:root{color-scheme:light;--ink:#22252c;--muted:#515762;--quiet:#657080;--gold:#7c284b;--gold-soft:#ac9270;--page:#f6f4f8;--surface:#ffffff;--surface-raised:#edf2f6;--line:#cbd0d8;--control-border:#7b8190;--line-soft:#dde0e6;--radius:3px;--shell:1188px;--sidebar:280px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--serif:'Yu Mincho','Hiragino Mincho ProN','Noto Serif CJK JP',serif;--sans:'Noto Sans CJK JP','Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--page);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--gold)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--gold);outline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}img{display:block;max-width:100%;height:auto}h1,h2,h3,h4,p,ul,ol,figure{margin:0}ul,ol{padding-left:1.4em}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}.editorial-shell{width:min(var(--shell),calc(100% - 48px));margin-inline:auto;min-width:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;left:12px;top:-80px;padding:10px 16px;background:var(--gold);color:var(--page);z-index:100}.skip-link:focus{top:8px}.skip-link:hover{color:var(--page)}
.site-header{background:#101b20;border-bottom:1px solid var(--line);position:relative;z-index:5}.site-header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:24px;font-weight:700;letter-spacing:.02em}.site-brand img{width:27px;height:27px;object-fit:contain}.site-navigation{display:flex;align-items:center;gap:0}.site-navigation a{font-size:13px;line-height:1.35;padding:5px 18px;border-left:1px solid var(--line);white-space:nowrap}.site-navigation a:first-child{border:0}.site-navigation a[aria-current]{color:var(--gold)}.menu-toggle{display:none;color:var(--ink);background:transparent;border:1px solid var(--line);border-radius:var(--radius);min-height:44px;padding:8px 12px}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--gold-soft);padding-bottom:9px;margin-bottom:16px}.section-heading h2,.section-heading h3{font-size:26px;line-height:1.45;color:var(--gold);font-weight:600;letter-spacing:.015em}.section-more{color:var(--gold);font-size:13px;font-weight:600;white-space:nowrap;min-height:30px;display:inline-flex;align-items:center}.editorial-button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:9px 22px;border:1px solid var(--gold);border-radius:var(--radius);color:var(--gold);font-weight:700;font-size:14px;line-height:1.5;background:#102028}.editorial-button:hover{background:var(--gold);color:#101b20}.editorial-button--quiet{border-color:transparent;background:transparent;padding-inline:12px}.editorial-button--quiet:hover{background:var(--surface);color:var(--gold)}
.content-with-sidebar{display:grid;grid-template-columns:minmax(0,1fr) var(--sidebar);gap:32px;align-items:start}.editorial-sidebar{border-left:1px solid var(--line);padding-left:24px;min-width:0}.editorial-sidebar h2{font-size:20px;line-height:1.5;margin-bottom:6px}.sidebar-links{list-style:none;padding:0}.sidebar-links a{display:flex;align-items:center;min-height:41px;border-top:1px solid var(--line);font-size:14px}.sidebar-feature{display:block;position:relative;margin-top:12px;border-radius:var(--radius);overflow:hidden}.sidebar-feature img{width:100%;height:74px;object-fit:cover;filter:brightness(.67)}.sidebar-feature>span{position:absolute;top:24px;left:14px;font-weight:700;font-size:19px}.sidebar-feature strong{display:block;text-align:center;font-size:13px;line-height:1.4;padding:9px 10px;background:#edf0ef;color:#172128}
.module-hero{position:relative;isolation:isolate;min-height:240px;display:flex;align-items:center;overflow:hidden;background:#142329}.module-hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;filter:brightness(.55)}.module-hero-content{padding-block:44px}.module-hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(28px,3.1vw,44px);line-height:1.45;max-width:800px;text-wrap:balance}.module-hero-description{max-width:630px;margin-top:14px;font-size:15px}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--gold);margin-bottom:8px}.breadcrumbs{padding-block:16px;font-size:12px;color:var(--muted)}.breadcrumbs ol{display:flex;gap:16px;list-style:none;padding:0;flex-wrap:wrap}.breadcrumbs li+li{padding-left:16px;border-left:1px solid var(--line)}
