#key-box::after {
  content: "";
  position: absolute;
  height: 42vw;
  width: 1px;
  top: calc(100% - 15vw);
  left: 0;
  right: 0;
  margin: 0 auto;
  background: #000;
}
@media only screen and (min-width: 768px) {
  #key-box::after {
    height: 300px;
    top: calc(100% - 80px);
  }
}

#sec1 {
  padding-bottom: 26.1vw;
}
#sec1 .wrap {
  padding: 0;
}
#sec1 .row1 {
  position: relative;
  margin-top: 2.9vw;
  padding-top: 27.6vw;
  padding-bottom: 19.8vw;
}
#sec1 .row1::before {
  content: "";
  position: absolute;
  background: url(../img/index/sec1_deco1.png) no-repeat;
  background-size: cover;
  background-position: center top;
  height: 139.6vw;
  top: 2.7vw;
  left: 0;
  right: 0;
}
#sec1 .row1 h2 {
  width: 25.3vw;
  position: absolute;
  z-index: 2;
  top: 67.8vw;
  left: 13%;
}
#sec1 .row1 h2 img {
  object-fit: contain;
  width: 100%;
  height: auto;
}
#sec1 .row1 .ttl {
  text-align: center;
  margin: 0 auto 34vw;
  font-size: 8vw;
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.4em;
  letter-spacing: 0.21em;
  width: 11.2vw;
  height: 77.6vw;
}
#sec1 .row1 .img1 {
  position: absolute;
  top: 13.3vw;
  right: 0;
  width: 32.7vw;
  height: 93.3vw;
}
#sec1 .row1 .img1 img {
  object-position: top left;
  object-fit: cover;
  width: 100%;
  height: 100%;
}
#sec1 .row1 .img2 {
  position: absolute;
  top: 58.4vw;
  left: 0;
  width: 31.1vw;
  height: 46.7vw;
}
#sec1 .row1 .img2 img {
  object-position: top right;
  object-fit: cover;
  width: 100%;
  height: 100%;
}
#sec1 .row1 .deco1 {
  width: 61vw;
  position: absolute;
  top: -3vw;
  left: -11%;
}
#sec1 .row1 .group {
  position: absolute;
  right: -17%;
  bottom: 0;
  z-index: 1;
}
#sec1 .row1 .group .deco2 {
  width: 61vw;
  margin-bottom: -10vw;
}
#sec1 .row1 .group .deco3 {
  width: 61vw;
}
#sec1 .row2 {
  margin-top: -19.7vw;
  position: relative;
}
#sec1 .row2 .img {
  height: 80vw;
  margin-bottom: 15.2vw;
}
#sec1 .row2 .img img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}
#sec1 .row2 h3 {
  width: 25.3vw;
  position: absolute;
  z-index: 2;
  top: 15vw;
  right: 22%;
}
#sec1 .row2 h3 img {
  object-fit: contain;
  width: 100%;
  height: auto;
}
#sec1 .row2 .desc {
  box-sizing: border-box;
  padding: 0 10%;
}
#sec1 .row2 .desc .txt1 {
  margin-bottom: 24px;
}
@media only screen and (min-width: 768px) {
  #sec1 {
    padding-bottom: 148px;
  }
  #sec1 .row1 {
    margin-top: 69px;
    padding-top: 181px;
    padding-bottom: 172px;
  }
  #sec1 .row1::before {
    width: 1125px;
    height: 794px;
    top: 22px;
    left: calc(50% - 373px);
    right: inherit;
  }
  #sec1 .row1 h2 {
    width: 157px;
    top: 360px;
    left: 201px;
  }
  #sec1 .row1 .ttl {
    margin: 0 auto 170px;
    font-size: 48px;
    width: 68px;
    height: 465px;
  }
  #sec1 .row1 .img1 {
    top: 203px;
    right: calc(50% + 372px);
    width: 378px;
    height: 700px;
  }
  #sec1 .row1 .img2 {
    top: 82px;
    left: calc(50% + 199px);
    width: 450px;
    height: 350px;
  }
  #sec1 .row1 .deco1 {
    width: 452px;
    top: -29px;
    left: calc(50% - 492px);
  }
  #sec1 .row1 .group {
    right: calc(50% - 525px);
  }
  #sec1 .row1 .group .deco2 {
    width: 452px;
    margin-bottom: -71px;
