a {
  color: inherit;
  text-decoration: none
}

img {
  max-width: 100%;
  display: block;
  width: auto;
}

picture {
  display: block
}

@media screen and (max-width: 767px) {
  .pc {
    display: none !important
  }
}

@media screen and (min-width: 768px) {
  .sp {
    display: none !important
  }
}


.yumin {
  font-family: "游明朝", YuMincho, "ヒラギノ明朝 Pro W3", "Hiragino Mincho Pro", "ＭＳ Ｐ明朝", "MS PMincho", serif
}

.marcellus {
  font-family: Marcellus, serif;
  letter-spacing: .1em
}

.eb {
  font-family: 'EB Garamond', serif;
  letter-spacing: .05em
}

.large-frame {
  background: #f8f9fd
}

@media screen and (min-width: 768px) {
  .large-frame {
    min-width: 1100px
  }
}

@media screen and (min-width: 768px) {
  main {
    /* padding-top: 100px */
  }
}

* {
  box-sizing: border-box
}

.products-common .l-container-header {
  position: relative
}

@media screen and (min-width: 768px) {
  .products-series .l-container-header.stemscience {
    background: url(../../../../images/product-detail/episteme/c/stemscience_v2.png) no-repeat center;
    background-size: 1366px;
    background-color: #010101;
    height: 500px;
    justify-content: flex-end;
    align-items: center;
    padding-right: calc(270 / 1366 * 100%)
  }

  .products-series .l-container-header.stemscience .products-series-title {
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    text-align: center
  }

  .products-series .l-container-header.stemscience .products-series-title .en {
    font-size: 48px;
    line-height: 1
  }

  .products-series .l-container-header.stemscience .products-series-title .ja {
    display: inline-block;
    font-size: 14px;
    margin-top: 10px
  }
}


@media screen and (min-width: 768px) {
  .products-series .l-container-header {
    display: flex
  }
}

@media screen and (max-width: 767px) {
  .products-series .l-container-header {
    width: 100%;
    padding-top: calc(200 / 375 * 100%)
  }
}




@media screen and (max-width: 767px) {
  .products-series .l-container-header.cliniscience {
    background: url(../../../../images/product-detail/episteme/c/cliniscience_v2.sp.png) no-repeat center/cover;
    padding-top: calc(210 / 375 * 100%)
  }

  .products-series .l-container-header.cliniscience .heading-wrapper {
    position: absolute;
    height: 100%;
    top: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-right: calc(20 / 375 * 100%)
  }

  .products-series .l-container-header.cliniscience .products-series-title {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    color: #fff
  }

  .products-series .l-container-header.cliniscience .products-series-title .en {
    font-size: 5.86667vw
  }

  .products-series .l-container-header.cliniscience .products-series-title .ja {
    font-size: 2.66667vw
  }
}

@media screen and (min-width: 768px) {
  .products-series .l-container-header.cliniscience .main-txt {
    display: flex;
    justify-content: center
  }
}

@media screen and (max-width: 767px) {
  .products-series .l-container-header.cliniscience .main-txt {
    display: inline-block;
    margin-top: 15px
  }
}


@media screen and (max-width: 767px) {
  .products-series .l-container-header.stemscience {
    background: url(../../../../images/product-detail/episteme/c/stemscience_v2.sp.png) no-repeat center/cover
  }

  .products-series .l-container-header.stemscience .products-series-title {
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    top: 0;
    bottom: 0;
    right: calc(20 / 375 * 100%);
    margin: auto;
    text-align: center
  }

  .products-series .l-container-header.stemscience .products-series-title .en {
    font-size: 6.4vw
  }

  .products-series .l-container-header.stemscience .products-series-title .ja {
    font-size: 2.66667vw
  }
}

@media screen and (min-width: 768px) {
  .products-series .l-container-header.stemscience .main-txt {
    display: flex;
    justify-content: center;
    margin-top: 30px
  }
}

