.content {
  counter-reset: number;
}
.content h3 {
  margin: 0 0 10px;
  padding: 25px 0;
  border-top: solid 3px #c1272d;
  border-bottom: solid 1px #ccc;
  font-size: 1.438rem;
}
.content .caption_bg {
  padding-top: 20px;
  padding-bottom: 20px;
}
.content .caption_bg h4 {
  position: relative;
  background-color: #e6e6e6;
  font-size: 1.125rem;
  margin-top: 0;
  margin-bottom: 15px;
  padding: 10px 0 10px 50px;
}
.content .caption_bg h4:before {
  position: absolute;
  content: '';
  background: url(../contents/common/common/caption_triangle.png);
  top: 0;
  left: 0;
  width: 21px;
  height: 21px;
}
.content .caption_bg h4:after {
  counter-increment: number;
  content: counter(number) ".";
  font-size: 1.375em;
  position: absolute;
  color: #be272d;
  left: 20px;
  top: 5px;
}

/*accordion*/
.acd-nav {
  border: solid 1px #ccc;
  background-color: #fff;
}

.acd {
  margin-bottom: 0;
  margin-left: 0;
}

.acd:before, .acd:after {
  content: " ";
  display: table;
}

.acd:after {
  clear: both;
}

.acd .acd-nav, .acd dd {
  display: block;
  margin-bottom: 15px;
}

.acd .acd-nav.active > a, .acd dd.active > a {
  background: #e8e8e8;
}

.acd .acd-nav > a, .acd dd > a {
  color: #333;
  padding: 1rem 50px 1rem 4rem;
  display: block;
  font-family: "Helvetica Neue", Helvetica, Roboto, Arial, sans-serif;
  font-size: 1rem;
  position: relative;
}

.acd .acd-nav {
  position: relative;
}

.caption_bg .acd .acd-nav:before {
  position: absolute;
  background: url("../contents/question_answer/question.png");
  content: '';
  width: 36px;
  height: 36px;
  top: 10px;
  left: 10px;
}

.caption_bg .acd .acd-nav > a:before {
  position: absolute;
  background: url("../contents/question_answer/acd_off.png");
  content: '';
  width: 30px;
  height: 30px;
  top: 1rem;
  right: 1rem;
  z-index: 1;
}

.caption_bg .acd .acd-nav > .highlight:before {
  content: none;
}

.caption_bg .acd .acd-nav > .highlight:after {
  position: absolute;
  background: url("../contents/question_answer/acd_on.png");
  content: '';
  width: 30px;
  height: 30px;
  top: 1rem;
  right: 1rem;
  z-index: 2;
}

.acd .acd-nav > .answer, .acd dd > .answer {
  display: none;
  padding: 0.9375rem;
}

.acd .acd-nav > .answer.active, .acd dd > .answer.active {
  display: block;
  background: #FFFFFF;
}

.acd-nav .answer {
  position: relative;
}

.acd-nav .answer p {
  margin-bottom: 0;
  padding-left: 3rem;
}

.acd-nav .answer ol {
  margin-left: 4rem;
}

.acd-nav .answer ol li {
  margin-top: 10px;
}

.acd-nav .answer .application {
  padding: 10px;
}

.acd-nav .answer .application p {
  padding: 10px 0 10px 3rem;
}

.acd-nav .answer .application table {
  margin-left: 3rem;
  border: solid 1px #ccc;
}
.acd-nav .answer .application table tbody tr:nth-child(odd) {
  background-color: #f4dfe1;
}
.acd-nav .answer .application table tbody tr:nth-child(even) {
  background-color: #fff;
}
.acd-nav .answer .application table tbody tr td {
  width: 200px;
  text-align: center;
}
.acd-nav .answer .application table tbody tr td:first-child {
  font-size: 1rem;
  border-right: 1px solid #ccc;
  padding: 10px 20px;
}
.acd-nav .answer .application table tbody tr td:nth-child(2) {
  font-size: .875rem;
  padding: 10px 20px;
}

.acd-nav .answer .font {
  padding: 10px;
}
.acd-nav .answer .font p {
  padding: 10px 0 5px 3rem;
}
.acd-nav .answer .font ul {
  margin-left: 3rem;
  list-style: none;
}

.acd-nav .answer .paper p {
  padding: 10px 0 5px 3rem;
}
.acd-nav .answer .paper ul {
  margin-left: 3rem;
  list-style: none;
}

.caption_bg .acd-nav .answer:before {
  position: absolute;
  content: '';
  background: url("../contents/question_answer/answer.png");
  width: 36px;
  height: 36px;
  top: 10px;
  left: 10px;
}

.acd-nav .answer ul {
  list-style-type: disc;
}