:root{color-scheme:light;--ink:#18222c;--muted:#65717d;--accent:#75613b;--accent-rgb:117 97 59;--line:#d9e0e5;--paper:#fff;--secondary-text:#35424e;--tertiary-text:#46535f;--on-accent:#fff;--header-bg:#fffffff0;--header-border:#d9e0e5db;--sticky-bg:#fffffff2;--avatar-shadow:rgb(var(--accent-rgb) / .12);--shell:72rem;--header-height:4.25rem;--side:13.5rem}@media screen and (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--ink:#ece8df;--muted:#aaa397;--accent:#c8ad72;--accent-rgb:200 173 114;--line:#3b3831;--paper:#151410;--secondary-text:#cec8bc;--tertiary-text:#bbb4a8;--on-accent:#151410;--header-bg:#151410f0;--header-border:#3b3831db;--sticky-bg:#151410f2;--avatar-shadow:#00000061}}:root[data-theme=dark]{color-scheme:dark;--ink:#ece8df;--muted:#aaa397;--accent:#c8ad72;--accent-rgb:200 173 114;--line:#3b3831;--paper:#151410;--secondary-text:#cec8bc;--tertiary-text:#bbb4a8;--on-accent:#151410;--header-bg:#151410f0;--header-border:#3b3831db;--sticky-bg:#151410f2;--avatar-shadow:#00000061}*{box-sizing:border-box}::selection{background:rgb(var(--accent-rgb) / .14)}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 1rem);background:var(--paper)}body{color:var(--ink);background:var(--paper);text-rendering:optimizelegibility;margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans JP,sans-serif;font-size:1rem;line-height:1.7}a{color:inherit;text-underline-offset:.2em;text-decoration-thickness:.08em}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2{letter-spacing:-.035em;font-family:ui-serif,Georgia,Noto Serif JP,serif;font-weight:500}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.shell{width:min(calc(100% - 3rem), var(--shell));margin-inline:auto}.skip-link{z-index:20;background:var(--accent);color:var(--on-accent);padding:.65rem 1rem;position:fixed;top:1rem;left:1rem;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}.site-header{z-index:10;min-height:var(--header-height);border-bottom:1px solid var(--header-border);background:var(--header-bg);backdrop-filter:blur(12px);position:sticky;top:0}.header-inner{min-height:var(--header-height);grid-template-columns:auto 1fr auto;align-items:center;gap:1.25rem clamp(1rem,2.4vw,2rem);display:grid}.wordmark{color:var(--accent);letter-spacing:-.015em;white-space:nowrap;font-family:ui-serif,Georgia,Noto Serif JP,serif;font-size:1rem;font-weight:600;line-height:1;text-decoration:none}.site-header nav{gap:clamp(1rem,2.2vw,1.75rem);display:flex}.main-navigation{justify-content:center}.site-header nav a,.language-link{letter-spacing:.04em;white-space:nowrap;text-underline-offset:.45em;font-size:.82rem;font-weight:650;text-decoration:underline #0000;transition:color .16s,text-decoration-color .16s}.site-header nav a:hover,.language-link:hover{text-decoration-color:rgb(var(--accent-rgb) / .38)}.language-link{color:var(--accent)}.language-link[aria-current=page]{text-decoration-color:var(--accent)}.header-actions{justify-self:end;align-items:center;gap:1rem;display:flex;position:relative}.site-header .language-navigation{flex-wrap:wrap;gap:.8rem}.no-js .theme-picker{display:none}.theme-picker{position:relative}.theme-picker summary{width:2rem;height:2rem;color:var(--muted);cursor:pointer;border-radius:50%;place-items:center;list-style:none;transition:color .16s,background-color .16s;display:grid}.theme-picker summary::-webkit-details-marker{display:none}.theme-picker summary:hover,.theme-picker[open] summary{color:var(--accent);background:rgb(var(--accent-rgb) / .08)}.theme-icon{width:1rem;height:1rem}.theme-icon circle{fill:none;stroke:currentColor;stroke-width:1.4px}.theme-icon path{fill:currentColor}.theme-menu{z-index:20;border:1px solid var(--line);background:var(--paper);border-radius:.3rem;min-width:8.5rem;padding:.35rem;position:absolute;top:calc(100% + .65rem);right:0;box-shadow:0 .8rem 2rem #00000024}.theme-option{width:100%;color:var(--ink);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:.2rem;justify-content:space-between;align-items:center;gap:1.5rem;padding:.5rem .65rem;font-size:.78rem;line-height:1.4;display:flex}.theme-option:after{content:"";background:0 0;border-radius:50%;flex:none;width:.35rem;height:.35rem}.theme-option:hover,.theme-option:focus-visible{background:rgb(var(--accent-rgb) / .08);color:var(--accent)}.theme-option:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.theme-option[aria-pressed=true]:after{background:var(--accent)}.hero{grid-template-columns:var(--side) minmax(0, 1fr);align-items:start;gap:0 3rem;padding-block:clamp(3.5rem,7vw,6rem);display:grid}.hero-index,.section-number{color:var(--accent);letter-spacing:.12em;align-self:start;font-size:.72rem;font-weight:750}.hero-index:after{content:"";background:var(--line);width:1px;height:clamp(3rem,6vw,5rem);margin:1rem 0 0 .35rem;display:block}.hero-content{max-width:52rem}.hero-intro{grid-template-columns:minmax(0,1fr) clamp(9rem,18vw,12rem);align-items:start;gap:clamp(2rem,5vw,4.5rem);display:grid}.avatar{aspect-ratio:1;border:1px solid var(--line);object-fit:cover;width:100%;height:auto;box-shadow:0 1.2rem 3rem var(--avatar-shadow);border-radius:50%}.eyebrow{color:var(--accent);letter-spacing:.16em;text-transform:uppercase;margin-bottom:1.25rem;font-size:.76rem;font-weight:750}.hero h1,.page-intro h1{overflow-wrap:break-word;margin-bottom:.25rem;font-size:clamp(3.2rem,8.5vw,7rem);line-height:.98}.japanese-name{color:var(--muted);letter-spacing:.14em;margin-bottom:2rem;font-size:.9rem}.hero-details{border-left:2px solid rgb(var(--accent-rgb) / .45);gap:.6rem;margin-bottom:1.75rem;padding-left:1rem;font-size:.9rem;line-height:1.55;display:grid}.hero-details p{margin:0}.position{color:var(--secondary-text);font-size:clamp(.95rem,1.6vw,1.05rem)}.position span{display:block}.position .role{color:var(--ink);font-size:1.08em;font-weight:650}.laboratory,.degree{color:var(--muted)}.laboratory a{color:var(--accent);font-weight:700}.laboratory span{margin-left:.25rem}.lede{max-width:46rem;color:var(--secondary-text);margin-bottom:1.75rem;font-family:ui-serif,Georgia,Noto Serif JP,serif;font-size:clamp(1.08rem,2vw,1.32rem);line-height:1.75}.profile-links{flex-wrap:wrap;gap:.5rem 1.25rem;display:flex}.profile-links a,.text-link{color:var(--accent);text-decoration:underline;text-decoration-color:rgb(var(--accent-rgb) / .24);text-underline-offset:.4em;font-size:.85rem;font-weight:700;text-decoration-thickness:1px;transition:text-decoration-color .16s}.profile-links a:hover,.text-link:hover{text-decoration-color:var(--accent)}.profile-links span,.text-link span,.membership-list span,.external-mark{margin-left:.3rem}.section{grid-template-columns:var(--side) minmax(0, 1fr);border-top:1px solid var(--line);gap:2rem 3rem;padding-block:clamp(2.75rem,5.5vw,4.75rem);display:grid}.section-heading{align-content:start;gap:.5rem;min-width:0;display:grid}.section-heading h2{color:var(--accent);overflow-wrap:normal;margin:0;font-size:clamp(1.6rem,2.1vw,1.95rem);line-height:1.15}.section-heading sup{color:var(--muted);vertical-align:top;margin-left:.4rem;font-family:ui-sans-serif,sans-serif;font-size:.65rem;font-weight:650}.section-body{min-width:0}.research-grid,.split-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr));gap:clamp(2rem,5vw,4rem);display:grid}.minor-heading{color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin-bottom:1rem;font-size:.72rem;font-weight:750}.keyword-list{flex-wrap:wrap;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}.keyword-list li{border:1px solid var(--line);border-radius:99rem;padding:.4rem .8rem;font-size:.9rem;line-height:1.45}.field-name{font-family:ui-serif,Georgia,Noto Serif JP,serif;font-size:1.28rem;line-height:1.45}.field-name span{color:var(--muted);margin-top:.45rem;font-family:ui-sans-serif,sans-serif;font-size:.8rem;display:block}.research-overview{gap:0;display:grid}.research-summary{max-width:46rem;color:var(--secondary-text);margin-bottom:1.5rem;font-family:ui-serif,Georgia,Noto