@media screen and (max-width: 767px) {
  .products-series .l-container-header.stemscience .main-txt {
    display: none
  }
}

@media screen and (min-width: 768px) {
  .products-series .l-container-header.cliniscience {
    position: relative
  }

  .products-series .l-container-header.cliniscience::after {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background: url(../../../../images/product-detail/episteme/c/cliniscience_v2.png) no-repeat center;
    background-size: 1366px
  }

  .products-series .l-container-header.cliniscience::before {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background: linear-gradient(-90deg, #5e5d5d 0, #aaa 100%)
  }

  .products-series .l-container-header.cliniscience .inner {
    height: 500px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    width: 100%;
    max-width: 1366px;
    margin-left: auto;
    margin-right: auto
  }

  .products-series .l-container-header.cliniscience .inner .heading-wrapper {
    padding-right: calc(280 / 1366 * 100%);
    position: relative;
    z-index: 2
  }

  .products-series .l-container-header.cliniscience .products-series-title {
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    text-align: center
  }

  .products-series .l-container-header.cliniscience .products-series-title .en {
    font-size: 48px;
    line-height: 1
  }

  .products-series .l-container-header.cliniscience .products-series-title .ja {
    display: inline-block;
    font-size: 12px;
    margin-top: 10px
  }
}

.products-series .stem-container-wrapper {
  background: #02000d
}

.products-series .stem-container-wrapper .sp-main-text {
  display: none
}

@media screen and (max-width: 767px) {
  .products-series .stem-container-wrapper .sp-main-text {
    display: flex;
    justify-content: center;
    padding-top: 20px
  }
}

.products-series .stem-container {
  max-width: 1366px;
  margin-left: auto;
  margin-right: auto;
  position: relative
}

.products-series .stem-container::before {
  content: '';
  display: block;
  width: 100%;
  height: 840px;
  position: absolute;
  left: 0;
  top: 0;
  opacity: .6;
  background: url(../../../../images/product-detail/episteme/c/stemscience-top-mask.png) no-repeat center/cover
}

@media screen and (max-width: 767px) {
  .products-series .stem-container::before {
    height: 400px;
    background: url(../../../../images/product-detail/episteme/c/stemscience-top-mask.sp.png) no-repeat center/cover
  }
}

.products-series .stem-container::after {
  content: '';
  display: block;
  width: 100%;
  height: 840px;
  position: absolute;
  left: 0;
  bottom: 0;
  opacity: .6;
  background: url(../../../../images/product-detail/episteme/c/stemscience-bottom-mask.png) no-repeat center/cover
}

@media screen and (max-width: 767px) {
  .products-series .stem-container::after {
    height: 400px;
    background: url(../../../../images/product-detail/episteme/c/stemscience-bottom-mask.sp.png) no-repeat center/cover
  }
}

.products-series .stem-container .column01 {
  padding-top: 120px;
  padding-bottom: 100px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

@media screen and (max-width: 767px) {
  .products-series .stem-container .column01 {
    padding-top: 30px;
    padding-bottom: 10px
  }
}

.products-series .stem-container .column01 .image {
  display: flex;
  justify-content: center
}

.products-series .stem-container .column01 .intro-text {
  text-align: center;
  font-size: 15px;
  color: #fff;
  margin-top: 60px
}

@media screen and (max-width: 767px) {
  .products-series .stem-container .column01 .intro-text {
    font-size: 14px;
    line-height: calc(2);
    margin-top: 30px
  }
}

.products-series .stem-container .column02 {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

@media screen and (min-width: 768px) {
  .products-series .stem-container .column02 {
    padding-top: 100px;
    padding-bottom: 80px
  }
}

.products-series .stem-container .column02 .features-heading {
  font-weight: 700;
  font-size: 24px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  width: 650px;
  height: 175px;
  background: url(../../../../images/product-detail/episteme/c/features.png) no-repeat center/cover;
  margin-left: auto;
  margin-right: auto;
  position: relative
}

