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rotate(-45deg)}.header__mobile-menu{position:absolute;top:100%;left:0;right:0;background-color:var(--color-bg);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-md);max-height:0;overflow:hidden;transition:max-height .3s ease-in-out,opacity .2s ease;opacity:0;pointer-events:none}.header__mobile-menu.active{max-height:500px;opacity:1;pointer-events:auto}.header__nav--mobile{display:flex;flex-direction:column;padding:var(--spacing-4) var(--spacing-6)}.header__nav--mobile .header__nav-link{display:block;padding:var(--spacing-4) 0;font-size:var(--font-size-lg);border-bottom:1px solid var(--color-bg-subtle);transition:color var(--transition-fast)}.header__nav--mobile .header__nav-link:last-child{border-bottom:none}.header__auth-group{margin-top:var(--spacing-4);display:flex;flex-direction:column;gap:var(--spacing-3);padding-top:var(--spacing-4);border-top:2px solid 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var(--transition-fast)}.section-link:hover{color:var(--color-accent-orange)}.notices-list{display:flex;flex-direction:column;gap:var(--spacing-4)}.notice-item__content{padding:var(--spacing-6);display:flex;justify-content:space-between;align-items:flex-start;gap:var(--spacing-4)}.notice-item__title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text);margin-bottom:var(--spacing-2)}.notice-item__preview{font-size:var(--font-size-sm);color:var(--color-subtext);line-height:var(--line-height-relaxed)}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:var(--spacing-6);width:100%;box-sizing:border-box}.gallery-item__image{aspect-ratio:1;overflow:hidden;background-color:var(--color-bg-subtle);position:relative}.gallery-item__image img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}.gallery-item:hover .gallery-item__image 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0}.gallery-search{display:flex;gap:var(--spacing-3);flex:1;min-width:300px;position:relative}.gallery-filter{display:flex;background-color:var(--color-bg-subtle);padding:4px;border-radius:var(--radius-lg);gap:0}.gallery-filter button{border:none;background:transparent;border-radius:var(--radius-md);padding:var(--spacing-2) var(--spacing-4);font-size:var(--font-size-sm);font-weight:600;color:var(--color-subtext);transition:all .2s ease}.gallery-filter button.button--primary{background-color:var(--color-bg-primary);color:var(--color-text-primary);box-shadow:0 1px 3px #0000001a}.gallery-filter button:hover:not(.button--primary){color:var(--color-text-primary);background-color:#0000000d}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--spacing-6);animation:fadeIn .5s ease-out;width:100%;box-sizing:border-box}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.gallery-card{display:block;text-decoration:none;color:inherit;height:100%}.gallery-card>div{height:100%;display:flex;flex-direction:column;transition:transform .3s cubic-bezier(.34,1.56,.64,1),box-shadow .3s ease;border:1px solid var(--color-border);overflow:hidden;border-radius:var(--radius-lg)}.gallery-card:hover>div{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}.gallery-card__image{aspect-ratio:1;overflow:hidden;background-color:var(--color-bg-subtle);position:relative}.gallery-card__image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.gallery-card:hover .gallery-card__image img{transform:scale(1.08)}.gallery-card__content{padding:var(--spacing-4);flex:1;display:flex;flex-direction:column;background-color:var(--color-bg-primary)}.gallery-card__title{font-size:var(--font-size-lg);font-weight:700;margin-bottom:var(--spacing-1);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--color-text-primary)}.gallery-card__artist{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-bottom:var(--spacing-4)}.gallery-card__meta{display:flex;justify-content:space-between;align-items:center;font-size:var(--font-size-xs);color:var(--color-subtext);margin-top:auto;padding-top:var(--spacing-3);border-top:1px