/* 記事03固有の部品だけを定義し、共通の文字・余白・レイアウトは article-detail.css に委ねる。 */
.article-detail .article-image-slot {
    display: grid;
    place-items: center;
}

.article-detail .method-list,
.article-detail .prep-list {
    margin: 2rem 0 2.5rem;
    border-top: 1px solid var(--article-line);
}

.article-detail .method-row,
.article-detail .prep-item {
    border-bottom: 1px solid var(--article-line-soft);
}

.article-detail .method-row {
    padding: 1.35rem 0;
}

.article-detail .method-row h3,
.article-detail .test-item h3 {
    margin: 0 0 0.45rem !important;
    color: var(--article-ink);
    font-size: 19px !important;
    font-weight: 700;
    line-height: 1.6;
}

.article-detail .method-row p,
.article-detail .test-item p {
    margin: 0 !important;
}

.article-detail .method-overview > p {
    margin-bottom: 0 !important;
}

.article-detail .method-flow {
    display: grid;
    grid-template-columns: 6.5rem minmax(0, 1fr);
    gap: 0.75rem 1.25rem;
    align-items: baseline;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--article-line-soft);
}

.article-detail .method-flow-label {
    color: var(--article-teal);
    font-size: 0.82rem;
    font-weight: 700;
    line-height: 1.7;
}

.article-detail .method-flow p {
    margin: 0 !important;
    color: var(--article-ink) !important;
    font-size: 0.96rem !important;
    font-weight: 700 !important;
    line-height: 1.7;
}

.article-detail .method-note {
    margin-top: 0.9rem !important;
    color: var(--article-muted) !important;
    font-size: 0.92rem !important;
}

.article-detail .method-common-checks {
    margin: 2.5rem 0 0;
}

.article-detail .method-common-checks h3 {
    margin: 0 0 0.8rem !important;
    color: var(--article-ink);
    font-size: 18px !important;
    font-weight: 700;
    line-height: 1.6;
}

.article-detail .method-common-checks ul {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--article-line);
}

.article-detail .method-common-checks li {
    margin: 0;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--article-line-soft);
    color: var(--article-body);
    font-size: 0.96rem;
    line-height: 1.7;
}

.article-detail .method-common-checks li::before {
    content: "";
    display: inline-block;
    width: 0.45rem;
    height: 0.45rem;
    margin: 0 0.7rem 0.1rem 0.1rem;
    border-radius: 50%;
    background: var(--article-teal);
}

.article-detail .prep-item {
    display: grid;
    grid-template-columns: 13rem minmax(0, 1fr) auto;
    gap: 0.5rem 1.5rem;
    align-items: baseline;
    padding: 1.25rem 0;
}

.article-detail .prep-item strong {
    color: var(--article-ink);
}

.article-detail .prep-item p {
    margin: 0 !important;
}

.article-detail .prep-item span {
    color: var(--article-muted);
    font-size: 0.78rem;
    line-height: 1.6;
    white-space: nowrap;
}

.article-detail .prep-groups,
.article-detail .test-groups {
    margin: 2rem 0 2.5rem;
}

.article-detail .prep-group,
.article-detail .test-group {
    padding: 1.25rem 0;
    border-top: 1px solid var(--article-line-soft);
}

.article-detail .prep-group:first-child,
.article-detail .test-group:first-child {
    border-top: 1px solid var(--article-line);
}

.article-detail .prep-group:last-child,
.article-detail .test-group:last-child {
    border-bottom: 1px solid var(--article-line);
}

.article-detail .prep-group h3,
.article-detail .test-group > h3 {
    margin: 0 0 0.65rem !important;
    color: var(--article-ink);
    font-size: 18px !important;
    font-weight: 700;
    line-height: 1.6;
}

.article-detail .prep-check-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.article-detail .prep-check-list li {
    padding: 0.75rem 0;
    border-top: 1px solid var(--article-line-soft);
}

.article-detail .prep-check-list li:first-child {
    border-top: 0;
}

.article-detail .prep-check-list strong {
    display: block;
    margin-bottom: 0.2rem;
    color: var(--article-ink);
}

.article-detail .prep-check-list span {
    display: block;
    color: var(--article-muted);
    line-height: 1.75;
}

.article-detail .editorial-note {
    margin: 2.25rem 0;
    padding: 1.25rem 0 0;
    border-top: 1px solid var(--article-line);
    color: var(--article-muted);
    font-size: 0.92rem;
    line-height: 1.78;
}

.article-detail .editorial-note-label {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--article-teal);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.article-detail ol.steps {
    margin: 2rem 0 2.5rem;
    padding-left: 1.7rem;
    list-style: decimal;
}

.article-detail .steps li {
    margin-bottom: 1.5rem;
    padding-left: 0.4rem;
}

.article-detail .steps li::before,
.article-detail .steps li::after {
    display: none !important;
}

.article-detail .steps li:last-child {
    margin-bottom: 0;
}

.article-detail .steps li strong {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--article-ink);
}

.article-detail .steps li p {
    margin: 0 !important;
}

.article-detail .check-list {
    margin: 2rem 0 2.5rem;
    padding-left: 1.5rem;
}

.article-detail .check-list li {
    margin-bottom: 0.7rem;
}

.article-detail .flow-figure {
    margin: 2.5rem 0 3rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--article-line);
}

