html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: YakuHanJP, "Noto Sans JP", sans-serif;
  font-weight: 500;
  font-size: 62.5%;
  display: flex;
  justify-content: center;
  align-items: stretch;
  background-color: #f2F2F2;
  overflow-x: hidden;
  overflow-y: auto;
}


.wrapper {
  display: flex;
  flex-direction: row;
  width: 100%;
  margin: 0 auto;
  min-height: 100vh;
}

/* メインコンテンツ */
.content {
  flex: 0 0 750px;
  overflow-y: auto;
  background-color: #fff;
  box-sizing: border-box;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.content::-webkit-scrollbar {
  display: none;
}

.content_inner {
  width: 100%;
  max-width: 750px;
  margin: 0 auto;
  box-sizing: border-box;
}

.section {
  width: 94%;
  margin: 80px auto;
}

img {
  width: 100%;
}

.font_blue {
  color: #2a3e88;
}

.font28 {
  font-size: 2.8rem;
  text-align: center;
  line-height: 1.8;
}

.font32 {
  font-size: 3.2rem;
  text-align: center;
  line-height: 1.8;
}

.font40 {
  font-size: 4.0rem;
  text-align: center;
  font-weight: 900;
  line-height: 1.8;
}

.margin40 {
  margin: 40px auto;
}

.margin80 {
  margin: 80px auto;
}

/* .gradation {
  background:
    radial-gradient(circle at 20% 30%, #ffd1dc 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, #c5c7f5 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, #b5f5c5 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, #fff4b8 0%, transparent 50%),
    linear-gradient(135deg, #ffe4ec, #e8f0ff, #d5ffe2);
  background-attachment: scroll; 
  background-size: 100% 100%;
  background-repeat: no-repeat;
  padding: 80px 0;} */

.gradation {
  position: relative;
  z-index: 0;
  padding: 80px 0;
  overflow: hidden;
}

.gradation::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 30%, #ffd1dc 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, #c5c7f5 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, #b5f5c5 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, #fff4b8 0%, transparent 50%),
    linear-gradient(135deg, #ffe4ec, #e8f0ff, #d5ffe2);
  background-size: cover;
  background-repeat: no-repeat;
  z-index: -1;
}

.highlight {
  display: inline;
  font-weight: bold;
  background: linear-gradient(to top, #91f25f 30%, transparent 30%);
  font-weight: 900;
}

.deadline {
  background-color: #2a3e88;
  color: #fff;
  text-align: center;
  padding: 20px;
  margin: 80px 0;
  font-weight: bold;
}

.aeon_txt {
  font-size: 3.2rem;
  line-height: 1.8;
  width: 92%;
  text-align: justify;
}

.note {
  font-size: 3.2rem;
  text-align: center;
  line-height: 1.8;
  color: #c4052a;
}

.carousel_list {
  width: 90%;
  margin: 0 auto;
}

.contact_title {
  font-weight: 900;
}
.ecopa {
  width: 40%;
  max-width: 320px;
  margin: 40px auto;
}

.tyouseika {
  font-weight: 900;
  letter-spacing: .2rem;
}
.attention {
  font-size: 2.8rem;
  line-height: 1.8;
  width: 92%;
  text-align: justify;
}

.footer_logo {
  width: 85%;
  max-width: 600px;
  margin: 0 auto;
}

/* サイドメニュー */
.menu_logo {
  width: 50%;
  margin: 40px 0;
}

.sidebar {
  flex: 0 0 200px;
  padding: 20px;
  box-sizing: border-box;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.menu-title {
  font-weight: bold;
  color: #2a3e88;
  font-size: 24px;
  margin-bottom: 20px;
}

.menu-item {
  margin: 10px 0;
  text-decoration: none;
  display: block;
  font-size: 20px;
}

.menu-item:hover {
  text-decoration: underline;
}

/* レスポンシブ対応 */
@media screen and (max-width: 980px) {
  .sidebar {
    display: none;
  }

  .fixed-background {
    display: none;
  }

}

@media screen and (max-width: 480px) {
  body {
    flex-direction: column;
    align-items: stretch;
  }

  .wrapper {
    flex-direction: column;
    max-width: 100%;
  }

  .content {
    width: 100%;
    height: auto;
    overflow: visible;
  }

  .font28 {
    font-size: calc(1.8rem + (1vw - 0.64rem) * 0.7143);
  }

  .font32 {
    font-size: calc(2.2rem + (1vw - 0.64rem) * 2.1429);
  }

  .font40 {
    font-size: calc(2.6rem + (1vw - 0.64rem) * 2.1429);

  }

  .margin40 {
    margin: 20px auto;
  }

  .margin80 {
    margin: 40px auto;
  }

  .gradation {
    padding: 40px 0;
  }

  .deadline {
    margin: 40px auto;
  }

  .aeon_txt {
    font-size: calc(2.2rem + (1vw - 0.64rem) * 2.1429);
  }

  .note {
    font-size: calc(2.2rem + (1vw - 0.64rem) * 2.1429);
  }

  .ecopa {
    width: 50%;
  }

  .attention {
    font-size: calc(1.8rem + (1vw - 0.64rem) * 0.7143);
  }

  .footer_logo {
    width: 80%;
  }

}