/* What Did It Cost? (/en/prices/)。英語だけの独立したページ。白地・墨の文字・細い線・角は小さく。
   色だけで正誤を示さない(✓ と × を付ける)。モバイル優先。 */
:root { --ink: #1c1c1a; --mute: #626262; --line: #cfcfcf; --soft: #f6f6f4; --ng: #b3431f; --max: 640px; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: #fff; color: #333; font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: inherit; }
.ep-skip { position: absolute; left: -999px; top: 0; background: #fff; padding: 8px 12px; z-index: 5; }
.ep-skip:focus { left: 8px; top: 8px; }
.ep-top { max-width: var(--max); margin: 0 auto; padding: 14px 16px 0; display: flex; align-items: baseline; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--mute); }
.ep-top a { color: var(--mute); text-decoration: none; }
.ep-top a:hover, .ep-top a:focus-visible { color: var(--ink); text-decoration: underline; }
.ep-top nav { display: flex; gap: 16px; }
.ep-main { max-width: var(--max); margin: 0 auto; padding: 8px 16px 40px; }
.ep-foot { max-width: var(--max); margin: 0 auto; padding: 18px 16px 32px; border-top: 1px solid #e6e6e6; font-size: 12.5px; line-height: 1.8; color: var(--mute); }
.ep-foot p { margin: 0 0 6px; }
.ep-foot a { color: var(--mute); }

.ep button { font: inherit; cursor: pointer; }
.ep-hero, .ep-res { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0 18px; }
.ep-h1 { margin: 0 0 6px; font-size: 30px; line-height: 1.15; color: #000; letter-spacing: -.01em; }
.ep-lead { margin: 0; font-size: 18px; line-height: 1.5; color: #111; }
.ep-mochi { width: 96px; height: auto; flex: none; display: block; }
.ep-mochi-hero { width: 116px; }
.ep-mochi-s { width: 60px; }
.ep-modes { display: grid; gap: 12px; margin: 4px 0 16px; }
.ep-mode { display: grid; gap: 2px; text-align: left; width: 100%; padding: 16px 18px; background: #fff; border: 1px solid var(--ink); border-radius: 4px; color: var(--ink); }
.ep-mode:hover, .ep-mode:focus-visible { background: var(--ink); color: #fff; }
.ep-mode-t { font-size: 21px; font-weight: 700; }
.ep-mode-d { font-size: 14px; opacity: .8; }
.ep-mode-s { font-size: 14px; margin-top: 4px; font-variant-numeric: tabular-nums; }
.ep-note { font-size: 13px; color: var(--mute); line-height: 1.7; margin: 8px 0; }
.ep-vs { margin: 0 0 12px; font-size: 16px; font-weight: 700; color: #000; }
.ep-prev { margin: 0 0 4px; }
.ep-top2 { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 4px 0 10px; font-size: 14px; color: var(--mute); flex-wrap: wrap; }
.ep-prog { font-variant-numeric: tabular-nums; }
.ep-streak { font-variant-numeric: tabular-nums; color: var(--ink); }
.ep-bar { appearance: none; -webkit-appearance: none; width: 100%; height: 4px; border: 0; background: #e6e6e6; flex-basis: 100%; }
.ep-bar::-webkit-progress-bar { background: #e6e6e6; }
.ep-bar::-webkit-progress-value { background: var(--ink); }
.ep-bar::-moz-progress-bar { background: var(--ink); }
.ep-chips { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 10px; padding: 0; }
.ep-chips li { font-size: 13px; line-height: 1; padding: 7px 9px; background: var(--soft); border: 1px solid #e0e0e0; color: #444; }
.ep-q { margin: 0 0 18px; font-size: 22px; line-height: 1.35; font-weight: 700; color: #000; outline: none; text-wrap: balance; }
.ep-choices { display: grid; gap: 10px; }
.ep-choice { display: grid; grid-template-columns: 32px 1fr 28px; align-items: center; gap: 8px; width: 100%; min-height: 58px; padding: 10px 14px; text-align: left; background: #fff; color: var(--ink); border: 1px solid var(--line); border-radius: 4px; font-size: 18px; line-height: 1.35; }
.ep-choice:not(:disabled):hover, .ep-choice:not(:disabled):focus-visible { border-color: var(--ink); background: var(--soft); }
.ep-badge { display: inline-grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--ink); border-radius: 50%; font-size: 13px; font-weight: 700; }
.ep-mark { font-size: 20px; font-weight: 700; text-align: center; }
.ep-choice:disabled { cursor: default; color: #6b6b6b; }
.ep-choice.is-correct { background: var(--ink); border-color: var(--ink); color: #fff; font-weight: 700; }
.ep-choice.is-correct .ep-badge { border-color: #fff; }
.ep-choice.is-wrong { border: 2px solid var(--ng); color: var(--ng); font-weight: 700; background: #fff; }
.ep-choice.is-wrong .ep-badge { border-color: var(--ng); }
.ep-reveal { margin-top: 16px; }
