:root{--navy:#132d46;--blue:#275c84;--ink:#243746;--line:#d7e1e9;--light:#eef4f8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:#fff;color:var(--ink);font-family:'Noto Sans JP','Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif;font-size:17px;line-height:1.9}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}a:focus-visible{outline:3px solid #367daf;outline-offset:6px}img{display:block;width:100%;height:auto}h1,h2,h3,p{margin:0}h1,h2,h3{color:var(--navy);overflow-wrap:anywhere}.skip{position:absolute;left:15px;top:-100px;background:white;z-index:2}.skip:focus{top:10px}.mast{max-width:1240px;margin:auto;padding:30px 40px 25px;display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--navy);gap:25px}.brand{font-family:Georgia,'Times New Roman',serif;font-size:32px;line-height:1.15;color:var(--navy);letter-spacing:-.8px}.brand sup{font-size:14px;vertical-align:top;margin-left:4px}.brand span{display:block;font-family:'Yu Gothic',sans-serif;font-size:12px;font-weight:500;letter-spacing:.13em;margin-top:12px}.mast nav{display:flex;gap:25px;font-size:14px;font-weight:600}.intro,.lead,.features,.about,.next{max-width:1160px;margin-left:auto;margin-right:auto}.intro{padding:46px 0 38px}.eyebrow,.category{font-size:14px;color:var(--blue);font-weight:600;letter-spacing:.05em}.intro h1{font-family:'Noto Serif JP','Yu Mincho','Hiragino Mincho ProN',serif;font-size:clamp(30px,3.4vw,45px);font-weight:600;line-height:1.55;letter-spacing:.045em;margin:15px 0 19px}.intro p{font-size:17px;color:#4a5e6d}.lead{display:grid;grid-template-columns:1.2fr 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line);align-items:center;gap:55px;padding:30px 0 45px}.leadart{min-width:0}.leadcopy h2{font-family:'Noto Serif JP','Yu Mincho',serif;font-size:clamp(25px,2.3vw,32px);line-height:1.65;font-weight:600;margin:17px 0}.leadcopy p{font-size:16px}.textlink{display:inline-block;border-bottom:1px solid var(--blue);color:var(--blue);font-size:16px;font-weight:600;margin-top:25px;padding-bottom:4px}.features{padding:60px 0 68px}.sectionhead{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:26px;gap:15px}.sectionhead h2,.next h2{font-size:25px;font-weight:600}.sectionhead span{font-size:14px;color:#536878}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.card{position:relative;padding:28px 27px 33px;display:flex;flex-direction:column}.card:first-child{padding-left:0}.card:last-child{padding-right:0}.card+.card{border-left:1px solid var(--line)}.number{font-family:Georgia,serif;font-size:36px;color:#69869e;line-height:1.2;margin-bottom:15px}.card h3{font-family:'Yu Mincho',serif;font-size:24px;line-height:1.65;font-weight:600;margin:16px 0 17px}.card p{font-size:16px;margin-bottom:25px}.read{color:var(--blue);font-size:14px;text-decoration:underline;text-underline-offset:5px;margin-top:auto}.card:hover{background:#f7fafc}.about{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;padding:48px 50px;background:var(--light);border-top:3px solid var(--navy)}.about h2{font-family:'Yu Mincho',serif;font-size:30px;line-height:1.8;margin-top:17px}.about p+p{margin-top:20px}.editorialnote{font-size:14px;color:#4b6477;border-top:1px solid #c8d6e0;padding-top:20px}.next{padding:62px 0 70px}.nextgrid{display:grid;grid-template-columns:1fr 1fr;margin-top:25px;gap:0 40px}.nextgrid a{padding:19px 0;border-bottom:1px solid var(--line)}.nextgrid strong{display:block;font-size:18px;color:var(--navy);font-weight:600}.nextgrid span{font-size:15px;color:#496074}footer{border-top:2px solid var(--navy);max-width:1240px;margin:auto;padding:32px 40px 40px;display:flex;align-items:flex-start;justify-content:space-between;gap:25px;font-size:14px}.footbrand{font-family:Georgia,serif;font-size:22px;color:var(--navy)}footer span{font-size:12px}footer>a:last-child{font-size:12px}.article{max-width:900px;margin:auto;padding:40px 0 