@charset "UTF-8";
/* ====================================================
topics
==================================================== */

.topics-list ul {
display: flex;
justify-content: space-between;
flex-wrap: wrap;
}

.topics-list ul li{
width: 32%;
margin-bottom: 20px;
}

.topics-head {
text-align: center;
margin-bottom: 60px;
}

.oc-sec {
background: #eaeff4;
padding: 80px 0;
}

.oc-inr {
width: 85%;
max-width: 1200px;
margin: 0 auto;
}

.oc-head {
text-align: center;
font-family: 'Barlow', sans-serif;
font-size: 60px;
font-size: 6.0rem;
color: #131131;
font-weight: bold;
letter-spacing: 0.05em;
margin-bottom: 10px;
}

.oc-txt {
text-align: center;
font-size: 16px;
font-size: 1.6rem;
margin-bottom: 30px;
font-weight: bold;
}

.oc-date {
width: 80%;
max-width: 1000px;
margin: 0 auto;
}
.oc-date .year {
font-size: 48px;
font-size: 4.8rem;
}
.oc-date .year strong {
font-family: 'Barlow', sans-serif;
font-size: 60px;
font-size: 6.0rem;
}

.oc-date .year small {
font-size: 24px;
font-size: 2.4rem;
margin-left: 30px;
font-weight: bold;
vertical-align: middle;
}

.oc-date .date {
font-size: 36px;
font-size: 3.6rem;
margin-bottom: 30px;
}

.oc-date .date span {
display: inline-block;
margin-right: 15px;
}

.oc-date .date span:last-child{
margin-right: 0;
}

.oc-date .date span::after {
content: "/";
font-size: 36px;
font-size: 3.6rem;
}

.oc-date .date span:last-child::after{
content: inherit;
}

.oc-date .date span strong {
font-family: 'Barlow', sans-serif;
font-size: 60px;
font-size: 6.0rem;
}

.oc-bnr {
margin-bottom: 30px;
}


.oc-date .btn-comp01 {
font-size: 24px;
font-size: 2.4rem;
padding: 30px 60px;
margin: 0 auto;
max-width: 1000px;
font-weight: normal;
}

.oc-date .btn-comp01 span {
font-weight: normal;
}

@media screen and (max-width: 1280px) {
.oc-date .date {
font-size: 28px;
font-size: 2.8rem;
}
.oc-date .date span strong {
font-size: 50px;
font-size: 5.0rem;
}


}


@media screen and (max-width: 1030px) {
.oc-date {
    width: 100%;
}
}

@media screen and (max-width: 900px) {

.topics-list ul li {
width: 49%;
}
.topics-head {
    margin-bottom: 30px;
}

.oc-inr {
    width: 90%;
}
.oc-head {
    font-size: 40px;
    font-size: 4.0rem;
}
.oc-date .year strong {
    font-size: 30px;
    font-size: 3.0rem;
}
.oc-date .year {
    font-size: 26px;
    font-size: 2.6rem;
}
.oc-date .year small {
    font-size: 20px;
    font-size: 2.0rem;
    margin-left: 10px;
}

.oc-date .date {
font-size: 18px;
font-size: 1.8rem;
}
.oc-date .date span strong {
font-size: 30px;
font-size: 3.0rem;
}
.oc-date .date span::after {
font-size: 18px;
font-size: 1.8rem;
}

.oc-sec {
    background: #eaeff4;
    padding: 40px 0;
}

.oc-date .btn-comp01 {
    font-size: 20px;
    font-size: 2.0rem;
    padding: 10px 0px;

}
.oc-date .btn-comp01 span {
    font-weight: bold;
}
}