.article-detail .flow-figure svg {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
}

.article-detail .flow-figure figcaption {
    margin-top: 0.75rem;
    color: var(--article-muted);
    font-size: 0.82rem;
    line-height: 1.65;
}

.article-detail .code-concept {
    margin: 2.5rem 0;
    padding: 1.25rem 0;
    border-top: 1px solid var(--article-line);
    border-bottom: 1px solid var(--article-line);
    color: var(--article-muted);
    font-size: 0.92rem;
    line-height: 1.78;
}

.article-detail .code-concept strong {
    color: var(--article-ink);
}

.article-detail .test-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 2rem 0 2.5rem;
    border-top: 1px solid var(--article-line);
}

.article-detail .test-item {
    min-width: 0;
    padding: 1.35rem 1.5rem 1.35rem 0;
    border-bottom: 1px solid var(--article-line-soft);
}

.article-detail .test-item:nth-child(even) {
    padding-right: 0;
    padding-left: 1.5rem;
    border-left: 1px solid var(--article-line);
}

.article-detail .test-group .test-grid {
    margin: 0;
    border-top: 0;
}

.article-detail .test-item h4 {
    margin: 0 0 0.45rem;
    color: var(--article-ink);
    font-size: 17px;
    font-weight: 700;
    line-height: 1.6;
}

.article-detail .article-cta-inline {
    margin: 2.5rem 0 3.5rem;
    padding: 1.4rem 0;
    border: 0 !important;
}

.article-detail .article-cta-inline > p {
    margin: 0 0 1rem;
    color: var(--article-ink);
    font-weight: 700;
}

.article-detail .article-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.article-detail .article-cta-actions a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    padding: 0.65rem 1.1rem;
    border: 1px solid #0f766e;
    border-radius: 4px;
    color: #0f766e;
    font-weight: 700;
    line-height: 1.4;
    text-decoration: none !important;
}

.article-detail .article-cta-actions a.article-cta-primary {
    background: #0f766e;
    color: #fff;
}

.article-detail .article-cta-actions a.article-cta-secondary {
    border-color: #94a3b8;
    background: transparent;
    color: #475569;
}

.related-articles {
    width: 100%;
    margin: 0;
    padding: 4.5rem 0 4rem;
    background: #f9f9f9;
}

.related-inner {
    width: 100%;
    max-width: 1040px;
    margin: 0 auto;
}

.article-shell .related-articles .related-inner > h2 {
    display: block;
    margin: 0 0 3.5rem;
    padding: 0;
    border: 0;
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: normal;
}

.article-shell .related-articles .related-inner > h2::before {
    display: none !important;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
}

.related-card {
    display: block;
    min-width: 0;
    color: var(--article-body);
    text-decoration: none !important;
}

.related-card-media {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 1.9 / 1;
    margin-bottom: 1rem;
    border: 1px solid #d9dee7;
    background: #fafafa;
    overflow: hidden;
}

.related-card:hover {
    transform: none;
    box-shadow: none;
}

.related-card:hover .related-card-media {
    border-color: #0f766e;
}

.related-card-meta {
    display: flex;
    min-height: 1.5rem;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.65rem;
    color: var(--article-body);
}

.related-category,
.related-date {
    color: #64748b;
    font-size: 12px;
    line-height: 1.75;
}

.related-date {
    white-space: nowrap;
}

.article-shell .related-articles .related-card h3 {
    margin: 0;
    padding: 0;
    border: 0;
    color: var(--color-brand-dark);
    font-size: 18px;
    font-weight: 500;
    line-height: 1.75;
}

.article-detail .source-list {
    margin: 1.5rem 0 2.5rem;
    padding-left: 1.4rem;
}

.article-detail .source-list li {
    margin-bottom: 0.65rem;
    font-size: 0.95rem;
}

.article-detail .source-list li span {
    color: var(--article-muted);
    font-size: 0.82em;
}

@media (max-width: 768px) {
    .article-detail .prep-item {
        display: block;
    }

    .article-detail .method-flow {
        display: block;
    }

    .article-detail .method-flow-label {
        display: block;
        margin-bottom: 0.25rem;
    }

    .article-detail .prep-item p {
        margin: 0.35rem 0 0.5rem !important;
    }

    .article-detail .prep-item span {
        display: block;
        white-space: normal;
    }

    .article-detail .test-grid {
        grid-template-columns: 1fr;
    }

    .article-detail .test-item,
    .article-detail .test-item:nth-child(even) {
        padding: 1.15rem 0;
        border-left: 0;
    }

    .article-detail .article-cta-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .article-detail .article-cta-actions a {
        width: 100%;
    }

    .related-articles {
        padding: 3.5rem 0 3rem;
    }

    .related-inner {
        padding: 0 1.5rem;
        box-sizing: border-box;
    }

    .article-shell .related-articles .related-inner > h2 {
        margin-bottom: 2.5rem;
        font-size: 24px;
        font-weight: 700;
        line-height: 1.5;
    }

    .related-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .related-category,
    .related-date {
        font-size: 10px;
        line-height: 1.75;
    }

    .article-shell .related-articles .related-card h3 {
        font-size: 14px;
        line-height: 1.5;
    }

    .article-detail .flow-figure {
        margin-top: 2rem;
        overflow: hidden;
    }

    .article-detail .flow-figure svg {
        min-width: 0;
    }
}