.cm-mv {
  background-image: url("../images/sns/sns-bg.jpg");
  padding: 13rem 0 11rem;
}

.section-sns {
  padding: 8rem 0;
}
.section-sns .cm-ribbon-ttl {
  margin-bottom: 5rem;
}

.sns-box {
  display: flex;
  justify-content: space-between;
}
.sns-item {
  width: 48%;
  background: #f7f2f2;
  padding: 2rem;
  box-sizing: border-box;
}
.sns-item h3 {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
}
.sns-item h3 i {
  margin-right: 1rem;
}
.sns-item.facebook h3 {
  color: #3B5998;
}
.sns-item.twitter h3 {
  color: #1DA1F2;
}
.sns-item.twitter .btn span {
  background: #1DA1F2;
  border: solid 1px #1DA1F2;
}
.sns-item .btn {
  text-align: center;
  margin: 1.5rem auto 3rem;
}
.sns-item .btn span {
  color: #fff;
  display: inline-block;
  background: #3B5998;
  border-radius: 1rem;
  padding: 1rem 2rem;
  padding-right: 2rem;
  border: solid 1px #3B5998;
  transition: .3s;
  position: relative;
}
.sns-item .btn span::after {
  content: "";
  position: absolute;
  right: 1rem;
  width: 0.5rem;
  height: 0.5rem;
  top: 50%;
  margin-top: -0.25em;
  border-top-width: 2px;
  border-top-style: solid;
  border-right-width: 2px;
  border-right-style: solid;
  -webkit-transform: rotate(45deg);
  border-top-color: #fff;
  border-right-color: #fff;
  transform: rotate(45deg);
}

@media screen and (max-width: 480px) {
  .sns-box {
    flex-wrap: wrap;
  }
  .sns-item {
    width: 100%;
  }
  .sns-item.facebook {
    margin-bottom: 3rem;
  }
}