@import "https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&display=swap";:root{--ink:#121212;--paper:#fff;--blue:#1c6e96;--blue-bright:#4fc3e0;--blue-tint:#e3f5fa;--muted:#5c6265;--line:#00000024;--sans:"Noto Sans JP", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);font-family:var(--sans);margin:0}a{color:inherit;text-decoration:none}.sub-header{background:var(--paper);z-index:5;justify-content:space-between;align-items:center;height:92px;padding:0 5.5vw;display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;display:flex}.brand-mark{background:var(--blue);border-radius:50%;flex-shrink:0;align-items:center;width:48px;height:48px;display:flex;overflow:hidden}.brand-mark img{object-fit:cover;width:100%;height:100%}.brand-copy{text-transform:uppercase;font-size:14px;line-height:1.25;display:grid}.brand-copy small{color:var(--muted);letter-spacing:.09em;margin-top:4px;font-size:13px}.header-right{align-items:center;gap:30px;display:flex}nav{gap:30px;display:flex}nav a,.back-link,.eyebrow{letter-spacing:.14em;font-size:14px;font-weight:600}.lang-toggle{letter-spacing:.08em;align-items:center;gap:6px;font-size:13px;font-weight:600;display:flex}.lang-toggle a{color:var(--blue)}.lang-toggle strong{color:var(--ink)}.lang-toggle span{color:var(--line)}.sub-main{padding:45px 10vw 110px}.back-link{color:var(--blue);margin-bottom:45px;display:inline-block}.sub-hero{grid-template-columns:1fr 1fr;align-items:stretch;min-height:570px;display:grid}.sub-hero:has(.member-groups){grid-template-columns:38% 62%}.sub-image{background-position:50%;background-size:cover;min-height:430px}.sub-hero:has(.member-groups) .sub-image{background-position:50% 72%;background-size:cover}.publications-hero,.books-hero,.members-hero,.news-hero,.contact-hero{min-height:0;display:block}.publications-hero .sub-image,.books-hero .sub-image,.members-hero .sub-image,.news-hero .sub-image,.contact-hero .sub-image{display:none}.books-hero .sub-copy,.members-hero .sub-copy,.news-hero .sub-copy,.contact-hero .sub-copy{padding:25px 0 0}.books-hero .lead,.members-hero .lead,.news-hero .lead,.contact-hero .lead{max-width:none}.publications-hero .sub-copy{max-width:980px;margin:0 auto;padding:25px 0 0}.sub-copy{align-self:center;padding:60px 8vw}.eyebrow{color:var(--blue);margin:0 0 25px}h1{letter-spacing:-.08em;margin:0 0 32px;font-size:clamp(48px,7vw,90px);font-weight:500;line-height:1}.lead{max-width:520px;margin:0 0 35px;font-size:20px;line-height:1.9}.profile-list,.member-list{border-top:1px solid var(--line);max-width:540px;margin:0}.profile-list div,.member-list div{border-bottom:1px solid var(--line);padding:17px 0}.profile-list div{grid-template-columns:90px 1fr;gap:20px;display:grid}.profile-list dt{color:var(--muted);font-size:14px}.profile-list dd{margin:0;font-size:14px;line-height:1.7}.member-groups{max-width:620px}.member-groups section{margin-bottom:34px}.member-groups h2{border-bottom:1px solid var(--line);margin:0;padding-bottom:12px;font-size:18px;font-weight:600}.member-list div{border-bottom:1px solid var(--line);padding:15px 0}.member-list strong{font-size:16px;font-weight:500}.member-list span{color:var(--muted);letter-spacing:.02em;margin-top:4px;font-size:14px;line-height:1.65;display:block}.member-links{flex-wrap:wrap;gap:8px 14px;margin-top:9px;display:flex}.member-links a{color:var(--blue);border-bottom:1px solid #1c6e9673;padding-bottom:2px;font-size:13px}.member-links a:after{content:" ↗";color:var(--blue)}.career-section{border-top:1px solid var(--line);padding-top:34px}.career-note{color:var(--muted);margin:0 0 18px;font-size:14px;line-height:1.8}.career-list{border-top:1px solid var(--line)}.career-list div{border-bottom:1px solid var(--line);grid-template-columns:145px 