.txt {font-family: 'Source Sans Pro', sans-serif;font-size:17px;color:#9797a6;}
.txt_w {font-family: 'Source Sans Pro', sans-serif;font-size:17px;color:#ffffff;}
.txt_r {font-family: 'Source Sans Pro', sans-serif;font-size:17px;color:#c02c45;}
.txt_title {font-family: 'Source Sans Pro', sans-serif;font-size:21px;color:#9797a6;}
.txt_title_w {font-family: 'Source Sans Pro', sans-serif;font-size:21px;color:#ffffff;}
.txt_title_r {font-family: 'Source Sans Pro', sans-serif;font-size:21px;color:#c02c45;}
.txt_preface {font-family: 'Source Sans Pro', sans-serif;font-size:34px;color:#9797a6;}
.txt_preface_w {font-family: 'Source Sans Pro', sans-serif;font-size:34px;color:#ffffff;}
.txt_preface_r {font-family: 'Source Sans Pro', sans-serif;font-size:34px;color:#c02c45;}

.btn_w {display:inline-block;background-color:white;color:black;margin-top:10px;line-height:18px;padding-top:8px;padding-bottom:0px;padding-left:10px;padding-right:10px;border-radius:3px;text-decoration:none;}
.btn_w::after {content: '';display: block;width: 0;height: 3px;background: #c02c45;transition: width .3s;margin-bottom:5px;}
.btn_w:hover::after {width: 100%;}