#header #key {
  background: url(../img/course/key.jpg) no-repeat center top/cover;
}
#sec1 {
  padding: 15vw 0;
}
#sec1 .gr-txt {
  margin-bottom: 15vw;
}
#sec1 .gr-txt h2 {
  font-size: 6vw;
  line-height: 2;
  margin-bottom: 8vw;
}
#sec1 .gr-txt .btn-link {
  margin-top: 10vw;
}
#sec2 .set1 .box {
  margin: 0 5%;
}
#sec2 .set1 .box .inner {
  background: url(../img/course/sec2_bg1.png);
  padding: 10vw 5% 10vw;
}
#sec2 .set1 .box h3 {
  font-size: 3.5vw;
  letter-spacing: 0.09em;
  text-align: center;
  color: #a3a9ac;
}
#sec2 .set1 .box .price-box {
  text-align: center;
  margin: 5vw 0 6vw;
}
#sec2 .set1 .box .price-box dt {
  font-size: 4vw;
  letter-spacing: 0.3em;
  margin-bottom: 2vw;
}
#sec2 .set1 .box .price-box dd {
  font-size: 5.5vw;
  letter-spacing: 0.3em;
}
#sec2 .set1 .box .price-box dd span {
  font-size: 4.5vw;
  letter-spacing: 0.3em;
}
#sec2 .set1 .box h4 {
  font-size: 15px;
  letter-spacing: 0.2em;
  margin: 6vw 0 4vw;
  text-align: center;
}
#sec2 .set1 .box-parallax {
  height: 90vw;
}
#sec2 .set2 {
  padding: 15vw 0 23vw;
  background: url(../img/shared/bg2.jpg);
  position: relative;
}
#sec2 .set2::before {
  content: "";
  background: url(../img/course/sec2_deco.png) no-repeat right bottom/100% auto;
  position: absolute;
  top: 0;
  right: -20vw;
  bottom: 4vw;
  left: 40%;
}
#sec2 .set2 .note {
  line-height: 25px;
  margin-bottom: 10vw;
}
#sec2 .set2 .item1 .box {
  background: rgba(255, 255, 255, 0.7);
  padding: 15vw 6% 17vw;
}
#sec2 .set2 .item1 .box .price-box {
  text-align: center;
}
#sec2 .set2 .item1 .box .price-box dt {
  font-size: 3.7vw;
  letter-spacing: 0.3em;
  margin-bottom: 1vw;
}
#sec2 .set2 .item1 .box .price-box dd {
  font-size: 5.5vw;
  letter-spacing: 0.3em;
}
#sec2 .set2 .item1 .box .price-box dd span {
  font-size: 5vw;
  letter-spacing: 0.3em;
}
#sec2 .set2 .item1 .box h4 {
  font-size: 15px;
  letter-spacing: 0.2em;
  margin: 9vw 0 6vw;
  text-align: center;
}
#sec2 .set2 .item1 .box .btn-link {
  margin-top: 10vw;
}
#sec2 .set2 .item1 .box .btn-link a {
  letter-spacing: 0.1em;
}
#sec2 .set2 .item1 .box .btn-link a::after {
  right: 12px;
}
#sec2 .set2 .item1 .right {
  margin-top: 12vw;
  padding: 29vw 6% 13vw;
  position: relative;
}
#sec2 .set2 .item1 .right .sub {
  font-size: 15px;
  letter-spacing: 0.3em;
  color: #fff;
  background: #414141;
  text-align: center;
  padding: 5px 15px;
  position: absolute;
  top: 9vw;
  right: 0;
}
#sec2 .set2 .item2 {
  margin-top: 13vw;
  position: relative;
  z-index: 1;
}
#sec2 .set2 .item2 h3 {
  font-size: 6vw;
  letter-spacing: 0.3em;
  padding-bottom: 4vw;
  margin-bottom: 6vw;
  text-align: center;
  border-bottom: 1px solid #2a2a2a;
}
#sec2 .set2 .item2 .list li {
  padding-left: 18px;
  position: relative;
}
#sec2 .set2 .item2 .list li::before {
  content: "・";
