.main_contents .inner {
  max-width: 1050px;
  padding: 0 25px;
}

@media only screen and (max-width: 767px) {
  .main_contents .inner {
    margin: 12% 0 14%;
    padding: 0 4%;
  }
}

@media only screen and (max-width: 767px) {
  .main_contents .inner .sec_title {
    font-size: 2rem;
  }
  .main_contents .inner .sec_title span {
    margin: 0 1.5em;
    padding: 0 0.5em;
  }
  .main_contents .inner .sec_title span::before, .main_contents .inner .sec_title span::after {
    width: calc(40/690*100%);
  }
}

.lead_text {
  margin: 28px auto 30px;
  font-size: 1.4rem;
  line-height: 1.64286;
  text-align: center;
}

@media only screen and (max-width: 767px) {
  .lead_text {
    margin: 3.48% 0 8.7%;
    font-size: 1.3rem;
    line-height: 1.53846;
    text-align: left;
  }
}

.link_list {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin-bottom: 80px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

@media only screen and (max-width: 767px) {
  .link_list {
    display: block;
    margin-bottom: 12.0%;
  }
}

.link_list_item {
  width: calc(485/1000*100%);
}

.link_list_item:nth-of-type(n + 3) {
  margin-top: 23px;
}

@media only screen and (max-width: 767px) {
  .link_list_item {
    width: 100%;
  }
  .link_list_item + .link_list_item {
    margin-top: 5.22%;
  }
}

.link_list_item a {
  display: block;
  width: 100%;
  position: relative;
  z-index: 3;
  -webkit-transition: opacity .4s;
  transition: opacity .4s;
}

.link_list_item a:hover {
  opacity: .7;
}

.link_list_item a:hover .link_list_item--bg img {
  -webkit-transform: scale(1.03);
  transform: scale(1.03);
}

.link_list_item a:hover .link_list_item--title span::before, .link_list_item a:hover .link_list_item--title span::after {
  right: 11px;
}

@media only screen and (max-width: 767px) {
  .link_list_item a:hover .link_list_item--title span::before, .link_list_item a:hover .link_list_item--title span::after {
    right: 5px;
  }
}

.link_list_item--title {
  position: absolute;
  left: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-size: 1.8rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  bottom: calc(25/485*100%);
  z-index: 2;
}

@media only screen and (max-width: 767px) {
  .link_list_item--title {
    bottom: calc(30/690*100%);
  }
}

.link_list_item--title span {
  padding-right: 45px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  position: relative;
}

.link_list_item--title span::before {
  background: #fff;
  content: "";
  height: 1px;
  margin-left: -10px;
  margin-top: -1px;
  position: absolute;
  right: 16px;
  top: 55%;
  -webkit-transition: right .4s;
  transition: right .4s;
  will-change: transform;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  width: 23px;
}

@media only screen and (max-width: 767px) {
  .link_list_item--title span::before {
    width: 18px;
    right: 10px;
  }
}

.link_list_item--title span::after {
  background: #fff;
  content: "";
  height: 1px;
  margin-left: -2px;
  margin-top: -1px;
  position: absolute;
  right: 16px;
  top: 55%;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
  -webkit-transform-origin: right bottom;
  transform-origin: right bottom;
  -webkit-transition: right .4s;
  transition: right .4s;
  will-change: transform;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  width: 6px;
}

@media only screen and (max-width: 767px) {
  .link_list_item--title span::after {
    width: 4px;
    right: 10px;
  }
}

.link_list_item--title span:hover::before, .link_list_item--title span:hover::after {
  right: 11px;
}

@media only screen and (max-width: 767px) {
  .link_list_item--title span:hover::before, .link_list_item--title span:hover::after {
    right: 5px;
  }
}

@media only screen and (max-width: 767px) {
  .link_list_item--title span {
    padding-right: calc(70/690*100%);
  }
}

