/* ========================================
   Column / Article 専用スタイル
   （style.css の変数・共通クラスを前提に読み込む）
======================================== */

/* パンくず */
.breadcrumb {
  margin-bottom: 20px;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.breadcrumb li + li::before {
  content: "›";
  margin-right: 8px;
  color: var(--color-border);
}

.breadcrumb a {
  color: var(--color-primary);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* ========================================
   コラム一覧
======================================== */
.column-hero {
  position: relative;
  overflow: hidden;
  margin-top: var(--header-height);
  padding: 64px 0 56px;
  background-color: var(--color-bg-alt);
}

/* 右側の余白に人物写真を敷く。左端はマスクで背景色に溶かす */
.column-hero__photo {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(46%, 620px);
  background-image: url("woman-02.jpg");
  background-size: cover;
  background-position: center 10%;
  background-repeat: no-repeat;
  -webkit-mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.45) 28%, #000 64%);
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.45) 28%, #000 64%);
  pointer-events: none;
}

.column-hero .container {
  position: relative;
  z-index: 1;
}

.column-hero__title {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-primary-dark);
  margin-bottom: 22px;
}

/* 広い画面では1行。折り返すときだけ意味の切れ目で改行させる */
.column-hero__title span {
  display: inline-block;
}

.column-hero__lead {
  font-size: 1.02rem;
  line-height: 2;
  color: var(--color-text-light);
  max-width: 620px;
}

/* カテゴリ絞り込み */
.column-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.column-filter__btn {
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-primary);
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 10px 22px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.column-filter__btn:hover {
  border-color: var(--color-primary);
}

.column-filter__btn.is-active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* 記事カード */
.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.article-card[hidden] {
  display: none;
}

.article-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

a.article-card__link:hover {
  box-shadow: 0 12px 30px rgba(11, 61, 145, 0.13);
  transform: translateY(-4px);
}

.article-card__link.is-preparing {
  opacity: 0.72;
  cursor: default;
}

.article-card__thumb {
  position: relative;
  height: 190px;
  background-color: var(--color-bg-alt);
}

/* 新着記事のNEWバッジ（column-news.js が .is-new を付与） */
.article-card.is-new .article-card__thumb::after {
  content: "NEW";
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  background-color: #d93a3a;
  color: #fff;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.5;
  padding: 3px 10px;
  border-radius: 3px;
  box-shadow: 0 2px 8px rgba(4, 20, 48, 0.3);
}

.article-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-card__badge {
  position: absolute;
  left: 16px;
  bottom: 16px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  background-color: var(--color-primary);
  padding: 5px 14px;
  border-radius: 3px;
}

.article-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px 26px 26px;
}

.article-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.article-card__excerpt {
  font-size: 0.92rem;
  color: var(--color-text-light);
  margin-bottom: 18px;
}

.article-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.article-card__soon {
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--color-text-light);
  background-color: var(--color-bg-alt);
  padding: 4px 12px;
  border-radius: 3px;
}

/* 資料ダウンロード導線 */
.column-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 44px 48px;
}

.column-cta__label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.column-cta__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.column-cta__text {
  font-size: 0.96rem;
  color: var(--color-text-light);
}

.column-cta__action {
  flex-shrink: 0;
}

/* ========================================
   記事本文
======================================== */
.article {
  margin-top: var(--header-height);
  padding: 48px 0 96px;
}

.article__container {
  max-width: 800px;
}

.article__head {
  margin-bottom: 32px;
}

.article__badge {
  display: inline-block;
  font-size: 0.83rem;
  font-weight: 700;
  color: #fff;
  background-color: var(--color-primary);
  padding: 5px 14px;
  border-radius: 3px;
  margin-bottom: 18px;
}

.article__title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--color-primary-dark);
  margin-bottom: 18px;
}

.article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--color-text-light);
}

.article__hero {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 40px;
}

.article__lead {
  font-size: 1.06rem;
  line-height: 2.1;
  color: var(--color-text);
  padding: 26px 30px;
  background-color: var(--color-bg-alt);
  border-radius: 8px;
  margin-bottom: 44px;
}

.article__lead strong {
  color: var(--color-primary-dark);
}

/* 目次 */
.toc {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 28px 32px;
  margin-bottom: 52px;
}

