:root{--ink:#172b38;--muted:#62717c;--accent:#255fa0;--line:#dce3e7;--blue:#edf3f8;--paper:#fff;--serif:Georgia,'Batang',serif}*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Malgun Gothic','Apple SD Gothic Neo',sans-serif;line-height:1.8;font-size:16px;word-break:keep-all}a{color:inherit;text-underline-offset:5px}a,button{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #397ac0;outline-offset:5px}::selection{background:#d8e9fa}.shell{width:min(1220px,calc(100% - 80px));margin:auto}.skip{position:fixed;top:-100px;left:20px;background:white;padding:10px;z-index:100}.skip:focus{top:10px}header{border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;gap:25px;min-height:98px}.brand{display:flex;align-items:center;gap:10px;font-size:23px;text-decoration:none;font-weight:750;letter-spacing:-1px;white-space:nowrap}.brand-symbol{font-size:36px;color:#386d8b;line-height:1}.brand-sub{font-size:10px;letter-spacing:1.2px;font-weight:500;border-left:1px solid var(--line);padding-left:14px;margin-left:7px;color:var(--muted);white-space:normal;max-width:105px;line-height:1.4}nav{display:flex;gap:28px;font-size:14px}nav a{text-decoration:none}nav a:hover{color:var(--accent)}.hero{display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;gap:60px;padding:55px 0 48px}.kicker{font-size:12px;letter-spacing:1.6px;color:var(--accent);font-weight:650}.hero h1{font-size:clamp(38px,4.3vw,59px);font-weight:450;letter-spacing:-3px;line-height:1.33;margin:23px 0}.hero-copy>p{font-size:17px;color:var(--muted);line-height:1.9;margin-bottom:30px}.primary{display:inline-flex;text-decoration:none;color:white;background:var(--ink);align-items:center;gap:28px;font-size:15px;padding:13px 20px}.primary:hover{background:var(--accent)}.hero-caption{font-size:12px;color:var(--muted);margin-top:35px}.hero-caption span{display:block;font-size:10px;letter-spacing:1.5px;color:var(--accent);margin-bottom:4px}.hero-visual{position:relative;display:block;align-self:stretch;min-height:415px;overflow:hidden;background:#e5e6e4}.hero-visual img{display:block;width:100%;height:100%;object-fit:cover;aspect-ratio:1.32}.image-label{position:absolute;bottom:24px;left:26px;right:26px;display:flex;align-items:center;justify-content:space-between;font-size:14px;color:#29383d}.image-label b{width:35px;height:35px;display:grid;place-items:center;border:1px solid #a3aca9;border-radius:50%;font-weight:400}.editorial-line{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:25px;padding:19px 0;align-items:center}.editorial-line span{font-size:17px;letter-spacing:-.4px}.editorial-line p{font-size:13px;color:var(--muted);margin:0}.feature{display:grid;grid-template-columns:1.05fr 1fr;gap:65px;align-items:center;padding:65px 0 75px}.feature-image{display:block;overflow:hidden}.feature img{width:100%;height:auto;display:block;aspect-ratio:1.8;object-fit:cover}.feature h2{font-size:32px;line-height:1.5;font-weight:450;letter-spacing:-1.3px;margin:13px 0}.feature h2 a{text-decoration:none}.feature p{font-size:15px;line-height:1.9;color:var(--muted);max-width:450px}.text-link{font-size:14px}.feature small{display:block;color:#7b8790;font-size:11px;margin-top:15px}.stories{padding:45px 0 80px;border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}.section-heading h2{font-size:31px;letter-spacing:-1.3px;font-weight:450;margin:9px 0 0}#searchForm{display:flex;border-bottom:1px solid #8899a4;align-items:center;width:250px}#searchForm input{min-width:0;flex:1;border:0;padding:12px 0;background:transparent;font-size:14px;color:var(--ink)}#searchForm button{border:0;background:transparent;font-size:26px;padding:0 5px;color:var(--muted)}.filter-row{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:30px}.filters{display:flex;gap:8px;flex-wrap:wrap}.filters button{border:1px solid var(--line);background:white;border-radius:25px;padding:7px 18px;color:var(--muted);font-size:14px}.filters button[aria-pressed=true]{color:white;background:var(--ink);border-color:var(--ink)}#count{font-size:12px;color:var(--muted);white-space:nowrap}.story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 35px}.story{padding:29px 0 25px;border-top:1px solid var(--line);display:flex;flex-direction:column;min-height:268px}.story-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--accent)}.story-meta