/* ===================================
   海洋生物学科サイト — proposal-a 堅実型
   カラー: 紺・青系 / 信頼感・清潔感
   =================================== */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #1a3a5c;
  --color-primary-light: #2a5a8c;
  --color-primary-dark: #0f2440;
  --color-accent: #2980b9;
  --color-accent-light: #3498db;
  --color-bg: #ffffff;
  --color-bg-light: #f4f7fa;
  --color-bg-dark: #e8edf2;
  --color-text: #2c3e50;
  --color-text-light: #5a6c7e;
  --color-text-inverse: #ffffff;
  --color-border: #d1d9e0;
  --color-cta: #1a6b3c;
  --color-cta-hover: #218c4e;
  --font-sans: "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Meiryo", sans-serif;
  --max-width: 1100px;
  --header-height: 72px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-primary);
}

img {
  max-width: 100%;
  height: auto;
}

/* --- Header Top Bar (visitor navigation) --- */
.header-top {
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

.header-top-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.4rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-top-sns {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.sns-link-top {
  color: var(--color-text-inverse);
  opacity: 0.75;
  transition: opacity 0.2s, transform 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  font-weight: 500;
  text-decoration: none;
}

.sns-link-top:hover {
  opacity: 1;
  color: var(--color-text-inverse);
  transform: translateY(-1px);
}

.header-top-nav {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.header-top-nav a {
  color: var(--color-text-inverse);
  font-size: 0.73rem;
  font-weight: 500;
  padding: 0.3rem 0.7rem;
  border-radius: 3px;
  transition: background 0.2s, transform 0.2s;
  white-space: nowrap;
}

.header-top-nav a:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-text-inverse);
}

/* 受験生・保護者ボタンを強調 */
.header-top-nav .header-top-cta {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-weight: 700;
  padding: 0.3rem 0.9rem;
  border-radius: 4px;
}

.header-top-nav .header-top-cta:hover {
  background: var(--color-text-inverse);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* --- Sticky wrapper for both header bars --- */
.header-wrapper {
  position: sticky;
  top: 0;
  z-index: 100;
}

/* --- Header Main (logo + content nav) --- */
.site-header {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  height: var(--header-height);
}

.site-branding a {
  color: var(--color-text-inverse);
  text-decoration: none;
}

.site-branding {
  flex-shrink: 0;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  white-space: nowrap;
}

.logo-img {
  height: 36px;
  width: auto;
  background: #ffffff;
  border-radius: 5px;
  padding: 3px 6px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}

.uni-name {
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  opacity: 0.85;
}

.dept-name {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

/* Nav */
.site-nav ul {
  list-style: none;
  display: flex;
  gap: 0.1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  color: var(--color-text-inverse);
  font-size: 0.78rem;
  padding: 0.4rem 0.55rem;
  border-radius: 4px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}

.site-nav a:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.site-nav a.active {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-text-inverse);
}

/* Hamburger */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-inverse);
  border-radius: 2px;
  transition: transform 0.3s;
}

/* --- Hero (Top Page) --- */
.hero {
  position: relative;
  background: url('/images/hero-main.png') center center / cover no-repeat;
  color: var(--color-text-inverse);
  text-align: center;
  padding: 6rem 1.5rem 5.5rem;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 36, 64, 0.7) 0%, rgba(26, 58, 92, 0.55) 40%, rgba(41, 128, 185, 0.4) 100%);
}

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

.hero-lead {
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  opacity: 0.9;
  margin-bottom: 0.5rem;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-catchcopy {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 2.5rem;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  transition: all 0.2s;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-primary);
  border-color: var(--color-text-inverse);
  backdrop-filter: blur(4px);
  font-weight: 700;
}

.btn-primary:hover {
  background: var(--color-text-inverse);
  border-color: var(--color-text-inverse);
  color: var(--color-primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-inverse);
  border-color: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: var(--color-text-inverse);
  color: var(--color-text-inverse);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.btn-outline-light {
  background: transparent;
  color: var(--color-text-inverse);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover {
  background: var(--color-text-inverse);
  color: var(--color-primary);
}

.btn-secondary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.btn-secondary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: var(--color-text-inverse);
}

/* --- Sections --- */
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-title {
  text-align: center;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 2.5rem;
  letter-spacing: 0.03em;
}

