@import url('./tokens.css');
@font-face{font-family:Outfit;src:url('./fonts/Outfit-Variable.ttf') format('truetype');font-style:normal;font-weight:100 900;font-display:swap}
@font-face{font-family:Pretendard;src:url('./fonts/PretendardVariable.woff2') format('woff2');font-style:normal;font-weight:100 900;font-display:swap}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--canvas);color:var(--ink);font-family:var(--font-body);font-size:var(--text-body);line-height:1.65;letter-spacing:-.025em}
button,input,select{font:inherit;color:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:default}button{border:0;background:none;padding:0}button:hover,a:hover{color:#000}p,h1,h2,h3,figure{margin:0}h1,h2,h3{font-weight:550;line-height:1.25;letter-spacing:-.045em}svg{display:block}img{display:block;max-width:100%}.shell{width:min(var(--container),calc(100% - var(--gutter)*2));margin-inline:auto}
.icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;flex:none}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip{position:fixed;top:-60px;left:24px;background:var(--ink);color:white;z-index:10;padding:12px 20px}.skip:focus{top:10px}:focus-visible{outline:2px solid var(--ink);outline-offset:5px}main:focus{outline:none}.site-header{height:88px;display:flex;align-items:center;justify-content:space-between}.brand img{width:160px;height:auto}.site-header nav{display:flex;gap:28px;font-size:13px;align-items:center}.site-header nav a{padding:12px 0;color:var(--muted)}.site-header nav [aria-current]{color:var(--ink)}.site-header nav [aria-current]:after{content:'';display:block;height:1px;background:currentColor}.brand-line{display:none}
.hero{text-align:center;padding:48px 0 32px}.section-label{font-size:13px;font-weight:500;letter-spacing:-.01em;color:var(--muted);margin-bottom:16px}.hero h1{font-size:var(--text-hero);font-weight:600;letter-spacing:-.055em}.hero-description{font-size:17px;color:var(--muted);line-height:1.7;margin-top:20px}.mobile-only{display:none}.discovery{max-width:680px;margin:0 auto 48px}.search-box{height:64px;border-radius:var(--radius-control);background:var(--surface);display:flex;align-items:center;gap:16px;padding:0 24px}.search-box .icon{width:22px;height:22px}.search-box input{min-width:0;flex:1;border:0;outline:0;background:transparent;font-size:18px;letter-spacing:-.025em}.search-box input::placeholder{color:#777980}.search-box:focus-within{outline:2px solid var(--ink);outline-offset:4px}.keycap{font-size:14px;color:#787a80;padding:0 7px;border:1px solid #d3d4cf;border-radius:4px;line-height:24px}
.catalog-nav{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.filters{display:flex;gap:28px;min-width:0;overflow:auto;scrollbar-width:none}.filters::-webkit-scrollbar{display:none}.filter{font-size:14px;white-space:nowrap;color:var(--muted);height:52px;position:relative;flex:none}.filter[aria-pressed=true]{color:var(--ink);font-weight:600}.filter[aria-pressed=true]:after{content:'';position:absolute;bottom:-1px;height:2px;background:var(--ink);left:0;right:0}.saved-filter{display:flex;align-items:center;gap:6px;font-size:13px;min-height:44px;flex:none;color:var(--muted)}.saved-filter[aria-pressed=true]{color:var(--ink);font-weight:600}.saved-filter .icon{width:17px;height:17px}.saved-filter[aria-pressed=true] svg{fill:var(--ink)}#saved-count{font-family:var(--font-display);font-size:13px}
