:root {
  --ink: #1a2744;
  --ink-soft: #3d4f6f;
  --ink-muted: #6b7a94;
  --paper: #f7f5f0;
  --paper-card: #ffffff;
  --gold: #a67c2d;
  --gold-soft: #d4b56a;
  --line: #06c755;
  --danger: #b42318;
  --ok: #1b7a4e;
  --border: #e2e0d8;
  --shadow: 0 10px 28px rgba(26, 39, 68, 0.08);
  --radius: 14px;
  --font: "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

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

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 50% -10%, rgba(166, 124, 45, 0.12), transparent 55%),
    linear-gradient(180deg, #fbfaf7 0%, var(--paper) 45%, #efece4 100%);
  -webkit-font-smoothing: antialiased;
}

body {
  line-height: 1.65;
  font-size: 16px;
}

button,
input,
textarea,
select {
  font: inherit;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  padding: 1rem 1rem calc(2rem + var(--safe-bottom));
}

.header {
  text-align: center;
  padding: 1.25rem 0 0.5rem;
}

.header__logo {
  display: block;
  width: 64px;
  height: 64px;
  margin: 0 auto 0.75rem;
  background: transparent;
  border: none;
  object-fit: contain;
}

.header__title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.header__sub {
  margin: 0.35rem 0 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.steps {
  display: flex;
  gap: 0.4rem;
  margin: 1.25rem 0 1.35rem;
}

.steps__item {
  flex: 1;
  height: 5px;
  border-radius: 999px;
  background: rgba(26, 39, 68, 0.12);
  transition: background 0.25s ease;
}

.steps__item.is-active,
.steps__item.is-done {
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
}

.panel {
  display: none;
}

.panel.is-visible {
  display: block;
  animation: fadeUp 0.28s ease;
}

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

.card {
  background: var(--paper-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.15rem 1.1rem 1.25rem;
}

.section-title {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.section-lead {
  margin: 0 0 1rem;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.choice-list,
.event-list,
.slot-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.choice-card,
.event-card,
.slot-btn {
  width: 100%;
  text-align: left;
  border: 1.5px solid var(--border);
  background: #fff;
  border-radius: 12px;
  padding: 1rem 1rem;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.choice-card:hover,
.event-card:hover,
.slot-btn:hover {
  border-color: rgba(166, 124, 45, 0.55);
}

.choice-card.is-selected,
.event-card.is-selected,
.slot-btn.is-selected {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(166, 124, 45, 0.15);
}

.choice-card__name,
.event-card__name {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.choice-card__desc,
.event-card__desc {
  margin: 0.35rem 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.event-card__meta {
  margin-top: 0.55rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: var(--gold);
  font-weight: 600;
}

.event-card.is-unbookable {
  cursor: pointer;
}

.empty-events {
  margin: 0;
  padding: 0.85rem 0 0.25rem;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.empty-events p {
  margin: 0 0 0.5rem;
}

.slot-btn {
  font-size: 1.02rem;
  font-weight: 600;
  min-height: 3.2rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.form-hint {
  margin: 0.35rem 0 0;
  color: var(--ink-muted);
  font-size: 0.85rem;
}

.profile-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(6, 199, 85, 0.1);
  color: #0b7a3b;
  font-size: 0.88rem;
  font-weight: 600;
}

.profile-chip[hidden] {
  display: none;
}

input[type="text"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="time"],
textarea {
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 0.85rem;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}

textarea {
  min-height: 5.5rem;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(166, 124, 45, 0.12);
}

.btn-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.btn {
  flex: 1;
  min-height: 3.15rem;
  border: none;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  padding: 0.75rem 1rem;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn--primary {
  background: linear-gradient(135deg, #1a365d, #243b5c);
  color: #fff;
}

.btn--secondary {
  background: #fff;
  color: var(--ink);
  border: 1.5px solid var(--border);
}

.btn--line {
  background: var(--line);
  color: #fff;
}

.summary {
  margin: 0;
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.65rem 0.75rem;
}

.summary dt {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.summary dd {
  margin: 0;
  font-weight: 600;
  font-size: 0.98rem;
}

.alert {
  margin: 0.85rem 0 0;
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  font-size: 0.92rem;
}

.alert--error {
  background: #fef3f2;
  color: var(--danger);
  border: 1px solid #fecdca;
}

.alert--info {
  background: #f8f4ea;
  color: #7a5a18;
  border: 1px solid #ead9b0;
}

.alert[hidden] {
  display: none;
}

.screen {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2rem 1rem;
}

.screen[hidden] {
  display: none !important;
}

.spinner {
  width: 36px;
  height: 36px;
  margin: 0 auto 1rem;
  border: 3px solid rgba(26, 39, 68, 0.12);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(27, 122, 78, 0.12);
  color: var(--ok);
  font-size: 1.8rem;
  font-weight: 700;
}

.banner-soft {
  margin: 0 0 1rem;
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  background: #f4f7fb;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}