/* ---------------------------------------*/
/* keyvisual */
/* ---------------------------------------*/
#keyvisual {
  aspect-ratio: 1920/870;
  background: url(../img/keyvisual_bg.webp) no-repeat center/cover;
  margin: 0;
}
@media screen and (max-width: 768px) {
  #keyvisual {
    aspect-ratio: 390/450;
    background: url(../img/keyvisual_bg-sp.webp) no-repeat center/cover;
    margin: 0;
  }
}

/* ---------------------------------------*/
/* concept */
/* ---------------------------------------*/
#concept {
  padding: 3.3vw 5.2vw 5.2vw;
  position: relative;
}
@media screen and (max-width: 768px) {
  #concept {
    padding: 4vw 7.6vw 11.5vw;
  }
}

.concept-section_heading {
  width: 5.58vw;
  margin: 0 0 5vw;
}
@media screen and (max-width: 768px) {
  .concept-section_heading {
    width: 8.2vw;
    margin: 0 0 10vw;
  }
}

.concept-subtitle {
  font-weight: 400;
  font-size: 5.99vw;
  line-height: 1.39;
  text-align: left;
  color: #008794;
  margin: -2vw 0 0;
  position: relative;
}
@media screen and (max-width: 768px) {
  .concept-subtitle {
    font-size: 8.974vw;
    line-height: 1.3;
    margin: -5vw 0 0;
    z-index: 3;
  }
}

.concept-image-01 {
  width: 47.2vw;
  position: absolute;
  top: 9.8vw;
  right: 0;
  z-index: 2;
}
@media screen and (max-width: 768px) {
  .concept-image-01 {
    width: 60.2vw;
    top: 34.6vw;
  }
}

.concept-image-02 {
  width: 58.6vw;
  position: absolute;
  top: 27.3vw;
  left: 0;
}
@media screen and (max-width: 768px) {
  .concept-image-02 {
    width: 60.2vw;
    top: 70.5vw;
  }
}

.section-text {
  margin: 50vw auto 0;
  text-align: left;
}
@media screen and (max-width: 768px) {
  .section-text {
    margin: 84.6vw auto 0;
  }
}

.section-desc {
  width: 30em;
  font-weight: 500;
  font-size: 1.82vw;
  line-height: 2.14;
  margin: 0 0 1.5em calc(100% - 30em);
}
.section-desc:last-of-type {
  margin: 0 0 0 calc(100% - 30em);
}
@media screen and (max-width: 768px) {
  .section-desc {
    width: 100%;
    font-size: 3.3vw;
    margin: 0 0 1em;
  }
  .section-desc:last-of-type {
    margin: 0;
  }
}

/* ---------------------------------------*/
/* product */
/* ---------------------------------------*/
#product {
  padding: 0 5.2vw 34.8vw;
  margin: 0 0 13.3vw;
  position: relative;
}
@media screen and (max-width: 768px) {
  #product {
    padding: 0 7.6vw 0;
    margin: 0 0 15vw;
  }
}

.product-colored {
  margin: 0 -5.2vw 7.2vw;
  padding: 3.1vw 5.2vw 5.2vw;
  background: #3e3a39;
}
@media screen and (max-width: 768px) {
  .product-colored {
    margin: 0 -7.6vw 7.2vw;
    padding: 4vw 7.6vw 65.3vw;
  }
}

.product-section-heading {
  width: 4.21vw;
  margin: 0 0 5.2vw;
}
@media screen and (max-width: 768px) {
  .product-section-heading {
    width: 7.6vw;
    margin: 0 0 8vw;
  }
}

.product-subtitle {
  font-weight: 400;
  font-size: 3.385vw;
  line-height: 1.39;
  text-align: left;
  color: #fff;
  margin: 0 0 5.2vw;
}
@media screen and (max-width: 768px) {
  .product-subtitle {
    font-size: 4.2vw;
    margin: 0 0 7vw;
  }
}

.product-text {
  width: 48%;
  text-align: left;
  color: #fff;
}
@media screen and (max-width: 768px) {
  .product-text {
    width: 100%;
  }
}

.product-desc {
  font-weight: 500;
  font-size: 1vw;
  line-height: 2.14;
  margin: 0 0 1.5em;
}
.product-desc:last-of-type {
  margin: 0;
}
@media screen and (max-width: 768px) {
  .product-desc {
    width: 100%;
    font-size: 3.3vw;
  }
  .product-desc:last-of-type {
    margin: 0;
  }
}

.product-skill {
  width: 42vw;
  position: absolute;
  top: 25vw;
  right: 5.2vw;
}
@media screen and (max-width: 768px) {
  .product-skill {
    width: 100%;
    position: relative;
    top: 0;
    right: 0;
    margin: -60vw auto 9.4vw;
  }
}

.product-skill-image {
  margin: 0 0 3.1vw;
}
@media screen and (max-width: 768px) {
  .product-skill-image {
    margin: 0 0 10.2vw;
  }
}