  }
  #sec1 .row1 .group .deco3 {
    width: 452px;
  }
  #sec1 .row2 {
    margin-top: -172px;
  }
  #sec1 .row2 .img {
    height: 600px;
    margin-bottom: 0;
    margin-right: -250px;
    margin-left: -100px;
  }
  #sec1 .row2 h3 {
    width: 157px;
    top: 440px;
    right: 93px;
  }
  #sec1 .row2 .desc {
    width: 800px;
    padding: 70px 78px 0 160px;
    margin-left: -100px;
    background-color: #fcf7f1;
    margin-top: -30px;
    position: relative;
    z-index: 1;
  }
  #sec1 .row2 .desc .txt1 {
    margin-bottom: 30px;
  }
}

#sec2 .jp-all {
  margin-bottom: 19.6vw;
}
#sec2 .row {
  padding-bottom: 13.2vw;
  position: relative;
  z-index: 1;
}
#sec2 .row::before {
  content: "";
  position: absolute;
  background: #000;
  opacity: 0.75;
  top: 53.3vw;
  bottom: 13.2vw;
  right: -4.4%;
  left: 0;
  z-index: -1;
}
#sec2 .row::after {
  content: "";
  position: absolute;
  background: url(../img/shared/main_bg1.png) repeat;
  background-size: 7vw;
  --clp: 20vw;
  top: -12vw;
  bottom: 0;
  right: -4.4%;
  left: -4.4%;
  z-index: -1;
  clip-path: polygon(0 0, 100% var(--clp), 100% 100%, 0% 100%);
}
#sec2 .row .flex {
  flex-direction: column;
}
#sec2 .row .img {
  margin-left: -4.4%;
  height: 93.3vw;
}
#sec2 .row .img img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}
#sec2 .row .desc {
  box-sizing: border-box;
  padding: 8vw 10%;
  position: relative;
  z-index: 1;
  margin-top: -13.3vw;
  background-color: #fff;
}
#sec2 .row .desc .logo {
  width: 56vw;
  margin: 0 auto 6.1vw;
}
#sec2 .row .desc .txt {
  padding-top: 4.6vw;
  border-top: 1px solid #000;
  position: relative;
}
#sec2 .row .desc .txt::before {
  content: "";
  position: absolute;
  top: 2px;
  border-top: 1px solid #000;
  left: 0;
  right: 0;
}
#sec2 .row .list {
  padding: 7vw 0 9.7vw;
}
#sec2 .row .list .btn-all {
  margin-bottom: 4vw;
}
@media only screen and (min-width: 768px) {
  #sec2 .jp-all {
    margin-bottom: 72px;
  }
  #sec2 .row {
    margin: 0 -250px;
    padding-bottom: 140px;
  }
  #sec2 .row::before {
    top: 210px;
    bottom: 140px;
    right: calc(50% - 50vw);
    left: calc(50% - 350px);
  }
  #sec2 .row::after {
    background-size: auto;
    --clp: 150px;
    top: -50px;
    right: calc(50% - 50vw);
    left: calc(50% - 50vw);
  }
  #sec2 .row .flex {
    align-items: flex-start;
    flex-direction: row;
  }
  #sec2 .row .img {
    position: absolute;
    top: 0;
    left: calc(50% - 50vw);
    right: calc(50% - 250px);
    margin-left: 0;
    height: 700px;
  }
  #sec2 .row .desc {
    margin-left: auto;
    margin-right: 80px;
    width: 500px;
    padding: 70px 50px 53px;
    margin-top: 150px;
  }
  #sec2 .row .desc .logo {
    width: 351px;
    margin: 0 auto 30px;
  }
  #sec2 .row .desc .txt {
    width: 100%;
    padding-top: 30px;
  }
  #sec2 .row .list {
    display: flex;
    justify-content: center;
    padding: 51px 0 119px;
  }
  #sec2 .row .list .btn-all {
    margin-bottom: 0;
    margin-right: 40px;
  }
  #sec2 .row .list .btn-all:last-child {
    margin-right: 0;
  }
}

#sec3 .row {
  position: relative;
  z-index: 1;
}
#sec3 .row::before {
  content: "";
  position: absolute;
  background: #000;
  opacity: 0.75;
  top: 53.3vw;
