@media screen and (min-width: 768px) {
  .txt {
    line-height: 45px;
  }
}

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

#sec1 {
  padding: 18vw 0;
  position: relative;
}

#sec1 .wrap {
  padding: 0;
}

#sec1 h2 {
  position: absolute;
  left: 6.7vw;
  top: 24vw;
  z-index: 2;
}

#sec1 .bg-para {
  height: 70vw;
  margin-bottom: 6vw;
}

#sec1 .txt {
  padding: 0 6.7vw;
}

@media screen and (min-width: 768px) {
  #sec1 {
    padding: 159px 0 110px;
  }
  #sec1 .wrap {
    padding: 0 20px;
  }
  #sec1 h2 {
    line-height: 70px;
    left: 106px;
    top: 205px;
  }
  #sec1 .bg-para {
    height: 550px;
    margin-bottom: 33px;
  }
  #sec1 .txt {
    text-align: center;
    padding: 0 0 0 4px;
  }
}

#sec2 .blk1 {
  background-image: url("../img/shared/pattern2.png");
  background-size: 36vw;
  padding: 18vw 6.7vw 12vw;
}

#sec2 .blk1 h2 {
  margin-bottom: 10vw;
}

#sec2 .blk1 h3 {
  text-decoration: underline;
  text-decoration-color: #222;
  text-decoration-thickness: 1px;
  margin-bottom: 6vw;
}

#sec2 .blk1 .s2-js .slick-dots {
  margin-top: 6vw;
}

#sec2 .blk1 .s2-js .slick-dots li:before {
  background: #222;
}

#sec2 .blk1 .s2-js .slick-dots li button {
  border-color: #222;
}

#sec2 .blk1 .s2-js .photo {
  height: 60vw;
  margin-bottom: 8vw;
}

#sec2 .blk1 .s2-js .list .ttl {
  font-size: 18px;
  margin-bottom: 3vw;
}

#sec2 .blk1 .s2-js .list.mb {
  margin-bottom: 6vw;
}

#sec2 .blk2 {
  padding: 15vw 0 18vw;
  position: relative;
}

#sec2 .blk2:after {
  content: '';
  width: 33.3vw;
  height: 33.3vw;
  background-image: url("../img/shared/deco_bottom_left.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  left: 3vw;
  bottom: 2vw;
  z-index: -1;
}

#sec2 .blk2 h2 {
  margin-bottom: 8vw;
}

#sec2 .blk2 .menulist {
  padding-bottom: 6vw;
}

#sec2 .blk2 .menulist .col {
  margin-bottom: 8vw;
}

#sec2 .blk2 .menulist h3 {
  font-size: 4.8vw;
  line-height: 6vw;
  letter-spacing: 0.15em;
  margin-bottom: 6vw;
}

#sec2 .blk2 .menulist dl {
  width: 100%;
  display: table;
  line-height: 20px;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid rgba(34, 34, 34, 0.3);
}

#sec2 .blk2 .menulist dl dt {
  display: table-cell;
  text-align: left;
}

#sec2 .blk2 .menulist dl dd {
  display: table-cell;
  text-align: right;
  white-space: nowrap;
}

#sec2 .blk2 .menulist dl.mb {
  margin-bottom: 30px;
}
#sec2 .btn-common{
  margin: 0 auto;
  margin-bottom: 50px;
  margin-top: 50px;
}

