/*ボタン*/
.btn-area{
    padding-top: 1em;
    padding-bottom: 1em;
}
.btn{
    display: inline-block;
    width: 100%;
    padding:1em 2em;
    border: 5px solid black;
    text-decoration: none;
    position: relative;
}
.btn .arrow{
    width: 3em;
    position: absolute;
    top: 50%;
    right: 1em;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
}

/*吹き出し*/
.appeal .title{
    position: relative;
    display: inline-block;
    margin: 1.5em 0;
    padding: 1em 2em;
    min-width: 120px;
    max-width: 100%;
    color: #000;
    background: #fff;
    border: 5px solid #000;
}
.appeal .title::before{
    content: "";
    position: absolute;
    top: -30px;
    left: 50%;
    margin-left: -15px;
    border: 15px solid transparent;
    border-bottom: 15px solid #000;
}