.ImgBox {
    position:relative;
}

.fukidashi1 {
  display: none;
  z-index: 999;
  position: absolute;
  top:0;
  left:0;
  height: 300px;
  width: 400px;
  box-sizing: border-box;
}

.fukidashi2 {
  display: none;
  z-index: 999;
  position: absolute;
  top:0;
  left:0;
  height: 300px;
  width: 400px;
  box-sizing: border-box;
}

.fukidashi3 {
  display: none;
  z-index: 999;
  position: absolute;
  top:0;
  left:0;
  height: 300px;
  width: 400px;
  box-sizing: border-box;
}

.fukidashi4 {
  display: none;
  z-index: 999;
  position: absolute;
  top:0;
  left:0;
  height: 300px;
  width: 400px;
  box-sizing: border-box;
}

.fukidashi5 {
  display: none;
  z-index: 999;
  position: absolute;
  top:0;
  left:0;
  height: 300px;
  width: 400px;
  box-sizing: border-box;
}

.Img1:hover + .fukidashi1 {
      display: block;
}

.Img2:hover + .fukidashi2 {
      display: block;
}

.Img3:hover + .fukidashi3 {
      display: block;
}

.Img4:hover + .fukidashi4 {
      display: block;
}

.Img5:hover + .fukidashi5 {
      display: block;
}