/* The shared foundation. Legacy visual styles remain as historical sources, not linked layers. */
@layer foundation,navigation,catalogue,museum,utilities;
@layer foundation{
:root{--ink:#173039;--paper:#ffffff;--ground:#edf7fa;--muted:#465e63;--line:#8baeb6;--blue:#135e75;--red:#9c3823;--yellow:#f0d97d;--accent:#00677d;--shelf:#e9cfaa;--nav-bg:#f8fcfd;--sans:"Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;--serif:"Hiragino Mincho ProN","Yu Mincho",Georgia,serif}

*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:1.125rem;line-height:1.8}
h1,h2,h3,h4,p,figure,blockquote,dl{margin:0}
h1,h2,h3,h4{line-height:1.45;overflow-wrap:anywhere;text-wrap:pretty}
h1,h2{font-family:var(--serif)}
h1{font-size:clamp(2rem,4vw,3.5rem)}
h2{font-size:clamp(1.6rem,3vw,2.4rem)}
h3{font-size:1.45rem}
p,li,dd{overflow-wrap:anywhere}
p+p{margin-top:1em}
a{color:inherit;text-underline-offset:.22em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
a,button,summary{touch-action:manipulation}
button,input,select,textarea{font:inherit;color:inherit}
button,select{cursor:pointer}
button{border-radius:0}
button,input,select{max-width:100%}
input[type=search]{min-width:0}
svg{max-width:100%;height:auto}
img{display:block;max-width:100%;height:auto}
ul,ol{padding-left:1.5em}
li+li{margin-top:.45em}
summary{cursor:pointer;font-size:1rem;min-height:44px;padding:10px 0;font-weight:700}
details>p{margin:12px 0}
fieldset{min-width:0;margin:16px 0;border:1px solid var(--line);padding:16px}
legend{font-size:1rem;font-weight:700;padding:0 8px}
input[type=radio],input[type=checkbox]{width:20px;height:20px;accent-color:var(--blue)}
label:has(input[type=radio]),label:has(input[type=checkbox]){display:inline-flex;gap:10px;align-items:center;min-height:44px;padding:8px 12px}
:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.icon{width:24px;height:24px;flex:0 0 24px}
.small,.eyebrow,.notice,.storage-notice,figcaption{font-size:1rem;line-height:1.75}
.eyebrow{display:block;font-weight:800;letter-spacing:.06em}
.page-wrap{max-width:1280px;margin:28px auto 64px;padding:36px 42px 72px;color:var(--ink);background:var(--paper);border:1px solid #bfd5d9;border-radius:24px;box-shadow:0 12px 36px #1730390a}
.page-wrap.narrow{max-width:900px}
.page-intro,.catalogue-heading{padding:24px 0 30px;border-bottom:2px solid var(--ink);margin-bottom:30px}
.page-intro h1,.catalogue-heading h1{margin:10px 0 16px}
.page-intro>p,.catalogue-heading p{max-width:44em}
.text-link,.plain-button{display:inline-flex;align-items:center;min-height:44px;min-width:44px;padding:8px 0;font-size:1rem;font-weight:700;text-decoration:underline}
.plain-button{border:0;background:transparent}
.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:48px;padding:11px 20px;border:2px solid var(--ink);background:var(--ink);color:var(--paper);font-size:1rem;font-weight:800;text-decoration:none;line-height:1.6}
.button.outline,.button.cream{background:var(--paper);color:var(--ink)}
.button:disabled{opacity:.55;cursor:default}
.notice{padding:16px 20px;border-left:4px solid var(--blue);background:#e1ebea;margin:18px 0}
.empty-state{padding:40px 0}
.empty-state h2{margin:16px 0}
.empty-state .button{margin-top:20px}
.not-found{min-height:60vh}
.section-block{margin-top:44px}
.section-heading,.catalog-line{display:flex;align-items:end;justify-content:space-between;gap:24px;margin:30px 0 20px}
.policy-prose h2{margin:40px 0 14px}
.policy-prose p{font-size:1.125rem}
.dot-sep{margin:0 4px}

