@charset "utf-8";

/* コラムカード一覧 */
.column-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.column-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  color: #233750;
  text-decoration: none;
  height: 100%;
}

.column-card__thumb {
  display: block;
  width: 100%;
  aspect-ratio: 478 / 269;
  overflow: hidden;
  border: 2px solid #233750;
  border-radius: 10px;
  transition: opacity 0.3s ease;
}

.column-card__thumb:hover {
  opacity: 0.8;
}

.column-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.column-card__body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.column-card__date {
  font-size: 18px;
  line-height: 1.4;
  color: #233750;
  margin: 0 0 8px;
}

.column-card__title {
  font-size: 22px;
  line-height: 1.4;
  font-weight: normal;
  color: #233750;
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  /*! autoprefixer: ignore next */
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.column-card__title a {
  display: block;
  color: inherit;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.column-card__title a:hover {
  opacity: 0.8;
}

.column-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.column-card__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 16px;
  font-size: 16px;
  line-height: 1;
  color: #233750;
  border: 2px solid #233750;
  text-decoration: none;
  border-radius: 100px;
  white-space: nowrap;
  transition: background-color 0.3s, color 0.3s;
}

.column-card__tag:hover {
  background-color: #233750;
  color: #fff;
}

@media screen and (max-width: 767px) {
  .column-card__date {
    font-size: 16px;
  }

  .column-card__title {
    font-size: 20px;
  }

  .column-card__tag {
    font-size: 15px;
    height: 32px;
    padding: 0 14px;
  }
}

/* SP用カテゴリー（PCでは非表示） */
.column-cat-sp {
  display: none;
}

/* サイドバー レイアウト */
.sidebar--column {
  margin-bottom: 40px;
}

@media screen and (min-width: 769px) {
  .sidebar--column {
    width: var(--sidebar-width, 245px);
    flex-shrink: 0;
    margin-left: 40px;
  }

  .container--with-sidebar .main {
    flex: 1;
    width: auto;
  }
}

/* サイドバー カテゴリーウィジェット */
.sidebar-cat {
  border: 3px solid #233750;
  border-radius: 10px;
  background-color: #fff;
  padding: 32px 20px 32px;
}

.sidebar-cat__toggle {
  display: block;
  width: 100%;
  border: none;
  background: transparent;
  padding: 0;
  cursor: default;
  margin-bottom: 16px;
}

@media screen and (min-width: 769px) {
  .sidebar-cat__toggle {
    pointer-events: none;
  }
}

.sidebar-cat__title {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 6px 12px;
  margin: 0;
  font-size: 20px;
  line-height: 1.4;
  color: #fff;
  background-color: #233750;
  border-radius: 10px;
}

.sidebar-cat__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-cat__item {
  margin: 0;
}

.sidebar-cat__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 38px;
  color: #233750;
  font-size: 16px;
  text-decoration: none;
  border: 2px solid #233750;
  border-radius: 9999px;
  transition: background-color 0.3s, color 0.3s;
  position: relative;
}

.sidebar-cat__link::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 18px;
  transform: translateY(-50%);
  display: inline-block;
  flex-shrink: 0;
  width: 14px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath fill='%23233750' d='M0 80V229.5c0 17 6.7 33.3 18.7 45.3l176 176c25 25 65.5 25 90.5 0L418.7 317.3c25-25 25-65.5 0-90.5l-176-176c-12-12-28.3-18.7-45.3-18.7H48C21.5 32 0 53.5 0 80zm112 32a32 32 0 1 1 0 64 32 32 0 1 1 0-64z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
}

.sidebar-cat__link:not(.is-active):hover {
  background-color: #233750;
  color: #fff;
}

.sidebar-cat__link.is-active {
  background-color: #eeecce;
  color: #233750;
}

.sidebar-cat__link:not(.is-active):hover::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath fill='%23ffffff' d='M0 80V229.5c0 17 6.7 33.3 18.7 45.3l176 176c25 25 65.5 25 90.5 0L418.7 317.3c25-25 25-65.5 0-90.5l-176-176c-12-12-28.3-18.7-45.3-18.7H48C21.5 32 0 53.5 0 80zm112 32a32 32 0 1 1 0 64 32 32 0 1 1 0-64z'/%3E%3C/svg%3E");
}

/* PC：サイドバーコンテンツ常時表示 */
@media screen and (min-width: 769px) {
  .sidebar-cat__content {
    display: block !important;
    max-height: none !important;
  }
}

