/* 共通の配色。サイト全体の色はここで調整できます。 */
:root {
  --paper: #fbfcff;
  --ink: #1d2945;
  --muted: #5f6c83;
  --accent: #4f51ad;
  --line: #dce2ef;
  --soft: #f0f2fb;
  --scrollbar: #b7c0d9;
  --tag-line: #d4d8f2;
  --serif: "Zen Kaku Gothic New", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --sans: "Zen Kaku Gothic New", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --paper: #151b28;
  --ink: #e8edf7;
  --muted: #adb8ce;
  --accent: #b6b2ff;
  --line: #354057;
  --soft: #202a3d;
  --scrollbar: #596982;
  --tag-line: #535c85;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.9; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
::selection { background: var(--soft); color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
[hidden] { display: none !important; }
.wrap { width: min(1120px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; padding: 10px 18px; background: var(--ink); color: var(--paper); }
.skip-link:focus { top: 12px; }
.site-header { position: relative; z-index: 20; border-bottom: 1px solid var(--line); }
.header-inner { min-height: 100px; display: flex; align-items: center; gap: 30px; }
.brand { display: grid; gap: 1px; margin-right: auto; white-space: nowrap; line-height: 1.5; }
.brand-name { font-size: 15px; font-weight: 600; letter-spacing: .12em; }
.brand-sub { font-size: 10px; letter-spacing: .18em; color: var(--muted); }
.primary-nav { display: flex; align-items: center; gap: 25px; }
.primary-nav a { position: relative; padding: 12px 0; font-size: 14px; white-space: nowrap; }
.primary-nav a::after { content: ""; position: absolute; height: 1px; background: var(--accent); bottom: 4px; left: 0; right: 0; transform: scaleX(0); transition: transform .2s ease; transform-origin: left; }
.primary-nav a:hover::after, .primary-nav a[aria-current]::after { transform: scaleX(1); }
.primary-nav a[aria-current] { color: var(--accent); }
.language-switch { display: flex; align-items: center; flex-shrink: 0; gap: 9px; margin-left: 6px; font-size: 11px; letter-spacing: .08em; white-space: nowrap; }
.language-switch span { color: var(--muted); }
.language-switch a { padding-block: 8px; }
.language-switch a[aria-current] { color: var(--accent); text-decoration: underline; text-underline-offset: 5px; }
.header-controls { display: flex; align-items: center; flex-shrink: 0; gap: 10px; }
.theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; padding: 6px; border: 1px solid var(--line); border-radius: 50%; background: transparent; }
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); background: var(--soft); }
.theme-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.theme-icon--sun { display: none; }
:root[data-theme="dark"] .theme-icon--moon { display: none; }
:root[data-theme="dark"] .theme-icon--sun { display: block; }
.menu-toggle { display: none; align-items: center; justify-content: center; border: 1px solid var(--line); width: 42px; height: 42px; padding: 10px; background: transparent; }
.menu-symbol { position: relative; display: block; width: 19px; height: 10px; border-top: 1px solid; border-bottom: 1px solid; transition: transform .2s; }
.menu-toggle[aria-expanded="true"] .menu-symbol { height: 0; border-bottom: 0; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-symbol::after { content: ""; position: absolute; width: 19px; top: -1px; left: 0; border-top: 1px solid; transform: rotate(90deg); }
.eyebrow { margin: 0; font-size: 12px; font-weight: 500; letter-spacing: .19em; line-height: 1.6; }
.accent { color: var(--accent); }
.hero { display: grid; grid-template-columns: 1fr 1.15fr; align-items: center; gap: 44px; padding-block: 66px 62px; }
.hero-copy { padding-bottom: 8px; }
.hero h1 { margin: 25px 0 24px; font-family: var(--serif); font-size: clamp(36px, 3.8vw, 54px); line-height: 1.55; font-weight: 500; letter-spacing: .025em; }
