body#seminar .pagetitle{background-image:url("../images/seminar/pagetitle_bg.jpg")}body#seminar .pagetitle::before{-webkit-mask-image:url("../images/icon_seminar.svg");mask-image:url("../images/icon_seminar.svg")}@media(max-width: 640px){body#seminar .section .subject{flex-direction:column;align-items:stretch;gap:1.0416666667vw}}@media(max-width: 640px){body#seminar .section .subject p{flex-direction:column;text-align:right}body#seminar .section .subject p::before{width:100%;height:1px;background-color:var(--key10)}}body#seminar .section .nav{display:flex;justify-content:center;gap:2.5rem}@media(max-width: 640px){body#seminar .section .nav{flex-direction:column;gap:4.1666666667vw}}body#seminar .section .nav .btn{position:relative;z-index:1;display:flex;justify-content:center;align-items:center;width:calc((100% - 5rem)/3);padding:1.875rem;border:1px solid var(--key20);font-size:1.125rem;text-align:center;text-decoration:none;line-height:1.5}@media(max-width: 640px){body#seminar .section .nav .btn{width:100%;padding:6.25vw;font-size:3.75vw}}body#seminar .section .nav .btn::before{content:"";position:absolute;top:0;left:0;z-index:-1;width:100%;height:100%;background-color:var(--key10);transform:scale(0);transition:transform .5s cubic-bezier(0.2, 1, 0.2, 1)}body#seminar .section .nav .btn.export::after{content:"";position:absolute;right:.625rem;bottom:.625rem;width:1.25rem;aspect-ratio:1/1;background-color:var(--bk40);-webkit-mask:url("../images/icon_export.svg") no-repeat 50% 50%;mask:url("../images/icon_export.svg") no-repeat 50% 50%;-webkit-mask-size:contain;mask-size:contain;transition:all .5s cubic-bezier(0.2, 1, 0.2, 1)}@media(max-width: 640px){body#seminar .section .nav .btn.export::after{right:2.0833333333vw;bottom:2.0833333333vw;width:4.1666666667vw}}@media(any-hover: hover){body#seminar .section .nav .btn.export:hover{font-weight:700}body#seminar .section .nav .btn.export:hover::before{transform:scale(1)}body#seminar .section .nav .btn.export:hover::after{background-color:var(--shu);transform:scale(1.2)}}body#seminar .section .nav .btn.disabled{pointer-events:none;border-color:var(--bk10);color:var(--bk20);background-color:var(--bk10)}body#seminar .section .nav .btn.disabled.export::after{background-color:var(--bk20)}body#seminar .section .closed{padding:2.5rem 0;background-color:var(--bk10)}@media(max-width: 640px){body#seminar .section .closed{padding:8.3333333333vw 0}}body#seminar .section .closed p{color:var(--bk50);font-size:1rem;text-align:center}@media(max-width: 640px){body#seminar .section .closed p{font-size:3.3333333333vw}}