:root{--ink:#162738;--blue:#204db6;--paper:#fff;--mist:#f0f4fa;--line:#d5dce5;--muted:#536579;--accent:#c84622;--serif:'Yu Mincho','Hiragino Mincho ProN',serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,'Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif;font-size:16px;line-height:1.9}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:5px}button{font:inherit}a:hover{color:var(--blue)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.wrap{max-width:1240px;margin:auto;padding:0 40px}.prototype{background:var(--ink);color:white;font-size:13px;line-height:1.6}.prototype .wrap{display:flex;justify-content:space-between;padding-top:8px;padding-bottom:8px;gap:12px}.prototype a:hover{color:#aecbff}.skip{position:absolute;left:12px;top:-100px;background:white;padding:8px;z-index:20}.skip:focus{top:8px}header{border-bottom:1px solid var(--line)}.header{min-height:104px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{text-decoration:none;white-space:nowrap}.brand strong{font-family:Georgia,serif;font-size:27px;letter-spacing:-.8px;display:block;line-height:1.1}.brand small{font-size:12px;letter-spacing:.14em;display:block;margin-top:10px}.nav{display:flex;gap:24px;align-items:center}.nav a{text-decoration:none;font-size:14px;font-weight:600;padding:8px 0}.nav a[aria-current=page]{border-bottom:2px solid var(--blue);color:var(--blue)}.menu-button{display:none;border:1px solid var(--line);background:white;padding:8px 12px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--blue);margin:0 0 20px;line-height:1.6}.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:64px;align-items:center;padding-top:65px;padding-bottom:62px}.hero h1{font-family:var(--serif);font-size:clamp(32px,4vw,51px);line-height:1.55;font-weight:600;letter-spacing:.02em;margin:0 0 22px}.hero .lead{max-width:36em;color:var(--muted);margin:0 0 30px;font-size:17px}.button{display:inline-flex;align-items:center;gap:24px;padding:12px 22px;background:var(--blue);color:white;text-decoration:none;font-size:15px;font-weight:600}.button:hover{background:#163788;color:white}.text-link{font-size:15px;font-weight:600}.hero-links{display:flex;align-items:center;gap:25px;flex-wrap:wrap}.blueprint{border:1px solid #bed0ec;background-color:#f5f8ff;background-image:linear-gradient(#204db608 1px,transparent 1px),linear-gradient(90deg,#204db608 1px,transparent 1px);background-size:22px 22px;padding:28px}.blueprint .plan-label{font-family:monospace;font-size:12px;color:var(--blue);display:flex;justify-content:space-between;margin-bottom:24px}.diagram-policy{border:1px solid #9ab0d5;background:white;text-align:center;font-size:14px;padding:10px;font-weight:600}.diagram-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.diagram-grid a{padding:17px 14px;background:white;border:1px solid #bed0ec;text-decoration:none;font-size:16px;font-weight:700;min-height:115px}.diagram-grid a:hover{background:#e7efff}.diagram-grid small{display:block;font-weight:400;font-size:13px;margin-top:8px;line-height:1.7;color:var(--muted)}.diagram-base{border-top:1px solid #9ab0d5;padding-top:16px;font-size:14px;text-align:center;color:var(--blue)}.section{padding-top:55px;padding-bottom:60px;border-top:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:26px}.section-head h2{font-family:var(--serif);font-size:28px;margin:0;line-height:1.55}.section-head p{font-size:14px;color:var(--muted);margin:0}.feature{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;border-left:4px solid var(--blue);padding:10px 0 10px 30px}.feature h3{font-size:27px;line-height:1.6;margin:8px 0 16px}.feature p{color:var(--muted);margin:0 0 18px}.tag{font-size:12px;letter-spacing:.08em;color:var(--blue);background:var(--mist);padding:5px 