  position: absolute;
  top: 0;
  left: 0;
}
#sec3 .set1 {
  position: relative;
}
#sec3 .set1 .box-parallax {
  height: 70vw;
}
#sec3 .set1 h2 {
  font-size: 5.5vw;
  line-height: 1.8;
  letter-spacing: 0.2em;
  color: #fff;
  display: inline-block;
  white-space: nowrap;
  position: absolute;
  top: 10vw;
  right: 5%;
}
#sec3 .set1 h2::before {
  content: "";
  border-left: 1px solid #fff;
  height: 10vw;
  position: absolute;
  top: calc(100% + 2vw);
  left: 24%;
}
#sec3 .set2 {
  padding: 17vw 0;
}
#sec3 .set2 .content .gr-txt {
  margin-top: 10vw;
}
#sec3 .set2 .content .gr-txt h2 {
  position: relative;
  padding-bottom: 3vw;
  margin-bottom: 5vw;
}
#sec3 .set2 .content .gr-txt h2::before {
  content: "";
  border-top: 1px solid #8e8e8e;
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
}
#sec3 .set2 .content .gr-txt h2 .ttl-eng {
  font-size: 3.5vw;
  margin-bottom: 5vw;
}
#sec3 .set3 {
  position: relative;
  padding: 18vw 0;
}
#sec3 .set3::before {
  content: "";
  background: url(../img/course/sec3_bg.png);
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: -1;
}
#sec3 .set3 .js {
  position: relative;
}
#sec3 .set3 .js .slider-counter {
  position: absolute;
  left: 17%;
  bottom: 0;
}
#sec3 .set3 .js .slider-counter .current {
  color: #b0b0b0;
}
#sec3 .set3 .js .slider-counter .total {
  color: #fff;
}
#sec3 .set3 .js .slick-arrow {
  bottom: 4vw;
  width: 35px;
}
#sec3 .set3 .js .slick-arrow.slick-prev {
  left: 3%;
}
#sec3 .set3 .js .slick-arrow.slick-next {
  right: auto;
  left: 34%;
}
#sec3 .set3 .gr-txt {
  margin-top: 10vw;
}
#sec3 .set3 .gr-txt h2 {
  position: relative;
  padding-bottom: 3vw;
  margin-bottom: 5vw;
}
#sec3 .set3 .gr-txt h2::before {
  content: "";
  border-top: 1px solid #8e8e8e;
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
}
#sec3 .set3 .gr-txt h2 .ttl-eng {
  font-size: 3.5vw;
  margin-bottom: 5vw;
}
#sec4 {
  padding: 18vw 0 0;
  position: relative;
}
#sec4::before {
  content: "";
  background: url(../img/course/sec4_deco.png) no-repeat left top/100% auto;
  position: absolute;
  top: 2vw;
  left: -10vw;
  right: 10%;
  bottom: 0;
  z-index: -1;
}
#sec4 .content .gr-txt {
  margin-top: 10vw;
}
#sec4 .content .gr-txt h2 {
  margin-bottom: 8vw;
}
#sec4 .content .gr-txt h2 .ttl-eng {
  margin-bottom: 5vw;
}
#sec5 {
  padding: 18vw 0 20vw;
  position: relative;
  color: #fff;
}
#sec5::before {
  content: "";
  background: url(../img/course/sec5_bg.png) no-repeat center bottom/350% auto;
  position: absolute;
  top: -30vw;
  right: 0;
  bottom: -1px;
  left: 0;
  z-index: -1;
}
#sec5 .content .gr-txt {
  margin-top: 10vw;
}
#sec5 .content .gr-txt h2 {
  margin-bottom: 8vw;
}
#sec5 .content .gr-txt h2 .ttl-eng {
  color: #d9e1e4;
  margin-bottom: 5vw;
}
@media screen and (min-width: 768px) {
  #sec1 {
    padding: 50px 0;
    color: #fff;
