/* ============================================================
   Nakayama Lab — Cell Signaling & Informatics
   style.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=DM+Serif+Display:ital@0;1&family=Space+Mono:wght@400;700&display=swap');

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --teal-50:  #E1F5EE;
  --teal-100: #9FE1CB;
  --teal-200: #5DCAA5;
  --teal-400: #1D9E75;
  --teal-600: #0F6E56;
  --teal-800: #085041;
  --teal-900: #04342C;

  --gray-50:  #F5F4F0;
  --gray-100: #E8E7E2;
  --gray-200: #D3D1C7;
  --gray-400: #888780;
  --gray-600: #5F5E5A;
  --gray-800: #2C2C2A;

  --amber-50:  #FAEEDA;
  --amber-100: #FAC775;
  --amber-600: #854F0B;

  --blue-50:  #E6F1FB;
  --blue-100: #B5D4F4;
  --blue-600: #185FA5;
  --blue-800: #0C447C;

  --coral-50:  #FAECE7;
  --coral-100: #F5C4B3;
  --coral-600: #993C1D;

  --font-sans:  'Noto Sans JP', sans-serif;
  --font-serif: 'DM Serif Display', serif;
  --font-mono:  'Space Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-card: 0 1px 4px rgba(0,0,0,0.06), 0 0 0 0.5px rgba(0,0,0,0.07);

  --nav-h: 60px;
  --container-w: 860px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-800);
  background: var(--gray-50);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--gray-200);
}

.header-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-logo {
  text-decoration: none;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.2;
}
.logo-en {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--teal-600);
  letter-spacing: 0.03em;
}
.logo-ja {
  font-size: 10px;
  color: var(--gray-400);
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-size: 13px;
  color: var(--gray-600);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  transition: color 0.15s, background 0.15s;
}
.nav-link:hover {
  color: var(--gray-800);
  background: var(--gray-100);
}

.nav-cta {
  font-size: 13px;
  font-weight: 500;
  color: var(--teal-800);
  background: var(--teal-50);
  border: 0.5px solid var(--teal-100);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: var(--radius-md);
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--teal-100); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 6px;
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--gray-600);
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: #fff;
  border-bottom: 0.5px solid var(--gray-200);
  padding: 4rem 1.5rem 3.5rem;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-deco {
  position: absolute;
  top: -80px;
  right: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: var(--teal-50);
  opacity: 0.5;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--teal-600);
  background: var(--teal-50);
  border: 0.5px solid var(--teal-100);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 1.75rem;
  letter-spacing: 0.04em;
}
.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal-400);
  flex-shrink: 0;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 400;
  line-height: 1.3;
  color: var(--gray-800);
  margin-bottom: 0.75rem;
}
.hero-title em {
  font-style: italic;
  color: var(--teal-600);
}

.hero-sub {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray-400);
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
}

.hero-desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray-600);
  max-width: 560px;
  margin-bottom: 2rem;
}

.hero-ctas {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-family: var(--font-sans);
  font-weight: 500;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
  cursor: pointer;
  border: none;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--teal-600);
  color: var(--teal-50);
}
.btn-primary:hover { background: var(--teal-800); }

.btn-secondary {
  background: transparent;
  color: var(--gray-600);
  border: 0.5px solid var(--gray-200);
}
.btn-secondary:hover { background: var(--gray-100); color: var(--gray-800); }

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border-bottom: 0.5px solid var(--gray-200);
}

.stat-item {
  padding: 1.5rem 1rem;
  text-align: center;
  border-right: 0.5px solid var(--gray-200);
}
.stat-item:last-child { border-right: none; }

.stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--teal-600);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  display: block;
  font-size: 11px;
  color: var(--gray-400);
  letter-spacing: 0.02em;
}

/* ============================================================
   SECTION COMMONS
   ============================================================ */
.section {
  padding: 4rem 1.5rem;
}
.section-alt {
  background: #fff;
  border-top: 0.5px solid var(--gray-200);
  border-bottom: 0.5px solid var(--gray-200);
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.5rem;
}
.section-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gray-400);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  white-space: nowrap;
}
.section-line {
  flex: 1;
  height: 0.5px;
  background: var(--gray-200);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--gray-800);
  margin-bottom: 1rem;
}
.section-lead {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.85;
  max-width: 640px;
  margin-bottom: 2rem;
}

/* ============================================================
   RESEARCH — PILLARS
   ============================================================ */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 2.5rem;
}

