/* =========================
    column
  ========================== */
.page-column-single {
  padding: 5rem 0;
}

.page-column-single__inner {
  max-width: 800px;
  margin-inline: auto;
  padding-inline: 1rem;
}

.breadcrumb {
  margin-bottom: 2rem;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  font-size: var(--fz-small-text);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
}

.breadcrumb__item:not(:last-child)::after {
  content: ">";
  margin-left: 0.5rem;
}

.page-column-single__article {
  display: flex;
  flex-direction: column;
}

.page-column-single__meta {
  margin-bottom: 1rem;
  font-size: var(--fz-small-text);
  line-height: var(--lh-xs);
}

.page-column-single__category {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.375rem 1rem;
  border-radius: 6px;
  background: var(--color-background);

}

.page-column-single__meta time:first-child {
  margin-right: 0.75rem;
}

.page-column-single__title {
  margin-bottom: 2rem;
  font-size: var(--fz-h2-ja);
  font-weight: var(--fw-bold);
  line-height: var(--lh-body);
}

.page-column-single__thumbnail {
  margin-bottom: 3rem;
}

.page-column-single__thumbnail img {
  width: 100%;
  height: auto;
  display: block;
}

.page-column-single__content {
  margin-bottom: 4rem;
}

.page-column-single__content>*+* {
  margin-block-start: 1.5rem;
}

.page-column-single__content>h2 {
  margin-block-start: 5rem;
  margin-block-end: 2rem;
  padding: 0.3rem 0 0.3rem 1.125rem;
  background-image: linear-gradient(var(--color-main) 50%,
      var(--color-dark) 50%);
  background-size: 0.6rem 100%;
  background-repeat: no-repeat;
  font-size: var(--fz-h3-ja);
  line-height: var(--lh-heading);
  font-weight: var(--fw-bold);
}

.page-column-single__content>h3 {
  margin-block-start: 3rem;
  margin-block-end: 1.25rem;
  padding: 0.6rem 1rem 0.4rem;
  border-top: 2px solid var(--color-main);
  border-bottom: 2px solid var(--color-main);
  font-size: var(--fz-h4-ja);
  line-height: var(--lh-heading);
  font-weight: var(--fw-bold);
}

.page-column-single__content>h4 {
  font-size: 18px;
  font-weight: var(--fw-bold);
}


.page-column-single .card__title,
.page-column-single .card__tag,
.page-column-single .btn__text {
  color: var(--color-text);
}

.page-column-single .card__tag {
  background: var(--color-background);
}

.page-column-single .related-posts .card__date {
  display: none;
}

/* リスト */
/* ==========================
   リスト共通
========================== */
.wp-block-list {
  margin-top: 2rem;
  padding: 1.5rem 2rem;
  background: var(--color-background);
}

.wp-block-list li {
  line-height: 1.8;
}

.wp-block-list li:not(:last-child) {
  margin-bottom: 0.75rem;
}

/* ==========================
   UL
========================== */
ul.wp-block-list {
  list-style: none;
}

ul.wp-block-list li {
  position: relative;
  padding-left: 1.5rem;
}

ul.wp-block-list li::before {
  content: "";
  position: absolute;
  left: 0.5rem;
  top: calc(0.7em - 1px);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-main);
}

/* ==========================
   OL
========================== */
ol.wp-block-list {
  list-style: decimal;
  padding-left: 3rem;
}

ol.wp-block-list li {
  padding-left: 0;
}

ol.wp-block-list>li::before {
  display: none !important;
}

/* 画像 */
.page-column-single__content img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 1rem;
}

.page-column-single__content figure {
  margin: 3rem 0;
}

.page-column-single__content figcaption {
  margin-top: 0.75rem;
  text-align: center;
  font-size: var(--fz-small-text);
  color: #777;
}

/* 引用 */
.page-column-single__content blockquote {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--color-background);
  border-left: 4px solid var(--color-main);
  border-radius: 0.5rem;
}

