.ttl {
    margin-bottom: 0 !important;
}
.l-main {
    background: #f1f1f1;
}
.index-list {
    padding: 0 20px !important;
    margin: 0 auto;
}
.index-list .l-wrapper {
    max-width: 1600px;
    padding: 0 !important;
}
.index-list ul {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    flex-wrap: wrap;
}
.index-list li {
    width: 20%;
    margin-bottom: 20px;
}
.index-list li .info {
    width: 97%;
    height: auto;
    margin: 0 auto;
    position: relative;
}
.index-list li .info .desc {
    width: 100%;
    text-align: center;
    padding: 20px 0;
    font-size: 16px;
    line-height: 2.5;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.index-list li:hover .info .desc {
    position: relative;
    z-index: 13;
    color: #fff;
}
.index-list li:hover .info:before {
    content: '';
    display: block;
    background: rgba(0,0,0,0.5);
    position: absolute;
    left: 0;
    top: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
}


@media all and (max-width: 1366px) {

}
@media all and (max-width: 1023px) {
    .index-list li:hover .info .desc {
        padding: 10px 0;
        line-height: 1.5;
        font-size: 14px;
    }
}
@media all and (max-width: 850px) {
    .index-list li .info .desc {
        font-size: 12px;
    }
}
@media all and (max-width: 767px) {
    .index-list {
        padding: 10px !important;
    }
    .index-list ul {
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        flex-wrap: wrap;
        padding: 10px;
        background: #fff;
    }
    .index-list ul li:last-child {
        margin-bottom: 0;
    }
    .index-list li {
        width: 100%;
        margin-bottom: 10px;
    }
    .index-list li .info {
        width: 100%;
        display: flex;
        flex-direction: row;
    }
    .index-list li .info .desc {
        font-size: 11px;
    }
}