/* シトロンただいま旅の途中 共通スタイル(A案: ひだまりイエロー) */
:root {
  --bg: #fff9e8;
  --card: #ffffff;
  --text: #4a3f28;
  --muted: #a08c5a;
  --line: #f6e3ac;
  --accent: #f2c94c;
  --accent-deep: #c98a00;
  --accent-shadow: #d9ab26;
  --highlight: #fff3cd;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #211c0f; --card: #2b2415; --text: #f3ecd8; --muted: #c2ac78;
    --line: #4a3d1e; --accent: #f2c94c; --accent-deep: #ffd873;
    --accent-shadow: #b8892a; --highlight: #4a3d17;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.8;
}
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }

/* header */
.site-header { padding: 18px 0 0; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brand { font-size: 17px; font-weight: 700; color: var(--text); text-decoration: none; }
.site-nav a { font-size: 13px; color: var(--muted); text-decoration: none; margin-left: 14px; }
.site-nav a:hover { color: var(--accent-deep); }

/* hero */
.hero { padding: 30px 0 10px; }
.hero .wrap { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.hero img { width: 132px; height: auto; flex: none; filter: drop-shadow(0 4px 6px rgba(180,140,30,.18)); }
.hero h1 { font-size: clamp(22px, 5vw, 30px); margin: 0 0 8px; line-height: 1.4; }
.hero p { margin: 0; font-size: 14px; color: var(--muted); max-width: 34em; }

/* sections */
main { padding-bottom: 56px; }
.section-title { font-size: 18px; margin: 36px 0 4px; }
.section-sub { font-size: 13px; color: var(--muted); margin: 0 0 16px; }

/* tool cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.tool-card {
  display: block;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  text-decoration: none;
  color: var(--text);
  position: relative;
}
a.tool-card:hover { border-color: var(--accent); }
.tool-card h3 { font-size: 15.5px; margin: 0 0 6px; }
.tool-card p { font-size: 12.5px; color: var(--muted); margin: 0; }
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  border-radius: 999px;
  padding: 1px 10px;
  margin-bottom: 8px;
  background: var(--accent);
  color: #4a3f28;
}
.tool-card.soon { opacity: .75; }
.tool-card.soon .badge { background: var(--highlight); color: var(--muted); }

/* content pages (about/privacy/disclaimer) */
.page h1 { font-size: 22px; margin: 28px 0 6px; }
.page .updated { font-size: 12px; color: var(--muted); margin: 0 0 20px; }
.page h2 { font-size: 16.5px; margin: 28px 0 8px; border-bottom: 2px solid var(--line); padding-bottom: 6px; }
.page p, .page li { font-size: 14px; }
.page ul { padding-left: 22px; }
.notice {
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 14px;
  padding: 14px 18px;
  font-size: 13.5px;
}

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 20px 0 40px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; justify-content: space-between; }
.site-footer a { font-size: 12.5px; color: var(--muted); text-decoration: none; margin-right: 14px; }
.site-footer a:hover { color: var(--accent-deep); }
.site-footer .copy { font-size: 12px; color: var(--muted); }