html {
  font-size: 100%;
}
body {
  font-size: 15px;
  font-size: 0.9375rem;
  font-family: "Open sans", Helvetica, Arial, sans-serif;
  color: #666666;
  padding: 0;
}

/****************************
header
*****************************/
.jumbotron {
    height: 250px;
    background: url("../images/background.jpg") center 0 no-repeat;
    background-size: cover;
    position: relative;
}
.jumbotron_word {
    height: 250px;
    background: url("../images/wordcloud.jpg") center 0 no-repeat;
    background-size: cover;
    position: relative;
}
.header_text{
    padding-top:0px;
    padding-left:32px;
    padding-right:0px;
    padding-bottom:8px;
    opacity: 0.90; /* 55％不透明度(＝45％透過) */
    background-color: #222222;
    color: #FFFFFF;
    position: absolute;
    bottom:0;
    width:100%;
}

.facebook_btn{
    padding-left:8px;
}
/****************************
TYPOGRAPHY
*****************************/
h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
  font-family: "Open sans", Helvetica, Arial, sans-serif;
  font-weight: 400;
  color:#333333;
}
h1 {
  font-size: 40px;
  font-size: 2.5rem;
}
h2 {
  font-size: 36px;
  font-size: 2.25rem;
}
h3 {
  font-size: 30px;
  font-size: 1.875rem;
}

/****************************
Design
*****************************/
.section-title{
  display: block;
  width: 100%;
  overflow: hidden;
  margin: 0px 0 25px;
  text-align: center;
  font-weight: 300;
  text-transform: uppercase;
  font-size: 36px;
  font-size: 2.25rem;
  letter-spacing: 1px;
}

.section-title span{
  display: inline-block;
  position: relative;
}
.section-title span:before,
.section-title span:after {
  content: "";
  position: absolute;
  height: 4px;
  top: .53em;
  width: 400%;
  border-bottom: 1px solid #ccc;
  border-top: 1px solid #ccc;
}
.section-title span:before{
  right: 100%;
  margin-right: 45px;
}
.section-title span:after{
  left: 100%;
  margin-left: 45px;
}

.book {
  width:150px;
  padding:0;
  margin:0 15px 15px 0;
}

.ranking {
  list-style-image: url(../images/crown.png);
}

.links ul{
  list-style:none;
}

.links span {
  margin-right: 5px;
}

/****************************
footer
*****************************/
#footer {
  background: #232323;
  padding: 30px 0 0 0;
  font-size: 12px;
  color: #999;
}
#footer a {
  color: #ccc;
}
#footer a:hover {
  color: #fff;
}
#footer h3.widget-title {
  font-size: 15px;
  font-size: 0.9375rem;
  text-transform: uppercase;
  color: #ccc;
  margin: 0 0 20px;
}
#underfooter {
  background: #191919;
  padding: 15px 0;
  color: #777;
  font-size: 12px;
}
#underfooter a {
  color: #aaa;
}
#underfooter a:hover {
  color: #fff;
}
#underfooter p {
  margin: 0;
}