.editorial-card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden}.editorial-card img{width:100%;object-fit:cover}.editorial-card-content{padding:20px}.editorial-card h2,.editorial-card h3{font-size:20px;line-height:1.6}.editorial-card p{color:var(--muted);margin-top:8px}.editorial-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);scrollbar-color:var(--quiet) var(--page)}.editorial-table{border-collapse:collapse;width:100%;text-align:left;font-size:14px;line-height:1.7}.editorial-table th,.editorial-table td{padding:14px 16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);vertical-align:middle}.editorial-table th:last-child,.editorial-table td:last-child{border-right:0}.editorial-table tr:last-child td,.editorial-table tr:last-child th{border-bottom:0}.editorial-table thead{background:#17242b;color:#e1e6e6}.editorial-table tbody tr:nth-child(odd){background:#1a282f}.editorial-table tbody tr:nth-child(even){background:#223037}.editorial-table strong{font-size:16px}.editorial-table small{font-size:12px;color:var(--muted)}.editorial-table td span,.editorial-table td small{display:block}.reading-body{max-width:760px;font-size:16px;line-height:1.95;overflow-wrap:anywhere}.reading-body p,.reading-body ul,.reading-body ol,.reading-body figure,.reading-body table{margin-block:0 24px}.reading-body h2{font-size:27px;color:var(--gold);border-bottom:1px solid var(--line);padding-bottom:12px;margin:40px 0 20px;line-height:1.5}.reading-body h3{font-size:21px;margin:28px 0 14px;line-height:1.55}.reading-body a{text-decoration:underline;text-underline-offset:4px;color:var(--gold)}.reading-body img{max-height:540px;object-fit:contain}.reading-body table{display:block;overflow:auto;border-collapse:collapse;width:100%}.reading-body td,.reading-body th{padding:12px;border:1px solid var(--line)}.reading-body blockquote{margin:24px 0;padding:16px 20px;border-left:1px solid var(--gold);background:var(--surface)}.editorial-note{font-size:13px;color:var(--muted);line-height:1.8}.editorial-stack{display:grid;gap:24px}.module-content{padding-block:24px 56px}.filter-bar{display:flex;flex-wrap:wrap;gap:12px;align-items:end;padding:20px;background:var(--surface);border:1px solid var(--line);margin-bottom:24px}.filter-bar label{display:grid;gap:6px;font-size:13px}.filter-bar input,.filter-bar select{background:var(--page);color:var(--ink);border:1px solid var(--control-border);border-radius:var(--radius);min-height:44px;padding:8px 12px}.empty-state{padding:32px;border:1px solid var(--line);background:var(--surface)}.pagination{display:flex;gap:10px;list-style:none;padding:0;flex-wrap:wrap;margin-block:24px}.pagination a,.pagination button{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--surface);color:var(--ink)}.pagination [aria-current]{border-color:var(--gold);color:var(--gold)}
.site-footer{border-top:1px solid var(--line);margin-top:36px;padding-block:24px 52px;font-size:12px;color:var(--muted)}.footer-inner{display:flex;gap:24px;align-items:center;flex-wrap:wrap}.footer-brand{font-size:17px;font-weight:700;color:var(--ink)}.footer-privacy{margin-left:auto}
@media(max-width:1100px){.site-brand{font-size:20px}.site-header-inner{gap:12px}.site-navigation a{font-size:12px;padding-inline:10px}.content-with-sidebar{gap:24px;grid-template-columns:minmax(0,1fr) 246px}.editorial-sidebar{padding-left:20px}}
@media(max-width:800px){.editorial-shell{width:calc(100% - 32px)}.site-header-inner{min-height:64px;flex-wrap:wrap;padding-block:9px}.site-brand{font-size:20px}.site-brand img{width:23px;height:23px}.menu-toggle{display:block;font-size:12px}.site-navigation{display:flex;flex-wrap:wrap;width:100%;gap:0;border-top:1px solid var(--line);padding-top:8px}.js .site-navigation{display:none}.js .site-navigation.is-open{display:flex}.site-navigation a{width:50%;padding:12px 8px;border:0;font-size:13px;min-height:44px}.content-with-sidebar{grid-template-columns:minmax(0,1fr);gap:24px}.editorial-sidebar{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.section-heading{gap:12px;margin-bottom:14px;padding-bottom:8px}.section-heading h2,.section-heading h3{font-size:22px}.section-more{font-size:11px;white-space:normal;max-width:135px;text-align:right;justify-content:flex-end;line-height:1.55}.module-hero{min-height:210px}.module-hero-content{padding-block:32px}.module-hero h1{font-size:28px}.module-hero-description{font-size:14px}.reading-body{font-size:15px;line-height:1.9}.reading-body h2{font-size:23px;margin-top:32px}.reading-body h3{font-size:19px}.footer-inner{gap:8px 18px}.footer-brand{font-size:16px}.footer-privacy{margin-left:0;width:100%;margin-top:8px}.site-footer{padding-bottom:32px}.editorial-table th,.editorial-table td{padding:12px}.filter-bar{padding:16px}.filter-bar label{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{body{background:#fff;color:#111}.site-header,.site-footer,.editorial-sidebar,.module-hero-image,.menu-toggle,.skip-link{display:none}.editorial-shell{width:100%}.content-with-sidebar{display:block}.reading-body{max-width:none}.reading-body a{color:#111}.section-heading h2,.reading-body h2{color:#111}}

/* Light editorial system verified in the desktop/mobile pilot. */
body{color-scheme:light;--ink:#22252c;--muted:#515762;--quiet:#657080;--gold:#7c284b;--gold-soft:#ac9270;--page:#f6f4f8;--surface:#ffffff;--surface-raised:#edf2f6;--line:#cbd0d8;--control-border:#7b8190;--line-soft:#dde0e6}
