.swing-279-body .swing-279-page {
    --s279-navy: #26354a;
    --s279-blue: #2f7482;
    --s279-blue-dark: #1f5661;
    --s279-red: #bd414f;
    --s279-red-dark: #8e2f3a;
    --s279-green: #5d7a6b;
    --s279-gold: #a77b36;
    --s279-ink: #2b3a45;
    --s279-muted: #5b6a75;
    --s279-line: #d9e2e7;
    --s279-soft: #f6f8fa;
    --s279-sky: #eef4f7;
    color: var(--s279-ink);
    font-family: "Noto Sans JP", sans-serif;
    font-size: 16px;
    line-height: 1.9;
    overflow-wrap: anywhere;
}

.swing-279-body .swing-279-page *,
.swing-279-body .swing-279-page *::before,
.swing-279-body .swing-279-page *::after {
    box-sizing: border-box;
}

.swing-279-body .swing-279-page a {
    color: var(--s279-blue);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.swing-279-body .swing-279-page a:hover,
.swing-279-body .swing-279-page a:focus-visible {
    color: var(--s279-red-dark);
}

.swing-279-body .swing-279-header {
    display: block;
    height: auto;
    padding: 10px 0 24px;
    background: transparent;
    font-family: inherit;
    font-weight: 400;
}

.swing-279-body .swing-279-eyebrow {
    margin: 0 0 8px;
    color: var(--s279-red);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .13em;
}

.swing-279-body .swing-279-title {
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--s279-navy);
    font-size: clamp(28px, 4.3vw, 44px);
    line-height: 1.35;
    letter-spacing: .02em;
    word-break: keep-all;
    overflow-wrap: normal;
}

.swing-279-body .swing-279-lead {
    margin: 18px 0 0;
    color: #445563;
    font-size: 17px;
}

.swing-279-body .swing-279-hero {
    margin: 0 0 28px;
    overflow: hidden;
    border-radius: 18px;
    background: #f4f1eb;
    box-shadow: 0 14px 35px rgba(27, 48, 65, .14);
}

.swing-279-body .swing-279-hero img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.swing-279-body .swing-279-conclusion {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 18px;
    margin: 0 0 32px;
    padding: 23px 25px;
    border: 1px solid #c7dbe4;
    border-left: 6px solid var(--s279-blue);
    border-radius: 14px;
    background: linear-gradient(135deg, #eef6fa 0%, #fff 100%);
}

.swing-279-body .swing-279-conclusion__icon {
    display: grid;
    width: 58px;
    height: 58px;
    place-items: center;
    border-radius: 50%;
    background: var(--s279-blue);
    color: #fff;
    font-size: 24px;
}

.swing-279-body .swing-279-conclusion__label {
    margin: 0 0 4px;
    color: var(--s279-blue-dark);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .08em;
}

.swing-279-body .swing-279-conclusion p:last-child {
    margin: 0;
}

.swing-279-body .swing-279-section {
    margin: 0 0 58px;
}

.swing-279-body .swing-279-anchor {
    scroll-margin-top: 90px;
}

.swing-279-body .swing-279-heading {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin: 0 0 22px;
    padding-bottom: 13px;
    border-bottom: 2px solid var(--s279-line);
}

.swing-279-body .swing-279-heading > span {
    flex: 0 0 auto;
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 12px;
    background: var(--s279-red);
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    line-height: 1;
}

.swing-279-body .swing-279-heading h2 {
    margin: 1px 0 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--s279-navy);
    font-size: clamp(23px, 3.3vw, 31px);
    line-height: 1.45;
}

.swing-279-body .swing-279-section > p {
    margin: 0 0 18px;
}

.swing-279-body .swing-279-summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 28px;
}

.swing-279-body .swing-279-summary-grid article {
    padding: 25px 22px;
    border: 1px solid var(--s279-line);
    border-top: 5px solid var(--s279-blue);
    border-radius: 15px;
    background: #fff;
    box-shadow: 0 9px 24px rgba(30, 52, 69, .06);
}

.swing-279-body .swing-279-summary-grid article:nth-child(2) {
    border-top-color: var(--s279-red);
}

.swing-279-body .swing-279-summary-grid article:nth-child(3) {
    border-top-color: var(--s279-green);
}

.swing-279-body .swing-279-summary-grid i {
    color: var(--s279-blue);
    font-size: 29px;
}

.swing-279-body .swing-279-summary-grid article:nth-child(2) i {
    color: var(--s279-red);
}

.swing-279-body .swing-279-summary-grid article:nth-child(3) i {
    color: var(--s279-green);
}

.swing-279-body .swing-279-summary-grid h3 {
    margin: 13px 0 10px;
    color: var(--s279-navy);
    font-size: 19px;
    line-height: 1.5;
}

.swing-279-body .swing-279-summary-grid p {
    margin: 0;
    color: var(--s279-muted);
}

