* {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Zen Maru Gothic", sans-serif;
  width: auto;
  color: #3f5563;
  letter-spacing: 0.05em;
  background-color: white;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  overflow-x: hidden;
}

section {
  padding-top: 40px;
}

section:nth-of-type(odd) {
  background-color: #feffff;
}

section:nth-of-type(even) {
  background-color: #fafbfc;
}

h3 {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 40px;
}

a {
  transition: opacity 0.3s;
  text-decoration: none;
}

/*ヘッダー*/
header {
  height: 70px;
  position: fixed;
  width: 100%;
  background-color: #eaeff3;
  box-shadow: 0 5px 10px -6px #3f5563;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0px 30px;
}

header h1 {
  font-family: "Zen Kaku Gothic Antique", sans-serif;
  color: #8ea2af;
  font-size: 32px;
  font-weight: bold;
  line-height: 0.5;
  margin-right: 20px;
  letter-spacing: 0.05em;
}

header h1 a {
  color: #8ea2af;
}

nav ul {
  display: flex;
  justify-content: right;
  list-style: none;
  margin-right: 60px;
}

nav li:not(:last-child) {
  margin-right: 40px;
}

nav li a {
  position: relative;
  font-size: 18px;
  font-weight: bold;
  display: inline-block;
  transition: 0.3s;
  letter-spacing: 0.05em;
  color: #8ea2af;
}

nav li a:hover:after {
  width: 100%;
}

nav li a:hover {
  color: rosybrown;
}

/* トップ */

.top {
  background-color: #fafdff;
  text-align: center;
  padding-top: 100px;
}

.top-text {
  color: #b5d3d7;
  margin-right: 70px;
}

h1 {
  font-family: "Zen Kaku Gothic Antique", sans-serif;
  font-size: 128px;
}

.top h2 {
  font-size: 24px;
  margin-top: 20px;
}

.title {
  font-size: 18px;
  margin-top: 20px;
}

.top img {
  width: auto;
  height: 500px;
  margin-top: 50px;
}

.top-item {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 寝かせるの解釈 */

.kaisyaku {
  height: auto;
}

.kaisyaku h3 {
  font-size: 40px;
  font-weight: bold;
  margin-bottom: 40px;
}

.flex {
  display: flex;
  justify-content: center;
}

.kaisyaku img {
  width: auto;
  height: 300px;
  margin-right: 20px;
  margin-bottom: 70px;
}

.kaisyaku-text {
  margin-top: 50px;
}

.k-1 {
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 50px;
}

.k-2 {
  font-size: 20px;
}

/* about */

.about h3 {
  margin-top: 40px;
}

.about {
  height: auto;
}

.about p {
  font-size: 20px;
}

.about-target2 {
  margin-bottom: 90px;
}

.about-flex1 {
  display: flex;
  justify-content: space-around;
  margin-bottom: 100px;
}

.about-flex2 {
  display: flex;
  justify-content: space-around;
  padding-bottom: 100px;
}

.about img {
  width: auto;
  height: 150px;
}

figcaption {
  font-size: 20px;
  margin-top: 10px;
  font-weight: bold;
}

.margin {
  margin-left: 200px;
  margin-right: 200px;
  margin-bottom: 50px;
}

/*Point*/

.point h3 {
  margin-top: 40px;
  margin-bottom: 70px;
}

.point-list {
  display: flex;
  flex-flow: column;
  align-items: center;
}

.point-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  width: 70%;
  margin-bottom: 70px;
  text-align: left;
}

.point img {
  width: 250px;
  margin-right: 40px;
}

.point-body {
  flex: 1;
  margin-top: 10px;
}

.point-name {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 20px;
}

.point-text {
  font-size: 20px;
  line-height: 1.8;
}

/* How to */

.howto h3 {
  margin-top: 40px;
  margin-bottom: 70px;
}

.howto-list {
  display: flex;
  flex-flow: column;
  align-items: center;
  justify-content: center;
}
.howto-flex {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  width: 70%;
  margin-bottom: 70px;
  text-align: left;
}

.howto img {
  width: 200px;
  height: auto;
  margin-right: 40px;
}

.howto-text {
  flex: 1;
  margin-top: 10px;
  text-align: left;
  margin-top: 30px;
  margin-right: 20px;
}

.h-1 {
  font-size: 28px;
  margin-bottom: 20px;
  font-weight: bold;
}

.h-2 {
  font-size: 20px;
  line-height: 1.8;
}

/* fotter */
footer {
  color: #fafbfb;
  background: #8ea2af;
  text-align: center;
  padding: 30px;
  clear: both;
}
footer a {
  color: #fafbfb;
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}
footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
footer ul li {
  margin: 0;
  padding: 0 20px;
}
footer .copyright {
  margin: 0;
  padding: 30px 0 0 0;
}

