@charset "utf-8";

* {
  box-sizing: border-box;
}

body {
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #140a04;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  vertical-align: bottom;
}

ul {
  padding-left: 0;
}

li {
  list-style: none;
}

p {
  text-align: center;
  margin-top: 10px;
  margin-bottom: 20px;
}

.wrapper {
  max-width: 960px;
  width: 100%;
  margin-right: auto;
  margin-left: auto;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 15px;
  margin-bottom: 15px;
}

.header_logo {
  width: 250px;
}

.gnav_list {
  display: flex;
}

.gnav_item {
  margin-right: 15px;
}

.gnav_link {
  padding: 10px 0;
  transition: 0.3s;
}

.gnav_link:hover {
  border-bottom: 2px solid #05b084;
  color: #05b084;
}

.common_content_area {
  margin-bottom: 80px;
}

.head_img {
  width: 100%;
}

.guidance_contest {
  border: 10px solid;
  border-image: linear-gradient(to right bottom, #6aceb5, #05b084) 1 / 10px;
  outline: 3px outset #41af94;
  padding: 20px;
  background: #FFF;
  box-shadow: 1px 3px 10px #999;
}

.bn_contest {
  width: 100%;
}

.title_contest {
  display: flex;
  align-items: end;
  justify-content: center;
  font-size: 40px;
  font-weight: 700;
  margin-top: 30px;
}

.title_contest_logo {
  width: 18%;
  margin-right: 15px;
}

.text_top_contest {
  font-size: 18px;
  margin-top: 30px;
}

.home_dotart_contest_list {
  display: flex;
  justify-content: space-around;
}

.home_dotart_contest_item {
  margin-top: 20px;
  width: 220px;
  height: 60px;
  margin-top: 80px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.home_dotart_contest_link {
  border: 1px solid #05b084;
  border-radius: 10px;
  background-color: #05b084;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  padding: 10px;
  transition: 0.3s;
}

.home_dotart_contest_link:hover {
  background-color: #3c8775;
}

.bn_questionnaire{
  width: 100%;
  margin-top: 50px;
}

.home_title {
  margin-top: 80px;
}

.home_items_title {
  font-size: 40px;
  position: relative;
  text-align: center;
  color: #ae8b68;
  margin-bottom: 40px;
  border-bottom: 2px solid #ae8b68;
  width: 170px;
  margin-left: auto;
  margin-right: auto;
}

.home_items_title:before {
  content: "";
  position: absolute;
  background: #ffd69d;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  z-index: -1;
}

.home_items_logo_dart {
  width: 25%;
  margin-right: auto;
  margin-left: auto;
}

.image_home_items_logo {
  margin-top: 60px;
  margin-bottom: 30px;
}

.home_items_subtitle {
  text-align: center;
  margin-bottom: 30px;
}

.home_item_text {
  font-size: 18px;
  font-weight: 600;
  text-shadow: 2px 2px 3px #fff,
    -2px 2px 3px #fff,
    2px -2px 3px #fff,
    -2px -2px 3px #fff;
  width: 85%;
  margin-right: auto;
  margin-left: auto;
}

.dart_background_image {
  width: 100%;
  height: 550px;
  background-image: url(../image_index/image_item_dart_urethane.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.dart_subtitle {
  color: #5E5E5E;
  font-size: 24px;
  font-weight: 600;
  text-shadow: 2px 2px 3px #fff,
    -2px 2px 3px #fff,
    2px -2px 3px #fff,
    -2px -2px 3px #fff;
}

.home_dart_text {
  font-size: 18px;
  font-weight: 600;
  height: 400px;
  background-image: url(../image_index/image_item_dart.png);
  background-repeat: no-repeat;
  background-position: bottom;
  background-size: contain;
}

.home_items_logo_dinosaurfigure {
  width: 30%;
  margin-right: auto;
  margin-left: auto;
}

.dinosaurfigure_background_image {
  position: relative;
  width: 100%;
  height: 550px;
  background-image: url(../image_index/image_items_dinosaurfigure.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.dinosaurfigure_subtitle {
  color: #AE8B68;
  font-size: 24px;
  font-weight: 600;
  text-shadow: 2px 2px 3px #fff,
    -2px 2px 3px #fff,
    2px -2px 3px #fff,
    -2px -2px 3px #fff;
}