.hero h1 span { display: block; }
.hero-description { margin: 0; color: var(--muted); font-size: 16px; line-height: 2.25; letter-spacing: .055em; }
.text-link { display: inline-flex; align-items: center; gap: 32px; margin-top: 28px; padding-bottom: 5px; border-bottom: 1px solid var(--ink); font-size: 14px; }
.text-link:hover { color: var(--accent); border-color: var(--accent); }
.text-link .arrow { font-size: 18px; line-height: 1; transition: transform .2s; }
.text-link:hover .arrow { transform: translate(3px, -3px); }
.hero-contact { display: flex; flex-wrap: wrap; gap: 4px 12px; margin: 18px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.obfuscated-email { white-space: nowrap; }
.hero-social-links { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.hero-social-links a { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; color: var(--muted); }
.hero-social-links a:hover, .hero-social-links a:focus-visible { color: var(--accent); background: var(--soft); }
.hero-social-links svg { display: block; width: 22px; height: 22px; fill: currentColor; }
.hero-figure { margin: 0; }
.hero-figure img { width: 100%; height: auto; aspect-ratio: 5 / 4; object-fit: contain; }
.hero-figure figcaption { margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.7; text-align: right; }
.news-section { display: grid; grid-template-columns: 260px 1fr; gap: 48px; border-top: 1px solid var(--line); padding-block: 44px 55px; }
.section-title { font-family: var(--serif); font-size: 25px; font-weight: 500; letter-spacing: .025em; margin: 9px 0 12px; line-height: 1.7; }
.section-caption { font-size: 13px; color: var(--muted); line-height: 1.9; margin: 0; }
.news-scroll { max-height: 290px; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: var(--scrollbar) transparent; padding-right: 15px; }
.news-list { list-style: none; margin: 0; padding: 0; }
.news-item { padding-block: 6px 25px; border-bottom: 1px solid var(--line); margin-bottom: 22px; }
.news-item:last-child { margin-bottom: 0; }
.news-meta { display: flex; align-items: center; gap: 18px; font-size: 12px; letter-spacing: .08em; }
.news-meta time { color: var(--muted); font-variant-numeric: tabular-nums; }
.news-tag { color: var(--accent); border: 1px solid var(--tag-line); padding: 0 8px; line-height: 1.8; font-size: 11px; }
.news-item p { margin: 10px 0 0; font-size: 16px; line-height: 2; }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding-block: 25px 28px; }
.footer-name { margin: 0; font-size: 13px; letter-spacing: .07em; }
.copyright { margin: 2px 0 0; font-size: 11px; color: var(--muted); letter-spacing: .07em; }
.back-top { font-size: 11px; letter-spacing: .1em; }
.back-top:hover { color: var(--accent); }
.page-main { min-height: calc(100vh - 205px); padding-bottom: 65px; }
.media-body { min-height: 200px; padding-block: 40px 52px; }
.media-list { list-style: none; margin: 0; padding: 0; }
.media-entry { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 28px; padding-block: 27px; border-bottom: 1px solid var(--line); }
.media-entry:first-child { padding-top: 0; }
.media-entry:last-child { border-bottom: 0; padding-bottom: 0; }
.media-date { padding-top: 2px; color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
.media-entry-content { min-width: 0; }
.media-meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin: 0; color: var(--muted); font-size: 14px; }
.media-kind { color: var(--accent); font-size: 12px; }
.media-title { margin: 8px 0 12px; font-size: 18px; font-weight: 500; line-height: 1.9; overflow-wrap: anywhere; }
.media-link { color: var(--accent); font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }
.media-link:hover { text-decoration-thickness: 2px; }
