.ch {
  position: relative;
}

.ch-img {
  position: absolute;
  width: 100%;
  height: 350px;
  background-color: #000;
  z-index: -1;
}

.ch-img img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  opacity: 0.8;
}

.ch-wrap {
  position: relative;
  width: 100%;
  height: 350px;
  max-width: 1100px;
  margin: 0 auto;
}

.ch-board {
  position: relative;
  top: 25%;
  left: 0;
  width: 350px;
  background-color: #fff;
  text-align: center;
  padding: 40px 0 45px 0;
  left: calc((100% - 370px) / 2);
}

@media screen and (max-width: 600px) {
  .ch-board {
    left: calc((100% - 300px) / 2);
    width: 280px;
  }
}
.ch-board::after {
  content: "";
  position: absolute;
  top: 20px;
  left: 20px;
  width: 100%;
  height: 100%;
  background-color: #1bb3e0;
  z-index: -1;
}

.ch-tit {
  display: inline-block;
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 2px;
  background-image: linear-gradient(to left, #1bb3e0 5px, transparent 5px);
  background-size: 10px 3px;
  background-repeat: repeat-x;
  background-position: bottom;
  padding-bottom: 10px;
}

@media screen and (max-width: 600px) {
  .ch-tit {
    font-size: 20px;
  }
}
.ch-tit p {
  color: #1bb3e0;
  font-family: "Jost", sans-serif;
  font-size: 18px;
  margin-bottom: 10px;
}

@media screen and (max-width: 600px) {
  .ch-tit p {
    font-size: 16px;
    margin-bottom: 5px;
  }
}
.ch-img img {
  -o-object-position: 50% 50%;
     object-position: 50% 50%;
}

@media screen and (max-width: 600px) {
  .ch-img img {
    -o-object-position: 50% 50%;
       object-position: 50% 50%;
  }
}
.about {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
  padding: 85px 0 0;
}

@media screen and (max-width: 600px) {
  .about {
    max-width: 425px;
  }
}
@media screen and (max-width: 425px) {
  .about {
    margin: 0 20px;
  }
}
@media screen and (max-width: 600px) {
  .about {
    padding: 60px 0 0;
  }
}
.about-tit {
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 2px;
  position: relative;
  padding-bottom: 50px;
}

@media screen and (max-width: 600px) {
  .about-tit {
    font-size: 18px;
  }
}
.about-tit p {
  color: #1bb3e0;
  font-family: "Jost", sans-serif;
  font-size: 16px;
  margin-bottom: 10px;
}

@media screen and (max-width: 600px) {
  .about-tit p {
    font-size: 14px;
    margin-bottom: 0;
  }
}
.about-tit::after {
  content: "";
  position: absolute;
  left: 0;
  width: 70px;
  height: 5px;
  background-image: radial-gradient(#1bb3e0 25%, transparent 15%);
  background-size: 6px 6px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  bottom: 20px;
}

.about-txt span {
  display: inline-block;
  font-weight: bold;
  line-height: 24px;
  margin-top: 10px;
}

.about-bg {
  position: relative;
  background-color: #f8f8f8;
  padding: 60px 70px 50px;
  margin-top: 60px;
}

@media screen and (max-width: 600px) {
  .about-bg {
    padding: 20px 20px 5px;
  }
}
.about-tit_list {
  position: absolute;
  top: -20px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  background-color: #1bb3e0;
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  letter-spacing: 1px;
  padding: 5px 50px;
}

@media screen and (max-width: 600px) {
  .about-tit_list {
    white-space: nowrap;
  }
}
.about-item {
  position: relative;
  display: grid;
  grid-template-columns: 200px 1fr;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding: 25px 0;
}

@media screen and (max-width: 600px) {
  .about-item {
    grid-template-columns: 1fr;
  }
}
.about-item::after {
  content: "";
  position: absolute;
  left: 0;
  width: 70px;
  height: 5px;
  background-image: radial-gradient(#000 25%, transparent 15%);
  background-size: 6px 6px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  bottom: 0;
  width: 100%;
}

