@charset "utf-8";

/*===================================
 ヘッダー
====================================*/
header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 998;
  background-color: rgba(255, 255, 255, 1);
  backdrop-filter: blur(20px);
  height: 58px;
  display: grid;
  align-content: center;
}
@media screen and (min-width: 992px) {
  header {
    height: auto;
    background-color: rgba(255, 255, 255, 0.6);
  }
}

/* logo */
.header_logo {
  width: 150px;
}
@media screen and (min-width: 1200px) {
  .header_logo {
    width: 200px;
  }
}

/* header nav */
.header_nav {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: bold;
}

.header_nav_list {
  position: fixed;
  top: 58px;
  right: 0;
  display: flex;
  flex-direction: column;
  background-color: #f8fefb;
  list-style: none;
  padding: 1rem 0;
  overflow-y: auto;
  width: 95%;
  height: 100vh;
  height: calc(100dvh - 58px);
}

.header_nav_list > li {
  width: 100%;
  margin: 0.7rem 0;
}

@media screen and (min-width: 992px) {
  .header_nav_list {
    position: static;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    background-color: inherit;
    height: auto;
    margin-bottom: 0;
    padding: 0;
  }

  .header_nav_list > li {
    width: auto;
    margin: 0;
  }
  .header_nav_list > li:first-child {
    margin-left: auto;
  }
}

.header_nav_list a {
  text-decoration: none;
}

.header_nav_link {
  position: relative;
  display: block;
  color: var(--green_dark);
  font-family:
    "Hiragino Kaku Gothic ProN", "Hiragino Kaku Gothic Pro", "Yu Gothic",
    "Meiryo", sans-serif;
  font-size: 1rem;
  font-weight: bold;
  padding: 0.5rem 1.5rem;
  text-align: left;
  cursor: pointer;
}

.header_nav_link:has(+ .header_nav_second_list .header_nav_second_list_title) {
  padding-bottom: 0;
}

@media screen and (min-width: 992px) {
  .header_nav_link {
    text-align: center;
    color: var(--green);
    padding: 1rem 1.25rem 2rem;
    margin-top: 1rem;
    transition: 0.3s;
  }

  .header_nav_link:has(
    + .header_nav_second_list .header_nav_second_list_title
  ) {
    padding-bottom: 2rem;
  }

  .header_nav_link:hover {
    color: var(--green_hover);
  }
  .header_nav_link:active,
  .header_nav_link:first-child:active {
    color: var(--green_hover);
  }
}

.header_nav_link::after {
  content: "\F285";
  position: absolute;
  top: 50%;
  right: 1.5rem;
  transform: translateY(-50%);
  font-family: "bootstrap-icons";
  font-size: 1rem;
  font-weight: normal;
}

.header_nav_link.btn {
  width: 100%;
}

.header_nav_link.btn:hover {
  color: var(--green_hover);
}
.header_nav_link.btn:first-child:active {
  color: var(--green);
}

.header_nav_link.btn::after {
  content: "\F4F9";
}

.header_nav_link:has(
    + .header_nav_second_list .header_nav_second_list_title
  )::after {
  content: none;
}

@media screen and (min-width: 992px) {
  .header_nav_link::after {
    content: none;
  }
  .header_nav_link.btn::after {
    content: none;
  }
  .header_nav_link:has(i) .bi {
    font-size: 0.75rem;
    margin-left: 0.25rem;
  }
}

/* 第二階層リスト */
.header_nav_second_list {
  font-size: 0.875rem;
  list-style: none;
  padding: 0;
  margin-bottom: 1rem;
}
@media screen and (min-width: 992px) {
  .header_nav_second_list {
    position: fixed;
    top: 89px;
    left: 0;
    background-color: #f8fefb;
    border-top: 2px solid var(--green);
    font-size: 1rem;
    justify-content: center;
    padding: 1.5rem 2rem 7rem;
    width: 100%;
  }

