.merchant-faq-page {
    background: #fff;
    color: #111827;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
}

.merchant-faq-page .container {
    max-width: 1180px;
}

.merchant-faq-hero {
    padding: 72px 0 40px;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
}

.merchant-faq-hero-inner {
    max-width: 980px;
}

.merchant-faq-kicker {
    display: inline-flex;
    align-items: center;
    border: 1px solid #111827;
    border-radius: 999px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.merchant-faq-hero h1 {
    font-size: clamp(32px, 4vw, 56px);
    line-height: 1.18;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: 0 0 20px;
}

.merchant-faq-hero p {
    font-size: 17px;
    line-height: 2;
    color: #374151;
    max-width: 900px;
    margin: 0;
}

.merchant-faq-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.merchant-faq-summary span {
    display: inline-flex;
    align-items: center;
    border: 1px solid #d1d5db;
    border-radius: 999px;
    padding: 9px 14px;
    font-size: 14px;
    font-weight: 700;
    background: #fff;
}

.merchant-faq-intro {
    padding: 32px 0;
}

.merchant-faq-intro-box {
    border: 1px solid #111827;
    border-radius: 20px;
    padding: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.merchant-faq-intro-box h2 {
    font-size: 24px;
    font-weight: 800;
    margin: 0 0 10px;
}

.merchant-faq-intro-box p {
    margin: 0;
    color: #374151;
    line-height: 1.9;
}

.merchant-faq-cta {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    background: #111827;
    color: #fff;
    font-weight: 800;
    text-decoration: none;
    transition: opacity .2s ease, transform .2s ease;
}

.merchant-faq-cta:hover {
    color: #fff;
    opacity: .86;
    transform: translateY(-1px);
}

.merchant-faq-tabs-section {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, .96);
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
    backdrop-filter: blur(10px);
}

.merchant-faq-tabs {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 14px 0;
    scrollbar-width: none;
}

.merchant-faq-tabs::-webkit-scrollbar {
    display: none;
}

.merchant-faq-tabs a {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #111827;
    border-radius: 999px;
    padding: 9px 18px;
    color: #111827;
    font-weight: 800;
    text-decoration: none;
    background: #fff;
    white-space: nowrap;
}

.merchant-faq-tabs a:hover {
    background: #111827;
    color: #fff;
}

.merchant-faq-tabs a i {
    font-size: 1rem;
    line-height: 1;
}

.merchant-faq-content {
    padding: 42px 0 72px;
}

.merchant-faq-module {
    scroll-margin-top: 88px;
    margin-bottom: 62px;
}

.merchant-faq-module-header {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    padding-bottom: 18px;
    margin-bottom: 24px;
    border-bottom: 2px solid #111827;
}

.merchant-faq-module-header p {
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #6b7280;
    margin: 0 0 6px;
}

.merchant-faq-module-header h2 {
    font-size: clamp(24px, 3vw, 36px);
    line-height: 1.25;
    font-weight: 900;
    margin: 0;
}

.merchant-faq-module-header span {
    flex: 0 0 auto;
    border: 1px solid #9ca3af;
    border-radius: 999px;
    padding: 8px 14px;
    color: #374151;
    font-size: 13px;
    font-weight: 700;
    background: #fff;
}

.merchant-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.merchant-faq-card {
    border: 1px solid #d1d5db;
    border-radius: 18px;
    padding: 22px;
    background: #fff;
    min-height: 210px;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.merchant-faq-card:hover {
    transform: translateY(-2px);
    border-color: #111827;
    box-shadow: 0 14px 30px rgba(17, 24, 39, .08);
}

.merchant-faq-card h3 {
    font-size: 18px;
    line-height: 1.55;
    font-weight: 900;
    margin: 0 0 12px;
}

.merchant-faq-card p {
    color: #374151;
    font-size: 15px;
    line-height: 1.9;
    margin: 0;
}

.merchant-faq-common {
    margin-top: 20px;
    margin-bottom: 52px;
}

.merchant-faq-common-inner {
    border: 2px solid #111827;
    border-radius: 22px;
    padding: 30px;
    background: #fff;
}

.merchant-faq-common-inner h2 {
    font-size: 28px;
    font-weight: 900;
    margin: 0 0 20px;
}

.merchant-faq-common-list {
    display: grid;
    gap: 10px;
}

.merchant-faq-common-list details {
    border: 1px solid #d1d5db;
    border-radius: 14px;
    padding: 16px 18px;
    background: #fff;
}

.merchant-faq-common-list summary {
    cursor: pointer;
    font-size: 16px;
    font-weight: 900;
    line-height: 1.6;
}

.merchant-faq-common-list p {
    margin: 12px 0 0;
    color: #374151;
    line-height: 1.9;
}

.merchant-faq-bottom-cta {
    border: 2px solid #111827;
    border-radius: 26px;
    padding: 38px;
    text-align: center;
    background: #fff;
}

.merchant-faq-bottom-cta h2 {
    font-size: clamp(26px, 3vw, 40px);
    line-height: 1.3;
    font-weight: 900;
    margin: 0 0 14px;
}

.merchant-faq-bottom-cta p {
    color: #374151;
    line-height: 1.9;
    max-width: 820px;
    margin: 0 auto 24px;
}

.merchant-faq-bottom-cta a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 28px;
    border-radius: 999px;
    background: #111827;
    color: #fff;
    font-weight: 900;
    text-decoration: none;
}

.merchant-faq-bottom-cta a:hover {
    color: #fff;
    opacity: .86;
}

.merchant-faq-card,
.merchant-faq-tabs a,
.merchant-faq-common-list summary,
.merchant-faq-cta,
.merchant-faq-bottom-cta a {
    cursor: pointer;
}

@media (max-width: 991.98px) {
    .merchant-faq-hero {
        padding: 48px 0 32px;
    }

    .merchant-faq-intro-box {
        flex-direction: column;
        align-items: flex-start;
    }

    .merchant-faq-cta {
        width: 100%;
    }

    .merchant-faq-module-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .merchant-faq-module-header span {
        white-space: normal;
    }

    .merchant-faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 575.98px) {
    .merchant-faq-hero {
        padding: 36px 0 26px;
    }

    .merchant-faq-hero h1 {
        font-size: 31px;
    }

    .merchant-faq-hero p {
        font-size: 15px;
        line-height: 1.9;
    }

    .merchant-faq-summary span {
        width: 100%;
        justify-content: center;
    }

    .merchant-faq-intro {
        padding: 22px 0;
    }

    .merchant-faq-intro-box {
        border-radius: 16px;
        padding: 20px;
    }

    .merchant-faq-intro-box h2 {
        font-size: 21px;
    }

    .merchant-faq-tabs a {
        padding: 8px 14px;
        font-size: 14px;
    }

    .merchant-faq-content {
        padding: 30px 0 52px;
    }

    .merchant-faq-module {
        margin-bottom: 46px;
    }

    .merchant-faq-card {
        border-radius: 16px;
        padding: 18px;
        min-height: auto;
    }

    .merchant-faq-card h3 {
        font-size: 16px;
    }

    .merchant-faq-card p {
        font-size: 14px;
    }

    .merchant-faq-common-inner {
        border-radius: 18px;
        padding: 20px;
    }

    .merchant-faq-common-inner h2 {
        font-size: 23px;
    }

    .merchant-faq-bottom-cta {
        border-radius: 20px;
        padding: 26px 20px;
    }
}
.merchant-faq-tabs a.active {
    background: #111827;
    color: #fff;
    border-color: #111827;
}

    .merchant-faq-tabs a.active i {
        color: #fff;
    }