.burger-menu {
    position: relative;
    display: none !important;
    z-index: 999999;
}

#menu__toggle {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

#menu__toggle:checked+.menu__btn span {
    transform: rotate(45deg);
}

#menu__toggle:checked+.menu__btn span::before {
    top: 0;
    transform: rotate(0);
}

#menu__toggle:checked+.menu__btn span::after {
    top: 0;
    transform: rotate(90deg);
}

#menu__toggle:checked~.menu__box {
    visibility: visible;
    right: 0;
}

.menu__btn {
    position: absolute;
    /* изменено с fixed на absolute */
    display: flex;
    align-items: center;
    width: 26px;
    height: 26px;
    cursor: pointer;
    right: 20px;
    top: 50%;
    /* изменено */
    transform: translateY(-50%);
    /* добавлено */
    z-index: 999999999999;
}

.menu__btn>span,
.menu__btn>span::before,
.menu__btn>span::after {
    display: block;
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: #000;
    transition: .3s;
}

.menu__btn>span::before {
    content: '';
    top: -8px;
}

.menu__btn>span::after {
    content: '';
    top: 8px;
}

#menu__toggle:checked~.menu__btn>span {
    transform: rotate(45deg);
}

#menu__toggle:checked~.menu__btn>span::before {
    top: 0;
    transform: rotate(0);
}

#menu__toggle:checked~.menu__btn>span::after {
    top: 0;
    transform: rotate(90deg);
}

.menu__box {
    display: block;
    position: fixed;
    visibility: hidden;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    /* изменено */
    margin: 0;
    padding: 80px 0;
    list-style: none;
    background-color: #005F4B;
    box-shadow: 1px 0px 6px rgba(0, 0, 0, .2);
    transition: all .3s ease;
}

.burger-menu__nav {
    padding: 20px;

    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 20px;
}

.burger-menu__nav_nav {
    color: #fff;
    text-decoration: none;
    font-size: 20px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.burger-menu__nav_nav {
max-width: 200px;}

@media (max-width: 768px) {
    .burger-menu {
        display: block !important;
    }
}

body.no-scroll {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}