@charset "UTF-8";

.swing-317-body {
    color: #2f3438;
    font-family: "Noto Sans JP", sans-serif;
    line-height: 1.85;
}

.swing-317-page {
    --swing-317-main: #166d75;
    --swing-317-main-dark: #0d4c53;
    --swing-317-main-soft: #eaf7f7;
    --swing-317-accent: #d17d22;
    --swing-317-accent-dark: #96530f;
    --swing-317-cream: #fff8ea;
    --swing-317-border: #d8e4e4;
    --swing-317-text: #2f3438;
    --swing-317-muted: #5f6c70;
    max-width: 980px;
    margin: 0 auto;
    padding: 0 0 72px;
    color: var(--swing-317-text);
}

.swing-317-page *,
.swing-317-page *::before,
.swing-317-page *::after {
    box-sizing: border-box;
}

.swing-317-page a {
    color: #1f5f8b;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}

.swing-317-page a:hover,
.swing-317-page a:focus-visible {
    color: #123d5a;
}

.swing-317-page a:focus-visible,
.swing-317-page summary:focus-visible,
.swing-317-table-wrap:focus-visible {
    outline: 3px solid rgba(209, 125, 34, 0.48);
    outline-offset: 4px;
}

.swing-317-page .pageTitle {
    margin: 12px 0 24px;
    padding: 0 0 16px;
    border-bottom: 4px solid var(--swing-317-main);
    color: #173f43;
    font-size: clamp(2rem, 4vw, 3.1rem);
    line-height: 1.35;
    letter-spacing: 0.02em;
}

.swing-317-hero {
    overflow: hidden;
    margin-bottom: 30px;
    border-radius: 20px;
    background: #e8eeee;
    box-shadow: 0 18px 42px rgba(22, 87, 94, 0.16);
}

.swing-317-hero img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.swing-317-lead,
.swing-317-summary,
.swing-317-toc,
.swing-317-section,
.swing-317-related,
.swing-317-cta {
    margin-top: 44px;
}

.swing-317-lead {
    padding: clamp(26px, 5vw, 46px);
    border: 1px solid #e9dbc5;
    border-left: 8px solid var(--swing-317-accent);
    border-radius: 18px;
    background: linear-gradient(135deg, #fffdfa 0%, var(--swing-317-cream) 100%);
}

.swing-317-eyebrow {
    margin: 0 0 8px;
    color: var(--swing-317-accent-dark);
    font-size: 0.92rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.swing-317-lead h2,
.swing-317-cta h2 {
    margin: 0 0 18px;
    padding: 0;
    border: 0;
    color: #26494d;
    font-size: clamp(1.55rem, 3vw, 2.25rem);
    line-height: 1.45;
}

.swing-317-lead p:last-child,
.swing-317-cta p:last-child {
    margin-bottom: 0;
}

.swing-317-page h2 {
    margin: 0 0 24px;
    padding: 0 0 12px 18px;
    border-left: 6px solid var(--swing-317-main);
    border-bottom: 1px solid var(--swing-317-border);
    color: #173f43;
    font-size: clamp(1.55rem, 3vw, 2.05rem);
    line-height: 1.45;
}

.swing-317-page h3 {
    margin: 30px 0 12px;
    color: #22565c;
    font-size: clamp(1.16rem, 2vw, 1.38rem);
    line-height: 1.55;
}

.swing-317-summary-grid,
.swing-317-role-grid,
.swing-317-compare-grid,
.swing-317-service-grid,
.swing-317-related-grid {
    display: grid;
    gap: 18px;
}

.swing-317-summary-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.swing-317-summary-item {
    min-height: 150px;
    padding: 22px 18px;
    border: 1px solid var(--swing-317-border);
    border-radius: 15px;
    background: #fff;
    box-shadow: 0 7px 20px rgba(30, 80, 86, 0.07);
}

