:root{--paper:#f5f3eb;--ink:#203e34;--muted:#5f6a60;--line:#cad0c3;--accent:#b94c30}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Yu Gothic","Meiryo",sans-serif;line-height:1.9}
a{color:inherit;text-underline-offset:5px}
a:hover{color:var(--accent)}
a:focus-visible{outline:3px solid var(--accent);outline-offset:6px}
header,main,footer{max-width:1440px;margin:auto}
header{display:flex;align-items:center;justify-content:space-between;padding:26px 5%;border-bottom:1px solid var(--line)}
.identity{display:flex;gap:16px;align-items:center;font-family:Georgia,serif;font-size:39px;text-decoration:none;line-height:1}
.identity span{font:10px/1.6 monospace;letter-spacing:1.5px}
nav{display:flex;gap:30px;font-size:12px}
nav a{text-decoration:none}
.hero{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;min-height:760px;padding:75px 5% 65px;gap:40px}
.eyebrow{font:11px/1.7 monospace;letter-spacing:1.7px;margin:0 0 28px}
h1{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(34px,4vw,59px);font-weight:500;line-height:1.65;letter-spacing:-2px;margin:0 0 24px}
h1 em{font-style:normal;color:var(--accent)}
.intro{font-size:17px}
.signature{font-size:13px;margin-top:35px}
.signature span{font:12px monospace;margin-left:20px}
.button{display:inline-flex;gap:40px;padding:12px 22px;background:var(--ink);color:var(--paper);text-decoration:none;font-size:12px;margin-top:18px}
.button:hover{background:var(--accent);color:white}
.hero-art svg{width:100%;display:block}
.art-caption{border-top:1px solid var(--line);display:flex;justify-content:space-between;font:9px/1.7 monospace;padding-top:14px;gap:12px}
.question{background:var(--ink);color:var(--paper);display:grid;grid-template-columns:1fr 1fr;gap:0 70px;padding:65px 8%}
.question .eyebrow{grid-column:1/-1;color:#bdcdbd}
.question h2{font-family:"Yu Mincho",serif;font-size:34px;line-height:1.7;font-weight:400;margin:0}
.question p{font-size:14px;margin-top:0}
.section-heading{padding:90px 0 35px}
.section-heading h2{font-size:35px;font-weight:500;line-height:1.6;margin:0}
.section-heading>p:last-child{font-size:14px}
#research,#works{padding:0 8%}
.trajectory{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trajectory a{padding:30px 25px;text-decoration:none;border-right:1px solid var(--line)}
.trajectory a:last-child{border:0}
.trajectory b{font:12px monospace;color:var(--accent)}
h3{font-weight:500}
.trajectory h3{font-size:27px;margin:16px 0 8px}
.trajectory p{font-size:13px}
.trajectory span{font:9px monospace}
.featured{display:grid;grid-template-columns:1fr 1fr;gap:40px 55px;margin-top:80px;padding:0 0 50px;border-bottom:1px solid var(--line)}
.featured h2{font:70px/.95 Georgia,serif;letter-spacing:-3px;margin:25px 0 30px}
.featured h2 i{font-weight:400}
.dot{color:var(--accent)}
.featured p{font-size:14px}
.lead{font-size:20px!important;font-weight:500}
.note{font-size:12px!important;color:var(--muted);border-left:2px solid var(--accent);padding-left:15px}
.featured figure{margin:0;align-self:center;background:white;padding:20px}
.featured img{width:100%;height:auto;display:block}
.featured figcaption{font-size:10px;color:var(--muted);margin-top:18px}
.text-link{display:inline-block;font-size:12px;margin:16px 12px 0 0}
.process{grid-column:1/-1;list-style:none;display:grid;grid-template-columns:repeat(4,1fr);padding:0;gap:15px;margin:0}
.process li{font-size:11px;border-top:1px solid var(--line);padding-top:15px}
.process span{display:block;font:10px monospace;color:var(--accent);margin-bottom:10px}
.research-pair{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:55px 0 0}
.research-pair h3{font-size:26px;line-height:1.7}
.research-pair p{font-size:14px}
.output{display:grid;grid-template-columns:155px 1fr;border-top:1px solid var(--line);padding:25px 0;gap:20px}
.output>span{font:11px/2 monospace;color:var(--muted)}
.output h3{font-size:17px;margin:0}
.output h3 a{text-decoration:none}
.output p,.output div>a{font-size:12px;margin:8px 0 0}
.about{padding:90px 8%;display:grid;grid-template-columns:1fr 1.7fr;gap:50px;margin-top:85px;border-top:1px solid var(--line)}
.about h2{font-family:"Yu Mincho",serif;font-size:40px;font-weight:400;margin:0}
.roman{font:15px Georgia,serif}
.about p{font-size:14px}
.english{padding:65px 8%;background:#e6eadf}
.english h2{font:34px/1.4 Georgia,serif;font-weight:400}
.english>p:last-child{max-width:850px;font:16px/1.9 Georgia,serif}
footer{display:flex;justify-content:space-between;padding:30px 5%;gap:25px;font-size:10px}
.skip{position:absolute;top:-100px}
.skip:focus{top:10px;background:white;padding:10px;z-index:3}
@media(max-width:800px){header{padding:22px 6%}
nav{gap:16px}
nav a{font-size:11px}
.identity{font-size:31px}
.identity span{display:none}
.hero{grid-template-columns:1fr;padding:50px 7%;gap:30px;min-height:0}
h1{font-size:clamp(32px,6.8vw,49px);letter-spacing:-1px}
.hero-art{max-width:500px;width:100%;margin:auto}
.question{grid-template-columns:1fr;padding:45px 7%;gap:20px}
.question h2{font-size:29px}
#research,#works{padding:0 7%}
.section-heading{padding-top:60px}
.section-heading h2{font-size:29px}
.trajectory{grid-template-columns:1fr}
.trajectory a{border-right:0;border-bottom:1px solid var(--line);padding:22px 10px}
.trajectory h3{display:inline-block;margin:0 20px}
.trajectory p{margin:8px 0}
.featured{grid-template-columns:1fr;margin-top:55px;gap:30px}
.featured h2{font-size:62px}
.process{grid-template-columns:1fr 1fr}
.research-pair{grid-template-columns:1fr;gap:40px}
.output{grid-template-columns:1fr;gap:8px}
.output h3{font-size:16px}
.about{grid-template-columns:1fr;padding:55px 7%;gap:25px}
.english{padding:45px 7%}
.english h2{font-size:28px}
footer{flex-wrap:wrap;padding:25px 7%}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
}

