*{margin:0;padding:0;}

.em{color: #444;font-weight: bold;}

a{color: #13AFBD;text-decoration: none;}
a:hover{text-decoration: underline;}


body{
  color: #777;
  font-size: 14px;
  letter-spacing: 1px;
  font-family: Arial,Helvetica,"ヒラギノ角ゴ Pro W3","Hiragino Kaku Gothic Pro","ＭＳ ゴシック",MS Gothic,sans-serif;
  height: 100%;
}

.fa-check-square{
  color: #268A92;
  margin-right: 10px;
}

.logo{
  color: #B0E9FF;
  font-size: 35px;
  font-family: 'Habibi', serif;
  text-align: center;
  margin: 10px 0;
}

.logo span{
  color: #fff;
  font-size: 12px;
}

header{
  position: fixed;
  top: 0;
  left: 0;
  width: 240px;
  height: 100%;
  background: #2B3546;
}

header .title{
  color: #2B3546;
  padding: 10px;
  background: #ACCDD8;
}

header ul{
  margin: 10px 20px;
}

header li{
  font-size: 12px;
  text-indent: 5px;
  height: 30px;
  line-height: 30px;
  border-bottom: dotted 1px #ccc;
}

header li a{
  display: block;
  color: #fff;
}


.contents{
  margin: 20px 40px 20px 270px;
}

.contents .title{
  color: #333;
  font-size: 17px;
  font-weight: bold;
  padding: 15px 10px;
  box-shadow: 2px 2px 0 #ccc;
  background: #eee;
}

.contents .text{
  font-size: 13px;
  line-height: 2;
  margin:10px;
}

.demo{
  margin-bottom: 30px;
  overflow: hidden;
}

.midasi{
  display: inline-block;
  color: #444;
  font-size: 17px;
  font-weight: bold;
  font-family: 'Habibi', serif;
  padding: 5px;
  margin: 10px 0;
  border-bottom: solid 2px #ccc;
}

.mt{margin-top: 30px;}
.mt50{margin-top: 50px;}

.code{
  color: #fff;
  font-size: 13px;
  line-height: 1.5;
  padding: 10px;
  margin: 20px;
  border: solid 3px #ccc;
  background : #333;
}

.highlight{
  display: inline-block;
  padding: 2px;
  background: #59ACBE;
}

.sample{
  padding: 20px;
  margin: 20px;
  border: solid 1px #ccc;
}

.sample p{
  margin-bottom: 10px;
}

.sample-code{
  font-size: 20px ;
}

.cap{
  padding: 20px;
  margin: 20px;
  border: dotted 2px #CCA1A1;
  background: #FFEFF4;
}

.cap p:not(.cap-title){
  line-height: 1.7;
  color: #444;
  font-size: 13px;
}

.cap-title{
  color: #B64F4F;
  font-size: 15px;
  font-weight: bold;
  margin-bottom: 10px;
}

.code-sampe{
  font-size: 18px;
  padding: 20px;
  margin: 20px;
  border: solid 1px #EB8C4D;
  background: #FFF5E0;
}

button{
  color: #fff;
  cursor: pointer;
  font-weight: bold;
  font-size: 17px;
  letter-spacing: 2px;
  margin-left: 30px;
  padding: 5px 30px;
  border: none;
  border-radius: 3px;
  border: solid 1px #31879C;
  background: #2682bf; /* Old browsers */
  background: -moz-linear-gradient(top,  #2682bf 0%, #3988b2 99%); /* FF3.6+ */
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#2682bf), color-stop(99%,#3988b2)); /* Chrome,Safari4+ */
  background: -webkit-linear-gradient(top,  #2682bf 0%,#3988b2 99%); /* Chrome10+,Safari5.1+ */
  background: -o-linear-gradient(top,  #2682bf 0%,#3988b2 99%); /* Opera 11.10+ */
  background: -ms-linear-gradient(top,  #2682bf 0%,#3988b2 99%); /* IE10+ */
  background: linear-gradient(to bottom,  #2682bf 0%,#3988b2 99%); /* W3C */
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#2682bf', endColorstr='#3988b2',GradientType=0 ); /* IE6-9 */
}

.hover-btn{
  display: inline-block;
  color: #fff;
  font-weight: bold;
  font-size: 17px;
  letter-spacing: 2px;
  margin-left: 30px;
  padding: 5px 30px;
  border: none;
  border-radius: 3px;
  border: solid 1px #31879C;
  background: #1354B4;
  position: relative;
}