/*
Theme Name: Tokyo KabukiBox
Description: サイバーパンクなエンターテイメント企業のWordPressテーマ
Version: 1.0.0
Author: Tokyo KabukiBox
Author URI: https://tokyokabukibox.com
Text Domain: tokyo-kabukibox
*/

/* ========================================
   Tokyo KabukiBox - Figmaデザイン準拠
   ======================================== */

/* クリティカルCSS - 最初に読み込まれる重要なスタイル */
/* リセットとベース設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #000000;
    color: #FFFFFF;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Figmaデザイン準拠のカスタムプロパティ */
:root {
    /* カラーパレット - Figmaデザイン準拠 */
    --primary-black: #000000;
    --primary-white: #FFFFFF;
    --accent-cyan: #00FFFF;
    --accent-magenta: #FF00FF;
    --accent-purple: #8A2BE2;
    
    /* グレースケール */
    --gray-100: #111111;
    --gray-200: #222222;
    --gray-300: #333333;
    --gray-400: #444444;
    --gray-500: #666666;
    --gray-600: #888888;
    --gray-700: #AAAAAA;
    
    /* グラデーション */
    --gradient-cyan: linear-gradient(135deg, #00FFFF 0%, #0080FF 100%);
    --gradient-magenta: linear-gradient(135deg, #FF00FF 0%, #FF0080 100%);
    --gradient-mixed: linear-gradient(135deg, #00FFFF 0%, #FF00FF 100%);
    
    /* グロー効果 */
    --glow-cyan: 0 0 10px #00FFFF, 0 0 20px #00FFFF, 0 0 30px #00FFFF;
    --glow-magenta: 0 0 10px #FF00FF, 0 0 20px #FF00FF, 0 0 30px #FF00FF;
    --glow-purple: 0 0 10px #8A2BE2, 0 0 20px #8A2BE2, 0 0 30px #8A2BE2;
    
    /* シャドウ */
    --shadow-cyan: 0 0 20px rgba(0, 255, 255, 0.5);
    --shadow-magenta: 0 0 20px rgba(255, 0, 255, 0.5);
    --shadow-purple: 0 0 20px rgba(138, 43, 226, 0.5);
    
    /* レイアウト */
    --max-width: 1200px;
    --container-padding: 0 2rem;
    --section-padding: 80px 0;
    
    /* タイポグラフィ */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* アニメーション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ユーティリティクラス */
.text-cyan { color: var(--accent-cyan); }
.text-magenta { color: var(--accent-magenta); }
.text-purple { color: var(--accent-purple); }
.text-white { color: var(--primary-white); }
.text-black { color: var(--primary-black); }

.bg-black { background-color: var(--primary-black); }
.bg-gray-100 { background-color: var(--gray-100); }
.bg-gray-200 { background-color: var(--gray-200); }
.bg-gray-300 { background-color: var(--gray-300); }

.glow-cyan { text-shadow: var(--glow-cyan); }
.glow-magenta { text-shadow: var(--glow-magenta); }
.glow-purple { text-shadow: var(--glow-purple); }

/* レイアウト */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--container-padding);
}

/* 遅延読み込み用のスタイル */
.lazy {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy.loaded {
    opacity: 1;
}

/* パフォーマンス最適化 - 画像の最適化 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* プリロード用のスタイル */
.preload {
    position: absolute;
    top: -9999px;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

/* アクセシビリティ - スクリーンリーダー用 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* エラーページスタイル */
.error-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--gray-100) 100%);
}

.error-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.error-code {
    font-size: 8rem;
    font-weight: 900;
    margin-bottom: 2rem;
    text-shadow: var(--glow-cyan), var(--glow-magenta);
    animation: errorGlow 2s ease-in-out infinite alternate;
}

@keyframes errorGlow {
    0% { text-shadow: var(--glow-cyan); }
    100% { text-shadow: var(--glow-magenta); }
}

.error-title {
    font-size: var(--font-size-4xl);
    margin-bottom: 1rem;
    color: var(--primary-white);
}

.error-description {
    font-size: var(--font-size-lg);
    margin-bottom: 3rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.error-suggestions {
    text-align: left;
    background: var(--gray-100);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--gray-300);
}

.error-suggestions h2 {
    font-size: var(--font-size-xl);
    margin-bottom: 1rem;
    color: var(--primary-white);
}

.suggestion-list {
    list-style: none;
    padding: 0;
}

.suggestion-list li {
    margin-bottom: 0.5rem;
}

.suggestion-list a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition-fast);
}

