.lab-hub{width:min(1020px,calc(100% - 40px));margin:auto}.lab-intro{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;padding:46px 0 32px}.lab-intro h1{font-size:clamp(33px,4vw,48px);margin-bottom:18px}.intro-lead{font-size:18px;margin:0 0 24px}.lab-intro figure{margin:0}.lab-intro>figure img{display:block;width:100%;border-radius:50% 50% 8px 8px;background:#f3efe1}.lab-intro figcaption{font-size:12px;text-align:center;color:var(--muted);margin:9px 0 0}.purpose-nav{display:flex;gap:12px;border-block:1px solid var(--line);padding:16px 0}.purpose-nav a{flex:1;text-align:center;font-size:15px;text-decoration:none;padding:8px;background:#edf2e9;border-radius:7px;font-weight:700}.hub-section{padding:48px 0 12px;scroll-margin-top:20px}.hub-section h2{font-family:'Noto Serif CJK JP','Yu Mincho',serif;font-size:32px;line-height:1.6;margin:0 0 20px}.hub-section>p{max-width:710px}.guide-rows{padding:0;margin:24px 0 0;list-style:none}.guide-rows li{border-top:1px solid var(--line)}.guide-rows li:last-child{border-bottom:1px solid var(--line)}.guide-rows a{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:20px 4px;text-decoration:none;color:var(--ink)}.guide-rows strong{font-family:'Noto Serif CJK JP','Yu Mincho',serif;font-size:23px;font-weight:600}.guide-rows small{display:block;font-size:15px;color:var(--muted);margin-top:4px}.guide-rows a>span:last-child{font-size:24px;color:var(--green)}.guide-rows a:hover{background:#f0f3e9}.print-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 32px;padding:0;list-style:none;margin:28px 0}.print-grid li{border-bottom:1px solid var(--line)}.print-grid a{display:flex;align-items:center;gap:16px;justify-content:space-between;padding:18px 0;text-decoration:none;font-size:15px}.print-grid strong{color:var(--ink);font-size:18px;flex-shrink:0}.text-link{display:inline-block;min-height:48px;padding:10px 0;font-weight:700;font-size:15px}.live-feature{padding:26px 30px;background:#f3eddf;border-left:4px solid #a98a4f;margin:28px 0}.live-feature h3{font-family:'Noto Serif CJK JP','Yu Mincho',serif;font-size:27px;margin:0 0 10px}.live-feature p{margin:0 0 14px}.live-feature .kicker{font-size:12px}.archive-group{border-bottom:1px solid var(--line)}.archive-group summary{font-size:18px;padding:16px 4px}.archive-group summary>span{font-size:13px;color:var(--muted);margin-left:14px;font-weight:400}.archive-links{list-style:none;padding:0 4px 14px;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:0 28px}.archive-links li{border-top:1px dotted var(--line)}.archive-links a{display:block;padding:13px 0;font-size:15px}.service-section{padding-bottom:24px}.service-section>div{padding:20px 0;border-top:1px solid var(--line)}.service-section h3{font-size:20px;margin:0 0 12px}.service-section p{font-size:16px;max-width:690px}.service-section a{font-size:15px}.reading-jumps{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 20px}.reading-jumps a{font-size:13px;border-bottom:1px solid #9caf9c;text-decoration:none;padding:8px 0;margin-right:10px}.reading-scope{background:#f1f4ed;padding:4px 18px;margin:30px 0}.reading-scope summary{font-size:16px}.prose .reading-scope ul{font-size:16px;margin:8px 0 20px}.prose .point-label{font-size:13px;letter-spacing:.06em;color:#6f502d;font-weight:bold;border-top:2px solid #d5be91;margin-top:32px;padding:15px 0 0}.prose .point-label+p{border-left:3px solid #d5be91;padding-left:18px}.prose .clarification{font-size:16px;background:#f1f4ed;padding:18px 22px;border-left:3px solid #829b76;line-height:1.9}.mini-figure{margin:30px 0;padding:24px;background:#f6f0e3;border:1px solid #e5d8bf;border-radius:12px}.mini-figure figcaption{font-size:18px;font-weight:700;margin-bottom:24px}.mini-figure small{display:block;font-size:13px;line-height:1.8;color:var(--muted)}.prose .mini-figure p{font-size:17px;font-weight:700;margin:22px 0 12px}.ratio-row{display:grid;grid-template-columns:48px 1fr;gap:5px 14px;margin-bottom:20px;align-items:center}.ratio-row span{font-size:14px}.ratio-row i{display:block;background:#4e7863;height:13px;width:calc(var(--n) / 7.5 * 100%);border-radius:0 4px 4px 0}.balance{display:grid;grid-template-columns:1fr 65px 1fr;align-items:center;gap:8px;text-align:center;font-size:15px}.balance>div{border-block:2px solid #9fb398;padding:14px 3px}.balance>span{color:#74502c;font-size:13px;line-height:1.5}.balance strong{font-weight:600}.answer{padding:8px 20px;background:#edf3e9;margin:25px 0}.answer summary{padding:8px 0;margin-bottom:10px}.answer .mini-figure{background:#fffefa}.practice .service-link{font-size:14px;margin:23px 0 0}.prose .unlinked{color:var(--muted);font-size:15px}.prose h2{scroll-margin-top:25px}.article-heading{padding-bottom:16px}.article-heading h1{font-size:38px}.article-heading .subtitle{font-size:18px}.prose>h2:first-child{margin-top:32px}
@media(max-width:720px){.lab-intro{grid-template-columns:1fr;position:relative;gap:0;padding:25px 0}.lab-intro h1{font-size:32px;margin-bottom:14px}.intro-lead{font-size:16px;margin-bottom:20px}.lab-intro figure{display:none}.purpose-nav{gap:6px;padding:12px 0}.purpose-nav a{font-size:12px;padding:11px 3px}.hub-section{padding-top:34px}.hub-section h2{font-size:25px}.hub-section>p{font-size:16px}.guide-rows{margin-top:18px}.guide-rows a{padding:17px 0}.guide-rows strong{font-size:20px}.guide-rows small{font-size:14px}.print-grid{grid-template-columns:1fr;gap:0;margin:20px 0 14px}.print-grid a{font-size:14px}.print-grid strong{font-size:17px}.live-feature{padding:22px}.live-feature h3{font-size:23px}.live-feature p{font-size:15px}.archive-links{grid-template-columns:1fr;gap:0}.archive-group summary{font-size:16px}.archive-group summary>span{font-size:12px;margin-left:8px}.article-heading h1{font-size:29px}.article-heading .subtitle{font-size:16px}.reading-jumps{gap:7px;margin-bottom:16px}.reading-jumps a{font-size:12px;margin-right:3px}.prose .clarification{font-size:15px;padding:16px}.mini-figure{padding:18px}.mini-figure figcaption{font-size:17px}.balance{grid-template-columns:1fr 46px 1fr;font-size:13px;gap:4px}.balance>span{font-size:12px}.answer{padding:8px 16px}.prose .mini-figure p{font-size:15px}.ratio-row{grid-template-columns:42px 1fr}}
@media(min-width:721px){.lab-hub .guide-rows{max-width:820px}.lab-hub .byline img{width:46px}.lab-hub .hub-section+.hub-section{margin-top:16px}}
.live-feature .feature-sprig{float:right;width:120px;height:90px;object-fit:contain;margin:0 0 12px 15px}.live-feature:after{content:'';display:block;clear:both}@media(max-width:720px){.live-feature .feature-sprig{width:88px;height:66px;margin-left:8px}}

.legacy-label{display:inline-block;font-size:11px;line-height:1.6;padding:1px 6px;margin-left:8px;color:#5b665a;background:#ecefe5;border:1px solid #cbd4c4;border-radius:4px;vertical-align:middle;white-space:nowrap;text-decoration:none}