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

@media screen and (max-width: 767px) {
  #key {
    height: 122.67vw;
  }
}

#sec1 {
  background-image: url("../img/course/sec1_bg.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: left center;
  color: #fff;
  padding: 94px 96px 93px;
  position: relative;
  z-index: 0;
}

#sec1:before {
  content: '';
  width: 300px;
  height: 251px;
  background-image: url("../img/course/sec1_deco.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
}

#sec1 .col-text {
  width: 800px;
}

#sec1 .col-text h2 {
  margin-bottom: 31px;
}

#sec1 .col-text .txt {
  margin-left: 4px;
}

@media screen and (max-width: 767px) {
  #sec1 {
    padding: 15vw 5%;
  }
  #sec1:before {
    width: 40vw;
    height: 40vw;
  }
  #sec1 .col-text {
    width: 100%;
  }
  #sec1 .col-text h2 {
    margin-bottom: 5vw;
  }
  #sec1 .col-text .txt {
    margin-left: 0;
  }
}

#sec2 {
  background-image: url("../img/shared/bg2.jpg");
  padding: 117px 0 270px;
  position: relative;
  z-index: 0;
}

#sec2:before {
  content: '';
  width: 579px;
  height: 437px;
  background-image: url("../img/course/sec2_deco1.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  top: -26px;
  right: calc(50% - 734px);
  z-index: -1;
}

#sec2:after {
  content: '';
  height: 154px;
  background-image: url("../img/course/sec3_bg_deco.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center top;
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
}

#sec2 h2 {
  text-align: center;
  margin-bottom: 17px;
}

#sec2 .txt {
  text-align: center;
  margin-bottom: 35px;
}

#sec2 .note_ {
  text-align: center;
  margin-bottom: 55px;
}

#sec2 .row1 {
  position: relative;
}

#sec2 .row1 h3 {
  position: absolute;
  top: -67px;
  right: -44px;
  z-index: 1;
}

#sec2 .row1 .img1 {
  margin-left: -230px;
}

#sec2 .row2 {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

#sec2 .row2 .box {
  order: 2;
  width: 650px;
  background-image: url("../img/shared/bg4.png");
  margin: -82px -100px 0 0;
  padding: 74px 100px 146px;
  box-sizing: border-box;
}

#sec2 .row2 .box dl {
  margin-bottom: 29px;
}

#sec2 .row2 .box dl dt {
  font-size: 46px;
  margin-bottom: 30px;
}

#sec2 .row2 .box dl dd {
  font-size: 26px;
  margin-left: 5px;
}

#sec2 .row2 .box .txt2 {
  margin-bottom: 27px;
}

#sec2 .row2 .box .row-list {
  position: relative;
  border-bottom: 1px solid #a68039;
  padding-bottom: 11px;
}

#sec2 .row2 .box .row-list:before {
  content: '';
  width: calc(50% - 30px);
  height: 1px;
  background: #a68039;
  position: absolute;
  left: 0;
  top: 16px;
}

#sec2 .row2 .box .row-list:after {
  content: '';
  width: calc(50% - 30px);
  height: 1px;
  background: #a68039;
  position: absolute;
  right: 0;
  top: 16px;
}

#sec2 .row2 .box .row-list .sttl {
  text-align: center;
  margin-bottom: 2px;
}

#sec2 .row2 .box .row-list .list {
  display: flex;
  padding-left: 27px;
}

#sec2 .row2 .box .row-list .list ul + ul {
  margin-left: 69px;
}

#sec2 .row2 .img-group {
  order: 1;
  width: 470px;
  margin: 68px 0 0 -100px;
  position: relative;
}

#sec2 .row2 .img-group:before {
  content: '';
  width: 616px;
  height: 282px;
  background-image: url("../img/course/sec2_deco2.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  left: -86px;
  bottom: -109px;
}

#sec2 .row2 .img-group .img3 {
  margin: 70px 0 0 80px;
}

#sec2 .row2 .img-group .img4 {
  position: absolute;
  bottom: -109px;
  right: -430px;
  z-index: 2;
}