/* Converging expertise and public research stories */
.signature-link{display:block;width:fit-content;text-decoration:none}
.convergence{display:grid;grid-template-columns:1fr 1.1fr;align-items:center;gap:45px;padding:65px 0 0}
.convergence h3{font-family:"Yu Mincho",serif;font-size:32px;line-height:1.6;margin:0 0 25px}
.convergence p{font-size:14px}
.expertise-key{display:flex;flex-wrap:wrap;gap:18px;margin-top:30px;font-size:10px;color:var(--muted)}
.venn-figure{margin:0}
.venn-figure svg{display:block;width:100%;height:auto}
.venn-label{font:20px Georgia,serif;text-anchor:middle;fill:var(--ink)}
.venn-sub{font:12px "Yu Gothic",sans-serif}
.venn-center{font:20px Georgia,serif;fill:var(--paper);text-anchor:middle}
.venn-center-small{font:9px sans-serif;fill:#c5d3c2;text-anchor:middle}
.venn-figure figcaption{font-size:10px;text-align:center;color:var(--muted)}
.publication-note{font-size:11px!important;color:var(--muted)}
.research-story{padding:65px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:45px 65px}
.research-story h3,.behavior-story h3{font-size:27px;font-weight:500;line-height:1.6;margin:0 0 25px}
.research-story p,.behavior-story p{font-size:14px}
.imaging-evidence{padding:30px;background:#e8ebdf;align-self:center}
.recognition{display:flex;gap:25px;border-top:1px solid var(--line);padding-top:15px;margin-top:25px}
.recognition>span{font:13px/2 monospace;color:var(--accent)}
.recognition p{margin:0;font-size:15px}
.recognition strong{font-size:22px;font-weight:500}
.recognition small,.research-honors small{display:block;font-size:10px;color:var(--muted);margin-top:10px}
.ripple-figure{margin:0;align-self:center}
.ripple-figure img{display:block;width:100%;height:auto}
.ripple-figure figcaption{font-size:10px;line-height:1.7;margin-top:15px;color:var(--muted)}
.research-honors{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:50px;border-top:1px solid var(--line);padding-top:20px}
.research-honors>div{display:flex;gap:25px;align-items:baseline}
.research-honors span{font:10px monospace;flex-shrink:0}
.research-honors p{margin:0;font-size:13px}
.behavior-story{margin-top:65px;background:var(--ink);color:var(--paper);padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:25px 45px}
.behavior-story .eyebrow{color:#b7c8b8}
.behavior-story .note{color:#cad4c7;font-size:10px!important}
.behavior-story a:hover{color:#ffb599}
.behavior-flow{grid-column:1/-1;display:flex;justify-content:space-between;gap:20px;border-top:1px solid #6b7e6e;padding-top:25px;margin-top:10px}
.behavior-flow span{font-size:11px}
.behavior-flow b{display:block;font:17px/2 Georgia,serif}
.behavior-flow i{font-style:normal;color:#c9a28e;align-self:center}
.editorial-about{display:block;margin-top:85px;padding:0;border-top:1px solid var(--line)}
.portrait-panel{position:relative;isolation:isolate;overflow:hidden;min-height:590px;background:#e8e8dd}
.portrait-visual{position:absolute;inset:0 0 0 24%;overflow:hidden;z-index:-3}
.portrait-visual img{width:100%;height:100%;object-fit:cover;object-position:64% 47%;filter:grayscale(.7) saturate(.5);transform:scale(1.75);transform-origin:64% 48%;opacity:.86}
.portrait-wash{position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,var(--paper) 4%,rgba(245,243,235,.96) 24%,rgba(245,243,235,.8) 38%,rgba(245,243,235,.24) 65%,rgba(245,243,235,.08) 100%),linear-gradient(0deg,rgba(245,243,235,.5),transparent 40%)}
.portrait-name{padding:90px 8%;max-width:60%}
.portrait-name h2{font-size:52px;line-height:1.5;letter-spacing:5px}
.portrait-name .roman{font:18px Georgia,serif;letter-spacing:1px;margin-top:8px}
.portrait-thought{font-family:"Yu Mincho",serif;font-size:26px!important;line-height:1.9;margin-top:60px}
.portrait-index{position:absolute;bottom:28px;right:5%;font:9px monospace;letter-spacing:2px;color:#43584c}
.about-body{display:grid;grid-template-columns:1fr 1.7fr;gap:50px;padding:55px 8% 70px}
.about-body>.lead{margin-top:0}
.about-body p:first-child{margin-top:0}
.about-body p{font-size:14px}

