/* 画面全体の中央配置と最大幅の制限 */
.all_body { 
	font-family: "メイリオ", Arial, sans-serif;
	background-color: #f9f9f9;
	color: #333;
	line-height: 1.6;
	padding: 20px;
}
.container {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
h1 {
    text-align: center;
    color: #2c3e50;
    border-bottom: 2px solid #e67e22;
    padding-bottom: 10px;
}

/* 入力エリアのスタイル */
.search-area {
    background-color: #fff9f2;
    padding: 20px;
    border: 2px solid #e67e22;
    border-radius: 8px;
    margin-bottom: 30px;
}
.search-area h2 {
    margin-top: 0;
    font-size: 1.2rem;
    color: #d35400;
}
.input-group {
    margin-bottom: 15px;
}
input[type="number"] {
    padding: 8px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 80px;
    margin-right: 5px;
}
input[type="number"].year-input {
    width: 100px;
}
.result-box {
    background: white;
    padding: 10px;
    border: 1px solid #ddd;
    min-height: 1.5em;
    font-weight: bold;
    color: #2c3e50;
}

.info {
    text-align: right;
    margin-bottom: 10px;
    font-weight: bold;
    color: #e67e22;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}
th, td {
    border: 1px solid #ddd;
    padding: 12px 8px;
    text-align: center;
}
th {
    background-color: #e67e22;
    color: white;
    position: sticky;
    top: 0;
}
tr:nth-child(even) {
    background-color: #f2f2f2;
}
tr:hover {
    background-color: #fff9f2;
}
@media screen and (max-width: 600px) {
    th, td { font-size: 14px; padding: 8px 4px; }
    input[type="number"] { width: 60px; }
}