*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --font-body: "Malgun Gothic", "맑은 고딕", "Apple SD Gothic Neo", "Noto Sans KR", Arial, sans-serif;

  --text: #111;
  --muted: #555;
  --bg: #fff;

  --border: #ddd;
  --border-soft: #eee;

  --accent: #8C1515;

  /*  Nav  */
  --nav-top-bg: var(--bg);
  --nav-accent: #004191;
  --nav-top-text: var(--nav-accent);

  --radius: 12px;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.06);

  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;

  --h1: 2rem;
  --h2: 1.1rem;
  --base: 1rem;
  --small: 0.92rem;

  --site-max: 1200px;
  --nav-max: var(--site-max);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--base);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.container {
  max-width: min(var(--site-max), 92vw);
  margin: 0 auto;
  padding: var(--space-4);
}


/* --------------------------------------------------- */
/*  Nav                                                */
/* --------------------------------------------------- */
.site-nav {
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 1100;
}

/* Thin strip */
.nav-strip {
  background: var(--nav-accent);
}

.nav-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;

  max-width: var(--nav-max, 92vw);
  margin: 0 auto;
  padding: 4px var(--space-4);
}

.nav-strip-text {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--nav-top-bg);
  letter-spacing: 0.02em;
}

.nav-strip .lang-toggle {
  border-color: rgba(255, 255, 255, 0.4);
}

.nav-strip .lang-btn {
  color: var(--nav-top-bg);
  border-right-color: rgba(255, 255, 255, 0.4);
}

.nav-strip .lang-btn.is-active {
  background: rgba(255, 255, 255, 0.25);
  color: var(--nav-top-bg);
}

.nav-strip .lang-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Main header bar */
.nav-main {
  background: var(--nav-top-bg);
  border-bottom: 1px solid var(--border);
}

/* Keep nav content aligned with container width */
.nav-main-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;

  gap: var(--space-3);
  max-width: var(--nav-max, 92vw);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
}

/* Brand (left) */
.nav-brand {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap:6px;
  white-space: nowrap;
}

.nav-logo-img {
  height: 60px;
  width: auto;
  display: block;
}

.nav-logo-school {
  height: 30px;
}

.nav-logo-lab {
  height: 32px;
}

.nav-logo-divider {
  display: inline-block;
  width: 1px;
  height: 28px;
  background: #a2aec2;
  font-size: 0;
  line-height: 0;
}

/* Right side (menu) */
.nav-right {
  display: flex;
  align-items: center;
  gap: 0;
  min-width: 0;
}

/* Menu links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.nav-links-1st,
.nav-links-2nd {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-links-2nd {
  margin-left: var(--space-2);
}

.nav-more {
  position: relative;
  display: none; /* hidden on wide by default */
}

.nav-more-menu {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 200px;
  z-index: 1000;

  background: var(--nav-top-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);

  padding: 6px 0;
}

.nav-more:hover .nav-more-menu {
  display: block;
}

/* Dropdown items fill full width */
.nav-more-menu .nav-link {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 12px 16px;
}

.nav-more-menu .nav-link:hover {
  color: var(--text);
  background: rgba(0, 0, 0, 0.04);
}

.nav-more-menu .nav-link.is-active {
  color: var(--text);
  background: rgba(0, 0, 0, 0.06);
}

.nav-link {
  color: var(--nav-accent);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 5px 1px;
  border-bottom: 4px solid transparent; /* space reserved for hover underline */
}

@media (max-width: 1360px) {
  .nav-main-inner {
    padding: var(--space-2) var(--space-3);
  }

  .nav-links-1st,
  .nav-links-2nd {
    gap: 6px;
  }

  .nav-links-2nd {
    margin-left: 6px;
  }
}

.nav-link.is-active {
  color: var(--text);
  border-bottom-color: var(--text);
}

.nav-link:hover {
  color: var(--text);
  border-bottom-color: var(--text);
}

@media (max-width: 1240px) {
  .nav-main-inner {
    gap: var(--space-2);
  }

  .nav-links-1st,
  .nav-links-2nd {
    gap: 8px;
  }

  .nav-links-2nd {
    margin-left: 8px;
  }

  .nav-logo-school {
    height: 27px;
  }

  .nav-logo-lab {
    height: 29px;
  }
}

.nav-item-with-submenu {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.nav-item-with-submenu::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 180px;
  height: 12px;
}


