:root {
  --bg: #f6f5f2; --card: #ffffff; --ink: #1d1d1f; --muted: #6b6b70; --line: #e3e1dc;
  --accent: #c2410c; --accent-ink: #ffffff; --chip: #f0eeea; --ok: #15803d; --warn: #b45309; --err: #b91c1c;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121214; --card: #1c1c1f; --ink: #ececee; --muted: #9a9aa2; --line: #2c2c31;
    --accent: #fb923c; --accent-ink: #1a1a1a; --chip: #26262b; --ok: #4ade80; --warn: #fbbf24; --err: #f87171;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #121214; --card: #1c1c1f; --ink: #ececee; --muted: #9a9aa2; --line: #2c2c31;
  --accent: #fb923c; --accent-ink: #1a1a1a; --chip: #26262b; --ok: #4ade80; --warn: #fbbf24; --err: #f87171;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
header { padding-top: 28px; }
.title { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
h1 { margin: 0; font-size: 26px; letter-spacing: -0.01em; }
h2 { margin: 0 0 12px; font-size: 15px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
h3 { margin: 20px 0 8px; font-size: 14px; color: var(--muted); }
.lede { color: var(--muted); max-width: 70ch; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; padding-bottom: 16px; }
.span2 { grid-column: 1 / -1; }
@media (max-width: 760px) { .grid { grid-template-columns: minmax(0, 1fr); } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; min-width: 0; }
.status { font-size: 13px; padding: 2px 10px; border-radius: 999px; background: var(--chip); color: var(--muted); }
.status.ok { color: var(--ok); } .status.err { color: var(--err); }
.voices { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.voice { text-align: left; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 10px; padding: 10px; cursor: pointer; font: inherit; }
.voice[aria-checked="true"] { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.voice .name { font-weight: 600; display: block; }
.voice .sub { font-size: 12px; color: var(--muted); display: block; }
.voice .play { margin-top: 6px; font-size: 12px; }
textarea, input[type=number], select { width: 100%; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
textarea { resize: vertical; min-height: 110px; }
.row { display: flex; align-items: center; gap: 8px; }
.between { justify-content: space-between; flex-wrap: wrap; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.chip { border: 0; background: var(--chip); color: var(--ink); border-radius: 999px; padding: 3px 10px; font: inherit; font-size: 13px; cursor: pointer; }
.hint { font-size: 13px; color: var(--muted); }
.tags { margin-top: 8px; font-size: 13px; }
.tags summary { cursor: pointer; color: var(--muted); }
code { background: var(--chip); padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }
.params { display: grid; gap: 12px; }
.params label { display: grid; gap: 4px; font-size: 14px; }
.params output { float: right; color: var(--muted); font-variant-numeric: tabular-nums; }
input[type=range] { width: 100%; accent-color: var(--accent); }
button { font: inherit; cursor: pointer; }
.primary { background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 10px; padding: 10px 22px; font-weight: 600; }
.primary:disabled { opacity: 0.5; cursor: progress; }
.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px; text-decoration: none; font-size: 13px; }
.result { margin-top: 14px; display: grid; gap: 8px; }
audio { width: 100%; }
.history { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.history li { border-top: 1px solid var(--line); padding-top: 8px; display: grid; gap: 4px; }
.history .txt { font-size: 13px; overflow-wrap: anywhere; }
.err-text { color: var(--err); }
footer { padding: 8px 16px 32px; }