body{
  /* デフォルト文字色指定 */
  color:#ff0000;
  font-family:"ヒラギノ丸ゴ Pro W4","ヒラギノ丸ゴ Pro","Hiragino Maru Gothic Pro","ヒラギノ角ゴ Pro W3","Hiragino Kaku Gothic Pro","HG丸ｺﾞｼｯｸM-PRO","HGMaruGothicMPRO";
}

div.header_and_title{
  position: relative;
   /* 背景色指定 */
  background-color: #FFA1B2;
}

div.content_wrapper{
  position: absolute;
  width: 100%;
  height: auto;
  background:  url("../img/background_contents.png") no-repeat center / cover #FFA1B2;
  background-blend-mode: multiply;
  background-size: cover;
}

img.header{
  opacity:0.6;
}

img.title_center{
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80%;
  height: auto;
  transform: translate(-50%, 150%);
  z-index: 10;
}

img.background{
  position: absolute;
  width: 100%;
  z-index: 10;
}

div.contents_img_container{
  display: flex;
  margin: 5%;
  text-align: center;
}

div.contents_img{
  position: relative;
  height: auto;
}

img.contents_img{
  width: 80%;
  height: auto;
}


div.content_container{
  margin: 3%;
  padding: 3%;
  background-color: rgba(255, 255, 255, 0.3);
}