:root {
  --bg: #faf7f2;
  --card: #ffffff;
  --text: #3a352e;
  --sub: #8a8275;
  --accent: #c9b096;
  --accent-dark: #b09272;
  --line-green: #06c755;
  --border: #e8e1d6;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  max-width: 560px;
  width: 100%;
  padding: 40px 28px;
  box-shadow: 0 6px 24px rgba(58, 53, 46, 0.06);
}
.brand { font-size: 14px; color: var(--sub); letter-spacing: 0.1em; margin-bottom: 8px; }
h1 { font-size: 22px; margin-bottom: 20px; text-wrap: balance; word-break: auto-phrase; }
p { margin-bottom: 16px; word-break: auto-phrase; }
.terms {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  font-size: 13px;
  color: var(--sub);
  max-height: 220px;
  overflow-y: auto;
  margin-bottom: 20px;
}
.terms h2 { font-size: 14px; color: var(--text); margin: 14px 0 6px; }
.terms h2:first-child { margin-top: 0; }
.terms p { margin-bottom: 10px; }
.terms-summary {
  background: #f9f2e8;
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 14px;
  margin-bottom: 16px;
}
.terms-summary ul { padding-left: 20px; margin-top: 6px; }
.terms-summary li { margin-bottom: 4px; }
.agree { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 24px; font-size: 15px; }
.agree input { width: 20px; height: 20px; margin-top: 5px; accent-color: var(--accent); }
.btn {
  display: block;
  width: 100%;
  text-align: center;
  padding: 16px;
  border-radius: 999px;
  font-size: 17px;
  font-weight: bold;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn-pay { background: var(--accent); color: #fff; }
.btn-pay:hover { background: var(--accent-dark); }
.btn-pay[aria-disabled="true"] { opacity: 0.4; pointer-events: none; }
.btn-line { background: var(--line-green); color: #fff; }
.note { font-size: 13px; color: var(--sub); margin-top: 16px; }
.icon { font-size: 44px; text-align: center; margin-bottom: 12px; }
.center { text-align: center; }