@charset "UTF-8";
.Primary_section {
  padding-right: 30px;
  padding-left: 30px;
}
.Primary_section:not(:last-child) {
  margin-bottom: 100px;
}
.Primary_section .Primary_section_inner {
  padding-right: 30px;
  padding-left: 30px;
}
.Primary_section .Primary_section_inner:not(:last-child) {
  margin-bottom: 50px;
}

@media only screen and (max-width: 767px) {
  .Primary_section {
    padding-right: 0;
    padding-left: 0;
  }
  .Primary_section:not(:last-child) {
    margin-bottom: 60px;
  }
  .Primary_section .Primary_section_inner {
    padding-right: 0;
    padding-left: 0;
  }
}
#searchform input {
  -webkit-appearance: none;
}

a[href^="tel:"] {
  cursor: default;
}
a[href^="tel:"]:hover {
  text-decoration: none !important;
}

.link_blank {
  padding-right: 15px;
  background: url("../images/link_blank.png") no-repeat right 3px;
}
@media only screen and (max-width: 767px) {
  .link_blank {
    padding-top: 2px;
    padding-bottom: 2px;
    background-position: right 5px;
  }
}

body {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

/*共通部分*/
.sp_nav_btn {
  position: absolute;
  right: 20px;
  top: 50%;
  margin-top: -10px;
}
.sp_nav_btn a {
  color: white;
}
.sp_nav_btn i {
  color: #0d4270;
}

#sp_login_btn {
  position: absolute;
  right: 60px;
  top: 12%;
  border: solid 1px #0d4270;
  width: 40px;
  border-radius: 5px;
}

.trigger {
  cursor: pointer;
  padding-right: 50px;
}
@media only screen and (max-width: 767px) {
  .trigger {
    padding-right: 40px;
  }
}

.trigger_first {
  cursor: pointer;
}

.acc_icon {
  position: relative;
}
.acc_icon::after {
  content: "\f067";
  font-family: FontAwesome;
  font-size: 1.8rem;
  color: #0d4270;
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
}
.acc_icon.open::after {
  content: "\f068";
}

.acc_cont {
  padding-bottom: 40px;
}
@media only screen and (max-width: 767px) {
  .acc_cont {
    padding-bottom: 20px;
  }
}

.fix-nav {
  z-index: 100;
  position: fixed;
  right: -169px;
  top: 60%;
  margin-top: 20px;
  border-radius: 20px 0 0 20px;
  transition: all 0.3s linear;
}
.fix-nav li {
  position: relative;
  width: 215px;
}
.fix-nav li.fix-nav_book {
  background-color: #0d4270;
  border-radius: 20px 0 0 0;
  transition: all 0.2s linear;
}
.fix-nav li.fix-nav_book a {
  color: white;
}
@media only screen and (min-width: 780px) {
  .fix-nav li.fix-nav_book:hover {
    background-color: white;
  }
  .fix-nav li.fix-nav_book:hover a {
    color: #0d4270;
    text-decoration: none;
  }
}
.fix-nav li.fix-nav_download {
  background-color: #0d4270;
  transition: all 0.2s linear;
}
.fix-nav li.fix-nav_download a {
  color: white;
}
@media only screen and (min-width: 780px) {
  .fix-nav li.fix-nav_download:hover {
    background-color: white;
  }
  .fix-nav li.fix-nav_download:hover a {
    color: #0d4270;
    text-decoration: none;
  }
}
.fix-nav li.fix-nav_up {
  background-color: white;
  border-radius: 0 0 0 20px;
  transition: all 0.2s linear;
  color: #0d4270;
}
.fix-nav li.fix-nav_up i {
  font-size: 2.8rem;
  padding-left: 17px;
  padding-right: 17px;
  padding-bottom: 4px;
}
@media only screen and (min-width: 780px) {
  .fix-nav li.fix-nav_up:hover {
    background-color: #0d4270;
  }
  .fix-nav li.fix-nav_up:hover a {
    color: white;
    text-decoration: none;
  }
}
.fix-nav li a {
  width: 100%;
  font-size: 1.3rem;
  display: block;
  padding: 1.15em 0;
}
.fix-nav li a span {
  display: table-cell;
  vertical-align: middle;
}
.fix-nav li a i {
  font-size: 2.0rem;
  padding-left: 15px;
  padding-right: 15px;
  vertical-align: middle;
}
.fix-nav li a:hover {
  text-decoration: none;
}
.fix-nav li .fix-nav-dummy {
  content: '';
  width: 25%;
  height: 50px;
  display: block;
  position: absolute;
  top: 0;
}
@media only screen and (min-width: 780px) {
  .fix-nav:hover {
    right: 0;
  }
}
.fix-nav.openFixNav {
  right: 0;
}

