:root {
  --bg: #ffffff;
  --bg-soft: #f5f9f8;
  --bg-card: #ffffff;
  --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;

  --red: #ff5757;
  --red-bg: #ffe5e5;

  --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-soft);
  color: var(--ink);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
  min-height: 100vh;
}

/* ===== Demo Switcher ===== */
.demo-switcher {
  background: #e8ecea;
  color: var(--ink-soft);
  padding: 12px 16px;
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 12px;
  border-bottom: 1px solid var(--line);
}
.demo-label {
  font-weight: 700;
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
}
.demo-tab {
  background: white;
  color: var(--ink-soft);
  border: 1.5px solid var(--line);
  padding: 8px 14px;
  border-radius: 100px;
  font-family: inherit;
  font-weight: 700;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.demo-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}
.demo-tab:hover:not(.active) {
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== Simple Header ===== */
.simple-header {
  background: white;
  border-bottom: 1px solid var(--line-soft);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 80;
}
.logo {
  font-size: 20px;
  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: 36px; height: 36px;
  background: var(--primary);
  border-radius: 11px;
  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: 7px; height: 7px;
  top: 11px;
}
.logo-mark::before { left: 10px; }
.logo-mark::after { right: 10px; }
.logo-mouth {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 11px;
  height: 5px;
  border-bottom: 2.5px solid white;
  border-radius: 0 0 11px 11px;
}
.secure-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--ink-soft);
  font-weight: 700;
  background: var(--bg-soft);
  padding: 6px 12px;
  border-radius: 100px;
}
.secure-badge .icon { color: var(--primary); font-size: 13px; }

/* ===== Progress Bar ===== */
.progress-section {
  background: white;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line-soft);
}
.progress-inner {
  max-width: 720px;
  margin: 0 auto;
}
.progress-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  position: relative;
}
.progress-steps::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--line);
  z-index: 0;
}
.progress-fill-line {
  position: absolute;
  top: 14px;
  left: 14px;
  height: 2px;
  background: var(--primary);
  z-index: 1;
  transition: width 0.4s ease;
}
.progress-step {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 1;
}
.progress-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: white;
  border: 2px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-mute);
  transition: all 0.2s;
}
.progress-step.active .progress-circle {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}
.progress-step.completed .progress-circle {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}
.progress-step-label {
  font-size: 10px;
  color: var(--ink-mute);
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
}
.progress-step.active .progress-step-label,
.progress-step.completed .progress-step-label {
  color: var(--ink);
}

/* ===== Main ===== */
.main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* Step content */
.step-content { display: none; }
.step-content.active {
  display: block;
  animation: fadeIn 0.3s ease-out;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Section Card ===== */
.section-card {
  background: white;
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 16px;
  border: 1.5px solid var(--line-soft);
}
.section-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-card-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;
}

.step-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
  text-align: center;
  letter-spacing: 0.01em;
}
.step-title.center { text-align: center; }
.step-desc {
  font-size: 13px;
  color: var(--ink-soft);
  text-align: center;
  margin-bottom: 24px;
  line-height: 1.85;
  font-weight: 400;
}

/* ===== Counselor + Plan summary ===== */
.summary-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px;
  background: var(--bg-soft);
  border-radius: 12px;
  margin-bottom: 16px;
}
.summary-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  flex-shrink: 0;
}
.summary-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.summary-info {
  flex: 1;
  min-width: 0;
}
.summary-counselor {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 2px;
}
.summary-plan {
  font-size: 12px;
  color: var(--ink-soft);
  font-weight: 700;
}

/* ===== Price breakdown ===== */
.price-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}
.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 700;
}
.price-row.discount {
  color: var(--orange-deep);
}
.price-row .label {}
.price-row .value {
  font-weight: 700;
  color: var(--ink);
}
.price-row.discount .value { color: var(--orange-deep); }

.price-divider {
  height: 1px;
  background: var(--line);
  margin: 4px 0;
}

.price-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 8px;
}
.price-total-label {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}
.price-total-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
  font-family: 'Quicksand', sans-serif;
  letter-spacing: 0.01em;
}
.price-total-value .yen {
  font-size: 18px;
  color: var(--ink-mute);
  margin-right: 2px;
}
.price-total-value .tax {
  font-size: 11px;
  color: var(--ink-mute);
  font-weight: 700;
  margin-left: 6px;
  font-family: 'LINE Seed JP', sans-serif;
}

/* ===== Coupon ===== */
.coupon-section {
  background: var(--orange-bg);
  border: 1.5px dashed var(--orange);
  border-radius: 12px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.coupon-section.applied {
  background: var(--green-bg);
  border-color: var(--green);
  border-style: solid;
}
.coupon-icon {
  font-size: 24px;
  flex-shrink: 0;
}
.coupon-info {
  flex: 1;
  min-width: 0;
}
.coupon-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--orange-deep);
  margin-bottom: 2px;
}
.coupon-section.applied .coupon-label { color: var(--green-deep); }
.coupon-text {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}
.coupon-section.applied .coupon-text {
  color: var(--green-deep);
}
.coupon-toggle {
  flex-shrink: 0;
}
.coupon-toggle input { display: none; }
.coupon-toggle label {
  position: relative;
  display: block;
  width: 44px;
  height: 24px;
  background: var(--line);
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s;
}
.coupon-toggle label::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: all 0.2s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
.coupon-toggle input:checked + label { background: var(--primary); }
.coupon-toggle input:checked + label::after { left: 22px; }

