:root{--lh-ink:#1e2220;--lh-paper:#f5f2eb;--lh-white:#fff;--lh-line:#d8d3c9;--lh-muted:#5d625e;--lh-gold:#76591c;--lh-dark:#202421;--lh-serif:'Cormorant Garamond','Noto Serif JP',serif;--lh-sans:'DM Sans','Noto Sans JP',sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--lh-paper);color:var(--lh-ink);font-family:var(--lh-sans);font-size:16px;line-height:1.75}a{color:inherit}.learning-main{width:min(1180px,calc(100% - 40px));margin:auto;padding:clamp(48px,7vw,96px) 0 110px}.learning-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:clamp(40px,8vw,120px);align-items:end;padding-bottom:clamp(50px,7vw,90px);border-bottom:1px solid var(--lh-line)}.learning-kicker,.learning-section__kicker,.learning-card>span,.course-module>span,.course-status>span{display:block;color:var(--lh-gold);font-size:12px;font-weight:600;letter-spacing:.16em}.learning-hero h1{max-width:13ch;margin:16px 0 20px;font:400 clamp(48px,8vw,92px)/1.02 var(--lh-serif);letter-spacing:-.035em}.learning-hero p{max-width:58ch;margin:0;color:var(--lh-muted);font-size:18px}.learning-hero__aside{padding:30px;border:1px solid var(--lh-line);background:rgba(255,255,255,.5)}.learning-hero__aside strong{display:block;margin-bottom:12px;font:500 25px/1.35 var(--lh-serif)}.learning-hero__aside p{font-size:15px}.learning-section{padding:clamp(60px,8vw,100px) 0;border-bottom:1px solid var(--lh-line)}.learning-section__head{display:grid;grid-template-columns:minmax(0,.8fr) minmax(320px,1.2fr);gap:40px;align-items:end;margin-bottom:36px}.learning-section__head h2{max-width:14ch;margin:12px 0 0;font:400 clamp(38px,6vw,66px)/1.08 var(--lh-serif)}.learning-section__head p{max-width:60ch;margin:0;color:var(--lh-muted)}.learning-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--lh-line);border:1px solid 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solid var(--lh-line)}.course-status>div{padding:38px;background:var(--lh-white)}.course-status h2{margin:14px 0;font:500 clamp(32px,5vw,56px)/1.12 var(--lh-serif)}.course-status p{color:var(--lh-muted)}.course-status__facts{display:grid;gap:1px;background:var(--lh-line)}.course-status__facts div{padding:22px;background:var(--lh-paper)}.course-status__facts strong{display:block;font-size:18px}.course-method{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--lh-line);border:1px solid var(--lh-line);counter-reset:method}.course-method div{min-height:160px;padding:22px;background:#fff}.course-method div::before{counter-increment:method;content:'0' counter(method);display:block;margin-bottom:28px;color:var(--lh-gold);font-size:12px;font-weight:600;letter-spacing:.15em}.course-method strong{display:block;font:500 22px/1.3 var(--lh-serif)}.course-modules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--lh-line);border:1px solid var(--lh-line)}.course-module{min-height:250px;padding:28px;background:#fff}.course-module h3{margin:14px 0 10px;font:500 27px/1.25 var(--lh-serif)}.course-module p{margin:0;color:var(--lh-muted);font-size:15px}.boundary-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--lh-line);border:1px solid var(--lh-line)}.boundary-grid>div{padding:34px;background:#fff}.boundary-grid h3{margin:0 0 16px;font:500 30px/1.25 var(--lh-serif)}.boundary-grid ul{margin:0;padding-left:1.2em;color:var(--lh-muted)}.boundary-grid li+li{margin-top:8px}.boundary-grid .boundary-stop{background:var(--lh-dark);color:#fff}.boundary-grid .boundary-stop ul{color:#d0d5d1}.course-notice{padding:32px;border:1px solid var(--lh-line);background:#fff}.course-notice h2{margin:0 0 14px;font:500 34px/1.2 var(--lh-serif)}.course-notice p{max-width:70ch;margin:0;color:var(--lh-muted)}.course-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.course-actions a{min-height:50px;display:inline-flex;align-items:center;padding:0 22px;border:1px solid var(--lh-ink);text-decoration:none;font-weight:600}.course-actions a:first-child{background:var(--lh-ink);color:#fff}.source-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}.source-list a{display:block;padding:18px 20px;border:1px solid var(--lh-line);background:#fff;text-underline-offset:4px}.learning-footer-note{padding-top:30px;color:var(--lh-muted);font-size:14px}@media(max-width:820px){.learning-main{width:min(100% - 