.contents_m {
    padding: 50px 60px;
}

/* 見出し */
h2 {
    font-size: 26px;
    font-weight: 600;
    color: #245FE5;
    margin: 0 0 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid #245FE5;
    letter-spacing: 0.5px;
}

/* メインエリア */
.main {
    margin-top: 30px;
}

.form_table table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: 30px;
}

.form_table caption {
    text-align: left;
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 20px;
    padding-left: 4px;
}

/* テーブル行 */
.form_table tr {
    background: #fafbfc;
    border: 1px solid #e8ecf1;
}

.form_table th {
    background: linear-gradient(180deg, #f8f9fb 0%, #f0f2f5 100%);
    padding: 20px 24px;
    text-align: left;
    font-weight: 600;
    color: #2c3e50;
    font-size: 15px;
    vertical-align: middle;
    border-right: 1px solid #e8ecf1;
}

.form_table td {
    padding: 24px 28px;
    background: #ffffff;
}

/* 必須マーク */
.requisite {
    display: inline-block;
    background: #EA7317;
    color: #ffffff;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 4px;
    margin-left: 10px;
    letter-spacing: 0.5px;
}

/* 入力フィールド */
input[type="text"] {
    width: 100%;
    max-width: 450px;
    padding: 14px 16px;
    font-size: 15px;
    border: 2px solid #e1e8ed;
    border-radius: 6px;
    transition: all 0.3s ease;
    box-sizing: border-box;
    font-family: inherit;
}

input[type="text"]:focus {
    outline: none;
    border-color: #245FE5;
    box-shadow: 0 0 0 4px rgba(36, 95, 229, 0.1);
}

/* ヒントテキスト */
.hint {
    display: block;
    margin-top: 10px;
    font-size: 13px;
    color: #6c757d;
    line-height: 1.6;
}

/* ボタンエリア */
.button {
    text-align: center;
    margin: 40px 0 0;
    padding-top: 30px;
    border-top: 1px solid #e8ecf1;
}

/* 送信ボタン */
.btn_send {
    background: linear-gradient(135deg, #EA7317 0%, #d96410 100%);
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    padding: 16px 60px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(234, 115, 23, 0.25);
    letter-spacing: 1px;
}

.btn_send:hover {
    background: linear-gradient(135deg, #d96410 0%, #c55a0e 100%);
    box-shadow: 0 6px 16px rgba(234, 115, 23, 0.35);
    transform: translateY(-2px);
}

.btn_send:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(234, 115, 23, 0.3);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .contents_m {
        padding: 30px 24px;
    }

    h2 {
        font-size: 22px;
        margin-bottom: 30px;
    }

    .form_table th,
    .form_table td {
        display: block;
        width: 100%;
        padding: 16px 20px;
        border: none;
    }

    .form_table th {
        border-bottom: 1px solid #e8ecf1;
        border-radius: 6px 6px 0 0;
    }

    .form_table td {
        border-radius: 0 0 6px 6px;
    }

    input[type="text"] {
        max-width: 100%;
    }

    .btn_send {
        width: 100%;
        max-width: 300px;
    }
}

/* clearfix */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}