/* Category and archive pages. */
.matsusai-seo-archive-intro {
  margin: 0 0 24px;
  padding: 20px 22px;
  border-left: 4px solid #0d2b47;
  background: #f3f6f8;
  color: #263746;
}

.matsusai-seo-archive-intro p {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.85;
}

.matsusai-seo-archive-intro small {
  margin-top: 7px;
  display: block;
  color: #63717d;
  font-size: 11px;
  line-height: 1.7;
}

@media (max-width: 600px) {
  .matsusai-seo-archive-intro {
      margin-bottom: 18px;
      padding: 16px 17px;
    }

    .matsusai-seo-archive-intro p {
      font-size: 13px;
    }
}