.suggestion-list a:hover {
    color: var(--accent-magenta);
    text-shadow: var(--glow-magenta);
}

@media (max-width: 768px) {
    .error-code {
        font-size: 4rem;
    }
    
    .error-title {
        font-size: var(--font-size-2xl);
    }
    
    .error-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* ヘッダー */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--accent-cyan);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    transition: var(--transition-normal);
}

.logo:hover .text-cyan {
    text-shadow: var(--glow-cyan);
}

.logo:hover .text-magenta {
    text-shadow: var(--glow-magenta);
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--primary-white);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition-normal);
}

.nav-link:hover {
    color: var(--accent-cyan);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

.contact-btn {
    background: var(--gradient-cyan);
    color: var(--primary-black);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition-normal);
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-cyan);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--accent-cyan);
    transition: var(--transition-normal);
}

/* メインコンテンツ */
.main-content {
    margin-top: 80px;
}

/* ボタン */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: var(--gradient-cyan);
    color: var(--primary-black);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-cyan);
}

.btn-outline {
    background: transparent;
    color: var(--accent-cyan);
    border: 2px solid var(--accent-cyan);
}

.btn-outline:hover {
    background: var(--accent-cyan);
    color: var(--primary-black);
    transform: translateY(-3px);
}

.btn-text {
    font-weight: 600;
}

.btn-arrow {
    transition: var(--transition-normal);
}

.btn:hover .btn-arrow {
    transform: translateX(5px);
}

/* カード */
.card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 15px;
    padding: 2rem;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(255, 0, 255, 0.1));
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.card:hover::before {
    opacity: 1;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-cyan);
    border-color: var(--accent-cyan);
}

/* セクションタイトル */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: var(--font-size-4xl);
    font-weight: 900;
}

.title-text {
    display: inline-block;
    position: relative;
}

.title-line {
    display: block;
    width: 100px;
    height: 3px;
    background: var(--accent-cyan);
    margin: 1rem auto 0;
    position: relative;
    overflow: hidden;
}

.title-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-magenta);
    animation: lineGlow 2s ease-in-out infinite;
}

@keyframes lineGlow {
    0%, 100% { left: -100%; }
    50% { left: 100%; }
}

/* ローディング画面 */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-black);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-content {
    text-align: center;
}

.loading-logo {
    margin-bottom: 2rem;
}

.loading-logo-text {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    animation: logoGlow 2s ease-in-out infinite alternate;
}

@keyframes logoGlow {
    0% { text-shadow: var(--glow-cyan), var(--glow-magenta); }
    100% { text-shadow: var(--glow-cyan), var(--glow-magenta), 0 0 50px var(--accent-cyan), 0 0 50px var(--accent-magenta); }
}

.loading-spinner {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.spinner-ring {
    width: 20px;
    height: 20px;
    border: 3px solid transparent;
    border-top: 3px solid var(--accent-cyan);
    border-radius: 50%;
    animation: spinRing 1s linear infinite;
}

.spinner-ring:nth-child(1) { animation-delay: 0s; }
.spinner-ring:nth-child(2) { animation-delay: 0.3s; }
.spinner-ring:nth-child(3) { animation-delay: 0.6s; }

@keyframes spinRing {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    font-size: var(--font-size-lg);
    color: var(--gray-500);
}

.loading-dot {
    animation: dotPulse 1.5s ease-in-out infinite;
}

.loading-dot:nth-child(1) { animation-delay: 0s; }
.loading-dot:nth-child(2) { animation-delay: 0.5s; }
.loading-dot:nth-child(3) { animation-delay: 1s; }

@keyframes dotPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ヒーローセクション */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: -1;
}

.hero-overlay-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
    z-index: -1;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-logo {
    margin-bottom: 2rem;
}

.hero-logo-image {
    max-width: 200px;
    height: auto;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    0% { text-shadow: var(--glow-cyan), var(--glow-magenta); }
    100% { text-shadow: var(--glow-cyan), var(--glow-magenta), 0 0 50px var(--accent-cyan), 0 0 50px var(--accent-magenta); }
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-500);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-btn-primary {
    background: var(--gradient-cyan);
    color: var(--primary-black);
    padding: 1.25rem 2.5rem;
    font-size: var(--font-size-lg);
    position: relative;
    overflow: hidden;
}

.hero-btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--transition-slow);
}