.about-item:first-child::before {
  content: "";
  position: absolute;
  left: 0;
  width: 70px;
  height: 5px;
  background-image: radial-gradient(#000 25%, transparent 15%);
  background-size: 6px 6px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  top: 0;
  width: 100%;
}

@media screen and (max-width: 600px) {
  .about-item:first-child::before {
    display: none;
  }
}
@media screen and (max-width: 600px) {
  .about-item:last-child::after {
    display: none;
  }
}
.about-item p {
  text-align: left;
}

.about-item label {
  font-size: 16px;
  font-weight: bold;
}

@media screen and (max-width: 600px) {
  .about-item label {
    font-size: 14px;
    text-align: center;
    margin-bottom: 10px;
  }
}
.flow {
  max-width: 1100px;
  margin: 0 auto;
}

@media screen and (max-width: 600px) {
  .flow {
    max-width: 425px;
  }
}
@media screen and (max-width: 425px) {
  .flow {
    margin: 0 20px;
  }
}
.flow-tit {
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 2px;
  text-align: center;
}

@media screen and (max-width: 600px) {
  .flow-tit {
    font-size: 18px;
  }
}
.flow-tit p {
  color: #1bb3e0;
  font-family: "Jost", sans-serif;
  font-size: 16px;
  margin-bottom: 10px;
}

@media screen and (max-width: 600px) {
  .flow-tit p {
    font-size: 14px;
    margin-bottom: 0;
  }
}
.flow-slider {
  position: relative;
  background-color: #fff;
  -webkit-box-shadow: 0 3px 6px 0 rgba(0, 0, 0, 0.1);
          box-shadow: 0 3px 6px 0 rgba(0, 0, 0, 0.1);
  padding: 30px 30px 70px;
  margin: 50px 20px;
}

@media screen and (max-width: 600px) {
  .flow-slider {
    padding: 20px 20px 100px;
    margin: 40px 0;
  }
}
.flow-slider img {
  width: 100%;
  height: auto;
  padding: 0 50px;
}

@media screen and (max-width: 600px) {
  .flow-slider img {
    min-width: 800px;
    padding: 0;
  }
}
.flow-slider::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  -webkit-transform: translateX(-50%) rotate(-2deg);
          transform: translateX(-50%) rotate(-2deg);
  background-color: #1bb3e0;
  width: calc(100% + 80px);
  height: 100%;
  z-index: -1;
}

@media screen and (max-width: 600px) {
  .flow-slider::before {
    width: calc(100% + 20px);
  }
}
.flow-download {
  text-align: center;
  margin-top: 50px;
}

@media screen and (max-width: 600px) {
  .flow-download {
    margin-top: 30px;
  }
}
@media screen and (max-width: 600px) {
  .flow-download p {
    font-size: 12px;
  }
}
.flow-btn {
  display: block;
  width: 350px;
  color: #fff;
  font-weight: 500;
  letter-spacing: 2px;
  background-color: #1bb3e0;
  text-align: center;
  border: 1px solid #1bb3e0;
  padding: 15px 0;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  margin: 5px auto 0;
}

.flow-btn:hover {
  background-color: #fff;
  color: #1bb3e0;
}

@media screen and (max-width: 600px) {
  .flow-btn {
    width: 100%;
  }
}
.slick-prev,
.slick-next {
  z-index: 1;
}

@media screen and (max-width: 600px) {
  .slick-prev,
  .slick-next {
    top: auto;
    bottom: 30px;
  }
}
.slick-prev::before,
.slick-next::before {
  content: "";
  display: block;
  -webkit-transform: rotate(45deg) skew(10deg, 10deg);
          transform: rotate(45deg) skew(10deg, 10deg);
  width: 50px;
  height: 50px;
}

