/* YUIMUNITY 初期ページ。色はここだけで決める */
:root {
  --bg: #f6f3ee;
  --text: #22262a;
  --muted: #6b7075;
  --accent: #2f5d5a;
  --rule: #d9d3c9;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181b;
    --text: #e8e6e1;
    --muted: #9a9ea3;
    --accent: #7fb3ad;
    --rule: #33373c;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; height: 100%; }

body {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 0 24px;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", Meiryo, system-ui, sans-serif;
  line-height: 1.9;
  -webkit-text-size-adjust: 100%;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  max-width: 36rem;
  margin: 0 auto;
  padding: 18vh 0 12vh;
}

h1 {
  margin: 0 0 2.5rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.2rem, 8vw, 3.4rem);
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--accent);
}

p { margin: 0; }

.lead { font-size: 1.1rem; }

.motto {
  margin: 2rem 0;
  padding-left: 1.2rem;
  border-left: 2px solid var(--rule);
  font-size: 1.05rem;
}

.note {
  font-size: 0.92rem;
  color: var(--muted);
}

footer {
  width: 100%;
  max-width: 36rem;
  margin: 0 auto;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--rule);
  font-size: 0.8rem;
  color: var(--muted);
}