/* ===== 基本設定 ===== */
:root {
    /* カラー */
    --color-bg-primary: #1E1F22;
    --color-bg-secondary: #2B2D31;
    --color-bg-tertiary: #313338;
    --color-accent-primary: #5865F2; /* Rosca Blue */
    --color-accent-secondary: #00A8FC;
    --color-accent-tertiary: #57F287;
    --color-accent-3nl-primary: #8a56ff; /* 3nl Purple */
    --color-accent-3nl-secondary: #c56cf0; /* 3nl Pinkish Purple */
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #B5BAC1;
    --color-warning: #ED4245;
    --color-success: #57F287;
    
    /* フォント */
    --font-primary: 'Poppins', 'Inter', sans-serif;
    --font-secondary: 'Inter', 'Roboto', sans-serif;
    
    /* アニメーション */
    --transition-fast: 0.2s;
    --transition-medium: 0.3s;
    --transition-slow: 0.5s;
    
    /* サイズ */
    --container-width: 1200px;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    --glass-blur: 10px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

a {
    text-decoration: none;
    color: var(--color-text-primary);
    transition: color var(--transition-fast) ease;
}

a:hover {
    color: var(--color-accent-primary);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== 背景効果 ===== */
.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/png;base64,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');
    opacity: 0.05;
    z-index: -2;
    pointer-events: none;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(30, 31, 34, 0) 0%, rgba(30, 31, 34, 0.8) 100%);
    z-index: -1;
    pointer-events: none;
}

/* ===== ヘッダーとナビゲーション ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 15, 19, 0.7); /* Glass Nav background */
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid rgba(var(--color-accent-3nl-primary-rgb), 0.1); /* Glass Nav border, assuming 3nl purple */
    transition: all var(--transition-medium) ease;
}

header.scrolled {
    background: rgba(15, 15, 19, 0.9); /* Darker on scroll */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-accent-primary);
    text-shadow: 0 0 10px rgba(88, 101, 242, 0.5);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    position: relative;
    font-weight: 500;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent-3nl-primary); /* Neon/3nl Purple for hover */
    transition: width 0.3s ease;
}

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

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.2rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: all var(--transition-fast) ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-accent-primary);
    color: white;
}

.btn-primary:hover {
    background-color: #4752c4;
    color: white;
    box-shadow: 0 0 15px rgba(88, 101, 242, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-text-primary);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-large {
    padding: 0.8rem 1.8rem;
    font-size: 1.1rem;
}

.btn i {
    margin-right: 0.5rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 25px;
    height: 18px;
    cursor: pointer;
}

.hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--color-text-primary);
    border-radius: 3px;
    transition: all var(--transition-fast) ease;
}

/* ===== ヒーローセクション ===== */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(43, 45, 49, 0.8) 0%, rgba(30, 31, 34, 0.8) 100%);
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(88, 101, 242, 0.1) 0%, rgba(30, 31, 34, 0) 70%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    padding: 2rem;
    animation: fadeIn 1s ease-out;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    position: relative;
    z-index: 1;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-logo {
    position: relative;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-logo h1 {
    font-size: 5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    text-shadow: 0 0 20px rgba(88, 101, 242, 0.5);
    position: relative;
    z-index: 1;
    display: block;
}

.rosca-mobile-title {
    display: none;
}

.logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(88, 101, 242, 0.3) 0%, rgba(30, 31, 34, 0) 70%);
    border-radius: 50%;
    z-index: 0;
    animation: pulse 3s infinite ease-in-out;
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.5; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
}

.hero-description {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
    align-items: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-20px) translateX(-50%); }
    60% { transform: translateY(-10px) translateX(-50%); }
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-text-secondary);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 6px;
    height: 6px;
    background-color: var(--color-text-secondary);
    border-radius: 50%;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheel 1.5s infinite;
}

@keyframes wheel {
    0% { top: 10px; opacity: 1; }
    100% { top: 30px; opacity: 0; }
}

.arrow {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.arrow span {
    display: block;
    width: 10px;
    height: 10px;
    border-bottom: 2px solid var(--color-text-secondary);
    border-right: 2px solid var(--color-text-secondary);
    transform: rotate(45deg);
}