/* ===== Action buttons ===== */
.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 24px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
  font-family: inherit;
  width: 100%;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(6, 199, 85, 0.3);
}
.btn-primary:hover {
  background: var(--primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(6, 199, 85, 0.4);
}
.btn-primary:disabled {
  background: var(--line);
  color: var(--ink-mute);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}
.btn-back {
  background: white;
  border: 1.5px solid var(--line);
  color: var(--ink-soft);
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 700;
}
.btn-back:hover { border-color: var(--ink-mute); color: var(--ink); }

/* ===== Payment methods ===== */
.payment-methods {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.payment-method {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 2px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
  background: white;
  position: relative;
}
.payment-method:hover {
  border-color: var(--primary);
}
.payment-method.selected {
  border-color: var(--primary);
  background: var(--green-bg);
}
.payment-method.selected::after {
  content: '✓';
  position: absolute;
  top: 16px;
  right: 16px;
  width: 22px;
  height: 22px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}
.pm-icon {
  width: 44px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.pm-icon.card { background: linear-gradient(135deg, #4a90e2, #2c5aa0); color: white; font-weight: 700; font-family: 'Quicksand', sans-serif; }
.pm-icon.paypay { background: #ff0033; color: white; font-weight: 700; font-size: 11px; }
.pm-icon.linepay { background: var(--green); color: white; font-weight: 700; font-family: 'Quicksand', sans-serif; font-size: 11px; }
.pm-icon.applepay { background: #000; color: white; font-weight: 700; font-size: 11px; }
.pm-icon.conveni { background: var(--orange-pale); }
.pm-info {
  flex: 1;
  min-width: 0;
}
.pm-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 2px;
}
.pm-meta {
  font-size: 11px;
  color: var(--ink-mute);
  font-weight: 700;
}

/* ===== Saved cards ===== */
.saved-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}
.saved-card {
  background: var(--bg-soft);
  border: 2px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}
.saved-card:hover { border-color: var(--primary); }
.saved-card.selected {
  border-color: var(--primary);
  background: var(--green-bg);
}
.saved-card.selected::after {
  content: '✓';
  position: absolute;
  right: 14px;
  width: 22px;
  height: 22px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}
.saved-card-brand {
  width: 40px;
  height: 28px;
  background: linear-gradient(135deg, #4a90e2, #2c5aa0);
  color: white;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  font-family: 'Quicksand', sans-serif;
  flex-shrink: 0;
}
.saved-card-brand.master {
  background: linear-gradient(135deg, #eb001b, #f79e1b);
}
.saved-card-info { flex: 1; }
.saved-card-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  font-family: 'Quicksand', sans-serif;
  letter-spacing: 0.04em;
}
.saved-card-meta {
  font-size: 10px;
  color: var(--ink-mute);
  font-weight: 700;
  margin-top: 2px;
}

/* Card form */
.card-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
}
.form-label .required { color: var(--orange); margin-left: 4px; font-size: 10px; }
.form-input {
  background: var(--bg-soft);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: 'Quicksand', 'LINE Seed JP', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: all 0.2s;
  letter-spacing: 0.04em;
}
.form-input:focus {
  background: white;
  border-color: var(--primary);
}
.form-input::placeholder {
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.form-helper {
  font-size: 11px;
  color: var(--ink-mute);
  font-weight: 400;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}
.save-card-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-soft);
  border-radius: 10px;
  margin-top: 4px;
}
.save-card-toggle input { display: none; }
.save-card-toggle label {
  font-size: 12px;
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}
.save-card-toggle label::before {
  content: '';
  width: 18px;
  height: 18px;
  border: 2px solid var(--line);
  border-radius: 4px;
  background: white;
  transition: all 0.2s;
  flex-shrink: 0;
}
.save-card-toggle input: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;
}

/* ===== Confirm step ===== */
.confirm-section {
  background: var(--bg-soft);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 16px;
}
.confirm-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}
.confirm-row:last-child { border-bottom: none; padding-bottom: 0; }
.confirm-row:first-child { padding-top: 0; }
.confirm-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-mute);
  flex-shrink: 0;
  width: 100px;
}
.confirm-value {
  font-size: 13px;
  color: var(--ink);
  font-weight: 700;
  text-align: right;
  flex: 1;
}

