@charset 'UTF-8';



/*********************************************
/*
/* Intersection
/*
/********************************************/

/****************************************
body
****************************************/
body {
  background: #fbfbfb;
}

img {
  max-width: 100%;
  height: auto;
}

.main {
  margin-bottom: 20px;
}


/*********************************************
/*
/* Header
/*
/********************************************/

/****************************************
.header
****************************************/
.header {
  border-top: 6px solid #2771C5;
  background: #fff;
}


/****************************************
.site-logo
****************************************/
.site-logo {
  margin-top: 16px;
  margin-bottom: 14px;
  padding-right: 0;
}


/*********************************************
/*
/* Navigation
/*
/********************************************/

/****************************************
.breadcrumb
****************************************/
.breadcrumb {
  padding: 0;
  background: none;
}

.breadcrumb li+li:before {
  content: '≫';
}


/****************************************
.navbar
****************************************/
.navbar {
  min-height: auto;
  margin-bottom: 0;
}

@media screen and (min-width: 768px) and (max-width: 991px) {
  .navbar .container {
    width: 100%;
  }
}

.nav-toggle {
  text-align: right;
}

.navbar-toggle {
  margin: 20px 0 0 0;
  background-image: -webkit-linear-gradient(top,#3384cf 0,#2865ac 100%);
  background-image:      -o-linear-gradient(top,#3384cf 0,#2865ac 100%);
  background-image: -webkit-gradient(linear,left top,left bottom,from(#3384cf),to(#2865ac));
  background-image:         linear-gradient(to bottom,#3384cf 0,#2865ac 100%);
}

.navbar-toggle .icon-bar {
  background-color: #FFF;
}

.navbar-inverse {
  border: none;
  border-top: 2px solid #206cc4;
  -webkit-border-radius: 0;
          border-radius: 0;
  background-color: #2865ac;
  background-image: -webkit-linear-gradient(top,#3384cf 0,#2865ac 100%);
  background-image:      -o-linear-gradient(top,#3384cf 0,#2865ac 100%);
  background-image: -webkit-gradient(linear,left top,left bottom,from(#3384cf),to(#2865ac));
  background-image:         linear-gradient(to bottom,#3384cf 0,#2865ac 100%);
  background-repeat: repeat-x;

  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff3c3c3c', endColorstr='#ff222222', GradientType=0);
  filter: progid:DXImageTransform.Microsoft.gradient(enabled=false);
}

.navbar-inverse .navbar-collapse,
.navbar-inverse .navbar-form {
  border: none;
}

.navbar-collapse {
  box-shadow: none;
}

@media screen and (min-width: 768px) {
  .navbar-collapse {
    margin-top: 0;
  }
}

.navbar-nav {
  float: none;
  margin: 0;
}

.navbar-nav li {
  width: 100%;
}

.navbar-inverse .navbar-nav>li>a,
.navbar-inverse .navbar-nav .open .dropdown-menu>li>a {
  color: #fff;
}

@media screen and (min-width: 768px) {
  .navbar-inverse .navbar-nav .open .dropdown-menu>li>a {
    color: #333;
  }
}

.navbar-inverse .navbar-nav>li>a:focus,
.navbar-inverse .navbar-nav>li>a:hover {
  color: #fff;
  background-color: #2865ac;
}

.navbar-inverse .navbar-nav>.open>a,
.navbar-inverse .navbar-nav>.open>a:focus,
.navbar-inverse .navbar-nav>.open>a:hover {
  color: #fff;
  background-color: #2865ac;
}

@media screen and (min-width: 768px) {
  .navbar-nav li {
    width: 100%;
  }
  .navbar-nav>li {
    width: calc(100% / 6);
    text-align: center;
  }
  .navbar-nav li:hover {
    background: rgba(255, 255, 255, 0.1);
  }
  .navbar-inverse .navbar-nav>li>a {
    padding: 20px 5px;
    color: #fff;
  }
}


/****************************************
.sub-nav
****************************************/
.sub-nav,
.navbar-form {
  display: none;
}

.sub-nav a {
  color: #66737f;
}

.sub-nav li:before {
  padding-right: 5px;
  content: '';
  color: #90b7df;
}

@media screen and (min-width: 768px) {
  .sub-nav {
    display: block;
    padding-top: 10px;
    text-align: right;
  }
  .navbar-form {
    display: block;
    padding: 0;
    text-align: right;
  }
}

