#sec8 {
  margin: 20vw 0 15vw;
}

#header .key-txt {
  position: absolute;
  width: 35vw;
  text-align: center;
  top: 25vw;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}

#sec1 {
  background: url("../img/index/s1_bg.jpg") no-repeat center/cover;
  margin: 1px 0 0;
  padding: 12vw 0 15vw;
}
#sec1 .img {
  margin: 0 7%;
}
#sec1 .right {
  padding: 7vw 0 0;
}
#sec1 .right h2 {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: end;
      -ms-flex-align: end;
          align-items: flex-end;
  margin: 0 0 0 37%;
}
#sec1 .right h2 img {
  width: 25vw;
}
#sec1 .right h2 .sub-txt {
  text-align: right;
  font-size: 3.5vw;
  line-height: 1.6;
  width: 11.2vw;
  display: block;
  padding-bottom: 2vw;
  margin-left: 2vw;
}
#sec1 .right h2 .sub-txt span {
  letter-spacing: 0.1em;
}
#sec1 .right .txt {
  margin: 10vw 0;
  letter-spacing: 0.05em;
}
#sec1 .right .sub-txt3 {
  letter-spacing: 0.05em;
}

#sec2 {
  margin: 15vw 0 0;
}
#sec2 .group-img {
  margin: 0 7%;
  text-align: right;
}
#sec2 .group-img .sub-txt {
  width: 80%;
  text-align: left;
  display: inline-block;
  letter-spacing: 0.1em;
}
#sec2 .group-img .slide {
  margin: 7vw 0 0;
  width: 75vw;
  position: relative;
}
#sec2 .group-img .slide::before {
  content: '';
  position: absolute;
  left: 5vw;
  top: -5vw;
  right: -5vw;
  bottom: 7vw;
  border: 1px solid #fff;
  z-index: 2;
}
#sec2 .group-img .slide .slick-dots {
  margin: 3vw 0 0 4px;
}
#sec2 h2 {
  margin: 0 38% 10vw;
}
#sec2 .left {
  padding: 7vw 0 0;
}
#sec2 .left .group-txt {
  margin: 20px 0 20px;
}
#sec2 .left .group-txt .txt + .txt {
  margin-top: 20px;
}
#sec2 .left .sub-txt {
  letter-spacing: 0.05em;
}

#sec3 {
  margin: 15vw 0 0;
  padding: 0 4%;
}
#sec3 .inner {
  padding: 12vw 0 15vw;
  border-top: 1px solid rgba(255, 255, 255, 0.5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}
#sec3 .slide2 {
  margin: 0 7%;
}
#sec3 .slide2 .slick-dots {
  margin: 3vw 0 0 4px;
}
#sec3 .right {
  margin: 10vw 0 0;
}
#sec3 .right h2 {
  width: 75vw;
}
#sec3 .right .sub-txt3 {
  margin: 4vw 0 8vw;
  letter-spacing: 0.1em;
}
#sec3 .right .txt {
  letter-spacing: 0.05em;
}
#sec3 .right .txt + .txt {
  margin-top: 20px;
}
#sec3 .right .sub-txt4 {
  margin: 7vw 0 0;
  letter-spacing: 0.05em;
}