.pillar-card {
  background: #fff;
  border: 0.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border-top: 3px solid var(--teal-400);
  transition: box-shadow 0.2s;
}
.pillar-card:hover {
  box-shadow: 0 4px 16px rgba(15,110,86,0.10);
}

.pillar-icon {
  font-size: 22px;
  margin-bottom: 0.875rem;
  display: block;
}
.pillar-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 0.625rem;
  color: var(--gray-800);
  line-height: 1.4;
}
.pillar-desc {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.75;
}

/* ============================================================
   RESEARCH — IMAGE & TOPICS
   ============================================================ */
.research-image-wrap {
  margin: 0 0 2.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 0.5px solid var(--gray-200);
}
.research-img {
  width: 100%;
  object-fit: cover;
}

.research-topics {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin-bottom: 2.5rem;
}

.topic-block { }
.topic-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--teal-600);
  margin-bottom: 0.5rem;
  padding-left: 0.875rem;
  border-left: 3px solid var(--teal-200);
}
.topic-block p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.85;
}

/* ============================================================
   RESEARCH — ONGOING THEMES
   ============================================================ */
.ongoing-themes {
  background: var(--gray-50);
  border: 0.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
}
.ongoing-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 1rem;
}
.theme-list {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.theme-list li {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ============================================================
   NEWS
   ============================================================ */
.news-list {
  background: var(--gray-50);
  border: 0.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.news-item {
  display: flex;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  border-bottom: 0.5px solid var(--gray-200);
  align-items: flex-start;
  transition: background 0.15s;
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: #fff; }

.news-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-400);
  white-space: nowrap;
  padding-top: 3px;
  min-width: 74px;
}

.news-badge {
  font-size: 10px;
  padding: 3px 9px;
  border-radius: 100px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 1px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.badge-paper  { background: var(--teal-50);   color: var(--teal-600);  border: 0.5px solid var(--teal-100); }
.badge-news   { background: var(--blue-50);   color: var(--blue-600);  border: 0.5px solid var(--blue-100); }
.badge-award  { background: var(--amber-50);  color: var(--amber-600); border: 0.5px solid var(--amber-100); }
.badge-conf   { background: var(--coral-50);  color: var(--coral-600); border: 0.5px solid var(--coral-100); }

.news-text {
  font-size: 13px;
  color: var(--gray-800);
  line-height: 1.65;
  flex: 1;
}
em.news-journal {
  font-style: italic;
  color: var(--teal-600);
  font-size: 12px;
  display: inline;
  margin-left: 4px;
}

/* ============================================================
   PI PROFILE
   ============================================================ */
.profile-card {
  display: flex;
  gap: 1.75rem;
  align-items: flex-start;
  background: #fff;
  border: 0.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2.5rem;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--teal-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--teal-800);
  flex-shrink: 0;
}

.profile-body { flex: 1; }

.profile-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--gray-800);
  margin-bottom: 4px;
}
.profile-title {
  font-size: 12px;
  color: var(--gray-400);
  margin-bottom: 0.875rem;
}
.profile-bio {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.profile-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.profile-link {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--teal-600);
  background: var(--teal-50);
  border: 0.5px solid var(--teal-100);
  padding: 4px 12px;
  border-radius: 100px;
  text-decoration: none;
  transition: background 0.15s;
}
.profile-link:hover { background: var(--teal-100); }

/* ============================================================
   CV BLOCK
   ============================================================ */
.cv-block { }

.cv-heading {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-800);
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 0.5px solid var(--gray-200);
}

.cv-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.cv-item {
  display: flex;
  gap: 1.5rem;
  padding: 0.875rem 0;
  border-bottom: 0.5px solid var(--gray-100);
  align-items: flex-start;
}
.cv-item:last-child { border-bottom: none; }

.cv-period {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-400);
  white-space: nowrap;
  min-width: 100px;
  padding-top: 3px;
}
.cv-detail {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.75;
  flex: 1;
}
.cv-detail strong { color: var(--gray-800); }

/* Lists in CV */
.award-list, .grant-list, .service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.award-list li, .grant-list li, .service-list li {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.7;
  padding: 0.5rem 0;
  border-bottom: 0.5px solid var(--gray-100);
}
.award-list li:last-child,
.grant-list li:last-child,
.service-list li:last-child { border-bottom: none; }

