.page-index { background: #F4F7FB; color: #1F2D3D; line-height: 1.7; }

/* Hero */
.page-index__hero-section { padding: 0; margin: 0; width: 100%; background: #fff; }
.page-index__hero-container { max-width: 1200px; margin: 0 auto; padding: 0; }
.page-index__hero-link { display: block; }
.page-index__hero-image { width: 100%; height: auto; display: block; object-fit: cover; aspect-ratio: 17/5; }

/* Logo grid */
.page-index__logo-grid-section { background: #fff; padding: 28px 16px 20px; }
.page-index__logo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px 16px; justify-items: center; max-width: 1100px; margin: 0 auto; }
.page-index__logo-item { display: flex; flex-direction: column; align-items: center; gap: 12px; width: 100%; max-width: 260px; text-align: center; }
.page-index__logo-image { width: 100%; height: auto; aspect-ratio: 2/1; object-fit: contain; display: block; }
.page-index__logo-cta { display: inline-block; padding: 10px 22px; border-radius: 999px; background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); color: #ffffff; font-weight: 700; font-size: 15px; text-decoration: none; box-shadow: 0 4px 14px rgba(47, 107, 255, 0.35); }
.page-index__logo-item:nth-child(5) { grid-column: 2; }
.page-index__logo-item:nth-child(6) { grid-column: 3; }

/* Guide */
.page-index__guide-section { background: #F4F7FB; padding: 10px 0 40px; }
.page-index__guide-inner { max-width: 940px; margin: 0 auto; padding: 16px 16px 48px; }
.page-index__guide-title { text-align: center; color: #2F6BFF; margin: 12px 0 16px; font-weight: 800; font-size: 1.75rem; line-height: 1.3; }
.page-index__guide-lead { text-align: center; font-size: 1.1rem; color: #555; margin-bottom: 32px; }
.page-index__guide-section h2 { color: #2F6BFF; font-size: 1.65rem; margin: 36px 0 12px; padding-bottom: 6px; border-bottom: 2px solid #6FA3FF; font-weight: 700; }
.page-index__guide-section h3 { color: #1F2D3D; font-size: 1.3rem; margin: 24px 0 10px; font-weight: 700; }
.page-index__guide-section p { margin-bottom: 14px; }
.page-index__guide-section a { color: #2F6BFF; text-decoration: underline; }
.page-index__guide-section strong { color: #1F2D3D; }
.page-index__guide-figure { margin: 24px auto; text-align: center; max-width: 860px; }
.page-index__guide-figure img { width: 100%; height: auto; max-width: 860px; aspect-ratio: 2/1; object-fit: cover; display: block; margin: 0 auto; border-radius: 10px; border: 1px solid #D6E2FF; }
.page-index__guide-figure figcaption { font-size: 0.9rem; color: #666; margin-top: 8px; font-style: italic; }
.page-index__guide-list { margin: 16px 0 20px 20px; padding: 0; }
.page-index__guide-list li { margin-bottom: 10px; }

/* FAQ */
.page-index__faq-item { border: 1px solid #D6E2FF; border-radius: 8px; margin: 10px 0; padding: 12px 18px; background: #fff; box-shadow: 0 2px 8px rgba(111, 163, 255, 0.08); }
.page-index__faq-question { font-weight: 700; cursor: pointer; user-select: none; padding: 6px 0; color: #0477db; list-style: none; position: relative; padding-left: 26px; }
.page-index__faq-question::before { content: "+"; position: absolute; left: 0; top: 6px; font-size: 18px; line-height: 1; color: #0477db; font-weight: 700; }
.page-index__faq-item[open] .page-index__faq-question::before { content: "−"; }
.page-index__faq-answer { padding: 6px 0 4px 26px; }

/* CTA button */
.page-index__cta-button { display: inline-block; padding: 13px 36px; border-radius: 999px; background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); color: #fff; font-weight: 700; font-size: 1.1rem; text-decoration: none; box-shadow: 0 6px 18px rgba(47, 107, 255, 0.3); border: none; }
.page-index__cta-button:hover { opacity: 0.9; transform: translateY(-2px); }
.page-index__guide-text-center { text-align: center; margin-top: 28px; }

@media (max-width: 768px) {
    .page-index__hero-image { aspect-ratio: 2/1; }
    .page-index__logo-grid-section { padding: 20px 10px; }
    .page-index__logo-grid { grid-template-columns: repeat(2, 1fr); gap: 18px 10px; }
    .page-index__logo-item { max-width: 100%; }
    .page-index__logo-item:nth-child(5),
    .page-index__logo-item:nth-child(6) { grid-column: auto; }
    .page-index__logo-cta { padding: 8px 16px; font-size: 13px; white-space: normal; word-break: break-word; max-width: 100%; font-weight: 600; }
    .page-index__guide-inner { padding: 10px 12px 32px; }
    .page-index__guide-title { font-size: 1.5rem; }
    .page-index__guide-section h2 { font-size: 1.3rem; }
    .page-index__guide-section h3 { font-size: 1.15rem; }
    .page-index img { max-width: 100% !important; height: auto !important; }
    .page-index__guide-container { overflow-x: hidden; }
    .page-index__cta-button { max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
}