@media(max-width:800px){.convergence{grid-template-columns:1fr;gap:20px;padding-top:45px}
.convergence h3{font-size:27px}
.venn-figure{max-width:450px;margin:auto}
.featured{margin-top:55px}
.research-story{grid-template-columns:1fr;gap:30px;padding:45px 0}
.research-story h3,.behavior-story h3{font-size:24px}
.research-honors{grid-template-columns:1fr;gap:25px}
.research-honors>div{display:block}
.research-honors p{margin-top:10px}
.imaging-evidence{padding:24px}
.behavior-story{grid-template-columns:1fr;padding:28px 24px;margin-top:45px;gap:16px}
.behavior-flow{gap:12px;flex-wrap:wrap}
.behavior-flow span{font-size:10px}
.behavior-flow b{font-size:12px}
.behavior-flow i{font-size:12px}
.editorial-about{padding:0;margin-top:60px}
.portrait-panel{min-height:480px}
.portrait-visual{left:0}
.portrait-visual img{object-position:64% 47%;transform:scale(1.45);transform-origin:64% 47%}
.portrait-name{padding:45px 7%;max-width:64%}
.portrait-name h2{font-size:34px;letter-spacing:1px;white-space:nowrap}
.portrait-name .eyebrow{font-size:9px;letter-spacing:1px;max-width:140px}
.portrait-name .roman{font-size:13px}
.portrait-thought{font-size:20px!important;margin-top:170px}
.portrait-wash{background:linear-gradient(90deg,rgba(245,243,235,.95),rgba(245,243,235,.82) 27%,rgba(245,243,235,.05) 70%),linear-gradient(0deg,rgba(245,243,235,.75),transparent 65%)}
.portrait-index{font-size:8px}
.about-body{grid-template-columns:1fr;gap:20px;padding:35px 7% 45px}
}


