:root {
  --blue-900: #0b2447;
  --blue-800: #123a6f;
  --blue-700: #1558b0;
  --blue-600: #1d6fd3;
  --slate-900: #172033;
  --slate-700: #3b485c;
  --slate-600: #5d6a7f;
  --slate-100: #eef3f8;
  --slate-50: #f7f9fc;
  --white: #ffffff;
  --line: #d9e2ee;
  --shadow: 0 18px 45px rgba(11, 36, 71, 0.09);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--slate-900);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", "Segoe UI", sans-serif;
  line-height: 1.75;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--blue-700);
}

p,
dl,
ol,
ul {
  margin: 0;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.25;
  letter-spacing: 0;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: grid;
  gap: 2px;
  min-width: 220px;
}

.brand-name {
  color: var(--blue-900);
  font-size: 20px;
  font-weight: 700;
}

.brand-subtitle {
  color: var(--slate-600);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.site-nav,
.footer-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--slate-700);
  font-size: 14px;
  font-weight: 600;
}

.hero {
  padding: 92px 0 80px;
  background:
    linear-gradient(135deg, rgba(238, 243, 248, 0.88), rgba(255, 255, 255, 0.72)),
    linear-gradient(90deg, rgba(21, 88, 176, 0.08), rgba(21, 88, 176, 0));
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 56px;
  align-items: center;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  color: var(--blue-700);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  margin-top: 14px;
  color: var(--blue-900);
  font-size: clamp(42px, 6vw, 70px);
  font-weight: 800;
}

.lead {
  margin-top: 22px;
  color: var(--slate-900);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  line-height: 1.5;
}

.hero-text {
  margin-top: 20px;
  color: var(--slate-700);
  font-size: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid var(--blue-700);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
}

.button-primary {
  color: var(--white);
  background: var(--blue-700);
}

.button-primary:hover {
  color: var(--white);
  background: var(--blue-800);
}

.button-secondary {
  color: var(--blue-800);
  background: var(--white);
}

.hero-panel,
.profile-card,
.business-card,
.product-card,
.contact-card,
.document-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 30px;
}

.panel-label {
  padding-bottom: 16px;
  color: var(--slate-600);
  font-size: 13px;
  font-weight: 700;
  border-bottom: 1px solid var(--line);
}

.summary-list {
  display: grid;
  gap: 0;
  padding: 0;
  list-style: none;
}

.summary-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.summary-list li:last-child {
  border-bottom: 0;
}

.summary-list span,
.flow-list span,
.card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--white);
  background: var(--blue-700);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 800;
}

.summary-list strong {
  color: var(--slate-900);
  font-size: 16px;
}

.section {
  padding: 82px 0;
}

.section-muted {
  background: var(--slate-50);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.section-heading-wide {
  max-width: 860px;
}

.section-heading h2,
.policy-section h2 {
  margin-top: 8px;
  color: var(--blue-900);
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 800;
}

.section-heading p:not(.eyebrow),
.policy-section p,
.page-hero p,
.flow-note {
  margin-top: 16px;
  color: var(--slate-700);
}

.profile-card {
  padding: 8px 28px;
}

.profile-list,
.contact-list,
.legal-list {
  display: grid;
  margin: 0;
}

.profile-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 28px;
}

.profile-list div,
.contact-list div,
.legal-list div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.profile-list div:nth-last-child(-n + 2),
.contact-list div:last-child,
.legal-list div:last-child {
  border-bottom: 0;
}

.profile-wide {
  grid-column: 1 / -1;
}

dt {
  color: var(--slate-600);
  font-size: 14px;
  font-weight: 700;
}

dd {
  margin: 0;
  color: var(--slate-900);
  font-weight: 600;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.business-card {
  padding: 28px;
}

.business-card h3 {
  margin-top: 20px;
  color: var(--slate-900);
  font-size: 21px;
}

.business-card p {
  margin-top: 14px;
  color: var(--slate-700);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: 48px;
  align-items: start;
}

.product-card {
  padding: 30px;
}

.check-list {
  display: grid;
  gap: 14px;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--slate-900);
  font-weight: 700;
}

.check-list li::before {
  position: absolute;
  top: 10px;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--blue-700);
  border-radius: 50%;
  content: "";
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  list-style: none;
}

.flow-list li {
  min-height: 150px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.flow-list p {
  margin-top: 18px;
  color: var(--slate-900);
  font-weight: 700;
  line-height: 1.55;
}

.flow-note {
  max-width: 900px;
  padding: 22px 24px;
  background: var(--white);
  border-left: 4px solid var(--blue-700);
  border-radius: var(--radius);
}

.contact-section {
  padding-top: 0;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: 40px;
  padding: 38px;
  background: linear-gradient(135deg, #ffffff, #f8fbff);
}

.contact-list div {
  grid-template-columns: 110px 1fr;
}

.site-footer {
  color: rgba(255, 255, 255, 0.78);
  background: var(--blue-900);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) 1fr;
  gap: 36px;
  padding: 42px 0 28px;
}

.footer-brand {
  color: var(--white);
  font-size: 20px;
  font-weight: 800;
}

.footer-subtitle {
  margin-top: 3px;
  font-size: 13px;
}

.footer-nav {
  justify-content: flex-end;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.78);
}

.footer-nav a:hover {
  color: var(--white);
}

.copyright {
  padding: 18px 0 28px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.subpage {
  background: var(--slate-50);
}

.page-hero {
  padding: 72px 0 50px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  font-size: clamp(38px, 5vw, 56px);
}

.document-card {
  max-width: 920px;
  padding: 34px;
}

.policy-section {
  padding: 0 0 26px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.policy-section:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.policy-section h2 {
  font-size: 24px;
}

.legal-list div {
  grid-template-columns: 220px 1fr;
}

@media (max-width: 920px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    padding: 18px 0;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 10px 18px;
  }

  .hero-grid,
  .split-layout,
  .contact-card,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

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

  .flow-list li {
    min-height: auto;
  }

  .footer-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .hero,
  .section {
    padding: 56px 0;
  }

  .contact-section {
    padding-top: 0;
  }

  .profile-list,
  .profile-list div,
  .contact-list div,
  .legal-list div {
    grid-template-columns: 1fr;
  }

  .profile-list div:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .profile-list div:last-child {
    border-bottom: 0;
  }

  .hero-panel,
  .profile-card,
  .business-card,
  .product-card,
  .contact-card,
  .document-card {
    padding: 24px;
  }

  .site-nav,
  .footer-nav {
    font-size: 13px;
  }

  .button {
    width: 100%;
  }
}