.page-support {
        color: #333333;
        background-color: var(--bg-color);
        font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        max-width: 100%;
        overflow-x: hidden;
    }
    .page-support a {
        color: #2F6BFF;
        text-decoration-color: #6FA3FF;
        text-decoration-thickness: 1px;
        text-underline-offset: 2px;
    }
    .page-support a:focus-visible {
        outline: 3px solid #6FA3FF;
        outline-offset: 2px;
        border-radius: 4px;
    }
    .page-support__hero-section {
        padding: 10px 16px 8px;
        background-color: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .page-support__hero-image-wrap {
        width: 100%;
        max-width: 1200px;
    }
    .page-support__hero-image {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 5;
        object-fit: cover;
        border-radius: 16px;
        display: block;
        box-shadow: 0 8px 24px rgba(47, 107, 255, 0.15);
    }
    .page-support__hero-content {
        width: 100%;
        max-width: 900px;
        text-align: center;
        padding: 20px 0 10px;
        margin-top: 20px;
        box-sizing: border-box;
    }
    .page-support__hero-title {
        font-weight: 800;
        line-height: 1.25;
        letter-spacing: -0.01em;
        color: #1F2D3D;
        margin: 0 0 12px;
        max-width: 850px;
        margin-left: auto;
        margin-right: auto;
        font-size: clamp(1.4rem, 2.5vw, 2.2rem);
    }
    .page-support__hero-subtitle {
        font-size: 1rem;
        color: #3c4c63;
        max-width: 720px;
        margin: 0 auto 20px;
        line-height: 1.7;
    }
    .page-support__hero-actions {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }
    .page-support__btn {
        display: inline-block;
        border-radius: 999px;
        background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
        color: #ffffff;
        font-weight: 700;
        padding: 13px 28px;
        text-decoration: none;
        text-align: center;
        border: none;
        box-shadow: 0 4px 14px rgba(47, 107, 255, 0.25);
        transition: opacity 0.2s, transform 0.2s;
        box-sizing: border-box;
        min-height: 44px;
    }
    .page-support__btn:hover {
        opacity: 0.92;
        transform: translateY(-1px);
    }
    .page-support__btn:focus-visible {
        outline: 3px solid #A5C4FF;
        outline-offset: 2px;
    }
    .page-support__btn--secondary {
        background: #ffffff;
        color: #2F6BFF;
        border: 2px solid #6FA3FF;
        box-shadow: none;
        font-weight: 600;
    }
    .page-support__partner-section {
        padding: 20px 16px 24px;
        background-color: #fff;
    }
    .page-support__partner-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        max-width: 1200px;
        margin: 0 auto;
        box-sizing: border-box;
    }
    .page-support__partner-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background-color: #FFFFFF;
        border: 1px solid #D6E2FF;
        border-radius: 14px;
        padding: 12px;
        box-sizing: border-box;
        text-align: center;
    }
    .page-support__partner-logo {
        width: 100%;
        height: auto;
        aspect-ratio: 2 / 1;
        object-fit: cover;
        border-radius: 8px;
        box-sizing: border-box;
    }
    .page-support__partner-cta {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
        color: #ffffff;
        border-radius: 999px;
        padding: 10px 22px;
        min-height: 44px;
        font-weight: 700;
        text-decoration: none;
        max-width: 100%;
        box-sizing: border-box;
        white-space: normal;
        word-wrap: break-word;
        border: none;
        margin-top: 8px;
        box-shadow: 0 4px 12px rgba(47, 107, 255, 0.2);
        transition: opacity 0.2s;
    }
    .page-support__partner-cta:hover {
        opacity: 0.9;
    }
    .page-support__partner-item:nth-child(5) { grid-column: 2; }
    .page-support__partner-item:nth-child(6) { grid-column: 3; }
    .page-support__guide-section {
        background-color: #F4F7FB;
        padding-bottom: 48px;
    }
    .page-support__guide-inner {
        max-width: 1000px;
        margin: 0 auto;
        padding: 24px 16px 0;
        box-sizing: border-box;
    }
    .page-support__guide-title {
        text-align: center;
        font-weight: 800;
        line-height: 1.3;
        letter-spacing: -0.01em;
        color: #1F2D3D;
        margin: 0 0 24px;
        font-size: clamp(1.3rem, 2.2vw, 2rem);
    }
    .page-support__guide-article {
        background-color: #FFFFFF;
        border: 1px solid #D6E2FF;
        border-radius: 16px;
        padding: 24px;
        margin-bottom: 20px;
        box-shadow: 0 8px 24px rgba(47, 107, 255, 0.08);
        box-sizing: border-box;
    }
    .page-support__guide-article h3 {
        color: #2F6BFF;
        font-size: clamp(1.2rem, 1.8vw, 1.5rem);
        margin-top: 0;
        margin-bottom: 12px;
    }
    .page-support__guide-article p {
        line-height: 1.7;
        color: #333333;
    }
    .page-support__guide-list,
    .page-support__guide-steps {
        padding-left: 24px;
        line-height: 1.7;
        color: #333333;
    }
    .page-support__guide-figure {
        margin: 20px 0 0;
        text-align: center;
    }
    .page-support__guide-image {
        width: 100%;
        max-width: 800px;
        height: auto;
        aspect-ratio: 2 / 1;
        object-fit: cover;
        border-radius: 12px;
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
        box-sizing: border-box;
    }
    .page-support__faq-item {
        background-color: #FFFFFF;
        border: 1px solid #D6E2FF;
        border-radius: 14px;
        margin-bottom: 16px;
        padding: 0 20px;
        box-sizing: border-box;
        box-shadow: 0 4px 16px rgba(47, 107, 255, 0.06);
    }
    .page-support__faq-summary::-webkit-details-marker { display: none; }
    .page-support__faq-question {
        cursor: pointer;
        list-style: none;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-weight: 700;
        color: #1F2D3D;
        font-size: 1.05rem;
        padding: 18px 0;
        user-select: none;
    }
    .page-support__faq-question::-webkit-details-marker { display: none; }
    .page-support__faq-toggle {
        color: #6FA3FF;
        font-size: 1.8rem;
        font-weight: 500;
        line-height: 1;
        margin-left: 16px;
    }
    .page-support__faq-answer {
        border-top: 1px solid #D6E2FF;
        padding: 16px 0;
        color: #333333;
        line-height: 1.7;
    }
    .page-support__guide-cta {
        text-align: center;
        margin-top: 32px;
    }
    .page-support__guide-cta .page-support__btn {
        white-space: normal;
        word-wrap: break-word;
        width: auto;
        max-width: 100%;
        box-sizing: border-box;
        padding-left: 20px;
        padding-right: 20px;
    }

    @media (max-width: 768px) {
        .page-support__hero-section { padding-top: 8px; }
        .page-support__hero-image { aspect-ratio: 4 / 3; }
        .page-support__hero-content { padding: 16px 8px 8px; }
        .page-support__partner-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .page-support__partner-item { padding: 8px; }
        .page-support__partner-item:nth-child(5) { grid-column: auto; }
        .page-support__partner-item:nth-child(6) { grid-column: auto; }
        .page-support__guide-inner { padding: 16px 12px 0; }
        .page-support__guide-article { padding: 16px; }
        .page-support__guide-figure { margin-top: 16px; }
        .page-support__btn { width: 100%; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; text-align: center; }
        .page-support__hero-actions { flex-direction: column; align-items: stretch; }
        .page-support__guide-cta .page-support__btn { width: 100%; }
        .page-support img { max-width: 100% ; height: auto ; }
    }