@media screen and (min-width: 768px) {
  #sec2 .blk1 {
    background-size: auto;
    padding: 154px 0 0;
  }
  #sec2 .blk1 h2 {
    padding-left: 12px;
    margin-bottom: 64px;
    position: relative;
  }
  #sec2 .blk1 h2:after {
    content: '';
    width: 1px;
    height: 132px;
    background: #222;
    position: absolute;
    left: 50%;
    bottom: -164px;
  }
  #sec2 .blk1 h3 {
    text-decoration-color: #fff;
    text-decoration-thickness: 2px;
    text-underline-offset: 6px;
    margin-bottom: 78px;
  }
  #sec2 .blk1 .s2-js {
    color: #fff;
    position: relative;
    padding-top: 100px;
  }
  #sec2 .blk1 .s2-js .list {
    font-size: 20px;
    line-height: 45px;
  }
  #sec2 .blk1 .s2-js .list .ttl {
    font-size: 25px;
    margin-bottom: 27px;
  }
  #sec2 .blk1 .s2-js .list.mb {
    margin-bottom: 45px;
  }
  #sec2 .blk1 .s2-js .n-left {
    width: 500px;
    position: relative;
    z-index: 1;
  }
  #sec2 .blk1 .s2-js .n-left .row {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  #sec2 .blk1 .s2-js .n-left section {
    background: rgba(34, 34, 34, 0.5);
    padding-top: 200px;
  }
  #sec2 .blk1 .s2-js .n-left #step1 {
    padding: 143px 0 317px;
  }
  #sec2 .blk1 .s2-js .n-left #step2 {
    padding-bottom: 538px;
  }
  #sec2 .blk1 .s2-js .n-left #step3 {
    padding-bottom: 558px;
  }
  #sec2 .blk1 .s2-js .n-left #step4 {
    padding-bottom: 355px;
  }
  #sec2 .blk1 .s2-js .n-left #step5{
    padding-bottom: 344px;
  }
  #sec2 .blk1 .s2-js .n-left #step5 .row {
    padding-bottom: 6px;
  }
  #sec2 .blk1 .s2-js .main-visual {
    width: 100%;
    position: absolute;
    left: 0;
    top: 100px !important;
  }
  #sec2 .blk1 .s2-js .main-visual .top-section-img {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    width: 100%;
    transition: opacity .8s linear 0s;
    will-change: opacity;
  }
  #sec2 .blk1 .s2-js .main-visual .top-section-img img {
    width: 100%;
    height: 100vh;
    object-fit: cover;
    object-position: 50%;
  }
  #sec2 .blk1 .s2-js .main-visual .top-section-img.show {
    opacity: 1;
    transition: opacity .6s linear 0s;
  }
  #sec2 .blk1 .s2-js .main-visual.fixed {
    position: fixed;
  }
  #sec2 .blk2 {
    padding: 45px 0 126px;
    position: relative;
    z-index: 1;
    background-image: url("../img/shared/bg.jpg");
  }
  #sec2 .blk2:after {
    width: 250px;
    height: 250px;
    left: 20px;
    bottom: 18px;
  }
  #sec2 .blk2 h2 {
    padding-left: 3px;
    margin-bottom: 26px;
  }
  #sec2 .blk2 .menulist {
    max-width: 1100px;
    width: 96%;
    margin: 0 auto;
    padding-bottom: 48px;
  }
  #sec2 .blk2 .menulist .col {
    max-width: 510px;
    width: 48%;
    margin-bottom: 0;
  }
  #sec2 .blk2 .menulist h3 {
    font-size: 25px;
    line-height: 40px;
    letter-spacing: 0.15em;
    margin-bottom: 37px;
  }
  #sec2 .blk2 .menulist dl {
    line-height: 25px;
    padding-bottom: 12px;
    margin-bottom: 12px;
  }
  #sec2 .blk2 .menulist dl.mb {
    margin-bottom: 37px;
  }
}

.bg-main {
  background-image: url("../img/shared/bg.jpg");
  position: relative;
}

#sec3 {
  padding: 10vw 0 18vw;
}

#sec3 h2 {
  margin-bottom: 8vw;
}

#sec3 ul {
  position: absolute;
  top: 40vw;
  left: 6.7vw;
  z-index: 2;
}

#sec3 ul li {
  font-size: 4vw;
  letter-spacing: 0.16em;
  font-weight: 500;
  line-height: 7vw;
  width: 7vw;
  height: 50vw;
  background-image: url("../img/course/ttl_bg1.png");
  background-repeat: no-repeat;
  background-size: 100%;
  padding-top: 6vw;
}

