.contact-form {
  color: #111;
  font-weight: 300;
  font-family: "Noto Sans JP", sans-serif;
}

.rt-contact-section {
  padding: 80px 20px;
  background: radial-gradient(circle at top, #1d2430 0%, #0f1115 55%, #0b0d11 100%);
}

.rt-contact-wrap {
  width: min(1100px, 100%);
  margin: 0 auto;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .7);
  border-radius: 30px;
  padding: clamp(24px, 4vw, 52px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .18), 0 1px 0 rgba(255, 255, 255, .5) inset;
}

.rt-contact-head {
  text-align: center;
  margin-bottom: 30px;
}

.rt-contact-label {
  margin: 0 0 10px;
  color: #ff6b00;
  font-weight: 800;
  letter-spacing: .18em;
  font-size: 13px;
}

.rt-contact-head h2 {
  margin: 0 0 14px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.2;
  color: #111;
  font-weight: 300;
  font-family: "Noto Sans JP", sans-serif;
}

.rt-contact-lead {
  margin: 0;
  color: #555;
  line-height: 1.9;
  font-size: 16px;
}

.rt-contact-tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 0 0 30px;
}

.rt-tab {
  border: 1px solid #e4e8ef;
  border-radius: 999px;
  padding: 14px 22px;
  background: #f7f9fc;
  color: #222;
  font-weight: 700;
  cursor: pointer;
  transition: .2s ease;
}

.rt-tab.is-active {
  background: linear-gradient(135deg, #ff6b00 0%, #ff8a00 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 14px 28px rgba(255, 107, 0, .25);
}

.rt-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.rt-field {
  display: flex;
  flex-direction: column;
}

.rt-field-full {
  grid-column: 1 / -1;
}

.rt-field label {
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 700;
  color: #111;
  font-family: "Noto Sans JP", sans-serif;
}

.rt-field label span {
  color: #ff6b00;
  font-size: 12px;
  margin-left: 6px;
}

.rt-field input,
.rt-field select,
.rt-field textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #dbe2eb;
  border-radius: 16px;
  background: #fbfcfe;
  padding: 15px 16px;
  font-size: 15px;
  color: #222;
  outline: none;
  transition: .2s ease;
}

.rt-field input:focus,
.rt-field select:focus,
.rt-field textarea:focus {
  border-color: #ff6b00;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(255, 107, 0, .12);
}

.rt-field textarea {
  min-height: 170px;
  resize: vertical;
}

.rt-help {
  margin: 8px 0 0;
  font-size: 12px;
  color: #777;
}

.rt-check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 500 !important;
}

.rt-check input {
  width: 18px;
  height: 18px;
  accent-color: #ff6b00;
}

.rt-submit-wrap {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.rt-submit-btn,
.rt-back-btn {
  min-width: 220px;
  border: none;
  border-radius: 999px;
  padding: 16px 28px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
}

.rt-submit-btn {
  margin: 0 auto;
}

.rt-submit-btn {
  margin: 0 auto;
  background: linear-gradient(135deg, #f06000 0%, #fc641e 100%);
  color: #fff;
  box-shadow: 0 16px 30px rgba(0, 0, 0, .18);
  position: relative;
}

.rt-submit-btn.is-loading {
  opacity: .85;
  pointer-events: none;
}

.rt-back-btn {
  background: #eef2f7;
  color: #222;
}

.rt-error-box {
  margin: 0 0 24px;
  padding: 16px 18px;
  border-radius: 18px;
  background: #fff3f3;
  border: 1px solid #f1c7c7;
  color: #b42318;
}

.rt-error-box p {
  margin: 0 0 10px;
  font-weight: 700;
}

.rt-error-box ul {
  margin: 0;
  padding-left: 20px;
}

.rt-confirm-premium {
  margin-top: 8px;
}

.rt-confirm-premium-head {
  text-align: center;
  margin-bottom: 24px;
}

.rt-confirm-kicker {
  margin: 0 0 8px;
  color: #ff6b00;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .18em;
}

.rt-confirm-premium-head h3 {
  margin: 0 0 10px;
  font-size: clamp(28px, 3vw, 38px);
  color: #111;
}

.rt-confirm-premium-head p {
  margin: 0;
  color: #666;
}

.rt-confirm-card {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  padding: 28px;
  background: linear-gradient(145deg, rgba(255, 255, 255, .98), rgba(246, 248, 252, .98));
  border: 1px solid #e6ebf2;
  box-shadow: 0 18px 50px rgba(17, 17, 17, .08), inset 0 1px 0 rgba(255, 255, 255, .8);
}

.rt-confirm-type-badge {
  display: inline-block;
  margin-bottom: 22px;
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff6b00 0%, #ff8a00 100%);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.rt-confirm-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.rt-confirm-item {
  padding: 16px 18px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid #edf1f6;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .03);
}

.rt-confirm-item-full {
  grid-column: 1 / -1;
}

.rt-confirm-label {
  display: block;
  margin-bottom: 8px;
  color: #7a8597;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.rt-confirm-value {
  color: #111;
  line-height: 1.8;
  font-weight: 600;
  word-break: break-word;
}

.rt-confirm-message {
  white-space: pre-wrap;
}

.rt-confirm-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 28px;
  flex-wrap: wrap;
}

.rt-hp-field {
  position: absolute !important;
  left: -9999px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.rt-thanks-section {
  padding: 80px 20px;
  background: linear-gradient(180deg, #0f1115 0%, #171b22 100%);
}

.rt-thanks-box {
  width: min(760px, 100%);
  margin: 0 auto;
  background: #fff;
  border-radius: 28px;
  padding: 48px 24px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .16);
}

.rt-thanks-kicker {
  margin: 0 0 10px;
  color: #ff6b00;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
}

.rt-thanks-box h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 40px);
  color: #111;
}

.rt-thanks-box p {
  margin: 0;
  color: #555;
  line-height: 1.9;
}

.rt-thanks-btn {
  display: inline-block;
  margin-top: 28px;
  padding: 14px 24px;
  border-radius: 999px;
  background: #111;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

@media (max-width: 768px) {
  .rt-contact-section {
    padding: 56px 16px;
  }

  .rt-contact-wrap {
    border-radius: 22px;
    padding: 24px 16px;
  }

  .rt-grid,
  .rt-confirm-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .rt-submit-btn,
  .rt-back-btn {
    width: 100%;
    min-width: 0;
  }

  .rt-contact-lead br {
    display: none;
  }

  .rt-confirm-card {
    padding: 18px;
  }
}

.rt-thanks-section {
  padding: 120px 20px;
  text-align: center;
  background: radial-gradient(circle at top, #1d2430 0%, #0f1115 60%, #0b0d11 100%);
}

.rt-thanks-box {
  max-width: 640px;
  margin: auto;
  background: white;
  padding: 60px 40px;
  border-radius: 24px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .2);
}

.rt-thanks-kicker {
  color: #ff6b00;
  font-weight: 800;
  letter-spacing: .2em;
  margin-bottom: 10px;
}

.rt-thanks-box h2 {
  font-size: 32px;
  margin-bottom: 20px;
}

.rt-thanks-btn {
  display: inline-block;
  margin-top: 30px;
  padding: 14px 28px;
  background: #111;
  color: white;
  border-radius: 999px;
  text-decoration: none;
}

.rt-thanks-box {
  animation: fadeUp .6s ease;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}