main{
    width: calc(100% - 30px);
    margin: 40px auto 100px auto;
}

p.introduction {
  font-size: 1.6rem;
  line-height: 2.8rem;
  font-weight: bold;
  margin: 40px auto;
}

div.radio-cm_contents {display: block;}

div.radio-cm_contents a {
  display: block;
  width: 100%;
  margin: 0 0 60px 0;
}

div.radio-cm_contents a:nth-child(2n) {margin-right: 0;}

div.radio-cm_contents .captionOver .figureTitle > h3 {
  width:100%;
  margin: 0 auto 5px;
}