:root {
  --bg: #f7f7f5;
  --surface: #fcfcfa;
  --surface-alt: #f0f0ec;
  --text: #222222;
  --muted: #555555;
  --line: #e3e3de;
  --accent: #c81d25;
  --accent-dark: #9f1820;
  --ink: #30343a;
  --container: 1120px;
  --radius: 24px;
  --shadow: 0 20px 40px rgba(34, 34, 34, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Yu Gothic UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
}

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

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

.site-shell {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.site-shell::before,
.site-shell::after {
  content: "";
  position: fixed;
  inset: auto auto 8% -10%;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(200, 29, 37, 0.09);
  border-radius: 50%;
  pointer-events: none;
}

.site-shell::after {
  inset: 12% -8% auto auto;
  width: 320px;
  height: 320px;
  border-color: rgba(48, 52, 58, 0.08);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 247, 245, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(227, 227, 222, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(48, 52, 58, 0.14);
  position: relative;
  background:
    linear-gradient(rgba(48, 52, 58, 0.14), rgba(48, 52, 58, 0.14)) center/1px 72% no-repeat,
    linear-gradient(90deg, rgba(48, 52, 58, 0.14), rgba(48, 52, 58, 0.14)) center/72% 1px no-repeat,
    radial-gradient(circle at 50% 18%, var(--accent) 0 4px, transparent 5px);
}

.brand-text small {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.brand-text strong {
  display: block;
  font-size: 17px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  padding: 10px 14px;
  color: var(--muted);
  font-size: 14px;
  border-radius: 999px;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(48, 52, 58, 0.06);
}

.site-nav .nav-cta {
  background: var(--accent);
  color: #fff;
}

.site-nav .nav-cta:hover {
  background: var(--accent-dark);
  color: #fff;
}

main {
  display: block;
}

section,
.hero {
  position: relative;
}

.hero {
  padding: 88px 0 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  background: rgba(48, 52, 58, 0.24);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  margin-top: 22px;
  font-size: clamp(42px, 7vw, 76px);
  max-width: 10em;
}

.lead {
  margin: 24px 0 0;
  font-size: 18px;
  color: var(--muted);
  max-width: 36em;
}

.hero-actions,
.cta-actions,
.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(200, 29, 37, 0.18);
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: rgba(48, 52, 58, 0.16);
}

.btn-secondary:hover {
  background: rgba(48, 52, 58, 0.05);
}

.hero-visual,
.feature-visual {
  background:
    radial-gradient(circle at 15% 20%, rgba(200, 29, 37, 0.12) 0 8%, transparent 9%),
    radial-gradient(circle at 78% 26%, rgba(48, 52, 58, 0.08) 0 10%, transparent 11%),
    linear-gradient(rgba(48, 52, 58, 0.08), rgba(48, 52, 58, 0.08)) center/1px 72% no-repeat,
    linear-gradient(90deg, rgba(48, 52, 58, 0.08), rgba(48, 52, 58, 0.08)) center/72% 1px no-repeat,
    radial-gradient(circle, transparent 48%, rgba(48, 52, 58, 0.08) 49%, rgba(48, 52, 58, 0.08) 50%, transparent 51%),
    linear-gradient(135deg, rgba(252, 252, 250, 0.88), rgba(240, 240, 236, 0.92));
  border: 1px solid rgba(48, 52, 58, 0.08);
  border-radius: 36px;
  min-height: 460px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero-visual::after,
.feature-visual::after {
  content: "N";
  position: absolute;
  top: 28px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.hero-visual-copy,
.feature-visual-copy {
  position: absolute;
  bottom: 34px;
  left: 34px;
  right: 34px;
  padding: 24px;
  border-radius: 24px;
  background: rgba(252, 252, 250, 0.82);
  border: 1px solid rgba(48, 52, 58, 0.08);
}

.hero-visual-copy strong,
.feature-visual-copy strong {
  display: block;
  font-size: 22px;
  line-height: 1.35;
}

.hero-visual-copy span,
.feature-visual-copy span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 72px 0;
}

