郵便番号※半角数字・ハイフン無し
住所
<div class="form_post_number1">
<p>郵便番号<span>※半角数字・ハイフン無し</span></p>
<input type="text" name="post_number" onKeyUp="AjaxZip3.zip2addr(this,'','addr11','addr11');">
<p>住所</p>
<input type="text" name="addr11">
<script src="https://ajaxzip3.github.io/ajaxzip3.js" charset="UTF-8"></script>
</div>
.form_post_number1{
width: 80%;
text-align: left;
margin-left: auto;
margin-right: auto;
padding: 2rem;
border: 1px solid #ccc;
}
.form_post_number1 span{
font-size: 0.7rem;
margin-left: 0.5rem;
}
.form_post_number1 input{
display: block;
width: 100%;
height: 2rem;
outline: none;
margin-bottom: 1rem;
border: 1px solid #ccc;
}