html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
}
/* ===============================
   チラシ表示エリア 共通スタイル
================================= */
.flyer-display,
.flyer-pdf {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ===============================
   チラシ画像表示（JPG/PNGなど）
================================= */
.flyer-display img {
  width: 100%;
  max-width: 800px;
  height: auto;
  aspect-ratio: 1 / 1.41; /* A4縦の比率 */
  object-fit: contain;
  display: block;
  margin: 0 auto;
  border: 1px solid #ccc;
  box-shadow: 2px 2px 6px rgba(0,0,0,0.1);
}

/* ===============================
   PDF表示（iframe）
================================= */
.flyer-pdf iframe {
  width: 100%;
  max-width: 800px;
  height: 1320px;
  border: none;
  display: block;
  box-sizing: border-box;
}

/* ===============================
   スマホ向け調整
================================= */
@media screen and (max-width: 600px) {
.flyer-pdf {
  width: 100vw;
  max-width: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  overflow: hidden;
}

  .flyer-display img {
    margin-bottom: 5px;
  }

.flyer-pdf iframe {
  width: 100%;
  height: 1320px; /* または 100vh など、調整可能 */
  border: none;
  display: block;
  box-sizing: border-box;
}
}