}

@layer navigation{
.site-header{background:var(--nav-bg);color:var(--ink);border-bottom:1px solid var(--line)}
.site-header :focus-visible{outline-color:var(--accent)}
.header-inner{display:flex;align-items:center;gap:28px;max-width:1440px;margin:auto;padding:10px 28px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:23px;font-weight:900;line-height:1.3}
.brand-mark{display:grid;place-items:center;width:40px;height:38px;color:var(--accent)}
.brand-mark svg{width:40px;height:34px}
.primary-navigation{display:flex;align-items:center;flex-wrap:wrap;gap:8px 22px;margin-left:auto}
.primary-navigation a{display:flex;align-items:center;flex-wrap:wrap;min-height:44px;padding:7px 0;font-size:1rem;font-weight:700;text-decoration:none}
.primary-navigation a[aria-current]{color:var(--accent);text-decoration:underline;text-decoration-thickness:2px}
.nav-label{overflow-wrap:anywhere}
.nav-save-count{font-size:1rem}
.utility-search{display:flex;align-items:center;gap:8px;min-height:44px;min-width:44px;padding:8px 0;text-decoration:none;font-size:1rem;font-weight:800}
.section-navigation,.article-exit-links,.article-entry-choices{display:flex;flex-wrap:wrap;gap:8px 24px}
.section-navigation{padding:0 0 24px;border-bottom:1px solid var(--line)}
.section-navigation a,.article-entry-choices a,.article-exit-links a{display:inline-flex;align-items:center;min-height:44px;min-width:44px;padding:8px 0;font-size:1rem;font-weight:700}
.page-location,.article-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:6px 12px;font-size:1rem}
.page-location a,.article-breadcrumb a{display:inline-flex;align-items:center;min-height:44px;min-width:44px}
.page-location{max-width:1280px;margin:10px auto 0;padding:0 32px;color:var(--ink)}
.page-location :focus-visible{outline-color:var(--accent)}
.article-return-row{margin:0 0 18px}
.article-return-row a{display:inline-flex;align-items:center;min-height:44px;font-size:1rem}
.site-footer{background:#e4f0f2;color:var(--ink);border-top:1px solid var(--line);padding:44px max(24px,calc((100vw - 1280px)/2))}
.footer-top{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.footer-brand{font:800 34px/1.4 var(--serif);text-decoration:none}
.footer-top p{font-size:1rem;margin-top:12px}
.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}
.footer-links a{display:flex;align-items:center;min-height:44px;font-size:1rem}
.footer-bottom{display:flex;justify-content:space-between;gap:24px;border-top:1px solid #9cbbb8;margin-top:30px;padding-top:20px}
.footer-bottom p{font-size:1rem}
.site-footer :focus-visible{outline-color:var(--accent)}

