/* クリーンルーム施工・環境維持レポート ブログ固有スタイル */
/* ヘッダー/フッター/ナビ、比較表(.table-scroll/.compare-table)は ../styles.css を利用 */

.blog-head {
  background: var(--steel-deep);
  color: #fff;
  border-bottom: 3px solid var(--lime);
}

.blog-head .container {
  padding: 52px 0 46px;
}

.blog-head .eyebrow {
  margin-bottom: 12px;
}

.blog-head h1 {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  line-height: 1.5;
  margin: 0 0 12px;
  color: #fff;
}

.blog-head p:not(.eyebrow) {
  max-width: 740px;
  margin: 0;
  font-size: .95rem;
  color: #dbe3ec;
}

.index-stack {
  padding-top: 60px;
  padding-bottom: 90px;
}

.index-stack section {
  margin: 0 0 60px;
}

.index-stack section:last-child {
  margin-bottom: 0;
}

.index-stack h2 {
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  margin: 0 0 10px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--steel);
  color: var(--steel-deep);
}

.index-stack .section-lead {
  color: var(--muted);
  font-size: .9rem;
  margin: 0;
}

.blog-links ul {
  margin: 18px 0 0;
  padding-left: 1.4em;
}

/* 記事一覧: 3カラムのカードグリッド */
.blog-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 28px;
}

.blog-cards .blog-card {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--lime);
  overflow: hidden;
}

.blog-cards .blog-card > a {
  display: block;
  color: inherit;
  text-decoration: none;
}

.blog-cards .card-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--steel-mist);
}

.blog-cards .card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-cards .card-body {
  padding: 16px 18px 20px;
}

.blog-cards .card-body time {
  display: block;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: 8px;
}

.blog-cards .card-body h3 {
  font-size: 1.02rem;
  line-height: 1.6;
  margin: 0 0 10px;
  color: var(--steel-deep);
  text-wrap: balance;
  word-break: auto-phrase;
  line-break: strict;
  overflow-wrap: break-word;
}

.blog-cards .card-body p {
  font-size: .82rem;
  line-height: 1.75;
  margin: 0;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-cards .blog-card > a:hover h3 {
  color: var(--lime-deep);
}

/* 記事本文 */
.article > h1 {
  font-size: clamp(1.5rem, 2.9vw, 2.1rem);
  line-height: 1.6;
  letter-spacing: .02em;
  margin: 0 0 26px;
  color: var(--steel-deep);
  text-wrap: balance;
  word-break: auto-phrase;
  line-break: strict;
  overflow-wrap: break-word;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.1rem;
  font-size: .8rem;
  color: var(--muted);
  margin: 0 0 18px;
}

.post-meta time {
  color: var(--lime-deep);
  font-weight: 700;
}

.article-eyecatch {
  margin: 0 0 34px;
  background: var(--steel-mist);
  overflow: hidden;
}

.article-eyecatch img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-content h2 {
  scroll-margin-top: 6rem;
  margin-top: 2.4em;
}

.article-content > h2:first-child {
  margin-top: 0;
}

.article-content a {
  text-decoration: underline;
}

.article-content .source-list {
  font-size: .86rem;
}

/* シェアボックス */
.article > .share-box {
  margin: 46px 0 40px;
  padding: 22px 24px;
  background: var(--steel-mist);
  border-top: 3px solid var(--lime);
  text-align: center;
}

.share-box h2 {
  font-size: 1rem;
  margin: 0 0 14px;
  padding: 0;
  border: 0;
  color: var(--steel-deep);
}

.share-box h2:after {
  display: none;
}

.share-box .share-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.share-box a {
  display: inline-block;
  padding: 9px 20px;
  background: var(--steel);
  color: #fff;
  text-decoration: none;
  font-size: .82rem;
}

.share-box a:hover {
  background: var(--lime-deep);
  color: #fff;
}

/* サイドバー: 広告と目次で縦に長いため追従させない */
.content-layout .sidebar {
  position: static;
}

.sidebar nav ol {
  margin: 0;
  padding-left: 1.25rem;
}

.sidebar nav li + li {
  margin-top: 9px;
}

.amazon-banner {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--lime);
  padding: 16px 18px;
}

.amazon-banner a {
  display: block;
  text-decoration: none;
  color: var(--steel-deep);
  font-size: .82rem;
  line-height: 1.6;
}

@media (max-width: 800px) {
  .blog-cards {
    grid-template-columns: 1fr;
  }

  .blog-head .container {
    padding: 40px 0 34px;
  }

  .index-stack {
    padding-top: 40px;
    padding-bottom: 60px;
  }
}

@media (max-width: 768px) {
  .article-content {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ADSENSE-ANNO:BEGIN */
/* Neutralize Google AdSense auto-annotation links that break text flow */
.article-body a.google-anno,
.article-body a[data-google-vignette],
.main a.google-anno,
.content a.google-anno,
a.google-anno,
a[data-google-vignette] {
  color: inherit !important;
  text-decoration: none !important;
  border-bottom: 0 !important;
  pointer-events: none;
  cursor: text;
}
/* ADSENSE-ANNO:END */