.precision-cases>div+div{border-top:1px solid var(--line);margin-top:30px;padding-top:30px}
.precision-cases h4{font-size:20px;font-weight:500;margin:0 0 15px}
.precision-cases .eyebrow{margin-bottom:14px}


/* Narrative flow: expertise → convergence → current research */
.narrative-convergence{padding-top:75px}
.narrative-convergence h2{font-family:"Yu Mincho",serif;font-size:34px;line-height:1.65;font-weight:400;margin:0 0 25px}

.expertise-foundations{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px;padding:45px 0 0!important}

.expertise-story{border-top:1px solid var(--line);padding-top:25px;min-width:0}
.expertise-story .eyebrow{font-size:10px;letter-spacing:1.1px;margin-bottom:20px}
.expertise-story h3{font-size:23px;line-height:1.7;margin:0 0 22px}
.expertise-story p{font-size:13px;line-height:1.95}

.expertise-story .text-link{font-size:11px}

details{margin-top:24px;border-top:1px solid var(--line);font-size:12px}
summary{cursor:pointer;padding:15px 0;font-size:11px;line-height:1.8}
summary:hover{color:var(--accent)}
summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.evidence-list{display:grid;gap:14px;padding:8px 0 20px}
.evidence-list a{font-size:11px;line-height:1.8;overflow-wrap:anywhere}
.expertise-story figure{margin-top:15px}
.convergence-bridge{text-align:center;padding:65px 0 0}
.convergence-bridge span{font:10px monospace;letter-spacing:1px;color:var(--muted)}
.convergence-bridge p{font-family:"Yu Mincho",serif;font-size:23px;margin:15px 0}
.convergence-bridge a{display:inline-block;text-decoration:none;font-size:25px;color:var(--accent)}
.featured{margin-top:45px}
.question{padding-top:45px;padding-bottom:45px}
.hero{min-height:690px;padding-top:55px;padding-bottom:55px}

@media(max-width:800px){.narrative-convergence{padding-top:45px}
.narrative-convergence h2{font-size:29px}
.expertise-foundations{grid-template-columns:1fr;gap:35px;padding-top:30px!important}
.expertise-story h3{font-size:24px;margin-bottom:15px}
.expertise-story .eyebrow{margin-bottom:12px}
.expertise-story p{font-size:14px}
.convergence-bridge{padding-top:50px}
.convergence-bridge p{font-size:20px}
.convergence-bridge span{font-size:8px}
.hero{min-height:0;padding-top:45px;padding-bottom:45px}
.question{padding:40px 7%}
.featured{margin-top:30px}
}
@media(min-width:801px) and (max-width:1050px){.expertise-foundations{gap:22px}.expertise-story h3{font-size:19px}.expertise-story p{font-size:12px}}

/* Illustrated academic plates: real evidence and conceptual artwork are labelled. */
.expertise-foundations{display:block;padding-top:40px!important}
.expertise-story{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;padding:48px 0;margin:0;border-top:1px solid var(--line)}
.expertise-story:nth-child(2) .specialty-plate{grid-column:2;grid-row:1}.expertise-story:nth-child(2) .expertise-copy{grid-column:1;grid-row:1}
.expertise-story .specialty-plate{margin:0}.specialty-plate img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;background:#f5f3eb}.actual-research img{background:#fff;padding:24px;border:1px solid var(--line)}
.specialty-plate figcaption{font-family:"Yu Mincho",serif;font-size:17px;line-height:1.6;margin-top:18px}.specialty-plate figcaption>span{display:block;font:9px/1.8 monospace;letter-spacing:1.5px;color:var(--accent);margin-bottom:7px}.specialty-plate figcaption small{display:block;font:10px/1.7 "Yu Gothic",sans-serif;color:var(--muted);margin-top:7px}
.expertise-story .expertise-copy>.eyebrow{margin:0 0 16px}.expertise-story h3{font-size:28px;line-height:1.65;margin-bottom:22px}.expertise-story p{font-size:14px}.expertise-story details{margin-top:20px}.convergence-bridge{padding-top:35px}
@media(max-width:800px){.expertise-story{grid-template-columns:1fr;gap:25px;padding:35px 0}.expertise-story:nth-child(2) .specialty-plate,.expertise-story:nth-child(2) .expertise-copy{grid-column:auto;grid-row:auto}.expertise-story h3{font-size:25px}.specialty-plate figcaption{font-size:16px}.actual-research img{padding:15px}}