@media only screen and (max-width: 779px) {
  body {
    font-family: "Zen Maru Gothic", sans-serif;
    width: auto;
    color: #3f5563;
    letter-spacing: 0.05em;
    background-color: white;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    overflow-x: hidden;
  }

  section {
    padding-top: 40px;
  }

  section:nth-of-type(odd) {
    background-color: #feffff;
  }

  section:nth-of-type(even) {
    background-color: #fafbfc;
  }

  h3 {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 40px;
  }

  a {
    transition: opacity 0.3s;
    text-decoration: none;
  }

  /*ヘッダー*/
  header {
    height: 70px;
    position: fixed;
    width: 100%;
    background-color: #eaeff3;
    box-shadow: 0 5px 10px -6px #3f5563;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0px 30px;
  }

  header h1 {
    font-family: "Zen Kaku Gothic Antique", sans-serif;
    color: #8ea2af;
    font-size: 24px;
    font-weight: bold;
    line-height: 0.5;
    margin-right: 20px;
    letter-spacing: 0.05em;
  }

  header h1 a {
    color: #8ea2af;
  }

  nav ul {
    display: flex;
    justify-content: right;
    list-style: none;
    margin-right: 60px;
  }

  nav li:not(:last-child) {
    margin-right: 20px;
  }

  nav li a {
    position: relative;
    font-size: 16px;
    font-weight: bold;
    display: inline-block;
    transition: 0.3s;
    letter-spacing: 0.05em;
    color: #8ea2af;
  }

  nav li a:hover:after {
    width: 100%;
  }

  nav li a:hover {
    color: rosybrown;
  }

  /* トップ */

  .top {
    background-color: #fafdff;
    text-align: center;
    padding-top: 100px;
  }

  .top-text {
    color: #b5d3d7;
  }

  h1 {
    font-family: "Zen Kaku Gothic Antique", sans-serif;
    font-size: 96px;
  }

  .top h2 {
    font-size: 20px;
    margin-top: 20px;
  }

  .title {
    font-size: 16px;
    margin-top: 20px;
  }

  .top img {
    width: auto;
    height: 500px;
    margin-top: 50px;
  }

  .top-item {
    display: block;
    align-items: center;
    justify-content: center;
  }

  /* 寝かせるの解釈 */

  .kaisyaku {
    height: auto;
  }

  .kaisyaku h3 {
    font-size: 36px;
    font-weight: bold;
    margin-top: 40px;
  }

  .flex {
    display: block;
    justify-content: center;
  }

  .kaisyaku img {
    width: 250px;
  }

  .k-1 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
  }

  .k-2 {
    font-size: 16px;
    margin-bottom: 70px;
  }

  /* about */

  .about h3 {
    margin-top: 40px;
  }

  .about {
    height: auto;
  }

  .about p {
    font-size: 16px;
  }

  .about-target2 {
    margin-bottom: 90px;
  }

  .about-flex1 {
    display: flex;
    justify-content: space-around;
    margin-bottom: 100px;
  }

  .about-flex2 {
    display: flex;
    justify-content: space-around;
    padding-bottom: 100px;
  }

  .about img {
    width: 100px;
    height: auto;
  }

  figcaption {
    font-size: 16px;
    margin-top: 10px;
    font-weight: bold;
  }

  .margin {
    margin-left: 200px;
    margin-right: 200px;
    margin-bottom: 50px;
  }

  /*Point*/

  .point h3 {
    margin-top: 40px;
    margin-bottom: 70px;
  }

  .point-list {
    display: flex;
    flex-flow: column;
    align-items: center;
  }

  .point-item {
    display: block;
    width: 80%;
    margin-bottom: 70px;
    text-align: center;
  }

  .point img {
    width: 250px;
    margin-bottom: 30px;
  }

  /* .point-body {
    flex: 1;
    margin-top: 10px;
  } */

  .point-name {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
  }

  .point-text {
    font-size: 16px;
    line-height: 1.8;
    text-align: left;
  }

  /* How to */

  .howto h3 {
    margin-top: 40px;
    margin-bottom: 70px;
  }

  .howto-list {
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
  }
  .howto-flex {
    display: block;
    align-items: flex-start;
    justify-content: space-between;
    width: 80%;
    margin-bottom: 70px;
    text-align: center;
  }

  .howto img {
    width: 200px;
    height: auto;
  }

  .howto-text {
    margin-top: 30px;
  }

  .h-1 {
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: bold;
    text-align: center;
  }

  .h-2 {
    font-size: 16px;
    line-height: 1.8;
    text-align: left;
  }

  /* fotter */
  footer {
    color: #fafbfb;
    background: #8ea2af;
    text-align: center;
    padding: 30px;
    clear: both;
  }
  footer a {
    color: #fafbfb;
    text-decoration: none;
  }
  footer a:hover {
    text-decoration: underline;
  }
  footer ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }
  footer ul li {
    margin: 0;
    padding: 0 20px;
  }
  footer .copyright {
    margin: 0;
    padding: 30px 0 0 0;
  }
}