@import url('https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@400;800&display=swap');

html {
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    transition: .3s;
}

a:hover {
    text-decoration: none !important;
    opacity: 0.6;
}

img{
    width: 100%;
}

.sp {
    display: none !;
}
.pc {
    display: block ;
}
@media only screen and (max-width: 767px) {
    .sp {
        display: block ;
        }
    .pc {
        display: none ;
    }
}

#contents * {
    box-sizing: border-box;
}

#contents{
    font-family: "M PLUS Rounded 1c", sans-serif;
    font-weight: 800;
    font-style: normal;
    line-height: 1.6;
}

/*---------main---------*/
.main{
    width: 100%;
    margin: 0 auto;
    color: #790000;
}

.kv{
    width:100%;
    background-image: repeating-linear-gradient(245deg, #fff195, #fff195 20px, #fff195b3 20px, #fff195b3 48px);
    border-bottom-left-radius: 50% 25%;
    border-bottom-right-radius: 50% 25%;
}
.kv h1{
    max-width: 1000px;
    width: 95%;
    margin: 0 auto;
    padding:30px 0 60px;
}
.inner{
    max-width: 850px;
    width: 90%;
    margin:0 auto;
}
p.read{
    text-align: center;
    font-size: clamp(1rem, 0.409rem + 2.95vw, 2.625rem);
    margin:50px auto;
}
p.read>span{
    display: block;
    margin: 5px 0 0;
    border-bottom: 5px solid #ff8c9d;
}
p.read>span span{
    font-size:clamp(1.875rem, 1.193rem + 3.41vw, 3.75rem);
}
@media only screen and (max-width: 767px) {
p.read {
    font-size: 5vw;
    margin: 30px auto;
    }
p.read>span {
    border-bottom: 3px solid #ff8c9d;
    letter-spacing: -0.3px;
    }
}

/*---------detail---------*/
.detail{
    text-align: center;
    max-width: 1220px;
    width: 100%;
    margin:0 auto;
    padding:0 0 100px;
    background: url('../img/bg_left.png'), url('../img/bg_right.png');
    background-repeat: no-repeat, no-repeat;
    background-position: left 300px, right 400px;
    background-size: 120px, 95px;
}
.detail h2{
    margin:0 0 30px;
}
.detail h2 .sub_copy{
    width:150px;
    display: block;
    margin:0 auto -30px;
}
.detail h2 .main_copy{
    max-width: 950px;
    width:90%;
}
.detail ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    row-gap: 15px;
}
.detail ul li {
    width: 49%;
}
.detail ul li:first-child{
    width:100%;
}
@media only screen and (max-width: 767px) {
    .detail {
        background: none;
        background-position: left 200px, right 300px;
        background-size: 60px, 50px;
    }
    .detail h2 .sub_copy {
        width: 120px;
        margin: 0 auto -20px;
    }
    .detail p.read {
        font-size: 4.4vw;
    }
}

/*---------stripe_bg---------*/
.stripe_bg{
    background-image: repeating-linear-gradient(245deg, #fff195, #fff195 20px, #fff195b3 20px, #fff195b3 48px);
    margin: 0 auto ;
    padding:100px 0;
}

/*---------howto---------*/
.howto{
    position: relative;
    max-width:1000px;
    width: 90%;
    margin: 0 auto;
    font-size: clamp(1rem, 0.682rem + 1.59vw, 1.875rem);
}
.howto h2{
    font-size: clamp(1.5rem, 1.136rem + 1.82vw, 2.5rem);
    text-align: center;
    font-weight: 800;
    color:#ff5a00;
}
.howto h2 img{
    width:100px;
    vertical-align: middle;
    margin:10px;
}
.howto .box_bg {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 100%;
    height: 100%;
    background: #ff5a00;
}
.howto .box_top {
    background: #fff;
    border:3px solid #ff5a00;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 50px 0 100px;
    position: relative;
    z-index: 2;
}
.howto dl {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 30px auto 0;
    width:75%;
}
.howto dl.step dt {
    width: calc(15% - 10px);
    color:#ff5a00;
}
.howto dl.step dd {
    width: calc(85% - 10px);
}
.howto dl.step dd span {
    font-size: clamp(1.375rem, 0.875rem + 2.5vw, 2.75rem);
    color:#ff8c9d;
    margin-top:-20px;
    display: inline-block;
}
.howto .read{
    color:#ff5a00;
    border-bottom: 3px solid #ff5a00;
    font-size: clamp(1.5rem, 1.136rem + 1.82vw, 2.5rem);
    margin: 50px auto 30px;
}
.howto dl.date {
    font-size: clamp(1.25rem, 1.114rem + 0.68vw, 1.625rem);
    margin: 0 auto 50px;
}
.howto dl.date dt {
    width: calc(28% - 10px);
}
.howto dl.date dd {
    width: calc(72% - 10px);
}
a.btn{
    width:80%;
    margin:0 auto;
    text-align: center;
    background: #ff5a00;
    color:#fff !important;
    border-radius: 100px;
    font-size: clamp(1.375rem, 0.875rem + 2.5vw, 2.75rem);
    padding:10px 0;
}

