@charset "UTF-8";

.oi-tabs .oi-tabs__inner {
  display: flex;
  gap: 0 40px
}
.oi-tabs .c-tab__item {
  padding: 0;
}
@media screen and (max-width: 1099px) {
  .oi-tabs .c-tab__tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    border-bottom: none;
    position: relative;
    padding-bottom: 20px;
    margin-bottom: -20px;
  }
  .oi-tabs .oi-tabs__inner {
    width: 100%;
    border-bottom: 2px solid #dbdbdb;
    gap: 0 32px;
  }
  .oi-tabs .c-tab__item {
    white-space: nowrap;
  }
}
@media screen and (max-width: 730px) {
  .oi-tabs .oi-tabs__inner {
    width: auto;
  }
}

@media screen and (max-width: 519px) {
  .oi-tabs .c-tab__tabs {
    padding-bottom: 15px;
    margin-bottom: -15px;
  }
  .oi-tabs .oi-tabs__inner {
    gap: 0 20px;
  }
}

.oi-accordion {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.oi-accordion .oi-accordion__section .oi-accordion__section__title {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  padding: 0 0 38px;
  border: 1px solid #b3b3b3;
  cursor: pointer;
}
.oi-accordion .oi-accordion__section .oi-accordion__section__title .figure {
  display: flex;
  align-items: center;
}
.oi-accordion .oi-accordion__section .oi-accordion__section__title .figure img {
  width: 100%;
  height: auto;
}
.oi-accordion .oi-accordion__section .oi-accordion__section__title .title_text {
  display: flex;
  flex-direction: column-reverse;
  gap: 12px;
  margin-top: 12px;
  padding: 0 20px 20px;
}
.oi-accordion .oi-accordion__section .oi-accordion__section__title .title_text .heading {
  font-size: 1.8rem;
}
.oi-accordion .oi-accordion__section .oi-accordion__section__title .title_text .date {
  font-size: 1.4rem;
}
.oi-accordion .oi-accordion__section .oi-accordion__section__title .title_text .btn {
  position: absolute;
  bottom: 0;
  right: 0;
  display: block;
  width: 38px;
  height: 38px;
  background: #222;
}
.oi-accordion .oi-accordion__section .oi-accordion__section__title .title_text .btn::before,
.oi-accordion .oi-accordion__section .oi-accordion__section__title .title_text .btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  width: 15px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.2s ease-out;
}
.oi-accordion .oi-accordion__section .oi-accordion__section__title .title_text .btn::before {
  transform: translate(-50%, -50%);
}
.oi-accordion .oi-accordion__section .oi-accordion__section__title .title_text .btn::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.oi-accordion .oi-accordion__section .oi-accordion__content {
  position: absolute;
  left: 0;
  z-index: 2;
  width: 100%;
  visibility: hidden;
  overflow: hidden;
}

.oi-accordion .oi-accordion__section .oi-accordion__content .inner .inner__content {
  background: #f3f3f3;
  padding: 32px;
}

.oi-accordion .oi-accordion__section .oi-accordion__content .heading {
  font-size: 2.2rem;
}

.oi-accordion .oi-accordion__section.is--open .oi-accordion__content {
  /* visibility: visible; */
}
.oi-accordion .oi-accordion__section.is--open .oi-accordion__section__title .title_text .btn::after {
  transform: translate(-50%, -50%);
}


@media screen and (min-width: 1100px) {
  .oi-accordion .oi-accordion__section .oi-accordion__section__title .title_text .heading {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

@media print, (min-width: 1100px) {
  .oi-accordion {
    gap: 40px;
    padding-top: 16px;
  }
  .oi-accordion .oi-accordion__section .oi-accordion__section__title {
    min-height: 290px;

  }

  .oi-accordion .oi-accordion__section .oi-accordion__content .inner {
    background-image: url('https://www.nikon.com/company/technology/open_innovation/img/pic_index_03.png');
    background-repeat: no-repeat;
    background-size: 34px 22px;
    background-position-x: 10.272873%;
    background-position-y: 18px;
    padding: 40px 0 0;
  }
  .oi-accordion .oi-accordion__section:nth-child(4n-2) .oi-accordion__content .inner {
    background-position-x: calc(50% - 37px - 10.272873%);
  }
  .oi-accordion .oi-accordion__section:nth-child(4n-1) .oi-accordion__content .inner {
    background-position-x: calc(50% + 37px + 10.272873%);
  }
  .oi-accordion .oi-accordion__section:nth-child(4n) .oi-accordion__content .inner {
    background-position-x: 89.727127%;
  }
}

@media print {
  .oi-accordion {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 1099px) {
  .oi-accordion {
    grid-template-columns: 1fr;
  }
  .oi-accordion .oi-accordion__section .oi-accordion__content .heading {
    display: none;
  }
  .oi-accordion .oi-accordion__section.is--open .oi-accordion__content .c-text {
    margin-top: 0;
  }
}

@media screen and (min-width: 520px) and (max-width: 1099px) {
  .oi-accordion {
    gap: 44px;
  }
  .oi-accordion .oi-accordion__section .oi-accordion__section__title {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 0;
  }
  .oi-accordion .oi-accordion__section .oi-accordion__section__title .title_text {
    justify-content: flex-end;
    margin-top: 0;
    padding: 16px 20px 58px 0;
  }
  .oi-accordion .oi-accordion__section .oi-accordion__content .inner {
    padding: 12px 0 0;
  }
}

@media screen and (max-width: 519px) {
  .oi-accordion {
    gap: 20px;
  }
  .oi-accordion .oi-accordion__section .oi-accordion__content .inner {
    padding: 12px 0 0;
  }
}