/*index.html*/
body {
  background-color: #e74c3c;
  animation: bg-color 10s infinite;
  -webkit-animation: bg-color 10s infinite;
}
@-webkit-keyframes bg-color {
  0% { background-color: #e74c3c; }
  20% { background-color: #f1c40f; }
  40% { background-color: #1abc9c; }
  60% { background-color: #3498db; }
  80% { background-color: #9b59b6; }
  100% { background-color: #e74c3c; }
}
@keyframes bg-color {
  0% { background-color: #e74c3c; }
  20% { background-color: #f1c40f; }
  40% { background-color: #1abc9c; }
  60% { background-color: #3498db; }
  80% { background-color: #9b59b6; }
  100% { background-color: #e74c3c; }
}

div {
  position: relative;
  height: 100vh;
}

.pit1 {
  font-family: Meiryo, "Hiragino Kaku Gothic Pro W3",sans-serif;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin-top: -150px;
  color: #fff;
  font-size: xx-large;
}

.pit2 {
  font-family: Meiryo, "Hiragino Kaku Gothic Pro W3",sans-serif;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin-top: -90px;
  color: #fff;
  font-size: xx-large;
}

.pit3 {
  font-family: Meiryo, "Hiragino Kaku Gothic Pro W3",sans-serif;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin-top: -30px;
  color: #fff;
  font-size: xx-large;
}

.pit4 {
  font-family: Meiryo, "Hiragino Kaku Gothic Pro W3",sans-serif;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin-top: 30px;
  color: #fff;
  font-size: xx-large;
}

.pit5 {
  font-family: Meiryo, "Hiragino Kaku Gothic Pro W3",sans-serif;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin-top: 90px;
  color: #fff;
  font-size: xx-large;
}

a { text-decoration: none; }
a:link { color: #fff; }
a:visited { color: #fff; }
a:hover { color: #fff; }
a:active { color: #fff; }

address {
  font-family: Meiryo, "Hiragino Kaku Gothic Pro W3",sans-serif;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin-top: 200px;
  font-size: 80%;
  color: #fff;
  clear: both;
}