.bpk-article {
    --bpk-bg: #ffffff;
    --bpk-soft: #f7f7f7;
    --bpk-border: #e5e5e5;
    --bpk-text: #333333;
    --bpk-link: #1676c7;
    --bpk-buy: #ff8a00;
    --bpk-buy-hover: #f47f00;
    --bpk-sale: #79d000;
    --bpk-accent: #e83b5a;
    color: var(--bpk-text);
    background: var(--bpk-bg);
}

.bpk-article a {
    color: var(--bpk-link);
}

.bpk-article .bpk-price-box {
    border: 1px solid var(--bpk-border);
    background: #fff;
    margin: 16px 0 10px;
}

.bpk-article .bpk-price-box table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

.bpk-article .bpk-price-box th,
.bpk-article .bpk-price-box td {
    padding: 14px 16px;
    border: 0;
}

.bpk-article .bpk-price-box th {
    width: 48%;
    background: var(--bpk-soft);
    font-weight: 700;
}

.bpk-article .bpk-price-box td {
    color: var(--bpk-accent);
    font-size: 1.15em;
    font-weight: 700;
}

.bpk-article .bpk-note {
    font-size: .92em;
    color: #666;
    margin: 8px 0 18px;
}

.bpk-article .bpk-buy-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 24px auto 30px;
}

.bpk-article a.bpk-buy-button {
    display: grid;
    place-items: center;
    width: 80%;
    max-width: 560px;
    height: 72px;
    min-height: 72px;
    margin: 0 auto;
    padding: 0 24px;
    box-sizing: border-box;
    border: 0;
    border-radius: 12px;
    background: var(--bpk-buy);
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    box-shadow: none;
}

.bpk-article a.bpk-buy-button:hover,
.bpk-article a.bpk-buy-button:focus {
    background: var(--bpk-buy-hover);
    color: #fff;
    text-decoration: none;
}

.bpk-article .bpk-buy-button__text {
    display: block;
    line-height: 1;
    transform: translateY(-2px);
}

.bpk-article .bpk-sale-box {
    background: #f2ffe6;
    border: 1px solid #b9e978;
    border-left: 5px solid var(--bpk-sale);
    padding: 14px 16px;
    margin: 18px 0 24px;
}

.bpk-article .bpk-coupon-banner {
    max-width: 760px;
    margin: 30px auto 10px;
    padding: 16px 20px;
    box-sizing: border-box;
    background: linear-gradient(90deg, #47c900 0%, #74db00 100%);
    border-radius: 8px;
    text-align: center;
    color: #fff;
}

.bpk-article .bpk-coupon-banner .bpk-coupon-sub {
    display: block;
    margin-bottom: 4px;
    font-size: 15px;
    font-weight: 700;
}

.bpk-article .bpk-coupon-banner .bpk-coupon-main {
    display: block;
    font-size: 30px;
    font-weight: 800;
    line-height: 1.15;
}

.bpk-article .bpk-coupon-banner .bpk-coupon-main strong {
    color: #fff34a;
    font-size: 1.14em;
}

.bpk-article .bpk-coupon-period {
    max-width: 760px;
    margin: 7px auto 16px;
    text-align: center;
    color: #666;
    font-size: 13px;
    line-height: 1.6;
}

.bpk-article h2 {
    background: var(--bpk-soft);
    border-left: 4px solid var(--bpk-accent);
    padding: 12px 14px;
}

.bpk-article .bpk-info-table {
    width: 100%;
    border-collapse: collapse;
}

.bpk-article .bpk-info-table th,
.bpk-article .bpk-info-table td {
    border: 1px solid var(--bpk-border);
    padding: 10px 12px;
    vertical-align: top;
}

.bpk-article .bpk-info-table th {
    width: 22%;
    background: var(--bpk-soft);
    font-weight: 700;
    white-space: nowrap;
}

.bpk-article .bpk-cover {
    text-align: center;
    margin: 18px 0 24px;
}

.bpk-article .bpk-cover img {
    max-width: 420px;
    width: 100%;
    height: auto;
}

