form#mail_form {
  width: auto;
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  -webkit-box-shadow: none;
          box-shadow: none;
  font-size: 100%;
  line-height: 1;
}

form#mail_form dl {
  width: 100%;
}

form#mail_form dl dt {
  clear: none;
  width: 100%;
  float: none;
  border-top: none;
  padding: 0;
  text-align: left;
  overflow: hidden;
}

form#mail_form dl dt span {
  display: none;
}

form#mail_form dl dt span.optional {
  display: none;
}

form#mail_form dl dt:first-child {
  display: block;
}

form#mail_form dl dt:first-child + dd {
  display: block;
}

form#mail_form dl dd {
  width: 100%;
  float: none;
  border-top: none;
  padding: 0;
}

form#mail_form dl dd span.error_blank, form#mail_form dl dd span.error_format, form#mail_form dl dd span.error_match {
  width: 100%;
  margin-top: 0;
}

form#mail_form input[type="text"],
form#mail_form input[type="email"],
form#mail_form input[type="tel"] {
  max-width: 100%;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  -webkit-appearance: none;
  font-size: 100%;
  font-family: inherit;
  margin-top: 0;
}

form#mail_form ul li input[type="radio"],
form#mail_form ul li input[type="checkbox"] {
  width: 100%;
  margin: 0;
}

form#mail_form div#agreement span.error_check {
  margin: 0;
}

form#mail_form p#form_submit {
  width: 100%;
  margin: 0 auto;
  padding: 0;
  border-top: none;
}

div#agreement {
  width: 100%;
  margin: 0;
  padding: 0;
  border-top: none;
}

div#agreement div {
  height: auto;
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  overflow-y: visible;
}

div#agreement input[type="checkbox"] {
  display: block;
  margin: 0;
}