.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);
}
.footer {
    margin-top: -40px;
    z-index: 1;
    position: relative;
}



.sec_bg {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.sec_bg img {
    transform: scale(1.2);
}
.sec_inner {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.gsap_y {
    transform: translateY(20px);
    opacity: 0;
}
.gsap_x {
    transform: translateX(-20px);
    opacity: 0;
}

/*-------------------- sec1 --------------------*/
.sec1 {
    width: 100%;
    height: 200vh;
    position: relative;
}
.sec1_inner {
    padding: 180px 0;
}
.sec1_inner * {
    color: var(--white);
}
.sec1_inner > div {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.riorio {
    opacity: .7;
}
.riorio_text {
    opacity: 0;
    transform: translateY(60%);
}
.main_title {
    margin-top: 100px;
    font-size: var(--ft24);
    font-weight: var(--semi-bold);
}
.main_text {
    margin-top: 28px;
    font-size: var(--ft18);
    font-weight: var(--semi-bold);
}
.main_btm,
.main_btm h2 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 36px;
}
.main_btm * {
    font-size: var(--ft18);
    font-weight: var(--medium);
}
.main_btm .gsap {
    transform: translateY(-20px);
    opacity: 0;
}
.main_btm h2::after {
    content: '';
    display: block;
    width: 1px;
    height: 60px;
    background-color: var(--white-400);
}

/*-------------------- sec2 --------------------*/
.sec2 {
    width: 100%;
    height: 100vh;
    position: relative;
}
.sec2_inner {
    background-color: var(--black-200);
}
.sec2_inner > div {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
}
.sec2_inner * {
    color: var(--white);
}
.sec2_inner h2 {
    font-size: var(--ft40);
    font-family: var(--font-eng);
}
.sec2_inner p {
    font-size: var(--ft18);
    font-weight: var(--medium);
}

/*-------------------- sec3 --------------------*/
.sec3 {
    padding: 180px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 50px;
}
.riorio_logo {
    width: 100px;
}
.riorio_logo img {
    opacity: .4;
}
.sec3 p {
    font-size: var(--ft18);
    color: var(--gray-500);
}
.sec3 p strong {
    font-size: var(--ft18);
    font-weight: var(--semi-bold);
    color: var(--gray-600);
}

/*-------------------- sec4 --------------------*/
.sec4 {
    height: 100vh;
}
.sec4_inner > div {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-bottom: 40px;
}
.sec4 p {
    font-size: var(--ft20);
    color: var(--white);
}
.sec4 p strong {
    font-weight: var(--semi-bold);
}

@media all and (max-width: 1024px) {

    /*-- sec1 --*/
    .sec1 {
        height: 150vh;
    }
    .main_title {
        margin-top: 50px;
        font-size: var(--ft20);
    }
    .main_text {
        margin-top: 20px;
    }


    /*-- sec3 --*/
    .riorio_logo {
        width: 60px;
    }
}

@media all and (max-width: 768px) {

    /*-- sec1 --*/
    .sec1 {
        height: 120vh;
    }
    .sec1_inner {
        padding: 100px 0;
    }
    .main_title {
        font-size: var(--ft18);
    }
    .main_text {
        margin-top: 10px;
        font-size: var(--ft14);
    }

    .main_btm, 
    .main_btm h2 {
        gap: 16px;
    }
    .main_btm h2::after {
        height: 32px;
    }
    .main_btm * {
        font-size: var(--ft16);
    }

    /*-- sec2 --*/
    .sec2_inner h2 {
        font-size: var(--ft28);
    }
    .sec2_inner p {
        font-size: var(--ft16);
    }

    /*-- sec3 --*/
    .sec3 p {
        font-size: var(--ft16);
    }

    /*-- sec4 --*/
    .sec4 p {
        font-size: var(--ft16);
    }
}