:root{--bg:#f7f7f4;--paper:#ffffff;--ink:#1d2528;--muted:#5f6b70;--line:#d9dfdd;--accent:#006b5f;--accent-strong:#00483f;--warm:#b2542d}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,segoe ui,sans-serif;line-height:1.65}a{color:var(--accent-strong);text-decoration-thickness:1px;text-underline-offset:.18em}.site-header{display:grid;grid-template-columns:minmax(18rem,auto)minmax(0,1fr);gap:1.25rem;align-items:center;padding:1rem clamp(1rem,4vw,3rem);border-bottom:1px solid var(--line);background:rgba(255,255,255,.92);position:sticky;top:0;z-index:10}.nav-toggle{display:none}.nav-toggle-button{display:none}.site-nav-panel{display:flex;gap:1rem;align-items:center;justify-content:flex-end;min-width:0}.brand{display:inline-flex;align-items:center;gap:.75rem;color:var(--ink);font-weight:700;text-decoration:none;min-width:0}.brand-logo{width:48px;height:48px;object-fit:contain;flex:none;border-radius:8px}.brand-text{display:grid;gap:.05rem;min-width:0}.brand-short,.brand-full{overflow-wrap:anywhere}.brand-short{font-size:1rem;line-height:1.2}.brand-full{color:var(--muted);font-size:.78rem;font-weight:500;line-height:1.25}.main-nav,.language-nav{display:flex;flex-wrap:wrap;gap:.45rem;align-items:center}.main-nav a,.language-nav a{display:inline-flex;min-height:2.05rem;align-items:center;border:1px solid var(--line);padding:.36rem .78rem;background:#fff;color:var(--ink);font-size:.9rem;font-weight:600;line-height:1;text-decoration:none;transition:background .15s ease,border-color .15s ease,color .15s ease}.main-nav a:hover,.main-nav a:focus-visible,.main-nav a.is-active,.language-nav a:hover,.language-nav a:focus-visible,.language-nav a.is-active{border-color:var(--ink);background:var(--ink);color:#fff;outline:none}.language-nav{border-left:1px solid var(--line);padding-left:1rem}.language-nav a{font-weight:800}.language-nav a[lang=en]{font-family:system-ui,-apple-system,BlinkMacSystemFont,segoe ui,sans-serif}.language-nav a[lang=ja]{font-family:system-ui,-apple-system,BlinkMacSystemFont,segoe ui,hiragino sans,yu gothic,meiryo,sans-serif}.hero{min-height:auto;display:grid;align-items:start;padding:clamp(2.4rem,5vw,4.5rem)clamp(1rem,4vw,3rem)clamp(2rem,4vw,3.2rem);background:var(--bg);color:var(--ink)}.hero-inner{width:100%}.hero h1{display:block;width:100%;max-width:none;margin:0;color:#050608;font-size:clamp(2.35rem,5.2vw,5rem);font-weight:850;line-height:1.06;overflow-wrap:normal}html[lang=en] .hero h1{font-size:clamp(1.75rem,3.1vw,3.35rem)}.hero-english-name{width:min(1400px,100%);margin:.55rem 0 0;color:#4f5d66;font-size:clamp(1.65rem,2.8vw,2.55rem);font-weight:600;line-height:1.35}.hero-eyebrow{width:min(1400px,100%);margin:0 0 1.2rem;color:#667085;font-size:clamp(.95rem,2vw,1.12rem);font-weight:700;line-height:1.35}.hero-rule{width:min(33vw,520px);height:1px;margin:2rem 0;background:var(--ink)}.hero-founded,.hero-description{width:min(1400px,100%);margin:0;font-size:clamp(1.05rem,2vw,1.28rem);line-height:1.55}.hero-founded{font-weight:500}.hero-description{margin-top:.2rem;color:#243036}.home-overview{width:min(1400px,calc(100% - 2rem));margin:0 auto;padding:clamp(1.4rem,3vw,2.4rem)0 clamp(3rem,6vw,5rem);border-top:1px solid var(--ink)}.home-overview-inner{width:100%;margin:0 auto}.section-label{margin:0 0 1.25rem;color:var(--muted);font-size:.82rem;font-weight:800;letter-spacing:.12em;line-height:1.35}.home-overview