.input-group {
  width: 280px;
}

@media screen and (min-width: 768px) {
  .navbar-form .input-group .input-group-btn {
    width: 1%;
  }
}


/*********************************************
/*
/* key-visual
/*
/********************************************/

/****************************************
.jumbotron
****************************************/
.jumbotron {
  margin: 0;
  padding: 0;
}


/****************************************
.key-visual
****************************************/
.key-visual {
  margin: 0 0 20px 0;
}

.carousel-control i {
  position: absolute;
  z-index: 5;
  top: 50%;
  display: inline-block;
  margin-top: -10px;
  color: #333333;
}

.carousel-control .fa-angle-left {
  left: 50%;
  margin-left: -10px;
}

.carousel-control .fa-angle-right {
  right: 50%;
  margin-right: -10px;
}

@media screen and (min-width: 768px) {
  .carousel-control i {
    font-size: 30px;
    width: 30px;
    height: 30px;
    margin-top: -15px;
  }
  .carousel-control .fa-angle-left {
    margin-left: -15px;
  }
  .carousel-control .fa-angle-right {
    margin-right: -15px;
  }
}

.carousel-indicators {
  display: none;
}

.carousel-inner>.item>a>img {
  width: 100%;
}


/****************************************
.page-visual
****************************************/
.page-visual {
  background-color: #BDD6EC;
  margin-bottom: 20px;
}

.pagevisual-title {
  margin: 0;
  font-size: 20px;
  padding: 15px 0 0 10px;
  height: 54px;
  color: #2B68AD;
  background-color: #E6F2FF;
  background-image: url(../img/bg-title.jpg);
  background-repeat: no-repeat;
  background-position: right top;
  -webkit-background-size: 50%;
       -o-background-size: 50%;
          background-size: 50%;
}

@media screen and (min-width: 768px) {
  .pagevisual-title {
    font-size: 30px;
    padding: 60px 0 0 50px;
    height: 160px;
    color: #2B68AD;
    background-position: right top;
    -webkit-background-size: auto;
         -o-background-size: auto;
            background-size: auto;
  }
}


/*********************************************
/*
/* MainContent-index
/*
/********************************************/

/****************************************
.feature
****************************************/
.feature-block {
  margin-bottom: 10px;
}

@media screen and (min-width: 768px) {
  .feature-block {
    margin-bottom: 0;
    text-align: center;
  }
}

.feature-block a {
  display: table;
}

@media screen and (min-width: 768px) {
  .feature-block a {
    display: block;
  }
}

.feature-block a:hover {
  text-decoration: none;
}

.feature-block a p,
.feature-block a h3 {
  display: table-cell;
  float: none;
  vertical-align: middle;
}

@media screen and (min-width: 768px) {
  .feature-block a p,
  .feature-block a h3 {
    display: block;
    float: left;
  }
}

.feature-block a p {
  padding-bottom: 0;
}

@media screen and (min-width: 768px) {
  .feature-block a p {
    margin-bottom: 0;
    padding-bottom: 10px;
  }
}

.feature-block a p img {
  border: 4px solid #ececec;
}

.feature-block a:hover p img {
  opacity: 0.5;
}

.feature-block a h3 {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 24px;
  color: #666;
}

@media screen and (min-width: 480px) {
  .feature-block a h3 {
    font-size: 40px;
    margin-top: 0;
    padding: 20px 15px 0;
  }
}

.feature-block a:hover h3 {
  color: #bbb;
}

.feature-block a h3 span {
  font-size: 14px;
  display: block;
}

.featureblock-title {
  padding-left: 0;
}


/****************************************
.home-subtitle
****************************************/
.home-subtitle {
  font-size: 25px;
  padding-left: 10px;
  border-left: 4px solid #337ec4;
}

.home-subtitle span {
  font-size: 14px;
  font-weight: normal;
  display: block;
}

@media screen and (min-width: 768px) {
  .home-subtitle {
    font-size: 40px;
  }
  .home-subtitle span {
    display: inline;
    margin-left: 20px;
  }
}


