:root {
  --bg: #0f1b2d;
  --bg-soft: #14243b;
  --ink: #f2f6ff;
  --muted: #9fb3d1;
  --accent: #3dd6c6;
  --accent-2: #ffb44c;
  --panel: rgba(255, 255, 255, 0.06);
  --stroke: rgba(255, 255, 255, 0.12);
  --shadow: 0 40px 80px rgba(5, 12, 26, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans JP", sans-serif;
  background: radial-gradient(circle at top, #203a5a, var(--bg));
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
}

.bg-orbit {
  position: fixed;
  inset: -20% 0 auto 0;
  height: 520px;
  background:
    radial-gradient(circle at 20% 20%, rgba(61, 214, 198, 0.35), transparent 60%),
    radial-gradient(circle at 80% 10%, rgba(255, 180, 76, 0.35), transparent 55%);
  filter: blur(10px);
  z-index: -1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 8vw 0;
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: linear-gradient(180deg, rgba(15, 27, 45, 0.9), rgba(15, 27, 45, 0.3));
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.brand-mark {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #0b1323;
  padding: 8px 12px;
  border-radius: 12px;
  font-weight: 700;
}

.site-nav {
  display: flex;
  gap: 24px;
}

.site-nav a,
.cta {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.cta:hover {
  color: var(--ink);
}

.cta {
  border: 1px solid var(--stroke);
  padding: 8px 16px;
  border-radius: 999px;
}

main {
  padding: 8vh 8vw 12vh;
  display: flex;
  flex-direction: column;
  gap: 96px;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(2.6rem, 4vw, 4rem);
  margin: 0 0 16px;
  line-height: 1.1;
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 520px;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #0b1323;
  box-shadow: 0 10px 30px rgba(61, 214, 198, 0.35);
}

.btn.ghost {
  border: 1px solid var(--stroke);
  color: var(--ink);
  background: transparent;
}

.btn:hover {
  transform: translateY(-2px);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.metric {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
}

.metric-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-card {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  animation: float 6s ease-in-out infinite;
}

.card-header,
.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.card-body {
  margin: 24px 0;
}

.card-title {
  font-size: 1.3rem;
  margin: 0 0 6px;
}

.card-desc {
  margin: 0 0 24px;
  color: var(--muted);
}

.pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(61, 214, 198, 0.2);
  color: var(--accent);
}

.progress {
  display: grid;
  gap: 8px;
}

.bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  width: 78%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.tag {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
}

.section {
  display: grid;
  gap: 32px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 2.4vw, 2.6rem);
  margin: 0 0 8px;
}

.section-header p {
  color: var(--muted);
  margin: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 18px;
  padding: 24px;
  min-height: 160px;
}

.work {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.badge {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 180, 76, 0.18);
  color: var(--accent-2);
  font-size: 0.85rem;
}

.contact-card {
  background: linear-gradient(135deg, rgba(61, 214, 198, 0.12), rgba(255, 180, 76, 0.08));
  border: 1px solid var(--stroke);
  border-radius: 24px;
  padding: 28px;
  display: grid;
  gap: 20px;
}

.contact-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.contact-value {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.site-footer {
  padding: 24px 8vw 48px;
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (max-width: 900px) {
  .site-header {
    flex-wrap: wrap;
    gap: 16px;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .site-header {
    padding: 20px 6vw 0;
  }

  main {
    padding: 8vh 6vw 10vh;
  }

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

  .hero-card {
    animation: none;
  }
}