body {
  background-image: url(../page/BG.png);
  min-width: 1000px;
  max-width: 1000px;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
  height: 100%;
  font-family: "Noto Serif JP", serif;
  font-optical-sizing: auto;
  font-weight: 700;
  font-style: normal;
}

.logo {
  float: left;
  width: 90%;
  height: 450px;
  margin-left: 50px;
  margin-top: 600px;
}

.biaoti {
  color: white;
  float: left;
}

.left {
  float: left;
  color: white;
  margin-left: 220px;
  margin-top: 60px;
  font-size: 35px;
  width: 250px;
  height: 80px;
  text-align: center;
  justify-content: center;
}

.right {
  float: left;
  letter-spacing: 20px;
  margin-left: 60px;
  margin-top: 60px;
  color: white;
  width: 220px;
  height: 70px;
  background-color: firebrick;
  font-size: 35px;
  text-align: center;
  justify-content: center;
}

h3 {
  margin-top: 5px;
  margin-left: 15px;
}

.wb {
  float: left;
  height: 70px;
  width: 70px;
  margin-top: 500px;
  margin-left: -210px;
}

.x {
  float: left;
  height: 70px;
  width: 70px;
  margin-top: 500px;
  margin-left: -370px;
}

.text8 {
  float: left;
  color: white;
  margin-top: 30px;
  margin-left: 180px;
  text-align: center;
  line-height: 10px;
  font-size: 20px;
}