@charset "UTF-8";
/* ---------------------------------------*/
/* keyvisual */
/* ---------------------------------------*/
#keyvisual {
  background: url(../img/about/keyvisual-background.jpg) no-repeat;
  background-size: cover;
  background-position: center;
}
@media screen and (max-width: 768px) {
  #keyvisual {
    background: url(../img/about/keyvisual-background-sp.jpg) no-repeat;
    background-size: 100%;
    background-position: center bottom;
  }
}

/* ---------------------------------------*/
/* main */
/* ---------------------------------------*/
main {
  padding: 100px 0 80px;
}
@media screen and (max-width: 768px) {
  main {
    padding: 25px 0 50px;
  }
}

/* ---------------------------------------*/
/* lead */
/* ---------------------------------------*/
@media screen and (max-width: 768px) {
  #lead {
    margin: 0 0 40px;
  }
}

.lead-content {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
      -ms-flex-pack: justify;
          justify-content: space-between;
  text-align: left;
}
@media screen and (max-width: 768px) {
  .lead-content {
    display: block;
    text-align: center;
  }
}

.lead-text-area {
  width: 50%;
}
@media screen and (max-width: 768px) {
  .lead-text-area {
    width: 100%;
  }
}

.lead-lead {
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.8;
  margin: -0.5em 60px 90px 0;
}
@media screen and (max-width: 768px) {
  .lead-lead {
    font-size: 1.35rem;
    letter-spacing: -0.1em;
    margin: 0 0 35px;
  }
}

.lead-image--sp {
  display: none;
}
@media screen and (max-width: 768px) {
  .lead-image--sp {
    display: block;
    margin: 0 -25px 35px;
  }
}

@media screen and (max-width: 768px) {
  .lead-list {
    border-top: solid 1px #231815;
  }
}

.lead-list__item {
  font-size: 1.8rem;
  font-weight: 400;
  line-height: 1.38;
  margin: 0 0 33px;
  padding: 0 0 0 1em;
  position: relative;
  letter-spacing: -0.05em;
}
.lead-list__item::before {
  content: "●";
  font-size: 1.4rem;
  position: absolute;
  top: 0.2em;
  left: 0;
}
.lead-list__item small {
  display: block;
  font-size: 1.2rem;
  margin: 0.7em 0 0;
}
.lead-list__item:last-child {
  margin: 0;
}
@media screen and (max-width: 768px) {
  .lead-list__item {
    font-size: 1.5rem;
    margin: 0;
    padding: 20px 0;
    border-bottom: solid 1px #231815;
  }
  .lead-list__item::before {
    display: none;
  }
  .lead-list__item small {
    font-size: 1.1rem;
    margin: 5px 0 0;
    letter-spacing: -0.06em;
  }
}

.lead-image-area {
  width: 48%;
}
@media screen and (max-width: 768px) {
  .lead-image-area {
    display: none;
  }
}

.lead-image-list__item {
  margin: 0 0 25px;
}
.lead-image-list__item:last-child {
  margin: 0;
}

/* ---------------------------------------*/
/* tech */
/* ---------------------------------------*/
#tech {
  padding: 0 0 375px;
  margin: 0 0 45px;
  position: relative;
}
@media screen and (max-width: 768px) {
  #tech {
    padding: 0 0 180px;
  }
}

.tech-content {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
      -ms-flex-pack: justify;
          justify-content: space-between;
  text-align: left;
}
@media screen and (max-width: 768px) {
  .tech-content {
    display: block;
  }
}

.tech-left {
  width: 49%;
}
@media screen and (max-width: 768px) {
  .tech-left {
    width: 100%;
    margin: 0 0 20px;
  }
}

@media screen and (max-width: 768px) {
  .tech-left-gray {
    background: #efefef;
    padding: 35px 0 22px;
    margin: 0 -25px 15px;
    text-align: center;
  }
}

