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

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.4rem;
  line-height: 1;
  letter-spacing: 0.1em;
  color: #3c3c3c;
  font-feature-settings: 'palt';
  overflow-x: hidden;
}

.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;
}

.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 {
  position: absolute;
  left: 19.2%;
  bottom: 6.6%;
  width: 25%;
}

.mv_btn::before {
  background-color: #fff;
  border-radius: 2.604vw;
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  width: 95%;
  height: 62%;
}

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

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

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

.container {
  /* max-width: 1220px; */
  margin: 0 auto;
  /* width: 62.5%; */
  width: 68.48958333333333%;
}

.concept {
  padding: 200px 0;
}

.concept_img {
  margin: 0 auto;
  width: 100%;
}

.introduce {
  padding: 0 0 11.5%;
}

.introduce_items {
  margin: 0 0 7.3%;
}

.introduce_items > div:not(:last-of-type) {
  margin: 0 0 10%;
}

.introduce_item_head {
  margin: 0 auto 40px;
  position: relative;
  width: 63.54166666666667%;
}

.introduce_item_head::before {
  border-top: 1px solid #231815;
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: -104%;
  height: 1px;
  margin: auto;
  width: 100%;
}

.introduce_item_head picture {
  display: block;
}

.introduce_item_head01 picture {
  width: 68.607%;
}

.introduce_item_head02 picture {
  width: 71.934426%;
}

.introduce_item_slider_col {
  opacity: 0.2;
}

.introduce_item_slider_col.swiper-slide-active {
  opacity: 1;
}

.introduce_item_slider_img {
  display: block;
  margin: 0 0 40px;
}

.introduce_item_slider_text {
  color: #000;
  /* font-size: 20px; */
  font-size: 1.042vw;
  line-height: 2em;
  margin: 0 auto;
  width: 63.2%;
}

.introduce_item_slider .swiper-button-prev,
.introduce_item_slider .swiper-button-next {
  color: #505050;
}

.introduce_item_slider .swiper-button-prev:after,
.introduce_item_slider .swiper-button-next:after {
  border-top: 8px solid #505050;
  border-right: 8px solid #505050;
  content: '';
  display: inline-block;
  margin: auto;
  transform: rotate(45deg);
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  height: 30px;
  width: 30px;
}

.introduce_item_slider .swiper-button-prev:after {
  transform: rotate(-135deg);
}

.introduce_item_slider .swiper-button-prev {
  top: 34%;
  left: 16%;
}

.introduce_item_slider .swiper-button-next {
  top: 34%;
  right: 16%;
}

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

.ranking {
  background: linear-gradient(180deg, #fff 0%, #fff 10%, var(--color-bg) 10%, var(--color-bg) 100%);
  background-color: var(--color-bg);
  padding: 0 0 60px;
}

.ranking_head {
  margin: -9% auto 0;
  width: 100%;
}

.ranking_items {
  border: 2px solid #fff;
  border-radius: 10px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 8% 6% 1%;
  margin: -4.2% auto 0;
}

.ranking_item {
  margin: 0 0 8%;
  width: 30%;
}

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

.circle_inner {
  margin: 0 auto;
  width: 100%;
}

.circle_img > picture {
  display: flex;
  justify-content: center;
  margin: 0 auto;
  /* width: 1585px; */
  width: 82.55208333333333%;
}

.circle_img {
  position: relative;
  margin: 0 0 126px;
}

.circle_btn {
  display: block;
  position: absolute;
  right: 0;
  bottom: -4%;
  left: 0;
  margin: auto;
  width: 60%;
}

.circle_btn::before {
  background-color: #fff;
  border-radius: 6.771vw;
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 6%;
  left: 0;
  margin: auto;
  width: 93%;
  height: 73%;
}

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

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

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

.circle_bottom {
  margin: 0 auto;
  width: 124px;
}

.cta {
  background-color: var(--color-bg);
  padding: 0 0 98px;
}

.cta_images {
  margin: 0 0 98px;
}

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

.cta_btn {
  display: block;
  position: relative;
  margin: 0 auto;
  width: 87.214%;
}

.cta_btn::before {
  background-color: #fff;
  border-radius: 6.771vw;
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 6%;
  left: 0;
  margin: auto;
  width: 93%;
  height: 73%;
}