.nav-submenu {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 180px;
  z-index: 1000;
  background: var(--nav-top-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 6px 0;
}

@media (max-width: 980px) and (min-width: 681px) {
  .nav-item-with-submenu.nav-item-submenu-right::after {
    left: auto;
    right: 0;
  }

  .nav-item-with-submenu.nav-item-submenu-right .nav-submenu {
    left: auto;
    right: 0;
  }
}

.nav-item-with-submenu:hover .nav-submenu,
.nav-item-with-submenu:focus-within .nav-submenu {
  display: block;
}

.nav-submenu .nav-link {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 12px 16px;
}

.nav-submenu .nav-link:hover {
  color: var(--text);
  background: rgba(0, 0, 0, 0.04);
}

.nav-submenu .nav-link.is-active {
  color: var(--text);
  background: rgba(0, 0, 0, 0.06);
}

.nav-submenu .nav-link-indented {
  padding-left: 30px;
  font-weight: 600;
}


/* --------------------------------------------------- */
/* Language toggle                                     */
/* --------------------------------------------------- */
.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 2px 6px;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.03em;

  color: var(--nav-accent);
  text-decoration: none;

  border-right: 1px solid var(--border);
}

.lang-btn:last-child {
  border-right: none;
}

/* Active: darker */
.lang-btn.is-active {
  background: rgba(0, 0, 0, 0.12);
  color: var(--text);
}

/* Hover */
.lang-btn:hover {
  background: rgba(0, 0, 0, 0.12);
  color: var(--text);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--nav-accent);
  font-size: 1.25rem;
  line-height: 1;
}

.nav-toggle:hover {
  border-color: var(--text);
  color: var(--text);
}

/* --------------------------------------------------- */
/* People page layout                                  */
/* --------------------------------------------------- */
.people-wrap {
  display: block;
}

.people-detail {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
  box-shadow: var(--shadow);
}

.people-controls {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-3);
}

.people-term-select-wrap {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: stretch;
}

.people-term-trigger {
  min-width: 170px;
  height: 38px;
  padding: 0 40px 0 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.people-term-trigger:hover {
  border-color: var(--nav-accent);
}

.people-term-trigger:focus {
  outline: none;
  border-color: var(--nav-accent);
  box-shadow: 0 0 0 3px rgba(122, 137, 165, 0.18);
}

.people-term-trigger.is-disabled,
.people-term-trigger:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  background: #f3f5f8;
}

.people-term-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 100%;
  z-index: 40;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow);
  padding: 6px;
}

.people-term-option {
  width: 100%;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  padding: 10px 10px;
  text-align: left;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.people-term-option:hover {
  background: rgba(122, 137, 165, 0.12);
}

.people-term-option.is-active {
  background: rgba(122, 137, 165, 0.2);
}

.people-term-chevron {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--nav-accent);
  font-size: 0.9rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

.people-term-select-wrap.is-open .people-term-chevron {
  transform: translateY(-50%) rotate(180deg);
}

.detail-name {
  margin-top: 12px;
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.2;
}

.detail-role {
  margin-top: 4px;
  color: var(--muted);
}

.people-detail h2 {
  font-size: var(--h2);
  margin-top: var(--space-3) 0 var(--space-2);
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: 4px;
}

/* Research project inline style */
.project-inline {
  font-size: var(--small);
  margin-top: 4px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Detail research area */
.research-area-title {
  font-size: 0.95rem;
.research-back {
  display: none;  /* mobile only */
  margin-bottom: var(--space-2);
  color: var(--nav-accent);
  text-decoration: none;
  font-weight: 700;
}
}

.detail-research-area ul {
  margin-top: 6px;
}

.contact-email {
  color: var(--muted);
  font-size: var(--small);
}

.contact-links {
  display: flex;
  gap: 12px;
}

/* Cards grid (A4-ish vertical cards) */
.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3);
}

.member-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  text-align: left;
}

.member-card:hover {
  box-shadow: var(--shadow);
}

.a4-card {
  display: flex;
  flex-direction: column;
}

.a4-photo {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
}

.a4-text {
  padding: var(--space-2);
}

.member-card-name {
  font-weight: 700;
}

.member-card-role {
  color: var(--muted);
  font-size: var(--small);
}

.detail-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-template-areas:
    "photo basic"
    "photo body";
  gap: var(--space-3) 50px;
  align-items: start;
}

