/* ============================================
   補助金診断フォーム — LP埋め込み用
   プルダウン展開式・2段構え
   ============================================ */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Primary — Trust Blue */
  --c-primary-50:  #eef5ff;
  --c-primary-100: #d9e8ff;
  --c-primary-200: #bcd6ff;
  --c-primary-300: #8ebbff;
  --c-primary-400: #5996ff;
  --c-primary-500: #3371ff;
  --c-primary-600: #1a4ff5;
  --c-primary-700: #153de1;
  --c-primary-800: #1733b6;
  --c-primary-900: #19308f;

  /* Accent — Green / Success */
  --c-accent-50:  #ecfdf5;
  --c-accent-100: #d1fae5;
  --c-accent-200: #a7f3d0;
  --c-accent-400: #34d399;
  --c-accent-500: #10b981;
  --c-accent-600: #059669;
  --c-accent-700: #047857;
  --c-accent-800: #065f46;

  /* Warm — CTA Orange */
  --c-warm-400: #fb923c;
  --c-warm-500: #f97316;
  --c-warm-600: #ea580c;

  /* Neutral */
  --c-gray-50:  #f8fafc;
  --c-gray-100: #f1f5f9;
  --c-gray-200: #e2e8f0;
  --c-gray-300: #cbd5e1;
  --c-gray-400: #94a3b8;
  --c-gray-500: #64748b;
  --c-gray-600: #475569;
  --c-gray-700: #334155;
  --c-gray-800: #1e293b;
  --c-gray-900: #0f172a;

  /* Tokens */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,0.04);
  --shadow-md: 0 4px 16px rgba(15,23,42,0.07);
  --shadow-lg: 0 8px 32px rgba(15,23,42,0.10);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--c-gray-100);
  color: var(--c-gray-800);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   Section Container
   ============================================ */
.sim-section {
  padding: 32px 16px 64px;
}

.sim-container {
  max-width: 580px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ============================================
   Block — Each expandable section
   ============================================ */
.sim-block {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 28px 24px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
  transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.4s ease,
              margin 0.4s ease,
              padding 0.4s ease;
}

/* ---- Collapsed state ---- */
.sim-block.collapsed {
  max-height: 0 !important;
  opacity: 0;
  margin-bottom: 0;
  padding-top: 0;
  padding-bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

/* ---- Expanded state ---- */
.sim-block.expanded {
  max-height: 5000px;
  opacity: 1;
  pointer-events: auto;
  overflow: visible;
}

/* Initial block (always visible) */
#blockBasic {
  max-height: none;
  opacity: 1;
  overflow: visible;
}

/* ---- Block header ---- */
.sim-block-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}

.sim-block-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--c-primary-50);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--c-primary-500);
}

.sim-block-icon.icon-detail {
  background: var(--c-accent-50);
  color: var(--c-accent-600);
}

.sim-block-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-gray-900);
  line-height: 1.3;
}

.sim-block-sub {
  font-size: 13px;
  color: var(--c-gray-400);
  margin-top: 2px;
}

/* ============================================
   Fields — Progressive reveal
   ============================================ */
.field {
  margin-bottom: 22px;
  transition: max-height 0.45s ease, opacity 0.35s ease, margin 0.35s ease;
  max-height: 500px;
  opacity: 1;
}

.field.collapsed {
  max-height: 0;
  opacity: 0;
  margin-bottom: 0;
  overflow: hidden;
  pointer-events: none;
}

.field-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-gray-700);
  margin-bottom: 10px;
}

.field-icon {
  color: var(--c-gray-400);
  flex-shrink: 0;
}

.field-required {
  font-size: 10px;
  font-weight: 700;
  color: #dc2626;
  background: #fee2e2;
  padding: 2px 8px;
  border-radius: 100px;
  margin-left: 2px;
}

.field-hint {
  font-size: 12px;
  color: var(--c-gray-400);
  margin-top: 6px;
}

/* ============================================
   Input
   ============================================ */
.input-text {
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  font-family: var(--font);
  color: var(--c-gray-800);
  background: var(--c-gray-50);
  border: 2px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition);
}

.input-text:focus {
  border-color: var(--c-primary-400);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(51,113,255,0.08);
}

