.video {
  width: 100%;
  height: auto;
}

.video video {
  width: 100%;
  height: auto;
  display: block;
}
#header #key {
  background: url(../img/concept/key_sp.jpg) no-repeat center top/cover;
}
#sec1 {
  padding: 18vw 0 20vw;
}
#sec1 .set1 {
  padding-bottom: 12vw;
}
#sec1 .set1 .content .gr .photo {
  margin: 10vw 0 6vw;
}
#sec1 .set1 .content .gr .gr-txt .video {
  margin-top: 10vw;
  position: relative;
}
#sec1 .set1 .content .gr .gr-txt .video::before {
  content: "";
  background: url(../img/shared/deco1.png) repeat left top/50px auto;
  position: absolute;
  right: -10vw;
  bottom: -10vw;
  left: 55%;
  height: 40vw;
  z-index: -1;
}
#sec1 .set1 .content .gr .gr-txt .video .movie {
  position: relative;
  width: 100%;
  height: 0;
  padding-top: 56.25%;
  overflow: hidden;
}
#sec1 .set1 .content .gr .gr-txt .video .movie .movie__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
#sec1 .set1 .content .photo-small {
  margin: 20vw 15% 0;
}
#sec1 .set2 .box {
  position: relative;
  overflow: hidden;
  margin: 0 -3vw;
  padding: 0 8% 11vw;
}
#sec1 .set2 .box::before {
  content: "";
  border: 3px solid #49c6d1;
  position: absolute;
  top: 18px;
  right: 0;
  bottom: 0;
  left: 0;
}
#sec1 .set2 .box .inner::before {
  content: "";
  border: 1px solid #49c6d1;
  position: absolute;
  top: 27px;
  right: 10px;
  bottom: 10px;
  left: 10px;
}
#sec1 .set2 .box .inner h3 {
  margin-bottom: 5vw;
  text-align: center;
}
#sec1 .set2 .box .inner h3 .t {
  display: block;
  width: 250px;
  margin: 0 auto;
}
#sec1 .set2 .box .inner .gr-ttls li {
  font-size: 20px;
  line-height: 35px;
  position: relative;
  padding-left: 31px;
}
#sec1 .set2 .box .inner .gr-ttls li::before {
  content: "";
  background: url(../img/concept/sec1_tttl_icon.png) no-repeat 0 0/100% auto;
  width: 17px;
  height: 17px;
  position: absolute;
  top: 7px;
  left: 0;
}
#sec1 .set2 .box .inner .gr-ttls li span {
  color: #4387b7;
  letter-spacing: 0.1em;
}
#sec1 .set2 .box .inner .gr-ttls li:not(:last-child) {
  margin-bottom: 13px;
}
#sec2 {
  position: relative;
  color: #fff;
  padding: 13vw 0 25vw;
}
#sec2::before {
  content: "";
  background: url(../img/concept/sec2_bg.jpg) no-repeat center top/cover;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  -webkit-clip-path: polygon(0 0, 100% 0, 100% 92%, 50% 100%, 0 92%);
  clip-path: polygon(0 0, 100% 0, 100% 92%, 50% 100%, 0 92%);
  z-index: -1;
}
#sec2 .box {
  border: 1px solid #fff;
  padding: 10vw 5% 10vw;
  background: url(../img/concept/sec2_deco.png);
}
#sec2 .box h3 {
  margin: 3vw 0 6vw;
}
#sec3 {
  padding: 15vw 0 0;
}
#sec3 .set1 {
  padding-bottom: 12vw;
}
#sec3 .set1 .map {
  margin: 0 -5.3vw 3vw;
}
#sec3 .set1 .txt {
  margin: 6vw 0 1vw;
}
#sec3 .set2 {
  position: relative;
}
#sec3 .set2::before {
  content: "";
  background: url(../img/shared/deco1.png) repeat left top/50px auto;
  position: absolute;
  top: 11vw;
  left: 0;
  right: 20%;
  height: 10vw;
  z-index: -1;
}
#sec3 .set2::after {
  content: "";
  background: url(../img/shared/deco1.png) repeat left bottom/50px auto;
  position: absolute;
  right: 0;
  left: 20%;
  height: 10vw;
  bottom: 10vw;
  z-index: -1;
}
#sec3 .set2 .js-scroll {
  pointer-events: none;
  touch-action: none;
}
#sec3 .set2 .js-scroll li img {
  width: 238vw !important;
}
#sec4 {
  padding: 10vw 0 0;
}
#sec4 .point {
  background: rgba(108, 141, 159, 0.16);
  padding: 9vw 5%;
  font-weight: 700;
  margin: 0 -3vw;
}
#sec4 .point h3 {
  text-align: center;
  font-size: 27px;
