body {
  width:80%;
  margin-left : auto;
  margin-right: auto;
}

header {
  color: #fff;
  display: block;
  width:100%;
  background-color: #203a61;
  text-align: left;
  overflow: hidden;
	margin: 20px 0 20px;
	border-radius: 6px;
	height: 150px;
	width: 100%;
}

header h1 {
  color: #fff;
  font-size:24px;
  left: calc(10% + 30px);
  top : 96px;
  margin: 0;
  padding: 0;
  position: absolute;
  text-transform: uppercase;
  z-index: 2;
}

.left {
  float : left;
  width : 50%;
}

.right {
  float : right;
  width : 50%;
}

.right div {
  width: 90%;
}

.left textarea {
  width: 90%;
  font-size:100%;
  font-family:'ヒラギノ角ゴ Pro W3','Hiragino Kaku Gothic Pro','メイリオ',Meiryo,'ＭＳ Ｐゴシック',sans-serif;
}

footer {
  clear:both;
  color: #fff;
  font-size: 80%;
  width: 100%;
  text-align: center;
  padding-top: 5px;
  padding-bottom: 5px;
  background-color: #203a61;
	margin: 20px 0 20px;
	border-radius: 6px;
}

.balloon {
  background-color:#ffff00;
  position: relative;
}

.balloon:hover .discription {
  display:inline;
}

.balloon .discription {
  position: absolute;
  display: none;
  padding: 2px;
  background-color: #ffff00;
  border-radius:5pt;
  width:180px;
  right : -204px;
  font-size: 80%;
}

.balloon .discription:after {
  position: absolute;
  border-right: 12px solid #ffff00;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  left: -12px;
  top: 5%;
  content: "";
}