/* =========================================================
   Docoiku Night Column / Article CSS
   - Column body readability
   - Table of contents / page links
   - Member registration CTA shortcode
   2026-05-31
========================================================= */

/* Article base */
.entry-content,
.page-content,
.column-content,
.post-content {
  line-height: 1.9;
  color: #1f1a24;
  word-break: break-word;
}

.entry-content > * + *,
.page-content > * + *,
.column-content > * + *,
.post-content > * + * {
  margin-top: 1.15em;
}

.entry-content p,
.page-content p,
.column-content p,
.post-content p {
  margin: 0 0 1.2em;
}

.entry-content a,
.page-content a,
.column-content a,
.post-content a {
  color: #8a2f75;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.entry-content img,
.page-content img,
.column-content img,
.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 18px;
}

.entry-content figure,
.page-content figure,
.column-content figure,
.post-content figure {
  margin: 1.8em 0;
}

.entry-content figcaption,
.page-content figcaption,
.column-content figcaption,
.post-content figcaption {
  margin-top: .65em;
  color: #746b79;
  font-size: .86rem;
  line-height: 1.6;
  text-align: center;
}

/* Headings */
.entry-content h2,
.page-content h2,
.column-content h2,
.post-content h2 {
  position: relative;
  margin: 2.45em 0 1em;
  padding: 0 0 .56em;
  color: #211827;
  font-size: clamp(1.42rem, 2.4vw, 2rem);
  line-height: 1.34;
  letter-spacing: -.03em;
}

.entry-content h2::after,
.page-content h2::after,
.column-content h2::after,
.post-content h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(180px, 42%);
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, #efb7c7 0%, #d6b8eb 52%, #a9c7f3 100%);
}

.entry-content h3,
.page-content h3,
.column-content h3,
.post-content h3 {
  margin: 2em 0 .75em;
  padding-left: .86em;
  border-left: 5px solid #d6b8eb;
  color: #2d2234;
  font-size: clamp(1.12rem, 1.7vw, 1.4rem);
  line-height: 1.45;
}

.entry-content h4,
.page-content h4,
.column-content h4,
.post-content h4 {
  margin: 1.65em 0 .65em;
  color: #3d3344;
  font-size: 1.05rem;
  line-height: 1.5;
}

/* Lists */
.entry-content ul,
.entry-content ol,
.page-content ul,
.page-content ol,
.column-content ul,
.column-content ol,
.post-content ul,
.post-content ol {
  display: grid;
  gap: .48em;
  margin: 1.15em 0 1.3em;
  padding-left: 1.35em;
}


.column-content ul {
  list-style: square;
}

.entry-content li,
.page-content li,
.column-content li,
.post-content li {
  line-height: 1.75;
}

/* Quote / note */
.entry-content blockquote,
.page-content blockquote,
.column-content blockquote,
.post-content blockquote {
  margin: 1.8em 0;
  padding: 1.2em 1.35em;
  border-left: 5px solid #d6b8eb;
  border-radius: 16px;
  background: #fbf7fc;
  color: #3f3647;
}

.column-note,
.column-point,
.column-warning {
  margin: 1.8em 0;
  padding: 1.1em 1.2em;
  border-radius: 18px;
  border: 1px solid rgba(214,184,235,.72);
  background: #fff;
  box-shadow: 0 8px 24px rgba(15,23,42,.05);
}

.column-point {
  background: linear-gradient(135deg, rgba(239,183,199,.16), rgba(214,184,235,.13), rgba(169,199,243,.12));
}

.column-warning {
  border-color: rgba(251,146,60,.32);
  background: #fff7ed;
}

/* Table */
.entry-content table,
.page-content table,
.column-content table,
.post-content table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.6em 0;
  overflow: hidden;
  border: 1px solid rgba(220,210,226,.74);
  border-radius: 16px;
  background: #fff;
}

.entry-content th,
.entry-content td,
.page-content th,
.page-content td,
.column-content th,
.column-content td,
.post-content th,
.post-content td {
  padding: .82em .9em;
  border-bottom: 1px solid rgba(220,210,226,.62);
  vertical-align: top;
  line-height: 1.65;
}

.entry-content th,
.page-content th,
.column-content th,
.post-content th {
  background: #faf7fb;
  color: #403348;
  font-weight: 800;
}

.entry-content tr:last-child th,
.entry-content tr:last-child td,
.page-content tr:last-child th,
.page-content tr:last-child td,
.column-content tr:last-child th,
.column-content tr:last-child td,
.post-content tr:last-child th,
.post-content tr:last-child td {
  border-bottom: 0;
}

