/**
 * Kinki Loader Theme - Responsive Styles
 *
 * @package KinkiLoader
 */

/* ==========================================================================
   Tablet (768px - 1199px)
   ========================================================================== */
@media screen and (max-width: 1199px) {
    :root {
        --header-height: 80px;
        --font-size-hero: 44px;
        --font-size-6xl: 48px;
        --font-size-5xl: 40px;
        --spacing-4xl: 80px;
        --spacing-3xl: 60px;
    }

    .container {
        padding: 0 var(--spacing-lg);
    }

    .header-inner {
        padding: 0 var(--spacing-lg);
    }

    /* ハンバーガーメニュー表示 */
    .menu-toggle {
        display: flex;
    }

    .main-navigation {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--color-secondary);
        flex-direction: column;
        align-items: flex-start;
        padding: calc(var(--header-height) + var(--spacing-xs)) var(--spacing-lg) var(--spacing-lg);
        transition: right var(--transition-base);
        overflow-y: auto;
        z-index: 999;
    }

    .main-navigation.active {
        right: 0;
    }

    .nav-menu {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        width: 100%;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu a {
        display: block;
        padding: var(--spacing-xs) 0;
        font-size: var(--font-size-md);
        color: var(--color-white) !important;
    }

    /* スクロール時もメニューは白文字を維持 */
    .site-header.scrolled .nav-menu a {
        color: var(--color-white) !important;
    }

    .nav-contact-btn {
        width: 100%;
        margin-top: var(--spacing-lg);
        text-align: center;
        border-color: var(--color-white) !important;
        color: var(--color-white) !important;
    }

    /* Mobile menu overlay */
    .menu-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 998;
    }

    .menu-overlay.active {
        display: block;
    }

    .section-bg-text {
        font-size: 160px;
    }

    /* Footer */
    .footer-grid {
        gap: var(--spacing-lg);
    }

    .footer-company-name {
        font-size: var(--font-size-2xl);
    }

    .footer-menu {
        gap: var(--spacing-sm) var(--spacing-md);
    }
}

/* ==========================================================================
   Mobile (max-width: 767px)
   ========================================================================== */
@media screen and (max-width: 767px) {
    :root {
        --header-height: 70px;
        --font-size-hero: 32px;
        --font-size-6xl: 36px;
        --font-size-5xl: 32px;
        --font-size-4xl: 28px;
        --font-size-3xl: 24px;
        --font-size-2xl: 22px;
        --font-size-xl: 20px;
        --font-size-lg: 18px;
        --spacing-4xl: 60px;
        --spacing-3xl: 48px;
        --spacing-2xl: 40px;
        --spacing-xl: 32px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Header Mobile */
    .header-inner {
        padding: 0 var(--spacing-sm);
    }

    .header-logo .site-title {
        font-size: var(--font-size-lg);
    }

    /* Section */
    .section {
        padding: var(--spacing-3xl) 0;
    }

    .section-bg-text {
        font-size: 80px;
        opacity: 0.1;
    }

    .section-title-en {
        font-size: var(--font-size-4xl);
    }

    .section-title-ja {
        font-size: var(--font-size-base);
    }

    /* Footer Mobile */
    .footer-main {
        padding: var(--spacing-xl) 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-company-name {
        font-size: var(--font-size-xl);
    }

    .footer-address p {
        font-size: var(--font-size-sm);
    }

    .footer-menu {
        justify-content: flex-start;
        gap: var(--spacing-sm) var(--spacing-md);
    }

    .footer-menu a {
        font-size: var(--font-size-sm);
    }

    .copyright {
        text-align: center;
        font-size: 11px;
    }

    /* Buttons */
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-base);
    }

    .btn-lg {
        padding: var(--spacing-sm) var(--spacing-xl);
        font-size: var(--font-size-md);
    }

    /* Cards */
    .card-content {
        padding: var(--spacing-sm);
    }

    /* News */
    .news-item {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .news-meta {
        display: flex;
        gap: var(--spacing-sm);
        align-items: center;
    }

    /* Forms */
    .form-label {
        font-size: var(--font-size-sm);
    }

    .form-input,
    .form-textarea,
    .form-select {
        padding: 12px;
        font-size: var(--font-size-sm);
    }

    /* Page Header */
    .page-header {
        height: 100px;
    }

    .page-title-en {
        font-size: var(--font-size-4xl);
    }

    .page-title-ja {
        font-size: var(--font-size-base);
    }
}

/* ==========================================================================
   Small Mobile (max-width: 480px)
   ========================================================================== */
@media screen and (max-width: 480px) {
    :root {
        --font-size-hero: 28px;
        --font-size-6xl: 32px;
        --font-size-5xl: 28px;
        --font-size-4xl: 24px;
        --spacing-3xl: 40px;
    }

    .header-logo .site-title {
        font-size: var(--font-size-base);
    }

    .section-bg-text {
        font-size: 60px;
    }

    .footer-menu {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

/* ==========================================================================
   Desktop Large (1920px+)
   ========================================================================== */
@media screen and (min-width: 1920px) {
    .container {
        max-width: 1400px;
    }

    .container-wide {
        max-width: 1600px;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .site-header,
    .site-footer,
    .menu-toggle,
    .nav-contact-btn {
        display: none !important;
    }

    .section {
        padding: 20px 0;
    }

    body {
        font-size: 12pt;
        color: #000;
    }

    a {
        color: #000;
        text-decoration: underline;
    }

    .page-header {
        margin-top: 0;
        height: auto;
        padding: 20px 0;
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #0066cc;
        --color-text: #000000;
        --color-border: #000000;
    }

    .btn-primary {
        border: 2px solid #000;
    }
}