/****************************************
.nav-tabs
****************************************/
.nav-tabs li {
  width: 100%;
  padding-right: 0;
  padding-left: 0;
}

@media screen and (min-width: 768px) {
  .nav-tabs li {
    width: 190px;
    height: 52px;
    margin: 0 4px 0 0;
  }
}

.nav-tabs>li>a {
  font-size: 16px;
  margin: 0;
  padding: 14px 15px;
  text-align: center;
  -webkit-border-radius: 0;
          border-radius: 0;
  background: #cfe4f6;
}

@media screen and (min-width: 768px) {
  .nav-tabs>li>a {
    -webkit-border-radius: 8px 8px 0 0;
            border-radius: 8px 8px 0 0;
  }
}
.nav-tabs li.active a,
.nav-tabs li.active a:hover,
.nav-tabs li.active a:focus {
  color: #fff;
  background: #468dc8;
}


/****************************************
.tab-content
****************************************/
.tab-content {
  padding: 12px;
  border: 2px solid #e8e8e8;
  background: #fff;
}

.tab-content02 {
  padding: 12px;
  border: 2px solid #e8e8e8;
  background: #fff;
}

.tab-pane {
  margin-bottom: 0;
  list-style-type: none;
  -webkit-padding-start: 0;
}

.tab-pane li {

}

.tab-pane li+li {
  margin-top: 12px;
}

.tab-pane div {
  float: left;
}

.tab-pane .article-title {
  font-size: 14px;
  line-height: 1.4;
  float: left;
  display: block;
  margin: 0;
}

@media screen and (min-width: 768px) {
  .tab-pane .article-title {
    float: none;
    padding-left: 154px;
  }
}

.tab-pane .date {
  width: 80px;
  margin-right: 10px;
}

.tab-pane .label {
  display: inline-block;
  width: 60px;
  margin-right: 10px;
  padding: 0.3em 0 0.4em;
  text-align: center;
  color: #fff;
}

.label-new {
  background: #f0ad4e;
}

.label-product {
  background: #5cb85c;
}

.label-news {
  background: #5fc2df;
}

.label-topics {
  background: #e54728;
}

.label-seminer {
  background: #d34edf;
}


/*********************************************
/*
/* MainContent
/*
/********************************************/

/****************************************
.mainblock
****************************************/
.mainblock {
  padding: 25px 0;
  border: 1px solid #eaeaea;
  -webkit-border-radius: 4px;
          border-radius: 4px;
  background: #fff;
}

.inner-block p {
  padding: 0 15px;
}

.inner-block li {
  padding: 0 15px 10px;
}

@media screen and (min-width: 768px) {
  .inner-block li {
    padding: 0 15px;
  }
}


/****************************************
.article-nav
****************************************/
.article-nav ul {
  padding: 15px;
  list-style: none;
}

.article-nav li {
  display: inline-block;
}

.article-nav .prev {
  float: left;
}

.article-nav .next {
  float: right;
}

.article-nav li a {
  font-size: 14px;
  line-height: 26px;
  display: inline-block;
  width: 86px;
  height: 26px;
  text-align: center;
  border: 1px solid #ddd;
  -webkit-border-radius: 13px;
          border-radius: 13px;
}

.article-nav li a:hover {
  text-decoration: none;
  background: #eee;
}

.article-nav+.inner-block {
  border-top: 1px solid #eaeaea;
}


/****************************************
.title
****************************************/
.maintitle {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 30px;
  line-height: 1.2;
  position: relative;
  padding: 12px 30px;
  color: #2b68ad;
  border-right: 1px solid #eaeaea;
  border-bottom: 1px solid #eaeaea;
  border-left: 1px solid #eaeaea;
  background: #fff;
}

.maintitle:before {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 4px;
  content: '';
  background: -webkit-gradient(linear, left top, right bottom, from(#2b68ad), to(#90b7df));
  background: -moz-linear-gradient(left, #2b68ad, #90b7df);
  background:      linear-gradient(left, #2b68ad, #90b7df);
}

.subtitle {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 25px;
  line-height: 1.2;
  padding: 12px 20px 12px 16px;
  color: #2b68ad;
  border-top: 1px solid #eaeaea;
  border-right: 1px solid #eaeaea;
  border-bottom: 1px solid #eaeaea;
  border-left: 4px solid #2b68ad;
}