  bottom: 0;
  right: -4.4%;
  left: 0;
  z-index: -1;
}
#sec3 .row::after {
  content: "";
  position: absolute;
  background: url(../img/shared/main_bg1.png) repeat;
  background-size: 7vw;
  --clp: 20vw;
  top: 0;
  bottom: -12vw;
  right: -4.4%;
  left: -4.4%;
  z-index: -1;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0% calc(100% - var(--clp)));
}
#sec3 .row .flex {
  flex-direction: column;
}
#sec3 .row .img {
  margin-left: -4.4%;
  height: 93.3vw;
}
#sec3 .row .img img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}
#sec3 .row .desc {
  box-sizing: border-box;
  padding: 8vw 10%;
  position: relative;
  z-index: 1;
  margin-top: -13.3vw;
  background-color: #fff;
}
#sec3 .row .desc .logo {
  width: 51.2vw;
  margin: 0 auto 6.1vw;
}
#sec3 .row .desc .txt {
  padding-top: 4.6vw;
  border-top: 1px solid #000;
  position: relative;
}
#sec3 .row .desc .txt::before {
  content: "";
  position: absolute;
  top: 2px;
  border-top: 1px solid #000;
  left: 0;
  right: 0;
}
#sec3 .row .list {
  padding: 7vw 0 9.7vw;
}
#sec3 .row .list .btn-all {
  margin-bottom: 4vw;
}
@media only screen and (min-width: 768px) {
  #sec3 .row {
    margin: 0 -250px;
    padding-bottom: 140px;
  }
  #sec3 .row::before {
    top: 210px;
    bottom: 140px;
    right: calc(50% - 50vw);
    left: calc(50% - 350px);
  }
  #sec3 .row::after {
    background-size: auto;
    --clp: 150px;
    bottom: 63px;
    right: calc(50% - 50vw);
    left: calc(50% - 50vw);
  }
  #sec3 .row .flex {
    align-items: flex-start;
    flex-direction: row;
  }
  #sec3 .row .img {
    position: absolute;
    top: 0;
    left: calc(50% - 50vw);
    right: calc(50% - 250px);
    margin-left: 0;
    height: 700px;
  }
  #sec3 .row .desc {
    margin-left: auto;
    margin-right: 80px;
    width: 500px;
    padding: 70px 50px 106px;
    margin-top: 150px;
  }
  #sec3 .row .desc .logo {
    width: 320px;
    margin: 0 auto 46px;
  }
  #sec3 .row .desc .txt {
    width: 100%;
    padding-top: 30px;
  }
  #sec3 .row .list {
    display: flex;
    justify-content: center;
    padding: 51px 0 119px;
  }
  #sec3 .row .list .btn-all {
    margin-bottom: 0;
    margin-right: 40px;
  }
  #sec3 .row .list .btn-all:last-child {
    margin-right: 0;
  }
}

#sec4 {
  padding-top: 29vw;
  padding-bottom: 88.9vw;
  position: relative;
}
#sec4 .jp-all {
  font-family: var(--sans);
  font-size: 9.6vw;
  font-weight: 100;
  text-align: left;
  padding-top: 0;
  padding-bottom: 6.7vw;
  margin-bottom: 5.8vw;
  margin-left: 6%;
}
#sec4 .jp-all::before {
  left: -93%;
  bottom: 0;
  top: inherit;
}
#sec4 .en-all {
  position: absolute;
  top: 0;
  right: 9%;
}
#sec4 .en-all span {
  top: 3.3vw;
  left: 15.6vw;
}
#sec4 .txt {
  box-sizing: border-box;
  padding: 0 6%;
  margin-bottom: 8.6vw;
}
#sec4 .bnr {
  position: relative;
}
#sec4 .bnr::before {
  content: "";
  position: absolute;
  background: url(../img/index/sec4_btn.png) no-repeat;
  background-size: contain;
  aspect-ratio: 1/1;
  width: 10.1vw;
  height: auto;
  left: 0;
  right: 0;
  margin: 0 auto;
  bottom: 8.7vw;
  z-index: 1;
}
#sec4 .bnr .link {
  position: absolute;
  inset: 0;
  z-index: 2;
}
#sec4 .bnr .ttl {
  color: #fff;
  font-family: var(--serif);