9px}.steps-mini{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-content:center}.steps-mini span{padding:15px;border:1px solid var(--line);font-size:14px}.steps-mini b{color:var(--blue);margin-right:8px;font-family:Georgia,serif;font-size:20px}.topic-list{display:grid;grid-template-columns:1fr 1fr;column-gap:50px}.topic{display:grid;grid-template-columns:36px 1fr 20px;gap:12px;padding:24px 0;border-top:1px solid var(--line);text-decoration:none}.topic:last-child:nth-child(odd){grid-column:1/-1}.topic .num{font-family:Georgia,serif;color:var(--blue);font-size:21px}.topic h3{font-size:19px;margin:0 0 6px;line-height:1.6}.topic p{font-size:14px;color:var(--muted);margin:0}.mission{background:var(--ink);color:white;padding:48px}.mission h2{font-family:var(--serif);font-size:29px;margin:0 0 16px;line-height:1.7}.mission p{color:#c9d5e0;max-width:760px}.mission a:hover{color:#aecbff}.footer{margin-top:50px;padding-top:35px;padding-bottom:35px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:13px;color:var(--muted)}.footer p{margin:0}.breadcrumb{font-size:13px;padding-top:28px;color:var(--muted)}.page-intro{max-width:880px;padding:45px 0 48px}.page-intro h1{font-family:var(--serif);font-size:clamp(30px,4vw,44px);line-height:1.55;margin:0 0 22px}.page-intro .lead{font-size:18px;color:var(--muted)}.body-grid{display:grid;grid-template-columns:minmax(0,820px) 240px;gap:60px}.prose{min-width:0;font-size:17px;line-height:2}.prose h2{font-size:25px;line-height:1.65;margin:56px 0 22px;padding-top:28px;border-top:1px solid var(--line)}.prose h3{font-size:20px;line-height:1.7;margin-top:34px}.prose p{margin:20px 0}.prose li{margin:10px 0}.prose ul,.prose ol{padding-left:1.6em}.prose strong{font-weight:700}.prose table{font-size:15px;line-height:1.85;border-collapse:collapse;width:100%;margin:26px 0}.prose th,.prose td{text-align:left;vertical-align:top;padding:16px;border-bottom:1px solid var(--line)}.prose th{background:var(--mist);font-weight:600}.prose td:first-child{width:27%;font-weight:600}.prose figure{margin:30px 0}.prose figure img{width:100%;height:auto}.prose figcaption{font-size:13px;color:var(--muted)}.side{padding-top:8px}.side-inner{position:sticky;top:24px;border-top:3px solid var(--blue);padding-top:16px}.side h2{font-size:14px;margin:0 0 12px}.side a{display:block;text-decoration:none;font-size:14px;margin:12px 0;line-height:1.8}.side .side-note{font-size:13px;color:var(--muted);margin-top:26px}.note{background:var(--mist);border-left:3px solid var(--blue);padding:18px 24px;font-size:14px;margin:30px 0}.related{margin-top:48px;padding:28px;background:var(--mist)}.related h2{font-size:19px;margin:0 0 14px;padding:0;border:0}.related a{display:block;margin:10px 0}.pillar-row{display:grid;grid-template-columns:75px 1fr;gap:20px;padding:28px 0;border-top:1px solid var(--line)}.pillar-row .big-number{font-family:Georgia,serif;font-size:40px;color:var(--blue);line-height:1.5}.pillar-row h2{margin:0 0 10px;font-size:22px}.pillar-row p{margin:0;color:var(--muted)}.outline-list{list-style:none;padding:0;margin:0}.outline-list li{border-top:1px solid var(--line);padding:24px 0}.outline-list h3{margin:0 0 10px;font-size:21px}.outline-list p{margin:10px 0;font-size:16px;color:var(--muted)}.status{display:inline-block;font-size:12px;color:var(--muted);border:1px solid var(--line);padding:2px 8px;margin-bottom:10px}.reading-order{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.reading-order a{border-top:3px solid var(--blue);text-decoration:none;padding-top:16px}.reading-order small{color:var(--blue);font-size:13px}.reading-order h3{font-size:20px;margin:9px 0}.reading-order p{font-size:14px;color:var(--muted)}.section-title{font-size:24px;margin:0 0 28px}.quiet{color:var(--muted)}.review-note{font-size:14px;background:var(--mist);padding:20px 24px}
