:root {
    --primary-blue: #4a90e2;
    --accent-blue: #357abd;
    --bg-light-blue: #f0f7ff;
    --card-bg: #ffffff;
    --text-color: #444;
    --border-blue: #b3d4fc;
}

body {
    background-color: var(--bg-light-blue);
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    color: var(--text-color);
    margin: 0;
    padding: 40px 20px;
}

.main-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 30px;
    position: relative;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    line-height: 1.8;
}

.policy-container h1 {
    font-size: 1.6rem;
    color: var(--primary-blue);
    margin: 0 0 30px 0;
    text-align: center;
}

.policy-body h2 {
    font-size: 1.2rem;
    color: #333;
    border-left: 4px solid var(--primary-blue);
    padding-left: 12px;
    margin: 40px 0 15px 0;
    display: block;
}

.policy-body p {
    margin-bottom: 20px;
    color: #555;
    font-size: 0.95rem;
}

.policy-footer {
    margin-top: 50px;
    text-align: center;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.back-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--accent-blue);
}

a {
    color: var(--primary-blue);
}

/* copyright */

.copyright { 
    margin-top: 20px; 
    grid-row-start: 2; 
    grid-row-end: 3; 
    width: 100%; 
}

.copyright_text { 
    font-weight: 500; 
    font-size: 12px; 
    color: var(--text-gray-color); 
    margin-top: 16px; 
    text-align: center; 
    padding-bottom: 8px; 
    letter-spacing: 0.08em; 
}