.faq_list > li{
  border-bottom: 1px solid #ddd;
  padding-bottom: 5px;
  margin-bottom: 20px;
}
/*リスト*/
.list_qa {
  margin-bottom: 10px;
}
.list_qa > dt, dd {
  padding-left: 1.6em;
  position: relative;
}
.list_qa > dd {
  margin: 15px 0px;
}
.list_qa > dt:before,dd:before {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  font-weight: bold;
  position: absolute;
  top: 0;
  left: 0;
}
.list_qa > dt:before {
  content: "Q.";
  display: block;

}
.list_qa > dd:before {
  content: "A.";
  display: block;

}