/* ===== セクション共通 ===== */
section {
    padding: 6rem 0;
    position: relative;
    overflow: hidden; /* Added to contain animated elements if they overflow */
}

section:nth-child(odd) {
    background-color: var(--color-bg-secondary);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
    display: block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--color-accent-primary);
    border-radius: 3px;
}

.section-description {
    text-align: center;
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
}

/* ===== サーバー紹介セクション ===== */
.server-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    transition: all var(--transition-medium) ease;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    color: var(--color-text-primary);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(var(--color-accent-primary-rgb), 0.2);
    border-color: rgba(var(--color-accent-primary-rgb), 0.3);
}

.feature-card .card-icon {
    font-size: 2.5rem;
    color: var(--color-accent-primary);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 10px rgba(var(--color-accent-primary-rgb), 0.5);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-card p, .feature-card ul {
    color: var(--color-text-secondary);
}

.feature-card ul {
    margin-top: 1rem;
    padding-left: 1.5rem;
}

.feature-card ul li {
    margin-bottom: 0.5rem;
    position: relative;
}

.feature-card ul li::before {
    content: '✅';
    position: absolute;
    left: -1.5rem;
}

.server-motto {
    text-align: center;
    margin-top: 3rem;
    font-size: 1.2rem;
    font-style: italic;
    color: var(--color-text-secondary);
}

/* ===== ボット機能紹介セクション ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-box {
    background: rgba(49, 51, 56, 0.5);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-medium) ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(138, 86, 255, 0.2);
    transition: all 0.3s ease;
    border-color: rgba(88, 101, 242, 0.3);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--color-accent-primary);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 10px rgba(88, 101, 242, 0.5);
}

.feature-box h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-box p {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

.feature-details-btn {
    background-color: transparent;
    color: var(--color-accent-primary);
    border: 1px solid var(--color-accent-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast) ease;
    font-weight: 500;
}

.feature-details-btn:hover {
    background-color: var(--color-accent-primary);
    color: white;
    box-shadow: 0 0 10px rgba(88, 101, 242, 0.5);
}

.feature-details-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--color-bg-tertiary);
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast) ease;
}

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

.modal-body {
    padding: 2rem;
}

.features-motto {
    text-align: center;
    margin-top: 3rem;
    font-size: 1.2rem;
    font-style: italic;
    color: var(--color-text-secondary);
}

/* ===== 使い方ガイドセクション ===== */
.guide-steps {
    margin-top: 3rem;
}

.step-indicators {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-medium) ease;
}

.step span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    transition: all var(--transition-medium) ease;
}

.step p {
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: all var(--transition-medium) ease;
}

.step.active span {
    background-color: var(--color-accent-primary);
    color: white;
    box-shadow: 0 0 15px rgba(88, 101, 242, 0.5);
}

.step.active p {
    color: var(--color-text-primary);
}

.step-content {
    background: rgba(49, 51, 56, 0.5);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.step-details {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.step-details.active {
    display: block;
}

.step-details h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.step-details p {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

.step-image {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
}

.image-placeholder {
    width: 200px;
    height: 200px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--color-accent-primary);
}

.command-examples {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.5rem 1rem;
    margin: 1.5rem 0;
}

.command {
    font-family: 'Fira Code', monospace;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    color: var(--color-accent-secondary);
    font-weight: 500;
}

.description {
    color: var(--color-text-secondary);
    padding: 0.5rem 0;
}

/* ===== 開発者紹介セクション ===== */
.developers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.developer-card {
    background: rgba(49, 51, 56, 0.5);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-medium) ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.developer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(138, 86, 255, 0.2);
    transition: all 0.3s ease;
    border-color: rgba(88, 101, 242, 0.3);
}

.developer-avatar {
    margin-bottom: 1.5rem;
}

.avatar-placeholder {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: white;
    font-weight: 600;
    font-size: 1.2rem;
    box-shadow: 0 5px 15px rgba(88, 101, 242, 0.3);
}

.developer-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.developer-card p {
    color: var(--color-text-secondary);
}

.development-philosophy {
    margin-top: 4rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.development-philosophy h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.development-philosophy p {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

/* ===== FAQ/サポートセクション ===== */
.faq-list {
    margin-top: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.faq-item {
    background: rgba(49, 51, 56, 0.5);
    border-radius: var(--border-radius-md);
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: all var(--transition-medium) ease;
}

.faq-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question h3 {
    font-size: 1.2rem;
    font-weight: 500;
    margin: 0;
}

