:root{--ink:#202124;--muted:#62666b;--paper:#f7f5f1;--line:#dedbd4;--accent:#b64532;--deep:#2d3f3a;--white:#fff;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic","YuGothic","Noto Sans JP",sans-serif;line-height:1.75;background:#fff}a{color:inherit}.wrap{width:min(var(--max),calc(100% - 44px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.08)}.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{text-decoration:none;font-weight:750;letter-spacing:.01em;white-space:nowrap}.site-header nav{display:flex;gap:22px;align-items:center;font-size:14px}.site-header nav a{text-decoration:none;color:#303236}.site-header nav a:hover{color:var(--accent)}.site-header nav .lang{border:1px solid #c9c5bd;padding:7px 12px;border-radius:999px}.hero{height:min(640px,67vh);min-height:470px;position:relative;display:flex;align-items:flex-end;overflow:hidden}.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,15,14,.05),rgba(10,15,14,.68))}.hero-copy{position:relative;color:#fff;padding-bottom:68px}.eyebrow,.smallcap{text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:750}.hero h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(46px,7vw,86px);line-height:1;margin:.15em 0 .18em;letter-spacing:-.025em}.lead{font-size:clamp(20px,2.3vw,30px);margin:0}.intro{display:grid;grid-template-columns:2fr 1fr;gap:70px;padding:80px 0}.intro h2,.section-head h2{font-family:Georgia,"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(30px,3.5vw,47px);line-height:1.3;margin:.2em 0 .55em;font-weight:600}.intro p{font-size:16px}.intro-note{border-left:3px solid var(--accent);padding:10px 0 10px 28px;align-self:center}.intro-note p{margin:.25em 0}.smallcap{color:var(--accent);margin:0}.research-section{background:var(--paper);padding:76px 0 88px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:30px}.section-head>p{max-width:470px;color:var(--muted);margin-bottom:12px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:#fff;text-decoration:none;border:1px solid var(--line);transition:.2s ease;overflow:hidden}.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(0,0,0,.08)}.card img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;filter:saturate(.82)}.card-body{padding:24px 24px 28px}.card-body span{color:var(--accent);font-size:12px;letter-spacing:.15em;font-weight:700}.card h3{font-family:Georgia,"Yu Mincho",serif;font-size:26px;margin:.15em 0 .3em}.card p{color:var(--muted);margin:0;font-size:14px}.news{padding:82px 0}.text-link{text-decoration:none;color:var(--accent);font-weight:700}.news-list{border-top:1px solid var(--line)}.news-list article{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}.news-list time{font-variant-numeric:tabular-nums;color:var(--muted);font-weight:650}.news-list p{margin:0}.quicklinks{background:var(--deep);color:#fff}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr)}.quick-grid a{padding:38px 22px;text-decoration:none;border-right:1px solid rgba(255,255,255,.18)}.quick-grid a:first-child{border-left:1px solid rgba(255,255,255,.18)}.quick-grid strong{display:block;font-family:Georgia,"Times New Roman",serif;font-size:21px}.quick-grid span{font-size:13px;opacity:.75}footer{background:#17231f;color:#f0f1ef;padding:44px 0}.footer-grid{display:flex;justify-content:space-between;gap:30px}.footer-grid p{margin:.4em 0;font-size:13px}.muted{opacity:.55}@media(max-width:900px){.site-header nav a:not(.lang){display:none}.intro{grid-template-columns:1fr;gap:30px}.cards{grid-template-columns:1fr}.section-head{display:block}.quick-grid{grid-template-columns:1fr 1fr}.news-list article{grid-template-columns:110px 1fr}}@media(max-width:560px){.wrap{width:min(var(--max),calc(100% - 28px))}.nav-wrap{height:62px}.brand{font-size:14px}.hero{min-height:430px}.hero-copy{padding-bottom:42px}.intro,.news{padding:56px 0}.research-section{padding:56px 0}.quick-grid{grid-template-columns:1fr}.quick-grid a{border-left:0!important;border-right:0;border-bottom:1px solid rgba(255,255,255,.18)}.news-list article{display:block}.news-list time{display:block;margin-bottom:6px}.footer-grid{display:block}}

