.content-nested-card > .content-nested-card__summary .content-section-card__state--open {
    display: none;
}

.content-nested-card > .content-nested-card__summary .content-section-card__state--closed {
    display: inline;
}

.content-nested-card[open] > .content-nested-card__summary .content-section-card__state--open {
    display: inline;
}

.content-nested-card[open] > .content-nested-card__summary .content-section-card__state--closed {
    display: none;
}

.content-nested-card > .content-nested-card__summary .content-nested-card__chevron {
    transform: rotate(45deg);
}

.content-nested-card[open] > .content-nested-card__summary .content-nested-card__chevron {
    transform: rotate(225deg);
}