:root {
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: 1px solid rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --primary-text: #ffffff;
    --accent-color: #00f2ff;
}

body {
    margin: 0;
    font-family: 'Noto Sans JP', sans-serif;
    background: linear-gradient(45deg, #1a0b2e, #4a148c, #311b92, #0d47a1);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    color: var(--primary-text);
    min-height: 100vh;
    overflow-x: hidden;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Glassmorphism Classes */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    padding: 40px;
    margin-bottom: 40px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.5);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80vh;
    padding: 40px 0;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-text {
    flex: 1;
    min-width: 300px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, #00f2ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.9;
    font-weight: 300;
}

.hero-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 30px rgba(0,0,0,0.5));
    animation: float 6s ease-in-out infinite;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(0, 242, 255, 0.2) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    border-radius: 50%;
}

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

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 60px 0;
}

.feature-item {
    text-align: center;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--accent-color);
}

/* Benefits Section */
.benefits {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #fff;
}

.benefit-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.benefit-row {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.benefit-number {
    font-size: 4rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.1);
    font-family: 'Montserrat', sans-serif;
}

.benefit-text h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--accent-color);
}

/* CTA Button */
.btn-main {
    display: inline-block;
    padding: 18px 40px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.3);
}

.btn-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: 0.5s;
}

.btn-main:hover {
    background: #fff;
    color: #4a148c;
    box-shadow: 0 0 40px rgba(0, 242, 255, 0.6);
    transform: scale(1.05);
}

.btn-main:hover::before {
    left: 100%;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px;
    color: rgba(255, 255, 255, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 60px;
}

@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
    .hero { text-align: center; justify-content: center; }
    .btn-main { width: 100%; box-sizing: border-box; text-align: center; }
}