:root {
  --line: #06c755;
  --line-dark: #05a948;
  --ink: #102033;
  --muted: #5d6b7a;
  --border: #dce4ea;
  --soft: #f4f8f6;
  --navy: #10283f;
  --orange: #f47a1f;
  --teal: #16877d;
  --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto auto;
  gap: 24px;
  align-items: center;
  min-height: 78px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
}
.brand { display: grid; }
.brand-domain { font-size: clamp(19px, 2vw, 28px); font-weight: 900; }
.brand-sub, .email-link, .header-contact span { color: var(--muted); font-size: 13px; font-weight: 700; }
.desktop-nav { display: flex; gap: 28px; font-size: 15px; font-weight: 800; white-space: nowrap; }
.desktop-nav a:hover { color: var(--line-dark); }
.header-contact { display: grid; justify-items: end; line-height: 1.35; }
.phone-link { font-size: 24px; font-weight: 900; }
.email-link { color: var(--ink); }

.line-button, .outline-button, .text-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 8px;
  font-weight: 900;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.line-button { background: var(--line); color: var(--white); box-shadow: 0 10px 24px rgba(6, 199, 85, 0.25); }
.line-button:hover { background: var(--line-dark); transform: translateY(-1px); }
.line-button.small { min-height: 44px; padding: 0 18px; white-space: nowrap; }
.line-button.large { min-height: 74px; padding: 0 clamp(28px, 5vw, 70px); font-size: clamp(20px, 2.4vw, 34px); }
.outline-button { border: 2px solid var(--line); color: var(--line-dark); background: var(--white); }
.outline-button.light { border-color: rgba(255, 255, 255, 0.78); color: var(--white); background: rgba(16, 32, 51, 0.42); }
.text-link { color: var(--ink); font-weight: 800; word-break: break-all; }

.hero {
  display: grid;
  align-items: center;
  min-height: 660px;
  padding: clamp(46px, 8vw, 96px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.9) 46%, rgba(255,255,255,.2) 100%),
    url("/images/hero-suv-photo.png") center right / cover no-repeat;
}
.hero-copy { max-width: 800px; }
.eyebrow { margin: 0 0 10px; color: var(--teal); font-size: 14px; font-weight: 900; }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin-bottom: 26px; color: var(--ink); font-size: clamp(40px, 5.2vw, 70px); font-weight: 900; line-height: 1.08; }
.hero-line { display: block; }
.hero-line.accent { color: var(--orange); }
.benefits { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }
.benefits span, .area-chips span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 16px;
  border: 1px solid rgba(16,40,63,.18);
  border-radius: 8px;
  background: rgba(255,255,255,.88);
  font-size: 15px;
  font-weight: 800;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.privacy-note { margin: 18px 0 0; font-weight: 800; }

.area-strip {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 26px;
  align-items: center;
  padding: 24px clamp(20px, 5vw, 72px);
  background: var(--navy);
  color: var(--white);
}
.strip-title { margin-bottom: 0; font-size: 24px; font-weight: 900; }
.area-strip p:not(.strip-title) { margin-bottom: 0; color: rgba(255,255,255,.78); }
.area-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.area-strip .area-chips span { min-width: 78px; border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.08); color: var(--white); }

.section { padding: clamp(56px, 8vw, 92px) clamp(20px, 5vw, 72px); }
.section-heading { max-width: none; margin-bottom: 28px; }
.section h2 { font-size: clamp(30px, 4vw, 52px); font-weight: 900; line-height: 1.28; }
.single-line-heading { font-size: clamp(22px, 2vw, 34px) !important; white-space: nowrap; }
.section p, .card p, .flow-item p, .notice-card p { color: var(--muted); }
.cards { display: grid; gap: 18px; }
.cards.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card, .company-card, .notice-card, .faq-list details, .flow-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 34px rgba(16,32,51,.07);
}
.card { padding: 26px; }
.card h3 { margin-bottom: 10px; font-size: 22px; line-height: 1.35; }

.split { display: grid; grid-template-columns: minmax(0, .98fr) minmax(340px, .92fr); gap: clamp(28px, 5vw, 72px); align-items: start; background: var(--soft); }
.split .single-line-heading { font-size: clamp(21px, 1.85vw, 32px) !important; }
.flow-list { display: grid; gap: 14px; }
.flow-item { display: grid; grid-template-columns: 54px 1fr; gap: 18px; align-items: start; padding: 22px; }
.flow-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--line);
  color: var(--white);
  font-size: 20px;
  font-weight: 900;
}
.flow-item h3 { margin-bottom: 4px; font-size: 21px; font-weight: 900; }

.faq-list { display: grid; gap: 14px; max-width: 980px; }
.faq-list details { padding: 22px 26px; }
.faq-list summary { cursor: pointer; font-size: 20px; font-weight: 900; }
.faq-list p { margin: 12px 0 0; }

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  align-items: center;
  margin: clamp(20px, 4vw, 52px) clamp(20px, 5vw, 72px);
  padding: clamp(28px, 5vw, 48px);
  border-radius: 8px;
  background: linear-gradient(135deg, #e9fff2, #ffffff);
  border: 1px solid #bcefd0;
}
.contact-band .single-line-heading { font-size: clamp(20px, 1.75vw, 30px) !important; }
.contact-actions { display: grid; gap: 10px; min-width: 250px; }

.company-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 22px; }
.company-card, .notice-card { padding: 30px; }
.company-card dl { display: grid; margin: 0; }
.company-card div { display: grid; grid-template-columns: 160px 1fr; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--border); }
.company-card dt { color: var(--muted); font-weight: 800; }
.company-card dd { margin: 0; font-weight: 700; }

.footer { display: grid; grid-template-columns: 1fr auto; gap: 24px; padding: 34px clamp(20px, 5vw, 72px); background: #071827; color: rgba(255,255,255,.78); }
.footer p { margin-bottom: 4px; }
.footer-brand { color: var(--white); font-size: 18px; font-weight: 900; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; align-content: start; justify-content: end; font-weight: 800; }

@media (max-width: 1080px) {
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav, .header-contact { display: none; }
  .hero {
    background:
      linear-gradient(180deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.88) 60%, rgba(255,255,255,.7) 100%),
      url("/images/hero-suv-photo.png") center / cover no-repeat;
  }
  .area-strip, .split, .contact-band, .company-grid { grid-template-columns: 1fr; }
  .cards.three { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .brand-domain { font-size: 18px; }
  .brand-sub { font-size: 11px; }
  .line-button.small { min-height: 40px; padding: 0 12px; font-size: 12px; }
  .hero { min-height: 620px; padding-top: 38px; }
  .hero h1 { font-size: 38px; }
  .single-line-heading { white-space: normal; }
  .line-button.large, .outline-button.light { width: 100%; }
  .section { padding-inline: 18px; }
  .flow-item { grid-template-columns: 42px 1fr; padding: 18px; }
  .flow-item span { width: 38px; height: 38px; }
  .company-card div { grid-template-columns: 1fr; gap: 4px; }
  .footer { grid-template-columns: 1fr; }
  .footer-links { justify-content: start; }
}