@media only screen and (max-width: 767px) {
  .container_liquid {
    padding-top: 40px;
  }
}
/**********************************************************************
	ページヘッダ - className : Header
***********************************************************************/
.Header {
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: white;
  color: #333;
  margin-bottom: 0;
  padding: 0;
  position: relative;
  border-bottom: solid 3px #0d4270;
}
.Header .Header-inner {
  position: relative;
  padding-top: 30px;
  transition: .7s;
}
.Header .Header-inner .l-inner-site {
  position: static;
}
.Header .Header-upper {
  transition: all .7s linear;
  padding: 20px 0;
}
.Header .Header-bar {
  background-color: #f0f0f0;
  height: 30px;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  /*transition         : height .7s;
  -webkit-transition : height .7s;*/
  overflow: hidden;
}
.Header .Header-bar .Header-bar_ul {
  display: table;
  /*position : absolute;
  right    : 0;*/
  float: right;
  width: auto;
}
.Header .Header-bar .Header-bar_ul .Header-bar_list {
  display: table-cell;
}
.Header .Header-bar .Header-bar_ul .Header-bar_list a {
  position: relative;
  font-size: 1.3rem;
  padding-left: 10px;
  padding-right: 10px;
  color: #333;
}
.Header .Header-bar .Header-bar_ul .Header-bar_list a:hover {
  text-decoration: none;
}
.Header .Header-bar .Header-bar_ul .Header-bar_list a:hover span {
  text-decoration: underline;
}
.Header .Header-bar .Header-bar_ul .Header-bar_list a:after {
  display: block;
  content: "|";
  width: 1px;
  height: 13px;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
}
.Header .Header-bar .Header-bar_ul .Header-bar_list a i {
  margin-right: 7px;
}
.Header .Header-bar .Header-bar_ul .Header-bar_list a img {
  vertical-align: middle;
  margin-right: 7px;
}
.Header .Header-logo {
  margin-top: 10px;
}
.Header .Header-area {
  margin-left: 30px;
  transition: all .7s linear;
  height: auto;
  overflow: hidden;
}
.Header .Header-bnr {
  width: auto;
  float: left;
}

.Header-serchbox {
  float: right;
  width: auto;
  /*position : absolute;
  right    : 0;
  top      : 4px;
  overflow : hidden;*/
}
.Header-serchbox label {
  display: block;
  margin: 0;
  font-size: 0.875rem;
  font-weight: normal;
  line-height: 1.8;
  color: #0a0a0a;
}
.Header-serchbox .screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
}
.Header-serchbox #searchform {
  *zoom: 1;
}
.Header-serchbox #searchform #s {
  width: 187px;
  height: 40px;
  float: left;
  background-color: #f0f0f0;
  border: none;
  border-radius: 20px 0 0 20px;
  font-size: 1.4rem;
}
.Header-serchbox #searchform:after {
  content: "";
  clear: both;
  display: block;
}
.Header-serchbox #searchform #searchsubmit {
  background: url("/common/images/icon-search.png") no-repeat center center;
  border: 0 none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 0 5px 5px 0;
  display: block;
  text-indent: -9999px;
  overflow: hidden;
  font-size: 0;
}

