.seo-guide-note {
  width: min(1120px, calc(100% - 32px));
  margin: 40px auto;
  padding: clamp(24px, 4vw, 42px);
  color: #d8e6ea;
  border: 1px solid rgba(125, 232, 255, .24);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(10, 25, 35, .94), rgba(7, 16, 25, .94));
}

.seo-guide-note h2 {
  margin: 0 0 16px;
  color: #8eeaff;
  font-size: clamp(24px, 3vw, 36px);
}

.seo-guide-note p {
  margin: 0 0 14px;
  color: #b9cbd2;
  font-size: 16px;
  line-height: 1.75;
}

.seo-guide-note p:last-child { margin-bottom: 0; }

@media (max-width: 640px) {
  .seo-guide-note { width: 100%; margin: 28px 0; border-radius: 0; border-left: 0; border-right: 0; }
}