:root {
  --navy: #10233f;
  --navy-2: #183a63;
  --ink: #1d2430;
  --muted: #667085;
  --line: #d9e0e8;
  --soft: #f5f7fa;
  --white: #ffffff;
  --accent: #6d879f;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  line-height: 1.8;
}

img {
  display: block;
  max-width: 100%;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 48px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
}

.brand-text {
  display: inline-block;
  padding: 2px 0;
  color: var(--navy);
  font-size: 17px;
  letter-spacing: 0.02em;
}

.global-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #334155;
  font-size: 14px;
}

.global-nav a {
  padding: 7px 0;
}

.global-nav a:hover,
.global-nav a[aria-current="page"] {
  color: var(--navy);
}

.nav-cta {
  padding: 8px 14px !important;
  color: var(--white) !important;
  background: var(--navy);
  border-radius: 6px;
}

.nav-toggle {
  display: none;
  padding: 8px 11px;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  align-items: stretch;
  max-width: 1280px;
  min-height: 680px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 72px) clamp(20px, 5vw, 64px);
  gap: clamp(28px, 4vw, 56px);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  margin: 0;
  color: var(--navy);
  line-height: 1.35;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 760;
}

h2 {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 720;
}

h3 {
  font-size: 18px;
}

p {
  margin: 16px 0 0;
}

.lead {
  max-width: 650px;
  color: #445064;
  font-size: clamp(17px, 1.7vw, 20px);
}

.hero-actions {
  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;
  font-weight: 700;
  line-height: 1.3;
}

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

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

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

.hero-media {
  min-height: 440px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--soft);
  box-shadow: 0 24px 70px rgba(16, 35, 63, 0.13);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(64px, 8vw, 104px) clamp(20px, 4vw, 32px);
}

.intro-section {
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.wide-text {
  max-width: 860px;
  color: #48566b;
  font-size: 18px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: start;
}

.service-grid,
.item-grid,
.reason-list {
  display: grid;
  gap: 16px;
}

.service-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.service-card,
.item-grid > div,
.reason-list article,
.timeline article,
.contact-side {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.service-card p,
.item-grid p,
.reason-list p,
.timeline p {
  color: #526074;
}

.reason-section,
.page-hero {
  background: var(--soft);
}

.reason-section {
  max-width: none;
}

.reason-section > * {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.reason-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.reason-list span,
.timeline span {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent);
  font-weight: 800;
  font-size: 13px;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  max-width: none;
  padding-left: max(20px, calc((100vw - var(--max)) / 2 + 32px));
  padding-right: max(20px, calc((100vw - var(--max)) / 2 + 32px));
  color: var(--white);
  background: var(--navy);
}

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

.page-hero {
  padding: clamp(64px, 8vw, 100px) clamp(20px, 4vw, 32px);
}

.page-hero > * {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.page-hero h1,
.page-hero p {
  max-width: 820px;
}

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

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 15px 18px;
  border-left: 3px solid var(--navy-2);
  background: var(--soft);
}

.check-list.compact li {
  padding: 12px 14px;
  font-size: 14px;
}

.check-list.muted li {
  border-left-color: #98a2b3;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline article {
  display: grid;
  grid-template-columns: 58px minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 22px;
  align-items: start;
}

.timeline h2 {
  font-size: 21px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

details {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

summary {
  cursor: pointer;
  color: var(--navy);
  font-weight: 700;
}

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

.company-table div {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.company-table dt {
  color: var(--muted);
  font-weight: 700;
}

.company-table dd {
  margin: 0;
}

.table-note {
  display: inline-block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.company-table a,
.policy a,
.mail-link {
  color: var(--navy-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

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

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--navy);
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

input:focus,
textarea:focus {
  border-color: var(--navy-2);
  outline: 3px solid rgba(24, 58, 99, 0.12);
}

.form-note {
  margin-top: 0;
  color: var(--muted);
  font-size: 14px;
}

.contact-small {
  color: var(--muted);
  font-size: 14px;
}

.policy {
  max-width: 860px;
}

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

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

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(20px, 4vw, 48px);
  color: #d8e0eb;
  background: #0c1b30;
}

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

.site-footer p {
  margin-top: 6px;
  font-size: 14px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: flex-start;
  font-size: 14px;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .global-nav {
    position: absolute;
    top: 70px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 18px 40px rgba(16, 35, 63, 0.14);
  }

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

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

  .hero {
    min-height: 0;
  }

  .hero-media {
    min-height: 340px;
  }

  .reason-list,
  .item-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .timeline article {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .timeline p {
    grid-column: 2;
    margin-top: 0;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 14px 18px;
  }

  .brand {
    font-size: 14px;
  }

  .hero {
    padding-top: 34px;
  }

  h1 {
    font-size: 34px;
  }

  .hero-actions,
  .cta-band,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-media {
    min-height: 250px;
  }

  .service-grid,
  .reason-list,
  .item-grid {
    grid-template-columns: 1fr;
  }

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