.biz-section-title {
    font-size: 22px;
    font-weight: 650;
    color: var(--sg-text);
    letter-spacing: 0.01em;
}

.biz-steps {
    border-top: 1px solid var(--sg-border);
    border-bottom: 1px solid var(--sg-border);
    background: rgba(255, 255, 255, 0.02);
}

.biz-steps-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px 52px;
}

.biz-steps-row {
    list-style: none;
    margin: 28px 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.biz-step {
    position: relative;
    padding-top: 6px;
}

.biz-step-no {
    display: block;
    font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    font-size: 13px;
    color: var(--sg-accent);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.08em;
}

.biz-step + .biz-step::before {
    content: '';
    position: absolute;
    left: -16px;
    top: 10px;
    width: 1px;
    height: 44px;
    background: var(--sg-border);
}

.biz-step-name {
    display: block;
    margin-top: 10px;
    font-size: 16px;
    font-weight: 650;
    color: var(--sg-text);
}

.biz-step-desc {
    margin-top: 6px;
    font-size: 13px;
    color: var(--sg-text-muted);
    line-height: 1.7;
}

.biz-faq {
    background: transparent;
}

.biz-faq-inner {
    max-width: 760px;
    margin: 0 auto;
    padding: 56px 24px 8px;
}

.biz-faq-item {
    margin-top: 14px;
    border: 1px solid var(--sg-border);
    border-radius: 14px;
    background: var(--sg-bg-soft);
    overflow: hidden;
}

.biz-faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 15px 18px;
    font-size: 15px;
    font-weight: 600;
    color: var(--sg-text);
    transition: color 0.2s ease;
}

.biz-faq-item summary::-webkit-details-marker {
    display: none;
}

.biz-faq-item summary i {
    font-size: 12px;
    color: var(--sg-text-dim);
    transition: transform 0.2s ease;
}

.biz-faq-item summary:hover {
    color: var(--sg-accent);
}

.biz-faq-item[open] summary i {
    transform: rotate(180deg);
}

.biz-faq-item p {
    padding: 0 18px 16px;
    font-size: 14px;
    color: var(--sg-text-muted);
    line-height: 1.8;
}

.biz-final {
    padding: 56px 24px 72px;
    background:
        radial-gradient(700px 320px at 50% 100%, rgba(56, 189, 248, 0.06), transparent 60%);
}

.biz-final-inner {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.biz-final-title {
    font-size: clamp(24px, 3.4vw, 32px);
    font-weight: 700;
    color: var(--sg-text);
    letter-spacing: -0.01em;
}

.biz-final-note {
    margin-top: 12px;
    font-size: 14px;
    color: var(--sg-text-muted);
}

.biz-final-actions {
    margin-top: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .biz-steps-inner {
        padding: 40px 16px 44px;
    }

    .biz-steps-row {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .biz-step + .biz-step::before {
        display: none;
    }

    .biz-faq-inner {
        padding: 44px 16px 0;
    }

    .biz-final {
        padding: 44px 16px 56px;
    }
}