@charset "utf-8";
/*--------------------------------------------------
  Archive
--------------------------------------------------*/

body {
  background: #00000;
}
img {
  border: none;
}
ul, li {
  list-style: none;
  margin: 0;
  padding: 0;
}
#archive {
  text-align: center;
}
#archive .archivelist {
  width: 840px;
  margin: 0 auto;
  padding-top: 35px;
  
  display: flex;
  flex-wrap: wrap;
}
.archivelist__item {
  background-repeat: no-repeat;
  background-size: 100% auto;
  margin-right: 10px;
  width: 160px;
}
.archivelist__item:last-child {
  margin-right: 0;
}
.archivelist__item.y2011 {
  background-image: URL(../images/archive/thum2011_on.jpg);
}
.archivelist__item.y2012 {
  background-image: URL(../images/archive/thum2012_on.jpg);
}
.archivelist__item.y2013 {
  background-image: URL(../images/archive/thum2013_on.jpg);
}
.archivelist__item.y2014 {
  background-image: URL(../images/archive/thum2014_on.jpg);
}
.archivelist__item.y2015 {
  background-image: URL(../images/archive/thum2015_on.jpg);
}
.archivelist__item.y2016 {
  background-image: URL(../images/archive/thum2016_on.jpg);
}
.archivelist__item.y2017 {
  background-image: URL(../images/archive/thum2017_on.jpg);
}
.archivelist__item.y2018 {
  background-image: URL(../images/archive/thum2018_on.jpg);
}
.archivelist__item.y2019 {
  background-image: URL(../images/archive/thum2019_on.jpg);
}
.archivelist__item.y2020 {
  background-image: URL(../images/archive/thum2020_on.jpg);
}
.archivelist__item__anchor {
  display: block;
}
.archivelist__item__anchor:hover {
  background-color: transparent;
  background-image: none;
}
.archivelist__item__anchor:hover img {
  visibility: hidden;
}
.archivelist__item__anchor img {
  width: 100%;
}