html body .post_content h2 {
  text-align: center;
  background-color: #663300;
  color: #fff;
  padding: 20px;
  border-radius: 50px;
}

html body .post_content h2 img {
  display: block;
}

.post_content h2::before {
  border: unset;
}

.post_content h3 {
  background-color: unset;
  color: #663300;
}

p.tit_symptoms span {
  display: block;
  font-size: 16px;
  font-weight: normal;
}

@media (max-width: 1099px) {
}

@media screen and (min-width: 768px) and (max-width: 960px) {
  /* タブレット */
}

@media screen and (max-width: 960px) {
  /* スマホ 横から */
}

@media screen and (max-width: 559px) {
  /* スマホ 縦から */
}