* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

main {
  display: block;
  margin-top: 80px;
}

.main-eye-catch {
  display: block;
  position: relative;
  margin: 0;
  padding: 0;
  width: 100%;
  height: 600px;
  background: url(../images/img-main.png) no-repeat;
  background-position: right top;
  background-size: cover;
}

.main-eye-catch .main-eye-catch-txt {
  display: block;
  position: absolute;
  top: 25%;
  left: 10%;
  text-align: center;
}

.main-eye-catch .main-eye-catch-txt h2 {
  margin-bottom: 10px;
  color: #fff;
  letter-spacing: 0.1em;
  font-size: 30px;
}

.main-eye-catch .main-eye-catch-txt p {
  color: #fff;
}

.main-eye-catch-txt-en {
  display: block;
  position: absolute;
  top: 30%;
  left: 10%;
  color: #fff;
  font-size: 25px;
  font-weight: bold;
  text-align: center;
}

.sub-eye-catch {
  display: block;
  margin: 0;
  padding: 0;
  width: 100%;
  height: 200px;
  background: #999;
}

.sub-eye-catch h2 {
  display: block;
  padding: 75px 0 0 60px;
  color: #fff;
  font-size: 30px;
  letter-spacing: 0.1em;
  text-shadow: 1px 1px 0 rgba(26, 50, 86, 0.3), -1px 1px 0 rgba(26, 50, 86, 0.3), 1px -1px 0 rgba(26, 50, 86, 0.3), -1px -1px 0 rgba(26, 50, 86, 0.3);
}

.img-company {
  background: url(../images/img-company.png) no-repeat;
  background-position: right top;
  background-size: cover;
}

.img-business {
  background: url(../images/img-business.png) no-repeat;
  background-position: right top;
  background-size: cover;
}

.img-software {
  background: url(../images/img-pc.png) no-repeat;
  background-position: right top;
  background-size: cover;
}

.img-tora {
  background: url(../images/img-column.png) no-repeat;
  background-position: right top;
  background-size: cover;
}

.img-contact {
  background: url(../images/img-phone.png) no-repeat;
  background-position: right top;
  background-size: cover;
}

.breadcrumbs-wrap {
  margin: 0;
  padding: 0;
  width: 100%;
  background: #1a3256;
}

.breadcrumbs-wrap ul {
  overflow: hidden;
  display: flex;
  display: -moz-flex;
  display: -webkit-flex;
  display: -ms-flexbox;
  flex-flow: row nowrap;
  margin-left: 20px;
  padding: 5px;
  list-style-type: none;
  font-size: 13px;
}

.breadcrumbs-wrap ul > li a {
  display: block;
  position: relative;
  margin-left: 35px;
  padding-right: 20px;
  color: #fff;
  text-decoration: none;
}

.breadcrumbs-wrap ul > li a:hover {
  color: #F9C270;
}

.breadcrumbs-wrap ul > li a::before, .breadcrumbs-wrap ul > li a::after {
  content: '';
  display: block;
  position: absolute;
  margin-top: -1.5em;
  top: 0.75em;
  left: 100%;
  width: 0;
  height: 0;
  border-top: 1.5em solid transparent;
  border-bottom: 1.5em solid transparent;
}

.breadcrumbs-wrap ul > li a::before {
  margin-left: 2px;
  border-left: 1em solid #fff;
}

.breadcrumbs-wrap ul > li a::after {
  border-left: 1em solid #1a3256;
}

.breadcrumbs-wrap ul > li:last-child a:before {
  border: 0;
}

.contents-wrap {
  margin: 80px 0 100px;
  padding: 0;
}

.contents-2column {
  display: flex;
  display: -moz-flex;
  display: -webkit-flex;
  display: -ms-flexbox;
  flex-flow: row nowrap;
}

.sidemenu-wrap {
  order: 2;
  margin-right: 40px;
  width: 360px;
}

.main-wrap {
  order: 1;
  width: 100%;
}

.side-inner .side-title-wrap {
  margin: 0;
  padding: 20px;
  width: 100%;
  color: #1a3256;
  font-size: 20px;
  font-weight: bold;
  text-align: center;
  background: #efefef;
  background: linear-gradient(0deg, #efefef 0%, white 100%);
  border-top: 2px solid #1a3256;
  border-bottom: 2px solid #1a3256;
}

.side-inner > ul {
  list-style-type: none;
}

.side-inner > ul > li {
  position: relative;
  padding: 0;
  border-bottom: 1px dotted #1a3256;
}

.side-inner > ul > li::before {
  content: '\f0da';
  position: absolute;
  top: 23px;
  left: 30px;
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
}

.side-inner > ul > li:hover::before {
  color: #F9C270;
}

.side-inner > ul > li a {
  display: block;
  padding: 20px 20px 20px 50px;
  color: #1a3256;
  text-decoration: none;
}

.side-inner > ul > li a:hover {
  color: #F9C270;
  font-weight: bold;
}

#page_top {
  position: fixed;
  opacity: 0.6;
  right: 0;
  bottom: -50px;
  width: 50px;
  height: 50px;
  background: #F9C270;
  border-radius: 50%;
}

#page_top a {
  display: block;
  position: relative;
  width: 50px;
  height: 50px;
  text-decoration: none;
}

#page_top a::before {
  content: '\f102';
  position: absolute;
  margin: auto;
  top: -5px;
  bottom: 0;
  right: 0;
  left: 0;
  width: 25px;
  height: 25px;
  color: #fff;
  font-family: 'Font Awesome 5 Free';
  font-size: 25px;
  font-weight: 900;
  text-align: center;
}

@media screen and (max-width: 850px) {
  .contents-2column {
    display: flex;
    display: -moz-flex;
    display: -webkit-flex;
    display: -ms-flexbox;
    flex-flow: column nowrap;
  }
  .sidemenu-wrap {
    margin: 50px 0 0 0;
    width: 100%;
  }
  .sidemenu-wrap .side-inner > ul > li {
    padding: 0;
  }
  .sidemenu-wrap .side-inner > ul > li::before {
    top: 13px;
  }
  .sidemenu-wrap .side-inner > ul > li > a {
    padding: 10px 20px 10px 50px;
  }
}