
.preview-notice{padding:10px 28px;background:#fff2d7;color:#453009;text-align:center;font-size:.9rem}
.shell.main-section{padding-left:28px;padding-right:28px}
@media(max-width:640px){.shell.main-section{padding-left:18px;padding-right:18px}}
:root{color-scheme:light;--ink:#172d31;--muted:#455b5c;--line:#d9e2dd;--paper:#f5f3ec;--white:#fff;--teal:#215d56;--teal-dark:#16443e;--accent:#bf5d3b;--soft:#e6eee9;--serif:"Yu Mincho","Hiragino Mincho ProN",Georgia,serif}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.85 system-ui,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto}a{color:var(--teal-dark);text-decoration-thickness:1px;text-underline-offset:.2em}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:3px solid #9b3d24;outline-offset:4px;border-radius:2px}p{margin:0 0 1.2em;overflow-wrap:anywhere}h1,h2,h3{line-height:1.45;overflow-wrap:anywhere}h1,h2,h3,p,blockquote{word-break:normal}.skip-link{position:absolute;top:-100px;left:16px;z-index:100;background:#fff;padding:10px 18px}.skip-link:focus{top:12px}.site-header{background:var(--ink);color:white}.site-header-inner{max-width:1160px;margin:auto;min-height:72px;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-size:1.05rem;font-weight:800;letter-spacing:.1em}.brand:hover{color:#fff}.brand-mark{display:inline-grid;place-items:center;width:38px;height:38px;border:1px solid #a4c1b8;border-radius:50%;color:#b8d6c9;font:700 1.4rem var(--serif)}.site-nav{display:flex;gap:22px;flex-wrap:wrap}.site-nav a{color:#e3efea;text-decoration:none;font-size:.88rem}.site-nav a:hover{text-decoration:underline;color:#fff}.shell{max-width:1160px;margin:auto;padding:0 28px}.eyebrow{font-size:.76rem;font-weight:800;letter-spacing:.18em;color:var(--teal);text-transform:uppercase}.hero{background:linear-gradient(145deg,#18373a 0%,#214f49 100%);color:#fff;overflow:hidden}.hero-inner{max-width:1160px;margin:auto;padding:100px 28px 95px;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(230px,.7fr);gap:60px;align-items:center}.hero .eyebrow{color:#b2d2c5}.hero h1{font:700 clamp(2.5rem,5vw,4.8rem)/1.35 var(--serif);letter-spacing:.06em;margin:13px 0 28px}.hero h1 span{display:block}.hero-lead{font-size:1.12rem;max-width:36em;color:#e9f2ee}.hero-aside{border:1px solid #75958c;padding:28px 30px;background:#ffffff09}.hero-aside .number{font:500 5.8rem/1 var(--serif);color:#c9d7ca;display:block}.hero-aside p{margin:12px 0 0;color:#e1ece7;font-size:.95rem}.hero-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}.hero-note span,.topic{border:1px solid #72938a;border-radius:100px;padding:4px 14px;font-size:.83rem;color:#e4f0e9}.main-section{padding:70px 0 100px}.section-top{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px;border-bottom:1px solid #b8cac2;padding-bottom:16px}.section-top h2{font:700 clamp(1.65rem,3vw,2.3rem)/1.4 var(--serif);margin:0}.section-top p{margin:0;color:var(--muted);font-size:.9rem}.case-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.case-card{background:#fff;border:1px solid var(--line);padding:30px;min-height:206px;display:flex;flex-direction:column;justify-content:space-between;transition:transform .2s,border-color .2s,box-shadow .2s}.case-card:hover{transform:translateY(-3px);border-color:#98b6a6;box-shadow:0 8px 28px #1b3b3020}.case-card .card-meta{color:var(--teal);font-size:.76rem;font-weight:700;letter-spacing:.1em}.case-card h3{font:700 1.35rem/1.55 var(--serif);margin:18px 0}.case-card h3 a{text-decoration:none;color:var(--ink)}.case-card h3 a::after{content:"";position:absolute;inset:0}.case-card{position:relative}.case-card .card-action{border-top:1px