body {
	font-family:"serif";
}

.button {
  width: 150px;
  background-color: transparent;
  border: solid 2px #3cb371;
  color: #fff;
  padding: 10px 30px;
  text-decoration: none;
  font-size: 120%;
//  font-weight: bold;
}

.button2 {
  background-color: transparent;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

.button3 {
  width: 150px;
  background-color: transparent;
  color: #000;
  text-decoration: none;
  font-weight: bold;
}

.button4 {
  width: 150px;
  background-color: transparent;
  border: solid 2px #3cb371;
  color: #a52a2a;
  padding: 10px 30px;
  text-decoration: none;
  font-size: 120%;
  font-weight: bold;
}

.div3 {
  background-image: url('/image/haikei_as1.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.div2 {
  background-image: url('/images/0001.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}