#sec3 ul li + li {
  margin-left: 1vw;
}

#sec3 .img {
  height: 66vw;
  margin: 0 -6.7vw 6vw;
}

@media screen and (min-width: 768px) {
  #sec3 {
    padding: 174px 0 182px;
    position: relative;
    z-index: 1;
    color: #fff;
  }
  #sec3 .wrap {
    position: static;
  }
  #sec3 h2 {
    line-height: 63px;
    margin: 0 0 19px -2px;
  }
  #sec3 .txt {
    text-align: left;
    width: 431px;
    margin-left: 2px;
  }
  #sec3 ul {
    top: 50px;
    right: 46px;
    left: auto;
  }
  #sec3 ul li {
    font-size: 30px;
    line-height: 50px;
    width: 50px;
    height: 354px;
    padding-top: 45px;
  }
  #sec3 ul li + li {
    margin-left: 5px;
  }
  #sec3 .img {
    height: 100%;
    margin: 0;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    z-index: -1;
    animation: none;
  }
}

#sec4 {
  position: relative;
  z-index: 0;
  padding: 12vw 0 18vw;
}

#sec4:after {
  content: '';
  width: 33.3vw;
  height: 33.3vw;
  background-image: url("../img/shared/deco_bottom_right.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  right: 3vw;
  bottom: 2vw;
  z-index: -1;
}

#sec4 .slick-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 3vw;
  z-index: 1;
}

#sec4 .slick-slide {
  line-height: 0;
}

#sec4 .blk1 {
  margin-bottom: 8vw;
}

#sec4 .blk1 .col-text {
  margin-bottom: 8vw;
}

#sec4 .blk1 .col-text h2 {
  margin-bottom: 6vw;
}

#sec4 .blk2 .s4-slider2 {
  margin-bottom: 8vw;
}

#sec4 .blk2 .s4-slider3 .ttl {
  width: 45vw;
  height: 6vw;
  background-image: url("../img/course/ttl_bg2.png");
  background-repeat: no-repeat;
  background-size: 100%;
  color: #fff;
  font-size: 4vw;
  letter-spacing: 0.16em;
  line-height: 6vw;
  text-align: center;
  position: absolute;
  left: 0;
  top: 6vw;
  z-index: 1;
}

@media screen and (min-width: 768px) {
  #sec4 {
    padding: 120px 0 0;
  }
  #sec4:before {
    content: '';
    height: 1px;
    background: #222;
    opacity: 0.3;
    position: absolute;
    left: 0;
    right: 0;
    top: 50px;
  }
  #sec4:after {
    width: 250px;
    height: 250px;
    right: 20px;
    bottom: -80px;
  }
  #sec4 .slick-dots {
    bottom: 19px;
  }
  #sec4 .blk1 {
    margin-bottom: 19px;
  }
  #sec4 .blk1 .col-text {
    order: 2;
    margin: 30px 124px 0 0;
  }
  #sec4 .blk1 .col-text h2 {
    margin: 0;
    order: 2;
    text-align: left;
    position: relative;
  }
  #sec4 .blk1 .col-text h2:after {
    content: '';
    width: 1px;
    background: #222;
    opacity: 0.3;
    position: absolute;
    right: 19px;
    top: -150px;
    bottom: 4px;
  }
  #sec4 .blk1 .col-text .txt {
    height: 362px;
    margin: 8px 25px 0 0;
  }
  #sec4 .blk1 .s4-slider1 {
    width: 700px;
    margin-left: -100px;
  }
  #sec4 .blk2 .s4-slider2 {
    width: 700px;
    margin-left: -100px;
    margin-bottom: 0;
  }
  #sec4 .blk2 .s4-slider3 {
    width: 550px;
  }
  #sec4 .blk2 .s4-slider3 .ttl {
    width: 219px;
    height: 28px;
    font-size: 20px;
    line-height: 26px;
    top: 30px;
    padding-left: 2px;
  }
}

