.c-seminar-list-section{padding-bottom:var(--sp-96);padding-top:var(--sp-48)}.c-seminar-list-section__empty{color:var(--c-text-sub);font-size:1rem;padding:var(--sp-48) 0;text-align:center}.c-seminar-filter{align-items:center;display:flex;flex-wrap:wrap;gap:var(--sp-8);margin-bottom:var(--sp-48)}.c-seminar-filter__btn{background:var(--c-bg);border:1px solid var(--c-border);border-radius:9999px;color:var(--c-text-sub);cursor:pointer;font-size:.8333rem;font-weight:600;line-height:1;padding:var(--sp-8) var(--sp-16);transition:background .2s,border-color .2s,color .2s}.c-seminar-filter__btn:hover{background:var(--c-bg-alt);color:var(--c-text)}.c-seminar-filter__btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}.c-seminar-filter__btn.is-active{background:var(--c-bg-dark);border-color:var(--c-bg-dark);color:var(--c-white)}.c-seminar-filter__btn--year{font-size:.7222rem;padding:var(--sp-4) var(--sp-12)}.c-seminar-filter__divider{background:var(--c-border);height:16px;margin:0 var(--sp-8);width:1px}.c-seminar-grid{display:grid;gap:var(--sp-32);grid-template-columns:repeat(3,minmax(0,1fr))}@media (max-width:960px){.c-seminar-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:600px){.c-seminar-grid{gap:var(--sp-24);grid-template-columns:1fr}}.c-seminar-card{--c-seminar-card-fade-duration:1s;--c-seminar-card-fade-easing:ease;animation:c-seminar-card-fade-in var(--c-seminar-card-fade-duration) var(--c-seminar-card-fade-easing) backwards;background:var(--c-bg);border:1px solid var(--c-border);border-radius:16px;display:flex;flex-direction:column;overflow:hidden;transition:box-shadow .2s,transform .2s,border-color .2s}.c-seminar-card:hover{border-color:var(--c-text-sub);box-shadow:0 2px 16px rgba(0,0,0,.06);transform:translateY(-2px)}.c-seminar-card[data-hidden=true]{display:none}@keyframes c-seminar-card-fade-in{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.c-seminar-card,.c-seminar-card__cta-arrow{animation:none;transition:none}.c-seminar-card:hover,.c-seminar-card:hover .c-seminar-card__cta-arrow{transform:none}}.c-seminar-card__link{color:inherit;display:flex;flex:1;flex-direction:column;height:100%;text-decoration:none}.c-seminar-card__link:hover{text-decoration:none}.c-seminar-card__thumb{position:relative;width:100%}.c-seminar-card__img{aspect-ratio:16/9;background:var(--c-placeholder);display:block;object-fit:cover;width:100%}.c-seminar-card__img--placeholder{align-items:center;color:var(--c-text-sub);display:flex;font-size:.8333rem;font-weight:700;justify-content:center;letter-spacing:.04em}.c-seminar-badge{border-radius:9999px;font-size:.7222rem;font-weight:700;left:var(--sp-12);letter-spacing:.04em;line-height:1;padding:var(--sp-8) var(--sp-12);position:absolute;top:var(--sp-12)}.c-seminar-badge--accepting{background:var(--c-badge-accepting);color:var(--c-white)}.c-seminar-badge--archive_available{background:var(--c-badge-archive);color:var(--c-white)}.c-seminar-badge--closed{background:var(--c-border);color:var(--c-text-sub)}.c-seminar-card__body{display:flex;flex:1;flex-direction:column;gap:var(--sp-12);padding:var(--sp-24)}.c-seminar-card__tags{display:flex;flex-wrap:wrap;gap:var(--sp-4);list-style:none;margin:0;padding:0}.c-seminar-card__tag{background:var(--c-bg-alt);border-radius:4px;color:var(--c-text-sub);font-size:.6875rem;font-weight:600;letter-spacing:.02em;line-height:1;padding:4px var(--sp-8)}.c-seminar-card__title{color:var(--c-text);display:-webkit-box;font-size:1rem;font-weight:700;-webkit-line-clamp:2;line-height:1.5;margin:var(--sp-12) 0 0;-webkit-box-orient:vertical;overflow:hidden}.c-seminar-card__learning{color:var(--c-text-sub);font-size:.8333rem;line-height:1.7;margin:var(--sp-12) 0 0}.c-seminar-card__learning ul{list-style:none;margin:0;padding:0}.c-seminar-card__learning li{padding-left:1.1em;position:relative}.c-seminar-card__learning li:before{color:var(--c-text-sub);content:"・";left:0;position:absolute}.c-seminar-card__learning li+li{margin-top:var(--sp-4)}.c-seminar-card__lead{color:var(--c-text-sub);font-size:.8333rem;line-height:1.7;margin:var(--sp-12) 0 0}.c-seminar-card__date{align-items:center;color:var(--c-text-sub);display:flex;font-size:.8333rem;gap:var(--sp-4);margin:var(--sp-16) 0 0}.c-seminar-card__date-icon{flex-shrink:0;stroke:currentColor}.c-seminar-card__cta{align-items:center;color:var(--c-text);display:inline-flex;font-size:.875rem;font-weight:700;gap:var(--sp-4);margin-top:auto;padding-top:var(--sp-8)}.c-seminar-card__cta-arrow{transition:transform .2s}.c-seminar-card:hover .c-seminar-card__cta-arrow{transform:translateX(4px)}