.blocktitle {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 20px;
  line-height: 1.2;
  padding: 8px 10px;
  color: #2b68ad;
  border-bottom: 2px dotted #eaeaea;
}

.boxtitle {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 24px;
  line-height: 1.2;
  padding: 8px 0;
}


/****************************************
.table
****************************************/
.tablebox {
  padding: 25px 15px;
  border: 1px solid #eaeaea;
  -webkit-border-radius: 4px;
          border-radius: 4px;
  background: #fff;
}

.table>tbody>tr>th {
  border-top: none;
  border-bottom: 2px solid #ddd;
}

.table>tbody>tr>th:first-child,
.table>tbody>tr>td:first-child {
  padding: 8px 8px 8px 15px;
}


/****************************************
.table02
****************************************/
.tablebox {
  padding: 25px 15px;
  border: none;
  -webkit-border-radius: 4px;
          border-radius: 4px;
  background: #fff;
}

.table>tbody>tr>th {
  border-top: none;
  border-bottom: none;
}

.table>tbody>tr>th:first-child,
.table>tbody>tr>td:first-child {
  padding: 8px 8px 8px 15px;
}


/****************************************
.thumb-box
****************************************/
.thumb-box {
  padding: 0;
  list-style: none;
}

.thumb-box li {
  padding: 0 15px 10px;
}

@media screen and (min-width: 768px) {
  .thumb-box li {
    padding: 0 15px;
  }
}

.thumb-box li a {
  position: relative;
  display: block;
  overflow: hidden;
  padding: 4px;
  color: #333;
  border: 1px solid #eaeaea;
  -webkit-border-radius: 4px;
          border-radius: 4px;
  background: #fff;
}

.thumb-box li a:hover {
  text-decoration: none;
  border: 1px solid #2b68ad;
}

.thumb-box li a img {
  width: 100%;
  height: auto;
}

.thumb-box h3,
.thumb-box p {
  padding: 0 15px;
}

.thumb-box button {
  float: right;
  margin: 0 15px 15px 0;
}


/****************************************
.thumb-block
****************************************/
.thumb-block {
  list-style: none;
}

.thumb-block li {
  margin-bottom: 10px;
  padding: 4px 4px 15px;
  color: #333;
  border: 1px solid #eaeaea;
  -webkit-border-radius: 4px;
          border-radius: 4px;
  background: #fff;
}

@media screen and (min-width: 768px) {
  .thumb-block li {
    padding: 4px;
  }
}

.thumb-block li div {
  position: relative;
  overflow: hidden;
}

.thumb-block li:last-child {
  margin-bottom: 20px;
}

.thumb-block li>div:first-child {
  padding-right: 0;
  padding-left: 0;
}

.thumb-block li>div:first-child img {
  width: 100%;
  height: auto;
}

.thumb-block button {
  float: right;
}


/*********************************************
/*
/* SideContent
/*
/********************************************/

/****************************************
.banner
****************************************/
.aside {
  margin: 10px auto 0;
}

.aside .banner {
  text-align: center;
}

.aside p,
.aside .fb-page {
  text-align: center;
}

.aside p a:hover {
  opacity: 0.6;
}

@media screen and (min-width: 992px) {
  .aside {
    margin: 0 auto;
  }
  .aside p img {
    width: 100%;
    height: auto;
  }
}


/* ================================================================================ */
/*      3-2.囲み                                                                     */  
/* ================================================================================ */
.frameLine02{
	width: auto;
	margin-bottom: 20px;
	background-color: #bce2e5;
	clear: both;
	font-size: 110%;
	font-weight: bold;
	padding-top: 5px;
	padding-right: 10px;
	padding-bottom: 0px;
	padding-left: 10px;
	border: 2px dotted #bce2e5;
}


/* ================================================================================ */
/*      3-2.囲み                                                                     */  
/* ================================================================================ */
.frameLine03{
	width: auto;
	margin-bottom: 20px;
	background-color: #ffffff;
	clear: both;
	font-size: 16px;
	padding-top: 5px;
	padding-right: 10px;
	padding-bottom: 0px;
	padding-left: 10px;
	border: 2px dotted #ffffff;
}

