* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f5f5f5;
  color: #333;
  min-height: 100vh;
}

header {
  background: #e74c3c;
  color: #fff;
  padding: 16px 20px;
  text-align: center;
}

header h1 {
  font-size: 1.4rem;
  font-weight: bold;
}

main {
  max-width: 600px;
  margin: 0 auto;
  padding: 16px;
}

.section {
  background: #fff;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.section h2 {
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 12px;
  color: #e74c3c;
  border-left: 3px solid #e74c3c;
  padding-left: 8px;
}

.form-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.form-row input {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.95rem;
  outline: none;
}

.form-row input:focus {
  border-color: #e74c3c;
}

.form-row button,
button {
  padding: 10px 18px;
  background: #e74c3c;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
}

.form-row button:hover,
button:hover {
  background: #c0392b;
}

.hint {
  font-size: 0.78rem;
  color: #999;
  margin-top: 6px;
}

/* チェック結果 */
.check-result {
  margin-top: 12px;
}

.check-result.safe {
  background: #eafaf1;
  border: 1px solid #2ecc71;
  border-radius: 6px;
  padding: 12px;
  color: #27ae60;
  font-weight: bold;
}

.check-result.danger {
  background: #fdedec;
  border: 1px solid #e74c3c;
  border-radius: 6px;
  padding: 12px;
}

.check-result .danger-title {
  color: #e74c3c;
  font-weight: bold;
  margin-bottom: 6px;
}

.check-result .danger-member {
  display: inline-block;
  background: #e74c3c;
  color: #fff;
  border-radius: 4px;
  padding: 3px 10px;
  margin: 3px 4px 3px 0;
  font-size: 0.9rem;
}

/* メンバー一覧 */
.member-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.empty-msg {
  color: #aaa;
  font-size: 0.9rem;
  text-align: center;
  padding: 12px 0;
}

.member-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #fafafa;
  border: 1px solid #eee;
  border-radius: 8px;
  padding: 12px;
}

.member-info {
  flex: 1;
}

.member-name {
  font-weight: bold;
  font-size: 1rem;
  margin-bottom: 6px;
}

.allergy-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.allergy-tag {
  background: #fdedec;
  color: #e74c3c;
  border: 1px solid #f5b7b1;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.82rem;
}

.allergy-none {
  color: #aaa;
  font-size: 0.85rem;
}

.delete-btn {
  background: none;
  border: none;
  color: #bbb;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  line-height: 1;
}

.delete-btn:hover {
  background: #fdecea;
  color: #e74c3c;
}

@media (max-width: 500px) {
  .form-row {
    flex-direction: column;
  }

  .form-row button {
    width: 100%;
  }
}