#sec4 {
  margin: 15vw 0 0;
}
#sec4 h2 {
  text-align: center;
  margin: 0 10%;
}
#sec4 .sub-txt3 {
  text-align: center;
  margin: 3vw 0 10vw;
  letter-spacing: 0.1em;
}
#sec4 .set1 {
  margin: 15vw 0 0;
}
#sec4 .set1 .right {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
  padding: 0 12% 7vw;
}
#sec4 .set1 .right .img {
  width: 55vw;
}
#sec4 .set1 .right .group-title {
  margin: 5vw 0 0;
  width: 9.5vw;
}
#sec4 .set1 .right .group-title .sub-txt {
  margin: 15px auto 0;
  width: 21px;
  position: relative;
}
#sec4 .set1 .right .group-title .sub-txt span {
  letter-spacing: 0.1em;
}
#sec4 .set1 .right .group-title .sub-txt:after {
  content: '';
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  width: 1px;
  height: 25vw;
  background: #fff;
  top: 80px;
}
#sec4 .set1 .left .group-txt .txt {
  letter-spacing: 0.05em;
}
#sec4 .set1 .left .group-txt .txt + .txt {
  margin-top: 20px;
}
#sec4 .set1 .left .sub-txt {
  margin: 28px 0 0;
  letter-spacing: 0.05em;
}
#sec4 .set2 {
  margin: 15vw 0 0;
}
#sec4 .set2 .group-title {
  text-align: center;
  overflow: hidden;
  margin: 0 0 7vw;
}
#sec4 .set2 .group-title h3 {
  display: inline-block;
  position: relative;
  width: 25vw;
}
#sec4 .set2 .group-title h3::before {
  content: '';
  position: absolute;
  top: 5vw;
  right: 100%;
  height: 2px;
  width: 1000px;
  background: #fff;
  opacity: 0.5;
}
#sec4 .set2 .group-title h3::after {
  content: '';
  position: absolute;
  top: 5vw;
  left: 100%;
  height: 2px;
  width: 1000px;
  background: #fff;
  opacity: 0.5;
}
#sec4 .set2 .group-title .sub-txt {
  letter-spacing: 0.1em;
  margin: 10px 0 0;
}
#sec4 .set2 .inner .flex .img {
  margin: 0 7% 7vw;
}
#sec4 .set2 .inner .flex .group-txt .txt {
  letter-spacing: 0.05em;
}
#sec4 .set2 .inner .flex .group-txt .txt + .txt {
  margin-top: 20px;
}
#sec4 .set2 .inner .sub-txt {
  letter-spacing: 0.05em;
  text-align: justify;
  margin: 25px 0 0;
  word-break: break-all;
}
#sec4 .set2 .inner .btn-link {
  width: 290px;
	margin: 25px auto;
}
#sec4 .set2 .inner .btn-link a {
  display: block;
  text-decoration: none;
}
#sec4 .set2 .inner .btn-link a .sub-txt {
  position: relative;
  z-index: 2;
}
#sec4 .set2 .inner .btn-link a .btn-txt {
  padding: 11px 0 10px 32px;
  font-size: 18px;
  letter-spacing: 0.15em;
  line-height: 1.5;
  color: #b5b5b5;
  position: relative;
}
#sec4 .set2 .inner .btn-link a .btn-txt::before {
  content: '';
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  left: -8px;
  background: url("../img/epilogue/btn.png") no-repeat center/100% auto;
  width: 306px;
  height: 72px;
}
#sec4 .set3 {
  margin: 15vw 0 0;
}
#sec4 .set3 .inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: reverse;
      -ms-flex-direction: row-reverse;
          flex-direction: row-reverse;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
#sec4 .set3 .inner .group-title {
  padding: 5vw 0 0;
  width: 8vw;
}
#sec4 .set3 .inner .group-title .sub-txt {
  width: 21px;
  margin: 12px auto 0;
}
#sec4 .set3 .inner .group-title .sub-txt span {
  letter-spacing: 0.1em;
}
#sec4 .set3 .inner .group-txt {
  margin: 0 5vw 0 0;
  width: 79vw;
}
#sec4 .set3 .inner .group-txt .txt {
  letter-spacing: 0.05em;
}
#sec4 .set3 .inner .group-txt .txt + .txt {
  margin-top: 30px;
}
#sec4 .set3 .inner .img {
  margin: 7vw 0 0;
}
#sec4 .set3 .sub-txt4 {
  margin: 7vw 0 0 0;
  letter-spacing: 0.05em;
}
#sec4 .set4 {
  margin: 15vw 0 0;
}
#sec4 .set4 .inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
#sec4 .set4 .inner .group-title {
  width: 8vw;
  margin: 4vw 5vw 0 0;
}
#sec4 .set4 .inner .group-title .sub-txt {
  margin: 16px auto 0;
  width: 21px;
}
#sec4 .set4 .inner .group-title .sub-txt span {
  letter-spacing: 0.1em;
}
#sec4 .set4 .inner .img {
  width: 79vw;
}
#sec4 .set4 .inner .group-txt {
  margin: 7vw 0 0;
}
#sec4 .set4 .inner .group-txt .txt {
  letter-spacing: 0.05em;
  text-align: justify;
}
#sec4 .set4 .sub-txt4 {
  margin: 7vw 0 0;
  letter-spacing: 0.05em;
}

#sec5 {
  margin: 15vw 4% 0;
  padding: 12vw 7% 15vw;
  border-top: 1px solid rgba(255, 255, 255, 0.5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}
#sec5 .flex .item .txt {
  margin: 5vw 0;
  letter-spacing: 0.05em;
}
#sec5 .flex .item .sub-txt {
  letter-spacing: 0.05em;
}
#sec5 .flex .item + .item {
  margin-top: 10vw;
}

#sec6 {
  margin: 15vw 0 0;
}
#sec6 h2 {
  text-align: center;
  font-size: 6.5vw;
  letter-spacing: 0.15em;
  line-height: 1.5;
}
#sec6 .img {
  margin: 7vw 4% 0;
  text-align: center;
}
#sec6 .slide3 {
  margin: 7vw 0 0;
}
#sec6 .slide3 .item {
  margin: 0 20px;
}
#sec6 .slide3 .item .txt {
  letter-spacing: 0.05em;
  line-height: 2;
}
#sec6 .slide3 .item .txt + .txt {
  margin-top: 20px;
}