/****************************************
.cat-nav
****************************************/
.cat-nav {
  margin-bottom: 10px;
}

.cat-nav .cat-title {
  font-size: 16px;
  line-height: 46px;
  height: 46px;
  margin: 0;
  padding: 0 17px;
  color: #fff;
  background: #2b68ad;
}

.cat-nav ul {
  padding: 0;
  list-style: none;
  border-top: 1px solid #eaeaea;
}

.cat-nav li {
  height: 46px;
  border-right: 1px solid #eaeaea;
  border-bottom: 1px solid #eaeaea;
  border-left: 1px solid #eaeaea;
}

.cat-nav li a {
  font-size: 16px;
  line-height: 46px;
  display: block;
  padding: 0 17px;
  color: #8e8e8e;
}

.cat-nav li a::before {
  position: absolute;
  right: 15px;
}


/*********************************************
/*
/* Footer
/*
/********************************************/

/****************************************
.btn-pagetop
****************************************/
.btn-pagetop {
  border-bottom: 5px solid #a8c9e8;
  background: #fbfbfb;
}

.btn-pagetop .container {
  text-align: right;
}

.btn-pagetop .container a {
  display: inline-block;
  width: 50px;
  height: 25px;
  text-decoration: none;
  color: #fff;
  -webkit-border-radius: 4px 4px 0 0;
          border-radius: 4px 4px 0 0;
  background: #a8c9e8;
}

.btn-pagetop .container a:hover {
  text-decoration: none;
  background: #c1d5e8;
}

.btn-pagetop .container a i {
  padding-top: 5px;
}


/****************************************
.footer
****************************************/
.footer {
  background: #2d5e93;
}

.footer .container {
  padding: 10px 0;
}

.footer-nav {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 34px;
  margin: 0;
  color: #dedede;
}

@media screen and (min-width: 768px) {
  .footer-nav>div {
    float: left;
    max-width: 50%;
  }
}

@media screen and (min-width: 992px) {
  .footer-nav>div {
    max-width: 25%;
    text-align: left;
  }
}

.footernav-title {
  font-size: 16px;
  margin: 0;
  padding: 10px 0;
  border-bottom: 1px solid #fff;
}

.footernav-title .glyphicon-chevron-down:before {
  margin-right: 10px;
}

@media screen and (min-width: 768px) {
  .footernav-title .glyphicon-chevron-down:before {
    display: none;
  }
}

.list-group {
  margin-bottom: 0;
}

.list-group a {
  font-size: 14px;
  position: relative;
  display: block;
  padding: 10px 15px;
  color: #c1e1ff;
}

.list-group a:hover {
  text-decoration: none;
  color: #6aaae6;
}

.footer-logo {
  margin-top: 20px;
}

.footer-icon .container {
  list-style-type: none;
}

.footer-icon p,
.footer-icon ul {
  width: 100%;
  text-align: center;
}

.footer-icon li {
  display: inline-block;
  float: none;
}

.footer-icon li a:hover {
  opacity: 0.6;
}

.footer-icon li img {
  width: 40px;
  height: auto;
  border: 2px solid #bedaff;
}

.sns-icon {
  float: left;
}

.copyright {
  text-align: center;
  color: #a0cdff;
}


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


.top-title-area {
	clear:both;
	margin:0;
	padding:0;
	height:30px;
}
.top-title-area h2 {
	padding-top:2px;
	float:left;
}
.top-title-area p.ichiran {
	float:right;
}
.top-bengoshi {
	clear:both;
	margin:0 0 36px 0;
}
.top-bengoshi-read {
	height:67px;
	font-size:15px;
	line-height:24px;
}

.top-sinchaku {
	width:798px; /* 860-2-6-62*/
	/*height:224px; *//* 194 */
	border:1px solid #DCDCDC;
	overflow:hidden;
	margin:0 0 39px 0;
	padding:30px;
}
.top-sinchaku li{
	clear: both;
	border-top:1px dotted #CDCDCD;
	/*padding:24px 0 26px 0;*/
	font-size:14px;
	/*height:14px;*/
	position: relative;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}
.top-sinchaku li p.news_date {
	width: 92px;
	padding:24px 0;
	float:left;
}
.top-sinchaku li p.news_read {
	margin-left:14px;
	width: 662px;
	padding:24px 0;
	float:left;
}
.top-sinchaku li:first-child{
	padding:0 0 24px 0;
	border:none;
}