@media screen and (max-width: 767px) {
  #sec2 {
    padding: 20vw 0;
  }
  #sec2:before {
    width: 80vw;
    height: 80vw;
    top: 0;
    right: -15vw;
  }
  #sec2:after {
    height: 20vw;
  }
  #sec2 h2 {
    width: 73vw;
    margin: 0 auto 4vw;
  }
  #sec2 .txt {
    text-align: left;
    margin-bottom: 6vw;
  }
  #sec2 .note_ {
    text-align: left;
    margin-bottom: 8vw;
  }
  #sec2 .row1 {
    margin-bottom: 6vw;
  }
  #sec2 .row1 h3 {
    width: 24vw;
    top: -10vw;
    right: -5vw;
  }
  #sec2 .row1 .img1 {
    margin-left: 0;
    height: 70vw;
  }
  #sec2 .row1 .img1 img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
    object-position: 50%;
  }
  #sec2 .row2 {
    display: block;
  }
  #sec2 .row2 .box {
    width: 100%;
    margin: 0 0 8vw;
    padding: 10vw 6%;
  }
  #sec2 .row2 .box dl {
    margin-bottom: 5vw;
    line-height: 1;
	  text-align: center;
  }
  #sec2 .row2 .box dl dt {
    font-size: 7vw;
    margin-bottom: 4vw;
  }
  #sec2 .row2 .box dl dd {
    font-size: 5vw;
    margin-left: 1vw;
  }
  #sec2 .row2 .box .txt2 {
    margin-bottom: 6vw;
  }
  #sec2 .row2 .box .row-list:before {
    top: 14px;
  }
  #sec2 .row2 .box .row-list:after {
    top: 14px;
  }
  #sec2 .row2 .box .row-list .list {
    justify-content: center;
    padding: 0 5vw 0 0;
  }
  #sec2 .row2 .box .row-list .list ul + ul {
    margin-left: 30px;
  }
  #sec2 .row2 .img-group {
    width: 100%;
    margin: 0;
  }
  #sec2 .row2 .img-group:before {
    width: 70vw;
    height: 50vw;
    background-position: center bottom;
    left: -10vw;
    bottom: 2vw;
  }
  #sec2 .row2 .img-group .img2 {
	  width: 80%;
    margin: 0 auto 6vw;
  }
  #sec2 .row2 .img-group .dflex {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
  }
  #sec2 .row2 .img-group .img3 {
    margin: 0;
  }
  #sec2 .row2 .img-group .img4 {
    margin: 6vw 0 0 4vw;
    position: relative;
    bottom: auto;
    right: auto;
  }
}

#sec3 {
  position: relative;
  z-index: 0;
  padding: 55px 0 196px;
}

#sec3:after {
  content: '';
  height: 154px;
  background-image: url("../img/course/sec4_bg_deco.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center bottom;
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
}

#sec3 .wrap:before {
  content: '';
  width: 487px;
  height: 717px;
  background-image: url("../img/course/sec3_deco.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  top: -116px;
  left: -350px;
  z-index: -1;
}

#sec3 .col-text dl {
  margin-bottom: 19px;
}

#sec3 .col-text dl dt {
  font-size: 46px;
  margin-bottom: 20px;
}

#sec3 .col-text dl dd {
  font-size: 26px;
  margin-left: 4px;
}

#sec3 .col-text .txt {
  margin-bottom: 21px;
}

#sec3 .col-text .row-list {
  position: relative;
  border-bottom: 1px solid #a68039;
  padding-bottom: 21px;
}

#sec3 .col-text .row-list:before {
  content: '';
  width: calc(50% - 30px);
  height: 1px;
  background: #a68039;
  position: absolute;
  left: 0;
  top: 17px;
}

#sec3 .col-text .row-list:after {
  content: '';
  width: calc(50% - 30px);
  height: 1px;
  background: #a68039;
  position: absolute;
  right: 0;
  top: 17px;
}

#sec3 .col-text .row-list .sttl {
  text-align: center;
  margin: 0 4px 3px 0;
}

#sec3 .col-text .row-list .list {
  display: flex;
  padding-left: 3px;
}

#sec3 .col-text .row-list .list ul + ul {
  margin-left: 39px;
}

#sec3 .col-text .row-list .list small {
  display: block;
  font-size: 14px;
  line-height: 22px;
  letter-spacing: 0.1em;
  margin: -4px 0 8px 11px;
}