.detail-photo {
  grid-area: photo;
  width: 240px;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
  margin: 15px;
}

.detail-basic {
  grid-area: basic;
  margin-top: 25px;
}

.detail-body  { grid-area: body; }

.detail-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0;
}

.detail-role {
  margin-top: 4px;
  color: var(--muted);
  font-size: var(--small);
}

.see-more {
  margin-top: var(--space-3);
}

.see-more-link {
  color: var(--nav-accent);
  text-decoration: none;
  font-weight: 600;
}

.see-more-link:hover {
  text-decoration: underline;
}

/* --------------------------------------------------- */
/* Footer                                              */
/* --------------------------------------------------- */
.site-footer {
  background: var(--nav-top-bg);
  border-top: 1px solid var(--border);
  margin-top: 48px;
}

.footer-inner {
  max-width: var(--site-max);
  margin: 0 auto;
  padding: 18px var(--space-4);

  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.footer-lab {
  font-size: 0.95rem;
  line-height: 1.4;
  white-space: nowrap;
}

.footer-univ {
  color: var(--nav-accent);
  font-weight: 700;
}

.footer-sep {
  color: var(--muted);
  margin: 0 8px;
}

.footer-labname {
  color: var(--text);
  font-weight: 600;
}

.footer-address {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 4px;
}

.footer-right {
  text-align: right;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--muted);
}

/* --------------------------------------------------- */
/* PI page layout                                      */
/* --------------------------------------------------- */
.pi-profile {
  max-width: 900px;
}

.pi-header {
  display: flex;
  gap: 24px;
  align-items: center;
  margin-bottom: 32px;
}

.pi-photo {
  width: 240px;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius);
}

.pi-name {
  margin: 0;
  font-size: 1.8rem;
}

.pi-role {
  margin-top: 6px;
  color: var(--muted);
}

.pi-email {
  margin-top: 8px;
  font-size: var(--small);
}

.pi-links a {
  margin-right: 12px;
  color: var(--nav-accent);
  text-decoration: none;
}

.pi-links a:hover {
  text-decoration: underline;
}

.pi-profile section {
  margin-bottom: 28px;
}

/* --------------------------------------------------- */
/* Research page layout                                */
/* --------------------------------------------------- */
.research-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: start;
}

.research-team-group {
  margin-bottom: var(--space-2);
}

.research-team-title {
  margin: 0 0 var(--space-1);
  font-family: Arial, sans-serif;
  color: var(--text);
}

.research-team-group > ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.research-link {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 12px 14px;
  cursor: pointer;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.research-link-title {
  display: block;
}

.research-link-summary {
  display: block;
  margin-top: 6px;
  color: var(--text);
  font-size: var(--small);
  font-weight: 400;
  line-height: 1.5;
}

.research-link.is-active {
  border-color: var(--nav-accent);
  text-decoration: none;
  box-shadow: var(--shadow);
}

.research-link-summary p {
  margin: 0 0 6px 0;
}

.research-link-summary p:last-child {
  margin-bottom: 0;
}

.research-link-summary ul,
.research-link-summary ol {
  list-style: disc;
  margin: 0 0 6px 18px;
  padding: 0;
}

.research-detail {
  max-width: 920px;
  width: 100%;
}

.research-detail {
  overflow-wrap: anywhere;
}

.research-detail pre {
  overflow-x: auto;
}

.research-detail img {
  max-width: 100%;
  height: auto;
  display: block;
}

.research-article .article-header {
  margin-bottom: 14px;
}

.research-article .article-title {
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
}

.research-back {
  display: none;
  margin-bottom: var(--space-2);
  color: var(--nav-accent);
  text-decoration: none;
  font-weight: 700;
}

.research-back:hover {
  text-decoration: underline;
}

.research-mobile-nav {
  display: none;
  justify-content: space-between;
  margin-top: var(--space-3);
  gap: var(--space-2);
}

.research-nav-btn {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 10px 12px;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
}

.research-nav-btn.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* Unified behavior for desktop/mobile:
   list view => cards only, detail view => article only */
body.research-list-view .research-list {
  display: block;
}

body.research-list-view .research-detail {
  display: none;
}

body.research-detail-view .research-list {
  display: none;
}

body.research-detail-view .research-detail {
  display: block;
}

body.research-detail-view .research-back {
  display: inline-block;
}

body.research-detail-view .research-mobile-nav {
  display: flex;
}


/* --------------------------------------------------- */
/* Publications                                        */
/* --------------------------------------------------- */