Serif JP,serif;font-size:clamp(1.08rem,2vw,1.25rem);line-height:1.7}.research-flow{counter-reset:flow;flex-wrap:wrap;align-items:stretch;gap:.5rem 1.6rem;margin:0 0 2.5rem;padding:0;list-style:none;display:flex}.research-flow li{border:1px solid var(--line);color:var(--tertiary-text);border-radius:.25rem;padding:.45rem .85rem;font-size:.85rem;line-height:1.45;position:relative}.research-flow li:nth-child(2){border-color:rgb(var(--accent-rgb) / .55);color:var(--ink)}.research-flow li+li:before{content:"";background:var(--line);width:1.6rem;height:1px;position:absolute;top:50%;right:100%}.research-flow li+li:after{content:"";border-top:1px solid var(--muted);border-right:1px solid var(--muted);transform-origin:50%;width:6px;height:6px;margin-right:.25rem;position:absolute;top:calc(50% - 3px);right:calc(100% + 1px);transform:rotate(45deg)}.case-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;margin:0 0 2.75rem;padding:0;list-style:none;display:grid}.case{border:1px solid var(--line);border-top:2px solid rgb(var(--accent-rgb) / .55);border-radius:.25rem;flex-direction:column;min-width:0;padding:1.25rem 1.35rem 1.35rem;display:flex}.case-title{letter-spacing:-.01em;margin:0 0 1rem;font-family:ui-serif,Georgia,Noto Serif JP,serif;font-size:1.2rem;font-weight:500;line-height:1.3}.case-status{border:1px solid var(--muted);color:var(--muted);letter-spacing:.06em;vertical-align:.15em;white-space:nowrap;border-radius:99rem;margin-left:.4rem;padding:.05rem .5rem;font-family:Inter,ui-sans-serif,sans-serif;font-size:.68rem;font-weight:650;line-height:1.5;display:inline-block}.case-facts{gap:.35rem;margin:0 0 1rem;font-size:.85rem;line-height:1.5;display:grid}.case-facts>div{grid-template-columns:5.5rem minmax(0,1fr);align-items:baseline;gap:.75rem;display:grid}.case-facts dt{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:.68rem;font-weight:700}.case-facts dd{overflow-wrap:anywhere;min-width:0;margin:0}.case-facts dd[data-approach]{border:1px solid rgb(var(--accent-rgb) / .55);color:var(--accent);border-radius:.2rem;justify-self:start;padding:.02rem .55rem;font-size:.78rem;font-weight:650}.case-finding{color:var(--secondary-text);margin:0 0 1rem;font-size:.93rem;line-height:1.65}.case-papers{border-top:1px solid var(--line);margin-top:auto;padding-top:.8rem}.case-papers-label{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin:0 0 .35rem;font-size:.68rem;font-weight:700}.case-papers ul{margin:0;padding:0;list-style:none}.case-papers li{overflow-wrap:anywhere;margin:0;padding-block:.2rem;font-size:.82rem;line-height:1.5}.case-papers a{text-decoration-color:rgb(var(--accent-rgb) / .35)}.case-papers a:hover{text-decoration-color:var(--accent)}.case-paper-meta{color:var(--muted);font-variant-numeric:tabular-nums;margin-left:.25rem;font-size:.75rem}.research-columns{border-top:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem clamp(2rem,5vw,4rem);margin-bottom:2.5rem;padding-top:2rem;display:grid}.shared-task p{color:var(--secondary-text);margin:0;font-size:.93rem;line-height:1.65}.question-list{color:var(--secondary-text);gap:.6rem;margin:0;padding:0;font-size:.88rem;line-height:1.55;list-style:none;display:grid}.question-list strong{color:var(--ink);font-weight:700}.research-keywords{border-top:1px solid var(--line);grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:2rem clamp(2rem,5vw,4rem);padding-top:2rem;display:grid}.research-keywords .minor-heading{margin-bottom:.75rem}.research-keywords .keyword-list li{padding:.25rem .7rem;font-size:.82rem}.research-keywords .field-name{margin:0;font-size:1.1rem}.research-keywords .field-name+.field-name{margin-top:.5rem}@media (width<=1100px) and (width>=901px){.case-list{grid-template-columns:minmax(0,1fr)}}@media (width<=760px){.case-list{grid-template-columns:minmax(0,1fr);gap:1rem;margin-bottom:2rem}.case{padding:1rem 1rem 