  .header_nav_second_list > li {
    width: calc(800px / 2);
  }
}

.header_nav_second_list button.header_nav_second_list_title {
  position: relative;
  display: block;
  color: var(--green);
  font-family:
    "Hiragino Kaku Gothic ProN", "Hiragino Kaku Gothic Pro", "Yu Gothic",
    "Meiryo", sans-serif;
  font-size: 0.875rem;
  font-weight: bold;
  padding: 0.7rem 1.5rem;
  text-align: left;
  width: 100%;
}

.header_nav_second_list button.header_nav_second_list_title:first-child:active {
  color: var(--green);
}

.header_nav_second_list button.header_nav_second_list_title::before {
  content: "";
  position: absolute;
  left: 1.5rem;
  bottom: -2px;
  border-bottom: 1px dashed #c5e6d7;
  width: calc(100% - 3rem);
}
.header_nav_second_list button.header_nav_second_list_title::after {
  content: "\F4F9";
  position: absolute;
  top: 50%;
  right: 1.5rem;
  transform: translateY(-50%);
  font-family: "bootstrap-icons";
  font-size: 0.875rem;
  font-weight: normal;
}
@media screen and (min-width: 992px) {
  .header_nav_second_list button.header_nav_second_list_title {
    font-size: 1rem;
    padding-bottom: 0;
  }
  .header_nav_second_list button.header_nav_second_list_title::before {
    border-bottom: none;
  }
}

/* 第三階層リスト */
.header_nav_third_list {
  position: relative;
  list-style: none;
  padding: 0;
  background-color: #fff;
  padding: 0.5rem 0;
  border-top: 1px solid var(--green);
  border-bottom: 1px solid var(--green);
}
@media screen and (min-width: 992px) {
  .header_nav_third_list {
    border: none;
    background-color: transparent;
  }
}

.header_nav_third_list::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 1.5rem;
  background-color: var(--green);
  width: 13px;
  height: 10px;
  clip-path: polygon(50% 0, 0 100%, 100% 100%);
}
@media screen and (min-width: 992px) {
  .header_nav_third_list::before {
    content: none;
  }
}

.header_nav_third_list > li > a {
  display: block;
  font-family:
    "Jost", "Hiragino Kaku Gothic ProN", "Hiragino Kaku Gothic Pro",
    "Yu Gothic", "Meiryo", sans-serif;
  font-weight: normal;
  padding: 0.5rem 1.5rem;
}

.header_nav_third_list a:link,
.header_nav_third_list a:visited {
  color: var(--black);
}

.header_nav_third_list a:hover,
.header_nav_third_list a:active {
  color: var(--green_dark);
}

@media screen and (min-width: 992px) {
  .header_nav_third_list > li > a {
    padding: 0.25rem 1.5rem;
  }
}

/* 固定ボタン */
.fixed_buttons {
  position: fixed;
  top: 100px;
  right: 0;
  width: 40px;
  text-align: center;
  z-index: 999;
  transition:
    opacity 0.5s ease,
    visibility 0.5s ease;
  opacity: 1;
  visibility: visible;
}

.fixed_buttons .green_tab_btn {
  display: block;
  background-color: var(--green);
  color: #fff;
  font-weight: bold;
  border-radius: 8px 0 0 8px;
  writing-mode: vertical-rl;
  width: 100%;
  font-size: 0.875rem;
}
.fixed_buttons .bi::before,
.fixed_buttons [class^="bi-"]::before,
.fixed_buttons [class*=" bi-"]::before {
  vertical-align: 0;
}

.fixed_buttons .navy_tab_btn {
  display: block;
  background-color: var(--navy);
  color: #fff;
  font-weight: bold;
  border-radius: 8px 0 0 8px;
  writing-mode: vertical-rl;
  width: 100%;
  font-size: 0.875rem;
}
.fixed_buttons .orange_tab_btn {
  display: block;
  background-color: var(--orange);
  color: #fff;
  font-weight: bold;
  border-radius: 8px 0 0 8px;
  writing-mode: vertical-rl;
  width: 100%;
  font-size: 0.875rem;
}