.section-title::after {
  content: "";
  display: block;
  width: 50px;
  height: 3px;
  background: var(--color-accent);
  margin: 0.8rem auto 0;
  border-radius: 2px;
}

.section-title-left {
  text-align: left;
}

.section-title-left::after {
  margin: 0.8rem 0 0;
}

/* Features */
.features {
  padding: 5rem 1.5rem;
  background: var(--color-bg-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: var(--color-bg);
  border-radius: 12px;
  overflow: hidden;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.feature-card:hover .feature-img img {
  transform: scale(1.05);
}

.feature-card h3 {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin: 1.5rem 1.5rem 0.3rem;
}

.feature-subtitle {
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.feature-card > p:last-child {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.7;
  padding: 0 1.5rem 2rem;
}

/* Overview (2-column) */
.overview {
  padding: 5rem 1.5rem;
}

.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.overview-text-block p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: 1rem;
}

.overview-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.overview-illustration {
  box-shadow: none;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.overview-illustration img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.overview-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.overview-link {
  margin-top: 1.5rem;
}

/* Career Preview */
.career-preview {
  padding: 5rem 1.5rem;
  background: var(--color-bg-light);
}

.career-grid-icon {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.career-icon-item {
  background: var(--color-bg);
  border-radius: 12px;
  padding: 1.5rem 1.2rem;
  text-align: center;
  transition: transform 0.25s, box-shadow 0.25s;
  border: 1px solid var(--color-border);
}

.career-icon-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.career-icon-item img {
  width: 130px;
  height: auto;
  object-fit: contain;
  margin-bottom: 0.8rem;
}

.career-icon-item h4 {
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.career-icon-item p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Legacy career grid (kept for other pages) */
.career-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.career-item {
  background: var(--color-bg);
  border-radius: 8px;
  padding: 1.8rem 1.5rem;
  border-left: 4px solid var(--color-accent);
  transition: transform 0.2s;
}

.career-item:hover {
  transform: translateY(-2px);
}

.career-item h4 {
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.career-item p {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* News Strip (hero directly below) */
.news-strip {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  z-index: 10;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  padding: 2rem 1.5rem 1.5rem;
}

.news-strip-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.news-strip-heading {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  padding-left: 0.8rem;
  border-left: 3px solid var(--color-accent);
  line-height: 1;
}

.news-strip-list {
  display: flex;
  flex-direction: column;
}

.news-strip-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.75rem 0.8rem;
  color: var(--color-text);
  text-decoration: none;
  transition: background 0.15s;
  border-bottom: 1px solid var(--color-bg-dark);
  border-radius: 4px;
}

.news-strip-item:last-child {
  border-bottom: none;
}

.news-strip-item:hover {
  background: var(--color-bg-light);
  color: var(--color-text);
}

.news-strip-featured {
  background: linear-gradient(90deg, rgba(41, 128, 185, 0.05) 0%, transparent 100%);
}

.news-strip-badge {
  display: inline-block;
  font-size: 0.58rem;
  font-weight: 800;
  color: var(--color-text-inverse);
  background: #e74c3c;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  letter-spacing: 0.08em;
  flex-shrink: 0;
  line-height: 1.3;
}

.news-strip-date {
  font-size: 0.78rem;
  color: var(--color-text-light);
  white-space: nowrap;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  min-width: 5.5rem;
}

.news-strip-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.4;
}

.tag-info {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.tag-research {
  background: var(--color-primary-light);
  color: var(--color-text-inverse);
}

.tag-event {
  background: var(--color-cta);
  color: var(--color-text-inverse);
}

.news-strip-text {
  font-size: 0.88rem;
  color: var(--color-text);
  flex: 1;
  line-height: 1.5;
}

.news-strip-arrow {
  font-size: 0.85rem;
  color: var(--color-accent);
  flex-shrink: 0;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.2s, transform 0.2s;
}

.news-strip-item:hover .news-strip-arrow {
  opacity: 1;
  transform: translateX(0);
}

.news-strip-more {
  text-align: right;
  margin-top: 0.8rem;
}

.btn-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: color 0.2s;
}

.btn-text:hover {
  color: var(--color-primary);
}

/* SNS Links (Header) */
.header-sns {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 0.7rem;
  padding-left: 0.7rem;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

.sns-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-text-inverse);
  opacity: 0.8;
  transition: opacity 0.2s;
}

