/*自由に書き込む*/
body {
  background-color: rgba(101, 153, 19, 1);
  height: 95%;
}

.back{
  height: 100%;
  width: 100%;
  background-size:cover;
  background-color: rgb(15, 20, 6);
}

.title_box {
 position: fixed;
 right: 0px;
 left: 0px;
 top: 0px;
 bottom: 0px;
 margin: auto;
 color: rgba(255, 255, 255, 1);
 background: rgba(0, 0, 0, 0);/*0.1で設定用視認*/
 width: 50%;/*850px;*/
 fill: rgba(255, 255, 255, 1);
}