:root {
  /* 指定：#ffffe9〜#eee183 系 */
  --bg: #ffffe9;
  --bg2: #f7f1b9;
  --card: #fff7c9;
  --card2: #f3eaac;
  --line: #e1d88a;

  --text: #2b250a;
  --muted: #5a4c14;

  --accent: #caa400; /* 少し濃い黄 */
  --accent2: #b99600;

  /* 指定：フッター色 */
  --footer: #483b0c;

  --radius: 18px;
  --shadow: 0 10px 22px rgba(72, 59, 12, 0.12);
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    "Noto Sans JP",
    "Yu Gothic",
    Meiryo,
    sans-serif;
  background: linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--text);

  /* 字を大きく */
  font-size: 18px;
  line-height: 1.75;
}

a {
  color: inherit;
}

.container {
  width: min(980px, calc(100% - 28px));
  margin: 0 auto;
}

/* ===== Hero ===== */
.hero {
  padding: 34px 0 18px;
}

.kicker {
  margin: 0 0 10px;
  font-size: 16px;
  color: var(--muted);
}

.title {
  margin: 0 0 12px;
  font-size: clamp(28px, 4.2vw, 44px);
  letter-spacing: 0.02em;
}

.lead {
  margin: 0 0 16px;
  color: var(--muted);
}

.small {
  font-size: 16px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 14px 0 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 2px solid var(--line);
  background: #fffbe1;
  text-decoration: none;
  font-weight: 700;
  min-width: 260px;
  box-shadow: 0 2px 0 rgba(72, 59, 12, 0.1);
}

.btn.primary {
  background: linear-gradient(180deg, #f9ef9a, #eee183);
  border-color: #d7c95a;
}

.btn:hover {
  transform: translateY(-1px);
}

.note-box {
  margin-top: 10px;
  background: #fffbe1;
  border: 2px dashed #d7c95a;
  border-radius: var(--radius);
  padding: 12px 14px;
}

.note {
  margin: 0;
  font-size: 16px;
  color: var(--muted);
}

/* ===== Cards ===== */
main {
  padding: 10px 0 34px;
}

.card {
  background: linear-gradient(180deg, var(--card), var(--card2));
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  margin: 14px 0;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 20px;
}

.text {
  margin: 0;
  color: var(--muted);
}

.list {
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--line);
  background: #fffbe1;
  border-radius: 999px;
  padding: 0 10px;
  font-size: 14px;
  color: var(--text);
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* mini section */
.card.mini {
  padding: 16px 18px;
}

.choice {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 10px;
}

.chip {
  border: 2px solid var(--line);
  background: #fffbe1;
  border-radius: 14px;
  padding: 12px 12px;
}

.chip-title {
  font-weight: 800;
  margin-bottom: 6px;
}

.chip-text {
  color: var(--muted);
}

/* ===== Footer ===== */
.footer {
  background: var(--footer);
  color: #fff7c9;
  padding: 18px 0 14px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-title {
  font-weight: 800;
  font-size: 16px;
}

.footer-sub {
  font-size: 14px;
  opacity: 0.9;
}

.footer-link {
  color: #fff7c9;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-bottom {
  padding-top: 10px;
}

.footer-note {
  margin: 0;
  font-size: 13px;
  opacity: 0.92;
}

/* ===== Responsive ===== */
@media (max-width: 720px) {
  body {
    font-size: 17px;
  }
  .btn {
    min-width: 100%;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .choice {
    grid-template-columns: 1fr;
  }
}