@media screen and (max-width: 600px) {
  .slick-prev::before,
  .slick-next::before {
    -webkit-transform: rotate(45deg) skew(5deg, 5deg);
            transform: rotate(45deg) skew(5deg, 5deg);
    width: 30px;
    height: 30px;
  }
}
.slick-prev {
  left: 40px;
}

@media screen and (max-width: 600px) {
  .slick-prev {
    left: 30px;
  }
}
.slick-prev::before {
  border-left: 3px solid #1bb3e0;
  border-bottom: 3px solid #1bb3e0;
}

.slick-next {
  right: 70px;
}

@media screen and (max-width: 600px) {
  .slick-next {
    right: 40px;
  }
}
.slick-next::before {
  border-top: 3px solid #1bb3e0;
  border-right: 3px solid #1bb3e0;
}

.slick-dots {
  left: 50%;
  bottom: 30px;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}

@media screen and (max-width: 600px) {
  .slick-dots {
    bottom: 35px;
  }
}
.slick-dots li button::before {
  content: "";
  top: 6px;
  left: 6px;
  background-color: #1bb3e0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

@media screen and (max-width: 600px) {
  .slick-current {
    overflow: auto;
  }
}
.link {
  background-color: #1bb3e0;
  padding: 80px 0;
  margin: 80px 0;
}
@media screen and (max-width: 600px) {
  .link {
    padding: 50px 0 60px;
    margin: 60px 0;
  }
}
.link-tit {
  color: #fff;
  font-size: 24px;
  font-weight: bold;
  text-align: center;
}
@media screen and (max-width: 600px) {
  .link-tit {
    font-size: 18px;
  }
}
.link-list {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  max-width: 1100px;
  margin: 40px auto 0;
}
@media screen and (max-width: 600px) {
  .link-list {
    grid-template-columns: 1fr;
    max-width: 425px;
    margin: 20px 20px 0;
  }
}
.link-item a {
  display: block;
  background-color: #fff;
  border-radius: 5px;
  -webkit-box-shadow: 3px 0 10px 0 rgba(0, 0, 0, 0.1);
          box-shadow: 3px 0 10px 0 rgba(0, 0, 0, 0.1);
}
.link-item a p {
  position: relative;
  font-size: 16px;
  font-weight: bold;
  padding: 8px 20px;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
@media screen and (max-width: 600px) {
  .link-item a p {
    font-size: 14px;
  }
}
.link-item a:hover p {
  opacity: 0.6;
}
.link-item a:hover .link-img img {
  -webkit-transform: scale(1.05) translate(-50%, -45%);
          transform: scale(1.05) translate(-50%, -45%);
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
.link-img {
  position: relative;
  width: 100%;
  height: 150px;
  border-radius: 5px 5px 0 0;
  overflow: hidden;
}
@media screen and (max-width: 600px) {
  .link-img {
    height: 130px;
  }
}
.link-img img {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -45%);
          transform: translate(-50%, -45%);
  width: 100%;
  height: auto;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
.link-arrow {
  position: absolute;
  top: 50%;
  right: 20px;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  display: block;
  width: 20px;
  height: 20px;
  border: 1px solid #000;
  border-radius: 50%;
  margin-left: 20px;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
@media screen and (max-width: 600px) {
  .link-arrow {
    width: 18px;
    height: 18px;
  }
}
.link-arrow img {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-48%, -48%);
          transform: translate(-48%, -48%);
  width: 12px;
}

