body {
	width: 100%;
	background-color: #FFFFFF;
	color: #333;
}
h1 { margin:50px auto; text-align:center;}

body, #sideNavi, .side-navi-item, .side-navi-data {
  margin: 0;
  padding: 0;
}

#sideNavi {
  position: fixed;
  right: 50px;
  top: 25%;
}

.side-navi-item {
  position: absolute;
  display: inline-block;
  width: 150px;
  height: 50px;
  transform: rotate(-90deg);
  transform-origin: left top 0;
  color: #fff;
  background-color: #384047;
  cursor: pointer;
  border-radius: 5px 5px 0 0;
}

.side-navi-item.item1 {
  top: 180px;
  left: 0;
}

.side-navi-item.item2 {
  top: 355px;
  left: 0;
}

.side-navi-item.active {
  background-color: #e5e5e5;
  color: #000;
}

.side-navi-item > div {
  padding-top: 15px;
  text-align: center;
}

.side-navi-data {
  position: absolute;
  top: 0;
  left: 50px;
  width: 350px;
  
  height: auto;
  background-color: #e5e5e5;
}

.side-navi-tab { display: none; }

.side-navi-tab.active {
  display: inline-block;
  color: #000;
}

.side-navi-tab > div { padding: 30px; }