/* サイバーパンク風ランディングページ - スタイルシート */

/* リセットとベーススタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット */
    --color-bg-dark: #0A0A0A;
    --color-bg-darker: #050505;
    --color-bg-light: #111111;
    --color-primary: #00FFFF;
    --color-secondary: #FF00FF;
    --color-accent: #39FF14;
    --color-warning: #FFFF00;
    --color-text: #FFFFFF;
    --color-text-dim: #AAAAAA;
    --color-border: #333333;
    --color-glow: rgba(0, 255, 255, 0.5);
    --color-glow-secondary: rgba(255, 0, 255, 0.5);
    
    /* フォント */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Roboto Mono', monospace;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* ボーダー */
    --border-radius: 4px;
    --border-glow: 0 0 10px var(--color-glow);
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ベーススタイル */
body {
    font-family: var(--font-body);
    background-color: var(--color-bg-dark);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

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

.loading-content {
    text-align: center;
    padding: var(--spacing-lg);
    border: 1px solid var(--color-primary);
    border-radius: var(--border-radius);
    background: rgba(0, 0, 0, 0.8);
    box-shadow: var(--border-glow);
    position: relative;
    overflow: hidden;
}

.loading-content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(0, 255, 255, 0.1) 50%,
        transparent 70%
    );
    animation: scan 2s linear infinite;
}

@keyframes scan {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.loading-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.glitch {
    position: relative;
    display: inline-block;
    color: var(--color-primary);
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--color-secondary);
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--color-accent);
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(42px, 9999px, 44px, 0); }
    5% { clip: rect(12px, 9999px, 59px, 0); }
    10% { clip: rect(48px, 9999px, 29px, 0); }
    15% { clip: rect(42px, 9999px, 73px, 0); }
    20% { clip: rect(63px, 9999px, 27px, 0); }
    25% { clip: rect(34px, 9999px, 55px, 0); }
    30% { clip: rect(86px, 9999px, 73px, 0); }
    35% { clip: rect(20px, 9999px, 20px, 0); }
    40% { clip: rect(26px, 9999px, 60px, 0); }
    45% { clip: rect(25px, 9999px, 66px, 0); }
    50% { clip: rect(57px, 9999px, 98px, 0); }
    55% { clip: rect(5px, 9999px, 46px, 0); }
    60% { clip: rect(82px, 9999px, 31px, 0); }
    65% { clip: rect(54px, 9999px, 27px, 0); }
    70% { clip: rect(28px, 9999px, 99px, 0); }
    75% { clip: rect(45px, 9999px, 69px, 0); }
    80% { clip: rect(23px, 9999px, 85px, 0); }
    85% { clip: rect(54px, 9999px, 84px, 0); }
    90% { clip: rect(45px, 9999px, 47px, 0); }
    95% { clip: rect(37px, 9999px, 20px, 0); }
    100% { clip: rect(4px, 9999px, 91px, 0); }
}

@keyframes glitch-anim2 {
    0% { clip: rect(65px, 9999px, 100px, 0); }
    5% { clip: rect(52px, 9999px, 74px, 0); }
    10% { clip: rect(79px, 9999px, 85px, 0); }
    15% { clip: rect(75px, 9999px, 5px, 0); }
    20% { clip: rect(67px, 9999px, 61px, 0); }
    25% { clip: rect(14px, 9999px, 79px, 0); }
    30% { clip: rect(1px, 9999px, 66px, 0); }
    35% { clip: rect(86px, 9999px, 30px, 0); }
    40% { clip: rect(23px, 9999px, 98px, 0); }
    45% { clip: rect(85px, 9999px, 72px, 0); }
    50% { clip: rect(71px, 9999px, 75px, 0); }
    55% { clip: rect(2px, 9999px, 48px, 0); }
    60% { clip: rect(30px, 9999px, 16px, 0); }
    65% { clip: rect(59px, 9999px, 50px, 0); }
    70% { clip: rect(41px, 9999px, 62px, 0); }
    75% { clip: rect(2px, 9999px, 25px, 0); }
    80% { clip: rect(47px, 9999px, 100px, 0); }
    85% { clip: rect(75px, 9999px, 5px, 0); }
    90% { clip: rect(23px, 9999px, 57px, 0); }
    95% { clip: rect(65px, 9999px, 39px, 0); }
    100% { clip: rect(52px, 9999px, 47px, 0); }
}

