/* ======================================================
   PR Bangladesh — post.css
   記事詳細ページ専用スタイル（PR Times スタイル）
   ====================================================== */

.prb-post-main {
  background: #f4f4f0;
  padding: 40px 0 80px;
  min-height: 100vh;
}

/* === 記事カード === */
.prb-post {
  max-width: 760px;
  margin: 0 auto;
  background: #ffffff;
  border-radius: 10px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  overflow: hidden;
}

/* === ヘッダー === */
.prb-post-header {
  padding: 40px 48px 32px;
  border-bottom: 1px solid #e8e8e8;
}

.prb-post-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  color: #006A4E;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  text-decoration: none;
  margin-bottom: 16px;
}

.prb-post-tag:hover { text-decoration: underline; }

.prb-post-title {
  font-size: 26px;
  font-weight: 900;
  color: #111111;
  line-height: 1.45;
  letter-spacing: -0.3px;
  margin: 0 0 16px;
}

.prb-post-excerpt {
  font-size: 16px;
  color: #444444;
  line-height: 1.75;
  margin: 0 0 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid #f0f0f0;
}

.prb-post-meta {
  font-size: 13px;
  color: #999999;
  display: flex;
  align-items: center;
  gap: 6px;
}

.prb-post-meta__sep { opacity: 0.5; }

/* === 投稿者・シェアバー === */
.prb-post-byline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid #eeeeee;
  margin-top: 4px;
}

.prb-post-byline__left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.prb-post-byline__author {
  font-size: 14px;
  font-weight: 700;
  color: #111111;
}

.prb-post-byline__date {
  font-size: 13px;
  color: #999999;
}

.prb-post-byline__share {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.prb-share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  text-decoration: none;
  transition: opacity 0.2s;
  border: none;
  cursor: pointer;
}

.prb-share-btn:hover { opacity: 0.85; }

.prb-share-btn--x  { background: #000; color: #fff; }
.prb-share-btn--fb { background: #1877f2; color: #fff; }
.prb-share-btn--li { background: #0a66c2; color: #fff; }
.prb-share-btn--copy { background: #e8e8e8; color: #333; }

/* === 本文 === */
.prb-post-content {
  padding: 40px 48px 48px;
  font-size: 16px;
  line-height: 1.85;
  color: #222222;
}

.prb-post-content h2 {
  font-size: 20px;
  font-weight: 800;
  color: #111;
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #006A4E;
}

.prb-post-content h3 {
  font-size: 17px;
  font-weight: 700;
  color: #111;
  margin: 32px 0 12px;
}

.prb-post-content p {
  margin: 0 0 20px;
}

.prb-post-content a {
  color: #006A4E;
  text-decoration: underline;
}

.prb-post-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 32px auto;
  border-radius: 6px;
}

.prb-post-content ul,
.prb-post-content ol {
  margin: 0 0 20px;
  padding-left: 24px;
}

.prb-post-content li { margin-bottom: 8px; }

.prb-post-content blockquote {
  border-left: 4px solid #006A4E;
  margin: 24px 0;
  padding: 12px 20px;
  background: #e8f4f0;
  color: #444;
  font-style: italic;
}

/* === フッターメタ === */
.prb-post-footer {
  background: #f8f8f6;
  border-top: 1px solid #e8e8e8;
  padding: 8px 48px 24px;
}

.prb-post-footer__row {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid #eeeeee;
}

.prb-post-footer__row:last-child { border-bottom: none; }

.prb-post-footer__label {
  font-size: 11px;
  font-weight: 800;
  color: #aaaaaa;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  width: 90px;
  flex-shrink: 0;
  padding-top: 5px;
}

.prb-post-footer__values {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.prb-post-footer__tag {
  display: inline-block;
  padding: 4px 14px;
  background: #e8f4f0;
  color: #006A4E;
  font-size: 13px;
  font-weight: 600;
  border-radius: 4px;
  text-decoration: none;
}

.prb-post-footer__tag:hover {
  background: #d0ebe3;
}

/* === 関連記事 === */
.prb-related {
  padding: 48px 0;
  max-width: 1440px;
  margin: 0 auto;
}

.prb-related .prb-container {
  padding: 0 32px;
}

.prb-related__title {
  font-size: 18px;
  font-weight: 800;
  color: #111111;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid #006A4E;
}

/* === レスポンシブ === */
@media (max-width: 840px) {
  .prb-post { border-radius: 0; }
  .prb-post-header,
  .prb-post-content,
  .prb-post-footer { padding-left: 24px; padding-right: 24px; }
  .prb-post-title { font-size: 22px; }
}

@media (max-width: 640px) {
  .prb-post-main { padding: 0 0 60px; }
  .prb-post-header { padding: 28px 20px 24px; }
  .prb-post-content { padding: 28px 20px; }
  .prb-post-footer { padding: 8px 20px 20px; }
  .prb-post-title { font-size: 20px; }
  .prb-post-footer__row { flex-direction: column; gap: 8px; }
  .prb-post-footer__label { width: auto; }
}