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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f0f2f5;
  color: #222;
  padding: 16px;
}

.container {
  max-width: 720px;
  margin: 0 auto;
}

h1 {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4px;
}

.subtitle {
  text-align: center;
  font-size: 0.82rem;
  color: #666;
  margin-bottom: 20px;
}

/* サマリー */
.summary {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.summary-item {
  flex: 1;
  background: #fff;
  border-radius: 10px;
  padding: 12px 8px;
  text-align: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.sum-label {
  display: block;
  font-size: 0.72rem;
  color: #888;
  margin-bottom: 4px;
}

.sum-value {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
}

#sum-supply .sum-value { color: #e07b00; }
#sum-power  .sum-value { color: #c0392b; }
#sum-staff  .sum-value { color: #2471a3; }

/* カード */
.card {
  background: #fff;
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  border-left: 5px solid #ccc;
}

.card-supply { border-left-color: #e07b00; }
.card-power  { border-left-color: #c0392b; }
.card-staff  { border-left-color: #2471a3; }

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.card-icon {
  font-size: 1.4rem;
}

.card-header h2 {
  font-size: 1.05rem;
  font-weight: 700;
}

.card-desc {
  font-size: 0.82rem;
  color: #666;
  margin-bottom: 16px;
}

/* 入力グリッド */
.input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
  margin-bottom: 14px;
}

.input-grid label {
  align-self: center;
  font-size: 0.83rem;
  color: #444;
}

.input-grid input {
  padding: 8px 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 0.9rem;
  width: 100%;
  transition: border-color 0.2s;
}

.input-grid input:focus {
  outline: none;
  border-color: #4a90d9;
}

/* 動的アイテム（仕入れ・設備） */
.dynamic-item {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 6px;
  align-items: center;
  margin-bottom: 8px;
}

.dynamic-item input[type="text"],
.dynamic-item input[type="number"] {
  padding: 7px 9px;
  border: 1px solid #ddd;
  border-radius: 7px;
  font-size: 0.85rem;
  width: 100%;
}

.dynamic-item .unit {
  font-size: 0.75rem;
  color: #888;
  white-space: nowrap;
}

.dynamic-item .btn-remove {
  background: none;
  border: none;
  color: #c0392b;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.item-header {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 6px;
  margin-bottom: 4px;
}

.item-header span {
  font-size: 0.72rem;
  color: #888;
  text-align: center;
}

.item-header span:first-child {
  text-align: left;
}

/* ボタン */
.btn-add {
  background: none;
  border: 1px dashed #aaa;
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 0.83rem;
  color: #555;
  cursor: pointer;
  width: 100%;
  margin-bottom: 14px;
  transition: border-color 0.2s, color 0.2s;
}

.btn-add:hover {
  border-color: #4a90d9;
  color: #4a90d9;
}

/* 結果ボックス */
.result-box {
  background: #f8f9fb;
  border-radius: 10px;
  padding: 14px 16px;
  text-align: center;
}

.result-label {
  font-size: 0.78rem;
  color: #888;
  margin-bottom: 4px;
}

.result-value {
  font-size: 2rem;
  font-weight: 700;
  color: #222;
  line-height: 1.2;
  margin-bottom: 4px;
}

.result-value.danger  { color: #c0392b; }
.result-value.warning { color: #e07b00; }
.result-value.safe    { color: #1a7e3a; }

.result-detail {
  font-size: 0.78rem;
  color: #666;
  min-height: 1em;
}

/* リセット */
.btn-clear {
  display: block;
  margin: 0 auto 32px;
  padding: 10px 28px;
  background: #f0f2f5;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 0.85rem;
  color: #666;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-clear:hover {
  background: #e0e3e8;
}

/* レスポンシブ */
@media (max-width: 480px) {
  .summary { flex-direction: column; }
  .summary-item { display: flex; justify-content: space-between; align-items: center; }
  .sum-label { margin-bottom: 0; }

  .input-grid { grid-template-columns: 1fr; }
  .input-grid label { font-size: 0.8rem; }

  .dynamic-item { grid-template-columns: 1fr auto auto; }
  .item-header  { grid-template-columns: 1fr auto auto; }

  h1 { font-size: 1.25rem; }
  .result-value { font-size: 1.6rem; }
}