/* SP対応 */
@media screen and (max-width: 768px) {
  .column-cat-sp {
    display: block;
    margin-bottom: 24px;
  }

  .sidebar--column {
    display: none;
  }

  .column-list {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .column-card__thumb {
    aspect-ratio: 16 / 9;
  }

  /* SP時アコーディオン */
  .sidebar-cat {
    border: 3px solid #233750;
    border-radius: 5px;
    padding: 0;
    overflow: hidden;
  }

  .sidebar-cat__toggle {
    padding: 16px 26px 16px 16px;
    margin-bottom: 0;
    border: none;
    background-color: #233750;
    cursor: pointer;
    position: relative;
  }

  .sidebar-cat__title {
    background-color: transparent;
    color: #fff;
    font-size: 20px;
    padding: 0;
    min-height: auto;
    border-radius: 0;
    justify-content: flex-start;
  }

  /* トグルアイコン（＋／−） */
  .sidebar-cat__toggle::after {
    content: "";
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: #fff;
    background-image:
      linear-gradient(#233750, #233750),
      linear-gradient(#233750, #233750);
    background-repeat: no-repeat;
    background-position: center;
    background-size:
      16px 2px,
      2px 16px;
    transition: background-size 0.3s ease;
    position: absolute;
    top: 50%;
    right: 16px;
    transform: translateY(-50%);
    z-index: 1;
  }

  /* 開いた状態: 「−」（縦棒を消す） */
  .sidebar-cat__toggle.is-opened::after {
    background-size:
      16px 2px,
      2px 0;
  }

  /* CSSアコーディオン（max-height） */
  .sidebar-cat__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }

  .sidebar-cat__content.is-opened {
    max-height: 2000px;
  }

  .sidebar-cat__list {
    padding: 16px;
    background-color: #fff;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 9px;
  }

  .sidebar-cat__link {
    font-size: 16px;
    height: 36px;
    padding: 0 16px 0 38px;
  }

  .sidebar-cat__link::before {}
}

/* ---------------------------------------------------------
   single-column.php
--------------------------------------------------------- */
.section--column {
  border: 3px solid #233750;
  padding: 32px 44px 56px;
  background-color: #fff;
  border-radius: 10px;
}

@media screen and (max-width: 767px) {
  .section--column {
    padding: 19px 19px 42px;
    border-radius: 5px;
  }
}

.single-column-header {
  text-align: center;
  margin-bottom: 40px;
}

.single-column-header__title {
  font-size: clamp(20px, 4vw, 24px);
  color: #233750;
  line-height: 1.6;
  margin-bottom: 16px;
  font-weight: bold;
}

.single-column-meta {
  display: flex;
  gap: 16px;
  margin-top: 52px;
  margin-bottom: 15px;
}

.single-column-meta__date {
  font-size: 16px;
  color: #233750;
  padding-top: 5px;
}

.single-column-meta__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1;
}

@media screen and (max-width: 767px) {
  .single-column-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-top: 0;
    margin-bottom: 14px;
  }
}

.single-column-thumbnail {
  overflow: hidden;
  margin-bottom: 40px;
}

.single-column-thumbnail__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* この記事でわかること */
.column-learn {
  border: 2px solid #233750;
  border-radius: 8px;
  padding: 32px 24px 24px;
  position: relative;
  margin-bottom: 56px;
}

.column-learn__label {
  position: absolute;
  top: -16px;
  left: 22px;
  background-color: #fff;
  padding: 0 6px;
  font-size: 20px;
  color: #233750;
  font-weight: bold;
  line-height: 1.2;
}

.column-learn__body ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.column-learn__body li {
  position: relative;
  padding-left: 26px;
  font-size: 18px;
  color: #233750;
  line-height: 1.6;
}

.column-learn__body li::before {
  content: "";
  display: block;
  width: 16px;
  height: 16px;
  position: absolute;
  left: 0;
  top: 4px;
  background-color: transparent;
  border: 2px solid #cc3c4c;
  border-radius: 3px;
  box-sizing: border-box;
}

.column-learn__body li::after {
  content: "";
  display: block;
  width: 10px;
  height: 5px;
  border-left: 2px solid #cc3c4c;
  border-bottom: 2px solid #cc3c4c;
  transform: rotate(-45deg);
  position: absolute;
  left: 3px;
  top: 8px;
}