.section-tight {
  padding: 56px 0;
}

.section-alt {
  background: rgba(240, 240, 236, 0.55);
}

.section-header {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-header h2 {
  font-size: clamp(30px, 5vw, 48px);
}

.section-header p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.narrow {
  max-width: 760px;
}

.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.card,
.step,
.value-card,
.company-table,
.message-card {
  background: var(--surface);
  border: 1px solid rgba(48, 52, 58, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card {
  padding: 28px;
}

.card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin-bottom: 18px;
  border: 1px solid rgba(48, 52, 58, 0.12);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

.card h3,
.step h3,
.value-card h3 {
  font-size: 24px;
}

.card p,
.step p,
.value-card p,
.message-card p {
  margin: 14px 0 0;
  color: var(--muted);
}

.reason-grid,
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.value-card {
  padding: 28px;
}

.feature-panel,
.message-layout,
.about-layout,
.overview-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  align-items: start;
}

.feature-panel {
  padding: 36px;
  background: linear-gradient(135deg, rgba(240, 240, 236, 0.9), rgba(252, 252, 250, 0.98));
  border: 1px solid rgba(48, 52, 58, 0.08);
  border-radius: 32px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.step {
  padding: 24px;
}

.step-number {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
}

.message-card {
  padding: 34px;
}

.message-sign {
  margin-top: 28px;
  color: var(--muted);
}

.company-table {
  padding: 18px 24px;
}

.company-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(48, 52, 58, 0.08);
}

.company-row:last-child {
  border-bottom: 0;
}

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

.company-row dd {
  margin: 0;
}

.access-card {
  padding: 28px;
  min-height: 100%;
}

.access-map {
  min-height: 260px;
  border-radius: 24px;
  border: 1px solid rgba(48, 52, 58, 0.08);
  background:
    linear-gradient(rgba(48, 52, 58, 0.06), rgba(48, 52, 58, 0.06)) center/1px 100% no-repeat,
    linear-gradient(90deg, rgba(48, 52, 58, 0.06), rgba(48, 52, 58, 0.06)) center/100% 1px no-repeat,
    linear-gradient(135deg, rgba(252, 252, 250, 0.86), rgba(240, 240, 236, 0.95));
}

.cta-band {
  padding: 40px;
  border-radius: 32px;
  background: linear-gradient(135deg, #2e3238, #3d4147);
  color: #fff;
}

.cta-band h2 {
  font-size: clamp(28px, 5vw, 42px);
}

.cta-band p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.78);
  max-width: 40em;
}

.site-footer {
  padding: 24px 0 48px;
}

.footer-inner {
  padding-top: 28px;
  border-top: 1px solid rgba(48, 52, 58, 0.08);
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-end;
  justify-content: space-between;
}

.footer-meta {
  color: var(--muted);
  font-size: 14px;
}

.footer-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
}

.page-hero {
  padding: 76px 0 32px;
}

.page-hero-box {
  padding: 42px;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(252, 252, 250, 0.92), rgba(240, 240, 236, 0.96));
  border: 1px solid rgba(48, 52, 58, 0.08);
  box-shadow: var(--shadow);
}

.page-hero-box h1 {
  font-size: clamp(36px, 6vw, 60px);
}

.page-hero-box p {
  margin: 18px 0 0;
  max-width: 36em;
  color: var(--muted);
  font-size: 17px;
}

.page-title-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
}

.info-note {
  font-size: 14px;
  color: var(--muted);
}

@media (max-width: 960px) {
  .hero-grid,
  .feature-panel,
  .message-layout,
  .about-layout,
  .overview-layout,
  .page-title-grid {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .reason-grid,
  .values-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual,
  .feature-visual {
    min-height: 340px;
  }

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

@media (max-width: 720px) {
  .container {
    width: min(var(--container), calc(100% - 28px));
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .site-nav a {
    padding: 8px 12px;
  }

  .hero {
    padding-top: 56px;
  }

  .lead,
  .section-header p,
  .page-hero-box p {
    font-size: 16px;
  }

  .cta-band,
  .feature-panel,
  .page-hero-box,
  .message-card,
  .card,
  .value-card,
  .step,
  .access-card {
    padding: 24px;
  }

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

  .btn {
    width: 100%;
  }
}