@media(min-width:1440px){.hero{gap:95px}}
@media(max-width:1040px){.nav{gap:15px}.nav a{font-size:13px}.hero{gap:35px}.body-grid{grid-template-columns:minmax(0,1fr) 200px;gap:35px}}
@media(max-width:820px){.wrap{padding-left:24px;padding-right:24px}.header{min-height:90px;position:relative;flex-wrap:wrap}.brand strong{font-size:24px}.menu-button{display:block}.nav{display:none;width:100%;padding:0 0 24px;flex-wrap:wrap;gap:14px 24px}.nav.is-open{display:flex}.nav a{font-size:15px}.hero{grid-template-columns:1fr;padding-top:40px;gap:36px}.hero h1{font-size:37px}.hero .lead{max-width:100%}.blueprint{max-width:100%}.feature{grid-template-columns:1fr;gap:24px}.body-grid{display:flex;flex-direction:column;gap:24px}.side{order:-1}.side-inner{position:static;border-top:1px solid var(--line);padding-top:12px}.side-inner a{display:inline-block;margin:6px 16px 6px 0;font-size:13px}.side .side-note{display:none}.reading-order{grid-template-columns:1fr}.topic-list{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:12px}.mission{padding:30px}.mission h2{font-size:25px}.footer{flex-direction:column}.page-intro{padding:32px 0}.page-intro .lead{font-size:17px}}
@media(max-width:480px){.wrap{padding-left:20px;padding-right:20px}.prototype .wrap{font-size:12px}.hero h1{font-size:32px}.hero-links{gap:20px}.blueprint{padding:18px}.diagram-grid{gap:10px}.diagram-grid a{font-size:15px;padding:13px 10px}.diagram-grid small{font-size:12px}.feature{padding-left:19px}.feature h3{font-size:24px}.steps-mini{grid-template-columns:1fr 1fr}.steps-mini span{font-size:13px;padding:10px}.prose{font-size:16px}.prose h2{font-size:22px}.prose table{font-size:14px}.prose th,.prose td{padding:11px 8px;overflow-wrap:anywhere}.prose td:first-child{width:31%}.pillar-row{grid-template-columns:48px 1fr;gap:14px}.pillar-row h2{font-size:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.prototype a{white-space:nowrap}.process-compact{display:none}@media(max-width:600px){.prose figure>img{display:none}.process-compact{display:block;background:var(--mist);padding:18px}.process-compact .policy{background:var(--ink);color:white;padding:12px;font-size:15px;text-align:center}.process-compact ol{list-style:none;padding:0;margin:16px 0}.process-compact li{background:white;padding:12px;border:1px solid var(--line);font-size:16px;line-height:1.7}.process-compact small{display:block;font-size:14px;color:var(--muted)}.process-compact b{color:var(--blue);margin-right:8px}.process-compact p{font-size:15px;color:var(--blue);margin:12px 0}.prototype .wrap{gap:8px}.prototype span{font-size:12px}.side-inner a{font-size:14px}}

.prose{overflow-wrap:anywhere}.utility{display:flex;justify-content:flex-end;gap:24px;padding-top:12px;font-size:13px;color:var(--muted)}.utility a{text-decoration:none}.header{min-height:90px}.nav{gap:18px}.weekly-note{background:var(--mist);padding:28px}.weekly-note h3{font-family:var(--serif);font-size:25px;line-height:1.8;margin:8px 0}.weekly-note p{font-size:15px}.serial{display:grid;grid-template-columns:70px 1fr;gap:24px;padding:26px 0;border-top:1px solid var(--line)}.serial-num{font:32px/1.5 Georgia,serif;color:var(--blue)}.serial h2{font-size:23px;margin:4px 0 10px;line-height:1.7}.serial p{margin:0;color:var(--muted)}.company-list{margin:20px 0}.company-list>div{display:grid;grid-template-columns:150px 1fr;gap:24px;border-top:1px solid var(--line);padding:20px 0}.company-list dt{font-weight:600}.company-list dd{margin:0}.contact-form{max-width:720px}.field{margin:24px 0}.field label{display:block;font-weight:600;margin:0 0 8px}.required{font-size:12px;color:var(--accent);margin-left:10px}.field