.page-heading { display: grid; grid-template-columns: 1fr; align-items: center; border-bottom: 1px solid var(--line); padding-block: 66px 44px; }
.page-heading h1 { font-family: var(--serif); font-size: clamp(34px, 4vw, 50px); font-weight: 400; letter-spacing: .07em; line-height: 1.65; margin: 12px 0; }
.page-heading .page-lead { font-size: 16px; color: var(--muted); margin: 0; }
.page-body { display: grid; grid-template-columns: 260px 1fr; gap: 48px; padding-block: 40px 52px; }
.page-body.teaching-body { display: block; }
.teaching-updates { margin-bottom: 40px; }
.teaching-history > h2 { margin: 0 0 25px; font-size: 22px; font-weight: 400; }
.teaching-list { list-style: none; margin: 0; padding: 0; }
.teaching-entry { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 28px; padding-block: 22px; border-top: 1px solid var(--line); }
.teaching-period { padding-top: 3px; color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
.teaching-entry h3 { margin: 0 0 6px; font-size: 18px; font-weight: 500; line-height: 1.9; }
.teaching-institution { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.research-intro { max-width: 900px; padding-top: 18px; }
.research-intro p { margin: 0; font-size: 16px; line-height: 2.1; }
.research-intro p + p { margin-top: 16px; }
.research-projects { padding-block: 38px 52px; }
.research-projects > h2 { margin: 0 0 25px; font-size: 22px; font-weight: 400; }
.project-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.project-card { min-width: 0; }
.project-card-link { display: block; }
.project-card-link img { width: 100%; height: auto; aspect-ratio: 1619 / 972; object-fit: contain; }
.project-card-link h3 { display: flex; align-items: baseline; gap: 12px; min-height: 3.6em; margin: 17px 0 10px; font-size: 18px; line-height: 1.8; font-weight: 500; }
.project-card-subtitle { display: inline-block; white-space: nowrap; }
.project-card-arrow { flex-shrink: 0; color: var(--accent); }
.project-card-link p { margin: 0; color: var(--muted); font-size: 16px; line-height: 2; }
.project-card-link:hover h3 { color: var(--accent); }
.project-card-link:hover img { opacity: .94; }
@media (min-width: 1216px) {
  /* Let the three project illustrations grow from 1120px to at most 1280px as a group. */
  .research-projects { margin-inline: max(-80px, calc(608px - 50vw)); }
}
.project-page-heading h1 { font-size: clamp(30px, 3.2vw, 42px); letter-spacing: .02em; line-height: 1.6; }
.project-introduction { max-width: 900px; padding-top: 14px; }
.project-introduction > p { margin: 0; font-size: 16px; line-height: 2.1; }
.project-keywords { display: flex; flex-wrap: wrap; gap: 2px 16px; margin: 18px 0 0; color: var(--muted); font-size: 14px; line-height: 2; }
.project-keywords dt { flex-shrink: 0; }
.project-keywords dd { flex: 1 1 220px; min-width: 0; margin: 0; }
.project-detail { padding-bottom: 42px; }
.project-back { margin: 26px 0 32px; color: var(--muted); font-size: 13px; }
.project-back a:hover { color: var(--accent); }
.project-overview { max-width: 900px; }
.project-research-overview > h2 { margin: 0 0 20px; color: var(--muted); font-size: 18px; font-weight: 400; }
.project-study-title, .project-related > h2 { font-size: 22px; font-weight: 400; line-height: 1.8; margin: 0 0 18px; }
.project-overview-copy p { margin: 0; color: var(--muted); font-size: 16px; line-height: 2.1; }
.project-overview-copy p + p { margin-top: 14px; }
.project-task-figure { margin: 30px 0 32px; }
.task-illustration { display: block; max-width: 560px; margin: 0 auto; background: #fbfcff; }
.task-illustration img { display: block; width: 100%; height: auto; }
.task-participants { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; max-width: 680px; margin: 8px auto 26px; }
.task-participant { text-align: center; color: var(--muted); font-size: 14px; line-height: 1.8; }
