#key {
  background-image: url("../img/course/key.jpg");
}

#sec1 {
  position: relative;
  z-index: 0;
  margin-top: 2.6666666666666665vw;
  padding: 20vw 0;
}

#sec1:before {
  content: "";
  background: #231e1a;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: -1px;
  z-index: -1;
}

#sec1:after {
  content: "";
  width: 30vw;
  height: 66vw;
  background-image: url("../img/course/sec1_deco.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  right: 2vw;
  top: 96vw;
}

#sec1 h2 {
  margin: -14vw auto 10vw;
  white-space: nowrap;
  position: relative;
  z-index: 1;
  border: 1px solid;
  padding: 5vw 3vw;
  line-height: 12vw;
}

#sec1 h2 span span {
  font-size: 10vw;
  letter-spacing: 0.15em;
}

#sec1 .img img {
  height: 67vw;
}

#sec1 .col-text h3 {
  margin-bottom: 6vw;
}

@media screen and (min-width: 768px) {
  #sec1 {
    margin-top: 10px;
    padding: 156px 0 110px;
  }
  #sec1:after {
    width: 194px;
    height: 370px;
    right: calc(50% - 707px);
    top: 988px;
  }
  #sec1 .img {
    width: 1200px;
    margin: 0 -100px;
  }
  #sec1 .img img {
    height: auto;
  }
  #sec1 h2 {
    margin: -126px 0 0 -11px;
    padding: 45px 28px 37px 32px;
    line-height: 70px;
  }
  #sec1 h2 span span {
    font-size: 60px;
  }
  #sec1 .col-text {
    width: 728px;
    margin-top: 69px;
  }
  #sec1 .col-text h3 {
    margin-bottom: 29px;
  }
  #sec1 .col-text .txt {
    margin: 0 -15px 0 59px;
  }
}

#sec2 {
  position: relative;
  z-index: 1;
  background: url("../img/course/sec2_bg_top.jpg") no-repeat center top/100%,
    url("../img/course/sec2_deco.jpg") no-repeat center bottom/150%, #2d2824;
  padding: 20vw 0;
}

#sec2 h2 {
  background: url("../img/shared/icon_flower_white.png") no-repeat center
    top/5vw;
  padding: 8vw 0 0;
}

#sec2 .scroll-content {
  max-width: none !important;
  width: 100% !important;
  height: 89vh;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

#sec2 .scroll-content .inner {
  width: max-content;
  display: flex;
  flex-wrap: nowrap;
  padding: 0;
}

#sec2 .scroll-content .inner .panel {
  flex-shrink: 0;
  display: flex;
  align-items: flex-end;
  padding: 0 10vw 0 0;
}

#sec2 .scroll-content .col-text {
  width: 90vw;
  margin-right: 8vw;
}

#sec2 .scroll-content .col-text .point {
  width: 33vw;
  margin: 0 5vw 2vw auto;
}

#sec2 .scroll-content .col-text h3 {
  margin-bottom: 6vw;
}

#sec2 .scroll-content .img {
  width: 100vw;
}

#sec2 .btn-group li {
  width: 44vw;
  height: 44vw;
}

#sec2 .btn-group li a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  text-align: center;
  background: #d9d2cd;
  color: #231e1a;
  font-size: 4.8vw;
  letter-spacing: 0.06em;
  line-height: 8vw;
  position: relative;
  padding-bottom: 3vw;
}

#sec2 .btn-group li a:after {
  content: "";
  width: 0px;
  height: 0px;
  border-style: solid;
  border-width: 2.5vw 1.5vw 0 1.5vw;
  border-color: #231e1a transparent transparent transparent;
  transform: rotate(0deg) translateX(-50%);
  position: absolute;
  bottom: 5vw;
  left: 50%;
}

#sec2 .btn-group li a small {
  font-size: 3vw;
  letter-spacing: 0.06em;
  line-height: 6vw;
}

