/**
 * AdQuecto Layout CSS
 * ヘッダー・フッター・ナビゲーション
 */

/* ===========================================
   Header
=========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    z-index: var(--z-fixed);
    transition: all var(--duration-normal) var(--ease-out);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--space-4);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

@media (min-width: 1024px) {
    .header-inner {
        padding: 0 var(--space-8);
    }
}

/* Logo */
.header-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    transition: opacity var(--duration-fast) var(--ease-out);
}

.header-logo:hover {
    opacity: 0.8;
}

.header-logo-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

@media (min-width: 768px) {
    .header-logo-icon {
        width: 44px;
        height: 44px;
    }
}

.header-logo-text {
    font-family: var(--font-family-en);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-deep-blue);
    letter-spacing: var(--letter-spacing-tight);
}

@media (min-width: 768px) {
    .header-logo-text {
        font-size: var(--font-size-xl);
    }
}

/* Desktop Navigation */
.header-nav {
    display: none;
}

@media (min-width: 1024px) {
    .header-nav {
        display: flex;
        align-items: center;
        gap: var(--space-1);
    }
}

.header-nav-link {
    display: flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-out);
    position: relative;
}

.header-nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: var(--space-4);
    right: var(--space-4);
    height: 2px;
    background: var(--color-accent-gold);
    transform: scaleX(0);
    transition: transform var(--duration-normal) var(--ease-out);
}

.header-nav-link:hover {
    color: var(--color-primary-blue);
    background: var(--color-bg-light-blue);
}

.header-nav-link[aria-current="page"],
.header-nav-link.active {
    color: var(--color-primary-blue);
}

.header-nav-link[aria-current="page"]::after,
.header-nav-link.active::after {
    transform: scaleX(1);
}

/* Header CTA */
.header-cta {
    display: none;
}

@media (min-width: 1024px) {
    .header-cta {
        display: flex;
        align-items: center;
        margin-left: var(--space-4);
    }
}

.header-cta .btn {
    padding: var(--space-2-5) var(--space-5);
    font-size: var(--font-size-sm);
}

/* Mobile Menu Button */
.header-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background var(--duration-fast) var(--ease-out);
    -webkit-tap-highlight-color: transparent;
}

.header-menu-btn:hover {
    background: var(--color-bg-secondary);
}

@media (min-width: 1024px) {
    .header-menu-btn {
        display: none;
    }
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 22px;
}

.hamburger-line {
    height: 2px;
    background: var(--color-deep-blue);
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-out);
}

.header-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.header-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===========================================
   Mobile Menu
=========================================== */

.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-primary);
    z-index: var(--z-overlay);
    transform: translateX(100%);
    transition: transform var(--duration-normal) var(--ease-out);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-menu.is-open {
    transform: translateX(0);
}

.mobile-menu-inner {
    padding: var(--space-6) var(--space-5);
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.mobile-menu-nav {
    flex: 1;
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--color-border-light);
    transition: color var(--duration-fast) var(--ease-out);
}

.mobile-menu-link:hover {
    color: var(--color-primary-blue);
}

.mobile-menu-link[aria-current="page"] {
    color: var(--color-primary-blue);
}

.mobile-menu-link svg {
    width: 20px;
    height: 20px;
    color: var(--color-text-light);
    transition: transform var(--duration-fast) var(--ease-out);
}

.mobile-menu-link:hover svg {
    transform: translateX(4px);
    color: var(--color-primary-blue);
}

.mobile-menu-cta {
    padding-top: var(--space-6);
    margin-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.mobile-menu-cta .btn {
    width: 100%;
    padding: var(--space-4);
    font-size: var(--font-size-base);
}

/* ===========================================
   Main Content
=========================================== */

.main {
    padding-top: var(--header-height);
    min-height: 100vh;
    min-height: 100dvh;
}

/* ===========================================
   Footer
=========================================== */

.footer {
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-darker) 100%);
    color: var(--color-text-inverse);
    padding: var(--space-12) 0 var(--space-8);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent-gold), transparent);
}

.footer-inner {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.footer-grid {
    display: grid;
    gap: var(--space-10);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: var(--space-8);
    }
}

/* Footer Brand */
.footer-brand {
    margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
    .footer-brand {
        margin-bottom: 0;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: brightness(1.1);
}

.footer-logo-text {
    font-family: var(--font-family-en);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-inverse);
    letter-spacing: var(--letter-spacing-tight);
}

.footer-desc {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: var(--line-height-relaxed);
    margin-bottom: 0;
}

/* Footer Navigation */
.footer-nav {
    display: flex;
    flex-direction: column;
}

.footer-heading {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-light-gold);
    letter-spacing: var(--letter-spacing-wider);
    text-transform: uppercase;
    margin-bottom: var(--space-4);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2-5);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-text-inverse);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    padding-top: var(--space-8);
    margin-top: var(--space-10);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-copy {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0;
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.footer-legal a:hover {
    color: var(--color-text-inverse);
}

/* ===========================================
   Fixed CTA Bar (Mobile)
=========================================== */

.fixed-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--color-border-light);
    z-index: var(--z-fixed);
    transform: translateY(100%);
    transition: transform var(--duration-normal) var(--ease-out);
    padding-bottom: calc(var(--space-3) + env(safe-area-inset-bottom, 0px));
}

.fixed-cta.is-visible {
    transform: translateY(0);
}

@media (min-width: 1024px) {
    .fixed-cta {
        display: none;
    }
}

.fixed-cta-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-3-5) var(--space-6);
    background: var(--color-gold-gradient);
    color: var(--color-deep-blue);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-gold);
    transition: all var(--duration-normal) var(--ease-out);
}

.fixed-cta-button:hover {
    box-shadow: var(--shadow-gold-hover);
    transform: translateY(-2px);
}

.fixed-cta-button svg {
    width: 18px;
    height: 18px;
}

/* ===========================================
   Page Transitions
=========================================== */

.page-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity var(--duration-slow) var(--ease-out),
                transform var(--duration-slow) var(--ease-out);
}

/* ===========================================
   Breadcrumb
=========================================== */

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-4) 0;
    font-size: var(--font-size-sm);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-muted);
}

.breadcrumb-item a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.breadcrumb-item a:hover {
    color: var(--color-primary-blue);
}

.breadcrumb-item:last-child {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

.breadcrumb-separator {
    color: var(--color-text-light);
}