.sns-link:hover {
  opacity: 1;
  color: var(--color-text-inverse);
}

/* SNS Links (Footer) */
.footer-sns {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-sns-label {
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0.8;
}

.footer-sns .sns-link {
  font-size: 0.85rem;
  color: var(--color-text-inverse);
  opacity: 0.8;
}

.footer-sns .sns-link:hover {
  opacity: 1;
  color: var(--color-text-inverse);
}

/* CTA */
.cta {
  background: url('/images/hero-slide3.png') center center / cover no-repeat;
  position: relative;
  color: var(--color-text-inverse);
  text-align: center;
  padding: 5rem 1.5rem;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 36, 64, 0.82) 0%, rgba(26, 58, 92, 0.75) 100%);
}

.cta .section-inner {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.cta-text {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Press Release - Section */
.press-section {
  padding: 3rem 1.5rem 4rem;
}

.press-intro {
  max-width: 700px;
  margin: 0 auto 2.5rem;
  text-align: center;
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.9;
}

.press-section-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 2.5rem 0 1.5rem;
  padding-left: 0.8rem;
  border-left: 3px solid var(--color-accent);
}

/* Press Release - Year Navigation */
.press-year-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 3rem;
  padding: 1.2rem;
  background: var(--color-bg-light);
  border-radius: 8px;
}

.press-year-link {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: all 0.2s;
  text-decoration: none;
}

.press-year-link:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.press-year-section {
  margin-bottom: 3rem;
}

.press-year-heading {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--color-bg-dark);
}

/* Press Release - Card Grid */
.press-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.press-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.8rem;
  text-decoration: none;
  color: var(--color-text);
  transition: transform 0.2s, box-shadow 0.2s;
}

.press-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  color: var(--color-text);
}

.press-card-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
}

.press-card-journal {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text-inverse);
  background: var(--color-primary-light);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
}

.press-card-date {
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-variant-numeric: tabular-nums;
}

.press-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.5;
  margin-bottom: 0.8rem;
}

.press-card-points {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.press-card-points li {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.6;
  padding-left: 1.1rem;
  position: relative;
  margin-bottom: 0.3rem;
}

.press-card-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.press-card-footer {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-bottom: 0.5rem;
}

.press-card-researcher {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary);
}

.press-card-lab {
  font-size: 0.72rem;
  color: var(--color-text-light);
}

.press-card-arrow {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.2s, transform 0.2s;
  align-self: flex-end;
}

.press-card:hover .press-card-arrow {
  opacity: 1;
  transform: translateX(0);
}

.press-media-note {
  background: var(--color-bg-light);
  border-left: 4px solid var(--color-accent);
  padding: 1.5rem 2rem;
  border-radius: 0 8px 8px 0;
  margin-top: 3rem;
}

.press-media-note h3 {
  color: var(--color-primary);
  font-size: 1rem;
  margin: 0 0 0.5rem;
}

.press-media-note p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 0;
}

/* Press Release - Detail Page */
.press-detail {
  padding: 3rem 1.5rem 4rem;
  max-width: 800px;
  margin: 0 auto;
}

.press-detail-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--color-bg-dark);
}

.press-detail-meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}

.press-detail-journal {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-inverse);
  background: var(--color-primary-light);
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
}

.press-detail-date {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.press-detail-info {
  display: flex;
  gap: 1.5rem;
}

.press-detail-researcher {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
}

.press-detail-lab {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.press-detail-points {
  background: linear-gradient(135deg, rgba(41, 128, 185, 0.06) 0%, transparent 100%);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.8rem 2rem;
  margin-bottom: 2rem;
}

.press-detail-points h2 {
  font-size: 1rem;
  color: var(--color-primary);
  margin: 0 0 0.8rem;
  padding: 0;
  border: none;
}

.press-detail-points ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.press-detail-points li {
  font-size: 0.92rem;
  line-height: 1.7;
  padding-left: 1.2rem;
  position: relative;
  margin-bottom: 0.4rem;
}

.press-detail-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
}

.press-pdf-download {
  text-align: center;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

/* For Applicants Shortcut */
.for-applicants {
  padding: 4rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.for-applicants .section-title {
  color: var(--color-text-inverse);
}

.for-applicants .section-title::after {
  background: rgba(255, 255, 255, 0.4);
}

