.contents-outer {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
}
@media screen and (max-width: 1024px) {
  .contents-outer {
    display: block;
  }
}

.side-nav {
  position: relative;
  width: 184px;
}
.side-nav .page-nav .page-nav__item {
  /* color: var(--color--white-a30); */
  padding-right: 16px;
}
.side-nav .page-nav .page-nav__item:nth-of-type(n + 2) {
  margin-top: 10px;
}
.side-nav .page-nav .page-nav__item.current {
  /* color: var(--color--white); */
}
@media screen and (max-width: 1024px) {
  .side-nav .page-nav {
    position: unset;
    left: 0;
    top: 0;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: 16px 36px;
    max-width: 300px;
  }
  .side-nav .page-nav .page-nav__item {
    padding-right: 0;
  }
  .side-nav .page-nav .page-nav__item:nth-of-type(n + 2) {
    margin-top: 0;
  }
  .side-nav .page-nav .page-nav__item:nth-of-type(4) {
    margin-right: 150px;
  }
}

.main-contents {
  width: 721px;
}
@media screen and (max-width: 1024px) {
  .main-contents {
    width: 100%;
    margin-top: 60px;
  }
}

.section__title {
  font-size: 2.6rem;
  line-height: 1;
}

.accordion-button {
  display: block;
  width: 100%;
  background-color: #ffffff;
  height: 56px;
  font-size: 2rem;
  line-height: 56px;
  padding-inline: 15px;
  margin-top: 30px;
}
.accordion-button::after {
  content: "";
  position: absolute;
  right: 27px;
  top: 50%;
  translate: 0 -50%;
  width: 6px;
  height: 6px;
  border-top: solid 1px #000;
  border-left: solid 1px #000;
  -webkit-transform: skew(30deg, -30deg);
  transform: skew(30deg, -30deg);
  rotate: 255deg;
  -webkit-transition: rotate 500ms;
  transition: rotate 500ms;
}
.accordion-button.is-active::after {
  rotate: 75deg;
}
@media screen and (max-width: 768px) {
  .accordion-button {
    font-size: 1.6rem;
  }
}

.data-list {
  display: none;
}

.data-item {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  border-bottom: solid 1px #2f2f2f;
}
.data-item .data-item__title {
  width: 200px;
  -webkit-flex-shrink: 0;
  -ms-flex-negative: 0;
  flex-shrink: 0;
  padding-inline: 20px 16px;
  padding-block: 20px;
}
.data-item .data-item__text {
  padding-block: 20px;
  font-size: 1.3rem;
}
@media screen and (max-width: 768px) {
  .data-item {
    display: block;
  }
  .data-item .data-item__title {
    width: 200px;
    -webkit-flex-shrink: 0;
    -ms-flex-negative: 0;
    flex-shrink: 0;
    padding-inline: 16px;
    padding-block: 20px 0;
  }
  .data-item .data-item__text {
    padding-inline: 16px;
    padding-block: 0 20px;
    margin-top: 10px;
  }
}