1fr;gap:20px;padding:15px 0;display:grid}.career-list strong{font-size:14px;font-weight:600}.career-list span{color:var(--muted);font-size:14px;line-height:1.8}.address{color:var(--muted);margin-bottom:28px;font-size:16px;line-height:2}.text-link{border-bottom:1px solid var(--ink);gap:20px;padding-bottom:8px;font-size:14px;display:inline-flex}.text-link span{color:var(--blue);font-size:18px}.research-topics,.publication-list{border-top:1px solid var(--line);max-width:620px}.publication-groups{max-width:760px}.publication-legend{color:var(--muted);margin:0 0 18px;font-size:14px}.publication-legend strong{color:var(--blue);font-size:16px}.publication-filters{flex-wrap:wrap;gap:10px;margin:0 0 36px;display:flex}.filter-btn{border:1px solid var(--line);color:var(--ink);cursor:pointer;font:inherit;background:0 0;padding:9px 18px;font-size:13px;font-weight:600;transition:background .2s,border-color .2s,color .2s}.filter-btn:hover{border-color:var(--blue)}.filter-btn.is-active{background:var(--blue);border-color:var(--blue);color:#fff}.publication-item{grid-template-columns:56px 1fr;gap:4px 18px;display:grid}.publication-year-badge{color:var(--blue);padding-top:2px;font-size:14px;font-weight:700}.publication-group{margin-bottom:42px}.publication-group summary{border-bottom:1px solid var(--line);cursor:pointer;padding:16px 0;font-size:22px;font-weight:600;list-style:none}.publication-group summary::-webkit-details-marker{display:none}.publication-group summary:after{color:var(--blue);content:"+";float:right;font-size:24px;font-weight:400}.publication-group[open] summary:after{content:"−"}.publication-group .publication-list{max-width:none}.publication-item{border-bottom:1px solid var(--line);padding:20px 0;display:block}.publication-year{color:var(--blue);font-size:14px;font-weight:600}.publication-item,.publication-item p,.publication-item a{color:var(--muted);margin:0;font-size:14px;line-height:1.9;display:block}.publication-item .publication-url{color:var(--blue);font-size:inherit;display:inline}.publication-title-link{color:var(--ink);text-decoration:underline;-webkit-text-decoration-color:var(--blue);text-decoration-color:var(--blue);font-weight:600;text-decoration-thickness:2px}.publication-no-break{white-space:nowrap;overflow-x:auto}.publication-authors{white-space:nowrap}.publication-item u{-webkit-text-decoration-color:var(--blue);text-decoration-color:var(--blue);text-decoration-thickness:2px}.publication-item strong{color:var(--ink);white-space:nowrap;font-weight:700;display:inline}.publication-item a{transition:color .2s;display:inline}.publication-item a:hover{color:var(--blue)}.publication-item b{color:var(--blue);font-size:16px;font-weight:400}.research-topics div,.publication-list a{border-bottom:1px solid var(--line);padding:16px 0;display:block}.research-topics strong,.publication-list>strong{font-size:15px;font-weight:600;display:block}.research-topics span,.publication-list span{color:var(--muted);margin-top:4px;font-size:14px;line-height:1.7;display:block}.publication-list a{transition:padding-left .2s}.publication-list a:hover{padding-left:8px}.book-note{border-left:3px solid var(--blue);color:var(--muted);max-width:500px;padding-left:20px;font-size:15px;line-height:2}.book-list{max-width:640px}.book-list article{border-top:1px solid var(--line);grid-template-columns:150px 1fr;align-items:start;gap:24px;padding:24px 0;display:grid}.book-list article:last-child{border-bottom:1px solid var(--line)}.book-cover{aspect-ratio:3/4;background:var(--blue-tint);object-fit:cover;width:150px;display:block}.book-list h2{margin:0 0 8px;font-size:20px;font-weight:600;line-height:1.5}.book-list p{color:var(--muted);margin:0 0 14px;font-size:14px;line-height:1.8}.book-list .book-authors{color:var(--ink);margin-bottom:8px;font-size:14px}.book-contribution{color:var(--blue);font-size:14px;font-weight:600;margin-bottom:14px!important}.book-featured{background:var(--blue-tint);grid-template-columns:150px 1fr;align-items:start;gap:24px;margin-bottom:30px;padding:24px;display:grid}footer{letter-spacing:.09em;justify-content:space-between;padding:27px 5.5vw;font-size:14px;display:flex}@media (width<=760px){.sub-header{height:auto;padding:22px 8vw}.sub-header nav{display:none}.sub-main{padding:35px 8vw 75px}.back-link{margin-bottom:30px}:is(.sub-hero,.sub-hero:has(.member-groups)){flex-direction:column;display:flex}.sub-image{order:0;min-height:300px}.publications-hero .sub-image{display:none}.publications-hero .sub-copy{padding:25px 0 10px}.sub-copy{padding:55px 0 10px}.sub-copy h1{font-size:58px}.lead{font-size:18px}.member-groups h2{font-size:17px}.member-list span{font-size:13px;line-height:1.6}.member-links{gap:8px 12px}.career-list div{display:block}.career-list span{margin-top:5px;display:block}.research-topics strong,.publication-list strong{font-size:14px}.publication-group summary{font-size:18px}.publication-item p,.publication-item a{font-size:14px}.book-featured,.book-list article{display:block}.book-cover{width:130px;margin-bottom:18px}footer{padding:22px 8vw;line-height:2;display:block}}.course-groups{max-width:620px}.course-groups section{margin-bottom:34px}.course-groups h2{border-bottom:1px solid var(--line);margin:0;padding-bottom:12px;font-size:18px;font-weight:600}.course-groups article{border-bottom:1px solid var(--line);padding:20px 0}.course-groups h3{margin:0 0 6px;font-size:17px;font-weight:600}.course-groups p{color:var(--muted);margin:0 0 10px;font-size:14px;line-height:1.8}.course-groups .course-term{color:var(--blue);letter-spacing:.04em;font-size:12px;font-weight:600}.course-links{flex-wrap:wrap;gap:8px 20px;display:flex}.course-links a{color:var(--blue);font-size:13px;font-weight:600}.news-groups{max-width:700px}.news-groups section{margin-bottom:34px}.news-groups h2{border-bottom:1px solid var(--line);margin:0;padding-bottom:12px;font-size:18px;font-weight:600}.news-item{border-bottom:1px solid var(--line);grid-template-columns:96px 1fr;gap:20px;padding:16px 0;display:grid}.news-item time{color:var(--blue);font-size:14px;font-weight:600}.news-item p{color:var(--muted);margin:0;font-size:14px;line-height:1.8}.news-item p a{color:var(--blue);white-space:nowrap;font-weight:600}@media (width<=760px){.news-item{display:block}.news-item time{margin-bottom:4px;display:block}}.contact-form{gap:22px;max-width:620px;display:grid}.contact-form label{gap:8px;font-size:14px;font-weight:600;display:grid}.contact-form em{color:var(--blue);margin-left:8px;font-size:14px;font-style:normal}.contact-form input,.contact-form select,.contact-form textarea{background:var(--paper);border:1px solid var(--line);color:var(--ink);font:inherit;border-radius:0;width:100%;padding:13px 14px;font-size:15px;font-weight:400}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--blue);outline:2px solid #1c6e9640}.contact-form textarea{resize:vertical}.contact-honeypot{opacity:0;width:0;height:0;position:absolute;left:-9999px}.contact-form button{background:var(--blue);color:#fff;cursor:pointer;font:inherit;border:0;justify-self:start;align-items:center;gap:18px;padding:15px 30px;font-size:15px;font-weight:600;display:inline-flex}.contact-form button:disabled{cursor:wait;opacity:.6}.contact-form button span{color:#fff}.contact-status{margin:0;font-size:14px;line-height:1.8}.contact-status[data-kind=success]{color:var(--blue);font-weight:600}.contact-status[data-kind=error]{color:#c0392b}.contact-address{margin-top:50px}