.product-skill-text {
  text-align: left;
  color: #3e3a39 !important;
}

.product_image-02 {
  width: 47.5vw;
  margin: 0 0 0 -5.2vw;
}
@media screen and (max-width: 768px) {
  .product_image-02 {
    width: 75.6vw;
    margin: 0 -7.6vw 6.4vw auto;
  }
}

.product_image-03 {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
}
@media screen and (max-width: 768px) {
  .product_image-03 {
    position: relative;
    margin: 0 -7.6vw;
  }
}

/* ---------------------------------------*/
/* about */
/* ---------------------------------------*/
#about {
  padding: 0 5.2vw 0;
  position: relative;
}
@media screen and (max-width: 768px) {
  #about {
    padding: 0 7.6vw 0;
  }
}

.about-section-heading {
  width: 3.38vw;
  margin: 0 0 5.2vw;
}
@media screen and (max-width: 768px) {
  .about-section-heading {
    width: 6.15vw;
    margin: 0 0 10vw;
  }
}

.about-greeting {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  margin: 0 0 7.8vw;
}
@media screen and (max-width: 768px) {
  .about-greeting {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
}

.about-greeting-text {
  width: 42%;
  text-align: left;
}
@media screen and (max-width: 768px) {
  .about-greeting-text {
    width: 100%;
    margin: 0 0 10vw;
  }
}

.about-subtitle {
  font-weight: 400;
  font-size: 3.385vw;
  line-height: 1.39;
  margin: -1.6vw 0 4vw;
}
@media screen and (max-width: 768px) {
  .about-subtitle {
    font-size: 8.3vw;
    margin: 0 0 7vw;
  }
}

.about-greeting-image {
  width: 53.7%;
}
@media screen and (max-width: 768px) {
  .about-greeting-image {
    width: auto;
    margin: 0 -7.6vw 0;
  }
}

.about-desc {
  font-weight: 500;
  font-size: 1.094vw;
  line-height: 2.14;
  margin: 0 0 1.5em;
}
.about-desc:last-of-type {
  margin: 0;
}
@media screen and (max-width: 768px) {
  .about-desc {
    width: 100%;
    font-size: 3.3vw;
    margin: 0 0 1em;
  }
}

.about-history {
  margin: 0 0 7.8vw;
}
@media screen and (max-width: 768px) {
  .about-history {
    margin: 0 0 10vw;
  }
}

.about-history-heading,
.about-outline-heading,
.about-access-heading {
  font-weight: 400;
  font-size: 3.13vw;
  margin: 0 0 4.6vw;
}
@media screen and (max-width: 768px) {
  .about-history-heading,
  .about-outline-heading,
  .about-access-heading {
    font-size: 4.62vw;
    margin: 0 0 7.6vw;
  }
}

.about-history-list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  width: 60%;
  margin: 0 auto 4.1vw;
  font-weight: 400;
  font-size: 1.46vw;
  text-align: left;
}
@media screen and (max-width: 768px) {
  .about-history-list {
    width: 100%;
    margin: 0 0 10vw;
    font-size: 2.31vw;
  }
}

.about-history-list__term {
  width: 25%;
  margin: 0 0 1.5em;
}
.about-history-list__term:last-of-type {
  margin: 0;
}
.about-history-list__desc {
  width: 75%;
}
.about-history-image {
  margin: 0 -5.2vw;
}
@media screen and (max-width: 768px) {
  .about-history-image {
    margin: 0 -7.6vw;
  }
}

.about-outline {
  margin: 0 0 7.8vw;
}
@media screen and (max-width: 768px) {
  .about-outline {
    margin: 0 0 10vw;
  }
}

.about-outline-list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  width: 60%;
  margin: 0 auto;
  font-weight: 400;
  font-size: 1.46vw;
  text-align: left;
}
@media screen and (max-width: 768px) {
  .about-outline-list {
    width: 100%;
    font-size: 2.31vw;
  }
}

.about-outline-list__term {
  width: 30%;
  padding: 20px 0 29px 40px;
  border-bottom: solid 1px #3e3a39;
}
@media screen and (max-width: 768px) {
  .about-outline-list__term {
    padding: 10px 0 10px 10px;
  }
}

.about-outline-list__desc {
  width: 70%;
  padding: 20px 40px 20px 0;
  border-bottom: solid 1px #3e3a39;
}
.about-outline-list__desc li {
  margin-bottom: 1.5em;
}
.about-outline-list__desc li:last-child {
  margin: 0;
}
@media screen and (max-width: 768px) {
  .about-outline-list__desc {
    padding: 10px 10px 10px 0;
  }
}

.about-access-map {
  width: 79%;
  aspect-ratio: 1520/768;
  margin: 0 auto 7.5vw;
}
.about-access-map iframe {
  width: 100%;
  height: 100%;
}
@media screen and (max-width: 768px) {
  .about-access-map {
    width: 100%;
    aspect-ratio: 330/165;
    margin: 0 auto 7.6vw;
  }
}

.about-access-image {
  margin: 0 -5.2vw;
}
@media screen and (max-width: 768px) {
  .about-access-image {
    margin: 0 -7.6vw;
  }
}