}

@layer catalogue{
.catalogue-heading{display:flex;align-items:center;justify-content:space-between;gap:24px}
.catalogue-count{display:flex;flex-direction:column;align-items:end}
.catalogue-count strong{font:800 clamp(64px,9vw,112px)/1 var(--serif)}
.catalogue-count span{font-size:1rem}
.catalog-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:30px 0 20px}
.catalog-heading h2{font-size:1.65rem}
.catalog-search{display:flex;flex:0 1 480px;gap:8px;min-width:0;width:100%;max-width:480px}
.catalog-search input{flex:1 1 0;min-width:0;padding:10px 12px;border:1px solid var(--ink);background:var(--paper);width:100%}
.catalog-search button{flex:0 0 auto;min-width:88px;white-space:nowrap}
.filter-bar,.tag-cloud,.popular-tags{display:flex;flex-wrap:wrap;gap:6px 12px;margin:20px 0}
.chip,.tag{display:inline-flex;align-items:center;min-height:44px;min-width:44px;padding:8px 12px;font-size:1rem;text-decoration:none;border:1px solid var(--line)}
.chip[aria-current],.chip.active{background:var(--ink);color:var(--paper);text-decoration:underline}
.result-count{font-size:1rem;margin:18px 0}
.article-grid{border-bottom:2px solid var(--ink)}
.catalogue-row{display:grid;grid-template-columns:160px minmax(0,1fr);gap:32px;padding:30px 0;border-top:1px solid var(--line);background:transparent}
.catalogue-marker{display:grid;grid-template-columns:1fr auto;align-content:start;gap:12px;color:var(--ink)}
.catalogue-marker .room-vignette{grid-column:1/-1;width:100%;aspect-ratio:3/4;object-fit:cover;border:1px solid #bfd5d9;border-radius:16px 16px 4px 4px;box-shadow:4px 4px 0 #e9cfaa}
.catalogue-marker>span{font:800 23px/1 var(--serif)}
.catalogue-marker strong{font:800 28px/1.2 var(--serif);color:var(--blue)}
.marker-rain strong,.marker-octopus strong{color:var(--red)}
.card-eyebrow{display:flex;align-items:center;flex-wrap:wrap;gap:6px 14px;font-size:1rem}
.category-dot{font-weight:800}
.format-pill,.member-pill{font-size:1rem}
.member-pill{border-bottom:2px solid var(--blue)}
.card-body h3{font:800 clamp(1.4rem,2.5vw,2rem)/1.5 var(--serif);margin:8px 0 12px}
.card-body h3 a{text-decoration:none}
.card-body h3 a:hover{text-decoration:underline}
.card-body>p{max-width:54em}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:18px}
.card-foot>span{font-size:1rem}
.save-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:44px;min-height:44px;padding:8px 12px;background:transparent;border:1px solid var(--ink);font-size:1rem}
.save-button[aria-pressed=true]{background:var(--ink);color:var(--paper)}
.save-label{display:inline}
.catalog-recommendations{margin-top:60px;padding-top:28px;border-top:5px solid var(--ink)}
.catalog-recommendations>p{margin-top:12px}
.shelf-editors{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:42px;margin:30px 0}
.shelf-feature h3,.shelf-note h3{font-family:var(--serif);margin:12px 0}
.shelf-feature h3{font-size:2rem}
.shelf-notes{padding-top:60px}
.shelf-note{border-top:1px solid var(--ink);padding:22px 0}
.shelf-note+.shelf-note{margin-top:28px}
.shelf-note.stall-octopus .media-photo{max-width:330px}
.stall-label,.stall-meta,.shelf-note>span{font-size:1rem}
.stall-enter,.topic-invitation a{display:inline-flex;align-items:center;min-height:44px;padding:10px 0;font-weight:800}
.editorial-shelves{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:30px 0 60px}
.editorial-shelves>section{border:1px solid #bfd5d9;border-bottom:8px solid #e9cfaa;border-radius:18px 18px 0 0;padding:24px;background:#f6faf7}
.editorial-shelves>section:nth-child(2){padding-top:60px;border-color:var(--red)}
.shelf-number{font:800 54px/1 var(--serif)}
.editorial-shelves h2{font-size:1.7rem;margin:18px 0}
.editorial-shelves p,.editorial-shelves ul{font-size:1rem}
.editorial-shelves a{display:inline-block;min-height:44px;padding:8px 0}
.reading-mode-links{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}
.reading-mode-links a{display:inline-flex;align-items:center;min-height:44px;padding:8px 16px;border:1px solid var(--ink);font-size:1rem;font-weight:700}
.reading-mode-links a[aria-current]{background:var(--ink);color:var(--paper)}
.explore-record{display:grid;grid-template-columns:110px minmax(0,1fr);gap:28px;border-top:1px solid var(--line);padding:28px 0}
.catalogue-spine{font:800 24px/1.6 var(--serif)}
.catalogue-spine .room-vignette{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:12px;border:1px solid #bfd5d9;margin-bottom:12px}
.explore-record h3{margin:8px 0 12px;font-family:var(--serif)}
.market-paths{margin:60px 0}
.exploration-path{border-top:2px solid var(--ink);padding:14px 0}
.exploration-path summary strong{display:block;font:800 26px/1.5 var(--serif)}
.path-reason{display:block;font-size:1rem;margin-top:8px}
.exploration-path ol{max-width:56em;margin:18px 0}
.exploration-path li>a{display:inline-flex;align-items:center;min-height:44px;font-weight:700}
.exploration-path li p{font-size:1rem}
.discovery-panel{display:flex;align-items:center;flex-wrap:wrap;justify-content:space-between;gap:28px;background:var(--yellow);padding:30px;margin:40px 0}
.discovery-result{flex:1 0 100%;border-top:2px solid var(--ink);padding-top:22px}
.discovery-result>a{display:block;font:800 26px/1.5 var(--serif);margin:12px 0}
.topic-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:36px}
.category-bay{grid-column:span 7;border:1px solid #bfd5d9;border-bottom:8px solid #e9cfaa;border-radius:24px 24px 0 0;padding:22px;background:#f5faf8}
.category-bay:nth-child(2n){grid-column:span 5;margin-top:64px}