.swing-279-body .swing-279-toc {
    margin: 0 0 46px;
    padding: 24px 26px;
    border: 1px solid var(--s279-line);
    border-radius: 14px;
    background: var(--s279-soft);
}

.swing-279-body .swing-279-toc__title {
    margin: 0 0 12px;
    color: var(--s279-navy);
    font-weight: 800;
}

.swing-279-body .swing-279-toc ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px 32px;
    margin: 0;
    padding-left: 22px;
}

.swing-279-body .swing-279-toc a {
    color: #34495b;
    font-weight: 600;
}

.swing-279-body .swing-279-file-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 17px;
    margin: 28px 0;
}

.swing-279-body .swing-279-file-grid article {
    position: relative;
    min-height: 205px;
    padding: 26px 23px 22px;
    border: 1px solid var(--s279-line);
    border-radius: 15px;
    background: #fff;
}

.swing-279-body .swing-279-file-grid article > span {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 50%;
    background: var(--s279-sky);
    color: var(--s279-blue-dark);
    font-size: 13px;
    font-weight: 800;
}

.swing-279-body .swing-279-file-grid h3 {
    margin: 15px 0 9px;
    color: var(--s279-navy);
    font-size: 19px;
    line-height: 1.5;
}

.swing-279-body .swing-279-file-grid p {
    margin: 0;
    color: var(--s279-muted);
}

.swing-279-body .swing-279-note {
    margin-top: 28px;
    padding: 22px 24px;
    border: 1px solid #ead8b2;
    border-left: 6px solid var(--s279-gold);
    border-radius: 13px;
    background: #fffaf0;
}

.swing-279-body .swing-279-note h3 {
    margin: 0 0 8px;
    color: #6c4d13;
    font-size: 18px;
}

.swing-279-body .swing-279-note p {
    margin: 0;
    color: #5f5541;
}

.swing-279-body .swing-279-step-list {
    margin: 30px 0 0;
    padding: 0;
    list-style: none;
}

.swing-279-body .swing-279-step-list li {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 18px;
    position: relative;
    padding: 0 0 28px;
}

.swing-279-body .swing-279-step-list li:not(:last-child)::before {
    content: "";
    position: absolute;
    top: 51px;
    left: 27px;
    width: 2px;
    height: calc(100% - 44px);
    background: #cbdbe2;
}

.swing-279-body .swing-279-step-list__number {
    position: relative;
    z-index: 1;
    display: grid;
    width: 56px;
    height: 56px;
    place-items: center;
    border: 5px solid #fff;
    border-radius: 50%;
    background: var(--s279-blue);
    box-shadow: 0 0 0 1px #c7d8df;
    color: #fff;
    font-size: 17px;
    font-weight: 800;
}

.swing-279-body .swing-279-step-list li > div {
    padding: 19px 22px;
    border: 1px solid var(--s279-line);
    border-radius: 14px;
    background: #fff;
}

.swing-279-body .swing-279-step-list h3 {
    margin: 0 0 8px;
    color: var(--s279-navy);
    font-size: 20px;
}

.swing-279-body .swing-279-step-list p {
    margin: 0;
}

.swing-279-body .swing-279-check-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 28px 0;
}

.swing-279-body .swing-279-check-grid article {
    position: relative;
    padding: 24px 23px 22px 74px;
    border: 1px solid var(--s279-line);
    border-radius: 14px;
    background: #fff;
}

.swing-279-body .swing-279-check-grid i {
    position: absolute;
    top: 24px;
    left: 22px;
    color: var(--s279-red);
    font-size: 30px;
}

.swing-279-body .swing-279-check-grid h3 {
    margin: 0 0 7px;
    color: var(--s279-navy);
    font-size: 19px;
}

.swing-279-body .swing-279-check-grid p {
    margin: 0;
    color: var(--s279-muted);
}

.swing-279-body .swing-279-inline-guide {
    padding: 18px 21px;
    border-radius: 11px;
    background: var(--s279-sky);
}

.swing-279-body .swing-279-table-wrap {
    width: 100%;
    margin: 26px 0 30px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--s279-line);
    border-radius: 14px;
}

.swing-279-body .swing-279-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
    background: #fff;
}

.swing-279-body .swing-279-table th,
.swing-279-body .swing-279-table td {
    padding: 16px 17px;
    border-right: 1px solid var(--s279-line);
    border-bottom: 1px solid var(--s279-line);
    vertical-align: top;
    text-align: left;
}

.swing-279-body .swing-279-table tr > *:last-child {
    border-right: 0;
}

.swing-279-body .swing-279-table tbody tr:last-child > * {
    border-bottom: 0;
}

.swing-279-body .swing-279-table thead th {
    background: var(--s279-navy);
    color: #fff;
    font-weight: 800;
}