input,.field select,.field textarea,.confirmation textarea{display:block;width:100%;font:16px/1.7 inherit;font-family:inherit;font-size:16px;padding:13px 15px;border:1px solid #aab8ca;border-radius:0;background:white;color:var(--ink)}.field textarea{min-height:160px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--blue);outline-offset:2px}.button{border:0;cursor:pointer}.secondary-button{border:1px solid var(--ink);color:var(--ink);background:white;padding:11px 18px;font:inherit;font-size:15px;cursor:pointer}.confirmation{padding:24px;background:var(--mist);margin-top:24px}.confirmation[hidden]{display:none}.confirmation textarea{min-height:260px;resize:vertical}.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.field small{font-size:13px;color:var(--muted)}.contact-note{font-size:14px;color:var(--muted)}.reading-loop{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0}.reading-loop div{border-top:3px solid var(--blue);padding:16px 12px;background:var(--mist)}.reading-loop strong{display:block;font-size:18px}.reading-loop small{font-size:14px;color:var(--muted)}
@media(max-width:1000px){.nav{gap:12px}.nav a{font-size:13px}}
@media(max-width:820px){.nav a{font-size:15px}.utility{gap:20px;padding-top:8px;font-size:13px}.header{min-height:80px}.reading-loop{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.company-list>div{grid-template-columns:1fr;gap:4px}.serial{grid-template-columns:44px 1fr;gap:15px}.serial h2{font-size:20px}.weekly-note{padding:22px}.confirmation{padding:18px}.utility{font-size:13px}}

.nav{gap:15px}.nav a{white-space:nowrap;font-size:13px}.learning-band{background:var(--mist);padding:35px}.learning-band h2{font-family:var(--serif);font-size:29px;line-height:1.6;margin:0 0 15px}.learning-band p{max-width:770px}.learning-stats{display:flex;gap:40px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:25px 0;margin:30px 0}.learning-stats strong{font:38px/1.3 Georgia,serif;color:var(--blue)}.learning-stats span{display:block;font-size:14px;color:var(--muted)}.learning-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:30px 0}.learning-card{padding:24px;border:1px solid var(--line);text-decoration:none}.learning-card h2,.learning-card h3{font-size:21px;margin:6px 0 14px;line-height:1.6}.learning-card p{font-size:15px;color:var(--muted);margin:0 0 14px}.learning-card .tag{display:inline-block;margin-bottom:10px}.catalog-tools{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr) auto;gap:20px;align-items:end;padding:24px;background:var(--mist)}.catalog-tools .field{margin:0}.catalog-tools input,.catalog-tools select{min-width:0}.catalog-tools label{font-size:14px}.catalog-count{font-size:15px;margin:22px 0}.unit-group{border-top:1px solid var(--line);padding:0}.unit-group:last-of-type{border-bottom:1px solid var(--line)}.unit-group summary{cursor:pointer;font-size:19px;font-weight:600;padding:20px 0;list-style-position:inside}.unit-group summary span{font-size:14px;font-weight:400;color:var(--muted);margin-left:12px}.unit-list{list-style:none;margin:0;padding:0 0 20px}.unit-item{display:flex;align-items:baseline;justify-content:space-between;gap:20px;border-top:1px solid #e5eaf0;padding:15px 0;font-size:15px}.unit-heading{display:flex;align-items:baseline;gap:18px;text-decoration:none}.unit-code{font:13px/1.7 monospace;color:var(--blue);flex:0 0 48px}.sample-link{white-space:nowrap;color:var(--blue);font-size:13px}.unit-item[hidden],.unit-group[hidden],#catalog-empty[hidden]{display:none}.sample-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:48px;align-items:start}.lesson-video{display:block;width:100%;max-height:610px;background:var(--ink)}.sample-diagram{display:block;width:100%;height:auto;max-width:560px}.sample-layout figure{margin:0}.sample-layout figcaption{font-size:13px;color:var(--muted);margin-top:14px}.transcript{border-top:1px solid var(--line);margin:24px 0;padding:16px 0;font-size:15px;line-height:2}.transcript summary{cursor:pointer;font-weight:600}.sample-assignment{background:var(--mist);padding:25px;margin:25px 0}.sample-assignment h2{font-size:21px;margin:0 0 15px}.sample-assignment li{margin:9px 0}.catalog-empty{padding:30px;background:var(--mist)}