/* ハンバーガーボタン close時 */
.hamburger_btn {
  position: relative;
  width: 2rem;
  height: 1.625rem;
  display: block;
  transition: all 0.5s;
}
.hamburger_btn span {
  position: absolute;
  right: 0;
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--navy);
  transition: all 0.5s;
}

.hamburger_btn span:nth-child(1) {
  top: 0;
}
.hamburger_btn span:nth-child(2) {
  top: 0.6875rem;
}
.hamburger_btn span:nth-child(3) {
  bottom: 0;
}

/* ハンバーガーボタン open時 */
.hamburger_btn[aria-expanded="true"] {
  transform: rotate(360deg);
}

.hamburger_btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(0.6875rem) rotate(-45deg);
}
.hamburger_btn[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(0) rotate(45deg);
}
.hamburger_btn[aria-expanded="true"] span:nth-child(3) {
  opacity: 0;
}

/* ドロップダウンメニュー */
.dropdown-menu {
  border: 1px solid var(--green_light);
  min-width: 240px;
  transition: 0.3s;
}
.dropdown-item {
  padding: 0.5rem 1.5rem;
}
.dropdown-item:hover {
  color: var(--green);
  background-color: var(--green_lightest);
  font-weight: bold;
}

.dropdown-toggle:focus:not(:focus-visible) {
  outline: none !important;
  box-shadow: none !important;
}

/*===================================
 フッター
====================================*/
footer a {
  color: var(--navy);
  transition: 0.3s;
}

footer a:link {
  color: var(--navy);
  text-decoration: none;
}
footer a:visited {
  color: var(--navy);
  text-decoration: none;
}
footer a:hover {
  color: var(--navy);
  text-decoration: underline;
  transition: 0.3s;
}
footer a:active {
  color: var(--navy);
  text-decoration: underline;
  transition: 0.3s;
}

.footer_inner {
  padding-top: 4rem;
}

.copyright {
  margin-top: 2rem;
}

.section_padding {
  padding-top: 5rem;
  padding-bottom: 4rem;
}

.cover {
  position: fixed;
  top: 58px;
  left: 0;
  background-color: #06110c80;
  width: 100%;
  height: 100vh;
}
@media screen and (min-width: 992px) {
  .cover {
    top: 90px;
    background-color: #06110c33;
  }
}

/*===================================
 共通ボタン
====================================*/
.green_graduation_btn {
  background: linear-gradient(
    45deg,
    #3caa7b,
    #32a682,
    #29a18a,
    #209d93,
    #179398,
    #0f7f94,
    #076a8f,
    #00548b
  ); /* made at https://learnui.design/tools/gradient-generator.html */
  border-radius: 999px;
  color: #fff;
  font-weight: bold;
  padding: 1rem 2rem;
  transition: 0.3s ease-out;
  background-position: 2% 50%;
  background-size: 200% auto;
}
.green_graduation_btn:link {
  color: #fff;
  transition: 0.3s ease-out;
}
.green_graduation_btn:visited {
  color: #fff;
}
.green_graduation_btn:hover {
  background-position: 100% 51%;
  color: #fff;
}
.green_graduation_btn:active,
.green_graduation_btn:first-child:active {
  color: #fff;
  background-position: 100% 51%;
}

.green_graduation_btn:disabled {
  background: #ccc;
}

.orange_graduation_btn {
  background: linear-gradient(45deg, #ffa700, var(--deep_orange));
  border-radius: 999px;
  color: #fff;
  font-weight: bold;
  padding: 1rem 2rem;
  transition: 0.3s ease-out;
  background-position: 2% 50%;
  background-size: 148% auto;
}
.orange_graduation_btn:link {
  color: #fff;
  transition: 0.3s ease-out;
}
.orange_graduation_btn:visited {
  color: #fff;
}
.orange_graduation_btn:hover {
  background-position: 100% 51%;
  color: #fff;
}
.orange_graduation_btn:active,
.orange_graduation_btn:first-child:active {
  color: #fff;
  background-position: 100% 51%;
}

