/* カウンターアプリ 共通スタイル（generator 標準トンマナ） */

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

body {
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  background: #f1f5f9;
  color: #1e293b;
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============ ヘッダー ============ */
.header {
  background: linear-gradient(135deg, #1e293b 0%, #3730a3 100%);
  color: #fff;
  padding: 40px 20px 36px;
  text-align: center;
}
.header h1 {
  font-size: clamp(1.4rem, 1.1rem + 1.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.header p {
  margin: 10px auto 0;
  max-width: 720px;
  color: #c7d2fe;
}

/* ============ レイアウト ============ */
.container {
  flex: 1;
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 28px 20px 56px;
}

/* ============ ツールバー ============ */
.toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 16px;
  padding: 16px;
  margin-bottom: 20px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

#add-counter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: #3730a3;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}
#add-counter:hover {
  background: #312e81;
}
#add-counter span {
  font-size: 1.125rem;
  line-height: 1;
}

#total-container {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 18px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
}
.total-label {
  color: #64748b;
  font-size: 1rem;
}
#total-sum {
  font-size: clamp(1.25rem, 1.1rem + 0.8vw, 1.6rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: #1e293b;
}

/* ============ カウンターカード ============ */
#counter-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.button {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px 16px;
  padding: 16px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.button:hover {
  border-color: #c7d2fe;
}

/* 並べ替えハンドル */
.drag-handle {
  color: #cbd5e1;
  font-size: 1.25rem;
  line-height: 1;
  cursor: grab;
  padding: 4px;
  user-select: none;
}
.drag-handle:active {
  cursor: grabbing;
}
.button:hover .drag-handle {
  color: #94a3b8;
}

/* 名称入力 */
.counter-label {
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  background: #fff;
  color: #1e293b;
}
.counter-label::placeholder {
  color: #94a3b8;
}
.counter-label:focus {
  outline: 2px solid #a5b4fc;
  outline-offset: 1px;
  border-color: #3730a3;
}

/* 単価入力 */
.counter-field {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.counter-field-label {
  color: #64748b;
  white-space: nowrap;
}
.counter-name {
  width: 8ch;
  padding: 8px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
  background: #fff;
  color: #1e293b;
}
.counter-name:focus {
  outline: 2px solid #a5b4fc;
  outline-offset: 1px;
  border-color: #3730a3;
}

/* 数量表示 */
.counter-title {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  color: #64748b;
}
.counter {
  min-width: 3ch;
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: #1e293b;
  text-align: right;
}

/* 操作ボタン */
.counter-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid #f1f5f9;
}

.button button {
  padding: 8px 14px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  background: #fff;
  color: #1e293b;
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.button button:hover:not(:disabled) {
  border-color: #3730a3;
  color: #3730a3;
}
.button button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.increment,
.decrement {
  min-width: 48px;
  font-size: 1.125rem;
  font-weight: 700;
}
.increment {
  background: #eef2ff;
  border-color: #c7d2fe;
  color: #3730a3;
}
.increment:hover:not(:disabled) {
  background: #e0e7ff;
}

.remove {
  margin-left: auto;
  color: #b91c1c;
}
.button button.remove:hover:not(:disabled) {
  border-color: #b91c1c;
  background: #fef2f2;
  color: #b91c1c;
}

/* 並べ替え中のプレースホルダー */
.counter-placeholder {
  height: 88px;
  border: 2px dashed #c7d2fe;
  border-radius: 12px;
  background: #f8fafc;
}

/* ============ 空の状態 ============ */
.empty-state {
  padding: 48px 24px;
  text-align: center;
  background: #fff;
  border: 1px dashed #cbd5e1;
  border-radius: 12px;
}
.empty-state.is-hidden {
  display: none;
}
.empty-state-title {
  font-weight: 700;
}
.empty-state-desc {
  margin-top: 4px;
  color: #64748b;
}
.empty-state-steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
  list-style: none;
}
.empty-state-steps li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  color: #475569;
}
.step-num {
  font-weight: 700;
  color: #3730a3;
}

/* ============ 補足 ============ */
.note {
  margin-top: 40px;
  padding: 24px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
}
.note h2 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.note ul {
  padding-left: 1.25em;
  color: #475569;
}
.note li + li {
  margin-top: 8px;
}
.inline-handle {
  color: #94a3b8;
}

/* ============ フッター ============ */
footer {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  padding: 24px 40px;
  color: #64748b;
  border-top: 1px solid #e2e8f0;
  background: #fff;
}
footer a {
  color: #1e293b;
  text-decoration: none;
  transition: color 0.2s;
}
footer a:hover {
  color: #3730a3;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-links a {
  border: 1px solid #e2e8f0;
  padding: 8px 16px;
  border-radius: 6px;
  transition: border-color 0.2s, color 0.2s;
}
.footer-links a:hover {
  border-color: #3730a3;
  color: #3730a3;
}

/* ============ レスポンシブ ============ */
@media (max-width: 600px) {
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  #add-counter {
    justify-content: center;
    white-space: nowrap;
  }
  #total-container {
    justify-content: space-between;
    border-radius: 8px;
  }
  .button {
    grid-template-columns: auto minmax(0, 1fr);
  }
  .counter-field,
  .counter-title {
    grid-column: 2 / -1;
    justify-content: flex-end;
  }
  footer {
    padding: 24px 20px;
  }
}

/* ============ 広告（PC/SPとも右下フローティングカード320×100・薄型透明枠＋×閉じ） ============ */
.footer-ad {
  position: fixed;
  right: 0;
  bottom: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 0;
  width: 320px;
  overflow: hidden;
  background: transparent;
  border: none;
  box-shadow: none;
}
.footer-ad.is-closed { display: none; }
.ad-widget__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  position: relative;
  z-index: 1;
}
.ad-widget__label {
  color: #64748b;
  font-size: 12px;
  letter-spacing: 0.04em;
  background: #f1f5f9;
  padding: 2px 8px;
  border-radius: 999px;
}
.ad-widget__close {
  appearance: none;
  border: none;
  background: #f1f5f9;
  color: #64748b;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
}
.ad-widget__close:hover { background: #e2e8f0; color: #1e293b; }
.footer-ad ins.adsbygoogle { display: block; width: 320px; height: 100px; }

@media screen and (max-width: 768px) {
  .footer-ad {
    position: static;
    align-self: center;
    margin: 24px auto 0;
    gap: 0;
    padding: 0;
    background: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
    z-index: auto;
  }
  .footer-ad.is-closed { display: flex; }
  .ad-widget__head { display: none; }
  .footer-ad ins.adsbygoogle { width: 320px; height: 100px; }
}