:root {
  --bg: #ffffff;
  --bg-soft: #f5f9f8;
  --ink: #2a3534;
  --ink-soft: #5a6766;
  --ink-mute: #8a9694;
  --line: #e5ebe9;
  --line-soft: #f0f4f2;

  --green: #06c755;
  --green-deep: #04a648;
  --green-pale: #d6f4e0;
  --green-bg: #eaf7ef;

  --blue: #4dc4ff;
  --blue-deep: #2ba8e8;
  --blue-pale: #d6eefb;
  --blue-bg: #eaf5fc;

  --orange: #ff8c42;
  --orange-deep: #ed6f1f;
  --orange-pale: #ffe0cc;
  --orange-bg: #fff2e8;

  --yellow: #ffc83d;
  --yellow-deep: #f5b800;
  --yellow-pale: #fff0c2;
  --yellow-bg: #fff8e0;

  --primary: var(--green);
  --primary-deep: var(--green-deep);
  --primary-pale: var(--green-pale);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'LINE Seed JP', sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-weight: 400;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: 'Quicksand', sans-serif;
  letter-spacing: 0.05em;
}
.logo-mark {
  width: 38px; height: 38px;
  background: var(--primary);
  border-radius: 12px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(6, 199, 85, 0.3);
}
.logo-mark::before,
.logo-mark::after {
  content: '';
  position: absolute;
  background: white;
  border-radius: 50%;
  width: 8px; height: 8px;
  top: 12px;
}
.logo-mark::before { left: 11px; }
.logo-mark::after { right: 11px; }
.logo-mouth {
  position: absolute;
  bottom: 11px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 6px;
  border-bottom: 2.5px solid white;
  border-radius: 0 0 12px 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
  font-family: inherit;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(6, 199, 85, 0.25);
}
.btn-primary:hover {
  background: var(--primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(6, 199, 85, 0.35);
}
.btn-outline {
  background: #fff;
  color: var(--ink);
  border: 2px solid var(--line);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-large {
  padding: 18px 36px;
  font-size: 16px;
  border-radius: 14px;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--green-bg) 0%, var(--blue-bg) 100%);
  padding: 80px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.6), transparent 70%);
  border-radius: 50%;
  top: -100px;
  right: -50px;
}
.hero::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 200, 61, 0.3), transparent 70%);
  border-radius: 50%;
  bottom: -50px;
  left: 10%;
}
.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: white;
  color: var(--primary-deep);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
.hero-title {
  font-size: 44px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.hero-title .accent { color: var(--primary); }
.hero-title .underline {
  background: linear-gradient(transparent 60%, var(--yellow-pale) 60%);
  padding: 0 4px;
}
.hero-subtitle {
  font-size: 16px;
  color: var(--ink-soft);
  font-weight: 400;
  line-height: 1.85;
  margin-bottom: 40px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
}
.hero-stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  font-family: 'Quicksand', sans-serif;
  line-height: 1.2;
}
.hero-stat-label {
  font-size: 11px;
  color: var(--ink-mute);
  font-weight: 700;
  margin-top: 4px;
}

/* ===== Section ===== */
section {
  padding: 80px 32px;
}
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.section-title .accent { color: var(--primary); }
.section-subtitle {
  font-size: 14px;
  color: var(--ink-soft);
  text-align: center;
  margin-bottom: 48px;
  font-weight: 400;
  line-height: 1.85;
}

/* ===== Benefits ===== */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.benefit-card {
  background: white;
  border: 1.5px solid var(--line-soft);
  border-radius: 18px;
  padding: 32px 28px;
  text-align: center;
  transition: all 0.25s;
}
.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
  border-color: var(--primary);
}
.benefit-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 16px;
}
.benefit-icon.green { background: var(--green-bg); }
.benefit-icon.orange { background: var(--orange-bg); }
.benefit-icon.blue { background: var(--blue-bg); }
.benefit-icon.yellow { background: var(--yellow-bg); }
.benefit-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}
.benefit-desc {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.85;
  font-weight: 400;
}

