:root {
  color-scheme: light;
  --text: #1f2a28;
  --muted: #5b6765;
  --accent: #00695c;
  --border: #d9e2e0;
  --bg: #f7faf9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
}

header {
  background: #fff;
  border-bottom: 1px solid var(--border);
}

header .inner,
main {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px 20px;
}

header a {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
}

nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  margin-top: 4px;
}

nav a {
  color: var(--accent);
  font-weight: 400;
  font-size: 14px;
}

h1 {
  font-size: 24px;
  margin: 24px 0 8px;
}

h2 {
  font-size: 18px;
  margin: 32px 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

a {
  color: var(--accent);
}

.muted {
  color: var(--muted);
  font-size: 14px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 16px 0;
}

.hero {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
}

.hero img {
  border-radius: 22px;
}

.hero h1 {
  margin: 0;
}

.hero p {
  margin: 0;
}

.points {
  padding-left: 1.2em;
}

.store-button {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 10px;
  background: #001f4d;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.store-button.disabled {
  background: #9aa5a3;
}

/* 公式ストアバッジ（改変しない。高さだけ揃える） */
a.store-badge {
  display: inline-block;
  line-height: 0;
  text-decoration: none;
}

a.store-badge img {
  height: 48px;
  width: auto;
  display: block;
}

footer {
  max-width: 760px;
  margin: 40px auto 0;
  padding: 16px 20px 40px;
  color: var(--muted);
  font-size: 13px;
}