.hotel-yoyaku-box {
    border: 2px solid #da4033;
    border-radius: 4px;
    margin: 2em 0;
    padding: 2em;
    position: relative;
}
.hotel-yoyaku-box::before {
    background-color: #fff;
    color: #da4033;
    content: "予約サイトのリンク";
    font-weight: bold;
    left: 1em;
    padding: 0 .5em;
    position: absolute;
    top: -1em;
}

/*ホテル情報のボックス*/
.box28 {
    position: relative;
    margin: 2em 0;
    padding: 25px 10px 7px;
    border: solid 2px #FFC107;
}
.box28 .box-title {
    position: absolute;
    display: inline-block;
    top: -2px;
    left: -2px;
    padding: 0 9px;
    height: 25px;
    line-height: 25px;
    vertical-align: middle;
    font-size: 17px;
    background: #FFC107;
    color: #ffffff;
    font-weight: bold;
}
.box28 p {
    margin: 0; 
    padding: 0;
}