span.err {
  color: #cc0000;
  font-size: 10px;
  margin-left: 10px;
}

.inq_inner {
  padding: 20px;
}

.inq_table {
  width: 100%;
  margin-top: 20px;
}
.inq_table tr th, .inq_table tr td {
  padding: 10px 20px;
  font-size: 12px;
  border-bottom: dotted 1px #ccc;
}
.inq_table tr th {
  width: 240px;
  text-align: left;
}

ul.radio {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  list-style: none;
}
ul.radio li {
  margin-right: 10px;
}
ul.radio li input {
  vertical-align: middle;
  margin-right: 5px;
}

.submit {
  text-align: center;
  position: relative;
  margin-top: 30px;
}
.submit input, .submit button {
  margin: 10px;
  padding: 3px 5px 3px 5px;
  color: #ffffff;
  background-color: #7f7f7f;
  font-weight: bold;
  font-size: 12px;
  border-width: 1px;
  border-color: #bdbdbd #696969 #696969 #bdbdbd;
  vertical-align: middle;
}
.submit button.back {
  position: absolute;
  left: 0;
  top: 0;
}

@media screen and (max-width: 767px) {
  .inq_table tr th, .inq_table tr td {
    display: block;
    border-bottom: dotted 1px #ccc;
  }
  .inq_table tr th {
    width: 100%;
    border: none;
    padding-bottom: 0;
  }

  .submit button.back {
    position: static;
  }
}