.task-participant strong { color: var(--ink); font-weight: 500; }
.task-participant small { display: block; font-size: 13px; }
.task-input { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 7px; }
.task-input > svg { flex-shrink: 0; }
.task-person-a, .task-person-b { display: inline-flex; justify-content: center; align-items: center; width: 20px; height: 20px; margin-right: 6px; color: #fff; font: 12px/1 var(--sans); }
.task-person-a { background: #4f728b; border-radius: 50%; }
.task-person-b { background: #7765a3; border-radius: 4px; }
.task-protocol { display: grid; grid-template-columns: minmax(170px, .85fr) minmax(0, 1.8fr); gap: 28px; padding: 22px 0 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.task-step h4 { margin: 0 0 10px; color: var(--ink); font-size: 16px; font-weight: 500; }
.task-step svg { display: block; width: 100%; height: auto; overflow: visible; }
.project-overview-copy .task-step p { margin: 7px 0 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
.project-task-figure figcaption { margin-top: 12px; color: var(--muted); font-size: 13px; line-height: 1.9; }
@media (max-width: 600px) {
  .task-protocol { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .task-step--reference svg { max-width: 240px; }
  .task-participants { gap: 8px; margin-bottom: 20px; }
  .task-participant { font-size: 13px; }
  .task-participant small { font-size: 12px; }
}
.figure-ref { color: var(--accent); white-space: nowrap; text-decoration: underline; text-underline-offset: 3px; }
.figure-ref:hover { text-decoration-thickness: 2px; }
.project-result-figure { min-width: 0; margin: 0; }
.project-overview-copy > .project-result-figure { margin: 30px 0 32px; }
.project-result-figure img { display: block; width: 100%; height: auto; }
.instability-composite picture { display: block; }
.project-image { display: block; }
.project-result-figure figcaption { margin-top: 12px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.figure-caption-title { display: block; margin-bottom: 4px; color: var(--ink); font-size: 14px; font-weight: 500; }
.figure-source { display: block; margin-top: 4px; }
.figure-source a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.network-comparison { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
.network-panel { min-width: 0; }
.network-label { margin: 0 0 14px; font-size: 16px; }
.project-overview-copy .network-label { margin: 0 0 14px; color: var(--ink); }
.network-plate { display: flex; align-items: center; justify-content: center; aspect-ratio: 680 / 315; }
:root[data-theme="dark"] .project-result-figure .project-image,
:root[data-theme="dark"] .network-plate { background: #fbfcff; border-radius: 4px; overflow: hidden; }
.project-related { margin-top: 44px; }
.project-paper-list { list-style: none; padding: 0; margin: 0; }
.project-paper { border-top: 1px solid var(--line); padding-block: 22px; }
.project-paper:last-child { padding-bottom: 0; }
.project-paper-meta { margin: 0 0 7px; color: var(--muted); font-size: 13px; }
.project-paper h3 { margin: 0 0 9px; font-size: 16px; line-height: 1.9; font-weight: 500; }
.project-paper h3 a:hover { color: var(--accent); }
.project-paper-authors { margin: 0; color: var(--muted); font-size: 14px; }
.project-paper-authors strong { color: var(--ink); font-weight: 600; }
.page-note { font-size: 14px; color: var(--muted); margin: 12px 0 0; max-width: 220px; }
.status { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; letter-spacing: .06em; }
.status::before { content: ""; width: 5px; height: 5px; background: var(--accent); border-radius: 50%; }
.content-block { padding-block: 0 28px; margin-bottom: 25px; border-bottom: 1px solid var(--line); }
.content-block:last-child { margin-bottom: 0; }
.content-block h2 { font-family: var(--serif); font-size: 22px; font-weight: 400; letter-spacing: .04em; margin: 0 0 12px; }
