/* 放課後の黒板：ふたりの板書と、学ランの金ボタン。 */
.topbar{grid-template-columns:1fr auto;grid-template-areas:"brand pref" "nav nav";gap:6px 16px}
.brand{grid-area:brand}.preferences{grid-area:pref}.play-nav{grid-area:nav;justify-content:flex-start;padding:8px 0}
.slot-tabs{display:grid;grid-template-columns:repeat(5,minmax(44px,1fr));gap:8px;border-bottom:2px solid var(--line);padding-bottom:14px}
.slot-tabs button{width:100%;min-width:44px}
.sequence-list .sequence-card{background-image:repeating-linear-gradient(transparent 0 33px,var(--rule) 33px 34px)}
.sequence-card.is-active .sequence-title{text-decoration:underline wavy;text-underline-offset:5px}
.tool-picker{overscroll-behavior:contain}
.talk-sides{display:grid;gap:18px;margin-block:20px;align-items:start}
.talk-side{min-width:0;border-top:5px double var(--line)}
.talk-side.is-turn{border-color:var(--accent)}
.talk-current{font-family:var(--display);font-size:19px;color:var(--accent);padding:14px 0}
.talk-toggle{display:flex;align-items:center;gap:10px;min-height:44px;font-size:14px}
.talk-toggle input{width:24px;height:24px;margin:10px;accent-color:var(--accent)}
.talk-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-height:360px;overflow:auto;padding:4px;overscroll-behavior:contain}
.talk-card{min-height:64px;overflow-wrap:anywhere;white-space:normal;font-family:var(--display);font-size:17px}
/* 非当番も文字のコントラストを保つ。状態は枠と「次の人」の表示で伝える。 */
.talk-card[aria-disabled=true]{border-style:dashed;background:var(--soft);color:var(--muted)}
.talk-log{margin-top:28px;min-width:0}
.talk-bubbles{list-style:none;margin:18px 0;padding:20px 16px;display:flex;flex-direction:column;gap:24px;background:var(--board) url('dust.svg');background-size:240px;border:6px solid var(--wood);box-shadow:inset 0 0 0 1px var(--board-line)}
.talk-bubbles:empty{display:none}
.talk-bubble{--ink:var(--board-ink);--muted:var(--board-muted);--accent:var(--board-accent);--on-accent:#1f2814;--line:var(--board-line);--chalk:var(--board-accent);max-width:90%;width:fit-content;padding:14px 16px;background:var(--board-soft);color:var(--ink);border:2px solid var(--chalk);border-radius:3px 15px 8px 12px/10px 5px 16px 4px}
.talk-bubble-1{align-self:flex-start;margin-right:12px}
.talk-bubble-2{--chalk:var(--board-blue);align-self:flex-end;margin-left:12px;border-radius:15px 3px 12px 8px/5px 10px 4px 16px}
.talk-bubble::before{content:"";position:absolute;width:12px;height:12px;left:-7px;top:20px;border-left:2px solid var(--chalk);border-bottom:2px solid var(--chalk);background:var(--board-soft);transform:rotate(45deg)}
.talk-bubble-2::before{left:auto;right:-7px;transform:rotate(225deg)}
.talk-bubble.is-active{outline:3px dashed var(--board-ink);outline-offset:4px;border-color:var(--chalk)}
.talk-speaker{font-family:var(--display);font-size:15px;color:var(--chalk);margin-bottom:6px}
.talk-bubble .sequence-title{color:var(--chalk);font-size:21px}
.talk-bubble summary{font-size:13px;min-width:44px;color:var(--board-muted)}
.talk-bubble a{color:var(--board-ink);min-height:44px}
.pad-shell{min-width:0}
.pad-controls{display:flex;gap:20px;flex-wrap:wrap;align-items:center}
.pad-controls .tool-field{flex:1;min-width:130px}
.pad-grid{--ink:var(--board-ink);--muted:var(--board-muted);--accent:var(--board-accent);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:18px;background:var(--board) url('dust.svg');background-size:240px;border:6px solid var(--wood)}
.pad-key{position:relative;display:flex;flex-direction:column;align-items:center;gap:12px;min-height:170px;min-width:64px;padding:12px 8px;color:var(--board-ink);background:var(--board-field);border:2px solid var(--board-line);border-radius:4px 12px 5px 10px;white-space:normal;overflow-wrap:anywhere;text-align:center}
.pad-key::before{content:"▶";display:grid;place-items:center;flex-shrink:0;width:64px;height:64px;margin-top:28px;border:2px solid var(--gold-low);border-radius:50%;background:radial-gradient(circle at 34% 28%,var(--gold-hi) 0 10%,var(--gold) 30%,var(--gold-mid) 66%,var(--gold-low) 100%);box-shadow:inset 0 0 0 5px rgba(255,244,200,.35),inset 0 0 0 7px rgba(80,55,10,.35),0 3px 0 #14291e;color:var(--gold-ink);font-size:19px}
.pad-key kbd{position:absolute;top:10px;left:12px;font-family:var(--display);font-size:14px;color:var(--board-muted)}
.pad-key>span{font-family:var(--display);font-size:18px;line-height:1.45;max-width:100%}
.pad-key:not(:disabled):hover{border-color:var(--board-accent);background:var(--board-soft)}
.pad-key.is-pressed,.pad-key.is-assigning{border-color:var(--board-accent);outline:2px dashed var(--board-accent);outline-offset:3px}
.pad-key.is-pressed::before{transform:translateY(2px);box-shadow:inset 0 3px 4px #6d4d10}
.pad-key.is-assigning kbd{text-decoration:underline wavy var(--board-accent);text-underline-offset:4px}
#play-tools:fullscreen{background:var(--bg);color:var(--ink);padding:24px;overflow:auto;margin:0}
body[data-view=pad] .blackboard,body[data-view=pad] .tray{display:none}
.talk-card:focus-visible,.pad-key:focus-visible,.talk-bubble summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
@media(min-width:800px){.talk-sides{grid-template-columns:repeat(2,minmax(0,1fr))}.pad-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(max-width:760px){.play-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.pad-grid{padding:10px;gap:12px}.talk-bubbles{padding:18px 12px}.talk-bubble{padding:12px;max-width:94%}.pad-key{min-height:170px}.talk-cards{grid-template-columns:minmax(0,1fr)}#play-tools:fullscreen{padding:12px}}