:root{--blue:#2459ed;--ink:#18243b;--muted:#58677c;--line:#dfe5ef;--light:#f4f7fc;--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;color:var(--ink);background:#fff;font-family:Pretendard,-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;font-size:16px;line-height:1.65;word-break:keep-all;overflow-wrap:break-word}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}a:focus-visible,summary:focus-visible{outline:3px solid #f19520;outline-offset:5px}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.3;letter-spacing:-.04em}h1{font-size:clamp(2.1rem,4.2vw,3.7rem);font-weight:800}h2{font-size:1.85rem}h3{font-size:1.3rem}.wrap{max-width:1200px;margin:auto;padding:0 32px}header{border-bottom:1px solid var(--line);background:#fff}.head{display:flex;align-items:center;justify-content:space-between;min-height:98px;gap:30px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:1.45rem;font-weight:800;letter-spacing:-.05em;white-space:nowrap}.brand-icon{width:40px;height:40px;display:grid;place-items:center;border-radius:11px;background:var(--blue);color:#fff;font-size:2rem;line-height:1}.brand-small{font-size:.65rem;letter-spacing:.15em;color:var(--muted);margin-left:6px}.head nav{display:flex;gap:34px;font-size:.95rem;font-weight:650;align-self:stretch;align-items:center}.head nav a{display:flex;align-items:center;min-height:44px;position:relative}.head nav a[aria-current]{color:var(--blue)}.head nav a[aria-current]:after{content:'';position:absolute;bottom:-26px;height:3px;left:0;right:0;background:var(--blue)}.hero{display:grid;grid-template-columns:1.35fr 1fr;gap:54px;padding:62px 0 48px;align-items:center}.eyebrow{font-size:.75rem;letter-spacing:.16em;font-weight:750;color:var(--blue);margin-bottom:17px}.hero h1 span{color:var(--blue)}.lead{color:var(--muted);font-size:1.06rem;line-height:1.85;margin-top:22px}.hero-actions{display:flex;align-items:center;gap:25px;margin-top:30px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 23px;border-radius:9px;background:var(--blue);color:white;font-weight:650;font-size:.95rem}.button:hover{background:#1544c7;color:#fff}.text-link{font-size:.9rem;font-weight:650;text-decoration:underline;text-underline-offset:5px}.index-note{background:#edf2ff;border-radius:20px;border:1px solid #d5dffc;padding:25px 28px 19px}.note-top{display:flex;justify-content:space-between;font-size:.72rem;letter-spacing:.13em;color:#425f9f;font-weight:700}.index-note h2{font-size:1.45rem;margin:21px 0 19px}.note-row{display:flex;align-items:center;gap:17px;border-top:1px solid #cbd7f2;padding:12px 0;font-weight:650;font-size:.98rem;min-height:51px}.note-num{font-family:monospace;font-size:.8rem;color:#6176a7}.note-row small{margin-left:auto;color:#6176a7;font-size:.8rem;font-weight:400}.index-note>p{margin-top:15px;font-size:.75rem;color:#526791}.info-strip{border-block:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;padding:16px 0;font-size:.85rem;color:var(--muted)}.info-strip strong{color:var(--ink);font-weight:600}.section{margin-top:56px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}.section-head .eyebrow{margin-bottom:9px}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.category-card{padding:24px 22px;border:1px solid var(--line);border-radius:var(--radius);position:relative;transition:transform .15s,border-color .15s}.category-card:hover{transform:translateY(-3px);border-color:#98b0ef;color:var(--ink)}.cat-number{display:block;color:var(--blue);font:500 1rem monospace;margin-bottom:25px}.category-card h3{font-size:1.13rem;letter-spacing:-.055em}.category-card p{font-size:.88rem;color:var(--muted);margin:12px 0 23px;min-height:47px}.cat-count{font-size:.75rem;color:var(--muted)}.category-card.daily{background:#f4f7ff}.category-card.work{background:#f1f8fb}.category-card.learn{background:#f6f5ff}.category-card.culture{background:#fcf7ef}.site-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:22px}.site-grid.three{grid-template-columns:repeat(3,1fr)}.site-card{border:1px solid var(--line);border-radius:var(--radius);padding:23px 21px;display:flex;flex-direction:column;background:#fff;transition:border-color .15s}.site-card:hover{border-color:#9db2e5}.