.content-block p { font-size: 16px; margin: 0; color: var(--muted); }
.page-body.contact-body { display: block; max-width: 760px; }
.content-block .contact-email { color: var(--ink); font-size: 18px; }
.content-block .contact-email-note { margin-top: 9px; font-size: 14px; }
.profile-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.profile-links a { display: inline-flex; align-items: center; gap: 16px; font-size: 14px; color: var(--muted); }
.profile-links a:hover { color: var(--accent); }
.content-block .name { color: var(--ink); font-family: var(--serif); font-size: 27px; letter-spacing: .08em; margin-bottom: 3px; }
.name-en { font-size: 13px; letter-spacing: .1em; color: var(--muted); }
.profile-list { margin: 22px 0 0; }
.profile-list.profile-degree { margin: 0 0 24px; }
.profile-list > div { display: grid; grid-template-columns: 120px 1fr; padding: 11px 0; border-top: 1px solid var(--line); font-size: 14px; }
.profile-list dt { color: var(--ink); }
.profile-list dd { color: var(--muted); margin: 0; }
.membership-list { list-style: none; margin: 0; padding: 0; }
.membership-list li + li { margin-top: 5px; }
.page-body.publications-layout { grid-template-columns: 230px minmax(0, 1fr); }
.publications-aside { position: sticky; top: 32px; align-self: start; }
.publications-nav { display: grid; gap: 10px; }
.publications-nav a { padding-block: 3px; font-size: 14px; width: fit-content; }
.publications-nav a:hover { color: var(--accent); }
.publications-related { border-top: 1px solid var(--line); padding-top: 20px; margin-top: 25px; display: grid; gap: 9px; }
.publications-related h2 { margin: 0 0 4px; font-size: 14px; font-weight: 500; letter-spacing: .04em; }
.publications-related a { display: flex; justify-content: space-between; max-width: 145px; color: var(--muted); font-size: 13px; }
.publications-related a:hover { color: var(--accent); }
.publications-content { min-width: 0; }
.publication-section { border-bottom: 1px solid var(--line); padding-bottom: 40px; margin-bottom: 44px; }
.publication-section:last-child { margin-bottom: 0; border-bottom: 0; padding-bottom: 0; }
.publication-section > h2 { display: flex; align-items: baseline; gap: 14px; font-size: 22px; font-weight: 400; letter-spacing: .02em; line-height: 1.7; margin: 0 0 25px; }
.output-count { color: var(--muted); font-size: 13px; letter-spacing: 0; }
.output-year-group { margin-bottom: 24px; }
.output-year-group:last-child { margin-bottom: 0; }
.output-year { font-size: 14px; font-weight: 500; color: var(--accent); font-variant-numeric: tabular-nums; letter-spacing: .08em; margin: 0 0 10px; }
.output-list { list-style: none; margin: 0; padding: 0; }
.output-entry { border-top: 1px solid var(--line); padding-block: 20px 23px; }
.output-entry:last-child { padding-bottom: 6px; }
.output-title { margin: 0 0 10px; font-size: 16px; font-weight: 500; line-height: 1.9; overflow-wrap: anywhere; }
.output-authors { margin: 0 0 7px; font-size: 14px; color: var(--muted); line-height: 1.9; overflow-wrap: anywhere; }
.output-authors strong { font-weight: 600; color: var(--ink); }
.output-book { margin: 0 0 7px; font-size: 14px; line-height: 1.9; }
.book-year-content { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 28px; align-items: start; }
.book-covers { display: grid; gap: 20px; padding-top: 21px; }
.book-cover-link { display: block; width: 140px; max-width: 100%; }
.book-cover-link img { display: block; width: 100%; height: auto; }
.book-cover-link:hover { opacity: .85; }
.output-venue { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; overflow-wrap: anywhere; }
.output-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 9px 16px; margin: 11px 0 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.output-meta time { font-variant-numeric: tabular-nums; }