70px}.back{display:block;font-size:14px;color:var(--blue);margin-bottom:33px}.article h1{font-family:'Yu Mincho',serif;font-size:clamp(30px,3.5vw,43px);line-height:1.6;margin:17px 0 20px;font-weight:600}.dek{font-size:20px}.byline{font-size:13px;color:#546b7c;margin:23px 0;border-bottom:1px solid var(--line);padding-bottom:25px}.articleimage{margin:10px 0 30px}.scene{background:#f1f6fa;border-left:3px solid var(--blue);padding:30px 36px;margin:35px 0}.scene p{font-size:20px;margin:13px 0}.scene small{font-size:13px;color:#587184}.twoview{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin:40px 0}.twoview section{border-top:2px solid var(--navy);padding-top:18px}.twoview section+section{border-color:#7795ac}.twoview h2{font-size:18px;margin-bottom:14px}.essay{max-width:760px;margin:55px auto}.essay h2{font-size:26px;line-height:1.7;margin-bottom:23px}.essay p{font-size:18px;line-height:2}.essay p+p{margin-top:25px}.diagram{margin:45px 0;border:1px solid #bbccda;padding:30px;background:#fbfdff}.diagram figcaption{font-size:18px;font-weight:600;color:var(--navy);margin-bottom:23px}.diagramgrid{display:grid;grid-template-columns:1fr 40px 1fr;align-items:center;text-align:center}.diagramgrid>div:not(.plus){background:var(--light);padding:25px 15px;border-top:3px solid #4c7c9e}.diagramgrid span{display:block;font-size:14px;color:var(--blue)}.diagramgrid strong{display:block;font-size:23px;color:var(--navy);margin:7px 0}.diagramgrid p{font-size:15px}.plus{font-size:26px;color:#4b6b81}.diagramnote{font-size:16px;text-align:center;margin-top:20px}.question{padding:30px 36px;border-top:3px solid var(--navy);background:var(--light);margin:50px 0}.question h2{font-family:'Yu Mincho',serif;font-size:27px;line-height:1.7;margin:15px 0 20px}.related{padding-top:25px;border-top:1px solid var(--line)}.related h2{font-size:20px}.related p{font-size:14px;color:#516978;margin-top:25px;max-width:750px}@media(max-width:1240px){.intro,.lead,.features,.about,.next{margin-left:40px;margin-right:40px}.article{margin-left:auto;margin-right:auto;padding-left:35px;padding-right:35px}}@media(max-width:760px){body{font-size:17px}.mast{padding:23px 22px 19px;display:block}.brand{font-size:29px}.brand span{font-size:12px}.mast nav{margin-top:23px;gap:24px;font-size:14px;flex-wrap:wrap}.intro,.lead,.features,.about,.next{margin-left:22px;margin-right:22px}.intro{padding:31px 0}.intro h1{font-size:30px;letter-spacing:0}.intro p{font-size:16px}.desktop{display:none}.lead{grid-template-columns:1fr;gap:12px;padding:15px 0 32px}.leadcopy h2{font-size:29px}.leadcopy p{font-size:16px}.features{padding:38px 0}.sectionhead{display:block}.sectionhead h2{font-size:23px;margin-bottom:7px}.cards{grid-template-columns:1fr}.card,.card:first-child,.card:last-child{padding:25px 0}.card+.card{border-left:0;border-top:1px solid var(--line)}.card h3{font-size:25px;margin:10px 0}.number{font-size:28px}.about{grid-template-columns:1fr;gap:25px;padding:28px 24px}.about h2{font-size:27px}.about h2 br{display:none}.next{padding:38px 0}.next h2{font-size:23px}.nextgrid{grid-template-columns:1fr}footer{padding:27px 22px;display:block}footer>div{margin:16px 0}.article{padding:29px 22px 45px}.article h1{font-size:30px}.dek{font-size:18px}.byline{font-size:12px}.scene{padding:23px}.scene p{font-size:18px}.twoview{grid-template-columns:1fr}.essay{margin:35px auto}.essay h2{font-size:24px}.essay p{font-size:18px}.diagram{padding:23px 17px}.diagramgrid{grid-template-columns:1fr}.plus{padding:4px}.diagramgrid strong{font-size:22px}.question{padding:25px}.question h2{font-size:25px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.publication-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 24px;margin-top:23px;color:#4a5e6d;font-size:14px;line-height:1.8}.publication-meta a{color:var(--blue);text-decoration:underline;text-underline-offset:4px}.cardmeta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 