.swing-317-summary-item span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-bottom: 12px;
    border-radius: 50%;
    background: var(--swing-317-main);
    color: #fff;
    font-weight: 800;
}

.swing-317-summary-item p {
    margin: 0;
    font-weight: 700;
    line-height: 1.65;
}

.swing-317-toc {
    padding: 26px 30px;
    border: 1px solid #c9e2e3;
    border-radius: 16px;
    background: var(--swing-317-main-soft);
}

.swing-317-toc h2 {
    margin-bottom: 14px;
    padding: 0;
    border: 0;
    font-size: 1.35rem;
}

.swing-317-toc ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 28px;
    margin: 0;
    padding-left: 1.5em;
}

.swing-317-toc a {
    display: inline-block;
    padding: 5px 0;
    color: var(--swing-317-main-dark);
    font-weight: 700;
}

.swing-317-section,
.swing-317-related {
    scroll-margin-top: 90px;
}

.swing-317-role-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 24px;
}

.swing-317-role-card {
    padding: 24px;
    border: 1px solid var(--swing-317-border);
    border-top: 5px solid var(--swing-317-accent);
    border-radius: 14px;
    background: #fff;
}

.swing-317-role-card h3 {
    margin-top: 0;
}

.swing-317-role-card p {
    margin-bottom: 0;
}

.swing-317-note {
    margin-top: 24px;
    padding: 22px 26px;
    border-radius: 14px;
    background: #f1f7f7;
}

.swing-317-note strong {
    display: block;
    margin-bottom: 6px;
    color: var(--swing-317-main-dark);
    font-size: 1.12rem;
}

.swing-317-note p {
    margin: 0;
}

.swing-317-note-warning {
    border-left: 6px solid var(--swing-317-accent);
    background: #fff8ef;
}

.swing-317-table-wrap {
    overflow-x: auto;
    margin: 24px 0;
    border: 1px solid var(--swing-317-border);
    border-radius: 14px;
    -webkit-overflow-scrolling: touch;
}

.swing-317-table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
    background: #fff;
}

.swing-317-table th,
.swing-317-table td {
    padding: 15px 16px;
    border-right: 1px solid #e2eaea;
    border-bottom: 1px solid #e2eaea;
    text-align: left;
    vertical-align: top;
}

.swing-317-table thead th {
    background: var(--swing-317-main);
    color: #fff;
    font-weight: 800;
}

.swing-317-table tbody th {
    width: 20%;
    background: #eef8f8;
    color: var(--swing-317-main-dark);
}

.swing-317-table tr:last-child th,
.swing-317-table tr:last-child td {
    border-bottom: 0;
}

.swing-317-table th:last-child,
.swing-317-table td:last-child {
    border-right: 0;
}

.swing-317-compare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 24px 0;
}

.swing-317-compare-card {
    position: relative;
    overflow: hidden;
    padding: 28px;
    border: 1px solid #d4e5e5;
    border-radius: 16px;
    background: linear-gradient(145deg, #fff 0%, #f0f8f8 100%);
}

.swing-317-compare-card::after {
    position: absolute;
    right: -34px;
    bottom: -48px;
    width: 150px;
    height: 150px;
    border: 20px solid rgba(22, 109, 117, 0.08);
    border-radius: 50%;
    content: "";
}

.swing-317-size-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 94px;
    margin: 0;
    padding: 8px 15px;
    border-radius: 999px;
    background: var(--swing-317-main);
    color: #fff;
    font-size: 1.2rem;
    font-weight: 900;
}

.swing-317-compare-card h3,
.swing-317-compare-card p {
    position: relative;
    z-index: 1;
}

.swing-317-check-panel {
    margin: 26px 0;
    padding: 26px 30px;
    border: 1px solid #ead5bd;
    border-radius: 16px;
    background: #fff9f1;
}

.swing-317-check-panel h3 {
    margin-top: 0;
    color: var(--swing-317-accent-dark);
}

.swing-317-check-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 24px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.swing-317-check-list li {
    position: relative;
    padding-left: 30px;
}

