.return_btn_w{
    background: #f0f0f0;
    padding: 10px 0;
    font-size: 1.2rem;
}
.return_btn_w .retern_btn{
    align-items: center;
}
.return_btn_w .retern_btn .ico{
    margin-right: 5px;
}
.return_btn_w .retern_btn .ico img{
    width: 30px;
}


#main {
    background: url(../images/drone_fv_pc_bg.jpg);
    padding: 61px 0;
    background-repeat: no-repeat;
    background-position: center;
}
@media screen and (min-width: 751px) and (max-width: 1024px) {
    #main {
        background: url(../images/drone_fv_tab_bg.jpg);
        background-size: cover;
        padding: 270px 0 40px;
        background-repeat: no-repeat;
        background-position: center;
    }
}
@media screen and (max-width: 750px) {
    #main {
        background: url(../images/drone_fv_sp_bg.jpg);
        background-size: cover;
        padding: 230px 0 40px;
        background-repeat: no-repeat;
        background-position: center;
    }
}


#worry .worry_top_h {
    background: url(../images/drone_worry_bg.jpg);
    background-position: center;
    background-repeat: no-repeat;
    padding: 80px 0;
    margin-bottom: 40px;
}
#worry .worry_top_h .txt {
    font-size: 2.4rem;
    font-weight: 600;
    margin-left: 30px;
}
@media screen and (min-width: 751px) and (max-width: 1024px) {
}
@media screen and (max-width: 750px) {
    #worry .worry_top_h {
        background: url(../images/drone_worry_bg_sp.png);
        background-size: cover;
        padding: 90px 0 20px;
    }
    #worry .worry_top_h .txt {
		font-size: 1.8rem;
		font-weight: 600;
		margin-left: 0;
		letter-spacing: 1px;
	}
}


#use_case{}
#use_case .drone_use_case_w{
    justify-content: space-between;
}
#use_case .drone_use_case_i{
    width: 23.5%;
}
#use_case .drone_use_case_i .imgarea{
    margin-bottom: 15px;
}
#use_case .drone_use_case_i .txt{
    font-size: 1.8rem;
    text-align: center;
    line-height: 1.25;
}
#use_case .drone_use_case_b{
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    position: relative;
    align-items: center;
    margin-top: 40px;
}
#use_case .drone_use_case_b:before {
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-right: 20px solid transparent;
    border-left: 20px solid transparent;
    border-top: 15px solid var(--color-white);
    border-bottom: 0;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%);
}
#use_case .drone_use_case_b .ico{
    margin-right: 20px;
}
#use_case .drone_use_case_b .ico img{
    height: 56px;
    width: auto;
}
#use_case .drone_use_case_b .txt{
    font-size: 1.6rem;
    gap: 10px;
}
#use_case .drone_use_case_b .txt span{}
@media screen and (min-width: 751px) and (max-width: 1024px) {
    #use_case .drone_use_case_w{
        flex-wrap: wrap;
    }
}
@media screen and (max-width: 750px) {
    #use_case .drone_use_case_w{
        gap: 13px;
    }
    #use_case .drone_use_case_i{
        width: 48%;
    }
    #use_case .drone_use_case_i .imgarea {
        margin-bottom: 10px;
    }
    #use_case .drone_use_case_i .txt{
        line-height: 1.25;
        font-size: 1.6rem;
    }
    #use_case .drone_use_case_b{
        padding-top: 30px;
    }
    #use_case .drone_use_case_b .txt{
        font-size: 1.4rem;
    }
    #use_case .drone_use_case_b .txt{
        flex-direction: column;
        gap: 0px;
    }
}


#reason .sec_ttl_w{
    margin-bottom: 15px;
}
#reason .lead_txt{
    text-align: center;
    font-size: 1.6rem;
    margin-bottom: 40px;
}
#reason .reason_list_w{
    padding-top: 0;
    justify-content: center;
    gap: 60px;
}
@media screen and (min-width: 751px) and (max-width: 1024px) {
    #reason .reason_list_w{
            gap: 30px;
    }
}
@media screen and (max-width: 750px) {
    #reason .reason_list_w{
        gap: 0;
    }
}


#flow .flow_w::before {
    content: "";
    height: 1px;
    width: 70%;
    background: var(--color-dark-blue);
    position: absolute;
    left: 50%;
    top: 30px;
    transform: translate(-50%, 0);
}
#flow .flow_w .flow_i{
    width: 18%;
}
@media screen and (max-width: 750px) {
    #flow .flow_w .flow_i{
        width: 100%;
    }
    #flow .flow_w::before {
        content: "";
        height: 85%;
        width: 1px;
        background: var(--color-dark-blue);
        position: absolute;
        left: 30px;
        top: 30px;
        transform: translate(-50%, 0);
    }
}


.other_service{
    padding: 40px 0;
}
.other_service .other_service_w{
    align-items: center;
    margin-bottom: 20px;
    justify-content: center;
}
.other_service .other_service_w .ico{
    margin-right: 15px;
}
.other_service .other_service_w .ico img{
    height: 75px;
    width: auto;
}
.other_service .other_service_w .txt{
    font-size: 2.0rem;
    font-weight: 600;
    border-bottom: 1px solid var(--color-dark-blue);
    padding-bottom: 5px;
}
.other_service .btn_w{
    text-align: center;
}
.other_service .btn_w a{
    margin: auto;
}
@media screen and (max-width: 750px) {}


.drone_b{
    background: url(../images/drone_b_bg.jpg);
    background-position: center;
    background-repeat: no-repeat;
    padding: 55px 0;
}
.drone_b .txtarea h3 {
    font-size: 3.2rem;
    margin-bottom: 20px;
}
@media screen and (max-width: 750px) {
    .drone_b{
        background: url(../images/drone_b_bg_sp.jpg);
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
        padding: 140px 0 30px;
    }
    .drone_b .txtarea h3 {
        font-size: 2.5rem;
        margin-bottom: 5px;
    }
}