diff --git "a/css/\043main.css\043" "b/css/\043main.css\043"
deleted file mode 100644
index 03504f9..0000000
--- "a/css/\043main.css\043"
+++ /dev/null
@@ -1,509 +0,0 @@
-/*
- * Main CSS definitions for terakotta
- */
-
-body{
-    margin:0;
-    padding:0;
-    background-color:#FFF0F5;
-    background:-webkit-gradient(liner, left top, left bottom, from(0%, #FFF), color-stop(50%,#ffd5dc),to(100%, #FFF));
-    background:-webkit-linear-gradient(top,#FFF 0%,#ffd5dc 50%,#fff 100%);
-    background:-moz-linear-gradient(top,#FFF 0%,#ffd5dc 50%,#fff 100%);
-    background:-o-linear-gradient(top,#FFF 0%,#ffd5dc 50%,#fff 100%);
-    background:linear-gradient(to bottom,#FFF 0%,#ffd5dc 50%,#fff 100%);
-    -webkit-text-size-adjust: 100%;
-}
-
-#page {	
-    width: 100%;
-    margin: 0 auto;
-}
-
-/* header */
-header{
-    margin:0;
-    padding:0;
-    width:100%;
-    height:auto;
-    background:#fff;
-    background-position:right;
-    background-repeat:no-repeat;
-    font-weight:bold;
-    font-size:18px;
-    font-family:'Yu Mincho', meiryo ,sans-serif;
-    text-align:center;
-    color:#40361f;
-}2019's sub css
-
-/* menu */
-#menu {
-    width:200px;
-    font-family: 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
-    font-size:small;
-    float:left;
-}
-
-#menu ul{
-    background:#fff;
-    list-style-type:none;
-    margin:0;
-    padding:10px;
-}
-
-#menu li{
-    width:100%;
-    line-height:2em;
-    border-bottom: 1px solid #ebe4da;
-}
-
-#menu a{
-    display:block;
-    text-decoration:none;
-    color:#463a1c;
-    padding:13px 5px 13px;
-    position:relative;
-}
-
-#menu a:hover{
-    background-color: rgba(255,213,236,0.5);
-}
-
-#menu a:active{
-    background-color: #FF9999;
-}
-
-#menu a:after{
-    font-family: 'Mv Boli', cursive;
-    font-size:0.8em;
-    color: #cbbe9c;
-    position:absolute;
-    bottom:0;
-    left:5px;
-}
-#menu li.now{
-    background-color: rgba(255,213,236,0.5);
-}
-#menu li:last-child{
-    border-bottom:none;
-}
-
-/* main contents */
-#main_contents{
-    background-color:#fff;
-    margin:0;
-    padding:0 1.5em;
-    width:750px;
-    min-height:700px;
-    float:right;
-}
-
-#main:after{
-    content:"";
-    clear:both;
-    display:block;
-}
-
-h2{
-    font-size:x-large;
-    font-family: 'Hiragino Kaku Gothic ProN', Meiryo, Helvetica, Arial, sans-serif;
-}
-
-h3{
-    font-size:large;
-    font-family: 'Hiragino Kaku Gothic ProN', Meiryo, Helvetica, Arial, sans-serif;
-}
-
-p:not(footer > p){
-    font-family: 'Hiragino Kaku Gothic ProN', Meiryo, Helvetica, Arial, sans-serif;
-    color:#463a1c;
-    line-height:1.5em;
-}
-
-img.img-left{
-    padding: 3ex 0;
-    float:left;
-}
-
-img.img-right{
-    padding: 3ex 0;
-    float:left;
-}
-
-div.box-text-left{
-    background: #fff;
-    border:dotted 5px #494949;
-    border-radius: 3em 3em;
-    margin:2em 1ex;
-    padding: 2ex 1ex;
-    float:left;
-    width:380px;
-}
-
-div.box-text-right{
-    background: #fff;
-    border:dotted 5px #494949;
-    border-radius: 3em 3em;
-    margin:2em 1ex;
-    padding: 2ex 1ex;
-    float:right;
-    width:380px;
-}
-
-div.box-text-right-border-none{
-    background: #fff;
-    margin:1ex;
-    padding: 2.2ex 1ex;
-    float:right;
-    width:400px;
-}
-
-div.text-left{
-    float:left;
-    width:700px;
-}
-
-div.text-right{
-    float:right;
-    width:700px;
-}
-
-a {
-    -webkit-transition: 0.3s;
-    -moz-transition: 0.3s;
-    -o-transition: 0.3s;
-    -ms-transition: 0.3s;
-    transition: 0.3s;
-}
-
-/* footer */
-footer{
-    clear:both;
-    background:#372F2D;
-    position: relative;
-    bottom: 0;
-    margin:0.5ex;
-    padding:0.5ex;
-    font-family:Arial,sans-serif;
-    font-size:small;
-    color:#fff;
-    text-align:center;
-}
-
-/* what table */
-table {
-    width: 100%;
-    border-collapse: collapse;
-}
-
-th.t_top {
-    border-top: #b3b3b3 4px solid;
-}
-
-th:not(th.menu) {
-    border-bottom: #e3e3e3 1px solid;
-    border-left: #e3e3e3 1px solid;
