main {
  background: #fff;
}

header .gnav .item_top a {
  border-bottom: 2px solid #0066ff;
}

/* -----------------
fv_wrap
-------------------- */
#fv_wrap {
  padding: 58px 0 28px;
  background: url(../img/index/fv_bg.jpg) center / cover;
}

#fv_wrap .movie_box {
  position: relative;
  margin: 0 auto;
  width: 94%;
  max-width: 1040px;
  border: 7px solid #575757;
}

#fv_wrap .movie_box::before {
  content: "";
  display: block;
  padding-bottom: 56.25%;
}

#fv_wrap .movie_box .movie {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

#fv_wrap .box {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 25px;
}

#fv_wrap .box .logo {
  margin-right: 80px;
  width: 286px;
}

#fv_wrap .box .logo img {
  width: 100%;
}

#fv_wrap .box .txt {
  font-size: 4.3rem;
  text-shadow: 0px 0px 8px #fdfdfd, 0px 0px 8px #fdfdfd, 0px 0px 8px #fdfdfd, 0px 0px 8px #fdfdfd;
}

#fv_wrap .box .txt span {
  font-size: 3.3rem;
}

@media screen and (max-width: 850px) {
  #fv_wrap {
    padding: 7.733vw 0 3.733vw;
  }

  #fv_wrap .movie_box {
    border: 4px solid #575757;
  }

  #fv_wrap .box {
    margin-top: 3.333vw;
    padding: 0 3%;
  }

  #fv_wrap .box .logo {
    margin-right: 4vw;
    width: 42.667vw;
  }

  #fv_wrap .box .txt {
    font-size: 6.667vw;
  }

  #fv_wrap .box .txt span {
    font-size: 5.333vw;
  }
}

/* -----------------
cont_wrap
-------------------- */
#cont_wrap {
  background: url(../img/index/cont_bg.jpg) top center / 100% auto no-repeat;
}

#cont_wrap .box {
  display: flex;
  align-items: center;
  padding: 132px 0 112px;
  border-bottom: 2px solid #707070;
}

#cont_wrap .ttl_wrap {
  margin-right: 92px;
}

#cont_wrap .ttl_wrap .ttl {
  max-width: 398px;
}

#cont_wrap .ttl_wrap .lead {
  font-weight: 700;
  font-size: 2.2rem;
  line-height: 1.818;
  margin-top: 10px;
}

#cont_wrap .txt {
  font-weight: 500;
  font-size: 1.5rem;
  line-height: 2.133;
  margin: 0;
}

#cont_wrap .greeting_box {
  padding: 53px 0 68px;
}

#cont_wrap .greeting_box .sttl {
  font-weight: 700;
  font-size: 1.8rem;
  line-height: 1.333;
  margin-bottom: 15px;
}

#cont_wrap .greeting_box .txt {
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 1.71428571428;
  text-indent: 1em;
}

#cont_wrap .greeting_box .row_box {
  display: flex;
  justify-content: right;
  margin-top: 31px;
}

#cont_wrap .greeting_box .row_box .row_box_txt {
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 1.857;
  margin: 0;
}

#cont_wrap .greeting_box .row_box .name_img {
  margin: 10px 0 0;
  width: 130px;
}

#cont_wrap .greeting_box .row_box figure {
  margin-left: 17px;
  width: 120px;
}

@media screen and (max-width: 850px) {
  #cont_wrap .box {
    display: block;
    padding: 50px 0 70px;
  }

  #cont_wrap .ttl_wrap {
    margin: 0 auto 30px;
  }

  #cont_wrap .ttl_wrap .ttl {
    margin: 0 auto;
  }

  #cont_wrap .ttl_wrap .lead {
    font-size: 2rem;
    text-align: center;
  }

  #cont_wrap .txt {
    font-size: 1.2rem;
    text-align: center;
  }

  #cont_wrap .greeting_box {
    padding: 50px 5% 70px;
  }

  #cont_wrap .greeting_box .sttl {
    font-size: 1.6rem;
  }

  #cont_wrap .greeting_box .txt {
    text-align: left;
  }
}

/* -----------------
link_wrap
-------------------- */

#link_wrap .list {
  padding: 0;
}

#link_wrap .list li {
  margin-bottom: 8px;
}

#link_wrap .list li a {
  display: flex;
  align-items: center;
  padding: 0 0 15px;
  height: 300px;
  background-position: center;
  background-size: cover;
  transition: .3s;
}

#link_wrap .list li a:hover {
  opacity: .7;
}

#link_wrap .list li:nth-of-type(1) a {
  background-image: url(../img/index/seminar_bg.jpg);
}

#link_wrap .list li:nth-of-type(2) a {
  background-image: url(../img/index/products_bg.jpg);
}

#link_wrap .list li:nth-of-type(3) a {
  background-image: url(../img/index/social_bg.jpg);
}

#link_wrap .list li:nth-of-type(4) a {
  background-image: url(../img/index/sustainable_bg.jpg);
}

#link_wrap .list .ttl {
  position: relative;
  padding: 0 68px 0 50px;
}

#link_wrap .list .ttl::after {
  content: "";
  display: block;
  position: absolute;
  top: 50%;
  right: 0;
  width: 432px;
  height: 43px;
  background: url(../img/index/link_arrow.png) center / cover;
  transform: translateY(-50%);
  pointer-events: none;
}

