:root {
  --ink: #172033;
  --muted: #667085;
  --paper: #ffffff;
  --soft: #f5f7fb;
  --line: #d8e0ea;
  --blue: #0f63d6;
  --cyan: #11b9cf;
  --orange: #f28a2e;
  --green: #08bf5b;
  --dark: #111827;
  --shadow: 0 18px 44px rgba(17, 24, 39, 0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
  background: #fff;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(216,224,234,.9);
  backdrop-filter: blur(14px);
}
.nav {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0;
  font-weight: 1000;
  letter-spacing: .04em;
  line-height: 1.05;
}
.brand span { color: var(--blue); font-size: 13px; letter-spacing: .14em; }
.brand strong { font-size: 25px; }
.nav-links { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 14px; font-weight: 800; }
.nav-links a:hover { color: var(--blue); }
.header-actions { display: flex; gap: 10px; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 20px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-weight: 900;
  line-height: 1.3;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(17,24,39,.12); }
.btn-primary { border-color: transparent; background: linear-gradient(135deg, var(--blue), var(--cyan)); color: #fff; }
.btn-line { border-color: transparent; background: var(--green); color: #fff; }
.btn-orange { border-color: transparent; background: var(--orange); color: #fff; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: stretch;
  background: #eef4fb;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.86) 40%, rgba(255,255,255,.24) 70%, rgba(255,255,255,.05) 100%);
}
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-inner { position: relative; z-index: 2; display: grid; align-items: center; min-height: calc(100vh - 76px); padding: 64px 0; }
.hero-content { max-width: 660px; }
.eyebrow { margin: 0 0 16px; color: var(--orange); font-weight: 1000; letter-spacing: .14em; font-size: 13px; }
h1 { margin: 0; font-size: clamp(42px, 7vw, 86px); line-height: 1.04; letter-spacing: 0; }
.lead { margin: 22px 0 0; max-width: 600px; color: #435061; font-size: 18px; font-weight: 700; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px; margin-top: 32px; max-width: 620px; }
.stat { padding: 14px 16px; border: 1px solid rgba(216,224,234,.9); border-radius: 8px; background: rgba(255,255,255,.84); }
.stat b { display: block; color: var(--blue); font-size: 22px; line-height: 1.1; }
.stat span { color: var(--muted); font-size: 12px; font-weight: 800; }

.quick-nav { background: var(--dark); color: #fff; }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.quick-grid a { min-height: 96px; padding: 22px; border-right: 1px solid rgba(255,255,255,.12); font-weight: 900; }
.quick-grid small { display: block; color: var(--cyan); letter-spacing: .12em; }
.quick-grid span { display: block; margin-top: 4px; font-size: 20px; }

section { padding: 84px 0; }
.section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 34px; }
.section-kicker { margin: 0 0 8px; color: var(--blue); font-weight: 1000; letter-spacing: .12em; font-size: 13px; }
.section-head h2, .page-hero h1 { margin: 0; font-size: clamp(30px, 4.5vw, 54px); line-height: 1.16; }
.section-lead { max-width: 520px; margin: 0; color: var(--muted); font-weight: 700; }

.service-grid, .car-grid, .voice-grid { display: grid; gap: 18px; }
.service-grid { grid-template-columns: repeat(4, 1fr); }
.card, .car-card, .voice-card, .info-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 12px 28px rgba(17,24,39,.07);
}
.card { padding: 24px; }
.card strong, .car-meta, .voice-card strong { color: var(--orange); font-size: 13px; font-weight: 1000; letter-spacing: .1em; }
.card h3 { margin: 10px 0 8px; font-size: 22px; line-height: 1.35; }
.card p, .voice-card p, .car-card p, .info-card p { margin: 0; color: var(--muted); font-weight: 700; }

