:root {
  --bg: #fdf3e7;
  --card: #fffaf3;
  --ink: #2a2723;
  --ink-soft: #6b625a;
  --line: #eadccb;
  --accent: #3f7d5a;
  --accent-soft: #e3efe7;
  --font: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans", "Noto Sans JP", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1d1b19;
    --card: #262320;
    --ink: #eee6dc;
    --ink-soft: #b3a99d;
    --line: #3a352f;
    --accent: #6dbb90;
    --accent-soft: #22342a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.85;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--accent); }
main { max-width: 680px; margin: 0 auto; padding: 32px 16px 48px; }

.site-head { max-width: 680px; margin: 0 auto; padding: 20px 16px 0; }
.site-head a { color: var(--ink); text-decoration: none; font-weight: 700; }

h1 { font-size: 26px; line-height: 1.4; margin: 8px 0 12px; }
h2 { font-size: 18px; margin: 36px 0 8px; }
p, li { font-size: 15.5px; }
.lead { color: var(--ink-soft); }
.updated { color: var(--ink-soft); font-size: 13.5px; }

.card {
  display: flex;
  gap: 16px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  color: inherit;
  text-decoration: none;
}
.card img { width: 72px; height: 72px; border-radius: 16px; flex: none; }
.card strong { display: block; font-size: 18px; }
.card span { color: var(--ink-soft); font-size: 14.5px; }

.hero { text-align: center; padding-top: 8px; }
.hero img { width: 112px; height: 112px; border-radius: 24px; }
.badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 2px 12px;
  font-size: 13.5px;
  font-weight: 700;
}
.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 999px;
  padding: 10px 24px;
  font-weight: 700;
  margin-top: 8px;
}
.features { padding-left: 1.2em; }
.features li { margin: 6px 0; }

.site-foot {
  max-width: 680px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 13.5px;
}
.site-foot a { color: var(--ink-soft); margin-right: 16px; }