/*
CSS Reset
http://meyerweb.com/eric/tools/css/reset/
*/

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
  display: block;
}
body {
  line-height: 1;
}
ol, ul {
  list-style: none;
}
blockquote, q {
  quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* particleground demo */

* { 
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
	font-family: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
	color: #fff;
	line-height: 1.3;
	-webkit-font-smoothing: antialiased;
	background-color: #009933;
}

#particles {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.intro {
	position: absolute;
	left: 1px;
	top: 50%;
	padding: 0 20px;
	width: 100%;
	text-align: center;
}
h1 {
	font-size: 60px;
	font-weight: 700;
}
h1::after {
  content: '';
  width: 80px;
  display: block;
  background: #fff;
  height: 10px;
  margin: 30px auto;
  line-height: 1.1;
}
p {
  margin: 0 0 30px 0;
  font-size: 24px;
}
.icon {
	font-size: 24px;
  display: inline-block;
}
#enter {
	font-size: 20px;
	opacity: 0.7;
	-webkit-transition: all 0.8s;
	-moz-transition: all 0.8s;
	-o-transition: all 0.8s;
	transition: all 0.8s;
	letter-spacing: 1em;
	margin-top: 50px;
	text-indent: 2.5em;
}
#enter:hover {
	opacity: 1.0;
	font-weight: bold;
}
#footer {
	background-color: #000;
	opacity: 0.1;
	position: fixed;
	bottom: 0px;
	width: 100%;
	height: 34px;
}
#credit {
	font-size: 14px;
	color: #FFF;
	position: fixed;
	bottom: 10px;
	width: 100%;
}
#credit p {
	text-align: center;
	margin-top: 0px;
	margin-right: auto;
	margin-bottom: 0px;
	margin-left: auto;
	font-size: 12px;
}

@media only screen and (max-width: 1000px) {
  h1 {
    font-size: 50px;
  }
}

@media only screen and (max-width: 810px) {
  h1 {
    font-size: 36px;
  }
  h1::after {
    height: 8px;
  }
  p {
    font-size: 18px;
  }
}

@media only screen and (max-width: 568px) {
  .intro {
    padding: 0 10px;
  }
  h1 {
    font-size: 30px;
  }
  h1::after {
    height: 6px;
  }
  p {
    font-size: 16px;
  }
  .btn {
    font-size: 16px;
  }
}

@media only screen and (max-width: 320px) {
  h1 {
    font-size: 24px;
  }
  h1::after {
    height: 4px;
  }
  p {
    font-size: 14px;
  }
}
#enter a {
	color: #FFF;
	text-decoration: none;
}