/* 腰痛整体の紹介エリア */
#main > h2:first-child {
  max-width: 1000px;
  width: calc(100% - 40px);
  box-sizing: border-box;
  margin: 30px auto 0;
  padding: 18px 20px 8px;
  background: #EAF5EC;
  color: #315F42;
  border-radius: 8px 8px 0 0;
  box-shadow: none;
}

#main > h2:first-child + p {
  max-width: 1000px;
  width: calc(100% - 40px);
  box-sizing: border-box;
  margin: 0 auto 35px;
  padding: 8px 20px 20px;
  background: #EAF5EC;
  color: #40564A;
  line-height: 1.8;
  border-radius: 0 0 8px 8px;
}
#main > h2:first-child {
  background-image: none;
  box-shadow: none;
}

#main > h2:first-child span {
  background-color: transparent;
  background-image: none;
  box-shadow: none;
}

/* 見出しのグレー背景を解除 */
#main > h2:first-child {
  background-color: #EAF5EC !important;
  background-image: none !important;
}

#main > h2:first-child span {
  background: transparent !important;
}

@media screen and (max-width: 768px) {
  #main > h2:first-child {
    font-size: 22px;
    line-height: 1.5;
    padding: 20px 20px 10px;
  }

  #main > h2:first-child + p {
    font-size: 16px;
    line-height: 1.8;
    padding: 10px 20px 20px;
  }
}