@charset "UTF-8";
/* ── Reset & Variables ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --main:      #0A4D8C;
  --main-dark: #073566;
  --sub:       #5BAFD6;
  --sub-light: #E8F4FB;
  --accent:    #F5A623;
  --bg:        #F4F8FB;
  --text:      #1C2A3A;
  --herotext:  #1a8bcd;
  --border:    #D6E2EC;
  --gray:      #6B8BA4;
  --white:     #ffffff;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
/*レスポンシブサイズ設定*/
/* パーツ*/
@media only screen and (max-width: 768px) {
  .pc_only {
    display: none !important; } }

@media print, screen and (min-width: 769px) {
  .sp_only {
    display: none !important; } }

@media only screen and (max-width: 768px) {
  .sp_br {
    display: block; } }

/* ── Utility ───────────────────────────────────────── */
.container {
  max-width: 1344px;
  margin: 0 auto;
  padding: 0 48px;
}
.accent-bar {
  width: 36px; height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 12px;
}
.section-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sub);
  margin-bottom: 6px;
}
.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0;
  letter-spacing: 0.03em;
}

/* ══════════════════════════════════════════════════════
   HEADER
══════════════════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--white);
  height: 72px;
  border-bottom: 3px solid var(--main);
  box-shadow: 0 2px 16px rgba(10,77,140,0.08);
  display: flex;
  align-items: center;
  padding: 0 48px;
}

.header-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  padding: 0;
  background: none;
}

.header-logo img {
  height: 48px;
  width: auto;
  display: block;
}

.header-nav {
  margin-left: 40px;
  flex: 1;
}

/* ── PC ナビ ────────────────── */
.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-item > a {
  display: block;
  padding: 8px 16px;
  font-size: 16px;
  font-weight: 500;
  color: #1C2A3A;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s, background 0.2s;
  border-radius: 4px;
}

.nav-item > a:hover,
.nav-item.has-dropdown:hover > a {
  color: #0A4D8C;
  background: #E8F4FB;
}

.has-dropdown > a::after {
  content: ' ▾';
  font-size: 10px;
  opacity: 0.6;
}

/* 2階層ドロップダウン */
.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #ffffff;
  border: 1.5px solid #D6E2EC;
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(10,77,140,0.12);
  min-width: 160px;
  list-style: none;
  padding: 6px 0;
  z-index: 200;
}

.has-dropdown:hover > .dropdown {
  display: block;
}

.dropdown-item > a {
  display: block;
  padding: 10px 20px;
  font-size: 13px;
  color: #1C2A3A;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

.dropdown-item > a:hover {
  background: #E8F4FB;
  color: #0A4D8C;
}

/* 3階層サブドロップダウン */
.has-subdropdown {
  position: relative;
}

.has-subdropdown > a::after {
  content: ' ›';
  font-size: 14px;
  opacity: 0.6;
}

.subdropdown {
  display: none;
  position: absolute;
  top: 0;
  left: 100%;
  background: #ffffff;
  border: 1.5px solid #D6E2EC;
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(10,77,140,0.12);
  min-width: 180px;
  list-style: none;
  padding: 6px 0;
  z-index: 300;
}

.has-subdropdown:hover > .subdropdown {
  display: block;
}

.subdropdown li a {
  display: block;
  padding: 10px 20px;
  font-size: 13px;
  color: #1C2A3A;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

.subdropdown li a:hover {
  background: #E8F4FB;
  color: #0A4D8C;
}

/* スマホではPC navを非表示 */
@media (max-width: 768px) {
  .nav-list { display: none; }
  .dropdown, .subdropdown { display: none !important; }
}

