:root {
  --github-ink: #0f172a;
  --github-text: #22304a;
  --github-muted: #5b6b88;
  --github-line: #d6deeb;
  --github-surface: #f6f8fc;
  --github-surface-strong: #ffffff;
  --github-brand: #0969da;
  --github-brand-deep: #0b3a75;
  --github-accent: #2da44e;
  --github-navy: #07152b;
}

body {
  color: var(--github-text);
  background:
    radial-gradient(circle at top right, rgba(45, 164, 78, 0.16), transparent 28%),
    linear-gradient(180deg, #f9fbff 0%, #f2f6fb 100%);
  font-family: "Segoe UI", "Yu Gothic UI", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.8;
}

main {
  overflow: clip;
}

p {
  line-height: 1.8;
}

.prodnavbar {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  margin-bottom: 0;
}

.prodnavbar .container {
  min-height: 72px;
}

.prodnavbar-brand {
  background: url(../IMG/logo_github_miniR.png) left center / contain no-repeat;
  display: block;
  width: 248px;
  height: 40px;
  text-indent: -9999px;
  overflow: hidden;
}

.prodnavbar .navbar-nav.prodnav {
  gap: 0.25rem;
}

.prodnavbar .nav-link {
  color: var(--github-text);
  font-weight: 600;
  padding: 0.9rem 1rem;
  border-radius: 999px;
  writing-mode: horizontal-tb;
}

.prodnavbar .nav-link:hover,
.prodnavbar .nav-link:focus {
  color: var(--github-brand);
  background: rgba(9, 105, 218, 0.08);
}

.prodnavbar .navbar-toggler {
  border: 1px solid rgba(9, 105, 218, 0.25);
  padding: 0.5rem 0.7rem;
}

.prodnavbar .navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(9, 105, 218, 0.18);
}

.prodnavbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2834, 48, 74, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.hero-section {
  position: relative;
  padding: 6rem 0 5rem;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(7, 21, 43, 0.96), rgba(11, 58, 117, 0.88)),
    url("../IMG/background.jpeg") center / cover no-repeat;
}

.hero-section::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 140px;
  background: linear-gradient(180deg, rgba(7, 21, 43, 0), #f9fbff 90%);
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-eyebrow,
.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-eyebrow {
  margin-bottom: 1rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-title {
  font-size: clamp(2.4rem, 4vw, 4.3rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-lead {
  max-width: 42rem;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.1rem;
}

.hero-actions {
  margin: 2rem 0 2.25rem;
}

.hero-metrics {
  margin-top: 0.5rem;
}

.metric-card {
  height: 100%;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.08);
}

.metric-card strong,
.metric-card span {
  display: block;
}

.metric-card span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

.hero-visual {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(233, 240, 251, 0.96));
  border-radius: 1.75rem;
  color: var(--github-text);
}

.hero-logo {
  max-width: 180px;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.12));
}

.hero-chip {
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(45, 164, 78, 0.12);
  color: var(--github-accent);
  font-weight: 700;
}

.hero-visual-panel {
  padding: 1.5rem;
  border-radius: 1.25rem;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.06);
}

.hero-visual-panel h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
}

.feature-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-checklist li {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 0.95rem 0;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.feature-checklist li:first-child {
  border-top: 0;
  padding-top: 0;
}

.feature-checklist i {
  margin-top: 0.15rem;
  color: var(--github-brand);
}

.section-heading {
  max-width: 52rem;
  margin: 0 auto 2.5rem;
}

.section-label {
  color: var(--github-brand);
  margin-bottom: 0.65rem;
}

.section-title {
  color: var(--github-ink);
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.85rem;
}

.section-intro {
  color: var(--github-muted);
  max-width: 46rem;
}

.trust-section,
.deployment-section {
  background: transparent;
}

.trust-card,
.pillar-card,
.support-card,
.comparison-card {
  height: 100%;
  border: 1px solid var(--github-line);
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.06);
}

.trust-card {
  padding: 1.5rem;
}

.trust-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: rgba(9, 105, 218, 0.1);
  color: var(--github-brand);
  font-weight: 700;
  margin-bottom: 1rem;
}

.trust-card h3,
.pillar-card h3,
.support-card h3,
.comparison-title,
.cta-panel h2 {
  color: var(--github-ink);
  font-weight: 700;
}