.toc__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--color-primary);
}

.toc ol {
  list-style: none;
  counter-reset: toc;
}

.toc li {
  counter-increment: toc;
  margin-bottom: 10px;
}

.toc li:last-child {
  margin-bottom: 0;
}

.toc a {
  display: flex;
  gap: 12px;
  font-size: 0.96rem;
  color: var(--color-text-light);
}

.toc a::before {
  content: counter(toc) ".";
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
}

.toc a:hover {
  color: var(--color-primary);
}

/* 記事内の見出し・本文 */
.article h2 {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-primary-dark);
  padding-left: 18px;
  border-left: 5px solid var(--color-primary);
  margin: 56px 0 22px;
}

.article h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: 34px 0 14px;
}

.article p {
  font-size: 1rem;
  line-height: 2.05;
  color: var(--color-text-light);
  margin-bottom: 18px;
}

.article p strong {
  color: var(--color-text);
  font-weight: 700;
}

/* チェック付きリスト */
.list-check {
  margin: 0 0 24px;
}

.list-check li {
  position: relative;
  padding-left: 32px;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 10px;
}

.list-check li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0.62em;
  width: 12px;
  height: 6px;
  border-left: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg);
}

/* 番号付きポイント */
.point-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 28px 0 36px;
}

.point-item {
  display: flex;
  gap: 20px;
  background-color: var(--color-bg-alt);
  border-radius: 8px;
  padding: 24px 26px;
}

.point-item__num {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.point-item h3 {
  margin: 4px 0 8px;
  font-size: 1.1rem;
}

.point-item p {
  margin-bottom: 0;
  font-size: 0.96rem;
}

/* 補足ボックス */
.callout {
  border-radius: 8px;
  padding: 24px 28px;
  margin: 28px 0 36px;
}

.callout p {
  margin-bottom: 0;
  font-size: 0.98rem;
}

.callout--note {
  background-color: var(--color-bg-alt);
  border-left: 5px solid var(--color-accent);
}

.callout--caution {
  background-color: #fff6f5;
  border-left: 5px solid #c0392b;
}

.callout--caution strong {
  color: #a5301f;
}

/* 選択肢カード */
.option-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 28px 0 36px;
}

.option-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px 24px 26px;
}

.option-card__label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.option-card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.option-card p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

/* チェックリスト */
.checklist {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  margin: 24px 0 36px;
}

.checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 24px;
  background-color: #fff;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.98rem;
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.checklist__item:last-child {
  border-bottom: none;
}

.checklist__item:hover {
  background-color: var(--color-bg-alt);
}

.checklist__item input {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 0.28em;
  accent-color: var(--color-primary);
}

.checklist__item input:checked + span {
  color: var(--color-text-light);
  text-decoration: line-through;
}

/* FAQ */
.faq {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 24px 0 36px;
}

.faq__item {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px 28px;
}

.faq__q {
  position: relative;
  padding-left: 34px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.faq__q::before {
  content: "Q";
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #fff;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq__a {
  position: relative;
  padding-left: 34px;
  margin-bottom: 0;
  font-size: 0.98rem;
}

.faq__a::before {
  content: "A";
  position: absolute;
  left: 0;
  top: 0.12em;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========================================
   監修者
======================================== */
/* 記事冒頭：コンパクト表示 */
.supervisor-inline {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  padding: 12px 16px;
  background-color: var(--color-bg-alt);
  border-radius: 6px;
  margin-top: 16px;
}

.supervisor-inline__label {
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  background-color: var(--color-accent);
  padding: 3px 10px;
  border-radius: 3px;
}

.supervisor-inline__name {
  font-weight: 700;
  color: var(--color-text);
}

/* 記事末尾：プロフィール表示 */
.supervisor {
  display: flex;
  gap: 26px;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: 8px;
  padding: 30px 32px;
  margin: 52px 0 0;
}

.supervisor__photo {
  flex-shrink: 0;
  width: 104px;
  height: 104px;
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--color-bg-alt);
}

.supervisor__body {
  flex: 1;
  min-width: 0;
}

.supervisor__label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.supervisor__company {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text-light);
  margin-bottom: 2px;
}

.supervisor__name {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.supervisor__qualification {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.supervisor__qualification li {
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  background-color: var(--color-bg-alt);
  padding: 4px 12px;
  border-radius: 3px;
}

