.p-staff__cert {
  margin-top: 4rem;
}

.p-staff__cert h4 {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  font-weight: 500;
  font-size: 2.8rem;
  color: #69c5d1;
  line-height: 1.3;
  &:before,
  &:after {
    content: '';
    display: block;
    width: calc((160 / 1400) * 100vw);
    height: 1px;
    background: #69c5d1;
  }
}

.p-staff__cert .c-flex {
  margin-top: 4rem;
  display: flex;
  flex-wrap: wrap;
  row-gap: 4rem;
  justify-content: space-between;
  align-items: center;

  .p-staff__cert-item {
    &.w-full {
      width: 100%;
    }
    &.lg\:w-1\/5 {
      width: calc((100% - (3rem * 4)) / 5);
    }
    &.lg\:w-1\/4 {
      width: calc((100% - (3rem * 3)) / 4);
    }
  }
}
.p-correction .p-staff__cert .c-flex {
  justify-content: center;
  column-gap: 3rem;
}

@media screen and (max-width: 1023px) {
}
@media screen and (max-width: 767px) {
  .p-staff__cert .c-flex {
    margin-top: 2rem;
    row-gap: 2rem;
    .p-staff__cert-item {
      &.sm\:w-1\/3 {
        width: calc((100% - (1.5rem * 2)) / 3);
      }
    }
  }
  .p-staff__cert {
    margin-top: 3rem;
    h4 {
      font-size: 2.4rem;
      gap: 1.5rem;
    }
  }
}

/* ホワイトニング ページ */
.p-page-whitening-mv__img {
  width: 100%;
  height: calc((400 / 1400) * 100vw);
  background-image: url(../images/page/whitening/whitening-mainvisual@2x.jpg);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
}

.p-whitening-opening__heading-underline {
  padding-bottom: 3px;
  border-bottom: 1px solid #69c5d1;
  color: #69c5d1;
  p {
    font-size: 30px;
    line-height: 1.5;
  }
  span {
    color: #c4a972;
  }
}

.p-parts-star-list {
  ul {
    display: flex;
    flex-wrap: wrap;
    column-gap: 1rem;
    row-gap: 2rem;
    list-style: none;
    margin-top: 3rem;
    padding-left: 2.5em;
    li {
      font-size: 1.8rem;
      line-height: 1.6;
      &:before {
        content: '';
        display: block;
        position: absolute;
        left: 0;
        width: 2.8rem;
        aspect-ratio: 1;
        background-image: url(../svg/common/icon-star.svg);
        background-size: cover;
        background-position: center center;
      }
    }
  }
}

.p-parts-whitening-arrow-box {
  margin: 0 auto;
  img {
    rotate: 90deg;
  }
}

.p-page-whitening__nav {
  margin-top: 2rem;
}
.p-page-whitening__nav-heading {
  text-align: center;
  p {
    display: inline-block;
    margin: 0 auto;
    font-size: 26px;
    line-height: 1.5;
    font-weight: 500;
    color: #69c5d1;
    letter-spacing: 0.03em;
    position: relative;
    &:after,
    &:before {
      position: absolute;
    }
    &:before {
      content: '\\';
      left: -0.5em;
    }
    &:after {
      content: '/';
      right: -0.5em;
    }
  }
}

.p-page-whitening__nav-list.list-type-new {
  row-gap: 25px;
  column-gap: 25px;
  justify-content: center;
  margin-top: 4rem;
  .p-page-whitening__nav-list-item {
    a {
      width: 270px;
    }
  }
}