#sec7 {
  position: relative;
  margin: 17vw 0 0;
}
#sec7::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 8vw;
  height: 30vw;
  background: #303030;
}
#sec7 .bnr {
  margin: 0 15%;
  position: relative;
  z-index: 2;
}
#sec7 .bnr a::before {
  top: 4vw;
  left: 4vw;
  right: 4vw;
  bottom: 4vw;
}

@media screen and (min-width: 768px) {
  #header .key-txt {
    -webkit-transform: none;
            transform: none;
    width: auto;
    top: 255px;
    left: 0;
    right: 0;
  }

  #sec1 {
    padding: 112px 0 125px;
  }
  #sec1 .flex {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: start;
        -ms-flex-align: start;
            align-items: flex-start;
  }
  #sec1 .img {
    margin: 0;
  }
  #sec1 .right {
    width: 466px;
    padding: 37px 0 0;
  }
  #sec1 .right h2 {
    margin: 0;
  }
  #sec1 .right h2 img {
    width: auto;
  }
  #sec1 .right h2 .sub-txt {
    font-size: 16px;
    line-height: 21px;
    display: block;
    width: auto;
    padding-bottom: 10px;
    margin-left: 10px;
  }
  #sec1 .right .txt {
    margin: 75px 0 0 11px;
  }
  #sec1 .right .sub-txt3 {
    position: absolute;
    right: 0;
    top: 190px;
    width: 283px;
  }

  #sec2 {
    margin: 147px 0 0;
  }
  #sec2 .flex {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: start;
        -ms-flex-align: start;
            align-items: flex-start;
  }
  #sec2 .group-img {
    -webkit-box-ordinal-group: 4;
        -ms-flex-order: 3;
            order: 3;
    width: 400px;
    margin: 0;
  }
  #sec2 .group-img .sub-txt {
    width: auto;
  }
  #sec2 .group-img .slide {
    margin: 41px 0 0;
    width: 363px;
  }
  #sec2 .group-img .slide::before {
    left: 34px;
    top: -35px;
    right: -35px;
    bottom: 52px;
  }
  #sec2 .group-img .slide .slick-dots {
    margin: 12px 0 0 4px;
  }
  #sec2 h2 {
    -webkit-box-ordinal-group: 3;
        -ms-flex-order: 2;
            order: 2;
    padding: 158px 0 0;
    margin: 0 35px 0 23px;
  }
  #sec2 .left {
    -webkit-box-ordinal-group: 2;
        -ms-flex-order: 1;
            order: 1;
    width: 420px;
    padding: 49px 0 0;
    margin-left: -7px;
  }
  #sec2 .left .txt {
    height: 277px;
    letter-spacing: 0;
    text-align: justify;
  }
  #sec2 .left .group-txt {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin: 65px 0 62px;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
  #sec2 .left .group-txt .txt {
    height: 284px;
  }
  #sec2 .left .group-txt .txt + .txt {
    margin-top: 0;
  }
  #sec2 .left .sub-txt {
    margin: 0 0 0 10px;
  }

  #sec3 {
    margin: 113px 0 0;
    padding: 0 20px;
  }
  #sec3 .inner {
    max-width: 1178px;
    margin: 0 auto;
    padding: 119px 0 134px;
    border-top: 2px solid rgba(255, 255, 255, 0.5);
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: start;
        -ms-flex-align: start;
            align-items: flex-start;
  }
  #sec3 .slide2 {
    width: 470px;
    max-width: calc(100% - 620px);
    margin: 0;
  }
  #sec3 .slide2 .img {
    height: 320px;
  }
  #sec3 .slide2 .img + .img {
    margin-top: 24px;
  }
  #sec3 .right {
    width: 559px;
    margin: 73px 0 0 60px;
  }
  #sec3 .right h2 {
    width: auto;
  }
  #sec3 .right .sub-txt3 {
    margin: 19px 0 68px;
  }
  #sec3 .right .txt {
    text-align: justify;
  }
  #sec3 .right .txt + .txt {
    margin-top: 30px;
  }
  #sec3 .right .sub-txt4 {
    margin: 52px 0 0 10px;
  }

  #sec4 {
    margin: 129px 0 0;
  }
  #sec4 h2 {
    margin: 0;
  }
  #sec4 .sub-txt3 {
    margin: 19px 0 93px;
  }