@media (max-width: 640px) {
    .bpk-article a.bpk-buy-button {
        width: 94%;
        max-width: none;
        height: 62px;
        min-height: 62px;
        font-size: 18px;
        padding: 0 18px;
        border-radius: 10px;
    }

    .bpk-article .bpk-buy-button__text {
        transform: translateY(-2px);
    }

    .bpk-article .bpk-info-table th {
        width: 26%;
        white-space: normal;
    }

    .bpk-article .bpk-coupon-banner {
        padding: 14px 12px;
        border-radius: 7px;
    }

    .bpk-article .bpk-coupon-banner .bpk-coupon-sub {
        font-size: 13px;
    }

    .bpk-article .bpk-coupon-banner .bpk-coupon-main {
        font-size: 24px;
    }
}


.bpk-article .bpk-coupon-banner-image {
    width: 100%;
    margin: 30px auto 8px;
    text-align: center;
}

.bpk-article .bpk-coupon-banner-image img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    border: 0;
}


.bpk-article .bpk-coupon-block {
    width: 100%;
    margin: 28px auto 22px;
}

.bpk-article .bpk-coupon-expiry {
    color: #e60023;
    font-weight: 700;
}

.bpk-article .bpk-coupon-period span + span {
    margin-left: 0.35em;
}

.bpk-article .bpk-coupon-small-image {
    text-align: center;
    margin: 16px 0 18px;
}

.bpk-article .bpk-coupon-small-image img {
    display: inline-block;
    max-width: 232px;
    width: 100%;
    height: auto;
    border: 0;
}


/* 無料検索ユーザー向けの短い注意喚起 */
.bpk-article .bpk-free-alert {
    margin: 16px 0 22px;
    padding: 16px 18px;
    border: 2px solid #a9cf6f;
    border-left: 6px solid #79ad43;
    border-radius: 10px;
    background: #f5faec;
    color: #333;
    line-height: 1.75;
}

.bpk-article .bpk-free-alert p {
    margin: 0;
}

.bpk-article .bpk-free-alert p + p {
    margin-top: 8px;
}

.bpk-article .bpk-free-alert__title {
    color: #557f2f;
    font-size: 1.06em;
}

.bpk-article .bpk-trial-wrap {
    margin-top: 18px;
    margin-bottom: 24px;
}

.bpk-article a.bpk-trial-button {
    background: #ff8a00;
}

.bpk-article a.bpk-trial-button:hover,
.bpk-article a.bpk-trial-button:focus {
    background: #f47f00;
}

@media (max-width: 640px) {
    .bpk-article .bpk-free-alert {
        padding: 14px 14px;
        border-radius: 8px;
        line-height: 1.7;
    }
}


/* v0.3.1: PR label and highlighted product information */
.bpk-article .bpk-pr {
    margin: 0 0 12px;
    font-size: 14px;
    font-weight: 700;
}

.bpk-article .bpk-info-highlight {
    color: #d93025;
    font-weight: 700;
}


/* v0.3.2: article intro and trial-image placeholder */
.bpk-article .bpk-intro {
    margin: 0 0 18px;
    line-height: 1.8;
}

.bpk-article .bpk-intro p {
    margin: 0 0 12px;
}


/* v0.5.13: intro CTA bridge with thick yellow underline marker */
.bpk-article .bpk-intro-free-check {
    display: inline;
    font-weight: 700;
    background-image: linear-gradient(transparent 58%, #ffeb3b 58%);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    padding: 0 2px;
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
}

.bpk-article .bpk-buy-wrap--after-info {
    margin-top: 22px;
}


/* v0.3.3: manual work-description box */
.bpk-article .bpk-work-description {
    margin: 14px 0 28px;
    padding: 18px 20px;
    border: 1px solid #cfd4d9;
    border-radius: 8px;
    background: #fff;
    line-height: 1.8;
    min-height: 72px;
    box-sizing: border-box;
}

.bpk-article .bpk-work-description p {
    margin: 0;
}

@media (max-width: 640px) {
    .bpk-article .bpk-work-description {
        padding: 15px 16px;
        border-radius: 7px;
    }
}


