@font-face{font-family:TMText;src:url('body.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:TMHeading;src:url('heading-medium.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:TMHeading;src:url('heading-semibold.woff2') format('woff2');font-weight:600 800;font-display:swap}
:root{--navy:#2e364c;--ink:#252c3e;--muted:#606b7c;--line:#dbe0e8;--surface:#f3f5f8;--accent:#405b87;--white:#fff;--radius:6px;--body:TMText,'Segoe UI',sans-serif;--heading:TMHeading,'Segoe UI',sans-serif;--space-1:8px;--space-2:16px;--space-3:24px;--space-4:32px;--space-5:48px;--space-6:64px;--space-7:80px;--content:1184px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--white);color:var(--ink);font-family:var(--body);font-size:18px;-webkit-font-smoothing:antialiased}a{color:inherit}button{font:inherit}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #526da6;outline-offset:5px}::selection{background:#dce5f5;color:var(--navy)}.skip-link{position:fixed;top:10px;left:10px;z-index:10;background:white;padding:12px;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}
.preview-bar{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:6px 32px;background:#e9edf4;color:#46536b;font:12px/1.4 var(--body)}.preview-bar nav{display:flex;align-items:center;gap:4px}.preview-bar nav a{text-decoration:none;padding:7px 12px;border-radius:4px}.preview-bar nav a[aria-current]{background:white;color:var(--navy);box-shadow:0 1px 2px #24314715}.preview-note{font-size:11px}
.site-header{background:var(--navy);color:white}.header-inner{max-width:var(--content);margin:auto;min-height:96px;display:flex;align-items:center;justify-content:space-between;padding:18px 0;gap:32px}.brand{display:flex;gap:10px;align-items:center;text-decoration:none}.brand>svg{width:49px;height:49px}.brand>span{font-size:22px;line-height:1.04;letter-spacing:-.6px}.brand small{display:block;text-transform:uppercase;letter-spacing:1.3px;font-size:7px;line-height:1.8;margin-top:6px}.header-inner nav{display:flex;gap:32px;font-size:14px;align-items:center}.header-inner nav a{text-decoration:none}.header-inner nav a:hover{text-decoration:underline;text-underline-offset:6px}.header-inner nav span{color:#d3dced;border-bottom:1px solid #d3dced;padding:8px 0}.menu-button{display:none;color:white;background:transparent;border:1px solid #ffffff55;border-radius:4px;min-height:44px;padding:8px 12px}
.article-hero{background:var(--surface);border-bottom:1px solid var(--line)}.hero-inner{max-width:var(--content);margin:auto;padding:32px 0 48px}.breadcrumb{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--muted);margin-bottom:32px}.breadcrumb a{text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.hero-category{color:var(--accent);font-size:13px;margin-bottom:16px;display:flex;gap:12px;align-items:center}.article-hero h1{font-family:var(--heading);font-size:clamp(40px,4.3vw,62px);line-height:1.14;font-weight:500;letter-spacing:-.035em;max-width:1050px;margin:0;text-wrap:balance}.hero-subtitle{display:block;font-family:var(--body);font-size:clamp(25px,2.4vw,34px);line-height:1.35;font-weight:400;letter-spacing:-.025em;color:#5c6980;margin-top:16px}.article-meta{display:flex;gap:12px;align-items:center;margin-top:32px;color:var(--muted);font-size:12px;line-height:1.5}.article-meta strong{display:block;color:var(--ink);font-size:13px;font-weight:600}.author-icon{width:42px;height:42px;border:1px solid #bdc7d6;display:grid;place-items:center;border-radius:50%}.author-icon svg{width:30px;height:30px;color:var(--navy)}.reading-time{border-left:1px solid #c8d0dc;padding-left:20px;margin-left:12px}
.reading-progress{height:3px;position:sticky;top:0;z-index:3;background:transparent;margin-bottom:-3px;pointer-events:none}.reading-progress>span{display:block;width:0;height:100%;background:var(--accent)}.reading-layout{max-width:var(--content);margin:0 auto;display:grid;grid-template-columns:234px minmax(0,760px);gap:80px;padding:64px 0 80px;justify-content:space-between}.reading-main{min-width:0}.article-sidebar{position:relative}.sidebar-inner{position:sticky;top:32px}.contents-title{font-family:var(--heading);font-size:15px;font-weight:600;margin:0 0 18px}.article-sidebar ol,.mobile-contents ol{list-style:none;margin:0;padding:0}.article-sidebar nav a{display:flex;align-items:center;justify-content:space-between;gap:12px;text-decoration:none;font-size:13px;line-height:1.5;padding:12px 0;color:var(--muted);border-bottom:1px solid #e7eaf0;transition:color .18s}.article-sidebar nav a>span:last-child{color:#98a3b5;opacity:0}.article-sidebar nav a:hover,.article-sidebar nav a[aria-current]{color:var(--navy)}.article-sidebar nav a[aria-current]{font-weight:600}.article-sidebar nav a[aria-current]>span:last-child{opacity:1}.read-status{font-size:11px;color:var(--muted);margin-top:28px;display:flex;justify-content:space-between;flex-wrap:wrap}.read-status>div{width:100%;height:3px;background:var(--line);margin-top:9px}.read-status>div>span{display:block;height:3px;width:0;background:var(--accent)}.back-top{display:flex;justify-content:space-between;text-decoration:none;font-size:12px;color:var(--muted);padding:16px 0}.mobile-contents{display:none}