h2{margin:0 0 1.35rem;color:var(--ink);font-size:clamp(1.75rem,3vw,2.6rem);font-weight:760;line-height:1.18}.overview-copy{display:grid;gap:1.05rem}.overview-copy p{margin:0;color:#243036;font-size:clamp(1.02rem,1.45vw,1.16rem);line-height:1.72;text-align:justify;text-justify:inter-word}html[lang=ja] .overview-copy p{text-align:justify;text-justify:inter-character;word-break:auto-phrase}html[lang=zh] .overview-copy p{text-align:justify;text-justify:inter-character}.home-message{width:min(1400px,calc(100% - 2rem));margin:0 auto;padding:0 0 clamp(3rem,6vw,5rem)}.home-message h2,.message-block h2{margin:0 0 1.35rem;color:var(--ink);font-size:clamp(1.75rem,3vw,2.6rem);font-weight:760;line-height:1.15}.message-card{border:1px solid var(--line);background:#fff;padding:clamp(1.35rem,3vw,2rem)}.message-card p{margin:0 0 1.1rem;font-size:clamp(1rem,1.2vw,1.12rem);line-height:1.7}.message-card p:last-child{margin-bottom:0}.message-card .access-action{margin-top:1.4rem}.home-latest-news{width:min(1400px,calc(100% - 2rem));margin:0 auto;padding:0 0 clamp(3rem,6vw,5rem)}.latest-news-intro{margin:-.5rem 0 1.8rem;color:#243036;font-size:clamp(1rem,1.2vw,1.1rem)}.latest-news-list{display:grid;gap:1rem}.latest-news-card{border:1px solid var(--line);background:#fff;padding:1rem clamp(1rem,2.5vw,1.5rem)}.latest-news-card .meta{margin:0 0 .35rem;color:var(--muted);font-size:.86rem;font-weight:750;letter-spacing:.08em}.latest-news-card h3{margin:0 0 .25rem;color:var(--ink);font-size:clamp(1.05rem,1.5vw,1.25rem);line-height:1.35}.latest-news-card p{margin:0}.home-latest-news .access-action{margin:1rem 0 0}.home-access{width:min(1400px,calc(100% - 2rem));margin:0 auto;padding:0 0 clamp(3rem,6vw,5rem)}.home-access h2{margin:0 0 .6rem;color:var(--ink);font-size:clamp(1.9rem,3.4vw,3rem);font-weight:820;line-height:1.12}.home-access-intro{margin:0 0 clamp(1.5rem,3vw,2.2rem);color:#243036;font-size:clamp(1rem,1.25vw,1.12rem)}.home-access-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}.home-access-card{display:grid;align-content:start;gap:.65rem;min-height:100%;border:1px solid var(--line);background:#fff;padding:clamp(1.25rem,2.6vw,1.75rem)}.home-access-card h3{margin:0 0 .35rem;color:var(--ink);font-size:clamp(1.15rem,1.6vw,1.35rem);line-height:1.28}.home-access-card p{margin:0}.home-access-card .access-action{margin-top:.75rem}.actions{display:flex;flex-wrap:wrap;gap:.75rem}.button{display:inline-flex;align-items:center;min-height:2.75rem;padding:.65rem 1rem;border:1px solid rgba(255,255,255,.64);border-radius:6px;color:#fff;text-decoration:none}.button.primary{background:#fff;color:var(--accent-strong);border-color:#fff}.section-grid,.page{width:min(1120px,calc(100% - 2rem));margin:0 auto;padding:clamp(2rem,5vw,4rem)0}.section-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.panel,.card,.entry{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:1.25rem}.panel h2,.card h3,.entry h2{margin:0 0 .5rem;line-height:1.25}.project-subtitle{margin:-.15rem 0 .55rem;color:var(--muted);font-size:.98rem}.project-entry{border-top:1px solid var(--line);padding-top:.95rem}.project-entry h2{margin:0 0 .5rem;color:var(--ink);font-size:1.1rem;line-height:1.35}.project-entry p{margin-top:0}.project-role-group{padding:0 1.1rem 1rem}.project-role-group h3{margin:.2rem 0 .75rem;color:var(--muted);font-size:.95rem;letter-spacing:.02em}.member-subgroup{padding:0 