.loading-bar {
    width: 300px;
    height: 4px;
    background-color: var(--color-border);
    border-radius: 2px;
    margin: var(--spacing-md) auto;
    overflow: hidden;
    position: relative;
}

.loading-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        var(--color-primary), 
        transparent
    );
    animation: loading-scan 2s linear infinite;
}

@keyframes loading-scan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.loading-progress {
    height: 100%;
    width: 0%;
    background-color: var(--color-primary);
    animation: loading-progress 3s ease-in-out forwards;
}

@keyframes loading-progress {
    0% { width: 0%; }
    100% { width: 100%; }
}

.loading-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.stat {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-text-dim);
}

.stat-label {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    color: var(--color-accent);
    font-weight: bold;
}

/* パーティクル背景 */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ナビゲーション */
.cyber-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-primary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.logo-version {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--color-text-dim);
    background-color: var(--color-bg-light);
    padding: 2px 6px;
    border-radius: var(--border-radius);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    position: relative;
    color: var(--color-text);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: var(--spacing-xs) var(--spacing-sm);
    overflow: hidden;
    transition: color var(--transition-fast);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-primary);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
}

.nav-link:hover::before {
    transform: translateX(0);
}

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

.link-text {
    display: block;
}

.link-hover {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 0.7rem;
    color: var(--color-accent);
}

.nav-link:hover .link-text {
    display: none;
}

.nav-link:hover .link-hover {
    display: block;
}

.cta-nav {
    background-color: var(--color-primary);
    color: var(--color-bg-dark);
    border-radius: var(--border-radius);
    padding: var(--spacing-xs) var(--spacing-md);
}

.cta-nav:hover {
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
}

.nav-menu {
    display: none;
}

.menu-icon {
    width: 30px;
    height: 20px;
    position: relative;
    cursor: pointer;
}

.menu-icon span {
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-normal);
}

.menu-icon span:nth-child(1) { top: 0; }
.menu-icon span:nth-child(2) { top: 9px; }
.menu-icon span:nth-child(3) { top: 18px; }

/* ヒーローセクション */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        circle at 30% 50%,
        rgba(0, 255, 255, 0.1) 0%,
        transparent 50%
    );
    z-index: -1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(255, 0, 255, 0.1);
    border: 1px solid var(--color-secondary);
    border-radius: var(--border-radius);
}

.tag-text {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-secondary);
}

.tag-pulse {
    width: 8px;
    height: 8px;
    background-color: var(--color-secondary);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

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

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: 1.2rem;
    color: var(--color-text-dim);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* サイバーボタン */
.cyber-button {
    position: relative;
    background: transparent;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.cyber-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(0, 255, 255, 0.1) 50%,
        transparent 70%
    );
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
}

.cyber-button:hover::before {
    transform: translateX(100%);
}

.button-text {
    position: relative;
    z-index: 1;
}

.button-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(
        45deg,
        var(--color-primary),
        var(--color-secondary),
        var(--color-accent),
        var(--color-primary)
    );
    z-index: -1;
    filter: blur(10px);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.cyber-button:hover .button-glow {
    opacity: 0.7;
}

.button-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 1px solid var(--color-primary);
    transition: all var(--transition-normal);
}

.cyber-button:hover .button-border {
    border-color: var(--color-accent);
    box-shadow: 0 0 15px var(--color-glow);
}

.button-sparkle {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--color-accent);
    border-radius: 50%;
    filter: blur(2px);
    opacity: 0;
    animation: sparkle 2s infinite;
}

@keyframes sparkle {
    0%, 100% { opacity: 0; transform: scale(0); }
    50% { opacity: 1; transform: scale(1); }
}

.cyber-button.secondary {
    color: var(--color-secondary);
}

.cyber-button.secondary .button-border {
    border-color: var(--color-secondary);
}

.cyber-button.secondary:hover .button-border {
    border-color: var(--color-warning);
}

.cyber-button.large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.2rem;
}

/* ヒーロービジュアル */
.hero-visual {
    position: relative;
}

.visual-container {
    position: relative;
    width: 100%;
    height: 400px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.5);
}

