:root {
  --navy: #075f9b;
  --blue: #1596d2;
  --light-blue: #e9f7fd;
  --ink: #263746;
  --muted: #60707d;
  --line: #dbe3e8;
  --white: #fff;
  --bg: #f3f9fc;
  --max: 1160px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.8;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.header-inner {
  max-width: var(--max);
  margin: auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo.logo-image {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  line-height: 1;
}
.logo.logo-image img {
  width: clamp(360px, 40vw, 660px);
  height: auto;
  max-height: 110px;
  object-fit: contain;
  object-position: left center;
}
.global-nav {
  display: flex;
  gap: 26px;
  font-size: 14px;
  white-space: nowrap;
}
.global-nav a {
  position: relative;
  padding: 8px 0;
}
.global-nav a[aria-current="page"] {
  color: var(--blue);
  font-weight: 700;
}
.global-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--blue);
}
.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 9px;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.menu-button span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--navy);
  transition: 0.25s;
}
.page-hero {
  min-height: 460px;
  position: relative;
  display: grid;
  align-items: end;
  color: #fff;
  background-color: #075f9b;
  background-size: cover;
  background-position: center;
}
.page-hero:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(5, 71, 116, 0.9),
    rgba(7, 95, 155, 0.58) 52%,
    rgba(21, 150, 210, 0.12)
  );
}
.page-hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  width: 100%;
  margin: auto;
  padding: 92px 24px 72px;
}
.eyebrow,
.section-label {
  font-family:
    "コーポレート・ロゴ ver3 Medium", "Corporate Logo Medium  ver3",
    "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-weight: 400;
  letter-spacing: 0.19em;
}
.eyebrow {
  margin: 0 0 10px;
  color: #d8f4ff;
  font-size: 13px;
}
.page-hero h1 {
  margin: 0;
  font-size: clamp(40px, 6vw, 70px);
  line-height: 1.15;
}
.page-hero .lead {
  max-width: 760px;
  margin: 22px 0 0;
  font-size: clamp(16px, 2vw, 20px);
}
.local-nav {
  background: var(--navy);
  color: #fff;
}
.local-nav-inner {
  max-width: var(--max);
  margin: auto;
  padding: 0 24px;
  display: flex;
  overflow-x: auto;
}
.local-nav a {
  flex: 0 0 auto;
  padding: 16px 22px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 14px;
}
.section {
  padding: 90px 24px;
}
.section.alt {
  background: var(--bg);
}
.section-inner {
  max-width: var(--max);
  margin: auto;
}
.section-head {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) 1.5fr;
  gap: 68px;
  margin-bottom: 44px;
}
.section-label {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 13px;
}
h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(29px, 4vw, 44px);
  line-height: 1.35;
}
h3 {
  color: var(--navy);
}
.site-footer {
  padding: 46px 24px;
  background: #064f82;
  color: rgba(255, 255, 255, 0.78);
}
.footer-inner {
  max-width: var(--max);
  margin: auto;
  display: flex;
  justify-content: space-between;
  gap: 30px;
}
.footer-inner strong {
  color: #fff;
}
.footer-inner p {
  margin: 4px 0 0;
}
@media (max-width: 1080px) and (min-width: 821px) {
  .global-nav {
    gap: 12px;
    font-size: 12px;
  }
  .logo.logo-image img {
    width: clamp(300px, 29vw, 405px);
  }
}
@media (max-width: 820px) {
  .header-inner {
    padding: 13px 18px;
  }
  .logo.logo-image img {
    width: min(275px, 72vw);
    max-height: 48px;
  }
  .menu-button {
    display: block;
    position: relative;
    z-index: 52;
  }
  .global-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    padding: 10px 22px 22px;
    background: rgba(255, 255, 255, 0.99);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
    font-size: 14px;
    white-space: normal;
  }
  .nav-open .global-nav {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .global-nav a {
    padding: 12px 4px;
    border-bottom: 1px solid var(--line);
  }
  .global-nav a[aria-current="page"]::after {
    display: none;
  }
  .nav-open .menu-button span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .nav-open .menu-button span:nth-child(2) {
    opacity: 0;
  }
  .nav-open .menu-button span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  .page-hero {
    min-height: 390px;
  }
  .page-hero-inner {
    padding: 78px 20px 58px;
  }
  .section {
    padding: 66px 20px;
  }
  .section-head {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .footer-inner {
    display: block;
  }
}