  font-weight: 700;
  letter-spacing: 0.06em;
  position: relative;
  padding-bottom: 26px;
  margin-bottom: 27px;
}
#sec4 .point h3::before {
  content: "";
  border-top: 1px solid #a1a5a8;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 115px;
}
#sec4 .point .list li {
  position: relative;
  padding-left: 15px;
  font-size: 15px;
  line-height: 33px;
}
#sec4 .point .list li:not(:last-child) {
  margin-bottom: 4px;
}
#sec4 .point .list li::before {
  content: "・";
  position: absolute;
  top: 0;
  left: 0;
}
#sec4 .set1 {
  padding-bottom: 19vw;
  position: relative;
}
#sec4 .set1::before {
  content: "";
  border-top: 1px solid #49c6d1;
  position: absolute;
  right: -3vw;
  bottom: 0;
  left: -3vw;
}
#sec4 .set1::after {
  content: "";
  border-top: 3px solid #49c6d1;
  position: absolute;
  right: -3vw;
  bottom: 10px;
  left: -3vw;
}
#sec4 .set1 .row1 {
  padding-bottom: 13vw;
}
#sec4 .set1 .row1 .txt {
  margin: 6vw 0 0;
}
#sec4 .set1 .row1 .txt p:not(:last-child) {
  margin-bottom: 5vw;
}
#sec4 .set1 .row2 .item1 {
  margin-bottom: 7vw;
}
#sec4 .set1 .row2 .item1 h3 {
  margin: 0 7% 7vw;
}
#sec4 .set1 .row2 .item2 {
  margin-bottom: 11vw;
}
/* 変更後 */
#sec4 .set1 .row2 .item2 .video {
  margin-top: 10vw;
  position: relative;
}
#sec4 .set1 .row2 .item2 .video .movie {
  position: relative;
  width: 100%;
  height: 0;
  padding-top: 56.25%;
  overflow: hidden;
}
#sec4 .set1 .row2 .item2 .video .movie .movie__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
#sec4 .set2 {
  padding: 13vw 0 0;
}
#sec4 .set2 .item1 {
  margin-bottom: 8vw;
}
#sec4 .set2 .item1 h2 {
  margin: 0 14% 6vw;
}
#sec4 .set2 .item2 .info {
  margin: 8vw 4% 10vw;
}
#sec4 .set2 .item2 .info h3 {
  font-size: 4.7vw;
  font-weight: 700;
  color: #fff;
  background: #1a6599;
  text-align: center;
  line-height: 1.75;
  padding: 4.5vw 20px;
}
#sec4 .set2 .item2 .info .photo {
  border: 1px solid #1a6599;
  border-top: 0;
  padding: 5vw 7% 7vw;
}
#sec5 {
  padding: 15vw 0 13vw;
}
#sec5 .item1 .photo {
  margin: 7vw 0 6vw;
}
#sec5 .item2 .photo {
  margin-top: 10vw;
}
#sec5 .item3 .inner {
  margin-top: 10vw;
}
#sec5 .item3 .inner .box {
  border: 1px solid #312f2a;
  padding: 10vw 5% 8vw;
}
#sec5 .item3 .inner .box h3 {
  margin: 0 9% 5vw;
}
#sec5 .item3 .inner .box .list {
  background: rgba(108, 141, 159, 0.16);
  padding: 5vw 5%;
}
#sec5 .item3 .inner .box .list li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  line-height: 30px;
  font-weight: 700;
}
#sec5 .item3 .inner .box .list li:not(:last-child) {
  margin-bottom: 4px;
}
#sec5 .item3 .inner .box .list li::before {
  content: "・";
  position: absolute;
  top: 0;
  left: 0;
}
#sec5 .item3 .inner .note {
  margin-top: 10px;
}
#sec6 {
  position: relative;
  padding: 25vw 0 20vw;
  background: url(../img/concept/sec6_shadow_sp.png) no-repeat center
    bottom/130% auto;
}
#sec6 .wave_animation {
  top: -110px;
}
#sec6 h2 {
  font-size: 6vw;
  text-align: center;
  margin-bottom: 8vw;
  line-height: 1.7;
}
#sec6 .txt {
  text-align: center;
}
@media screen and (min-width: 768px) {
  #header #key {
    background: url(../img/concept/key.jpg) no-repeat center top/cover;
  }
  #sec1 {
    padding: 137px 0 106px;
  }
  #sec1 .set1 {
    padding-bottom: 69px;
  }
  #sec1 .set1 h2 {
    width: -moz-fit-content;
    width: fit-content;
    margin: 0 auto 51px;
  }
  #sec1 .set1 .content .gr {
    display: flex;
  }
  #sec1 .set1 .content .gr .photo {
    margin: 0 0 0 -165px;
    flex: 1;
    height: 624px;
