/*
Theme Name: おけらこブログ
Theme URI: https://okrako.com/blog
Description: 静的サイト(okrako.com)と統一感のあるシンプルなブログ用テーマ。静的サイトのCSSを継承し、ブログ固有のスタイルを最小限追加。
Author: Claude Code（株式会社スターシェア）
Version: 1.0.0
*/

/* ---- ブログ専用追加スタイル（静的サイトCSSの上に積む） ---- */

/* ページ全体 */
.blog-section { padding: 40px 0; background: #fff; }
.blog-section .container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
/* page-titleはヒーローに置き換えたので不使用 */

/* 記事一覧（グリッド形式：PC3列／タブレット2列／スマホ1列） */
.blog-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: left;
}
@media (max-width: 1024px) {
  .blog-list { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (max-width: 600px) {
  .blog-list { grid-template-columns: 1fr; gap: 18px; }
}

.blog-item {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #ececec;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  padding: 0;
  margin: 0;
  border-bottom: 1px solid #ececec;
  transition: box-shadow .2s, transform .2s;
}
.blog-item:hover {
  box-shadow: 0 4px 14px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.blog-item .blog-thumb {
  display: block;
  margin: 0;
  overflow: hidden;
}
.blog-item .blog-thumb img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 0;
  max-width: 100%;
  display: block;
  transition: transform .3s;
}
.blog-item:hover .blog-thumb img { transform: scale(1.03); }

.blog-item .blog-title {
  font-size: 1.05em;
  margin: 16px 16px 4px 16px;
  font-weight: 600;
  line-height: 1.5;
}
.blog-item .blog-title a {
  color: #2F3053;
  text-decoration: none;
}
.blog-item .blog-title a:hover { text-decoration: underline; }

.blog-item .blog-date { color: #888; font-size: 0.85em; margin: 0 16px 10px 16px; }

.blog-item .blog-excerpt {
  color: #444;
  line-height: 1.65;
  margin: 0 16px 14px 16px;
  font-size: 0.9em;
  flex-grow: 1;
}

.blog-item .blog-readmore {
  display: inline-block;
  padding: 8px 16px;
  background: #2F3053;
  color: #fff !important;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9em;
  align-self: flex-start;
  margin: 0 16px 16px 16px;
}
.blog-item .blog-readmore:hover { background: #1a1b3d; }

/* 単記事ページ */
.blog-single { max-width: 800px; margin: 0 auto; padding: 60px 0 30px 0; text-align: left; }
.single-title { color: #2F3053; font-size: 1.7em; margin: 0 0 6px 0; font-weight: 600; line-height: 1.4; }
.single-meta  { color: #888; font-size: 0.9em; margin: 0 0 24px 0; }
.single-thumb { margin-bottom: 24px; }
.single-thumb img { width: 100%; height: auto; border-radius: 8px; }
.single-content { color: #333; line-height: 1.8; font-size: 1.05em; }
.single-content p { margin: 12px 0; }
.single-content h2, .single-content h3, .single-content h4 { color: #2F3053; margin: 24px 0 12px 0; }
.single-content h2 { font-size: 1.4em; }
.single-content h3 { font-size: 1.2em; }
.single-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 16px 0;
  display: block;
}
.single-content a { color: #2F3053; text-decoration: underline; }
.single-content blockquote {
  border-left: 3px solid #2F3053;
  padding: 8px 16px;
  margin: 16px 0;
  background: #f8f8f9;
  color: #555;
}
.back-to-list { text-align: center; margin: 40px 0 0; }
.back-to-list .btn {
  display: inline-block;
  padding: 10px 22px;
  background: #2F3053;
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
}

/* ページネーション */
.pagination { text-align: center; padding: 24px 0; }
.pagination .page-numbers {
  display: inline-block;
  padding: 8px 14px;
  margin: 0 3px;
  border: 1px solid #ddd;
  border-radius: 4px;
  color: #2F3053;
  text-decoration: none;
  background: #fff;
}
.pagination .page-numbers.current,
.pagination .page-numbers:hover {
  background: #2F3053;
  color: #fff;
  border-color: #2F3053;
}

/* スマホ調整 */
@media (max-width: 768px) {
  .blog-section { padding: 20px 0; }
  .page-title { font-size: 1.2em !important; padding: 18px 16px !important; margin-bottom: 20px !important; }
  .blog-item { padding: 20px 0; }
  .blog-item .blog-title { font-size: 1.15em; }
  .blog-single { padding: 16px 0; }
  .single-title { font-size: 1.3em; }
  .single-content { font-size: 1em; }
}

