html {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f8f8;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    background-color: #f8f8f8;
    height: auto;            /* ← これを追加 */
    min-height: 100vh;       /* 最低高さだけ確保 */
    overflow-y: auto;        /* ← 縦スクロールを許可 */
}
h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

form {
    margin: 0 auto;
    padding: 1em;
    border: 1px solid #CCC;
    border-radius: 1em;
    width: 100%;
    max-width: 600px;
    background-color: #fff;
}
.wrapper {
    width: 100%;
    max-width: 800px;
    padding: 40px 20px;
    background-color: #ffffff;
    margin-top: 40px;
    margin-bottom: 80px; /* 下の余白を追加 */
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 8px;
}

/* 横並びで整える */
.form-group {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.form-group label {
    width: 180px;
    font-weight: bold;
    color: #333;
    text-align: right;
    margin-right: 10px;
}
.form-group input,
.form-group select {
    flex: 1;
    padding: 6px;
    font-size: 1rem;
}

/* 送信ボタン */
.button {
    text-align: center;
    margin-top: 30px;
}

.button input[type="submit"] {
    background-color: #007bff;
    color: white;
    padding: 10px 30px;
    font-size: 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.button input[type="submit"]:hover {
    background-color: #0056b3;
}

/* 時間帯のセレクトは単独の行に */
select[name="reservedtime1"],
select[name="reservedtime2"] {
    margin-left: 10px;
    padding: 6px;
}

/* スマホ対応：縦に並べる */
@media screen and (max-width: 600px) {
    .form-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .form-group label {
        width: 100%;
        text-align: left;
        margin-bottom: 5px;
    }

    .form-group input,
    .form-group select {
        width: 100%;
    }
}