.toggle-icon {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast) ease;
}

.faq-item.active .toggle-icon {
    transform: rotate(45deg);
    color: var(--color-accent-primary);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-medium) ease;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px;
}

.faq-answer p {
    color: var(--color-text-secondary);
}

/* ===== CTA/フッターセクション ===== */
#cta {
    text-align: center;
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(43, 45, 49, 0.9) 0%, rgba(30, 31, 34, 0.9) 100%);
    position: relative;
    overflow: hidden;
}

#cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(88, 101, 242, 0.1) 0%, rgba(30, 31, 34, 0) 70%);
    z-index: -1;
}

#cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

#cta p {
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* ===== フッター ===== */
footer {
    background-color: var(--color-bg-primary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-accent-primary);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

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

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast) ease;
    font-size: 1.2rem;
}

.social-icon:hover {
    background-color: var(--color-accent-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(88, 101, 242, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ===== レスポンシブデザイン ===== */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }

    .hero-logo h1 {
        font-size: 3.5rem;
    }

    .hero-description {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .feature-card, .community-card {
        width: calc(50% - 20px);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .nav-links, .cta-buttons {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-menu .nav-links {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .mobile-menu .nav-links a {
        display: block;
        color: white;
        font-size: 1.3rem;
        padding: 0.5rem 0;
    }

    .mobile-menu .cta-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        margin-top: 2rem;
    }

    .mobile-menu .cta-buttons .btn {
        display: block;
        width: 80%;
        text-align: center;
    }

    .hero-logo h1 {
        display: none;
    }

    .rosca-mobile-title {
        display: block;
        font-size: 4rem;
        font-weight: 700;
        color: var(--color-text-primary);
        text-shadow: 0 0 20px rgba(88, 101, 242, 0.5);
        margin-bottom: 1rem;
    }

    .hero-description {
        font-size: 1rem;
        padding: 0 1rem;
        max-width: 90%;
        margin-bottom: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 2rem;
    }

    .hero-buttons .btn {
        width: 80%;
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }

    .hero-buttons .btn-large {
        padding: 0.8rem 1rem;
        font-size: 1rem;
    }

    .hero-buttons .neon-button,
    .hero-buttons .gradient-button {
        width: 80%;
        min-height: 50px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .feature-card, .community-card {
        width: 100%;
        margin-bottom: 20px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .footer-links {
        flex-direction: column;
        gap: 10px;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-logo h1 {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 0.9rem;
        max-width: 95%;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .feature-card, .community-card {
        padding: 15px;
    }

    .hero-buttons .btn,
    .hero-buttons .neon-button,
    .hero-buttons .gradient-button {
        width: 90%;
        font-size: 0.85rem;
    }
    .hero-buttons .btn-large {
        font-size: 0.95rem;
    }

    .rosca-mobile-title {
        font-size: 3rem;
    }
}

/* ===== モバイルメニュー ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 300px;
    height: 100%;
    background-color: var(--color-bg-secondary);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.2);
    transition: left var(--transition-medium) ease;
    padding: 2rem;
    z-index: 1001;
    overflow-y: auto;
}

.mobile-menu.active {
    left: 0;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.mobile-menu-links a {
    color: white;
    font-size: 1.2rem;
    text-decoration: none;
}

.mobile-cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.close-menu {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    color: white;
    cursor: pointer;
}

body.menu-open {
    overflow: hidden;
}

/* ===== アニメーション ===== */
.fade-in, .slide-in-left, .slide-in-right, .scale-in {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 0.8s;
    transition-timing-function: ease;
    will-change: opacity, transform;
}

.fade-in { transform: translateY(30px); }
.slide-in-left { transform: translateX(-50px); }
.slide-in-right { transform: translateX(50px); }
.scale-in { transform: scale(0.8); }

.fade-in.visible,
.slide-in-left.visible,
.slide-in-right.visible,
.scale-in.visible {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* Add styles for particles.js container if used */
#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
}

/* === Neon Glow Button === */
.neon-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  color: #fff;
  background: transparent;
  border: 2px solid var(--color-accent-3nl-primary);
  border-radius: var(--border-radius-md);
  text-transform: uppercase;
  letter-spacing: 2px;
  overflow: hidden;
  transition: 0.5s;
  cursor: pointer;
  font-weight: 600;
}

