* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans JP', sans-serif;
}

body {
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 5px;
}

header p {
    font-size: 0.9rem;
    color: #7f8c8d;
}

main {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

section {
    margin-bottom: 20px;
}

section h2 {
    font-size: 1.2rem;
    color: #2980b9;
    margin-bottom: 10px;
    border-left: 4px solid #2980b9;
    padding-left: 10px;
}

section p, section ul {
    font-size: 1rem;
    color: #444;
}

section ul {
    padding-left: 20px;
    list-style-type: disc;
}

footer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.8rem;
    color: #95a5a6;
}