html{
  font-size: 12px;
}

@media screen and (max-width: 768px){
  html{
    font-size: 10px;
  }
}
.margin-bottom-1em{
  margin-bottom: 1em;
}

.PostContainer-inner{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
@media screen and (max-width: 768px){
  .PostContainer-inner{
    justify-content: space-evenly;
  }
}
.PostContainer-inner a{
  display: inline-block;
  text-decoration: none;
  color: black;
  border:solid;
  border-color: #d4d4d4;
  border-radius: 1rem;
}

.thumbnail_effect{
  flex-basis:calc((100% - 80px) / 3);
  max-width:calc((100% - 80px) / 3);
  /* flex-basis:calc((100% - 50%) / 3);
  max-width:calc((100% - 50%) / 3); */
  margin-top:3.3rem;
}
@media screen and (max-width: 768px){
  .thumbnail_effect{
    flex-basis:calc((100% - 20px) / 2);
    max-width:calc((100% - 20px) / 2);
  }
}
.thumbnail_effect:nth-of-type(3n-1):nth-last-of-type(1){
  margin-right:auto;
  margin-left:1.66rem;
}

.cp_h1title {
	position: relative;
	margin-bottom: 1em;
	text-align: center;
  font-weight: unset;
}
.cp_h1title:before {
	content: '';
	position: absolute;
	bottom: -1.25rem;
	display: inline-block;
	width: 5%;
	height: 0.41rem;
	left: 50%;
	transform: translateX(-50%);
	background-color: #10859e;
	border-radius: 0.166rem;
}

.PostContainer-inner .tag{
  color: mediumturquoise;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.posted-info{
  display: flex;
  justify-content: space-between;
  padding-top:0.5rem;
}

.article-head{
  margin: 1rem;
  height: 11rem;
}
.thumbnail_effect img{
  width: 100%;
  border-radius: 0.9rem;
  border-bottom: 1px solid #d4d4d4;
  border-width: unset;
}
.thumbnail_effect .title{
  font-size: 1.53rem;
  padding-top: 0.42px;
  position: relative;
  display: inline-block;
  text-decoration: none;
}

a:hover{
  opacity: 0.7;
}

a:hover .title{
  color: black;
}
a:hover .posted-date{
  color: black;
}
a:hover .posted-num{
  color: black;
}

@keyframes zoom-in {
  0% {
   transform: scale(.1);
  }
  100% {
    transform: none;
  }
}

@keyframes rotate-right {
  0% {
    transform: translate(-100%) rotate(-100deg);
  }
  100% {
    transform: none;
  }
}

.is-animated {
  animation: .6s zoom-in;
}

.filter{
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.filter a{
  position: relative;

  font-size: 1.0rem;
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  display: inline-block;
  padding: 1rem 1rem 1rem 1.5rem;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 0.1em;
  color: #212529;

  border: 2px solid #000;
  border-radius: 0;
  background: #fff;

  margin-left: 0.7em;
  margin-right: 0.7em;
  margin-bottom: 10px;
}
.filter a:hover{
  color: #fff;
  background: #000;
}