.swing-279-body .swing-279-table tbody th {
    width: 24%;
    background: #f3f7f9;
    color: var(--s279-navy);
    font-weight: 800;
}

.swing-279-body .swing-279-tip-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 17px;
}

.swing-279-body .swing-279-tip-grid article {
    padding: 24px 22px;
    border: 1px solid var(--s279-line);
    border-radius: 14px;
    background: var(--s279-soft);
}

.swing-279-body .swing-279-tip-grid i {
    color: var(--s279-green);
    font-size: 27px;
}

.swing-279-body .swing-279-tip-grid h3 {
    margin: 12px 0 8px;
    color: var(--s279-navy);
    font-size: 18px;
}

.swing-279-body .swing-279-tip-grid p {
    margin: 0;
}

.swing-279-body .swing-279-checklist {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 11px 16px;
    margin: 26px 0 20px;
    padding: 0;
    list-style: none;
}

.swing-279-body .swing-279-checklist li {
    position: relative;
    min-height: 58px;
    padding: 15px 16px 15px 52px;
    border: 1px solid var(--s279-line);
    border-radius: 11px;
    background: #fff;
}

.swing-279-body .swing-279-checklist li span {
    position: absolute;
    top: 15px;
    left: 17px;
    display: grid;
    width: 27px;
    height: 27px;
    place-items: center;
    border-radius: 50%;
    background: #e8f2ee;
    color: var(--s279-green);
    font-weight: 900;
    line-height: 1;
}

.swing-279-body .swing-279-resource-grid,
.swing-279-body .swing-279-related-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.swing-279-body .swing-279-resource-grid a,
.swing-279-body .swing-279-related-grid a {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    column-gap: 14px;
    row-gap: 3px;
    min-height: 120px;
    padding: 22px;
    border: 1px solid var(--s279-line);
    border-radius: 14px;
    background: #fff;
    color: var(--s279-ink);
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(30, 52, 69, .045);
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.swing-279-body .swing-279-resource-grid a:hover,
.swing-279-body .swing-279-resource-grid a:focus-visible,
.swing-279-body .swing-279-related-grid a:hover,
.swing-279-body .swing-279-related-grid a:focus-visible {
    transform: translateY(-2px);
    border-color: #a9c4d0;
    color: var(--s279-ink);
    box-shadow: 0 13px 27px rgba(30, 52, 69, .09);
}

.swing-279-body .swing-279-resource-grid i {
    grid-row: 1 / 3;
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 11px;
    background: var(--s279-sky);
    color: var(--s279-blue);
    font-size: 20px;
}

.swing-279-body .swing-279-resource-grid strong,
.swing-279-body .swing-279-related-grid strong {
    color: var(--s279-navy);
    font-size: 17px;
    line-height: 1.55;
}

.swing-279-body .swing-279-resource-grid span,
.swing-279-body .swing-279-related-grid span {
    color: var(--s279-muted);
    font-size: 14px;
    line-height: 1.7;
}

.swing-279-body .swing-279-related {
    margin: 0 0 54px;
}

.swing-279-body .swing-279-related-grid a {
    display: block;
    min-height: 105px;
}

.swing-279-body .swing-279-related-grid span {
    display: block;
    margin-top: 6px;
}

.swing-279-body .swing-279-backlink {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 22px;
    font-weight: 700;
}

.swing-279-body .swing-279-faq details {
    overflow: hidden;
    border: 1px solid var(--s279-line);
    border-radius: 12px;
    background: #fff;
}

.swing-279-body .swing-279-faq details + details {
    margin-top: 13px;
}

.swing-279-body .swing-279-faq summary {
    position: relative;
    padding: 19px 54px 19px 23px;
    color: var(--s279-navy);
    font-weight: 800;
    cursor: pointer;
    list-style: none;
}

.swing-279-body .swing-279-faq summary::-webkit-details-marker {
    display: none;
}

.swing-279-body .swing-279-faq summary::after {
    content: "+";
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    color: var(--s279-blue);
    font-size: 25px;
    font-weight: 400;
}

.swing-279-body .swing-279-faq details[open] summary::after {
    content: "−";
}

.swing-279-body .swing-279-faq details > div {
    padding: 0 23px 20px;
    border-top: 1px solid var(--s279-line);
    background: #fbfcfd;
}

.swing-279-body .swing-279-faq details > div p {
    margin: 16px 0 0;
}

.swing-279-body .swing-279-final-cta {
    position: relative;
    padding: 38px 36px;
    overflow: hidden;
    border-radius: 19px;
    background: linear-gradient(135deg, #243f50 0%, #315f71 100%);
    color: #fff;
    text-align: center;
}

.swing-279-body .swing-279-final-cta::before,
.swing-279-body .swing-279-final-cta::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,.06);
}

.swing-279-body .swing-279-final-cta::before {
    top: -80px;
    right: -55px;
    width: 220px;
    height: 220px;
}