1.1rem 1.1rem}.member-card{display:grid;grid-template-columns:minmax(0,1fr)auto;column-gap:1rem;align-content:start;align-items:start;row-gap:0}.member-card>h3,.member-card>.meta{grid-column:1}.member-card>.member-field,.member-card>.member-email{grid-column:1/-1}.member-photo{grid-column:2;grid-row:1/span 2;justify-self:end;width:136px;height:136px;margin:0;border:1px solid var(--line);border-radius:50%;background:#fff;overflow:hidden}.member-photo img{display:block;width:100%;height:100%;object-fit:cover}.member-subgroup h3{margin:.15rem 0 .75rem;color:var(--muted);font-size:.95rem;letter-spacing:.02em}.member-year-section{margin:0 1.1rem 1rem;border-top:1px solid var(--line)}.member-year-section summary{cursor:pointer;padding:.8rem 0;color:var(--ink);font-weight:700}.member-year-section .card-grid{padding-bottom:1rem}.member-current-label{display:block;color:var(--muted);font-weight:700}.member-field{display:grid;gap:.08rem;margin:.72rem 0 0}.member-field-value{display:block}.member-email{margin:.12rem 0 0;line-height:1.35}.member-email+.member-email{margin-top:.08rem}.member-card p,.member-card span,.member-card a{text-align:left;text-justify:auto}.member-card a{overflow-wrap:anywhere;word-break:normal}.member-email{display:block;white-space:normal}.contact-email{margin:.12rem 0 0;line-height:1.35}.contact-email+.contact-email{margin-top:.08rem}.compact-email-list{display:grid;gap:.08rem;margin:.12rem 0 0}.compact-email-list .contact-email{margin:0}.member-empty{padding:0 1.1rem 1.1rem}.page-header h1{margin:0 0 1.5rem;font-size:clamp(2rem,4vw,3.2rem);line-height:1.1}.content-group{margin-top:2rem}.content-group h2{border-bottom:2px solid var(--warm);padding-bottom:.45rem}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.research-directions{display:grid;gap:2rem}.research-direction{display:grid;gap:.85rem}.research-direction>p{margin:0;color:#243036;font-size:clamp(1rem,1.2vw,1.08rem);line-height:1.7}.research-topic-list{display:grid;gap:.75rem;margin-top:.5rem}.research-topic{border:1px solid var(--line);background:var(--paper);border-radius:8px}.research-topic summary{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr)auto;gap:.55rem;align-items:center;cursor:pointer;padding:.75rem .9rem;color:var(--ink);font-weight:750;line-height:1.35;list-style:none}.research-topic summary::-webkit-details-marker{display:none}.research-topic summary::before{content:"▶";color:var(--ink);font-size:.88rem;line-height:1}.research-topic[open] summary::before{content:"▼"}.research-topic-heading{display:block;min-width:0}.research-topic-title{display:block;min-width:0}.research-topic-link{position:static;justify-self:end;font-weight:700}.research-topic-body{display:grid;gap:.8rem;padding:0 .9rem .9rem}.research-topic-feature{display:grid;grid-template-columns:minmax(18rem,.95fr)minmax(18rem,1.05fr);gap:clamp(1rem,3vw,1.8rem);align-items:center}.research-topic-figure{margin:0;border:1px solid var(--line);background:#fff;box-shadow:0 .35rem 1rem rgba(29,37,40,.12)}.research-topic-figure img{display:block;width:100%;height:auto}.research-topic-copy{display:grid;gap:.8rem}.research-topic-publication{display:grid;gap:.25rem;padding-bottom:.6rem;border-bottom:1px solid var(--line)}.research-topic-publication h3{margin:0;color:var(--ink);font-size:1.05rem;line-height:1.35;letter-spacing:0;text-transform:none}.research-topic-publication