.terms-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px;
  background: var(--bg-soft);
  border-radius: 12px;
  margin-bottom: 16px;
}
.terms-check input { display: none; }
.terms-check label {
  font-size: 12px;
  color: var(--ink-soft);
  font-weight: 400;
  line-height: 1.7;
  cursor: pointer;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  flex: 1;
}
.terms-check label::before {
  content: '';
  width: 18px;
  height: 18px;
  border: 2px solid var(--line);
  border-radius: 4px;
  background: white;
  transition: all 0.2s;
  flex-shrink: 0;
  margin-top: 1px;
}
.terms-check input: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-check label a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
}
.terms-check label a:hover { text-decoration: underline; }

/* ===== Loading step ===== */
.loading-screen {
  text-align: center;
  padding: 60px 20px;
}
.loading-spinner {
  width: 64px;
  height: 64px;
  border: 5px solid var(--line);
  border-top-color: var(--primary);
  border-radius: 50%;
  margin: 0 auto 24px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.loading-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}
.loading-desc {
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 400;
  line-height: 1.85;
}

/* ===== Success step ===== */
.success-screen {
  text-align: center;
  padding: 40px 20px;
}
.success-icon {
  width: 88px;
  height: 88px;
  background: var(--green-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
}
.success-icon::before {
  content: '✓';
  font-size: 44px;
  color: var(--primary);
  font-weight: 700;
  animation: successPop 0.5s ease-out 0.1s backwards;
}
@keyframes successPop {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.success-icon::after {
  content: '';
  position: absolute;
  inset: -8px;
  border: 3px solid var(--primary-pale);
  border-radius: 50%;
  animation: ripple 1.5s ease-out infinite;
}
@keyframes ripple {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}
.success-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}
.success-title .accent { color: var(--primary); }
.success-desc {
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 400;
  line-height: 1.85;
  margin-bottom: 24px;
}

.success-summary {
  background: var(--bg-soft);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 24px;
  text-align: left;
}
.success-summary-title {
  font-size: 12px;
  color: var(--ink-mute);
  font-weight: 700;
  margin-bottom: 12px;
}
.success-summary-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 13px;
  font-weight: 700;
}
.success-summary-row .label { color: var(--ink-soft); }
.success-summary-row .value { color: var(--ink); }
.success-summary-row.total {
  border-top: 1px solid var(--line);
  margin-top: 8px;
  padding-top: 14px;
  font-size: 15px;
}
.success-summary-row.total .value { color: var(--primary-deep); font-size: 18px; }

.next-steps {
  background: var(--green-bg);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 24px;
  text-align: left;
}
.next-steps-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--green-deep);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.next-steps-list {
  list-style: none;
  font-size: 12px;
  color: var(--ink);
  font-weight: 400;
  line-height: 1.85;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.next-steps-list li {
  display: flex;
  gap: 8px;
}
.next-steps-list li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== Footer ===== */
.payment-footer {
  background: white;
  border-top: 1px solid var(--line);
  padding: 24px;
  text-align: center;
  font-size: 11px;
  color: var(--ink-mute);
  font-weight: 400;
  margin-top: 40px;
}
.payment-footer-trust {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.payment-footer-trust span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  color: var(--ink-soft);
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .simple-header { padding: 14px 16px; }
  .logo { font-size: 16px; }
  .secure-badge { font-size: 10px; padding: 5px 10px; }
  .secure-badge span:not(.icon) { display: none; }
  .progress-section { padding: 16px; }
  .progress-step-label { font-size: 9px; }
  .main { padding: 24px 16px; }
  .section-card { padding: 20px; border-radius: 14px; }
  .step-title { font-size: 20px; }
  .price-total-value { font-size: 26px; }
  .form-row { grid-template-columns: 1fr; }
  .demo-tab { padding: 7px 12px; font-size: 10px; }
  .demo-label { font-size: 10px; }
  .summary-card { padding: 14px; }
  .confirm-row { flex-direction: column; gap: 4px; }
  .confirm-value { text-align: left; }
  .confirm-label { width: auto; }
  .success-title { font-size: 20px; }
}

/* ===== Notice list（ご利用にあたって） ===== */
.notice-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.notice-list li {
  display: flex;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 400;
  line-height: 1.85;
  padding: 10px 14px;
  background: var(--bg-soft);
  border-radius: 10px;
}
.notice-list li::before {
  content: 'ℹ️';
  flex-shrink: 0;
  font-size: 14px;
  line-height: 1.4;
}

/* ===== Stripe決済ボタン ===== */
.btn-stripe {
  background: linear-gradient(135deg, var(--green), var(--green-deep));
  position: relative;
  font-size: 16px;
  padding: 18px 24px;
}
.btn-stripe .stripe-lock {
  font-size: 14px;
}

/* ===== Stripeトラスト ===== */
.stripe-trust {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--bg-soft);
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.stripe-trust-icon {
  font-size: 20px;
  flex-shrink: 0;
}
.stripe-trust-text {
  font-size: 11px;
  color: var(--ink-soft);
  line-height: 1.7;
  font-weight: 400;
}
.stripe-trust-text strong {
  color: var(--ink);
  font-weight: 700;
}