.main{
    width: 70%;
    max-width: 1300px;
    margin: auto;
    margin-top: 80px;
    border: 5px solid #f5f2eb;
    padding-bottom: 80px;
}
h2{
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 20px;
    text-align: center;
    background-color: #f5f2eb;
    padding: 50px 50px;

}
.nintei_logo{
  display: flex;
  text-align: center;
}
.nintei_logo img {
  width: 100%;
}

.main p, .main li, main a {
    font-size: 16px;
    margin-top: 8px;
    width: 80%;
    margin: auto;
}
.main ol{
    counter-reset: item;
    list-style-type: none;
    padding-left: 0;
  }
.main ol ol{
    padding-left: 1em;
  }
.main li{
    text-indent: -1.3em;
    padding-left: 1.3em;
  }
.main li:before {
    counter-increment: item;
    content: counter(item)'.';
    /* 以下は自由に装飾... */
    padding-right: 5px;
    font-weight: bold;
    color: #333333;
  }
.main li li{
      font-size: 14px;
  }
.nintei_text p,
.nintei_text a {
  margin-top: 30px;
} 
.link{
    color: #3878c7;
}
.link:hover{
    color: #a6c8f1;
    border-bottom: #a6c8f1 1px solid;
}



  @media (max-width: 800px) { 
    .main {
      width: 90%;
    }
    h2 {
      font-size: 26px;
    }
    .main p {
      width: 90%;
      font-size: 20px;
    }
  }