/* WPブロックエディタの基本要素も最低限カバー */
.wp-block-image { margin: 16px 0; }
.wp-block-image img { max-width: 100%; height: auto; border-radius: 6px; }
.wp-caption-text, .wp-element-caption { color: #777; font-size: 0.9em; text-align: center; }


/* ============================================================
   ヒーローセクション（静的サイトと同じ感）
   ============================================================ */
body.blog .main-visual,
body.archive .main-visual,
body.home .main-visual {
  position: relative;
  width: 100%;
  height: 500px;
  overflow: hidden;
}
body.blog .main-visual .slideshow-container,
body.archive .main-visual .slideshow-container,
body.home .main-visual .slideshow-container {
  width: 100%;
  height: 500px;
  position: relative;
}
body.blog .main-visual .slide img,
body.archive .main-visual .slide img,
body.home .main-visual .slide img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  object-position: center center;
}
body.blog .main-visual .slide-text,
body.archive .main-visual .slide-text,
body.home .main-visual .slide-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  color: #fff;
  background: rgba(0,0,0,0.4);
  padding: 24px 40px;
  border-radius: 10px;
  text-align: center;
  width: 80%;
  max-width: 700px;
}
body.blog .main-visual .slide-text h2,
body.archive .main-visual .slide-text h2,
body.home .main-visual .slide-text h2 {
  color: #fff !important;
  font-size: 2em;
  margin: 0 0 8px 0;
  font-weight: 600;
}
body.blog .main-visual .slide-text p,
body.archive .main-visual .slide-text p,
body.home .main-visual .slide-text p {
  color: #fff !important;
  font-size: 1em;
  margin: 0;
}
@media (max-width: 768px) {
  body.blog .main-visual,
  body.archive .main-visual,
  body.home .main-visual,
  body.blog .main-visual .slideshow-container,
  body.archive .main-visual .slideshow-container,
  body.home .main-visual .slideshow-container,
  body.blog .main-visual .slide img,
  body.archive .main-visual .slide img,
  body.home .main-visual .slide img {
    height: 360px !important;
  }
  body.blog .main-visual .slide-text h2,
  body.archive .main-visual .slide-text h2,
  body.home .main-visual .slide-text h2 {
    font-size: 1.4em;
  }
  body.blog .main-visual .slide-text,
  body.archive .main-visual .slide-text,
  body.home .main-visual .slide-text {
    padding: 16px 20px;
  }
}


/* 単記事ページ：題名がヘッダーと近すぎないよう上余白を確保 
   ※ 静的サイトのheaderはposition:absoluteで高さを占めないので
      ここで明示的にヘッダー分(70-90px)＋余白を確保する */
body.single .blog-section,
body.page .blog-section { padding-top: 130px !important; }
body.single .blog-single,
body.page .blog-single { padding-top: 0 !important; }
@media (max-width: 768px) {
  body.single .blog-section,
  body.page .blog-section { padding-top: 100px !important; }
}


/* ============================================================
   前後記事ナビゲーション（単記事ページ下部）
   ============================================================ */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 40px 0 20px 0;
  padding-top: 30px;
  border-top: 1px solid #e0e0e2;
}
.post-nav-prev, .post-nav-next {
  display: flex;
}
.post-nav-prev a, .post-nav-next a {
  display: block;
  width: 100%;
  padding: 16px 18px;
  background: #fff;
  color: #2F3053;
  text-decoration: none;
  border: 1px solid #e0e0e2;
  border-radius: 8px;
  transition: all .2s;
}
.post-nav-prev a:hover, .post-nav-next a:hover {
  background: #2F3053;
  color: #fff;
  border-color: #2F3053;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
.post-nav-prev { justify-content: flex-end; }
.post-nav-prev a { text-align: right; }
.post-nav-next { justify-content: flex-start; }
.post-nav-next a { text-align: left; }
.post-nav-label {
  display: block;
  font-size: 0.85em;
  color: #888;
  margin-bottom: 6px;
  font-weight: 600;
}
.post-nav-prev a:hover .post-nav-label,
.post-nav-next a:hover .post-nav-label { color: #ccc; }
.post-nav-title {
  display: block;
  font-size: 0.95em;
  font-weight: 500;
  line-height: 1.4;
  /* 2行で省略 */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
@media (max-width: 600px) {
  .post-nav { grid-template-columns: 1fr; gap: 10px; }
  .post-nav-prev a, .post-nav-next a { padding: 12px 14px; }
}