@charset "utf-8";

html {
  scroll-behavior: smooth;
  font-size: 62.5%;
}
a {
  color: #000;
  text-decoration: none;
}
body {
  font-family: "Helvetica Neue", "Helvetica", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Arial", "Yu Gothic", "Meiryo", sans-serif;
  background: #fffcd1;
  margin: 5px;
  -webkit-text-size-adjust: 100%;
  font-size: 1.6em;
}

h1 {
  text-align: center;
}
p {
  font-size: 1.5rem;
}

img {
  vertical-align: bottom;
}

.container {
  max-width: 1200px;
  padding: 30px;
  margin: 0 auto;
}
@media screen and (max-width: 830px) {
  .container {
    padding: 20px;
    margin: auto;
  }
}

/* ヘッダー */

header {
  width: 100%;
  height: 100px;
  background: #fffcd1;
  position: fixed;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px dashed #000;
}
@media screen and (max-width: 830px) {
  header {
    justify-content: center;
    height: auto;
    padding: 20px;
    position: fixed;
    position: static;
  }
}

.logo_a {
  width: 20%;
}
@media screen and (max-width: 830px) {
  .logo_a {
    display: none;
  }
}

.logo_b {
  width: 25%;
}
@media screen and (max-width: 830px) {
  .logo_b {
    width: 50%;
  }
}
@media screen and (max-width: 480px) {
  .logo_b {
    width: 70%;
  }
}

/* メイン */

.main_top {
  display: flex;
  padding-top: 100px;
}
@media screen and (max-width: 830px) {
  .main_top {
    display: block;
    padding-top: 0px;
  }
}

.main_left {
  align-items: center;
  margin-right: 10px;
  width: 50%;
  margin: 0 auto;
}
@media screen and (max-width: 830px) {
  .main_left {
    width: 80%;
  }
}
@media screen and (max-width: 480px) {
  .main_left {
    width: 100%;
  }
}

.main_right {
  align-items: center;
  width: 50%;
  margin: 0 auto;
  padding-bottom: 30px;
}
@media screen and (max-width: 830px) {
  .main_right {
    width: 80%;
  }
}
@media screen and (max-width: 480px) {
  .main_right {
    width: 100%;
  }
}

.img_top {
  background: url(../img/img_top.png) no-repeat bottom center;
  background-size: contain;
  height: 500px;
  padding-top: 350px;
}
@media screen and (max-width: 480px) {
  .img_top {
    height: 400px;
    padding-top: 280px;
  }
}

.text_under {
  background: linear-gradient(transparent 70%, #8ec31f 0%);
  font-size: 2rem;
  font-weight: bold;
  display: inline-block;
  margin: 20px 0px 10px;
}

.target_ul {
  text-align: center;
}

.target_li {
  line-height: 2rem;
  display: inline-block;
  list-style: none;
  padding: 10px 0px;
  font-size: 1.4rem;
  font-weight: bold;
  border-top: 1px solid #666666;
  border-bottom: 1px solid #666666;
}
@media screen and (max-width: 480px) {
  .target_li {
    list-style: square;
    padding: 5px 5px 5px 30px;
    text-align: left;
  }
}

.book_tittle {
  margin-bottom: 50px;
}

.tittle_main {
  font-size: 3rem;
}
@media screen and (max-width: 480px) {
  .tittle_main {
    font-size: 2rem;
  }
}

.tittle_sub {
  font-size: 1.8rem;
}
@media screen and (max-width: 480px) {
  .tittle_sub {
    font-size: 1.3rem;
  }
}

.about {
  margin: 20px 0px;
  padding-bottom: 20px;
  border-top: 1px dotted #666666;
}

.page_tittle_div {
  display: flex;
  align-items: center;
  padding: 3px 0px;
}

.page_tittle {
  font-size: 1.8rem;
  font-weight: bold;
  margin-left: 10px;
  flex: 1;
  line-height: 1.9rem;
}

.img_page {
  width: 65px;
}

.page {
  text-align: right;
  padding-top: 5px;
}

.detail_page {
  width: 33.3%;
  padding: 0px 10px 20px;
}
@media screen and (max-width: 830px) {
  .detail_page {
    width: 50%;
    padding: 0px 10px;
  }
}
@media screen and (max-width: 480px) {
  .detail_page {
    width: 100%;
  }
}

