:root {
    --primary-color: #4B9CD3;
    --accent-color: #FFA500;
    --bg-color: #F8F8F8;
    --text-color: #333333;
    --white: #FFFFFF;
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.language-switcher {
    float: right;
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.language-switcher a {
    color: var(--primary-color);
    text-decoration: none;
}

.language-switcher a:hover {
    text-decoration: underline;
}

.language-switcher .active {
    font-weight: bold;
    color: var(--text-color);
}

.content {
    padding: 120px 2rem 4rem;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

.page-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.company-info dl {
    margin-bottom: 2rem;
}

.company-info dt {
    font-weight: bold;
    margin-top: 1.5rem;
}

.company-info dd {
    margin-left: 1rem;
    margin-top: 0.5rem;
}

.terms-content section,
.privacy-content section {
    margin-bottom: 3rem;
}

.terms-content h2,
.privacy-content h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.terms-content p,
.privacy-content p {
    margin-bottom: 1rem;
}

.terms-content ul,
.privacy-content ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }
    
    .content {
        padding: 100px 1rem 2rem;
    }
}