/* ==========================================================================
   articles.css — note移植記事（/articles/）用スタイル
   all.css の CSS 変数に準拠
   ========================================================================== */

/* --- 記事ページ全体 --- */
.article-page {
  background: var(--color-white);
}

.article {
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(32px, 6vw, 72px) var(--container-padding) clamp(48px, 8vw, 96px);
}

/* パンくず */
.article__breadcrumb {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}
.article__breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0;
  margin: 0;
}
.article__breadcrumb a { color: var(--color-accent-text); text-decoration: none; }
.article__breadcrumb a:hover { text-decoration: underline; }
.article__breadcrumb li:not(:last-child)::after { content: "›"; margin-left: 6px; color: var(--color-text-light); }

/* 記事ヘッダー */
.article__header { margin-bottom: 32px; border-bottom: 1px solid var(--color-bg-dark); padding-bottom: 24px; }
.article__category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-accent-text);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  margin-bottom: 16px;
}
.article__title {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1.4;
  color: var(--color-primary);
  font-weight: 700;
  margin: 0 0 12px;
}
.article__subtitle {
  font-size: clamp(0.95rem, 2.4vw, 1.1rem);
  line-height: 1.6;
  color: var(--color-text-light);
  font-weight: 600;
  margin: 0 0 12px;
}
.article__date { font-size: 0.85rem; color: var(--color-text-light); font-family: var(--font-en); }

/* 時事注記 */
.article__notice {
  font-size: 0.85rem;
  color: var(--color-text-light);
  background: var(--color-bg);
  border-left: 3px solid var(--color-accent-light);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin: 0 0 2em;
}
.article__notice a { color: var(--color-accent-text); }

/* 記事本文タイポグラフィ */
.article__body { font-size: 1.05rem; line-height: 1.9; color: var(--color-text); }
.article__body p { margin: 0 0 1.6em; }
.article__body h2 {
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  line-height: 1.5;
  color: var(--color-primary);
  font-weight: 700;
  margin: 2.4em 0 0.8em;
  padding-left: 14px;
  border-left: 5px solid var(--color-accent);
}
.article__body h3 { font-size: 1.2rem; color: var(--color-primary); margin: 2em 0 0.6em; font-weight: 700; }
.article__body a { color: var(--color-accent-text); text-decoration: underline; text-underline-offset: 2px; }
.article__body a:hover { color: var(--color-accent); }
.article__body img,
.article__body figure img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
  margin: 1.5em auto;
}
.article__body figure { margin: 1.5em 0; }
.article__body figcaption { font-size: 0.8rem; color: var(--color-text-light); text-align: center; margin-top: 8px; }
.article__body ul, .article__body ol { margin: 0 0 1.6em; padding-left: 1.4em; }
.article__body li { margin-bottom: 0.5em; }
.article__body b, .article__body strong { font-weight: 700; }

/* 記事フッター：CTA・戻る */
.article__footer { margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--color-bg-dark); }
.article__cta {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
}
.article__cta p { margin: 0 0 16px; color: var(--color-text); }
.article__back { display: inline-block; margin-top: 32px; color: var(--color-accent-text); text-decoration: none; font-weight: 600; }
.article__back:hover { text-decoration: underline; }

/* --- サービス個別ページ（/services/） --- */
.svc { max-width: 900px; margin: 0 auto; padding: clamp(28px,5vw,56px) var(--container-padding) clamp(48px,8vw,96px); }
.svc-hero { border-bottom: 1px solid var(--color-bg-dark); padding-bottom: 28px; margin-bottom: 40px; }
.svc-hero__en { font-family: var(--font-en); font-size: 0.85rem; letter-spacing: 0.08em; color: var(--color-accent-text); font-weight: 600; }
.svc-hero__title { font-size: clamp(1.6rem,4.5vw,2.4rem); color: var(--color-primary); font-weight: 700; margin: 6px 0 18px; }
.svc-lead { font-size: 1.08rem; line-height: 1.9; color: var(--color-text); }
.svc-section { margin: 44px 0; }
.svc-section__title { font-size: 1.3rem; color: var(--color-primary); font-weight: 700; margin: 0 0 20px; padding-left: 14px; border-left: 5px solid var(--color-accent); }
.svc-scope { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill,minmax(240px,1fr)); gap: 12px; }
.svc-scope li { background: var(--color-bg); border-radius: var(--radius-md); padding: 14px 18px; font-size: 0.95rem; line-height: 1.6; color: var(--color-text); }
.svc-steps { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.svc-steps li { position: relative; padding: 0 0 22px 52px; }
.svc-steps li:not(:last-child)::before { content: ""; position: absolute; left: 17px; top: 6px; bottom: 0; width: 2px; background: var(--color-bg-dark); }
.svc-steps li::after { counter-increment: step; content: counter(step); position: absolute; left: 0; top: 0; width: 36px; height: 36px; border-radius: 50%; background: var(--color-accent-text); color: #fff; font-family: var(--font-en); font-weight: 700; display: flex; align-items: center; justify-content: center; }
.svc-step__title { font-weight: 700; color: var(--color-primary); margin: 4px 0 4px; }
.svc-step__desc { font-size: 0.95rem; line-height: 1.7; color: var(--color-text-light); margin: 0; }
.svc-faq { }
.svc-faq__q { font-weight: 700; color: var(--color-primary); margin: 18px 0 6px; }
.svc-faq__a { font-size: 0.95rem; line-height: 1.7; color: var(--color-text); margin: 0; }
.svc-faq__more { color: var(--color-accent-text); text-decoration: underline; text-underline-offset: 2px; font-weight: 600; white-space: nowrap; }
.svc-faq__more:hover { color: var(--color-accent); }
.svc-related { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.svc-related-card { display: flex; flex-direction: column; background: var(--color-white); border: 1px solid var(--color-bg-dark); border-radius: var(--radius-md); overflow: hidden; text-decoration: none; color: inherit; transition: transform var(--transition), box-shadow var(--transition); }
.svc-related-card:hover { transform: translateY(-3px); box-shadow: 0 6px 18px rgba(27,58,75,0.10); }
.svc-related-card__thumb { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; background: var(--color-bg); }
.svc-related-card__title { padding: 12px 14px; font-size: 0.9rem; line-height: 1.5; font-weight: 700; color: var(--color-primary); }