@media only screen and (max-width: 767px) {
  .Header {
    border-bottom: solid 1px #0d4270;
    transition: none;
  }
  .Header .Header-inner {
    padding-top: 0;
    border-bottom: solid 3px #0d4270;
  }
  .Header .Header-upper {
    padding: 20px 10px;
  }
  .Header .Header-logo {
    margin-top: 0;
  }
  .Header .Header-logo a {
    display: block;
    margin-top: 3px;
    width: 60%;
  }
  .Header .Header-bnr {
    text-align: center;
    margin: 0;
    padding: 5px 30px;
    float: none;
    width: 100%;
  }
  .Header .Header-bnr a {
    display: block;
  }
}
/**********************************************************************
	ヘッダーナビ - className : Gnav
***********************************************************************/
.Gnav {
  position: static;
  transition: all .7s linear;
}
.Gnav .Gnav_ul {
  transition: .3s;
}
.Gnav .Gnav_ul .Gnav_list {
  float: left;
  width: 20%;
  text-align: center;
  border-right: solid 1px #f0f0f0;
}
.Gnav .Gnav_ul .Gnav_list:first-child {
  border-left: solid 1px #f0f0f0;
}
.Gnav .Gnav_ul .Gnav_list > a {
  display: block;
  padding: 10px 20px;
}
.Gnav .Gnav_ul .Gnav_list:hover .Gnav_sub {
  visibility: visible;
  opacity: 1;
}
.Gnav .Gnav_ul .Gnav_list .Gnav_sub {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  left: 0;
  width: 100vw;
  background: white;
  transition: opacity .25s, visibility .25s;
  padding: 15px 40px 30px 15px;
  margin-top: 3px;
}
@media only screen and (max-width: 1199px) {
  .Gnav .Gnav_ul .Gnav_list .Gnav_sub {
    top: 100%;
    margin-top: 3px;
  }
}
.Gnav .Gnav_ul .Gnav_list .Gnav_sub .Gnav_sub_ul {
  padding-right: 7.5px;
  padding-left: 7.5px;
}
@media only screen and (max-width: 1199px) {
  .Gnav .Gnav_ul .Gnav_list .Gnav_sub .Gnav_sub_ul {
    padding-right: 0;
    padding-left: 0;
  }
}
.Gnav .Gnav_ul .Gnav_list .Gnav_sub .Gnav_sub_ul .Gnav_sub_list {
  font-size: 1.3rem;
  margin-top: 10px;
  width: 50%;
  float: left;
  padding-left: 7.5px;
  padding-right: 7.5px;
}
@media only screen and (max-width: 1199px) {
  .Gnav .Gnav_ul .Gnav_list .Gnav_sub .Gnav_sub_ul .Gnav_sub_list {
    padding-left: 4px;
    padding-right: 4px;
  }
}
.Gnav .Gnav_ul .Gnav_list .Gnav_sub .Gnav_sub_ul .Gnav_sub_list.w100p .btn-s {
  width: 100%;
}
.Gnav .Gnav_ul .Gnav_list .Gnav_sub .Gnav_sub_ul:after {
  display: block;
  content: "";
  clear: both;
}
.Gnav .Gnav_ul .Gnav_list .Gnav_sub .Gnav_sub_bnrarea li {
  margin-bottom: 20px;
}
.Gnav .Gnav_ul .Gnav_list .Gnav_sub .Gnav_sub_doutoku {
  margin-left: -3px;
}
.Gnav .Gnav_ul .Gnav_list .Gnav_sub .Gnav_sub_doutoku:after {
  padding-left: 8px;
}
.Gnav .Gnav_ul .Gnav_list .Gnav_sub .ttl_01 {
  padding: 10px 0 4px 40px;
}

/**********************************************************************
	追従時 - className : fixed
***********************************************************************/
.fixed .Header {
  position: fixed;
  top: 0;
  padding-top: 0;
  margin-right: 0;
  margin-left: 0;
}
@media only screen and (max-width: 767px) {
  .fixed .Header {
    margin-left: -20px;
    margin-right: -20px;
    transition: none;
  }
}
.fixed .Header .Header-inner {
  margin: auto;
  padding-top: 0;
}
.fixed .Header .Header-inner:after {
  display: block;
  content: '';
  clear: both;
}
.fixed .Header .Header-upper {
  display: inline-block;
  width: 22%;
  transition: all .7s linear;
  margin-top: 0;
  padding-bottom: 0;
}
.fixed .Header .Header-area {
  height: 0;
  transition: all .7s linear;
  margin-top: 0;
}
.fixed .Header .Header-logo-area {
  width: 100%;
}
.fixed .Header .Header-logo-area .Header-logo {
  padding-right: 20px;
}
.fixed .Header .Header-bar {
  height: 0;
  display: none;
}
.fixed .Header .Header-logo {
  margin-top: 0;
}
@media only screen and (max-width: 767px) {
  .fixed .Header {
    position: static;
  }
}
.fixed .Gnav {
  transition: all .7s linear;
  width: 78%;
  float: right;
  margin-top: 0;
}

