.img_wrap{
  border: 1px solid #ddd;
  width: 100%;
  height: auto;
  margin: 0 auto;
  overflow: hidden;
}
.img_wrap img{
  width: 100%;
  cursor: pointer;
  transition-duration: 0.3s;
}
.img_wrap:hover img{
  opacity: 0.6;
  transition-duration: 0.3s;
}
.img_wrap1{
  width: 100%;
  height: auto;
  margin: 20px auto 0;
  transition-duration: 0.5s;
}
.img_wrap1 img{
  width: 100%;
  cursor: pointer;
}
.img_wrap1:hover{
  box-shadow: 10px 10px 10px rgba(0,0,0,0.5);
  transform: translateY(-10px);
  transition-duration: 0.5s;
}
.img_wrap3{
  width: 100%;
  height: auto;
  margin: 0 auto;
  overflow: hidden;
}
.img_wrap3 img{
  width: 100%;
  transform: scale(1.1);
  cursor: pointer;
  filter: grayscale(100%);
  transition-duration: 0.5s;
}
.img_wrap3 img:hover{
  filter: grayscale(0);
  transition-duration: 0.5s;
}
/* ここから下がボタンのCSS　*/
.btn-open {
  display: inline-block;
  width: 100%;
  height:55px;
  text-align: center;
  background-color:#3C3C3C;
  font-size: 0.35rem;
  line-height: 52px;
  color: #FFFFFF;
  text-decoration: none;
  font-weight: bold;
  border: 2px solid #3C3C3C;
  position: relative;
  overflow: hidden;
  z-index: 1;
}
.btn-open:after{
  width: 100%;
  height: 0;
  content:"";
  position: absolute;
  top: 50%;
  left: 50%;
  background : #FFFFFF;
  opacity: 0;
  transform: translateX(-50%) translateY(-50%) rotate(45deg);
  transition: .2s;
  z-index: -1;
}
.btn-open:hover{
  color: #000000;
}
.btn-open:hover:after{
  height: 800%;
  opacity: 1;
}
.btn-open:active:after{
  height: 360%;
  opacity: 1;
}

/* ここから下がボタン2のCSS　*/
.btn-open2 {
  display: inline-block;
  width: 100%;
  height:55px;
  text-align: center;
  background-color:#0071b8;
  font-size: 0.35rem;
  line-height: 52px;
  color: #FFF;
  text-decoration: none;
  font-weight: bold;
  border: 2px solid #0071b8;
  position: relative;
  overflow: hidden;
  z-index: 1;
}
.btn-open2:after{
  width: 100%;
  height: 0;
  content:"";
  position: absolute;
  top: 50%;
  left: 50%;
  background : #FFF;
  opacity: 0;
  transform: translateX(-50%) translateY(-50%) rotate(45deg);
  transition: .2s;
  z-index: -1;
}
.btn-open2:hover{
  color: #0071b8;
}
.btn-open2:hover:after{
  height: 800%;
  opacity: 1;
}
.btn-open2:active:after{
  height: 360%;
  opacity: 1;
}

/* ここから下がボタン2のCSS　*/
.btn-open3 {
  display: inline-block;
  width: 100%;
  height:55px;
  text-align: center;
  background-color:#000000;
  font-size: 0.35rem;
  line-height: 52px;
  color: #FFF;
  text-decoration: none;
  font-weight: bold;
  border: 2px solid #000000;
  position: relative;
  overflow: hidden;
  z-index: 1;
}
.btn-open3:after{
  width: 100%;
  height: 0;
  content:"";
  position: absolute;
  top: 50%;
  left: 50%;
  background : #FFF;
  opacity: 0;
  transform: translateX(-50%) translateY(-50%) rotate(45deg);
  transition: .2s;
  z-index: -1;
}
.btn-open3:hover{
  color: #000000;
}
.btn-open3:hover:after{
  height: 800%;
  opacity: 1;
}
.btn-open3:active:after{
  height: 360%;
  opacity: 1;
}



/* CSS Document */