.society-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.society-tag {
  font-size: 12px;
  color: var(--teal-600);
  background: var(--teal-50);
  border: 0.5px solid var(--teal-100);
  padding: 4px 12px;
  border-radius: 100px;
  text-decoration: none;
  transition: background 0.15s;
}
.society-tag:hover { background: var(--teal-100); }

/* ============================================================
   MEMBER
   ============================================================ */
.member-group-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-400);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  margin-top: 0.25rem;
}

.member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.member-card {
  background: var(--gray-50);
  border: 0.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: box-shadow 0.2s;
}
.member-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.member-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--teal-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--teal-800);
  flex-shrink: 0;
}

.member-info { flex: 1; min-width: 0; }

.member-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-800);
  line-height: 1.35;
  margin-bottom: 2px;
}
.member-name-en {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--gray-400);
  font-family: var(--font-mono);
  margin-top: 2px;
}
.member-role {
  font-size: 12px;
  color: var(--gray-500, #777);
  margin-bottom: 0.625rem;
  line-height: 1.5;
}
.member-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.member-links a {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--teal-600);
  background: var(--teal-50);
  border: 0.5px solid var(--teal-100);
  padding: 2px 8px;
  border-radius: 100px;
  text-decoration: none;
  transition: background 0.15s;
}
.member-links a:hover { background: var(--teal-100); }

.member-tbd {
  font-size: 13px;
  color: var(--gray-400);
  font-style: italic;
}
.member-tbd a { color: var(--teal-600); text-decoration: underline; }

.alumni-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.alumni-item {
  display: flex;
  gap: 1rem;
  padding: 0.625rem 0;
  border-bottom: 0.5px solid var(--gray-100);
  align-items: baseline;
  flex-wrap: wrap;
}
.alumni-name {
  font-size: 13px;
  color: var(--gray-800);
  font-weight: 500;
}
.alumni-period {
  font-size: 12px;
  color: var(--gray-400);
  font-family: var(--font-mono);
}

/* ============================================================
   PUBLICATIONS
   ============================================================ */
.pub-note {
  font-size: 12px;
  color: var(--gray-400);
  margin-bottom: 1.5rem;
  background: var(--gray-100);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  display: inline-block;
}

.pub-subhead {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 0.5px solid var(--gray-200);
}

/*counterの数値には、実際の数+1の数値を代入する*/
.pub-list {
  list-style: none;
  counter-reset: pub-counter 52; 
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pub-list-book {
  list-style: none;
  counter-reset: pub-counter-book 3;
  display: flex;
  flex-direction: column;
  gap: 0;
}


.pub-item {
  counter-increment: pub-counter -1;
  position: relative;
  padding: 0.875rem 0 0.875rem 2.75rem;
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.75;
  border-bottom: 0.5px solid var(--gray-100);
}
.pub-item:last-child { border-bottom: none; }
.pub-item::before {
  content: counter(pub-counter);
  position: absolute;
  left: 0;
  top: 0.875rem;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-400);
  min-width: 2rem;
  text-align: right;
}
.pub-item strong { color: var(--gray-800); }
.pub-item em { font-style: italic; }


.pub-item-book {
  counter-increment: pub-counter-book -1;
  position: relative;
  padding: 0.875rem 0 0.875rem 2.75rem;
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.75;
  border-bottom: 0.5px solid var(--gray-100);
}
.pub-item-book:last-child { border-bottom: none; }
.pub-item-book::before {
  content: counter(pub-counter-book);
  position: absolute;
  left: 0;
  top: 0.875rem;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-400);
  min-width: 2rem;
  text-align: right;
}
.pub-item-book strong { color: var(--gray-800); }
.pub-item-book em { font-style: italic; }


.pub-link {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--teal-600);
  background: var(--teal-50);
  border: 0.5px solid var(--teal-100);
  padding: 2px 8px;
  border-radius: 100px;
  text-decoration: none;
  margin-left: 6px;
  white-space: nowrap;
  transition: background 0.15s;
}
.pub-link:hover { background: var(--teal-100); }

.pub-ca {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--amber-600);
  background: var(--amber-50);
  border: 0.5px solid var(--amber-100);
  padding: 2px 8px;
  border-radius: 100px;
  margin-left: 4px;
}

.pub-equal {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--gray-400);
  margin-left: 4px;
}

.pub-review {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--blue-600);
  background: var(--blue-50);
  border: 0.5px solid var(--blue-100);
  padding: 2px 8px;
  border-radius: 100px;
  margin-left: 4px;
}

