.intro-wrapper{
  text-align: center;
  margin: 50px 0px;

}
.intro-wrapper h2{
  font-family:"a-otf-gothic-bbb-pr6n", sans-serif;
  font-size: 30px;
  margin:20px;
  padding-bottom:20px;
  border-bottom: 1px solid #000;
}
.intro-wrapper h3{
  font-family:"a-otf-gothic-bbb-pr6n", sans-serif;
  font-size: 25px;
  margin:20px;
}
.intro-wrapper p{
  font-family:"a-otf-gothic-bbb-pr6n", sans-serif;
  font-size: 20px;
  font-weight: lighter;
  padding:20px;
  background-color: #f6f6f6;
}
.introduce{
  margin-top:80px;
}

@media(max-width:750px){
  .intro-wrapper h2{
    font-size: 20px;
  }
  .intro-wrapper h3{
    font-size: 18px;
  }
  .intro-wrapper p{
    font-size: 12px;
    padding:10px;
  }
}