span:last-child{font:italic 17px var(--serif);color:#8396a4}.story h3{font-size:22px;line-height:1.5;letter-spacing:-.8px;font-weight:550;margin:17px 0 10px}.story h3 a{text-decoration:none}.story h3 a:hover{color:var(--accent)}.story p{font-size:14px;line-height:1.85;color:var(--muted);margin:0 0 25px}.read{display:flex;justify-content:space-between;text-decoration:none;font-size:13px;margin-top:auto}.read span{font-size:20px}.closing{background:var(--blue);display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:42px 45px;margin-bottom:75px}.closing h2{font-size:28px;line-height:1.6;font-weight:450;letter-spacing:-1px;margin:15px 0 0}.closing p{font-size:15px;color:var(--muted)}.closing a{font-size:14px}footer{border-top:1px solid var(--line)}.footer{padding:35px 0;display:flex;justify-content:space-between;align-items:start;gap:25px}.footer strong{font-size:20px}.footer p{font-size:12px;line-height:1.8;color:var(--muted);margin:4px 0}.footer a{font-size:13px}.sr-only{position:absolute;width:1px;height:1px;clip:rect(0,0,0,0);overflow:hidden;white-space:nowrap}.article-heading{max-width:1000px;padding-top:40px;padding-bottom:40px}.back{font-size:13px;text-decoration:none;display:inline-block;margin-bottom:30px;color:var(--muted)}.article-heading h1{font-size:43px;line-height:1.4;font-weight:450;letter-spacing:-2px;max-width:850px;margin:20px 0}.article-deck{max-width:770px;color:var(--muted);font-size:18px;line-height:1.9;margin:0 0 25px}.kicker span{margin:0 7px}.byline{font-size:12px;color:var(--muted)}.byline span{margin:0 10px;color:#b0bcc3}.article-layout{max-width:1000px;display:grid;grid-template-columns:minmax(0,740px) 210px;gap:50px;align-items:start;margin-bottom:70px}.article-body{min-width:0}.article-body>p{font-size:18px;line-height:2;letter-spacing:-.2px;margin:0 0 23px;overflow-wrap:anywhere}.article-body>h2{font-size:25px;letter-spacing:-.7px;line-height:1.5;margin:48px 0 22px;scroll-margin-top:30px;padding-top:8px;border-top:1px solid var(--line)}.article-cover{margin:0 0 30px}.article-cover img{display:block;width:100%;height:auto;aspect-ratio:1.7;object-fit:cover}.article-cover figcaption{font-size:11px;color:var(--muted);margin-top:10px}.editor-note{border-left:3px solid #82a5c6;padding:17px 22px;background:#f1f5f9;margin:0 0 32px}.editor-note strong{font-size:14px}.editor-note p{font-size:13px;line-height:1.9;color:var(--muted);margin:5px 0 0}.article-aside{position:sticky;top:30px;max-height:calc(100vh - 60px);overflow:auto}.in-this-article{display:block;border-top:1px solid var(--line);padding-top:16px}.in-this-article>span{display:block;font-size:12px;margin-bottom:14px;font-weight:700}.in-this-article a{display:block;font-size:13px;color:var(--muted);padding:6px 0;line-height:1.6}.in-this-article a:hover{color:var(--accent)}.aside-safety{display:block;padding:18px 0;font-size:12px;color:var(--muted);border-top:1px solid var(--line);margin-top:22px}.aside-copy{font:22px/1.8 var(--serif);color:#8a9daa}.diagram-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:35px 0}.diagram-grid:has(figure:only-child){grid-template-columns:1fr}.diagram{margin:0;padding:17px;border:1px solid var(--line);border-radius:10px;background:white;align-self:start}.diagram img{width:100%;height:auto;display:block;max-height:620px;object-fit:contain}.diagram figcaption{font-size:12px;color:var(--muted);padding-top:12px;text-align:center}.article-source{border-top:1px solid var(--line);padding-top:25px;margin-top:45px}.article-source strong{font-size:14px}.article-source p{font-size:13px;line-height:1.9;color:var(--muted)}.all-link{display:inline-block;margin-top:25px;font-size:15px}.article-body ul{padding-left:22px}@media(max-width:1000px){.shell{width:calc(100% - 48px)}.brand-sub{display:none}nav{gap:18px}.hero{gap:30px}.hero h1{font-size:43px}.hero-visual{min-height:360px}.hero-caption{margin-top:24px}.feature{gap:35px}.feature h2{font-size:28px}.story-grid{gap:0 25px}.story h3{font-size:20px}.article-layout{grid-template-columns:minmax(0,1fr) 180px;gap:30px}}@media(max-width:760px){.shell{width:calc(100% - 40px)}.nav{display:block;padding:16px 