.archiveNews {
  padding-block: 13rem;
}

.archiveNews__container {
  display: flex;
}

.archiveNews__main {
  max-width: 900px;
  width: 100%;
}

.archiveNews__item {
  border-bottom: 1px solid var(--colorWhite);
  padding-block: 5rem 4rem;
}

.archiveNews__item:nth-of-type(1) {
  padding-top: 0;
}

.archiveNews__item:nth-of-type(3) {
  border-bottom: none;
}

.archiveNews__date {
  font-size: 1.6rem;
  line-height: 1.05;
}

.archiveNews__img {
  margin: 3rem auto 0;
  width: 85%;
}

.archiveNews__title {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.63;
  margin-top: 3rem;
}

.archiveNews__content {
  margin-top: 3.5rem;
}

.archiveNews__content p, .archiveNews__content a {
  font-size: 1.6rem;
  font-weight: 300;
  line-height: 1.63;
}

.archiveNews__content a {
  color: #50a9ff;
}

.archiveNews__sidebar {
  padding-left: 5rem;
}

@media screen and (min-width: 768px) {
  .archiveNews__sidebar {
    height: fit-content;
    position: sticky;
    top: 13rem;
  }
}

@media screen and (max-width: 767px) {
  .archiveNews {
    padding-block: 15.6rem 0;
  }

  .archiveNews .container1080 {
    padding: 0;
  }

  .archiveNews__container {
    flex-direction: column;
  }

  .archiveNews__main {
    padding-inline: 2rem;
  }

  .archiveNews__title {
    font-size: 2rem;
    line-height: 1.5;
    margin-top: 1.5rem;
  }

  .archiveNews__img {
    margin-top: 2rem;
    width: 82%;
  }

  .archiveNews__content {
    margin-top: 2rem;
  }
}

/* archiveNews__yearList */
.archiveNews__yearList {
  display: grid;
  gap: 2.5rem;
}

.archiveNews__yearItem {
  margin-bottom: 1rem;
}

.archiveNews__yearItem > a {
  font-family: var(--familyJost);
  font-size: 1.6rem;
  letter-spacing: -0.01em;
}

.archiveNews__yearHeader {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.archiveNews__yearHeader a {
  font-family: var(--familyJost);
  font-size: 1.6rem;
  letter-spacing: -0.01em;
}

.archiveNews__accordionIcon {
  display: none;
}

.archiveNews__monthList {
  display: grid;
  gap: 2.5rem;
  margin-top: 2.5rem;
}

.archiveNews__monthItem {
  padding-left: 3.4rem;
  position: relative;
}

.archiveNews__monthItem::before {
  background: var(--colorWhite);
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 1.4rem;
}

.archiveNews__monthItem a {
  font-family: var(--familyJost);
  font-size: 1.6rem;
  letter-spacing: -0.01em;
}

@media screen and (max-width: 767px) {
  .archiveNews__sidebar {
    margin-top: 3.4rem;
    padding-left: 0;
  }

  .archiveNews__yearList {
    gap: 0;
  }

  .archiveNews__yearItem {
    margin-bottom: 0;
  }

  .archiveNews__yearItem > a {
    background: #000;
    border-bottom: 1px solid var(--colorWhite);
    color: #fff;
    display: block;
    padding: 2rem 0 2rem 3.5rem;
  }

  .archiveNews__yearHeader {
    background: #000;
    border-bottom: 1px solid var(--colorWhite);
    color: #fff;
    cursor: pointer;
    padding: 2rem 2.1rem 2rem 3.5rem;
  }

  .archiveNews__accordionIcon {
    border-bottom: 1px solid #fff;
    border-right: 1px solid #fff;
    display: block;
    height: 0.8rem;
    transform: rotate(45deg);
    transition: transform 0.3s;
    width: 0.8rem;
  }

  .is-open .archiveNews__accordionIcon {
    transform: rotate(-135deg);
  }

  .archiveNews__monthList {
    background: #fff;
    display: none;
    gap: 0;
    margin-top: 0;
  }

  .archiveNews__monthItem {
    padding-left: 0;
  }

  .archiveNews__monthItem::before {
    display: none;
  }

  .archiveNews__monthItem a {
    align-items: center;
    border-bottom: 1px solid #000;
    color: #000;
    display: flex;
    justify-content: space-between;
    padding: 2rem 2.1rem 2rem 5rem;
  }

  .archiveNews__monthItem a::after {
    border-bottom: 1px solid #000;
    border-right: 1px solid #000;
    content: "";
    display: block;
    height: 0.8rem;
    transform: rotate(-45deg);
    width: 0.8rem;
  }
}