{#ボタン#}
.posts__post_content_btn{
  position: relative;
  margin-right: 20px;
  padding-bottom: 20px;
  text-align: right;
  margin-top: 10px;
}
.posts__post_content_btn a{
  display: block;
  text-decoration: none;
  padding-bottom: 5px;
  margin-right: 8px;
  color: #d41a19;
  font-size: 12px;
  transition: all 0.2s;
}

.posts__post_content_btn a:hover{
  transform: translateX(3px);
}
.posts__post_content_btn a:before{
  content:"";
  position: absolute;
  top: 20px;
  right: -15px;
  width: 100px;
  height: 2px;
  background: #D41A19;
}

.posts__post_content_btn a:after{
  content: "";
  position: absolute;
  top: 14px;
  width: 18px;
  right: -20px;
  height: 2px;
  background: #D41A19;
  transform: rotate(50deg);
}