/* ==========================================================================
   大阪万博・展示映像の復元作業 特設ページCSS (Revised PDF Match)
   ========================================================================== */

body {
  background-color: #f0f4f8 !important;
}

/* メインコンテナ */
.p-expo-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* ページセクション (PDFの各ページに対応) */
.p-expo-pdf-page {
  background: #ffffff;
  border: 2px solid #d9e2ec;
  border-radius: 12px;
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.03);
  position: relative;
}

/* ページ番号バッジ */
.p-expo-pdf-page__number {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: bold;
  letter-spacing: 0.05em;
  background: var(--color-bg-light);
  padding: 2px 8px;
  border-radius: 2px;
  border: 1px solid var(--color-border);
}

/* タイポグラフィ */
.p-expo-title-large {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 30px;
  line-height: 1.3;
}

.p-expo-section-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-top: 60px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 8px;
  text-align: center;
}

.p-expo-section-subtitle {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: var(--color-accent);
  margin-top: 35px;
  margin-bottom: 20px;
  font-weight: bold;
  text-align: center;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: center;
}

.p-expo-section-subtitle::before,
.p-expo-section-subtitle::after {
  content: "";
  height: 1px;
  flex-grow: 1;
  background-color: var(--color-accent);
  max-content: 60px; /* max-widthの代用、もしくはそのまま */
  max-width: 60px;
  margin: 0 15px;
}

.p-expo-meta {
  font-size: 0.9rem;
  color: var(--color-text-dark);
  font-weight: 500;
  background: #e9edf2;
  padding: 10px 15px;
  border-left: 3px solid var(--color-primary);
  margin-bottom: 25px;
}

.p-expo-text {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text-dark);
  margin-bottom: 20px;
}

/* 画像プレースホルダー */
.p-expo-placeholder {
  margin: 25px auto;
  max-width: 600px;
  background: #f8fafc;
  border: 2px dashed #cbd5e0;
  border-radius: var(--border-radius);
  padding: 30px 20px;
  text-align: center;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.01);
}

.p-expo-placeholder__box {
  font-size: 0.95rem;
  font-weight: bold;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.p-expo-placeholder__box::before {
  content: "📷";
  font-size: 1.8rem;
}

.p-expo-placeholder__caption {
  font-size: 0.85rem;
  color: var(--color-text-dark);
  line-height: 1.4;
  border-top: 1px solid var(--color-border);
  padding-top: 10px;
  margin-top: 10px;
}

/* 画像に右下方向の影を追加 */
.p-expo-container img {
  box-shadow: 6px 6px 18px rgba(0, 0, 0, 0.25);
  cursor: zoom-in;
}

/* ページトップに戻るボタンのオーバーライド */
.p-story-back-to-top {
  text-align: center;
  margin: 50px 0;
}

.p-story-back-to-top a {
  display: inline-block;
  background-color: #ffffff !important;
  color: var(--color-primary) !important;
  border: 1px solid var(--color-primary) !important;
  padding: 5px 16px;
  border-radius: 15px;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.8rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.p-story-back-to-top a:hover {
  background-color: var(--color-primary) !important;
  color: #ffffff !important;
  border-color: var(--color-primary) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.p-story-back-to-top a::after {
  display: none !important;
}

.p-story-back-to-top a::before {
  content: "▲";
  margin-right: 8px;
  font-size: 0.95em;
}

/* ページ内目次リンクボタン */
.p-expo-nav__button {
  background-color: #ffffff !important;
  color: var(--color-primary) !important;
  border: 1px solid var(--color-primary) !important;
}

.p-expo-nav__button:hover {
  background-color: var(--color-primary) !important;
  color: #ffffff !important;
  border-color: var(--color-primary) !important;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2) !important;
}

.p-expo-nav__button:hover span {
  color: #ffffff !important;
  opacity: 0.9;
}

/* ライトボックス背景のフィルターをさらに濃く設定 */
.p-lightbox-modal {
  background-color: rgba(0, 0, 0, 0.96) !important;
}