  }
  #sec1 .group {
    background: url(../img/course/sec1_bg.jpg) no-repeat center top/cover;
    margin: 0 50px;
    padding: 95px 0 126px;
  }
  #sec1 .wrap {
    max-width: 100%;
  }
  #sec1 .gr-txt {
    margin: 0 144px 0 auto;
    width: 408px;
  }
  #sec1 .gr-txt h2 {
    font-size: 30px;
    line-height: 66px;
    letter-spacing: 0.3em;
    margin-bottom: 79px;
  }
  #sec1 .gr-txt .txt {
    text-align: justify;
  }
  #sec1 .gr-txt .btn-link {
    margin-top: 58px;
    width: 369px;
  }
  #sec1 .gr-txt .btn-link a {
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  }
  #sec1 .gr-txt .btn-link a::before {
    background: #fff;
  }
  #sec1 .gr-txt .btn-link a::after {
    background: url(../img/shared/icon_arr1.png) no-repeat 0 0/100% auto;
  }
  #sec2 .set1 {
    position: relative;
  }
  #sec2 .set1 .box {
    width: 524px;
    margin: 0;
    position: absolute;
    top: 113px;
    left: 50px;
    z-index: 2;
  }
  #sec2 .set1 .box .inner {
    padding: 46px 30px 57px;
  }
  #sec2 .set1 .box h3 {
    font-size: 15px;
  }
  #sec2 .set1 .box .price-box {
    margin: 13px 0 26px;
  }
  #sec2 .set1 .box .price-box dt {
    font-size: 20px;
    margin-bottom: 6px;
    letter-spacing: 0.2em;
  }
  #sec2 .set1 .box .price-box dd {
    font-size: 30px;
    letter-spacing: 0.2em;
  }
  #sec2 .set1 .box .price-box dd span {
    font-size: 26px;
  }
  #sec2 .set1 .box .txt {
    line-height: 30px;
  }
  #sec2 .set1 .box h4 {
    font-size: 17px;
    margin: 30px 0 16px;
  }
  #sec2 .set1 .box .list {
    display: flex;
    margin-left: 44px;
  }
  #sec2 .set1 .box .list  li  {
   text-indent: -20px;
        padding-left: 20px;
  }
  #sec2 .set1 .box .list .col {
    width: 177px;
    line-height: 30px;
  }
  #sec2 .set1 .box .list .col-r {
    flex: 1;
    margin-left: 20px;
  }
  #sec2 .set1 .box-parallax {
    height: 878px;
  }
  #sec2 .set2 {
    padding: 92px 0 138px;
  }
  #sec2 .set2::before {
    background: url(../img/course/sec2_deco.png) no-repeat;
    width: 770px;
    height: 789px;
    top: auto;
    right: auto;
    bottom: 26px;
    left: calc(50% + 184px);
  }
  #sec2 .set2 .wrap {
    max-width: 1240px;
    padding: 0 20px;
  }
  #sec2 .set2 .note {
    line-height: 30px;
    margin-bottom: 68px;
  }
  #sec2 .set2 .item1 {
    display: flex;
    justify-content: space-between;
  }
  #sec2 .set2 .item1 .box {
    width: 46%;
    padding: 99px 71px 95px;
  }
  #sec2 .set2 .item1 .box .price-box dt {
    font-size: 20px;
    letter-spacing: 0.2em;
    margin-bottom: 3px;
  }
  #sec2 .set2 .item1 .box .price-box dd {
    font-size: 25px;
    letter-spacing: 0.2em;
  }
  #sec2 .set2 .item1 .box .price-box dd span {
    font-size: 24px;
    letter-spacing: 0.2em;
  }
  #sec2 .set2 .item1 .box h4 {
    font-size: 17px;
    margin: 40px 0 25px;
  }
