/* ヘッダのタイトル文字数を増やす */
.ui-page, .ui-mobile-viewport {
	background: url(images/tiling_stripes.gif);
}

.ui-header .ui-title {
  margin: .6em 20px .8em;
}

<style>
.ui-header .ui-title {
  margin: .6em 20px;
}

/*       ====== web or mobile ======      */
@media all and (min-width: 800px) {
  #nav {
    width: 45%;
    float: right;
    margin-right: 15px;
  }
  #grid {
    width: 50%;
    float: left;
    margin-left: 15px;
  }
}
 
@media all and (max-width: 799px) {
  #nav {
    width: 100%;
  }
  #grid {
    width: 100%;
  }
}
/*        ==============================  */

/* === PAGE BACKGROUND AND GENERICS === */
.ui-page, .ui-mobile-viewport {
	background: url(images/tiling_stripes.gif);
}

.ui-content {
	color: #4c596e;
}

.ui-page-header-fullscreen .ui-content, .ui-page-footer-fullscreen .ui-content{
    padding-top: 39px;/* fix for fixed toolbar mode */
}

/* === HEADER BARS - DEFAULT AND BLACK === */
.ui-header {
	border-top: 1px solid #000;
	border-bottom: 1px solid transparent !important;
		-webkit-box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 -1px 0 rgba(0,0,0,0.6) inset;
		-moz-box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 -1px 0 rgba(0,0,0,0.6) inset;
		box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 -1px 0 rgba(0,0,0,0.6) inset;
			background: #b0bccd; /* Old browsers */
			background: -moz-linear-gradient(top,  #b0bccd 0%, #889bb3 49%, #8094ae 50%, #6d84a2 100%); /* FF3.6+ */
			background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#b0bccd), color-stop(49%,#889bb3), color-stop(50%,#8094ae), color-stop(100%,#6d84a2)); /* Chrome,Safari4+ */
			background: -webkit-linear-gradient(top,  #b0bccd 0%,#889bb3 49%,#8094ae 50%,#6d84a2 100%); /* Chrome10+,Safari5.1+ */
			background: -o-linear-gradient(top,  #b0bccd 0%,#889bb3 49%,#8094ae 50%,#6d84a2 100%); /* Opera 11.10+ */
			background: -ms-linear-gradient(top,  #b0bccd 0%,#889bb3 49%,#8094ae 50%,#6d84a2 100%); /* IE10+ */
			background: linear-gradient(top,  #b0bccd 0%,#889bb3 49%,#8094ae 50%,#6d84a2 100%); /* W3C */
			filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#b0bccd', endColorstr='#6d84a2',GradientType=0 ); /* IE6-9 */
}

.ui-header.ui-bar-b {
	-webkit-box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 -1px 0 rgba(0,0,0,0.6) inset;
	-moz-box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 -1px 0 rgba(0,0,0,0.6) inset;
	box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 -1px 0 rgba(0,0,0,0.6) inset;
		background: #717172; /* Old browsers */
		background: -moz-linear-gradient(top,  #717172 0%, #3a3a3a 50%, #0d0d0f 50%, #0f0f10 100%); /* FF3.6+ */
		background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#717172), color-stop(50%,#3a3a3a), color-stop(50%,#0d0d0f), color-stop(100%,#0f0f10)); /* Chrome,Safari4+ */
		background: -webkit-linear-gradient(top,  #717172 0%,#3a3a3a 50%,#0d0d0f 50%,#0f0f10 100%); /* Chrome10+,Safari5.1+ */
		background: -o-linear-gradient(top,  #717172 0%,#3a3a3a 50%,#0d0d0f 50%,#0f0f10 100%); /* Opera 11.10+ */
		background: -ms-linear-gradient(top,  #717172 0%,#3a3a3a 50%,#0d0d0f 50%,#0f0f10 100%); /* IE10+ */
		background: linear-gradient(top,  #717172 0%,#3a3a3a 50%,#0d0d0f 50%,#0f0f10 100%); /* W3C */
		filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#717172', endColorstr='#0f0f10',GradientType=0 ); /* IE6-9 */
}

.ui-header .ui-btn-inner {
	border: 0 none;
}

.ui-header .ui-title {
	text-shadow: 0 -1px 0 #4c596a !important;
	margin: .6em 20px .8em; 
}

/*---下層ページの画像---*/
.img_w{
	width:90%;
}