/*
Reset css
============================================*/
html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
  box-sizing: border-box;
}

body {
  line-height: 1;
  font-family: "Yu Gothic Medium", "游ゴシック Medium", "Yu Gothic", "游ゴシック", YuGothic, "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", "Meiryo";
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}

ul, ol {
  list-style: none;
}

img {
  border-style: none;
  /*max-width: 100%;*/
}

a {
  text-decoration: none;
  border: 0;
  outline: none;
}

/*
contents
---------------------*/
body{
  height: 100%;
  text-align: center;
}
img{vertical-align: bottom;}
#wrap {
  background: url(../img/bg.png) #eaeaea center no-repeat;
  background-size: auto 100vh;
  margin: 0 auto;
  width: auto;
  height: 100vh;
  position: relative;
}
#wrap .inner {
  display: flex;
  flex-flow: column;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  width: 100%;
  max-width: calc(100vh * 1.125);
  height: 100vh;
  box-sizing: border-box;
  overflow-y: hidden;
}
#wrap .inner .pic1 {
  padding: 0 0;
  text-align: center;
}
#wrap .inner .pic1 a img {
  margin: 0 auto;
  width: auto;
  height: 46vh;
}
#wrap .inner a.btn {
  display: block;
  margin: 3vh auto 0 auto;
  width: auto;
}
#wrap .inner a.btn img {
  width: auto;
  height: 7.0vh;
}
#wrap .inner a:hover img {
  opacity: 0.95;
}