.seo-cocon {
    background: linear-gradient(180deg, #f4fafd 0%, #ffffff 42%, #f7fbf8 100%);
    color: var(--text-main);
}

.seo-cocon article {
    max-width: 1180px;
    margin: 0 auto;
    padding: 48px 24px 72px;
}

.seo-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 40px;
    align-items: center;
    padding: 32px 0 40px;
}

.seo-eyebrow {
    margin: 0 0 14px;
    color: #7d5f12;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
}

.seo-hero h1 {
    max-width: 760px;
    margin: 0;
    color: var(--text-main);
    font-size: 2.7rem;
    line-height: 1.08;
}

.seo-lead {
    max-width: 760px;
    margin: 20px 0 0;
    color: var(--text-secondary);
    font-size: 1.13rem;
    line-height: 1.75;
}

.seo-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.seo-product-visual {
    margin: 0;
    overflow: hidden;
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    background: #ffffff;
    box-shadow: var(--shadow-lg);
}

.seo-product-visual img {
    display: block;
    width: 100%;
    height: auto;
}

.seo-product-visual figcaption {
    padding: 12px 16px 16px;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.45;
}

.seo-summary {
    display: grid;
    grid-template-columns: minmax(180px, 0.8fr) repeat(4, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    background: var(--border-soft);
    box-shadow: var(--shadow-sm);
}

.seo-summary > * {
    margin: 0;
    padding: 18px;
    background: #ffffff;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.seo-summary span {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
}

.seo-summary strong {
    display: block;
    color: var(--stressup-blue);
    font-size: 1rem;
}

.seo-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 36px;
    margin-top: 42px;
}

.seo-content {
    min-width: 0;
}

.seo-content h2 {
    margin: 38px 0 16px;
    color: var(--text-main);
    font-size: 1.65rem;
    line-height: 1.25;
}

.seo-content h2:first-child {
    margin-top: 0;
}

.seo-content p,
.seo-content li {
    color: var(--text-secondary);
    font-size: 1.04rem;
    line-height: 1.85;
}

.seo-content p {
    margin: 0 0 18px;
}

.seo-content ol,
.seo-content ul {
    margin: 0 0 24px;
    padding-left: 24px;
}

.seo-content table {
    width: 100%;
    margin: 20px 0 30px;
    border-collapse: collapse;
    overflow: hidden;
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    background: #ffffff;
    box-shadow: var(--shadow-sm);
}

.seo-content th,
.seo-content td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-soft);
    text-align: left;
    vertical-align: top;
}

.seo-content th {
    background: #eef8f6;
    color: var(--text-main);
    font-size: 0.9rem;
}

.seo-content tr:last-child td {
    border-bottom: 0;
}

.seo-sidebar {
    position: sticky;
    top: 96px;
    align-self: start;
}

.seo-side-block {
    margin-bottom: 18px;
    padding: 18px;
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    background: #ffffff;
    box-shadow: var(--shadow-sm);
}

.seo-side-block h2 {
    margin: 0 0 14px;
    color: var(--text-main);
    font-size: 1rem;
    line-height: 1.3;
}

.seo-side-block nav {
    display: grid;
    gap: 8px;
}

.seo-side-block nav a {
    display: block;
    padding: 10px 12px;
    border: 1px solid transparent;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.94rem;
    line-height: 1.35;
    transition: var(--transition-fast);
}

.seo-side-block nav a:hover,
.seo-side-block nav a.active {
    border-color: #b7e8df;
    background: #eef8f6;
    color: var(--stressup-blue);
}

.seo-cta {
    border-color: #f4cf80;
    background: #fffaf0;
}

.seo-cta p {
    margin: 0 0 16px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.seo-faq {
    margin-top: 42px;
}

.seo-faq details {
    margin-bottom: 10px;
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    background: #ffffff;
}

.seo-faq summary {
    cursor: pointer;
    padding: 14px 16px;
    color: var(--text-main);
    font-weight: 700;
}

.seo-faq details p {
    margin: 0;
    padding: 0 16px 16px;
}

@media (max-width: 980px) {
    .seo-hero,
    .seo-layout,
    .seo-summary {
        grid-template-columns: 1fr;
    }

    .seo-sidebar {
        position: static;
    }

    .seo-hero h1 {
        font-size: 2.15rem;
    }
}

@media (max-width: 620px) {
    .seo-cocon article {
        padding: 32px 16px 56px;
    }

    .seo-hero {
        gap: 28px;
        padding-top: 20px;
    }

    .seo-hero h1 {
        font-size: 1.85rem;
    }

    .seo-lead,
    .seo-content p,
    .seo-content li {
        font-size: 1rem;
    }

    .seo-actions {
        display: grid;
    }

    .seo-content table {
        display: block;
        overflow-x: auto;
    }
}