/* みんレス(minresu.com) 共通スタイル。design tokens はアプリのブランドカラー(#1C3D5A)を踏襲。 */

:root {
  --bg: #f6f3ec;
  --surface: #ffffff;
  --surface-2: #efeadd;
  --ink: #23201c;
  --muted: #6f6759;
  --faint: #948c7a;
  --hairline: #ddd4c2;
  --navy: #1c3d5a;
  --navy-deep: #122a3f;
  --navy-soft: #e2e9ef;
  --accent: #c9503d;
  --accent-deep: #a53f2f;
  --accent-soft: #f6e2dd;
  --shadow: 0 1px 2px rgba(35, 32, 28, 0.06);
  --shadow-lg: 0 8px 24px rgba(28, 61, 90, 0.12);
}
/* ダークモード非対応(意図的): サイトの印象がブランドと大きくずれるため、
   常にライトパレット固定とする。system/ブラウザのダーク設定は無視する。 */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", sans-serif;
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
.disp { font-family: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif; }
.mono { font-family: "IBM Plex Mono", "Consolas", monospace; }
a { color: var(--navy); }
img { max-width: 100%; display: block; }

/* ---- header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246, 243, 236, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.site-header-in {
  max-width: 980px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 900;
  font-size: 16px;
  color: var(--ink);
  text-decoration: none;
}
.site-logo img { width: 26px; height: 26px; border-radius: 6px; }
.site-nav {
  margin-left: auto;
  display: flex;
  gap: 22px;
  font-size: 13px;
  font-weight: 500;
}
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover { color: var(--navy); }

/* ---- generic layout helpers ---- */
.wrap { max-width: 980px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* ---- buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 22px;
  border-radius: 8px;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
}
.btn-accent { background: var(--accent); color: #fff9f4; box-shadow: var(--shadow-lg); }
.btn-accent:hover { background: var(--accent-deep); }
.btn-outline { background: transparent; border-color: var(--navy); color: var(--navy); }
.btn-outline:hover { background: var(--navy-soft); }
.btn-soon {
  background: var(--surface);
  border-color: var(--hairline);
  color: var(--faint);
  cursor: default;
  box-shadow: none;
}

/* ---- footer ---- */
.site-footer {
  border-top: 1px solid var(--hairline);
  margin-top: 80px;
}
.site-footer-in {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 24px 48px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  color: var(--faint);
  font-size: 12.5px;
}
.footer-links { display: flex; gap: 18px; margin-left: auto; flex-wrap: wrap; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--navy); text-decoration: underline; }

@media (max-width: 560px) {
  .site-header-in { padding: 12px 16px; }
  .site-nav { gap: 14px; }
  .wrap, .narrow { padding: 0 16px; }
  .footer-links { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}