:root {
  --bg: #f6f5f1; --panel: #ffffff; --ink: #1f2328; --muted: #6b7078; --line: #e2e0da;
  --accent: #2f6fdf; --accent-ink: #fff; --danger: #c43d3d; --ok: #1f8a4c; --soft: #eef3fd;
  --code: #f0eee8;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #16181c; --panel: #1f2227; --ink: #e8e8e6; --muted: #9aa0a8; --line: #33373e;
    --accent: #6b9cff; --accent-ink: #0d1117; --danger: #ff7b7b; --ok: #5fd08f; --soft: #1e2a3f; --code: #2a2d33; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.7 "BIZ UDPGothic", "Yu Gothic UI", "Hiragino Sans", system-ui, sans-serif; }
header { display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 16px 24px; border-bottom: 1px solid var(--line); background: var(--panel); flex-wrap: wrap; }
h1 { font-size: 20px; margin: 0; letter-spacing: .02em; }
.brand .sub { color: var(--muted); font-size: 13px; }
.badge { font-size: 13px; padding: 4px 12px; border-radius: 999px; background: var(--code); }
.badge.ok { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.badge.ng { background: color-mix(in srgb, var(--danger) 18%, transparent); color: var(--danger); }
nav { display: flex; gap: 4px; padding: 8px 24px 0; background: var(--panel); border-bottom: 1px solid var(--line);
  overflow-x: auto; }
nav button { border: 0; background: none; padding: 10px 14px; font: inherit; color: var(--muted);
  border-bottom: 3px solid transparent; cursor: pointer; white-space: nowrap; }
nav button.active { color: var(--ink); border-color: var(--accent); font-weight: 700; }
main { max-width: 980px; margin: 0 auto; padding: 24px 16px 80px; }
.tab { display: none; } .tab.active { display: block; }
h2 { font-size: 22px; margin: 0 0 8px; } h3 { font-size: 16px; margin: 20px 0 8px; }
.note { color: var(--muted); font-size: 14px; margin: 0 0 16px; }
.hint { color: var(--muted); font-size: 12px; margin-left: 8px; font-weight: 400; }
code { background: var(--code); padding: 1px 6px; border-radius: 4px; font-size: 13px; word-break: break-all; }
label { display: block; font-size: 13px; font-weight: 700; margin: 10px 0; }
label.check { display: flex; align-items: center; gap: 8px; font-weight: 400; font-size: 14px; }
input, select, textarea { width: 100%; font: inherit; color: var(--ink); background: var(--panel);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; margin-top: 4px; }
input[type=checkbox] { width: auto; margin: 0; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
button { font: inherit; border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  padding: 8px 16px; border-radius: 8px; cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 700; }
button.danger { color: var(--danger); }
button.ghost { background: transparent; }
button.small { padding: 3px 10px; font-size: 13px; }
.row { display: flex; gap: 8px; align-items: center; margin: 12px 0; flex-wrap: wrap; }
.row input { flex: 1; min-width: 180px; margin: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 12px; }
@media (max-width: 700px) { .grid2, .grid4 { grid-template-columns: 1fr; } header, nav { padding-left: 16px; padding-right: 16px; } }
.tags, .presets, .examples { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 8px; }
.tags button, .presets button, .examples button { padding: 2px 10px; font-size: 13px; border-radius: 999px; background: var(--soft); border-color: transparent; }
.result { background: var(--code); padding: 12px; border-radius: 8px; white-space: pre-wrap; font-size: 13px; min-height: 0; }
.result:empty { display: none; }
.outbox:empty { display: none; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin: 10px 0; }
.card .meta { color: var(--muted); font-size: 12px; word-break: break-all; }
.card .title { font-weight: 700; }
.card audio { width: 100%; margin-top: 6px; }
.card .actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.err { background: color-mix(in srgb, var(--danger) 12%, var(--panel)); border-color: var(--danger); }
.err pre { white-space: pre-wrap; font-size: 12px; margin: 6px 0 0; }
.callout { background: var(--soft); border-radius: 10px; padding: 12px 16px; margin: 0 0 16px; font-size: 14px; }
.callout ul { margin: 6px 0 0; padding-left: 20px; }
.step { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 4px 16px 12px; margin: 12px 0; }
blockquote { margin: 8px 0; padding: 10px 14px; background: var(--code); border-left: 4px solid var(--accent); border-radius: 4px; font-size: 16px; line-height: 1.9; }
.recorder { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.recorder .time { font-variant-numeric: tabular-nums; font-weight: 700; min-width: 5em; }
.recorder .state { font-size: 13px; color: var(--muted); }
.recorder .state.ok { color: var(--ok); } .recorder .state.ng { color: var(--danger); }
.recorder audio { flex-basis: 100%; }
.recorder .meter { width: 120px; height: 8px; background: var(--code); border-radius: 4px; overflow: hidden; }
.recorder .meter i { display: block; height: 100%; width: 0; background: var(--ok); transition: width .08s; }
.rec-on { background: var(--danger) !important; color: #fff !important; border-color: var(--danger) !important; }
.speaker-row, .line-row { display: grid; gap: 8px; align-items: start; margin: 6px 0; }
.speaker-row { grid-template-columns: 160px 1fr auto; }
.line-row { grid-template-columns: 130px 200px 1fr auto; }
.line-row input, .line-row select, .line-row textarea, .speaker-row input, .speaker-row select { margin: 0; }
@media (max-width: 700px) { .line-row, .speaker-row { grid-template-columns: 1fr; } }
details.paste { margin: 8px 0; } details.paste summary { cursor: pointer; color: var(--accent); font-size: 14px; }
.lib-item { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: sp 0.8s linear infinite; vertical-align: -2px; margin-right: 6px; }
@keyframes sp { to { transform: rotate(360deg); } }
#toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg);
  padding: 8px 18px; border-radius: 999px; font-size: 14px; opacity: 0; transition: opacity .2s; pointer-events: none; }
#toast.show { opacity: .92; }

.consent-tip { font-size: 13px; margin: 0 0 10px; color: #a0522d; }
.err details summary { cursor: pointer; font-size: 12px; margin-top: 6px; }

.dl { display: inline-block; font-size: 13px; padding: 4px 12px; border-radius: 999px; border: 1px solid currentColor; text-decoration: none; }