.promotion {
    padding: 10px;
    margin-block: 10px;
    border: 2px solid var(--color-1);
    color: var(--color-4);
}

.promotion__header {
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.promotion__date {
    font-size: var(--font-size-h2);
    padding: 10px;
    aspect-ratio: 1 / 1;
    border: 1px solid var(--color-4);
    border-radius: 50%;
    background-color: var(--color-1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}


.promotion__title {
    font-size: var(--font-size-h2);
    position: relative;
    margin-right: 5%;
    padding-left: 5px;
}

.promotion__title::after {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 105%;
    height: 100%;
    background-color: var(--color-1);
    border-left: 4px solid var(--color-4);
    z-index: -1;
    clip-path: polygon(95% 0%, 100% 100%, 0% 100%, 0% 0%);
}

@media (max-width: 520px) {

    .promotion__date,
    .promotion__title {
        font-size: var(--font-size-h5);
    }
}

.promotion__date p {
    margin: 0;
}

.promotion__contents {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.promotion__contents div {
    display: flex;
    flex-direction: column;
}

.promotion__img {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.promotion__img img {
    max-width: 800px;
    max-height: 1000px;
    width: 80vw;
    object-fit: contain;
}

.promotion__name {
    margin-block: 20px;
    align-items: center;
}

.promotion__name span {
    font-size: var(--font-size-h2);
    padding-inline: 20px;
    border-bottom: 2px solid var(--color-4);
}

@media (max-width: 520px) {
    .promotion__name span {
        font-size: var(--font-size-h4);
        padding-inline: 10px;
        border-bottom: 2px solid var(--color-4);
    }
}

.promotion__copy {
    font-size: var(--font-size-h5);
}

@media (max-width: 520px) {
    .promotion__copy {
        font-size: var(--font-size-h6);
    }
}

.promotion__attention {
    font-size: var(--font-size-h6);
}

.promotion__notice {
    position: relative;
    margin-top: 45px;
    margin-bottom: 8px;
    margin-inline: 8px;
    padding: 10px;
    border-radius: 10px;
    border: 2px solid var(--color-4);
    color: var(--color-4);
    text-shadow: .5px .5px .5px var(--color-1);
}

.label {
    position: absolute;
    top: -2.6rem;
    left: 1rem;
    padding: 0.7rem;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    background-color: var(--color-4);
    color: var(--white);
}

.promotion__notice ul {
    padding: 0;
    list-style: none;
    font-size: var(--font-size-h5);
}

.promotion__notice>ul>li {
    margin-bottom: 5px;
}

.promotion__notice>ul>li:last-child {
    margin-bottom: 0;
}

@media (max-width: 520px) {
    .promotion__notice ul {
        font-size: var(--font-size-h6);
    }
}

.promotion__info {
    list-style: none;
    padding-left: 0;
}

.promotion__info>li {
    position: relative;
    padding-left: 90px;
}

.promotion__info-time::before {
    left: 0;
    position: absolute;
    content: "開催時刻：";
}

@media (max-width: 520px) {
    .promotion__info-time {
        display: flex;
        flex-direction: column;
    }
}

.info_30m {
    font-size: var(--font-size-h6);
}

@media (max-width: 520px) {
    .info_30m {
        font-size: .6rem;
    }
}

.promotion__info-location::before {
    left: 0;
    position: absolute;
    content: "開催場所：";
}

.promotion__info-fee::before {
    left: 0;
    position: absolute;
    content: "入場料金：";
}

.promotion__info-requirements::before {
    left: 0;
    position: absolute;
    content: "参観条件：";
}