body {
  font-family: "Montserrat", "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 15px;
  letter-spacing: 0.05em;
  color: #333;
}

a {
  transition: opacity 0.3s;
  text-decoration: none;
  color: #1ca9e3;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
  border-style: none;
}

.pc-only {
  display: block;
}

.sp-only {
  display: none;
}

/*--------------------------------
 レイアウト
---------------------------------*/
.wrapper {
  padding-top: 73px;
}

.section {
  padding: 90px 0;
}

.section:nth-of-type(odd) {
  background-color: #f7f7f7;
}

.container {
  max-width: 1340px;
  margin: 0 auto;
  padding: 0 40px;
}

/*--------------------------------
 見出し
---------------------------------*/
.title {
  font-size: 34px;
  font-weight: bold;
  line-height: 1;
  margin-bottom: 40px;
  text-align: center;
  letter-spacing: 0.05em;
  color: #333;
}

.lead {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 30px;
}

h3 {
  margin-bottom: 20px;
}

/*--------------------------------
ヘッダー
---------------------------------*/
.header {
  position: fixed;
  top: 0;
  z-index: 1;
  width: 100%;
  background-color: #fff;
  box-shadow: 0 5px 10px -6px rgba(0, 0, 0, 0.1);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
}

.header-logo {
  font-size: 20px;
  font-weight: bold;
  line-height: 1.2;
  margin-right: 20px;
  letter-spacing: 0.05em;
}

.header-logo a {
  color: #333;
}

.gnav-list {
  display: flex;
  justify-content: space-between;
  list-style: none;
}

.gnav-item:not(:last-child) {
  margin-right: 20px;
}

.gnav-item a {
  position: relative;
  font-size: 13px;
  font-weight: bold;
  display: inline-block;
  padding: 5px 0;
  transition: 0.3s;
  letter-spacing: 0.05em;
  color: #333;
}
.gnav-item a:after {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  content: "";
  transition: 0.3s;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  background-color: #333;
}

.gnav-item a:hover:after {
  width: 100%;
}

/*--------------------------------
 メインビジュアル
---------------------------------*/
.mv {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 85vh;
  text-align: center;
}

.mv-container {
  padding: 0 40px;
}

.mv-title {
  font-size: 60px;
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 5px;
  letter-spacing: 0.1em;
}
.mv-subtitle {
  font-size: 20px;
  font-weight: bold;
  line-height: 1;
  margin-bottom: 40px;
  letter-spacing: 0.08em;
}

.mv-text {
  font-size: 16px;
  line-height: 1.8;
}

/*--------------------------------
 Contact
---------------------------------*/
.contact {
  text-align: center;
}

.contact-item:not(:last-child) {
  margin-right: 10px;
}

.contact-text {
  margin-top: 10px;
}

/*--------------------------------
 コンテンツ
---------------------------------*/
.contents_wrapper {
  max-width: 500px;
  margin: auto;
  margin-bottom: 60px;
  border: solid 1px #cecece;
  padding: 20px 60px;
}

.contents_wrapper li {
  margin-bottom: 12px;
}

/*--------------------------------
 ページトップ
---------------------------------*/
.page-top {
  font-weight: bold;
  padding: 10px;
  cursor: pointer;
  text-align: center;
  background-color: #4c4c4c;
}

.page-top .material-icons-outlined {
  vertical-align: bottom;
  color: #fff;
}

/*--------------------------------
 フッター
---------------------------------*/
.footer {
  padding: 30px;
  background-color: #333;
}

.copyright {
  font-size: 10px;
  text-align: center;
  color: #797979;
}

/*********************************
table
*********************************/
.horizontal_table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}

.horizontal_table__title,
.horizontal_table__text {
  padding: 23px;
  font-size: 1.125rem;
}

.horizontal_table__title {
  width: 28%;
  border-bottom: solid 1px #333;
  vertical-align: middle;
}

.horizontal_table__row:first-child .horizontal_table__title {
  border-top: solid 1px #333;
}

.horizontal_table__text {
  width: 72%;
  border-bottom: solid 1px #cccccc;
}

.horizontal_table__row:first-child .horizontal_table__text {
  border-top: solid 1px #cccccc;
}

/*media Queries 767
----------------------------------------------------*/
@media screen and (max-width: 767px) {
  body {
    font-size: 14px;
  }

  .pc-only {
    display: none;
  }

  .sp-only {
    display: block;
  }

  /* 見出し */
  .title {
    font-size: 26px;
    margin-bottom: 20px;
  }

  .lead {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
  }

  /* レイアウト */
  .wrapper {
    padding-top: 57px;
  }

  .section {
    padding: 60px 0;
  }

  .container {
    padding: 0 20px;
  }

  /* ヘッダー */
  .header .container {
    padding: 15px;
  }

  .header-logo {
    font-size: 15px;
    margin-right: 15px;
  }

  .gnav-item:not(:last-child) {
    margin-right: 10px;
  }

  .gnav-item a {
    font-size: 10px;
  }

  .gnav-item a:after {
    display: none;
  }

  /*  メインビジュアル */
  .mv {
    height: 75vh;
  }

  .mv-container {
    padding: 0 20px;
  }

  .mv-title {
    font-size: 30px;
  }
  .mv-subtitle {
    font-size: 16px;
    margin-bottom: 20px;
  }

  .mv-text {
    font-size: 14px;
    line-height: 1.7;
  }

  /* フッター */
  .footer {
    padding: 20px;
  }

  /* 下層ページ */
  .article {
    padding: 50px 0;
  }

  .article-body h3 {
    font-size: 16px;
    padding-left: 0.8em;
  }

  .article-body h3:not(:first-child) {
    margin-top: 30px;
  }

  .article-body p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
  }

  .horizontal_table__title,
  .horizontal_table__text {
    padding: 14px;
  }
}