.btn-entry-header {
  margin-left: auto;
  flex-shrink: 0;
  background: var(--accent);
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  padding: 11px 24px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  transition: opacity 0.2s, transform 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.btn-entry-header:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-entry-header::after { content: '▶'; font-size: 9px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  margin-left: auto;
  padding: 8px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 26px; height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: var(--white);
  border-bottom: 2px solid var(--border);
  padding: 24px;
  z-index: 99;
  flex-direction: column;
  gap: 0;
  box-shadow: 0 8px 24px rgba(10,77,140,0.12);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav-entry {
  margin-top: 16px;
  background: var(--accent);
  color: var(--white) !important;
  font-weight: 700 !important;
  padding: 14px !important;
  border-radius: 4px;
  text-align: center;
  border-bottom: none !important;
}

/* ══════════════════════════════════════════════════════
   HERO / SLIDER
══════════════════════════════════════════════════════ */
.hero {
  margin-top: 72px;
  position: relative;
  height: 700px;
  overflow: hidden;
  background: var(--main-dark);
}

/* Slider */
.slider-wrapper {
  position: relative;
  width: 100%; height: 100%;
}

/* 各スライドに背景写真 */
.slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  opacity: 0;
  transition: opacity 1s ease;
  padding: 20px;
  z-index: 1;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* 写真の上にオーバーレイ（テキストを読みやすくする） */
.slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(7, 53, 102, 0.15) 0%,
    rgba(10, 77, 140, 0.25) 50%,
    rgba(7, 53, 102, 0.15) 100%
  );
  z-index: 0;
}

/* テキストをオーバーレイより前面に */
.slide > * { position: relative; z-index: 1; }

.slide.active { opacity: 1; z-index: 2; }

/* 各スライドの背景写真設定 */
.slide:nth-child(1) { background-image: url('../img/index/MV-01-2.jpg'); }
.slide:nth-child(2) { background-image: url('../img/index/MV-02.jpg'); }
.slide:nth-child(3) { background-image: url('../img/index/MV-03.jpg'); }
.slide:nth-child(4) { background-image: url('../img/index/MV-04.jpg'); }
.slide:nth-child(5) { background-image: url('../img/index/MV-05.jpg'); }

.slide-eyebrow {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.4em;
  color: var(--sub);
  text-transform: uppercase;
  margin-bottom: 20px;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}
.slide-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(28px, 5vw, 50px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.5;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5), 0 6px 32px rgba(0,0,0,0.35);
  margin-bottom: 24px;
}
.slide-title em {
  /*color: var(--sub);*/
  font-style: normal;
}
.slide-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.88);
  letter-spacing: 0.2em;
  font-weight: 300;
  text-shadow: 0 1px 6px rgba(0,0,0,0.5);
}

/* Slide dots */
.slide-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  padding: 0;
}
.dot.active {
  background: var(--sub);
  width: 28px;
  border-radius: 5px;
}

/* Slide arrows */
.slide-arrow {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  z-index: 10;
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: background 0.2s;
  backdrop-filter: blur(4px);
}
.slide-arrow:hover { background: rgba(255,255,255,0.25); }
.slide-arrow.prev { left: 24px; }
.slide-arrow.next { right: 24px; }

/* ══════════════════════════════════════════════════════
   CONTENTS SECTION
══════════════════════════════════════════════════════ */
.section-contents {
  background: var(--white);
  padding: 72px 0;
}