@media only screen and (max-width: 767px) {
    .howto .box_top {
        padding: 50px 0;
    }
    .howto h2 img {
        width: 70px;
    }
    .howto dl {
        margin: 20px auto 0 ;
        width: 85%;
        flex-direction: column;
        gap: 0px;
        font-size: 4.2vw;
    }
    .howto dl.step dd span {
        margin-top: -10px;
    }
    .howto dl dt,
    .howto dl dd {
        width: 100% !important;
    }
    .howto dl dd{
        margin-bottom:15px;
        letter-spacing: -0.3px;
    }
    .howto dl.date dt{
        font-size: 4.2vw;
    }
    .howto dl.date dd{
        font-size: 5vw;
    }
    a.btn {
        width: 85%;
        margin-top:-30px;
    }
    .howto .read {
        margin: 20px auto ;
    }
}

/*---------rules---------*/
#rules{
    margin: 100px auto 50px;
    text-align: center;
}

#rules h2{
    font-weight: 800;
    font-size: clamp(1.5rem, 1.136rem + 1.82vw, 2.5rem);
}

#rules .box{
    overflow-y: scroll;
    padding: 0 20px 20px;
    text-align: left;
    max-width:850px;
    width: 90%;
    height:350px;
    border:3px solid #ff5a00;
    background: #fff;
    border-radius: 10px;
    margin:10px auto 0;
    font-weight: normal ;
    font-family: sans-serif;
    overflow-wrap: break-word;
    word-break: break-word;
}

#rules .box li {
    margin: 30px 0 0 0;
    line-height: 1.6;
}

#rules .box a,
#rules .box h3,
#rules .box p {
    font-weight: normal;
    font-size: 16px;
    line-height: 150%;
    margin: 5px 0 0 0;
}

#rules .box a {
    color: #f32b00;
}

#rules .box h3 {
    font-weight: bold;
}

#rules ul li {
    font-size: 16px !important;
}

#rules ul.notes {
    margin: 10px 0 0 0;
}

#rules ul.notes li {
    padding-left: 1em;
    text-indent: -1em;
    margin: 5px 0 0 0;
}

#rules ul.dotlist li {
    padding-left: 1em;
    text-indent: -1em;
    margin: 10px 0 0 0;
}

#rules ul.steplist li {
    padding-left: 3.5em;
    text-indent: -3.5em;
    margin: 10px 0 0 0;
}

#rules ul.numberlist li {
    padding-left: 1.2em;
    text-indent: -1.2em;
    margin: 10px 0 0 0;
}

#rules ul.double_list li:nth-child(n+10) {
    padding-left: 1.9em;
    text-indent: -1.9em;
    margin-left: -0.6em;
}


/*---------page_top---------*/
#page_top {
    position: fixed;
    bottom: 30px;
    right: 20px;
    z-index: 500;
}
#page_top a {
    background: #fff;
    color: #ff5a00;
    border: #ff5a00 1px solid;
    text-align: center;
    text-decoration: none;
    padding: 15px 20px;
    border-radius: 50px;
}
#page_top a:hover {
    background-color: #ff5a00;
    color: #fff;
    transition: 0.4s;
}
@media only screen and (max-width: 767px) {
    #page_top {
        bottom: 20px;
        right: 10px;
    }
    #page_top a {
        padding: 10px;
        font-size: 13px;
    }
}