  }
}
@media screen and (min-width: 768px) and (max-width: 1330px) {
  #sec1 .set1 .content .gr .photo {
    margin-left: calc(-50vw + 50%);
  }
}
@media screen and (min-width: 768px) {
  #sec1 .set1 .content .gr .gr-txt {
    width: 470px;
    margin: 62px 0 0 70px;
  }
  #sec1 .set1 .content .gr .gr-txt .txt {
    letter-spacing: 0;
    margin-right: -9px;
  }
  #sec1 .set1 .content .gr .gr-txt .video {
    margin: 86px -100px 0 25px;
    height: 395px;
  }
  #sec1 .set1 .content .gr .gr-txt .video video{
    height: 100%;
    object-fit: cover;
  }
  #sec1 .set1 .content .gr .gr-txt .video::before {
    background: url(../img/shared/deco1.png);
    right: -10000px;
    bottom: -78px;
    left: 315px;
    height: 334px;
  }
  #sec1 .set1 .content .gr .gr-txt .video .movie {
    width: 100%;
    height: 395px;
    padding-top: 0;
  }
}
@media screen and (min-width: 768px) {
  #sec1 .set1 .content .photo-small {
    margin: -443px 0 210px 112px;
  }
}
@media screen and (min-width: 768px) {
  #sec1 .set2 .wrap {
    max-width: 1130px;
    padding: 0 10px;
  }
  #sec1 .set2 .box {
    margin: 0;
    padding: 0 55px 68px;
  }
  #sec1 .set2 .box::before {
    border: 4px solid #49c6d1;
    top: 28px;
  }
  #sec1 .set2 .box .inner::before {
    top: 48px;
    right: 20px;
    bottom: 20px;
    left: 20px;
  }
  #sec1 .set2 .box .inner h3 {
    margin-bottom: 51px;
  }
  #sec1 .set2 .box .inner h3 .t {
    width: 432px;
  }
  #sec1 .set2 .box .inner .gr-ttls-pc li:not(:last-child) {
    margin-bottom: 23px;
  }
}
@media screen and (min-width: 768px) {
  #sec2 {
    padding: 65px 0 175px;
  }
  #sec2::before {
    content: "";
    background: url(../img/concept/sec2_bg.jpg) no-repeat center top/cover;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    -webkit-clip-path: polygon(
      0 0,
      100% 0,
      100% calc(100% - 120px),
      50% 100%,
      0 calc(100% - 120px)
    );
    clip-path: polygon(
      0 0,
      100% 0,
      100% calc(100% - 120px),
      50% 100%,
      0 calc(100% - 120px)
    );
    z-index: -1;
  }
  #sec2 .box {
    padding: 65px 50px 60px;
  }
  #sec2 .box h2 {
    width: -moz-fit-content;
    width: fit-content;
    margin: 0 auto;
  }
  #sec2 .box h3 {
    width: -moz-fit-content;
    width: fit-content;
    margin: 25px auto 50px;
  }
  #sec2 .box .txt {
    text-align: center;
    line-height: 39px;
  }
}
@media screen and (min-width: 768px) {
  #sec3 {
    padding: 50px 0 0;
  }
  #sec3 .set1 {
    padding-bottom: 287px;
  }
  #sec3 .set1 .txt {
    margin: 42px 0 0 71px;
    width: 585px;
  }
  #sec3 .set1 .catch {
    position: absolute;
    top: 397px;
    right: -223px;
  }
  #sec3 .set1 .js-map {
    position: relative;
  }
  #sec3 .set1 .js-map .info-box {
    border: 1px solid #000;
    width: 630px;
    margin: 87px 0 0 -20px;
    padding: 51px 50px;
    position: relative;
    min-height: 342px;
  }
  #sec3 .set1 .js-map .info-box::before {
    content: "";
    background: rgba(108, 141, 159, 0.16);
    position: absolute;
    top: 20px;
    right: 20px;
    bottom: 20px;
    left: 20px;
    z-index: -1;
  }
  #sec3 .set1 .js-map .info-box .child-toggle {
    font-size: 30px;
    color: #000;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-align: center;
    background: none;
    border: 0;
    display: block;
    width: 100%;
    padding-bottom: 13px;
    margin-bottom: 26px;
    border-bottom: 1px solid #a1a5a8;
  }
  #sec3 .set1 .js-map .info-box .child-content {
    width: -moz-fit-content;