@media screen and (min-width: 768px) and (max-width: 1280px) {
  #sec4 .blk1 .col-text {
    margin-right: 50px;
  }
  #sec4 .blk2 .s4-slider3 {
    max-width: 550px;
    width: calc(100% - 615px);
  }
  #sec4 .blk2 .s4-slider3 img {
    width: 100%;
    height: auto;
  }
}

#sec5 {
  padding: 15vw 0 18vw;
  position: relative;
  z-index: 1;
}

#sec5:before {
  content: '';
  width: 60vw;
  height: 70vw;
  background-image: url("../img/course/sec5_deco.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  left: 15vw;
  top: -20vw;
  z-index: -1;
}

#sec5 h2 {
  margin-bottom: 10vw;
}

#sec5 .wrapper {
  padding: 0 6.7vw;
}

#sec5 .img {
  margin-bottom: 6vw;
}

#sec5 .slick-dots {
  position: absolute;
  left: 0;
  right: 0;
  top: 54vw;
  z-index: 1;
}

#sec5 .col-text .sttl {
  font-size: 4vw;
  letter-spacing: 0.15em;
  line-height: 6vw;
  margin-bottom: 2vw;
}

#sec5 .col-text .ttl {
  font-size: 5.6vw;
  letter-spacing: 0.15em;
  line-height: 9vw;
  position: relative;
}

#sec5 .col-text .ttl:after {
  content: '';
  height: 1px;
  background: #222;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2vw;
}

#sec5 .col-text .ttl small {
  font-size: 4vw;
}

#sec5 .col-text .price {
  font-size: 5vw;
  letter-spacing: 0.15em;
  line-height: 8vw;
  margin-bottom: 4vw;
}

#sec5 .col-text .price small {
  font-size: 4vw;
}

#sec5 .col-text .txt {
  margin-bottom: 12vw;
}

#sec5 .col-text .list {
  line-height: 20px;
}

#sec5 .col-text .list dl {
  width: 100%;
  display: table;
  padding-bottom: 4px;
  margin-bottom: 10px;
  border-bottom: 1px solid rgba(34, 34, 34, 0.3);
}

#sec5 .col-text .list dl dt {
  display: table-cell;
  text-align: left;
  vertical-align: top;
}

#sec5 .col-text .list dl dd {
  display: table-cell;
  text-align: right;
  white-space: nowrap;
  padding-top: 10px;
}

@media screen and (min-width: 768px) {
  #sec5 {
    padding: 136px 0 130px;
  }
  #sec5:before {
    width: 420px;
    height: 477px;
    left: calc(50% - 200px);
    top: -111px;
  }
  #sec5 h2 {
    padding-left: 14px;
    margin-bottom: 62px;
  }
  #sec5 .wrapper {
    padding: 0;
    max-width: 1500px;
    width: 100%;
    margin: 0 auto;
  }
  #sec5 .inner {
    max-width: 1352px;
    width: 98%;
    margin-left: auto;
  }
  #sec5 .item {
    display: flex !important;
    justify-content: flex-end;
  }
  #sec5 .img {
    order: 2;
    width: calc(100% - 450px);
    height: 650px;
    margin-bottom: 0;
  }
  #sec5 .slick-dots {
    width: calc(100% - 450px);
    left: auto;
    top: auto;
    bottom: 19px;
  }
  #sec5 .col-text {
    order: 1;
    width: 450px;
  }
  #sec5 .col-text .sttl {
    font-size: 20px;
    line-height: 40px;
    margin: 40px 0 5px;
  }
  #sec5 .col-text .ttl {
    font-size: 30px;
    line-height: 40px;
    margin-bottom: -2px;
  }
  #sec5 .col-text .ttl:after {
    bottom: 9px;
  }
  #sec5 .col-text .ttl small {
    font-size: 20px;
  }
  #sec5 .col-text .price {
    font-size: 25px;
    line-height: 40px;
    margin: 0 0 10px 2px;
  }
  #sec5 .col-text .price small {
    font-size: 20px;
  }
  #sec5 .col-text .txt {
    width: 334px;
    line-height: 30px;
    margin: 0 0 54px 3px;
  }
  #sec5 .col-text .list {
    width: 365px;
    line-height: 25px;
    margin-left: 5px;
  }
}