.swing-317-check-list li::before {
    position: absolute;
    top: 0.14em;
    left: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--swing-317-accent);
    color: #fff;
    content: "✓";
    font-size: 0.82rem;
    font-weight: 900;
}

.swing-317-steps {
    display: grid;
    gap: 14px;
    margin-top: 24px;
}

.swing-317-step {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
    padding: 22px 24px;
    border: 1px solid var(--swing-317-border);
    border-radius: 14px;
    background: #fff;
}

.swing-317-step > span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--swing-317-accent);
    color: #fff;
    font-size: 1.25rem;
    font-weight: 900;
}

.swing-317-step h3 {
    margin: 0 0 6px;
}

.swing-317-step p {
    margin: 0;
}

.swing-317-formula {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: center;
    margin: 26px 0;
    padding: 28px 24px;
    border-radius: 16px;
    background: var(--swing-317-main-dark);
    color: #fff;
    font-weight: 800;
}

.swing-317-formula span {
    padding: 9px 13px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.13);
}

.swing-317-formula b {
    font-size: 1.45rem;
}

.swing-317-service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 24px;
}

.swing-317-service-card {
    display: flex;
    flex-direction: column;
    min-height: 210px;
    padding: 26px 22px;
    border: 1px solid var(--swing-317-border);
    border-radius: 16px;
    background: #fff;
    color: var(--swing-317-text) !important;
    text-decoration: none;
    box-shadow: 0 8px 22px rgba(25, 77, 83, 0.07);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.swing-317-service-card:hover,
.swing-317-service-card:focus-visible {
    border-color: var(--swing-317-main);
    color: var(--swing-317-text) !important;
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(25, 77, 83, 0.13);
}

.swing-317-service-card i {
    margin-bottom: 18px;
    color: var(--swing-317-accent);
    font-size: 2rem;
}

.swing-317-service-card strong {
    margin-bottom: 8px;
    color: var(--swing-317-main-dark);
    font-size: 1.18rem;
}

.swing-317-service-card span {
    color: var(--swing-317-muted);
    line-height: 1.65;
}

.swing-317-faq details {
    overflow: hidden;
    margin-bottom: 14px;
    border: 1px solid var(--swing-317-border);
    border-radius: 14px;
    background: #fff;
}

.swing-317-faq summary {
    position: relative;
    padding: 20px 54px 20px 24px;
    color: var(--swing-317-main-dark);
    cursor: pointer;
    font-weight: 800;
    list-style: none;
}

.swing-317-faq summary::-webkit-details-marker {
    display: none;
}

.swing-317-faq summary::after {
    position: absolute;
    top: 50%;
    right: 22px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--swing-317-main-soft);
    color: var(--swing-317-main-dark);
    content: "+";
    text-align: center;
    line-height: 25px;
    transform: translateY(-50%);
}

.swing-317-faq details[open] summary::after {
    content: "−";
}

.swing-317-faq details > div {
    padding: 0 24px 22px;
    border-top: 1px solid #edf2f2;
}

.swing-317-faq details p {
    margin: 18px 0 0;
}

.swing-317-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.swing-317-related-grid a {
    display: flex;
    flex-direction: column;
    padding: 20px 22px;
    border: 1px solid var(--swing-317-border);
    border-radius: 14px;
    background: #fff;
    color: var(--swing-317-text) !important;
    text-decoration: none;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.swing-317-related-grid a:hover,
.swing-317-related-grid a:focus-visible {
    border-color: var(--swing-317-main);
    background: var(--swing-317-main-soft);
    color: var(--swing-317-text) !important;
}

.swing-317-related-grid strong {
    margin-bottom: 6px;
    color: var(--swing-317-main-dark);
}

.swing-317-related-grid span {
    color: var(--swing-317-muted);
    font-size: 0.94rem;
}

