/* ===== CSS Variables ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a24;
    --bg-hover: #252532;
    --text-primary: #f0f0f5;
    --text-secondary: #9090a0;
    --text-muted: #606070;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-pink: #ec4899;
    --accent-orange: #f97316;
    --accent-green: #10b981;
    --gradient-main: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    --border-subtle: rgba(255, 255, 255, 0.06);
    --shadow-glow: 0 0 60px rgba(139, 92, 246, 0.15);
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Zen Kaku Gothic New', 'Outfit', sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== Language Switcher ===== */
.lang-switcher {
    position: absolute;//fixed
    top: 20px;
    right: 20px;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(26, 26, 36, 0.8);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-subtle);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.lang-btn:hover, .lang-btn.active {
    color: var(--text-primary);
    background: var(--gradient-subtle);
}

.lang-divider {
    color: var(--text-muted);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: 100px 20px 60px;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(139, 92, 246, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 70% 110%, rgba(59, 130, 246, 0.1), transparent);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.logo {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.logo-jp {
    color: var(--text-primary);
}

.logo-dot {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-ai {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 40px;
    letter-spacing: 0.1em;
}

/* ===== Search Box ===== */
.search-container {
    max-width: 600px;
    margin: 0 auto;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    padding: 6px 6px 6px 24px;
    transition: all 0.3s;
    box-shadow: var(--shadow-glow);
}

.search-box:focus-within {
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 0 80px rgba(139, 92, 246, 0.25);
}

.search-icon {
    color: var(--accent-purple);
    font-size: 1.1rem;
    margin-right: 12px;
}

.search-box input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 12px 0;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-btn {
    background: var(--gradient-main);
    border: none;
    color: white;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.search-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.search-hint {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 12px;
    opacity: 0.7;
}

/* ===== Tags Section ===== */
/**.tags-section {
    padding: 20px;
    border-bottom: 1px solid var(--border-subtle);
}**/
/* ===== Tags Section ===== */
.tags-section {
    padding: 20px;
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    max-width: 900px;
    margin: 0 auto;
}

.tag {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.2s;
}

.tag:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: rgba(139, 92, 246, 0.3);
}

.tag.active {
    background: var(--gradient-main);
    color: white;
    border-color: transparent;
}

/* ===== Carousel Section ===== */
.carousel-section {
    padding: 40px 20px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-label {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding-left: 4px;
}

.carousel-wrapper {
    position: relative;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}

.carousel {
    display: flex;
    gap: 16px;
    animation: scroll 30s linear infinite;
    width: max-content;
}

.carousel:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.carousel-item {
    flex-shrink: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.carousel-item:hover {
    background: var(--bg-hover);
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-2px);
}

.carousel-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.carousel-item-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
}

.carousel-item-tag {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ===== Rankings Section ===== */
.rankings-section {
    padding: 40px 20px 80px;
    max-width: 1200px;
    margin: 0 auto;
}

.rankings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.ranking-category {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.3s;
}

.ranking-category:hover {
    border-color: rgba(139, 92, 246, 0.2);
}

.ranking-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.ranking-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.ranking-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
}

.ranking-list {
    list-style: none;
}

.ranking-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.ranking-item:hover {
    background: var(--bg-hover);
}

.ranking-number {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    width: 28px;
    text-align: center;
}

.ranking-number.gold { color: #fbbf24; }
.ranking-number.silver { color: #94a3b8; }
.ranking-number.bronze { color: #cd7f32; }

.ranking-name {
    font-weight: 500;
    flex: 1;
}

.ranking-company {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.ranking-arrow {
    color: var(--text-muted);
    font-size: 0.75rem;
    opacity: 0;
    transition: opacity 0.2s;
}

.ranking-item:hover .ranking-arrow {
    opacity: 1;
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    padding: 20px;
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 480px;
    width: 100%;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s;
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--bg-hover);
    border: none;
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

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

.modal-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.modal-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-company {
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-card);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    margin-top: 4px;
    display: inline-block;
}

.modal-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.modal-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.modal-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 14px 18px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.modal-link:hover {
    background: var(--bg-hover);
    border-color: rgba(139, 92, 246, 0.3);
}

.modal-link i:first-child {
    margin-right: 10px;
    color: var(--text-muted);
}

.modal-link-arrow {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.modal-apps {
    display: flex;
    gap: 10px;
}

.modal-app-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 12px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.modal-app-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
}

.modal-tag {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-card);
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: 32px 20px;
    text-align: center;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text-primary);
}

/* ===== Icon Colors ===== */
.icon-blue { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.icon-purple { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.icon-cyan { background: rgba(6, 182, 212, 0.15); color: #06b6d4; }
.icon-pink { background: rgba(236, 72, 153, 0.15); color: #ec4899; }
.icon-orange { background: rgba(249, 115, 22, 0.15); color: #f97316; }
.icon-green { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.icon-yellow { background: rgba(234, 179, 8, 0.15); color: #eab308; }
.icon-red { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.icon-gray { background: rgba(148, 163, 184, 0.15); color: #94a3b8; }
.icon-indigo { background: rgba(99, 102, 241, 0.15); color: #6366f1; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero {
        padding: 80px 16px 40px;
    }
    
    .logo {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 0.95rem;
    }
    
    .search-box {
        padding: 4px 4px 4px 16px;
    }
    
    .search-box input {
        font-size: 0.9rem;
    }
    
    .search-btn {
        width: 42px;
        height: 42px;
    }
    
    .tags-container {
        gap: 8px;
    }
    
    .tag {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .rankings-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .ranking-category {
        padding: 20px;
    }
    
    .modal {
        padding: 24px;
    }
    
    .modal-title {
        font-size: 1.3rem;
    }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ranking-category {
    animation: fadeInUp 0.5s ease forwards;
}

.ranking-category:nth-child(1) { animation-delay: 0.1s; }
.ranking-category:nth-child(2) { animation-delay: 0.2s; }
.ranking-category:nth-child(3) { animation-delay: 0.3s; }
.ranking-category:nth-child(4) { animation-delay: 0.4s; }
.ranking-category:nth-child(5) { animation-delay: 0.5s; }
.ranking-category:nth-child(6) { animation-delay: 0.6s; }

/* ===== Highlight Animation ===== */
.ranking-category.highlight {
    animation: highlightPulse 1.5s ease;
}

@keyframes highlightPulse {
    0%, 100% {
        border-color: var(--border-subtle);
        box-shadow: none;
    }
    30%, 70% {
        border-color: rgba(139, 92, 246, 0.6);
        box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
    }
}


/* ===== Hot Links ===== */
.hot-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 16px;
}

.hot-link {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all 0.2s;
}

.hot-link:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(139, 92, 246, 0.5);
}