@media screen and (max-width: 767px) {
  .column-learn {
    padding: 20px 16px 16px;
    margin-bottom: 40px;
  }

  .column-learn__label {
    font-size: 18px;
    left: 16px;
    top: -13px;
    padding: 0 8px;
  }

  .column-learn__body li {
    font-size: 16px;
    line-height: 1.4;
  }
}

/* 目次 */
.column-toc {
  margin-bottom: 56px;
}

.column-toc__header {
  background-color: #233750;
  color: #fff;
  font-size: 20px;
  padding: 5px 16px;
  border-radius: 8px 8px 0 0;
  display: flex;
  align-items: center;
}

.column-toc__body {
  border: 2px solid #233750;
  border-top: none;
  border-radius: 0 0 8px 8px;
  padding: 24px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  transition: padding 0.3s ease;
}

.column-toc.is-closed .column-toc__body {
  padding-top: 24px;
  padding-bottom: 24px;
}

.column-toc__list-collapse {
  width: 100%;
  position: relative;
}

.column-toc__list-collapse::after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.column-toc.is-closed .column-toc__list-collapse::after {
  opacity: 1;
}

.column-toc__list-collapse-inner {
  max-height: 2000px;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.column-toc.is-closed .column-toc__list-collapse-inner {
  max-height: 120px;
}

.column-toc__footer {
  position: relative;
  z-index: 1;
  transition: margin-top 0.4s ease;
}

.column-toc.is-closed .column-toc__footer {
  margin-top: -30px;
}

.column-toc__list {
  width: 100%;
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  counter-reset: toc-counter;
}

.column-toc__toggle {
  min-width: 130px;
  background-color: #fff;
  border: 2px solid #233750;
  color: #233750;
  border-radius: 500px;
  padding: 2px 24px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color 0.3s, color 0.3s;
}

.column-toc__toggle:hover {
  background-color: #233750;
  color: #fff;
}

@media screen and (max-width: 767px) {
  .column-toc__toggle {
    min-width: 0;
  }
}

.column-toc__toggle::after {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  border-top: 2px solid #233750;
  border-right: 2px solid #233750;
  transform: rotate(-45deg);
  margin-top: 4px;
  margin-left: 5px;
  transition: border-color 0.3s;
}

.column-toc__toggle:hover::after {
  border-top-color: #fff;
  border-right-color: #fff;
}

.column-toc__toggle[aria-expanded="false"]::after {
  transform: rotate(135deg);
  margin-top: -4px;
}

.column-toc__item a {
  text-decoration: none;
  color: #233750;
  font-size: 18px;
  line-height: 1.6;
  transition: opacity 0.3s ease;
}

.column-toc__item a:hover {
  opacity: 0.8;
}

.column-toc__item--h2 {
  counter-increment: toc-counter;
  position: relative;
  padding-left: 24px;
}

.column-toc__item--h2::before {
  content: counter(toc-counter) ".";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 18px;
  line-height: 1.6;
  color: #233750;
}

.column-toc__item--h3 {
  position: relative;
  padding-left: 52px;
}

.column-toc__item--h3 a {
  font-size: 16px;
}

.column-toc__item--h3::before {
  content: "・";
  position: absolute;
  left: 28px;
  top: 0;
  font-size: 18px;
  line-height: 1.6;
  font-weight: bold;
  color: #233750;
}

@media screen and (max-width: 767px) {
  .column-toc {
    margin-bottom: 44px;
  }

  .column-toc__body {
    padding: 28px 16px;
  }

  .column-toc__item a {
    font-size: 16px;
  }

  .column-toc__item--h2::before {
    font-size: 16px;
  }

  .column-toc__item--h3 {
    padding-left: 36px;
  }

  .column-toc__item--h3 a {
    font-size: 14px;
  }

  .column-toc__item--h3::before {
    left: 14px;
    font-size: 16px;
  }
}

/* 記事本文コンテンツの装飾 (Visual Editor) */
.single-column-content,
body.mce-content-body {
  color: #233750;
  font-size: 16px;
  line-height: 1.8;
  display: flow-root;
}

.single-column-content>*:first-child,
body.mce-content-body>*:first-child {
  margin-top: 0 !important;
}

.single-column-content h2,
body.mce-content-body h2 {
  font-size: 24px;
  color: #233750;
  margin-top: 56px;
  margin-bottom: 24px;
  font-weight: bold;
  position: relative;
  padding-bottom: 12px;
  line-height: 1.6;
  clear: both;
}

