@charset "UTF-8";

.swing-320-body .swing-320-page {
    --swing-320-navy: #17345c;
    --swing-320-blue: #245f9f;
    --swing-320-light-blue: #eef6fc;
    --swing-320-green: #2f775f;
    --swing-320-light-green: #eef8f3;
    --swing-320-orange: #c96426;
    --swing-320-text: #273241;
    --swing-320-muted: #5b6674;
    --swing-320-border: #d9e1e8;
    --swing-320-bg: #f7f9fb;
    --swing-320-white: #ffffff;
    color: var(--swing-320-text);
    font-family: "Noto Sans JP", sans-serif;
    font-size: 16px;
    line-height: 1.85;
    overflow-wrap: anywhere;
}

.swing-320-body .swing-320-page *,
.swing-320-body .swing-320-page *::before,
.swing-320-body .swing-320-page *::after {
    box-sizing: border-box;
}

.swing-320-body .swing-320-page a {
    color: var(--swing-320-blue);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.swing-320-body .swing-320-page a:hover {
    color: #173f6e;
}

.swing-320-body .swing-320-page a:focus-visible {
    outline: 3px solid #f3b457;
    outline-offset: 3px;
    border-radius: 4px;
}

.swing-320-body .swing-320-page h2,
.swing-320-body .swing-320-page h3,
.swing-320-body .swing-320-page p,
.swing-320-body .swing-320-page ul,
.swing-320-body .swing-320-page ol {
    margin-top: 0;
}

.swing-320-body .swing-320-page h2 {
    color: var(--swing-320-navy);
    font-size: clamp(1.45rem, 2.6vw, 2rem);
    line-height: 1.45;
}

.swing-320-body .swing-320-page h3 {
    color: var(--swing-320-navy);
    font-size: 1.13rem;
    line-height: 1.55;
}

.swing-320-body .swing-320-hero {
    margin: 0 0 32px;
    border-radius: 18px;
    overflow: hidden;
    background: #e9eef3;
    box-shadow: 0 12px 30px rgba(22, 48, 79, 0.12);
}

.swing-320-body .swing-320-hero img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.swing-320-body .swing-320-lead {
    margin-bottom: 28px;
    padding: clamp(24px, 4vw, 40px);
    border-left: 6px solid var(--swing-320-blue);
    border-radius: 0 16px 16px 0;
    background: linear-gradient(135deg, #f5faff 0%, #eef6fc 100%);
}

.swing-320-body .swing-320-lead h2 {
    margin-bottom: 18px;
}

.swing-320-body .swing-320-lead p:last-child {
    margin-bottom: 0;
}

.swing-320-body .swing-320-eyebrow {
    margin-bottom: 8px;
    color: var(--swing-320-blue);
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.swing-320-body .swing-320-summary {
    margin-bottom: 28px;
    padding: 26px 30px;
    border: 1px solid #cfe0ed;
    border-radius: 16px;
    background: var(--swing-320-white);
}

.swing-320-body .swing-320-summary h2 {
    margin-bottom: 14px;
    font-size: 1.35rem;
}

.swing-320-body .swing-320-summary ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 24px;
    margin-bottom: 0;
    padding-left: 0;
    list-style: none;
}

.swing-320-body .swing-320-summary li {
    position: relative;
    padding-left: 1.5em;
}

.swing-320-body .swing-320-summary li::before {
    position: absolute;
    top: 0.1em;
    left: 0;
    color: var(--swing-320-green);
    content: "✓";
    font-weight: 900;
}

.swing-320-body .swing-320-toc {
    margin-bottom: 54px;
    padding: 28px 32px;
    border-radius: 16px;
    background: var(--swing-320-bg);
}

.swing-320-body .swing-320-toc h2 {
    margin-bottom: 14px;
    font-size: 1.3rem;
}

.swing-320-body .swing-320-toc ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 28px;
    margin-bottom: 0;
    padding-left: 1.5em;
}

.swing-320-body .swing-320-toc a {
    display: inline-block;
    padding: 4px 0;
    font-weight: 700;
}

.swing-320-body .swing-320-section {
    margin-bottom: 64px;
    scroll-margin-top: 24px;
}

.swing-320-body .swing-320-heading {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--swing-320-border);
}