.topic-card{display:block;min-height:44px;text-decoration:none}
.topic-card .room-vignette{width:100%;height:200px;object-fit:cover;border-radius:20px;border:1px solid #bfd5d9;margin-bottom:20px}
.topic-number{font:800 40px/1.3 var(--serif)}
.topic-card h2{font-size:clamp(28px,4vw,46px);margin:12px 0}
.topic-card>span:last-child{font-size:1rem;text-decoration:underline}
.category-bay ul{list-style:none;padding:0;margin:20px 0}
.category-bay li{border-bottom:1px solid var(--line)}
.category-bay li a{display:flex;align-items:center;min-height:44px;padding:10px 0;font-weight:700}
.category-bay>p{font-size:1rem;max-width:34em}
.field-observation{font:800 clamp(24px,3.5vw,40px)/1.65 var(--serif);max-width:26em;margin:32px 0 44px;padding-left:24px;border-left:6px solid var(--blue)}
.search-form{margin:26px 0}
.search-field{display:flex;align-items:center;gap:12px;border-bottom:3px solid var(--ink);padding:10px 0}
.search-field input{width:100%;background:transparent;border:0;padding:12px 0;font-size:1.25rem}
.search-tools{display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;margin-top:16px;font-size:1rem}
.search-tools select{min-height:44px;padding:8px 12px;background:var(--paper);border:1px solid var(--ink)}
.popular-tags{align-items:center;font-size:1rem}
.favorites-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px}
.library-book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,220px),1fr));gap:36px 24px;margin:28px 0 40px;border:0}
.library-book{--cover:#245e78;display:flex;flex-direction:column;min-width:0;border-bottom:8px solid var(--shelf);padding:0 6px 12px}
.book-moon{--cover:#354e78}.book-rain{--cover:#336b5c}.book-octopus{--cover:#8c443e}.book-sky{--cover:#255c8b}.book-sound{--cover:#66547f}
.library-book-cover{display:flex;flex:1;flex-direction:column;min-height:282px;padding:20px 20px 24px;border:1px solid #cbdcdd;border-left:9px solid var(--cover);border-radius:3px 14px 14px 3px;background:#fcfdf9;color:var(--ink);box-shadow:4px 4px 0 #d6e1df;text-decoration:none}
.book-accession{font-size:1rem;color:var(--cover);font-weight:800}
.book-cover-glyph{font:800 52px/1.2 var(--serif);color:var(--cover);margin:20px 0}
.library-book h3{font:800 22px/1.65 var(--serif);margin:0 0 18px}
.book-open{font-size:1rem;margin-top:auto;text-decoration:underline;font-weight:700}
.library-book-cover:hover h3{text-decoration:underline}
.book-endpaper{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding-top:16px}
.book-endpaper>a{display:inline-flex;align-items:center;min-height:44px;font-size:1rem}
.library-heading-mark{display:grid;place-items:center;width:86px;height:110px;border:2px solid #4f8c73;border-left:10px solid #4f8c73;border-radius:3px 18px 18px 3px;font:800 40px var(--serif);color:#28614c;background:#f3f9f4}
.shelf-empty{display:flex;align-items:center;gap:28px;border-bottom:12px solid var(--shelf);padding:28px 24px;background:#f6faf7;margin:24px 0}
.shelf-empty a{display:inline-flex;align-items:center;min-height:44px;font-weight:800}
.empty-book{display:grid;place-items:center;flex:0 0 90px;height:120px;border:2px dashed #709487;border-radius:4px 14px 14px 4px;color:#356553;font-size:36px}
.shelf-empty h3,.shelf-empty h2{font:800 24px/1.6 var(--serif);margin-bottom:12px}
.storage-notice{max-width:54em;margin:18px 0}