.page-title{background:var(--paper);border-bottom:1px solid var(--line);padding:58px 0 48px}
.page-title h1{font-family:Georgia,"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(38px,5vw,62px);line-height:1.15;margin:.12em 0 0;font-weight:600;letter-spacing:-.015em}
.content-section{padding:62px 0 86px}.content-prose{max-width:980px}.content-prose>div{max-width:100%}
.content-prose h2,.content-prose h3,.content-prose h4{font-family:Georgia,"Yu Mincho","Hiragino Mincho ProN",serif;line-height:1.4;color:var(--ink)}
.content-prose h2{font-size:31px;margin:2.2em 0 .8em;padding-bottom:.35em;border-bottom:1px solid var(--line)}
.content-prose h3{font-size:23px;margin:2em 0 .55em}.content-prose h4{font-size:18px;margin:1.6em 0 .45em}
.content-prose p{margin:.75em 0 1.15em}.content-prose ul,.content-prose ol{padding-left:1.45em}.content-prose li{margin:.6em 0}
.content-prose a{color:#8f3729;text-decoration-thickness:1px;text-underline-offset:3px}.content-prose a:hover{color:var(--accent)}
.content-prose img{max-width:100%;height:auto;display:block;margin:24px auto}.content-prose hr{border:0;border-top:1px solid var(--line);margin:38px 0}
.content-prose table{width:100%;border-collapse:collapse;display:block;overflow:auto}.content-prose td,.content-prose th{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.content-prose blockquote{margin:1.5em 0;padding:1em 1.3em;border-left:3px solid var(--accent);background:var(--paper)}
.content-prose strong,.content-prose b{font-weight:720}.content-prose iframe{max-width:100%}
@media(max-width:900px){.site-header nav{gap:13px}.site-header nav a{font-size:12px}.content-section{padding:46px 0 65px}.page-title{padding:42px 0 34px}}
@media(max-width:700px){.site-header nav{flex-wrap:wrap}.site-header nav a:not(.lang){display:inline-flex}.content-prose h2{font-size:26px}.content-prose h3{font-size:21px}}


/* Content-revision helpers */
.profile-summary,.archive-note,.archive-warning{border:1px solid #e2ddd5;background:#faf8f4;padding:1.1rem 1.25rem;margin:0 0 2rem;border-radius:8px}.archive-warning{border-left:4px solid #8b2f2f;background:#fff8f7}.profile-summary h2{margin-top:0}.legacy-content img{max-width:100%;height:auto}.legacy-content ul{padding-left:1.25rem}.legacy-content li{margin:.45rem 0}.legacy-content h3{margin-top:2.2rem;padding-top:.4rem;border-top:1px solid #e8e2da}.legacy-content a{overflow-wrap:anywhere}.legacy-content .block{margin-bottom:1.4rem}


/* Historical archive & access refinements */
.preservation-note{margin-top:1rem!important;padding-top:.8rem;border-top:1px solid #e6e0d8;color:var(--muted);font-size:.94rem}
.event-archive{margin-top:3rem;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:0}
.event-archive>summary{cursor:pointer;list-style:none;padding:1.1rem 0;font-family:Georgia,"Yu Mincho","Hiragino Mincho ProN",serif;font-size:1.2rem;font-weight:700;color:#6f2f25}
.event-archive>summary::-webkit-details-marker{display:none}.event-archive>summary::before{content:"＋";display:inline-block;width:1.7em;color:var(--accent)}.event-archive[open]>summary::before{content:"−"}.event-archive-intro{color:var(--muted);margin-top:0!important;padding-bottom:.6rem}
.access-intro{font-size:1.05rem;margin-bottom:2rem}.access-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.access-card{border:1px solid var(--line);background:#fff;padding:28px;border-radius:10px}.access-card h2{font-size:25px!important;margin:.25rem 0 1rem!important;border:0!important;padding:0!important}.access-card p:last-child{margin-bottom:0}.contact-box{margin-top:28px;padding:26px 28px;background:var(--paper);border-left:3px solid var(--accent)}.contact-box h2{font-size:24px!important;margin:0 0 .7rem!important;border:0!important;padding:0!important}.contact-note{font-size:.9rem;color:var(--muted)}
@media(max-width:760px){.access-grid{grid-template-columns:1fr}.access-card{padding:22px}}

