body#about #conWrap {
    padding-top: 12rem;
}
@media screen and (max-width: 768px) {
body#about #conWrap {
    padding-top: 12rem;
}
}


/* #challenge
----------------------------------------- */
#challenge .inner {
}
#challenge .page_ttl {
    padding-top: 6rem;
    padding-bottom: 12rem;
}
#challenge .page_ttl .ttl {
    font-size: 2.4rem;
    line-height: 1;
    letter-spacing: 0.06em;
    font-weight: 700;
}
#challenge .page_ttl h1 {
    font-size: 4rem;
    line-height: calc(45/40);
    letter-spacing: 0.05em;
    font-weight: 700;
    margin-top: 5rem;
}
#challenge .page_ttl .lead {
    font-size: 2.4rem;
    line-height: calc(32/24);
    letter-spacing: 0.05em;
    font-weight: 700;
    margin-top: 1.5rem;
}
#challenge .page_ttl .txt {
    font-size: 1.8rem;
    line-height: calc(42 / 18);
    letter-spacing: 0.05em;
    margin-top: 5rem;
}

#challenge .open_call {
    background-color: #FFFFFF;
    width: 100%;
    
}
#challenge .open_call .inner {
    padding-top: 10rem;
    padding-bottom: 10rem;
}
#challenge .open_call .ttl {
    font-size: 2.5rem;
    line-height: calc(29/25);
    letter-spacing: 0.05em;
    font-weight: 700;
}
#challenge .open_call .inner > .txt {
    margin-top: 3rem;
}
#challenge .open_call .inner > .txt a {
    text-decoration: underline;
}
#challenge .open_call .btn_list {
    margin-top: 8rem;
    display: flex;
    flex-wrap: wrap;
    gap: 3rem 6rem;
}
#challenge .open_call .btn_list .btn_wrap .btn {
    width: 38.5rem;
    justify-content: flex-start;
}
#challenge .open_call .closed {
    margin-top: 5rem;
}
#challenge .open_call .closed span {
    font-size: 2.1rem;
    line-height: calc(29/21);
    letter-spacing: 0.05em;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 0.5em;
}


#challenge .adopted {
    width: 100%;
}
#challenge .adopted .inner {
    padding-top: 14rem;
    padding-bottom: 6rem;
}
#challenge .adopted .ttl {
    font-size: 2.5rem;
    line-height: calc(29/25);
    letter-spacing: 0.05em;
    font-weight: 700;
}

#challenge .adopted .research_list {
    margin-top: 6rem;
    display: flex;
    flex-flow: column;
    flex-wrap: wrap;
    gap: 5rem 0;
}
#challenge .adopted .research_list .con {
    width: 100%;
    padding-bottom: 7rem;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #707070;
}
#challenge .adopted .research_list .con .img_wrap {
    width: calc(430/1080*100%);
}
#challenge .adopted .research_list .con .img_wrap img {
    border-radius: 1rem;
}
#challenge .adopted .research_list .con .txt_wrap {
    width: calc(620/1080*100%);
    padding-left: 8rem;
    position: relative;
}
#challenge .adopted .research_list .con .txt_wrap .count {
    position: absolute;
    top: -0.4em;
    left: 0;
    
    font-size: 2.8rem;
    font-weight: 400;
}
#challenge .adopted .research_list .con .txt_wrap .ttl {
    font-size: 1.8rem;
    line-height: calc(28/18);
    letter-spacing: 0.05em;
    font-weight: 700;
}
#challenge .adopted .research_list .con .txt_wrap > .txt {
    margin-top: 3rem;
}

#challenge .adopted .research_list .con .txt_wrap .btn_wrap {
    margin-top: 5rem;
    justify-content: flex-start;
}
#challenge .adopted .research_list .con .txt_wrap .btn_wrap .btn {
    width: 38.5rem;
    justify-content: flex-start;
}


@media screen and (max-width: 768px) {
#challenge .page_ttl {
    padding-top: 3rem;
    padding-bottom: 8rem;
}
#challenge .page_ttl > h1 {
    margin-top: 3rem;
}
#challenge .page_ttl .txt {
    margin-top: 3rem;
}

#challenge .open_call .inner {
    padding-top: 5rem;
    padding-bottom: 5rem;
}
#challenge .open_call .inner > .txt {
    margin-top: 2rem;
}
#challenge .open_call .btn_list {
    margin-top: 4rem;
    flex-flow: column;
    align-items: flex-start;
    gap: 2rem 3rem;
}
#challenge .open_call .btn_list .btn_wrap .btn {
    width: 28.5rem;
    justify-content: flex-start;
}
#challenge .open_call .closed {
    margin-top: 4rem;
}


#challenge .adopted .inner {
    padding-top: 8rem;
    padding-bottom: 6rem;
}

#challenge .adopted .research_list {
    margin-top: 4rem;
    gap: 3rem 0;
}
#challenge .adopted .research_list .con {
    padding-bottom: 4rem;
    flex-flow: column;
    gap: 4rem 0;
}
#challenge .adopted .research_list .con .img_wrap {
    width: 100%;
}
#challenge .adopted .research_list .con .txt_wrap {
    width: 100%;
    padding-left: 6rem;
}
#challenge .adopted .research_list .con .txt_wrap > .txt {
    margin-top: 2rem;
}

#challenge .adopted .research_list .con .txt_wrap .btn_wrap {
    margin-top: 3rem;
}
#challenge .adopted .research_list .con .txt_wrap .btn_wrap .btn {
    width: 22.5rem;
}
}