.swing-279-body .swing-279-final-cta::after {
    bottom: -85px;
    left: -55px;
    width: 180px;
    height: 180px;
}

.swing-279-body .swing-279-final-cta > * {
    position: relative;
    z-index: 1;
}

.swing-279-body .swing-279-final-cta__icon {
    display: grid;
    width: 62px;
    height: 62px;
    margin: 0 auto 13px;
    place-items: center;
    border-radius: 50%;
    background: rgba(255,255,255,.13);
    color: #fff;
    font-size: 26px;
}

.swing-279-body .swing-279-final-cta__eyebrow {
    margin: 0 0 8px;
    color: #d9e8ee;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .14em;
}

.swing-279-body .swing-279-final-cta h2 {
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: #fff;
    font-size: clamp(23px, 3.4vw, 31px);
    line-height: 1.5;
}

.swing-279-body .swing-279-final-cta > p:not(.swing-279-final-cta__eyebrow) {
    max-width: 760px;
    margin: 17px auto 0;
    color: #edf4f6;
}

.swing-279-body .swing-279-final-cta__buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-top: 25px;
}

.swing-279-body .swing-279-btn {
    display: inline-flex;
    min-width: 250px;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    padding: 13px 22px;
    border: 2px solid transparent;
    border-radius: 999px;
    font-weight: 800;
    line-height: 1.45;
    text-align: center;
    text-decoration: none;
    transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}

.swing-279-body .swing-279-btn--primary,
.swing-279-body .swing-279-btn--primary:link,
.swing-279-body .swing-279-btn--primary:visited {
    border-color: #fff;
    background-color: #fff;
    color: #244655;
}

.swing-279-body .swing-279-btn--primary:hover,
.swing-279-body .swing-279-btn--primary:focus-visible {
    border-color: #f1d9a7;
    background-color: #f1d9a7;
    color: #4d3510;
    transform: translateY(-2px);
}

.swing-279-body .swing-279-btn--secondary,
.swing-279-body .swing-279-btn--secondary:link,
.swing-279-body .swing-279-btn--secondary:visited {
    border-color: #fff;
    background-color: transparent;
    color: #fff;
}

.swing-279-body .swing-279-btn--secondary:hover,
.swing-279-body .swing-279-btn--secondary:focus-visible {
    border-color: #fff;
    background-color: #fff;
    color: #244655;
    transform: translateY(-2px);
}

@media (max-width: 1100px) {
    .swing-279-body .swing-279-summary-grid,
    .swing-279-body .swing-279-file-grid,
    .swing-279-body .swing-279-tip-grid {
        grid-template-columns: 1fr;
    }

    .swing-279-body .swing-279-file-grid article {
        min-height: 0;
    }
}

@media (max-width: 650px) {
    .swing-279-body .swing-279-page {
        font-size: 15px;
        line-height: 1.85;
    }

    .swing-279-body .swing-279-header {
        padding-bottom: 18px;
    }

    .swing-279-body .swing-279-title {
        font-size: 29px;
        line-height: 1.38;
    }

    .swing-279-body .swing-279-lead {
        font-size: 16px;
    }

    .swing-279-body .swing-279-hero {
        border-radius: 12px;
    }

    .swing-279-body .swing-279-conclusion {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    .swing-279-body .swing-279-conclusion__icon {
        width: 50px;
        height: 50px;
    }

    .swing-279-body .swing-279-section {
        margin-bottom: 46px;
    }

    .swing-279-body .swing-279-heading {
        gap: 11px;
    }

    .swing-279-body .swing-279-heading > span {
        width: 39px;
        height: 39px;
        border-radius: 10px;
        font-size: 12px;
    }

    .swing-279-body .swing-279-heading h2 {
        font-size: 23px;
    }

    .swing-279-body .swing-279-toc {
        padding: 20px;
    }

    .swing-279-body .swing-279-toc ol,
    .swing-279-body .swing-279-check-grid,
    .swing-279-body .swing-279-checklist,
    .swing-279-body .swing-279-resource-grid,
    .swing-279-body .swing-279-related-grid {
        grid-template-columns: 1fr;
    }

    .swing-279-body .swing-279-step-list li {
        grid-template-columns: 46px minmax(0, 1fr);
        gap: 11px;
    }

    .swing-279-body .swing-279-step-list__number {
        width: 46px;
        height: 46px;
        border-width: 4px;
        font-size: 15px;
    }

    .swing-279-body .swing-279-step-list li:not(:last-child)::before {
        top: 42px;
        left: 22px;
    }

    .swing-279-body .swing-279-step-list li > div {
        padding: 17px;
    }

    .swing-279-body .swing-279-check-grid article {
        padding: 20px 18px 19px 66px;
    }

    .swing-279-body .swing-279-check-grid i {
        top: 22px;
        left: 20px;
        font-size: 27px;
    }