.input-text::placeholder {
  color: var(--c-gray-400);
}

.input-postal {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 3px;
}

/* Input with unit */
.input-unit {
  position: relative;
}

.input-unit .input-text {
  padding-right: 52px;
}

.unit-label {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-gray-400);
  pointer-events: none;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 22px;
}

.field-row .field {
  margin-bottom: 0;
}

/* ============================================
   Postal Feedback
   ============================================ */
.postal-feedback {
  min-height: 28px;
  margin-top: 8px;
}

.postal-feedback .loading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-gray-400);
}

.postal-feedback .spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--c-gray-200);
  border-top-color: var(--c-primary-500);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.postal-feedback .success {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-accent-700);
  background: var(--c-accent-50);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
}

.postal-feedback .success svg {
  flex-shrink: 0;
}

.postal-feedback .error {
  font-size: 13px;
  color: #dc2626;
}

/* ============================================
   Choice Buttons
   ============================================ */
.choices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}

.choices.compact {
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
}

.choice {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 10px;
  background: var(--c-gray-50);
  border: 2px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-gray-600);
  transition: var(--transition);
  position: relative;
}

.choice:hover {
  border-color: var(--c-primary-300);
  background: var(--c-primary-50);
  transform: translateY(-1px);
}

.choice.selected {
  border-color: var(--c-primary-500);
  background: var(--c-primary-50);
  color: var(--c-primary-700);
  box-shadow: 0 0 0 3px rgba(51,113,255,0.10);
}

.choice.selected::after {
  content: '';
  position: absolute;
  top: 6px;
  right: 6px;
  width: 18px;
  height: 18px;
  background: var(--c-primary-500);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
  animation: checkPop 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes checkPop {
  from { transform: scale(0); }
  to   { transform: scale(1); }
}

.choice-icon {
  color: var(--c-gray-400);
  transition: color var(--transition);
}

.choice.selected .choice-icon {
  color: var(--c-primary-600);
}

.choices.compact .choice {
  flex-direction: row;
  padding: 12px 14px;
  gap: 8px;
}

.choices.compact .choice .choice-icon {
  display: none;
}

/* ============================================
   Preview — Quick result after basic info
   ============================================ */
.sim-preview {
  border: 2px solid var(--c-accent-200);
  background: linear-gradient(135deg, #ecfdf5, #f0fdf4);
  position: relative;
}

.preview-glow {
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 4px;
  background: linear-gradient(90deg, var(--c-accent-400), var(--c-primary-400), var(--c-accent-400));
  background-size: 200% 100%;
  animation: glowSlide 3s ease-in-out infinite;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

@keyframes glowSlide {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.preview-inner {
  position: relative;
}

.preview-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.preview-check {
  color: var(--c-accent-500);
  flex-shrink: 0;
  margin-top: 2px;
}

.preview-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--c-accent-600);
  margin-bottom: 2px;
}

.preview-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-gray-900);
  line-height: 1.4;
}

/* Amount box */
.preview-amount-box {
  text-align: center;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--c-accent-200);
  border-radius: var(--radius-lg);
  padding: 24px 16px;
  margin-bottom: 16px;
}

.preview-amount-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--c-accent-700);
  margin-bottom: 8px;
}

.preview-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.preview-amount-val {
  font-size: 52px;
  font-weight: 800;
  color: var(--c-accent-800);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.preview-amount-unit {
  font-size: 20px;
  font-weight: 700;
  color: var(--c-accent-600);
}

.preview-amount-note {
  font-size: 12px;
  color: var(--c-gray-500);
  margin-top: 10px;
}

/* Program chips */
.preview-programs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.preview-program {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  animation: slideDown 0.35s ease both;
}

.preview-program:nth-child(2) { animation-delay: 0.08s; }
.preview-program:nth-child(3) { animation-delay: 0.16s; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.preview-program-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-gray-700);
}

.preview-program-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
}

.badge-high   { background: #dcfce7; color: #15803d; }
.badge-medium { background: #fef9c3; color: #a16207; }
.badge-low    { background: #fee2e2; color: #dc2626; }
.badge-check  { background: var(--c-gray-100); color: var(--c-gray-500); }