.output-meta a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.output-meta a:hover { text-decoration-thickness: 2px; }
.output-badge { border: 1px solid var(--line); padding-inline: 6px; font-size: 11px; }
.output-year-tabs { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 0 0 26px; font-size: 13px; font-variant-numeric: tabular-nums; }
.output-year-tabs button { background: transparent; color: var(--muted); padding: 8px 0; min-width: 32px; border: 0; border-bottom: 1px solid var(--line); line-height: 1.6; }
.output-year-tabs button:hover { color: var(--accent); border-color: var(--accent); }
.output-year-tabs button[aria-selected="true"] { color: var(--accent); border-bottom: 2px solid var(--accent); font-weight: 600; }
@media (max-width: 1060px) and (min-width: 701px) {
  .page-body.publications-layout { grid-template-columns: 175px minmax(0, 1fr); }
}
@media (max-width: 700px) {
  .research-intro { padding-top: 12px; }
  .research-intro p { font-size: 16px; }
  .research-intro p + p { margin-top: 14px; }
  .page-body.publications-layout { grid-template-columns: 1fr; }
  .publications-aside { position: static; }
  .publications-nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
  .publications-nav a { font-size: 13px; }
  .publications-related { display: flex; flex-wrap: wrap; gap: 9px 24px; margin-top: 18px; padding-top: 15px; }
  .publications-related h2 { flex-basis: 100%; font-size: 13px; margin-bottom: 0; }
  .publications-related a { gap: 12px; font-size: 12px; }
  .publication-section { padding-bottom: 30px; margin-bottom: 32px; }
  .publication-section > h2 { font-size: 20px; margin-bottom: 20px; gap: 10px; }
  .output-year { font-size: 13px; }
  .output-title { font-size: 16px; }
  .output-authors, .output-venue, .output-book { font-size: 13px; }
  .output-entry { padding-block: 18px 21px; }
  .book-year-content { grid-template-columns: 1fr; gap: 20px; }
  .book-covers { padding-top: 0; }
  .book-cover-link { width: 130px; }
}
.biography-body { grid-template-columns: 230px minmax(0, 1fr); }
.biography-aside { align-self: start; position: sticky; top: 32px; }
.biography-nav { display: grid; gap: 10px; }
.biography-nav a { font-size: 14px; width: fit-content; padding-block: 3px; }
.biography-nav a:hover { color: var(--accent); }
.biography-links { display: grid; gap: 9px; border-top: 1px solid var(--line); padding-top: 20px; margin-top: 25px; }
.biography-links-title { margin: 0 0 4px; font-size: 14px; font-weight: 500; letter-spacing: .04em; }
.biography-links a { display: flex; justify-content: space-between; max-width: 145px; color: var(--muted); font-size: 13px; }
.biography-links a:hover { color: var(--accent); }
.biography-content { min-width: 0; }
.content-block.cv-section { padding-bottom: 34px; margin-bottom: 34px; }
.cv-section > h2 { margin-bottom: 22px; }
.cv-section .bio-intro { color: var(--ink); line-height: 2.1; margin-block: 20px 30px; max-width: 620px; }
.cv-section .bio-intro p { color: inherit; }
.cv-section .bio-intro p + p { margin-top: 8px; }
.cv-subheading { font-size: 14px; font-weight: 500; margin: 0 0 14px; letter-spacing: .04em; }
.affiliation-list { list-style: none; padding: 0; margin: 0 0 25px; }
.affiliation-list li { padding: 13px 0; border-top: 1px solid var(--line); }
.affiliation-list li:last-child { padding-bottom: 0; }
.affiliation-org { display: block; font-size: 16px; font-weight: 500; line-height: 1.8; }
.affiliation-unit { display: block; font-size: 14px; color: var(--ink); }
.affiliation-role { display: block; font-size: 14px; color: var(--muted); }
.cv-list { list-style: none; margin: 0; padding: 0; }
.cv-entry { display: grid; grid-template-columns: 146px minmax(0, 1fr); gap: 20px; padding-block: 19px; border-top: 1px solid var(--line); }