.supervisor__profile {
  font-size: 0.94rem;
  line-height: 1.95;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* 出典・免責 */
.article__source {
  background-color: var(--color-bg-alt);
  border-radius: 8px;
  padding: 26px 30px;
  margin: 52px 0 0;
}

.article__source-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.article__source ul {
  margin-bottom: 14px;
}

.article__source li {
  font-size: 0.92rem;
  margin-bottom: 6px;
}

.article__source a {
  color: var(--color-primary);
  text-decoration: underline;
}

.article__disclaimer {
  font-size: 0.86rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* 記事下CTA */
.article-cta {
  background-color: var(--color-primary);
  border-radius: 10px;
  padding: 44px 46px;
  margin: 56px 0;
  color: #fff;
}

/* 紺背景の上に載るため、.article h2 / .article p より詳細度を上げて白系の文字色を確実に効かせる */
.article-cta .article-cta__label {
  font-size: 0.92rem;
  font-weight: 700;
  color: #bcd6f4;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.article-cta .article-cta__title {
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.5;
  color: #fff;
  padding-left: 0;
  border-left: none;
  margin: 0 0 16px;
}

.article-cta .article-cta__text {
  font-size: 1rem;
  line-height: 2;
  color: #e4eefb;
  margin-bottom: 28px;
}

.article-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.article-cta .btn--primary {
  background-color: #fff;
  color: var(--color-primary);
}

.article-cta .btn--primary:hover {
  background-color: #e4edf9;
}

.btn--ghost {
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
  padding: 16px 34px;
}

.btn--ghost:hover {
  background-color: rgba(255, 255, 255, 0.14);
}

/* 関連記事 */
.related__title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--color-primary);
}

.related__list li {
  border-bottom: 1px solid var(--color-border);
}

.related__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  font-size: 1rem;
  color: var(--color-text);
}

.related__list a:hover {
  color: var(--color-primary);
}

.related__list span {
  flex-shrink: 0;
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--color-text-light);
  background-color: var(--color-bg-alt);
  padding: 4px 12px;
  border-radius: 3px;
}

.article__back {
  margin-top: 40px;
  font-size: 0.98rem;
}

.article__back a {
  color: var(--color-primary);
  font-weight: 700;
}

.article__back a:hover {
  text-decoration: underline;
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 900px) {
  /* 写真とリード文が重ならないよう、写真を細く・文章を短く */
  .column-hero__photo {
    width: 40%;
  }

  .column-hero__lead {
    max-width: 56%;
  }

  .article-grid,
  .option-grid {
    grid-template-columns: 1fr;
  }

  .column-cta {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
    padding: 36px 32px;
  }
}

@media (max-width: 768px) {
  .column-hero {
    padding: 44px 0 40px;
  }

  /* スマホでは横に並べる余白がないため、全面に薄く敷いて質感だけ残す */
  .column-hero__photo {
    width: 100%;
    background-position: 58% 6%;
    opacity: 0.14;
    -webkit-mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0) 0%, #000 45%);
    mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0) 0%, #000 45%);
  }

  .column-hero__lead {
    max-width: none;
  }

  .column-hero__title {
    font-size: 1.6rem;
  }

  .article {
    padding: 32px 0 64px;
  }

  .article__title {
    font-size: 1.5rem;
  }

  .article__hero {
    height: 210px;
  }

  .article__lead {
    padding: 22px 20px;
    font-size: 1rem;
  }

  .toc {
    padding: 22px 20px;
  }

  .article h2 {
    font-size: 1.32rem;
    padding-left: 14px;
    margin: 44px 0 18px;
  }

  .article h3 {
    font-size: 1.12rem;
  }

  .point-item,
  .callout,
  .faq__item,
  .article__source {
    padding-left: 20px;
    padding-right: 20px;
  }

  .supervisor {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 18px;
    padding: 26px 20px;
  }

  .supervisor__qualification {
    justify-content: center;
  }

  .supervisor__profile {
    text-align: left;
  }

  .supervisor-inline {
    flex-wrap: wrap;
    gap: 8px;
  }

  .checklist__item {
    padding: 16px 18px;
  }

  .article-cta {
    padding: 32px 24px;
  }

  .article-cta .article-cta__title {
    font-size: 1.28rem;
  }

  .article-cta__actions .btn {
    width: 100%;
    text-align: center;
  }
}