.for-applicants-lead {
  text-align: center;
  font-size: 0.95rem;
  opacity: 0.85;
  margin-bottom: 2rem;
}

.for-applicants-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  max-width: 960px;
  margin: 0 auto;
}

.for-applicants-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  padding: 1.5rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  text-decoration: none;
  color: var(--color-text-inverse);
  transition: all 0.25s;
}

.for-applicants-card:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  color: var(--color-text-inverse);
}

.for-applicants-icon {
  opacity: 0.85;
}

.for-applicants-label {
  font-size: 0.95rem;
  font-weight: 700;
}

.for-applicants-desc {
  font-size: 0.75rem;
  opacity: 0.7;
}

.for-applicants-pamphlet {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.14);
}

/* For Parents Preview */
.for-parents-preview {
  padding: 4rem 1.5rem;
  background: var(--color-bg-light);
}

.for-parents-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  max-width: 900px;
  margin: 0 auto;
}

.for-parents-item {
  text-align: center;
  padding: 1.5rem 1rem;
}

.for-parents-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: 50%;
  margin-bottom: 0.8rem;
}

.for-parents-item h4 {
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.for-parents-item p {
  font-size: 0.78rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .for-applicants-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .for-parents-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Open Campus Highlight */
.oc-highlight {
  background: linear-gradient(135deg, rgba(41, 128, 185, 0.08) 0%, rgba(26, 58, 92, 0.05) 100%);
  border: 2px solid var(--color-accent);
  border-radius: 12px;
  padding: 2rem 2.5rem;
  text-align: center;
  margin-bottom: 2rem;
}

.oc-highlight h2 {
  border-bottom: none;
  color: var(--color-primary);
  margin-top: 0;
}

.oc-highlight table {
  margin: 1.5rem auto;
  max-width: 500px;
}

.oc-sns-links {
  margin-top: 1rem;
  font-size: 0.9rem;
}

.oc-sns-links a {
  font-weight: 600;
}

.content-body blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 1rem 1.5rem;
  margin: 1rem 0;
  background: var(--color-bg-light);
  border-radius: 0 8px 8px 0;
  font-size: 0.9rem;
  color: var(--color-text-light);
  font-style: normal;
}

.content-body blockquote strong {
  color: var(--color-primary);
  font-style: normal;
}

/* Faculty Tile Grid */
.faculty-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin: 1.5rem 0 2rem;
}

.faculty-tile {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  text-align: center;
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.faculty-tile:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  transform: translateY(-6px);
  border-color: var(--color-accent);
}

.faculty-tile:hover .faculty-img-wrap img {
  transform: scale(1.05);
  filter: brightness(1.05);
  border-color: var(--color-accent);
}

.faculty-tile::after {
  content: "詳細を見る →";
  display: block;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  padding: 0.6rem;
  border-top: 1px solid var(--color-bg-dark);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s, transform 0.2s;
}

.faculty-tile:hover::after {
  opacity: 1;
  transform: translateY(0);
}

.faculty-info {
  padding: 0.7rem 0.8rem 0.9rem;
}

.faculty-info h3 {
  font-size: 0.92rem;
  color: var(--color-primary);
  margin: 0 0 0.25rem;
}

.faculty-rank {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.2rem;
}

.faculty-lab {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-light);
  margin-bottom: 0.15rem;
}

.faculty-field {
  display: block;
  font-size: 0.65rem;
  color: var(--color-text-light);
  opacity: 0.8;
  font-style: italic;
}

/* Lab Cards (research lab list) */
.lab-card-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.lab-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow 0.25s, transform 0.25s;
}

.lab-card:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.lab-card-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.lab-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.lab-card:hover .lab-card-img img {
  transform: scale(1.05);
}

.lab-card-body {
  padding: 1.3rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.lab-card-body h3 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin: 0 0 0.35rem;
}

.lab-card-staff {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}

.lab-card-body > p:nth-of-type(2) {
  font-size: 0.84rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0.8rem;
  flex: 1;
}

.lab-card-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin: 0;
}

.lab-card-tags span {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-primary-light);
  background: var(--color-bg-light);
  border: 1px solid var(--color-bg-dark);
  padding: 0.2rem 0.55rem;
  border-radius: 12px;
}