.specialty-plate img{aspect-ratio:auto}.actual-research img{padding:0}.specialty-plate a{display:block}

/* Readable, illustrative intervention examples; Japanese stays native text. */
#behavior .expertise-copy{grid-column:1/-1;grid-row:1;max-width:780px}
#behavior .behavior-example{grid-column:1/-1;grid-row:2}
.intervention-demo{border:1px solid var(--line);background:#eeeee5;padding:32px}
.demo-heading>span{font-family:"Yu Mincho",serif;font-size:25px;color:var(--ink)}
.expertise-story .demo-heading p{font-size:13px;margin:8px 0 26px}
.message-comparison{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.message-case{min-width:0;padding:22px;background:#f9f8f2;border-top:3px solid #527364}
.message-case:nth-child(2){border-color:#b8795a}
.case-index{font:11px/1.6 "Yu Gothic",sans-serif;letter-spacing:1px;color:var(--muted)}
.message-case h4{font-size:17px;line-height:1.7;margin:12px 0 5px;font-weight:500}
.expertise-story .person-voice{font-size:12px;color:var(--muted);margin:0 0 20px}
.intervention-message{background:#e3e9df;padding:18px;border-radius:0 12px 12px 12px;min-height:145px}
.message-case:nth-child(2) .intervention-message{background:#efe0d3}
.intervention-message>span{font-size:10px;letter-spacing:1px;color:var(--muted)}
.expertise-story .intervention-message p{font-size:16px;line-height:1.9;margin:10px 0 0;font-weight:500}
.expertise-story .design-reason{font-size:11px;line-height:1.9;margin:20px 0 0;color:var(--muted)}
.design-reason b{display:inline-block;font-size:12px;font-weight:500;color:var(--ink);margin-bottom:7px}
.demo-engine{display:flex;align-items:center;gap:25px;border-top:1px solid var(--line);margin-top:25px;padding-top:20px}
.demo-engine>b{font-size:13px;white-space:nowrap;font-weight:500}
.expertise-story .demo-engine p{font-size:12px;margin:0;line-height:1.9}
.expertise-story .demo-disclaimer{font-size:10px;color:var(--muted);margin:18px 0 0;line-height:1.7}
@media(max-width:800px){.intervention-demo{padding:20px}.demo-heading>span{font-size:21px}.message-comparison{grid-template-columns:1fr;gap:20px}.message-case{padding:18px}.intervention-message{min-height:0}.demo-engine{display:block}.expertise-story .demo-engine p{margin-top:10px}.demo-engine br{display:none}.intervention-message br{display:none}}

.behavior-example img{border:1px solid var(--line)}.convergence-bridge .bridge-explanation{font-family:"Yu Gothic",sans-serif;font-size:14px;line-height:2;margin:20px auto;max-width:760px}.behavior-example a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}

/* Behavioral research uses the same image-and-copy rhythm as other fields. */
#behavior .behavior-example{grid-column:1;grid-row:1}#behavior .expertise-copy{grid-column:2;grid-row:1;max-width:none}
@media(max-width:800px){#behavior .behavior-example,#behavior .expertise-copy{grid-column:auto;grid-row:auto}}

/* Editorial refinement: one introduction, evidence-led research, quiet profile. */
.hero{min-height:590px;padding-top:45px;padding-bottom:45px}
.hero-art .venn-figure{max-width:520px;margin:auto}
.question{padding-top:42px;padding-bottom:42px}
.question h2{font-size:30px}.question p{margin-bottom:0}
.featured{margin-top:55px;padding-top:45px;border-top:1px solid var(--line)}
.editorial-about .about-body{display:block;max-width:920px;margin:auto;padding:45px 8%}
.about-links{display:flex;flex-wrap:wrap;gap:8px 22px}.about-links .text-link{margin-right:0}
@media(max-width:800px){.hero{min-height:0;padding-top:40px;padding-bottom:30px;gap:15px}.hero-art .venn-figure{max-width:340px}.question h2{font-size:26px}.question{padding-top:32px;padding-bottom:32px}.featured{margin-top:20px;padding-top:35px}.editorial-about .about-body{padding:30px 7%}}