p{margin:0}.research-contribution-list{margin:0;padding-left:1.2rem}.research-contribution-list li{margin:.35rem 0;line-height:1.65}.research-topic-body h3{margin:.25rem 0 0;color:var(--muted);font-size:.9rem;letter-spacing:.08em;text-transform:uppercase}.research-paper-list{display:grid;gap:.8rem}.research-paper{border-top:1px solid var(--line);padding-top:.75rem}.research-paper h4{margin:0 0 .25rem;color:var(--ink);font-size:1rem;line-height:1.35}.research-paper p{margin:.25rem 0 0}.stack{display:grid;gap:1rem}.hero-description,.latest-news-intro,.home-access-intro,.access-intro,.message-card p:not(.access-action),.latest-news-card p:not(.meta):not(.access-action),.home-access-card p:not(.access-action),.entry p:not(.meta):not(.access-action),.card p:not(.meta):not(.access-action),.project-entry p:not(.meta):not(.access-action),.publication-entry p:not(.meta):not(.access-action),.research-direction p:not(.meta):not(.access-action),.research-topic-body p:not(.meta):not(.access-action),.research-contribution-list li,.research-paper p:not(.meta):not(.access-action),.footer-affiliation,.footer-copyright{text-align:justify;text-justify:inter-word}html[lang=ja] .hero-description,html[lang=ja] .latest-news-intro,html[lang=ja] .home-access-intro,html[lang=ja] .access-intro,html[lang=ja] .message-card p:not(.access-action),html[lang=ja] .latest-news-card p:not(.meta):not(.access-action),html[lang=ja] .home-access-card p:not(.access-action),html[lang=ja] .entry p:not(.meta):not(.access-action),html[lang=ja] .card p:not(.meta):not(.access-action),html[lang=ja] .project-entry p:not(.meta):not(.access-action),html[lang=ja] .publication-entry p:not(.meta):not(.access-action),html[lang=ja] .research-direction p:not(.meta):not(.access-action),html[lang=ja] .research-topic-body p:not(.meta):not(.access-action),html[lang=ja] .research-contribution-list li,html[lang=ja] .research-paper p:not(.meta):not(.access-action),html[lang=ja] .footer-affiliation,html[lang=ja] .footer-copyright,html[lang=zh] .hero-description,html[lang=zh] .latest-news-intro,html[lang=zh] .home-access-intro,html[lang=zh] .access-intro,html[lang=zh] .message-card p:not(.access-action),html[lang=zh] .latest-news-card p:not(.meta):not(.access-action),html[lang=zh] .home-access-card p:not(.access-action),html[lang=zh] .entry p:not(.meta):not(.access-action),html[lang=zh] .card p:not(.meta):not(.access-action),html[lang=zh] .project-entry p:not(.meta):not(.access-action),html[lang=zh] .publication-entry p:not(.meta):not(.access-action),html[lang=zh] .research-direction p:not(.meta):not(.access-action),html[lang=zh] .research-topic-body p:not(.meta):not(.access-action),html[lang=zh] .research-contribution-list li,html[lang=zh] .research-paper p:not(.meta):not(.access-action),html[lang=zh] .footer-affiliation,html[lang=zh] .footer-copyright{text-align:justify;text-justify:inter-character}.publication-groups{display:grid;gap:2rem}.citation-overview{display:grid;grid-template-columns:minmax(14rem,.8fr)minmax(18rem,1.2fr);gap:1.4rem;align-items:stretch;margin:0 0 2rem;padding:1.1rem;border:1px solid var(--line);border-radius:8px;background:var(--paper)}.citation-overview h2{margin:0 0 .9rem;color:var(--ink);font-size:1.1rem;line-height:1.3}.citation-overview h2 