#sec3 .fade-slider {
  line-height: 0;
  width: 780px;
}

#sec3 .row1 {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin: 90px 0;
}

#sec3 .row1 .fade-slider {
  order: 2;
  margin-right: -200px;
}

#sec3 .row1 .col-text {
  order: 1;
  width: 379px;
  margin: 39px 0 0 3px;
}

#sec3 .row2 {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  z-index: 0;
}

#sec3 .row2:before {
  content: '';
  width: 666px;
  height: 299px;
  background-image: url("../img/course/sec3_deco2.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  bottom: -41px;
  left: 52px;
  z-index: -1;
}

#sec3 .row2 .fade-slider {
  margin-left: -200px;
}

#sec3 .row2 .col-text {
  width: 381px;
  margin: 9px -4px 0 0;
}

#sec3 .row2 .col-text .txt {
  margin-bottom: 11px;
}

#sec3 .row2 .col-text .row-list {
  padding-bottom: 16px;
}

#sec3 .row2 .col-text .row-list .list ul + ul {
  margin-left: 79px;
}

@media screen and (max-width: 767px) {
  #sec3 {
    padding: 20vw 0 30vw;
  }
  #sec3:after {
    height: 20vw;
  }
  #sec3 .wrap:before {
    width: 60vw;
    height: 100vw;
    top: -26vw;
    left: -10vw;
  }
  #sec3 .col-text dl {
    margin-bottom: 5vw;
    line-height: 1;
	  text-align: center;
  }
  #sec3 .col-text dl dt {
    font-size: 7vw;
    margin-bottom: 4vw;
  }
  #sec3 .col-text dl dd {
    font-size: 5vw;
    margin-left: 1vw;
  }
  #sec3 .col-text .txt {
    margin-bottom: 6vw;
  }
  #sec3 .col-text .row-list:before {
    top: 14px;
  }
  #sec3 .col-text .row-list:after {
    top: 14px;
  }
  #sec3 .col-text .row-list .sttl {
    margin: 0 0px 3px 0;
  }
  #sec3 .col-text .row-list .list {
    justify-content: center;
    padding: 0 5vw 0 0;
  }
  #sec3 .col-text .row-list .list ul + ul {
    margin-left: 30px;
  }
  #sec3 .col-text .row-list .list small {
    font-size: 11px;
    line-height: 18px;
    letter-spacing: 0.05em;
  }
  #sec3 .fade-slider {
    width: 100%;
    margin-bottom: 8vw;
  }
  #sec3 .row1 {
    display: block;
    margin: 15vw 0;
  }
  #sec3 .row1 .fade-slider {
    margin-right: 0;
  }
  #sec3 .row1 .col-text {
    order: 1;
    width: 100%;
    margin: 0;
  }
  #sec3 .row2 {
    display: block;
  }
  #sec3 .row2:before {
    width: 90vw;
    height: 50vw;
    bottom: auto;
    left: 22vw;
    top: 35vw;
  }
  #sec3 .row2 .fade-slider {
    margin-left: 0;
  }
  #sec3 .row2 .col-text {
    width: 100%;
    margin: 0;
  }
  #sec3 .row2 .col-text .txt {
    margin-bottom: 6vw;
  }
  #sec3 .row2 .col-text .row-list {
    padding-bottom: 21px;
  }
  #sec3 .row2 .col-text .row-list .list ul + ul {
    margin-left: 30px;
  }
}

#sec4 {
  background-image: url("../img/shared/bg2.jpg");
  padding: 23px 0 115px;
  position: relative;
  z-index: 0;
  text-align: center;
}

#sec4:before {
  content: '';
  width: 446px;
  height: 333px;
  background-image: url("../img/course/sec4_deco.png");
  background-repeat: no-repeat;
  background-size: 100%;
  position: absolute;
  left: calc(50% - 786px);
  bottom: 0;
  z-index: -1;
}

#sec4 h2 {
  margin-bottom: 41px;
}

#sec4 .txt {
  line-height: 35px;
  letter-spacing: 0.05em;
  margin-bottom: 39px;
}

#sec4 .txt p + p {
  margin-top: 10px;
}

#sec4 .txt .txt-bg {
  display: inline-block;
  color: #fff;
  font-size: 20px;
  line-height: 28px;
  background: #a68039;
  padding: 0 8px;
  margin: 0 4px;
}

