/*
Theme Name: twp_theme child
Template: twp_theme
Description: twp_theme の子テーマ。コラム単体ページ末尾の「新着コラム」ブロックと /columns/ 一覧のためのスタイルのみを追加する。親テーマは一切変更しない。
Version: 1.0.0
*/

/* ===== 新着コラム（コラム単体ページ末尾）===== */
.recent_columns {
  margin: 48px auto 0;
  padding-top: 32px;
  border-top: 1px solid #e3e3e3;
}
.recent_columns h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 20px;
  letter-spacing: .04em;
}
.recent_columns ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.recent_columns li {
  margin: 0;
  padding: 0;
}
.recent_columns li a {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: opacity .2s ease;
}
.recent_columns li a:hover {
  opacity: .7;
}
.recent_columns .recent_columns_thumb {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #f2f2f2;
  border-radius: 4px;
}
.recent_columns .recent_columns_thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.recent_columns .recent_columns_title {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.6;
}
.recent_columns_more {
  margin: 24px 0 0;
  text-align: right;
}
.recent_columns_more a {
  display: inline-block;
  font-size: 14px;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

/* ===== コラム一覧（/columns/）===== */
.columns_archive {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 16px 80px;
}
.columns_archive .archive_title {
  font-size: 26px;
  font-weight: 700;
  text-align: center;
  margin: 0 0 40px;
  letter-spacing: .06em;
}
.columns_archive_list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}
.columns_archive_list li {
  margin: 0;
  padding: 0;
}
.columns_archive_list li a {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: opacity .2s ease;
}
.columns_archive_list li a:hover {
  opacity: .7;
}
.columns_archive_thumb {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #f2f2f2;
  border-radius: 4px;
}
.columns_archive_thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.columns_archive_title {
  display: block;
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 500;
}
.columns_archive_date {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: #888;
}
.columns_archive .pagination,
.columns_archive .navigation {
  margin-top: 48px;
  text-align: center;
}

/* ===== トップページ「オフィスコラム」ブロックの一覧リンク ===== */
.column_list_more {
  text-align: center;
  margin: 8px auto 72px;
}
.column_list_more a {
  display: inline-block;
  padding: 12px 40px;
  font-size: 15px;
  letter-spacing: .08em;
  text-decoration: none;
  color: #fff;
  background: #1a1a1a;
  border: 1px solid #1a1a1a;
  border-radius: 2px;
  transition: opacity .2s ease, background .2s ease, color .2s ease;
}
.column_list_more a:hover {
  opacity: 1;
  background: #fff;
  color: #1a1a1a;
}

/* ===== モバイル ===== */
@media screen and (max-width: 767px) {
  .recent_columns ul {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .recent_columns h2 {
    font-size: 18px;
  }
  .columns_archive_list {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .columns_archive .archive_title {
    font-size: 22px;
  }
}
@media screen and (max-width: 479px) {
  .recent_columns ul,
  .columns_archive_list {
    grid-template-columns: 1fr;
  }
}