.swing-317-back {
    margin-top: 24px;
}

.swing-317-back a {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    color: var(--swing-317-main-dark);
    font-weight: 800;
}

.swing-317-cta {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.65fr);
    gap: 30px;
    align-items: center;
    padding: clamp(28px, 5vw, 46px);
    border-radius: 20px;
    background: linear-gradient(135deg, #eefafa 0%, #fff8ea 100%);
    box-shadow: 0 16px 38px rgba(22, 82, 88, 0.12);
}

.swing-317-cta-buttons {
    display: grid;
    gap: 12px;
}

.swing-317-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    padding: 14px 20px;
    border: 2px solid transparent;
    border-radius: 999px;
    font-weight: 800;
    text-align: center;
    text-decoration: none !important;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.swing-317-button-primary {
    border-color: var(--swing-317-main);
    background: var(--swing-317-main);
    color: #fff !important;
}

.swing-317-button-primary:hover,
.swing-317-button-primary:focus-visible {
    border-color: var(--swing-317-main-dark);
    background: var(--swing-317-main-dark);
    color: #fff !important;
    transform: translateY(-2px);
}

.swing-317-button-secondary {
    border-color: var(--swing-317-accent-dark);
    background: #fff;
    color: var(--swing-317-accent-dark) !important;
}

.swing-317-button-secondary:hover,
.swing-317-button-secondary:focus-visible {
    border-color: var(--swing-317-accent-dark);
    background: var(--swing-317-accent-dark);
    color: #fff !important;
    transform: translateY(-2px);
}

@media (max-width: 1100px) {
    .swing-317-page {
        padding-right: 18px;
        padding-left: 18px;
    }

    .swing-317-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .swing-317-service-grid {
        grid-template-columns: 1fr;
    }

    .swing-317-service-card {
        min-height: 0;
    }
}

@media (max-width: 650px) {
    .swing-317-page {
        padding-right: 14px;
        padding-left: 14px;
    }

    .swing-317-page .pageTitle {
        margin-top: 8px;
        font-size: clamp(1.72rem, 8vw, 2.25rem);
    }

    .swing-317-hero {
        margin-right: -4px;
        margin-left: -4px;
        border-radius: 12px;
    }

    .swing-317-lead,
    .swing-317-summary,
    .swing-317-toc,
    .swing-317-section,
    .swing-317-related,
    .swing-317-cta {
        margin-top: 34px;
    }

    .swing-317-lead,
    .swing-317-toc,
    .swing-317-check-panel,
    .swing-317-cta {
        padding: 22px 18px;
    }

    .swing-317-page h2 {
        padding-left: 12px;
        font-size: 1.46rem;
    }

    .swing-317-summary-grid,
    .swing-317-role-grid,
    .swing-317-compare-grid,
    .swing-317-related-grid,
    .swing-317-check-list {
        grid-template-columns: 1fr;
    }

    .swing-317-summary-item {
        min-height: 0;
    }

    .swing-317-toc ol {
        grid-template-columns: 1fr;
        gap: 3px;
    }

    .swing-317-step {
        grid-template-columns: 44px minmax(0, 1fr);
        gap: 13px;
        padding: 18px 16px;
    }

    .swing-317-step > span {
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }

    .swing-317-formula {
        align-items: stretch;
        flex-direction: column;
        padding: 22px 18px;
        text-align: center;
    }

    .swing-317-formula b {
        line-height: 1;
    }

    .swing-317-cta {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .swing-317-page {
        padding-right: 10px;
        padding-left: 10px;
    }

    .swing-317-lead {
        border-left-width: 5px;
    }

    .swing-317-table {
        min-width: 680px;
    }

    .swing-317-role-card,
    .swing-317-compare-card,
    .swing-317-service-card,
    .swing-317-related-grid a {
        padding: 20px 17px;
    }

    .swing-317-faq summary {
        padding: 18px 48px 18px 16px;
    }

    .swing-317-faq details > div {
        padding: 0 16px 18px;
    }
}