* {
  box-sizing: border-box;
    padding: 0;
    margin: 0;
}

html {
  font-size: 7px;
  scroll-behavior: smooth;
}

@media (max-width: 768px) {
  html {
    font-size: 10px;
  }
}

body {
  font-size: 1.6rem;
  font-weight: 500;
  color: #222222;
  font-family: "heisei-kaku-gothic-std", sans-serif;
  font-style: normal;
  overflow-x: hidden;
}

@media (max-width: 768px) {
  body {
    font-size: 2.6rem;
    line-height: 2;
  }
}

main {
  margin-top: 70px;
}

img {
  max-width: 100%;
}

em {
  font-style: normal;
}

@media (max-width: 768px) {
  .pc-only {
    display: none;
  }
}

@media (min-width: 769px) {
  .sp-only {
    display: none;
  }
}
.c-header {
  align-items: center;
  background-color: #fff;
  display: flex;
  justify-content: space-between;
  left: 0;
  padding: 11px 19px;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 500
}
.attention_title {
  font-size: 3.6rem;
}