  font-weight: bold;
  font-size: 5.3vw;
  line-height: 1.6em;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  inset: 0;
  margin: 0 auto;
  text-align: center;
  z-index: 1;
}
#sec4 .bg {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: -1;
}
#sec4 .bg img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}
@media only screen and (min-width: 768px) {
  #sec4 {
    padding-top: 0;
    padding-bottom: 849px;
  }
  #sec4 .jp-all {
    font-size: 72px;
    padding-bottom: 73px;
    margin-bottom: -10px;
    margin-left: 149px;
    line-height: 1em;
  }
  #sec4 .jp-all::before {
    left: -96%;
    bottom: 0;
  }
  #sec4 .en-all {
    top: 228px;
    right: inherit;
    left: 39px;
  }
  #sec4 .en-all span {
    top: 25px;
    left: 103px;
  }
  #sec4 .txt {
    margin-right: 99px;
    margin-left: auto;
    width: 500px;
    padding: 0;
    margin-bottom: 50px;
  }
  #sec4 .bnr {
    text-align: center;
    width: 800px;
    margin: 0 auto;
    transition: all 0.3s ease;
  }
  #sec4 .bnr:hover {
    opacity: 0.8;
  }
  #sec4 .bnr::before {
    width: 75px;
    left: inherit;
    background-position: center;
    right: 75px;
    margin: auto 0;
    top: 0;
    bottom: 0;
  }
  #sec4 .bnr .ttl {
    font-size: 30px;
  }
  #sec4 .bg {
    height: 1120px;
  }
  #sec4 .bg img {
    object-position: center top;
  }
}

#sec5 {
  background-color: #fff;
  padding-top: 23.5vw;
  margin-top: -9.7vw;
  margin-bottom: 20vw;
}
#sec5 .en-all {
  font-size: 11.5vw;
  right: 0;
  margin-bottom: 6.2vw;
}
#sec5 .en-all span {
  font-size: 279.0697674419%;
  top: 0.1vw;
  left: 0.6vw;
}
#sec5 .jp-all {
  margin-bottom: 6.2vw;
}
#sec5 .row1 {
  margin-bottom: 13.9vw;
}
#sec5 .row1 .info dl {
  white-space: nowrap;
  border-bottom: 1px solid #e2dedc;
  padding: 13px 10px 14px 15px;
  display: flex;
}
#sec5 .row1 .info dl:first-child {
  border-top: 1px solid #e2dedc;
}
#sec5 .row1 .info dl dt {
  width: 90px;
  flex-shrink: 0;
  box-sizing: border-box;
}
#sec5 .row1 .info dl dd span {
  font-size: 71.4285714286%;
}
#sec5 #rss {
  position: relative;
  z-index: 2;
  padding: 12.8vw 11% 16vw;
  background-color: #333;
  color: #fff;
  margin-bottom: 13.6vw;
}
#sec5 #rss .tit {
  font-size: 9.6vw;
  line-height: 1.6em;
  font-weight: 500;
  font-family: var(--garamond);
  color: #fefefe;
  letter-spacing: 0.025em;
  margin-bottom: 0;
  text-align: center;
}
#sec5 #rss #feed .row dl {
  text-align: center;
}
#sec5 #rss #feed .row dl .title a {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  color: #fff;
}
#sec5 #rss .btn {
  margin-top: 6.2vw;
  text-align: center;
}
#sec5 #rss .btn a {
  box-sizing: border-box;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 400;
  font-family: var(--serif);
  text-align: center;
  width: 125px;
  height: 35px;
  border: 1px solid #fff;
  border-radius: 18px;
  padding-bottom: 4px;
}
#sec5 #rss .btn a span {
  display: inline-block;
  padding-left: 5px;
  font-size: 83.3333333333%;
}
#sec5 .row2 {
  padding-bottom: 21.3vw;
  position: relative;
  z-index: 1;
}
#sec5 .row2::before {
  content: "";
  position: absolute;
  background: #ececec;
  left: -4.4%;
  right: -4.4%;
  top: -36.7vw;
  bottom: 0;
  z-index: -1;
