/head>

  <body>
    <!-- 주문서 영역 -->
    <div class="wrapper">
      <div class="box_section" style="padding: 40px 30px 50px 30px; margin-top: 30px; margin-bottom: 50px">
        <h1>일반 결제</h1>
        <!-- 결제 UI -->
        <div id="payment-method" style="display: flex">
          <button id="CARD" class="button2" onclick="selectPaymentMethod('CARD')">카드</button>
          <button id="TRANSFER" class="button2" onclick="selectPaymentMethod('TRANSFER')">계좌이체</button>
       