.tech-section-heading {
  font-size: 4rem;
  font-weight: 400;
  line-height: 1;
  margin: 0 0 50px;
  padding: 30px 0 0;
  position: relative;
}
.tech-section-heading small {
  display: block;
  font-size: 2rem;
  font-weight: 500;
  margin: 15px 0 0;
}
.tech-section-heading::before {
  display: block;
  content: "";
  width: 91%;
  height: 1px;
  background: #000;
  position: absolute;
  top: -20px;
  left: 0;
}
@media screen and (max-width: 768px) {
  .tech-section-heading {
    font-size: 2.25rem;
    font-weight: 500;
    margin: 0 0 15px;
    padding: 0;
  }
  .tech-section-heading small {
    font-size: 1.55rem;
  }
  .tech-section-heading::before {
    display: none;
  }
}

.tech-left-image {
  width: 87%;
  margin: 0 auto 51px;
}
@media screen and (max-width: 768px) {
  .tech-left-image {
    width: 70%;
    margin: 0 auto;
  }
}

.tech-content-heading {
  font-size: 2rem;
  font-weight: 500;
  margin: 0 0 20px;
}
.tech-content-heading::before {
  content: "《";
}
.tech-content-heading::after {
  content: "》";
}
@media screen and (max-width: 768px) {
  .tech-content-heading {
    font-size: 1.55rem;
    text-align: center;
    margin: 0 0 15px;
  }
}

.tech-content-detail {
  width: 94%;
}
@media screen and (max-width: 768px) {
  .tech-content-detail {
    width: 100%;
  }
}

.tech-content-description {
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.83;
  margin: 0 0 95px;
  letter-spacing: -0.1em;
}
@media screen and (max-width: 768px) {
  .tech-content-description {
    font-size: 1.35rem;
    margin: 0 0 20px;
    letter-spacing: 0;
  }
}

.tech-content-heading-02 {
  font-size: 1.6rem;
  font-weight: 400;
  margin: 0 0 20px;
}
@media screen and (max-width: 768px) {
  .tech-content-heading-02 {
    font-size: 1.5rem;
    margin: 0 0 12px;
  }
}

.tech-content-heading-03 {
  font-size: 1.6rem;
  font-weight: 400;
  margin: 0 0 12px;
}
.tech-content-heading-03::before {
  content: "▶";
}
@media screen and (max-width: 768px) {
  .tech-content-heading-03 {
    font-size: 1.4rem;
    margin: 0 0 7px;
  }
}

.tech-graph {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
      -ms-flex-wrap: wrap;
          flex-wrap: wrap;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
      -ms-flex-pack: justify;
          justify-content: space-between;
  margin: 0 0 8px;
}
.tech-graph.left li {
  background: #fffcdb;
}
.tech-graph.right li {
  background: #eaeff9;
}
@media screen and (max-width: 768px) {
  .tech-graph {
    margin: 0;
  }
}

.tech-graph__item {
  width: 32%;
  border: solid 1px #231815;
  text-align: center;
  font-size: 1.3rem;
  font-weight: 400;
  padding: 2px 0;
  margin: 0 0 12px;
}
.tech-graph__item span {
  display: block;
  -webkit-transform: scale(0.6, 1);
          transform: scale(0.6, 1);
  white-space: nowrap;
  margin-left: -1.7em;
}
@media screen and (max-width: 768px) {
  .tech-graph__item {
    font-size: 1.2rem;
    margin: 0 0 10px;
  }
}

.tech-right {
  width: 48%;
}
.tech-right .tech-content-detail {
  margin-left: 6%;
}
@media screen and (max-width: 768px) {
  .tech-right {
    width: 100%;
  }
  .tech-right .tech-content-detail {
    margin-left: 0;
  }
}

.tech-right-image {
  margin: 25px 0 55px;
}
@media screen and (max-width: 768px) {
  .tech-right-image {
    display: none;
  }
}

.tech-bottom-image {
  height: 328px;
  background: url(../img/about/tech-bottom-image.jpg) no-repeat;
  background-size: cover;
  background-position: center;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
}
@media screen and (max-width: 768px) {
  .tech-bottom-image {
    height: 154px;
    background: url(../img/about/tech-bottom-image-sp.jpg) no-repeat;
    background-size: cover;
    background-position: center;
  }
}