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.site-mark{height:42px;width:42px;display:inline-grid;place-items:center;background:#eaf0ff;color:#2954b8;border-radius:12px;font-size:1.15rem;font-weight:700}.site-mark.work{color:#146f89;background:#e8f4f7}.site-mark.learn{color:#6951aa;background:#f0eaff}.site-mark.culture{color:#946026;background:#fcf0dc}.badge{font-size:.75rem;color:var(--muted)}.site-card h3{font-size:1.18rem;letter-spacing:-.025em}.site-card>.domain{font-size:.75rem;margin:5px 0 14px;color:#657087;word-break:break-all}.site-card>p:not(.domain){font-size:.9rem;color:var(--muted);margin-bottom:24px;flex:1}.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:15px;font-size:.82rem;font-weight:650}.card-bottom a{min-height:30px;display:flex;align-items:center}.external{color:var(--blue)}.guide-banner{margin:58px 0 68px;background:#172a52;color:#fff;border-radius:20px;padding:33px 36px;display:flex;align-items:center;justify-content:space-between;gap:25px}.guide-banner .eyebrow{color:#b0c5ff;margin-bottom:10px}.guide-banner h2{font-size:1.65rem}.guide-banner p:not(.eyebrow){font-size:.95rem;color:#d1dbed;margin-top:12px}.button.light{background:white;color:#1c3972;flex-shrink:0}.button.light:hover{background:#e6edff}footer{border-top:1px solid var(--line);background:#f8fafd;margin-top:72px}.foot{display:flex;justify-content:space-between;padding-top:34px;padding-bottom:30px;gap:30px}.foot .brand{font-size:1.2rem}.foot p{font-size:.83rem;color:var(--muted);margin:4px 0}.foot a:not(.brand){font-size:.83rem;display:inline-block;margin-top:7px;text-decoration:underline;text-underline-offset:4px}.fine{font-size:.75rem;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;padding-bottom:22px;display:flex;justify-content:space-between}.crumb{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.82rem;margin-top:28px;flex-wrap:wrap}.crumb a{text-decoration:underline;text-underline-offset:3px}.intro{padding:48px 0 38px;max-width:850px}.intro h1{font-size:clamp(2rem,3.5vw,3.1rem)}.intro .lead{margin-top:18px}.jump-nav{display:flex;gap:12px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:25px}.jump-nav a{padding:9px 22px;border:1px solid var(--line);border-radius:30px;font-size:.88rem}.jump-nav a:hover{background:var(--light)}.muted{color:#677caa;font-size:1.1rem;vertical-align:middle;margin-right:8px;font-family:monospace}.detail-hero{padding:36px 0;border-bottom:1px solid var(--line)}.large{width:58px;height:58px;font-size:1.7rem;float:left;margin-right:21px}.detail-hero .eyebrow{margin-bottom:7px}.detail-hero h1{font-size:2.55rem}.detail-hero .lead{clear:both;padding-top:7px;margin-top:12px;font-size:1.2rem}.detail-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:60px;margin-top:35px}.prose h2{font-size:1.35rem;margin:31px 0 14px}.prose h2:first-child{margin-top:0}.prose p{line-height:1.95;color:#465670}.prose.wide{max-width:780px}.prose.wide h2{margin-top:35px}.prose.wide section{margin-bottom:40px}.steps{padding-left:23px;color:#465670;line-height:1.95}.steps li{padding:5px 0 5px 8px}.note{background:var(--light);border-left:3px solid var(--blue);padding:23px;border-radius:0 12px 12px 0;margin-top:30px}.note h2{font-size:1rem;margin-bottom:9px}.note p{font-size:.95rem}.prose .source{font-size:.78rem;color:var(--muted);margin-top:27px}.source a{text-decoration:underline}.destination{align-self:start;background:#f2f6ff;border:1px solid #dbe4fa;border-radius:18px;padding:26px}.destination h2{font-size:1.2rem}.destination .domain{margin-top:13px;font-size:.9rem;word-break:break-all}.destination .button{width:100%;margin:24px 0 17px}.small{font-size:.83rem;color:var(--muted)}.destination .text-link{display:inline-block;margin-top:22px;font-size:.85rem}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.guide-card{background:var(--light);border:1px