solid var(--line);padding-top:13px;color:var(--teal);font-size:.85rem}.empty-state{border:1px solid var(--line);background:#fff;min-height:280px;padding:55px 48px;display:flex;flex-direction:column;justify-content:center}.empty-state strong{font:700 1.45rem var(--serif)}.empty-state p{margin:12px 0 0;color:var(--muted);max-width:35em}.pagination{margin-top:32px}.pagination a{display:inline-flex;align-items:center;gap:10px;border:1px solid #a5bcb1;background:#fff;padding:11px 20px;text-decoration:none;font-weight:700}.site-footer{border-top:1px solid #cfdbd4;background:#e9eee7}.site-footer-inner{max-width:1160px;margin:auto;padding:42px 28px 50px;display:grid;grid-template-columns:1fr 2fr;gap:48px}.site-footer h2{font:700 1rem var(--serif);margin:0 0 12px}.site-footer p{font-size:.8rem;color:#344a49}.site-footer nav{display:flex;flex-wrap:wrap;gap:14px}.site-footer a{font-size:.82rem}.article-hero{padding:55px 0 42px;border-bottom:1px solid #cbd8d1}.article-hero .back{display:inline-block;margin-bottom:33px;font-size:.85rem}.article-hero h1{font:700 clamp(2rem,4vw,3.5rem)/1.43 var(--serif);max-width:22em;margin:12px 0 20px;letter-spacing:.03em}.article-intro{max-width:65ch;color:var(--muted);font-size:1.05rem}.article-meta{display:flex;flex-wrap:wrap;gap:8px 18px;padding:0;margin:25px 0 0;list-style:none;color:#3d5553;font-size:.85rem}.source-prompt{background:#e4ede7;border-left:3px solid var(--teal);padding:18px 22px;margin-top:28px;max-width:70ch;font-size:.9rem}.source-prompt p{margin:0 0 6px}.article-grid{display:grid;grid-template-columns:minmax(0,710px) minmax(210px,1fr);gap:68px;align-items:start;padding-top:50px}.article-main{min-width:0}.article-toc{position:sticky;top:24px;border-top:3px solid var(--teal);padding-top:15px}.article-toc p{font-size:.78rem;letter-spacing:.1em;font-weight:800;margin-bottom:10px}.article-toc ol{list-style:none;padding:0;margin:0}.article-toc li{padding:5px 0;border-bottom:1px solid var(--line)}.article-toc a{font-size:.85rem;text-decoration:none}.article-toc a:hover{text-decoration:underline}.comic-figure{margin:0 0 30px}.comic-figure img{display:block;width:100%;background:#fff;border:1px solid var(--line)}.comic-figure figcaption{color:var(--muted);font-size:.82rem;margin-top:10px}.article-section{padding:30px 0;border-top:1px solid var(--line);scroll-margin-top:30px}.article-section h2,.evidence-title{font:700 1.6rem/1.5 var(--serif);margin:0 0 20px}.article-section p{font-size:1.03rem;line-height:2;max-width:70ch}.article-section small{font-size:.76rem;white-space:nowrap}.article-section small a{display:inline-block;min-width:34px;text-align:center;background:#e7eee9;border-radius:3px;margin:0 2px;padding:0 5px;text-decoration:none;color:#20544c;font-weight:800}.learning-section{background:#e7eee8;padding:30px;margin:20px 0 40px;border-left:4px solid var(--teal)}.learning-section h2{margin:0 0 15px}.learning-section p{margin-bottom:0}.transcript{background:#fff;border:1px solid var(--line);padding:28px 32px;margin:40px 0}.transcript h2{margin:0 0 7px;font:700 1.35rem var(--serif)}.transcript .subcopy{color:var(--muted);font-size:.85rem}.transcript ol{padding-left:24px}.transcript li{padding:12px 0;border-bottom:1px solid var(--line)}.transcript li:last-child{border:0}.evidence{margin:20px 0 60px;border:1px solid #c9d7cd;background:#fff}.evidence summary{cursor:pointer;padding:20px 24px;font-weight:800;color:var(--teal-dark)}.evidence summary:hover{background:#f1f5f1}.evidence-inner{border-top:1px solid var(--line);padding:20px 24px}.evidence-inner>p{color:var(--muted);font-size:.88rem}.evidence