:root{
  --bg:#f4f4f4;
  --paper:#ffffff;
  --ink:#1b1c20;
  --dim:#6a6e78;
  --line:#e4e6ec;
  --akane:#ff8a3d;
  --live:#ff4d6a;
  --ok:#1fad5a;
  --soft:#f7f7f8;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);
  font-family:system-ui,"Hiragino Sans","Noto Sans JP",sans-serif}
body{min-height:100dvh}
.wrap{
  max-width:1280px;margin:0 auto;padding:16px;min-height:100dvh;
  display:grid;gap:16px;grid-template-columns:1fr;
}
@media(min-width:920px){
  .wrap{grid-template-columns:minmax(420px,1.2fr) minmax(320px,.8fr);align-items:stretch}
}
.topline{
  grid-column:1 / -1;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--dim);
}
.topline a{
  color:var(--ink);
  text-decoration:none;
  border-bottom:1px solid var(--line);
}
.studio{display:flex;flex-direction:column;gap:12px;min-width:0}
.stage{
  background:var(--paper);border:1px solid var(--line);border-radius:20px;
  position:relative;overflow:hidden;min-height:58vh;
  display:flex;align-items:stretch;box-shadow:0 8px 28px rgba(20,22,28,.06);
}
#stage{width:100%;display:flex;align-items:center;justify-content:center;background:#f4f4f4}
video{
  width:100%;height:auto;max-height:78vh;object-fit:contain;
  background:#f4f4f4;display:block;
}
.nameplate{
  position:absolute;left:14px;bottom:14px;z-index:2;
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.88);backdrop-filter:blur(6px);
  border:1px solid var(--line);border-radius:999px;
  padding:8px 14px;pointer-events:none;
}
.nameplate .who{font-weight:800;letter-spacing:.06em;font-size:22px}
.nameplate .live{
  font-size:11px;font-weight:700;letter-spacing:.12em;
  color:#fff;background:var(--live);border-radius:999px;padding:2px 8px
}
.nameplate .mode{
  font-size:11px;color:var(--dim);letter-spacing:.08em;text-transform:none
}
.nameplate .action{color:var(--dim);font-size:12px;max-width:10em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dot{width:10px;height:10px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.slots{display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:640px){
  .slots{grid-template-columns:1.15fr .85fr}
}
.play,.work{
  background:var(--paper);border:1px solid var(--line);border-radius:16px;
  padding:10px 12px 12px;min-width:0
}
.slothead{
  font-size:12px;letter-spacing:.16em;color:var(--dim);margin-bottom:8px
}
.playframe{
  aspect-ratio:16/9;width:100%;border-radius:12px;
  border:1.5px dashed #c9ccd4;background:
    linear-gradient(180deg,#fafafa,#f2f3f5);
  display:flex;align-items:center;justify-content:center;
}
.ph{text-align:center;color:var(--dim);padding:8px}
.ph-kicker{font-size:11px;letter-spacing:.18em}
.ph-title{font-size:18px;font-weight:700;color:var(--ink);margin:4px 0}
.ph-note{font-size:13px}
.ph-status{margin-top:6px;font-size:11px;letter-spacing:.08em}
.worknow{font-size:16px;font-weight:700;line-height:1.45;margin-bottom:8px}
.worklog{margin:0;padding:0 0 0 18px;color:var(--dim);font-size:14px;line-height:1.45}
.worklog li{margin:0 0 6px}
.chat{
  background:var(--paper);border-radius:18px;border:1px solid var(--line);
  display:flex;flex-direction:column;min-height:48vh;
  box-shadow:0 8px 28px rgba(20,22,28,.05)
}
.chathead{
  padding:14px 16px 8px;color:var(--dim);font-size:13px;letter-spacing:.14em
}
.log{flex:1;overflow:auto;padding:8px 16px 12px;font-size:22px;line-height:1.5}
.row{margin:0 0 14px}
.who{color:var(--dim);font-size:13px;margin-bottom:2px}
.who.ak{color:var(--akane);font-weight:700}
.say{word-break:break-word}
.form{display:flex;gap:8px;padding:12px 16px 16px;border-top:1px solid var(--line)}
input,button{font:inherit;border:1px solid var(--line);background:#fff;color:var(--ink);padding:12px 14px;border-radius:12px}
input{flex:1;min-width:0;font-size:18px;background:var(--soft)}
button{color:#111;background:var(--akane);border-color:transparent;font-size:18px;font-weight:700;cursor:pointer}
button:disabled{opacity:.5;cursor:wait}