solid var(--line);border-radius:18px;padding:32px;display:block}.guide-card h2{font-size:1.55rem}.guide-card>p:not(.eyebrow){color:var(--muted);margin:16px 0 30px}.sr{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}.skip{position:fixed;top:-100px;left:12px;background:var(--ink);color:white;padding:10px 20px;z-index:20}.skip:focus{top:12px;color:#fff}main{min-height:55vh}.site-grid+footer{margin-top:70px}@media(max-width:1050px){.brand-small{display:none}.head nav{gap:22px}.hero{gap:30px}.hero h1{font-size:2.65rem}.category-grid,.site-grid{grid-template-columns:repeat(2,1fr)}.category-card p{min-height:0}.info-strip{flex-wrap:wrap;justify-content:flex-start;column-gap:28px}.info-strip strong{width:100%}.detail-layout{gap:30px}.guide-banner h2{font-size:1.4rem}}@media(max-width:700px){.wrap{padding-left:22px;padding-right:22px}.head{flex-direction:column;gap:15px;padding-top:21px;padding-bottom:10px;align-items:flex-start}.brand{font-size:1.3rem}.brand-icon{width:35px;height:35px}.head nav{width:100%;gap:0;justify-content:space-between;flex-wrap:wrap;font-size:.85rem}.head nav a{min-height:40px}.head nav a[aria-current]:after{bottom:-10px}.hero{grid-template-columns:1fr;padding-top:38px;gap:33px;padding-bottom:30px}.hero h1{font-size:clamp(2rem,7.6vw,3rem)}.hero .lead{font-size:1rem;margin-top:18px}.hero-actions{gap:20px;margin-top:24px}.index-note{padding:23px}.note-row{padding:13px 0}.info-strip{gap:7px 17px;font-size:.78rem;padding:16px 0}.section{margin-top:38px}.section-head{align-items:flex-start;gap:12px;margin-bottom:20px}.section-head h2,h2{font-size:1.5rem}.section-head .text-link{font-size:.8rem;flex-shrink:0;margin-top:6px}.eyebrow{font-size:.7rem;letter-spacing:.12em}.category-grid{gap:12px}.category-card{padding:21px 17px}.category-card h3{font-size:1.05rem}.category-card p{font-size:.83rem;min-height:70px;margin-bottom:15px}.cat-number{margin-bottom:22px}.site-grid,.site-grid.three{grid-template-columns:1fr;gap:15px}.site-card{padding:23px}.site-card h3{font-size:1.25rem}.site-card>p:not(.domain){font-size:.95rem}.card-top{margin-bottom:16px}.card-bottom{font-size:.9rem}.site-card>.domain{font-size:.83rem}.guide-banner{flex-direction:column;align-items:flex-start;margin:38px 0 45px;padding:28px 24px}.guide-banner h2{font-size:1.5rem}.guide-banner .button{margin-top:0}.foot{flex-direction:column;gap:22px}.fine{gap:12px;flex-wrap:wrap}.intro{padding:34px 0}.intro h1{font-size:2.1rem}.intro .lead{font-size:1rem}.jump-nav{gap:8px}.jump-nav a{padding:9px 16px}.detail-layout{grid-template-columns:1fr;gap:32px}.destination{grid-row:1}.detail-hero h1{font-size:2rem}.detail-hero .lead{font-size:1.1rem}.guide-grid{grid-template-columns:1fr}.guide-card{padding:28px}.desktop{display:none}.prose h2{font-size:1.3rem}footer{margin-top:48px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.hero .seo-title{font-size:clamp(2rem,3.4vw,2.9rem);line-height:1.4;max-width:650px}.hero-copy{min-width:0}.hero .lead{font-size:1rem}.category-grid{grid-template-columns:repeat(4,1fr)}.category-card h3{font-size:1.15rem}.category-card p{min-height:48px}.index-note .note-row{font-size:1rem}.category-card .cat-count,.badge{font-size:.875rem}.category-card p,.card-bottom,.text-link{font-size:.9rem}.guide-grid{gap:20px}.guide-card>p:not(.eyebrow){font-size:1rem}.site-card>p:not(.domain){font-size:1rem}.cat-advice{margin-top:35px;background:var(--light);border-radius:18px;padding:28px}.cat-advice h2{font-size:1.4rem}.cat-advice p{margin-top:12px;color:var(--muted);max-width:850px}.site-map-link{display:inline-block;margin-top:18px}.full-title-note{font-size:.875rem;color:var(--muted);margin-top:20px}@media(max-width:1050px){.category-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:700px){.hero .seo-title{font-size:2.1rem}.category-grid{grid-template-columns:repeat(2,1fr)}.category-card p{min-height:70px}.hero{padding-top:30px}.hero-actions .text-link{font-size:.85rem}.head nav{font-size:.875rem}.detail-hero .lead{font-size:1rem}}