/**********************************************************************
	ページタイトル - className : Page_title
***********************************************************************/
.Page_title {
  background: #666;
}

/**********************************************************************
	SPナビゲーション - className : Page_title
***********************************************************************/
.Sp-nav {
  opacity: 0;
  height: 0;
}
.Sp-nav .Sp-nav_logo {
  padding: 20px;
  border-bottom: solid 2px #0d4270;
}
.Sp-nav nav {
  border-bottom: solid 1px #0d4270;
}
.Sp-nav .Sp-nav_list {
  text-align: center;
  background-color: #f5f5f5;
  border-top: solid 1px #0d4270;
}
.Sp-nav .Sp-nav_list.list_main .Sp-nav_link:after {
  right: 20px;
}
.Sp-nav .Sp-nav_list a {
  color: #333;
  padding: 15px;
  display: block;
}
.Sp-nav .Sp-nav_list a:hover {
  text-decoration: none;
}
.Sp-nav .Sp-nav_list span {
  padding: 15px;
  display: block;
}
.Sp-nav .Sp-nav_list .trigger {
  display: block;
  cursor: pointer;
  position: relative;
}
.Sp-nav .Sp-nav_list .trigger:after {
  position: absolute;
  right: 20px;
  content: "\f067";
  font-family: FontAwesome;
  font-size: 1.8rem;
  line-height: 1;
  color: #0d4270;
}
.Sp-nav .Sp-nav_list .trigger.open:after {
  content: "\f068";
}
.Sp-nav .Sp-nav_list .trigger_in {
  background-color: #eeeeee;
}
.Sp-nav .Sp-nav_list .trigger_in li {
  width: 50%;
  float: left;
  border-bottom: dashed 1px #0d4270;
}
.Sp-nav .Sp-nav_list .trigger_in li:nth-child(odd) {
  border-right: dashed 1px #0d4270;
}
.Sp-nav .Sp-nav_list .trigger_in li:last-child {
  border-bottom: none;
}
.Sp-nav .Sp-nav_list .trigger_in li.noborder {
  border-bottom: none;
}
.Sp-nav .Sp-nav_link {
  position: relative;
}
.Sp-nav .Sp-nav_link:after {
  position: absolute;
  display: block;
  font: normal normal normal 14px/1 FontAwesome;
  content: '\f054';
  color: #0d4270;
  top: 50%;
  margin-top: -7px;
  right: 10px;
}
.Sp-nav .Sp-nav_tokusetsu {
  margin-top: 10px;
  margin-bottom: 10px;
  text-align: center;
  padding-right: 20px;
  padding-left: 20px;
}
.Sp-nav .Sp-nav_bnr {
  padding-right: 20px;
  padding-left: 20px;
}
.Sp-nav .Sp-nav_bnr ul {
  text-align: center;
}
.Sp-nav .Sp-nav_bnr ul li {
  margin-top: 10px;
}
.Sp-nav .Sp-nav_bnr ul [class^="col-"] {
  padding-bottom: 0;
}
.Sp-nav .close-sp_nav {
  position: absolute;
  top: 20px;
  right: 20px;
  cursor: pointer;
}
.Sp-nav .Header-serchbox {
  position: static;
  float: none;
  margin-top: 20px;
  margin-bottom: 10px;
  width: 100%;
  padding-left: 20px;
  padding-right: 20px;
}
.Sp-nav .Header-serchbox #searchform #s {
  width: 100%;
  display: block;
  border-radius: 20px 20px 20px 20px;
}
.Sp-nav .Header-serchbox #searchform #searchsubmit {
  position: absolute;
  right: 20px;
}

