:root {
  --bg: #f1f4ec;
  --card: #ffffff;
  --ink: #1d2119;
  --muted: #62695a;
  --line: #dde3d4;
  --ok: #2f7d4f;
  --ok-bg: #e2f2e8;
  --ko: #b3261e;
  --ko-bg: #f9e1df;
  --rt: #62695a;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141711;
    --card: #1e221a;
    --ink: #e6eadf;
    --muted: #9ea591;
    --line: #33392c;
    --ok: #7fd1a0;
    --ok-bg: #1f3a2a;
    --ko: #f2958c;
    --ko-bg: #42221f;
    --rt: #9ea591;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Noto Sans CJK JP", "Yu Gothic", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}
main {
  max-width: 560px; margin: 0 auto;
  padding: max(12px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(48px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}
header { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-bottom: 8px; }
h1 { font-size: 20px; margin: 0; flex: 1 1 auto; }
.nav { flex-basis: 100%; font-size: 14px; order: 3; }
.nav a { color: var(--accent); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.controls { display: flex; gap: 8px; align-items: center; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--card); }
.seg button { border: 0; background: transparent; color: var(--ink); min-height: 44px; min-width: 52px; font: inherit; font-size: 15px; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.toggle { border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 10px; min-height: 44px; padding: 0 12px; font: inherit; font-size: 15px; cursor: pointer; }
.toggle[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); font-weight: 600; }
details.formes { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 0 14px; margin-bottom: 10px; }
details.formes summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; font-size: 15px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 2px 0 14px; }
.chips input { width: 18px; height: 18px; accent-color: var(--accent); }
.chips label:has(input:checked) { border-color: var(--accent); background: var(--sel); }
.score { color: var(--muted); font-size: 14px; margin: 0 0 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin-bottom: 16px; }
.step { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 8px; }
.word { font-size: 44px; text-align: center; margin: 8px 0 12px; line-height: 1.9; }
.label { font-size: 14px; color: var(--muted); margin: 14px 0 6px; }
.opts { display: grid; gap: 8px; }
.opt:disabled { cursor: default; }
.opt.sel { border-color: var(--accent); background: var(--sel); }
.opt.ok { border-color: var(--ok); background: var(--ok-bg); }
.opt.ko { border-color: var(--ko); background: var(--ko-bg); }
.go { display: block; width: 100%; margin-top: 16px; min-height: 50px; border: 0; border-radius: 12px; background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 600; cursor: pointer; }
.go:disabled { opacity: .4; cursor: default; }
.fb { margin-top: 14px; padding: 12px 14px; border-radius: 10px; background: var(--bg); line-height: 1.9; }
.fb p { margin: 0 0 6px; }
.fb p:last-child { margin-bottom: 0; }
.good { color: var(--ok); font-weight: 600; }
.bad { color: var(--ko); font-weight: 600; }
.consigne { display: inline-block; border: 1px solid var(--accent); color: var(--accent); border-radius: 8px; padding: 2px 10px; font-size: 15px; line-height: 2; }
.lex { margin: 8px 0 0; padding: 0; list-style: none; font-size: 15px; }
.lex li { padding: 2px 0; }
ruby rt { font-size: .5em; color: var(--rt); }
body.nofuri rt { display: none; }
#report { white-space: pre-wrap; font-family: ui-monospace, monospace; font-size: 13px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }