/* ============================================================
   Education Single Article — edu-single-
   ============================================================ */

/* ── Layout override ──────────────────── */

.education-single .td-page-body {
  display: grid;
  grid-template-columns: 1fr 316px;
  gap: var(--space-lg);
  align-items: start;
  padding-bottom: var(--space-xl);
}

.education-single .td-page-body aside {
  align-self: stretch;
}

@media (max-width: 767px) {
  .education-single .td-page-body {
    grid-template-columns: 1fr;
  }
  .education-single .td-page-body aside {
    display: block;
    align-self: auto;
  }
  .education-single .td-page-title {
  font-size: var(--text-lg);
  }
}

/* Hero: shared across education single-article pages */
.edu-single-hero {
  position: relative;
  min-height: 150px;
  background-image: url('/assets/images/common/page_hero.webp');
  background-color: var(--color-bg-light);
  background-size: auto 100%;
  background-position: right center;
  background-repeat: no-repeat;
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 767px) {
  .edu-single-hero {
  min-height: 0;
  margin-top: var(--space-xs);
  }
}

.edu-single-hero h1{
  text-wrap: inherit;
}

/* Breadcrumb: truncate long article title */
.education-single .td-breadcrumb {
  flex-wrap: nowrap;
}

.education-single .td-breadcrumb__current {
  overflow: hidden;
  white-space: nowrap;
}

@media (max-width: 767px) {
  .education-single .td-breadcrumb__current {
    text-overflow: ellipsis;
    max-width: 25ch; /* overflowする文字数 */
  }
}

@media (max-width: 320px) {
  .education-single .td-breadcrumb__current {
    max-width: 18ch;
  }
}


/* ── Meta row (tags + date) ──────────────────── */

.edu-single-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.edu-single-meta__tags {
  display: flex;
  gap: var(--space-xs);
}

.edu-single-tag {
  display: inline-block;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

/* ── Article card ──────────────────── */

.edu-single-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-lg) var(--space-xl) var(--space-lg);
}

.edu-single-card__visual {
  margin-bottom: var(--space-sm);
}

.edu-single-card__visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}

.edu-single-meta__date {
  font-size: var(--text-body);
  color: var(--color-text-sub);
  text-align: right;
  margin-bottom: var(--space-md);
}

/* l-one-col's default h2 is large + primary-colored; this page's case
   heading should stay the smaller dark-text style from the design */
.edu-single-card .wp-block-heading {
  color: var(--color-text-dark);
  letter-spacing: 0.01em;
}

.edu-single-card h2 {
  margin-top: var(--space-lg);
  padding-bottom: var(--space-sm);
  font-size: clamp(1.375rem, 2vw, 1.75rem);
}

.edu-single-card *:not(h2) + p {
  margin-top: var(--space-md);
}

.edu-single-card figure + p {
  margin-top: var(--space-sm);
}

.edu-single-card .wp-block-image + p {
  margin-top: var(--space-xs);
}

.edu-single-card p + .wp-block-columns {
  margin-top: var(--space-md);
}

.edu-single-card .wp-block-columns + .wp-block-columns {
    margin-top: var(--space-md);
}

/* ガタつき対策：カラム内の高さを統一（JavaScript で動的に設定） */
.edu-single-card .wp-block-columns {
  align-items: stretch;
}

.edu-single-card .wp-block-column {
  display: flex;
  flex-direction: column;
}

.edu-single-card .wp-block-image {
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.edu-single-card .wp-block-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* 画像が見切れるのを防ぐなら contain */
  display: block;
}

.edu-single-card .wp-block-column > .wp-block-paragraph {
  flex: 1;
}

/* ── Sidebar ──────────────────── */

.edu-single-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.edu-single-sidebar__label {
  font-size: var(--text-lg);
  color: var(--color-text-dark);
  margin-top: 6px;
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

/* Author box */
.edu-single-author {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  text-align: center;
}

.edu-single-author__photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--color-text);
  margin: 0 auto var(--space-sm);
}

.edu-single-author__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.edu-single-author__name {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-text-dark);
  line-height: var(--leading-tight);
}

.edu-single-author__clinic {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: underline;
  margin-top: var(--space-xs);
}

.edu-single-author__clinic:hover {
  opacity: 0.75;
}

.edu-single-author__location {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: var(--leading-normal);
  margin-top: var(--space-xs);
}

/* Related products */
.edu-single-products {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.edu-single-product-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  text-decoration: none;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.edu-single-product-row:hover {
  border-color: var(--color-border-ruminous);
  box-shadow: 0 0 8px rgba(27, 143, 203, 0.5);
}

.edu-single-product-row__thumb {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  overflow: hidden;
}

.edu-single-product-row__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.edu-single-product-row__name {
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: underline;
  line-height: var(--leading-tight);
}

/* ── Related articles ──────────────────── */

.edu-single-related {
  width: min(var(--container-max), 100% - var(--container-pad) * 2);
  margin-inline: auto;
  padding-top: var(--space-sm);
  padding-bottom: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.edu-single-related__heading {
  font-size: var(--text-xl);
  font-weight: var(--font-medium);
  color: var(--color-text-dark);
  margin-bottom: var(--space-md);
}

.edu-single-article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.edu-single-article-card {
  border: 1px solid var(--color-border-light);
  border-radius: 2px;
  background: linear-gradient(to bottom, var(--color-bg-white), var(--color-bg-light));
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  color: inherit;
  text-decoration: none;
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.edu-single-article-card:hover {
  border-color: var(--color-border-ruminous);
  box-shadow: 0 0 12px rgba(27, 143, 203, 0.5);
}

.edu-single-article-card::after {
  content: '';
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  width: 14px;
  height: 12px;
  background-color: var(--color-border);
  mask: url('/assets/images/common/icon/icon_arrow.svg') center / contain no-repeat;
  -webkit-mask: url('/assets/images/common/icon/icon_arrow.svg') center / contain no-repeat;
  transition: background-color var(--transition-normal);
}

.edu-single-article-card:hover::after {
  background-color: var(--color-primary);
}

.edu-single-article-card__thumb {
  width: 100%;
  aspect-ratio: 346 / 199;
  object-fit: cover;
  display: block;
}

.edu-single-article-card__body {
  padding: var(--space-sm) var(--space-md) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex: 1;
}

.edu-single-article-card__date {
  font-size: var(--text-xs);
  color: var(--color-text-sub);
}

.edu-single-article-card__title {
  font-size: var(--text-lx);
  font-weight: var(--font-medium);
  color: var(--color-text-dark);
  letter-spacing: 0.02em;
  line-height: 1.4;
  margin-top: var(--space-xs);
}
h3.edu-single-article-card__title {
  margin-bottom: var( --space-xs);
}

.edu-single-article-card__desc {
  font-size: var(--text-sm);
  font-weight: var(--font-light);
  color: var(--color-text);
  line-height: var(--leading-normal);
}

/* ── Responsive ──────────────────── */

@media (max-width: 900px) {
  .edu-single-article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .edu-single-card {
    padding: var(--space-md);
  }

  .edu-single-article-grid {
    grid-template-columns: 1fr;
  }
}