body{
  width: 50vw;
  margin:0 auto;
}

header{
  margin: 15px auto;
}

.sub_header_title {
    text-align: center;
    margin-left: -200px;
    font-size: 1.2rem;
}

.header_title {
    text-align: center;
    font-size: 2rem;
}

.top_wrapper {
    height: 200px;
    width: 100%;
    background-image: url(../img/backgound_flower3.jpg);
    position: relative;
    margin-bottom: 50px;
}

.yui_img{
  background-image: url(../img/icon_yui.jpg);
  width: 100px;
  height: 130px;
  position: absolute;
  right: -10px;
  bottom: -50px;
  background-position: -10px -40px;
}

.img_margin{
  margin: 10px 0 ;
}

.content{
  margin-bottom: 30px;
}
.content_titile {
    width: 100px;
}
.content_details {
    width: 300px;
}
.content .title {
    display: flex;
    justify-content: space-around;
}
.stage_list {
    display: flex;
}
ul.stage_list_name {
    margin: auto;
}

.red-font{
  color: red;
  font-size: large;
}

/* モバイル版 */
@media (max-width: 1024px){
  .top_wrapper {
    background-position: 0;
  }
}