/* ---------------------------------------*/
/* flow */
/* ---------------------------------------*/
#flow {
  padding: 0 0 755px;
  position: relative;
}
@media screen and (max-width: 768px) {
  #flow {
    padding: 0 0 290px;
  }
}

.flow-section-heading {
  font-size: 2rem;
  font-weight: 500;
  text-align: left;
  margin: 0 0 65px;
  padding: 30px 0 0;
  border-top: solid 1px #231815;
}
@media screen and (max-width: 768px) {
  .flow-section-heading {
    font-size: 1.55rem;
    text-align: center;
    padding: 0;
    margin: 0 0 35px;
    border: none;
  }
  .flow-section-heading::before {
    content: "《";
  }
  .flow-section-heading::after {
    content: "》";
  }
}

.flow-list__item {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  min-height: 108px;
  margin: 0 0 20px;
  position: relative;
}
.flow-list__item:last-child {
  margin: 0;
}
.flow-list__item::before {
  display: block;
  content: "";
  width: 108px;
  height: 108px;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  background-size: 100% !important;
  background-position: center !important;
}
.flow-list__item:nth-child(1)::before {
  background: url(../img/about/flow-step-01.png) no-repeat;
}
.flow-list__item:nth-child(2)::before {
  background: url(../img/about/flow-step-02.png) no-repeat;
}
.flow-list__item:nth-child(3)::before {
  background: url(../img/about/flow-step-03.png) no-repeat;
}
.flow-list__item:nth-child(4)::before {
  background: url(../img/about/flow-step-04.png) no-repeat;
}
.flow-list__item:nth-child(5)::before {
  background: url(../img/about/flow-step-05.png) no-repeat;
}
.flow-list__item:nth-child(6)::before {
  background: url(../img/about/flow-step-06.png) no-repeat;
}
.flow-list__item:nth-child(7)::before {
  background: url(../img/about/flow-step-07.png) no-repeat;
}
.flow-list__item:nth-child(8)::before {
  background: url(../img/about/flow-step-08.png) no-repeat;
}
@media screen and (max-width: 768px) {
  .flow-list__item {
    min-height: 66px;
    margin: 0 0 10px;
  }
  .flow-list__item::before {
    width: 66px;
    height: 66px;
  }
}

.flow-list-heading {
  width: calc(50% - 80px);
  font-size: 1.6rem;
  font-weight: 500;
  text-align: right;
}
@media screen and (max-width: 768px) {
  .flow-list-heading {
    width: calc(50% - 43px);
    font-size: 1.2rem;
  }
}

.flow-list-description {
  width: calc(50% - 80px);
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.78;
  text-align: left;
}
@media screen and (max-width: 768px) {
  .flow-list-description {
    width: calc(50% - 43px);
    font-size: 1.05rem;
    line-height: 1.57;
  }
}

.flow-bottom-image {
  height: 700px;
  background: url(../img/about/flow-bottom-image.jpg) no-repeat;
  background-size: cover;
  background-position: center;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}
@media screen and (max-width: 768px) {
  .flow-bottom-image {
    height: 240px;
    background: url(../img/about/flow-bottom-image-sp.jpg) no-repeat;
    background-size: cover;
    background-position: center;
  }
}

.flow-company_name {
  display: block;
  width: 168px;
  position: absolute;
  top: 110px;
  left: 50px;
  z-index: 2;
  opacity: 0.1;
}
@media screen and (max-width: 768px) {
  .flow-company_name {
    width: 82px;
    top: 60px;
    left: 25px;
  }
}

.flow-bottom-text {
  font-size: 1.3rem;
  text-align: right;
  margin: 27px 100px 0;
}
@media screen and (max-width: 768px) {
  .flow-bottom-text {
    font-size: 1rem;
    text-align: center;
    margin: 15px 0 0;
    letter-spacing: -0.1em;
  }
}