/* Header Sticky Positioning - Only for INDEX page */

/* Hide address on desktop header for index page */
body:not(.page-subpage) .commonHeader .header-address {
    display: none !important;
}

/* Index page: Header initially static, below ticker */
body:not(.page-subpage) .commonHeader {
    position: static !important;
    width: 100% !important;
    z-index: 10000 !important;
    background: #ffffff !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1) !important;
    border-bottom: 1px solid #e0e0e0 !important;
    height: 80px !important;
    padding: 0 !important;
}

body:not(.page-subpage) .commonHeader__inner {
    height: 80px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0 20px !important;
}

body:not(.page-subpage) .header-ttl {
    display: flex !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1 !important;
}

body:not(.page-subpage) .header-ttl a {
    display: flex !important;
    align-items: center !important;
    line-height: 1 !important;
}

/* Ensure proper vertical alignment for navigation */
body:not(.page-subpage) .header-nav {
    display: flex !important;
    align-items: center !important;
    height: 100% !important;
}

/* Ensure navToggle stays within header on index page */
body:not(.page-subpage) .navToggle {
    position: relative !important;
    margin: 0 !important;
    padding: 10px !important;
    align-self: center !important;
}

/* Sticky when scrolling down past header position */
body:not(.page-subpage) .commonHeader.is-sticky {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
}

/* Placeholder to maintain layout when header becomes fixed */
body:not(.page-subpage) .header-placeholder {
    display: none !important;
    height: 80px !important;
}

body:not(.page-subpage) .header-placeholder.active {
    display: block !important;
}

@media (max-width: 768px) {
    body:not(.page-subpage) .header-placeholder {
        height: 60px !important;
    }
}

/* Animation for sticky header */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

/* INDEX page specific: Ensure HERO and ticker fill viewport */
body:not(.page-subpage) .topMv {
    height: calc(100vh - 70px) !important; /* Viewport minus ticker */
    position: relative !important;
    z-index: 1 !important;
}

body:not(.page-subpage) .news-ticker {
    position: relative !important;
    z-index: 2 !important;
}

/* INDEX page: Add padding to first section after header */
body:not(.page-subpage) .topAbout {
    padding-top: 80px !important; /* Height of header */
}

/* Mobile adjustments for INDEX page */
@media (max-width: 768px) {
    /* Show address in mobile menu for index page */
    body:not(.page-subpage) .commonHeader .header-address {
        display: flex !important;
    }

    body:not(.page-subpage) .topAbout {
        padding-top: 60px !important; /* Smaller header on mobile */
    }

    body:not(.page-subpage) .topMv {
        height: calc(100vh - 60px) !important; /* Adjusted for mobile ticker */
    }

    body:not(.page-subpage) .commonHeader {
        height: 60px !important;
        padding: 0 25px !important;
    }

    body:not(.page-subpage) .commonHeader__inner {
        padding: 0 !important;
        height: 60px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
    }

    body:not(.page-subpage) .header-ttl {
        padding: 0 !important;
        margin: 0 !important;
        display: flex !important;
        align-items: center !important;
        line-height: 1 !important;
    }

    body:not(.page-subpage) .header-ttl a {
        display: flex !important;
        align-items: center !important;
        line-height: 1 !important;
    }

    body:not(.page-subpage) .header-ttl a img {
        height: 32px !important;
        width: auto !important;
        margin: 0 !important;
    }

    body:not(.page-subpage) .navToggle {
        margin-left: auto !important;
        margin-right: 0 !important;
        z-index: 10001 !important;
        position: relative !important;
        padding: 10px !important;
        align-self: center !important;
    }

    body:not(.page-subpage) .commonHeader {
        z-index: 10000 !important;
    }

    body:not(.page-subpage) .header-nav-sp {
        display: none !important;
    }

    /* Ensure mobile menu takes full height on index page */
    body:not(.page-subpage) .header-nav {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        height: 100vh !important;
        min-height: 100vh !important;
        background: #252525 !important;
        padding: 100px 40px 40px !important;
        overflow-y: auto !important;
        z-index: 9998 !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 0 !important;
    }

    /* Address section in menu */
    body:not(.page-subpage) .header-address {
        margin-top: 60px !important;
        padding-top: 40px !important;
        border-top: 1px solid rgba(255, 255, 255, 0.2) !important;
        opacity: 0 !important;
        transform: translateY(20px) !important;
        transition: opacity 0.3s ease, transform 0.3s ease !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 4px !important;
    }

    body:not(.page-subpage) .header-nav.show .header-address {
        opacity: 1 !important;
        transform: translateY(0) !important;
        transition-delay: 0.5s !important;
    }

    body:not(.page-subpage) .header-address .address-line {
        color: #ffffff !important;
        font-size: 14px !important;
        font-weight: 400 !important;
        letter-spacing: 0.08em !important;
        line-height: 1.8 !important;
        margin: 0 !important;
        font-family: 'Courier New', Courier, monospace !important;
        opacity: 0.85 !important;
    }

    body:not(.page-subpage) .header-address .address-line:first-child {
        font-size: 16px !important;
        font-weight: 700 !important;
        color: #ffffff !important;
        margin-bottom: 8px !important;
        opacity: 1 !important;
    }

    /* Close button animation - white color when menu is open */
    body:not(.page-subpage) .navToggle.active span {
        background: #ffffff !important;
    }
}