/* Legend (top explanation) */
.pub-legend {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 2rem;
  line-height: 1.6;
  text-align: right;
}

/* Section wrapper */
.pub-section {
  margin-bottom: 3rem;
}

.pub-section-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

/* Year grouping */
.pub-year-block {
  margin-bottom: 2rem;
}

.pub-year {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text);
}

/* Publication list */
.pub-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pub-item {
  margin-bottom: 1.6rem;
}

/* Title line */
.pub-title-line {
  display: block;
}

.pub-id {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9rem;
  margin-right: 0.5rem;
}

/* Title link */
.pub-title {
  font-weight: 700;
  color: var(--nav-accent); /* publication blue */
  text-decoration: none;
}

.pub-title:hover {
  text-decoration: underline;
}

/* Authors */
.pub-authors {
  margin-top: 0.25rem;
  font-size: 0.9rem;
  color: var(--text);
}

.pub-authors strong {
  font-weight: 700;
}

/* Meta line (venue, status, highlights) */
.pub-meta {
  margin-top: 0.25rem;
  font-size: 0.85rem;
  color: var(--muted);
  font-style: italic;
}

.pub-venue {
  font-style: italic;
}

.pub-venue-detail {
  margin-left: 0.25rem;
  font-style: normal;
}

.pub-highlights {
  margin-left: 0.25rem;
}

.pub-highlights a {
  color: inherit;
  text-decoration: underline;
}

/* Status (submitted, under review, etc.) */
.pub-status {
  font-style: italic;
}

.pub-talks .pub-item {
  margin-bottom: 1.8rem;
}

.pub-talk-item .pub-title {
  font-weight: 700;
}

.pub-talk-item .pub-authors {
  margin-top: 0.2rem;
  font-weight: 600;
}

.pub-talk-item .pub-meta {
  margin-top: 0.2rem;
  font-style: italic;
}

.research-formal-citation {
  margin: 0.2rem 0;
  line-height: 1.5;
  color: var(--muted);
}

.research-formal-citation + .research-formal-citation {
  margin-top: 0.35rem;
}

.research-formal-citation a {
  color: inherit;
  text-decoration: none;
}

.research-formal-citation a:hover {
  text-decoration: underline;
}

/* Alumni list view (publication-like) */
.alumni-list-view .pub-section-title {
  margin-bottom: 1rem;
}

.alumni-item {
  margin-bottom: 1.2rem;
}

.alumni-item.alumni-clickable {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease;
  cursor: pointer;
}

.alumni-item.alumni-clickable:hover {
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
}

.alumni-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.alumni-card-link:hover .pub-title {
  text-decoration: underline;
}

.alumni-meta-label {
  font-weight: 700;
}

.alumni-role-list {
  margin: 0.5rem 0 0;
  padding-left: 1.15rem;
  color: var(--text);
}

.alumni-role-list li {
  margin: 0.1rem 0;
  font-size: 0.9rem;
}

.alumni-current-line {
  font-style: normal;
  color: var(--text);
}



/* Alumni individual page */
.alumni-profile {
  max-width: 980px;
}

.alumni-hero {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 30px;
}

.alumni-hero-photo {
  width: 240px;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}

.alumni-hero-main {
  min-width: 0;
}

.alumni-hero-current,
.alumni-hero-period {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.alumni-hero-name {
  margin: 8px 0;
  font-size: clamp(1.6rem, 3.2vw, 2rem);
  line-height: 1.2;
}

.alumni-hero-roles {
  margin: 10px 0 0;
  padding-left: 1.15rem;
}

.alumni-hero-roles li {
  margin: 0.15rem 0;
}

.alumni-hero-current-line {
  margin: 10px 0 0;
  color: var(--text);
  font-size: 0.95rem;
}

.alumni-body {
  padding-top: 0;
}

.alumni-section {
  margin-bottom: 22px;
}

.alumni-section h2 {
  font-size: 1.1rem;
  margin: 0 0 10px;
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: 4px;
}

