.box_15 {
	background: #F2F2F2;
	padding: 1.5em;
	}
.box_15_ttl {
	border-left: solid 4px #585858;
	padding-left: 15px;
	color: #585858;
	font-weight: bold;
	font-size: 1.2em;
	margin-bottom: 10px;
	}
.box_15_txt {
	margin-top: 10px;
	}

.box_15 a {
    text-decoration: underline;
}

.button019 a {
    background: #151515;
    border-radius: 3px;
    position: relative;
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 0 auto;
    max-width: 310px;
    padding: 10px 25px;
    color: #FFFFFF;
    transition: 0.3s ease-in-out;
    font-weight: 500;
}
.button019 a:after {
  content: "";
  position: absolute;
  top: 50%;
  bottom: 0;
  right: 2rem;
  font-size: 90%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: right 0.3s;
  width: 6px;
  height: 6px;
  border-top: solid 2px currentColor;
  border-right: solid 2px currentColor;
  transform: translateY(-50%) rotate(45deg);
}
.button019 a:hover {
  background: #E6E6E6;
  color: #151515;
}
.button019 a:hover:after {
  right: 1.4rem;
}