body .site-header{background:#fff;border-bottom-color:#ddd5df}
body .site-brand{color:#643b69}
body .site-footer{background:#ece7f0;color:var(--ink);border-color:#cdc4d4}
body .editorial-button{background:#7c284b;border-color:#7c284b;color:#fff}
body .editorial-button:hover{background:#5b1c38;border-color:#5b1c38;color:#fff}
body .editorial-button--quiet{background:transparent;color:#7c284b;border-color:transparent}
body .editorial-button--quiet:hover{background:#eadfe9;color:#5b1c38}
body ::selection{background:#ddc4d5;color:#29202c}

body .module-hero{min-height:220px;background:#ece7f0;color:#342338;display:grid;grid-template-columns:1fr 1fr;align-items:stretch;isolation:auto}
body .module-hero-image{position:static;grid-column:2;grid-row:1;width:100%;height:240px;object-fit:cover;object-position:center 35%;z-index:auto;filter:none}
body .module-hero-content{grid-column:1;grid-row:1;width:auto;margin:0;padding:32px max(24px,calc((100vw - 1188px)/2));padding-right:32px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
body .module-hero h1{font-size:34px;line-height:1.5;text-shadow:none}
body .module-hero-description{color:#515762;font-size:15px;line-height:1.8;margin-top:12px}
.module-hero-image-note{position:absolute;bottom:8px;right:16px;background:#ffffffed;color:#515762;padding:2px 8px;font-size:11px}
body .editorial-table thead{background:#edf2f6;color:#22252c}body .editorial-table tbody tr:nth-child(odd){background:#fff}body .editorial-table tbody tr:nth-child(even){background:#f2f5f8}
body .sidebar-feature>span{color:#fff}body .sidebar-feature strong{background:#fff;color:#643b69}
@media(max-width:800px){body .module-hero{display:flex;flex-direction:column-reverse;min-height:0}body .module-hero-image{height:180px}body .module-hero-content{padding:24px;width:100%}body .module-hero h1{font-size:28px}.module-hero-image-note{top:148px;bottom:auto}}

/* Shared shell for the reference-led 2026-10-05 redesign. */
:root,body{--ink:#252b35;--muted:#596372;--quiet:#657080;--gold:#7d2a50;--gold-soft:#d5dbe3;--page:#fafbfd;--surface:#fff;--surface-raised:#eef2f6;--line:#d5dbe3;--line-soft:#e4e8ee;--shell:1240px;--serif:'Noto Serif JP','Yu Mincho','Hiragino Mincho ProN','Noto Serif CJK JP',serif;--sans:'Noto Sans JP','Noto Sans CJK JP','Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,sans-serif}
body{font-size:16px}body .site-brand{font-family:var(--serif);color:var(--gold);font-size:27px;letter-spacing:.02em}body .site-header{border-bottom-color:var(--line)}.site-header-inner{min-height:86px;gap:22px}.site-brand img{width:32px;height:32px}.site-navigation a{font-size:13px;min-height:44px;padding:10px 15px;display:flex;align-items:center}.site-navigation a[aria-current]{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:13px}.section-heading h2{color:var(--ink)}.section-more{min-height:44px}body .site-footer{background:#eef2f6;color:var(--ink);border-color:var(--line);padding-block:32px}.footer-inner{align-items:baseline;gap:14px 24px}.footer-brand{font-family:var(--serif);color:var(--gold);font-size:21px}.footer-navigation{display:flex;flex-wrap:wrap;gap:4px 28px;width:100%;padding-block:12px;border-bottom:1px solid var(--line)}.footer-navigation a{display:inline-flex;align-items:center;min-height:44px;font-size:14px}.footer-privacy{margin-left:0}.footer-about,.footer-privacy{min-height:44px;display:inline-flex;align-items:center}body :focus-visible{outline:3px solid #005fcc;outline-offset:4px}body ::selection{background:#e7d5df;color:#252b35}input,textarea{caret-color:#7d2a50}html{scrollbar-color:#8893a3 #eef2f6}
@media(max-width:1180px){body .site-brand{font-size:22px}.site-brand img{width:28px;height:28px}.site-navigation a{font-size:12px;padding-inline:10px}.site-header-inner{gap:16px}}
@media(max-width:950px) and (min-width:801px){body .site-brand{font-size:20px}.site-brand{gap:6px}.site-navigation a{font-size:11px;padding-inline:7px}.site-header-inner{gap:10px}}
@media(max-width:800px){.editorial-shell{width:calc(100% - 40px)}.site-header-inner{min-height:68px;padding-block:10px;gap:8px 6px}body .site-brand{font-size:20px;gap:8px}.site-brand img{width:26px;height:26px}.menu-toggle{padding-inline:9px;font-size:12px}.site-navigation a{font-size:14px;padding:12px 8px}.site-navigation a[aria-current]{text-underline-offset:5px}.footer-navigation{gap:2px 20px}.footer-navigation a{font-size:13px}.footer-brand{font-size:19px}.footer-privacy{width:auto}.footer-inner{gap:8px 18px}.footer-inner>span{font-size:12px}}
@media(max-width:390px){body .site-brand{font-size:18px;gap:6px}.site-brand img{width:23px;height:23px}.site-header-inner{width:calc(100% - 28px)}}

/* Official Teikoku artwork has transparent white lettering on every surface. */
img[src$="/teikoku-official-logo.png"]{background:#801510}