.pso-post__background {
    aspect-ratio: 16/9;
    width: 100%;
    padding: var(--G5);
    font-size: max(3vw, 100%);
    text-align: center;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;

    .pso-postbox__modal & {
        border-radius: var(--BORDER-RADIUS--MD);
    }

    @include mq($from: desktop) {
        font-size: 125%;
    }
}

.pso-post__background--scroll {
    overflow: auto;
}

.pso-post__background-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100%;
}

.pso-post__background-text {
    font-weight: 500;
    line-height: 1.3;
    text-shadow: 0 0 10px rgba(0,0,0, .15);
    word-break: break-word;
    text-align: center;
    color: inherit;

    a {
        color: inherit;
        
        > span {
            text-decoration: underline;
        }

        &:hover,
        &:focus {
            color: inherit;
            
            > span {
                text-decoration: none;
            }
        }
    }

    span[data-highlight] {
        text-decoration: underline;
    }

    &[contentEditable=true] {
        width: 100%;
        outline: none;

        &:empty {
            width: auto;

            &:before {
                content: attr(data-placeholder);
                color: inherit;
                opacity: .5;
                transition: opacity .2s ease;
            }

            &:not(:focus) {
                width: 100%;
            }
        }
    }
}