@charset "UTF-8";

@media screen and (min-width: 1200px) {
 #gNavi{
  max-width: 900px;
 }
}

#column_block {
  width: 94%;
  max-width: 1260px;
  margin: 0 auto;
  display: flex;
  flex-flow: row wrap;
  gap: 80px 4%;
}
#column_main {
  width: 72%;
}
#column_main .main-text img{
  max-width: 100%;
  height: auto;
}
#column_side {
	width: 24%;
}
@media(max-width: 1120px){
#column_main,
#column_side {
  width: 100%;
}
}
.column_category{
  display: inline-block;
  border-radius: 23px;
  border: 1px var(--basegr) solid;
  background: var(--basegr);
  /* min-width: 10em; */
  padding: 0 1em;
  color: #fff;
  line-height: 26px;
  font-size: 13px;
  text-align: center;
  letter-spacing: 0;
}
/* コラム一覧 */
.column_list{
  display: flex;
  flex-flow: row wrap;
  gap: 30px 2%;

  & article {
    width: 100%;
    min-height: 350px;
    position: relative;
    z-index: auto;

    & a {
      display: block;
      background-color: #fff;
      border: 1px solid #dfdfdf;
      &:hover {
        border-color: #19688d;

        .column_image img {
          transform: scale(1.1);
        }
      }
      
    }

      dl{
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        height: 100%;
        padding: 0 0 15px;
        gap: 15px;
      }
    .column_date {
      position: absolute;
      top: 0;
      left: 0;
      font-size: 14px;
      color: #fff;
      padding: 3px 10px;
      background: #19688d;
      z-index: 10;
    }

    .column_image {
      width: 100%;
      text-align: center;
      overflow: hidden;
      aspect-ratio: 4 / 3;

      & img {
        object-fit: cover;
        width: 100%;
        height: 100%;
        position: relative;
        z-index: 1;
        transition: all 0.2s linear;
      }
    }

    .column_title {
      font-size: 16px;
      text-align: left;
      letter-spacing: 0.05em;
      color: #63636d;
      padding: 0 15px;
      line-height: 1.4;
      min-height: 2.8em;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    }

    .column_category-area {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 0 15px;
    }
  }
}
@media(min-width:769px){
.column_list{
  & article {
    width: 32%;
}
}
}
/* コラム詳細 */
.column_article hgroup{
  margin-bottom: 30px;
}

.column_article hgroup h2{
 border-bottom: 1px #E4E6EC solid;
 padding: 0 0 20px;
 margin: 10px 0 20px;
 font-size: 26px;
 font-weight: 700;
 text-align: left;
}
.column_article hgroup .date{
 color: #999999;
 font-size: 14px;
 text-align: right;
}


#column_main h3{
  font-size: 24px;
  font-weight: 700;
  color: var(--basegr);
  margin: 2em 0 1em;
}
#column_main h4{
  font-size: 20px;
  font-weight: 700;
  color: #141414;
  margin: 2em 0 1em;
}
.table-of-contents{
  width: 80%;
  margin: 60px auto ;
  box-shadow: 0 3px 20px rgba(0,0,0,0.16);
  background: #fff;
  padding: 20px;
}
 .toc-title{
  text-align: center;
  font-weight: bold;
  font-size: 18px;
  margin: 0 0 20px;
 }
  .table-of-contents ul li{
    border-bottom: dashed 1px #ccc;
    padding: 10px 20px;
    position: relative;
    z-index: auto;
  }
  .table-of-contents ul li a{
      font-size: 16px;
      display: block;
      padding: 0 15px;
      position: relative;
    line-height: 1.4;
    }
    .table-of-contents ul li a:hover{
        opacity: .7;
      }
    .table-of-contents ul li a::before{
        content: "";
        display: inline-block;
        position: absolute;
        top: 50%;
        left: 0;
        transform: translateY(-50%);
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background-color: var(--basegr);
      }

.content-block{
        /* border-bottom: solid 1px #E4E6EC; */
        padding: 30px 0;
      }
.content-area a{
  text-decoration: underline;
  color: #19688d;
  &:hover{
    opacity: .7;
  }
}

.column-navigation {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.nav-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}
@media (max-width: 768px) {
  .table-of-contents{
    width: 90%;
    margin: 30px auto ;
  }
  .table-of-contents ul li{
    padding: 10px 0;
  }

  .nav-links {
    flex-direction: column;
  }
  .nav-previous{
    order: 1;
  }
  .nav-next{
    order: 2;
  }
  .nav-archive{
    order: 3;
  }
}
.nav-previous, .nav-next {
    flex: 1;
}

.nav-previous a, .nav-next a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #333;
    gap: 15px;
}

.nav-next a {
    justify-content: flex-end;
    text-align: right;
}

.nav-thumb img {
    min-width: 80px;
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
}

.nav-label {
    display: block;
    font-size: 0.8rem;
    color: #999;
    font-weight: bold;
}

.nav-title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: bold;
    /* 長すぎるタイトルを省略する場合 */
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.nav-archive a {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #666;
    min-width: 100px;
}

/* スマホ対応 */
@media (max-width: 768px) {
    .nav-archive-text { font-size: 0.8rem; }
}

/* コラムサイドナビ */
#column_side{
  display: flex;
  flex-flow: column wrap;
  gap:40px;
  a:hover{
    opacity: .7;
  }
  dl{
    dt{
      border-bottom:solid 1px #E4E6EC;
      padding: 0 0 10px;
      margin: 0 0 10px;
      font-size: 16px;
      font-weight: 700;
      text-align: left;
    }
  }
  .column_side_category{
    dd{
      padding:10px;
    }
    
    a::before{
      content: "";
      display: inline-block;
      background-color:#19688d;
      width: 6px;
      height: 10px;
      clip-path: polygon(0% 0%, 100% 50%, 0% 100%);
      margin-right: 10px;
      position: relative;
      vertical-align: middle;
    }
  }
  .side-post-list{
    li{
      margin-bottom: 10px;
      a{
        display: flex;
        flex-flow: row nowrap;
        align-items: center;
      background-color: #fff;
      border: 1px solid #dfdfdf;
      }
      .side_post_image{
        width: 30%;
        height: auto;
        overflow: hidden;
        aspect-ratio: 1/1;
        img{
          object-fit: cover;
          width: 100%;
          height: 100%;
        }
      }
      .side_post_text{
        width: 70%;
        padding: 10px;
      }
      .side_post_date{
        font-size: 12px;
        color: #999999;
        display: block;
        line-height: 1;
        margin-bottom: 5px;
      }
      .side_post_title{
        font-size: 14px;
        color: #63636d;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
        text-overflow: ellipsis;
        line-height: 1.2;
      }
    }
  }
}