body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

.navbar {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

.navbar ul {
    padding: 0;
    list-style: none;
    margin: 0;
}

.navbar ul li {
    display: inline;
    margin: 0 15px;
}

.navbar a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1em;
}

.navbar a:hover {
    text-decoration: underline;
}

.container {
    max-width: 960px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1, h2 {
    color: #333;
}

.footer {
    text-align: center;
    padding: 20px;
    margin-top: 30px;
    color: #777;
    font-size: 0.9em;
}

.button {
    display: inline-block;
    padding: 12px 24px;
    margin-top: 10px;
    background-color: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    text-align: center;
    transition: background-color 0.3s, transform 0.2s;
}

.button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

/* お問い合わせフォーム */
.contact-form {
    margin-top: 20px;
}
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box; /* paddingを含めてwidth 100%にする */
}
.form-group textarea {
    resize: vertical; /* 縦方向のみリサイズ可能に */
}