@media(max-width:1140px) and (min-width:821px){.header{flex-wrap:wrap;gap:12px;padding-top:18px;padding-bottom:18px}.nav{width:100%;justify-content:space-between}.nav a{font-size:14px}}
@media(max-width:820px){.nav a{font-size:15px}.learning-cards{grid-template-columns:1fr}.catalog-tools{grid-template-columns:1fr}.catalog-tools button{justify-self:start}.sample-layout{grid-template-columns:1fr;gap:30px}.learning-band{padding:25px}.unit-item{flex-wrap:wrap;gap:6px}.unit-heading{gap:12px}.sample-link{margin-left:60px}.learning-stats{gap:30px}.sample-diagram{display:block!important}}

.course-preview{display:block;width:100%;height:165px;object-fit:cover;object-position:center;background:var(--mist);margin-bottom:18px}.sample-link{white-space:normal;flex-shrink:0;max-width:15em}.unit-heading{min-width:0}.unit-heading>span:last-child{overflow-wrap:anywhere}

/* Article integration and contact, 2026-09-27 */
[hidden]{display:none!important}.article-search{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:28px 0}.article-search input{min-width:180px;flex:1;border:1px solid #778397;border-radius:4px;padding:12px;font:inherit}.published-card{padding:26px 0;border-bottom:1px solid var(--line)}.published-card h2{font-size:24px;line-height:1.6;margin:12px 0}.published-card a{text-decoration:none}.published-card a:hover{text-decoration:underline}.cms-article{max-width:820px;margin:0 auto}.article-eyecatch{width:100%;height:auto;border-radius:4px;margin-bottom:32px}.cms-article h2,.cms-article h3{scroll-margin-top:100px}.cms-article img{max-width:100%;height:auto}.cms-article table{display:block;overflow-x:auto;max-width:100%}.cms-article pre{white-space:pre-wrap;overflow-wrap:anywhere}.contact-card{border:1px solid var(--line);padding:28px;margin:28px 0;background:var(--paper)}.email-address{overflow-wrap:anywhere}.article-search .button{white-space:nowrap}#article-status{min-height:1.8em}.cms-article p{overflow-wrap:anywhere}:focus-visible{outline:3px solid #d78a16;outline-offset:4px}@media(max-width:600px){.article-search{align-items:stretch}.article-search label,.article-search input{width:100%;flex-basis:100%}.published-card h2{font-size:22px}.contact-card{padding:20px}}
/* knowledge-lineage:start */

.lineage-intro{max-width:800px;color:var(--muted);margin:0 0 28px}
.lineage-heading{font-family:var(--serif);font-size:clamp(25px,2.5vw,32px);line-height:1.65;margin:0 0 20px}
.lineage-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:30px 0}
.lineage-pillar{border-top:3px solid var(--blue);padding:20px 22px;background:var(--mist);min-width:0}
.lineage-pillar .lineage-number{font-family:Georgia,serif;font-size:14px;color:var(--blue);margin:0 0 18px}
.lineage-pillar h3{font-family:var(--serif);font-size:24px;line-height:1.5;margin:0 0 10px}
.lineage-pillar .lineage-theme{font-size:15px;font-weight:600;color:var(--blue);margin:0}
.lineage-pillar .lineage-learning{font-size:15px;margin:16px 0 0;color:var(--muted)}
.lineage-detail{margin:44px 0;scroll-margin-top:24px}
.lineage-detail .lineage-grid{grid-template-columns:1fr;gap:18px}
.lineage-detail .lineage-pillar{padding:22px 26px}
.lineage-detail .lineage-number{margin-bottom:10px}
