#contact-form {
  padding: 0;
}

.txt1 {
  text-align: center;
  font-size: 18px;
}

.form-input {
  position: relative;
  margin: 40px auto 0;
  padding: 55px 42px;
  width: 835px;
  background: #f5f5f5;
}

.form-input dt {
  position: absolute;
  left: 42px;
  font-weight: 400;
  font-size: 16px;
}

.form-input dt span, span.rq {
  margin-left: 15px;
  display: inline-block;
  background: #00284c;
  color: #fff;
  font-size: 12px;
  padding: 2px 5px;
}

p.check {
  margin-top: 1em;
  color: #ff0000;
}

.form-input .error {
  color: #ff0000;
}

.form-input dd {
  padding-left: 270px;
  margin-bottom: 40px;
  width: 560px;
  line-height: 1.5;
  font-size: 14px;
}

.form-input dd.short {
  width: 260px;
}

.form-input-conf dd {
  min-height: 20px;
}

input[type="checkbox"] {
  margin-right: 5px;
}

input[type="text"], textarea {
  padding: 11px;
  border: 1px solid #333;
  background: #fff;
}

.form-input dd input[type="text"], .form-input dd textarea {
  width: 540px;
  font-size: 16px;
}

.form-input dd.short input[type="text"] {
  width: 235px;
}

#formBtn {
  margin-top: 43px;
  text-align: center;
}

#formBtn input[type="submit"], .submit input[type="submit"], .top-btn {
  padding: 8px 0 12px;
  width: 300px;
  font-size: 21px;
  font-weight: bold;
  letter-spacing: 0.1em;
  color: #fff;
  background-color: #00284c;
  border: 1px solid #00284c;
  cursor: pointer;
  transition: .3s;
  font-family: 'Noto Serif JP', serif;
}

.btn-area {
  text-align: center;
  margin: 60px 0 0;
}

.send, .back {
  display: inline-block;
  margin: 0 10px;
}

#formBtn input[type="submit"]:hover, .submit input[type="submit"]:hover, .top-btn:hover {
  color: #333;
  background: #fff;
}

h3 {
  margin-bottom: 37px;
  font-size: 30px;
  text-align: center;
}

.comp_txt {
  text-align: center;
  font-size: 16px;
  line-height: 1.9;
}

.top-btn {
  display: block;
  margin: 50px auto 0;
  text-align: center;
}

@media screen and (max-width: 767px) {
  #container {
    padding: 150px 0 0;
  }

  #contact-form {
    padding: 0;
  }

  .txt1 {
    text-align: center;
    font-size: 14px;
  }

  .form-input {
    position: relative;
    margin: 10% auto 0;
    padding: 10% 5%;
    width: 90%;
    background: #f5f5f5;
  }

  .form-input dt {
    width: 100%;
    position: inherit;
    left: inherit;
    margin: 0 0 2%;
    font-weight: bold;
    font-size: 14px;
  }

  .form-input dt span {
    margin-left: 15px;
    display: inline-block;
    background: #00284c;
    color: #fff;
    font-size: 12px;
    padding: 2px 5px;
  }

  p.check {
    margin-top: 1em;
    color: #ff0000;
  }

  .form-input .error {
    color: #ff0000;
  }

  .form-input dd {
    padding-left: 0;
    margin-bottom: 7%;
    width: 100%;
    line-height: 1.5;
    font-size: 14px;
  }

  .form-input dd.short {
    width: 100%;
  }

  .form-input-conf dd {
    min-height: inherit;
  }

  input[type="checkbox"] {
    margin-right: 5px;
  }

  input[type="text"], textarea {
    padding: 11px;
    border: 1px solid #333;
    background: #fff;
  }

  .form-input dd input[type="text"], .form-input dd textarea {
    width: 92%;
    font-size: 14px;
  }

  .form-input dd.short input[type="text"] {
    width: 92%;
  }

  #formBtn {
    margin-top: 7%;
    text-align: center;
  }

  #formBtn input[type="submit"], .submit input[type="submit"], .top-btn {
    padding: 4% 0;
    width: 100%;
    font-size: 14px;
  }

  .btn-area {
    text-align: center;
    margin: 10% 0 0;
  }

  .send, .back {
    display: inline-block;
    margin: 0 0 4%;
    width: 100%;
  }

  #formBtn input[type="submit"]:hover, .submit input[type="submit"]:hover, .top-btn:hover {
    color: #333;
    background: #fff;
  }

  h3 {
    margin-bottom: 37px;
    font-size: 20px;
    text-align: center;
  }

  .comp_txt {
    margin: 0 auto;
    width: 100%;
    font-size: 12px;
  }

  .top-btn {
    margin-bottom: 10%;
  }
}