/* キラッと光るアニメーション */
.btn_shiny {
  position: relative;
  overflow: hidden;
  transition: 300ms;
}

.btn_shiny:after {
  position: absolute;
  top: -200%;
  left: -150%;
  content: "";
  height: 500%;
  width: 70px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0),
    rgba(255, 255, 255, 0.6) 40%,
    rgba(255, 255, 255, 0),
    rgba(255, 255, 255, 0.6),
    rgba(255, 255, 255, 0)
  );
  transform: rotate(60deg);
  animation: 2.5s shiny_slow infinite linear;
}

/* ゆっくりとほのかに輝く */
@keyframes shiny_slow {
  0% {
    left: -100%;
  }
  80% {
    left: 150%;
  }
  100% {
    left: 150%;
  }
}

@-webkit-keyframes shiny_slow {
  0% {
    left: -100%;
  }
  80% {
    left: 150%;
  }
  100% {
    left: 150%;
  }
}

/* キラリと輝く */
@keyframes shinyshiny {
  0% {
    -webkit-transform: scale(0) rotate(45deg);
    opacity: 0;
  }
  80% {
    -webkit-transform: scale(0) rotate(45deg);
    opacity: 0.5;
  }
  81% {
    -webkit-transform: scale(4) rotate(45deg);
    opacity: 1;
  }
  100% {
    -webkit-transform: scale(50) rotate(45deg);
    opacity: 0;
  }
}

@-webkit-keyframes shinyshiny {
  0% {
    -webkit-transform: scale(0) rotate(45deg);
    opacity: 0;
  }
  80% {
    -webkit-transform: scale(0) rotate(45deg);
    opacity: 0.5;
  }
  81% {
    -webkit-transform: scale(4) rotate(45deg);
    opacity: 1;
  }
  100% {
    -webkit-transform: scale(50) rotate(45deg);
    opacity: 0;
  }
}

.green_btn {
  background-color: var(--green);
  border-radius: 999px;
  color: #fff;
  font-weight: bold;
  padding: 1rem 2rem;
  transition: 0.3s;
}
.green_btn:link {
  background-color: var(--green);
  color: #fff;
}
.green_btn:visited {
  background-color: var(--green);
  color: #fff;
}
.green_btn:hover {
  background-color: var(--green_hover);
  color: #fff;
}
.green_btn:active,
.green_btn:first-child:active {
  background-color: var(--green_hover);
  color: #fff;
  border-color: var(--green_hover);
}

.navy_btn {
  background-color: var(--navy);
  border-radius: 999px;
  color: #fff;
  font-weight: bold;
  padding: 1rem 2rem;
  transition: 0.3s;
}
.navy_btn:link {
  background-color: var(--navy);
  color: #fff;
}
.navy_btn:visited {
  background-color: var(--navy);
  color: #fff;
}
.navy_btn:hover {
  background-color: var(--navy_hover);
  color: #fff;
}
.navy_btn:active,
.navy_btn:first-child:active {
  background-color: var(--navy_hover);
  color: #fff;
  border-color: var(--navy_hover);
}

/*===================================
 共通部品
====================================*/
/* title */
.title {
  background: linear-gradient(
    45deg,
    #3caa7b,
    #32a682,
    #29a18a,
    #209d93,
    #179398,
    #0f7f94,
    #076a8f,
    #00548b
  ); /* made at https://learnui.design/tools/gradient-generator.html */
  color: #fff;
  font-weight: bold;
  font-size: clamp(1.25rem, 0.558rem + 1.92vw, 2rem);
  padding: 1.5rem 0.5rem;
  text-align: center;
}

