@charset "utf-8";

.about_wrapper {
  width: 100%;
  background: url(../img/front_bg.png) no-repeat;
  background-position: center top;
  background-size: cover;
  padding-top: 4rem;
}

.about_fade_up {
  width: 89.5rem;
  margin: 5rem auto 3.3rem auto;
  text-align: center;
}

.about_title {
  display: flex;
  padding-bottom: 1rem;
}

.about_title_imgl,
.about_title_imgr {
  width: 31rem;
}

.about_title_imgl {
  margin-top: 1rem;
}

.section_title {
  font-size: 3rem;
  font-family: var(--NotoSans);
  letter-spacing: 0.3rem;
  padding: 0 2rem;
  margin-top: 1rem;
}

.about_text {
  text-align: center;
}

.about_main_text {
  font-size: 1.6rem;
  line-height: calc(40em / 16);
  font-family: var(--NotoSans);
  font-weight: 350;
}

.about_main_text_sec {
  font-size: 1.6rem;
  line-height: calc(40em / 16);
  font-family: var(--NotoSans);
  font-weight: 350;
  padding-top: 3rem;
}

.company_overview {
  margin-top: 10rem;
  margin-left: 24rem;
}

.overview_title_en {
  font-size: 4rem;
  font-family: var(--NotoSans);
  letter-spacing: calc(4em / 40);
  font-weight: 700;
}

.overview_title_jp {
  font-size: 2.6rem;
  font-family: var(--NotoSans);
  font-weight: 700;
  border-left: 0.5rem solid #F5B2B2;
  padding-left: 0.5rem;
  letter-spacing: calc(2.6em / 26);
}

.item_wrapper {
  margin-top: 10rem;
}

.item_wrapper li {
  height: 6.4rem;
  width: 80rem;
  display: flex;
  margin-left: 25rem;
  border-top: 0.1rem solid #122444;
}

.item_wrapper li:nth-child(4),
.item_wrapper li:nth-child(5) {
  padding: 0;
  height: 10.4rem;
  line-height: 3rem;
}

.item_wrapper li:last-child {
  border-bottom: 0.1rem solid #122444;
}

.item_title {
  width: 25.4rem;
  font-size: 1.6rem;
  font-family: var(--NotoSans);
  font-weight: 500;
  padding: 1.9rem;
}

.item_detail {
  display: block;
  font-size: 1.6rem;
  font-family: var(--NotoSans);
  font-weight: 350;
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.item_detail1 {
  display: block;
  font-size: 1.6rem;
  font-family: var(--NotoSans);
  font-weight: 350;
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.under_imag {
  animation: fuwafuwa 3s ease-in-out infinite alternate;
  background: url(../img/two_bird.png) no-repeat center center / 18.5rem auto;
  display: inline-block;
  transform: scale(-1);
  /* 上下左右反転 */
  transition: 1.5s ease-in-out;
  width: 18.5rem;
  height: 10.9rem;
  margin: 15.3rem 0 2rem 97rem;
}

@keyframes fuwafuwa {
  0% {
    transform: translate(0, 0) rotate(‐7deg) scale(-1);
  }

  50% {
    transform: translate(0, -7px) rotate(0deg) scale(-1);
  }

  100% {
    transform: translate(0, 0) rotate(7deg) scale(-1);
  }
}

/* --SP版-- */
@media screen and (max-width: 699.98px) {
  .about_wrapper {
    padding-top: 2.5rem;
  }

  .about_fade_up {
    width: 100%;
    margin: 0 auto 8.1rem auto;
    text-align: center;
  }

  .about_title {
    justify-content: center;
  }

  .about_title_imgl,
  .about_title_imgr {
    width: 9.6rem;
  }

  .about_title_imgl {
    padding-top: 0.5rem;
  }

  .about_title_imgr {
    padding-top: 1.5rem;
  }

  .section_title {
    font-size: 2rem;
    letter-spacing: 0;
    padding: 0 0.9rem;
    font-weight: 500;
  }

  .about_text {
    width: 30rem;
    text-align: left;
    margin: 0 auto;
    padding-top: 1rem;
  }

  .about_main_text_sec {
    font-size: 1.6rem;
    line-height: calc(40em / 16);
    font-family: var(--NotoSans);
    font-weight: 350;
    padding-top: 2rem;
}

  .pc_only {
    display: none;
  }

  .company_overview {
    margin-left: 1.5rem;
    margin-top: 8.6rem;
  }

  .overview_title_en {
    font-size: 3rem;
    letter-spacing: calc(3em / 30);
  }

  .overview_title_jp {
    font-size: 2rem;
    letter-spacing: calc(2em / 20);
    border-left: 0.5rem solid #F5B2B2;
    padding-left: 0.5rem;
  }

  .item_wrapper {
    margin-top: 5rem;
  }

  .item_wrapper li {
    height: 9.8rem;
    width: 34.5rem;
    display: block;
    margin: 0 auto;
    border-top: 0.1rem solid #122444;
  }

  .item_wrapper li:nth-child(4),
  .item_wrapper li:nth-child(5) {
    padding: 0;
    height: 10.4rem;
    line-height: calc(40em / 16);
  }

  .item_wrapper li:last-child {
    border-bottom: 0.1rem solid #122444;
  }

  .item_title {
    width: 25.4rem;
    font-size: 1.6rem;
    font-family: var(--NotoSans);
    font-weight: 500;
    padding: 0;
    padding-top: 1.9rem;
    padding-left: 1rem;
  }

  .item_detail {
    padding-top: 1rem;
    padding-left: 1rem;
  }

  .item_wrapper li:nth-child(4) .item_title,
  .item_wrapper li:nth-child(5) .item_title {
    padding: 0;
    padding-top: 1.9rem;
    padding-left: 1rem;
    line-height: 2.5rem;
  }

  .item_wrapper li:nth-child(4) .item_detail,
  .item_wrapper li:nth-child(5) .item_detail {
    padding: 0;
    padding-top: 0.5rem;
    padding-left: 1rem;
    line-height: 3.6rem;
  }

  .item_wrapper li:nth-child(4),
  .item_wrapper li:nth-child(5) {
    padding: 0;
    height: 13.8rem;
  }

  .under_imag {
    animation: fuwafuwa 3s ease-in-out infinite alternate;
    background: url(../img/two_bird.png) no-repeat center center / 7.5rem auto;
    display: inline-block;
    transform: scale(-1);
    /* 上下左右反転 */
    transition: 1.5s ease-in-out;
    width: 7.5rem;
    height: 4.4rem;
    margin: 3.6rem 0 0 28.5rem;
  }

}