.bjt-user{position:relative}button.bjt-user-trigger{color:#24180f;max-width:16rem;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:999px;align-items:center;gap:.45rem;padding:.25rem .55rem .25rem .25rem;display:inline-flex}button.bjt-user-trigger:focus-visible,.bjt-menu [role=menuitem]:focus-visible{outline-offset:2px;outline:2px solid #6b3a12}.bjt-user-label{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.bjt-avatar{object-fit:cover;background:#eadccb;border-radius:50%;flex:0 0 2rem;width:2rem;height:2rem}.bjt-avatar-fallback{color:#6b3a12;place-items:center;font-weight:650;display:grid}.bjt-menu{z-index:40;background:#fff;border:1px solid #eadfd2;border-radius:.9rem;width:min(18rem,100vw - 1.5rem);padding:.4rem;position:absolute;top:calc(100% + .45rem);right:0;box-shadow:0 12px 32px #24180f1f}.bjt-menu-id{align-items:center;gap:.7rem;padding:.55rem .65rem .7rem;display:flex}.bjt-menu-id strong,.bjt-menu-id span{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.bjt-menu-id span,.bjt-menu-error{color:#7a6556;font-size:.85rem}.bjt-menu [role=menuitem]{color:#24180f;width:100%;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-top:1px solid #f0e6da;border-radius:.55rem;justify-content:space-between;align-items:center;gap:.5rem;padding:.7rem .65rem;text-decoration:none;display:flex}.bjt-menu [role=menuitem]:hover{background:#f7f2ea}.bjt-menu-error{margin:.2rem .65rem .4rem}@media (width<=640px){.bjt-user-compact .bjt-user-label{display:none}}:root{color:#24180f;background:#f7f2ea;font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,Avenir Next,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{max-width:100%;margin:0}body{overflow-x:hidden}button,input{font:inherit}button{color:#6b3a12;cursor:pointer;background:#fff;border:0;border-radius:999px;padding:.55rem .8rem}.learner{min-height:100dvh}.page{width:min(100%,40rem);padding:1rem 1rem calc(5.6rem + env(safe-area-inset-bottom));margin:0 auto}.learner.has-mini .page{padding-bottom:calc(9.4rem + env(safe-area-inset-bottom))}.topbar,.player-head{justify-content:space-between;align-items:center;gap:.8rem;display:flex}.brand{color:#6b3a12;align-items:center;gap:.45rem;margin:0;font-weight:750;display:flex}.brand img{border-radius:.55rem;width:2.25rem;height:2.25rem}h1{margin:.15rem 0 .8rem;font-size:clamp(1.5rem,6vw,2rem);line-height:1.25}h2{font-size:1.05rem}a{color:#6b3a12}.button,a.button{color:#fff;background:#6b3a12;border-radius:999px;justify-content:center;align-items:center;min-height:48px;padding:.7rem 1rem;text-decoration:none;display:inline-flex}.error{color:#8a2b2b}.continue-card,.install-card,.sentence-card,.scene-card{background:#fff;border-radius:1rem;padding:1rem}.continue-card h2,.install-card p,.scene-card span,.scene-card em{margin:.25rem 0}.eyebrow{color:#8a6a52;margin:0;font-size:.8rem}.meter{background:#f0e6da;border-radius:999px;height:.35rem;margin:.7rem 0;overflow:hidden}.meter span{background:#6b3a12;height:100%;display:block}.install-card{justify-content:space-between;gap:.8rem;margin:.8rem 0;display:flex}.install-card p{color:#5c4636;margin:.2rem 0 0}.install-actions{align-items:center;gap:.4rem;display:flex}.scene-grid{grid-template-columns:1fr 1fr;gap:.7rem;display:grid}.scene-card{min-height:8.5rem;color:inherit;flex-direction:column;gap:.25rem;text-decoration:none;display:flex}.scene-mark{color:#6b3a12;background:#f3e6d6;border-radius:.7rem;place-items:center;width:2rem;height:2rem;font-weight:700;display:grid}.scene-card em{color:#8a6a52;font-size:.85rem;font-style:normal}.listen-page{flex-direction:column;min-height:100dvh;display:flex}.player-head p{color:#8a6a52;margin:0}.sentence-card{min-height:12rem;margin:.8rem 0 1rem}.text-toggles,.choice-row{flex-wrap:wrap;gap:.4rem;display:flex}.ruby-line{overflow-wrap:anywhere;font-size:clamp(1.55rem,7vw,2.15rem);line-height:2.35;display:block}.ruby-line rt{font-size:.42em}.meaning{font-size:1.05rem;line-height:1.5}.quiet{color:#b3a496}.transport{justify-content:center;align-items:center;gap:1rem;margin-top:auto;display:flex}.step-button,.play-main{min-width:48px;min-height:48px}.play-main{color:#fff;background:#6b3a12;border-radius:50%;width:4.6rem;height:4.6rem;font-weight:700}.progress-block{margin:1rem 0}.scrub{accent-color:#6b3a12;width:100%}.text-button{background:0 0}.sheet-backdrop{z-index:30;background:#24180f59;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet{width:min(100%,40rem);max-height:min(75dvh,36rem);padding:1rem 1rem calc(1rem + env(safe-area-inset-bottom));background:#fff;border-radius:1.2rem 1.2rem 0 0;overflow:auto}.sheet-head{justify-content:space-between;align-items:center;display:flex}.choice{border:0;margin:.8rem 0;padding:0}.choice legend{margin-bottom:.35rem}.choice button,.text-toggles button{min-height:44px}.choice button[aria-pressed=true]{color:#fff;background:#6b3a12}.playlist{margin:0;padding:0;list-style:none}.playlist button{text-align:left;border-radius:.8rem;gap:.15rem;width:100%;margin-bottom:.35rem;display:grid}.playlist .current{background:#f3e6d6}.playlist small{color:#5c4636}.tabbar,.mini-player{z-index:20;background:#fff;justify-content:center;display:flex;position:fixed;left:0;right:0}.tabbar{padding-bottom:env(safe-area-inset-bottom);border-top:1px solid #eadfd2;grid-template-columns:repeat(4,minmax(0,10rem));justify-content:center;display:grid;bottom:0}.tabbar a{color:#8a6a52;place-items:center;min-height:48px;text-decoration:none;display:grid}.tabbar a.active{color:#6b3a12;font-weight:750}.mini-player{bottom:calc(3.2rem + env(safe-area-inset-bottom));border-top:1px solid #eadfd2;align-items:center;gap:.5rem;padding:.35rem .8rem}.mini-title{text-align:left;background:0 0;flex:1;min-width:0}.mini-title span{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.mini-play{width:48px;height:48px}@media (width<=360px){.scene-grid{grid-template-columns:1fr}.page{padding-left:.75rem;padding-right:.75rem}}