/* テキストマーカー */
.text_marker {
  /* background: linear-gradient(transparent 60%, #ff6 0%); */
  background: linear-gradient(transparent 60%, #fffc20 0%);
  display: inline;
  padding: 0 1px 0px;
}

/* パンくずリスト */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
}

.breadcrumb > li::after {
  content: "/";
  margin: 0 0.5rem;
}
.breadcrumb > li:last-child::after {
  content: none;
}

/* 背景色・枠付きのリスト */
.back_border_list {
  border-radius: 8px;
  padding: 1.5rem 2rem 1.5rem 3rem;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(1rem, 0.654rem + 0.96vw, 1.25rem);
}
.back_border_list > li {
  margin-top: 0.5rem;
}
/* 緑 ※class="back_border_list back_border_list--green"のように併記して使用する */
.back_border_list--green {
  background-color: var(--green_lighter);
  border: 1px solid var(--green_light);
  color: var(--green_hover);
}
/* 紺 ※class="back_border_list back_border_list--navy"のように併記して使用する */
.back_border_list--navy {
  background-color: var(--navy_lighter);
  border: 1px solid var(--navy_light);
  color: var(--navy);
}

/* 読点を各アイテムの後につけるリスト */
.touten_list > li::after {
  content: "、";
}
.touten_list > li:last-child::after {
  content: none;
}

/* お知らせ・履歴などの日付＋内容のリスト */

.news_list > li {
  display: grid;
  grid-template-columns: 1fr;
  border-bottom: 1px solid var(--green_light);
  gap: 0.5rem;
  padding: 1.5rem;
}
.news_list > li:first-child {
  border-top: 1px solid var(--green_light);
}
@media screen and (min-width: 768px) {
  .news_list > li {
    grid-template-columns: 150px 1fr;
    padding: 1.75rem 2rem;
    gap: 2rem;
  }
}

.news_list_tag {
  vertical-align: text-top;
  border-radius: 0.2rem;
}

.news_list_child_list {
  list-style-type: disc;
  padding-left: 1rem;
}

/* サブメニュー */
.sub_menu > li {
  padding: 0;
}

.sub_menu > li > a {
  display: block;
  position: relative;
  text-decoration: none;
  text-align: center;
  transition: 0.3s;
  width: 100%;
  height: 100%;
}
.sub_menu > li > a::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  display: block;
  border-bottom: 2px solid var(--green);
  width: 0;
  transition: 0.4s;
}

.sub_menu > li > a:hover {
  background-color: var(--green_lighter);
  color: var(--green);
  font-weight: bold;
}
.sub_menu > li > a:hover .bi {
  text-shadow: 0px 0px 10px rgb(37, 215, 0);
}
.sub_menu > li > a:hover::before {
  content: "";
  display: block;
  border-bottom: 2px solid var(--green);
  width: 100%;
}

.step_list {
  position: relative;
  list-style: none;
  counter-reset: step;
  padding-left: 0;
}
.step_list > li {
  position: relative;
  margin-bottom: 3.5rem;
}

.step_list > li::after {
  content: "\F229";
  position: absolute;
  left: 50%;
  bottom: -3rem;
  transform: translateX(-50%);
  font-family: "bootstrap-icons";
  font-size: 1.5rem;
  color: var(--green);
}
.step_list > li:last-child::after {
  content: none;
}

.step_list > li > .step_list_title {
  position: relative;
  font-weight: bold;
}

.step_list > li > .step_list_title::before {
  content: "step" counter(step) ".";
  counter-increment: step;
  text-transform: uppercase;
  font-weight: bold;
  font-size: 1.25rem;
  margin-right: 1em;
}

.step_list > li > .step_list_title::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0.25rem;
  height: 100%;
  background-color: var(--green);
}