.single-column-content h2::after,
body.mce-content-body h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background-color: #233750;
  border-radius: 9999px;
}

.single-column-content h3,
body.mce-content-body h3 {
  background-color: #e5e3df;
  /* orange/89 */
  color: #233750;
  font-size: 20px;
  border-radius: 10px;
  padding: 8px 16px;
  margin-top: 40px;
  margin-bottom: 16px;
  font-weight: bold;
  clear: both;
}

.single-column-content p,
body.mce-content-body p {
  margin-top: 0;
  margin-bottom: 1.8em;
}

/* 通常のリスト (UL / OL) */
.single-column-content ul:not([class]),
.single-column-content ol:not([class]),
body.mce-content-body ul:not([class]),
body.mce-content-body ol:not([class]) {
  margin: 0 0 1.8em 0;
  padding: 16px 16px 16px 32px;
}

.single-column-content ul:not([class]),
body.mce-content-body ul:not([class]) {
  list-style-type: disc;
}

.single-column-content ol:not([class]),
body.mce-content-body ol:not([class]) {
  list-style-type: decimal;
}

.single-column-content ul:not([class]) li,
.single-column-content ol:not([class]) li,
body.mce-content-body ul:not([class]) li,
body.mce-content-body ol:not([class]) li {
  margin-bottom: 8px;
  line-height: 1.8;
}

.single-column-content ul:not([class]) li:last-child,
.single-column-content ol:not([class]) li:last-child,
body.mce-content-body ul:not([class]) li:last-child,
body.mce-content-body ol:not([class]) li:last-child {
  margin-bottom: 0;
}

.single-column-content ul:not([class]) ul:not([class]),
.single-column-content ol:not([class]) ol:not([class]),
.single-column-content ol:not([class]) ul:not([class]),
.single-column-content ul:not([class]) ol:not([class]),
body.mce-content-body ul:not([class]) ul:not([class]),
body.mce-content-body ol:not([class]) ol:not([class]),
body.mce-content-body ol:not([class]) ul:not([class]),
body.mce-content-body ul:not([class]) ol:not([class]) {
  margin: 8px 0 0 0;
  padding: 0 0 0 24px;
  background-color: transparent;
  border-radius: 0;
}

/* 画像とキャプション */
.single-column-content img,
body.mce-content-body img {
  max-width: 100%;
  height: auto;
}

.single-column-content .alignnone,
body.mce-content-body .alignnone {
  margin: 16px 0;
}

.single-column-content .aligncenter,
body.mce-content-body .aligncenter {
  display: block;
  margin: 16px auto;
}

.single-column-content .alignright,
body.mce-content-body .alignright {
  float: right;
  margin: 0 0 16px 24px;
}

.single-column-content .alignleft,
body.mce-content-body .alignleft {
  float: left;
  margin: 0 24px 16px 0;
}

.single-column-content figure,
body.mce-content-body figure {
  margin: 16px 0;
}

.single-column-content .wp-caption,
body.mce-content-body .wp-caption {
  max-width: 100%;
  margin-bottom: 24px;
  text-align: center;
}

.single-column-content .wp-caption img,
body.mce-content-body .wp-caption img {
  display: block;
  margin: 0 auto 8px;
}

.single-column-content .wp-caption-text,
body.mce-content-body .wp-caption-text {
  font-size: 14px;
  color: #808080;
  text-align: center;
  margin: 0;
}

@media screen and (max-width: 767px) {

  .single-column-content .alignright,
  .single-column-content .alignleft,
  body.mce-content-body .alignright,
  body.mce-content-body .alignleft {
    float: none;
    margin: 16px auto;
    display: block;
  }
}

/* テーブル (表組) */
.single-column-content table,
body.mce-content-body table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 40px;
  margin-bottom: 2em;
  border-top: 2px dotted #233750 !important;
  border-bottom: 2px dotted #233750 !important;
  border-left: none !important;
  border-right: none !important;
}

@media screen and (max-width: 767px) {

  .single-column-content h2,
  body.mce-content-body h2 {
    font-size: 20px;
    margin-top: 40px;
    margin-bottom: 16px;
  }

  .single-column-content h3,
  body.mce-content-body h3 {
    font-size: 18px;
    border-radius: 8px;
    margin-top: 32px;
  }
}

