:root {
    --primary-color: #0066ff;
    --primary-dark: #004ecc;
    --secondary-color: #f0f7ff;
    --text-color: #1a1a1a;
    --text-light: #666;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #0066ff 0%, #00d4ff 100%);
    --shadow: 0 10px 30px rgba(0, 102, 255, 0.1);
}

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

body {
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    color: var(--text-color);
    line-height: 1.8;
    background-color: #fcfdfe;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    background: var(--gradient);
    color: var(--white);
    padding: 100px 0 120px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: #fcfdfe;
    transform: skewY(-2deg);
}

.hero-eyecatch {
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
    opacity: 0.9;
    font-size: 0.9rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 30px;
}

.hero-title .highlight {
    color: #ffd700;
    text-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
}

.hero-lead {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.95;
}

/* CTA Buttons */
.cta-button {
    display: inline-block;
    padding: 20px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.cta-button.primary {
    background: var(--white);
    color: var(--primary-color);
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.btn-sub {
    display: block;
    font-size: 0.8rem;
    font-weight: 400;
    margin-top: 5px;
}

/* Content Sections */
.content-section {
    padding: 80px 0;
}

.glass-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 60px;
    border-radius: 30px;
    box-shadow: var(--shadow);
}

h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 30px;
    color: var(--primary-dark);
}

p {
    margin-bottom: 20px;
}

/* Reasons Grid */
.reasons-section {
    padding: 80px 0;
    background-color: var(--secondary-color);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.reason-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    position: relative;
}

.reason-num {
    font-size: 3rem;
    font-weight: 900;
    color: rgba(0, 102, 255, 0.1);
    position: absolute;
    top: 20px;
    right: 20px;
}

.reason-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Footer */
.footer {
    padding: 60px 0;
    background: #1a1a1a;
    color: #888;
    text-align: center;
}

.footer p {
    margin-bottom: 10px;
}

.small {
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }
    .glass-card {
        padding: 30px;
    }
}