@-moz-document domain("nicovideo.jp") {

div#PAGEHEADER {
     width: 100% !important;
     left: 0px !important;
     background: #FFFFFF url(http://res.nicovideo.jp/img/tpl/bg.gif) repeat-x !important;
     position: fixed !important;
     z-index: 1 !important;
}

div#PAGEHEADER table[width="960"] {
     width: 100% !important;
     padding: 0px  20px !important;
}

div#WATCHHEADER table[width="960"] tr[valign="top"] td[width="100%"] img {
     position: fixed !important;
     top: 30px !important;
     left: 20% !important;
     z-index: 2 !important;
}

div#WATCHHEADER table[width="960"] tr[valign="top"] td[width="100%"] h1 {
     font-size: 16px !important;
     position: fixed !important;
     top: 45px !important;
     left: 20% !important;
     z-index: 2 !important;
}

div#WATCHHEADER table[width="960"] tr[valign="top"] td[width="100%"] a[href="javascript:void(0);"] {
    display: none !important;
}

table[summary="キーワード検索"] {
    position: relative !important;
    top: 40px !important;
    right: 120px !important;
}

div.user_bar {
     padding: 0px !important;
}

div.user_bar table[height="44"] {
     width: 900px !important;
     margin: auto !important;
}

div#PAGEBODY {
     position: relative !important;
     top: 120px !important;
}

div#PAGEFOOTER {
     position: relative !important;
     top: 120px !important;
}

/**************************************
画像の縮小
**************************************/
div#PAGEHEADER img {
     height: 24px !important
}

div#PAGEHEADER img[alt="ニコニコ動画(RC)"] {
    width: 100px !important;
}

div#PAGEHEADER img[alt="きまぐれ検索"] ,
div#PAGEHEADER img[alt="注目のタグ"] ,
div#PAGEHEADER img[alt="ランキング"] {
     width: 32px !important;
}

div#PAGEHEADER table[height="28"] img {
     height: 11px !important;
}

div#PAGEHEADER table[height="28"] img[alt="投稿動画"] {
     width: 58px !important;
}

div#PAGEHEADER table[height="28"] img[alt="再生"] {
     width: 38px !important;
}

div#PAGEHEADER table[height="28"] img[alt="コメント"] {
     width: 50px !important;
}

div#PAGEHEADER img[alt="キーワード検索"] {
     width: 79px !important;
     height: 15px !important;
}

/**************************************
広告画像削除
**************************************/
div[id^="web_pc_"] {
     display: none !important;
}

}

/***************************************
動画再生ページ用(動画Flashを一番上に持ってくる)
***************************************/
@-moz-document url-prefix("http://www.nicovideo.jp/watch/") {

div#PAGEBODY , div#PAGEFOOTER {
     position: relative !important; /*flash部分を移動するための基準を設定*/
     top: 660px !important;          /*660pxの余白を用意(ここにflashが入る)*/
}

div#flvplayer_container {
     top: -540px !important;                          /*flashを一番上へ(高さ130pxのヘッダーの下)*/
     position: absolute !important;                 /*absoluteでflash部分を浮かす*/
}

}