#sec4 .txt .tdu {
  text-decoration: underline;
  color: #c20000;
}

#sec4 .popup-tel {
  max-width: 780px;
  width: 100%;
  margin: 0 auto;
  background-image: url("../img/shared/b4.jpg");
}

@media screen and (max-width: 767px) {
  #sec4 {
    padding: 10vw 0 20vw;
  }
  #sec4:before {
    width: 70vw;
    height: 70vw;
    background-position: center bottom;
    left: 0;
  }
  #sec4 h2 {
    width: 61vw;
    margin: 0 auto 6vw;
  }
  #sec4 .txt {
    line-height: 28px;
    margin-bottom: 6vw;
  }
  #sec4 .txt .txt-bg {
    font-size: 15px;
    padding: 0 2px;
  }
}

#sec5 {
  background-image: url("../img/shared/bg3.jpg");
  color: #fff;
  border-bottom: 1px solid #554234;
}

#sec5 .row1 {
  position: relative;
}

#sec5 .row1:before {
  content: '';
  height: 154px;
  background-image: url("../img/course/sec5_bg_deco.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center top;
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  z-index: 1;
}

#sec5 .row1 h2 {
  position: absolute;
  top: 177px;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 2;
}

#sec5 .row1 .bg {
  height: 650px;
}

#sec5 .row1 .bg img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover;
  object-position: 50%;
}

#sec5 .row2 {
  padding: 18px 0 88px;
  position: relative;
  z-index: 0;
}

#sec5 .row2:before {
  content: '';
  background-image: url("../img/course/sec5_deco.png");
  background-repeat: no-repeat;
  background-size: 100%;
  width: 578px;
  height: 438px;
  position: absolute;
  right: -107px;
  bottom: -50px;
  z-index: -1;
}

#sec5 .row2 .dflex {
  display: flex;
  justify-content: space-between;
}

#sec5 .row2 .dflex .txt {
  width: 350px;
}

#sec5 .row2 .dflex .img1 {
  width: 700px;
  margin: 5px -100px 0 0;
  position: relative;
  z-index: 0;
}

#sec5 .row2 .dflex .img1:after {
  content: '';
  width: 364px;
  height: 261px;
  background-image: url("../img/shared/b4.jpg");
  position: absolute;
  right: -49px;
  bottom: -29px;
  z-index: -1;
}

#sec5 .row2 .img2 {
  width: 450px;
  margin: -151px 0 0 -100px;
}

#sec5 .row3 {
  padding-bottom: 89px;
}

#sec5 .row3 .toggle-custom .toggle-link {
  margin-bottom: 37px;
}

#sec5 .row3 .toggle-custom .menulist .col dl {
  border-color: #554234;
}

@media screen and (min-width: 768px) {
  #sec5 .toggle-custom .menulist .col .item.mb {
    margin-bottom: 38px;
  }
}

@media screen and (max-width: 767px) {
  #sec5 .row1:before {
    height: 20vw;
  }
  #sec5 .row1 h2 {
    top: 21vw;
    padding: 0 3vw;
  }
  #sec5 .row1 .bg {
    height: 90vw;
  }
  #sec5 .row2 {
    padding: 10vw 0 20vw;
  }
  #sec5 .row2:before {
    width: 100vw;
    height: 100vw;
    background-position: center bottom;
    right: -30vw;
    bottom: 0vw;
  }
  #sec5 .row2 .dflex {
    display: block;
  }
  #sec5 .row2 .dflex .txt {
    width: 100%;
    margin-bottom: 8vw;
  }
  #sec5 .row2 .dflex .img1 {
    width: 100%;
    margin: 0 0 10vw;
  }
  #sec5 .row2 .dflex .img1:after {
    width: 40vw;
    height: 30vw;
    right: -3vw;
    bottom: -5vw;
  }
  #sec5 .row2 .img2 {
    width: 60vw;
    margin: 0 0 0 8vw;
  }
  #sec5 .row3 {
    padding-bottom: 20vw;
  }
  #sec5 .row3 .toggle-custom .toggle-link {
    margin-bottom: 0vw;
  }
  #sec5 .row3 .toggle-custom .toggle-link img {
    width: 40vw;
  }
  #sec5 .row3 .toggle-custom .menulist .col dl {
    border-color: #554234;
  }
}