@media screen and (min-width: 768px) {
  #sec2 {
    background: url("../img/course/sec2_bg_top.jpg") no-repeat center top/100%,
      url("../img/course/sec2_deco.jpg") no-repeat center bottom/100%, #2d2824;
    padding: 130px 0 115px;
  }
  #sec2 .wrap {
    max-width: 1200px;
    width: 90%;
  }
  #sec2 h2 {
    line-height: 74px;
    background-size: auto;
    padding: 47px 0 0px 12px;
  }
  #sec2 .scroll-content {
    height: calc(100vh - 40px);
  }
  #sec2 .scroll-content .inner {
    padding: 0 100px 0 0;
    margin-left: 0;
  }
  #sec2 .scroll-content .inner .panel {
    padding: 0 150px 0 0;
  }
  #sec2 .scroll-content .col-text {
    width: 438px;
    margin-right: 51px;
  }
  #sec2 .scroll-content .col-text .point {
    width: 210px;
    margin: 0px 0 10px auto;
  }
  #sec2 .scroll-content .col-text h3 {
    margin-bottom: 45px;
  }
  #sec2 .scroll-content .img {
    width: 730px;
  }
  #sec2 .btn-group {
    justify-content: center;
    margin-top: 20px;
  }
  #sec2 .btn-group li {
    width: 305px;
    height: 305px;
  }
  #sec2 .btn-group li a {
    font-size: 23px;
    line-height: 40px;
    padding-bottom: 16px;
  }
  #sec2 .btn-group li a:before {
    content: "";
    border: 1px solid #d9d2cd;
    border-radius: 50%;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    transition: 0.3s all ease-in-out;
  }
  #sec2 .btn-group li a:after {
    border-width: 11px 6px 0 6px;
    bottom: 50px;
  }
  #sec2 .btn-group li a small {
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 14px;
  }
  #sec2 .btn-group li a:hover:before {
    left: -7px;
    right: -7px;
    top: -7px;
    bottom: -7px;
  }
  #sec2 .btn-group li + li {
    margin-left: 115px;
  }
}

@media screen and (min-width: 1600px) {
  #sec2 .scroll-content .inner {
    padding-right: 300px;
  }
}

@media screen and (min-width: 768px) and (max-height: 700px) {
  #sec2 .scroll-content .col-text {
    padding-bottom: 20px;
  }
}

@media screen and (min-width: 768px) and (max-height: 650px) {
  #sec2 .scroll-content .col-text {
    padding-bottom: 50px;
  }
  #sec2 .scroll-content .col-text .point {
    margin-bottom: -10px;
  }
  #sec2 .scroll-content .col-text h3 {
    margin-bottom: 15px;
  }
}

#sec3 {
  padding: 20vw 0;
  position: relative;
}

#sec3:before {
  content: "";
  width: 20vw;
  height: 20vw;
  background-image: url("../img/course/sec3_deco1.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  left: 6vw;
  top: 5vw;
}

#sec3 .wrap:before {
  content: "";
  width: 7vw;
  height: 8vw;
  background-image: url("../img/course/sec3_deco2.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  left: 4vw;
  top: 128vw;
}

#sec3 .wrap:after {
  content: "";
  width: 4vw;
  height: 10vw;
  background-image: url("../img/course/sec3_deco3.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  right: 4vw;
  top: 226vw;
}

#sec3 .eng-ttl {
  line-height: 14vw;
  margin-bottom: 6vw;
}

#sec3 h3 {
  margin: 0 auto 10vw;
  white-space: nowrap;
  border: 1px solid;
  padding: 5vw;
}

#sec3 h3 span {
  font-size: 10vw;
}

#sec3 .img-group p {
  width: 70vw;
  margin: 0 auto 6vw;
}

#sec3 .img-group .img2 {
  margin-bottom: 8vw;
}

#sec3 .note {
  margin-bottom: 10vw;
}

#sec3 .box-course {
  background: #d9d2cd;
  padding: 8vw;
  margin-bottom: 8vw;
}

#sec3 .box-course dl {
  border-bottom: 1px solid #7b6967;
  padding-bottom: 4vw;
  margin-bottom: 5vw;
  text-align: center;
}

#sec3 .box-course dl dt {
  font-size: 5.8vw;
  letter-spacing: 0.15em;
  line-height: 8vw;
  margin-bottom: 3vw;
}

#sec3 .box-course dl dd {
  font-size: 5vw;
  letter-spacing: 0.15em;
  line-height: 8vw;
}