.hud-display {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(0, 255, 255, 0.05) 50%,
        transparent 70%
    );
    animation: hud-scan 10s linear infinite;
}

@keyframes hud-scan {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

.hud-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary);
}

.hud-grid {
    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: 20px 20px;
}

.hud-data {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: space-between;
}

.data-stream {
    display: flex;
    gap: 10px;
}

.data-byte {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--color-accent);
    animation: byte-flicker 2s infinite;
}

.data-byte:nth-child(2) { animation-delay: 0.2s; }
.data-byte:nth-child(3) { animation-delay: 0.4s; }
.data-byte:nth-child(4) { animation-delay: 0.6s; }
.data-byte:nth-child(5) { animation-delay: 0.8s; }

@keyframes byte-flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* セクション共通スタイル */
section {
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.title-text {
    display: block;
    color: var(--color-text);
}

.title-code {
    display: block;
    font-family: var(--font-body);
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-top: var(--spacing-xs);
}

.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.divider-line {
    width: 100px;
    height: 1px;
    background-color: var(--color-border);
}

.divider-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

/* イントロダクションセクション */
.intro-section {
    background-color: var(--color-bg-light);
}

.section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.content-text p {
    font-family: var(--font-body);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-dim);
}

.content-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.stat-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(0, 255, 255, 0.05) 50%,
        transparent 70%
    );
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
}

.stat-card:hover::before {
    transform: translateX(100%);
}

.stat-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.stat-icon {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.stat-info h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
}

.unit {
    font-size: 1rem;
    color: var(--color-text-dim);
    margin-left: 2px;
}

/* 特徴セクション */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 0, 255, 0.05) 50%,
        transparent 70%
    );
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
}

.feature-card:hover::before {
    transform: translateX(100%);
}

.feature-card:hover {
    border-color: var(--color-secondary);
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.2);
    transform: translateY(-5px);
}

.feature-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.feature-icon {
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.icon-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    animation: icon-pulse 2s infinite;
}

@keyframes icon-pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.2);
        opacity: 0.5;
    }
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--color-primary);
    z-index: 1;
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    text-align: center;
}

.feature-code {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-primary);
    background-color: rgba(0, 255, 255, 0.1);
    padding: 2px 8px;
    border-radius: var(--border-radius);
}

.feature-content p {
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-dim);
    text-align: center;
}

/* 技術仕様セクション */
.tech-section {
    background-color: var(--color-bg-light);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.tech-diagram {
    position: relative;
    width: 100%;
    height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.diagram-node {
    position: absolute;
    width: 80px;
    height: 80px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.diagram-node:hover {
    background-color: rgba(0, 255, 255, 0.2);
    box-shadow: 0 0 20px var(--color-glow);
    transform: scale(1.1);
}

.diagram-node.core {
    width: 100px;
    height: 100px;
    border-color: var(--color-secondary);
    background-color: rgba(255, 0, 255, 0.1);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.diagram-node.module {
    width: 60px;
    height: 60px;
}

.diagram-node:nth-child(3) { top: 20%; left: 20%; }
.diagram-node:nth-child(4) { top: 20%; right: 20%; }
.diagram-node:nth-child(5) { bottom: 20%; left: 20%; }
.diagram-node:nth-child(6) { bottom: 20%; right: 20%; }

.node-label {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--color-primary);
    text-align: center;
}

.diagram-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.connection {
    position: absolute;
    background-color: var(--color-primary);
    height: 2px;
    transform-origin: 0 0;
}

.connection:nth-child(1) {
    width: 100px;
    top: 50%;
    left: 50%;
    transform: rotate(45deg);
}

.connection:nth-child(2) {
    width: 100px;
    top: 50%;
    left: 50%;
    transform: rotate(135deg);
}

.connection:nth-child(3) {
    width: 100px;
    top: 50%;
    left: 50%;
    transform: rotate(-45deg);
}

.tech-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.spec-item {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
}

.spec-item:hover {
    border-color: var(--color-accent);
    box-shadow: 0 0 15px rgba(57, 255, 20, 0.2);
}

.spec-label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-text-dim);
    margin-bottom: var(--spacing-xs);
}