0;min-height:0}.brand{font-size:22px}.brand-symbol{font-size:30px}nav{gap:19px;font-size:13px;margin-top:12px;flex-wrap:wrap}.hero{grid-template-columns:1fr;padding-top:34px;gap:28px}.hero h1{font-size:43px;letter-spacing:-2px;margin:18px 0}.hero-copy>p{font-size:16px;margin-bottom:23px}.hero-caption{display:none}.hero-visual{min-height:0}.hero-visual img{aspect-ratio:1.5;height:auto}.image-label{bottom:16px;left:20px;right:20px;font-size:13px}.editorial-line{display:block;padding:15px 0}.editorial-line span{font-size:16px}.editorial-line p{font-size:12px;margin-top:5px}.feature{grid-template-columns:1fr;gap:24px;padding:38px 0 45px}.feature h2{font-size:28px}.feature p{font-size:15px}.feature img{aspect-ratio:1.8}.stories{padding:35px 0 50px}.section-heading{display:block}.section-heading h2{font-size:27px}.section-heading form{margin-top:20px;width:100%!important}.filter-row{display:block}.filters{gap:7px}.filters button{padding:6px 12px;font-size:13px}#count{display:block;margin-top:12px}.story-grid{grid-template-columns:1fr}.story{min-height:0;padding:23px 0}.story h3{font-size:23px;margin:12px 0 10px}.story p{font-size:15px;margin-bottom:18px}.story-meta{font-size:12px}.read{font-size:14px}.closing{grid-template-columns:1fr;gap:10px;padding:28px;margin-bottom:45px}.closing h2{font-size:26px}.footer{display:block;padding:26px 0}.footer>p{margin:15px 0}.article-heading{padding-top:25px;padding-bottom:25px}.back{margin-bottom:20px}.article-heading h1{font-size:32px;letter-spacing:-1.5px;margin:16px 0}.article-deck{font-size:16px}.article-layout{display:flex;flex-direction:column;gap:25px}.article-aside{position:static;max-height:none;order:-1;width:100%}.in-this-article{display:flex;gap:0 15px;flex-wrap:wrap;max-height:180px;overflow:auto;padding:12px;background:#f3f6f8}.in-this-article>span{width:100%;margin-bottom:5px}.in-this-article a{font-size:13px}.aside-safety,.aside-copy{display:none}.article-body>p{font-size:17px;line-height:1.95}.article-body>h2{font-size:23px;margin-top:35px}.editor-note{padding:14px 17px}.diagram-grid{grid-template-columns:1fr}.diagram{padding:12px}.article-cover figcaption{font-size:12px}.article-source p{font-size:13px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{header,.article-aside,.all-link,footer{display:none}.article-layout{display:block}.shell{width:100%}.article-heading h1{font-size:28px}.article-body>p{font-size:12pt}.diagram{break-inside:avoid}}
/* Inline editorial figures and readable reference tables */
.inline-diagram{margin:32px 0 42px;border:1px solid #d7e3e7;border-radius:18px;overflow:hidden;background:#f6f9fa;break-inside:avoid}.figure-heading{padding:21px 25px 17px;border-bottom:1px solid #e0e8eb}.figure-heading>span{display:block;font-size:10px;font-weight:700;letter-spacing:1.7px;color:#39797f}.figure-heading h3{font-size:20px;line-height:1.5;margin:5px 0 0;font-weight:600;letter-spacing:-.5px}.figure-image{display:block;padding:24px;background:white}.figure-image img{display:block;width:100%;height:auto;max-height:750px;object-fit:contain;margin:auto}.inline-diagram figcaption{display:flex;justify-content:space-between;gap:15px;padding:13px 24px;color:#657b85;font-size:11px;line-height:1.6}.inline-diagram figcaption span{white-space:nowrap}.table-wrap{overflow-x:auto;border:1px solid #dce5e9;border-radius:12px;margin:26px 0 34px;background:white}.table-wrap table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.85;min-width:560px}.table-wrap caption{text-align:left;padding:17px 20px;font-size:13px;font-weight:600;color:#346872;background:#f3f7f8}.table-wrap th{text-align:left;padding:12px 16px;font-size:12px;background:#eaf1f4;border-bottom:1px solid #dce5e9}.table-wrap td{vertical-align:top;padding:16px;border-bottom:1px solid #e5ecef;word-break:normal}.table-wrap td:first-child{font-weight:650;min-width:100px;color:#285364}.table-wrap tr:last-child td{border:0}.table-wrap tr:nth-child(even){background:#fafcfd}.editor-correction{border-left:3px solid #518b91;background:#f3f8f8;padding:18px 22px;margin:26px 0;font-size:14px}.editor-correction strong{display:block;font-size:13px;color:#32696e;margin-bottom:6px}.editor-correction p{margin:0;font-size:14px;line-height:1.9}.article-body p:has(>strong:first-child){margin-bottom:17px}@media(max-width:760px){.figure-heading{padding:17px 18px}.figure-heading h3{font-size:18px}.figure-image{padding:12px}.inline-diagram{margin:25px 0 32px;border-radius:12px}.inline-diagram figcaption{padding:12px 16px;display:block}.inline-diagram figcaption span{display:block;margin-top:4px}.table-wrap table{min-width:520px;font-size:13px}}