#sec3 .box-course dl dd small {
  font-size: 3.4vw;
}
#sec3 .box-course dl h4 {
  background-color: #000;
  color: #fff;
  margin: 0 10vw 3vw;
}
@media screen and (min-width: 768px) {
  #sec3 {
    padding: 122px 0 41px;
  }
  #sec3:before {
    width: 116px;
    height: 125px;
    left: calc(50% + 22px);
    top: 83px;
  }
  #sec3 .wrap:before {
    width: 41px;
    height: 50px;
    left: 28px;
    top: 914px;
  }
  #sec3 .wrap:after {
    width: 21px;
    height: 54px;
    right: auto;
    top: 1284px;
    left: -174px;
  }
  #sec3 .eng-ttl {
    text-align: right;
    line-height: 111px;
    margin: 0 -103px -146px 0;
  }
  #sec3 h3 {
    width: 136px;
    height: 274px;
    margin: 0;
    padding: 41px 33px 0;
    position: absolute;
    top: 164px;
    left: calc(50% - 68px);
    z-index: 1;
  }
  #sec3 h3 span {
    font-size: 65px;
    margin-bottom: 4px;
  }
  #sec3 .img-group {
    margin: 0 -160px 96px;
  }
  #sec3 .img-group p {
    width: 512px;
    margin: 0;
  }
  #sec3 .img-group .img2 {
    margin: 150px 0 0;
  }
  #sec3 .note {
    margin-bottom: 0;
    position: absolute;
    top: 485px;
    left: calc(50% - 44px);
    z-index: 1;
  }
  #sec3 .box-course {
    padding: 45px 83px;
    margin: 0 -80px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  #sec3 .box-course dl {
    width: 465px;
    min-height: 240px;
    border-right: 1px solid #7b6967;
    border-bottom: none;
    padding: 4px 30px 0px 14px;
    margin-bottom: 0;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  #sec3 .box-course dl dt {
    font-size: 35px;
    line-height: 60px;
    margin-bottom: 22px;
  }
  #sec3 .box-course dl dd {
    font-size: 30px;
    line-height: 40px;
  }
  #sec3 .box-course dl dd small {
    font-size: 20px;
  }
  #sec3 .box-course dl h4 {
    margin: 0 180px 10px 0px;
    text-align: center;
  }
  #sec3 .box-course .col-list {
    display: flex;
    justify-content: flex-end;
  }
  #sec3 .box-course .col-list ul:first-child {
    width: 210px;
  }
  #sec3 .box2 dl {
    padding-bottom: 11px;
  }
}

@media screen and (min-width: 768px) and (max-width: 1320px) {
  #sec3 .eng-ttl {
    margin-right: calc(-50vw + 54%);
  }
}

#sec4 {
  position: relative;
  padding-bottom: 15vw;
}

#sec4:before {
  content: "";
  width: 40vw;
  height: 40vw;
  background-image: url("../img/course/sec4_deco1.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  left: 4vw;
  top: -24vw;
}

#sec4:after {
  content: "";
  width: 20vw;
  height: 20vw;
  background-image: url("../img/course/sec4_deco2.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  left: 10vw;
  top: 80vw;
}

#sec4 .wrap:before {
  content: "";
  width: 24vw;
  height: 17vw;
  background-image: url("../img/course/sec4_deco3.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  left: 2vw;
  bottom: -20vw;
}

#sec4 .eng-ttl {
  line-height: 14vw;
  margin-bottom: 8vw;
}

#sec4 .blk {
  margin-bottom: 10vw;
}

#sec4 .blk h3 {
  margin: 0 auto 8vw;
  white-space: nowrap;
}

#sec4 .box-course {
  background: url("../img/shared/bg2.jpg");
  padding: 8vw;
  margin-bottom: 5vw;
}

#sec4 .box-course dl {
  border-bottom: 1px solid #7b6967;
  padding-bottom: 4vw;
  margin-bottom: 5vw;
  text-align: center;
}

#sec4 .box-course dl dt {
  font-size: 5.8vw;
  letter-spacing: 0.15em;
  line-height: 8vw;
  margin-bottom: 3vw;
}

#sec4 .box-course dl dd {
  font-size: 5vw;
  letter-spacing: 0.15em;
  line-height: 8vw;
}

