@charset "utf-8";

.im_veiw {
  width: 100%;
  height: 100vh;
  position: relative;
  background-image: url("../img/bg.svg");
  background-size: cover;
  overflow: hidden;
}

.im_veiw .top_bg {
  width: 100%;
  float: left;
  margin-bottom: 15px;
}

.im_veiw .top_bg img {
  width: 100%;
}

.btn_box {
  width: 100%;
  text-align: center;
  box-sizing: border-box;
  padding: 30px;
}

.btn_box .btn {
  width: 100%;
  margin-bottom: 15px
}


.btn_box .btn.mb_40 {
  margin-bottom: 40px;
}

.btn_box .btn > img {
  width: 100%;
}