@media(max-width:700px){.lineage-grid{grid-template-columns:1fr;gap:16px}.lineage-pillar{padding:20px}.lineage-pillar .lineage-number{margin-bottom:10px}}
/* knowledge-lineage:end */

.release-prose{max-width:820px;padding-bottom:64px}.release-prose .blueprint{margin:32px 0}.release-prose .note p{margin-bottom:0}
@media(max-width:600px){.hero h1{font-size:clamp(23px,7.1vw,32px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Warm paper, ink and teal: shared visual treatment, 2026-09-28. */
:root{--ink:#183039;--blue:#176565;--paper:#f5f1e8;--mist:#e6eeea;--line:#c9d2cc;--muted:#52635f;--accent:#b9532f;--gold:#e5ba78}
body{background:var(--paper)}header{background:#faf7f0;border-top:5px solid var(--blue)}
.brand strong{color:#183d42}.utility{font-size:12px}.nav a{padding:10px 0}.button{border-radius:3px;box-shadow:0 4px 12px #102b3520}.button:hover{background:#104d50}.menu-button{background:transparent;border-color:#72877d;border-radius:3px;min-height:44px}
.hero-shell{background:#142f3a;color:#f9f4e9;border-bottom:6px solid var(--gold);background-image:radial-gradient(ellipse at 85% 30%,#24575b 0,transparent 65%)}
.hero{padding-top:66px;padding-bottom:68px;gap:58px;grid-template-columns:1.05fr 1fr}.hero h1{font-size:clamp(32px,3.75vw,48px);line-height:1.65;letter-spacing:.015em}.hero .eyebrow{color:var(--gold)}.hero .lead{color:#d6e1df;line-height:2}.hero .button{background:var(--gold);color:#183039}.hero .button:hover{background:#f2ce99}.hero .text-link{color:#eef5ec}.hero .text-link:hover{color:var(--gold)}
.hero .blueprint{position:relative;background-color:#ebeee3;background-image:linear-gradient(#23534b0b 1px,transparent 1px),linear-gradient(90deg,#23534b0b 1px,transparent 1px);border:1px solid #cbd9cc;border-radius:4px;color:var(--ink);box-shadow:12px 14px 0 #071f2a55;padding:28px}
.hero .plan-label{color:#285f5c;font-size:11px;letter-spacing:.06em}.diagram-policy{border:0;background:#244e54;color:#fff9ef;padding:14px;font-size:14px}.diagram-grid{gap:12px;margin:16px 0}.diagram-grid a{background:#fffcf5;border:1px solid #c2cfbf;border-top:3px solid #44827b;border-radius:2px;padding:18px 14px;min-height:115px}.diagram-grid a:hover{background:#dcebe3;color:#174746}.diagram-grid a:nth-child(2),.diagram-grid a:nth-child(3){border-top-color:#bd8348}.diagram-grid small{color:#53675d}.diagram-base{color:#315e55;border-color:#b4c9bc;font-size:13px}
.start-links{display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding-top:22px;padding-bottom:22px;background:#e8e3d6}.start-links a{display:grid;grid-template-columns:32px 1fr auto;align-items:center;column-gap:12px;text-decoration:none;padding:10px 20px;border-right:1px solid #bfc7bb;min-height:64px}.start-links a:first-child{padding-left:0}.start-links a:last-child{border:0}.start-links small{display:block;font-size:11px;color:#5b6c62;font-weight:400;letter-spacing:.06em}.start-links strong{font-size:15px}.start-number{font:22px/1.5 Georgia,serif;color:#3d746b}.start-shell{background:#e8e3d6;border-bottom:1px solid #d2d5c7}
.section{padding-top:58px;padding-bottom:58px;border-top:0}.section-head{border-bottom:1px solid #bdc9bf;padding-bottom:18px;margin-bottom:30px}.section-head h2{font-size:29px}.section-head h2::before{content:"";display:inline-block;width:7px;height:.85em;background:var(--blue);margin-right:14px}
.lineage{padding-top:48px;padding-bottom:50px}.lineage .eyebrow{color:#8c512c;margin-bottom:12px}.lineage-grid{gap:18px;margin:28px 0}.lineage-pillar{position:relative;background:#eee4d1;border:1px solid #d4c6ad;border-top:3px solid #a9773d;padding:24px;overflow:hidden}.lineage-pillar .lineage-number{font-size:27px;color:#8c6137;margin-bottom:14px}.lineage-pillar h3{font-size:25px}.lineage-pillar .lineage-theme{color:#715030}.lineage-intro{color:#4f6059}
