.site-footer{
  padding: 26px 0 18px;
  border-top: 1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(900px 420px at 15% 0%, rgba(124,58,237,.18), transparent 55%),
    radial-gradient(900px 420px at 85% 0%, rgba(34,211,238,.12), transparent 55%),
    rgba(0,0,0,.20);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.site-footer .footer-inner{
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.2fr auto;
  gap: 18px;
  align-items: start;
  padding: 18px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  box-shadow: 0 18px 60px rgba(0,0,0,.35);
}

.footer-logo{
  font-weight: 900;
  letter-spacing: .08em;
  text-decoration: none;
  color: rgba(255,255,255,.92);
  display: inline-block;
  margin-bottom: 6px;
}
.footer-tagline{
  margin: 0;
  color: rgba(255,255,255,.68);
  font-size: 13px;
}

.footer-nav{
  display: grid;
  gap: 10px;
}
.footer-nav a{
  color: rgba(255,255,255,.72);
  text-decoration: none;
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  transition: .2s;
}
.footer-nav a:hover{
  color: #fff;
  background: rgba(255,255,255,.09);
}

.footer-links{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-pill{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.78);
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  transition: .2s;
}
.footer-pill:hover{
  background: rgba(255,255,255,.10);
  color: #fff;
}

.footer-top{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(135deg, rgba(124,58,237,.85), rgba(34,211,238,.55));
  color: #fff;
  text-decoration: none;
  font-weight: 900;
  font-size: 12px;
  box-shadow: 0 10px 34px rgba(124,58,237,.28);
  transition: .2s;
}
.footer-top:hover{
  transform: translateY(-1px);
  box-shadow: 0 14px 44px rgba(124,58,237,.33);
}

.footer-bottom{
  width: min(1120px, calc(100% - 32px));
  margin: 14px auto 0;
  text-align: center;
  color: rgba(255,255,255,.58);
  font-size: 12px;
}

/* モバイル */
@media (max-width: 900px){
  .site-footer .footer-inner{
    grid-template-columns: 1fr;
  }
  .footer-top{
    justify-self: start;
  }
}