/* Profile list cleanup */
.legacy-content ul { margin-top: .45rem; margin-bottom: 1.35rem; }
.legacy-content li { margin: .28rem 0; }
.legacy-content li > ul { margin-top: .35rem; margin-bottom: .55rem; }
.legacy-content h3 { margin-top: 2.1rem; margin-bottom: .7rem; }

.heading span {
  white-space: normal;
  word-break: keep-all;
  overflow-wrap: anywhere;
}



/* Feedback revision: scholarly navigation and archives */
.site-header nav .nav-item{position:relative;display:flex;align-items:center}
.site-header nav .nav-item>a{display:inline-flex;align-items:center;gap:.3em}
.site-header nav .nav-item.has-submenu>a::after{content:"▾";font-size:.72em;color:#777;margin-top:.1em}
.submenu{display:none;position:absolute;top:calc(100% + 12px);left:-16px;min-width:190px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 28px rgba(0,0,0,.10);padding:8px;z-index:50}
.submenu::before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
.site-header nav .nav-item:hover>.submenu,.site-header nav .nav-item:focus-within>.submenu{display:block}
.site-header nav .submenu a{display:block!important;padding:8px 10px;font-size:13px!important;white-space:nowrap;text-decoration:none}
.site-header nav .submenu a:hover{background:var(--paper)}
.news-archive-intro{margin:0 0 1.5rem;color:var(--muted)}
.news-archive-year{font-family:Georgia,"Yu Mincho","Hiragino Mincho ProN",serif;font-size:24px;margin:2.2rem 0 .5rem;padding-bottom:.35rem;border-bottom:1px solid var(--line)}
.archive-link-card{margin-top:3rem;padding:1.35rem 1.5rem;border:1px solid var(--line);background:var(--paper);border-radius:8px}
.archive-link-card h2{font-size:23px!important;margin:0 0 .5rem!important;border:0!important;padding:0!important}
.archive-link-card p{margin:.35rem 0}
.legacy-archive h2{margin-top:2.4rem}.legacy-archive h3{margin-top:1.8rem}.legacy-archive .record{padding:1rem 0;border-bottom:1px solid var(--line)}
.legacy-archive .record h3{margin:.1rem 0 .55rem}.legacy-archive .record p{margin:.5rem 0}
.nada-essay{margin:1.7rem 0 2.2rem;padding:1.4rem 1.6rem;background:#faf8f4;border-left:3px solid var(--accent)}
.nada-essay p{margin:.8rem 0}.nada-essay h4{margin:1.5rem 0 .45rem;font-size:17px}.nada-essay .signature{text-align:right;margin-top:1.4rem}
@media(max-width:900px){.site-header nav{flex-wrap:wrap}.site-header nav .nav-item:not(.lang-item){display:inline-flex}.submenu{display:none!important}}

/* Research detail figures: keep legacy diagrams near their native size for clarity */
.research-detail .legacy-content img{width:auto;max-width:min(100%,460px);height:auto;margin:24px auto}


/* Publication candidate v3 refinements */
.news-list .news-copy{margin:0;min-width:0}
.news-list .news-copy .balloon{margin:0}
html[lang="en"] .research-detail .legacy-content img{width:auto;max-width:min(100%,400px);height:auto;margin:24px auto}

/* EN research exact-size fallback */
html[lang="en"] .research-detail img{max-width:100%;height:auto}

@media(max-width:900px){.site-header nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px 12px}.site-header nav>a:not(.lang),.site-header nav>.nav-item:not(.lang-item){display:inline-flex}}