.archive_wrapper{
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.archive_wrapper .archive_content{
  width: 100%;
}
.archive_wrapper .archive_sidebar{
  width: 100%;
}

.archive_wrapper .archive_sidebar h3{
  font-size: 1.6rem;
  border-bottom: 1px solid #969696;
  padding-bottom: 5px;
  margin-bottom: 20px;
}

.archive_wrapper .archive_sidebar ul{
  margin-bottom: 30px;
}

.archive_wrapper .archive_sidebar ul li{
  position: relative;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.archive_wrapper .archive_sidebar  li a{
  width: 100%;
  display: inline-block;
}

.archive_sidebar ul li::after{
  content: '';
  width: 7px;
  height: 7px;
  border-top: 2px solid #3F2E18;
  border-right: 2px solid #3F2E18;
  transform: rotate(45deg) translateY(-50%);
  position: absolute;
  top: 50%;
  right: 10px;
  border-radius: 1px;
  transition: 0.3s ease-in-out;
}

.archive_wrapper .archive_sidebar ul li:last-of-type{
  margin-bottom: 0;
}

.archive-select-form {
  width: 100%;
  margin: 0 0 20px;
  position: relative;
}

.archive-select-form select {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 38px 10px 12px;
  border: 1px solid #333;
  border-radius: 3px;
  font-size: 1.4rem;
  color: #333;
  background: #fff url('data:image/svg+xml;charset=UTF-8,<svg width="16" height="16" xmlns="http://www.w3.org/2000/svg"><polygon points="4,6 8,10 12,6" style="fill:%23333"/></svg>') no-repeat right 12px center/18px 18px;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
}

.archive-select-form option {
  color: #4B4743;
}

@media screen and (min-width: 768px) {
  .archive_wrapper{
    flex-direction: row;
  }

  .archive_wrapper .archive_content{
    width: 73%;
  }

  .archive_wrapper .archive_sidebar{
    width: 23%;
  }

  .archive-select-form {
    max-width: 300px;
    margin: 0 auto;
  }
}

.column_list {
  display: grid;
  grid-template-columns: repeat( 1, 1fr);
  gap: 32px 20px;
  margin-bottom: 30px;
}

.column_item {
  border-radius: 20px;
  box-shadow: 0 2px 8px #e4e4e4;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 0;
  transition: box-shadow 0.2s;
}

.column_item a {
  color: inherit;
  display: block;
  height: 100%;
  text-decoration: none;
}

.column_item a:hover{
  color: #3f2e18c4;
  transition: 0.3s ease-in-out;
}
  
.column_thumb {
  width: 100%;
  aspect-ratio: 4/3;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px 18px 0 0;
  overflow: hidden;
}

.column_thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #fff;
  transition: all 0.3s ease-in-out;
}

.column_item:hover .column_thumb img {
  transform: scale(1.08);
}

.column_body {
  padding: 20px 18px 18px 18px;
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 0 0 20px 20px;
}

.column_ttl{
  font-size: 1.4rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 2.8em;
  margin-bottom: 5px;
}

.column_tags{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}
.column_tags .column_tag{
  display: inline-block;
  background-color: #61BB7C;
  border-radius: 5px;
  color: #fff;
  font-weight: bold;
  font-size: 1.1rem;
  padding: 4px 14px;
  letter-spacing: 1px;
  box-shadow: 0 1px 2px #e4e4e4;
}

.column_date {
  font-size: 1.1rem;
  color: #777;
  margin-top: 4px;
  margin-bottom: 0;
  letter-spacing: 1px;
}

@media screen and (min-width: 500px) {
  .column_list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 20px;
    margin-bottom: 30px;
  }
}

@media screen and (min-width: 768px) {
  .column_ttl {
    font-size: 1.6rem;
    -webkit-line-clamp: 2;
    min-height: 3.2em;
    margin-bottom: 5px;
  }
}