:root{--navy:#10235b;--ink:#172143;--coral:#ff6d52;--teal:#198e8c;--paper:#fffaf2;--line:#e4ded4;--muted:#62697a;--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;line-height:1.8}a{color:inherit}.library-shell{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.library-header{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px;padding:10px max(20px,calc((100% - var(--max))/2));border-bottom:1px solid var(--line);background:rgba(255,255,255,.95)}.library-brand{display:flex;align-items:center;gap:10px;text-decoration:none}.library-brand span{padding:6px 9px;border-radius:999px;background:#fff0ed;color:var(--coral);font-size:10px;font-weight:900;letter-spacing:.14em}.library-back{padding:9px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:12px;font-weight:800;text-decoration:none}.library-hero{position:relative;overflow:hidden;padding:72px 0 60px;background:#fff}.library-hero:after{content:"";position:absolute;right:8%;top:28px;width:180px;height:180px;border:1px solid #f0d6cf;border-radius:50%;box-shadow:-70px 110px 0 -78px var(--teal)}.eyebrow{margin:0 0 9px;color:var(--coral);font-size:11px;font-weight:900;letter-spacing:.17em}.library-hero h1{position:relative;z-index:1;margin:0;color:var(--navy);font-size:clamp(39px,7vw,70px);line-height:1.15;letter-spacing:-.045em}.library-hero p:last-child{position:relative;z-index:1;max-width:720px;margin:18px 0 0;color:var(--muted)}.library-main{padding:58px 0 90px}.search-panel{display:grid;grid-template-columns:1fr minmax(300px,460px);gap:28px;align-items:end;padding:28px;border:1px solid var(--line);border-radius:24px;background:#fff}.search-panel h2{margin:0;color:var(--navy);font-size:clamp(27px,4vw,40px)}.library-search span{display:block;margin-bottom:7px;font-size:12px;font-weight:900}.library-search input{width:100%;min-height:52px;padding:12px 16px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--navy);font:inherit}.library-search input:focus{outline:3px solid #198e8c2b;border-color:var(--teal)}.search-status{margin:18px 0;color:var(--muted);font-size:13px}.category-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:34px}.category-block{padding:25px;border:1px solid var(--line);border-radius:26px;background:#fff}.category-head{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}.category-head>span{display:grid;place-items:center;width:45px;height:45px;border-radius:15px;background:#eef8f6;color:var(--teal);font:700 15px Georgia,serif}.category-head small{display:block;color:var(--coral);font-size:10px;font-weight:900;letter-spacing:.12em}.category-head h2{margin:3px 0 4px;color:var(--navy);font-size:23px;line-height:1.4}.category-head p{margin:0;color:var(--muted);font-size:12px}.material-list{display:grid;gap:12px;margin-top:20px}.material-card{display:grid;grid-template-columns:70px 1fr auto;gap:15px;align-items:center;padding:15px;border:1px solid var(--line);border-radius:17px;background:var(--paper);text-decoration:none}.material-visual{position:relative;display:grid;place-items:center;width:70px;aspect-ratio:1;border-radius:18px;background:#fff0ed;color:var(--coral);font:700 22px Georgia,serif;overflow:hidden}.material-visual:before,.material-visual:after{content:"";position:absolute;border-radius:50%;background:var(--teal);opacity:.14}.material-visual:before{width:24px;height:24px;right:-5px;top:8px}.material-visual:after{width:12px;height:12px;left:9px;bottom:7px}.material-card small{display:block;color:var(--coral);font-size:9px;font-weight:900;letter-spacing:.12em}.material-card h3{margin:2px 0;color:var(--navy);font-size:17px;line-height:1.45}.material-card p{margin:0;color:var(--muted);font-size:11px}.material-card>i{color:var(--teal);font-style:normal;font-weight:900}.empty-category{margin:20px 0 0;padding:13px;border-radius:13px;background:var(--paper);color:#7a7e8d;font-size:12px}.library-empty{padding:24px;border-radius:18px;background:#fff;color:var(--muted);text-align:center}.library-footer{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:30px max(20px,calc((100% - var(--max))/2));border-top:1px solid var(--line);background:#fff;color:var(--muted);font-size:12px}.library-footer a{color:var(--navy);font-weight:900}