    width: fit-content;
    margin: 0 auto;
    letter-spacing: 0.02em;
  }
  #sec3 .set1 .js-map .info-box .flex {
    display: flex;
    justify-content: center;
  }
  #sec3 .set1 .js-map .info-box .flex ul:first-child {
    margin-right: 40px;
  }
  #sec3 .set1 .js-map .info-box .flex ul:last-child {
    margin-right: -10px;
  }
  #sec3 .set2::before {
    background: url(../img/shared/deco1.png);
    top: 137px;
    right: calc(50% - 320px);
    height: 80px;
  }
  #sec3 .set2::after {
    background: url(../img/shared/deco1.png);
    left: calc(50% - 320px);
    height: 80px;
    bottom: 185px;
  }
  #sec3 .set2 .js-scroll {
    height: 534px;
    overflow: hidden;
  }
  #sec3 .set2 .js-scroll li img {
    width: 2525px !important;
  }
}
@media screen and (min-width: 768px) {
  #sec4 {
    padding: 43px 0 0;
  }
  #sec4 .point {
    padding: 36px 68px 38px;
    width: 760px;
    margin: 0 auto;
    display: flex;
    align-items: center;
  }
  #sec4 .point h3 {
    text-align: left;
    font-size: 30px;
    padding-bottom: 0;
    margin-bottom: 0;
    width: 164px;
  }
  #sec4 .point h3::before {
    content: none;
  }
  #sec4 .point .list {
    flex: 1;
    padding: 4px 0 4px 44px;
    position: relative;
  }
  #sec4 .point .list::before {
    content: "";
    border-left: 1px solid #a1a5a8;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
  }
  #sec4 .point .list li {
    padding-left: 18px;
    font-size: 18px;
    line-height: 40px;
  }
  #sec4 .point .list li:not(:last-child) {
    margin-bottom: 0;
  }
  #sec4 .set1 {
    padding-bottom: 86px;
  }
  #sec4 .set1::before {
    right: -50px;
    left: -50px;
  }
  #sec4 .set1::after {
    border-top: 4px solid #49c6d1;
    right: -50px;
    left: -50px;
    bottom: 12px;
  }
  #sec4 .set1 .row1 {
    padding-bottom: 84px;
    position: relative;
  }
  #sec4 .set1 .row1::before {
    content: "";
    background: url(../img/shared/deco1.png);
    position: absolute;
    top: 127px;
    right: calc(-50vw + 50%);
    left: 980px;
    height: 374px;
    z-index: -1;
  }
  #sec4 .set1 .row1 h2 {
    width: -moz-fit-content;
    width: fit-content;
    margin-left: 191px;
  }
  #sec4 .set1 .row1 .txt {
    width: 600px;
    letter-spacing: 0.01em;
    margin: 55px 0 0 251px;
  }
  #sec4 .set1 .row1 .txt p:not(:last-child) {
    margin-bottom: 22px;
  }
  #sec4 .set1 .row1 .catch {
    position: absolute;
    top: -8px;
    left: -166px;
  }
  #sec4 .set1 .row1 .deco {
    position: absolute;
    top: 90px;
    right: -314px;
    z-index: -1;
  }
  #sec4 .set1 .row2 .item1 {
    margin-bottom: 0;
    position: relative;
  }
  #sec4 .set1 .row2 .item1 h3 {
    margin: 0;
    position: absolute;
    top: 22px;
    right: 47px;
  }
  #sec4 .set1 .row2 .item1 .photo {
    width: 790px;
    margin-left: -39px;
  }
  #sec4 .set1 .row2 .item2 {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 46px;
  }
  #sec4 .set1 .row2 .item2 .txt {
    width: 535px;
    margin: 50px 0 0 61px;
  }
/* 変更後 */
#sec4 .set1 .row2 .item2 .video {
  width: 405px;
  margin: -55px -49px 0 0;
  height: 269px;
}
#sec4 .set1 .row2 .item2 .video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  padding-top: 0;
}
  #sec4 .set2 {
    padding: 69px 0 0;
  }
  #sec4 .set2 .item1 {
    margin-bottom: 49px;
    position: relative;
  }
  #sec4 .set2 .item1 h2 {
    margin: 0;
    position: absolute;
    top: 46px;
    left: 50px;
  }
  #sec4 .set2 .item1 .photo {
    margin: 0 -40px 0 auto;
    width: -moz-fit-content;