span{display:inline-block;margin-left:.45rem;color:var(--muted);font-size:.78rem;font-weight:500}.citation-metrics-table{width:100%;border-collapse:collapse;font-size:.92rem;line-height:1.35}.citation-metrics-table th,.citation-metrics-table td{padding:.28rem .35rem;text-align:right;white-space:nowrap}.citation-metrics-table thead th{color:var(--ink);font-weight:650;border-bottom:1px solid var(--line)}.citation-metrics-table tbody th{color:var(--muted);font-weight:500;text-align:left}.citation-metrics-table tbody td{color:var(--ink);font-weight:700}.citation-chart{position:relative;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(1.7rem,1fr);gap:.45rem;align-items:end;min-height:11rem;padding:.5rem .1rem 0;border-bottom:1px solid var(--line)}.citation-bar-row{position:relative;z-index:1;display:grid;grid-template-rows:1fr auto;gap:.35rem;align-items:end;height:100%;min-width:0}.citation-bar{min-height:2px;height:max(2px,var(--bar-height));background:#7a7d7e}.citation-bar-row span{color:var(--muted);font-size:.72rem;text-align:center}.publication-year{display:grid;gap:.85rem}.publication-year h2{display:flex;flex-wrap:wrap;gap:.65rem;align-items:baseline;margin:0;color:var(--ink);font-size:clamp(1.55rem,3vw,2.2rem);line-height:1.2}.publication-section{background:var(--paper);border:1px solid var(--line);border-radius:8px}.publication-section summary{cursor:pointer;padding:.95rem 1.1rem;color:var(--ink);font-weight:750;list-style-position:inside}.publication-citation-total{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;padding:.08rem .52rem;color:var(--muted);font-size:.78rem;font-weight:650;line-height:1.45;white-space:nowrap}.publication-list{display:grid;gap:.9rem;padding:0 1.1rem 1.1rem}.publication-entry{border-top:1px solid var(--line);padding-top:.95rem}.publication-entry-header{display:flex;gap:.8rem;align-items:flex-start;justify-content:space-between}.publication-entry h3{margin:0 0 .35rem;font-size:1.06rem;line-height:1.35}.publication-number{color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}.publication-actions{display:inline-flex;flex:none;flex-wrap:wrap;gap:.45rem;justify-content:flex-end}.publication-citations{border:1px solid var(--line);border-radius:999px;padding:.12rem .55rem;color:var(--muted);font-size:.78rem;font-weight:650;line-height:1.5;white-space:nowrap}.publication-link-button{flex:none;border:1px solid var(--line);border-radius:999px;padding:.12rem .55rem;color:var(--accent-strong);font-size:.78rem;font-weight:750;line-height:1.5;text-decoration:none}.publication-link-button:hover{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 9%,transparent)}.publication-authors{margin:0 0 .3rem}.publication-author-self{font-weight:800;font-style:italic;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.16em}.publication-links{display:flex;flex-wrap:wrap;gap:.75rem}.empty-state{margin:0;color:var(--muted)}.meta{margin:0 0 .4rem;color:var(--muted);font-size:.92rem}.news-person-prefix{color:var(--ink);font-weight:650}.access-page{display:grid;gap:1.25rem}.access-intro{width:100%;margin:0 0 1rem;color:#243036;font-size:1.05rem;line-height:1.7}.access-grid{display:grid;grid-template-columns:minmax(14rem,.85fr)minmax(20rem,1.65fr);gap:1rem;align-items:stretch}.access-card{display:grid;align-content:start;gap:.55rem}.access-card p{margin:0}.message-block{margin-top:1.3rem}.access-map-card{min-width:0}.access-map{width:100%;min-height:270px;border:1px