h1,
h2,
p {
  font-size: 14px;
}
section {
  margin-top: 0px;
}
a {
  color: initial;
}
body {
  margin: 0px;
  /* 「BIZ UDPゴシック」をWindowsで指定 */
  font-family: "Helvetica Neue",
    Arial,
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    "BIZ UDPGothic",
    Meiryo,
    sans-serif;
}
ul {
  list-style: none;
  padding-left: 1rem;
}

.campaign {
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: center;
  justify-content: center;
  position: relative;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(90deg, #ffa8d199, #59c2d599);
}
.campaign__pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: inherit;
  height: inherit;
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(255, 255, 255, 0.2),
    rgba(255, 255, 255, 0.2) 2px,
    transparent 2px,
    transparent 10px
  );
}
.campaign__contents {
  z-index: 1;
  max-width: 852px;
  font-size: 14px;
  margin: 40px 16px;
}
.campaign__section {
  padding: 32px;
  background-color: #fff;
}
.campaign__section--introduction {
  text-align: left;
}
.campaign__section--main {
  margin-top: 40px;
  text-align: center;
}

.campaign__title {
  font-weight: bold;
  text-align: center;
  font-size: 18px;
}

.campaign__topic-title {
  font-size: 16px;
  margin: 32px 0 12px;
}
.campaign__topic-ul {
  list-style: none;
  margin-top: 16px;
}
.campaign__schedule {
  margin: 16px 0;
}
.campaign__link-li {
  margin-top: 24px;
}
.campaign__introduction,
.campaign__main {
  margin: 16px 0 32px;
  padding: 32px;
  text-align: center;
  background-color: #fff;
}
.campaign__main-title {
  font-size: 18px;
}
.campaign__caution {
  text-align: left;
}
.campaign__wrap-visual {
  max-width: 852px;
}
.campaign__wrap-video {
  margin-top: 16px;
}

.campaign__wrap-button {
  margin-top: 8px;
  text-align: center;
}
.campaign__button {
  margin-top: 16px;
  padding: 8px 32px;
  font-size: 13px;
  font-weight: bold;
  border: none;
  letter-spacing: 0.05em;
  color: #fff;
  background-color: #000;
  transition: all 0.3s ease;
}
.campaign__button:hover {
  background-color: #ffb6b7;
  transition: all 0.3s ease;
}
.campaign__text-break {
  display: inline-block;
}

.campaign__hr {
  margin: 16px auto 32px;
  height: 4px;
  background-image: linear-gradient(122.73deg, #ffa8d199, #59c2d599);
  border: none;
  max-width: 180px;
}

@media screen and (max-width: 540px) {
  .campaign__section {
    padding: 32px 16px;
  }
}

.login-info {
  margin-top: 30px;
  color: crimson;
  text-align: center;
  font-weight: bold;
  font-size: 17px;
}