    .swing-279-body .swing-279-resource-grid a,
    .swing-279-body .swing-279-related-grid a {
        min-height: 0;
        padding: 19px;
    }

    .swing-279-body .swing-279-final-cta {
        padding: 31px 20px;
        border-radius: 15px;
    }

    .swing-279-body .swing-279-final-cta__buttons {
        flex-direction: column;
    }

    .swing-279-body .swing-279-btn {
        width: 100%;
        min-width: 0;
    }
}

@media (max-width: 480px) {
    .swing-279-body .swing-279-title {
        font-size: 26px;
    }

    .swing-279-body .swing-279-heading h2 {
        font-size: 21px;
    }

    .swing-279-body .swing-279-file-grid article,
    .swing-279-body .swing-279-summary-grid article,
    .swing-279-body .swing-279-tip-grid article {
        padding: 20px 18px;
    }

    .swing-279-body .swing-279-step-list {
        margin-top: 24px;
    }

    .swing-279-body .swing-279-step-list li {
        grid-template-columns: 1fr;
        padding-bottom: 18px;
    }

    .swing-279-body .swing-279-step-list li:not(:last-child)::before {
        display: none;
    }

    .swing-279-body .swing-279-step-list__number {
        width: 42px;
        height: 42px;
    }

    .swing-279-body .swing-279-table th,
    .swing-279-body .swing-279-table td {
        padding: 13px 14px;
    }
}

/* Long industry-page headings must wrap within narrow viewports. */
@media (max-width: 650px) {
    .swing-279-body .swing-279-title {
        word-break: normal;
        overflow-wrap: anywhere;
    }

    .swing-279-body .swing-279-final-cta__eyebrow {
        letter-spacing: .08em;
        word-break: break-word;
        overflow-wrap: anywhere;
    }

    .swing-279-body .swing-279-table-wrap {
        max-width: 100%;
        overflow-x: auto;
    }
}

@media (max-width: 480px) {
    .swing-279-body .swing-279-final-cta h2 {
        font-size: 20px;
        line-height: 1.55;
        letter-spacing: 0;
    }
}


/* Page 251 category-hub components */
.swing-279-body .swing-279-child-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 26px 0 0;
}
.swing-279-body .swing-279-child-card {
    position: relative;
    display: grid;
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 16px;
    min-height: 145px;
    padding: 22px;
    border: 1px solid var(--s279-line);
    border-radius: 15px;
    background: #fff;
    color: var(--s279-ink);
    text-decoration: none;
    box-shadow: 0 8px 22px rgba(35,53,74,.06);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.swing-279-body .swing-279-child-card:hover,
.swing-279-body .swing-279-child-card:focus-visible {
    border-color: var(--s279-red);
    color: var(--s279-ink);
    transform: translateY(-3px);
    box-shadow: 0 13px 30px rgba(35,53,74,.12);
}
.swing-279-body .swing-279-child-card__number {
    display: grid;
    width: 54px;
    height: 54px;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(145deg,var(--s279-red),var(--s279-red-dark));
    color: #fff;
    font-size: 14px;
    font-weight: 800;
}
.swing-279-body .swing-279-child-card h3 {
    margin: 0 0 8px;
    color: var(--s279-navy);
    font-size: 19px;
    line-height: 1.5;
}
.swing-279-body .swing-279-child-card p {
    margin: 0;
    color: var(--s279-muted);
    font-size: 15px;
}
.swing-279-body .swing-279-purpose-grid {
    display: grid;
    grid-template-columns: repeat(3,minmax(0,1fr));
    gap: 18px;
    margin: 25px 0;
}
.swing-279-body .swing-279-purpose-grid article {
    padding: 23px 21px;
    border: 1px solid var(--s279-line);
    border-radius: 15px;
    background: linear-gradient(180deg,#fff 0%,#f8fafb 100%);
}
.swing-279-body .swing-279-purpose-grid i {
    color: var(--s279-red);
    font-size: 28px;
}
.swing-279-body .swing-279-purpose-grid h3 {
    margin: 12px 0 8px;
    color: var(--s279-navy);
    font-size: 18px;
}
.swing-279-body .swing-279-purpose-grid p {margin:0;color:var(--s279-muted);}
.swing-279-body .swing-279-mini-links {
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:18px;
}
.swing-279-body .swing-279-mini-links a {
    display:inline-flex;
    align-items:center;
    min-height:42px;
    padding:9px 14px;
    border:1px solid #ccd9df;
    border-radius:999px;
    background:#fff;
    color:var(--s279-blue-dark);
    font-weight:700;
    text-decoration:none;
}
.swing-279-body .swing-279-mini-links a:hover,
.swing-279-body .swing-279-mini-links a:focus-visible {border-color:var(--s279-red);color:var(--s279-red-dark);}
@media (max-width: 900px) {
    .swing-279-body .swing-279-purpose-grid {grid-template-columns:1fr;}
}
@media (max-width: 650px) {
    .swing-279-body .swing-279-child-grid {grid-template-columns:1fr;}
    .swing-279-body .swing-279-child-card {grid-template-columns:46px minmax(0,1fr);padding:18px;min-height:0;}
    .swing-279-body .swing-279-child-card__number {width:46px;height:46px;border-radius:12px;font-size:12px;}
    .swing-279-body .swing-279-child-card h3 {font-size:17px;}
}