@media screen and (max-width: 767px) {
  .products-series .stem-container .column02 .features-heading {
    font-size: 15px;
    width: 100%;
    max-width: 362px;
    height: 98px;
    background-image: url(../../../../images/product-detail/episteme/c/features.sp.png)
  }
}

.products-series .stem-container .column02 .features-heading .bar {
  display: block;
  width: 1px;
  height: 40px;
  background-color: #fff;
  margin-top: 15px;
  opacity: .8
}

@media screen and (max-width: 767px) {
  .products-series .stem-container .column02 .features-heading .bar {
    height: 26px;
    margin-top: 10px
  }
}

.products-series .stem-container .column02 .text01 {
  display: flex;
  justify-content: center;
  margin-top: 20px
}

@media screen and (min-width: 768px) {
  .products-series .stem-container .column02 .flex-wrapper {
    display: flex;
    flex-wrap: wrap;
    margin-top: 60px;
    max-width: 840px;
    width: 100%;
    margin-inline: auto;
    gap: 60px
  }
}

@media screen and (max-width: 767px) {
  .products-series .stem-container .column02 .flex-wrapper {
    margin-top: 20px;
    max-width: 335px;
    margin-left: auto;
    margin-right: auto
  }
}

@media screen and (min-width: 768px) {
  .products-series .stem-container .column02 .flex-wrapper .block {
    flex-shrink: 0;
    width: 300px
  }

  .products-series .stem-container .column02 .flex-wrapper .block:nth-child(3) {
    margin-left: 180px
  }

  .products-series .stem-container .column02 .flex-wrapper .block p {
    text-align: center;
    font-size: 14px;
    color: #fff
  }
}

@media screen and (max-width: 767px) {
  .products-series .stem-container .column02 .flex-wrapper .block {
    width: calc(200 / 335 * 100%)
  }

  .products-series .stem-container .column02 .flex-wrapper .block:nth-child(even) {
    margin-left: auto
  }

  .products-series .stem-container .column02 .flex-wrapper .block:nth-child(odd) {
    margin-right: auto
  }

  .products-series .stem-container .column02 .flex-wrapper .block:not(:first-of-type) {
    margin-top: 15px
  }

  .products-series .stem-container .column02 .flex-wrapper .block picture {
    width: calc(180 / 200 * 100%)
  }

  .products-series .stem-container .column02 .flex-wrapper .block p {
    text-align: center;
    font-size: 11px;
    color: #fff
  }
}

.products-series .stem-container .column03 {
  padding-top: 110px;
  padding-bottom: 120px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

@media screen and (max-width: 767px) {
  .products-series .stem-container .column03 {
    padding-top: 70px;
    padding-bottom: 60px
  }
}

.products-series .stem-container .column03 .heading {
  display: flex;
  justify-content: center
}

.products-series .stem-container .column03 .intro-text {
  font-weight: 700;
  font-size: 18px;
  text-align: center;
  color: #fff;
  margin-top: 30px
}

@media screen and (max-width: 767px) {
  .products-series .stem-container .column03 .intro-text {
    font-size: 16px
  }
}

.products-series .stem-container .column03 .image {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 25px
}

@media screen and (max-width: 767px) {
  .products-series .stem-container .column03 .image {
    margin-top: 20px;
    padding-left: calc(20 / 375 * 100%);
    padding-right: calc(20 / 375 * 100%)
  }
}

.products-series .stem-container .column03 .note {
  font-size: 12px;
  color: #fff;
  margin-top: 40px
}

@media screen and (max-width: 767px) {
  .products-series .stem-container .column03 .note {
    font-size: 10px;
    padding-left: calc(20 / 375 * 100%);
    padding-right: calc(20 / 375 * 100%)
  }
}

.products-series .stem-container .column03 .note p:not(:first-of-type) {
  margin-top: 1em
}