@charset "UTF-8";
/* CSS Document */

html {
  font-size: 62.5% /* 16px × 62.5% = 10px */;
}
.sp {
  display: none;
}

body {
  font-family: "Noto sans JP", "Hiragino Kaku Gothic ProN", "Helvetica Neue", "Helvetica", "Hiragino Sans", "Arial", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 1.8rem;
  font-weight: 400;
  overflow-x: hidden;
  margin: 0;
}
header {
  position: fixed;
  top: 0;
  width: 100%;
  height: 80px;
  background-color: #fff;
  box-shadow: 0px 3px 13px #0000001a;
  z-index: 900;
}
header img {
  display: block;
  width: 132px;
  height: 22px;
  margin: 28px;
}

.note {
  width: 100%;
  padding: 16% 0;
  text-align: center;
  box-sizing: border-box;
}
.note h1 {
  font-size: 2.8rem;
  color: #de151d;
  margin-bottom: 50px;
}
.note p:first-of-type {
  font-size: 2.4rem;
  font-weight: bold;
}
.note p:last-of-type {
  margin-bottom: 36px;
}
.note a {
  position: relative;
  display: block;
  width: 370px;
  padding: 24px 4px;
  background-color: #de151d;
  color: #fff;
  margin: 0 auto;
  font-size: 1.8rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 1em;
  transition: all 0.3s;
}
.note a:hover {
  opacity: 0.5;
}
.note a::after {
  position: absolute;
  content: "";
  width: 10px;
  height: 10px;
  top: 50%;
  right: 20px;
  border-right: 1px solid #fff;
  border-bottom: 1px solid #fff;
  transform: translateY(-50%) rotate(-45deg);
}

@media screen and (max-width: 750px) {
  .sp {
    display: block;
  }
  body {
    font-size: 1.4rem;
  }
  header {
    height: 70px;
  }
  .note {
    width: 100%;
    padding: 0 14px;
    margin-top: 32%;
  }
  .note h1 {
    font-size: 1.8rem;
    margin-bottom: 40px;
  }
  .note p:first-of-type {
    font-size: 1.6rem;
  }
  .note a {
    width: 90%;
    padding: 10px 6px;
    font-size: 1.5rem;
  }
  .note a::after {
    right: 12px;
  }
}