solid var(--line);border-radius:6px}.access-action{margin-top:.35rem}.access-button{display:inline-flex;align-items:center;min-height:2.35rem;padding:.45rem .9rem;border:1px solid var(--ink);border-radius:0;color:var(--ink);font-size:.82rem;font-weight:800;letter-spacing:.08em;line-height:1.2;text-decoration:none;text-transform:uppercase}.access-button:hover{background:var(--ink);color:var(--paper)}.site-footer{padding:1.8rem clamp(1rem,4vw,3rem);border-top:1px solid var(--line);background:rgba(255,255,255,.92);color:var(--muted)}.footer-inner{width:min(1120px,calc(100% - 2rem));margin:0 auto}.footer-title{margin:0 0 .35rem;color:var(--ink);font-size:.95rem;font-weight:800;letter-spacing:.08em;line-height:1.35;text-transform:uppercase}.footer-affiliation{margin:0 0 .25rem;color:#243036;font-size:.92rem;line-height:1.45}.footer-affiliation.secondary{color:#4f5d66;font-size:.9rem}.footer-copyright{margin:.35rem 0 0;color:var(--muted);font-size:.86rem;line-height:1.45}.footer-counter{margin:.85rem 0 0;color:var(--muted);font-size:.86rem;line-height:1.45}#busuanzi_value_site_pv{color:var(--ink);font-weight:750;font-variant-numeric:tabular-nums}html[lang=zh] .site-footer{font-family:system-ui,-apple-system,BlinkMacSystemFont,segoe ui,sans-serif}html[lang=zh] .brand{font-family:system-ui,-apple-system,BlinkMacSystemFont,segoe ui,sans-serif}@media(max-width:820px){.site-header{grid-template-columns:minmax(0,1fr)auto;gap:.75rem;padding:.75rem 1rem}.brand-logo{width:40px;height:40px}.brand-full{display:none}.nav-toggle-button{display:inline-flex;min-height:2.05rem;align-items:center;border:1px solid var(--ink);padding:.36rem .78rem;background:var(--ink);color:#fff;font-size:.9rem;font-weight:800;line-height:1;cursor:pointer}.site-nav-panel{display:none;grid-column:1/-1;width:100%;padding-top:.25rem}.nav-toggle:checked~.site-nav-panel{display:grid;gap:.65rem}.main-nav,.language-nav{width:100%;justify-content:flex-start}.language-nav{border-left:0;padding-left:0}.section-grid,.card-grid{grid-template-columns:1fr}.citation-overview{grid-template-columns:1fr}.citation-chart{grid-auto-columns:minmax(2rem,2.6rem);overflow-x:auto;padding-bottom:.3rem}.access-grid{grid-template-columns:1fr}.research-topic-feature{grid-template-columns:1fr}.home-access-grid{grid-template-columns:1fr}.hero h1,html[lang=en] .hero h1{font-size:clamp(2rem,10vw,3.2rem);line-height:1.08}}.member-card p,.member-card span,.member-card a,html[lang=ja] .member-card p,html[lang=ja] .member-card span,html[lang=ja] .member-card a,html[lang=zh] .member-card p,html[lang=zh] .member-card span,html[lang=zh] .member-card a{text-align:left;text-align-last:left;text-justify:auto}.member-card .member-email{display:block;white-space:normal;letter-spacing:0;word-spacing:normal}.member-card .member-field-value,.member-card .member-email a{overflow-wrap:anywhere;word-break:normal}.member-card .member-message-field .member-field-value{text-align:justify;text-align-last:left;text-justify:inter-word}html[lang=ja] .member-card .member-message-field .member-field-value,html[lang=zh] .member-card .member-message-field .member-field-value{text-align:justify;text-align-last:left;text-justify:inter-character}.member-card>h3{margin:0 0 .02rem;line-height:1.16}.member-card>.meta{margin:0;line-height:1.18}.member-card>.meta+.member-field{margin-top:.28rem}