.brand-logo{display:block;width:188px;height:58px;object-fit:contain}.hero{padding:36px 0 20px;gap:42px;grid-template-columns:1.7fr 1fr}.hero .seo-title{font-size:2.5rem;line-height:1.38}.hero-actions{margin-top:19px}.hero+.section{margin-top:25px}.hero .lead{margin-top:15px}.compact-note{padding:24px 27px}.compact-note>strong{display:block;color:var(--blue);font-size:3.2rem;line-height:1.2;letter-spacing:-.04em}.compact-note>strong span{font-size:1rem;color:var(--ink);margin-left:12px;letter-spacing:-.03em}.compact-note>p{font-size:.875rem;margin-top:8px}.compact-note .eyebrow{margin:0 0 17px}.note-divider{height:1px;background:#cbd7f2;margin:17px 0}.home-categories .category-card{padding:18px 20px;display:flex;align-items:center;gap:12px;border-radius:12px;background:#f7f9fe}.home-categories .cat-number{margin:0;font-size:.85rem}.home-categories h3{font-size:1rem;letter-spacing:-.04em}.home-categories p{display:none}.home-categories .cat-count{margin-left:auto;white-space:nowrap;font-size:.75rem}.home-categories{gap:10px}.jump-nav{position:sticky;top:0;z-index:3;background:#fff;flex-wrap:nowrap;overflow-x:auto;padding:12px 0;scrollbar-width:thin;box-shadow:0 5px 12px #172a5208}.jump-nav a{white-space:nowrap;font-size:.875rem;flex-shrink:0}.section[id]{scroll-margin-top:85px}.brand{min-width:0}.hero h1{color:var(--ink)}.hero .seo-title{max-width:690px}.guide-banner h2{line-height:1.4}@media(max-width:1050px){.hero{grid-template-columns:1.5fr 1fr;gap:25px}.hero .seo-title{font-size:2.1rem}.home-categories{grid-template-columns:repeat(3,1fr)}}@media(max-width:700px){.brand-logo{width:160px;height:45px}.head{padding-top:12px;gap:6px}.hero{grid-template-columns:1fr;padding-top:24px;padding-bottom:0;gap:0}.hero .seo-title{font-size:1.75rem;line-height:1.45}.hero .lead{font-size:.95rem;margin-top:12px}.compact-note{display:none}.hero-actions{margin-top:15px;gap:18px}.hero-actions .button{padding:10px 17px;min-height:44px;font-size:.875rem}.hero+.section{margin-top:28px}.home-categories{grid-template-columns:repeat(2,1fr);gap:8px}.home-categories .category-card{padding:14px 12px;gap:8px}.home-categories .cat-number{font-size:.75rem}.home-categories h3{font-size:.9rem}.home-categories .cat-count{display:none}.section-head .eyebrow{display:none}.section-head h2{font-size:1.3rem}.section-head{margin-bottom:15px}.info-strip{display:none}.cat-advice{padding:23px}.guide-grid .guide-card h2{font-size:1.35rem}}@media(max-width:360px){.hero .seo-title{font-size:1.55rem}.wrap{padding-inline:16px}.head nav{font-size:.8rem}.hero-actions{gap:13px}.home-categories h3{font-size:.85rem}}
.card-bottom{gap:12px;flex-wrap:wrap}.card-bottom .external{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;border-radius:7px;padding:9px 12px;min-height:42px;font-size:.875rem;flex-shrink:0}.card-bottom .external:hover{background:#1544c7;color:#fff}.card-bottom>a:not(.external){font-size:.875rem;color:var(--muted);text-decoration:underline;text-underline-offset:4px}.site-grid:not(.three) .card-bottom{justify-content:flex-start}.site-grid:not(.three) .card-bottom .external{margin-left:auto}
/* Editorial reading sections */
.editorial-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px 44px}.editorial-grid h3{font-size:21px;line-height:1.5;margin:0 0 12px}.editorial-grid p{line-height:1.95;color:#536171;margin:0}.home-explain{border-top:1px solid #e2e6ec;padding-top:48px}.home-faq{max-width:900px;padding-bottom:24px}.home-faq details{border-bottom:1px solid #e2e6ec;padding:20px 0}.home-faq summary{cursor:pointer;font-weight:700;line-height:1.7}.home-faq details p{line-height:1.9;color:#536171;max-width:780px}.guide-byline{color:#647183;font-size:14px;margin:0 0 28px}.home-reading .guide-card h3{font-size:20px;line-height:1.5}.home-reading .guide-card p{line-height:1.8}@media(max-width:700px){.editorial-grid{grid-template-columns:1fr;gap:28px}.editorial-grid h3{font-size:19px}.home-explain{padding-top:32px}.home-reading .guide-card h3{font-size:19px}}