#sec4 .box-course dl dd small {
  font-size: 3.4vw;
}

#sec4 .note {
  margin-bottom: 8vw;
}

#sec4 .btn-popup {
  margin-bottom: 5vw;
}

@media screen and (min-width: 768px) {
  #sec4 {
    padding: 161px 0 62px;
  }
  #sec4:before {
    width: 302px;
    height: 181px;
    left: calc(50% - 270px);
    top: 0;
  }
  #sec4:after {
    width: 136px;
    height: 69px;
    left: calc(50% - 635px);
    top: 881px;
  }
  #sec4 .wrap:before {
    width: 189px;
    height: 121px;
    left: 16px;
    bottom: 250px;
  }
  #sec4 .eng-ttl {
    text-align: left;
    line-height: 111px;
    margin: 0 0 -94px -104px;
    position: relative;
    z-index: 1;
  }
  #sec4 .blk {
    margin-bottom: 56px;
  }
  #sec4 .blk h3 {
    line-height: 75px;
    margin: 198px 0 0 28px;
  }
  #sec4 .blk .img {
    width: 880px;
    margin-right: -170px;
  }
  #sec4 .box-course {
    padding: 45px 79px;
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
  }
  #sec4 .box-course dl {
    width: 312px;
    padding: 29px 2px 24px;
    margin-bottom: 0;
    text-align: left;
    border-bottom: none;
    border-right: 1px solid #7b6967;
  }
  #sec4 .box-course dl dt {
    font-size: 35px;
    line-height: 60px;
    margin-bottom: 22px;
  }
  #sec4 .box-course dl dd {
    font-size: 30px;
    line-height: 40px;
  }
  #sec4 .box-course dl dd small {
    font-size: 20px;
  }
  #sec4 .box-course .col-list {
    display: flex;
    justify-content: flex-end;
    padding-top: 29px;
  }
  #sec4 .box-course .col-list ul + ul {
    margin-left: 42px;
  }
  #sec4 .note {
    text-align: right;
    margin: 0 -10px 85px 0;
  }
  #sec4 .btn-popup {
    margin-bottom: 50px;
  }
}

@media screen and (min-width: 768px) and (max-width: 1250px) {
  #sec4 .eng-ttl {
    margin-left: calc(-50vw + 52%);
  }
}

@media screen and (min-width: 768px) and (max-width: 1180px) {
  #sec4 .eng-ttl {
    margin-bottom: -5px;
  }
}

#sec5 {
  background: url("../img/course/sec5_deco3.jpg") no-repeat center bottom/150%,
    #231e1a;
  padding: 20vw 0;
  position: relative;
  z-index: 0;
}

#sec5:before {
  content: "";
  width: 30vw;
  height: 100vw;
  background-image: url("../img/course/sec5_deco1.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  right: 4vw;
  top: 5vw;
  z-index: -1;
}

#sec5:after {
  content: "";
  width: 6vw;
  height: 10vw;
  background-image: url("../img/course/sec5_deco2.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  left: 4vw;
  bottom: 163vw;
}

#sec5 .ttl-group {
  margin-bottom: 10vw;
}

#sec5 .ttl-group .eng-ttl {
  line-height: 14vw;
  margin-bottom: 6vw;
}

#sec5 h3 small {
  font-size: 4vw;
}

#sec5 h3 span {
  font-size: 3.2vw;
  font-weight: 400;
  letter-spacing: 0.06em;
}

#sec5 .col-main {
  margin-bottom: 10vw;
}

#sec5 .col-main .img {
  margin-bottom: 8vw;
}

#sec5 .col-main .row-text h3 {
  margin-bottom: 5vw;
}

#sec5 .floor {
  width: 76vw;
  margin: 0 auto 10vw;
}

#sec5 .s5-slider {
  width: 92vw;
  margin: 0 auto;
}

#sec5 .s5-slider .slick-dots {
  margin-top: 6vw;
}

#sec5 .s5-slider .slick-dots li button {
  background: transparent;
  border-color: #fff;
}