.neon-button:hover {
  background: var(--color-accent-3nl-primary);
  box-shadow: 0 0 10px var(--color-accent-3nl-primary), 0 0 40px var(--color-accent-3nl-primary), 0 0 80px var(--color-accent-3nl-primary);
}

.neon-button span {
  position: absolute;
  display: block;
}

.neon-button span:nth-child(1) {
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent-3nl-primary));
  animation: btn-anim1 1s linear infinite;
}

@keyframes btn-anim1 {
  0% { left: -100%; }
  50%,100% { left: 100%; }
}

.neon-button span:nth-child(2) {
  top: -100%;
  right: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--color-accent-3nl-primary));
  animation: btn-anim2 1s linear infinite;
  animation-delay: 0.25s;
}

@keyframes btn-anim2 {
  0% { top: -100%; }
  50%,100% { top: 100%; }
}

.neon-button span:nth-child(3) {
  bottom: 0;
  right: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(270deg, transparent, var(--color-accent-3nl-primary));
  animation: btn-anim3 1s linear infinite;
  animation-delay: 0.5s;
}

@keyframes btn-anim3 {
  0% { right: -100%; }
  50%,100% { right: 100%; }
}

.neon-button span:nth-child(4) {
  bottom: -100%;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(360deg, transparent, var(--color-accent-3nl-primary));
  animation: btn-anim4 1s linear infinite;
  animation-delay: 0.75s;
}

@keyframes btn-anim4 {
  0% { bottom: -100%; }
  50%,100% { bottom: 100%; }
}

/* === Gradient Button === */
.gradient-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background-image: linear-gradient(to right, var(--color-accent-3nl-primary), var(--color-accent-3nl-secondary));
  border: none;
  border-radius: 50px;
  color: white;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 10px 20px rgba(138, 86, 255, 0.3);
  cursor: pointer;
}

.gradient-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(138, 86, 255, 0.4);
}

.gradient-button:active {
  transform: translateY(1px);
}

.btn i, .neon-button i, .gradient-button i {
    margin-right: 0.5rem;
}

/* ===== セクション共通 ===== */
section {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

/* ===== サーバー紹介セクション (About Section in index.html) ===== */
/* This could be .about-card in index.html */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--border-radius-lg);
  padding: 25px;
  box-shadow: var(--glass-shadow);
  border: var(--glass-border);
  transition: all 0.3s ease;
  color: var(--color-text-primary);
  text-align: center;
}

.glass-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 40px rgba(var(--color-accent-3nl-primary-rgb), 0.2);
  border-color: rgba(var(--color-accent-3nl-primary-rgb), 0.3);
}

.glass-card .card-icon {
  font-size: 2.5rem;
  color: var(--color-accent-3nl-primary);
  margin-bottom: 15px;
}

.glass-card h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: white;
  font-weight: 600;
}

.glass-card p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  text-align: left;
}

.glass-card .card-features {
    margin-top: 1rem;
    text-align: left;
}

.glass-card .btn {
    margin-top: 1.5rem;
}

/* 3D Hover Card */
.card-3d-container {
  perspective: 1000px;
}

.card-3d {
  position: relative;
  width: 100%;
  min-height: 250px;
  transform-style: preserve-3d;
  transition: all 0.5s ease;
  border-radius: var(--border-radius-lg);
  background: linear-gradient(135deg, #2b2b2b, #1a1a1a);
  padding: 25px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  color: var(--color-text-primary);
}

.card-3d-container:hover .card-3d {
  transform: rotateY(10deg) rotateX(10deg);
  box-shadow: 0 20px 40px rgba(var(--color-accent-3nl-primary-rgb), 0.3);
}

.card-3d h3 {
  color: var(--color-accent-3nl-primary);
  font-size: 1.5rem;
  margin-bottom: 10px;
  font-weight: 600;
}

.card-3d p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

/* Merging existing .feature-card with .glass-card properties */
.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    transition: all var(--transition-medium) ease;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    color: var(--color-text-primary);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(var(--color-accent-primary-rgb), 0.2);
    border-color: rgba(var(--color-accent-primary-rgb), 0.3);
}

.feature-card .card-icon {
    font-size: 2.5rem;
    color: var(--color-accent-primary);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 10px rgba(var(--color-accent-primary-rgb), 0.5);
}