.pub-award {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--coral-600);
  background: var(--coral-50);
  border: 0.5px solid var(--coral-100);
  padding: 2px 8px;
  border-radius: 100px;
  margin-left: 4px;
}

/* ============================================================
   RECRUIT / JOIN
   ============================================================ */
.recruit-box {
  background: var(--teal-800);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  color: var(--teal-50);
}

.recruit-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  color: #fff;
  margin-bottom: 1rem;
}
.recruit-desc {
  font-size: 14px;
  line-height: 1.85;
  color: var(--teal-100);
  margin-bottom: 1.25rem;
  max-width: 560px;
}
.recruit-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.recruit-tag {
  font-size: 12px;
  background: rgba(255,255,255,0.10);
  color: #fff;
  border: 0.5px solid rgba(255,255,255,0.18);
  padding: 5px 14px;
  border-radius: 100px;
}
.recruit-note {
  font-size: 13px;
  color: var(--teal-100);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}
.recruit-btn {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--teal-800);
  background: #fff;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
  margin-bottom: 1.25rem;
}
.recruit-btn:hover { background: var(--teal-50); }
.recruit-btn:active { transform: scale(0.98); }

.recruit-address {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255,255,255,0.45);
  margin-top: 0.25rem;
}

/* ============================================================
   LINKS
   ============================================================ */
.links-subhead {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-800);
  margin: 1.75rem 0 0.875rem;
}
.links-subhead:first-child { margin-top: 0; }

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

.link-card {
  display: flex;
  align-items: center;
  font-size: 13px;
  color: var(--gray-600);
  background: #fff;
  border: 0.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  text-decoration: none;
  line-height: 1.45;
  transition: border-color 0.15s, color 0.15s, box-shadow 0.15s;
}
.link-card:hover {
  border-color: var(--teal-200);
  color: var(--teal-600);
  box-shadow: 0 2px 8px rgba(15,110,86,0.08);
}
.link-card::after {
  content: '↗';
  margin-left: auto;
  padding-left: 8px;
  font-size: 11px;
  color: var(--gray-400);
  flex-shrink: 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--gray-800);
  color: rgba(255,255,255,0.6);
  padding: 3rem 1.5rem 1.5rem;
}

.footer-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  display: flex;
  gap: 2rem;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-name {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 4px;
}
.footer-inst, .footer-addr {
  font-size: 12px;
  line-height: 1.7;
}
.footer-email a {
  font-size: 12px;
  color: var(--teal-100);
  text-decoration: none;
}
.footer-email a:hover { text-decoration: underline; }

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-shrink: 0;
}
.footer-nav a {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-nav a:hover { color: rgba(255,255,255,0.9); }

.footer-copy {
  max-width: var(--container-w);
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 0.5px solid rgba(255,255,255,0.1);
}
.footer-copy p {
  font-size: 11px;
  color: rgba(255,255,255,0.3);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: #fff;
    border-bottom: 0.5px solid var(--gray-200);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem;
    gap: 2px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .site-nav.is-open { display: flex; }
  .nav-link, .nav-cta { text-align: left; border-radius: var(--radius-md); }

  .hero { padding: 2.5rem 1.25rem 2rem; }
  .hero-deco { display: none; }

  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-bottom: 0.5px solid var(--gray-200); }
  .stat-item:nth-child(2) { border-right: none; }

  .pillars { grid-template-columns: 1fr; }

  .profile-card { flex-direction: column; }
  .profile-avatar { width: 64px; height: 64px; font-size: 1.5rem; }

  .cv-item { flex-direction: column; gap: 4px; }
  .cv-period { min-width: auto; }

  .member-grid { grid-template-columns: 1fr; }

  .news-item { flex-wrap: wrap; gap: 6px; }
  .news-date { min-width: auto; }

  .recruit-box { padding: 1.75rem 1.25rem; }

  .links-grid { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; gap: 1.5rem; }
  .footer-nav { flex-direction: row; flex-wrap: wrap; gap: 10px; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .hero-title { font-size: 1.6rem; }
  .section { padding: 2.5rem 1rem; }
}

/* ============================================================
   NEWS ARCHIVE LINK
   ============================================================ */
.news-archive-link {
  margin-top: 1.25rem;
  display: flex;
  justify-content: flex-end;
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .site-header, .hero-ctas, .recruit-btn { display: none; }
  .site-footer { background: #fff; color: var(--gray-600); }
  body { font-size: 12px; }
}