.page-index {
    --deep-navy: #08162B;
    --card-bg: #10233F;
    --text-main: #F3F8FF;
    --text-secondary: #AFC4E8;
    --border-color: #244D84;
    --glow-color: #4FA8FF;
    --gold-color: #F2C14E;
    --primary-color: #113B7A;
    --secondary-color: #1D5FD1;
    --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    color: #333333;
    max-width: 100%;
    overflow-x: hidden;
}

.page-index__hero-section {
    padding-top: 0;
    margin-top: 0;
    width: 100%;
    overflow: hidden;
}
.page-index__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 17/5;
}
.page-index__logo-grid-section {
    background-color: #FFFFFF;
    padding: 24px 16px;
    max-width: 1200px;
    margin: 0 auto;
}
.page-index__logo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px 16px;
    justify-items: center;
    margin: 0 auto;
}
.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-item img {
    background-color: #FFFFFF;
    border-radius: 8px;
    padding: 0;
    border: 1px solid var(--border-color);
}
.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 24px;
    border-radius: 999px;
    background: var(--button-gradient);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    font-size: 0.95rem;
    box-shadow: 0 4px 14px rgba(32, 101, 216, 0.4);
    border: none;
    transition: transform 0.2s ease;
    max-width: 100%;
    box-sizing: border-box;
}
.page-index__logo-item:nth-child(5) {
    grid-column: 2;
}
.page-index__logo-item:nth-child(6) {
    grid-column: 3;
}

.page-index__guide-section {
    background-color: var(--deep-navy);
    padding: 0;
}
.page-index__guide-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 28px 16px 56px;
}
.page-index__guide-title {
    text-align: center;
    color: var(--gold-color);
    margin: 12px 0 24px;
    font-weight: 800;
    line-height: 1.25;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-index__guide-intro {
    font-size: 1.1rem;
    line-height: 1.7;
}
.page-index__guide-section h2 {
    color: var(--secondary-color);
    margin-top: 32px;
    margin-bottom: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--deep-navy);
}
.page-index__guide-section h3 {
    color: #F3F8FF;
    margin-top: 24px;
    margin-bottom: 8px;
    font-weight: 600;
}
.page-index__guide-section p, 
.page-index__guide-section li, 
.page-index__guide-section figcaption {
    color: var(--text-secondary);
    line-height: 1.65;
}
.page-index__guide-section a {
    color: var(--glow-color);
    text-decoration: underline;
    word-break: break-word;
}
.page-index__guide-section table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    background: #FFFFFF;
    color: #08162B;
    border-radius: 8px;
    overflow: hidden;
}
.page-index__guide-section th {
    background: #113B7A;
    color: #fff;
    padding: 12px 16px;
    text-align: left;
}
.page-index__guide-section td {
    padding: 12px 16px;
    border-bottom: 1px solid #e2e8f0;
}
.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;
    border: 1px solid var(--border-color);
}
.page-index__guide-figure figcaption {
    font-size: .9rem;
    color: var(--text-secondary);
    margin-top: 8px;
}
.page-index__guide-cta {
    display: block;
    width: fit-content;
    max-width: 300px;
    margin: 32px auto;
    padding: 14px 32px;
    background: var(--gold-color);
    color: #08162B;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 800;
    border-radius: 999px;
    text-decoration: none;
    text-transform: uppercase;
    transition: transform .2s, box-shadow .2s;
}
.page-index__guide-cta:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 20px rgba(242, 193, 78, 0.4);
}
.page-index__notice-list {
    list-style-type: disc;
    padding-left: 1.5rem;
    margin: 16px 0;
    color: var(--text-secondary);
}
.page-index__notice-list strong {
    color: var(--text-main);
}

.page-index__faq-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid #244D84;
    border-radius: 8px;
    margin: 12px 0;
    padding: 8px 16px;
}
.page-index__faq-item summary {
    cursor: pointer;
    font-weight: 600;
    color: #F3F8FF;
    padding: 8px 0;
    list-style: none;
}
.page-index__faq-item summary::-webkit-details-marker {
    display: none;
}
.page-index__faq-item[open] summary {
    color: #4FA8FF;
}
html[data-details] .page-index__faq-item summary:after {
    content: '+ ';
    float: right;
    font-weight: 700;
    color: #AFC4E8;
}
html[data-details] .page-index__faq-item[open] summary:after {
    content: '- ';
}

@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;
    }
    .page-index__logo-item {
        max-width: 320px;
    }
}

@media (max-width: 768px) {
    .page-index__hero-image {
        aspect-ratio: 2/1;
    }
    .page-index__logo-grid-section {
        padding-top: 16px;
        padding-bottom: 16px;
    }
    .page-index__logo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .page-index__logo-item:nth-child(5),
    .page-index__logo-item:nth-child(6) {
        grid-column: auto;
    }
    .page-index__logo-item {
        max-width: 100%;
    }
    .page-index__logo-cta {
        max-width: 100%;
        box-sizing: border-box;
        white-space: normal;
        word-wrap: break-word;
        padding: 10px 16px;
        font-size: 0.9rem;
        width: 100%;
    }
    .page-index__guide-inner {
        padding-top: 16px;
        padding-bottom: 40px;
    }
    .page-index__guide-title {
        font-size: 1.45rem;
        line-height: 1.3;
    }
    .page-index img {
        max-width: 100% !important;
        height: auto !important;
    }
    .page-index .page-index__guide-section {
        overflow-x: hidden;
    }
    .page-index__game-table {
        display: block;
        overflow-x: auto;
    }
    .page-index__guide-cta {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        white-space: normal;
        padding-left: 16px;
        padding-right: 16px;
        font-size: 1.05rem;
    }
    .page-index__bottom-cta {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .page-index__bottom-cta a {
        width: 100%;
        box-sizing: border-box;
        white-space: normal;
        word-wrap: break-word;
        text-align: center;
        padding: 14px 16px;
    }
}