.alumni-bio-text {
  line-height: 1.65;
}

.alumni-bio-break,
.alumni-bio-gap {
  display: block;
  height: 0.28rem;
}

.alumni-subsection-title {
  margin: 12px 0 8px;
  font-size: 0.98rem;
}

.alumni-pub-list {
  margin: 0;
  padding-left: 1.2rem;
}

.alumni-pub-list li {
  margin-bottom: 10px;
}

.alumni-pub-title {
  color: var(--text);
}

.alumni-pub-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 760px) {
  .alumni-hero {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .alumni-hero-photo {
    width: 220px;
    height: 220px;
    margin: 0 auto;
  }

  .alumni-hero-name,
  .alumni-hero-period {
    text-align: center;
  }
}

/* --------------------------------------------------- */
/* Facilities page layout                              */
/* --------------------------------------------------- */

.page-facilities {
  max-width: 960px;
  margin: 0 auto;
}

.page-facilities img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.5rem auto;
  border-radius: var(--radius);
}

/* --------------------------------------------------- */
/* News feed                                           */
/* --------------------------------------------------- */
.news-feed {
  display: grid;
  gap: var(--space-3);
}

.news-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  background: var(--bg);
  overflow: hidden;
}

.news-item-click {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  padding: var(--space-3);
  cursor: pointer;
}

.news-item:hover {
  box-shadow: var(--shadow);
}

.news-item.has-image .news-item-click {
  grid-template-columns: 132px 1fr;
  align-items: start;
}

.news-item-click:focus {
  outline: 2px solid var(--nav-accent);
  outline-offset: -2px;
}

.news-item-media {
  border-radius: 10px;
  overflow: hidden;
}

.news-item-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.news-item-main {
  min-width: 0;
}

.news-item-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.news-item-title {
  margin: 0;
  font-size: var(--h2);
  font-weight: 700;
  line-height: 1.35;
  color: var(--nav-accent);
}

.news-item-date {
  color: var(--muted);
  font-size: var(--small);
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
}

.news-item-excerpt {
  margin: 8px 0 0;
  color: var(--text);
  line-height: 1.6;
}

.news-item-excerpt p {
  margin: 0 0 10px 0;
}

.news-item-excerpt p:last-child {
  margin-bottom: 0;
}

.news-item-excerpt ul,
.news-item-excerpt ol {
  margin: 0 0 10px 20px;
  padding: 0;
}

.news-item-excerpt li {
  margin-bottom: 4px;
}

/* Article layout (news detail page) */
.article-page {
  max-width: 860px;
  margin: 0 auto;
}

.article-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 18px;
}

.article-title {
  margin: 0;
  color: var(--nav-accent);
  line-height: 1.3;
}

.article-date {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: var(--small);
}

.article-image-wrap {
  margin: 0 0 18px;
  height: clamp(340px, 55vw, 520px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-image {
  width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.article-body {
  line-height: 1.75;
}

.article-body > :first-child {
  margin-top: 0;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  color: var(--nav-accent);
}

.article-back-wrap {
  margin-top: 18px;
}

.article-back-link {
  color: var(--nav-accent);
  text-decoration: none;
  font-weight: 700;
}

.article-back-link:hover {
  text-decoration: underline;
}

/* --------------------------------------------------- */
/* Home page                                           */
/* --------------------------------------------------- */
.home-hero {
  display: grid;
  grid-template-columns: minmax(240px, 0.9fr) 1.1fr;
  gap: var(--space-4);
  align-items: center;
  margin-bottom: 42px;
}

.home-hero.has-overflow-content {
  margin-bottom: 8px;
}

.home-hero-media {
  border: 0;
  border-radius: 0;
  overflow: hidden;
  background: transparent;
}

.home-hero-image {
  width: 100%;
  height: 100%;
  min-height: 350px;
  object-fit: cover;
  display: block;
}

.home-slider {
  position: relative;
  overflow: hidden;
  width: 100%;
}

.home-slider-track {
  display: flex;
  transition: transform 0.4s ease;
}

.home-slider-slide {
  flex: 0 0 100%;
  min-width: 0;
}

.home-slider .home-hero-image {
  height: auto;
  min-height: unset;
}

.home-slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.35);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  z-index: 2;
  transition: background 0.2s;
}

