.research-inc {
  width: 960px;
  margin: 90px auto 0;
}
@media screen and (max-width: 769px) {
  .research-inc {
    width: 100%;
    padding: 2.667%;
  }
}

.research-list-item a {
	color: #333;
}

.research-ttl {
  color: #fff;
  background-color: #2c2c2c;
  text-align: center;
  font-size: 24px;
  border-radius: 25px;
  padding: 13px 10px;
  font-weight: bold;
}
@media screen and (max-width: 769px) {
  .research-ttl {
    padding: 8px 10px;
    font-size: 15px;
  }
}
.research-list {
  margin-top: 20px;
  text-align: left;
}

.research-list-item {
  position: relative;
  padding-left: 17px;
}
.research-list-item + .research-list-item {
  margin-top: 20px;
}
@media screen and (max-width: 769px) {
  .research-ttl {
    padding: 8px 10px;
    font-size: 15px;
  }
}

.research-list-item > a {
  text-decoration: underline;
}

.research-list-item::before {
  content: '';
  position: absolute;
  top: 5px;
  left: 7px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 5px 0 5px 7px;
  border-color: transparent transparent transparent #e71b10;
}