/* 共通テンプレの基本スタイル。色は :root の変数だけを使い、アプリ側で直書きしない。
   data-theme="tool"     … 道具系（既存の公開前ストップライトと同じ配色）
   data-theme="chabudai" … ちゃぶ台パズル系（既存のちゃぶ台パズルと同じ配色・文字大きめ） */
:root, [data-theme="tool"] {
  color-scheme: light;
  --digit-bg:#f1f2ed; --digit-surface:#fff; --digit-surface-raised:#fff;
  --digit-ink:#112c2a; --digit-ink-muted:#5c6b67; --digit-line:#cbd4ce; --digit-line-control:#748a86;
  --digit-signal:#087862; --digit-signal-ink:#fff; --digit-signal-deep:#05604e; --digit-soft:#e2efe9;
  --digit-ok:#0a6b4f; --digit-caution:#8a5a00; --digit-danger:#a3261d; --digit-paper-texture:none;
  --digit-font-body:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI",Meiryo,system-ui,sans-serif;
  --digit-font-display:var(--digit-font-body); --digit-font-numeric:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --digit-reading-measure:40em; --digit-space-related:12px; --digit-space-section:38px;
  --digit-radius-control:2px; --digit-radius-surface:0; --digit-cut-size:18px;
  --digit-shadow-one:0 18px 45px #17352b14; --digit-focus-ring:#b06c00; --digit-trace:#183f3810;
  --digit-enter-duration:160ms; --digit-exit-duration:120ms; --digit-ease-out:ease-out; --digit-measure-frame:1120px;
  --bg:var(--digit-bg); --surface:var(--digit-surface); --ink:var(--digit-ink); --ink-2:var(--digit-ink-muted);
  --line:var(--digit-line); --fill:var(--digit-soft); --accent:var(--digit-signal); --on-accent:var(--digit-signal-ink);
  --ok:var(--digit-ok); --warn:var(--digit-caution); --danger:var(--digit-danger); --radius:var(--digit-radius-surface); --base:16px;
  font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI",Meiryo,system-ui,sans-serif;
}
/* OS の暗色設定。後置の明示指定は、将来 UI を追加せずに手動切替するための口。 */
@media (prefers-color-scheme: dark) {
  :root, [data-theme="tool"] {
    color-scheme:dark;
    --digit-bg:#0f1512; --digit-surface:#17201d; --digit-surface-raised:#1d2724;
    --digit-ink:#e7efe9; --digit-ink-muted:#9fb0a9; --digit-line:#2f3d38; --digit-line-control:#63817a;
    --digit-signal:#5fd2b2; --digit-signal-ink:#06201a; --digit-signal-deep:#45b998; --digit-soft:#15302a;
    --digit-ok:#5fd2b2; --digit-caution:#f0c06a; --digit-danger:#ff9b91;
    --digit-shadow-one:0 18px 45px #00000059; --digit-focus-ring:#ffcc33; --digit-trace:#8fd8c41a;
  }
}
* { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; }
body { margin:0; background:var(--bg); color:var(--ink); font-size:var(--base); line-height:1.85; letter-spacing:.02em; }
button, input, select, textarea { font:inherit; color:inherit; }
button { cursor:pointer; }
a { color:var(--accent); text-underline-offset:3px; }
img, svg, canvas { max-width:100%; }

.ai-disclosure { padding:8px 16px; border-bottom:1px solid var(--line); background:var(--surface); color:var(--ink-2); text-align:center; font-size:13px; line-height:1.7; }
.site-header { width:min(100% - 40px,1120px); max-width:none; margin-inline:auto; padding:18px 0; display:flex; justify-content:space-between; align-items:center; gap:12px; }
.brand { display:inline-flex; align-items:center; gap:8px; color:var(--ink); font-weight:700; text-decoration:none; }
.brand-mark { width:28px; height:28px; flex:none; }
.badge { border:1px solid var(--line); border-radius:999px; padding:3px 12px; color:var(--ink-2); font-size:12px; font-weight:600; white-space:nowrap; }

main { max-width:760px; margin:0 auto; padding:16px 16px 40px; }
h1 { margin:0 0 12px; font-size:clamp(1.6rem,6vw,2.4rem); line-height:1.35; }
h2 { margin:0 0 12px; font-size:1.2em; line-height:1.5; }
.lead { margin:0 0 20px; font-size:1.05em; }
.muted { color:var(--ink-2); font-size:.9em; }
.card { margin:0 0 20px; padding:20px; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); box-shadow:0 8px 24px color-mix(in srgb, var(--ink) 7%, transparent); }
.card > :last-child { margin-bottom:0; }

.primary, .secondary { min-height:48px; min-width:48px; border-radius:8px; padding:10px 22px; font-weight:600; transition:transform .1s, background-color .15s, border-color .15s; }
.primary { border:1px solid var(--accent); background:var(--accent); color:var(--on-accent); }
.secondary { border:1px solid var(--line); background:var(--fill); color:var(--ink); }
.primary:active, .secondary:active { transform:translateY(1px); }
.primary:disabled, .secondary:disabled { opacity:.5; cursor:default; }
.actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:16px; }
:focus-visible { outline:3px solid color-mix(in srgb, var(--accent) 35%, transparent); outline-offset:2px; }

.ad-slot { min-height:100px; margin:24px 0; padding:16px; display:grid; place-items:center; gap:2px; border:1px dashed var(--line); border-radius:var(--radius); background:var(--surface); color:var(--ink-2); text-align:center; }
.ad-slot p, .ad-slot small { margin:0; }
.ad-label { font-size:12px; font-weight:700; }

