ol {
  list-style: none;
}

.border {
  width: 90%;
  margin: 0 auto;
  border: 2px solid rgba(39,134,66,1)!important;
}

.title-area {
  margin: 2%;
}

.title-area h1 {
  display: inline-block;
  font-size: 1.5em;
  padding: 1% 2%;
  background: rgba(39,134,66,0.1);
  border-left: 5px solid rgba(39,134,66,1)!important;
}

.contents-area {
  width: 90%;
  margin: 0 auto;
  padding: 2% 5%;
  line-height: 1.8em;
  display: flex;
}

.thumb {
  margin-right: 5%;
  text-align: center;
}

.thumb img {
  display: block;
  width: 100%;
  margin: 0 auto;
  max-width: 180px;
}

.catalog {
  display: inline-block;
  padding: 5%;
  margin-top: 3%;
  border: 1px solid #ccc;
  border-radius: 5px;
  transition: .2s;
  color: #000;
  text-decoration: none;
}

.catalog:hover,
.catalog:focus {
  background: rgba(39,134,66,1);
  color: #fff;
}

@media screen and (max-width: 767px) {
  .contents-area {
     display: block;
  }
  .thumb img {
    width: 70%;
  }

  .catalog {
    padding: 3% 5%;
  }

.contents-area {
    width: 100%;
  }

.contents-area ol {
    padding-left: 1.5em;
 }
}