.main_under {
  margin: 40px 0px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

/* ダウンロードボタン start */

.btn_div_all {
  text-align: center;
}

.btn_all {
  display: inline-block;
  padding: 0.3em 1em;
  text-decoration: none;
  font-weight: bold;
  color: #8ec31f;
  border: solid 2px #8ec31f;
  border-radius: 25px;
  transition: 0.4s;
}

.btn_all:hover {
  background: #8ec31f;
  color: white;
}

.btn_div {
  text-align: right;
  padding: 10px 0px;
}

.btn_about {
  display: inline-block;
  padding: 0.3em 1em;
  text-decoration: none;
  font-weight: bold;
  color: #666666;
  border: solid 2px #666666;
  border-radius: 25px;
  transition: 0.4s;
}

.btn_about:hover {
  background: #666666;
  color: white;
}

.btn_furoku {
  display: inline-block;
  padding: 0.3em 1em;
  text-decoration: none;
  font-weight: bold;
  color: #6bade0;
  border: solid 2px #6bade0;
  border-radius: 25px;
  transition: 0.4s;
}

.btn_furoku:hover {
  background: #6bade0;
  color: white;
}

.btn_history {
  display: inline-block;
  padding: 0.3em 1em;
  text-decoration: none;
  font-weight: bold;
  color: #d6006c;
  border: solid 2px #d6006c;
  border-radius: 25px;
  transition: 0.4s;
}

.btn_history:hover {
  background: #d6006c;
  color: white;
}

.btn_assessments {
  display: inline-block;
  padding: 0.3em 1em;
  text-decoration: none;
  font-weight: bold;
  color: #30a053;
  border: solid 2px #30a053;
  border-radius: 25px;
  transition: 0.4s;
}

.btn_assessments:hover {
  background: #30a053;
  color: white;
}

.btn_summary {
  display: inline-block;
  padding: 0.3em 1em;
  text-decoration: none;
  font-weight: bold;
  color: #e33c0b;
  border: solid 2px #e33c0b;
  border-radius: 25px;
  transition: 0.4s;
}

.btn_summary:hover {
  background: #e33c0b;
  color: white;
}

.btn_ongoing {
  display: inline-block;
  padding: 0.3em 1em;
  text-decoration: none;
  font-weight: bold;
  color: #001976;
  border: solid 2px #001976;
  border-radius: 25px;
  transition: 0.4s;
}

.btn_ongoing:hover {
  background: #001976;
  color: white;
}

.btn_outcomes {
  display: inline-block;
  padding: 0.3em 1em;
  text-decoration: none;
  font-weight: bold;
  color: #0092e5;
  border: solid 2px #0092e5;
  border-radius: 25px;
  transition: 0.4s;
}

.btn_outcomes:hover {
  background: #0092e5;
  color: white;
}

.btn_with {
  display: inline-block;
  padding: 0.3em 1em;
  text-decoration: none;
  font-weight: bold;
  color: #844d26;
  border: solid 2px #844d26;
  border-radius: 25px;
  transition: 0.4s;
}

.btn_with:hover {
  background: #844d26;
  color: white;
}

/* ダウンロードボタン end */

/* page_tittle_div 下線 start */

.page_tittle_div_about {
  border-bottom: 1px dashed #666666;
}

.page_tittle_div_furoku {
  border-bottom: 1px dashed #6bade0;
}

.page_tittle_div_history {
  border-bottom: 1px dashed #d6006c;
}

.page_tittle_div_assessments {
  border-bottom: 1px dashed #30a053;
}

.page_tittle_div_summary {
  border-bottom: 1px dashed #e33c0b;
}

.page_tittle_div_ongoing {
  border-bottom: 1px dashed #001976;
}

.page_tittle_div_outcomes {
  border-bottom: 1px dashed #0092e5;
}

.page_tittle_div_with {
  border-bottom: 1px dashed #844d26;
}

/* page_tittle_div 下線 end */

/* footer */

footer {
  height: 50px;
  text-align: center;
  border-top: 1px dashed #000;
}