.process {
  margin-bottom: 100px;
}
@media screen and (max-width: 600px) {
  .process {
    margin-bottom: 60px;
  }
}
.process-tit {
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 2px;
  text-align: center;
}
@media screen and (max-width: 600px) {
  .process-tit {
    font-size: 18px;
  }
}
.process-tit p {
  color: #1bb3e0;
  font-family: "Jost", sans-serif;
  font-size: 16px;
  margin-bottom: 10px;
}
@media screen and (max-width: 600px) {
  .process-tit p {
    font-size: 14px;
    margin-bottom: 0;
  }
}
.process-list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-column-gap: 20px;
     -moz-column-gap: 20px;
          column-gap: 20px;
  row-gap: 50px;
  max-width: 960px;
  margin: 70px auto 0;
}
@media screen and (max-width: 600px) {
  .process-list {
    row-gap: 40px;
    max-width: 425px;
    margin: 60px 20px 0;
  }
}
.process-item {
  position: relative;
  background-color: #f8f8f8;
  width: calc((100% - 60px) / 4);
  height: 110px;
  padding: 15px 0;
}
@media screen and (max-width: 600px) {
  .process-item {
    width: 100%;
  }
}
.process-item:not(:nth-child(4), :nth-child(8))::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -15px;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  border-left: 8px solid #1bb3e0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
}
@media screen and (max-width: 600px) {
  .process-item:not(:nth-child(4), :nth-child(8))::after {
    border-left: 10px solid transparent;
    border-top: 10px solid #1bb3e0;
    border-right: 10px solid transparent;
    top: auto;
    left: 50%;
    bottom: -35px;
    right: auto;
    -webkit-transform: translate(-50%, 0);
            transform: translate(-50%, 0);
  }
}
@media screen and (max-width: 600px) {
  .process-item:nth-child(4)::after {
    content: "";
    position: absolute;
    border-left: 10px solid transparent;
    border-top: 10px solid #1bb3e0;
    border-right: 10px solid transparent;
    left: 50%;
    bottom: -25px;
    -webkit-transform: translate(-50%, 0);
            transform: translate(-50%, 0);
  }
}
.process-item p {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  width: 100%;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
}
.process-item p a {
  display: block;
  max-width: 150px;
  background-color: #1bb3e0;
  color: #fff;
  font-size: 12px;
  border: 1px solid #1bb3e0;
  border-radius: 100vh;
  padding: 0 15px;
  margin: 5px auto 0;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
.process-item p a:hover {
  background-color: #fff;
  color: #1bb3e0;
}
.process-item span {
  font-family: "Jost", sans-serif;
  font-weight: bold;
  position: absolute;
  top: -15px;
  left: 15px;
  color: #1bb3e0;
  font-size: 60px;
}
@media screen and (max-width: 600px) {
  .process-item span {
    top: -8px;
  }
}

.join {
  background-color: #f8f8f8;
  padding: 80px 0 100px;
  margin-bottom: 80px;
}
@media screen and (max-width: 600px) {
  .join {
    padding: 50px 0 60px;
    margin-bottom: 50px;
  }
}
.join-tit {
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 2px;
  text-align: center;
}
@media screen and (max-width: 600px) {
  .join-tit {
    font-size: 18px;
  }
}
.join-tit p {
  color: #1bb3e0;
  font-family: "Jost", sans-serif;
  font-size: 16px;
  margin-bottom: 10px;
}
@media screen and (max-width: 600px) {
  .join-tit p {
    font-size: 14px;
    margin-bottom: 0;
  }
}
.join-list {
  max-width: 900px;
  margin: 40px auto 0;
}
@media screen and (max-width: 600px) {
  .join-list {
    max-width: 425px;
    margin: 30px 20px 0;
  }
}
.join-item {
  position: relative;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 60px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  background-color: #fff;
  border: 3px solid #1bb3e0;
  border-radius: 10px;
  padding: 40px 45px;
}
@media screen and (max-width: 600px) {
  .join-item {
    grid-template-columns: 1fr;
    gap: 15px;
    padding: 20px;
  }
}
.join-item h3 {
  color: #1bb3e0;
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 5px;
}
@media screen and (max-width: 600px) {
  .join-item h3 {
    font-size: 16px;
    text-align: center;
  }
}
.join-item:not(:last-child) {
  margin-bottom: 30px;
}
.join-item:not(:last-child)::after {
  content: "";
  position: absolute;
  bottom: -20px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  border-top: 20px solid #1bb3e0;
  border-left: 20px solid transparent;
  border-right: 20px solid transparent;
}
.join-step {
  font-family: "Jost", sans-serif;
  font-weight: bold;
  color: #1bb3e0;
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 0.1em;
  line-height: 0.8;
  text-align: center;
}
@media screen and (max-width: 600px) {
  .join-step {
    font-size: 16px;
  }
}
.join-step span {
  display: block;
  font-size: 52px;
  letter-spacing: 0;
  margin-top: 5px;
}
@media screen and (max-width: 600px) {
  .join-step span {
    font-size: 40px;
  }
}
.join-btn {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 15px;
  max-width: 320px;
  background: linear-gradient(60deg, #45f596 0%, #1dadfa 100%);
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  padding: 15px;
  border-radius: 100vh;
  -webkit-box-shadow: 3px 0 20px 0 rgba(0, 0, 0, 0.1);
          box-shadow: 3px 0 20px 0 rgba(0, 0, 0, 0.1);
  margin-top: 15px;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.join-btn:hover {
  opacity: 0.8;
}
.join-btn span {
  position: relative;
  display: block;
  width: 30px;
  height: 30px;
  background-color: #fff;
  border-radius: 50%;
}
.join-btn span::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-40%, -50%);
          transform: translate(-40%, -50%);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 10px solid #35e39d;
}

