@charset "UTF-8";
h1 span {
    background: linear-gradient(transparent 60%, #FFE46F 60%)
  }

.sec--blue {
    background: #e6f4ff;
    padding: 56px 20px 72px;
}

.contest-title {
    max-width: 960px;
    margin: 0 auto 32px;
}

.contest-title .date {
    margin: 0;
    padding: 0;
}

.sec--blue .sec__cont {
    box-sizing: border-box;
    background: #fff;
    border-radius: 20px;
    padding: 28px 40px 32px;
    box-shadow: 0 8px 20px rgba(76, 132, 170, 0.12);
}

.sec--blue .sec__cont > h2:first-child {
    margin-top: 0;
}

h1{
    color: #3A414D;
    font-size: 32px;
    font-weight: bold;
    text-align: center;
    margin: 5% 0
    ;
}

h2{
    color:#3A414D;
    font-size: 24px;
    font-weight: bold;
    margin: 60px 0 20px;
    border-left: solid 10px rgb(17, 165, 228);
    padding-left: 20px;
  
}
h3{
    color: #5B88D1;
    font-size: 24px;
    font-weight: bold;
    margin: 50px 0 20px;
    border-bottom: solid 2px #5B88D1 ;
    padding: 5px;

}
h4{
    color: rgb(17, 165, 228);
    font-size: 16px;
    font-weight: bold;

}

p{
    color: #3A414D;
    font-size: 16px;
    padding: 0 10px;
}
.small{
    color: #3A414D;
    font-size: 12px;
}
a{
    color:#5B88D1 ;
}

.sec__cont > b {
    color: rgb(17, 165, 228);
    font-size: 16px;
    font-weight: bold;
    display: block;
    margin-top: 24px;
}

.anchor-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    margin: 0 10px 24px;
}

.anchor-nav a {
    color:#3A414D;
    font-size: 15px;
    font-weight: bold;
    line-height: 1.4;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.sec__cont > img {
    display: block;
    width: calc(100% - 20px);
    max-width: 940px;
    height: auto;
    margin: 12px 10px 0;
}


.date{
    text-align: right;
}
.close{
    color: #3A414D;
    font-size: 16px;
    font-weight: bold;
    margin: 60px 0 20px;
}
.close_hr{
    margin-top: 50px;
}
.border_area{
    border: solid 2px  rgb(17, 165, 228) ;
    display: block;
    padding: 10px 30px;
    border-radius: 5px;
    margin-bottom: 50px;
  }
mark{
    background-color:rgba(255, 255, 0, 0.5);
}
.bookmark img{
    max-width: 300px;
    margin: 20px auto 50px;
   display: block;
   ;
}
.bookmark{
    width: 80%;
    display: block;
    margin: 0 auto;
}

@media only screen and (max-width: 768px) {
    .sec--blue {
        padding: 36px 15px 48px;
    }

    .contest-title {
        margin-bottom: 24px;
    }

    .sec--blue .sec__cont {
        border-radius: 14px;
        padding: 20px 0 24px;
    }

    h1 {
        font-size: 24px;
        line-height: 1.5;
        margin: 10% 0;
        padding: 0 15px;
    }

    h2 {
        font-size: 20px;
        line-height: 1.5;
        margin: 40px 15px 16px;
        padding-left: 12px;
        border-left-width: 6px;
    }

    p {
        font-size: 15px;
        padding: 0 15px;
    }

    .sec__cont > b {
        margin: 24px 15px 0;
        font-size: 15px;
    }

    .anchor-nav {
        gap: 8px;
        margin: 0 15px 24px;
    }

    .anchor-nav a {
        font-size: 14px;
    }

    .sec__cont > img {
        width: calc(100% - 30px);
        margin: 12px 15px 0;
    }
}