ol{padding-left:24px}.evidence li{margin:24px 0;padding-top:20px;border-top:1px solid var(--line);scroll-margin-top:25px}.evidence li:first-child{border-top:0;margin-top:0}.evidence blockquote{margin:12px 0 0;padding:15px 20px;background:#f5f6f2;border-left:3px solid #9ebbae;font-size:.9rem;white-space:pre-wrap}.evidence blockquote a{white-space:nowrap}.article-end{background:#f0f2ec;border-top:1px solid var(--line);padding:30px;margin:40px 0 70px}.article-end p{font-size:.84rem;color:#344b49}.about-hero{padding:75px 0 42px;border-bottom:1px solid var(--line)}.about-hero h1{font:700 clamp(2rem,4vw,3.3rem) var(--serif);margin:12px 0}.about-content{max-width:740px;padding:45px 0 95px}.about-content h2{font:700 1.55rem var(--serif);margin:45px 0 15px}.about-content ol{padding-left:1.4em}.about-content li{margin:10px 0}.about-content a{font-weight:700}
.article-main{grid-column:1;grid-row:1}.article-toc{grid-column:2;grid-row:1}
.method-strip{margin-top:90px;padding:45px 0;border-top:1px solid #b8cac2;display:grid;grid-template-columns:1fr 1fr;gap:70px}.method-strip h2{font:700 clamp(1.6rem,3vw,2.2rem)/1.45 var(--serif);margin:8px 0 20px}.method-strip>div>p:not(.eyebrow){max-width:40em;color:var(--muted)}.method-strip>div>a{display:inline-block;margin-top:8px;font-weight:700}.method-strip ol{list-style:none;padding:0;margin:0}.method-strip li{display:grid;grid-template-columns:3.2em 1fr;gap:0 12px;border-bottom:1px solid var(--line);padding:14px 0}.method-strip li:first-child{padding-top:0}.method-strip li span{font:500 1.35rem var(--serif);color:var(--accent);grid-row:span 2}.method-strip li strong{font:700 1.06rem var(--serif)}.method-strip li p{font-size:.83rem;color:var(--muted);margin:0}
.evidence-title{padding:18px 24px;margin:0;background:#e9f0e9;color:var(--ink)}.evidence li:target{background:#eef5ed;outline:2px solid #7aa18a;outline-offset:8px}
@media(max-width:820px){.hero-inner{grid-template-columns:1fr;gap:25px;padding-top:72px;padding-bottom:70px}.hero-aside{display:none}.article-grid{display:block}.article-toc{position:static;margin-bottom:28px;padding:14px 18px;border:1px solid var(--line);background:#fff}.article-toc ol{display:flex;gap:4px 14px;flex-wrap:wrap}.article-toc li{border:0}.article-main{display:block}.site-footer-inner{grid-template-columns:1fr;gap:14px}}
@media(max-width:640px){body{font-size:15px}.shell,.site-header-inner,.site-footer-inner{padding-left:18px;padding-right:18px}.site-header-inner{align-items:start;flex-direction:column;gap:8px;padding-top:14px;padding-bottom:14px}.site-nav{gap:16px}.hero-inner{padding:62px 18px 66px}.hero h1{font-size:2.65rem}.hero-lead{font-size:1rem}.main-section{padding:50px 0 75px}.section-top{display:block}.section-top p{margin-top:6px}.case-list{grid-template-columns:1fr}.case-card{min-height:165px;padding:23px}.empty-state{padding:36px 25px}.article-hero{padding:35px 0}.article-hero .back{margin-bottom:22px}.article-grid{padding-top:28px}.article-section{padding:24px 0}.article-section h2{font-size:1.45rem}.article-section p{font-size:1rem}.learning-section{padding:22px;margin-left:-18px;margin-right:-18px}.transcript{padding:22px;margin-left:-18px;margin-right:-18px}.evidence{margin-left:-18px;margin-right:-18px}.evidence summary{padding:16px 18px}.evidence-inner{padding:16px 18px}.article-end{margin-left:-18px;margin-right:-18px;padding:22px}}
@media(max-width:820px){.method-strip{grid-template-columns:1fr;gap:28px;margin-top:65px;padding-top:35px}}
@media(max-width:640px){.evidence-title{padding:16px 18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}}
