:root {
  --bg: #f6f5f2;
  --card: #ffffff;
  --ink: #1f1f1f;
  --sub: #6b6b6b;
  --accent: #2f6f4f;
  --accent-soft: #e7f1ec;
  --border: #e3e0da;
  --danger: #c0392b;
  --danger-soft: #fbeae8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('background.jpg') center center / cover no-repeat fixed;
  color: var(--ink);
  font-family: "Hiragino Sans", "Helvetica Neue", Arial, sans-serif;
  padding: 24px;
}

.card {
  backdrop-filter: blur(6px);
  background: rgba(255, 255, 255, 0.92);
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

h1 {
  font-size: 22px;
  margin: 18px 0 6px;
  line-height: 1.4;
}

p.lead {
  color: var(--sub);
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 28px;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 13px;
  color: var(--sub);
  margin-bottom: 6px;
  font-weight: 600;
}

.field input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

button {
  width: 100%;
  margin-top: 8px;
  padding: 13px 0;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

button:hover { opacity: 0.88; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button:disabled { opacity: 0.6; cursor: not-allowed; }

#msg {
  margin-top: 16px;
  font-size: 13px;
  text-align: center;
  min-height: 18px;
  padding: 8px 12px;
  border-radius: 8px;
}

#msg.error {
  color: var(--danger);
  background: var(--danger-soft);
}

#msg.success {
  color: var(--accent);
  background: var(--accent-soft);
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  font-size: 13px;
}

.row span:first-child { color: var(--sub); }
.row span:last-child { font-weight: 600; }

.loading {
  text-align: center;
  color: var(--sub);
  font-size: 14px;
  padding: 40px 0;
}

.omikuji {
  margin-top: 24px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.omikuji button.secondary {
  width: 100%;
  background: #fff;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.omikuji-result {
  margin-top: 16px;
  padding: 16px;
  background: var(--accent-soft);
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.7;
  white-space: pre-wrap;
  text-align: left;
  display: none;
}

.omikuji-result.error {
  background: var(--danger-soft);
  color: var(--danger);
}