.single-column-content th,
.single-column-content td,
body.mce-content-body th,
body.mce-content-body td {
  padding: 16px;
  border-top: none !important;
  border-bottom: 2px dotted #233750 !important;
  border-left: none !important;
  border-right: none !important;
  color: #233750;
  vertical-align: middle;
}

.single-column-content tbody tr:last-child th,
.single-column-content tbody tr:last-child td,
body.mce-content-body tbody tr:last-child th,
body.mce-content-body tbody tr:last-child td {
  border-bottom: none !important;
}

.single-column-content th,
body.mce-content-body th {
  background-color: #f2f2f2;
  font-weight: normal;
  text-align: left;
}

/* あわせて読みたい (Shortcode) */
.related-article-embed {
  margin: 0 0 40px;
  position: relative;
}

.related-article-embed__label {
  position: absolute;
  top: -14px;
  left: 0;
  background-color: #cc3c4c;
  color: #fff;
  font-size: 16px;
  font-weight: normal;
  padding: 4px 16px;
  border-radius: 10px;
  z-index: 1;
}

.related-article-embed__link {
  display: flex;
  background-color: #f2f2f2;
  border-radius: 8px;
  padding: 24px;
  gap: 24px;
  align-items: center;
}

.related-article-embed__img {
  display: block;
  width: 240px;
  flex-shrink: 0;
  overflow: hidden;
  transition: opacity 0.3s ease;
}

.related-article-embed__img:hover {
  opacity: 0.8;
}

.related-article-embed__img-element {
  width: 100%;
  height: auto;
}

.related-article-embed__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.related-article-embed__meta {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 8px;
}

.related-article-embed__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.related-article-embed__date {
  font-size: 16px;
  color: #233750;
  line-height: 1.8;
}

.related-article-embed__tag {
  display: inline-block;
  background-color: #fff;
  border: 2px solid #233750;
  color: #233750;
  border-radius: 100px;
  padding: 4px 18px;
  font-size: 15px;
  text-align: center;
  line-height: 1.2;
}

p.related-article-embed__title {
  font-size: 18px;
  font-weight: bold;
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  /*! autoprefixer: ignore next */
  -webkit-box-orient: vertical;
  overflow: hidden;
}

p.related-article-embed__title a {
  display: block;
  color: inherit;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

p.related-article-embed__title a:hover {
  opacity: 0.8;
}

p.related-article-embed__desc {
  font-size: 16px;
  color: #233750;
  line-height: 1.8;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  /*! autoprefixer: ignore next */
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media screen and (max-width: 767px) {
  p.related-article-embed__title {
    -webkit-line-clamp: 1;
    line-clamp: 1;
  }

  .related-article-embed__label {
    top: -13px;
    left: 16px;
    padding: 1px 16px;
  }

  .related-article-embed__link {
    flex-direction: column;
    padding: 26px 16px 16px;
    gap: 16px;
    align-items: stretch;
  }

  .related-article-embed__img {
    width: 100%;
    height: auto;
  }
}

/* 記事のライター情報 */
.column-writer {
  background-color: #ffffff;
  border: 1px solid #808080;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 56px;
}

.column-writer__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.column-writer__img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background-color: #ddd;
}

.column-writer__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.column-writer__info {
  display: flex;
  flex-direction: column;
}

.column-writer__label {
  font-size: 14px;
  color: #808080;
  line-height: 1.8;
  font-weight: normal;
}

.column-writer__name {
  font-size: 18px;
  color: #233750;
  line-height: 1.8;
  font-weight: normal;
}

p.column-writer__desc {
  font-size: 16px;
  color: #233750;
  line-height: 1.8;
  margin: 0;
}

@media screen and (max-width: 767px) {
  .column-writer {
    padding: 24px;
    margin-bottom: 40px;
  }
}

/* 関連記事セクション */
.related-columns {}

.related-columns__title {
  font-size: 24px;
  color: #233750;
  margin-bottom: 24px;
  font-weight: bold;
}

.column-list--related {
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 0;
}

.column-list--related .column-card__date {
  font-size: 14px;
}

@media screen and (max-width: 768px) {
  .column-list--related {
    grid-template-columns: 1fr;
  }
}

.single-column-footer {
  margin-top: 40px;
  text-align: center;
}

/* ページヘッダー(単一コラム用上書き) */
.page-header--column {
  background-image: none;
  height: auto;
  padding: 140px 0 89px;
}

.page-header--column:before {
  display: none;
}

@media (max-width: 768px) {
  .page-header--column {
    padding: 96px 16px 80px;
  }
}