.list-tools{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px;margin:20px 0 28px;gap:16px}.list-tools>div{display:flex;align-items:center;gap:24px}.motion-filter{display:flex;align-items:center;gap:7px;cursor:pointer;min-height:32px}.motion-filter input{accent-color:var(--ink);width:14px;height:14px}.list-tools select{border:0;background:none;font-size:13px;padding:8px 0;max-width:160px}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px 24px}.term-card{min-width:0}.card-art{display:block;border-radius:var(--radius-media);overflow:hidden;aspect-ratio:1.55;background:var(--figure-plate);isolation:isolate}.card-art svg,.card-art canvas{width:100%;height:100%;display:block;object-fit:cover;transition:opacity .2s ease}.term-card:hover .card-art>*{opacity:.92}.card-copy{padding:20px 0 0}.card-category{font-size:13px;color:var(--muted);margin-bottom:10px}.card-title-row{display:flex;align-items:flex-start;gap:8px;justify-content:space-between}.card-link{min-width:0}.card-link h3{font-family:var(--font-display);font-size:var(--text-card);line-height:1.17;letter-spacing:-.02em;font-weight:500}.card-ko{font-size:15px;margin-top:6px;line-height:1.4;color:var(--muted)}.card-save{width:44px;height:44px;display:grid;place-items:center;flex:none;margin-top:-8px;margin-right:-10px;color:#85877f}.card-save .icon{width:18px;height:18px}.card-save[aria-pressed=true]{color:var(--ink)}.card-save[aria-pressed=true] svg{fill:var(--ink)}.card-summary{font-size:15px;color:var(--muted);line-height:1.65;margin-top:12px;max-width:98%;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.study{grid-column:1/-1;display:grid;grid-template-columns:1fr 2fr;gap:48px;padding:48px 0;margin:8px 0;border-block:1px solid var(--line)}.study h2{font-size:32px;font-weight:500;line-height:1.35}.study-copy>p:not(.section-label){color:var(--muted);font-size:15px;margin-top:20px;line-height:1.8}.text-link{display:inline-flex;gap:12px;align-items:center;font-size:14px;font-weight:500;min-height:44px;margin-top:20px}.text-link .icon{width:16px;height:16px}.text-link:hover{text-decoration:underline;text-underline-offset:6px}.study-scenes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;align-content:center}.study-scenes canvas{display:block;width:100%;aspect-ratio:1;height:auto;border-radius:0}.study-scenes span{font-family:var(--font-display);font-size:18px;display:block;margin-top:12px}.study-scenes small{display:block;font-size:12px;letter-spacing:-.02em;color:var(--muted);margin-top:4px}
.bridge{margin-top:96px;padding:64px 0;display:grid;grid-template-columns:1fr 1fr;gap:64px;border-top:1px solid var(--line)}.bridge h2{font-size:36px;line-height:1.35}.bridge p{font-size:17px;color:var(--muted);line-height:1.9}.site-footer{display:flex;justify-content:space-between;align-items:flex-start;border-top:1px solid var(--line);padding:48px 0 56px;gap:24px}.site-footer img{width:136px}.site-footer p{color:var(--muted);font-size:13px;margin-top:12px}.site-footer>div:last-child{font-size:13px;text-align:right}.site-footer a{display:inline-block;margin-top:12px}.site-footer small{display:block;color:#777a74;font-size:12px;margin-top:24px}#toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,10px);background:var(--ink);color:white;font-size:14px;border-radius:24px;padding:10px 20px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:20;white-space:nowrap}#toast.show{opacity:1;transform:translate(-50%,0)}
.empty{grid-column:1/-1;text-align:center;padding:80px 24px}.empty h3{font-size:24px}.empty p{color:var(--muted);margin:16px 0}.empty button{padding:12px 20px;border:1px solid var(--line);border-radius:24px}