/* Table of contents / page links */
.column-toc,
.column-page-links {
  margin: 1.8em 0 2em;
  padding: 1.1em 1.15em;
  border: 1px solid rgba(214,184,235,.72);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(15,23,42,.06);
}

.column-toc__title,
.column-page-links__title {
  margin: 0 0 .8em;
  color: #3f3148;
  font-size: .95rem;
  font-weight: 900;
}

.column-toc ul,
.column-page-links ul {
  display: grid;
  gap: .55em;
  margin: 0;
  padding: 0;
  list-style: none;
}

.column-toc a,
.column-page-links a {
  display: flex;
  align-items: baseline;
  gap: .55em;
  padding: .55em .65em;
  border-radius: 12px;
  background: #faf7fb;
  color: #3f3148;
  text-decoration: none;
  font-weight: 700;
  line-height: 1.45;
}

.column-toc a::before,
.column-page-links a::before {
  content: "";
  width: .48em;
  height: .48em;
  border-radius: 999px;
  background: linear-gradient(135deg, #efb7c7, #d6b8eb, #a9c7f3);
  flex: 0 0 auto;
}

/* Member CTA shortcode */
.docoiku-member-cta {
  margin: 2.2em 0;
  padding: 1px;
  border-radius: 26px;
  background: linear-gradient(135deg, #efb7c7 0%, #d6b8eb 50%, #a9c7f3 100%);
}

.docoiku-member-cta__inner {
  padding: clamp(22px, 4vw, 34px);
  border-radius: 25px;
  background:
    radial-gradient(circle at 10% 10%, rgba(239,183,199,.22), transparent 36%),
    radial-gradient(circle at 94% 6%, rgba(169,199,243,.22), transparent 34%),
    #fff;
  text-align: center;
}

.docoiku-member-cta__kicker,
.docoiku-column-cta__kicker {
  margin: 0 0 .45em;
  color: #9b5f87;
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.docoiku-member-cta__title,
.docoiku-column-cta__title {
  margin: 0;
  color: #211827;
  font-size: clamp(1.28rem, 2.3vw, 1.8rem);
  line-height: 1.42;
  letter-spacing: -.03em;
}

.docoiku-member-cta__text,
.docoiku-column-cta__text {
  max-width: 680px;
  margin: .8em auto 0;
  color: #5f5667;
  line-height: 1.8;
  font-weight: 600;
}

.docoiku-member-cta__body,
.docoiku-column-cta__body {
  margin-top: 1em;
  color: #5f5667;
  line-height: 1.8;
}

.docoiku-member-cta .docoiku-member-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 1.25em;
}

.docoiku-member-cta .docoiku-member-cta__button,
.docoiku-column-cta__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: .75em 1.25em;
  border-radius: 999px;
  font-weight: 900;
  text-decoration: none !important;
  line-height: 1.35;
}

.docoiku-member-cta .docoiku-member-cta__button--primary,
.docoiku-column-cta__button {
  background: #211827;
  color: #fff !important;
  box-shadow: 0 12px 28px rgba(33,24,39,.18);
}

.docoiku-member-cta .docoiku-member-cta__button--secondary {
  border: 1px solid rgba(33,24,39,.16);
  background: rgba(255,255,255,.82);
  color: #211827 !important;
}

.docoiku-member-cta--align-left .docoiku-member-cta__inner {
  text-align: left;
}

.docoiku-member-cta--align-left .docoiku-member-cta__text,
.docoiku-member-cta--align-left .docoiku-member-cta .docoiku-member-cta__actions {
  margin-left: 0;
  justify-content: flex-start;
}

/* General column CTA */
.docoiku-column-cta {
  margin: 2em 0;
  padding: clamp(20px, 3.8vw, 30px);
  border: 1px solid rgba(214,184,235,.72);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(239,183,199,.12), rgba(214,184,235,.10), rgba(169,199,243,.12)),
    #fff;
  box-shadow: 0 12px 32px rgba(15,23,42,.06);
}

.docoiku-column-cta__button {
  margin-top: 1.1em;
}

/* Mobile */
@media (max-width: 767px) {
  .entry-content,
  .page-content,
  .column-content,
  .post-content {
    font-size: .96rem;
    line-height: 1.85;
  }

  .entry-content h2,
  .page-content h2,
  .column-content h2,
  .post-content h2 {
    margin-top: 2.15em;
    font-size: 1.36rem;
  }