solid var(--color-border-subtle)}.status-badge{padding:2px 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var(--spacing-4);margin-bottom:var(--spacing-6)}.gallery-search{min-width:100%}.gallery-filter{width:100%;justify-content:center;margin-top:var(--spacing-1)}.gallery-filter button{flex:1;justify-content:center;padding:var(--spacing-2) 0}.gallery-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-3);padding:0 var(--spacing-4)}.gallery-card__content{padding:var(--spacing-3)}.gallery-card__title{font-size:var(--font-size-md)}.gallery-card__artist{margin-bottom:var(--spacing-2);font-size:11px}.gallery-card__meta{padding-top:var(--spacing-2)}}@media(max-width:360px){.gallery-grid{grid-template-columns:1fr;gap:var(--spacing-4)}}.gallery-detail{padding:var(--spacing-8) 0}.gallery-detail__back{margin-bottom:var(--spacing-6);padding-left:0}.gallery-detail__content{display:grid;grid-template-columns:1fr 400px;gap:var(--spacing-8);align-items:start}.gallery-detail__image-wrapper{position:sticky;top:calc(64px + var(--spacing-4))}.gallery-detail__image{width:100%;height:auto;display:block}.video-container{position:relative;width:100%;cursor:pointer;background-color:#000;border-radius:var(--radius-lg);overflow:hidden}.video-poster{position:relative;line-height:0}.play-button-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;justify-content:center;align-items:center;background-color:#0003;transition:background-color .3s}.video-poster:hover .play-button-overlay{background-color:#0006}.play-button-icon{width:80px;height:80px;background-color:#ffffffe6;border-radius:50%;display:flex;justify-content:center;align-items:center;box-shadow:0 4px 15px #0000004d;transition:transform .2s}.video-poster:hover .play-button-icon{transform:scale(1.1)}.video-loader-overlay{aspect-ratio:16 / 9;display:flex;justify-content:center;align-items:center;background-color:#000;width:100%}.play-button-icon:after{content:"";display:block;width:0;height:0;border-style:solid;border-width:15px 0 15px 25px;border-color:transparent transparent transparent var(--color-primary-blue);margin-left:5px}.gallery-detail__info-content{padding:var(--spacing-6)}.gallery-detail__title{font-size:var(--font-size-3xl);margin-bottom:var(--spacing-6)}.gallery-detail__meta{display:flex;flex-direction:column;gap:var(--spacing-3);padding-bottom:var(--spacing-6);border-bottom:1px solid var(--color-border);margin-bottom:var(--spacing-6)}.meta-item{display:flex;justify-content:space-between;align-items:center}.meta-label{font-size:var(--font-size-sm);color:var(--color-subtext);font-weight:var(--font-weight-medium)}.meta-value{font-size:var(--font-size-base);color:var(--color-text)}.gallery-detail__description{margin-bottom:var(--spacing-6);padding-bottom:var(--spacing-6);border-bottom:1px solid var(--color-border)}.gallery-detail__description h3{font-size:var(--font-size-lg);margin-bottom:var(--spacing-3)}.gallery-detail__description p{color:var(--color-text-light);line-height:var(--line-height-relaxed);white-space:pre-wrap}.gallery-detail__actions{margin-bottom:var(--spacing-6)}.gallery-detail__stats{display:flex;gap:var(--spacing-6);padding-top:var(--spacing-6);border-top:1px solid var(--color-border)}.stat-item{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-2)}.stat-value{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-primary-blue)}.stat-label{font-size:var(--font-size-sm);color:var(--color-subtext)}@media(max-width:1024px){.gallery-detail__content{grid-template-columns:1fr}.gallery-detail__image-wrapper{position:static}}.notice-list-page{padding:var(--spacing-8) 0}.notice-list-page__header{text-align:center;margin-bottom:var(--spacing-10)}.notice-list-page__header h1{font-size:var(--font-size-4xl);margin-bottom:var(--spacing-3)}.notice-list-page__header p{color:var(--color-subtext);font-size:var(--font-size-lg)}.notice-list{max-width:900px;margin:0 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