.pillar-card {
  padding: 2rem;
}

.pillar-icon {
  width: 3.5rem;
  height: 3.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 1rem;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, rgba(9, 105, 218, 0.14), rgba(45, 164, 78, 0.16));
  color: var(--github-brand);
  font-size: 1.35rem;
}

.pillar-points li,
.comparison-list li {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  margin-bottom: 0.8rem;
}

.pillar-points li::before {
  content: "";
  flex: 0 0 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.55rem;
  border-radius: 50%;
  background: var(--github-accent);
}

.comparison-card {
  position: relative;
}

.comparison-subtitle {
  color: var(--github-muted);
}

.comparison-list i {
  margin-top: 0.22rem;
  color: var(--github-brand);
}

.comparison-card-featured {
  border: 2px solid rgba(9, 105, 218, 0.3);
  background: linear-gradient(180deg, #ffffff, #eef5ff);
}

.comparison-badge {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  display: inline-block;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--github-brand);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
}

.deployment-table-wrap {
  border: 1px solid var(--github-line);
  background: #fff;
}

.deployment-table thead th {
  background: #eff5fb;
  color: var(--github-ink);
  border-bottom: 0;
}

.deployment-table th,
.deployment-table td {
  padding: 1rem 1.1rem;
  vertical-align: top;
}

.support-card {
  padding: 1.5rem;
}

.cta-panel {
  padding: 2.5rem;
  border-radius: 2rem;
  background: linear-gradient(135deg, #0b3a75, #07152b);
  color: rgba(255, 255, 255, 0.88);
  box-shadow: 0 24px 56px rgba(7, 21, 43, 0.26);
}

.cta-panel h2 {
  color: #fff;
}

footer.product {
  padding: 2.5rem 0;
  background: #0d1b34;
  border-top: 4px solid var(--github-accent);
}

footer.product h3 {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}

footer.product h3 a,
footer.product p.footerlist,
footer.product p.footerlist a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
}

footer.product h3 a:hover,
footer.product p.footerlist a:hover {
  color: #fff;
}

footer.product p.footerlist {
  margin-bottom: 0;
  line-height: 1.6;
}

@media (max-width: 991.98px) {
  .prodnavbar .navbar-nav.prodnav {
    gap: 0;
    padding: 0.75rem 0 0.25rem;
  }

  .prodnavbar .nav-link {
    border-radius: 0.8rem;
  }

  .hero-section {
    padding-top: 4.5rem;
  }
}

@media (max-width: 767.98px) {
  .prodnavbar-brand {
    width: 172px;
    height: 28px;
  }

  .hero-title {
    font-size: 2.15rem;
  }

  .hero-visual-panel,
  .pillar-card,
  .cta-panel {
    padding: 1.5rem;
  }

  .cta-panel {
    border-radius: 1.5rem;
  }
}

.subhero-section {
  padding: 4.5rem 0 3.5rem;
  background:
    radial-gradient(circle at top left, rgba(9, 105, 218, 0.08), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(240, 245, 252, 0.88));
}

.hero-eyebrow-dark {
  color: var(--github-brand);
  border-color: rgba(9, 105, 218, 0.15);
  background: rgba(9, 105, 218, 0.08);
}

.subhero-title {
  color: var(--github-ink);
  font-size: clamp(2rem, 3.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.subhero-lead {
  color: var(--github-muted);
  font-size: 1.06rem;
  max-width: 48rem;
}

.info-panel,
.summary-card,
.trial-card,
.option-card {
  height: 100%;
  padding: 1.75rem;
  border: 1px solid var(--github-line);
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.06);
}

.summary-card h2,
.trial-card h3,
.option-card h2,
.info-panel h2 {
  color: var(--github-ink);
  font-weight: 700;
}

.summary-card-featured,
.option-card-featured {
  background: linear-gradient(180deg, #ffffff, #edf5ff);
  border-color: rgba(9, 105, 218, 0.26);
}

.plan-table td,
.plan-table th {
  min-width: 180px;
}

.table-section-row th {
  background: #dfeaf8 !important;
  color: var(--github-brand-deep);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.request-list,
.trial-steps {
  padding-left: 1.2rem;
}

.request-list li,
.trial-steps li {
  margin-bottom: 0.7rem;
}

.trial-label {
  display: inline-block;
  margin-bottom: 0.9rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(45, 164, 78, 0.12);
  color: var(--github-accent);
  font-size: 0.85rem;
  font-weight: 700;
}
