:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --accent-color: #8b5cf6;
    --font-family: 'Inter', 'Noto Sans JP', sans-serif;
}

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

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

/* Background Blobs for specific look */
.background-blob {
    position: fixed;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, rgba(99, 102, 241, 0) 70%);
    z-index: -1;
    filter: blur(50px);
}

.background-blob-2 {
    position: fixed;
    bottom: -100px;
    left: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, rgba(139, 92, 246, 0) 70%);
    z-index: -1;
    filter: blur(60px);
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    width: 100%;
    padding: 20px 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 10;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 16px;
}

.app-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

h1 {
    font-size: 20px;
    font-weight: 700;
}

main {
    flex: 1;
    padding: 40px 0;
}

.policy-card {
    background-color: var(--card-background);
    padding: 60px;
    border-radius: 20px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.policy-header {
    border-bottom: 2px solid #f1f5f9;
    padding-bottom: 30px;
    margin-bottom: 40px;
}

.policy-header h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 10px;
}

.effective-date {
    color: var(--text-secondary);
    font-size: 14px;
}

.policy-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 40px 0 16px;
    color: var(--text-primary);
    position: relative;
    padding-left: 14px;
}

.policy-content h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.policy-content p {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.policy-content ul {
    margin-bottom: 24px;
    padding-left: 20px;
    color: var(--text-secondary);
}

.policy-content ul li {
    margin-bottom: 12px;
}

.policy-content strong {
    color: var(--text-primary);
}

.policy-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.policy-content a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.link-card {
    background-color: #f1f5f9;
    padding: 16px 24px;
    border-radius: 10px;
    margin: 16px 0 24px;
    display: inline-block;
    transition: transform 0.2s, background-color 0.2s;
}

.link-card:hover {
    transform: translateY(-2px);
    background-color: #e2e8f0;
}

.contact-info {
    background-color: #f8fafc;
    padding: 24px;
    border-radius: 12px;
    margin-top: 24px;
    border-left: 4px solid var(--primary-color);
}

footer {
    padding: 40px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

.app-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 16px 0 32px;
}

.app-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.app-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.app-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.app-card-name {
    font-weight: 700;
    font-size: 16px;
    color: var(--text-primary);
}

.app-card-platform {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.app-card-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
    margin: 0;
}

.app-store-btn {
    display: inline-block;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s;
}

.app-store-btn:hover {
    color: var(--primary-hover);
}

@media (max-width: 640px) {
    .app-grid {
        grid-template-columns: 1fr;
    }
}
    .policy-card {
        padding: 30px 20px;
    }

    .policy-header h2 {
        font-size: 24px;
    }
}