.text_dinosaurfigure2 {
  position: absolute;
  bottom: 0;
  right: 5%;
}

.home_item_link_button {
  width: 180px;
  height: 60px;
  margin-top: 120px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.home_item_link {
  border: 1px solid #05b084;
  border-radius: 10px;
  background-color: #05b084;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  padding: 10px 15px;
  transition: 0.3s;
}

.home_item_link:hover {
  background-color: #3c8775;
}

.home_news_title {
  font-size: 30px;
  position: relative;
  text-align: center;
  color: #ae8b68;
  margin-bottom: 40px;
  border-bottom: 2px solid #ae8b68;
  width: 170px;
  margin-left: auto;
  margin-right: auto;
}

.home_news_title:before {
  content: "";
  position: absolute;
  background: #ffd69d;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  z-index: -1;
}

.home_news_content_box {
  display: flex;
  height: 100px;
  margin-top: 20px;
  margin-left: 20px;
}

.home_news_content_box :first-child {
  margin-top: 0;
}

.home_news_item {
  display: flex;
  width: 90%;
  margin-left: auto;
  margin-right: auto;
}

.home_news_item dd {
  margin-left: 20px;
}

.home_news_contents_link_button {
  width: 110px;
  height: 30px;
  margin-top: 20px;
  margin-left: auto;
  margin-right: auto;
}

.home_news_contents_link {
  border: 1px solid #05b084;
  border-radius: 10px;
  background-color: #05b084;
  color: #fff;
  font-size: 14px;
  line-height: 1.4;
  padding: 10px 15px;
  transition: 0.3s;
}

.home_news_contents_link:hover {
  background-color: #3c8775;
}

.footer {
  padding-top: 60px;
}

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

.fnav_item {
  margin-right: 20px;
}

.fnav_item:last-child {
  margin-right: 0;
}

.fnav_link {
  padding: 10px 0;
  transition: 0.3s;
}

.fnav_link:hover {
  border-bottom: 2px solid #05b084;
  color: #05b084;
}

.footer_copyright {
  margin-top: 50px;
  background-color: #f5efe9;
  font-size: 14px;
}

/* レスポンシブ */
@media screen and (max-width: 500px) {
  body {
    line-height: 1.5;
    font-size: 15px;
  }

  .common_content_area {
    width: 95%;
    margin-left: auto;
    margin-right: auto;
  }

  .header {
    width: 100%;
    flex-direction: column;
    align-items: center;
  }

  .gnav_item {
    margin-right: 10px;
  }

  .gnav_item:last-child {
    margin-right: 0;
  }

  .gnav_link {
    font-size: 12px;
  }

  .guidance_contest {
    padding: 10px;
    border: 8px solid;
    border-image: linear-gradient(to right bottom, #6aceb5, #05b084) 1 / 10px;
    outline: 2px outset #41af94;
    background: #FFF;
    box-shadow: 1px 3px 10px #999;
  }

  .title_contest {
    font-size: 24px;
    font-weight: 700;
  }

  .title_contest_logo {
    width: 20%;
    margin-right: 10px;
  }

  .text_top_contest {
    font-size: 16px;
  }

  .home_dotart_contest_list {
    flex-direction: column;
    align-items: center;
  }

  .home_items_title {
    font-size: 32px;
    margin-bottom: 0px;
    width: 130px;
  }

  .home_item_text {
    width: 95%;
    font-size: 16px;
  }

  .dart_subtitle {
    font: 20px;
  }

  .dart_background_image {
    height: 400px;
  }

  .dinosaurfigure_subtitle {
    font-size: 20px;
  }

  .dinosaurfigure_background_image {
    height: 480px;
    background-image: url(../image_index/image_items_dinosaurfigure_responsive.png);
    object-fit: contain;
  }

  .home_dart_text {
    height: 300px;
  }

  .home_news_title {
    font-size: 28px;
    width: 130px;
  }

  .home_news_date {
    width: 20%;
  }

  .home_news_item dd {
    width: 80%;
    margin-left: 0;
  }

  .home_news_content_box {
    margin-left: 0;
  }

  .fnav_list {
    font-size: 12px;
  }

  .footer_copyright {
    font-size: 11px;
    margin-top: 30px;
  }
}