.feature{background:#fffdf7;border:1px solid #d6d7c9;border-left:5px solid var(--blue);padding:30px;gap:36px;border-radius:3px}.feature h3 a{text-decoration:none}.feature h3 a:hover{text-decoration:underline}.tag{background:#deebe2;color:#245d53;font-weight:600;line-height:2;box-decoration-break:clone;-webkit-box-decoration-break:clone}.weekly-note{background:#e1e9de;border-top:4px solid #b58148;padding:28px}.weekly-note .eyebrow{color:#406852}.steps-mini span{background:#eaf0e8;border:0;border-bottom:2px solid #c2d2c3}.steps-mini b{color:#33756d}
.learning-band{background:#1e5759;color:#f9f5ea;border:1px solid #306767;border-radius:4px;padding:42px}.learning-band .eyebrow{color:#efd1a2}.learning-band p{color:#dfede5}.learning-band .reading-loop div{background:#2c6565;border-top:3px solid #d5b888}.learning-band .reading-loop small{color:#dfede5}.learning-band .button{background:var(--gold);color:#19383b}.learning-band .text-link:hover{color:#f4d6a9}.learning-band .reading-loop strong{color:#fff7e8}
.topic-list{gap:16px 24px}.topic{background:#e8ede4;border:1px solid #ccd6c8;padding:22px 20px;transition:background-color .15s}.topic:hover{background:#dbe8df}.topic:last-child:nth-child(odd){grid-column:auto}.mission{background:#183540;border-top:5px solid var(--gold);padding:44px}.mission p{color:#d6e2df}footer{background:#17313a;margin-top:60px}.footer{margin-top:0;border-top:0;color:#e4ece5;padding-top:36px;padding-bottom:36px}.footer a:hover{color:#eac58c}
.page-intro{position:relative;padding:36px 0 40px;border-bottom:2px solid #839e8f;margin-bottom:34px}.page-intro::before{content:"";display:block;width:64px;height:5px;background:#b68044;margin:0 0 22px}.page-intro .eyebrow{margin-bottom:14px}.page-intro h1{color:#183d42}.page-intro .lead{margin-bottom:0}.breadcrumb{padding-top:22px}.prose h2{border-top-color:#a9c0b0}.prose th{background:#dce8dc}.prose td{background:#fffdf7}.note,.related,.sample-assignment{background:#e5ebdd;border-color:#638773}.related{border-left:4px solid #638773}.side-inner{background:#e8ecdf;padding:18px;border-color:#417c70}.side-inner a{color:#315b52}.cms-article{background:#fffdf7;padding:28px 34px;border:1px solid #d7ded0;border-top:5px solid #367a70}.cms-article h1{font-family:var(--serif);line-height:1.7}
.serial{padding:26px;background:#edf0e4;border-color:#c1d0be;margin:14px 0}.serial-num{color:#267265}.serial:first-of-type{border-left:5px solid #a77638;background:#eee3cf}.serial .status{background:#faf7e9;border-color:#b9a884;color:#6c502b}.series-plan{background:#e7e9dc;border:1px solid #c5cebe;padding:16px 22px;margin:20px 0}.series-plan summary{cursor:pointer;font-weight:600;min-height:32px}.series-plan .serial{padding:18px 0;border-left:0;background:transparent}.published-card{background:#fffdf7;border:1px solid #ccd6c8;border-left:4px solid #387b72;padding:26px;margin:18px 0}.article-search{background:#e1eadd;padding:24px}.article-search input{background:#fffcf5}.catalog-tools{background:#dfe9df;border-top:4px solid #407e70}.unit-group{background:#fdfaf2;padding:0 22px}.unit-group:nth-of-type(even){background:#eaf0e5}.unit-group summary{padding:20px 0}.learning-card{background:#fffdf7;border-color:#bfd0c1;border-top:4px solid #578979}.learning-stats{background:#e4ebdb;padding:22px}.learning-stats strong{color:#246b5d}.sample-layout figure{background:#e3eadd;padding:16px}.sample-layout figcaption{color:#435d4c}.contact-card{background:#fffdf7}.rss-link{display:inline-flex;padding:8px 0;font-size:14px;font-weight:600;min-height:44px}
@media(max-width:1040px){.hero{gap:32px}.feature{gap:25px;padding:26px}}