.section-header {
  padding-bottom: 20px;
  border-bottom: 1.5px solid var(--border);
  margin-bottom: 0;
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.content-card {
  display: flex;
  align-items: stretch;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
  position: relative;
  transition: box-shadow 0.2s, transform 0.2s;
}
.content-card:hover {
  box-shadow: 0 6px 24px rgba(10,77,140,0.1);
  transform: translateY(-2px);
}
/* 左アクセントバー */
.content-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 5px;
  background: var(--main);
  border-radius: 8px 0 0 8px;
  z-index: 3;
}
/* 青いスライドオーバーレイ */
.content-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: #0A4D8C;
  transform: translateX(-101%);
  transition: transform 0.4s ease;
  z-index: 1;
}
.content-card:hover::after {
  transform: translateX(0);
}
/* コンテンツをオーバーレイより前面に */
.content-card .card-image {
  position: relative;
  z-index: 3;
}
.content-card .card-body,
.content-card .card-action {
  position: relative;
  z-index: 2;
}
/* マウスオーバー時テキスト色 */
.content-card .card-category,
.content-card .card-title,
.content-card .card-desc,
.content-card .btn-outline {
  transition: color 0.4s ease, border-color 0.4s ease;
}
.content-card:hover .card-category {
  color: rgba(255, 255, 255, 0.7);
}
.content-card:hover .card-title {
  color: #ffffff;
}
.content-card:hover .card-desc {
  color: rgba(255, 255, 255, 0.8);
}
.content-card:hover .btn-outline {
  border-color: #ffffff;
  color: #ffffff;
}
.content-card:hover .card-image img {
  transform: scale(1.2);
}

.card-image {
  width: 170px;
  flex-shrink: 0;
  background: linear-gradient(135deg, #B8D6E5 0%, #99C2D6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 5px;
  min-height: 112px;
  position: relative;
  overflow: hidden;
}
.card-image-placeholder {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  font-weight: 500;
}
/* Real photo when added */
.card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: absolute; inset: 0;
  display: block;
  transform: scale(1.0);
  transition: transform 0.5s ease;
}

.card-body {
  padding: 20px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.card-category {
  font-size: 11px;
  font-weight: 700;
  color: var(--sub);
  letter-spacing: 0.2em;
  margin-bottom: 6px;
  display: block;
}
.card-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--main);
  margin-bottom: 6px;
}
.card-desc {
  font-size: 18px;
  color: var(--gray);
}

.card-action {
  padding: 0 28px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.btn-outline {
  border: 3px solid var(--main);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--main);
  font-size: 18px;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 4px;
  white-space: nowrap;
  letter-spacing: 0.04em;
  transition: background 0.2s, color 0.2s;
}
.btn-outline:hover {
  background: var(--main);
  color: var(--white);
}
.btn-outline-img {
  width: 200px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--main);
  font-size: 18px;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 4px;
  white-space: nowrap;
  letter-spacing: 0.04em;
  transition: background 0.2s, color 0.2s;
}
.btn-outline-img:hover {
  color: var(--white);
}
.banner-background-1{
  /* 左から右へ、純白からほんの少しだけ青みがかった薄いグレーへ */
  background: linear-gradient(to right, #ffffff 0%, #deefff 100%);
}
/* ══════════════════════════════════════════════════════
   INTERVIEW SECTION
══════════════════════════════════════════════════════ */
.section-interview {
  background: var(--bg);
  padding: 72px 0;
}

.interview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}

.interview-card {
  border-radius: 10px;
  overflow: hidden;
  background: var(--white);
  border: 1.5px solid var(--border);
  transition: box-shadow 0.2s, transform 0.2s;
  cursor: pointer;
}
.interview-card:hover {
  box-shadow: 0 8px 32px rgba(10,77,140,0.12);
  transform: translateY(-3px);
}

.interview-img {
  height: 185px;
  background: linear-gradient(135deg, #B8D6E5 0%, #99C2D6 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.interview-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: absolute; inset: 0;
  display: block;
  transform: scale(1.0);
  transition: transform 0.5s ease;
}
.interview-card:hover .interview-img img {
  transform: scale(1.2);
}
.interview-img-label {
  position: absolute;
  bottom: 12px; left: 12px;
  background: rgba(10,77,140,0.85);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 2px;
  letter-spacing: 0.05em;
}

.interview-body {
  padding: 20px 24px 24px;
}
.interview-cat {
  font-size: 11px;
  font-weight: 700;
  color: var(--sub);
  letter-spacing: 0.2em;
  margin-bottom: 8px;
  display: block;
}
.interview-card-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════
   NEWS SECTION
══════════════════════════════════════════════════════ */
.section-news {
  background: var(--white);
  padding: 72px 0;
}