/* ===== Income Example ===== */
.income-section {
  background: linear-gradient(135deg, var(--green-bg), var(--yellow-bg));
}
.income-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.income-card {
  background: white;
  border-radius: 18px;
  padding: 28px;
  text-align: center;
  position: relative;
}
.income-card.recommended {
  border: 2px solid var(--primary);
  transform: scale(1.05);
}
.income-card.recommended::before {
  content: '⭐ おすすめ';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
}
.income-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.income-card-amount {
  font-size: 36px;
  font-weight: 700;
  color: var(--ink);
  font-family: 'Quicksand', sans-serif;
  letter-spacing: 0.01em;
  line-height: 1.2;
}
.income-card-amount .yen {
  font-size: 18px;
  color: var(--ink-mute);
  margin-right: 2px;
}
.income-card-amount .unit {
  font-size: 14px;
  color: var(--ink-mute);
  font-weight: 700;
  margin-left: 4px;
  font-family: 'LINE Seed JP', sans-serif;
}
.income-card-meta {
  font-size: 12px;
  color: var(--ink-soft);
  font-weight: 700;
  margin-top: 12px;
  line-height: 1.85;
}
.income-note {
  text-align: center;
  font-size: 11px;
  color: var(--ink-mute);
  margin-top: 24px;
  font-weight: 400;
  line-height: 1.85;
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--bg-soft);
  border-radius: 18px;
  padding: 28px;
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-family: Georgia, serif;
  font-size: 80px;
  color: var(--primary);
  opacity: 0.3;
  line-height: 1;
}
.testimonial-quote {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.95;
  margin-bottom: 20px;
  font-weight: 400;
  position: relative;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  flex-shrink: 0;
}
.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.testimonial-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}
.testimonial-meta {
  font-size: 11px;
  color: var(--ink-mute);
  font-weight: 700;
  margin-top: 2px;
}

/* ===== Form ===== */
.form-section {
  background: var(--bg-soft);
}
.form-card {
  max-width: 720px;
  margin: 0 auto;
  background: white;
  border-radius: 20px;
  padding: 48px;
  border: 1.5px solid var(--line-soft);
}
.form-step-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 32px;
  align-items: center;
}
.form-step {
  flex: 1;
  height: 6px;
  background: var(--line);
  border-radius: 100px;
  transition: background 0.3s;
}
.form-step.active { background: var(--primary); }
.form-step-label {
  font-size: 11px;
  color: var(--ink-mute);
  font-weight: 700;
  text-align: center;
  margin-top: 8px;
}

.form-section-block {
  margin-bottom: 32px;
}
.form-section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary);
}
.form-section-title .num {
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Quicksand', sans-serif;
  font-size: 13px;
  font-weight: 700;
}

.form-group {
  margin-bottom: 18px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}
.form-label .required {
  color: var(--orange);
  font-size: 10px;
  margin-left: 6px;
  background: var(--orange-bg);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
}
.form-label .optional {
  color: var(--ink-mute);
  font-size: 10px;
  margin-left: 6px;
  font-weight: 400;
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--bg-soft);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: inherit;
  font-weight: 400;
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: all 0.2s;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  background: white;
  border-color: var(--primary);
}
.form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.7;
}
.form-helper {
  font-size: 11px;
  color: var(--ink-mute);
  font-weight: 400;
  margin-top: 6px;
  line-height: 1.7;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.checkbox-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-soft);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
}
.checkbox-item:hover { border-color: var(--primary); }
.checkbox-item input { display: none; }
.checkbox-item input:checked + label { color: var(--primary-deep); font-weight: 700; }
.checkbox-item.checked {
  background: var(--green-bg);
  border-color: var(--primary);
}
.checkbox-item label {
  flex: 1;
  font-size: 13px;
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
}
.checkbox-item label::before {
  content: '';
  width: 18px;
  height: 18px;
  border: 2px solid var(--line);
  border-radius: 4px;
  background: white;
  flex-shrink: 0;
  transition: all 0.2s;
}
.checkbox-item.checked label::before {
  background: var(--primary);
  border-color: var(--primary);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='white'><path d='M6 11.5L2.5 8l-1 1L6 13.5 14.5 5l-1-1z'/></svg>");
  background-size: 14px;
  background-repeat: no-repeat;
  background-position: center;
}

.upload-area {
  border: 2px dashed var(--line);
  border-radius: 12px;
  padding: 32px 20px;
  text-align: center;
  background: var(--bg-soft);
  cursor: pointer;
  transition: all 0.2s;
}
.upload-area:hover {
  border-color: var(--primary);
  background: var(--green-bg);
}
.upload-icon {
  font-size: 32px;
  margin-bottom: 8px;
}
.upload-text {
  font-size: 13px;
  color: var(--ink);
  font-weight: 700;
  margin-bottom: 4px;
}
.upload-meta {
  font-size: 11px;
  color: var(--ink-mute);
  font-weight: 400;
}

