/* indez997.css */
/* 基本スタイルとレスポンシブ設定 */
:root {
  --primary-color:    #4a90e2;
  --text-color:       #333;
  --background-color: #f4f7f6;
  --container-bg:     #ffffff;
  --border-color:     #ddd;
  --income-color:     #2e7d32;
  --expense-color:    #c62828;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: var(--background-color);
  color: var(--text-color);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 800px;
  background-color: var(--container-bg);
  padding: 20px 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* ヘッダー */
header {
  text-align: center;
  margin-bottom: 25px;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 15px;
}

header h1 {
  margin: 0;
  color: var(--primary-color);
  font-size: 1.8em;
}

#month-selector {
  margin-top: 10px;
  padding: 8px 12px;
  font-size: 1.1em;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
}

/* フォーム全体 */
#household-form {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.form-section {
  flex: 1;
  min-width: 280px;
}

.form-section h2 {
  font-size: 1.4em;
  margin-top: 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.income-section h2 { color: var(--income-color); }
.expense-section h2 { color: var(--expense-color); }

/* 各入力項目 */
.form-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.form-item label {
  font-size: 1em;
  flex-basis: 50%;
}

.form-item input[type="number"] {
  width: 120px;
  padding: 8px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1em;
  text-align: right;
  -moz-appearance: textfield;
}
.form-item input[type="number"]::-webkit-inner-spin-button,
.form-item input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* 合計金額表示 */
.total-section {
  width: 100%;
  text-align: right;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 2px solid var(--primary-color);
}

.total-section p {
  font-size: 1.8em;
  font-weight: bold;
  margin: 0;
}

.total-section .positive { color: var(--income-color); }
.total-section .negative { color: var(--expense-color); }

/* ボタン共通 */
.save-btn,
.clear-btn {
  display: inline-block;
  margin-top: 14px;
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 1em;
  cursor: pointer;
  transition: opacity 0.3s;
}

.save-btn {
  background-color: var(--primary-color);
  color: #fff;
}

.clear-btn {
  background-color: #007d43;
  color: #ffffff;
  margin-left: 10px;
}

.save-btn:hover,
.clear-btn:hover {
  opacity: 0.9;
}


h2 {
color:#557303;
font-size: 88%; 
line-height: 1em; 
font-weight:bolder;
padding:10px 0px 5px 0px;
margin:0px 0px 0px 0px;
border-bottom:1px dotted #7ABD3C;
background-color:#f0f2ff;
border-radius: 1vh;
}

h2 a{
text-decoration: none;
color:#000d99;
background-color:#f0f2ff;
border-radius: 1vh;
}

h3 {
color:#557303;
font-size: 90%;
line-height: 1em;
font-weight:bolder;
padding:8px 0px 7px 20px;
margin:10px 0px 5px 0px;
border-bottom:1px dotted #7ABD3C;
background-color:#fcfabd;
border-radius: 2vh;
}
h4 {
position: center;
padding:8px 0px 7px 20px;
margin:0px 0px 0px 0px;
  background: -webkit-linear-gradient(to right, rgb(255, 186, 115), transparent);
  background: linear-gradient(to right, rgb(255, 186, 115), transparent);
  color: #545454;
  font-size: 90%;
border-radius: 2vh;
}

/* フッター */
footer {
  text-align: center;
  margin-top: 30px;
  padding-top: 15px;
  border-top: 1px solid var(--border-color);
}

footer a {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 0.9em;
}

footer a:hover {
  text-decoration: underline;
}