.spec-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-accent);
}

/* CTAセクション */
.cta-section {
    background: linear-gradient(
        135deg,
        var(--color-bg-dark) 0%,
        var(--color-bg-light) 100%
    );
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        circle at 70% 30%,
        rgba(255, 0, 255, 0.1) 0%,
        transparent 50%
    );
    z-index: -1;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
}

.title-sub {
    display: block;
    font-family: var(--font-body);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-top: var(--spacing-xs);
}

.cta-text {
    font-family: var(--font-body);
    font-size: 1.2rem;
    color: var(--color-text-dim);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-timer {
    margin-bottom: var(--spacing-lg);
}

.timer-label {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-dim);
    margin-bottom: var(--spacing-sm);
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
}

.timer-unit {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--color-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    min-width: 80px;
}

.unit-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.unit-label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--color-text-dim);
    margin-top: var(--spacing-xs);
}

.timer-separator {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-primary);
    margin: 0 var(--spacing-xs);
}

.cta-buttons {
    margin-top: var(--spacing-lg);
}

/* フッター */
.cyber-footer {
    background-color: var(--color-bg-darker);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) var(--spacing-md);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo-slogan {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-text-dim);
    letter-spacing: 1px;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.footer-link {
    color: var(--color-text-dim);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-dim);
    font-size: 1.2rem;
    transition: all var(--transition-normal);
}

.social-link:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 10px var(--color-glow);
    transform: translateY(-2px);
}

.footer-copyright {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--color-text-dim);
    text-align: center;
    margin-top: var(--spacing-md);
}

/* モーダル */
.cyber-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.cyber-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--color-bg-dark);
    border: 1px solid var(--color-primary);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    padding: var(--spacing-lg);
    position: relative;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 2rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-primary);
}

.modal-body {
    padding: var(--spacing-md) 0;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-text-dim);
    margin-bottom: var(--spacing-xs);
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 10px var(--color-glow);
}

.modal-cta {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* レスポンシブデザイン */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        order: -1;
        margin-bottom: var(--spacing-lg);
    }
    
    .section-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .tech-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .tech-diagram {
        height: 250px;
        margin-bottom: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: rgba(10, 10, 10, 0.95);
        flex-direction: column;
        padding: var(--spacing-md);
        border-top: 1px solid var(--color-border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-menu {
        display: block;
    }
    
    .menu-icon {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 20px;
        cursor: pointer;
    }
    
    .menu-icon span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--color-primary);
        transition: var(--transition-normal);
    }
    
    .menu-icon.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-icon.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-icon.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .cyber-button {
        width: 100%;
    }
    
    .content-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .tech-specs {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .timer-display {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .timer-unit {
        width: 100%;
    }
    
    .footer-links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .cta-title {
        font-size: 1.8rem;
    }
    
    .modal-content {
        padding: var(--spacing-md);
        width: 95%;
    }
    
    .timer-unit {
        min-width: 60px;
    }
    
    .unit-value {
        font-size: 2rem;
    }
    
    .feature-card {
        padding: var(--spacing-sm);
    }
    
    .stat-card {
        padding: var(--spacing-sm);
    }
}

/* スクロールバー */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 5px;
}

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

/* 選択テキスト */
::selection {
    background-color: var(--color-primary);
    color: var(--color-bg-dark);
}

/* 追加のアニメーションクラス */
.animated {
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* グリッチエフェクト用クラス */
.glitching {
    animation: glitch 0.3s infinite;
}

@keyframes glitch {
    0% {
        transform: translate(0);
    }
    20% {
        transform: translate(-2px, 2px);
    }
    40% {
        transform: translate(-2px, -2px);
    }
    60% {
        transform: translate(2px, 2px);
    }
    80% {
        transform: translate(2px, -2px);
    }
    100% {
        transform: translate(0);
    }
}

/* パーティクルスタイル */
.particle {
    position: fixed;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    box-shadow: 0 0 5px currentColor;
}

/* アクティブなナビゲーションリンク */
.nav-link.active {
    color: var(--color-primary);
}

.nav-link.active::before {
    transform: translateX(0);
}

/* ローディング完了後のアニメーション */
.loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

/* スクロールバー */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 5px;
}

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

/* 選択テキスト */
::selection {
    background-color: var(--color-primary);
    color: var(--color-bg-dark);
}