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

body {
  font-family: 'BIZ UDPGothic', sans-serif;
  background: #fff;
  color: #101828;
  margin: 0;
  padding: 0;
}

/* ======================
   Header
   ====================== */
.site-header {
  background: #fff;
  height: 88px;
  display: flex;
  align-items: center;
  padding: 0 24px;
}

.header-inner {
  max-width: 1143px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
}

.logo-link {
  display: inline-flex;
  align-items: center;
}

.logo-img {
  width: 128px;
  height: 56px;
  object-fit: contain;
}

/* ======================
   Navigation Bar
   ====================== */
.site-nav {
  background: #4197E9;
  height: 60px;
  display: flex;
  align-items: center;
}

.nav-inner {
  max-width: 1143px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
}

.nav-link-item {
  flex: 1;
  font-size: 20px;
  color: #fff;
  text-decoration: none;
  text-align: center;
  padding: 0;
  line-height: 1;
  white-space: nowrap;
}

.nav-link-item:hover {
  color: rgba(255, 255, 255, 0.8);
}

.nav-divider {
  flex: 0 0 1px;
  height: 34px;
  background: rgba(255, 255, 255, 0.5);
}

/* ======================
   Hero Section
   ====================== */
.hero-section {
  position: relative;
  height: 400px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero.jpg');
  background-size: cover;
  background-position: top center;
}

.hero-text-wrap {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1143px;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-text-box {
  display: inline-block;
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.95);
  color: #101828;
  font-size: 32px;
  font-weight: 400;
  padding: 11px 16px;
  line-height: 1.4;
}

/* sticky 状態 */
.site-nav.is-sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}


/* ======================
   Content Sections (共通)
   ====================== */
.content-section {
  padding: 60px 0;
}

.section-container {
  max-width: 1143px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-heading-wrap {
  margin-bottom: 32px;
  text-align: center;
}

.section-heading {
  font-size: 36px;
  font-weight: 700;
  color: #3793E7;
  margin: 0 0 8px;
  line-height: 1.2;
}

.section-sub {
  font-size: 16px;
  color: #6A7282;
  margin: 0;
}

.section-text {
  font-size: 20px;
  color: #364153;
  line-height: 1.8;
  margin: 0 0 24px;
}

.section-text:last-child {
  margin-bottom: 0;
}

/* ======================
   About Section
   ====================== */
.about-section {
  background: #fff;
}


.section-body {
  max-width: 768px;
  margin: 0 auto;
}

/* ======================
   Strengths Section
   ====================== */
.strengths-section {
  background: #c6e1f1;
}


.strengths-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}

.strengths-text {
  flex: 1;
  max-width: 746px;
}

.strengths-logo {
  flex-shrink: 0;
  padding-top: 16px;
}

.aig-logo-img {
  width: 261px;
  height: 218px;
  object-fit: contain;
}

/* ======================
   Company Section
   ====================== */
.company-section {
  background: #fff;
}

.company-table-wrap {
  max-width: 1024px;
  display: flex;
  gap: 24px;
}

.company-table {
  flex: 1;
  width: 50%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  font-size: 14px;
  color: #101828;
  padding: 22px 20px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid #E5E7EB;
}

.company-table th {
  background: #F9FAFB;
  color: #364153;
  font-weight: 400;
  width: 145px;
  white-space: nowrap;
}

.company-table td {
  background: #fff;
}

.company-table tr:first-child th,
.company-table tr:first-child td {
  border-top: 1px solid #E5E7EB;
}

/* ======================
   Responsive (SP)
   ====================== */
@media (max-width: 767px) {

  /* Header */
  .site-header {
    height: 64px;
    padding: 0 16px;
  }
  .logo-img {
    width: 96px;
    height: 42px;
  }

  /* Navigation */
  .site-nav {
    height: auto;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav-inner {
    min-width: max-content;
    padding: 0 8px;
  }
  .nav-link-item {
    font-size: 14px;
    padding: 16px 12px;
    flex: none;
  }
  .nav-divider {
    height: 20px;
  }

  /* Hero */
  .hero-section {
    height: 240px;
  }
  .hero-text-wrap {
    bottom: 20px;
    padding: 0 16px;
  }
  .hero-text-box {
    font-size: 18px;
    padding: 8px 12px;
  }

  /* Sections */
  .content-section {
    padding: 40px 0;
  }
  .section-container {
    padding: 0 16px;
  }
  .section-heading {
    font-size: 24px;
  }
  .section-sub {
    font-size: 14px;
  }
  .section-text {
    font-size: 16px;
  }

  /* Strengths */
  .aig-logo-img {
    width: 180px;
    height: auto;
  }

  /* Company table */
  .company-table-wrap {
    flex-direction: column;
    gap: 0;
  }
  .company-table {
    width: 100%;
  }
  .company-table:first-child tr:last-child th,
  .company-table:first-child tr:last-child td {
    border-bottom: none;
  }
  .company-table th {
    width: 110px;
    padding: 14px 12px;
    white-space: normal;
  }
  .company-table td {
    padding: 14px 12px;
  }

  /* Footer */
  .site-footer {
    height: 100px;
  }
  .footer-logo-img {
    width: 96px;
    height: auto;
  }
}

/* ======================
   Footer
   ====================== */
.site-footer {
  background: #8FA9BA;
  height: 156px;
  display: flex;
  align-items: center;
}

.footer-inner {
  max-width: 1143px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-logo-img {
  width: 127px;
  height: 56px;
  object-fit: contain;
}