.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 0;
}
.news-more {
  font-size: 18px;
  font-weight: 700;
  color: var(--sub);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
  white-space: nowrap;
}
.news-more:hover { gap: 8px; }

.news-list { display: flex; flex-direction: column; }
.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
  cursor: pointer;
}
.news-item:hover { background: var(--bg); margin: 0 -16px; padding: 16px 16px; border-radius: 4px; }

.news-date {
  font-size: 16px;
  color: var(--gray);
  font-weight: 500;
  white-space: nowrap;
  min-width: 96px;
  letter-spacing: 0.03em;
}
.news-tag {
  background: var(--sub-light);
  color: var(--main);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 2px;
  white-space: nowrap;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.news-title {
  font-size: 18px;
  color: var(--text);
  flex: 1;
}
.news-arrow {
  color: var(--sub);
  font-size: 20px;
  flex-shrink: 0;
  margin-left: auto;
}

/* ══════════════════════════════════════════════════════
   GROUP SECTION
══════════════════════════════════════════════════════ */
.section-group {
  background: var(--bg);
  padding: 72px 0;
}

.group-box {
  background: var(--white);
  border-radius: 12px;
  border: 1.5px solid var(--border);
  overflow: hidden;
  margin-top: 32px;
}

.group-box-top {
  background: linear-gradient(to right, var(--main) 0%, var(--main-dark) 100%);
  padding: 40px 48px;
  position: relative;
  overflow: hidden;
}
.group-box-top::before {
  content: '';
  position: absolute;
  top: -70px; right: -40px;
  width: 220px; height: 220px;
  border: 40px solid rgba(255,255,255,0.06);
  border-radius: 50%;
}

.group-eyebrow {
  font-size: 10px;
  font-weight: 700;
  color: var(--sub);
  letter-spacing: 0.25em;
  margin-bottom: 10px;
  display: block;
}
.group-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.group-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  max-width: 680px;
  position: relative;
  z-index: 1;
}

.group-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.group-feature {
  padding: 32px 40px;
  border-right: 1px solid var(--border);
}
.group-feature:last-child { border-right: none; }

.feature-num {
  font-size: 38px;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.feature-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--main);
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 18px;
  color: var(--gray);
  line-height: 1.7;
}

/* ══════════════════════════════════════════════════════
   CTA SECTION
══════════════════════════════════════════════════════ */
.section-cta {
  background: var(--white);
  padding: 56px 0;
}

.cta-box {
  background: var(--sub-light);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 44px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  border: 32px solid rgba(91,175,214,0.1);
  border-radius: 50%;
}

.cta-left {}
.cta-eyebrow {
  font-size: 10px;
  font-weight: 700;
  color: var(--sub);
  letter-spacing: 0.3em;
  margin-bottom: 10px;
  display: block;
}
.cta-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.cta-desc {
  font-size: 18px;
  color: var(--gray);
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
}
.cta-buttons a {
  display: inline-flex;
  text-decoration: none;
}

.btn-accent {
  background: var(--accent);
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: 6px;
  white-space: nowrap;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 20px rgba(245,166,35,0.3);
  transition: opacity 0.2s, transform 0.2s;
}
.btn-accent:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-outline-main {
  background: var(--white);
  color: var(--main);
  font-size: 18px;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: 6px;
  border: 2px solid var(--main);
  white-space: nowrap;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  transition: background 0.2s, color 0.2s;
}
.btn-outline-main:hover {
  background: var(--main);
  color: var(--white);
}

/* ══════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════ */
footer {
  background: var(--main-dark);
  color: var(--white);
}