32px,1180px);padding-top:38px}.learning-hero,.learning-section__head,.course-status{grid-template-columns:1fr}.learning-hero h1{font-size:54px}.learning-hero p{font-size:16px}.learning-grid,.course-modules,.boundary-grid{grid-template-columns:1fr}.learning-route{grid-template-columns:repeat(2,minmax(0,1fr))}.course-method{grid-template-columns:1fr 1fr}.learning-card{min-height:240px;padding:28px}.course-status>div{padding:28px}}@media(max-width:520px){.learning-main{width:calc(100% - 28px)}.learning-hero h1{font-size:46px}.learning-route,.course-method{grid-template-columns:1fr}.learning-route a{min-height:96px}.course-method div{min-height:130px}.course-modules{grid-template-columns:1fr}.course-actions{display:grid}.course-actions a{justify-content:center}}

/* 2026-10-12 editorial learning system */
.learning-hero--visual{align-items:center}.learning-hero__visual{margin:0;background:#ece7dd;border:1px solid var(--lh-line)}.learning-hero__visual img{width:100%;aspect-ratio:4/3;object-fit:cover}.learning-hero__visual figcaption{padding:14px 18px;color:var(--lh-muted);font-size:11px;font-weight:600;letter-spacing:.18em}.learning-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.learning-actions a{display:inline-flex;min-height:50px;align-items:center;padding:12px 20px;border:1px solid var(--lh-ink);background:var(--lh-ink);color:#fff;text-decoration:none}.learning-actions a+ a{background:transparent;color:var(--lh-ink)}.learning-status-note{margin:0;padding:20px 0;border-bottom:1px solid var(--lh-line);color:var(--lh-muted)}.learning-status-note strong{color:var(--lh-ink);margin-right:.5em}.learning-check-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--lh-line);background:var(--lh-line);gap:1px}.learning-check-grid article{padding:28px;background:var(--lh-white)}.learning-check-grid span,.learning-flow span{color:var(--lh-gold);font-size:11px;font-weight:600;letter-spacing:.14em}.learning-check-grid h3,.learning-flow h3,.boundary-grid h3{margin:14px 0 10px;font:500 22px/1.35 var(--lh-serif)}.learning-check-grid p,.learning-flow p{margin:0;color:var(--lh-muted)}.learning-stop{display:grid;grid-template-columns:220px 1fr;gap:30px;margin-top:16px;padding:24px 28px;background:var(--lh-dark);color:#fff}.learning-stop p{margin:0;color:#e3e2dc}.learning-flow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0;padding:0;list-style:none;border:1px solid var(--lh-line);background:var(--lh-line);gap:1px}.learning-flow li{min-height:205px;padding:30px;background:var(--lh-white)}.learning-flow li:last-child{grid-column:1/-1;background:var(--lh-dark);color:#fff}.learning-flow li:last-child span{color:#d9c58f}.learning-flow li:last-child p{color:#e3e2dc}.learning-grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}.learning-grid--three .learning-card{min-height:250px}.source-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0;padding:0;list-style:none;border:1px solid var(--lh-line);background:var(--lh-line);gap:1px}.source-list a{display:flex;min-height:72px;align-items:center;padding:18px 22px;background:var(--lh-white);text-underline-offset:4px}.learning-section--compact{padding-top:54px}.learning-section--sources{border-bottom:0}
@media(max-width:760px){.learning-main{padding-top:30px;padding-bottom:76px}.learning-hero{gap:30px;padding-bottom:48px}.learning-hero h1{max-width:none;font-size:clamp(38px,11vw,46px);line-height:1.08}.learning-hero__visual img{aspect-ratio:16/10}.learning-status-note{font-size:14px;line-height:1.8}.learning-section{padding:52px 0}.learning-section__head{gap:18px;margin-bottom:26px}.learning-section__head h2{font-size:clamp(34px,10vw,46px)}.learning-check-grid,.learning-grid--three,.source-list{grid-template-columns:1fr}.learning-check-grid article{padding:24px}.learning-stop{grid-template-columns:1fr;gap:8px;padding:22px}.learning-flow{grid-template-columns:1fr}.learning-flow li,.learning-flow li:last-child{grid-column:auto;min-height:auto;padding:24px}.learning-actions{display:grid}.learning-actions a{justify-content:center}.learning-card{min-height:220px}.learning-route a{min-height:88px}}