html, body {
	position: relative;
	width: 100%;
	height: 100%;
}

body {
	color: #333;
	margin: 0;
	padding: 8px;
	box-sizing: border-box;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

a {
	color: rgb(0,100,200);
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
}

a:visited {
	color: rgb(0,80,160);
}

label {
	display: block;
}

input, button, select, textarea {
	font-family: inherit;
	font-size: inherit;
	-webkit-padding: 0.4em 0;
	padding: 0.4em;
	margin: 0 0 0.5em 0;
	box-sizing: border-box;
	border: 1px solid #ccc;
	border-radius: 2px;
}

input:disabled {
	color: #ccc;
}

button {
	color: #333;
	background-color: #f4f4f4;
	outline: none;
}

button:disabled {
	color: #999;
}

button:not(:disabled):active {
	background-color: #ddd;
}

button:focus {
	border-color: #666;
}

button {
    padding: 10px 15px;
    font-size: 14px;
    text-align: center;
    background-color: #000;
    color: #fff;
    border: none;
    border-radius: 5px;
    white-space: nowrap; /* テキストを1行で表示 */
    overflow: hidden; /* 溢れたテキストを隠す */
    text-overflow: ellipsis; /* テキストが溢れた場合は省略記号を表示 */
    cursor: pointer;
    transition: background-color 0.3s ease;
  }

  button:hover {
    background-color: #444;
  }