  #sec2 .set2 .item1 .box .list {
    display: flex;
    line-height: 30px;
    margin-left: 12px;
  }
  #sec2 .set2 .item1 .box .list .col-l {
    width: 48%;
  }
  #sec2 .set2 .item1 .box .list .col-r {
    flex: 1;
    margin: 0 -25px 0 20px;
  }
  #sec2 .set2 .item1 .box .btn-link {
    margin-top: 69px;
    width: 100%;
  }
  #sec2 .set2 .item1 .box .btn-link a {
    letter-spacing: 0.2em;
  }
  #sec2 .set2 .item1 .box .btn-link a::after {
    right: 31px;
  }
  #sec2 .set2 .item1 .right {
    margin-top: 0;
    padding: 99px 30px 40px;
  }
  #sec2 .set2 .item1 .right .sub {
    font-size: 16px;
    padding: 1px 16px;
    top: 34px;
  }
  #sec2 .set2 .item1 .right .list {
    margin-left: 45px;
  }
  #sec2 .set2 .item1 .right .list .col-l {
    width: 45%;
  }
  #sec2 .set2 .item1 .right .list .col-r {
    margin-right: 0;
  }
   #sec2 .set2 .item1 .list li
  {
      
       text-indent: -20px;
        padding-left: 20px;
  }
  
  
  #sec2 .set2 .item2 {
    margin: 81px auto 0;
    width: 642px;
  }
  #sec2 .set2 .item2 h3 {
    font-size: 30px;
    padding-bottom: 12px;
    margin-bottom: 25px;
  }
  #sec2 .set2 .item2 .list {
    margin-left: 12px;
  }
 
  #sec3 .set1 .box-parallax {
    height: 636px;
  }
  #sec3 .set1 h2 {
    font-size: 30px;
    line-height: 40px;
    top: 100px;
    right: calc(50% - 507px);
    letter-spacing: 0.3em;
  }
  #sec3 .set1 h2::before {
    height: 72px;
    top: calc(100% + 12px);
    left: 20px;
  }
  #sec3 .set2 {
    padding: 117px 0 112px;
  }
  #sec3 .set2 .wrap {
    max-width: 1216px;
    padding: 0 20px;
  }
  #sec3 .set2 .content {
    display: flex;
    align-items: flex-start;
  }
  #sec3 .set2 .content .photo {
    flex: 1;
    margin-left: 38px;
    height: 508px;
  }
  #sec3 .set2 .content .gr-txt {
    margin-top: 54px;
    padding: 0 20px 0 86px;
    width: 501px;
  }
  #sec3 .set2 .content .gr-txt h2 {
    padding-bottom: 18px;
    margin-bottom: 17px;
  }
  #sec3 .set2 .content .gr-txt h2::before {
    left: -86px;
  }
  #sec3 .set2 .content .gr-txt h2 .ttl-eng {
    font-size: 15px;
    margin-bottom: 26px;
  }
  #sec3 .set2 .content .gr-txt h2 .ttl-jp {
    letter-spacing: 0.2em;
  }
  #sec3 .set3 {
    padding: 100px 0 106px;
  }
  #sec3 .set3::before {
    left: calc(50% - 650px);
  }
  #sec3 .set3 .js {
    position: absolute;
    top: 0;
    left: 463px;
    right: -100px;
  }
  #sec3 .set3 .js .slider-counter {
    left: 111px;
    bottom: 1px;
  }
  #sec3 .set3 .js .slick-arrow {
    bottom: 22px;
    width: 60px;
  }
  #sec3 .set3 .js .slick-arrow.slick-prev {
    left: 15px;
  }
  #sec3 .set3 .js .slick-arrow.slick-next {
    right: auto;
    left: 204px;
  }
  #sec3 .set3 .js .sl {
    height: 508px;
  }
  #sec3 .set3 .gr-txt {
    margin-top: 0;
    padding: 25px 50px 0 0;
    width: 463px;
    min-height: 508px;