.swing-320-body .swing-320-heading > span {
    display: grid;
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 50%;
    background: var(--swing-320-navy);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 800;
}

.swing-320-body .swing-320-heading h2 {
    margin: 0;
}

.swing-320-body .swing-320-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 28px 0;
}

.swing-320-body .swing-320-card {
    padding: 24px;
    border: 1px solid var(--swing-320-border);
    border-radius: 14px;
    background: var(--swing-320-white);
    box-shadow: 0 6px 18px rgba(27, 52, 84, 0.06);
}

.swing-320-body .swing-320-card h3 {
    margin-bottom: 10px;
}

.swing-320-body .swing-320-card p:last-child {
    margin-bottom: 0;
}

.swing-320-body .swing-320-note {
    margin-top: 26px;
    padding: 22px 24px;
    border: 1px solid #f0d5be;
    border-left: 6px solid var(--swing-320-orange);
    border-radius: 12px;
    background: #fff8f2;
}

.swing-320-body .swing-320-note--light {
    border-color: #cfe0ed;
    border-left-color: var(--swing-320-blue);
    background: #f6fbff;
}

.swing-320-body .swing-320-note h3 {
    margin-bottom: 8px;
}

.swing-320-body .swing-320-note p:last-child {
    margin-bottom: 0;
}

.swing-320-body .swing-320-table-wrap {
    width: 100%;
    margin: 28px 0;
    overflow-x: auto;
    border: 1px solid var(--swing-320-border);
    border-radius: 14px;
    background: #fff;
    -webkit-overflow-scrolling: touch;
}

.swing-320-body .swing-320-table {
    width: 100%;
    min-width: 700px;
    border-collapse: collapse;
}

.swing-320-body .swing-320-table th,
.swing-320-body .swing-320-table td {
    padding: 16px 18px;
    border-right: 1px solid var(--swing-320-border);
    border-bottom: 1px solid var(--swing-320-border);
    text-align: left;
    vertical-align: top;
}

.swing-320-body .swing-320-table thead th {
    background: var(--swing-320-navy);
    color: #fff;
    font-weight: 700;
}

.swing-320-body .swing-320-table tbody th {
    width: 22%;
    background: #f3f7fa;
    color: var(--swing-320-navy);
}

.swing-320-body .swing-320-table tr:last-child th,
.swing-320-body .swing-320-table tr:last-child td {
    border-bottom: 0;
}

.swing-320-body .swing-320-table th:last-child,
.swing-320-body .swing-320-table td:last-child {
    border-right: 0;
}

.swing-320-body .swing-320-criteria {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 28px 0;
}

.swing-320-body .swing-320-criteria section {
    position: relative;
    padding: 24px 24px 24px 28px;
    border-radius: 14px;
    background: var(--swing-320-light-green);
}

.swing-320-body .swing-320-criteria section::before {
    position: absolute;
    top: 24px;
    bottom: 24px;
    left: 0;
    width: 5px;
    border-radius: 0 4px 4px 0;
    background: var(--swing-320-green);
    content: "";
}

.swing-320-body .swing-320-criteria h3 {
    margin-bottom: 10px;
    color: #255a49;
}

.swing-320-body .swing-320-criteria p:last-child {
    margin-bottom: 0;
}

.swing-320-body .swing-320-checkpoint {
    margin: 28px 0;
    padding: 26px 28px;
    border: 2px solid #cfe0ed;
    border-radius: 14px;
    background: #fff;
}

.swing-320-body .swing-320-checkpoint h3 {
    margin-bottom: 14px;
}

.swing-320-body .swing-320-checkpoint ol {
    margin-bottom: 0;
    padding-left: 1.5em;
}

.swing-320-body .swing-320-checkpoint li + li {
    margin-top: 6px;
}

.swing-320-body .swing-320-steps {
    display: grid;
    gap: 16px;
    margin: 28px 0;
}

.swing-320-body .swing-320-steps section {
    display: flex;
    gap: 18px;
    padding: 22px 24px;
    border: 1px solid var(--swing-320-border);
    border-radius: 14px;
    background: #fff;
}

.swing-320-body .swing-320-steps section > span {
    display: grid;
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
    place-items: center;
    border-radius: 10px;
    background: var(--swing-320-blue);
    color: #fff;
    font-weight: 800;
}