1.1rem}.research-columns,.research-keywords{grid-template-columns:minmax(0,1fr);gap:1.5rem;padding-top:1.5rem}.research-columns{margin-bottom:1.75rem}.research-flow{flex-direction:column;gap:1.1rem;margin-bottom:2rem}.research-flow li{align-self:flex-start}.research-flow li+li:before{width:1px;height:1.1rem;inset:auto auto 100% 1.2rem}.research-flow li+li:after{margin:0;inset:auto auto calc(100% + .2rem) calc(1.2rem - 2.5px);transform:rotate(135deg)}}@media (width<=420px){.case-facts>div{grid-template-columns:1fr;gap:0}}.publication-list{border-top:1px solid var(--ink)}.presentation-heading-part{display:inline-block}.publication{border-bottom:1px solid var(--line);grid-template-columns:6.5rem minmax(0,1fr);gap:1.25rem;padding-block:1.25rem;display:grid}.publication-date{color:var(--muted);font-variant-numeric:tabular-nums;margin:.25rem 0 0;font-size:.78rem}.publication-category{color:var(--muted);letter-spacing:.02em;margin:0 0 .3rem;font-size:.72rem;font-weight:600;line-height:1.4}.publication-category[data-category=journal]{color:var(--ink);font-weight:750}.publication-category:lang(en),:lang(en) .publication-category{letter-spacing:.1em;text-transform:uppercase;font-size:.68rem}.year-group .publication-category{margin-top:.1rem}.publication h3{margin:0 0 .5rem;font-family:ui-serif,Georgia,Noto Serif JP,serif;font-size:clamp(1.08rem,2vw,1.28rem);font-weight:500;line-height:1.45}.publication h3 a{text-decoration:none}.publication h3 a:hover{color:var(--accent);text-decoration:underline;text-decoration-color:rgb(var(--accent-rgb) / .38)}.authors,.publication-meta,.doi{color:var(--muted);margin-bottom:.3rem;font-size:.78rem;line-height:1.55}.publication-meta cite{font-style:italic}.doi{margin-bottom:0}.doi a,.publication-meta a,.laboratory a,.timeline-laboratory a{color:var(--accent);text-decoration-color:rgb(var(--accent-rgb) / .3);font-weight:700}.doi a:hover,.publication-meta a:hover,.laboratory a:hover,.timeline-laboratory a:hover{text-decoration-color:var(--accent)}.selected-list{margin-bottom:1.5rem}.text-link{align-items:center;gap:.55rem;display:inline-flex}.timeline,.compact-list{margin:0;padding:0;list-style:none}.timeline li,.compact-list li{border-top:1px solid var(--line);grid-template-columns:6.5rem minmax(0,1fr);gap:1rem;padding-block:.9rem;display:grid}.timeline li>div,.compact-list li>div{overflow-wrap:anywhere;min-width:0}.timeline p,.compact-list p{margin-bottom:0}.timeline-date,.compact-list time,.compact-list>li>span{color:var(--muted);font-variant-numeric:tabular-nums;font-size:.76rem}.timeline-title,.compact-list strong{font-size:.92rem;font-weight:700}.timeline li div>p:not(.timeline-title),.compact-list p{color:var(--tertiary-text);font-size:.82rem}.timeline-laboratory span{margin-left:.25rem}.muted{color:var(--muted)!important}.memberships-heading{margin-top:2.5rem}.membership-list{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.membership-list li{border-bottom:1px solid var(--line)}.membership-list a{justify-content:space-between;padding:.8rem 0;font-size:.88rem;text-decoration:none;display:flex}.page-intro{padding-block:clamp(3.5rem,7vw,5.5rem) clamp(2rem,4vw,3rem)}.page-intro h1{font-size:clamp(2.5rem,10.5vw,6rem)}.publication-section{align-items:start}.year-groups{gap:2.5rem;display:grid}.year-group{display:block}.year-group>h3{color:var(--accent);letter-spacing:.1em;font-variant-numeric:tabular-nums;margin:0 0 .5rem;font-size:.82rem;font-weight:750}.year-group .publication-list{border-top:1px solid var(--line)}.year-group .publication{grid-template-columns:minmax(0,1fr);gap:.2rem;padding-block:1.1rem}.year-group .publication-date.year-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.year-group .publication-date{letter-spacing:.04em;order:-1;margin:0;font-size:.74rem}.misc-section{padding-bottom:2.5rem}.misc-disclosure>summary{cursor:pointer;border-block:1px solid var(--ink);color:var(--accent);justify-content:space-between;gap:1rem;padding:1rem 