.home-slider-btn:hover {
  background: rgba(0, 0, 0, 0.6);
}

.home-slider-prev {
  left: 10px;
}

.home-slider-next {
  right: 10px;
}

.home-slider-btn .material-icons {
  font-size: 20px;
  line-height: 1;
  user-select: none;
}

.home-slider-prev .material-icons {
  margin-right: -3px;
}

.home-slider-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 2;
}

.home-slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background 0.2s;
}

.home-slider-dot.is-active {
  background: #fff;
}

.home-hero-content {
  padding: 0;
}

.home-intro {
  margin-top: 0;
  color: var(--text);
}

.home-intro-continuation {
  margin-top: 0;
}

.home-intro > :first-child {
  margin-top: 0;
}

.home-intro h1,
.home-intro h2,
.home-intro h3,
.home-intro h4,
.home-intro h5,
.home-intro h6 {
  margin: 0 0 6px 0;
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  line-height: 1.3;
  color: var(--nav-accent);
}

.home-intro h2,
.home-intro h3,
.home-intro h4,
.home-intro h5,
.home-intro h6 {
  margin-top: 10px;
}

.home-intro p {
  margin: 0 0 8px 0;
}

.home-intro p:last-child {
  margin-bottom: 0;
}

.home-intro ul,
.home-intro ol {
  margin: 8px 0 12px 20px;
  padding: 0;
}

.home-intro a {
  color: var(--nav-accent);
  font-weight: 700;
  text-decoration: none;
}

.home-intro a:hover {
  text-decoration: underline;
}

.home-content-meta {
  margin-top: 12px;
  text-align: right;
  font-size: 0.78rem;
  line-height: 1.2;
  color: #7a7a7a;
}

.home-news {
  margin-top: 8px;
}

.home-section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.home-section-title {
  margin: 0;
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  color: var(--nav-accent);
}

.home-section-link {
  color: var(--nav-accent);
  text-decoration: none;
  font-weight: 600;
}

.home-section-link:hover {
  text-decoration: underline;
}

.home-news-list {
  display: grid;
  gap: var(--space-3);
}

.home-news-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3);
  background: var(--bg);
}

.home-news-card.has-image {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-3);
  align-items: start;
}

.home-news-media {
  border-radius: 10px;
  overflow: hidden;
}

.home-news-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.home-news-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.home-news-date {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
}

.home-news-title {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--text);
}

.home-news-title a {
  color: inherit;
  text-decoration: none;
}

.home-news-title a:hover {
  text-decoration: underline;
}

.home-news-excerpt {
  margin: 0;
  color: var(--text);
  line-height: 1.6;
}

.home-news-excerpt p {
  margin: 0 0 8px 0;
}

.home-news-excerpt p:last-child {
  margin-bottom: 0;
}

.home-news-excerpt ul,
.home-news-excerpt ol {
  margin: 0 0 8px 20px;
  padding: 0;
}

.home-news-excerpt a {
  color: var(--nav-accent);
  text-decoration: underline;
}

.home-join {
  margin-top: 20px;
}

.home-join-slider {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 31%);
  gap: 12px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  padding-bottom: 6px;
}

.home-join-slider::-webkit-scrollbar {
  height: 8px;
}

.home-join-slider::-webkit-scrollbar-thumb {
  background: #cfd8ea;
  border-radius: 999px;
}

.home-join-card {
  scroll-snap-align: start;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #ffffff;
  min-height: 200px;
  padding: 14px;
  display: flex;
  flex-direction: column;
}

.home-join-card-title {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.35;
}

.home-join-card-team {
  margin: 5px 0 10px;
  color: #6c7791;
  font-size: 0.86rem;
}

.home-join-card-summary {
  margin: 0;
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.5;
}

.home-join-card-actions {
  margin: auto 0 0;
  text-align: right;
}

.home-join-more {
  display: inline-block;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--nav-accent);
  text-decoration: none;
  border: 1px solid #c9d6ec;
  border-radius: 999px;
  padding: 5px 11px;
  background: #fff;
}

.home-join-more:hover,
.home-join-more:focus-visible {
  border-color: #a9bddf;
  color: #0c2f5f;
}

.home-join-empty {
  margin: 0;
  color: #657188;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.gallery-card {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}

.gallery-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.gallery-empty {
  margin: 0;
  color: #657188;
}

