.single{
  padding-top: 10vh;
}

.single_body {
  font-size: 1.6rem;
  line-height: 1.8;
}

.single_body p {
  margin-bottom: 1.6rem;
}

.single_body h2 {
  font-size: 2rem;
  line-height: 1.4;
  font-weight: bold;
  border-bottom: 1px dashed #969696;
  padding-bottom: 15px;
  margin-top: 50px;
  margin-bottom: 20px;
}

.single_body h3{
  font-size: 1.8rem;
  line-height: 1.4;
  font-weight: bold;
  margin-top: 30px;
  margin-bottom: 15px;
}
.single_body h4{
  font-size: 1.6rem;
  margin-bottom: 1rem;
  line-height: 1.4;
  font-weight: bold;
}

.single_body ul,
.single_body ol {
  margin: 1.5rem 0;
  padding-left: 1.5em;
  padding-left: 1.5em;
}

.single_body li {
  margin-bottom: 0.5em;
  list-style: disc;
}

.single_body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 2em auto;
}

.single_body blockquote {
  margin: 2em 0;
  padding: 1em 1.5em;
  background-color: #f5f5f5;
  border-left: 5px solid #ccc;
  font-style: italic;
}

.single_body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2em 0;
}

.single_body th,
.single_body td {
  border: 1px solid #ccc;
  padding: 0.8em;
  text-align: left;
}

.single_body a {
  color: #336699;
  text-decoration: underline;
}

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

.single_wrapper .single_content{
  width: 100%;
  margin-bottom: 50px;
}

.single_date{
  font-size: 1.2rem;
  margin-bottom: 3px;
}

.single_title{
  font-size: 1.8rem;
  border-bottom: 1px dashed #969696;
  padding-bottom: 5px;
  margin-bottom: 15px;
}

.single_body p{
  font-size: 1.6rem;
}

.single_wrapper .single_content .more_btn{
  margin-top: 80px;
}

.single_wrapper .single_content .single_article .img_wrapper{
  margin-bottom: 30px;
}

.single_wrapper .single_content .single_article .img_wrapper img{
  width: 100%;
  height: auto !important;
  object-fit: contain; /* または 'cover' に変更して調整 */
  display: block;
}

.single_wrapper .archive_sidebar{
  width: 100%;
}

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

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

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

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

.single_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,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='14'%20height='14'%3E%3Cpolygon%20points='4,6%208,10%2012,6'%20fill='%23333'/%3E%3C/svg%3E") no-repeat right 12px center;
  background-size: 16px 16px;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
}

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

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

  .single_wrapper .single_content{
    width: 73%;
    margin-bottom: 0;
  }

  .single_title{
    font-size: 2rem;
    margin-bottom: 30px;
  }

  .single_wrapper .archive_sidebar{
    width: 23%;
  }

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