:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #202124;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #03c75a;
  --accent-dark: #02b351;
  --required: #9096a2;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  --radius: 18px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: auto; }

.page-wrap {
  width: 100%;
  max-width: 840px;
  margin: 0 auto;
}

.card {
  background: var(--card);
  border: 1px solid rgba(17, 24, 39, 0.06);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  padding: 24px;
  margin-bottom: 18px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(3, 199, 90, 0.1);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.32;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.form-layout {
  display: grid;
  gap: 16px;
}

.question-block {
  overflow: hidden;
}

.image-block,
.form-block {
  padding: 22px;
}

.question-label {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--required);
}

.question-block h2 {
  margin: 0 0 10px;
  font-size: 23px;
  line-height: 1.4;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.question-block .num {
  margin-right: 4px;
}

.desc,
.form-block p {
  margin: 0 0 16px;
  font-size: 16px;
  color: #3d4653;
}

.image-link {
  display: block;
  border-radius: 14px;
  overflow: hidden;
  background: #f3f4f6;
  cursor: zoom-in;
}

.image-link img {
  transition: transform 0.25s ease, filter 0.25s ease;
}

.image-link:hover img {
  transform: scale(1.01);
  filter: saturate(1.02);
}

input[type="text"],
input[type="tel"] {
  width: 100%;
  height: 52px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 16px;
  font-size: 16px;
  color: var(--text);
  background: #fff;
  outline: none;
}

input[type="text"]:focus,
input[type="tel"]:focus {
  border-color: rgba(3, 199, 90, 0.7);
  box-shadow: 0 0 0 4px rgba(3, 199, 90, 0.12);
}

.consent-copy {
  margin: 14px 0 18px;
  padding: 18px;
  border-radius: 14px;
  background: #f9fafb;
  border: 1px solid var(--line);
}

.consent-copy h3 {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.45;
}

.consent-copy p {
  margin: 0 0 14px;
  font-size: 15px;
  color: #444c5b;
}

.consent-copy p:last-child {
  margin-bottom: 0;
}

.radio-group {
  display: grid;
  gap: 10px;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  color: #2f3744;
}

.radio-group input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.last-card {
  margin-bottom: 6px;
}

.sticky-submit {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  padding: 14px 16px 18px;
  background: linear-gradient(to top, rgba(245, 246, 248, 0.98), rgba(245, 246, 248, 0.88), rgba(245, 246, 248, 0));
}

.sticky-submit button {
  display: block;
  width: 100%;
  max-width: 840px;
  margin: 0 auto;
  height: 56px;
  border: 0;
  border-radius: 16px;
  background: var(--accent);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  cursor: pointer;
  box-shadow: 0 14px 32px rgba(3, 199, 90, 0.24);
}

.sticky-submit button:hover {
  background: var(--accent-dark);
}

@media (max-width: 640px) {
  .page-wrap {
    padding: 14px 10px 104px;
  }

  .hero,
  .image-block,
  .form-block {
    padding: 18px;
  }

  .hero h1,
  .question-block h2 {
    font-size: 21px;
  }

  .desc,
  .form-block p,
  .consent-copy p,
  .radio-group label,
  input[type="text"],
  input[type="tel"] {
    font-size: 15px;
  }
}