  }
  #sec3 .set3 .gr-txt h2 {
    padding-bottom: 15px;
    margin-bottom: 16px;
  }
  #sec3 .set3 .gr-txt h2::before {
    right: -50px;
  }
  #sec3 .set3 .gr-txt h2 .ttl-eng {
    font-size: 15px;
    margin-bottom: 25px;
  }
  #sec4 {
    padding: 98px 0 0;
  }
  #sec4::before {
    background: url(../img/course/sec4_deco.png) no-repeat;
    width: 737px;
    height: 760px;
    top: 21px;
    left: auto;
    right: calc(50% + 172px);
    bottom: auto;
  }
  #sec4 .wrap {
    max-width: 1324px;
    padding: 0 20px;
  }
  #sec4 .content {
    display: flex;
    align-items: flex-start;
  }
  #sec4 .content .photo {
    flex: 1;
    height: 510px;
    margin-left: -56px;
  }
}
@media screen and (min-width: 768px) and (max-width: 1399px) {
  #sec4 .content .photo {
    margin-left: calc(-50vw + 50%);
  }
}
@media screen and (min-width: 768px) {
  #sec4 .content .gr-txt {
    margin: 63px 0 0 101px;
    width: 434px;
  }
  #sec4 .content .gr-txt h2 {
    margin-bottom: 61px;
  }
  #sec4 .content .gr-txt h2 .ttl-eng {
    margin-bottom: 25px;
  }
  #sec4 .content .gr-txt h2 .ttl-jp {
    margin-left: -5px;
    letter-spacing: 0.17em;
  }
}
@media screen and (min-width: 768px) {
  #sec5 {
    padding: 150px 0 144px;
  }
  #sec5::before {
    background: url(../img/course/sec5_bg.png) no-repeat center bottom/cover;
    top: -356px;
  }
  #sec5 .wrap {
    max-width: 1210px;
    padding: 0 20px;
  }
  #sec5 .content {
    display: flex;
    align-items: flex-start;
    flex-direction: row-reverse;
  }
  #sec5 .content .photo {
    height: 457px;
    flex: 1;
    margin-right: -16px;
  }
  #sec5 .content .gr-txt {
    width: 398px;
    margin: -12px 139px 0 0;
  }
  #sec5 .content .gr-txt h2 {
    margin-bottom: 58px;
  }
  #sec5 .content .gr-txt h2 .ttl-eng {
    margin-bottom: 24px;
  }
  #sec5 .content .gr-txt h2 .ttl-jp {
    margin-left: -5px;
    letter-spacing: 0.15em;
  }
  #sec5 .content .gr-txt .btn-link {
    width: 374px;
    margin: 47px 0 0;
  }
}
@media screen and (max-width: 1399px) and (min-width: 768px) {
  #sec1 .gr-txt {
    margin-right: 40px;
  }
}
@media screen and (max-width: 1260px) and (min-width: 768px) {
  #sec2 .set2 .item1 .box {
    width: 48%;
  }
}
@media screen and (max-width: 1199px) and (min-width: 768px) {
  #sec2 .set2 .item1 .box .btn-link a {
    letter-spacing: 0.05em;
  }
  #sec2 .set2 .item1 .box .btn-link a::after {
    right: 20px;
  }
  #sec2 .set2 .item1 .box {
    padding: 99px 40px 95px;
  }
  #sec2 .set2 .item1 .box .list .col-l {
    width: 46%;
  }
  #sec2 .set2 .item1 .right .list {
    margin-left: 0;
  }
  #sec2 .set2 .item1 .right .list .col-l {
    width: 44%;
  }
}
@media screen and (max-height: 720px) and (min-width: 768px) {
  #sec2 .set1 .box {
    top: 90px !important;
  }
  #sec2 .set1 .box h4 {
    margin-top: 13px;
  }
}