-card{padding:24px}.featured-grid{grid-template-columns:1fr;gap:30px}.featured-result h3{font-size:31px}.result-summary{font-size:15px}.metric-row{margin-top:26px;gap:40px}.metric-row strong{font-size:37px}.metric-row span{font-size:12px}.secondary-results{grid-template-columns:1fr;gap:16px;margin-top:16px}.result-card h3{font-size:27px}.fact dd{font-size:14px}.featured-grid .facts{border-top:1px solid #405068;padding-top:23px}.evidence-grid{grid-template-columns:1fr;gap:30px;padding-top:24px}.large-copy{font-size:30px;max-width:480px}.evidence-intro>p:not(.large-copy){font-size:14px}.evidence-list li{gap:12px;padding:17px 0;grid-template-columns:20px 1fr auto}.evidence-list h3{font-size:15px}.evidence-list p{font-size:12px}.evidence-state{font-size:11px;padding:2px 6px}.limits-grid{grid-template-columns:1fr}.limit-item{padding:22px 0}.limit-item h3{font-size:16px}.limit-item p{font-size:14px}.limits-section{padding-bottom:42px}footer{grid-template-columns:1fr auto;gap:18px}footer p{grid-column:1/-1;grid-row:2}footer>a{grid-column:2;grid-row:1}html[lang=ko] h1{font-size:clamp(2.9rem,10vw,4.2rem)}html[lang=ko] .section-heading h2{font-size:29px}html[lang=ko] .result-card h3{font-size:23px}html[lang=ko] .large-copy{font-size:25px}}
@media(max-width:380px){.page{padding:0 18px}.header-inner{padding-left:18px;padding-right:18px}.research-index{grid-template-columns:1fr}.index-heading,.index-footer{grid-column:1}.index-item{padding:16px 0}.metric-row{gap:20px}.metric-row strong{font-size:32px}.result-card,.project-card{padding:20px}.evidence-list li{grid-template-columns:18px 1fr}.evidence-state{grid-column:2;justify-self:start}.eyebrow{font-size:9px}.site-header nav{gap:8px}.site-header nav a{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.site-header{position:static}.language{display:none}.page{padding:0 20px}.content-section{padding-top:30px}.hero-grid{padding:25px 0}.project-card,.result-card,.limit-item{break-inside:avoid}.featured-result{background:white;color:var(--ink)}.featured-result .fact dd,.featured-result .fact dt,.result-summary,.metric-row span{color:var(--ink)}.metric-row strong{color:var(--ink)}footer{margin-top:25px}}
/* A World shares the same research-record language. */
.world-project{grid-column:1/-1;display:grid;grid-template-columns:1.15fr 1fr;gap:55px;background:#edf1f7;border-top:3px solid var(--blue)}.world-intro h3{max-width:440px}.world-intro>p:not(.card-note){font-size:16px;line-height:1.7;color:var(--muted);margin:0 0 22px}.world-status-title{font-size:11px;letter-spacing:.1em;font-weight:700;color:var(--blue);margin:0 0 17px}.world-status .text-link{margin-top:20px}.world-result{margin-top:22px;border-top:3px solid var(--blue)}.world-result-intro{font-size:16px;color:var(--muted);line-height:1.7;margin:0 0 20px}.world-records{margin-top:36px;padding-top:26px;border-top:1px solid var(--line);scroll-margin-top:110px}.records-heading h3{font-family:var(--serif);font-size:25px;font-weight:400;margin:0 0 6px;letter-spacing:-.02em}.records-heading>p{font-size:12px;color:var(--muted);margin:0 0 20px}.records-links{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.record-link{display:flex;flex-direction:column;padding:21px;background:white;border:1px solid var(--line)}.record-link:hover{border-color:var(--blue);background:#f0f4fd}.record-link h4{font-size:16px;line-height:1.4;margin:0 0 9px;color:var(--blue)}.record-link p{font-size:13px;line-height:1.6;margin:0 0 15px;color:var(--muted)}.repository-access{font-size:11px;line-height:1.5;text-decoration:underline;text-underline-offset:3px;margin-top:auto}html[lang=ko] .records-heading h3{font-family:var(--sans);font-size:22px;font-weight:500}
@media(max-width:1050px){.world-project{gap:30px}}
@media(max-width:780px){.research-index .index-item:nth-of-type(3){grid-column:1/-1}.world-project{display:block}.world-status{margin-top:28px;padding-top:23px;border-top:1px solid var(--line)}.world-intro>p:not(.card-note){font-size:15px}.records-links{grid-template-columns:1fr}.record-link{padding:20px}.record-link p{font-size:13px}.records-heading h3{font-size:24px}.world-result{margin-top:16px}.world-result .featured-grid .facts{border-top-color:var(--line)}.world-result-intro{font-size:15px}.world-records{scroll-margin-top:132px}}