@import url(https://fonts.googleapis.com/css?family=Open+Sans:700);
body{
 margin:0;      
}
* {
  padding: 0;
  margin: 0;
}
#cssmenu {
  background: #c9c9c9;
  width: auto;
}
#cssmenu ul {
  list-style: none;
  margin: 0;
  padding: 0;
  line-height: 1;
  display: block;
  zoom: 1;
}
#cssmenu ul:after {
  content: ' ';
  display: block;
  font-size: 0;
  height: 0;
  clear: both;
  visibility: hidden;
}
#cssmenu ul li {
  float: left;
  display: block;
  padding: 0;
}
#cssmenu ul li a {
  color: #ffffff;
  text-decoration: none;
  display: block;
  padding: 15px 25px;
  font-family: 'Open Sans', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 14px;
  position: relative;
  -webkit-transition: color .25s;
  -moz-transition: color .25s;
  -ms-transition: color .25s;
  -o-transition: color .25s;
  transition: color .25s;
}
#cssmenu ul li a:hover {
  color: #0011ff;
}
#cssmenu ul li a:hover:before {
  width: 100%;
}
#cssmenu ul li a:after {
  content: '';
  display: block;
  position: absolute;
  right: -3px;
  top: 19px;
  height: 6px;
  width: 6px;
  background: #ffffff;
  opacity: .5;
}
#cssmenu ul li a:before {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 0;
  background: #0011ff;
  -webkit-transition: width .25s;
  -moz-transition: width .25s;
  -ms-transition: width .25s;
  -o-transition: width .25s;
  transition: width .25s;
}
#cssmenu ul li.last > a:after,
#cssmenu ul li:last-child > a:after {
  display: none;
}
#cssmenu ul li.active a {
  color: #0011ff;
}
#cssmenu ul li.active a:before {
  width: 100%;
}
@media screen and (max-width: 800px) {
  #cssmenu ul li {
    float: none;
  }
  #cssmenu ul li a {
    width: 100%;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
  }
  #cssmenu ul li a:after {
    display: none;
  }
  #cssmenu ul li a:before {
    height: 1px;
    background: #ffffff;
    width: 100%;
    opacity: .2;
  }
  #cssmenu ul li.last > a:before,
  #cssmenu ul li:last-child > a:before {
    display: none;
  }
}

#title{
 margin:0;            /* ←・加 */
}.unnamed1 {  background-color: #000000; height: 80px}

#sample1 {
width: 800px;
margin:10px; 
padding:10px; 
border:5px solid black;
background-color:lightgray;
}

#box {
    background-color: #03A9F4;  /* 背景色指定 */
    width: 800px;               /* 幅指定 */
    margin:  0 auto;            /* 中央寄せ */
}

#masthea_box {
	width: 90%;
	box-shadow: 0px 0px 5px 5px #999999;
	margin: 0 auto;	padding: 0px;
}

#text1 {
	font-size: small;
	margin-right: 15px;
	margin-left: 15px; 
	word-wrap:break-all;
}
#masthead {
	width: 100%;
	margin: 0px auto;
	background-color: #000000;
}

#imgs {
   max-width: 100%;
    height: auto;
    }

#midashi {
	border-bottom: 1px solid #999999;
	border-left: 6px solid #ff6600;
	line-height: 200%;
	margin-top: 8px;
	padding-left: 8px;
	font-size: medium;
	font-weight: bold;
	margin-right: 10px;
	margin-left: 10px;
}

＃flex {
	display: flex;
	justify-content: space-between;
}

#top_nav {
	padding: 5px 10px 5px 10px;
	font-size: large;
	background-color: #FFFFFF;
	color: #000000;
	font-weight: 600;
	text-shadow:2px 2px 2px #C0C0C0;
}

#flex {
   justify-content: space-between;
}

#item {
	margin: 8px;
	box-shadow: 0px 0px 3px 3px #CCCCCC
}