/*--- 共通 ---*/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* 基準フォントサイズ */
  --root-font-size: 16;
  /* remスケーリング */
  --scale-rem: calc(1rem / var(--root-font-size));
}
html,
body {
  min-height: 100svh;
  margin: 0 auto;
  background-image: url(../../images/main-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center top;
  color: #000;
  font-size: calc(16 * var(--scale-rem));
  font-family: 'Noto Sans JP', sans-serif, 'Hiragino Kaku Gothic Pro', Meiryo;
}
main {
  display: flex;
  flex-direction: column;
  height: 100svh;
  padding-top: 72px;
  padding-bottom: 20px;
  overflow: scroll;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

._none {
  display: none !important;
}
._hidden {
  visibility: hidden !important;
}