@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Great+Vibes&display=swap');

:root {
    --bg-dark: #0a0a0c;
    --primary-neon: #7a00ff;
    --secondary-neon: #ff0088;
    --text-main: #f0f0f5;
    --text-muted: #a0a0b0;
    --glass-bg: rgba(20, 20, 25, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(circle at 15% 50%, rgba(122, 0, 255, 0.15), transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(255, 0, 136, 0.15), transparent 40%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
}

/* Neon Text Utilities */
.text-gradient {
    background: linear-gradient(120deg, var(--primary-neon), var(--secondary-neon));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.logo {
    font-family: 'Great Vibes', cursive;
    font-size: 2.2rem;
    font-weight: 400;
    color: #fff;
    text-shadow: 0 0 10px rgba(122, 0, 255, 0.8);
    text-transform: none;
    letter-spacing: 1px;
    text-decoration: none;
}

nav {
    display: flex;
    gap: 30px;
}

nav a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 5px 0;
    transition: color 0.3s;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-neon), var(--secondary-neon));
    transition: width 0.3s ease;
}

nav a:hover {
    color: #fff;
}

nav a:hover::after {
    width: 100%;
}

/* Page Containers */
main {
    min-height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
    align-items: center;
}

section {
    width: 100%;
    max-width: 1200px;
    padding: 40px 20px;
}

/* Hero Section Refactoring (Image Background) */
.hero {
    position: relative;
    width: 100%;
    max-width: none;
    /* remove max-width limit for full bleed */
    min-height: 100vh;
    padding: 100px 20px 40px;
    /* add top padding instead of main */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-image:
        linear-gradient(to bottom, rgba(10, 10, 12, 0.3) 0%, rgba(10, 10, 12, 1) 100%),
        url('images/hero_bg.jpg');
    background-size: cover;
    background-position: center 20%;
    background-attachment: fixed;
    /* Parallax effect */
}

.hero-logo {
    width: 100%;
    max-width: 500px;
    margin-bottom: 20px;
    /* ロゴが透過画像になったため、ネオンの光彩のみを付与 */
    filter: drop-shadow(0 0 20px rgba(122, 0, 255, 0.6));
}

/* Titles */
h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 30px;
    text-align: center;
    letter-spacing: 2px;
}

h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 20px;
}

/* Common Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    background: linear-gradient(45deg, var(--primary-neon), var(--secondary-neon));
    color: white;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 0, 136, 0.4);
}

/* Footer */
footer {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
    font-size: 14px;
    border-top: 1px solid var(--glass-border);
    margin-top: auto;
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease-out forwards;
    opacity: 0;
}

.slide-up {
    animation: slideUp 0.8s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Delay Unities */
.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

/* Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        padding: 15px;
    }

    .logo {
    font-family: 'Great Vibes', cursive;
    font-size: 2.2rem;
    font-weight: 400;
    color: #fff;
    text-shadow: 0 0 10px rgba(122, 0, 255, 0.8);
    text-transform: none;
    letter-spacing: 1px;
    text-decoration: none;
}

    nav {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    h1 {
        font-size: 36px;
    }
}
.cursive-logo { font-family: 'Great Vibes', cursive; font-size: 5.5rem; font-weight: 400; text-align: center; margin-bottom: 20px; color: #fff; text-shadow: 0 0 20px rgba(122, 0, 255, 0.8), 0 0 40px rgba(255, 0, 136, 0.5); }