}
#sec5 .row2 .ttl {
  display: flex;
  margin-bottom: 2.8vw;
}
#sec5 .row2 .ttl h3 {
  font-family: var(--sans);
  font-size: 9.6vw;
  font-weight: 100;
  text-align: left;
  padding-top: 0;
  padding-bottom: 6.7vw;
  margin-bottom: 0;
  margin-right: 6%;
  letter-spacing: 0.15em;
}
#sec5 .row2 .ttl .en {
  font-family: var(--garamond);
  font-weight: 600;
  font-size: 4.8vw;
  letter-spacing: 0.025em;
  line-height: 1.6em;
  margin-bottom: 0;
  margin-top: 1.8vw;
}
#sec5 .row2 .ttl .en .txt-latin {
  letter-spacing: 0.02em;
}
#sec5 .row2 .info dl {
  border-bottom: 1px solid #d1cdcc;
  padding: 13px 10px 14px 15px;
  display: flex;
}
#sec5 .row2 .info dl:first-child {
  border-top: 1px solid #d1cdcc;
}
#sec5 .row2 .info dl dt {
  width: 102px;
  flex-shrink: 0;
  box-sizing: border-box;
}
#sec5 .row2 .info dl dd span {
  font-size: 71.4285714286%;
}
@media only screen and (min-width: 768px) {
  #sec5 {
    padding-top: 128px;
    margin-top: -449px;
    margin-bottom: 150px;
    margin-left: 43px;
    margin-right: 43px;
  }
  #sec5 .en-all {
    font-size: 72px;
    margin-bottom: 47px;
  }
  #sec5 .en-all span {
    font-size: 277.7777777778%;
    top: 4px;
    left: 4px;
  }
  #sec5 .jp-all {
    margin-bottom: 71px;
  }
  #sec5 .row1 {
    margin-bottom: 100px;
  }
  #sec5 .row1 .info {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
  }
  #sec5 .row1 .info dl {
    padding: 19px 30px;
  }
  #sec5 .row1 .info dl dt {
    width: 131px;
  }
  #sec5 .row1 .info dl dd span {
    font-size: 100%;
  }
  #sec5 #rss {
    padding: 77px 99px;
    margin-bottom: 95px;
    display: flex;
    align-items: center;
  }
  #sec5 #rss .tit {
    font-size: 60px;
    margin-right: 86px;
    text-align: left;
  }
  #sec5 #rss #feed {
    width: 340px;
  }
  #sec5 #rss #feed .row dl {
    line-height: 1.6em;
    text-align: left;
  }
  #sec5 #rss #feed .row dl .title a:hover {
    text-decoration: underline;
  }
  #sec5 #rss .btn {
    margin-top: 0;
    text-align: right;
    margin-left: 99px;
  }
  #sec5 #rss .btn a {
    font-size: 15px;
    width: 140px;
    height: 40px;
    border-radius: 20px;
    padding-bottom: 2px;
    transition: all 0.3s ease;
  }
  #sec5 #rss .btn a:hover {
    opacity: 0.7;
  }
  #sec5 #rss .btn a span {
    padding-left: 5px;
    font-size: 80%;
  }
  #sec5 .row2 {
    padding-bottom: 129px;
    display: flex;
    justify-content: center;
    width: 100%;
  }
  #sec5 .row2::before {
    left: calc(50% - 50vw + 50px);
    right: calc(50% - 50vw + 50px);
    top: -125px;
  }
  #sec5 .row2 .ttl {
    flex-direction: column;
    margin-bottom: 0;
    margin-right: 100px;
  }
  #sec5 .row2 .ttl h3 {
    font-size: 60px;
    padding-bottom: 0;
    margin-right: 0;
    margin-bottom: 27px;
  }
  #sec5 .row2 .ttl .en {
    font-size: 24px;
    margin-top: 0;
  }
  #sec5 .row2 .info {
    width: 650px;
    margin-top: 6px;
  }
  #sec5 .row2 .info dl {
    padding: 19px 34px;
  }
  #sec5 .row2 .info dl dt {
    width: 131px;
  }
  #sec5 .row2 .info dl dd span {
    font-size: 100%;
  }
}

@media screen and (min-width: 768px) and (max-width: 1260px) {
  #sec2 .row {
    margin: 0px -150px;
  }
  #sec3 .row {
    margin: 0px -150px;
  }
}