.intro-benefits-section {
    background: var(--surface);
    padding: 96px 24px;
}

.intro-benefits-container {
    max-width: 1400px;
    margin: 0 auto;
}

.intro-benefits-header {
    max-width: 640px;
    margin-bottom: 52px;
}

.intro-benefits-header h2 {
    font-size: clamp(2rem, 4vw, 2.9rem);
    font-weight: 800;
    color: var(--ink);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 14px;
}

.intro-benefits-header p {
    font-size: 1rem;
    color: var(--ink-2);
    line-height: 1.75;
}

.intro-benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.intro-benefit-card {
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 30px 26px 28px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.intro-benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.intro-benefit-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    color: var(--accent-deep);
    font-size: 1.15rem;
    margin-bottom: 20px;
    transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.intro-benefit-card:hover .intro-benefit-icon {
    background: linear-gradient(120deg, var(--accent), var(--accent-deep));
    color: #ffffff;
}

.intro-benefit-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.01em;
    margin-bottom: 10px;
}

.intro-benefit-card p {
    font-size: 0.9rem;
    color: var(--ink-2);
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 1024px) {
    .intro-benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .intro-benefits-section {
        padding: 72px 20px;
    }
}

@media (max-width: 540px) {
    .intro-benefits-grid {
        grid-template-columns: 1fr;
    }
}

.intro-tech-section {
    background: var(--surface-2);
    border-top: 1px solid var(--line);
    padding: 96px 24px;
}

.intro-tech-container {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: center;
    gap: 64px;
}

.intro-tech-text h2 {
    font-size: clamp(1.7rem, 2.8vw, 2.2rem);
    font-weight: 800;
    color: var(--ink);
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 18px;
}

.intro-tech-text p {
    font-size: 1rem;
    color: var(--ink-2);
    line-height: 1.8;
    margin-bottom: 16px;
}

.intro-tech-note {
    font-size: 0.9rem !important;
    color: var(--ink-3) !important;
    margin-bottom: 0 !important;
}

.intro-tech-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 22px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 48px 40px;
    box-shadow: var(--shadow-md);
}

.intro-tech-powered {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--ink-3);
}

.intro-tech-logo {
    max-width: 220px;
    width: 100%;
    height: auto;
    object-fit: contain;
}

@media (max-width: 900px) {
    .intro-tech-container {
        grid-template-columns: 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .intro-tech-section {
        padding: 72px 20px;
    }

    .intro-tech-card {
        padding: 40px 28px;
    }
}