  .entry-content h3,
  .page-content h3,
  .column-content h3,
  .post-content h3 {
    font-size: 1.08rem;
  }

  .entry-content table,
  .page-content table,
  .column-content table,
  .post-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .docoiku-member-cta .docoiku-member-cta__actions {
    display: grid;
  }

  .docoiku-member-cta .docoiku-member-cta__button,
  .docoiku-column-cta__button {
    width: 100%;
  }
}


/* =========================================================
   Column extras: marker, OGP card, text link
   2026-05-31
========================================================= */

.column-marker {
  background: linear-gradient(transparent 58%, rgba(255, 236, 138, .86) 58%);
  padding: 0 .08em;
  font-weight: 800;
}

.column-marker--pink {
  background: linear-gradient(transparent 58%, rgba(255, 187, 211, .82) 58%);
}

.column-marker--blue {
  background: linear-gradient(transparent 58%, rgba(178, 214, 255, .82) 58%);
}

.docoiku-ogp-card {
  display: grid;
  grid-template-columns: minmax(120px, 32%) minmax(0, 1fr);
  gap: 14px;
  margin: 1.8em 0;
  padding: 12px;
  border: 1px solid rgba(214,184,235,.72);
  border-radius: 20px;
  background: #fff;
  color: #211827 !important;
  text-decoration: none !important;
  box-shadow: 0 10px 28px rgba(15,23,42,.06);
  overflow: hidden;
}

.docoiku-ogp-card__thumb {
  display: block;
  min-height: 126px;
  border-radius: 15px;
  background-size: cover;
  background-position: center;
  background-color: #f4edf7;
}

.docoiku-ogp-card__body {
  min-width: 0;
  display: grid;
  align-content: center;
  gap: 6px;
}

.docoiku-ogp-card__label {
  color: #9b5f87;
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.docoiku-ogp-card__title {
  color: #211827;
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 900;
}

.docoiku-ogp-card__desc {
  color: #5f5667;
  font-size: .86rem;
  line-height: 1.6;
}

.docoiku-ogp-card__url {
  color: #8b7f93;
  font-size: .76rem;
  line-height: 1.45;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.docoiku-text-link {
  display: inline-flex;
  align-items: center;
  gap: .28em;
  color: #8a2f75 !important;
  font-weight: 800;
  text-decoration: underline !important;
  text-decoration-thickness: 1.5px !important;
  text-underline-offset: 4px !important;
}

.docoiku-text-link--arrow::after {
  content: "→";
  display: inline-block;
  font-weight: 900;
}

.docoiku-text-link.is-external::after {
  content: "↗";
  display: inline-block;
  font-size: .86em;
  font-weight: 900;
}

@media (max-width: 767px) {
  .docoiku-ogp-card {
    grid-template-columns: 1fr;
  }

  .docoiku-ogp-card__thumb {
    min-height: 170px;
  }
}


/* =========================================================
   Member CTA design fix
   - Center gradient underline
   - Dark / purple gradient buttons
   2026-05-31
========================================================= */

.docoiku-member-cta .docoiku-member-cta__title {
  position: relative;
  display: block;
  width: fit-content;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-bottom: .64em;
}

.docoiku-member-cta .docoiku-member-cta__title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: min(260px, 64%);
  height: 5px;
  border-radius: 999px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #efb7c7 0%, #d6b8eb 52%, #a9c7f3 100%);
}

.docoiku-member-cta--align-left .docoiku-member-cta__title {
  margin-left: 0;
  margin-right: 0;
}

.docoiku-member-cta--align-left .docoiku-member-cta__title::after {
  left: 0;
  transform: none;
}

.docoiku-member-cta .docoiku-member-cta__button {
    padding: 14px 20px !important;
    border-radius: 999px !important;
    background: linear-gradient(135deg, #1b1225 0%, #2b1744 48%, #5b21b6 100%) !important;
    color: #fff !important;
    font-weight: bold !important;
}

.docoiku-member-cta .docoiku-member-cta__button:hover,
.docoiku-member-cta .docoiku-member-cta__button--primary:hover,
.docoiku-member-cta .docoiku-member-cta__button--secondary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(33, 24, 39, .28);
  filter: brightness(1.04);
}

/* Column archive: category-column.php */
.column-archive-main {
    background: #f8fafc;
    padding: 56px 0 72px;
}

