:root {
  --surface-glow: radial-gradient(circle at top, rgba(51, 124, 232, 0.16), transparent 42%);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--surface-glow);
  pointer-events: none;
  z-index: -1;
}

.problem-item,
.benefit-item {
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(2px);
}

.section-fade {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.section-fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.case-card {
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  background: rgba(248, 250, 252, 0.9);
}

.case-logo-wrap {
  width: 9.5rem;
  height: 9.5rem;
  margin: 0 auto;
  border-radius: 9999px;
  padding: 0.5rem;
  background: white;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: 0 8px 30px -18px rgba(20, 40, 72, 0.55);
}

.case-logo {
  width: 100%;
  height: 100%;
  border-radius: 9999px;
  object-fit: cover;
}