.h_top {
    background-color: var(--white-0);
}
.h_main_menu,
.h_r a {
    color: var(--white);
}
.h_logo .logo_img {
    filter: brightness(0) invert(1);
    -webkit-filter: brightness(0) invert(1);
}
.h_top.scroll .h_main_menu,
.h_top.scroll .h_r a {
    color: var(--gray-600);
}
.h_top.scroll .h_logo .logo_img {
    filter: brightness(1) invert(0);
    -webkit-filter: brightness(1) invert(0);
}

/*-------------------- main_sec --------------------*/
.main_sec {
    width: 100%;
    height: 100vh;
    position: relative;
}
.main_bg {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.main_bg img {
    transform: scale(1.1);
    animation: bg 4s ease forwards;
}
@keyframes bg {
    to {
        transform: scale(1);
    }
}
.main_inner {
    width: 100%;
    height: 100%;
    padding-bottom: 80px;
    background-color: var(--black-300);
    position: absolute;
    top: 0;
    left: 0;
}
.main_inner > div {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: end;
    align-items: center;
}
.main_inner > div > * {
    transform: translateY(20px);
    opacity: 0;
    animation: main .8s var(--delay) ease forwards;
}
@keyframes main {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}
.collection_list {
    margin-bottom: 32px;
    display: flex;
    align-items: center;
}
.collection_list li {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--gray-200);
    background-color: var(--gray-100);
    margin-left: -10px;
}
.collection_list li:first-child {
    margin-left: 0;
}
.collection_title {
    margin-bottom: 32px;
    font-size: var(--ft40);
    font-weight: var(--semi-bold);
    color: var(--white);
}
.collection_text {
    font-size: var(--ft20);
    font-weight: var(--semi-bold);
    color: var(--white);
}
.collection_box .btn_box {
    margin-top: 50px;
}
.btn_box {
    width: fit-content;
    margin-top: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--white-200);
    background-color: var(--white-100);
    backdrop-filter: blur(10px);
}
.btn_box a {
    padding: 14px 40px;
    font-size: var(--ft18);
    font-weight: var(--semi-bold);
    color: var(--white);
}

/*-------------------- product_sec --------------------*/
.product_sec {
    margin-top: 80px;
}