.aside {
  width: 320px;
}
@media (max-width: 1180px) {
  .aside {
    width: 280px;
  }
}
@media (max-width: 1140px) {
  .aside {
    width: 260px;
  }
}
@media (max-width: 768px) {
  .aside {
    display: none;
  }
}


.aside--sticky {
  position: sticky;
  top: 20px;
  overflow-y: auto;
}

@media (max-width: 768px) {
  .aside--sticky  {
      position: static; /* モバイル表示では通常の配置に戻す */
      height: auto;
      overflow-y: visible;
  }
}


.sidebar-nav {
  margin-bottom: 8%;
}

.sidebar-nav__accordion {
  position: relative;
  width: 100%;
  padding: 10px 10px 10px 10px;
  text-align: center;
  background-color: var(--colorLightGray);
  border: none;
  cursor: pointer;
  margin-bottom: 2%;
}

.sidebar-nav__accordion-text {
  display: block;
  font-size: 20px;
  font-size: clamp(16px, 1.6vw, 20px);
  font-weight: bold;
}

.sidebar-nav__accordion-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  color: #fff;
  background: var(--colorAccent);
  text-align: center;
  font-size: 0;
}

.sidebar-nav__accordion-icon::before {
  content: attr(data-icon);
  font-size: 14px;
  line-height: 18px;
  vertical-align: middle;
  display: inline-block;
}
.sidebar-nav__accordion-icon[data-icon="+"]::before {
  line-height: 19px;
}
.sidebar-nav__accordion-icon[data-icon="-"]::before {
  line-height: 18px;
}


/*  ---------------------------------------*/

.sidebar-menu {
  display: none;
  margin-bottom: 5%;  
}
.sidebar-menu__link{
  position: relative;
  color: #2C3E50;
  text-decoration: none;
  display: block;
  font-size: 15px;
  font-weight: bold;
  padding: 0.5em 1em 0.5em 1em;
}
.sidebar-menu__link::after {
  /* content: '›'; */
  content: '\203A';
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-55%);
  transition: 0.3s ease;
  font-size: 30px;
  font-weight: normal;
}
.sidebar-menu__link:hover {
  padding-right: calc(1em + 5px);
  background-color: var(--colorPaleGray);
}


/* activeクラスのスタイル */
.sidebar-menu__link.active {
  background-color: var(--colorPaleGray);
  /* background-color: var(--colorLightBase);
  color:#fff; */
  /* color:var(--colorLightBase); */
}

.sidebar-menu__item.active {
  border-left: 3px solid var(--colorLightBase);
}

.arrow {
  position: absolute;
  right: 10px;
  transition: transform 0.3s;
}

.sidebar-menu li:hover .arrow {
  transform: translateX(5px);
}

.sidebar-menu .sidebar-menu__link.active::after {
  color: var(--colorLightBase);
}

/* 
@media (max-width: 768px) {
  .search-options {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-slider .slide {
    width: 45%;
  }
}

@media (max-width: 480px) {
  .search-options {
    grid-template-columns: 1fr;
  }
  .article-slider .slide {
    width: 100%;
    max-width: none;
  }
} */