@media(max-width:820px){.hero{grid-template-columns:1fr;padding-top:40px;padding-bottom:44px;gap:36px}.hero h1{font-size:37px}.hero .blueprint{width:100%;box-shadow:6px 7px 0 #071f2a55}.start-links{grid-template-columns:1fr;padding-top:10px;padding-bottom:10px}.start-links a,.start-links a:first-child{padding:12px 0;border-right:0;border-bottom:1px solid #c3cabb}.feature{padding:24px;grid-template-columns:1fr}.learning-band{padding:28px}.section{padding-top:38px;padding-bottom:38px}.cms-article{padding:22px}.section-head h2{font-size:25px}.side-inner{padding:15px}.page-intro{margin-bottom:24px}.mission{padding:30px}}
@media(max-width:480px){.hero h1{font-size:clamp(26px,7.5vw,34px)}.hero .lead{font-size:16px}.hero .blueprint{padding:18px}.hero .plan-label{font-size:9px;letter-spacing:0}.diagram-grid a{font-size:15px;padding:14px 10px}.diagram-grid small{font-size:12px}.diagram-policy{font-size:13px;padding:12px 8px}.diagram-base{font-size:12px}.feature{padding:22px 18px}.feature h3{font-size:23px}.learning-band{padding:24px 20px}.learning-band h2{font-size:26px}.reading-loop{gap:9px}.reading-loop div{padding:12px 10px}.reading-loop strong{font-size:16px}.reading-loop small{font-size:12px}.serial{grid-template-columns:35px 1fr;gap:12px;padding:20px 15px}.serial-num{font-size:28px}.serial h2{font-size:19px}.series-plan{padding:15px}.published-card{padding:22px 18px}.cms-article{padding:22px 17px}.unit-group{padding:0 15px}.learning-stats{gap:22px;padding:18px}.article-search{padding:20px}.mission h2{font-size:22px}.sample-layout figure{padding:12px}}
@media(prefers-reduced-motion:reduce){.topic{transition:none}}

/* Reader review adopted 2026-09-29. */
.industrial-definition{background:#e6ece2;border-bottom:1px solid #c3d0c0}
.industrial-definition .wrap{display:flex;align-items:center;gap:28px;padding-top:23px;padding-bottom:23px}
.industrial-definition p{flex:1;margin:0;font-size:15px;line-height:1.9}
.industrial-definition a{flex-shrink:0;font-size:14px;font-weight:600}
.topic .topic-status{display:inline-block;font-size:12px;line-height:1.6;color:#4f665c;margin-top:8px}
.usage-note{background:#e5eddf;border-left:4px solid #367b70;padding:24px;margin:30px 0}
.usage-note h2{font-size:22px;margin:0 0 12px}.usage-note p{margin:0;line-height:1.9}
.writing-example{background:#e8eee3;border:1px solid #bccfbf;padding:20px 24px;margin:28px 0}
.writing-example summary{cursor:pointer;font-weight:600;min-height:32px}
.writing-example dt{font-weight:700;margin-top:18px}.writing-example dd{margin:6px 0 0}
.related-units{margin-top:28px}.related-units h3{font-size:21px;margin:0 0 16px}
.related-units p{font-size:14px;color:#526158}.column-note{font-size:15px;line-height:1.8}
@media(max-width:820px){.side.contact-side{order:0}.industrial-definition .wrap{display:block}.industrial-definition a{display:inline-block;margin-top:10px}}
@media(max-width:600px){.steps-mini{grid-template-columns:1fr}.lineage-grid{gap:10px;margin:18px 0}.lineage-pillar{padding:16px 18px}.lineage-pillar .lineage-number{font-size:17px;margin-bottom:3px}.lineage-pillar h3{font-size:22px;margin:0 0 4px}.lineage-pillar .lineage-theme{margin:0}.writing-example{padding:18px}.industrial-definition .wrap{padding-top:18px;padding-bottom:18px}}

/* Weekly series synchronization */
.cms-article figure{margin:28px 0}.cms-article figcaption{font-size:14px;line-height:1.7}.cms-article table{display:table;width:100%;table-layout:fixed}.cms-article th:first-child{width:30%}.cms-article th,.cms-article td{overflow-wrap:anywhere}.series-navigation{display:flex;flex-wrap:wrap;gap:16px;margin:32px 0;padding:24px 0;border-top:1px solid #b8c9be}.series-navigation a{flex:1;min-width:150px}.series-preview-banner{background:#fff0bb;color:#392c0f;padding:14px 20px;line-height:1.7;font-weight:600}.serial>div{min-width:0}.serial h2{overflow-wrap:anywhere}