/* =========================================================
 * コラム（SEO記事）用のスタイル  2026-10-20 追加
 * コラム記事・コラム一覧・カテゴリー一覧・404ページでのみ読み込む。
 * ========================================================= */

.column__inner {
  padding: 40px 20px 56px;
  color: #1f1f1f;
}
@media screen and (min-width: 1101px) {
  .column__inner {
    padding: 64px 40px 96px;
  }
}

/* 読みやすい幅にそろえる */
.column-breadcrumb,
.column-header,
.column-eyecatch,
.column-body,
.column-cta,
.column-related,
.column-list-lead,
.column-cats,
.column-404 > p,
.column-404__links {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.column-cards,
.column-related {
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

/* パンくず */
.column-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  font-size: 12px;
  color: #7d7d7d;
}
.column-breadcrumb li + li::before {
  content: "›";
  margin: 0 8px;
}
.column-breadcrumb a {
  color: #7d7d7d;
  text-decoration: underline;
}

/* 記事の見出し部分 */
.column-header {
  margin-top: 24px;
}
.column-label {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: #edf4f9;
  color: #0275e0;
  font-size: 12px;
  font-weight: 600;
}
.column-title {
  margin-top: 12px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.5;
}
@media screen and (min-width: 1101px) {
  .column-title {
    font-size: 32px;
  }
}
.column-dates,
.column-supervisor {
  margin-top: 12px;
  font-size: 13px;
  color: #7d7d7d;
}
.column-dates span + span {
  margin-left: 16px;
}
.column-eyecatch {
  margin-top: 24px;
}
.column-eyecatch img {
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* 本文 */
.column-body {
  margin-top: 32px;
  font-size: 16px;
  line-height: 1.9;
}
.column-body > * + * {
  margin-top: 1.25em;
}
.column-body h2 {
  margin-top: 2.5em;
  padding: 12px 16px;
  border-left: 6px solid #0275e0;
  background: #edf4f9;
  border-radius: 4px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
}
.column-body h3 {
  margin-top: 2em;
  padding-bottom: 6px;
  border-bottom: 2px solid #babfca;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
}
@media screen and (min-width: 1101px) {
  .column-body h2 { font-size: 24px; }
  .column-body h3 { font-size: 20px; }
}
.column-body h4 {
  margin-top: 1.75em;
  font-size: 16px;
  font-weight: 700;
}
.column-body a {
  color: #0275e0;
  text-decoration: underline;
}
.column-body strong {
  font-weight: 700;
  background: linear-gradient(transparent 65%, #ffde4d 65%);
}
.column-body ul,
.column-body ol {
  padding-left: 1.5em;
}
.column-body ul { list-style: disc; }
.column-body ol { list-style: decimal; }
.column-body li + li {
  margin-top: 0.4em;
}
.column-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.6;
}
.column-body th,
.column-body td {
  padding: 10px 12px;
  border: 1px solid #c5cfd3;
  text-align: left;
  vertical-align: top;
}
.column-body th {
  background: #edf4f9;
  font-weight: 600;
}
.column-body .table-scroll {
  overflow-x: auto;
}
.column-body blockquote {
  padding: 12px 16px;
  border-left: 4px solid #babfca;
  color: #555;
}
.column-body img {
  max-width: 100%;
  height: auto;
}
/* 記事中の囲み（<div class="column-point">…</div>） */
.column-body .column-point {
  padding: 20px 24px;
  border-radius: 12px;
  background: #edf4f9;
}
.column-body .column-point > * + * {
  margin-top: 0.75em;
}
.column-body .column-point__title {
  font-weight: 700;
  color: #024fd7;
}
/* 対象外の条件などの注意（<div class="column-caution">…</div>） */
.column-body .column-caution {
  padding: 20px 24px;
  border: 2px solid #babfca;
  border-radius: 12px;
}

/* 申込案内 */
.column-cta {
  margin-top: 56px;
  padding: 28px 20px;
  border: 2px solid #0275e0;
  border-radius: 16px;
  background: #f5faff;
}
@media screen and (min-width: 1101px) {
  .column-cta {
    padding: 36px 40px;
  }
}
.column-cta__title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  color: #024fd7;
}
.column-cta__lead {
  margin-top: 12px;
  font-size: 15px;
}
.column-cta__list {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.7;
}
.column-cta__list li {
  position: relative;
  padding-left: 1.6em;
}
.column-cta__list li + li {
  margin-top: 6px;
}
.column-cta__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #0275e0;
  font-weight: 700;
}
.column-cta__note {
  margin-top: 16px;
  font-size: 12px;
  line-height: 1.7;
  color: #7d7d7d;
}
.column-cta__button {
  margin-top: 24px;
  display: flex;
  justify-content: center;
}

/* 一覧ページ */
.column-list-title {
  margin-top: 24px;
}
.column-list-lead {
  margin-top: 24px;
  font-size: 15px;
  line-height: 1.9;
}
.column-cats {
  margin-top: 32px;
}
.column-cats ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.column-cats a {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid #babfca;
  border-radius: 999px;
  font-size: 13px;
  color: #1f1f1f;
}
.column-cats a.is-current,
.column-cats a:hover {
  border-color: #0275e0;
  background: #0275e0;
  color: #fff;
}
.column-cards {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media screen and (min-width: 700px) {
  .column-cards { grid-template-columns: repeat(2, 1fr); }
}
@media screen and (min-width: 1101px) {
  .column-cards { grid-template-columns: repeat(3, 1fr); gap: 24px; }
}
.column-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid #eceff0;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  color: #1f1f1f;
  transition: box-shadow 0.2s;
}
.column-card__link:hover {
  box-shadow: 0 4px 16px rgba(2, 117, 224, 0.15);
}
.column-card__thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.column-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
}
.column-card__label {
  align-self: flex-start;
  padding: 2px 10px;
  border-radius: 999px;
  background: #edf4f9;
  color: #0275e0;
  font-size: 11px;
  font-weight: 600;
}
.column-card__title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
}
.column-card__date {
  margin-top: auto;
  font-size: 12px;
  color: #7d7d7d;
}
.column-empty {
  margin-top: 32px;
  text-align: center;
  color: #7d7d7d;
}
.column-related {
  margin-top: 64px;
}
.column-related__title {
  font-size: 20px;
  font-weight: 700;
  text-align: center;
}
.column .pagination {
  margin-top: 32px;
  text-align: center;
}
.column .pagination .page-numbers {
  display: inline-block;
  min-width: 36px;
  padding: 6px 10px;
  margin: 0 2px;
  border-radius: 6px;
  color: #0275e0;
}
.column .pagination .page-numbers.current {
  background: #0275e0;
  color: #fff;
}

/* 404 */
.column-404 > p {
  margin-top: 24px;
  text-align: center;
}
.column-404__links {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  gap: 24px;
}
.column-404__links a {
  color: #0275e0;
  text-decoration: underline;
}