:root {
  --color-primary: #7a2e2e;
  --color-primary-dark: #5c2222;
  --color-ember: #ff5722;
  --color-bg: #15110d;
  --color-card: #241c16;
  --color-input: #2c2219;
  --color-border: #3d3128;
  --color-text: #f3e9db;
  --color-text-muted: #a3937f;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Zen Kaku Gothic New", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  background-color: var(--color-bg);
  background-image:
    url("../img/noise.png"),
    radial-gradient(ellipse 70% 45% at 50% 0%, rgba(255,87,34,0.09), transparent 60%);
  background-size: 48px 48px, auto;
  background-repeat: repeat, no-repeat;
  color: var(--color-text);
  padding-bottom: 40px;
}

.app-header {
  background: var(--color-primary-dark);
  color: #fff;
  padding: 16px 16px 14px;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.app-banner {
  position: relative;
  display: block;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 1536 / 410;
  border-radius: 10px;
  overflow: hidden;
  background-image: url("../img/banner-hero-crop.png");
  background-size: cover;
  background-position: center center;
}

.app-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(8, 5, 3, 0.55) 0%,
    rgba(8, 5, 3, 0.3) 45%,
    rgba(8, 5, 3, 0.4) 100%
  );
}

.app-banner-content {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  text-align: center;
}

.app-banner-title {
  margin: 0;
  font-size: clamp(1.4rem, 6.5vw, 2.4rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  text-shadow: 0 0 10px #ff5722, 0 0 20px #e64a19;
  animation: bannerFlicker 1.5s infinite alternate ease-in-out;
}

.app-banner-caption {
  margin: 0;
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  font-weight: 700;
  font-size: clamp(0.7rem, 2.4vw, 0.9rem);
  letter-spacing: 0.1em;
  color: #e3c088;
}

@keyframes bannerFlicker {
  0% { opacity: 1; text-shadow: 0 0 10px #ff5722, 0 0 20px #e64a19; }
  100% { opacity: 0.8; text-shadow: 0 0 20px #ff9800, 0 0 30px #ff5722; }
}

.app-subtitle {
  margin: 12px 0 0;
  font-size: 0.9rem;
  opacity: 0.85;
}

.app-main {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px;
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 8px 22px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.03);
  margin-bottom: 16px;
}

.section-title {
  margin: 0 0 16px;
  font-size: 1.1rem;
  border-left: 4px solid var(--color-primary);
  padding-left: 10px;
}

.store-address {
  margin: -8px 0 12px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.map-embed {
  position: relative;
  width: 100%;
  padding-top: 56%;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 24px;
}

.map-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.field {
  display: block;
  margin-bottom: 16px;
}

.field > span, .field legend {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.field em {
  color: var(--color-ember);
  font-style: normal;
  font-size: 0.75rem;
  margin-left: 4px;
}

.field-hint {
  margin: 6px 0 0;
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field input[type="date"],
.field input[type="time"],
.field input[type="number"],
.field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-size: 1rem;
  background: var(--color-input);
  color: var(--color-text);
  font-family: inherit;
  color-scheme: dark;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.field textarea { resize: vertical; }

.field-row {
  display: flex;
  gap: 12px;
}

.field-row .field { flex: 1; }

.field-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
}

.field-checkbox input {
  width: 20px;
  height: 20px;
}

.field-checkbox span { margin: 0; }

fieldset.field {
  border: none;
  padding: 0;
  margin: 0 0 16px;
}

.course-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.course-option {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  background: var(--color-input);
}

.course-option:has(input:checked) {
  border-color: var(--color-ember);
  background: rgba(255,87,34,0.12);
}

.course-option input { width: 18px; height: 18px; flex-shrink: 0; }

.course-name { flex: 1; font-size: 0.95rem; }

.course-price { font-weight: 600; color: var(--color-ember); }

.total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: rgba(255,87,34,0.1);
  border: 1px solid rgba(255,87,34,0.25);
  border-radius: 10px;
  margin-bottom: 16px;
}

.total-row strong {
  font-size: 1.2rem;
  color: var(--color-ember);
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 13px 18px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.btn-block { width: 100%; }

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

.btn-primary:active { background: var(--color-primary-dark); }

.btn-secondary {
  background: transparent;
  color: var(--color-ember);
  border: 1px solid var(--color-ember);
  margin-bottom: 10px;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
}

.action-list {
  margin-bottom: 8px;
}

.action-list .btn-primary {
  margin-bottom: 10px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.send-status {
  margin: 0 0 14px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.88rem;
  text-align: center;
}

.send-status.pending {
  background: rgba(255,255,255,0.06);
  color: var(--color-text-muted);
}

.send-status.success {
  background: rgba(46,125,50,0.18);
  color: #81c784;
}

.send-status.error {
  background: rgba(211,47,47,0.18);
  color: #ff8a80;
}

.summary-list {
  margin: 0 0 18px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 14px;
  font-size: 0.92rem;
}

.summary-list dt {
  color: var(--color-text-muted);
  white-space: nowrap;
}

.summary-list dd {
  margin: 0;
  font-weight: 500;
}

.hidden { display: none !important; }