@charset "UTF-8";
/* ------------------------------------------
 *  _color.scss
 *  色変数設定
 * ------------------------------------------ */
/*--- 共通カラー ---*/
/*--- biobankカラー ---*/
/*--- brainbankカラー ---*/
/*--- トビラページカラー ---*/
/* ------------------------------------------
 *  _breakpoint.scss
 *  ブレークポイント設定
 * ------------------------------------------ */
/* ------------------------------------------
 *  _z-index.scss
 *  z-index設定
 * ------------------------------------------ */
.header {
  position: relative;
  z-index: 100;
}
.header .tmghignav {
  margin: 0 4rem;
  display: flex;
  align-items: center;
  height: 100%;
  min-height: 7rem;
}
@media screen and (max-width: 767.9px) {
  .header .tmghignav {
    min-height: 5rem;
    margin: 0 0 0 2rem;
  }
}
.header .tmghignav__logo {
  display: flex;
  width: 37rem;
  height: auto;
  aspect-ratio: 185/19;
  transition: opacity 0.3s;
}
@media screen and (min-width: 767.9px) {
  .header .tmghignav__logo:hover {
    opacity: 0.6;
  }
}
@media screen and (max-width: 767.9px) {
  .header .tmghignav__logo {
    width: 26rem;
    padding: 0;
  }
  .header .tmghignav__logo:active {
    opacity: 0.6;
  }
}
.header .tmghignav__block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.header .tmghignav__english {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  column-gap: 1rem;
  transition: opacity 0.3s;
  padding: 1rem 0;
}
.header .tmghignav__english .c-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  min-width: 2rem;
  height: auto;
  min-height: auto;
  aspect-ratio: 1/1;
  color: #FFFFFF;
  background-color: #A68557;
  border-radius: 50%;
  position: relative;
}
.header .tmghignav__english .c-arrow::after {
  content: "";
  display: inline-block;
  background: url(../img/icon_arrow.svg) no-repeat center/cover;
  width: 42.5%;
  height: auto;
  aspect-ratio: 1/1;
  position: absolute;
}
@media screen and (min-width: 767.9px) {
  .header .tmghignav__english:hover {
    opacity: 0.6;
  }
}
@media screen and (max-width: 767.9px) {
  .header .tmghignav__english {
    aspect-ratio: 11/10;
    min-width: 5.5rem;
    width: auto;
    height: 100%;
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1;
    color: #222222;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    row-gap: 0.75rem;
    padding: 0;
  }
  .header .tmghignav__english .c-arrow {
    display: none;
  }
  .header .tmghignav__english::before {
    content: "";
    display: inline-block;
    background: url(../img/icon_earth.svg) no-repeat center/cover;
    width: 1.8rem;
    height: 1.8rem;
  }
  .header .tmghignav__english:active {
    opacity: 0.6;
  }
}

.enterpage {
  width: 100%;
  height: calc(100vh - 7rem);
  height: calc(100svh - 7rem);
  display: flex;
}
@media screen and (max-width: 767.9px) {
  .enterpage {
    height: calc(100vh - 5rem);
    height: calc(100svh - 5rem);
    flex-direction: column;
  }
}
.enterpage__brainbank, .enterpage__biobank {
  background-color: #FFFFFF;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  width: 50%;
  height: 100%;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 6rem 0;
  overflow: hidden;
}
@media screen and (max-width: 767.9px) {
  .enterpage__brainbank, .enterpage__biobank {
    justify-content: flex-end;
    width: 100%;
    gap: 2rem 0;
    padding-bottom: 3rem;
  }
}
.enterpage__brainbank__btn, .enterpage__biobank__btn {
  position: relative;
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.4;
  max-width: 40rem;
  width: calc(100% - 4rem);
  min-height: 8rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border-style: solid;
  border-width: 0.2rem;
  transition: background-color 0.3s, color 0.3s;
  filter: drop-shadow(0 0.5rem 1rem rgba(0, 0, 0, 0.25));
  background-color: #A68557;
  color: #FFFFFF;
  border-color: #A68557;
}
.enterpage__brainbank__btn::after, .enterpage__biobank__btn::after {
  content: "";
  display: flex;
  background-color: #FFFFFF;
  background-size: 37%;
  background-position: center;
  background-repeat: no-repeat;
  background-image: url(../img/icon_arrow_tobira.svg);
  border-radius: 50%;
  width: 2rem;
  min-width: 2rem;
  height: auto;
  aspect-ratio: 1/1;
  position: absolute;
  right: 1.8rem;
}
@media screen and (min-width: 767.9px) {
  .enterpage__brainbank__btn:hover, .enterpage__biobank__btn:hover {
    background-color: #FFFFFF;
    color: #A68557;
  }
  .enterpage__brainbank__btn:hover::after, .enterpage__biobank__btn:hover::after {
    background-color: #A68557;
    background-image: url(../img/icon_arrow.svg);
  }
}
@media screen and (max-width: 767.9px) {
  .enterpage__brainbank__btn, .enterpage__biobank__btn {
    min-height: 5rem;
    font-size: 1.8rem;
  }
  .enterpage__brainbank__btn:active, .enterpage__biobank__btn:active {
    background-color: #FFFFFF;
    color: #A68557;
  }
  .enterpage__brainbank__btn:active::after, .enterpage__biobank__btn:active::after {
    background-color: #A68557;
    background-image: url(../img/icon_arrow.svg);
  }
}
.enterpage__brainbank {
  background-image: url(../img/bg_brainbank.png);
}
.enterpage__brainbank__title {
  display: inline-block;
  max-width: 70rem;
  width: 80%;
  height: auto;
  aspect-ratio: 172/123;
}
@media screen and (max-width: 767.9px) {
  .enterpage__brainbank__title {
    height: calc(100% - 12rem);
    max-width: calc(100% - 4rem);
    width: auto;
    display: flex;
    align-items: center;
  }
}
.enterpage__biobank {
  background-image: url(../img/bg_biobank.png);
}
.enterpage__biobank__title {
  display: inline-block;
  max-width: 70rem;
  width: 80%;
  height: auto;
  aspect-ratio: 172/123;
}
@media screen and (max-width: 767.9px) {
  .enterpage__biobank__title {
    height: calc(100% - 10rem);
    max-width: calc(100% - 4rem);
    width: auto;
    display: flex;
    align-items: center;
  }
}