.column-archive__header {
    margin-bottom: 32px;
    text-align: center;
}

.column-archive__title {
    margin: 8px 0 12px;
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.25;
    letter-spacing: 0.04em;
}

.column-archive__lead,
.column-archive__description {
    max-width: 760px;
    margin: 0 auto;
    color: #475569;
    line-height: 1.9;
}

.column-archive__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.column-archive-card {
    overflow: hidden;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

.column-archive-card__thumb {
    display: block;
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: linear-gradient(135deg, #1b1225 0%, #2b1744 48%, #5b21b6 100%);
    color: #fff;
    text-decoration: none;
}

.column-archive-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.column-archive-card:hover .column-archive-card__thumb img {
    transform: scale(1.04);
}

.column-archive-card__thumb-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-align: center;
}

.column-archive-card__body {
    padding: 20px;
}

.column-archive-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    margin-bottom: 10px;
    color: #64748b;
    font-size: 12px;
    letter-spacing: 0.04em;
}

.column-archive-card__title {
    margin: 0 0 12px;
    font-size: 18px;
    line-height: 1.55;
}

.column-archive-card__title a {
    color: #111827;
    text-decoration: none;
}

.column-archive-card__title a:hover {
    color: #5b21b6;
}

.column-archive-card__excerpt {
    color: #475569;
    font-size: 14px;
    line-height: 1.8;
}

.column-archive-card__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 18px;
    padding: 10px 16px;
    border-radius: 999px;
    background: linear-gradient(135deg, #1b1225 0%, #2b1744 48%, #5b21b6 100%);
    color: #fff !important;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
}

.column-archive__empty {
    padding: 40px 24px;
    border-radius: 20px;
    background: #fff;
    text-align: center;
    color: #475569;
}

.column-archive__cta {
    margin-top: 40px;
}

@media (max-width: 1023px) {
    .column-archive__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .column-archive-main {
        padding: 36px 0 56px;
    }

    .column-archive__grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .column-archive-card {
        border-radius: 20px;
    }

    .column-archive-card__body {
        padding: 18px;
    }
}

/* Column root category index: /category/column/ */
.column-category-index .breadcrumb,
.column-archive .breadcrumb {
    margin: 0 0 28px;
}

.column-category-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.column-category-card {
    overflow: hidden;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

.column-category-card__thumb {
    display: block;
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: linear-gradient(135deg, #1b1225 0%, #2b1744 48%, #5b21b6 100%);
    color: #fff;
    text-decoration: none;
}

.column-category-card__thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.column-category-card:hover .column-category-card__thumb img {
    transform: scale(1.04);
}

.column-category-card__thumb-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-align: center;
}

.column-category-card__body {
    padding: 20px;
}

.column-category-card__count {
    margin: 0 0 8px;
    color: #64748b;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.column-category-card__title {
    margin: 0 0 12px;
    font-size: 20px;
    line-height: 1.45;
}

.column-category-card__title a {
    color: #111827;
    text-decoration: none;
}

.column-category-card__title a:hover {
    color: #5b21b6;
}

.column-category-card__description {
    margin: 0;
    color: #475569;
    font-size: 14px;
    line-height: 1.8;
}

.column-category-card__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 18px;
    padding: 10px 16px;
    border-radius: 999px;
    background: linear-gradient(135deg, #1b1225 0%, #2b1744 48%, #5b21b6 100%);
    color: #fff !important;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
}

.column-archive__hero-image {
    overflow: hidden;
    max-width: 900px;
    margin: 22px auto 24px;
    border-radius: 28px;
    box-shadow: 0 22px 55px rgba(15, 23, 42, 0.12);
}

.column-archive__hero-image img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 7;
    object-fit: cover;
}

@media (max-width: 1023px) {
    .column-category-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .column-category-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .column-category-card {
        border-radius: 20px;
    }

    .column-category-card__body {
        padding: 18px;
    }

    .column-archive__hero-image {
        margin: 18px auto 20px;
        border-radius: 20px;
    }

    .column-archive__hero-image img {
        aspect-ratio: 16 / 9;
    }
}

/* =========================================================
   コラム記事検索フォーム（category-column.php ヘッダー内）
   既存トークン（ピル型CTA #211827 / border #cfc3b8 / brand blue #a9c7f3）に準拠
   ========================================================= */
.column-search {
    max-width: 560px;
    margin: 24px auto 0;
}