.material-hero{padding:54px 0 46px;background:#fff}.breadcrumbs{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:27px;color:var(--muted);font-size:11px}.breadcrumbs a{color:var(--teal)}.material-hero-grid{display:grid;grid-template-columns:1fr 180px;gap:35px;align-items:center}.material-hero h1{margin:7px 0 14px;color:var(--navy);font-size:clamp(38px,7vw,68px);line-height:1.15;letter-spacing:-.045em}.material-hero .lead{margin:0;color:var(--muted)}.hero-symbol{display:grid;place-items:center;aspect-ratio:1;border-radius:44px;background:#fff0ed;color:var(--coral);font:700 46px Georgia,serif;box-shadow:inset 0 0 0 1px #f2d7d0}.material-body{padding:54px 0 90px}.content-section{margin:0 0 26px;padding:clamp(22px,4vw,38px);border:1px solid var(--line);border-radius:26px;background:#fff}.section-label{margin:0 0 6px;color:var(--coral);font-size:10px;font-weight:900;letter-spacing:.16em}.content-section h2{margin:0 0 20px;color:var(--navy);font-size:clamp(27px,4vw,39px);line-height:1.35}.video-layout{display:grid;grid-template-columns:minmax(230px,320px) 1fr;gap:30px;align-items:start}.video-frame{overflow:hidden;aspect-ratio:9/16;border-radius:22px;background:#11182d}.video-frame video{display:block;width:100%;height:100%;object-fit:cover}.media-note{padding:18px;border-left:4px solid var(--teal);border-radius:0 15px 15px 0;background:#eef8f6;color:var(--muted);font-size:13px}.media-note strong{display:block;color:var(--navy);font-size:15px}.take-home{border-color:#f2d2c9;background:#fff8f5}.take-home strong{display:block;color:var(--navy);font-size:clamp(20px,3vw,29px);line-height:1.75}.diagram-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.diagram-step{position:relative;padding:22px;border-radius:20px;background:var(--paper)}.diagram-step:not(:last-child):after{content:"→";position:absolute;right:-13px;top:50%;z-index:2;color:var(--coral);font-weight:900}.diagram-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:17px;background:#eef8f6;color:var(--teal);font-size:13px;font-weight:900}.diagram-step h3{margin:12px 0 5px;color:var(--navy);font-size:17px}.diagram-step p{margin:0;color:var(--muted);font-size:12px}.detail-list{display:grid;gap:22px}.detail-item{padding-bottom:22px;border-bottom:1px solid var(--line)}.detail-item:last-child{padding-bottom:0;border-bottom:0}.detail-item h3{margin:0 0 8px;color:var(--navy);font-size:20px}.detail-item p{margin:0;color:#50586c}.faq-list details,.evidence-groups details{border-top:1px solid var(--line)}.faq-list summary,.evidence-groups summary{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:18px 2px;color:var(--navy);font-weight:850;cursor:pointer}.faq-list summary:after,.evidence-groups summary:after{content:"＋";color:var(--teal);font-size:20px}.faq-list details[open] summary:after,.evidence-groups details[open] summary:after{content:"−"}.faq-list details p{margin:0 0 20px;padding:0 4px;color:var(--muted)}.evidence-group{padding:0 3px 18px}.evidence-link{display:block;margin:8px 0;padding:15px;border-radius:14px;background:var(--paper);color:var(--navy);text-decoration:none}.evidence-link b{display:block;font-size:13px}.evidence-link small{display:block;margin-top:4px;color:var(--muted)}.checked{color:var(--muted);font-size:11px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related-grid a{padding:16px;border:1px solid var(--line);border-radius:15px;background:var(--paper);color:var(--navy);font-size:13px;font-weight:850;text-decoration:none}.related-grid a:after{content:" →";color:var(--teal)}
@media(max-width:760px){.library-shell{width:min(calc(100% - 28px),var(--max))}.library-header{min-height:62px}.library-brand b{font-size:13px}.library-back{font-size:11px}.library-hero{padding:50px 0 43px}.library-main{padding:40px 0 64px}.search-panel,.category-grid,.material-hero-grid,.video-layout{grid-template-columns:1fr}.category-block{padding:20px}.material-card{grid-template-columns:58px 1fr auto}.material-visual{width:58px}.hero-symbol{display:none}.material-body{padding:38px 0 65px}.content-section{border-radius:21px}.video-frame{width:min(100%,300px);margin:auto}.diagram-flow{grid-template-columns:1fr}.diagram-step:not(:last-child):after{content:"↓";right:50%;top:auto;bottom:-18px}.related-grid{grid-template-columns:1fr}}@media(max-width:420px){.library-header{align-items:flex-start}.library-back{padding:7px 10px}.material-card p{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}