}

@layer museum{
.article-wrap{max-width:1280px}
.article-header{display:flow-root;max-width:1080px;margin:24px auto 40px;border-top:1px solid var(--line);padding-top:22px}
.article-room-door{float:right;width:240px;max-width:32%;margin:0 0 24px 32px;background:#eef7f9;color:var(--ink);border:1px solid #bfd5d9;border-radius:20px}
.article-room-door .room-vignette{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px 20px 0 0}
.article-room-door figcaption{padding:14px;font-size:1rem}
.article-room-door figcaption span{display:block;color:var(--blue);font-weight:800}
.article-room-door small{display:block;font-size:1rem;margin-top:8px}
.exhibit-ticket{font-size:1rem;font-weight:800;margin-bottom:18px}
.exhibit-ticket a{display:inline-flex;align-items:center;min-height:44px}
.article-header h1{font-size:clamp(2rem,4.6vw,3.9rem);max-width:20em;margin:16px 0 24px}
.article-dek{max-width:42em;font-size:1.25rem;line-height:1.85}
.article-meta{display:flex;align-items:center;justify-content:space-between;gap:22px;margin-top:28px;font-size:1rem}
.sample-pill{font-size:1rem}
.article-figure,.topic-reader-entry,.map-reader-entry,.projection-comparison{max-width:1080px;margin:32px auto}
.map-reader-entry,.topic-entry-copy{border-block:1px solid var(--line);padding:20px 0}
.map-reader-entry>p,.topic-entry-copy>p{max-width:44em}
.topic-entry-kicker{font-weight:800;font-size:1rem}
.article-entry-choices{margin-top:12px}
.topic-role-guide{padding:26px 0;border-block:2px solid var(--red);margin:36px 0}
.topic-role-guide .editorial-media{max-width:640px;margin:24px auto}
.topic-role-guide>a{display:inline-flex;align-items:center;min-height:44px}
.editorial-media{margin:24px 0}
.editorial-media svg{display:block;width:100%}
.media-photo{width:100%;background:var(--paper)}
.media-photo picture{display:block}
.media-photo img{width:100%;height:auto;object-fit:contain}
.media-photo figcaption{padding:12px 0;background:var(--paper);color:var(--ink);font-size:1rem;line-height:1.75}
.article-layout{display:grid;grid-template-columns:220px minmax(0,760px);justify-content:center;gap:48px;align-items:start;margin-top:52px}
.article-toc{position:sticky;top:20px;max-height:calc(100svh - 40px);overflow:auto;border:1px solid #bfd5d9;border-left:4px solid #4f8c73;border-radius:12px;padding:20px 16px;font-size:1rem;background:#edf5ef;color:var(--ink)}
.article-toc :focus-visible{outline-color:var(--accent)}
.article-toc h2{font:800 1.2rem/1.6 var(--sans);margin:10px 0}
.article-toc ol{padding-left:1.5em}
.article-toc a{overflow-wrap:anywhere;display:inline-block;min-height:44px;padding:8px 0}
.toc-source-link{font-weight:700}
.verified-label{font-size:1rem;margin-top:18px}
.verified-label .icon{vertical-align:middle}
.article-prose{min-width:0}
.takeaway{background:var(--ink);color:var(--paper);padding:28px 32px;margin-bottom:44px}
.takeaway p{font:800 26px/1.75 var(--serif);margin-top:10px}
.prose-section{margin:56px 0;padding-top:28px;border-top:1px solid var(--line)}
.section-number{display:block;color:var(--red);font-size:1rem;font-weight:800;letter-spacing:.08em;margin-bottom:12px}
.prose-section h2{font-size:clamp(26px,3vw,36px);margin:12px 0 22px}
.article-prose .prose-section p{font-size:1.125rem;line-height:1.9}
.section-evidence{border-left:3px solid var(--blue);padding:10px 0 10px 20px;margin:24px 0;font-size:1rem}
.section-evidence strong{font-size:1rem}
.section-evidence ul{list-style:none;padding:0}
.section-evidence a{display:inline-block;min-height:44px;padding:8px 0;font-size:1rem}
.editorial-inference{font-size:1rem}
.reading-experience{margin:40px 0;background:#e1ebea;padding:26px;border-left:6px solid var(--blue)}
.reading-experience h2{font-size:1.65rem;margin:10px 0 18px}
.reading-kicker,.reading-evidence{font-size:1rem}
.reading-kicker{font-weight:800}
.reading-steps{padding-left:1.5em}
.reading-steps li{padding:10px 0}
.reading-steps h3,.reading-pairs dt{font:800 1.125rem/1.7 var(--sans)}
.reading-pairs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:24px 0}
.reading-pairs>div{border-top:2px solid var(--blue);padding-top:12px}
.reading-pairs dd{margin:10px 0}
.experience-map-purpose .reading-pairs{grid-template-columns:1fr}
.reading-conclusion{border-top:2px solid var(--blue);padding-top:18px}
.reading-conclusion strong,.reading-next span,.reading-depth-note strong{display:block}
.reading-next{margin:20px 0}
.reading-experience a{display:inline-block;min-height:44px;padding:8px 0;font-size:1rem}
.reading-scope,.reading-depth-note{border-left:4px solid var(--blue);padding-left:18px;margin:24px 0}
.reading-source-details{margin-top:18px}
.reading-source-details p{font-size:1rem}
.deep-section{margin:52px 0}
.deep-section>h2{font-size:1.8rem;margin:12px 0 22px}
.comparison-scroll{overflow:auto;border-block:2px solid var(--ink);margin:20px 0}
table{border-collapse:collapse;width:100%;font-size:1rem}
caption{text-align:left;padding:14px 0;font-weight:800}
th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
thead th{background:#e1ebea}
th[scope=row]{font-weight:800}
.comparison-scroll table{min-width:560px}
.research-timeline ol{list-style:none;padding:0;border-left:3px solid var(--blue);margin:26px 0}
.research-timeline li{padding:10px 0 30px 24px}
