body {
    font-family: "Inter", "Noto Sans JP", sans-serif;
}

.en-ir-top-links {
    gap: 0.25rem;
}

.en-ir-page-header {
    background:
        radial-gradient(circle at top right, rgba(59, 130, 246, 0.12), transparent 32%),
        linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.en-ir-page-header-main {
    max-width: 52rem;
}

.en-ir-lead {
    margin-top: 1rem;
    max-width: 42rem;
    font-size: 1rem;
    line-height: 1.75;
    color: #475569;
}

.en-ir-header-links {
    margin-top: 1rem;
}

.en-ir-overview-section,
.en-ir-content-section,
.en-ir-disclaimer-section {
    padding: 4rem 0;
}

.en-ir-content-section--links {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.en-ir-overview-inner {
    display: block;
}

.en-ir-overview-card {
    padding: 2rem;
    border: 1px solid #dbe7f5;
    border-radius: 1rem;
    background:
        linear-gradient(135deg, rgba(239, 246, 255, 0.85) 0%, rgba(255, 255, 255, 0.96) 58%, rgba(248, 250, 252, 0.96) 100%);
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.06);
}

.en-ir-section-kicker {
    margin: 0 0 0.75rem;
    font-size: 0.75rem;
    line-height: 1.4;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #2563eb;
}

.en-ir-overview-copy {
    margin-top: 1rem;
    max-width: 48rem;
}

.en-ir-note {
    margin-top: 1.25rem;
    display: inline-flex;
    align-items: center;
    min-height: 2.75rem;
    padding: 0.75rem 1rem;
    border-radius: 9999px;
    background: #eff6ff;
    color: #1e3a8a;
    font-size: 0.875rem;
    line-height: 1.5;
    font-weight: 600;
}

.en-ir-section-head {
    margin-bottom: 1.75rem;
}

.en-ir-info-grid,
.en-ir-link-grid {
    display: grid;
    gap: 1.25rem;
}

.en-ir-info-card,
.en-ir-link-card {
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.en-ir-info-card {
    padding: 1.5rem;
}

.en-ir-card-title {
    margin: 0 0 1rem;
    font-size: 1.125rem;
    line-height: 1.4;
    font-weight: 700;
    color: #0f172a;
}

.en-ir-data-list {
    display: grid;
    gap: 0.875rem;
}

.en-ir-data-row {
    display: grid;
    gap: 0.25rem;
    padding-bottom: 0.875rem;
    border-bottom: 1px solid #e2e8f0;
}

.en-ir-data-row:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.en-ir-data-row dt {
    font-size: 0.75rem;
    line-height: 1.4;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #64748b;
}

.en-ir-data-row dd,
.en-ir-data-row dd a {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
    color: #1f2937;
}

.en-ir-data-row dd a {
    color: #2563eb;
    text-decoration: none;
}

.en-ir-data-row dd a:hover {
    text-decoration: underline;
}

.en-ir-link-card {
    display: block;
    padding: 1.5rem;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.en-ir-link-card:hover {
    transform: translateY(-2px);
    border-color: #93c5fd;
    box-shadow: 0 14px 34px rgba(37, 99, 235, 0.10);
}

.en-ir-link-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    line-height: 1.5;
    font-weight: 700;
    color: #0f172a;
}

.en-ir-link-copy {
    display: block;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: #475569;
}

.en-ir-support-layout {
    align-items: stretch;
}

.en-ir-support-group {
    padding-top: 0;
}

@media (min-width: 768px) {
    .en-ir-info-grid,
    .en-ir-link-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .en-ir-link-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 767.98px) {
    .en-ir-overview-section,
    .en-ir-content-section,
    .en-ir-disclaimer-section {
        padding: 3rem 0;
    }

    .en-ir-overview-card,
    .en-ir-info-card,
    .en-ir-link-card {
        border-radius: 0.875rem;
    }

    .en-ir-note {
        display: block;
        border-radius: 0.875rem;
    }

}