.tit_style10 {
 font-size: 24px;
 font-size: 2.4rem;
 position: relative;
 display: flex;
 flex-direction:column;
 margin: 0 0 30px;
}

.tit_style10:after {
 content: '';
 width: 40px;
 height: 4px;
 background: var(--main-color);
 margin: 10px 0 0;
}


@media (max-width : 810px){
.tit_style10 {
 font-size: 22px;
 font-size: 2.2rem;
}

.tit_style10:after {
 height: 3px;
}

 
}