@media screen and (max-width: 768px) {
.top-sinchaku {
	width:90%;
/*	height:400px;*/
	border:2px solid #DCDCDC;
	overflow:hidden;
	margin:0 auto 39px auto;
	padding:30px;
}
.top-sinchaku li{
	clear: both;
	border-top:2px dotted #CDCDCD;
/*	padding:20px 0 21px 0;*/
/*	height:30px;*/
	position: relative;
	top: 50%;
	-webkit-transform: translateY(-50%);
	-ms-transform: translateY(-50%);
	transform: translateY(-50%);
}
.top-sinchaku li p.news_date {
	width:24%;
	float:left;
	padding: 20px 0;
}
.top-sinchaku li p.news_read {
	width:70%;
	margin-left:14px;
	float:left;
	padding: 20px 0;
}
.top-sinchaku li:first-child{
	padding:0 0 26px 0;
	border:none;
}



/* ================================================================================ */
/*      2. QandA                                                                    */
/* ================================================================================ */
#mainContent div.qanda dl{

}
#mainContent div.qanda dl dt{
	background-color: #F2F2F2;
	border: 1px solid #CCCCCC;
	background-image: url(../images/qanda_q.gif);
	background-repeat: no-repeat;
	background-position: 7px 10px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 5px;
	margin-left: 0px;
	padding-top: 8px;
	padding-right: 8px;
	padding-bottom: 8px;
	padding-left: 30px;
	width: 98%;
	line-height: 1.4em;
	font-size: 14px;
	font-weight: bold;
	color: #006;
}
#mainContent div.qanda dd{
	border: 1px solid #CCCCCC;
	background-image: url(../images/qanda_a.gif);
	background-repeat: no-repeat;
	background-position: 7px 10px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 20px;
	margin-left: 0px;
	padding-top: 8px;
	padding-right: 8px;
	padding-bottom: 8px;
	padding-left: 30px!important;
	width: 98%;
	line-height: 1.4em;
	font-size: 14px;
}

div.qanda h3{
	width: 500px;
}

div.button img{
	padding-left: 150px;
	border-top-style: none;
	border-right-style: none;
	border-bottom-style: none;
	border-left-style: none;
}


#container div.mainColumn div.section1 img{
	border-top-style: none;
	border-right-style: none;
	border-bottom-style: none;
	border-left-style: none;
}


/* ================================================================================ */
/*      アドビダウンロード                                                                  */  
/* ================================================================================ */
#adbereader{
	border: 1px solid #C0C0C0;
	vertical-align: middle;
	padding: 10px;
	}

#adbereader p{
	font-size: 11px !important;
	margin: 0px !important;
	padding: 0px !important;
	}

#mainContent img.layoutLeft {
	margin-bottom: 0px !important;
	float: left;
	border-top-style: none;
	border-right-style: none;
	border-bottom-style: none;
	border-left-style: none;
	display: block;}



/* ================================================================================ */
/*      山口追加goto                                                                */  
/* ================================================================================ */

html{
    scroll-behavior: smooth;
}
.gotop{
    display: block;
    width: 60px;
    height: 60px;
    box-sizing: border-box;
    background: #FFF;
    border: 1px solid #999;
    padding-top: 30px;
    text-align: center;
    letter-spacing: -1px;
    font-size: 85%;
    text-decoration: none;
    color: #333;
    opacity: 0.5;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10000;
}
.gotop::before{
    content: "";
    display: block;
    border-top: 2px solid #333;
    border-right: 2px solid #333;
    width: 25%;
    height: 25%;
    top: 25%;
    left: 0;
    right: 0;
    margin: auto;
    position: absolute;
    transform: rotate(-45deg);
}
.gotop:hover{
    opacity: 1;
}
@media(max-width:550px){
    .gotop{
        width: 40px;
        height: 40px;
        text-indent: -9999px;
        opacity: 1;
        border: none;
        background: none;
        bottom: 10px;
        right: 10px;
    }
    .gotop::before{
        bottom: 0;
    }
}
