/* CSS Variables & Design System */
:root {
    --color-primary: #2E1A47;
    /* Deep Purple */
    --color-primary-light: #4A2F6D;
    --color-accent: #C0A16B;
    /* Gold */
    --color-accent-hover: #D4B47D;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-white: #FFFFFF;
    --color-bg-light: #F9F9FB;
    --color-bg-dark: #1A1029;

    --font-main: 'Noto Sans JP', sans-serif;
    --font-brand: 'M PLUS Rounded 1c', sans-serif;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 16px 48px rgba(46, 26, 71, 0.2);

    --transition: all 0.3s ease;
    --radius: 8px;
    --radius-lg: 16px;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Typography Tools */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.block {
    display: block;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-brand);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.logo-text .highlight {
    color: var(--color-accent);
}

.nav-list {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-list a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-primary);
}

.nav-list a:hover {
    color: var(--color-accent);
}

.btn-nav {
    padding: 0.5rem 1.2rem;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius);
    transition: var(--transition);
}

.btn-nav:hover {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: radial-gradient(circle at top right, rgba(192, 161, 107, 0.1), transparent 40%),
        radial-gradient(circle at bottom left, rgba(46, 26, 71, 0.05), transparent 40%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-tagline {
    font-family: var(--font-brand);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    display: inline-block;
}

.hero-title {
    font-family: var(--font-brand);
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    font-weight: 800;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 2.5rem;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    font-weight: 700;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-gold {
    background-color: var(--color-accent);
    color: var(--color-white);
    border: none;
}

.btn-gold:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(192, 161, 107, 0.4);
}

.btn-large {
    padding: 1rem 3rem;
    font-size: 1.1rem;
    border-radius: 50px;
    gap: 0.8rem;
}

.hero-visual-image-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 2rem;
}

.hero-visual-image-container::before {
    content: '';
    position: absolute;
    width: 90%;
    height: 90%;
    background: radial-gradient(circle, rgba(192, 161, 107, 0.2) 0%, transparent 70%);
    z-index: -1;
    border-radius: 50%;
}

.hero-visual-image {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: 50%;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    border: 4px solid var(--color-white);
    outline: 4px solid var(--color-accent);
    transition: transform 0.5s ease;
}

.hero-visual-image:hover {
    transform: scale(1.02) rotate(2deg);
}

/* Sections */
.section {
    padding: 5rem 0;
}

.bg-light {
    background-color: var(--color-bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--color-accent);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 700;
}

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.video-card {
    background: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.video-thumbnail {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background-color: #ddd;
}

.video-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.video-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    line-height: 1.4;
    color: var(--color-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    margin-top: auto;
    font-size: 0.8rem;
    color: var(--color-text-light);
    display: flex;
    gap: 1rem;
}

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

.view-more-link {
    color: var(--color-primary);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 0.2rem;
}

.view-more-link:hover {
    color: var(--color-accent);
}

/* Community Section */
.community-section {
    background: linear-gradient(rgba(46, 26, 71, 0.95), rgba(46, 26, 71, 0.95)),
        url('https://images.unsplash.com/photo-1556761175-5973dc0f32e7?ixlib=rb-4.0.3&auto=format&fit=crop&w=1632&q=80') center/cover;
    color: var(--color-white);
    text-align: center;
}

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

.community-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.community-text {
    font-size: 1.1rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.community-features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

.feature-item i {
    font-size: 2rem;
    color: var(--color-accent);
}

.feature-item span {
    font-weight: 700;
}

/* Footer */
.footer {
    background-color: var(--color-bg-dark);
    color: var(--color-white);
    padding: 4rem 0 2rem;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-text-footer {
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
    margin-bottom: 1rem;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    text-align: right;
}

.footer-links a {
    opacity: 0.7;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    font-size: 0.8rem;
    opacity: 0.5;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-list {
        display: none;
        /* Add JS to toggle this */
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-md);
        gap: 1.5rem;
    }

    .nav-list.active {
        display: flex;
    }

    .footer-container {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
        align-items: center;
    }

    .footer-links {
        text-align: center;
    }
}