.ep-verdict { display: flex; align-items: center; gap: 14px; padding: 10px 0; border-top: 1px solid #e6e6e6; }
.ep-vt { margin: 0; font-size: 21px; font-weight: 700; color: #000; }
.ep-verdict.ng .ep-vt { color: var(--ng); }
.ep-va { margin: 2px 0 0; font-size: 15px; }
.ep-ex { margin: 6px 0; font-size: 16px; line-height: 1.6; }
.ep-src { margin: 4px 0; font-size: 12.5px; color: var(--mute); line-height: 1.7; }
.ep-src a { color: var(--mute); }
.ep-nextrow { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 0; align-items: center; }
.ep-next { display: inline-flex; align-items: center; min-height: 52px; padding: 0 26px; background: var(--ink); color: #fff; border: 1px solid var(--ink); border-radius: 4px; font-size: 17px; font-weight: 700; text-decoration: none; }
.ep-next:hover, .ep-next:focus-visible { background: #000; }
.ep-quiet { min-height: 44px; padding: 0 14px; background: none; border: 0; color: var(--mute); text-decoration: underline; font-size: 15px; }
.ep-score { margin: 0; font-size: 64px; line-height: 1.15; color: #000; outline: none; font-weight: 700; font-variant-numeric: tabular-nums; }
.ep-score-of { font-size: 24px; font-weight: 400; color: var(--mute); }
.ep-share { margin: 4px 0 8px; padding: 14px 0; border-top: 1px solid #e6e6e6; border-bottom: 1px solid #e6e6e6; }
.ep-grid { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 12px; }
.ep-grid-t { margin: 0 0 12px; font-size: 18px; color: #000; }
.ep-cell { display: inline-grid; place-items: center; width: 32px; height: 32px; font-size: 18px; font-weight: 700; border: 2px solid var(--ink); }
.ep-cell.ok { background: var(--ink); color: #fff; }
.ep-cell.ng { border-color: var(--ng); color: var(--ng); }
.ep-sharerow { display: flex; flex-wrap: wrap; gap: 8px; }
.ep-sb { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 14px; border: 1px solid var(--ink); border-radius: 4px; background: #fff; color: var(--ink); font-size: 15px; text-decoration: none; }
.ep-sb:hover, .ep-sb:focus-visible { background: var(--ink); color: #fff; }
.ep-streak-big { margin: 10px 0 0; font-size: 15px; color: #000; font-variant-numeric: tabular-nums; }
.ep-review { margin-top: 20px; font-size: 15px; }
.ep-review summary { cursor: pointer; padding: 10px 0; min-height: 44px; }
.ep-rv { padding: 8px 0; border-top: 1px solid #eee; }
.ep-rv-q { margin: 0 0 2px; font-weight: 700; color: #000; }
.ep-rv-a { margin: 0; color: #444; line-height: 1.6; }
.ep-about { margin-top: 28px; padding-top: 20px; border-top: 1px solid #e6e6e6; font-size: 16px; line-height: 1.75; }
.ep-about h1 { font-size: 26px; line-height: 1.2; margin: 8px 0 12px; color: #000; }
.ep-about h2 { font-size: 19px; margin: 26px 0 6px; color: #000; line-height: 1.3; }
.ep-about p, .ep-about ul { margin: 0 0 10px; }
.ep-about ul { padding-left: 20px; }
.ep-about li { margin: 2px 0; }
.ep-about details { margin: 8px 0; }
.ep-about summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; }
.ep-tw { overflow-x: auto; margin: 10px 0 14px; }
.ep-about table { border-collapse: collapse; width: 100%; font-size: 14px; line-height: 1.5; }
.ep-about th, .ep-about td { text-align: left; padding: 6px 8px; border-bottom: 1px solid #e6e6e6; vertical-align: top; }
.ep-about th { font-weight: 700; color: #000; white-space: nowrap; }
.ep-about td.n, .ep-about th.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ep-about code { font-size: 13px; }
.ep-fig { margin: 12px 0; overflow-x: auto; }
.ep-fig img { max-width: 100%; height: auto; display: block; }
.ep-s .ep-score { margin: 0 0 8px; }
.ep-s-card { display: block; width: 100%; height: auto; margin: 8px 0 16px; border: 1px solid #e6e6e6; }
.ep-vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; margin: -1px; }
.ep-about summary::before { content: '\25B8\00a0'; }
.ep-about details[open] summary::before { content: '\25BE\00a0'; }
@media (max-width: 480px) {
  .ep-h1 { font-size: 26px; }
  .ep-lead { font-size: 17px; }
  .ep-mochi-hero { width: 92px; }
  .ep-q { font-size: 20px; }
  .ep-choice { font-size: 17px; padding: 10px 12px; }
  .ep-score { font-size: 56px; }
  .ep-grid { gap: 4px; }
  .ep-cell { width: 30px; height: 30px; font-size: 16px; }
}
@media (prefers-reduced-motion: no-preference) {
  .ep-reveal > * { animation: ep-in .18s ease-out both; }
  @keyframes ep-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
}
.ep-about small{font-size:12px}