:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --gradient: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    --font-sans: 'Inter', 'Noto Sans JP', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

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

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

.header {
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 48px;
    width: auto;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    gap: 4rem;
}

@media (max-width: 991px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 10rem;
    }
}

.hero-content {
    flex: 1;
    z-index: 2;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
}

@media (max-width: 991px) {
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
}

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

@media (max-width: 991px) {
    .hero-actions {
        justify-content: center;
    }
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.hero-image-container {
    flex: 1;
    position: relative;
    z-index: 1;
}

.hero-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 24px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.hero-image:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.hero-image-overlay {
    position: absolute;
    inset: -5px;
    background: var(--gradient);
    border-radius: 28px;
    opacity: 0.3;
    filter: blur(20px);
    z-index: -1;
}

.features {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-heading);
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem;
    border-radius: 24px;
    transition: transform 0.3s ease, border-color 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-light);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.footer {
    padding: 4rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

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

.hero-content {
    animation: fadeIn 1s ease-out;
}

/* Confirmation Page Styles */
.confirm-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    text-align: center;
}

.confirm-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 4rem 2rem;
    border-radius: 32px;
    max-width: 500px;
    width: 100%;
}

.confirm-icon {
    margin-bottom: 2rem;
    animation: bounce 2s infinite ease-in-out;
}

.confirm-logo-img {
    height: 120px;
    width: auto;
}

@keyframes bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.confirm-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.confirm-text {
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
}