:root {
  --bg: #0b1020;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --text: #f7f8ff;
  --muted: #b9c0d4;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #8bd3ff;
  --accent-2: #b9fbc0;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at 18% 12%, rgba(139, 211, 255, 0.18), transparent 28rem),
    radial-gradient(circle at 82% 18%, rgba(185, 251, 192, 0.14), transparent 30rem),
    linear-gradient(135deg, #080b16 0%, #10172e 52%, #070a13 100%);
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  font-family:
    "Noto Sans JP",
    "Hiragino Sans",
    "Yu Gothic",
    "YuGothic",
    "Meiryo",
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.85;
}

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

.page-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  padding: 28px 0 72px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-links a {
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
}

.nav-links a:hover {
  border-color: var(--line);
  color: var(--text);
  background: var(--panel);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 32px;
  align-items: end;
  padding-top: 88px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: clamp(3rem, 8vw, 6.4rem);
  line-height: 1.04;
  letter-spacing: -0.08em;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.18;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.lead {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 800;
}

.button.primary {
  color: #06101f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.button.ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--panel);
}

.status-card,
.card,
.feature {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.status-card {
  padding: 22px;
  border-radius: 26px;
}

.status-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-weight: 800;
}

.pulse {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent-2);
  box-shadow: 0 0 0 8px rgba(185, 251, 192, 0.1);
}

.status-card dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.status-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.status-card dt {
  color: var(--muted);
}

.status-card dd {
  margin: 0;
  font-weight: 800;
}

.section {
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 640px;
  margin-bottom: 24px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  min-height: 210px;
  padding: 22px;
  border-radius: 24px;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 211, 255, 0.42);
  background: var(--panel-strong);
}

.card-kicker {
  display: inline-flex;
  margin-bottom: 22px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
}

.card p,
.feature p,
.text-block p {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 32px;
  align-items: start;
}

.text-block {
  font-size: 1.04rem;
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 18px;
  border-radius: 22px;
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  color: #06101f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight: 900;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 36px 0 52px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 820px) {
  .page-shell {
    width: min(100% - 28px, 1120px);
  }

  .hero-grid,
  .split,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    padding-top: 56px;
  }

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

  .footer {
    flex-direction: column;
  }
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--panel);
  font-size: 0.86rem;
  font-weight: 700;
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.compact-card {
  min-height: 170px;
}