@charset "utf-8";
/* mv *********************************************************/
.index-mv {
  width: 100%;
  height: calc(100vh - 80px);
  background: #f1f1f1;
  position: relative;
  z-index: 1;
}
.index-mv::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.15);
}
.index-mv img {
  height: calc(100vh - 80px);
  object-fit: cover;
}
.index-mvTitle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 2;
}
.index-mvTitleInBox {
  display: inline-block;
  text-align: right;
}
.index-mvTitleInBox h2.h2-mainTitle {
  text-align: left;
  color: #fff;
}
.index-mvTitleInBox .btn-line {
  color: #fff;
  border-bottom-color: #fff;
}
/* intro *********************************************************/
.index-introWrap {
  display: flex;
  row-gap: 2rem;
  column-gap: 2rem;
}
.index-introTxt {
  width: 50%;
}
.index-introTxt p {
  margin-top: 0;
}
.index-introImg {
  width: 50%;
}
/* works *********************************************************/
.index-worksWrap {
  display: flex;
  column-gap: 1px;
}
.index-worksWrap li {
  width: calc(100% / 3);
  box-sizing: border-box;
  position: relative;
}
.index-worksDetail {
  position: absolute;
  width: calc(100% - 4rem);
  bottom: 2rem;
  left: 2rem;
}
.index-worksDetail .h3-styleA {
  color: #fff;
}
.index-worksDetail .btn-line {
  color: #fff;
  border-bottom-color: #fff;
}
a.index-worksBoxLink:hover {
  opacity: 0.9;
  transition: 0.8s;
}
/* Our Story *********************************************************/
.index-storyCnt {
  height: 400px;
  box-sizing: border-box;
  position: relative;
}
.index-storyCnt::after,
.index-storyCnt::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.index-storyCnt::after {
  background: url("../img/index-story.png") no-repeat center;
  background-size: cover;
  z-index: -2;
}
.index-storyCnt::before {
  background: rgba(0, 0, 0, 0.4);
  z-index: -1;
}
.index-storyTxt {
  position: absolute;
  width: calc(100% - 4rem);
  top: 50%;
  left: 2rem;
  transform: translateY(-50%);
}
.index-storyCnt .h2-styleA {
  color: #fff;
}
.index-storyCnt .btn-line {
  color: #fff;
  border-bottom-color: #fff;
}
/* Functional Benefit *********************************************************/
.index-fb {
  margin-bottom: 6rem;
}
.index-fb .index-fbFgr {
  border-top: solid 1px #212121;
  padding-top: 4rem;
}
.index-fb .index-fbEternity {
  border-top: solid 1px rgba(0, 0, 0, 0.16);
  border-bottom: solid 1px #212121;
  padding-top: 4rem;
  padding-bottom: 4rem;
  flex-direction: row-reverse;
  margin-top: 4rem;
}
.index-fbWrap {
  display: flex;
  row-gap: 2rem;
  column-gap: 2rem;
  align-items: center;
}
.index-fbImg {
  width: 45%;
}
.index-fbTxt {
  width: 55%;
}
.index-fbImg video {
  width: 100%;
}
@media screen and (max-width: 768px) {
  /* intro *********************************************************/

  /* works *********************************************************/
  .index-worksDetail {
    width: calc(100% - 3rem);
    bottom: 1.5rem;
    left: 1.5rem;
  }
  .index-worksDetail .h3-styleA {
    font-size: 1rem;
    margin-bottom: 0.5rem;
  }
  .index-worksDetail .btn-lineTxt {
    font-size: 0.85rem;
  }

  /* Our Story *********************************************************/
  .index-storyCnt {
    height: 375px;
  }
  .index-storyTxt {
    width: calc(100% - 3rem);
    top: 50%;
    left: 1.5rem;
  }
}
@media screen and (max-width: 550px) {
  /* mv *********************************************************/
  .index-mv {
    height: calc(92vh - 60px);
  }
  .index-mv img {
    height: calc(92vh - 60px);
  }
  .index-mvTitle {
    position: absolute;
    top: 75%;
    left: 0;
    transform: translate(0, -50%);
    text-align: left;
    z-index: 2;
  }
  .index-mvTitleInBox {
    text-align: left;
  }
  /* intro *********************************************************/
  .index-introWrap {
    row-gap: 1.5rem;
    column-gap: 1.5rem;
    flex-wrap: wrap;
  }
  .index-introTxt {
    width: 100%;
  }
  .index-introTxt p {
    margin: 0;
  }
  .index-introImg {
    width: 100%;
    margin-left: auto;
  }
  /* works *********************************************************/
  .index-worksWrap {
    flex-wrap: wrap;
    row-gap: 1px;
    column-gap: 0;
  }
  .index-worksWrap li {
    width: 100%;
  }
  .index-worksDetail .h3-styleA {
    font-size: 1.2rem;
    margin-bottom: 1rem;
  }
  .index-worksDetail .btn-lineTxt {
    font-size: 1;
  }
  /* Our Story *********************************************************/
  .index-storyCnt {
    height: 420px;
  }
  .index-storyCnt::after {
    background: url("../img/index-story_sp.png") no-repeat center;
    background-size: cover;
    z-index: -2;
  }
  .index-storyTxt {
    width: calc(100% - 2.5rem);
    top: 50%;
    left: 1.25rem;
  }
  /* Functional Benefit *********************************************************/
  .index-fb {
    margin-bottom: 4rem;
  }
  .index-fb .index-fbFgr {
    padding-top: 3rem;
  }
  .index-fb .index-fbEternity {
    padding-top: 3rem;
    padding-bottom: 3em;
    margin-top: 2em;
  }
  .index-fbWrap {
    display: flex;
    row-gap: 1.5rem;
    column-gap: 1rem;
    flex-wrap: wrap;
  }
  .index-fbTxt,
  .index-fbImg {
    width: 93%;
    margin: 0 auto;
  }
  .index-fbTxt .h2-styleA {
    margin-bottom: 1rem;
  }
}
@media screen and (max-width: 425px) {
  /* Our Story *********************************************************/
  .index-storyCnt {
    height: 300px;
  }
}