.research-timeline time{font:800 30px/1.4 var(--serif)}
.timeline-kind{display:block;font-size:1rem}
.research-timeline h3{font-family:var(--serif);margin:12px 0}
.research-timeline p{margin:12px 0}
.practical-box,.open-question{padding:24px 0;border-block:2px solid var(--red);margin:40px 0}
.practical-box h2,.open-question h2{font-size:1.7rem;margin:10px 0 16px}
.knowledge-bridges{margin:60px 0;border-top:6px solid var(--ink);padding-top:24px}
.knowledge-bridges>h2{margin:14px 0}
.bridge-note{font-size:1rem}
.knowledge-bridge{display:block;border-top:1px solid var(--line);padding:26px 0;margin-top:24px;text-decoration:none}
.knowledge-bridge h3{font:800 26px/1.6 var(--serif);margin:12px 0}
.knowledge-bridge h3,.bridge-destination{text-decoration:underline}
.bridge-categories,.bridge-destination{font-size:1rem}
.bridge-destination{display:block;margin-top:18px}
.source-box{background:#e9f4f8;color:var(--ink);border:1px solid #8baeb6;padding:30px;margin:50px 0 24px}
.source-box a{color:var(--blue);display:inline-block;min-height:44px;padding:8px 0}
.source-box :focus-visible{outline-color:var(--accent)}
.source-title{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.source-title h2{font-size:1.7rem}
.source-box ol,.source-box>p{font-size:1rem}
.source-box li span{display:block;font-weight:800}
.verification-note{border-top:1px solid #9cbbb8;margin-top:24px;padding-top:18px}
.editorial-history{font-size:1rem;border-block:1px solid var(--line);padding:10px 0}
.editorial-history dl{display:grid;grid-template-columns:120px 1fr;gap:18px;margin:20px 0}
.editorial-history dd{margin:0}
.editorial-history ol{font-size:1rem}
.article-tags{margin:28px 0}
.article-end{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0}
.article-explore-end{margin-top:60px;padding-top:28px;border-top:5px solid var(--ink)}
.article-explore-end>p{margin:18px 0;font-size:1rem}
.article-pagination{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin:30px 0}
.article-pagination a{display:flex;flex-direction:column;gap:10px;border-top:2px solid var(--blue);padding:18px 0;text-decoration:none;min-height:44px}
.article-pagination span{font-size:1rem}
.article-pagination strong{font:800 25px/1.6 var(--serif);overflow-wrap:anywhere;text-decoration:underline}
.next-article{grid-column:2}
.article-exit-links{border-top:1px solid var(--line);padding-top:18px}
.projection-comparison,.mechanism-diagram{border-block:3px solid var(--blue);padding:26px 0;margin:36px auto;background:var(--paper)}
.projection-question,.projection-prediction,.projection-result{padding:20px}
.projection-question h2{font-size:clamp(24px,3vw,36px);margin:10px 0}
.projection-prediction label{display:flex;min-height:44px}
.projection-workbench-title{font-size:1.5rem;padding:20px}
.projection-controls{padding:16px 20px;display:flex;flex-wrap:wrap;gap:12px}
.projection-controls fieldset{flex:1 1 240px}
.projection-status{font-size:1rem;margin:14px 20px}
.projection-panels,.sound-channels{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:20px}
.projection-panel{min-width:0;border-top:2px solid var(--blue);padding-top:16px}
.projection-panel svg{display:block;width:100%;height:auto}
.projection-panel>p,.projection-panel figcaption{font-size:1rem}
.projection-panel h3{font-size:1.3rem}
.projection-map-legend{display:flex;flex-wrap:wrap;gap:12px;font-size:1rem}
.projection-map-legend span{display:inline-flex;align-items:center;gap:6px}
.projection-map-legend i{display:inline-block;width:16px;height:16px}
.projection-result{border-top:3px solid var(--blue);margin:20px;background:#e1ebea}
.projection-result h3{font-size:1.6rem;margin:12px 0}
.projection-evidence-details{font-size:1rem;padding:20px}
.projection-comparison>figcaption,.mechanism-diagram>.diagram-caption{padding:20px;font-size:1rem}
.mechanism-diagram>figcaption,.mechanism-diagram>h2{padding:20px}
.mechanism-diagram svg{display:block;width:100%}
.sound-channel{border-top:5px solid var(--blue);padding-top:18px}
.sound-channel h3,.sound-channel p{margin:12px 0}
.channel-label,.observation-label,.diagram-evidence,.not-established,.unresolved-field{font-size:1rem}
.diagram-evidence a{display:inline-block;min-height:44px;padding:8px 0}
.rain-experiment{margin:28px 20px}
.diagram-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:20px}
.diagram-step>span{font:800 48px/1 var(--serif)}
.diagram-step h3{margin:12px 0}
.diagram-step p{font-size:1rem}
.heart-equation{display:flex;justify-content:center;align-items:center;gap:24px}
.heart-equation b{font:800 86px/1.4 var(--serif)}
.heart-equation i{font-size:32px;font-style:normal}
.heart-roles{display:flex;justify-content:space-around;font-size:1.125rem}
.member-gate{background:#e1ebea;padding:28px;margin:36px 0}
.member-gate h2{font-size:1.7rem;margin:18px 0}
.member-gate p.small{font-size:1rem}
.demo-notice{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.membership-banner,.plan-card{padding:30px;border-top:5px solid var(--ink);margin:30px 0}
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.price{font:800 56px/1.6 var(--serif)}
.membership-faq{margin:40px 0}
.membership-faq details{border-top:1px solid var(--line)}
.timeline article{border-top:2px solid var(--ink);padding:30px 0}
.timeline h2{margin:12px 0}
.timeline time{font-size:1rem}