.page-column-single__content blockquote p {
  margin: 0;
}

/* ==========================
   テーブル
========================== */
.page-column-single__content .wp-block-table {
  margin: 2rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-column-single__content .wp-block-table table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.page-column-single__content .wp-block-table th,
.page-column-single__content .wp-block-table td {
  padding: 1rem;
  border: 1px solid #e5e5e5;
  line-height: 1.8;
  text-align: left;
  vertical-align: middle;
}

.page-column-single__content .wp-block-table th {
  background: var(--color-background);
  font-weight: 700;
}

.page-column-single__content .wp-block-table tbody tr:nth-child(even) {
  background: #fafafa;
}

.page-column-single__content .wp-block-table thead {
  border-bottom: none;
}

/* スマホ */
@media (max-width: 767px) {

  .page-column-single__content .wp-block-table th,
  .page-column-single__content .wp-block-table td {
    padding: 0.75rem;
  }
}

/* link */
.page-column-single__content a {
  color: var(--color-main);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}


/* 区切り線 */
.page-column-single__content hr {
  margin: 4rem 0;
  border: none;
  border-top: 1px solid #ddd;
}


/* =========================
    related-posts
========================== */
.related-posts {
  margin-top: 5rem;
}

/* =========================
    目次
========================== */
/* 目次のリンク用 */
h2,
h3 {
	scroll-margin-top: 120px;
}

.toc {
	position: relative;
	padding: 1.5rem 1rem;
	border-radius: 18px;
	border: 1px solid #eee;
	margin-top: 4rem;
}

.toc__title {
	font-weight: var(--fw-bold);
	font-size: 1rem;
	letter-spacing: 0.06em;
	margin-bottom: 14px;
	position: relative;
	padding-left: 12px;
}

.toc__title::before {
	content: "";
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 4px;
	height: 16px;
	background: var(--color-main);
}

.toc__list {
	display: flex;
	flex-direction: column;
	gap: 10px;
	margin: 0;
	padding: 0;
	list-style: none;
	max-height: 220px;
	overflow: hidden;
	transition: max-height .4s ease;

	/* グラデーション部分 */
	mask-image: linear-gradient(
		to bottom,
		#000 0%,
		#000 70%,
		transparent 100%
	);
	-webkit-mask-image: linear-gradient(
		to bottom,
		#000 0%,
		#000 70%,
		transparent 100%
	);
}

.toc.is-open .toc__list {
	mask-image: none;
	-webkit-mask-image: none;
}

.toc__item a {
	display: block;
	padding: 2px 8px;
	text-decoration: none;
	color: #333;
	font-size: 14px;
	line-height: 1.6;
	transition: background .2s ease, transform .2s ease;
}

.toc__item a:hover {
	background: #f5f5f5;
	transform: translateX(4px);
}

.toc__item--h3 a {
	padding-left: 28px;
	font-size: 13px;
	color: #555;
	position: relative;
}

.toc__item--h3 a::before {
	content: "";
	position: absolute;
	left: 14px;
	top: 50%;
	transform: translateY(-50%);
	width: 4px;
	height: 4px;
	border-radius: 50%;
	background: #999;
}

.toc__toggle {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: .5rem;
	width: fit-content;
	margin: 1rem 0;
	padding: .8rem 1.4rem;
	border: 1px solid #ddd;
	border-radius: 999px;
	background: #fff;
	color: #333;
	font-size: .875rem;
	font-weight: var(--fw-bold);
	cursor: pointer;
	transition: .2s ease;
}

.toc__toggle:hover {
	border-color: var(--color-main);
	color: var(--color-main);
}

.toc__toggle::after {
	content: "";
	width: .45rem;
	height: .45rem;
	border-right: 2px solid currentColor;
	border-bottom: 2px solid currentColor;
	transform: rotate(45deg);
	transition: transform .2s ease;
}

.toc.is-open .toc__toggle::after {
	transform: rotate(-135deg);
}