.breadcrumb{display:flex;align-items:center;gap:24px;font-size:13px;color:var(--muted);padding-top:44px}.detail-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:40px}.detail-heading h1{font-family:var(--font-display);font-size:var(--text-detail);font-weight:500;letter-spacing:-.04em;line-height:1.1}.detail-heading .section-label{margin-bottom:16px}.detail-ko{font-size:24px;margin-top:14px;color:var(--muted);line-height:1.4}.detail-save{display:flex;align-items:center;gap:8px;font-size:14px;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:24px;white-space:nowrap}.detail-save[aria-pressed=true] svg{fill:var(--ink)}.detail-summary{font-size:20px;line-height:1.7;max-width:720px;margin:28px 0 40px;letter-spacing:-.035em}.detail-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px;align-items:start}.demo-panel{min-width:0}.demo-note{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.6}.definition{padding-top:4px}.fact+ .fact{margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}.fact h3{font-size:16px;font-weight:600;letter-spacing:-.025em;margin-bottom:12px}.fact p{font-size:16px;color:var(--muted);line-height:1.8;word-break:keep-all}.detail-body{margin-top:72px}.detail-section{padding-top:48px;border-top:1px solid var(--line);margin-top:56px}.detail-section>h2{font-size:var(--text-section);font-weight:500;line-height:1.35}.section-intro{font-size:16px;color:var(--muted);margin-top:16px}.compare-actions{display:flex;gap:12px;margin:24px 0}.primary,.secondary{min-height:44px;padding:10px 20px;display:inline-flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:24px;font-size:14px}.primary{background:var(--ink);color:white;border-color:var(--ink)}.primary:hover{color:white;background:#000}.secondary{background:transparent}.compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.compare-item{min-width:0}.compare-item>h3{font-family:var(--font-display);font-size:24px;font-weight:500;letter-spacing:-.02em}.compare-item>p{font-size:13px;color:var(--muted);margin:8px 0 16px}.compare-intro-mobile{display:none}.comparison-table{border-collapse:collapse;width:100%;margin-top:32px;font-size:14px;text-align:left}.comparison-table th,.comparison-table td{padding:16px;border-bottom:1px solid var(--line);font-weight:400}.comparison-table th{color:var(--muted)}.comparison-table thead{background:var(--surface)}.comparison-table thead th{color:var(--ink)}.practical{display:grid;grid-template-columns:1fr 1fr;gap:64px;margin-top:32px}.practical h3{font-size:16px;font-weight:600;margin-bottom:12px}.practical p{font-size:16px;color:var(--muted);line-height:1.85}.insight-link{display:flex;align-items:center;justify-content:space-between;padding:32px 0;border-block:1px solid var(--line);margin-top:40px}.insight-link .section-label{margin-bottom:10px}.insight-link h3{font-size:24px;font-weight:500}.insight-link p:last-child{font-size:13px;color:var(--muted);margin-top:12px}.insight-link>span{font-size:28px}.related-links{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;margin-top:24px}.related-links a{font-size:16px;padding:20px 0;border-bottom:1px solid var(--line)}.sources{font-size:14px;color:var(--muted)}.sources summary{cursor:pointer;min-height:44px}.sources p{max-width:760px;margin:16px 0;line-height:1.8}.sources a{text-decoration:underline;text-underline-offset:4px}.back-row{display:flex;justify-content:space-between;gap:20px;align-items:center}.detail-end{padding:48px 0 64px;font-size:14px}.detail-end span{font-family:var(--font-display);color:var(--muted)}
.static-demo{width:100%;aspect-ratio:1.55;border-radius:var(--radius-media);overflow:hidden;background:var(--figure-plate);display:flex;align-items:center;justify-content:center}.static-demo>svg{width:100%;height:100%}.space-outer{padding:24px;background:#d7e0d6;min-width:60%;position:relative;border-radius:12px}.space-tag{position:absolute;font-size:10px;top:4px;left:12px;color:#536850;letter-spacing:.06em}.space-content{padding:20px 28px;background:white;border:1px solid #b4c0b3;border-radius:6px;font-size:15px;color:#4d5f50}.space-content i{display:block;height:6px;width:100%;border-radius:3px;background:#d7ded6;margin-top:12px}.space-content i:last-child{width:70%}.margin-demo{width:60%;background:#dfe5dc;padding:16px}.gap-demo{display:flex;gap:24px;padding:20px;background:#dce3d9;border-radius:12px}.gap-demo i{width:72px;height:100px;display:block;background:white;border:1px solid #b7c5b4;border-radius:8px}.spacing-controls{display:flex;align-items:center;gap:16px;margin-top:20px;font-size:14px}.spacing-controls input{flex:1;min-width:0;accent-color:var(--ink)}.spacing-controls output{font-family:var(--font-display);min-width:40px}
