@font-face {
  font-family: "Lato";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/lato-regular.ttf") format("truetype");
}
@font-face {
  font-family: "Lato";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/lato-bold.ttf") format("truetype");
}
@font-face {
  font-family: "Lato";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/lato-italic.ttf") format("truetype");
}

:root {
  --ink: #000;
  --muted: #555;
  --blue: #1772d0;
  --line: #eee;
  letter-spacing: 0;
}
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  font-family: "Lato", Verdana, Helvetica, sans-serif;
  font-size: 14px;
  line-height: 1.846;
  color: var(--ink);
  background: #fff;
  letter-spacing: 0;
}
input, button, textarea { font-family: inherit; letter-spacing: 0; }
a { color: var(--blue); }
a:hover, a:focus { color: #0a6ebd; text-decoration: underline; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 400; }
p { margin: 0 0 14px; }
ul { padding-left: 40px; }

.site-header {
  background: #fff;
  border: 0;
  margin: 0;
  min-height: 64px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .3);
}
.nav-wrap { display: flex; align-items: center; min-height: 64px; }
.nav-wrap::before, .nav-wrap::after,
.site-footer::before, .site-footer::after { display: none; }
.nav-wrap nav { display: flex; align-items: center; }
.home-link, .nav-wrap nav a {
  display: block;
  padding: 17px 15px;
  color: #0a6ebd;
  font-size: 24px;
  line-height: 30px;
  white-space: nowrap;
}
.home-link { padding-left: 0; }
.home-link:hover, .nav-wrap nav a:hover { color: #064f8c; text-decoration: none; }
.home-link[aria-current], .nav-wrap nav a[aria-current] { color: #0a6ebd; }
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: transparent;
  border: 0;
  box-shadow: none;
}
.menu-toggle span { display: block; width: 22px; height: 2px; margin: 4px 0; background: #777; }

.site-main { padding-top: 100px; padding-bottom: 32px; }
.page-masthead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding-bottom: 10px;
  margin-bottom: 23px;
  border-bottom: 1px solid var(--line);
  min-height: 72px;
}
.site-name {
  display: block;
  color: #000;
  font-size: 48px;
  font-weight: 700;
  line-height: 60px;
  margin: 0;
}
a.site-name:hover { color: #000; text-decoration: none; }
.masthead-affiliation { margin: 0; text-align: right; font-size: 14px; line-height: 1.65; }
.intro {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 255px;
  gap: 30px;
  align-items: start;
}
.portrait { display: block; width: 160px; height: 160px; object-fit: cover; border-radius: 0; }
.biography, .contact-info, .research-text, .publication-text { min-width: 0; }
.contact-info h2, .news-heading h2 { font-size: 24px; line-height: 1.1; margin: 0 0 11.5px; }
.contact-info ul { padding-left: 20px; margin: 0 0 20px; }
.contact-info a { overflow-wrap: anywhere; }
.profile-links { margin: 0; }
.profile-links span { color: #777; padding: 0 4px; }

.news-section { margin-top: 26px; }
.news-heading { display: flex; align-items: baseline; gap: 12px; }
.rss-link { font-size: 12px; }
.news-list { margin: 0 0 12px; }
.news-list li { margin-bottom: 4px; }
.news-list li > strong:first-child { font-weight: 400; font-style: italic; white-space: nowrap; }
.news-archive { margin: 0; }
.news-archive summary { display: list-item; list-style-position: inside; width: fit-content; color: var(--blue); cursor: pointer; }
.news-archive[open] summary { margin-bottom: 10px; }

.section-title {
  font-size: 45px;
  line-height: 1.2;
  padding-bottom: 20px;
  margin: 46px 0 24px;
  border-bottom: 1px solid var(--line);
}
.site-main > .section-title { margin-top: 32px; }
.research-topic {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 165px;
  gap: 30px;
  align-items: start;
  margin: 36px 0 42px;
}
.research-topic h3 { font-size: 34px; line-height: 1.2; margin: 0 0 16px; }
.research-topic ul { margin: 0; }
.research-image { display: block; width: 165px; aspect-ratio: 4 / 3; }
.research-image img { display: block; width: 100%; height: 100%; object-fit: contain; }
.service-note {
  margin: 26px 0 30px;
  padding: 18px 20px 4px;
  border: 1px solid #000;
  background: #fff;
}
.service-note p { margin-bottom: 14px; }
.email-contact-card { padding: 0; border: 0; background: none; }
.email-contact-card .btn {
  font-size: 14px;
  color: var(--blue);
  background: transparent;
  padding: 0;
  border: 0;
  box-shadow: none;
  text-transform: none;
}
.email-contact-card .btn:hover { text-decoration: underline; }