.hero-btn-primary:hover::before {
    left: 100%;
}

.hero-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-cyan);
}

.hero-btn-secondary {
    background: transparent;
    color: var(--accent-cyan);
    border: 2px solid var(--accent-cyan);
    padding: 1.25rem 2.5rem;
    font-size: var(--font-size-lg);
}

.hero-btn-secondary:hover {
    background: var(--accent-cyan);
    color: var(--primary-black);
    transform: translateY(-3px);
    box-shadow: var(--shadow-cyan);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border-right: 3px solid var(--accent-cyan);
    border-bottom: 3px solid var(--accent-cyan);
    transform: rotate(45deg);
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* フッター */
.footer {
    background: var(--gray-100);
    border-top: 1px solid var(--accent-cyan);
    padding: 3rem 0 1rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-subtitle {
    font-size: var(--font-size-lg);
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.footer-description {
    color: var(--gray-500);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-link {
    color: var(--gray-500);
    transition: var(--transition-normal);
    text-decoration: none;
}

.footer-link:hover {
    color: var(--accent-cyan);
}

.footer-bottom {
    border-top: 1px solid var(--gray-300);
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-white);
    transition: var(--transition-normal);
    text-decoration: none;
}

.social-link:hover {
    background: var(--accent-cyan);
    color: var(--primary-black);
    transform: translateY(-2px);
}

.footer-copyright {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

/* アニメーション */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

/* スクロールバー */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-cyan);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-magenta);
}

/* グリッドレイアウト */
.services-grid,
.works-grid,
.news-grid,
.staff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* サービスカード */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-image {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    margin-bottom: 1.5rem;
}

.service-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition-normal);
}

.service-card:hover .service-card-image {
    transform: scale(1.05);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.3), rgba(255, 0, 255, 0.3));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.service-card:hover .service-overlay {
    opacity: 1;
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-white);
}

.service-content {
    text-align: center;
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--accent-cyan);
}

.service-description {
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.service-btn {
    margin-top: 1rem;
}

/* 制作実績カード */
.work-card {
    position: relative;
    overflow: hidden;
}

.work-image {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    margin-bottom: 1.5rem;
}

.work-card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition-normal);
}

.work-card:hover .work-card-image {
    transform: scale(1.05);
}

.work-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.3), rgba(255, 0, 255, 0.3));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.work-card:hover .work-overlay {
    opacity: 1;
}

.work-category {
    background: rgba(0, 0, 0, 0.8);
    color: var(--accent-cyan);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.work-content {
    text-align: center;
}

.work-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-white);
}

.work-description {
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.work-btn {
    margin-top: 1rem;
}

/* ニュースカード */
.news-card {
    position: relative;
    overflow: hidden;
}

.news-image {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    margin-bottom: 1.5rem;
}

.news-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition-normal);
}

.news-card:hover .news-card-image {
    transform: scale(1.05);
}

.news-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.3), rgba(255, 0, 255, 0.3));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.news-card:hover .news-overlay {
    opacity: 1;
}

.news-category {
    background: rgba(0, 0, 0, 0.8);
    color: var(--accent-cyan);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.news-content {
    text-align: left;
}

.news-date {
    color: var(--accent-cyan);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.news-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-white);
    line-height: 1.4;
}

.news-excerpt {
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.news-btn {
    margin-top: 1rem;
}

.news-more {
    text-align: center;
    margin-top: 3rem;
}

.news-more-btn {
    background: var(--gradient-magenta);
    color: var(--primary-black);
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

/* CTAセクション */
.cta-section {
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: gridMove 15s linear infinite;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    margin-bottom: 1.5rem;
    color: var(--accent-cyan);
}

.cta-description {
    font-size: var(--font-size-lg);
    color: var(--gray-500);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn-primary {
    background: var(--gradient-cyan);
    color: var(--primary-black);
    padding: 1.25rem 2.5rem;
    font-size: var(--font-size-lg);
}

.cta-btn-secondary {
    background: transparent;
    color: var(--accent-cyan);
    border: 2px solid var(--accent-cyan);
    padding: 1.25rem 2.5rem;
    font-size: var(--font-size-lg);
}

.cta-btn-secondary:hover {
    background: var(--accent-cyan);
    color: var(--primary-black);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .header-container {
        padding: 1rem;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav.active {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 2rem;
        border-top: 1px solid var(--accent-cyan);
    }
    
    .nav.active .nav-list {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: var(--font-size-xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
}