#service {
  margin: 90px;
  line-height: 1.7em;
}
#service .minna {
  font-weight: bold;
  text-align: center;
  font-size: 22px;
}
#service .minna_body {
  padding-top: 70px;
  text-align: center;
}
#service .chapter {
  font-size: 20px;
  padding: 50px 0;
}
#service .article {
  padding-top: 20px;
  padding-bottom: 30px;
}
#service .article_body {
  padding-bottom: 20px;
}
#service .article_number {
  padding: 16px 16px;
}
@media(max-width:680px){
  #service{
    margin:15px 0 0 0;
  }
  #service .minna_body{
    padding-top:15px;
  }
  #service .chapter{
    padding:15px 0;
  }
  #service .article{
    padding:15px 0;
  }
}