@charset "UTF-8";

body {
  font-family: "ヒラギノ角ゴ ProN", "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  margin: 0;
  padding: 0;
}

header {
  margin-bottom: 0;
}

header .inner {
  height: 80px;
  display: flex;
  align-items: center;
  padding: 0;
}

header img {
  width: 185px;
  margin-left: 15px;
}

footer {
  position: relative;
  z-index: 1;
}

footer .inner {
  height: 80px;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;

}

footer .inner::after {
  display: none;
}

footer p {
  font-size: 14px;
  letter-spacing: 0.05em;
  margin: 0;
}

.back {
  position: fixed;
  right: 10px;
  bottom: 20px;
  z-index: 1;
  padding: 15px 10px;
  background-color: #fff;
  border: 1px solid #ccc;
  font-size: 14px;
  color: #00aaeb;
  display: flex;
  justify-content: center;
  align-items: center;
  text-decoration: underline;
}

.ttl_main {
  text-align: center;
}

.ttl_main img {
  width: 100%;
  max-width: 600px;

}

@media (hover:hover) {
  .back:hover {
    text-decoration: none;
  }
}

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

@media screen and (max-width: 767px) and (orientation: portrait) {
  body {
    min-width: auto;
  }

  header .inner {
    height: calc(120 / 750 * 375px);
  }

  header img {
    width: calc(246 / 750 * 375px);
  }


  footer .inner {
    height: calc(100 / 750 * 100vw);
  }

  footer p {
    font-size: calc(22 / 750 * 100vw);
  }

}