/* CSS Document */
body {
  width: 100%;
}

html, body, header, footer, div {
  margin: 0;
  padding: 0;
}

#osarai-contents {
  overflow: hidden;
  position: relative;
  text-align: center;
  width: 100%;
  min-height: 721px;
  background: #fffbc4;
}

#osarai-movie {
  position: relative;
}
#osarai-movie > img {
  position: relative;
  z-index: 0;
}
#osarai-movie iframe {
  position: absolute;
  display: block;
  top: 4.7%;
  left: 3.2%;
  width: 93.75%;
  height: 75.6%;
  z-index: 9;
  margin: 0;
}

#title_top_div {
  display: block;
  position: relative;
}

#banner {
  position: relative;
  margin: 5px 10px 5px 10px;
}

.btn {
  position: relative;
  margin: 5px 5px 5px 5px;
  cursor: pointer;
}