/* v0.3.9: related works */
.bpk-related-works { margin: 18px 0 30px; }
.bpk-related-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}
.bpk-related-card { min-width: 0; }
.bpk-related-card__link { display: block; text-decoration: none; }
.bpk-related-card__image {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 8px;
    margin: 0 0 8px;
}
.bpk-related-card__title {
    font-size: 14px;
    line-height: 1.5;
    color: inherit;
    word-break: break-word;
}
@media (max-width: 900px) {
    .bpk-related-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .bpk-related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .bpk-related-card__title { font-size: 13px; }
}

/* 冒頭：無料表示の目印を視覚的に案内 */
.bpk-article .bpk-free-marker {
    width: 100%;
    margin: 8px auto 18px;
    text-align: center;
}
.bpk-article .bpk-free-marker__label {
    margin: 0 0 8px !important;
    font-weight: 700;
    font-size: 18px;
    line-height: 1.4;
}
.bpk-article .bpk-free-marker__image-wrap {
    display: inline-block;
    padding: 6px 8px;
    border: 4px solid #f6c400;
    background: #fff;
    box-sizing: border-box;
    max-width: 100%;
}
.bpk-article .bpk-free-marker__image {
    display: block;
    width: 280px;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
}
@media (max-width: 640px) {
    .bpk-article .bpk-free-marker__label {
        font-size: 17px;
    }
    .bpk-article .bpk-free-marker__image {
        width: 250px;
    }
}

/* Price note: yellow underline marker */
.bpk-article .bpk-price-note {
    margin: 8px 0 0;
}

.bpk-article .bpk-price-note small {
    display: inline;
    background-image: linear-gradient(transparent 68%, #ffeb3b 68%);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    padding: 0 1px;
}


/* 全記事共通セールバナー */
.bpk-article .bpk-sale-banner-section {
    margin: 28px 0 24px;
}


.bpk-article .bpk-sale-banner-intro {
    margin: 14px 0 8px;
    line-height: 1.8;
}

.bpk-article .bpk-sale-banner-block {
    width: 100%;
    margin: 16px auto 0;
    text-align: center;
    overflow: hidden;
}

.bpk-article .bpk-sale-banner-block a {
    display: inline-block;
    max-width: 100%;
}

.bpk-article .bpk-sale-banner-block img {
    display: block;
    max-width: 100% !important;
    height: auto !important;
    margin: 0 auto;
    border: 0;
}


/* v0.5.11: work-specific purchase facts */
.bpk-article .bpk-work-facts {
    margin: 14px 0 0;
    padding: 12px 16px 12px 34px;
    border-top: 1px solid #e3e6e8;
    line-height: 1.75;
}

.bpk-article .bpk-work-facts li + li {
    margin-top: 5px;
}

.bpk-article .bpk-work-facts strong {
    font-weight: 700;
}

/* v0.5.15: secondary exit-recovery link to FANZA free-title list */
.bpk-article .bpk-free-list-guide {
    margin: 18px 0 26px;
    padding: 12px 15px;
    border: 2px solid #a9cf6f;
    border-left: 6px solid #79ad43;
    border-radius: 8px;
    background: #f5faec;
    line-height: 1.65;
}

.bpk-article .bpk-free-list-guide__lead,
.bpk-article .bpk-free-list-guide__link-wrap {
    margin: 0;
}

.bpk-article .bpk-free-list-guide__lead {
    color: #557f2f;
    font-weight: 700;
}

.bpk-article .bpk-free-list-guide__link-wrap {
    margin-top: 3px;
}

.bpk-article a.bpk-free-list-guide__link {
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.bpk-article a.bpk-free-list-guide__link:hover,
.bpk-article a.bpk-free-list-guide__link:focus {
    text-decoration-thickness: 2px;
}

@media (max-width: 640px) {
    .bpk-article .bpk-free-list-guide {
        margin: 16px 0 24px;
        padding: 11px 13px;
        border-radius: 6px;
    }
}