/* Page 258 mechanism and use-case components */
.swing-279-body .swing-279-mechanism-grid {
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:18px;
    margin:28px 0 22px;
}
.swing-279-body .swing-279-mechanism-card {
    position:relative;
    padding:25px 21px 23px;
    border:1px solid var(--s279-line);
    border-radius:16px;
    background:linear-gradient(180deg,#fff 0%,#f7fafb 100%);
    box-shadow:0 9px 24px rgba(30,52,69,.06);
}
.swing-279-body .swing-279-mechanism-card:not(:last-child)::after {
    content:"";
    position:absolute;
    top:48px;
    right:-14px;
    width:27px;
    height:2px;
    background:var(--s279-red);
    z-index:2;
}
.swing-279-body .swing-279-mechanism-card__icon {
    display:grid;
    width:52px;
    height:52px;
    place-items:center;
    border-radius:14px;
    background:var(--s279-blue);
    color:#fff;
    font-size:23px;
}
.swing-279-body .swing-279-mechanism-card:nth-child(2) .swing-279-mechanism-card__icon {background:var(--s279-red);}
.swing-279-body .swing-279-mechanism-card:nth-child(3) .swing-279-mechanism-card__icon {background:var(--s279-green);}
.swing-279-body .swing-279-mechanism-card h3 {margin:14px 0 8px;color:var(--s279-navy);font-size:19px;}
.swing-279-body .swing-279-mechanism-card p {margin:0;color:var(--s279-muted);}
.swing-279-body .swing-279-benefit-grid {
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:18px;
    margin:24px 0;
}
.swing-279-body .swing-279-benefit-grid article {
    padding:22px 22px 21px 68px;
    border:1px solid var(--s279-line);
    border-radius:15px;
    background:#fff;
    position:relative;
}
.swing-279-body .swing-279-benefit-grid i {
    position:absolute;
    left:22px;
    top:25px;
    color:var(--s279-red);
    font-size:27px;
}
.swing-279-body .swing-279-benefit-grid h3 {margin:0 0 7px;color:var(--s279-navy);font-size:18px;}
.swing-279-body .swing-279-benefit-grid p {margin:0;color:var(--s279-muted);}
.swing-279-body .swing-279-use-grid {
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:18px;
    margin:25px 0 0;
}
.swing-279-body .swing-279-use-grid article {
    padding:23px 21px;
    border:1px solid var(--s279-line);
    border-top:5px solid var(--s279-blue);
    border-radius:15px;
    background:#fff;
}
.swing-279-body .swing-279-use-grid article:nth-child(2) {border-top-color:var(--s279-red);}
.swing-279-body .swing-279-use-grid article:nth-child(3) {border-top-color:var(--s279-green);}
.swing-279-body .swing-279-use-grid h3 {margin:0 0 8px;color:var(--s279-navy);font-size:18px;}
.swing-279-body .swing-279-use-grid p {margin:0;color:var(--s279-muted);}
@media (max-width: 780px) {
    .swing-279-body .swing-279-mechanism-grid,
    .swing-279-body .swing-279-use-grid {grid-template-columns:1fr;}
    .swing-279-body .swing-279-mechanism-card:not(:last-child)::after {display:none;}
}
@media (max-width: 650px) {
    .swing-279-body .swing-279-benefit-grid {grid-template-columns:1fr;}
}


