@charset "utf-8";
/* CSS Document */
#headerlink {
    cursor: default;
}
#howto_close {
    width: 90px;
    height: 32px;
    border: none;
    position: absolute;
    top: calc(50% - 15px);
    right: calc(50% - 450px);
    z-index: 1002;
    outline: none;
    filter: drop-shadow(2px 2px 2px rgba(0, 0, 0, 0.4));
}
#howto_close img {
    width: 100%;
}
footer ol.logoline li.co_operation img.kougaku {
    margin-right: 20px;
}
#howto_back {
    color: #141871;
    font-weight: 700;
    font-size: 16px;
    position: absolute;
    top: 100px;
    left: 20px;
    background: #fff;
    padding: 10px 18px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
#howto_back::before {
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 8px 12px 8px 0;
    border-color: transparent #009dc8 transparent transparent;
    display: block;
    margin-right: 5px;
}
/*index -------------------------------*/
#index {
    background: #fff;
    width: 100%;
    max-width: 1000px;
    margin: auto;
    min-height: calc(100vh - 204px);
    padding: 90px 20px 50px;
}
#index section {
    max-width: 1000px;
    margin: auto;
    padding-top: 0;
    text-align: center;
}
#index section h1 {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: 30px;
    position: relative;
    color: #0c2666;
    font-size: 38px;
    font-weight: 900;
    text-align: center;
    line-height: 1.4;
    margin: 10px 0 30px;
}

#index section h1::before {
    content: '';
    width: 120px;
    height: 100px;
    background: url(/2025/images/howto/title_before.svg) no-repeat;
    background-size: contain;
    position: absolute;
    left: 20%;
    top: calc(50% - 50px);
}
#index section h1::after {
    content: '';
    width: 100px;
    height: 100px;
    background: url(/2025/images/howto/title_after.svg) no-repeat;
    background-size: contain;
    position: absolute;
    top: calc(50% - 50px);
    right: 22%;
}
#index section h2 {
    text-align: center;
    color: #141871;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
}
#index a.link_zoomappset {
    display: block;
    max-width: 370px;
    width: 90%;
    margin: 50px auto;
    text-align: center;
    font-size: 14px;
    color: #fff;
    font-weight: 700;
    background: #141871;
    padding: 15px;
    border-radius: 50px;
    line-height: 1.4;
    position: relative;
}
#index a.link_zoomappset::after {
    content: '';
    width: 20px;
    height: 20px;
    display: block;
    border-bottom: solid 2px #fff;
    border-right: solid 2px #fff;
    transform: rotate(-45deg);
    position: absolute;
    right: 30px;
    top: calc(50% - 10px);
}
#index section nav {
    width: 100%;
    margin: 60px 0 40px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}
#index section nav a {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 170px;
    height: 170px;
    background: #009dc8;
    margin: 0 20px 20px;
    border-radius: 10px;
    color: #fff;
    padding: 10px;
    box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.3);
}
#index section nav a.nonactive {
    background: #999;
}
#index section nav a::before {
    content: '';
    width: 68%;
    height: 55%;
    display: block;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    margin-bottom: 15px;
}
#index section nav a#htj_online::before {
    background-image: url(/2025/images/howto/naviicon_online.svg);
}
#index section nav a#htj_live::before {
    background-image: url(/2025/images/howto/naviicon_live.svg);
}
#index section nav a#htj_labo::before {
    background-image: url(/2025/images/howto/naviicon_labo.svg);
}
#index section nav a#htj_manabi::before {
    background-image: url(/2025/images/howto/naviicon_manabi.svg);
}
#index section nav a span {
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    display: block;
    width: 100%;
}
div.caution{
    width:80%;
    margin: 0 auto 40px;
    padding: 0 10px;
}
div.caution h4{
    text-align:
    center;
    font-weight:700;
    font-size: 18px;
    color: #141871;
    margin-bottom: 0.5em;
}
div.caution p{
    text-align:
    justify;
    line-height:1.6;
    font-size: 16px;
    color:#141871;
    font-weight:500;
}