#sec5 .s5-slider .slick-dots li.slick-active button {
  background: #fff;
}

#sec5 .s5-slider .img {
  margin-bottom: 8vw;
}

#sec5 .s5-slider h3 {
  margin-bottom: 5vw;
}

@media screen and (min-width: 768px) {
  #sec5 {
    background-size: 100%;
    padding: 117px 0 160px;
  }
  #sec5:before {
    width: 183px;
    height: 439px;
    right: calc(50% - 688px);
    top: 94px;
  }
  #sec5:after {
    width: 29px;
    height: 34px;
    left: calc(50% - 514px);
    bottom: 960px;
  }
  #sec5 .ttl-group {
    margin-bottom: 0;
    position: absolute;
    top: 58px;
    right: 2px;
    z-index: 1;
  }
  #sec5 .ttl-group .eng-ttl {
    line-height: 101px;
    margin-bottom: 42px;
  }
  #sec5 .ttl-group h3 {
    margin-right: -12px;
  }
  #sec5 h3 small {
    font-size: 22px;
    letter-spacing: 0.15em;
    margin-bottom: -11px;
  }
  #sec5 h3 span {
    font-size: 16px;
    margin-bottom: -11px;
  }
  #sec5 .col-main {
    margin-bottom: 187px;
  }
  #sec5 .col-main .img {
    width: 850px;
    margin: 0 0 60px -221px;
  }
  #sec5 .col-main .row-text {
    width: 443px;
  }
  #sec5 .col-main .row-text h3 {
    margin-bottom: 30px;
  }
  #sec5 .floor {
    width: 436px;
    margin: 0;
    position: absolute;
    right: -10px;
    top: 434px;
    z-index: 1;
  }
  #sec5 .s5-slider {
    max-width: 1280px;
    width: 94%;
    display: flex;
    justify-content: space-between;
  }
  #sec5 .s5-slider .item {
    max-width: 610px;
    width: 49%;
  }
  #sec5 .s5-slider .img {
    margin-bottom: 20px;
  }
  #sec5 .s5-slider .img img {
    height: 430px;
  }
  #sec5 .s5-slider h3 {
    text-align: center;
    margin-bottom: 29px;
  }
  #sec5 .s5-slider .txt {
    text-align: center;
  }
}

#sec6 {
  padding: 20vw 4vw;
}

#sec6 .box {
  background-image: url("../img/shared/bg2.jpg");
  padding: 10vw 6vw 12vw;
  position: relative;
}

#sec6 .box:before {
  content: "";
  width: 0px;
  height: 0px;
  border-style: solid;
  border-width: 15px 15px 0 0;
  border-color: #231e1a transparent transparent transparent;
  transform: rotate(0deg);
  position: absolute;
  left: 0;
  top: 0;
}

#sec6 .box:after {
  content: "";
  width: 0px;
  height: 0px;
  border-style: solid;
  border-width: 0 15px 15px 0;
  border-color: transparent #231e1a transparent transparent;
  transform: rotate(0deg);
  position: absolute;
  right: 0;
  top: 0;
}

#sec6 .box h2 {
  font-size: 5.8vw;
  letter-spacing: 0.15em;
  margin-bottom: 6vw;
}

#sec6 .box h2 small {
  font-size: 3.2vw;
  letter-spacing: 0.06em;
  margin-bottom: 2vw;
}

#sec6 .box .contact-box {
  border-top: 1px solid;
  border-bottom: 1px solid;
  padding: 6vw 0;
}

#sec6 .box .contact-box:before {
  content: "";
  width: 0px;
  height: 0px;
  border-style: solid;
  border-width: 15px 0 0 15px;
  border-color: transparent transparent transparent #231e1a;
  transform: rotate(0deg);
  position: absolute;
  left: 0;
  bottom: 0;
}

#sec6 .box .contact-box:after {
  content: "";
  width: 0px;
  height: 0px;
  border-style: solid;
  border-width: 0 0 15px 15px;
  border-color: transparent transparent #231e1a transparent;
  transform: rotate(0deg);
  position: absolute;
  right: 0;
  bottom: 0;
}

#sec6 .box .contact-box .tel-common {
  margin-bottom: 6vw;
}

@media screen and (max-width: 767px) {
  #sec6 .reserve-btn {
    max-width: 265px;
    width: 100%;
  }
}

@media screen and (min-width: 768px) {
  #sec6 {
    padding: 110px 50px;
  }
  #sec6 .box {
    max-width: 700px;
    width: 100%;
    margin: 0 auto;
    padding: 77px 120px 72px;
  }
  #sec6 .box h2 {
    font-size: 30px;
    margin-bottom: 32px;
  }
  #sec6 .box h2 small {
    font-size: 16px;
    margin-bottom: 1px;
  }
  #sec6 .box .contact-box {
    padding: 32px 0 40px;
  }
  #sec6 .box .contact-box .tel-common {
    margin-bottom: 42px;
    font-size: 19.2px;
  }
  #sec6 .box .contact-box .tel-common span {
    font-size: 35.2px;
  }
  #sec6 .box .contact-box .reserve-btn {
    width: 364px;
  }
  #sec6 .box .contact-box .reserve-btn a {
    font-size: 23px;
    padding: 24px 0 24px 2px;
  }
  #sec6 .box .contact-box .reserve-btn a:after {
    border-width: 4.5px 0 4.5px 8px;
    right: 23px;
  }
  #sec6 .box .contact-box .reserve-btn a img {
    width: 23px;
    margin: -6px 16px 0 0;
  }
}