/* Page 272 round-shape and design components */
.swing-279-body .swing-279-shape-grid {
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:18px;
    margin:25px 0;
}
.swing-279-body .swing-279-shape-card {
    position:relative;
    padding:24px 21px 22px;
    border:1px solid var(--s279-line);
    border-radius:17px;
    background:linear-gradient(180deg,#fff 0%,#f7faf9 100%);
    box-shadow:0 9px 24px rgba(28,52,66,.06);
}
.swing-279-body .swing-279-shape-card__circle {
    display:grid;
    width:72px;
    height:72px;
    place-items:center;
    margin-bottom:16px;
    border-radius:50%;
    background:var(--s279-red);
    color:#fff;
    font-size:28px;
    box-shadow:0 0 0 8px rgba(201,76,89,.10);
}
.swing-279-body .swing-279-shape-card:nth-child(2) .swing-279-shape-card__circle {background:var(--s279-blue);box-shadow:0 0 0 8px rgba(43,124,134,.11);}
.swing-279-body .swing-279-shape-card:nth-child(3) .swing-279-shape-card__circle {background:var(--s279-green);box-shadow:0 0 0 8px rgba(62,133,105,.11);}
.swing-279-body .swing-279-shape-card h3 {margin:0 0 8px;color:var(--s279-navy);font-size:19px;}
.swing-279-body .swing-279-shape-card p {margin:0;color:var(--s279-muted);}
.swing-279-body .swing-279-size-grid {
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:18px;
    margin:24px 0;
}
.swing-279-body .swing-279-size-card {
    display:grid;
    grid-template-columns:96px 1fr;
    gap:18px;
    align-items:center;
    padding:22px;
    border:1px solid var(--s279-line);
    border-radius:16px;
    background:#fff;
}
.swing-279-body .swing-279-size-card__disc {
    display:grid;
    aspect-ratio:1;
    place-items:center;
    border-radius:50%;
    background:linear-gradient(145deg,var(--s279-red),#e76a70);
    color:#fff;
    font-weight:800;
    font-size:20px;
}
.swing-279-body .swing-279-size-card:nth-child(2) .swing-279-size-card__disc {background:linear-gradient(145deg,var(--s279-blue),#54a5ad);}
.swing-279-body .swing-279-size-card h3 {margin:0 0 7px;color:var(--s279-navy);font-size:19px;}
.swing-279-body .swing-279-size-card p {margin:0;color:var(--s279-muted);}
.swing-279-body .swing-279-layout-demo {
    display:grid;
    grid-template-columns:280px 1fr;
    gap:30px;
    align-items:center;
    margin:25px 0;
    padding:26px;
    border:1px solid var(--s279-line);
    border-radius:18px;
    background:linear-gradient(135deg,#f7faf9 0%,#fff 100%);
}
.swing-279-body .swing-279-layout-demo__disc {
    position:relative;
    aspect-ratio:1;
    border-radius:50%;
    background:var(--s279-red);
    box-shadow:0 10px 24px rgba(47,53,60,.12);
}
.swing-279-body .swing-279-layout-demo__disc::before {
    content:"";
    position:absolute;
    inset:15%;
    border:3px dashed rgba(255,255,255,.82);
    border-radius:50%;
}
.swing-279-body .swing-279-layout-demo__disc::after {
    content:"";
    position:absolute;
    inset:32%;
    border-radius:50%;
    background:#fff7e4;
    box-shadow:0 0 0 14px rgba(246,175,72,.92);
}
.swing-279-body .swing-279-layout-demo h3 {margin:0 0 10px;color:var(--s279-navy);font-size:21px;}
.swing-279-body .swing-279-layout-demo ul {margin:0;padding-left:1.3em;}
.swing-279-body .swing-279-layout-demo li+li {margin-top:8px;}
.swing-279-body .swing-279-use-grid {
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:18px;
    margin:24px 0;
}
.swing-279-body .swing-279-use-grid article {
    padding:22px;
    border:1px solid var(--s279-line);
    border-top:5px solid var(--s279-blue);
    border-radius:15px;
    background:#fff;
}
.swing-279-body .swing-279-use-grid article:nth-child(2) {border-top-color:var(--s279-red);}
.swing-279-body .swing-279-use-grid article:nth-child(3) {border-top-color:var(--s279-green);}
.swing-279-body .swing-279-use-grid h3 {margin:0 0 8px;color:var(--s279-navy);font-size:18px;}
.swing-279-body .swing-279-use-grid p {margin:0;color:var(--s279-muted);}
@media (max-width:780px){
    .swing-279-body .swing-279-shape-grid,
    .swing-279-body .swing-279-use-grid {grid-template-columns:1fr;}
    .swing-279-body .swing-279-layout-demo {grid-template-columns:210px 1fr;gap:22px;}
}
@media (max-width:650px){
    .swing-279-body .swing-279-size-grid {grid-template-columns:1fr;}
    .swing-279-body .swing-279-layout-demo {grid-template-columns:1fr;padding:20px;}
    .swing-279-body .swing-279-layout-demo__disc {width:min(72vw,250px);margin:0 auto;}
}
@media (max-width:430px){
    .swing-279-body .swing-279-size-card {grid-template-columns:76px 1fr;padding:18px 16px;gap:14px;}
    .swing-279-body .swing-279-size-card__disc {font-size:17px;}
}