a.zoom_info{
    display: inline-block;
    text-align:center;
    margin: 0 0 50px;
    color:#06bff1;
    font-size:20px;
    font-weight:700;
    text-decoration:underline;
}
/*bnr*/
#pc_bnr {
    background: rgb(230 245 210);
    padding: 20px 20px;
    min-height: 100px;
}
#bnr nav {
    width: 100%;
    max-width: 1000px;
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
}
#bnr nav a:nth-child(odd) {
    margin-right: 4%;
}
#bnr nav a {
    display: block;
    width: 48%;
    margin: 20px 0;
}
#bnr nav a img {
    width: 100%;
}
#sp_bnr{
    display:none;
}
@media screen and (min-width: 640px) {
    #howto_close:hover {
        opacity: 0.8;
    }
    #index section nav a:not(.nonactive):hover {
        opacity: 0.7;
    }
}
@media screen and (max-width: 1000px) {
    #index section h1 {
        font-size: 3.8vw;
        margin: 3.7vw 0 3vw;
    }
    #index section h1::before {
        width: 12vw;
        height: 10vw;
        top: calc(50% - 5vw);
    }
    #index section h1::after {
        width: 10vw;
        height: 10vw;
        top: calc(50% - 5vw);
    }
    
    #howto_close {
        right: 1vw;
        width: 9vw;
        height: 3vw;
        top: calc(50% - 1.5vw);
    }
    #index section nav a {
        width: 17vw;
        height: 17vw;
        margin: 0 2vw;
        border-radius: 2.5vw;
        padding: 1vw;
    }
    #index section nav a span {
        font-size: 1.4vw;
    }
}
@media screen and (max-width: 640px) {
    #howto_back {
        top: 16vw;
        left: 4vw;
        font-size: 4vw;
        padding:2vw 4vw;
    }
    #howto_back::before {
        border-width: 2vw 3vw 2vw 0;
        margin-right: 1vw;
    }
    #index {
        min-height: unset;
        padding: 16vw 4vw 0;
    }
    #index section {
        padding-top: 14vw;
    }
    #index section h1 {
        font-size: 6vw;
        margin: 0 0 3vw;
    }
    #index section h1::before {
        width: 19vw;
        height: 16vw;
        left:0;
        top: 18%;
    }
    #index section h1::after {
        width: 18vw;
        height: 18vw;
        right:0;
        top: 8%;
    }
    #index section h2 {
        font-size: 3.2vw;
    }
    #index a.link_zoomappset {
        max-width: unset;
        width: 90%;
        margin: 8vw auto;
        font-size:3.2vw;
        padding: 3vw;
    }
    #index a.link_zoomappset::after {
        width: 4vw;
        height:4vw;
        right: 6vw;
        top: calc(50% - 2vw);
    }
    #index section nav {
        margin: 6vw 0 6vw;
        justify-content: space-between;
        padding: 0 4vw;
    }
    #index section nav a{
        width: 38vw;
        height: 38vw;
        margin: 0 0 8vw;
    }
    #index section nav a span {
        font-size: 3.2vw;
    }
    div.caution{
        width:100%;
        margin: 0 auto 10vw;
        padding: 0 4vw;
    }
    div.caution h4{
        font-size: 4vw;
    }
    div.caution p{
        font-size: 3.2vw;
    }
    a.zoom_info{
        margin: 0 0 10vw;
        font-size:4vw;
    }

    /*bnr*/
    #pc_bnr {
        display: none;
    }
    #sp_bnr {
        display: block;
        width: 100%;
        z-index: 1000;
        padding: 0;
        margin-bottom: 0;
        position: sticky;
        bottom: 14vw;
        z-index: 400;
    }
    #sp_bnr a img {
        width: 100%;
    }
    body.bnr footer {
        padding-bottom: 10vw;
    }
    #sp_bnr #bnr_close {
        width: 6vw;
        height: 6vw;
        display: block;
        background: #666;
        border-radius: 50%;
        position: absolute;
        top: -22vw;
        right: 0;
        border: solid 1px #fff;
        z-index: 1001;
    }
    #sp_bnr #bnr_close::before, #sp_bnr #bnr_close::after {
        content: '';
        width: 2px;
        height: 100%;
        display: block;
        background: #fff;
        position: absolute;
        top: 0;
        left: calc(50% - 1px);
        transform: rotate(45deg);
    }
    #sp_bnr #bnr_close::after {
        transform: rotate(-45deg);
    }
    body.bnr #pagetop{
        bottom:40vw;
    }
}