.legal h2 { margin-top:20px; font-size:1.05em; }
.legal p { margin:0 0 8px; }

.site-footer { margin-inline:auto !important; padding:28px 16px; border-top:1px solid var(--line); color:var(--ink-2); text-align:center; font-size:13px; }
.site-footer nav { display:flex; flex-wrap:wrap; justify-content:center; gap:8px 20px; }
.site-footer p { margin:8px 0 0; }
.copyright { font-variant-numeric:tabular-nums; }
[hidden] { display:none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration:.01ms !important; transition-duration:.01ms !important; }
}

/* 方眼・罫線プリント */
.site-header .brand { min-width:0; }
.site-header .badge { flex:none; }
.sub { margin:-6px 0 8px; color:var(--ink-2); font-weight:600; }
.controls { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px 14px; }
label { min-width:0; display:block; font-weight:600; overflow-wrap:anywhere; }
select { width:100%; min-height:48px; margin-top:4px; padding:11px 13px; border:1px solid var(--line); border-radius:8px; background:var(--surface); }
select:disabled { opacity:.65; }
.preview { width:100%; max-height:430px; display:flex; justify-content:center; overflow:hidden; border:1px solid var(--line); background:var(--surface); }
.preview svg { width:100%; height:auto; max-height:430px; }
.result { font-weight:700; overflow-wrap:anywhere; }
dt { margin-top:12px; font-weight:700; } dd { margin-left:0; }
@media (max-width:420px) {
  .controls { grid-template-columns:minmax(0,1fr); }
  .actions .primary { width:100%; }
}
@media print {
  html, body { width:100%; height:100%; margin:0; padding:0; background:var(--surface); overflow:hidden; }
  .ai-disclosure, .site-header, .ad-slot, .site-footer, .promo, .app-card > :not(.preview), main > :not(.app-card) { display:none !important; }
  body main, .app-card, .preview { width:100%; height:100%; max-width:none; max-height:none; margin:0; padding:0; border:0; overflow:hidden; }
  .preview svg { display:block; width:100%; height:100%; max-height:none; }
  .preview .paper-edge { display:none !important; } /* 見本の用紙のふちの線は印刷しない（仁科・2026-10-30・実機の写しで見つけた） */
}
/* 狭い幅（<360px）では badge を次の行へ落とし brand と重ねない（ハヤ点検 2026-10-30・縮めない） */
@media (max-width:359px){.site-header{flex-wrap:wrap}.site-header .badge,.site-header .offline{order:3;flex-basis:100%;margin-top:4px}}

/* 新テンプレの骨 */
.ai-disclosure{text-align:left;padding:9px max(20px,calc((100vw - 1080px)/2))}.ai-disclosure::before{content:"◆ AI運営";display:inline-block;margin-right:10px;color:var(--accent);font:700 12px/1.7 ui-monospace,monospace;letter-spacing:.06em}.brand-mark{width:32px;height:32px;clip-path:polygon(0 0,72% 0,100% 28%,100% 100%,0 100%)}
main{max-width:1080px;padding:clamp(30px, 6vw, 68px) 0 80px}.intro{margin-bottom:38px}.kicker{display:block;margin:0 0 10px;color:var(--accent);font:700 12px/1.6 ui-monospace,monospace;letter-spacing:.15em}.intro h1{max-width:20ch;margin:0 0 18px;font-size:clamp(32px,5.4vw,60px);font-weight:750;line-height:1.14;letter-spacing:-.03em;text-wrap:balance;word-break:auto-phrase}.intro .lead{max-width:42em;margin:0 0 38px;font-size:18px}
.journey{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));max-width:620px;margin:34px 0 38px;padding:0;list-style:none}.journey>*{border-top:1px solid var(--line);padding:10px 8px 0 0;font-weight:700}.journey>.is-now{border-top-color:var(--accent)}.journey b{display:block;color:var(--accent);font:700 12px/1.6 ui-monospace,monospace;letter-spacing:.12em}
.content{max-width:820px}.panel{position:relative;margin-bottom:24px;padding:26px;background:var(--surface);box-shadow:0 16px 38px rgba(31,61,48,.14);clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%)}.faq details{border-top:1px solid var(--line);padding:10px 0}.faq summary{min-height:48px;display:flex;align-items:center;gap:10px;font-weight:700;cursor:pointer;list-style:none}.faq summary::before{content:"▶";display:grid;place-items:center;width:24px;height:24px;flex:none;background:var(--accent);color:var(--on-accent);font-size:11px;clip-path:polygon(0 0,72% 0,100% 28%,100% 100%,0 100%)}.faq details[open] summary::before{transform:rotate(90deg)}
.site-footer{max-width:none;margin-top:38px!important;padding:26px 0 34px;text-align:left}.site-footer>*{width:min(100% - 40px,1080px);margin-inline:auto}.site-footer nav{justify-content:flex-start}.site-footer p{margin:10px auto 0}
@media(max-width:640px){.ai-disclosure{padding:8px 20px}.ai-disclosure::before{display:block;margin:0 0 2px}main{padding-inline:16px}.intro h1{font-size:clamp(30px,10vw,44px)}.intro .lead{font-size:16px}.journey{margin:26px 0 30px}.panel{padding:20px}.controls{grid-template-columns:minmax(0,1fr)}.site-footer>*{width:min(100% - 32px,1080px)}}