/* --- 実績詳細ページ（/works/） --- */
.wk-hero-img { display: block; width: 100%; max-width: 772px; height: auto; margin: 0 auto 32px; border-radius: var(--radius-lg); background: var(--color-bg); }
.wk-meta { font-size: 0.85rem; color: var(--color-text-light); margin: 0 0 6px; }
.wk-block { margin: 34px 0; }
.wk-block__label { display: inline-block; font-weight: 700; font-size: 0.78rem; letter-spacing: 0.04em; padding: 5px 14px; border-radius: var(--radius-sm); color: #fff; margin-bottom: 12px; }
.wk-block__label--challenge { background: #6b6b6b; }
.wk-block__label--solution { background: var(--color-accent-text); }
.wk-block__label--outcome { background: var(--color-primary); }
.wk-block__body { font-size: 1.05rem; line-height: 1.9; color: var(--color-text); }
.wk-block__body p { margin: 0 0 1.2em; }
.wk-services { display: flex; flex-wrap: wrap; gap: 10px; }
.wk-services a { display: inline-block; background: var(--color-bg); border: 1px solid var(--color-bg-dark); border-radius: var(--radius-sm); padding: 8px 16px; font-size: 0.9rem; color: var(--color-accent-text); text-decoration: none; font-weight: 600; }
.wk-services a:hover { border-color: var(--color-accent-light); }

/* --- 一覧ページ（/articles/） --- */
.articles-hero { padding: clamp(48px, 8vw, 96px) 0 clamp(24px, 4vw, 48px); text-align: center; }
.articles-hero__title { font-size: clamp(1.8rem, 5vw, 2.6rem); color: var(--color-primary); font-weight: 700; margin: 0 0 12px; }
.articles-hero__lead { color: var(--color-text-light); max-width: 640px; margin: 0 auto; }

.articles-section { padding: 0 0 clamp(40px, 6vw, 72px); }
.articles-section__title {
  font-size: 1.3rem;
  color: var(--color-primary);
  font-weight: 700;
  margin: 0 0 24px;
  padding-left: 14px;
  border-left: 5px solid var(--color-accent);
}
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.article-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-bg-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), box-shadow var(--transition);
}
.article-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(27, 58, 75, 0.12); }
.article-card__thumb { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; background: var(--color-bg); }
.article-card__body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 8px; }
.article-card__date { font-size: 0.75rem; color: var(--color-text-light); font-family: var(--font-en); }
.article-card__title { font-size: 1rem; line-height: 1.55; color: var(--color-primary); font-weight: 700; margin: 0; }
.article-card__excerpt { font-size: 0.9rem; line-height: 1.65; color: var(--color-text-light); margin: 0; }

/* --- 課題起点FAQ（/faq/）--- */
.article__lead { font-weight: 600; color: var(--color-primary); }
.article__byline { font-size: 0.9rem; color: var(--color-text-light); margin: 10px 0 0; }
.article__byline a { color: var(--color-accent-text); text-decoration: underline; text-underline-offset: 2px; }
.article__byline a:hover { color: var(--color-accent); }
.articles-hero__lead a { color: var(--color-accent-text); text-decoration: underline; text-underline-offset: 2px; font-weight: 600; }
.articles-hero__lead a:hover { color: var(--color-accent); }