.swing-320-body .swing-320-steps h3 {
    margin-bottom: 8px;
}

.swing-320-body .swing-320-steps p:last-child {
    margin-bottom: 0;
}

.swing-320-body .swing-320-checklist {
    margin: 28px 0;
    padding: 26px 28px;
    border-radius: 14px;
    background: var(--swing-320-bg);
}

.swing-320-body .swing-320-checklist h3 {
    margin-bottom: 16px;
}

.swing-320-body .swing-320-checklist ul {
    margin-bottom: 0;
    padding-left: 0;
    list-style: none;
}

.swing-320-body .swing-320-checklist li {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--swing-320-border);
}

.swing-320-body .swing-320-checklist li:last-child {
    border-bottom: 0;
}

.swing-320-body .swing-320-checklist li span {
    flex: 0 0 auto;
    color: var(--swing-320-green);
    font-weight: 900;
}

.swing-320-body .swing-320-support-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 26px;
}

.swing-320-body .swing-320-support-card {
    display: flex;
    min-height: 100%;
    flex-direction: column;
    padding: 24px;
    border: 1px solid var(--swing-320-border);
    border-radius: 14px;
    background: #fff;
    color: var(--swing-320-text);
    text-decoration: none;
    box-shadow: 0 6px 18px rgba(27, 52, 84, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.swing-320-body .swing-320-support-card:hover {
    transform: translateY(-3px);
    border-color: #8fb4d5;
    color: var(--swing-320-text);
    box-shadow: 0 12px 24px rgba(27, 52, 84, 0.12);
}

.swing-320-body .swing-320-support-label {
    align-self: flex-start;
    margin-bottom: 12px;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--swing-320-light-blue);
    color: var(--swing-320-blue);
    font-size: 0.78rem;
    font-weight: 800;
}

.swing-320-body .swing-320-support-card h3 {
    margin-bottom: 10px;
}

.swing-320-body .swing-320-support-card p {
    flex: 1;
    margin-bottom: 16px;
    color: var(--swing-320-muted);
}

.swing-320-body .swing-320-link-text {
    color: var(--swing-320-blue);
    font-weight: 800;
}

.swing-320-body .swing-320-faq details {
    margin-bottom: 14px;
    border: 1px solid var(--swing-320-border);
    border-radius: 12px;
    background: #fff;
    overflow: hidden;
}

.swing-320-body .swing-320-faq summary {
    position: relative;
    padding: 20px 54px 20px 22px;
    color: var(--swing-320-navy);
    cursor: pointer;
    font-weight: 800;
    list-style: none;
}

.swing-320-body .swing-320-faq summary::-webkit-details-marker {
    display: none;
}

.swing-320-body .swing-320-faq summary::after {
    position: absolute;
    top: 50%;
    right: 22px;
    width: 24px;
    height: 24px;
    transform: translateY(-50%);
    border-radius: 50%;
    background: var(--swing-320-light-blue);
    color: var(--swing-320-blue);
    content: "+";
    font-size: 1.25rem;
    line-height: 22px;
    text-align: center;
}

.swing-320-body .swing-320-faq details[open] summary::after {
    content: "−";
}

.swing-320-body .swing-320-faq details > div {
    padding: 0 22px 20px;
    border-top: 1px solid var(--swing-320-border);
}

.swing-320-body .swing-320-faq details > div p {
    margin: 18px 0 0;
}

.swing-320-body .swing-320-related {
    margin: 0 0 64px;
    padding: clamp(24px, 4vw, 38px);
    border-radius: 18px;
    background: var(--swing-320-bg);
}

.swing-320-body .swing-320-related > h2 {
    margin-bottom: 24px;
}

.swing-320-body .swing-320-related-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.swing-320-body .swing-320-related-grid a {
    display: block;
    padding: 20px;
    border: 1px solid var(--swing-320-border);
    border-radius: 12px;
    background: #fff;
    color: var(--swing-320-text);
    text-decoration: none;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.swing-320-body .swing-320-related-grid a:hover {
    transform: translateY(-2px);
    border-color: #8fb4d5;
    color: var(--swing-320-text);
}

.swing-320-body .swing-320-related-grid span {
    display: block;
    margin-bottom: 4px;
    color: var(--swing-320-blue);
    font-size: 0.78rem;
    font-weight: 800;
}