.home-recruit-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: calc(20px + env(safe-area-inset-top, 0px)) calc(20px + env(safe-area-inset-right, 0px))
    calc(20px + env(safe-area-inset-bottom, 0px)) calc(20px + env(safe-area-inset-left, 0px));
  z-index: 1200;
}

.home-recruit-modal.is-open {
  display: flex;
}

.home-recruit-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 31, 62, 0.52);
}

.home-recruit-dialog {
  position: relative;
  display: flex;
  flex-direction: column;
  max-width: 1120px;
  width: 100%;
  max-height: min(90vh, 980px);
  overflow: hidden;
  padding: 0;
  border-radius: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  box-shadow: 0 30px 65px rgba(15, 30, 54, 0.22);
}

.home-recruit-topbar {
  position: sticky;
  top: 0;
  flex: 0 0 auto;
  z-index: 6;
  margin: 0;
  padding: 18px 52px 14px 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.home-recruit-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 14px 20px 10px;
}

.home-recruit-close {
  position: absolute;
  top: 12px;
  right: 14px;
  border: 0;
  background: transparent;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
}

.home-recruit-title {
  margin: 0;
  text-align: center;
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  line-height: 1.3;
  color: var(--nav-accent);
}

.home-recruit-intro {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.55;
  margin-bottom: 14px;
}

.home-recruit-intro p:last-child {
  margin-bottom: 0;
}

.home-recruit-roles {
  margin-top: 16px;
}

.home-recruit-roles-title {
  margin: 0 0 10px;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.home-recruit-role-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.home-recruit-role-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--bg);
}

.home-recruit-role-name {
  margin: 0;
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--text);
}

.home-recruit-role-team {
  margin: 3px 0 6px;
  font-size: 0.82rem;
  color: var(--muted);
}

.home-recruit-role-summary {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--text);
}

.home-recruit-cta-wrap {
  position: relative;
  flex: 0 0 auto;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  padding: 10px 20px 14px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.home-recruit-hide-today {
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.82rem;
  line-height: 1;
  padding: 7px 10px;
  cursor: pointer;
}

.home-recruit-hide-today:hover,
.home-recruit-hide-today:focus-visible {
  border-color: var(--nav-accent);
  color: var(--nav-accent);
}

.home-recruit-cta {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--nav-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--nav-accent);
}

.home-recruit-cta:hover,
.home-recruit-cta:focus-visible {
  color: var(--text);
  border-color: var(--text);
}

/* --------------------------------------------------- */
/* Contact page                                        */
/* --------------------------------------------------- */
.contact-intro {
  margin-bottom: 28px;
}

.contact-intro-body h1,
.contact-intro-body h2,
.contact-intro-body h3 {
  color: var(--nav-accent);
}

.contact-position-list {
  display: grid;
  gap: var(--space-3);
}

.contact-positions-title {
  margin: 0 0 12px;
  color: var(--nav-accent);
}

.contact-position-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.contact-position-card:hover {
  box-shadow: var(--shadow);
}

.contact-position-link {
  display: block;
  padding: var(--space-3);
  text-decoration: none;
  color: inherit;
}

.contact-position-name {
  margin: 0;
  color: var(--nav-accent);
  font-size: 1.05rem;
}

.contact-position-team {
  margin: 4px 0 0;
  color: #777;
  font-size: 0.9rem;
}

.contact-position-summary {
  margin-top: 10px;
  color: var(--text);
}

.contact-position-summary p {
  margin: 0 0 8px 0;
}

.contact-position-summary p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------- */
/* Responsive                                          */
/* --------------------------------------------------- */
@media (max-width: 900px) {
  .container {
    padding: var(--space-3);
  }

  .home-hero {
    grid-template-columns: 1fr;
  }

  .home-hero-image {
    width: 100%;
    height: 100%;
    min-height: 0;
    aspect-ratio: auto;
    object-fit: contain;
    object-position: center;
  }

  .home-hero-media {
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .home-hero-content {
    padding: 0;
  }

  .home-news-card.has-image {
    grid-template-columns: 1fr;
  }

  .home-news-media {
    height: clamp(160px, 48vw, 240px);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .home-news-image {
    width: 100%;
    height: 100%;
    aspect-ratio: auto;
    object-fit: contain;
    object-position: center;
  }

  .news-item.has-image .news-item-click {
    grid-template-columns: 1fr;
  }

  .news-item-media {
    height: clamp(160px, 48vw, 240px);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .news-item-image {
    width: 100%;
    height: 100%;
    aspect-ratio: auto;
    object-fit: contain;
    object-position: center;
  }