-    text-align: left;
-    background: #f7f7f7;
-    padding: 10px;
-    font-weight: normal;
-    white-space: nowrap;
-}
-
-td.t_top {
-    border-top: #be1309 4px solid;
-}
-
-td:not(td.menu) {
-    border-bottom: #e3e3e3 1px solid;
-    border-right: #e3e3e3 1px solid;
-    text-align: left;
-    padding: 10px;
-}
-
-th.menu {
-    text-align: left;
-    font-weight: normal;
-    white-space: nowrap;
-}
-
-td.menu {
-    text-align: left;
-    white-space: nowrap;
-}
-
-/* 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 + div{
-    display: none;
-}
-
-input[type="checkbox"].on-off:checked + div{
-    display: block;
-}
-
-div.qa{
-    padding:1ex;
-}
-
-
-/* Q&A print */
-@media print{
-    header{
-        display: none;
-    }
-
-    #menu{
-        display: none;
-    }
-
-    footer{
-    height: 100%;
-        display: none;
-    }
-
-    #main_contents{
-	background-color:#fff;
-	margin:0;
-	padding:5px;
-	width:1000px;
-	float:left;
-    }
-    div.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 + div{
-	display: block;
-    }
-
-    input[type="checkbox"].on-off:checked + div{
-	display: block;
-    }
-}
-
-a.link{
-    display:block;
-    text-decoration:none;
-    color:#463a1c;
-}
-
-/* application */
-
-input#name {
-    width:200px;
-    height:1.5em;
-    font-size:1em;
-}
-
-input#ruby {
-    width:200px;
-    height:1.5em;
-    font-size:1em;
-}
-
-select > option {
-    width:100px;
-    height:1.2em;
-    font-size:1.2em;
-}
-
-input#e-mail {
-    width:300px;
-    height:1.5em;
-    font-size:1em;
-}
-
-input#tel {
-    width:200px;
-    height:1.5em;
-    font-size:1em;
-}
-
-input#address {
-    width:500px;
-    height:1.5em;
-    font-size:1em;
-}
-
-input#school {
-    width:200px;
-    height:1.5em;
-    font-size:1em;
-}
-
-input#class {
-    width:100px;
-    height:1.5em;
-    font-size:1em;
-}
-
-input#number {
-    width:100px;
-    height:1.5em;
-    font-size:1em;
-}
-
-textarea#message {
-    width:500px;
-    font-size:1em;
-}
-
-div.submit {
-    padding: 10px;
-    text-align : center ;
-}
-
-button {
-    padding: 10px 30px;
-    font-size: 1.2em;
-}
-
-div.box {
-    background: #fff;
-    border:dotted 5px #494949;
-    margin:1.8em 1ex;
-    padding: 2ex 1ex;
-    text-align : center ;
-}
-
-em{
-    color: red;
-    font-size:1.2em;
-}
-
-
-@media only screen and (max-width: 481px) {
-    #menu {
-	width: 750px;
-	margin: 0 auto;
-    }
-
-    header{
-	margin:0;
-	padding:0;
-	width:750px;
-	height:220px;
-	background:#fff;
-	background-position:right;
-	background-repeat:no-repeat;
-	font-weight:bold;
-	font-size:18px;
-	font-family:'Yu Mincho', meiryo ,sans-serif;
-	text-align:center;
-	color:#40361f;
-    }
-
-    header img{
-	width:750px;
-    }
-
-    #menu{
-	width: 0px;
-	font-family: 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
-	font-size:x-small;
-	display: inline-block;
-	overflow: hidden;
-    }
-
-    #menu ul{
-	background:#fff;
-	list-style-type:none;
-	overflow: hidden;
-    }
-
-    #menu li{
-	width: 180px;
-	height:140px;
-	text-align: center;
-	border-bottom: 1px solid #ebe4da;
-	float: left;
-	line-height: 50px;
-	margin-right: 10px;
-    }
-
-    #menu a{
-	width:95%;
-	height:80%;
-	display:block;
-	text-decoration:none;
-	color:#463a1c;
-	text-decoration: none;
-	font-weight: bold;
-    }
-
-    #menu a:hover{
-	background-color: rgba(255,213,236,0.5);
-    }
-
-    #menu a:active{
-	background-color: #FF9999;
-    }
-
-    #menu a:after{
-	font-family: 'Mv Boli', cursive;
-	font-size:0.8em;
-	color: #cbbe9c;
-	position:absolute;
-	bottom:0;
-	left:5px;
-    }
-
-    #menu li.now{
-	background-color: rgba(255,213,236,0.5);
-    }
-    #menu li:last-child{
-	border-bottom:none;
-    }
-
-} 
-
-.box8 {
-    padding: 0.5em 1em;
-    margin: 2em 0;
-    color: #232323;
-    background: #fff8e8;
-    border-left: solid 10px #ffc06e;
-}
-.box8 p {
-    margin: 0;
-    padding: 0;
-    font-size: xx-large;
-}
-
-
-html {
-height: 100%;
-}
-
-body {
-height : 100%;
-}
-
-