.first-time-special {
    width: min(680px, calc(100vw - 32px), calc((100dvh - 32px) * 992 / 827));
    max-width: calc(100vw - 32px);
    max-height: calc(100dvh - 32px);
    padding: 0;
    margin: auto;
    border: 0;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 20px 70px #001b3b55;
}

.first-time-special::backdrop {
    background: rgb(4 20 40 / 65%);
}

html:has(.first-time-special[open]) {
    overflow: hidden;
}

.first-time-special__content {
    position: relative;
}

.first-time-special__image {
    display: block;
    width: 100%;
    height: auto;
}

.first-time-special__book {
    position: absolute;
    inset: 0;
    border-radius: 14px;
}

.first-time-special__close {
    position: absolute;
    z-index: 1;
    top: 8px;
    right: 8px;
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid #d6e5f1;
    border-radius: 50%;
    background: #fff;
    color: #092545;
    font: 30px/1 Arial, sans-serif;
    cursor: pointer;
}

.first-time-special__book:focus-visible,
.first-time-special__close:focus-visible {
    outline: 3px solid #096cca;
    outline-offset: 3px;
}

@media (max-width: 767px) {
    .first-time-special {
        width: min(598px, calc(100vw - 32px), calc((100dvh - 32px) * 598 / 727));
    }

    .first-time-special__image {
        aspect-ratio: 598 / 727;
    }

}