    width: fit-content;
  }
  #sec4 .set2 .item2 {
    position: relative;
  }
  #sec4 .set2 .item2 .txt {
    width: 510px;
    margin-left: 40px;
  }
  #sec4 .set2 .item2 .point {
    margin: 32px 0 0 20px;
    padding: 30px 42px 33px;
    width: 560px;
    display: block;
  }
  #sec4 .set2 .item2 .point h3 {
    text-align: center;
    width: auto;
  }
  #sec4 .set2 .item2 .point .list {
    padding: 33px 0 0;
    margin-top: 14px;
  }
  #sec4 .set2 .item2 .point .list::before {
    border-left: 0;
    border-top: 1px solid #a1a5a8;
    right: 0;
    bottom: auto;
  }
  #sec4 .set2 .item2 .point .list li {
    letter-spacing: 0;
  }
  #sec4 .set2 .item2 .info {
    margin: 0;
    position: absolute;
    top: 24px;
    right: 20px;
    width: 353px;
  }
  #sec4 .set2 .item2 .info h3 {
    font-size: 20px;
    line-height: 36px;
    padding: 18px 20px;
  }
  #sec4 .set2 .item2 .info .photo {
    padding: 23px 26px 31px;
  }
}
@media screen and (min-width: 768px) {
  #sec5 {
    padding: 92px 0 160px;
  }
  #sec5 .item1 {
    position: relative;
  }
  #sec5 .item1 h2 {
    margin-left: -39px;
  }
  #sec5 .item1 .photo {
    margin: 41px 0 0 -69px;
    width: -moz-fit-content;
    width: fit-content;
  }
  #sec5 .item1 .catch {
    position: absolute;
    top: 143px;
    right: -73px;
  }
  #sec5 .item2 {
    display: flex;
    justify-content: space-between;
  }
  #sec5 .item2 .photo {
    margin: -79px 5px 0 0;
  }
  #sec5 .item2 .txt {
    width: 565px;
    margin-top: 57px;
    letter-spacing: 0;
  }
  #sec5 .item3 {
    position: relative;
  }
  #sec5 .item3::before {
    content: "";
    background: url(../img/concept/sec5_deco.png) no-repeat;
    width: 419px;
    height: 311px;
    position: absolute;
    top: -124px;
    right: -305px;
    z-index: -1;
  }
  #sec5 .item3 .inner {
    margin: 45px auto 0;
    width: 587px;
  }
  #sec5 .item3 .inner .box {
    padding: 37px 60px 23px;
  }
  #sec5 .item3 .inner .box h3 {
    margin: 0 auto 17px;
    width: -moz-fit-content;
    width: fit-content;
  }
  #sec5 .item3 .inner .box .list {
    padding: 17px 20px 21px 54px;
  }
  #sec5 .item3 .inner .box .list li {
    padding-left: 18px;
    font-size: 18px;
    line-height: 40px;
  }
  #sec5 .item3 .inner .box .list li:not(:last-child) {
    margin-bottom: 0;
  }
  #sec5 .item3 .inner .note {
    margin: 18px -20px 0 4px;
    letter-spacing: 0;
  }
}
@media screen and (min-width: 768px) {
  #sec6 {
    padding: 84px 0 120px;
    background: url(../img/concept/sec6_shadow_sp.png) no-repeat center
      bottom/100% auto;
  }
  #sec6 h2 {
    font-size: 47px;
    margin-bottom: 45px;
    line-height: 68px;
  }
  #sec6 .txt {
    text-align: center;
  }
  #sec6 .cv {
    margin-top: 36px;
  }
  #sec6 .btn-link {
    margin-top: 60px;
  }
}
@media screen and (max-width: 1399px) and (min-width: 768px) {
  #sec3 .set1 .catch {
    right: calc(-50vw + 50% - 10px);
    left: 87%;
  }
  #sec3 .set1 .catch img {
    width: 100%;
    height: auto;
  }
  #sec4 .set1 .row1 .catch {
    left: calc(-50vw + 50% + 20px);
  }
  #sec4 .set1 .row1 .catch img {
    width: 100%;
    height: auto;
  }
}
@media screen and (max-width: 1299px) and (min-width: 768px) {
  #sec4 .set1 .row1 .catch {
    right: 83%;
  }
}
@media screen and (max-width: 1199px) and (min-width: 768px) {
  #sec4 .set1 .row1 .deco {
    right: -270px;
  }
  #sec5 .item1 .catch {
    right: calc(-50vw + 50% + 20px);
  }
  #sec5 .item1 h2 {
    margin-left: calc(-50vw + 50% + 30px);
  }
}