article.qa_block {
    width: 1000px;
    margin: 0 auto 46px;
    padding: 12px 0 0;
    position: relative;
    
}

article.qa_block h2 {
    width: 1000px;
    background: #fff;
    border: 1px solid #D6D6D6;
    padding: 21px 80px 20px 130px;
    margin-bottom: 26px;    
    font-family: 'Roboto Condensed';    
    font-size: 2.2rem;
    font-weight: bold;
    display: flex;
    align-items: center;
}
article.qa_block h2 .no {
    width: 67px;
    background: #003162;
    padding: 9px 0 12px;
    font-size: 6.0rem;
    font-weight: 700;
    font-family: 'Roboto Condensed', sans-serif;
    color: #fff;
    line-height: 1;
    text-align: center;
    display: block;
    position: absolute;
    top: 0;
    left: 10px;    
}

/*アコーディオンで現れるエリア*/
article.qa_block .box {
    display: none;/*はじめは非表示*/
    margin: 0;
}

#top article.qa_block .box {
    display: block;
    margin: 0;
}

article.qa_block .box h3 {
    width: 67px;    
    padding: 9px 0 12px;
    margin-right: 52px;  
    margin-left: 10px;
    font-family: 'Roboto Condensed';
    font-size: 6.0rem;
    font-weight: bold;
    color: #003162;
    line-height: 1;
    display: inline-block;
    vertical-align: top;  
    text-align: center;
    
}
article.qa_block .box .txt {
    display: inline-block;
    line-height: 2;
    width: 85%;
    font-size: 2.2rem;
}

/*アコーディオンタイトル*/
article.qa_block .title {
    cursor: pointer;
    font-weight: normal;
    transition: all .5s ease;
}

/*アイコンの＋と×*/
article.qa_block .title::before,
article.qa_block .title::after{
    padding: 16px;    
    position: absolute;
    content:'';
    width: 48px;
    height: 48px;
    right: 5px;
    border-radius: 50px;     
    
}
article.qa_block .title::before{
    background: url(../img/icon_open.png)no-repeat center;  
}

/*　closeというクラスがついたら形状変化　*/
article.qa_block .title.close::before{
    background: url(../img/icon_close.png)no-repeat center;  
}

@media screen and (max-width:768px){
    article.qa_block{
        width: 100%;
        margin: 4% 0;
        padding: 3% 0 1px;
    }    
    article.qa_block h2{
        width: 100%;
        margin-bottom: 10px;
        padding: 10px 60px 10px 72px;      
        font-size: 1.8rem;
    }
    article.qa_block h2 .no{
        font-size: 4rem;
        width: 50px; 
    }
    article.qa_block .title::before, article.qa_block .title::after{
        width: 20px;
        height: 20px;
        right: 10px;
        padding: 10px    
    }
    article.qa_block .box h3{
        width: 50px;
        font-size: 4rem; 
        margin-right: 10px;    
    }
    
    form.contact-form{width: 90%;}
    
    article.qa_block .box .txt {
        width: 76%;
        font-size: 2rem;
        display: inline-block;    
    }
}