/* Page 279 arm and component-specific modules */
.swing-279-body .swing-279-parts-flow {
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:18px;
    margin:26px 0;
}
.swing-279-body .swing-279-part-card {
    position:relative;
    padding:24px 21px 22px;
    border:1px solid var(--s279-line);
    border-radius:17px;
    background:linear-gradient(180deg,#fff 0%,#f7faf9 100%);
    box-shadow:0 9px 24px rgba(28,52,66,.06);
}
.swing-279-body .swing-279-part-card:not(:last-child)::after {
    content:"";
    position:absolute;
    top:49px;
    right:-15px;
    width:30px;
    height:3px;
    border-radius:3px;
    background:var(--s279-red);
    z-index:2;
}
.swing-279-body .swing-279-part-card__icon {
    display:grid;
    width:58px;
    height:58px;
    place-items:center;
    border-radius:16px;
    background:var(--s279-blue);
    color:#fff;
    font-size:25px;
}
.swing-279-body .swing-279-part-card:nth-child(2) .swing-279-part-card__icon {background:var(--s279-red);}
.swing-279-body .swing-279-part-card:nth-child(3) .swing-279-part-card__icon {background:var(--s279-green);}
.swing-279-body .swing-279-part-card h3 {margin:14px 0 8px;color:var(--s279-navy);font-size:19px;}
.swing-279-body .swing-279-part-card p {margin:0;color:var(--s279-muted);}
.swing-279-body .swing-279-arm-demo {
    display:grid;
    grid-template-columns:minmax(250px,340px) 1fr;
    gap:30px;
    align-items:center;
    margin:25px 0;
    padding:26px;
    border:1px solid var(--s279-line);
    border-radius:18px;
    background:linear-gradient(135deg,#f5f8f8 0%,#fff 100%);
}
.swing-279-body .swing-279-arm-demo__figure {
    position:relative;
    height:235px;
    overflow:hidden;
    border-radius:16px;
    background:#e9eeec;
}
.swing-279-body .swing-279-arm-demo__tab {
    position:absolute;
    top:26px;
    right:22px;
    width:112px;
    height:42px;
    border:2px solid #9ca8a5;
    border-radius:8px;
    background:#fff;
}
.swing-279-body .swing-279-arm-demo__tab::after {
    content:"";
    position:absolute;
    inset:10px 18px;
    background:var(--s279-red);
}
.swing-279-body .swing-279-arm-demo__arm {
    position:absolute;
    top:66px;
    right:67px;
    width:175px;
    height:95px;
    border-top:24px solid var(--s279-red);
    border-radius:55% 45% 0 0;
    transform:rotate(-12deg);
}
.swing-279-body .swing-279-arm-demo__face {
    position:absolute;
    left:33px;
    bottom:18px;
    width:126px;
    height:126px;
    border:8px solid #fff;
    border-radius:50%;
    background:var(--s279-red);
    box-shadow:0 12px 22px rgba(37,48,55,.14);
}
.swing-279-body .swing-279-arm-demo__face::before {
    content:"";
    position:absolute;
    inset:24px;
    border-radius:50%;
    background:#f0aa45;
}
.swing-279-body .swing-279-arm-demo h3 {margin:0 0 10px;color:var(--s279-navy);font-size:21px;}
.swing-279-body .swing-279-arm-demo ul {margin:0;padding-left:1.25em;}
.swing-279-body .swing-279-arm-demo li+li {margin-top:8px;}
.swing-279-body .swing-279-use-grid {
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:18px;
    margin:24px 0;
}
.swing-279-body .swing-279-use-grid article {
    padding:22px;
    border:1px solid var(--s279-line);
    border-top:5px solid var(--s279-blue);
    border-radius:15px;
    background:#fff;
}
.swing-279-body .swing-279-use-grid article:nth-child(2){border-top-color:var(--s279-red);}
.swing-279-body .swing-279-use-grid article:nth-child(3){border-top-color:var(--s279-green);}
.swing-279-body .swing-279-use-grid h3 {margin:0 0 8px;color:var(--s279-navy);font-size:18px;}
.swing-279-body .swing-279-use-grid p {margin:0;color:var(--s279-muted);}
.swing-279-body .swing-279-do-dont {
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:18px;
    margin:24px 0;
}
.swing-279-body .swing-279-do-dont article {
    padding:23px;
    border-radius:16px;
    background:#f1f7f5;
    border:1px solid #cfe1db;
}
.swing-279-body .swing-279-do-dont article:last-child {background:#fff4f3;border-color:#eccfca;}
.swing-279-body .swing-279-do-dont h3 {margin:0 0 10px;color:var(--s279-navy);font-size:19px;}
.swing-279-body .swing-279-do-dont ul {margin:0;padding-left:1.25em;}
.swing-279-body .swing-279-do-dont li+li {margin-top:7px;}
@media(max-width:780px){
    .swing-279-body .swing-279-parts-flow,
    .swing-279-body .swing-279-use-grid {grid-template-columns:1fr;}
    .swing-279-body .swing-279-part-card:not(:last-child)::after {display:none;}
    .swing-279-body .swing-279-arm-demo {grid-template-columns:230px 1fr;gap:22px;}
}
@media(max-width:650px){
    .swing-279-body .swing-279-arm-demo,
    .swing-279-body .swing-279-do-dont {grid-template-columns:1fr;}
    .swing-279-body .swing-279-arm-demo__figure {height:220px;}
}