/* 전체 레이아웃 및 폰트 설정 */
body {
    font-family: 'Noto Sans KR', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
    background: #f9f9f9;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 헤더 및 내비게이션 */
header {
    background: #007BFF;
    padding: 1rem;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav a {
    margin: 0 10px;
    text-decoration: none;
    color: white;
    font-weight: bold;
    padding: 5px 10px;
    border-radius: 8px;
    transition: background 0.3s ease;
}

nav a:hover {
    background: white;
    color: #007BFF;
}

/* 메인 콘텐츠 */
main {
    flex: 1;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
    margin: 1rem auto;
    max-width: 800px;
}

/* 푸터 */
footer {
    text-align: center;
    padding: 1rem;
    background: #007BFF;
    color: white;
}