}

@layer utilities{
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.skip-link{position:absolute;top:8px;left:16px;padding:12px 18px;background:var(--yellow);color:var(--ink);z-index:100}
.skip-link:not(:focus){width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%)}
.toast{position:fixed;bottom:20px;left:50%;translate:-50% 0;max-width:calc(100% - 32px);width:max-content;background:var(--ink);color:var(--paper);padding:12px 18px;font-size:1rem;opacity:0;pointer-events:none;z-index:20}
.toast.visible{opacity:1}
dialog{max-width:min(600px,calc(100vw - 32px));padding:28px;background:var(--paper);color:var(--ink);border:3px solid var(--ink)}
dialog::backdrop{background:rgb(10 28 38 / .75)}
dialog h2{font-size:1.8rem;margin:18px 0}
dialog .button{margin-top:20px}
.dialog-close{position:static;display:flex;justify-content:center;margin-left:auto;width:auto;min-width:44px;min-height:44px;padding:8px 14px;border:1px solid var(--ink);background:transparent;font-size:1rem}
dialog .note{font-size:1rem;margin-top:20px}
[hidden]{display:none!important}

}

@media(max-width:1000px){.header-inner{gap:18px;padding-inline:24px}
.brand{font-size:21px}
.primary-navigation{gap:8px 16px}
.article-layout{grid-template-columns:180px minmax(0,1fr);gap:28px}
.article-header h1{font-size:clamp(32px,5vw,48px)}
.editorial-shelves{gap:24px}
}

@media(max-width:760px){.header-inner{display:grid;grid-template-columns:1fr auto;gap:0 20px;padding:8px 16px 0}
.brand{font-size:21px;min-height:44px}
.brand-mark{width:32px;height:32px;font-size:20px}
.primary-navigation{grid-column:1/-1;grid-row:2;margin:0;justify-content:space-between;gap:0 12px;border-top:1px solid var(--line)}
.utility-search{grid-column:2;grid-row:1}
.primary-navigation a{font-size:1rem;min-height:44px}
.page-wrap{padding:24px 24px 48px;margin:20px 12px 40px}
.page-location{padding:0 20px}
.catalogue-heading{align-items:start}
.catalogue-heading h1{font-size:2.2rem}
.catalogue-count strong{font-size:72px}
.catalogue-row{grid-template-columns:100px minmax(0,1fr);gap:20px}
.catalogue-marker strong{font-size:28px}
.card-body h3{font-size:1.5rem}
.shelf-editors{grid-template-columns:1fr;gap:24px}
.shelf-notes{padding-top:0;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.shelf-note+.shelf-note{margin:0}
.editorial-shelves{grid-template-columns:1fr;gap:26px}
.editorial-shelves>section:nth-child(2){padding-top:18px}
.editorial-shelves>section{display:grid;grid-template-columns:75px 1fr;gap:8px 20px}
.editorial-shelves h2{margin:0;grid-column:2}
.editorial-shelves p,.editorial-shelves ul{grid-column:2}
.editorial-shelves .shelf-number{grid-column:1;grid-row:1/4}
.category-bay,.category-bay:nth-child(2n){grid-column:1/-1;margin-top:0}
.article-layout{display:block}
.article-toc{position:static;max-height:none;overflow:visible;padding:20px;margin-bottom:32px}
.article-toc ol{columns:2;column-gap:30px}
.article-prose{max-width:760px}
.source-box{padding:24px}
.article-pagination{grid-template-columns:1fr}
.article-pagination .next-article{grid-column:auto}
.article-header{margin-top:18px}
.article-room-door{float:none;display:grid;grid-template-columns:100px minmax(0,1fr);width:100%;max-width:none;margin:0 0 24px;border-radius:0}
.article-room-door .room-vignette{height:100%;min-height:120px;aspect-ratio:auto;border-radius:12px 0 0 12px}
.article-room-door small{margin-top:4px}
.article-header h1{font-size:2.25rem}
.article-dek{font-size:1.125rem}
.article-meta{flex-wrap:wrap}
.article-prose .prose-section p{font-size:1.125rem;line-height:1.9}
.footer-top{grid-template-columns:1fr;gap:30px}
.footer-bottom{flex-direction:column}
.footer-bottom p+p{margin:0}
.reading-pairs{grid-template-columns:1fr}
.projection-panels,.sound-channels{grid-template-columns:1fr}
.plan-grid{grid-template-columns:1fr}
}