.terms-block {
  background: var(--bg-soft);
  padding: 18px;
  border-radius: 12px;
  margin-bottom: 20px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.terms-block input { display: none; }
.terms-block label {
  flex: 1;
  font-size: 12px;
  color: var(--ink);
  line-height: 1.85;
  font-weight: 400;
  cursor: pointer;
  display: flex;
  gap: 10px;
}
.terms-block label::before {
  content: '';
  width: 20px;
  height: 20px;
  border: 2px solid var(--line);
  border-radius: 4px;
  background: white;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all 0.2s;
}
.terms-block.checked label::before {
  background: var(--primary);
  border-color: var(--primary);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='white'><path d='M6 11.5L2.5 8l-1 1L6 13.5 14.5 5l-1-1z'/></svg>");
  background-size: 14px;
  background-repeat: no-repeat;
  background-position: center;
}
.terms-block label a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
}
.terms-block label a:hover { text-decoration: underline; }

.submit-button {
  width: 100%;
  background: var(--primary);
  color: white;
  border: none;
  padding: 18px;
  border-radius: 14px;
  font-family: inherit;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(6, 199, 85, 0.3);
}
.submit-button:hover {
  background: var(--primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 199, 85, 0.4);
}
.submit-button:disabled {
  background: var(--line);
  color: var(--ink-mute);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: white;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.2s;
}
.faq-item.open {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(6, 199, 85, 0.1);
}
.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}
.faq-question::before {
  content: 'Q';
  background: var(--primary);
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Quicksand', sans-serif;
  font-size: 14px;
  flex-shrink: 0;
}
.faq-question::after {
  content: '+';
  margin-left: auto;
  font-size: 22px;
  color: var(--ink-mute);
  font-weight: 700;
  transition: transform 0.3s;
}
.faq-item.open .faq-question::after {
  content: '−';
  transform: rotate(0deg);
  color: var(--primary);
}
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.95;
  font-weight: 400;
}
.faq-item.open .faq-answer {
  padding: 0 24px 20px 64px;
  max-height: 500px;
}

/* ===== Final CTA ===== */
.final-cta {
  background: linear-gradient(135deg, var(--primary), var(--green-deep));
  text-align: center;
  color: white;
  padding: 80px 32px;
}
.final-cta-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.final-cta-desc {
  font-size: 15px;
  opacity: 0.95;
  margin-bottom: 32px;
  font-weight: 400;
  line-height: 1.85;
}
.final-cta .btn {
  background: white;
  color: var(--primary-deep);
  padding: 18px 40px;
  font-size: 16px;
}
.final-cta .btn:hover {
  background: var(--bg-soft);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
footer {
  background: white;
  border-top: 1px solid var(--line);
  padding: 32px;
  text-align: center;
  font-size: 12px;
  color: var(--ink-mute);
  font-weight: 400;
}
footer a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 700;
  margin: 0 8px;
}
footer a:hover { color: var(--primary); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .income-grid { grid-template-columns: 1fr; }
  .income-card.recommended { transform: none; }
  .testimonials-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .header-inner { padding: 14px 16px; gap: 8px; }
  .logo { font-size: 18px; }
  .logo-mark { width: 32px; height: 32px; border-radius: 10px; }
  .logo-mark::before { left: 9px; top: 10px; width: 7px; height: 7px; }
  .logo-mark::after { right: 9px; top: 10px; width: 7px; height: 7px; }
  .logo-mouth { bottom: 9px; width: 10px; height: 5px; }
  .header-inner .btn { padding: 10px 14px; font-size: 12px; white-space: nowrap; }
  .hero { padding: 60px 20px; }
  .hero-title { font-size: 28px; }
  .hero-subtitle { font-size: 14px; }
  .hero-stats { gap: 24px; }
  .hero-stat-value { font-size: 24px; }
  .btn-large { padding: 14px 24px; font-size: 14px; }
  section { padding: 56px 20px; }
  .section-title { font-size: 24px; }
  .benefits-grid { grid-template-columns: 1fr; gap: 14px; }
  .benefit-card { padding: 24px 22px; }
  .form-card { padding: 28px 22px; border-radius: 14px; }
  .form-row { grid-template-columns: 1fr; }
  .checkbox-grid { grid-template-columns: 1fr; }
  .final-cta-title { font-size: 24px; }
  .final-cta { padding: 56px 20px; }
}