/*共通部分*/
html {
  font-size: 62.5%;
}

body {
  font-family: "Noto Sans JP", "游ゴシック", YuGothic, "メイリオ", Verdana, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.75;
  color: #000;
  background-color: #fff;
}

a {
  color: #000;
  text-decoration: none;
}

h1 {
  text-align: center;
  color: #fff;
  letter-spacing: 0.3rem;
  font-size: 4rem;
}

ul {
  list-style: none;
  padding-left: 0;
}

main {
  padding: 5rem 2rem;
}

@media (min-width: 769px) {
  main {
    margin: 0 auto;
    max-width: 500px;
  }
}

/*ヘッダー*/

header {
  position: fixed;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 100;
  width: 100%;
  height: 5rem;
  background-color: #00a1e9;
  padding: 0 2rem;
  box-sizing: border-box;
  color: #ffffff;
  opacity: 0.9;
}

@media (min-width: 769px) {
  header {
    padding: 0 14.3rem;
  }
}

/*SPナビゲーション*/
.sp-logo {
  height: 5rem;
}

.sp-logo img {
  height: 5rem;
}

.sp-nav {
  position: absolute;
  top: 5rem;
  left: 0;
  width: 100%;
  display: none;
  z-index: 1000;
  padding: 0 2rem;
  font-size: 2.4rem;
  text-align: center;
  box-sizing: border-box;
  background-color: #00a1e9;
}

.sp-nav-list {
  list-style: none;
  margin: 5rem 0;
  padding: 0;
}

.sp-nav-list li {
  margin-bottom: 3rem;
}

.sp-nav-list a {
  color: #ffffff;
}

/*SPナビゲーションのボタン*/
.openbtn {
  position: relative;
  background-color: #00a1e9;
  cursor: pointer;
  width: 2.5rem;
  height: 5rem;
}

@media (min-width: 769px) {
  .openbtn {
    display: none;
  }
}

.openbtn span {
  display: inline-block;
  transition: all 0.4s;
  /*アニメーションの設定*/
  position: absolute;
  height: 0.3rem;
  background: #fff;
  width: 100%;
  border-radius: 2rem;
}

.openbtn span:nth-of-type(1) {
  top: 1.5rem;
}

.openbtn span:nth-of-type(2) {
  top: 2.3rem;
}

.openbtn span:nth-of-type(3) {
  top: 3.1rem;
}

.openbtn.active span:nth-of-type(1) {
  top: 1.8rem;
  transform: translateY(6px) rotate(-45deg);
  width: 100%;
}

.openbtn.active span:nth-of-type(2) {
  opacity: 0;
}

.openbtn.active span:nth-of-type(3) {
  top: 3rem;
  transform: translateY(-6px) rotate(45deg);
  width: 100%;
}

/*PCナビゲーション*/
.pc-nav {
  display: none;
}

@media (min-width: 769px) {
  .pc-nav {
    display: block;
    width: 70%;
  }
}

.pc-nav-list {
  display: flex;
  justify-content: space-between;
}

.pc-nav-list li a {
  color: #fff;
}

/*タイトル*/
.title h1 {
  color: #000;
  font-size: 2rem;
  margin: 0;
}

@media (min-width: 769px) {
  .title h1 {
    font-size: 3rem;
  }
}

.title h3 {
  color: #6baec4;
  text-align: center;
  margin: 0;
  font-size: 1rem;
}

@media (min-width: 769px) {
  .title h3 {
    font-size: 2rem;
  }
}

/*footer*/
.footer {
  background-color: #00a1e9;
  color: #fff;
  padding: 0 2rem;
  text-align: center;
}

@media (min-width: 769px) {
  .footer {
    padding: 0 14.3rem;
  }
}

.footer div a {
  color: #fff;
}