/* コミュニティセクション */
.community-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.community-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    border: var(--glass-border);
    transition: all 0.3s ease;
    color: var(--color-text-primary);
    box-shadow: var(--glass-shadow);
}

.community-card:hover {
    transform: translateY(-10px);
    border-color: rgba(var(--color-accent-3nl-primary-rgb), 0.3);
    box-shadow: 0 10px 30px rgba(var(--color-accent-3nl-primary-rgb), 0.2);
}

.community-card .card-icon {
    font-size: 2.5rem;
    color: var(--color-accent-3nl-primary);
    margin-bottom: 1.5rem;
}

.community-card h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.community-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* セキュリティセクション */
.security-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin: 3rem 0;
}

.security-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.shield-icon {
    font-size: 8rem;
    color: #8a56ff;
    animation: pulse 2s infinite;
}

.security-text {
    flex: 2;
}

.security-features {
    list-style: none;
    padding: 0;
}

.security-features li {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

.security-features li i {
    color: #8a56ff;
    margin-right: 1rem;
    font-size: 1.3rem;
}

.security-motto {
    text-align: center;
    margin-top: 3rem;
    font-size: 1.3rem;
    font-style: italic;
    color: var(--color-text-secondary);
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Roscaボットセクション */
.rosca-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.rosca-card {
    background: rgba(88, 101, 242, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(88, 101, 242, 0.1);
    transition: all 0.3s ease;
}

.rosca-card:hover {
    transform: translateY(-10px);
    border-color: rgba(88, 101, 242, 0.3);
    box-shadow: 0 10px 30px rgba(88, 101, 242, 0.2);
}

.rosca-card .card-icon {
    font-size: 2.5rem;
    color: #5865F2;
    margin-bottom: 1.5rem;
}

.rosca-card h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.rosca-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.rosca-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.rosca-feature {
    background: rgba(88, 101, 242, 0.05);
    border-radius: 15px;
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    border: 1px solid rgba(88, 101, 242, 0.1);
    transition: all 0.3s ease;
}

.rosca-feature:hover {
    transform: translateY(-5px);
    border-color: rgba(88, 101, 242, 0.3);
    box-shadow: 0 10px 30px rgba(88, 101, 242, 0.2);
}

.rosca-feature i {
    font-size: 1.5rem;
    color: #5865F2;
}

.rosca-feature-content h4 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.rosca-feature-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .rosca-features-grid {
        grid-template-columns: 1fr;
    }
}

/* Roscaボット詳細セクション */
.rosca-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin: 4rem 0;
}

.rosca-showcase-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.rosca-showcase-item {
    background: rgba(88, 101, 242, 0.05);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(88, 101, 242, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.rosca-showcase-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(88, 101, 242, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.rosca-showcase-item:hover {
    transform: translateY(-5px);
    border-color: rgba(88, 101, 242, 0.3);
    box-shadow: 0 10px 30px rgba(88, 101, 242, 0.2);
}

.rosca-showcase-item:hover::before {
    opacity: 1;
}

.rosca-showcase-item h3 {
    color: #5865F2;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.rosca-showcase-item h3 i {
    font-size: 1.8rem;
}

.rosca-showcase-item p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.command-preview {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Fira Code', monospace;
    color: #a8b3cf;
    margin-top: 1rem;
}

.command-preview code {
    color: #5865F2;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
}

.feature-list li i {
    color: #5865F2;
    font-size: 1.2rem;
}

.rosca-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rosca-preview {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(88, 101, 242, 0.3);
    transition: all 0.3s ease;
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(88, 101, 242, 0.2), transparent);
    pointer-events: none;
}

.floating-features {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-feature {
    position: absolute;
    background: rgba(88, 101, 242, 0.1);
    backdrop-filter: blur(10px);
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid rgba(88, 101, 242, 0.2);
    animation: float 3s infinite ease-in-out;
}

.floating-feature:nth-child(1) {
    top: 10%;
    left: -20%;
    animation-delay: 0s;
}

.floating-feature:nth-child(2) {
    top: 40%;
    right: -20%;
    animation-delay: 1s;
}

.floating-feature:nth-child(3) {
    bottom: 10%;
    left: -15%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@media (max-width: 768px) {
    .rosca-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .floating-features {
        display: none;
    }

    .rosca-showcase-item h3 {
        font-size: 1.3rem;
    }

    .command-preview {
        font-size: 0.9rem;
    }
}