/* HID屋 LIFF 共通スタイル */
:root {
  --primary: #e60012;
  --primary-dark: #b8000e;
  --primary-50: #fff0f1;
  --primary-100: #ffd8db;
  --accent: #ffd633;        /* HID屋ロゴのアクセントイエロー */
  --text: #1a1a1a;
  --muted: #666;
  --soft: #8a8a8a;
  --bg: #fafafa;
  --bg-soft: #f4f5f7;
  --border: #e5e5e5;
  --border-soft: #efefef;
  --success: #2eb872;
  --error: #d32f2f;
  --warn: #f29900;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.10);
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}

.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  background: white;
}

h1 {
  font-size: 22px;
  margin: 0 0 16px;
  color: var(--primary);
}
h2 {
  font-size: 18px;
  margin: 24px 0 12px;
}
p {
  margin: 0 0 12px;
}
.muted {
  color: var(--muted);
  font-size: 14px;
}

label {
  display: block;
  margin: 12px 0 4px;
  font-weight: 600;
  font-size: 14px;
}

input[type="text"], input[type="url"], select, textarea {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: white;
  -webkit-appearance: none;
  appearance: none;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
}

button {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 16px;
}
button:hover { background: var(--primary-dark); }
button:disabled {
  background: #ccc;
  cursor: not-allowed;
}
button.secondary {
  background: white;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.banner {
  padding: 12px;
  border-radius: 6px;
  margin: 12px 0;
  font-size: 14px;
  display: none;
}
.banner.error { background: #fde7e9; color: var(--error); }
.banner.success { background: #e6f7ee; color: var(--success); }
.banner.info { background: #fff7e0; color: var(--warn); }

#loading-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid #fff;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

.card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 12px 0;
}

.lottery-result {
  text-align: center;
  padding: 32px 16px;
}
.lottery-result .prize {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  margin: 16px 0;
}
.lottery-result .coupon-code {
  font-family: ui-monospace, monospace;
  background: #f0f0f0;
  padding: 12px;
  border-radius: 6px;
  font-size: 18px;
  letter-spacing: 2px;
}

.share-step {
  margin: 16px 0;
  padding: 12px;
  background: var(--bg);
  border-radius: 6px;
}
.share-step::before {
  content: counter(step) ". ";
  counter-increment: step;
  font-weight: 700;
  color: var(--primary);
}
.share-steps { counter-reset: step; }

a { color: var(--primary); }