body{
    margin: 0 auto 0 auto;
    padding: 0;
    width: 1280px;
    background-color: darkblue;}

header{
    margin: 20px auto 0 auto;
    padding: 20px ;
    width: 1240px;
    background: linear-gradient(#ffffff 20%, #00ff00 50%, #00dd00 70%);}

/* トップバナー１行目 */
.bnr_dcr0{
    margin: 0px;
    padding: 0;
    font-size: 2em;
    color: blueviolet;
    text-align: center;
    font-family: 'Hachi Maru Pop', cursive;
    font-weight: bold;}

/* トップバナー2行目 */
.bnr_dcr1{
    margin: -0px;
    padding: 0;
    font-size: 4em;
    text-align: center;
font-family: 'Mochiy Pop P One', sans-serif;
    color: #FF8C00;
    background: -webkit-linear-gradient(0deg, #ffffff, #0000ff, #40E0D0, #FF8C00, #FF0080, #ff0000);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    position: absolute;
    top: 18%; 
    right: 50%;
    transform: translate(50%,-50%);
    text-transform: uppercase;
    font-size: 4.5em;
    text-shadow: 1px 1px 100px #ffffff,

    1px 5px 8px rgba(16,16,16,0.4),
    1px 5px 5px rgba(16,16,16,0.2),
    1px 55px 15px rgba(16,16,16,0.2),
    1px 10px 7px rgba(16,16,16,0.4);
}

/* トップバナー3～4行目 */
.bnr_dcr2{
    margin: 0px;
    padding: 0 0 0 44em;
    font-size: 1.4em;
    font-weight: bold;
    text-align: left;
    color: darkslateblue;
    font-family: 'Supermercado One', cursive;}

/* コンテンツ全体 */
#m_contents{
    display: inline-flex;
    margin: 50px auto 0 auto;
    padding: 0;
    widows: 1280px;
}

/* ただいま工事中 */
.notes{
    margin: 30px 0 0 0;
    padding: 0;
    widows: 1280px;
    font-size: 1.8em;
    text-align: center;
    color: white;}

/* サイドバー */
aside{
    margin: 0;
    padding: 0;
    width: 350px;
    background: 
      linear-gradient(0deg, indigo, rgba(255,0,0,0) 20%),
      linear-gradient(90deg, indigo, rgba(0,255,0,0) 20%),
      linear-gradient(180deg, indigo, rgba(0,0,255,0) 20%),
      linear-gradient(270deg, indigo, midnightblue 20%);
    text-align: center;
    border-radius: 20px;
    border: solid darkviolet 8px;}

/* サイドバーリンク１ */
.side0{
    margin: 30px 0 0 0;
    padding: 20px;
    font-size: 1.2em;
    font-weight: bold;
    color: white;}

/* サイドバーリンク２ */
.side1{
    margin: 0;
    padding: 20px;
    font-size: 1.2em;
    font-weight: bold;
    color: white;}

/* サイドバーリンク３ */
.side2{
    margin: 0;
    padding: 20px;
    font-size: 1.2em;
    font-weight: bold;
    color: white;}

/* サイドバーリンク４ */
.side3{
    margin: 0;
    padding: 20px;
    font-size: 1.2em;
    font-weight: bold;
    color: white;}

/* セクション全体 */
#m_section{
    margin: 0 0 0 30px;
    padding: 0;
    width: 900px;
    height: 600px;
}

#nav{
    margin: 30px auto 0 auto;
    padding: 0;
    background-color: blue;
}

/* ナビゲーションテーブル */
.nav_tbl{
    border-collapse: collapse;
    margin: 0 auto 0 auto;
    padding: 0;
    background-color: blue;
    text-align: center;
    color: white;
    font-weight: bold;
    font-size: 1.2em;
}

/* ナビ１ */
.nav_tbl_1{
    margin: 0;
    padding: 0;
    width: 180px;
    height: 50px;
    border-right: solid white 1px;
    background: linear-gradient(#ddffff, #0000ff 60%, #0000ff);
    font-family: 'Supermercado One', cursive;}

/* ナビ２ */
.nav_tbl_2{
    margin: 0;
    padding: 0;
    width: 180px;
    height: 50px;
    border-right: solid white 1px;
    background: linear-gradient(#0000ff, #000077);
    font-family: 'Supermercado One', cursive;}

/* ナビ３ */
.nav_tbl_3{
    margin: 0;
    padding: 0;
    width: 180px;
    height: 50px;
    border-right: solid white 1px;
    background: linear-gradient(#0000ff, #000077);
    font-family: 'Supermercado One', cursive;}

/* ナビ４ */
.nav_tbl_4{
    margin: 0;
    padding: 0;
    width: 180px;
    height: 50px;
    border-right: solid white 1px;
    background: linear-gradient(#0000ff, #000077);
    font-family: 'Supermercado One', cursive;}

/* ナビ５ */
.nav_tbl_5{
    margin: 0;
    padding: 0;
    width: 180px;
    height: 50px;
    background: linear-gradient(#0000ff, #000077);
    font-family: 'Supermercado One', cursive;}