.page-index {
    color: #333333;
    background-color: #F5F7FA;
}

/* Module 0: Hero Section */
.page-index__hero-section {
    padding-top: 0;
    margin-top: 0;
    width: 100%;
    overflow: hidden;
    background: #ffffff;
}

.page-index__hero-container {
    max-width: 100%;
}

.page-index__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 17 / 5;
}

/* Module 1: Logo Grid Section */
.page-index__logo-grid-section {
    max-width: 1200px;
    margin: 24px auto 28px;
    padding: 0 16px;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.page-index__logo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px 16px;
    justify-items: center;
    padding: 24px 12px;
}

.page-index__logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 280px;
    text-align: center;
}

.page-index__logo-image {
    width: 100%;
    height: auto;
    aspect-ratio: 2 / 1;
    object-fit: contain;
    display: block;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    background-color: #ffffff;
    padding: 8px;
    box-sizing: border-box;
}

.page-index__logo-cta {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 999px;
    background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(229, 57, 53, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-index__logo-cta:hover,
.page-index__logo-cta:focus {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(229, 57, 53, 0.4);
}

/* 4+2 layout: items 5 and 6 are centered on the second row */
.page-index__logo-item:nth-child(5) {
    grid-column: 2;
}

.page-index__logo-item:nth-child(6) {
    grid-column: 3;
}

/* Module 2: Guide Section */
.page-index__guide-section {
    background-color: #ffffff;
    padding: 24px 0 48px;
    border-radius: 12px 12px 0 0;
}

.page-index__guide-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 16px 16px 48px;
}

.page-index__guide-title {
    text-align: center;
    color: #E53935;
    margin: 12px 0 20px;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: 0.5px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-index__guide-intro {
    font-size: 1.05rem;
    line-height: 1.8;
    text-align: center;
    max-width: 850px;
    margin: 0 auto 32px;
    padding: 0 8px;
}

.page-index__guide-intro a {
    color: #E53935;
    text-decoration: underline;
}

.page-index__guide-figure {
    margin: 28px auto;
    text-align: center;
    max-width: 800px;
}

.page-index__guide-figure img {
    width: 100%;
    height: auto;
    aspect-ratio: 2 / 1;
    object-fit: cover;
    display: block;
    border-radius: 8px;
}

.page-index__guide-figure figcaption {
    font-size: 0.9rem;
    color: #666666;
    margin-top: 8px;
}

.page-index h2 {
    color: #E53935;
    font-size: 1.6rem;
    margin: 24px 0 16px;
    line-height: 1.4;
}

.page-index h3 {
    color: #333333;
    font-size: 1.2rem;
    margin: 16px 0 12px;
    line-height: 1.5;
}

.page-index p {
    color: #333333;
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 16px;
}

.page-index ul {
    margin: 16px 0;
    padding-left: 20px;
}

.page-index li {
    line-height: 1.8;
    margin-bottom: 12px;
}

.page-index blockquote {
    border-left: 4px solid #E53935;
    padding: 12px 20px;
    margin: 24px 0;
    background-color: #F5F7FA;
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: #555;
}

.page-index strong {
    color: #E53935;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-index__logo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .page-index__logo-item:nth-child(5),
    .page-index__logo-item:nth-child(6) {
        grid-column: auto;
    }
}

@media (max-width: 768px) {
    .page-index__hero-section {
        padding-top: 0;
        margin-top: 0;
    }
    
    .page-index__hero-image {
        aspect-ratio: 2 / 1;
    }
    
    .page-index__logo-grid-section {
        margin: 16px auto 20px;
        padding: 0 12px;
    }
    
    .page-index__logo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px 12px;
        padding: 16px 8px;
    }
    
    .page-index__logo-item:nth-child(5),
    .page-index__logo-item:nth-child(6) {
        grid-column: auto;
    }
    
    .page-index__logo-item {
        max-width: 100%;
        gap: 8px;
    }
    
    .page-index__logo-cta {
        width: 100%;
        box-sizing: border-box;
        max-width: 100%;
        white-space: normal;
        word-wrap: break-word;
        padding: 10px 16px;
        font-size: 0.9rem;
        text-align: center;
    }
    
    .page-index__guide-section {
        padding: 16px 0 32px;
    }
    
    .page-index__guide-inner {
        padding: 12px 12px 32px;
    }
    
    .page-index__guide-title {
        color: #E53935;
        margin: 8px 0 16px;
        font-size: 1.4rem;
        line-height: 1.4;
    }
    
    .page-index__guide-figure {
        margin: 20px auto;
    }
    
    .page-index h2 {
        font-size: 1.3rem;
        margin: 20px 0 12px;
    }
    
    .page-index h3 {
        font-size: 1.1rem;
        margin: 14px 0 10px;
    }
    
    .page-index__guide-intro {
        font-size: 1rem;
        line-height: 1.7;
        padding: 0 4px;
    }
    
    /* Prevent horizontal overflow */
    .page-index {
        max-width: 100%;
        overflow-x: hidden;
    }
    
    /* Ensure all images are responsive */
    .page-index img {
        max-width: 100% !important;
        height: auto !important;
    }
}