.header {
    width: 100%;
    padding: 0 10px;
    display: flex;
    justify-content: space-between;
    align-content: center;
    align-items: center;
    flex-wrap: wrap;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 20;
    background-color: #fff;
    transition: color 0.3s;
}
.header-logo {
    display: flex;
    justify-content: center;
    align-items: center;
}
.nav-pc {
    /* display: none; */
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav-pc a{
    color: #4e4e4e;
    text-decoration: none;
}
.nav-pc>li{
    height: 50px;
    padding: 0 10px;
    position: relative;
    display: flex;
    align-items: center;
    background: #fff;
    cursor: pointer;
}
.nav-pc>li>ul{
    display: none;
    list-style: none;
    width: 100%;
    padding: 0;
    margin: 0;
    position: absolute;
    left: 0;
    top: 100%;
}
.nav-pc>li>ul>li{
    height: 40px;
    padding: 0 10px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    transition: background .3s;
}
.nav-pc>li>ul>li:hover{
    background: #ddd;
}
.nav-pc>li>ul>li>a{
    height: 100%;
    padding: 10px 0;
    border-bottom:1px solid #ddd ;
}
.nav-pc>li>ul>li:last-child>a{
    border-bottom:0px;
}
.hamburger {
    width: 30px;
    height: 50px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    gap: 8px;
    cursor: pointer;
}

.hamburger span,
.hamburger::after,
.hamburger::before {
    width: 100%;
    height: 2px;
    border-radius: 10px;
    background: #000;
    transition: all 0.3s;
}
.hamburger span {
    opacity: 1;
}
.hamburger::after,
.hamburger::before {
    content: '';
    transform-origin: left;
}

.hamburger.active > span {
    opacity: 0;
}
.active.hamburger::after {
    transform: rotate(-45deg);
}
.active.hamburger::before {
    transform: rotate(45deg);
}
.hamburger-menu {
    width: 100%;
    height: 0;
    overflow: hidden;
    transition: height 0.5s;
}
.hamburger-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.hamburger-menu li {
    font-size: 20px;
    letter-spacing: 1.2px;
}
.hamburger-menu li a {
    display: block;
    width: 100%;
    height: 100%;
    padding: 15px 0;
    color: #4e4e4e;
    text-decoration: none;
    transition: color .3s;
    text-align: center;
    border-bottom:1px solid #ddd ;
}

.hamburger-menu>li:last-child>li:last-child>a {
    border-bottom:0px ;
}
.nav-pc li a{
    height: 100%;
    display: flex;
    transition: color .3s;
    align-items: center;
}
.nav-pc li:hover ul{
    display: block;
}
.nav-pc>li>a:hover,.hamburger-menu>li>a:hover {
    color: #949494;
}
@media screen and (min-width: 640px) {
    .header {
        padding: 0px 20px;
    }
    .nav-pc {
        display: flex;
        gap: 30px;
    }
    .hamburger {
        display: none;
    }
}