.pre-inc {
  position: relative;
  padding-top: 100px;
  padding-bottom: 80px;
  background: #fff;
}
.pre-inc .concept_wrapp {
  width: 100%;
}
.pre-inc .concept_wrapp .mainvisual_area {
  margin: min(4.6875vw, 60px) 0 min(12.5vw, 160px);
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .mainvisual_area {
    height: 90vh;
    /*margin: min(vw-sp(150), 150px) 0 min(vw-sp(215), 215px);*/
    margin: 0;
  }
}
.pre-inc .concept_wrapp .mainvisual_area h2 {
  position: relative;
  text-align: center;
}
.pre-inc .concept_wrapp .mainvisual_area h2 img {
  height: 68px;
  width: auto;
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .mainvisual_area h2 img {
    height: min(12.5714285714vw, 88px);
  }
}
.pre-inc .concept_wrapp .mainvisual_area h2::after {
  position: absolute;
  bottom: -26px;
  left: 50%;
  translate: 0 100%;
  content: "";
  width: 1px;
  height: 118px;
  background: #000;
  animation: line 0.5s linear;
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .mainvisual_area h2::after {
    height: min(22vw, 154px);
  }
}
@keyframes line {
  from {
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
  }
  to {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }
}
.pre-inc .concept_wrapp .mainvisual_area .concept_copy {
  margin-top: 185px;
  text-align: center;
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .mainvisual_area .concept_copy {
    margin-top: min(34.2857142857vw, 240px);
  }
}
.pre-inc .concept_wrapp .mainvisual_area .concept_copy img {
  width: auto;
  height: 283.2px;
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .mainvisual_area .concept_copy img {
    height: min(48.8571428571vw, 342px);
  }
}
.pre-inc .concept_wrapp .scroll_area {
  position: relative;
  height: 600vh;
}
.pre-inc .concept_wrapp .scroll_area .slide_wrapp {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}
.pre-inc .concept_wrapp .scroll_area .slide {
  position: absolute;
  z-index: 0;
  inset: 0;
  background-size: cover;
  background-position: center;
  display: grid;
  place-content: center;
  color: #fff;
  opacity: 0;
  transition: opacity 1s ease-out;
}
.pre-inc .concept_wrapp .scroll_area .slide:nth-of-type(1) {
  background-image: url(../images/concept/bg_slide01_pc.jpg);
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .scroll_area .slide:nth-of-type(1) {
    background-image: url(../images/concept/bg_slide01_sp.jpg);
  }
}
.pre-inc .concept_wrapp .scroll_area .slide:nth-of-type(2) {
  background-image: url(../images/concept/bg_slide02_1_pc.jpg);
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .scroll_area .slide:nth-of-type(2) {
    background-image: url(../images/concept/bg_slide02_1_sp.jpg);
  }
}
.pre-inc .concept_wrapp .scroll_area .slide:nth-of-type(3) {
  background-image: url(../images/concept/bg_slide03_pc.jpg);
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .scroll_area .slide:nth-of-type(3) {
    background-image: url(../images/concept/bg_slide03_sp.jpg);
  }
}
.pre-inc .concept_wrapp .scroll_area .slide:nth-of-type(4) {
  background-image: url(../images/concept/bg_slide04_pc.jpg);
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .scroll_area .slide:nth-of-type(4) {
    background-image: url(../images/concept/bg_slide04_sp.jpg);
  }
}
.pre-inc .concept_wrapp .scroll_area .slide::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background: rgba(0, 0, 0, 0.7);
}
.pre-inc .concept_wrapp .scroll_area .slide__text {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 2.6875;
  letter-spacing: 0.1em;
  text-align: center;
}
.pre-inc .concept_wrapp .scroll_area .slide__text small {
  font-size: 70%;
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .scroll_area .slide__text {
    font-size: min(4vw, 28px);
  }
}
.pre-inc .concept_wrapp .scroll_area .slide__msg {
  margin-top: 2em;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 26px;
  font-weight: 600;
  line-height: 2;
  font-feature-settings: "palt";
  letter-spacing: 0.12em;
  text-align: center;
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .scroll_area .slide__msg {
    font-size: min(4.8571428571vw, 34px);
  }
}
.pre-inc .concept_wrapp .scroll_area .slide__text,
.pre-inc .concept_wrapp .scroll_area .slide__msg {
  opacity: 0;
  transform: translateY(30px);
  transition-property: opacity, transform;
  transition-duration: 0.6s;
  transition-timing-function: ease-out;
  transition-delay: 1s;
}
.pre-inc .concept_wrapp .scroll_area .slide__text sup,
.pre-inc .concept_wrapp .scroll_area .slide__msg sup {
  font-size: 50%;
}
.pre-inc .concept_wrapp .scroll_area .slide__cap {
  position: absolute;
  bottom: 1em;
  right: 1em;
  pointer-events: none;
  font-size: 10px;
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .scroll_area .slide__cap {
    font-size: min(2vw, 14px);
  }
}
.pre-inc .concept_wrapp .scroll_area .slide__cap.type1 {
  right: initial;
  bottom: calc(50% + 1.5em);
  left: 1em;
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .scroll_area .slide__cap.type1 {
    bottom: calc(68.6219739292% + 1.5em);
  }
}
.pre-inc .concept_wrapp .scroll_area .slide__cap.type2 {
  bottom: calc(50% + 1.5em);
  right: 1em;
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .scroll_area .slide__cap.type2 {
    bottom: calc(68.6219739292% + 1.5em);
  }
}
.pre-inc .concept_wrapp .scroll_area .slide__cap.type3 {
  right: initial;
  bottom: 1em;
  left: 1em;
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .scroll_area .slide__cap.type3 {
    left: initial;
    right: 1em;
  }
}
.pre-inc .concept_wrapp .scroll_area .slide__cap.type4 {
  bottom: 1em;
  right: 1em;
}
@media screen and (max-width: 767px) {
  .pre-inc .concept_wrapp .scroll_area .slide__cap.type4 {
    bottom: calc(41.8994413408% + 1.5em);
  }
}
.pre-inc .concept_wrapp .scroll_area .slide.is-active {
  opacity: 1;
}
.pre-inc .concept_wrapp .scroll_area .slide.is-active .slide__text,
.pre-inc .concept_wrapp .scroll_area .slide.is-active .slide__msg {
  opacity: 1;
  transform: translateY(0);
}
.pre-inc div.exp p {
  border-top: none;
}/*# sourceMappingURL=concept.css.map */