:root {
  --navy: #0b1f36;
  --navy-2: #123356;
  --blue: #2f6f9f;
  --ink: #17202a;
  --muted: #637083;
  --line: #d9e0e8;
  --soft: #f4f7fa;
  --white: #ffffff;
  --shadow: 0 18px 42px rgba(11, 31, 54, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
  background: var(--white);
  letter-spacing: 0;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(20px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(217, 224, 232, 0.86);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: #344255;
}

.site-nav a,
.footer-nav a,
.text-link {
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--navy);
  font-weight: 700;
}

.nav-cta {
  padding: 9px 15px;
  color: var(--white) !important;
  background: var(--navy);
  border-radius: 6px;
}

.nav-toggle {
  display: none;
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  background: var(--white);
  color: var(--navy);
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 76px));
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(11, 31, 54, 0.96) 0%, rgba(11, 31, 54, 0.78) 38%, rgba(11, 31, 54, 0.28) 72%),
    url("assets/hero-operations.png") center right / cover no-repeat;
}

.hero-inner {
  position: relative;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 88px 0 118px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow,
.cta-band .eyebrow {
  color: #9fd0f0;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(42px, 7vw, 72px);
  line-height: 1.12;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 16px;
  color: var(--navy);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.25;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.35;
}

.hero-copy {
  max-width: 680px;
  margin: 28px 0 0;
  color: #dce7f1;
  font-size: 18px;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 800;
  line-height: 1.35;
  cursor: pointer;
}

.button.primary {
  color: var(--white);
  background: var(--navy);
}

.hero .button.primary {
  background: var(--white);
  color: var(--navy);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}

.button.secondary.on-light {
  color: var(--navy);
  border-color: var(--line);
  background: var(--white);
}

.button.light {
  color: var(--navy);
  background: var(--white);
}

.section {
  padding: clamp(70px, 9vw, 112px) 0;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  width: min(840px, calc(100% - 40px));
}

.muted,
.intro-band {
  background: var(--soft);
}

.intro-grid,
.split,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}

.intro-grid p,
.split p,
.section-heading p,
.page-hero p {
  color: var(--muted);
  margin: 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.card-grid {
  display: grid;
  gap: 20px;
}

.card-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card,
.panel {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.muted .service-card,
.muted .panel {
  box-shadow: none;
}

.service-card p,
.panel p,
.list-item p,
.policy p,
.note {
  color: var(--muted);
}

.card-number {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--blue);
  font-weight: 800;
  font-size: 13px;
}

.text-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--blue);
  font-weight: 800;
}

.page-hero {
  padding: 78px 0 66px;
  background:
    linear-gradient(120deg, rgba(244, 247, 250, 0.98), rgba(244, 247, 250, 0.78)),
    url("assets/hero-operations.png") center right / cover no-repeat;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  color: var(--navy);
  font-size: clamp(38px, 6vw, 58px);
}

.page-hero p {
  max-width: 720px;
  margin-top: 18px;
  font-size: 18px;
}

.service-list {
  display: grid;
  gap: 18px;
}

.list-item {
  display: grid;
  grid-template-columns: minmax(220px, 0.6fr) minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.list-item h2 {
  margin: 0;
  font-size: 25px;
}

.check-list,
.excluded-list {
  margin: 0;
  padding-left: 20px;
}

.check-list li,
.excluded-list li {
  margin: 8px 0;
}

.excluded-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
  padding: 28px 30px 28px 48px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--navy);
  font-weight: 700;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(36px, 6vw, 58px);
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  border-radius: 8px;
}

.cta-band h2,
.cta-band p {
  color: var(--white);
  margin-bottom: 0;
}

.company-table {
  margin: 0;
  border-top: 1px solid var(--line);
}

.company-table div {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 26px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.company-table dt {
  color: var(--navy);
  font-weight: 800;
}

.company-table dd {
  margin: 0;
}

.note {
  display: inline-block;
  margin-top: 8px;
  font-size: 14px;
}

.contact-grid {
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
}

.contact-form {
  display: grid;
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--navy);
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
  color: var(--ink);
  background: var(--white);
}

.honeypot {
  display: none !important;
}

.contact-form textarea {
  resize: vertical;
}

.contact-side {
  position: sticky;
  top: 100px;
}

.policy {
  max-width: 860px;
}

.policy h2 {
  margin-top: 34px;
  font-size: 24px;
}

.policy h2:first-child {
  margin-top: 0;
}

.site-footer {
  padding: 48px clamp(20px, 4vw, 56px) 26px;
  color: #c7d3df;
  background: var(--navy);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.footer-brand {
  color: var(--white);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 22px;
}

.copyright,
.compact-footer p {
  width: min(1120px, 100%);
  margin: 30px auto 0;
  font-size: 13px;
}

.compact-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.compact-footer p {
  width: auto;
  margin: 0;
}

.compact-footer a {
  color: #c7d3df;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    inset: 76px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 8px 0;
  }

  .card-grid.three,
  .intro-grid,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .list-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .contact-side {
    position: static;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 68px;
    padding: 12px 16px;
  }

  .brand {
    font-size: 15px;
  }

  .site-nav {
    inset: 68px 12px auto 12px;
  }

  .hero {
    min-height: 680px;
  }

  .hero-media {
    background:
      linear-gradient(180deg, rgba(11, 31, 54, 0.94) 0%, rgba(11, 31, 54, 0.86) 58%, rgba(11, 31, 54, 0.58) 100%),
      url("assets/hero-operations.png") center / cover no-repeat;
  }

  .hero-inner {
    padding: 76px 0 92px;
  }

  h1 {
    font-size: 40px;
  }

  .hero-copy,
  .page-hero p {
    font-size: 16px;
  }

  .service-card,
  .panel {
    padding: 24px;
  }

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

  .cta-band,
  .footer-inner,
  .compact-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .company-table div {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}