#link_wrap .list .ttl span {
  color: #000;
  display: block;
}

#link_wrap .list .ttl_en {
  font-size: 7rem;
  line-height: 1.2285;
  letter-spacing: .02em;
}

#link_wrap .list .ttl_jp {
  font-weight: 700;
  font-size: 2.6rem;
  line-height: 1;
}

#link_wrap .other_list {
  display: flex;
  justify-content: space-between;
}

#link_wrap .other_list li {
  width: 33.055555555%;
}

#link_wrap .other_list li a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 300px;
  background-position: center;
  background-size: cover;
  transition: .3s;
}

#link_wrap .other_list li a:hover {
  opacity: .7;
}

#link_wrap .other_list li:nth-of-type(1) a {
  background-image: url(../img/index/pdf_bg.jpg);
}

#link_wrap .other_list li:nth-of-type(2) a {
  background-image: url(../img/index/video_bg.jpg);
}

#link_wrap .other_list li:nth-of-type(3) a {
  background-image: url(../img/index/link_bg.jpg);
}

#link_wrap .other_list .ttl {
  text-align: center;
}

#link_wrap .other_list .ttl span {
  color: #fff;
  display: block;
}

#link_wrap .other_list .ttl_en {
  font-size: 5.4rem;
  line-height: 1.29629629629;
}

#link_wrap .other_list .ttl_jp {
  font-weight: 700;
  font-size: 2.2rem;
  line-height: 1.1818;
}

#link_wrap .other_list .txt {
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 1.42857142857;
  color: #fff;
  text-align: center;
  margin-top: 10px;
}

@media screen and (max-width: 850px) {
  #link_wrap .list li a {
    padding: 0 0 1.867vw;
    height: 38vw;
  }

  #link_wrap .list .ttl {
    padding: 0 0 0 8%;
    width: 100%;
  }

  #link_wrap .list .ttl::after {
    right: 3%;
    width: 29.333333333vw;
    height: 2.92vw;
  }

  #link_wrap .list .ttl_en {
    font-size: 11.733vw;
  }

  #link_wrap .list .ttl_jp {
    font-size: 4.8vw;
  }

  #link_wrap .other_list {
    display: block;
  }

  #link_wrap .other_list li {
    margin-top: 8px;
    width: 100%;
  }

  #link_wrap .other_list li a {
    padding: 0 0 1.867vw;
    height: 38vw;
  }

  #link_wrap .other_list .ttl_en {
    font-size: 11.733vw;
  }

  #link_wrap .other_list .ttl_jp {
    font-size: 4.8vw;
  }

  #link_wrap .other_list .txt {
    font-size: 3.733vw;
    margin-top: 1.6vw;
  }
}

/* -----------------
footer
-------------------- */

footer {
  padding: 85px 0 80px;
  background: #005BAC;
}

footer .logo {
  margin: 0 auto 33px;
  width: 120px;
}

footer .logo a {
  display: block;
  transition: .3s;
}

footer .logo a:hover {
  opacity: .7;
}

footer .txt {
  font-weight: 500;
  font-size: 1.8rem;
  line-height: 1.5;
  color: #fff;
  text-align: center;
}

footer address {
  margin-top: 11px;
}

footer address .txt {
  font-weight: 400;
  font-size: 1.4rem;
  line-height: 1.42857;
}

footer address .txt a {
  display: inline-block;
  margin-left: 1em;
}

footer .btn_contact {
  margin-top: 40px;
  text-align: center;
}
footer .btn_contact a {
  position: relative;
  display: inline-block;
  padding: 15px 40px 17px;
  background-color: #ffffff;
  border-radius: 8px;
  border: 1px solid #ffffff;
  font-size: 1.8rem;
  font-weight: 600;
  color: #005bac;
  line-height: 1em;
  transition: .3s;
}
footer .btn_contact a:hover,
footer .btn_contact a:active,
footer .btn_contact a:focus {
  background-color: #005bac;
  color: #ffffff;
}
footer .btn_contact span {
  position: relative;
  top: 2px;
  display: inline-block;
  width: 24px;
  height: 1.8rem;
  margin-right: 10px;
  border: 2px solid #005bac;
}
footer .btn_contact span:before {
  position: absolute;
  top: 0px;
  left: 0px;
  display: inline-block;
  content: '';
  border-left: 2px solid #005bac;
  width: 20px;
  height: 14px;
  transform: translateY(-0%) rotate(-45deg);
  transform-origin: left top;
}
footer .btn_contact span:after {
  position: absolute;
  top: 0px;
  right: 0px;
  display: inline-block;
  content: '';
  border-right: 2px solid #005bac;
  width: 20px;
  height: 14px;
  transform: translateY(-0%) rotate(45deg);
  transform-origin: top right;
}
footer .btn_contact a:hover span,
footer .btn_contact a:active span,
footer .btn_contact a:focus span {
  border: 2px solid #ffffff;
}
footer .btn_contact a:hover span:before,
footer .btn_contact a:active span:before,
footer .btn_contact a:focus span:before {
  border-left: 2px solid #ffffff;
}
footer .btn_contact a:hover span:after,
footer .btn_contact a:active span:after,
footer .btn_contact a:focus span:after {
  border-right: 2px solid #ffffff;
}

@media screen and (max-width: 850px) {
  footer {
    padding: 50px 0;
  }

  footer .txt {
    font-size: 1.6rem;
  }

  footer address .txt {
    font-size: 1.2rem;
  }

  footer address .txt a {
    margin: 10px 0 0;
  }
}