@charset "UTF-8";
:root{
    --color-one: #014EA2;
    --color-two: #FDD000;
    --color-three: #E60112;
}
html, body {
  margin: 0;
  padding: 0;
}
/* ▼▼ sponsor ▼▼ */
#sponsor{
    padding-bottom: 150px;
}

#sponsor .top{
    background-image: url('../images/sponsor_bg.jpg');
}

#sponsor .heading .japanese{
    display: inline-block;
    font-size: 30px;
    border-bottom: 1px solid #fff;
}

#sponsor section[id$="-partner"] {
    max-width: 886px;
    margin-top: 170px;
}
#sponsor section[id$="-partner"] + section[id$="-partner"] {
    margin-top: 140px;
}
#sponsor .banner-list{
    display: flex;
    flex-wrap: wrap;
    margin-top: 68px;
}
#sponsor #top-partner .banner-list,
#sponsor #platinum-partner .banner-list{
    max-width: 709px;
    margin-inline: auto;
    justify-content: center;
    gap: 30px;
}
#sponsor #gold-partner .banner-list{
    gap: 30px 60px;
}
#sponsor #silver-partner .banner-list,
#sponsor #supplier-partner .banner-list{
    gap: 30px;
}
#sponsor #top-partner .banner-list .banner-item,
#sponsor #platinum-partner .banner-list .banner-item,
#sponsor #gold-partner .banner-list .banner-item{
    max-width: 413px;
    width: 100%;
}
#sponsor #silver-partner .banner-list .banner-item{
    max-width: 275px;
    width: 100%;
}
#sponsor #supplier-partner .banner-list .banner-item{
    max-width: 199px;
    width: 100%;
}

@media (max-width: 768px) {
    #sponsor{
        padding-bottom: 20vw;
    }

    #sponsor .top{
        background-image: url('../images/sp_sponsor_bg.jpg');
    }

    #sponsor .heading .japanese{
        font-size: 30px;
        font-size: clamp(21px, 1.452vw, 30px);
    }

    #sponsor section[id$="-partner"] {
        width: 90%;
        margin-top: 9.5vw;
    }
    #sponsor section[id$="-partner"] + section[id$="-partner"] {
        margin-top: 12vw;
    }
    #sponsor .banner-list{
        margin-top: 7vw;
    }
    #sponsor #gold-partner .banner-list,
    #sponsor #silver-partner .banner-list,
    #sponsor #supplier-partner .banner-list{
        flex-wrap: wrap;
        justify-content: center;
    }
    #sponsor #gold-partner .banner-list,
    #sponsor #silver-partner .banner-list{
        gap: 28px;
    }
    #sponsor #supplier-partner .banner-list{
        gap: 15px;
    }
    #sponsor #supplier-partner .banner-list .banner-item{
        max-width: none;
        width: calc((100% - (28px * 1)) / 2);
    }
    #sponsor #supplier-partner .banner-list .banner-item img{
        margin: 0 auto;
    }
}

/* ------------------------------------------------------------------------ */
 
/*  partnership
 
/* ------------------------------------------------------------------------ */


#partnership{
    max-width: 1145px;
    margin-top: 200px;
    text-align: center;
    color: var(--header-bgcolor);
}
#partnership .partnership-content{
    position: relative;
    background-color: #D1AE15;
    padding: 10px;
}
#partnership .partnership-content::before{
    position: absolute;
    top: 0;
    left: 0;
    content: "";
    background: url("../images/img_partnership_bg_01.png") no-repeat center center / contain;
    width: 530px;
    height: auto;
    aspect-ratio: 530 / 131;
    z-index: 0;
}
#partnership .partnership-content::after{
    position: absolute;
    bottom: 0;
    right: 0;
    content: "";
    background: url("../images/img_partnership_bg_02.png") no-repeat center center / contain;
    width: 356px;
    height: auto;
    aspect-ratio: 356 / 120;
    z-index: 0;
}
#partnership .partnership-content-inner{
    position: relative;
    border: 1px solid var(--header-bgcolor);
    z-index: 1;
    padding: 50px 10px 57px;
}

#partnership .partnership-content-ttl span{
    font-size: 22px;
    letter-spacing: 0.09em;
}
#partnership .partnership-content-ttl p{
    font-size: 30px;
    margin-top: 9px;
    letter-spacing: 0.03em;
}
#partnership .partnership-content-text{
    font-size: 17px;
    font-weight: 600;
    line-height: calc(30 / 17);
    margin-top: 38px;
}
#partnership .btn{
    background-color: var(--header-bgcolor);
    color: #fff;
    max-width: 360px;
    width: 100%;
    height: 73px;
    margin-inline: auto;
    clip-path: var(--button-design);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    margin-top: 26px;
    text-decoration: none;
}

#partnership .btn-content-el{
    font-size: 25px;
    letter-spacing: 0.1em;
}

#partnership .btn-content-jp{
    font-size: 12px;
}

@media (max-width: 768px) {
    #partnership{
        margin-top: 69px;
    }
    #partnership .partnership-content::before{
       background: url("../images/img_partnership_bg_01_sp.png") no-repeat center center / contain;
        width: 223px;
        aspect-ratio: 447 / 111;
    }
    #partnership .partnership-content::after{
        background: url("../images/img_partnership_bg_02_sp.png") no-repeat center center / contain;
        width: 155px;
        aspect-ratio: 300 / 101;
    }
    #partnership .partnership-content-inner{
        padding: 11px 10px 26px;
    }
    #partnership .partnership-content-ttl span{
        font-size: 11px;
        line-height: 1;
    }
    #partnership .partnership-content-ttl p{
        margin-top: 0;
        font-size: 20px;
    }
    #partnership .partnership-content-text{
        font-size: 11.5px;
        margin-top: 12px;
        line-height: calc(43 / 23);
    }
    #partnership .btn-content-el{
        font-size: 16px;
    }
    #partnership .btn-content-jp{
        font-size: 7.5px;
    }
    #partnership .btn {
        max-width: 190px;
        margin-top: 30px;
        height: 48px;
    }
}
/* ▲▲ sponsor ▲▲ */