:root {
  --bg: #0d0f14;
  --panel: rgba(255,255,255,.045);
  --line: rgba(255,255,255,.11);
  --text: #f4f4f2;
  --muted: #9da3ae;
  --accent: #dce3ff;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, "Helvetica Neue", "Noto Sans JP", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(87,130,255,.10), transparent 26rem),
    radial-gradient(circle at 90% 20%, rgba(139,112,255,.08), transparent 26rem),
    var(--bg);
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .14;
  background-image:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
}

.site-header,
main,
footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  height: 122px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.brand-logo {
  display: block;
  width: 380px;
  max-width: 62vw;
  text-decoration: none;
}

.brand-logo img {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
  background: transparent;
  box-shadow: none;
  filter: drop-shadow(0 0 22px rgba(186, 198, 255, 0.12));
}

.hero {
  padding: 26px 0 72px;
  max-width: 920px;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: .17em;
}

h1 {
  margin: 0;
  font-size: clamp(46px, 8vw, 92px);
  line-height: .98;
  letter-spacing: -.055em;
  font-weight: 650;
}

h1 span { color: #8f98a8; }

.lead {
  margin: 34px 0 0;
  color: var(--muted);
  max-width: 650px;
  font-size: 16px;
  line-height: 1.9;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 100px;
}

.card {
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  color: inherit;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(12px);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: auto;
}

.tag,
.domain {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .14em;
}

.arrow {
  color: var(--muted);
  font-size: 20px;
}

.card h2 {
  margin: 38px 0 8px;
  font-size: 22px;
  letter-spacing: -.02em;
}

.card p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.muted { opacity: .72; }

footer {
  min-height: 110px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  color: #747b87;
  font-size: 11px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

@media (max-width: 780px) {
  .site-header { height: 92px; }
  .brand-logo { width: 260px; max-width: 78vw; }
  .hero { padding: 18px 0 58px; }
  .card { min-height: 210px; }
  footer { flex-direction: column; }
}