html {
    font-size: 62.5%;
  }
  body {
    background: #fffff1;
    color: #332f30;
    font: 16px "貂ｸ繧ｴ繧ｷ繝�け菴�", YuGothic, "貂ｸ繧ｴ繧ｷ繝�け", "Yu Gothic", "繝｡繧､繝ｪ繧ｪ", "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;
    font-weight: 400;
    line-height: 1.6;
    margin: 0;
  }
  .wrap {
    margin: auto;
    width: 100%;
  }
  .clearfix:after {
    content: "";
    clear: both;
    display: block;
  }
  img {
    max-width: 100%;
    vertical-align: bottom;
  }
  
  /* list */
  ul {
    list-style: none;
    padding: 0;
  }
  
  /* link */
  a:link,a:visited,a:hover,a:active {
    color: #222;
    text-decoration: none;
  }
  a img:hover {
    filter: alpha(opacity=70);
    -webkit-transition: 0.3s;
    transition: 0.3s;
  }
  
  
  .contact_form{
    height: 1800px;
    width: 100%;
  }
  
  .output_pic{
    height: 200px;
    width: 100%;
    border: solid 0.5px #ccc;
  }
  .mondai_pic{
    /* height: 220px; */
  }
  
  .header_menu{
    display:flex;
    justify-content:center;
  }
  @media screen and (max-width: 578px) {
    .header_menu{
      flex-wrap: wrap;
    }
  }
  
  .header_menu li a{
    color: #444;
    font-weight: bold;
    display:block;
    padding: 0px 10px;
  }
  @media screen and (max-width: 578px) {
    .header_menu li a{
      padding: 0px 2px;
    }
  }
  
  
  .header_menu li a:hover{
    /* background-color: #f8f8f8; */
    color: #950417;
  }
  /* .header_menu li{
    border-left: solid 1px #ccc;
  } */
  /* @media screen and (max-width: 578px) {
    .header_menu li{
      border-left: none;
    }
  } */
  
  /* .header_menu li:first-child{
    border-left: none;
  } */
  
  .header_menu_wrapper{
    background-color:#e5e5e5;
    padding: 10px 0;
  }
  
  @media screen and (max-width: 578px) {
    section{
      padding-top: 30px;
    }
    .header_menu li a{
      font-size: 12px;
    }
    .header_menu{
      gap: 12px;
    }
    .success_method_section{
      padding-top: 0;
    }
  
  }