:root {
  /* Core */
  --color-primary: #3D3A78;
  --color-accent-ui: #C94F36;

  /* Neutral */
  --color-bg: #FFFFFF;
  --color-text: #211F2E;
  --color-text-secondary: #666277;
  --color-border: #E3E1E6;

  --gradient-brand: linear-gradient(135deg, #3D3A78, #E2664A);

  --container-width: 720px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.8;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Decorative brand strip */
.brand-bar {
  height: 4px;
  background: var(--gradient-brand);
}

/* Hero */
.hero {
  padding: 96px 0 64px;
  text-align: center;
}

.logotype {
  margin: 0;
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-tagline {
  margin: 16px 0 0;
  font-size: 1.05rem;
  color: var(--color-text-secondary);
}

.hero-rule {
  width: 48px;
  height: 4px;
  margin: 32px auto 0;
  border-radius: 2px;
  background: var(--gradient-brand);
}

/* Sections */
.section {
  padding: 56px 0;
}

.section-heading {
  margin: 0 0 20px;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
}

.heading-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.heading-row .section-heading {
  margin-bottom: 0;
}

.statement {
  margin: 20px 0 0;
  font-size: 1.15rem;
  max-width: 32em;
}

.statement-sm {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* Company info */
.company-info {
  margin: 0;
  display: grid;
  gap: 16px;
}

.info-row {
  display: grid;
  grid-template-columns: 6em 1fr;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.info-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-row dt {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.info-row dd {
  margin: 0;
}

/* Contact button */
.btn {
  display: inline-block;
  margin-top: 24px;
  padding: 14px 32px;
  background: var(--color-accent-ui);
  color: #FFFFFF;
  font-weight: 700;
  text-decoration: none;
  border-radius: 8px;
}

.btn:hover,
.btn:focus-visible {
  background: #B0432D;
}

/* Footer */
.footer {
  padding: 32px 0 48px;
  text-align: center;
}

.footer p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* Responsive */
@media (max-width: 480px) {
  .hero {
    padding: 72px 0 48px;
  }

  .logotype {
    font-size: 2.25rem;
  }

  .info-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}