diff --git a/css/sub.css b/css/sub.css
index a156523..9a2573d 100644
--- a/css/sub.css
+++ b/css/sub.css
@@ -7,6 +7,12 @@
 background-color: #ffff7f;
 }
 
+h2 {
+font-size:x-large;
+    font-family: 'Hiragino Kaku Gothic ProN', Meiryo, Helvetica, Arial, sans-serif;
+}
+
+
 /* header */
 header {
 text-align: center;
@@ -20,20 +26,20 @@
 
 /* menu */
 
-table, tr, td {
+#menu table, tr, td {
 border: 1px solid #ffff7f; border-collapse: collapse
 }
 
-table {
+#menu table {
 height: 60px;
 text-align: center;
 }
 
-table td{
+#menu table td{
 margin: 5px;
 }
 
-table tr td {
+#menu table tr td {
 padding-left: 14px;
 padding-right: 14px;
 border-left: 3px dotted orange;
@@ -110,6 +116,88 @@
     transition: 0.3s;
 }
 
+/* Q&A */
+label:not(.label) {
+    background: #FFF0F5;
+    color: #000;
+    padding: 10px;
+    display: block;
+    margin: 0;
+    border: 1px solid #fff;
+    cursor: pointer;
+}
+
+label:hover:not(.label) {
+    background: #FF6699;
+}
+
+input[type="checkbox"].on-off{
+    display: none;
+}
+
+input[type="checkbox"].on-off + section{
+    display: none;
+}
+
+input[type="checkbox"].on-off:checked + section{
+    display: block;
+}
+
+section.qa{
+    padding:1ex;
+}
+
+/* Q&A print */
+@media print{
+    header{
+        display: none;
+    }
+
+    nav{
+        display: none;
+    }
+
+    footer{
+        display: none;
+    }
+
+    .main_contents{
+	background-color:#fff;
+	margin:0;
+	padding:5px;
+	width:1000px;
+	float:left;
+    }
+    .qa{
+	padding:0;
+    }
+ label {
+	background: #FFF0F5;
+	color: #000;
+	padding:0;
+	display: block;
+	margin: 0;
+	border: 1px solid #fff;
+	cursor: pointer;
+    }
+
+    input[type="checkbox"].on-off + section{
+	display: block;
+    }
+
+    input[type="checkbox"].on-off:checked + section{
+	display: block;
+    }
+}
+
+a.link{
+    display:block;
+    text-decoration:none;
+    color:#463a1c;
+}
+
+
+
 
 /* footer */