.cv-entry:last-child { padding-bottom: 0; }
.cv-entry .cv-date { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; line-height: 1.9; padding-top: 3px; }
.cv-entry-title { font-size: 16px; line-height: 1.9; font-weight: 500; margin: 0 0 3px; overflow-wrap: anywhere; }
.cv-entry .cv-entry-detail { font-size: 14px; line-height: 1.9; color: var(--muted); }
.cv-entry .cv-award-work { margin-top: 10px; font-size: 13px; color: var(--muted); line-height: 1.9; }
.cv-shared { font-size: 12px; font-weight: 400; color: var(--muted); }
@media (max-width: 1060px) and (min-width: 701px) {
  .biography-body { grid-template-columns: 175px minmax(0, 1fr); }
  .cv-entry { grid-template-columns: 125px minmax(0, 1fr); gap: 16px; }
}
@media (max-width: 700px) {
  .page-body.biography-body { grid-template-columns: 1fr; }
  .biography-aside { position: static; }
  .biography-nav { display: flex; flex-wrap: wrap; gap: 7px 22px; }
  .biography-nav a { font-size: 13px; }
  .biography-links { display: flex; flex-wrap: wrap; gap: 9px 24px; margin-top: 15px; padding-top: 14px; }
  .biography-links-title { flex-basis: 100%; font-size: 13px; margin-bottom: 0; }
  .biography-links a { gap: 12px; font-size: 12px; }
  .cv-entry { grid-template-columns: 1fr; gap: 6px; padding-block: 18px; }
  .cv-entry .cv-date { padding-top: 0; font-size: 12px; }
  .cv-entry-title { font-size: 16px; }
  .affiliation-org { font-size: 16px; }
  .affiliation-unit, .affiliation-role { font-size: 13px; }
  .cv-section .bio-intro { margin-block: 18px 25px; }
  .content-block.cv-section { padding-bottom: 28px; margin-bottom: 28px; }
}
.page-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); padding-top: 25px; font-size: 13px; }
.page-bottom a:hover { color: var(--accent); }
.page-bottom .next-link { display: flex; gap: 25px; }
html[lang="en"] .hero h1 { font-family: var(--sans); font-size: clamp(36px, 4vw, 54px); font-weight: 500; line-height: 1.18; letter-spacing: -.025em; margin-block: 27px; }
html[lang="en"] .hero-description { letter-spacing: .01em; }
html[lang="en"] .page-heading h1 { font-family: var(--sans); letter-spacing: -.025em; }
html[lang="en"] .section-title, html[lang="en"] .content-block h2 { font-family: var(--sans); letter-spacing: 0; }
@media (min-width: 1061px) { body.menu-open { overflow: auto; } }
@media (max-width: 1060px) {
  .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .wrap { width: calc(100% - 64px); }
  .header-inner { min-height: 86px; gap: 22px; }
  .menu-toggle { display: flex; }
  .header-controls { flex-direction: column; gap: 4px; }
  .primary-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--paper); padding: 24px 32px 38px; border-bottom: 1px solid var(--line); max-height: calc(100dvh - 86px); overflow: auto; }
  .primary-nav.is-open { display: grid; gap: 2px; }
  .primary-nav a { padding-block: 13px; font-size: 16px; }
  .primary-nav a::after { right: auto; width: 36px; }
  .hero { gap: 36px; padding-block: 60px; }
  .hero h1 { font-size: 38px; }
  .news-section, .page-body { grid-template-columns: 210px 1fr; gap: 32px; }
}
@media (max-width: 700px) {
  .teaching-history > h2 { font-size: 20px; margin-bottom: 20px; }
  .teaching-entry { grid-template-columns: 1fr; gap: 8px; padding-block: 20px; }
  .teaching-period { padding-top: 0; font-size: 13px; }
  .teaching-entry h3 { font-size: 16px; }
  .teaching-institution { font-size: 13px; }
  .research-projects { padding-block: 29px 38px; }
  .research-projects > h2 { font-size: 20px; margin-bottom: 20px; }
  .project-grid { grid-template-columns: 1fr; gap: 32px; }
  .project-card-link h3 { min-height: 0; font-size: 16px; margin-top: 14px; }
  .project-card-link p { font-size: 16px; }
  .project-page-heading h1 { font-size: clamp(28px, 7vw, 34px); }
