.chapter-navigation {
    align-items: center;
    display: flex;
    flex-flow: row wrap;
    gap: 16px;
    margin: 0 0 24px;
    width: 100%;
}

.chapter-navigation select {
    border: 1px solid var(--color-neutral-100);
    border-radius: 12px;
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: 16px;
    font-weight: 400;
    outline: 0;
    padding: 12px;
    max-width: 400px;
    width: 100%;
}

.chapter-navigation__index select {
    min-width: 300px;
    width: 100%;
}

.chapter-navigation__year select {
    min-width: 150px;
    width: 100%;
}

.chapter-navigation__buttons {
    display: flex;
    flex-flow: row nowrap;
    gap: 16px;
}

.chapter-navigation__buttons .m-button,
.chapter-navigation__buttons .m-button__link {
    padding-left: 24px;
    padding-right: 24px;
    font-size: 14px;
    height: 43px;
}

.chapter-navigation__buttons .chapter-menu__open {
    display: none;
}

@media screen and (max-width: 980px) {
    .chapter-navigation__index select {
        min-width: 0;
    }

    .chapter-navigation__buttons .chapter-menu__open {
        display: inline-flex;
    }
}

@media screen and (max-width: 780px) {
    .chapter-navigation__index {
        display: none;
    }
}