/**********************************************************************
	ぱんくず - className : Breadcrumb
***********************************************************************/
.Breadcrumb {
  background: #f5f5f5;
  padding: 10px 20px;
  font-size: 1.4rem;
}
.Breadcrumb .Breadcrumb-separator {
  line-height: 1;
}
.Breadcrumb .Breadcrumb-separator li {
  display: inline-block;
}
.Breadcrumb .Breadcrumb-separator li a {
  color: #333;
}
.Breadcrumb .Breadcrumb-separator li a i.fa-home {
  margin-right: 5px;
}
.Breadcrumb .Breadcrumb-separator li:after {
  font-family: 'FontAwesome';
  content: '';
  font-size: 120%;
  padding: 0 0.5em;
}
.Breadcrumb .Breadcrumb-separator li:last-child:after {
  content: none;
}

@media only screen and (max-width: 767px) {
  .Breadcrumb {
    padding: 5px 20px;
    font-size: 1.2rem;
  }
}
/**********************************************************************
	ダウンロード - className : Download-area
***********************************************************************/
.Download-area {
  background: url("../images/bg_download.png");
  padding: 60px 20px !important;
  text-align: center;
}
.Download-area .m-btn {
  margin: 20px auto 0;
}

/**********************************************************************
	ページフッタ - className : Footer
***********************************************************************/
.Footer {
  background: white;
  padding-top: 100px;
  color: #333;
}
.Footer .Footer_bg {
  background: url("../images/bg_footer.png") no-repeat center bottom;
  background-size: contain;
}
.Footer .Footer-nav {
  font-size: 1.3rem;
  padding-bottom: 80px;
}
.Footer .Footer-nav ul:after {
  content: '';
  display: block;
  clear: both;
}
.Footer .Footer-nav .border {
  border-left: solid 1px #0d4270;
  padding-left: 20px;
}
.Footer .Footer-nav .Footer-nav_list {
  padding-bottom: 0;
  margin-top: 14px;
  padding-left: 10px;
  background-image: url("../images/icon_arrow.png");
  background-repeat: no-repeat;
  background-position: left top 5px;
}
.Footer .Footer-nav .Footer-nav_list a {
  color: #333;
}
.Footer .Footer-nav .Footer-nav_row ul {
  margin-top: 5px;
}
.Footer .Footer-nav .Footer-nav_row ul li {
  display: inline-block;
  padding-bottom: 10px;
}
.Footer .Footer-nav .Footer-nav_row ul li a {
  position: relative;
  padding-right: 12px;
  padding-left: 12px;
}
.Footer .Footer-nav .Footer-nav_row ul li:not(:last-child) a:after {
  display: block;
  content: '|';
  width: 1px;
  height: 13px;
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
}
.Footer .Footer-nav.close {
  display: none;
}
.Footer .Footer-bnrarea {
  padding-bottom: 80px;
}
.Footer .copyright {
  background-color: #0d4270;
  padding: 10px;
  font-size: 1.2rem;
  text-align: center;
}
.Footer .copyright p {
  display: inline-block;
  color: white;
}