.swing-320-body .swing-320-related-grid strong {
    display: block;
    margin-bottom: 8px;
    color: var(--swing-320-navy);
}

.swing-320-body .swing-320-related-grid p {
    margin-bottom: 0;
    color: var(--swing-320-muted);
    font-size: 0.92rem;
}

.swing-320-body .swing-320-back-link {
    margin: 24px 0 0;
    text-align: right;
}

.swing-320-body .swing-320-back-link a {
    font-weight: 800;
}

.swing-320-body .swing-320-cta {
    padding: clamp(28px, 5vw, 48px);
    border-radius: 20px;
    background: linear-gradient(135deg, #17345c 0%, #245f9f 100%);
    color: #fff;
    text-align: center;
}

.swing-320-body .swing-320-cta h2 {
    margin-bottom: 16px;
    color: #fff;
}

.swing-320-body .swing-320-cta p {
    max-width: 760px;
    margin-right: auto;
    margin-left: auto;
}

.swing-320-body .swing-320-cta-kicker {
    margin-bottom: 8px;
    color: #d9ecff;
    font-size: 0.9rem;
    font-weight: 800;
}

.swing-320-body .swing-320-cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-top: 24px;
}

.swing-320-body .swing-320-button {
    display: inline-flex;
    min-width: 220px;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    padding: 12px 22px;
    border: 2px solid #fff;
    border-radius: 999px;
    font-weight: 800;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.swing-320-body .swing-320-button--primary {
    background: #fff;
    color: var(--swing-320-navy);
}

.swing-320-body .swing-320-button--primary:hover,
.swing-320-body .swing-320-button--primary:focus-visible {
    transform: translateY(-2px);
    background: #e9f4ff;
    color: #102947;
}

.swing-320-body .swing-320-button--secondary {
    background: transparent;
    color: #fff;
}

.swing-320-body .swing-320-button--secondary:hover,
.swing-320-body .swing-320-button--secondary:focus-visible {
    transform: translateY(-2px);
    background: #fff;
    color: var(--swing-320-navy);
}

@media (max-width: 900px) {
    .swing-320-body .swing-320-support-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 650px) {
    .swing-320-body .swing-320-page {
        font-size: 15px;
        line-height: 1.8;
    }

    .swing-320-body .swing-320-hero {
        margin-bottom: 24px;
        border-radius: 12px;
    }

    .swing-320-body .swing-320-lead,
    .swing-320-body .swing-320-summary,
    .swing-320-body .swing-320-toc,
    .swing-320-body .swing-320-related,
    .swing-320-body .swing-320-cta {
        padding: 22px 18px;
    }

    .swing-320-body .swing-320-summary ul,
    .swing-320-body .swing-320-toc ol,
    .swing-320-body .swing-320-card-grid,
    .swing-320-body .swing-320-criteria,
    .swing-320-body .swing-320-related-grid {
        grid-template-columns: 1fr;
    }

    .swing-320-body .swing-320-section {
        margin-bottom: 48px;
    }

    .swing-320-body .swing-320-heading {
        align-items: flex-start;
    }

    .swing-320-body .swing-320-heading > span {
        width: 36px;
        height: 36px;
    }

    .swing-320-body .swing-320-card,
    .swing-320-body .swing-320-criteria section,
    .swing-320-body .swing-320-steps section,
    .swing-320-body .swing-320-checkpoint,
    .swing-320-body .swing-320-checklist,
    .swing-320-body .swing-320-support-card {
        padding: 20px 18px;
    }

    .swing-320-body .swing-320-steps section {
        gap: 12px;
    }

    .swing-320-body .swing-320-button {
        width: 100%;
        min-width: 0;
    }

    .swing-320-body .swing-320-back-link {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .swing-320-body .swing-320-lead {
        border-left-width: 4px;
    }

    .swing-320-body .swing-320-steps section {
        flex-direction: column;
    }

    .swing-320-body .swing-320-faq summary {
        padding: 18px 48px 18px 16px;
    }

    .swing-320-body .swing-320-faq summary::after {
        right: 14px;
    }

    .swing-320-body .swing-320-faq details > div {
        padding: 0 16px 18px;
    }
}