/* 変更/キャンセルページ専用。base.cssの変数と共通部品を前提にする。 */
.change-page {
  min-height: 100vh;
  padding-top: 0;
}

.change-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 70px;
  padding: 12px clamp(16px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(7, 9, 26, 0.96), rgba(7, 9, 26, 0.82)),
    rgba(7, 9, 26, 0.9);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.3);
}

.change-brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--c-text);
  font-family: var(--font-num);
  font-size: clamp(0.78rem, 3.4vw, 0.96rem);
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.change-brand::before {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  margin-right: 10px;
  content: "";
  border: 1px solid rgba(255, 121, 189, 0.72);
  border-radius: 50%;
  background:
    linear-gradient(135deg, rgba(255, 121, 189, 0.92), rgba(170, 184, 255, 0.32)),
    #101633;
  box-shadow: 0 0 20px rgba(255, 121, 189, 0.34), inset 0 0 18px rgba(255, 255, 255, 0.16);
}

.change-home-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid rgba(170, 184, 255, 0.48);
  border-radius: 6px;
  color: var(--c-text);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.change-home-link:hover,
.change-home-link:focus-visible {
  border-color: rgba(255, 121, 189, 0.72);
  color: #fff;
  transform: translateY(-1px);
}

.change-main {
  width: min(100%, 900px);
  margin: 0 auto;
  padding: clamp(28px, 6vw, 58px) clamp(14px, 4vw, 32px) 64px;
}

.change-shell {
  padding: clamp(22px, 5vw, 46px);
}

.change-kicker {
  margin-bottom: 8px;
  color: var(--c-primary);
  font-family: var(--font-num);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.change-title {
  margin-bottom: 12px;
  color: #fff;
  font-size: clamp(1.6rem, 7vw, 2.7rem);
  font-weight: 950;
  line-height: 1.22;
}

.change-lead {
  max-width: 42rem;
  margin-bottom: clamp(24px, 5vw, 38px);
  color: var(--c-text-dim);
  font-size: 0.98rem;
}

.change-step {
  border-top: 1px solid var(--line);
  padding-top: clamp(22px, 5vw, 34px);
}

.step-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 22px;
}

.step-head h2 {
  color: #fff;
  font-size: clamp(1.18rem, 4vw, 1.55rem);
  line-height: 1.35;
}

.step-num {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  flex: 0 0 auto;
  padding: 3px 9px;
  border: 1px solid rgba(255, 121, 189, 0.45);
  border-radius: 4px;
  color: var(--c-primary);
  font-family: var(--font-num);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.form-field {
  margin-bottom: 24px;
}

.form-field label,
.afterparty-choice legend {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 32px;
  margin-bottom: 7px;
  color: #fff;
  font-size: 0.98rem;
  font-weight: 900;
}

.form-field input[type="text"],
.form-field input[type="email"] {
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.form-field input[type="text"]:focus,
.form-field input[type="email"]:focus {
  border-color: rgba(255, 121, 189, 0.72);
  outline: none;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(255, 121, 189, 0.14);
}

.x-input-wrap {
  position: relative;
}

.x-at {
  position: absolute;
  top: 50%;
  left: 16px;
  color: var(--c-text-dim);
  font-weight: 900;
  transform: translateY(-50%);
}

.x-input-wrap input[type="text"] {
  padding-left: 44px;
}

.field-hint,
.contact-note,
.done-note {
  color: var(--c-text-dim);
  font-size: 0.9rem;
}

.field-hint {
  margin-bottom: 8px;
}

.field-error {
  min-height: 1.2em;
  margin-top: 6px;
  color: #ffb4c8;
  font-size: 0.82rem;
  font-weight: 800;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-note {
  margin: 4px 0 18px;
  padding: 14px 16px;
  border: 1px solid rgba(170, 184, 255, 0.26);
  border-radius: var(--radius);
  background: rgba(170, 184, 255, 0.07);
}

.submit-button {
  width: 100%;
}

.btn-spinner {
  width: 18px;
  height: 18px;
  border: 3px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.form-status {
  min-height: 1.4em;
  margin-top: 14px;
  color: #ffb4c8;
  font-size: 0.92rem;
  font-weight: 900;
  text-align: center;
}

.form-status.is-info {
  color: var(--c-secondary);
}

.state-notice {
  margin-bottom: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 121, 189, 0.35);
  border-radius: var(--radius);
  background: rgba(255, 121, 189, 0.09);
  color: #ffd7ea;
  font-weight: 800;
}

.current-box {
  margin-bottom: 26px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}

.current-box h3 {
  margin-bottom: 12px;
  color: #fff;
  font-size: 1rem;
}

.summary-list,
.done-summary {
  display: grid;
  gap: 10px;
}

.summary-row {
  display: grid;
  grid-template-columns: minmax(7.5rem, 0.36fr) minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.summary-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.summary-row dt {
  color: var(--c-text-dim);
  font-size: 0.84rem;
  font-weight: 800;
}

.summary-row dd {
  min-width: 0;
  color: #fff;
  font-weight: 850;
  overflow-wrap: anywhere;
}

.afterparty-choice {
  min-width: 0;
  padding: 0;
  border: 0;
}

.attendance-type-choice {
  min-width: 0;
  padding: 16px;
  border: 1px solid rgba(170, 184, 255, 0.36);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(170, 184, 255, 0.08), rgba(255, 121, 189, 0.06));
}

.attendance-type-choice legend {
  padding: 0 4px;
}

.choice-line {
  display: flex !important;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  margin: 8px 0;
  color: var(--c-text);
  cursor: pointer;
}

.choice-line input {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  accent-color: var(--c-primary);
  cursor: pointer;
}

.choice-line input:disabled {
  cursor: not-allowed;
}

.age-confirm {
  margin-top: 10px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 121, 189, 0.28);
  border-radius: var(--radius);
  background: rgba(255, 121, 189, 0.07);
}

.action-row {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  width: 100%;
  padding: 12px 18px;
  border: 1px solid rgba(255, 180, 200, 0.44);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: #ffd7ea;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 900;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.secondary-button:hover,
.secondary-button:focus-visible {
  border-color: rgba(255, 121, 189, 0.72);
  background: rgba(255, 121, 189, 0.08);
  transform: translateY(-1px);
}

.accent-button {
  border-color: rgba(170, 184, 255, 0.52);
  color: #dce3ff;
}

.secondary-button:disabled {
  cursor: not-allowed;
  opacity: 0.56;
  transform: none;
}

.done-step {
  text-align: center;
}

.done-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  color: #08101f;
  font-family: var(--font-num);
  font-size: 2rem;
  font-weight: 900;
  box-shadow: var(--shadow-glow);
}

.done-step h2 {
  margin-bottom: 10px;
  color: #fff;
  font-size: clamp(1.35rem, 5vw, 2rem);
}

.done-summary {
  margin: 22px 0;
  text-align: left;
}

.pill-link {
  margin-top: 6px;
}

@media (max-width: 520px) {
  .change-header {
    padding-right: 12px;
    padding-left: 12px;
  }

  .change-home-link {
    padding-right: 10px;
    padding-left: 10px;
    font-size: 0.84rem;
  }

  .change-main {
    padding-right: 12px;
    padding-left: 12px;
  }

  .summary-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}