.cta {
  max-width: 1100px;
  margin: 40px auto;
}
.cta.bottom {
  margin: 80px auto 120px;
}
@media screen and (max-width: 600px) {
  .cta.bottom {
    margin: 60px 20px 80px;
  }
}
.cta.fixed {
  position: fixed;
  bottom: 30px;
  right: 0;
  display: none;
  margin: 0;
  z-index: 10;
}
@media screen and (max-width: 600px) {
  .cta.fixed {
    bottom: 10px;
    left: 50%;
    right: auto;
    -webkit-transform: translateX(-50%);
            transform: translateX(-50%);
  }
}
.cta.fixed .cta-btn {
  gap: 15px;
  max-width: 250px;
  font-size: 16px;
  border-radius: 100vh 0 0 100vh;
  padding: 15px;
}
@media screen and (max-width: 600px) {
  .cta.fixed .cta-btn {
    width: calc(100vw - 40px);
    max-width: 400px;
    border-radius: 100vh;
  }
}
.cta.fixed .cta-btn span {
  width: 45px;
  height: 45px;
}
@media screen and (max-width: 600px) {
  .cta.fixed .cta-btn span {
    width: 25px;
    height: 25px;
  }
}
.cta.fixed .cta-btn span::after {
  content: "";
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 15px solid #35e39d;
}
@media screen and (max-width: 600px) {
  .cta.fixed .cta-btn span::after {
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 8px solid #35e39d;
  }
}
.cta-btn {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 20px;
  max-width: 400px;
  background: linear-gradient(60deg, #45f596 0%, #1dadfa 100%);
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  border-radius: 100vh;
  -webkit-box-shadow: 3px 0 20px 0 rgba(0, 0, 0, 0.1);
          box-shadow: 3px 0 20px 0 rgba(0, 0, 0, 0.1);
  padding: 20px;
  margin: 0 auto;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
@media screen and (max-width: 600px) {
  .cta-btn {
    font-size: 18px;
    padding: 15px;
  }
}
.cta-btn:hover {
  opacity: 0.8;
}
.cta-btn span {
  position: relative;
  display: block;
  width: 30px;
  height: 30px;
  background-color: #fff;
  border-radius: 50%;
}
@media screen and (max-width: 600px) {
  .cta-btn span {
    width: 25px;
    height: 25px;
  }
}
.cta-btn span::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-40%, -50%);
          transform: translate(-40%, -50%);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 10px solid #35e39d;
}
@media screen and (max-width: 600px) {
  .cta-btn span::after {
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 8px solid #35e39d;
  }
}