body{
padding:0;
margin:0;
}
h1{
color:#00bfff;
font-size:250%;
}
div{
max-width:640px;
margin-right:auto;
margin-left:auto;
}
h1,h2,h3,h4,li,footer{
text-align:center;
font-family: 'Roboto', sans-serif;
}
.prv_white_font_s2_0em{
color:#ffffff;
font-size:2.0em;
text-align:center;
}
.prv_white_font_s1_5em{
color:#ffffff;
font-size:1.5em;
}
.prv_white_font_s1_0em{
color:#ffffff;
font-size:1.0em;
}
.prv_white_font_s1_0em_center{
color:#ffffff;
font-size:1.0em;
text-align:center;
}
.prv_white_font_s0_5em{
color:#ffffff;
text-align:center;
font-size:0.5em;
}
.prv_right{
text-align:right;
}
.prv_right_font_s0_7em{
text-align:right;
font-size:0.7em;
}
.prv_left_font_s1_0em{
text-align:left;
font-size:1.0em;
}
.prv_left_font_s0_7em{
text-align:left;
font-size:0.7em;
}
.prv_left_font_s0_5em{
text-align:left;
font-size:0.5em;
}
.fontsize_1_0em{
font-size:1.0em;
}
.prv_right{
text-align:right;
}
.prv_left{
text-align:left;
}
.prv_center{
text-align:center;
}
li{
list-style:none;
width:25%;
float:left;
}
ul:after{
content:"";
display:block;
clear:both;
}
ul{
padding:0;
}
.pad_5em{
text-align:left;
padding: 0em 5em;
}
.pad_3em_line_height_120per{
text-align:left;
line-height:120%;
padding:1.0em 3em;
}
.prv_right_pad_1em{
text-align:right;
padding:1.0em;
}
table{
width:100%;
}
th{
text-align:left;
}
li a{
color:#000;
}
.prv_a{
color:#000;
}
li a:hover{
text-decoration:none;
color:#0000ff;
}
.prv_a:hover{
text-decoration:none;
color:#0000ff;
}
header{
background-image:url(photo/honeycomb_1024x220.png);
background-repeat:no-repeat;
background-position:center top;
background-size:1024px 240px;
}
.prv_white{
color:#ffffff;
text-align:center;
}
img{
max-width:100%;
}
iframe{
max-width:100%;
}
.prv_left_pad_1em_line_height_120per{
text-align:left;
padding:1.0em;
line-height:120%;
}
.prv_bold{
font-weight: bold;
color: #00FF7F;
}

@media(max-width:640px){
li{
width:auto;
float:none;
}
li a{
padding:1em;
margin-bottom:0.5em;
display:block;
background-color:#00bfff;
border-radius:6px;
text-decoration:none;
}
.prv_white_font_s2_0em{
color:#ffffff;
font-size:1.8em;
text-align:center;
}
}