  .project-introduction { padding-top: 10px; }
  .project-introduction > p { font-size: 16px; }
  .project-keywords { margin-top: 14px; font-size: 13px; }
  .project-back { margin-block: 21px 25px; }
  .project-research-overview > h2 { font-size: 16px; margin-bottom: 16px; }
  .project-study-title, .project-related > h2 { font-size: 20px; margin-bottom: 14px; }
  .project-overview-copy p { font-size: 16px; }
  .network-comparison { grid-template-columns: 1fr; gap: 24px; }
  .network-label { font-size: 16px; margin-bottom: 10px; }
  .project-result-figure figcaption { font-size: 12px; }
  .project-related { margin-top: 32px; }
  .project-paper h3 { font-size: 16px; }
  .project-paper-authors { font-size: 13px; }
  .wrap { width: calc(100% - 48px); }
  .header-inner { min-height: 78px; gap: 17px; }
  .brand-name { font-size: 12px; letter-spacing: .13em; }
  .brand-sub { font-size: 9px; }
  .language-switch { margin-left: 0; gap: 7px; font-size: 10px; }
  .menu-toggle { width: 36px; height: 36px; padding: 8px; }
  .primary-nav { padding-inline: 24px; max-height: calc(100dvh - 78px); }
  .hero { grid-template-columns: 1fr; gap: 35px; padding-block: 42px 38px; }
  .hero h1 { font-size: clamp(34px, 8.6vw, 45px); margin: 21px 0 18px; line-height: 1.6; }
  .hero-copy { padding-bottom: 0; }
  .hero-description { font-size: 16px; }
  .text-link { margin-top: 23px; }
  .hero-figure { width: 100%; max-width: 470px; justify-self: center; }
  .hero-figure img { aspect-ratio: 5 / 4; object-fit: contain; }
  .news-section { grid-template-columns: 1fr; gap: 22px; padding-block: 30px 36px; }
  .section-title { font-size: 24px; margin-bottom: 6px; }
  .news-scroll { max-height: 300px; padding-right: 9px; }
  .news-item p { font-size: 16px; }
  .footer-inner { padding-block: 22px; gap: 12px; }
  .footer-name { font-size: 12px; }
  .copyright { font-size: 10px; }
  .back-top { font-size: 10px; white-space: nowrap; }
  .page-main { padding-bottom: 40px; }
  .media-body { min-height: 160px; padding-block: 29px 38px; }
  .media-entry { grid-template-columns: 1fr; gap: 9px; padding-block: 22px; }
  .media-date, .media-meta { font-size: 13px; }
  .media-date { padding-top: 0; }
  .media-title { font-size: 16px; }
  .page-heading { padding-block: 40px 30px; align-items: start; }
  .page-heading h1 { font-size: 34px; }
  .page-heading .page-lead { font-size: 16px; max-width: 250px; }
  .page-body { grid-template-columns: 1fr; gap: 29px; padding-block: 29px 38px; }
  .page-note { max-width: none; margin-top: 7px; font-size: 13px; }
  .content-block h2 { font-size: 21px; }
  .content-block p { font-size: 16px; }
  .page-bottom { font-size: 12px; }
  .page-bottom .next-link { gap: 15px; }
  html[lang="en"] .hero h1 { font-size: clamp(38px, 10vw, 52px); }
}
@media (max-width: 380px) {
  .header-inner { gap: 8px; }
  .language-switch { gap: 6px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* Scientific thumbnail: preserve source field maps and their quantitative color scale. */
.project-card-link .stimulation-card-image { background: #f0f2fb; }

.cv-entry .cv-award-authors { margin-top: 8px; font-size: 14px; line-height: 1.9; color: var(--muted); overflow-wrap: anywhere; }
.cv-award-authors strong { color: var(--ink); font-weight: 700; }

/* Body representation project figures. */
.body-method-plate, .body-method-plate picture { display: block; }
.body-method-plate { max-width: 1040px; margin-inline: auto; }
.body-results-plate, .body-results-plate picture { display: block; }
.body-representation-figure img { border-radius: 4px; }

.project-overview-copy .representation-note { margin: 18px 0 0; padding: 4px 0 4px 16px; border-left: 2px solid var(--line); }
.project-overview-copy .representation-note p { font-size: 14px; line-height: 1.9; color: var(--muted); }