@media only screen and (max-width: 767px) {
  .Footer {
    padding-top: 40px;
  }
  .Footer .Footer_bg {
    padding-bottom: 40px;
  }
  .Footer .Footer-nav {
    padding-bottom: 0;
  }
  .Footer .Footer-nav [class^="col-"] {
    padding-bottom: 10px;
  }
  .Footer .Footer-nav .border {
    border-left: none;
    padding-left: 0;
  }
  .Footer .Footer-nav .down-arrow {
    position: relative;
  }
  .Footer .Footer-nav .down-arrow:after {
    font: normal normal normal 12px/1 FontAwesome;
    content: "\f078";
    padding-left: 20px;
  }
  .Footer .Footer-nav .down-arrow.open:after {
    content: "\f077";
  }
  .Footer .Footer-nav .Footer-nav_row ul {
    margin-top: 0;
    display: block !important;
  }
  .Footer .Footer-bnrarea {
    padding-bottom: 40px;
  }
  .Footer .trigger_sp {
    padding-bottom: 20px;
    display: inline-block;
  }
  .Footer .trigger_sp span {
    position: relative;
    padding-left: 30px;
    font-size: 1.4rem;
    display: inline-block;
    cursor: pointer;
  }
  .Footer .trigger_sp span:after {
    position: absolute;
    left: 0;
    content: "\f078";
    font-family: FontAwesome;
    font-size: 1.8rem;
    line-height: 1;
    color: #0d4270;
  }
  .Footer .trigger_sp.open span:after {
    content: "\f077";
  }
}
/**********************************************************************
	サイドバー - className : Site-sidebar
***********************************************************************/
.Site-sidebar {
  border-right: solid 1px #e6e6e6;
  border-left: solid 1px #e6e6e6;
  border-top: solid 3px #0d4270;
  margin-bottom: 100px;
}
@media only screen and (max-width: 767px) {
  .Site-sidebar {
    margin-bottom: 50px;
  }
}
.Site-sidebar .SideNavi a {
  display: block;
}
.Site-sidebar .SideNavi a:hover {
  text-decoration: none;
}
.Site-sidebar .SideNavi-l1 > li {
  border-bottom: solid 1px #e6e6e6;
}
.Site-sidebar .SideNavi-l1 > li.selected > a {
  background-color: #0d4270;
  color: white;
}
.Site-sidebar .SideNavi-l1 > li > a {
  position: relative;
  font-weight: bold;
  padding: 20px;
  padding-right: 64px;
  line-height: 1;
}
@media only screen and (max-width: 767px) {
  .Site-sidebar .SideNavi-l1 > li > a {
    font-size: 1.5rem;
  }
}
@media only screen and (min-width: 1119px) {
  .Site-sidebar .SideNavi-l1 > li > a:hover {
    background-color: #0d4270;
    color: white;
  }
}
.Site-sidebar .SideNavi-l1 > li > a > i {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: 0;
  width: 46px;
  height: 30px;
  border-left: solid 1px #e6e6e6;
}
.Site-sidebar .SideNavi-l1 > li > a > i:before {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
}
@media only screen and (max-width: 767px) {
  .Site-sidebar .SideNavi-l1 > li > a > i:before {
    font-size: 1.9rem;
  }
}
.Site-sidebar .SideNavi-l1 > li > a > i.fa-angle-right:before {
  left: 45%;
}
.Site-sidebar .SideNavi-l2 {
  display: none;
  border-top: dashed 1px #0d4270;
}
.Site-sidebar .SideNavi-l2 > li {
  position: relative;
}
.Site-sidebar .SideNavi-l2 > li:not(:first-child) {
  border-top: dashed 1px #ccc;
}
.Site-sidebar .SideNavi-l2 > li.selected {
  background: #f5f5f5;
}
.Site-sidebar .SideNavi-l2 > li > a {
  padding: 10px 40px 10px;
  color: #333333;
  font-size: 1.4rem;
  display: block;
}
@media only screen and (min-width: 1119px) {
  .Site-sidebar .SideNavi-l2 > li > a:hover {
    text-decoration: underline;
    background: #f5f5f5;
  }
}
.Site-sidebar .SideNavi-l2 > li > a:before {
  font: normal normal normal 16px/1 FontAwesome;
  content: '\f0da';
  color: #0d4270;
  display: inline-block;
  width: 8px;
}
.Site-sidebar .SideNavi-l2 > li > a.icon_padlock:after {
  background: url("../images/icon_padlock.png") no-repeat;
  background-size: cover;
  display: inline-block;
  content: '';
  width: 16px;
  height: 16px;
  position: absolute;
  right: 13px;
  top: 50%;
  margin-top: -10px;
}
.Site-sidebar .SideNavi-l2 > li span {
  display: inline-block;
  font-size: 1.2rem;
}

/**********************************************************************
	ページトップ(SP) - className : Pagetop
***********************************************************************/
.Pagetop {
  z-index: 100;
  cursor: pointer;
  position: fixed;
  bottom: 50px;
  right: 0;
  width: 50px;
  height: 50px;
  border-radius: 20px 0 0 20px;
  background-color: white;
}

/**********************************************************************
	教科書の表紙- className : hyoushi
***********************************************************************/
.hyoushi_bg {
  text-align: center;
  max-width: 300px;
  width: 100%;
  max-height: 300px;
  float: left;
  margin-bottom: 10px;
}
@media only screen and (max-width: 767px) {
  .hyoushi_bg {
    max-width: 100%;
    float: none;
  }
}
.hyoushi_bg img {
  height: 300px;
  width: auto;
  max-width: 100%;
  max-height: 100%;
}

.hyoushi:after {
  display: block;
  content: '';
  clear: both;
}
.hyoushi img {
  border: solid 1px #eeeeee;
}