/* --- 基本設定 & リセット --- */
:root {
    --base-bg: #0A0A0A;
    --midnight-blue: #001F3F;
    --dark-purple: #2A0A2A;
    --neon-blue: #00FFFF;
    --cyber-pink: #FF00FF;
    --neon-green: #39FF14;
    --bright-yellow: #FFFF00;
    --silver-gray: #808080;
    --text-color: #FFFFFF;
    --main-font: 'Orbitron', sans-serif;
    --body-font: 'Roboto Mono', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    background-color: var(--base-bg);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- タイポグラフィ --- */
h1, h2, h3 {
    font-family: var(--main-font);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.main-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-blue), var(--cyber-pink));
}

p {
    margin-bottom: 1rem;
    color: var(--silver-gray);
}

/* --- ナビゲーション --- */
.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--neon-blue);
}

.logo {
    font-family: var(--main-font);
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-family: var(--main-font);
    font-size: 0.9rem;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.nav-links a:hover {
    color: var(--neon-pink);
    text-shadow: 0 0 5px var(--neon-pink);
}

/* --- ヒーローセクション --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding-top: 80px; /* ナビゲーションの高さ分 */
}

.hero-content {
    z-index: 2;
    max-width: 800px;
}

.sub-title {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--silver-gray);
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: transparent;
    color: var(--neon-blue);
    border: 2px solid var(--neon-blue);
    text-decoration: none;
    font-family: var(--main-font);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 10px var(--neon-blue);
}

.cta-button:hover {
    color: var(--base-bg);
    background-color: var(--neon-blue);
    box-shadow: 0 0 20px var(--neon-blue), inset 0 0 20px rgba(255, 255, 255, 0.5);
}

.cta-button.large {
    padding: 20px 60px;
    font-size: 1.2rem;
}

/* グリッチエフェクト */
.glitch {
    position: relative;
    color: var(--text-color);
}

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

.glitch::before {
    left: 2px;
    text-shadow: -1px 0 var(--neon-blue);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -1px 0 var(--cyber-pink);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2 1s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(65px, 9999px, 119px, 0); }
    5% { clip: rect(29px, 9999px, 16px, 0); }
    10% { clip: rect(79px, 9999px, 85px, 0); }
    15% { clip: rect(20px, 9999px, 60px, 0); }
    20% { clip: rect(48px, 9999px, 29px, 0); }
    25% { clip: rect(42px, 9999px, 73px, 0); }
    30% { clip: rect(63px, 9999px, 27px, 0); }
    35% { clip: rect(34px, 9999px, 55px, 0); }
    40% { clip: rect(86px, 9999px, 73px, 0); }
    45% { clip: rect(20px, 9999px, 20px, 0); }
    50% { clip: rect(26px, 9999px, 60px, 0); }
    55% { clip: rect(57px, 9999px, 98px, 0); }
    60% { clip: rect(65px, 9999px, 120px, 0); }
    65% { clip: rect(16px, 9999px, 66px, 0); }
    70% { clip: rect(43px, 9999px, 95px, 0); }
    75% { clip: rect(4px, 9999px, 62px, 0); }
    80% { clip: rect(94px, 9999px, 96px, 0); }
    85% { clip: rect(31px, 9999px, 14px, 0); }
    90% { clip: rect(98px, 9999px, 96px, 0); }
    95% { clip: rect(20px, 9999px, 78px, 0); }
    100% { clip: rect(5px, 9999px, 26px, 0); }
}

@keyframes glitch-anim2 {
    0% { clip: rect(65px, 9999px, 119px, 0); }
    5% { clip: rect(29px, 9999px, 16px, 0); }
    10% { clip: rect(79px, 9999px, 85px, 0); }
    15% { clip: rect(20px, 9999px, 60px, 0); }
    20% { clip: rect(48px, 9999px, 29px, 0); }
    25% { clip: rect(42px, 9999px, 73px, 0); }
    30% { clip: rect(63px, 9999px, 27px, 0); }
    35% { clip: rect(34px, 9999px, 55px, 0); }
    40% { clip: rect(86px, 9999px, 73px, 0); }
    45% { clip: rect(20px, 9999px, 20px, 0); }
    50% { clip: rect(26px, 9999px, 60px, 0); }
    55% { clip: rect(57px, 9999px, 98px, 0); }
    60% { clip: rect(65px, 9999px, 120px, 0); }
    65% { clip: rect(16px, 9999px, 66px, 0); }
    70% { clip: rect(43px, 9999px, 95px, 0); }
    75% { clip: rect(4px, 9999px, 62px, 0); }
    80% { clip: rect(94px, 9999px, 96px, 0); }
    85% { clip: rect(31px, 9999px, 14px, 0); }
    90% { clip: rect(98px, 9999px, 96px, 0); }
    95% { clip: rect(20px, 9999px, 78px, 0); }
    100% { clip: rect(5px, 9999px, 26px, 0); }
}

.hero-visual {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.3;
}

.circuit-bg {
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect x="0" y="0" width="100" height="100" fill="none" stroke="%2300FFFF" stroke-width="0.5"/><line x1="0" y1="50" x2="100" y2="50" stroke="%2300FFFF" stroke-width="0.5"/><line x1="50" y1="0" x2="50" y2="100" stroke="%2300FFFF" stroke-width="0.5"/></svg>');
    animation: circuit-move 20s linear infinite;
}

@keyframes circuit-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(100px, 100px); }
}

/* --- セクション共通 --- */
.section {
    padding: 5rem 0;
    position: relative;
}

.section-body {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem auto;
    font-size: 1.1rem;
}

/* --- ソリューションセクション --- */
.features {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
}

.feature-item {
    flex-basis: 30%;
    min-width: 280px;
    text-align: center;
    padding: 2rem;
    border: 1px solid var(--silver-gray);
    background: rgba(0, 31, 63, 0.2);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
    border-color: var(--neon-blue);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--neon-green);
}

/* --- CTAセクション --- */
.connect {
    text-align: center;
    background: linear-gradient(135deg, rgba(42, 10, 42, 0.5), rgba(0, 31, 63, 0.5));
    padding: 8rem 0;
}

/* --- フッター --- */
.footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--silver-gray);
    font-size: 0.9rem;
}

.footer-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 1rem 0;
}

.footer-links a {
    color: var(--silver-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--neon-pink);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border: 1px solid var(--silver-gray);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.social-links a:hover {
    border-color: var(--neon-blue);
    color: var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue);
}

/* --- レスポンシブデザイン --- */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* スマホ用メニューは別途実装 */
    }

    .hero {
        padding-top: 60px;
    }

    .features {
        flex-direction: column;
        align-items: center;
    }

    .feature-item {
        width: 100%;
        max-width: 400px;
    }
}