.column-search__row {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

.column-search__input {
    flex: 1 1 auto;
    min-width: 0;
    height: 48px;
    padding: 0 18px;
    font-size: 15px;
    color: #222222;
    background: #ffffff;
    border: 1px solid #cfc3b8;
    border-radius: 999px;
    box-shadow: 0 1px 2px rgba(34, 34, 34, 0.04);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.column-search__input::placeholder {
    color: #94a3b8;
}

.column-search__input:focus {
    outline: none;
    border-color: #a9c7f3;
    box-shadow: 0 0 0 3px rgba(169, 199, 243, 0.25);
}

.column-search__submit {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    font-weight: 900;
    color: #ffffff;
    background: #211827;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    box-shadow: 0 12px 28px rgba(33, 24, 39, 0.18);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.column-search__submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 32px rgba(33, 24, 39, 0.22);
}

@media (max-width: 767px) {
    .column-search__row {
        flex-direction: column;
    }

    .column-search__submit {
        width: 100%;
    }
}

/* =========================================================
   単体コラム記事（single.php / .post-main）専用の見出し再編
   - h1（タイトル）＝ 旧h2の見た目（グラデ下線）
   - 本文 h2 ＝ 旧h3の見た目（左ボーダー）
   - 本文 h3 ＝ 旧h4の見た目
   ※ .post-main に限定し、固定ページ（.page-content）等の既存表示には影響させない
   ========================================================= */

/* タイトル h1（＝旧h2スタイル） */
.post-main .post-title {
    position: relative;
    margin: 0 0 0.2em;
    padding: 0 0 0.56em;
    color: #211827;
    font-size: clamp(1.42rem, 2.4vw, 2rem);
    line-height: 1.34;
    letter-spacing: -0.03em;
}
.post-main .post-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: min(180px, 42%);
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, #efb7c7 0%, #d6b8eb 52%, #a9c7f3 100%);
}

/* 日付：h1直下・右揃え・一回り小さく・#CCCよりやや濃いグレー */
.post-main .post-header {
    margin-bottom: 1.9em;
}
.post-main .post-meta {
    margin-top: 0.5em;
    text-align: right;
    color: #9a9a9a;
    font-size: 0.85rem;
    line-height: 1.4;
}

/* 本文 h2 ＝ 旧h3の見た目（左ボーダー、下線は無し） */
.post-main .entry-content h2,
.post-main .column-content h2,
.post-main .post-content h2 {
    position: static;
    margin: 2em 0 0.75em;
    padding: 0 0 0 0.86em;
    border-left: 5px solid #d6b8eb;
    color: #2d2234;
    font-size: clamp(1.12rem, 1.7vw, 1.4rem);
    line-height: 1.45;
    letter-spacing: normal;
}
.post-main .entry-content h2::after,
.post-main .column-content h2::after,
.post-main .post-content h2::after {
    content: none;
}

/* 本文 h3 ＝ 旧h4の見た目 */
.post-main .entry-content h3,
.post-main .column-content h3,
.post-main .post-content h3 {
    margin: 1.65em 0 0.65em;
    padding-left: 0;
    border-left: 0;
    color: #3d3344;
    font-size: 1.05rem;
    line-height: 1.5;
}

@media (max-width: 767px) {
    .post-main .entry-content h2,
    .post-main .column-content h2,
    .post-main .post-content h2 {
        font-size: 1.08rem;
    }
}

/* =========================================================
   関連記事「こちらも読まれています」（single.php 本文末尾）
   ========================================================= */
.column-related {
    margin-top: clamp(48px, 6vw, 80px);
    padding-top: clamp(32px, 4vw, 48px);
    border-top: 1px solid var(--color-border);
}

/* カルーセル（PC・タブレット・スマホ共通）。TOPのスクロールスナップ方式を流用 */
.column-related .column-related__grid {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    padding: 4px 2px 12px;
    margin-inline: -2px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(139, 92, 246, 0.35) rgba(33, 24, 39, 0.06);
}
.column-related .column-related__grid::-webkit-scrollbar {
    height: 8px;
}
.column-related .column-related__grid::-webkit-scrollbar-track {
    background: rgba(33, 24, 39, 0.06);
    border-radius: 999px;
}
.column-related .column-related__grid::-webkit-scrollbar-thumb {
    background: rgba(139, 92, 246, 0.35);
    border-radius: 999px;
}
.column-related .column-related__grid::-webkit-scrollbar-thumb:hover {
    background: rgba(139, 92, 246, 0.55);
}
.column-related .column-related__grid > .column-archive-card {
    flex: 0 0 min(86vw, 300px);
    scroll-snap-align: start;
}