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var(--line);border-radius:18px;color:#315264;text-align:center;line-height:1.6;white-space:normal}.detail-section{display:flex;flex-direction:column;gap:.625rem}.detail-section-title{text-align:center;color:var(--primary-dark);font-weight:900}.detail-actions{display:flex;flex-direction:column;gap:.625rem}.detail-actions-outside{width:100%;flex:0 0 auto}.detail-admin-actions{display:grid;grid-template-columns:1fr 1fr;gap:.625rem}.full{width:100%}.empty-state{padding:36px;color:var(--text-muted);text-align:center;font-weight:800}.empty-state.wide{grid-column:1 / -1}.empty-state.compact{padding:18px}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%) translateY(16px);visibility:hidden;opacity:0;z-index:2000;min-width:240px;max-width:min(520px,90vw);padding:14px 20px;border-radius:999px;background:#f7fcfff5;color:var(--primary-dark);border:1px solid var(--line-strong);text-align:center;font-weight:900;box-shadow:0 14px 36px #185a782e;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:.22s ease}.toast.show{visibility:visible;opacity:1;transform:translate(-50%) translateY(0)}.mobile-swipe-hint{display:none}@media(max-width:900px){body{overflow:hidden;background:#f3fbff}.pc-only,.pc-calendar,.memo-card{display:none}.topbar{width:100%;height:66px;padding:calc(14px + env(safe-area-inset-top)) 18px 10px;grid-template-columns:1fr auto 1fr;align-items:center}.brand{font-size:2rem}.account-actions .ghost-btn{min-width:44px;width:44px;padding:0}.account-actions span{display:none}.shell{width:100%;height:calc(100dvh - 66px);aspect-ratio:auto;margin:0}.songbook-mode .shell{width:100%;height:calc(100dvh - 66px);aspect-ratio:auto}.panel{border:0;border-radius:0;box-shadow:none;background:transparent;padding:0}.songbook-mode .panel{padding:0}.panel:before{display:none}.toolbar{display:none}.calendar-layout{display:block;width:100%;height:100%}.mobile-list{height:100%;display:flex;flex-direction:column;gap:12px;padding:14px 16px 92px;overflow:hidden;will-change:transform,opacity}.mobile-list.slide-next{animation:mobileSlideNext .28s ease}.mobile-list.slide-prev{animation:mobileSlidePrev .28s ease}.mobile-card{flex:1;min-height:0;padding:14px;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:0 8px 24px #1a5b7814;display:flex;flex-direction:column;gap:10px}.mobile-card.today{border:2px solid var(--primary)}.mobile-date-row{display:flex;align-items:center;justify-content:space-between}.mobile-date-row strong{font-size:1.28rem}.mobile-date-row span{margin-left:6px;color:var(--text-muted);font-weight:800}.mobile-date-row em{padding:4px 10px;border-radius:999px;background:var(--primary);color:#fff;font-style:normal;font-size:.75rem;font-weight:900}.mobile-events{flex:1;min-height:0;display:flex;flex-direction:column;gap:8px;overflow-y:auto}.mobile-event{flex-shrink:0}@keyframes mobileSlideNext{0%{opacity:.2;transform:translate(1.5rem)}to{opacity:1;transform:translate(0)}}@keyframes mobileSlidePrev{0%{opacity:.2;transform:translate(-1.5rem)}to{opacity:1;transform:translate(0)}}.mobile-nav{position:fixed;left:50%;bottom:10px;z-index:500;width:min(420px,94vw);height:68px;transform:translate(-50%);display:flex;align-items:center;justify-content:space-around;border:1px solid var(--line);border-radius:999px;background:#fffffff0;box-shadow:0 12px 34px #17526c29}.mobile-nav-btn{flex:1;height:100%;border:0;background:transparent;color:var(--text-muted);font-size:1.5rem}.mobile-nav-btn.active{color:var(--primary-dark)}.mobile-swipe-hint{position:fixed;left:50%;top:50%;z-index:850;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;min-width:11.5rem;min-height:7rem;padding:1rem 1.25rem;border-radius:1.5rem;background:#f7fcffad;border:1px solid rgba(155,215,237,.64);color:var(--primary-dark);font-weight:900;box-shadow:0 1rem 2.75rem #185a781f;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%,-50%) scale(.96);transition:opacity .22s ease,visibility .22s ease,transform .22s ease}.mobile-swipe-hint.show{opacity:1;visibility:visible;transform:translate(-50%,-50%) scale(1)}.swipe-hand{color:var(--primary-dark);font-size:2.25rem;line-height:1;animation:swipeHandMove 1.05s ease-in-out infinite}@keyframes swipeHandMove{0%,to{transform:translate(-.5rem)}50%{transform:translate(.5rem)}}.songbook-layout{display:flex;flex-direction:column;gap:0;height:100%}.song-sidebar{position:fixed;top:0;left:0;z-index:920;width:min(22rem,86vw);height:100dvh;display:flex;flex-direction:column;padding:calc(3.75rem + env(safe-area-inset-top)) 1.25rem calc(1.375rem + env(safe-area-inset-bottom));overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;background:#fffffffa;border:1px solid var(--line);border-left:0;border-radius:0 1.75rem 1.75rem 0;box-shadow:1rem 0 2.75rem #17526c33;transform:translate(calc(-100% - 1.5rem));transition:transform .28s ease;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}.song-filter-open .song-sidebar{transform:translate(0)}.song-filter-close{position:absolute;top:calc(1rem + env(safe-area-inset-top));right:1rem;width:2.5rem;height:2.5rem;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:50%;background:#f7fcff;color:var(--text-muted)}.song-filter-backdrop{position:fixed;inset:0;z-index:900;display:block;border:0;background:#12273147;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .24s ease,visibility .24s ease}.song-filter-open .song-filter-backdrop{opacity:1;visibility:visible;pointer-events:auto}.mobile-notice-break{display:block;margin-top:.25rem}.song-content{width:100%;height:100%;aspect-ratio:auto;border:0;border-radius:0;background:transparent;padding:14px 16px 92px}.songbook-mode .song-content{padding:14px 16px 92px}.song-actions{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:.625rem}.song-actions .primary-btn{grid-column:1 / -1;width:100%}.song-filter-toggle{width:3rem;min-height:3rem;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:50%;background:#f7fcff;color:var(--primary-dark);box-shadow:0 .5rem 1.25rem #185a7814}.song-list{display:flex;flex-direction:column;gap:8px;padding-right:0;padding-bottom:4px}.songbook-mode .song-list{display:flex;flex-direction:column;gap:8px;padding-right:0}.song-item{align-items:flex-start}.song-icon{display:none}.genre-list{max-width:42%}.modal-overlay{padding:12px;align-items:flex-end}.modal-card{width:100%;max-height:90dvh;border-radius:22px}.detail-modal-stack{width:100%;max-height:90dvh}.detail-card{max-height:calc(90dvh - 6.25rem)}.editor-card{padding:20px}.editor-grid{grid-template-columns:1fr;gap:18px}.editor-column+.editor-column{border-left:0;padding-left:0}.editor-options,.editor-footer{align-items:stretch;flex-direction:column}.footer-actions{width:100%}.footer-actions>button,.danger-btn{flex:1}}