.publication-category { margin: 30px 0 36px; }
.publication-category > summary { display: list-item; list-style-position: inside; cursor: pointer; font-size: 24px; line-height: 1.4; margin-bottom: 20px; }
.publication-item {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 30px;
  align-items: start;
  margin: 30px 0;
}
.publication-image img { display: block; width: 100%; height: 150px; object-fit: contain; }
.publication-title { font-size: 18px; font-weight: 700; line-height: 1.5; margin: 0 0 5px; }
.publication-authors { font-size: 14px; }
.publication-venue { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 10px; }
.venue-tag { font-size: 14px; font-style: italic; color: #000; }
.venue-tag.jcr-q1 { color: #555; font-size: 12px; }
.publication-desc { font-size: 14px; }
.publication-desc p { margin-bottom: 10px; }
.pub-link { font-size: 14px; }
.pub-link::before { content: "["; }
.pub-link::after { content: "]"; }

.education-timeline { margin: 26px 0; }
.education-timeline__item { display: grid; grid-template-columns: 155px minmax(0, 1fr); margin: 30px 0; }
.education-timeline__rail { display: none; }
.education-timeline__content { display: contents; }
.education-timeline__year { grid-column: 1; grid-row: 1 / 5; font-style: italic; }
.education-timeline__degree { font-size: 24px; line-height: 1.4; }
.education-timeline__school, .education-timeline__major { grid-column: 2; }
.education-timeline__school { font-weight: 700; }
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  padding-bottom: 24px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}
.site-footer a { color: var(--blue); }
.skip-link { position: fixed; left: 15px; top: -100px; background: #fff; padding: 10px; z-index: 1100; }
.skip-link:focus { top: 8px; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; }

@media (max-width: 1199px) {
  .intro { grid-template-columns: 145px minmax(0, 1fr) 220px; gap: 25px; }
  .portrait { width: 145px; height: 145px; }
}
@media (max-width: 991px) {
  .home-link, .nav-wrap nav a { font-size: 21px; padding-left: 12px; padding-right: 12px; }
  .home-link { padding-left: 0; }
  .intro { grid-template-columns: 145px minmax(0, 1fr); }
  .contact-info { grid-column: 2; }
  .contact-info ul { margin-bottom: 10px; }
  .research-topic { grid-template-columns: minmax(0, 1fr) 150px; gap: 24px; }
  .research-image { width: 150px; }
}
@media (max-width: 767px) {
  html { scroll-padding-top: 76px; }
  .container { width: 100%; padding-left: 20px; padding-right: 20px; }
  .site-header, .nav-wrap { min-height: 60px; }
  .nav-wrap { justify-content: space-between; flex-wrap: wrap; }
  .home-link { font-size: 22px; padding-top: 13px; padding-bottom: 13px; }
  .menu-toggle { display: block; }
  .nav-wrap nav { display: none; width: 100%; padding: 4px 0 12px; }
  .nav-wrap nav.open { display: flex; flex-direction: column; align-items: stretch; }
  .nav-wrap nav a { padding: 8px 0; font-size: 20px; line-height: 28px; }
  .site-main { padding-top: 86px; padding-bottom: 30px; }
  .page-masthead { flex-direction: column; align-items: flex-start; gap: 5px; padding-bottom: 14px; margin-bottom: 22px; }
  .site-name { font-size: 36px; line-height: 44px; }
  .masthead-affiliation { text-align: left; font-size: 12px; }
  .intro { display: flow-root; }
  .portrait { float: left; width: 110px; height: 110px; margin: 4px 20px 12px 0; }
  .contact-info { clear: both; margin-top: 22px; }
  .contact-info h2 { font-size: 22px; }
  .contact-info ul { margin-bottom: 10px; }
  .news-section { margin-top: 28px; }
  .news-list { padding-left: 22px; }
  .news-list li { margin-bottom: 9px; }
  .section-title { font-size: 32px; padding-bottom: 15px; margin-top: 36px; }
  .research-topic { grid-template-columns: minmax(0, 1fr) 120px; gap: 18px; margin: 28px 0 36px; }
  .research-topic h3 { font-size: 26px; }
  .research-image { width: 120px; }
  .research-topic ul { padding-left: 22px; }
  .publication-category > summary { font-size: 21px; }
  .publication-item { grid-template-columns: 130px minmax(0, 1fr); gap: 20px; }
  .publication-image img { height: 110px; }
  .publication-title { font-size: 17px; }
  .education-timeline__item { grid-template-columns: 125px minmax(0, 1fr); gap: 0 12px; }
  .education-timeline__degree { font-size: 22px; }
  .site-footer { flex-direction: column; gap: 4px; }
}
@media (max-width: 480px) {
  .research-topic, .publication-item { display: block; }
  .research-image { width: 180px; max-width: 100%; margin-top: 16px; }
  .publication-image { width: 180px; max-width: 100%; margin-bottom: 15px; }
  .publication-image img { height: 135px; }
  .education-timeline__item { display: block; }
  .education-timeline__year { margin-bottom: 5px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}