.top_business {
}

.top_business_title-block{
    position: absolute;
    bottom: 0;
    left: 0%;
    top: auto;
    transform: translate(0%, 0%);
    width: 100%;
    background: rgba(255, 255, 255, 0.7);
    font-weight: bold;
    max-width: 235px;
    box-shadow: 10px 15px 10px rgb(0 0 0 / 20%);
    z-index: 1;
    width: 100%;
    padding: 0 10px;
    min-height: 60px;
    border-bottom: 1px solid #004197;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}
.top_business_title-block h3{
    position: relative;
    margin-left: 0;
    line-height: 1;
}
.top_business_title-block h3 a{
    text-align: left;
    font-size: 16px;
    color: #003274;
    letter-spacing: 0;
}
.top_business_title-block::before {
    width: 20px;
    height: 9px;
    position: absolute;
    border: 0px;
    transform: rotate(0deg);
    left: auto;
    right: 6px;
    content: "";
    top: 50%;
    transform: translate(0%, -50%);
    background: url(../image/common/icon_arr_b.png) no-repeat 50% 50%;
    background-size: cover;
}

.top_business .col{
    position: relative;
    overflow: hidden;
    width: calc(25% - 15px);
    margin-left: 20px;
    margin-top: 20px;
    cursor: pointer;
}
.top_business .col .caption {
    font-size: 14px;
    color: #fff;
    padding-top: 20px;
    padding-left: 20px;
}
.top_business .col .new_mask {
    z-index: 0;
    width: 100%;
    height: 100%;
    position: absolute;
    bottom: -100%;
    left: 0;
    top:			0;
	opacity:		0;	/* マスクを表示しない */
    background-color: rgba(0, 65, 151, 0.8);
    -webkit-transition: all 0.2s ease;
    transition: all 0.2s ease;
}
.top_business .col:hover .new_mask {
	opacity: 1;	/* マスクを表示する */
}

.top_business .col:hover h3:before {
    background-image: url(../image/common/icon_arr_b.png);
    right: 8px;
}
.top_business .col figure:hover{
    transition: all 0.4s ease;
    transform: scale(1.1);
}

@media only screen and (max-width: 979px){
    .top_business .col {
        width: calc(33.33% - 13.3px);
    }
  }

@media only screen and (max-width: 979px){
    .top_business .col {
        margin-left: 10px;
    }
        .top_business .col {
            width: calc(50% - 10px);
        }

        .top_business .col:nth-child(2n-1) {
            margin-left: 10px;
        }
        
        .top_business .col:nth-child(3n-2) {
          margin-left: 10px;
      }

    .top_business .col .mask {
        display: none;
    }

    .top_business_link {
        display: inherit !important;
    }
}

@media only screen and (max-width: 690px){
    .top_business .col {
        width: calc(50% - 5px);
        margin-left: 10px;
        margin-top: 10px;
    }

    .top_business .col {
        margin-left: 5px;
    }

    .top_business .col:nth-child(2n-1) {
        margin-left: 10px;
    }

    .top_business .col:nth-child(1n-0) {
        margin-left: 1%;
        width: 49%;
    }

    .top_business_title {
        font-size: 17px;
    }

    .top_business_title-block h3 a {
        font-size: 10px;
    }

    .top_business_title-block{
        min-height: 40px;
    }

    .sp-br{
        display: block;
    }

    .top_business .col .caption {
        font-size: 10px;
        padding-top: 10px;
        padding-left: 10px;
    }
}


@media screen and (max-width: 980px){
    .main_area .main_txt {
        padding: 15vh 20px 10vh;
    }

}