@charset "utf8";


* {
  margin: 0;
  padding: 0;
}

@media screen and (max-width: 767px) {
  ._pc{ display: none; }
}

@media screen and (min-width: 768px) {
  ._sp{ display: none; }
}

body {
  font-family: "Noto Sans JP", serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
}

main {
  overflow-x: hidden;
  overflow-y: hidden;
}

img {
  width: 100%;
  height: auto;
  vertical-align: top;
}

section {
  width: 100%;
  border: 0px solid;
}

picture {
  display: block;
  height: 100%;
}

/*---------------------------
article
---------------------------*/
.article {
  width: 750px;
  height: auto;
  margin: auto;
  /* border: 0px solid; */
}
@media screen and (max-width: 767px) {
  .article {
    width: 100%;
  }
}

.alert_top{
  position: relative;
}

.btn_01{
  position: absolute;
  top:76%;
  left:0;
  right: 0;
  width: 94%;
  margin: auto;
}

.alert_bottom{
  position: relative;
}

.btn_02{
  position: absolute;
  top: 74%;
  left:0;
  right: 0;
  width: 94%;
  margin: auto;
}