.inventory { background: var(--soft); }
.inventory-feature { display: grid; grid-template-columns: 1.05fr .95fr; gap: 24px; align-items: center; margin-bottom: 24px; }
.feature-photo { overflow: hidden; border-radius: 8px; box-shadow: var(--shadow); }
.feature-panel { padding: 34px; border-radius: 8px; background: #fff; border: 1px solid var(--line); }
.feature-panel h3 { margin: 0 0 12px; font-size: clamp(26px, 3.4vw, 42px); line-height: 1.2; }
.car-grid { grid-template-columns: repeat(3, 1fr); }
.car-card { overflow: hidden; }
.car-card img { width: 100%; height: 190px; object-fit: cover; }
.car-body { padding: 20px; }
.car-body h3 { margin: 6px 0; font-size: 22px; }
.price { display: inline-flex; margin-top: 14px; color: var(--blue); font-size: 22px; font-weight: 1000; }

.flow { background: #fff; }
.flow-list { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.flow-item { min-height: 220px; padding: 24px; border-right: 1px solid var(--line); background: linear-gradient(180deg,#fff,#f8fbff); }
.flow-item:last-child { border-right: 0; }
.flow-item span { color: var(--blue); font-weight: 1000; }
.flow-item h3 { margin: 10px 0 8px; font-size: 24px; }
.flow-item p { margin: 0; color: var(--muted); font-weight: 700; }

.voice-grid { grid-template-columns: 1fr 1fr; }
.voice-card { padding: 28px; }
.voice-card h3 { margin: 8px 0 10px; font-size: 24px; }
.consult { background: var(--dark); color: #fff; }
.consult-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; align-items: center; }
.consult img { border-radius: 8px; box-shadow: var(--shadow); }
.consult .section-kicker { color: var(--cyan); }
.consult h2 { margin: 0; font-size: clamp(30px,4.8vw,58px); line-height: 1.15; }
.consult p { color: rgba(255,255,255,.78); font-weight: 700; }

.page-hero { padding: 78px 0 54px; background: linear-gradient(135deg,#f5f9ff,#fff); border-bottom: 1px solid var(--line); }
.page-layout { display: grid; grid-template-columns: 1fr 320px; gap: 30px; align-items: start; }
.form-card, .content-card { padding: 30px; border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 14px 30px rgba(17,24,39,.08); }
.form-grid { display: grid; gap: 16px; }
label { display: grid; gap: 6px; font-weight: 900; }
input, textarea, select { width: 100%; border: 1px solid var(--line); border-radius: 6px; padding: 13px 14px; font: inherit; background: #fff; }
textarea { min-height: 150px; resize: vertical; }
.info-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.info-row { display: grid; grid-template-columns: 160px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.info-row dt { font-weight: 1000; }
.info-row dd { margin: 0; color: var(--muted); font-weight: 700; }
.sidebar { display: grid; gap: 16px; }
.info-card { padding: 22px; }
.info-card h3 { margin: 0 0 8px; }
.policy-section { margin-top: 30px; }
.policy-section h2 { margin: 0 0 10px; font-size: 24px; }
.policy-section p, .policy-section li { color: var(--muted); font-weight: 700; }

.footer { padding: 44px 0 28px; background: #0e1625; color: #fff; }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; align-items: start; }
.footer nav { display: flex; flex-wrap: wrap; gap: 16px; color: rgba(255,255,255,.78); font-weight: 800; }
.copyright { margin: 24px 0 0; color: rgba(255,255,255,.55); font-size: 13px; }

@media (max-width: 940px) {
  .nav-links { display: none; }
  .header-actions .btn:not(.btn-primary) { display: none; }
  .hero, .hero-inner { min-height: auto; }
  .hero-inner { padding: 72px 0; }
  .hero::before { background: linear-gradient(90deg, rgba(255,255,255,.96), rgba(255,255,255,.7)); }
  .quick-grid, .service-grid, .car-grid, .flow-list, .voice-grid, .inventory-feature, .consult-grid, .page-layout { grid-template-columns: 1fr; }
  .quick-grid a { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .section-head { display: block; }
  .section-lead { margin-top: 12px; }
  .flow-item { border-right: 0; border-bottom: 1px solid var(--line); min-height: auto; }
  .flow-item:last-child { border-bottom: 0; }
  .hero-stats { grid-template-columns: 1fr; }
  .footer-grid { display: grid; }
}