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

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

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

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

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

.pageTop_btn:hover {
  opacity: .7;
}


.footer {
  border-top: 2px solid #000;
  letter-spacing: 0;
  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: 1920px) {
  .concept {
    padding: 10.417% 0;
  }
}

@media screen and (max-width: 1356px) {
  .ranking {
    padding: 0 0 4.4%;
  }

  .introduce_item_slider_text {
    width: 61%;
  }

  /* .circle_img > picture img {
    width: 117%;
  } */

  /* .circle_btn {
    bottom: 12px;
  } */

  .circle_bottom {
    width: 9.14454277286136%;
  }

  .circle_img {
    margin: 0 0 9.3%;
  }

  .cta {
    padding: 0 0 6%;
  }

  .cta_images {
    margin: 0 0 8%;
  }
}

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

  .is_sp {
    display: block;
  }

  html {
    font-size: 1.3333333333vw;
  }

  .header_wrap {
    height: 10rem;
  }

  .header_logo {
    width: 37rem;
  }

  .container {
    width: 84%;
  }

  .mv_btn {
    top: 48.8%;
    right: 0;
    left: 0;
    bottom: unset;
    margin: auto;
    width: 90%;
  }

  .concept {
    padding: 13.334% 0 30%;
  }

  .introduce {
    padding: 0 0 27%;
  }

  .introduce_items {
    margin: 0 0 30%;
  }

  .introduce_items > div:not(:last-of-type) {
    margin: 0 0 30%;
  }

  .introduce_item_head {
    margin: 0 auto 8%;
    width: 75.6%;
  }

  .introduce_item_head01 picture,
  .introduce_item_head02 picture {
    width: 100%;
  }

  .introduce_item_head::before {
    content: unset;
  }

  .introduce_item_slider .swiper-button-prev:after,
  .introduce_item_slider .swiper-button-next:after {
    border-top: 6px solid #505050;
    border-right: 6px solid #505050;
    height: 18px;
    width: 18px;
  }

  .introduce_item_slider .swiper-button-prev {
    top: 30%;
    left: 2%;
  }

  .introduce_item_slider .swiper-button-next {
    top: 30%;
    right: 2%;
  }

  .introduce_item_slider_img {
    margin: 0 0 6%;
  }
  
  .introduce_item_slider_text {
    font-size: 4.533vw;
    width: 83%;
  }

  .introduce_bottom {
    width: 18%;
  }

  .ranking {
    background: linear-gradient(180deg, #fff 0%, #fff 16%, var(--color-bg) 16%, var(--color-bg) 100%);
    padding: 0 0 10%;
  }

  .ranking .container {
    width: 100%;
  }

  .ranking_head {
    margin: -4% auto 8%;
    padding: 0 6% 0 0;
    width: 100%;
  }

  .ranking_items {
    border: 2px solid #fff;
    border-radius: 10px;
    padding: 8% 4% 1%;
    margin: 0 auto;
    width: 84%;
  }

  .ranking_item {
    margin: 0 0 10%;
    width: 45%;
  }

  .circle {
    padding: 0 0 20%;
  }

  .circle_img {
    margin: 0 0 34%;
  }

  .circle_img > picture {
    width: 100%;
  }

  .circle_img > picture img {
    width: 100%;
  }
  
  .circle_btn {
    bottom: -2.6%;
    width: 96%;
  }

  .circle_btn::before {
    border-radius: 26.667vw;
    bottom: 0;
    height: 82%;
    width: 96%;
  }
  
  .circle_bottom {
    width: 16%;
  }

  .cta {
    padding: 0 0 18%;
  }

  .cta .container {
    width: 95%;
  }

  .cta_btn {
    width: 100%;
  }

  .cta_btn::before {
    background-color: #fff;
    border-radius: 26.667vw;
    bottom: 1.8%;
    height: 84%;
    width: 97%;
  }

  .cta_images {
    margin: 0 0 16%;
  }

  .cta_images > div:not(:last-of-type) {
    margin: 0 0 6%;
  }

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

  .pageTop_btn {
    width: 20%;
  }

  .footer {
    padding: 3% 0;
  }

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