:root {
  --page-bg: #f7f3ea;
  --card-bg: #ffffff;
  --item-bg: #fdfdf5;
  --item-border: #eee6d4;
  --text: #18140f;
  --muted: #5f5a52;
  --gold: #c0a060;
  --gold-dark: #7d6229;
  --gold-light: #f0d090;
  --green: #28a745;
  --green-dark: #168332;
  --green-light: #44c767;
  --gray: #565656;
  --gray-light: #f4f4f4;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", YuMincho, serif;
  background:
    radial-gradient(circle at top, rgba(240, 208, 144, 0.2), transparent 430px),
    var(--page-bg);
}

a {
  color: inherit;
}

.page-shell {
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 28px 16px;
}

.bonus-card,
.form-card {
  overflow: hidden;
  border-radius: 10px;
  background: var(--card-bg);
  box-shadow: 0 18px 45px rgba(61, 45, 18, 0.14);
}

.lp-header {
  padding: 30px 16px 24px;
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, #fffaf0 100%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  color: var(--gold-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.eyebrow::before,
.eyebrow::after {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}

.eyebrow::after {
  background: linear-gradient(90deg, var(--gold), transparent);
}

h1 {
  margin: 0;
  color: var(--text);
  font-size: clamp(26px, 7vw, 42px);
  line-height: 1.32;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.bonus-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 8px 16px 24px;
  list-style: none;
}

.bonus-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  min-height: 112px;
  padding: 16px;
  border: 1px solid var(--item-border);
  border-radius: 5px;
  background: var(--item-bg);
}

.bonus-number {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: #ffffff;
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
  border-radius: 50%;
  background: linear-gradient(145deg, #d2b878, var(--gold) 58%, #9b7d3e);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.38), 0 7px 16px rgba(137, 105, 44, 0.22);
}

.bonus-text h2 {
  margin: 0 0 7px;
  color: var(--text);
  font-size: clamp(17px, 4.5vw, 22px);
  line-height: 1.45;
  font-weight: 800;
}

.bonus-text p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(12px, 3.45vw, 15px);
  line-height: 1.7;
  font-weight: 400;
}

.lp-cta {
  padding: 2px 18px 34px;
  text-align: center;
}

.cta-button,
.submit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(100%, 520px);
  min-height: 68px;
  padding: 16px 22px;
  color: #ffffff;
  text-decoration: none;
  text-align: center;
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", YuMincho, serif;
  font-size: clamp(17px, 4.8vw, 23px);
  font-weight: 900;
  line-height: 1.35;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 10px;
  background: linear-gradient(180deg, var(--green-light) 0%, var(--green) 52%, var(--green-dark) 100%);
  box-shadow:
    0 12px 0 #0f6b27,
    0 20px 28px rgba(17, 105, 39, 0.26),
    inset 0 2px 0 rgba(255, 255, 255, 0.34);
}

.cta-button:focus-visible,
.submit-button:focus-visible {
  outline: 3px solid var(--gold-light);
  outline-offset: 4px;
}

.form-page {
  max-width: 720px;
}

.form-heading {
  padding: 22px 18px;
  color: #ffffff;
  text-align: center;
  font-size: clamp(21px, 5.5vw, 30px);
  background: linear-gradient(180deg, #666666 0%, var(--gray) 100%);
}

.form-body {
  padding: 24px 18px 34px;
}

.form-note {
  margin: 0 0 24px;
  color: #3f3f3f;
  font-size: clamp(15px, 4vw, 18px);
  line-height: 1.8;
}

.dummy-field {
  margin: 0 0 24px;
}

.field-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 10px;
  padding: 12px 0;
  border-top: 1px solid #eeeeee;
  border-bottom: 1px solid #eeeeee;
  background: var(--gray-light);
}

.field-label-row label {
  padding-left: 2px;
  color: #333333;
  font-size: 16px;
  font-weight: 800;
}

.field-label-row span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  min-height: 28px;
  padding: 4px 10px;
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
  border-radius: 6px;
  background: var(--gold);
}

.dummy-field input {
  width: 100%;
  height: 56px;
  padding: 0 16px;
  color: #777777;
  font: inherit;
  font-size: 17px;
  border: 1px solid #d5d5d5;
  border-radius: 5px;
  background: #ffffff;
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.05);
}

.dummy-field input::placeholder {
  color: #aaaaaa;
}

.submit-area {
  padding: 26px 0 18px;
  text-align: center;
}

.submit-button {
  width: min(100%, 420px);
  min-height: 64px;
  font-size: clamp(22px, 6vw, 30px);
}

.privacy-note {
  margin: 10px auto 0;
  max-width: 32em;
  color: var(--muted);
  text-align: center;
  font-size: 13px;
  line-height: 1.8;
}

@media (min-width: 720px) {
  .page-shell {
    padding: 56px 24px;
  }

  .lp-header {
    padding: 42px 24px 30px;
  }

  .bonus-list {
    gap: 20px;
    padding: 10px 34px 34px;
  }

  .bonus-item {
    grid-template-columns: 60px 1fr;
    gap: 20px;
    padding: 22px 24px;
  }

  .bonus-number {
    width: 56px;
    height: 56px;
    font-size: 25px;
  }

  .lp-cta {
    padding: 0 34px 42px;
  }

  .form-body {
    padding: 34px 34px 44px;
  }

  .dummy-field input {
    width: min(100%, 560px);
  }
}