.about .inner {
  width: 900px;
  padding-bottom: 80px;
}

.mailform {
  margin: 0 auto;
  text-align: center;
  width: 100%;
}

.mailform dl:nth-of-type(1) {
  border-top: 1px solid #666;
}

.mailform dl {
  padding: 20px;
  margin-bottom: 4px;
  margin: 0 auto;
  border-bottom: 1px solid #666;
  width: 100%;
}

.mailform dt {
  padding-left: 30px;
  width: 40%;
  display: table-cell;
  vertical-align: middle;
}

.mailform dd {
  width: 60%;
  padding-right: 30px;
  display: table-cell;
  vertical-align: middle;
}

.mailform dd input[type="text"],
.mailform dd select,
dd textarea {
  width: 100%;
  max-width: 100%;
  font-family: inherit;
  padding: 7px 12px;
  font-size: 14px;
  background: #f4f4ff;
  border-radius: 4px;
  border: 1px solid #ddddea;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, .05);
}

.mailform dd input[type="radio"],
.mailform dd input[type="checkbox"] {
  box-shadow: none;
  border: 5px solid #ccc;
}

.mailform dd .nest {
  padding-left: 45px;
  margin: 10px 0;
}

.mailform dd textarea {
  width: 100%;
  height: 220px;
  box-sizing: border-box;
  resize: vertical;
}

input[type="file"] {
  margin-bottom: 20px;
}

/* 
.mailform dd input[type="file"] {
  background-color: #fff;
}

input[type="file"] {
  display: none;
}
label {
  cursor: pointer;
  font-size: 14px;
  margin-bottom: 20px;
  background: #fff;
  padding: 10px 30px;
  border-radius: 10px;
  display: inline-block;
  position: relative;
  border: 1px solid #666;
} */

/* label:hover {
  background-color: #666;
  color: #fff;
} */
/* 
label::after {
  content: "選択されていません";
  font-size: 14px;
  height: 20px;
  line-height: 20px;
  position: absolute;
  right: -140px;
  top: calc(50% - 10px);
  color: #666;
}
label.changed::after {
  content: "";
}
.filename {
  font-size: 12px;
  color: #666;

}


.confirmation_btn:hover {
  opacity: .8;
} */

@media screen and (max-width: 768px) {

  .about .inner {
    width: 90%;
  }
  
  .mailform {
    text-align: center;
    width: 100%;
  }
  
  .mailform dl:nth-of-type(1) {
    border-top: 1px solid #666;
  }
  
  .mailform dl {
    padding: 20px;
    margin-bottom: 4px;
    margin: 0 auto;
    border-bottom: 1px solid #666;
    width: 100%;
    display: block;
  }
  
  .mailform dt {
    display: block;
    padding-left: 0px;
    width: 100%;
  }
  
  .mailform dd {
    width: 100%;
    display: block;
    padding-right: 0px;
  }
  
  .mailform dd input[type="text"],
  .mailform dd select,
  dd textarea {
    width: 100%;
    max-width: 100%;
    font-family: inherit;
    padding: 7px 12px;
    font-size: 14px;
    background: #f4f4ff;
    border-radius: 4px;
    border: 1px solid #ddddea;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, .05);
  }
  
  .mailform dd input[type="radio"],
  .mailform dd input[type="checkbox"] {
    box-shadow: none;
    border: 5px solid #ccc;
  }
  
  .mailform dd .nest {
    padding-left: 45px;
    margin: 10px 0;
  }
  
  .mailform dd textarea {
    width: 100%;
    height: 150px;
    box-sizing: border-box;
    resize: vertical;
  }
  
  input[type="file"] {
    margin-bottom: 20px;
  }
  

}