.site-domain{display:inline-block;color:var(--accent);font-size:14px;letter-spacing:.7px;text-decoration:none;margin-top:4px}
.book-banner{margin:40px 0 0;padding:34px 36px;border-radius:18px;background:linear-gradient(115deg,#183e4d,#245765);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px}.book-kicker{font-size:10px;letter-spacing:2px;color:#a7d3ce;font-weight:700}.book-banner h2{font-size:29px;line-height:1.45;letter-spacing:-1px;font-weight:500;margin:12px 0 17px}.book-banner p{font-size:13px;line-height:1.9;color:#d4e4e8;margin:0}.book-banner strong{font-weight:500}.book-buy{display:inline-flex;align-items:center;gap:25px;background:#e9f1da;color:#183e4d;padding:15px 20px;border-radius:7px;text-decoration:none;font-size:14px;font-weight:700;white-space:nowrap}.book-buy:hover{background:#fff}.ad-space{margin:48px 0;clear:both}.ad-label{display:block;text-align:center;color:#8b969d;font-size:10px;letter-spacing:1px;margin-bottom:9px}.ad-reserved{min-height:250px;display:grid;place-items:center;background:#f7f8f9;border:1px solid #edf0f2;border-radius:4px}.ad-reserved>span{font-size:10px;letter-spacing:3px;color:#a2aab1}.purchase-section{margin-bottom:55px}.purchase-section .book-banner{padding:42px 48px}.purchase-section .ad-reserved{min-height:120px}@media(max-width:760px){.book-banner,.purchase-section .book-banner{padding:27px 24px;display:block}.book-banner h2{font-size:26px}.book-buy{margin-top:24px;justify-content:space-between;width:100%;white-space:normal}.ad-space{margin:36px 0}.ad-reserved,.purchase-section .ad-reserved{min-height:250px}.purchase-section{margin-bottom:35px}}@media print{.book-banner,.ad-space{display:none}}
.language-link{color:var(--accent);font-weight:650;border-left:1px solid var(--line);padding-left:20px;white-space:nowrap}.language-link span{font-size:12px;margin-left:3px}@media(max-width:760px){.language-link{padding-left:14px}}
html[lang="en"] .article-body{word-break:normal}html[lang="en"] .nav nav{gap:19px;font-size:13px}html[lang="en"] .brand{letter-spacing:-.7px}html[lang="en"] .hero h1{letter-spacing:-2px;font-size:clamp(38px,4vw,56px)}html[lang="en"] .article-heading h1{max-width:950px}.translation-note{color:#637780;font-size:12px;border-bottom:1px solid var(--line);margin:0 0 22px;padding:0 0 14px}.translation-note p{margin:0;line-height:1.7}@media(max-width:1000px){html[lang="en"] .nav{flex-wrap:wrap;padding:18px 0}html[lang="en"] .nav nav{flex-wrap:wrap}}
.footer-legal{border-top:1px solid var(--line);padding:18px 0 24px;display:flex;align-items:center;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;color:var(--muted)}.footer-legal small{font-size:12px}.contact-email{font-size:13px;text-decoration:none;overflow-wrap:anywhere}.contact-email span{font-size:11px;color:var(--muted);margin-right:9px}.contact-email:hover{text-decoration:underline;color:var(--accent)}

/* Full handbook purchase link below the introductory story */
.hero-paid-access{margin-top:24px}.hero-paid-button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;max-width:100%;box-sizing:border-box;padding:15px 20px;background:#075bbc;color:#fff;border:1px solid #075bbc;font-size:15px;font-weight:600;text-decoration:none;line-height:1.5}.hero-paid-button:hover{background:#064b9b;color:#fff}.hero-paid-button:focus-visible{outline:3px solid #182f3b;outline-offset:4px}.hero-paid-access small{display:block;margin-top:9px;font-size:12px;line-height:1.6;color:var(--muted)}@media(max-width:760px){.hero-paid-button{width:100%;gap:12px}}

.affiliate-banner{padding-top:24px;padding-bottom:24px;text-align:center}.affiliate-banner[hidden]{display:none}.affiliate-banner small{display:block;margin-bottom:10px;font-size:12px;color:var(--muted);line-height:1.6}.affiliate-banner a{display:block;width:300px;max-width:100%;margin:auto}.affiliate-banner img{display:block;width:100%;height:auto}.affiliate-banner a:focus-visible{outline:3px solid #075bbc;outline-offset:4px}