/* CTA area */
.preview-cta-area {
  text-align: center;
  padding-top: 8px;
  border-top: 1px dashed var(--c-accent-200);
}

.preview-cta-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-gray-600);
  margin-bottom: 8px;
}

.preview-arrow {
  color: var(--c-accent-500);
  animation: bounceDown 1.5s ease-in-out infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* ============================================
   Buttons
   ============================================ */
.btn-diagnose {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 18px;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--c-accent-500), var(--c-accent-600));
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  margin-top: 8px;
}

.btn-diagnose:hover {
  box-shadow: 0 4px 20px rgba(16,185,129,0.35);
  transform: translateY(-1px);
}

/* ============================================
   Result Panel
   ============================================ */
.sim-result {
  border: 2px solid var(--c-primary-200);
}

.result-header {
  text-align: center;
  margin-bottom: 24px;
}

.result-icon {
  color: var(--c-accent-500);
  margin-bottom: 8px;
  animation: popIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes popIn {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.result-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--c-gray-900);
}

.result-subtitle {
  font-size: 13px;
  color: var(--c-gray-400);
  margin-top: 4px;
}

/* Total */
.result-total {
  text-align: center;
  background: linear-gradient(135deg, var(--c-primary-50), #e8f0fe);
  border: 1px solid var(--c-primary-200);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  margin-bottom: 24px;
  animation: fadeUp 0.5s ease 0.15s both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.result-total-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary-600);
  margin-bottom: 8px;
}

.result-total-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
}

.total-prefix {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-primary-600);
}

.total-value {
  font-size: 56px;
  font-weight: 800;
  color: var(--c-primary-700);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.total-suffix {
  font-size: 22px;
  font-weight: 700;
  color: var(--c-primary-600);
}

/* Breakdown cards */
.result-breakdown {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.breakdown-card {
  background: var(--c-gray-50);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  animation: fadeUp 0.35s ease both;
}

.breakdown-card:nth-child(2) { animation-delay: 0.08s; }
.breakdown-card:nth-child(3) { animation-delay: 0.16s; }
.breakdown-card:nth-child(4) { animation-delay: 0.24s; }

.breakdown-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.breakdown-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-gray-800);
}

.breakdown-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
}

.breakdown-detail {
  font-size: 13px;
  color: var(--c-gray-500);
  line-height: 1.5;
}

.breakdown-amount {
  margin-top: 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--c-primary-600);
}

/* Disclaimer */
.result-disclaimer {
  display: flex;
  gap: 10px;
  background: var(--c-gray-50);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 24px;
}

.result-disclaimer svg {
  color: var(--c-gray-400);
  flex-shrink: 0;
  margin-top: 2px;
}

.result-disclaimer p {
  font-size: 11px;
  color: var(--c-gray-400);
  line-height: 1.6;
}

/* CTA */
.result-cta {
  text-align: center;
  margin-bottom: 16px;
}

.result-cta-lead {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-gray-600);
  margin-bottom: 14px;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 20px;
  font-family: var(--font);
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--c-warm-500), #ef4444);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.25);
  animation: pulse 2.5s ease-in-out infinite;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(239, 68, 68, 0.4);
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(239,68,68,0.25); }
  50% { box-shadow: 0 4px 28px rgba(239,68,68,0.45); }
}

.result-cta-note {
  margin-top: 10px;
  font-size: 12px;
  color: var(--c-gray-400);
}

/* Reset */
.btn-reset {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-gray-500);
  background: transparent;
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.btn-reset:hover {
  background: var(--c-gray-50);
  border-color: var(--c-gray-300);
  color: var(--c-gray-700);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 600px) {
  .sim-section {
    padding: 16px 12px 48px;
  }

  .sim-block {
    padding: 22px 18px;
    border-radius: var(--radius-lg);
  }

  .choices {
    grid-template-columns: 1fr;
  }

  .choices.compact {
    grid-template-columns: 1fr 1fr;
  }

  .field-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .preview-amount-val {
    font-size: 42px;
  }

  .total-value {
    font-size: 44px;
  }

  .input-postal {
    font-size: 18px;
  }
}

@media (max-width: 380px) {
  .choices.compact {
    grid-template-columns: 1fr;
  }

  .preview-header {
    flex-direction: column;
    gap: 10px;
  }
}