@charset "utf-8";

body {
  width: auto;
  margin: 0 auto;
  padding: auto;
  color: #000000;
  font-size: 15px;
  line-height: 2;
  background-color: white;
}                                           

p,h1,h2,h3,h4,h5,h6{
  margin-top: 0;
}

ul{
  margin: auto;
  padding: auto;
}

page{
  display: block;
  margin-bottom: 15%;
}


.back{
  position: absolute;
  right:80%;
}
.next{
  position: absolute;
  left:80%;
}

.next li, .back li{
  list-style: none;
  float: left;
}
a{
  color: #5b5bff;
  text-decoration: none;
}

a:visited{
  color: #ad5bff;
}

a:hover {
  text-decoration: underline;
}

.next a, .back a{
  font-size: 20px;
  text-decoration: none;
  color: darkgray;
}


header{
  width: auto;
  z-index: 90;
  margin: auto;
  margin-top:0;
  background-color: #333;
  color:#ffffff;
  position: fixed;
  box-shadow: 0 0 10 0 rgba(0,0,0,0.25);
   position: -webkit-sticky;
   position: sticky;
   top: 0;
}

.logo {
  float: left;
  margin: 15px;
  margin-left: 5px;
}

.global-nav {
  list-style-type: none;
  margin: 0;
  padding:0;
  overflow:hidden;
  background-color: #333;
}

.global-nav li {
  float: left;
  margin: 15px;
  padding: 0 auto;
  font-size: 18px;
  list-style: none;
  
}

.global-nav li a {
  display: block;
  color: #ffffff;
  text-align: center;
  padding:10px 12px;
  text-decoration: none;
}

.global-nav li a:hover{
  border-bottom: 2px solid #1e90ff;
  padding-bottom: 3px;
  text-decoration: none;
}

.global-nav li div{
  background-color:#333 ;
  border-top: 0;
  border-radius: 0 0 0 0;
  box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.055);
  display: none;
  margin: 0;
  opacity: 0;
  position: absolute;
  width: auto;
  visibility: hidden;
  -webkit-transiton: opacity 0.2s;
  transition: opacity 0.2s;
}
 
.global-nav li:hover div{
  display: block;
  opacity: 1;
  visibility: visible;
}

.global-nav li div ul li{
  display:block;
  float: inherit;
}

.global-nav li div ul li a{
  color: #ffffff;
  display: block;
  padding: 10px 12px;
  text-decoration: none;
  text-align: center;
  font-size: 15px;
  margin-left: 0;
}

.global-nav li div ul li:hover a{
  background-color: rgba( 255, 255, 255, 0.1);
}

.btn-cross {
   position: fixed;
  display: inline-block;
  position: relative;
  padding: 0.25em 1em;
  border-top: solid 3px #003366;
  border-bottom: solid 3px #003366;
  text-decoration: none;
  font-weight: bold;
  color: #5b5bff;
    -webkit-text-stroke:0.1px #003399;
    text-stroke:0.1px #003399;
    float: right;
    margin-right: 30px;
    margin-top: 10px;
    font-size: 20px;
    background: #fff;
    z-index: 80;
    
}
.btn-cross:before, .btn-cross:after {
  content: '';
  position: absolute;
  top: -7px;
  width: 2px;
  height: -webkit-calc(100% + 14px);
  height: calc(100% + 14px);
  background-color: #003399;
  transition: .3s;
}
.btn-cross:before {
  left: 7px;
}
.btn-cross:after {
  right: 7px;
}
.btn-cross:hover:before {
  top: 0px;
  left:0;
  height: 100%;
}
.btn-cross:hover:after {
  top: 0px;
  right: 0;
    height: 100%;
}


.clearfix:after{
  content:"";
  display:block;
  clear: both;
}

footer{
  display: block;
  color: #1e90ff;
  padding: 10px;
  background-color: #000000;
  width: auto;
  margin:auto;
  margin-top: 50px;
  height:auto;
  text-align: center;
}

footer .footer{
 margin: 10px auto;
}


footer .last1{
 display: inline-block;
}

footer .last img{
  margin-left:48px;
  margin-right: 48px;
  padding-left: 48px;
}

footer .co{
  font-size: 10px;
  text-align: center;
}

footer .last2{
  display: inline-block;
}
.clearfix:after{
  content:"";
  display:block;
  clear:both;
}

footer .cc{
  font-size: 10px;
  text-align:center;
}

.clearfix:after{
  content:"";
  display:block;
  clear:both;
}

.wrap{
  position: center;
  width: 100%;
  margin: 0 auto;
  background-color: white;
}

.main{
  background-color: white;
  overflow: auto;
}
 
.contents{
  width: 100%;
  height: auto;
  padding: 50px 0 30px 0;
  margin:  auto;
  background-color: white;
  text-align: left;
  margin-top: auto;
}


.top{
  position: relative;
  padding: 0.25em 0;
    z-index: 20;
  margin-left: 10%;
  margin-right: 1%;
  text-align: left;
}

.top:after{
     content: "";
  display: block;
  height: 4px;
  background: -webkit-linear-gradient(to right, rgb(230, 90, 90), transparent);
  background: linear-gradient(to right, rgb(90, 90, 230), transparent);
}

.naiyou{
  margin: 0 15%;
    margin-right: 1%;
}