* {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  margin: 0;
  background: url("../img/bg.jpg");
  background-attachment: fixed;
  background-size: cover;
  height: 100%;
  color: #f2ecd7;
  font-family: Serif;
}

.subtitle--lang {
  font-size: 60%;
  opacity: 0.8;
  font-weight: normal;
}

.code_guide .subtitle--lang,
.dl_message .subtitle--lang,
.reload .subtitle--lang {
  font-size: 90%;
}


#body_id_form #alert font {
  display: none;
}

#body_id_form #alert:before {
  content: "コード入力エラー";
  color: #F00;
  font-size: 150%;
}

#wrapper {
  min-height: 100%;
  position: relative;
  padding-bottom: 7em;
}

.content {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0.5em;
  text-align: center;
}

h1 {
  margin: 5% 0;
  line-height: 1.3;
  color: #ead07e;
}

h1 .headline {
  font-size: 60%;
  line-height: 2;
  color: #f2ecd7;
}

.container {
  width: 100%;
  padding: 1em;
  background-color: rgba(0, 0, 0, 0.5);
  border: 1.5px #99782d solid;
  color: #c9ba92;
}

.serialcode {
  display: block;
}

.inputarea {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  font-size: 150%;
  margin: 3% 0;
}

#body_id_confirm .inputarea {
  display: block;
  text-align: center;
}

h2 {
  font-size: 100%;
  margin: 0.3em 0;
  margin-right: 1em;
}

.codearea {}

#body_id_confirm .codearea {
  border: 1px #666 solid;
  padding: 0.2em 1em;
  width: 90%;
  margin: 0 auto;
  border-radius: 5px;
  background-color: #FFF;
}

.code_guide {
  text-align: left;
  font-size: 70%;
  margin-top: 2%;
}

#code_sample {}

#code_sample img {
  display: block;
  width: 60%;
  max-width: 850px;
  margin: 0 auto;
}

#body_id_confirm .code_guide,
#body_id_confirm #code_sample {
  display: none;
}

h4 {
  display: none;
}

.inputarea input[type=text] {
  width: 22em;
  font-size: 120%;
}

#btn_area {
  margin-top: 5%;
  margin-bottom: 3%;
}

#btn_area input {
  font-size: 150%;
  font-weight: bold;
  text-align: center;
  width: 6em;
  background-color: #99782d;
  color: rgb(255, 255, 255);
  border: 1px rgb(122, 96, 26) solid;
  padding: 0.3em 1em;
  margin: 0 0.5em;
  font-family: Serif;
  cursor: pointer;
}

#btn_area #btn_bck {
  background-color: #858585;
}

#btn_area hr {
  width: 100%;
  display: none;
}

.attention {
  text-align: left;
  margin-bottom: 10%;
}

.attention h5 {
  font-size: 150%;
  margin-bottom: 0.5em;
}

.attention ul {
  margin: 0;
  padding: 0;
  margin-left: 1.5em;
}

.dl_message {
  text-align: left;
  font-size: 130%;
}

.btn__download {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 5% 0;
}

a.dl_button {
  display: block;
  margin: 5% auto;
  width: 70%;
  margin: 1%;
  min-width: 11em;
  text-align: center;
  font-size: 110%;
  text-decoration: none;
  color: #666;
  padding: 0.5em 1em;
  border: 1px #888 solid;
  border-radius: 5px;
  background: linear-gradient(to bottom, #FFF, #fff5c3);
}

a.dl_button::first-line {
  color: #111;
  font-size: 120%;
  font-weight: bold;
}

.reload {
  text-align: center;
  margin-bottom: 3%;
}
footer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1em;
  background-color: rgba(0,0,0,1);
  text-align: center;
  color: #FFF;
  font-size: 75%;
}

footer img{
  width:40%;
  max-width:220px;
}

@media screen and (max-width:768px) {
  h1 {
    font-size: 4vw;
  }

  form .inputarea {
    font-size: 3.2vw;
  }

  .content {
    width: 90%;
  }

  .inputarea input[type=text] {
    width: 100%;
  }

  #code_sample img {
    display: block;
    width: 100%;
    max-width: 850px;
    margin: 0 auto;
  }

  .codearea {
    width: 100%;
    text-align: center;
  }
}

@media screen and (max-width:640px) {
  a.dl_button {
    width: 95%;
  }
}