@media(max-width:1000px){.filters{gap:20px}.detail-layout{gap:32px;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr)}.cards{gap:40px 20px}.study{gap:32px}.compare-grid{gap:16px}.compare-item>p{font-size:12px}.card-summary{font-size:14px}}
@media(max-width:760px){.site-header{height:76px}.brand img{width:132px}.site-header nav{gap:18px;font-size:12px}.hero{text-align:left;padding:32px 0 24px}.hero .section-label{font-size:12px;margin-bottom:12px}.hero h1{line-height:1.2}.hero-description{font-size:15px;line-height:1.7;margin-top:16px}.mobile-only{display:block}.discovery{margin-bottom:28px}.search-box{height:58px;padding:0 20px;gap:12px;border-radius:28px}.search-box input{font-size:16px}.search-box .icon{width:20px;height:20px}.keycap{display:none}.catalog-nav{gap:16px;align-items:flex-start;position:relative;padding-right:58px}.filters{gap:20px;margin-right:-2px}.filter{height:48px;font-size:14px}.saved-filter{position:absolute;right:0;top:2px;gap:4px}.saved-filter>span:not(#saved-count){display:none}.list-tools{margin:14px 0 20px;font-size:12px;gap:8px}.list-tools>div{gap:12px}.list-tools select{font-size:12px;max-width:104px}.motion-filter{gap:4px;white-space:nowrap}.cards{display:flex;flex-direction:column;gap:24px}.term-card{display:grid;grid-template-columns:108px minmax(0,1fr);gap:18px;align-items:start}.card-art{aspect-ratio:1;border-radius:0;height:108px}.card-art svg{width:auto;max-width:none;height:100%;margin-left:50%;transform:translateX(-50%)}.term-card:hover .card-art svg{transform:translateX(-50%)}.card-copy{padding:0}.card-category{font-size:12px;margin-bottom:8px;line-height:1.3}.card-link h3{font-size:22px;line-height:1.1}.card-ko{font-size:13px;line-height:1.4;margin-top:5px}.card-save{margin-top:-9px;margin-right:-10px;width:44px;height:44px}.card-save .icon{width:16px;height:16px}.card-summary{font-size:13px;line-height:1.55;margin-top:10px;max-width:100%}.study{display:block;padding:32px 0;margin:12px 0}.study h2{font-size:28px}.study h2 br{display:none}.study-copy>p:not(.section-label){font-size:14px;margin-top:16px}.study-scenes{gap:8px;margin-top:24px}.study-scenes canvas{border-radius:8px}.study-scenes span{font-size:16px;margin-top:8px}.study-scenes small{font-size:11px;line-height:1.5;letter-spacing:-.03em}.study .text-link{margin-top:12px}.bridge{margin-top:48px;padding:40px 0;display:block}.bridge h2{font-size:28px}.bridge h2 br{display:none}.bridge p{font-size:15px;margin-top:20px;line-height:1.8}.site-footer{padding:32px 0 40px;display:block}.site-footer>div:last-child{text-align:left;margin-top:24px}.site-footer p{font-size:12px}.site-footer small{font-size:11px}.breadcrumb{padding-top:28px;font-size:12px;justify-content:space-between;gap:12px}.detail-heading{margin-top:28px;gap:8px;align-items:start}.detail-heading .section-label{font-size:12px;margin-bottom:12px}.detail-ko{font-size:20px;margin-top:10px}.detail-save{padding:0;width:44px;display:grid;place-items:center;flex:none;margin-top:30px}.detail-save span{display:none}.detail-summary{font-size:17px;line-height:1.7;margin:24px 0 28px}.detail-layout{display:flex;flex-direction:column;gap:32px}.demo-panel,.definition{width:100%}.fact p{font-size:15px;line-height:1.8}.fact+ .fact{margin-top:24px;padding-top:20px}.detail-body{margin-top:40px}.detail-section{padding-top:32px;margin-top:36px}.section-intro{font-size:15px}.compare-actions{display:none}.compare-intro-mobile{display:block;font-size:13px;color:var(--muted);margin:16px 0 24px}.compare-grid{display:flex;flex-direction:column;gap:32px}.compare-item>h3{font-size:24px}.compare-item>p{font-size:13px}.comparison-table{font-size:11px;letter-spacing:-.04em}.comparison-table th,.comparison-table td{padding:12px 4px;word-break:keep-all}.practical{display:block;margin-top:24px}.practical>div+div{margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}.practical p{font-size:15px}.insight-link{padding:24px 0;margin-top:32px;gap:16px}.insight-link h3{font-size:20px;line-height:1.4}.related-links{display:block}.related-links a{display:block;font-size:14px}.sources{font-size:13px}.detail-end{padding:32px 0 40px;font-size:13px}.detail-end span{display:none}.gap-demo{gap:16px;padding:16px}.gap-demo i{width:48px;height:80px}.space-content{padding:16px;font-size:13px}.space-outer{min-width:68%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Hairline-derived visual language: white plates and readable line hierarchy. */
.card-art{border-bottom:1px solid #efefed}.card-art:has(.line-figure){border-bottom:0}.line-figure{width:100%;height:100%;display:block}.card-art .line-figure svg{width:100%;height:100%;transform:none;margin:0}.card-art .line-figure svg *{vector-effect:non-scaling-stroke}.term-card:hover .card-art .line-figure{opacity:1}.static-demo:has(.line-figure){background:#fff}.line-figure svg{overflow:visible}

.card-art>svg,.static-demo>svg{filter:grayscale(1)}
.space-outer,.margin-demo,.gap-demo{background:#f5f5f3}.space-content,.gap-demo i{border-color:#a4a4ac;color:#61636a}.space-content i{background:#e0e0e4}.space-tag{color:#61636a}

@media(min-width:761px){.breadcrumb{padding-top:28px}.detail-heading{margin-top:24px}.detail-heading h1{font-size:var(--text-detail)}.detail-heading .section-label{margin-bottom:12px}.detail-ko{font-size:22px;margin-top:10px}.detail-summary{font-size:18px;margin:20px 0 28px;line-height:1.7}}

.card-art>[data-line-figure]{margin:0!important;transform:none!important;width:100%;height:100%;filter:none;object-fit:contain}.term-card .figure-caption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* Keep Korean words together so a single syllable cannot become the last line. */
.card-summary{word-break:keep-all;overflow-wrap:break-word;text-wrap:pretty}

/* Shared editorial Hero: latest read-only Insights hub metrics; no glossary glow. */
.brand-hero{padding:72px 0 64px;text-align:center}
.brand-hero .brand-hero-eyebrow{display:block;color:var(--muted);font:500 11px/1.5 var(--font-display);letter-spacing:.12em;margin:0}
.brand-hero>h1{font-family:var(--font-display);font-size:56px;font-weight:600;line-height:1.2;letter-spacing:-.045em;white-space:nowrap;word-break:keep-all;overflow-wrap:break-word;text-wrap:balance;max-width:100%;margin:20px auto 0}
.brand-hero>h1>span{display:inline}.brand-hero .hero-description{font-size:16px;line-height:1.8;max-width:720px;margin:24px auto 0;word-break:keep-all;color:var(--muted)}
.brand-hero .hero-note{font-size:12px;line-height:1.7;color:var(--muted);margin:12px auto 0;word-break:keep-all}
@media(min-width:761px) and (max-width:1100px){.brand-hero>h1{font-size:clamp(32px,4.4vw,48px)}}
@media(max-width:760px){.brand-hero{padding:48px 0 40px}.brand-hero>h1{font-size:clamp(30px,8.8vw,40px);white-space:normal;line-height:1.3;margin:16px auto 0}.brand-hero .brand-hero-eyebrow{font-size:10px;margin:0}.brand-hero .hero-description{font-size:15px;margin-top:20px}.brand-hero .hero-note{font-size:11px}}