.footer-top {
  padding: 48px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-logo {
  font-size: 18px;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 10px;
  display: block;
}
.footer-logo-img {
  height: 48px;
  width: auto;
  display: block;
}
.footer-copyright {
  font-size: 18px;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
}
.footer-links a {
  font-size: 18px;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--white); }

.footer-bottom {
  background: var(--main);
  padding: 18px;
  text-align: center;
}
.footer-tagline {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.15em;
  font-weight: 300;
}

/* ══════════════════════════════════════════════════════
   SCROLL ANIMATION
══════════════════════════════════════════════════════ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }


/* ══════════════════════════════════════════════════════
   PAGE HERO
══════════════════════════════════════════════════════ */
.page-hero {
  margin-top: 72px;
  background: var(--sub-light);
  padding: 20px 0;
  border-bottom: 3px solid var(--border);
}
.page-hero-inner {
  display: flex;
  align-items: center;
  gap: 56px;
}
.page-hero-text {
  flex: 1;
  min-width: 0;
}
.page-hero-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 2.2vw, 26px);
  font-weight: 700;
  color: var(--herotext);
  line-height: 1.65;
  margin-top: 10px;
  letter-spacing: 0.02em;
}
.page-hero-images {
  flex-shrink: 0;
  display: flex;
  gap: 12px;
  align-items: stretch;
}

/* ── Image Placeholder ── */
.img-placeholder {
  /*background: var(--border);*/
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 12px;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}
.img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
}
.img-placeholder span {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 8px 12px;
  background: rgba(255,255,255,0.7);
  border-radius: 4px;
}
.page-hero-main-img {
  width: 300px;
  height: 220px;
}
.page-hero-sub-img {
  width: 150px;
  height: 220px;
}

/* ══════════════════════════════════════════════════════
   BREADCRUMB
══════════════════════════════════════════════════════ */
.breadcrumb {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray);
  list-style: none;
}
.breadcrumb-list a {
  color: var(--sub);
  transition: color 0.2s;
}
.breadcrumb-list a:hover { color: var(--main); }
.breadcrumb-sep { color: var(--border); }

/* ══════════════════════════════════════════════════════
   RESPONSIVE — TABLET (max 1024px)
══════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .page-hero { padding: 48px 0; }
  .page-hero-inner { gap: 36px; }
  .page-hero-main-img { width: 240px; height: 180px; }
  .page-hero-sub-img  { width: 120px; height: 180px; }

    
  .container { padding: 0 32px; }

  .header-nav { margin-left: 20px; }
  .nav-item > a { font-size: 13px; padding: 8px 10px; }

  .hero { height: 440px; }
  .slide-title { font-size: 36px; }

  .card-image { width: 140px; }

  .group-features { grid-template-columns: repeat(3, 1fr); }
  .group-feature { padding: 24px 28px; }

  .cta-box { padding: 36px 40px; }
}

/* ══════════════════════════════════════════════════════
   RESPONSIVE — MOBILE (max 768px)
══════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .page-hero { margin-top: 0px; padding: 36px 0; }
  .page-hero-inner { flex-direction: column; gap: 28px; align-items: flex-start; }
  .page-hero-images { display: none; }
  .job-hero-images { display: none; }

  .container { padding: 0 20px; }

  /* Header */
  .site-header { padding: 0 20px; height: 60px; }
  .header-logo img { height: 36px; }
  .header-nav { display: none !important; }
  .btn-entry-header { display: none; }
  .hamburger { display: flex; }
  .site-header { border-bottom-width: 2px; }

  /* Mobile nav offset */
  .mobile-nav { top: 60px; }

  /* Hero */
  .hero { margin-top: 60px; height: 340px; }
  .slide-eyebrow { font-size: 9px; margin-bottom: 14px; }
  .slide-title { font-size: clamp(22px, 6vw, 30px); line-height: 1.6; }
  .slide-sub { font-size: 11px; letter-spacing: 0.1em; }
  .slide-arrow { display: none; }
  .slide-dots { bottom: 20px; }