  .home-join-slider {
    grid-auto-columns: minmax(250px, 72vw);
  }

  .home-recruit-modal {
    padding: calc(18px + env(safe-area-inset-top, 0px)) calc(12px + env(safe-area-inset-right, 0px))
      calc(24px + env(safe-area-inset-bottom, 0px)) calc(12px + env(safe-area-inset-left, 0px));
  }

  .home-recruit-dialog {
    max-height: calc(100dvh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) - 42px);
    padding: 0;
  }

  .home-recruit-topbar {
    padding: 12px 42px 10px 14px;
  }

  .home-recruit-body {
    padding: 12px 14px 10px;
    position: relative;
    z-index: 1;
  }

  .home-recruit-role-list {
    grid-template-columns: 1fr;
  }

  .home-recruit-cta-wrap {
    padding: 10px 14px 12px;
  }

  .people-wrap {
    grid-template-columns: 1fr;
  }

  .people-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }

  .detail-layout {
    grid-template-columns: 96px 1fr;
    grid-template-areas:
      "photo basic"
      "body  body";
    gap: var(--space-2) 30px;
    align-items: center;
  }

  .detail-photo {
    width: 96px;
    height: 96px;
    margin: 5px;
  }

  .detail-basic {
    margin-top: 7px;
  }
}

@media (max-width: 680px) {
  .home-hero-media {
    margin-left: calc(-1 * var(--space-3));
    margin-right: calc(-1 * var(--space-3));
    width: auto;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .people-controls {
    justify-content: flex-start;
  }

  .people-term-trigger {
    min-width: 152px;
    height: 36px;
    font-size: 0.88rem;
  }

  .nav-right {
    position: relative; /* anchor for dropdown */
    gap: var(--space-2);
  }

  .nav-links {
    display: none; /* hidden by default on mobile */
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 200px;
    max-height: calc(100dvh - 88px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    z-index: 1000;

    background: var(--nav-top-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);

    flex-direction: column;
    gap: 0;
    padding: 6px 0;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links-1st,
  .nav-links-2nd {
    display: block;
    width: 100%;
    margin-left: 0;
  }

  .nav-links .nav-link {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 12px 16px;
  }

  .nav-links .nav-link:hover {
    color: var(--text);
    background: rgba(0, 0, 0, 0.04);
  }

  .nav-links .nav-link.is-active {
    color: var(--text);
    background: rgba(0, 0, 0, 0.06);
  }

  .nav-item-with-submenu {
    display: block;
    width: 100%;
  }

  .nav-item-with-submenu .nav-link {
    width: 100%;
  }

  .nav-submenu {
    display: block;
    position: static;
    min-width: 0;
    border: 0;
    box-shadow: none;
    padding: 0;
    margin: 0 0 0 14px;
    background: transparent;
  }

  .nav-submenu .nav-link {
    padding: 10px 16px;
    font-weight: 600;
  }

  .nav-submenu .nav-link.nav-link-indented {
    padding-left: 30px;
  }
}

@media (max-width: 980px) and (min-width: 681px) {
  .nav-links {
    flex-direction: row;
    align-items: center;
    gap: 0;
  }

  .nav-links-2nd {
    display: none;
  }

  .nav-more {
    display: inline-flex;
    align-items: center;
    margin-left: var(--space-2);
  }
}

@media (max-width: 680px) {
  .nav-main-inner {
    padding: var(--space-2) var(--space-3);
  }

  .nav-logo-school {
    height: 24px;
  }

  .nav-logo-lab {
    height: 26px;
  }

  .nav-logo-divider {
    height: 22px;
  }

  .nav-links-2nd {
    display: block;
  }

  .nav-more {
    display: none;
  }
}

@media (max-width: 800px) {
  .footer-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-right {
    text-align: left;
  }

  .footer-lab {
    white-space: normal;
  }
}

@media (max-width: 900px) {
  .pub-section-title {
    font-size: 1.25rem;
  }

  .pub-title {
    font-size: 1rem;
  }

  .pub-authors,
  .pub-meta {
    font-size: 0.9rem;
  }
}

@media (max-width: 800px) {
  .news-item-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .home-news-head {
    flex-direction: column;
    align-items: flex-start;
  }
}