body {
    font-family: 'Montserrat';
    background-color: #f9f9f9;
    line-height: 1.6;
}

header {
    background-color: #4CAF50; /* 明るい緑色 */
    color: #fff;
    padding: 20px 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
    letter-spacing: 1px;
}

nav ul {
	list-style: none
}

nav ul li {
	display: inline-block;
	margin-right: 36px;
}

nav a {
	color: #fff;
	text-decoration: none;
}

main {
    max-width: 950px;
    margin: 40px auto;
		padding: 0;
}

section {
	  background-color: #fff;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

section h2 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 15px;
    border-bottom: 2px solid #4CAF50;
    padding-bottom: 5px;
}

section p {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

section ul {
    list-style: square;
    padding-left: 20px;
    margin-bottom: 20px;
}

section ul li {
    margin-bottom: 10px;
}

section pre {
    background-color: #f4f4f4;
    padding: 15px;
    border-left: 5px solid #4CAF50;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    color: #333;
}

section img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 20px;
}

a {
    color: #4CAF50;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}