@media(max-width:480px){.page-wrap{padding-inline:16px;border-width:1px;margin-inline:8px}
.primary-navigation{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}
.shelf-empty{display:block;padding:22px 16px}
.empty-book{width:64px;height:84px;margin-bottom:18px}
.library-heading-mark{width:56px;height:78px;flex:0 0 56px;font-size:28px}
.library-book-grid{grid-template-columns:minmax(0,1fr);gap:24px}
.page-location{padding-inline:16px}
.catalogue-heading{gap:12px}
.catalogue-count strong{font-size:56px}
.catalogue-row{grid-template-columns:72px minmax(0,1fr);gap:16px}
.catalogue-marker{gap:12px;grid-template-columns:1fr}
.catalogue-marker strong{font-size:23px}
.catalogue-marker>span{font-size:20px}
.card-body h3{font-size:1.4rem}
.card-foot{align-items:start;flex-direction:column;gap:12px}
.catalog-heading{display:block}
.catalog-search{margin-top:20px}
.shelf-notes{display:block}
.shelf-note+.shelf-note{margin-top:26px}
.explore-record{grid-template-columns:52px minmax(0,1fr);gap:16px}
.catalogue-spine{font-size:19px}
.catalog-line{display:block}
.catalog-line p{margin-top:12px}
.article-toc ol{columns:auto}
.article-header h1{font-size:2rem}
.article-meta{display:block}
.article-meta .save-button{margin-top:18px}
.article-pagination strong{font-size:23px}
.takeaway{padding:22px}
.takeaway p{font-size:24px}
.reading-experience{padding:20px 16px}
.reading-experience h2{font-size:1.5rem}
.editorial-history dl{grid-template-columns:1fr;gap:8px}
.editorial-history dd{margin-bottom:16px}
.source-box{padding:22px 18px}
.source-title{align-items:start}
.source-title h2{font-size:1.5rem}
.projection-question,.projection-prediction,.projection-workbench-title{padding:16px}
.projection-controls{padding:12px}
.projection-panels,.sound-channels{padding:14px}
.projection-result{padding:18px;margin:14px}
.diagram-steps{grid-template-columns:1fr}
.search-field{gap:8px}
.search-field .icon{display:none}
.search-field input{font-size:1rem}
.search-field .button{padding-inline:14px}
.tag-cloud{gap:6px}
.favorites-toolbar{flex-wrap:wrap}
.footer-brand{font-size:28px}
.footer-links{column-gap:16px}
.site-footer{padding:32px 20px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*,*::before,*::after{animation:none!important;transition:none!important}
}

@media(forced-colors:active){:focus-visible{outline:3px solid Highlight}
.button,.save-button,.chip,.reading-experience,.source-box{border:1px solid CanvasText}
}

@media print{.site-header,.site-footer,.article-toc,.save-button,.toast,.skip-link{display:none}
.page-wrap{max-width:none;padding:0}
.article-layout{display:block}
.source-box{background:white;color:black;border:1px solid black}
.source-box a{color:black}
}

/* Saved records retain a direct path back to evidence, not a manufactured visit history. */
.card-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px}.catalogue-source{display:inline-flex;align-items:center;min-height:44px;font-size:1rem}

.footer-top small{font-size:1rem;line-height:1.75}

@media(max-height:500px){.article-toc{position:static;max-height:none;overflow:visible}}

/* A single selected article projection occupies the whole comparison width. */
.projection-panels:has(>[hidden]){grid-template-columns:minmax(0,1fr)}

.world-art-note{max-width:34em;font-size:1rem}
@media(forced-colors:active){.page-wrap,.article-toc,.source-box,.article-room-door{border-color:CanvasText;box-shadow:none}.site-header :focus-visible,.page-location :focus-visible,.site-footer :focus-visible,.article-toc :focus-visible,.source-box :focus-visible{outline-color:Highlight}}