0;font-weight:700;list-style:none;display:flex}.misc-disclosure>summary::-webkit-details-marker{display:none}.misc-disclosure>summary span{transition:transform .16s}.misc-disclosure[open]>summary span{transform:rotate(45deg)}.misc-disclosure .year-groups{margin-top:2.5rem}.page-end{padding-bottom:4rem}.not-found{min-height:70vh;padding-block:6rem}.not-found h1{margin-bottom:1rem;font-size:clamp(2.6rem,8vw,6rem)}.site-footer{border-top:1px solid var(--line)}.footer-inner{justify-content:space-between;gap:1rem;padding-block:1.75rem;display:flex}.footer-inner p{color:var(--muted);margin:0;font-size:.74rem}.language-group{flex-wrap:wrap;gap:.8rem;display:flex}.language-group:not([data-fragment=""]),body:has(#about:target) .language-group[data-fragment=""]{display:none}body:has(#about:target) .language-group[data-fragment=about]{display:flex}body:has(#research:target) .language-group[data-fragment=""]{display:none}body:has(#research:target) .language-group[data-fragment=research]{display:flex}body:has(#publications:target) .language-group[data-fragment=""]{display:none}body:has(#publications:target) .language-group[data-fragment=publications]{display:flex}body:has(#talks:target) .language-group[data-fragment=""]{display:none}body:has(#talks:target) .language-group[data-fragment=talks]{display:flex}body:has(#cv:target) .language-group[data-fragment=""]{display:none}body:has(#cv:target) .language-group[data-fragment=cv]{display:flex}body:has(#recognition:target) .language-group[data-fragment=""]{display:none}body:has(#recognition:target) .language-group[data-fragment=recognition]{display:flex}@media (width>=901px){.section-heading{top:calc(var(--header-height) + 1.5rem);align-self:start;position:sticky}}@media (width<=900px){.hero,.section{grid-template-columns:minmax(0,1fr);gap:1.5rem}.hero-index{display:none}.section-heading{grid-template-columns:auto 1fr;align-items:baseline;gap:.75rem}.section-heading h2{font-size:1.8rem}.research-grid,.split-grid{gap:2.5rem}.header-inner{gap:.75rem 1rem}.site-header nav{gap:1rem}.site-header nav a,.language-link{letter-spacing:.02em}.site-header .language-navigation,.language-group{gap:.6rem}}@media (width<=760px){:root{--header-height:0px}html{scroll-padding-top:1rem}.shell{width:min(calc(100% - 2rem), var(--shell))}.site-header{backdrop-filter:none;min-height:0;position:static}.header-inner{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand theme""nav nav""lang lang";gap:.1rem 1rem;min-height:0;padding-block:.55rem .4rem}.header-actions{display:contents}.wordmark{grid-area:brand;padding-block:.55rem}.theme-picker{grid-area:theme;justify-self:end}.theme-picker summary{width:2.5rem;height:2.5rem}.site-header .main-navigation{flex-wrap:wrap;grid-area:nav;justify-content:flex-start;gap:0 1.35rem}.site-header .language-navigation{border-top:1px solid var(--line);grid-area:lang;justify-content:flex-start;gap:0 1.35rem;margin-top:.2rem;padding-top:.1rem}.main-navigation a,.language-link{padding-block:.55rem;display:inline-block}.language-group{gap:0 1.35rem}.hero{padding-block:2.5rem 3.5rem}.hero h1{font-size:clamp(2.9rem,14.5vw,4.6rem)}.hero-intro{grid-template-columns:1fr;gap:1.5rem}.avatar{order:-1;width:6.5rem}.japanese-name{margin-bottom:1.5rem}.section{padding-block:2.5rem}.publication,.timeline li,.compact-list li{grid-template-columns:1fr;gap:.3rem}.publication-date{margin:0}.year-group>h3{z-index:2;background:var(--sticky-bg);margin:0;padding:.5rem 0;position:sticky;top:0}.footer-inner{display:block}.footer-inner p+p{margin-top:.35rem}}@media (width<=400px){.site-header .main-navigation,.site-header .language-navigation,.language-group{gap:0 1rem}.site-header nav a,.language-link{letter-spacing:.01em;font-size:.8rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{.site-header,.site-footer,.profile-links,.page-end{display:none}.hero{min-height:auto}.section{break-inside:avoid}.section-heading{position:static}}
