html {
  scroll-behavior: smooth;
}

.side-nav-list {
  position: relative;
}

.side-nav {
  z-index: 9999;
  display: block;
  position: fixed;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
}

.nav-item {
  position: relative;
  padding: 15px;
}


.side-nav {
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
}

.side-nav.show {
  opacity: 1;
  pointer-events: auto;
  scale: 0.9;
}

/* 점선 라인 */

.side-nav-list::before {
  content: "";
  position: absolute;
  left: 30px;
  top: 50%;      
  height: calc(100% - 70px);
  transform: translateY(-50%);

  border-left: 1px dashed #161716;
}


/* 동그라미 */

.nav-item::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: #161716;
  border-radius: 50%;
}

.nav-item.active::before {
  width: 12px;
  height: 12px;
}


/* 메뉴 리스트 */
.side-nav-list {
  list-style: none;
  margin: -20px 0;
}

.side-nav-list .nav-item {
  margin-bottom: 20px;
}

.side-nav-list a {
  position: relative;
  text-decoration: none;
  color: #161716;
  font-size: 16px;
  font-weight: 600;
  margin-left: 40px;
}

/* on상태 */

.nav-item.active{
  margin-top: 5px;
  padding-right: 25px;
}

.nav-item.active::before {
  width: 25px;
  height: 25px;
  background-image: url(../public/image/main/nav-point2.png);
  background-repeat: no-repeat;
  background-color: #3C4A33;
  background-position: top -10px;
  left: 19px;
}

.nav-item.active a {
  color: #ECE8E0;
}



.nav-item::after {
  content: "";
  position: absolute;
  inset: 0;  
  background: url(../public/image/main/nav-point.png) no-repeat center / cover;
  opacity: 0;
  transform: scale(0.9);
  transition: 
    opacity 0.3s ease,
    transform 0.3s ease;

  z-index: -1;
}

.nav-item.active::after {
  opacity: 1;
  transform: scale(1);
}


@media (max-width: 1400px) {
  .side-nav-list .nav-item {
    margin-bottom: 20px;
  }
  .side-nav {
    left: 10px;
  }
}
@media (max-width: 1400px) {
  .side-nav {
    display: none;
  }
}