@media (max-width: 768px) {
  #dm-site .seminar img {
    width: 100%;
  }
}
#dm-site .seminar .list-wrapper {
  background-color: #fff;
  padding: 60px 90px;
  line-height: 1.5;
}
#dm-site .seminar li {
  width: 49.5%;
  border: solid 1px #EFEFEF;
  margin-top: 30px;
}
#dm-site .seminar li .txt-box::after {
  position: absolute;
  content: url(../image2/red-arw.png);
  right: -4%;
  top: 50%;
}
#dm-site .left {
  background-image: none;
}
#dm-site .seminar li .txt-box {
  position: relative;
  font-size: 14px;
  width: calc(100% - 210px);
  padding: 15px 0;
  margin-left: 20px;
}
#dm-site .seminar li .txt-box span {
  font-size: 12px;
  background-color: #000;
  color: #fff;
  padding: 4px 6px;
  display: inline-block;
}
#dm-site .seminar .txt-box h3 {
  font-size: 18px;
  margin-top: 5px;
}
#dm-site .seminar li .txt-box time {
  display: block;
  font-size: 12px;
  margin-top: 10px;
  letter-spacing: 0.05em;
  font-weight: bold;
  color: #D31D3E;
}
#dm-site .seminar .btn-black {
  margin: 50px auto 0;
}
#dm-site .seminar .seminar_menu .txt-box .ttl {
    font-size: 18px;
    margin-top: 5px;
    font-weight:bold;
}
@media (max-width: 768px) {
  #dm-site .seminar img {
    width: 100%;
    margin-bottom: 15px;
  }
  #dm-site .seminar h2.ttl {
    margin-top: 30px;
  }
  #dm-site .seminar .hd-txt {
    width: 100%;
  }
  #dm-site .seminar li {
    width: 100%;
    padding: 20px 15px;
  }
  #dm-site .seminar .list-wrapper {
    padding: 10px 10px;
  }
  #dm-site .seminar li .txt-box {
    margin-left: 0;
    width: 100%;
  }
}