/* Lab card as link */
a.lab-card {
  text-decoration: none;
  color: inherit;
}

a.lab-card:hover {
  color: inherit;
}

/* Lab Hero Image (individual page) */
.lab-hero-image {
  max-height: 360px;
  overflow: hidden;
}

.lab-hero-image img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  display: block;
}

/* Lab Detail Grid */
.lab-detail-grid {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 3rem;
  max-width: 900px;
  margin: 0 auto;
}

.lab-sidebar,
.faculty-detail-sidebar {
  position: sticky;
  top: 90px;
  align-self: start;
}

/* Lab Member List in Sidebar */
.lab-member-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.lab-member {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.5rem;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
}

.lab-member:hover {
  background: var(--color-bg);
  color: inherit;
}

.lab-member img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top;
  border: 2px solid var(--color-bg-dark);
  flex-shrink: 0;
  transition: border-color 0.2s;
}

.lab-member:hover img {
  border-color: var(--color-accent);
}

.lab-member-info {
  display: flex;
  flex-direction: column;
}

.lab-member-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}

.lab-member-rank {
  font-size: 0.72rem;
  color: var(--color-text-light);
}

.lab-sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.lab-sidebar-tags span {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-primary-light);
  background: var(--color-bg);
  border: 1px solid var(--color-bg-dark);
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
}

@media (max-width: 768px) {
  .header-top {
    display: none;
  }

  .lab-card-list {
    grid-template-columns: 1fr;
  }

  .lab-detail-grid {
    grid-template-columns: 1fr;
  }

  .lab-hero-image img {
    height: 220px;
  }
}

/* Faculty Image Wrap (for hover zoom) */
.faculty-img-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.2rem 1.2rem 0.5rem;
  background: var(--color-bg);
}

.faculty-img-wrap img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  object-position: top;
  background: var(--color-bg-light);
  border-radius: 50%;
  border: 3px solid var(--color-bg-dark);
  transition: transform 0.3s, filter 0.3s, border-color 0.3s;
}

/* Faculty Hero (Individual Page) */
.faculty-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--color-text-inverse);
  text-align: center;
  padding: 2rem 1.5rem 3rem;
}

.faculty-hero-inner {
  max-width: 600px;
  margin: 0 auto;
}

.faculty-hero-back a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  transition: color 0.2s;
}

.faculty-hero-back a:hover {
  color: var(--color-text-inverse);
}

.faculty-hero-photo {
  width: 180px;
  height: 180px;
  margin: 1.5rem auto;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.faculty-hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.faculty-hero-rank {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  opacity: 0.85;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}

.faculty-hero-name {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.faculty-hero-field {
  font-size: 0.9rem;
  opacity: 0.85;
  margin-bottom: 1.5rem;
}

.faculty-hero-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.faculty-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-text-inverse);
  padding: 0.5rem 1.2rem;
  border-radius: 6px;
  transition: all 0.2s;
}

.faculty-link-btn:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  color: var(--color-primary);
}

/* Faculty Detail */
.faculty-detail {
  padding: 3rem 1.5rem 4rem;
}

.faculty-detail-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  max-width: 900px;
  margin: 0 auto;
}

.faculty-detail-main h2 {
  font-size: 1.3rem;
  color: var(--color-primary);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-bg-dark);
}

.faculty-message {
  margin-top: 2.5rem;
}

.faculty-message blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 1.2rem 1.5rem;
  background: var(--color-bg-light);
  border-radius: 0 8px 8px 0;
  font-size: 0.95rem;
  color: var(--color-text);
  font-style: normal;
  line-height: 1.9;
  margin: 1rem 0 0;
}

.faculty-sidebar-card {
  background: var(--color-bg-light);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.faculty-sidebar-card:last-child {
  margin-bottom: 0;
}

.faculty-sidebar-card h3 {
  font-size: 0.9rem;
  color: var(--color-primary);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

/* Faculty Courses */
.faculty-courses {
  margin-top: 2.5rem;
}

.faculty-courses h2 {
  font-size: 1.3rem;
  color: var(--color-primary);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-bg-dark);
}

.faculty-courses-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.faculty-courses-list li {
  font-size: 0.85rem;
  color: var(--color-text);
  background: var(--color-bg-light);
  border: 1px solid var(--color-bg-dark);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
}

/* Faculty Sidebar Courses */
.faculty-sidebar-courses {
  list-style: none;
  margin: 0;
  padding: 0;
}