14px;margin-bottom:15px}.cardmeta .number{margin-bottom:0}.cardmeta time{font-size:14px;color:#536878}.newlabel{font-size:14px;font-weight:600;color:var(--blue);border-bottom:2px solid var(--blue)}.footerlinks{display:flex;flex-direction:column;gap:10px;font-size:14px}.footerlinks a{text-decoration:underline;text-underline-offset:4px}.next-reading{margin:45px 0;padding:28px 0;border-top:2px solid var(--navy);border-bottom:1px solid var(--line)}.next-reading>h2{font-size:22px;font-weight:600;margin-bottom:20px}.next-reading-link{display:block;padding:26px 30px;background:var(--light);border-left:3px solid var(--blue)}.next-reading-link h3{font-family:'Yu Mincho',serif;font-size:26px;line-height:1.65;font-weight:600;margin:12px 0 18px}.next-reading-link p{font-size:17px;line-height:1.9;max-width:43em;margin-bottom:20px}.next-reading-link .read{font-size:16px}.next-reading-link:hover{background:#e5eff6}@media(max-width:760px){.publication-meta{align-items:flex-start;flex-direction:column;gap:6px}.footerlinks{margin-top:20px}.next-reading{margin:32px 0;padding:24px 0}.next-reading-link{padding:23px 22px}.next-reading-link h3{font-size:24px}.cardmeta{gap:8px 16px}}
/* The editorial signature: a concrete incident beside an open question. */
.leadart{margin:0}.scenevisual{position:relative}.scene-focus{position:absolute;pointer-events:none;border:1.5px solid #69849c;border-radius:2px}.focus-near{left:3%;top:12%;width:56%;height:71%;border-color:#91a8bb}.focus-far{left:64%;top:36%;width:34%;height:40%;border-color:#275c84}.scenecaptions{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:11px}.scenecaptions>div{border-top:2px solid #91a8bb;padding-top:9px}.scenecaptions>div+div{border-color:var(--blue)}.scenecaptions span{display:block;font-size:13px;color:#4d697e}.scenecaptions strong{display:block;font-size:17px;font-weight:600;color:var(--navy);margin-top:2px}.cardlens{margin:3px 0 25px;display:grid;gap:15px}.cardlens div{padding-left:13px;border-left:2px solid #b6c9d7}.cardlens div+div{border-color:var(--blue)}.cardlens dt,.articlelens dt{font-size:13px;color:#4d697e;margin-bottom:5px}.cardlens dd{font-size:16px;line-height:1.8;margin:0}.cardlens div+div dd{color:var(--navy);font-weight:600}.articlelens{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:10px 0 35px;background:#f1f6fa;border-top:2px solid var(--navy)}.articlelens>div{padding:19px 25px}.articlelens>div+div{border-left:1px solid #cbd9e3;background:#e9f1f7}.articlelens dd{margin:0;font-size:18px;line-height:1.8}.articlelens>div+div dd{font-weight:600;color:var(--navy)}
@media(max-width:760px){.intro{padding-bottom:24px}.intro p{font-size:16px}.scenecaptions{gap:16px;margin-top:5px}.scenecaptions strong{font-size:16px;line-height:1.6}.scenecaptions span{font-size:12px;line-height:1.7}.lead{gap:23px}.focus-near{border-width:1px}.focus-far{border-width:1.5px}.cardlens{gap:14px;margin-bottom:23px}.articlelens{grid-template-columns:1fr}.articlelens>div{padding:17px 22px}.articlelens>div+div{border-left:0;border-top:1px solid #cbd9e3}}
.cards{row-gap:0}.card:nth-child(3n+1){border-left:0;padding-left:0}.card:nth-child(n+4){border-top:1px solid var(--line)}.card:nth-child(3n){padding-right:0}.sources{margin:35px 0;border-top:1px solid var(--line);padding-top:25px}.sources h2{font-size:20px;margin-bottom:15px}.sources ol{padding-left:24px}.sources li{margin-bottom:18px;font-size:16px}.sources a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.sources li p{font-size:14px;margin-top:7px;color:#516978}@media(max-width:760px){.card:nth-child(n){padding-left:0;padding-right:0;border-left:0}.card:nth-child(n+2){border-top:1px solid var(--line)}}
/* Keep labels that distinguish observations and examples readable on every screen. */
.scenecaptions span,.cardlens dt,.articlelens dt,.scene small,.byline{font-size:14px;line-height:1.8}