.link_list_item--bg {
  overflow: hidden;
}

.link_list_item--bg img {
  width: 100%;
  -webkit-transition: -webkit-transform .4s;
  transition: -webkit-transform .4s;
  transition: transform .4s;
  transition: transform .4s, -webkit-transform .4s;
}

.link_list_item--bg::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: calc(168/299*100%);
  background: -webkit-gradient(linear, left bottom, left top, from(rgba(0, 0, 0, 0.6)), to(rgba(0, 0, 0, 0)));
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
  z-index: 1;
}

.link_list_item--text {
  width: 100%;
  margin: 8px 0 0;
  font-size: 1.4rem;
  line-height: 1.64286;
}

@media only screen and (max-width: 767px) {
  .link_list_item--text {
    width: 100%;
    margin: 2.61% 0 0;
    font-size: 1.4rem;
    line-height: 1.71429;
  }
}

.business_development .link_list_item:nth-of-type(n+3) {
  margin-top: 30px;
}

@media only screen and (max-width: 767px) {
  .business_development .link_list_item:nth-of-type(n+3) {
    margin-top: 5.22%;
  }
}

.business_development .link_list_item--img {
  position: relative;
}

.business_development .link_list_item--img img {
  width: 100%;
}

.business_development .link_list_item--img::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: calc(168/299*100%);
  background: -webkit-gradient(linear, left bottom, left top, from(rgba(0, 0, 0, 0.5)), to(rgba(0, 0, 0, 0)));
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0));
  z-index: 1;
}

.business_development .link_list_item--wrap {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -ms-flex-pack: justify;
  justify-content: space-between;
  margin: 16px 0 0;
}

@media only screen and (max-width: 767px) {
  .business_development .link_list_item--wrap {
    display: block;
    margin: 3.61% 0 0;
  }
}

.business_development .link_list_item--wrap .link_list_item--text {
  width: calc(285/485*100%);
  letter-spacing: 0.058em;
  line-height: 1.64286;
  margin: 0;
}

@media only screen and (max-width: 767px) {
  .business_development .link_list_item--wrap .link_list_item--text {
    width: 100%;
    font-size: 1.4rem;
    line-height: 1.42857;
    letter-spacing: 0.08em;
    margin-bottom: 5.07%;
  }
}

.business_development .link_list_item--wrap .link_list_item--btn {
  width: calc(157/485*100%);
}

@media only screen and (max-width: 767px) {
  .business_development .link_list_item--wrap .link_list_item--btn {
    width: calc(330/690*100%);
    margin: 0 auto;
  }
}

.business_development .link_list_item--wrap .link_list_item--btn a {
  display: block;
  width: 100%;
  padding: 10px 0;
  letter-spacing: -0.06em;
  border: 1px solid #253f76;
  text-align: center;
  font-weight: bold;
  font-size: 1.4rem;
  color: #253f76;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-transition: background-color .4s,color .4s;
  transition: background-color .4s,color .4s;
}

@media only screen and (max-width: 767px) {
  .business_development .link_list_item--wrap .link_list_item--btn a {
    font-size: 1.5rem;
    padding: 3.5%;
  }
}

.business_development .link_list_item--wrap .link_list_item--btn a::after {
  content: "";
  display: inline-block;
  width: 9px;
  height: 8px;
  margin-left: 10px;
  margin-bottom: 4px;
  background-image: url(/assets/img/icon/icon_blank_blue.png);
  background-size: 100% 100%;
  background-position: center;
  background-repeat: no-repeat;
  vertical-align: middle;
  -webkit-transition: background-image .4s;
  transition: background-image .4s;
}

@media only screen and (max-width: 767px) {
  .business_development .link_list_item--wrap .link_list_item--btn a::after {
    width: 10px;
    height: 9px;
  }
}

.business_development .link_list_item--wrap .link_list_item--btn a:hover {
  opacity: 1;
  background: #253f76;
  color: #fff;
}

.business_development .link_list_item--wrap .link_list_item--btn a:hover::after {
  background-image: url(/assets/img/icon/icon_blank_white.png);
}