.faculty-sidebar-courses li {
  font-size: 0.78rem;
  color: var(--color-text);
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--color-bg-dark);
}

.faculty-sidebar-courses li:last-child {
  border-bottom: none;
}

.faculty-dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.85rem;
}

.faculty-dl dt {
  font-weight: 600;
  color: var(--color-text-light);
}

.faculty-dl dd {
  color: var(--color-text);
}

@media (max-width: 768px) {
  .faculty-detail-grid {
    grid-template-columns: 1fr;
  }

  .faculty-hero-photo {
    width: 140px;
    height: 140px;
  }

  .faculty-hero-name {
    font-size: 1.5rem;
  }
}

/* --- Page Hero (Sub Pages) --- */
.page-hero {
  background: url('/images/hero-slide2.png') center center / cover no-repeat;
  position: relative;
  color: var(--color-text-inverse);
  padding: 4rem 1.5rem;
  text-align: center;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 36, 64, 0.7);
}

.page-hero .section-inner {
  position: relative;
  z-index: 1;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.page-subtitle {
  font-size: 1rem;
  opacity: 0.85;
  margin-top: 0.5rem;
}

/* --- Content Body --- */
.page-content {
  padding: 4rem 1.5rem;
}

.content-body {
  max-width: 800px;
  margin: 0 auto;
}

.content-body h2 {
  font-size: 1.4rem;
  color: var(--color-primary);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-bg-dark);
}

.content-body h3 {
  font-size: 1.15rem;
  color: var(--color-primary-light);
  margin: 2rem 0 0.8rem;
}

.content-body p {
  margin-bottom: 1.2rem;
  line-height: 2;
}

.content-body ul,
.content-body ol {
  margin: 0.8rem 0 1.5rem 1.5rem;
}

.content-body li {
  margin-bottom: 0.4rem;
  line-height: 1.8;
}

.content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.content-body th,
.content-body td {
  padding: 0.8rem 1rem;
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.content-body th {
  background: var(--color-bg-light);
  font-weight: 600;
  color: var(--color-primary);
}

/* Info Box */
.info-box {
  background: var(--color-bg-light);
  border-left: 4px solid var(--color-accent);
  padding: 1.5rem 2rem;
  border-radius: 0 8px 8px 0;
  margin: 2rem 0;
}

.info-box h3 {
  margin-top: 0;
}

/* Card Grid (for labs etc.) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 2rem;
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card h3 {
  color: var(--color-primary);
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* --- Footer --- */
.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
  padding: 3rem 1.5rem 2rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.footer-name-en {
  font-size: 0.75rem;
  opacity: 0.7;
  margin-bottom: 0.5rem;
}

.footer-address {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-bottom: 1.5rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-bottom: 2rem;
}

.footer-links a {
  color: var(--color-text-inverse);
  opacity: 0.8;
  font-size: 0.85rem;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-text-inverse);
}

.footer-copy {
  font-size: 0.75rem;
  opacity: 0.6;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1.5rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero {
    padding: 4rem 1.5rem 3.5rem;
    min-height: 400px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-catchcopy {
    font-size: 1.1rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

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

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

  .overview-image {
    order: -1;
  }

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

  .career-grid-icon {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .career-icon-item img {
    width: 100px;
    height: auto;
  }

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

  .faculty-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
  }

  .news-strip-item {
    flex-wrap: wrap;
    gap: 0.3rem 0.6rem;
    padding: 0.7rem 0.5rem;
  }

  .news-strip-text {
    flex-basis: 100%;
    font-size: 0.85rem;
  }

  .news-strip-arrow {
    opacity: 1;
    position: absolute;
    right: 0.5rem;
  }

  .news-strip-item {
    position: relative;
    padding-right: 1.5rem;
  }

  .header-sns {
    border-left: none;
    margin-left: 0;
    padding-left: 0;
    padding-top: 0.5rem;
    justify-content: center;
  }

  .footer-sns {
    flex-wrap: wrap;
    gap: 0.8rem;
  }

  /* Mobile Nav */
  .menu-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    padding: 1rem;
  }

  .site-nav a {
    display: block;
    padding: 0.8rem 1rem;
  }

  .logo-img {
    height: 34px;
  }

  .dept-name {
    font-size: 0.95rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .cta-title {
    font-size: 1.3rem;
  }
}