#sec6 {
  padding: 10vw 6.7vw 18vw;
}

#sec6 h2 {
  margin: 0 auto 8vw;
  white-space: nowrap;
}

#sec6 .s6-slider {
  margin-bottom: 8vw;
}

#sec6 .s6-slider .slick-dots {
  position: absolute;
  left: 0;
  right: 0;
  top: 55vw;
  z-index: 1;
}

#sec6 .s6-slider .col-text {
  margin-top: 8vw;
}

#sec6 .s6-slider .col-text dl dt {
  position: relative;
  margin-bottom: 3vw;
  padding-bottom: 2vw;
}

#sec6 .s6-slider .col-text dl dt:after {
  content: '';
  height: 1px;
  background: #222;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
}

#sec6 .s6-slider .col-text dl dt small {
  font-size: 4vw;
  line-height: 6vw;
  margin-top: 1vw;
}

#sec6 .s6-slider .col-text dl dd {
  font-size: 4vw;
  line-height: 6vw;
  letter-spacing: 0.15em;
}

#sec6 .s6-slider .col-text dl dd span {
  font-size: 5vw;
}

#sec6 .s6-slider .col-text dl dd small {
  font-size: 3vw;
}

#sec6 .note {
  margin-bottom: 8vw;
}

@media screen and (min-width: 768px) {
  #sec6 {
    padding: 0 0 101px;
    position: relative;
  }
  #sec6 .wrapper {
    max-width: 1500px;
    width: 100%;
    margin: 0 auto;
  }
  #sec6 .inner {
    max-width: 1450px;
    width: 100%;
    margin-left: auto;
  }
  #sec6 h2 {
    margin: 0;
    position: absolute;
    top: 47px;
    right: 204px;
    z-index: 1;
  }
  #sec6 .s6-slider {
    margin-bottom: 91px;
  }
  #sec6 .s6-slider .slick-dots {
    width: calc(100% - 546px);
    right: auto;
    top: auto;
    bottom: 21px;
  }
  #sec6 .s6-slider .item {
    display: flex !important;
    justify-content: flex-end;
  }
  #sec6 .s6-slider .img {
    width: calc(100% - 546px);
    height: 650px;
  }
  #sec6 .s6-slider .col-text {
    width: 546px;
    margin-top: 444px;
  }
  #sec6 .s6-slider .col-text dl dt {
    margin-bottom: 6px;
    padding-bottom: 12px;
  }
  #sec6 .s6-slider .col-text dl dt small {
    font-size: 20px;
    line-height: 28px;
    margin-top: 4px;
  }
  #sec6 .s6-slider .col-text dl dd {
    font-size: 20px;
    line-height: 40px;
  }
  #sec6 .s6-slider .col-text dl dd span {
    font-size: 25px;
  }
  #sec6 .s6-slider .col-text dl dd small {
    font-size: 17px;
    margin-top: -7px;
  }
  #sec6 .note {
    margin-bottom: 46px;
    text-align: center;
    line-height: 30px;
  }
  #sec6 .btn-common {
    margin: 0 auto;
  }
}

@media screen and (min-width: 768px) and (max-width: 1280px) {
  #sec6 .s6-slider .slick-dots {
    width: calc(100% - 500px);
  }
  #sec6 .s6-slider .col-text {
    width: 500px;
  }
  #sec6 .s6-slider .img {
    width: calc(100% - 500px);
  }
}