/* marron のアプリのサイト共通の見た目（プライバシーポリシー・利用規約・サポートなど） */
:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --text: #16181d;
  --muted: #5b6472;
  --line: #e2e6ee;
  --accent: #2563eb;
  --head: linear-gradient(180deg, #4fa2f6 0%, #7fb7e8 100%);
  --head-text: #0f1a3a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111318;
    --surface: #1b1e25;
    --text: #eef0f4;
    --muted: #a3aab6;
    --line: #2b2f38;
    --accent: #7aa7ff;
    --head: linear-gradient(180deg, #1e3a6b 0%, #1b2a4a 100%);
    --head-text: #eef3ff;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Segoe UI", sans-serif;
  line-height: 1.8;
}
a { color: var(--accent); }

.site-head {
  background: var(--head);
  color: var(--head-text);
  padding: 28px 16px 24px;
}
.site-head .inner, main { max-width: 720px; margin: 0 auto; }
.site-head .app { margin: 0; font-size: 0.9rem; font-weight: 700; opacity: 0.8; }
.site-head h1 { margin: 2px 0 0; font-size: 1.6rem; line-height: 1.4; }
/* 右上の言語の切り替え（日本語 ⇄ English） */
.site-head .inner { position: relative; }
.site-head .lang { position: absolute; top: 0; right: 0; margin: 0; font-size: 0.85rem; font-weight: 700; }
.site-head .lang a { color: inherit; }

main { padding: 24px 16px 48px; }
section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 4px 20px 16px;
  margin-bottom: 16px;
}
h2 { font-size: 1.1rem; margin: 18px 0 6px; }
h3 { font-size: 1rem; margin: 16px 0 4px; }
p, ul { margin: 8px 0; }
ul { padding-left: 1.3em; }
li { margin: 2px 0; }
.lead { margin: 0 0 16px; }
.muted { color: var(--muted); font-size: 0.9rem; }
.mail { font-size: 1.05rem; font-weight: 700; word-break: break-all; }

.app-card h2 { margin-top: 16px; }
.links { display: flex; flex-wrap: wrap; gap: 8px 20px; }

footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px 40px;
  color: var(--muted);
  font-size: 0.85rem;
}