  /* Contents */
  .section-contents { padding: 48px 0; }
  .content-card { flex-direction: column; }
  .card-image {
    width: 100%;
    height: 250px;
    margin-left: 0;
    border-radius: 0;
  }
  .content-card::before { width: 100%; height: 4px; bottom: auto; border-radius: 0; }
  .card-action { padding: 0 20px 20px; width: 100%; }
  .card-body { padding: 16px 20px 8px; width: 100%; }
  .card-title { font-size: 18px; }

  /* Interview */
  .section-interview { padding: 48px 0; }
  .interview-grid { grid-template-columns: 1fr; gap: 16px; }
  .interview-img { height: 150px; }

  /* News */
  .section-news { padding: 48px 0; }
  .news-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .news-date { min-width: 80px; font-size: 11px; }
  .news-title { font-size: 18px; }
  .news-item { gap: 10px; }

  /* Group */
  .section-group { padding: 48px 0; }
  .group-box-top { padding: 28px 24px; }
  .group-features { grid-template-columns: 1fr; }
  .group-feature {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .group-feature:last-child { border-bottom: none; }
  .feature-num { font-size: 28px; margin-bottom: 0; flex-shrink: 0; }
  .feature-desc { display: none; }

  /* CTA */
  .section-cta { padding: 40px 0; }
  .cta-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
    gap: 24px;
  }
  .cta-buttons { width: 100%; }
  .btn-accent, .btn-outline-main { flex: 1; justify-content: center; padding: 14px 16px; font-size: 18px; }

  /* Footer */
  .footer-top { padding: 32px 20px; flex-direction: column; gap: 24px; }
  .footer-links { gap: 8px 20px; }
  .footer-tagline { font-size: 12px; letter-spacing: 0.08em; }
  .footer-logo-img { height: 36px; }
}

/* ══════════════════════════════════════════════════════
   RESPONSIVE — SMALL MOBILE (max 480px)
══════════════════════════════════════════════════════ */
@media (max-width: 480px) {

  .slide-title { font-size: 22px; }
  .card-image { height: 230px; }
  .cta-buttons { flex-direction: column; }
  .btn-accent, .btn-outline-main { width: 100%; }
  .footer-links a {font-size: 14px;}
}

/* ══════════════════════════════════════════════════════
   MOBILE ACCORDION NAV
══════════════════════════════════════════════════════ */
.mobile-accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  font-size: 14px;
  font-weight: 500;
  color: #1C2A3A;
  cursor: pointer;
  border-bottom: 1px solid #D6E2EC;
  user-select: none;
}
.mobile-arrow {
  font-size: 12px;
  transition: transform 0.3s ease;
  display: inline-block;
}
.mobile-accordion.open > .mobile-accordion-trigger .mobile-arrow {
  transform: rotate(180deg);
}
.mobile-accordion-body {
  display: none;
  background: #F4F8FB;
  border-radius: 0 0 4px 4px;
  overflow: hidden;
}
.mobile-accordion.open > .mobile-accordion-body {
  display: block;
}
.mobile-sub-item {
  display: block;
  padding: 12px 16px;
  font-size: 13px;
  color: #1C2A3A;
  text-decoration: none;
  border-bottom: 1px solid #D6E2EC;
}
.mobile-sub-item:hover {
  color: #0A4D8C;
  background: #E8F4FB;
}
.mobile-subsub-item {
  display: block;
  padding: 12px 16px;
  font-size: 13px;
  color: #1C2A3A;
  text-decoration: none;
  border-bottom: 1px solid #D6E2EC;
  background: #EEF5FB;
}
.mobile-accordion-inner > .mobile-accordion-trigger {
  padding: 12px 16px;
  border-bottom: 1px solid #D6E2EC;
  font-size: 14px;
}
.mobile-nav a.mobile-subsubsub-item {
  padding: 14px 0 14px 30px;
}