main {
  padding-top: 70px;
}
main h1 {
  display: block;
  width: 100%;
  height: 0;
  padding-top: 28.472222%;
  background: url("../img/top/mv.jpg") no-repeat;
  background-size: 100% auto;
  background-position: center center;
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
}
@media screen and (max-width: 767px) {
  main h1 {
    background: url("../img/top/sp/mv.jpg") no-repeat;
    background-size: 100% auto;
    padding-top: 76.923077%;
  }
}
@media screen and (max-width: 767px) {
  main {
    padding-top: 60px;
  }
}
main .contact_contents {
  width: 600px;
  margin: 0 auto;
  padding: 45px 0 100px 0;
}
@media screen and (max-width: 767px) {
  main .contact_contents {
    width: calc(100% - 60px);
    padding: 40px 25px 100px 25px;
  }
}
main .contact_contents h2 {
  font-size: 3rem;
  font-weight: 300;
  width: 100%;
  margin-bottom: 40px;
  text-align: center;
}
main .contact_contents h3 {
  font-size: 2.4rem;
  font-weight: 500;
  text-align: center;
}
main .contact_contents .contact.contents--thanks {
  padding: 25px 0 0 0;
}
main .contact_contents .contact__thanks-txt {
  font-size: 2rem;
  line-height: 1.8;
  padding: 50px 0 0 0;
  text-align: center;
}
main .contact_contents .comments-open-content p {
  font-size: 1.4rem;
  line-height: 1.8;
  color: #333;
}
main .contact_contents .comments-open-content.b_bottom {
  margin-bottom: 10px;
  padding-bottom: 40px;
}
main .contact_contents .comments-open-content.b_bottom blockquote p {
  color: #f00;
}
main .contact_contents .comments-open-content .confirm {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  margin: 40px 0 20px 0;
  padding-bottom: 40px;
  border-bottom: 1px solid #ccc;
}
main .contact_contents .comments-open-content .confirm dl {
  width: 100%;
  background-color: #f6f6f6;
}
main .contact_contents .comments-open-content .confirm dt {
  font-size: 1.4rem;
  float: left;
  clear: both;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  width: 23%;
  padding: 10px;
  border-bottom: 1px dotted #fff;
}
main .contact_contents .comments-open-content .confirm dt.last {
  border-bottom: none;
}
main .contact_contents .comments-open-content .confirm dd {
  font-size: 1.4rem;
  display: inline-block;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  width: 77%;
  margin: 0;
  padding: 10px;
  border-bottom: 1px dotted #ccc;
  background-color: #fff;
}
main .contact_contents .comments-open-content .confirm dd:last-child {
  border-bottom: none;
}
main .contact_contents .comments-open-content #mail-form-author,
main .contact_contents .comments-open-content #mail-form-email,
main .contact_contents .comments-open-content #mail-form-subject {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px dotted #ccc;
}
main .contact_contents .comments-open-content #mail-form-author:before, main .contact_contents .comments-open-content #mail-form-author:after,
main .contact_contents .comments-open-content #mail-form-email:before,
main .contact_contents .comments-open-content #mail-form-email:after,
main .contact_contents .comments-open-content #mail-form-subject:before,
main .contact_contents .comments-open-content #mail-form-subject:after {
  display: table;
  content: "";
}
main .contact_contents .comments-open-content #mail-form-author:after,
main .contact_contents .comments-open-content #mail-form-email:after,
main .contact_contents .comments-open-content #mail-form-subject:after {
  clear: both;
}
main .contact_contents .comments-open-content #mail-form-author label,
main .contact_contents .comments-open-content #mail-form-email label,
main .contact_contents .comments-open-content #mail-form-subject label {
  font-size: 1.6rem;
  line-height: 30px;
  float: left;
}
main .contact_contents .comments-open-content #mail-form-author input,
main .contact_contents .comments-open-content #mail-form-email input,
main .contact_contents .comments-open-content #mail-form-subject input {
  float: right;
  width: 70%;
  height: 24px;
  border: 1px solid #ccc;
}
main .contact_contents .comments-open-content #mail-form-subject {
  padding: 0;
  border: none;
}
main .contact_contents .comments-open-content #mail-form-text {
  clear: both;
  margin: 40px 0 20px 0;
}
main .contact_contents .comments-open-content #mail-form-text label {
  font-size: 1.6rem;
  display: inline-block;
  margin-bottom: 10px;
}
main .contact_contents .comments-open-content #mail-form-text textarea {
  width: 100%;
  border: 1px solid #ccc;
}
main .contact_contents .comments-open-content #mail-form-footer {
  text-align: center;
}
main .contact_contents .comments-open-content #mail-form-footer #mail_preview,
main .contact_contents .comments-open-content #mail-form-footer #mail_post {
  font-size: 1.6rem;
  display: inline-block;
  width: 100px;
  height: 50px;
  margin-right: 20px;
  cursor: pointer;
  -webkit-transition: 0.3s cubic-bezier(0.45, 0, 0.55, 1);
  transition: 0.3s cubic-bezier(0.45, 0, 0.55, 1);
  color: #fff;
  border: none;
  border-radius: 10px;
  background: #539caf;
}
main .contact_contents .comments-open-content #mail-form-footer #mail_preview:hover,
main .contact_contents .comments-open-content #mail-form-footer #mail_post:hover {
  opacity: 0.5;
}
main .contact_contents .comments-open-content #mail-form-footer #mail_post {
  margin-right: 0;
}
@media screen and (max-width: 767px) {
  main .contact_contents .comments-open-content p {
    font-size: 1.5rem;
    line-height: 1.8;
  }
  main .contact_contents .comments-open-content.b_bottom {
    padding-bottom: 30px;
  }
  main .contact_contents .comments-open-content .confirm {
    margin: 30px 0 10px 0;
  }
  main .contact_contents .comments-open-content .confirm dt {
    padding: 10px;
  }
  main .contact_contents .comments-open-content #mail-form-author,
  main .contact_contents .comments-open-content #mail-form-email,
  main .contact_contents .comments-open-content #mail-form-subject {
    margin-bottom: 15px;
  }
  main .contact_contents .comments-open-content #mail-form-author label,
  main .contact_contents .comments-open-content #mail-form-email label,
  main .contact_contents .comments-open-content #mail-form-subject label {
    display: block;
    margin-bottom: 10px;
  }
  main .contact_contents .comments-open-content #mail-form-author input,
  main .contact_contents .comments-open-content #mail-form-email input,
  main .contact_contents .comments-open-content #mail-form-subject input {
    float: left;
    width: 97%;
  }
  main .contact_contents .comments-open-content #mail-form-text label {
    display: block;
    margin-bottom: 10px;
  }
  main .contact_contents .comments-open-content #mail-form-text textarea {
    width: 97%;
  }
}