:root {
  --color-bg: #fcfce9;
}

html {
  scroll-behavior: smooth;
}

body {
  color: #3c3c3c;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.4rem;
  line-height: 1;
}

.yu_gothic {
  font-family: '游ゴシック体', YuGothic, '游ゴシック', 'Yu Gothic', 'メイリオ', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', sans-serif;
}

.yu_mincho {
  font-family: '游明朝体', 'Yu Mincho', YuMincho, 'ヒラギノ明朝 Pro', 'Hiragino Mincho Pro', 'MS P明朝', 'MS PMincho', sans-serif;
}

.noto_serif {
  font-family: 'Noto Serif JP', serif;
}

main {
  background-color: var(--color-bg);
}

.header_wrap {
  background-color: #fff;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  height: 5.6rem;
}

.header_logo {
  width: 21.5rem;
}

.mv_img {
  position: relative;
}

.mv_btn {
  display: block;
  position: absolute;
  bottom: 16%;
  left: 20%;
  width: 28%;
}

.mv_btn::before {
  background-color: #fff;
  border-radius: 3.604vw;
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: .5%;
  left: 0;
  margin: auto;
  width: 95.7%;
  height: 67%;
}

.mv_btn picture {
  position: relative;
  z-index: 99999;
}

.mv_btn img {
  opacity: 1;
  transition: 0.2s;
}

.mv_btn img:hover {
  opacity: .7;
}

.concept {
  padding: 0 0 6%;
}

.concept_images {
  margin: 0;
}

.concept_arrow {
  margin: 0 auto;
  width: 6.45833333333333%;
}

.introduce_bg.bg01 {
  background-color: var(--color-bg);
}

.introduce_bg.bg02 {
  background: linear-gradient(225deg, rgba(172, 193, 163, 1) 0%, rgba(202, 216, 190, 1) 100%);
  margin: -11.4% 0 0;
  padding: 0 0 3%;
}

.introduce_border {
  border: 2px solid #fff;
  margin: 0 auto;
  width: 68.48958333333333%;
}

.introduce_bg.bg01 .introduce_border {
  border-bottom: none;
  border-radius: 10px 10px 0 0;
  padding: 18px 18px 0;
}

.introduce_bg.bg02 .introduce_border {
  border-top: none;
  border-radius: 0 0 10px 10px;
  padding: 0 18px 18px;
  margin: 0 auto 4%;
}

.introduce_inner {
  background-color: #fff;
}

.introduce_bg.bg01 .introduce_inner {
  border-radius: 10px 10px 0 0;
}

.introduce_bg.bg02 .introduce_inner {
  border-radius: 0 0 10px 10px;
}

.introduce_head {
  margin: 0;
  width: 96.863%;
  transform: translate(-1.6%, -27%);
}

.introduce_items {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin: 0 auto;
  padding: 8% 0 0;
  width: 74.51%;
}

.introduce_item {
  margin: 0 0 8%;
  width: 45%;
}

.introduce_btn {
  display: block;
  margin: 0 auto 3%;
  position: relative;
  width: 55.390625%;
}

.introduce_btn::before {
  background-color: #fff;
  border-radius: 5.604vw;
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 5.2%;
  left: 0;
  margin: auto;
  width: 93.14%;
  height: 73.8%;
}

.introduce_btn picture {
  position: relative;
  z-index: 99999;
}

.introduce_btn img {
  opacity: 1;
  transition: 0.2s;
}

.introduce_btn img:hover {
  opacity: .7;
}

.introduce_arrow {
  margin: 0 auto;
  width: 6.30208333333333%;
}

.cta_images {
  margin: -2% auto 4%;
  width: 68.48958333333333%;
}

.cta_images > div:not(:last-of-type) {
  margin: 0 0 2%;
}

.pageTop {
  padding: 3.48% 0 8%;
}

.pageTop_btn {
  display: block;
  margin: 0 auto;
  opacity: 1;
  transition: 0.2s;
  width: 8.752%;
}

.pageTop_btn:hover {
  opacity: .7;
}

.footer {
  padding: 30px 0;
}

.footer_copy {
  color: #000;
  font-size: 15px;
  text-align: center;
}

.is_pc {
  display: block;
}

.is_sp {
  display: none;
}

@media screen and (max-width: 768px) {
  .is_pc {
    display: none;
  }

  .is_sp {
    display: block;
  }

  html {
    font-size: 1.3333333333vw;
  }

  .header {
    position: relative;
    z-index: 10;
  }

  .header_wrap {
    height: 10rem;
  }

  .header_logo {
    width: 37rem;
  }

  .mv {
    margin: 0;
  }

  .mv_btn {
    right: 0;
    bottom: 45%;
    left: 0;
    width: 100%;
  }

  .mv_btn::before {
    border-radius: 12.604vw;
    height: 64%;
    width: 93.7%;
  }

  .concept {
    padding: 0 0 45%;
  }

  .concept_arrow {
    width: 18%;
  }

  .introduce_border {
    width: 92%;
  }

  .introduce_head {
    width: 112%;
    transform: translate(-7%, -25%);
  }

  .introduce_bg.bg02 {
    margin: -44% 0 0;
    padding: 0 0 3%;
  }

  .introduce_bg.bg01 .introduce_border {
    padding: 2% 2% 0;
  }

  .introduce_bg.bg02 .introduce_border {
    padding: 0 2% 2%;
    margin: 0 auto 12%;
  }

  .introduce_items {
    flex-direction: column;
    padding: 18% 0 6%;
    width: 86%;
  }

  .introduce_item {
    margin: 0 0 8%;
    width: 100%;
  }

  .introduce_btn {
    margin: 0 auto 16%;
    width: 96%;
  }

  .introduce_btn::before {
    background-color: #fff;
    border-radius: 12.604vw;
    bottom: .6%;
    height: 77.8%;
    width: 94.14%;
  }

  .introduce_arrow {
    margin: 0 auto 10%;
    width: 16%;
  }

  .cta_images {
    margin: 0 auto 12%;
    width: 90%;
  }
  
  .cta_images > div:not(:last-of-type) {
    margin: 0 0 10%;
  }

  .pageTop {
    padding: 8% 0 10%;
  }

  .pageTop_btn {
    width: 20%;
  }

  .footer {
    padding: 3% 0;
  }

  .footer_copy {
    font-size: 2.933vw;
  }
}