  #sec4 .set1 {
    margin: 78px 0 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: start;
        -ms-flex-align: start;
            align-items: flex-start;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
  }
  #sec4 .set1 .right {
    width: 314px;
    padding: 0;
  }
  #sec4 .set1 .right .img {
    width: auto;
  }
  #sec4 .set1 .right .group-title {
    margin: 27px 0 0;
    width: 46px;
  }
  #sec4 .set1 .right .group-title .sub-txt {
    margin: 16px auto 0;
  }
  #sec4 .set1 .right .group-title .sub-txt:after {
    height: 153px;
    top: 102px;
  }
  #sec4 .set1 .left {
    width: 660px;
    margin-left: -4px;
  }
  #sec4 .set1 .left .group-txt {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    height: 300px;
    text-align: justify;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
  #sec4 .set1 .left .group-txt .txt + .txt {
    margin-top: 0;
  }
  #sec4 .set1 .left .sub-txt {
    margin: 28px 0 0 18px;
  }
  #sec4 .set2 {
    margin: 78px 0 0;
  }
  #sec4 .set2 .group-title {
    margin: 0 0 57px;
  }
  #sec4 .set2 .group-title h3 {
    width: auto;
  }
  #sec4 .set2 .group-title h3::before {
    top: 25px;
  }
  #sec4 .set2 .group-title h3::after {
    top: 25px;
  }
  #sec4 .set2 .inner {
    padding: 0 64px 0 33px;
  }
  #sec4 .set2 .inner .flex {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: start;
        -ms-flex-align: start;
            align-items: flex-start;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
  }
  #sec4 .set2 .inner .flex .img {
    margin: 0;
  }
  #sec4 .set2 .inner .flex .group-txt {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    height: 300px;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
    text-align: justify;
  }
  #sec4 .set2 .inner .flex .group-txt .txt + .txt {
    margin-right: 30px;
    margin-top: 0;
  }
  #sec4 .set2 .inner .sub-txt {
    margin: 33px 0 0;
  }
  #sec4 .set3 {
    margin: 83px 65px 0 24px;
  }
  #sec4 .set3 .inner {
    -ms-flex-wrap: nowrap;
        flex-wrap: nowrap;
  }
  #sec4 .set3 .inner .group-title {
    padding: 28px 0 0;
    width: 37px;
  }
  #sec4 .set3 .inner .group-txt {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
    height: 304px;
    margin: 2px 30px 0 40px;
    width: auto;
  }
  #sec4 .set3 .inner .group-txt .txt {
    letter-spacing: 0.05em;
  }
  #sec4 .set3 .inner .group-txt .txt + .txt {
    margin-right: 30px;
    margin-top: 0;
  }
  #sec4 .set3 .inner .img {
    margin: 0;
  }
  #sec4 .set3 .sub-txt4 {
    margin: 40px 28px 0 0;
  }
  #sec4 .set4 {
    margin: 95px 77px 0 35px;
  }
  #sec4 .set4 .inner {
    -ms-flex-wrap: nowrap;
        flex-wrap: nowrap;
  }
  #sec4 .set4 .inner .group-title {
    -webkit-box-ordinal-group: 3;
        -ms-flex-order: 2;
            order: 2;
    width: 32px;
    margin: 21px 45px 0 33px;
  }
  #sec4 .set4 .inner .img {
    -webkit-box-ordinal-group: 4;
        -ms-flex-order: 3;
            order: 3;
    width: auto;
  }
  #sec4 .set4 .inner .group-txt {
    -webkit-box-ordinal-group: 2;
        -ms-flex-order: 1;
            order: 1;
    width: 360px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    height: 302px;
    margin: -5px 0 0 -3px;
  }
  #sec4 .set4 .sub-txt4 {
    margin: 42px 0 0 5px;
  }

  #sec5 {
    margin: 127px auto 0;
    max-width: 1178px;
    padding: 112px 0 144px;
    border-top: 2px solid rgba(255, 255, 255, 0.5);
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
  }
  #sec5 .flex {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 20px;
  }
  #sec5 .flex .item {
    width: calc((100% - 40px)/3);
  }
  #sec5 .flex .item .txt {
    margin: 44px 0 28px;
  }
  #sec5 .flex .item .sub-txt {
    margin: 0 0 0 5px;
  }
  #sec5 .flex .item + .item {
    margin-top: 0;
  }

  #sec6 {
    margin: 103px 0 0;
  }
  #sec6 h2 {
    font-size: 34px;
  }
  #sec6 .img {
    margin: 67px auto 0;
  }
  #sec6 .slide3 {
    margin: 69px 0 0;
  }
  #sec6 .slide3 .item {
    margin: 0 40px;
  }
  #sec6 .slide3 .item .txt + .txt {
    margin-top: 30px;
  }

  #sec7 {
    margin: 173px 0 0;
  }
  #sec7::before {
    top: 68px;
    height: 208px;
  }
  #sec7 .bnr {
    margin: 0 auto;
    width: 542px;
  }
  #sec7 .bnr a::before {
    top: 28px;
    left: 23px;
    right: 32px;
    bottom: 21px;
  }

  #sec8 {
    margin: 152px 0 60px;
  }
}