/* arrow_list */
.arrow_list_tate > li {
  position: relative;
}

.arrow_list_tate > li::after {
  content: "\F229";
  position: absolute;
  left: 50%;
  bottom: -2rem;
  transform: translateX(-50%);
  color: var(--green);
  font-size: 1.5rem;
  font-family: "bootstrap-icons";
}

.arrow_list_tate > li:last-child::after {
  content: "";
}

/* 拡大マーク（画像リンクなど） */
a:has(.zoom_img_mark) {
  position: relative;
}
.zoom_img_mark:has(.bi) {
  position: absolute;
  top: 0;
  right: 0;
  width: 2rem;
  height: 2rem;
  background-color: rgba(13, 89, 57, 0.4);
  /* background-color: rgba(255, 255, 255, 0.8); */
}

/* 方眼用紙の背景 */
.grid_paper_container {
  background-image:
    linear-gradient(
      0deg,
      transparent calc(100% - 1px),
      #f0f0f0 calc(100% - 1px)
    ),
    linear-gradient(
      90deg,
      transparent calc(100% - 1px),
      #f0f0f0 calc(100% - 1px)
    );
  background-size: 16px 16px;
  background-repeat: repeat;
  background-position: center center;

  /* 以下任意のスタイル */
  padding: 20px;
}

/*===================================
 form部品
====================================*/
.hissu {
  background-color: var(--green);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  margin-left: 0.5rem;
  border-radius: 4px;
  vertical-align: middle;
}
.ninni {
  background-color: #888;
  color: #fff;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  margin-left: 0.5rem;
  border-radius: 4px;
  vertical-align: middle;
}

/*===================================
 JS関係
====================================*/
@media screen and (min-width: 768px) {
  .js-header_nav {
    display: block;
  }
}

/*===================================
 トップページ
====================================*/
.top_logo {
  width: 15rem;
}
@media screen and (min-width: 768px) {
  .top_logo {
    width: clamp(20rem, -3.111rem + 48.15vw, 33rem);
  }
}

.main_text_top_container {
  margin-top: 2rem;
}

.main_text_bottom_container {
  color: var(--navy);
  font-weight: bold;
}

.main_img_top,
.main_img_bottom {
  width: 100%;
  height: auto;
  border-radius: 1rem 1rem 1rem 1rem;
  overflow: hidden;
}
.main_img_top img,
.main_img_bottom img {
  max-width: 100%;
  object-fit: cover;
  object-position: 0 80%;
  max-height: 500px;
  width: 100%;
  height: auto;
}

@media screen and (min-width: 1200px) {
  .main_top_container {
    height: 681px;
  }

  .main_bottom_container {
    height: 640px;
  }

  .main_text_top_container {
    margin-top: 0;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
  }

  .main_text_bottom_container {
    margin-top: 0;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);

    font-size: 1.25rem;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 0.5rem;
  }

  .main_img_top_container {
    margin-right: calc(50% - 50vw);
    position: absolute;
    right: 0;
  }

  .main_img_bottom_container {
    margin-left: calc(50% - 50vw);
    position: absolute;
    left: 0;
  }

  .main_img_top {
    border-radius: 0 0 0 30%;
    max-width: 960px;
    width: 100%;
    height: 681px;
    text-align: right;
  }
  .main_img_top img {
    object-fit: cover;
    max-height: 100%;
    object-position: right top;
  }
  .main_img_bottom {
    border-radius: 0 30% 0 0;
    max-width: 960px;
    width: 100%;
    height: 681px;
    text-align: right;
  }
  .main_img_bottom img {
    object-fit: cover;
    max-height: 100%;
    object-position: left top;
  }
}

.catch_copy {
  font-size: 1.25rem;
  font-weight: bold;
  letter-spacing: 1px;
}
@media screen and (min-width: 768px) {
  .catch_copy {
    font-size: clamp(1.5rem, -1.167rem + 5.56vw, 3rem);
  }
}

.feature_list_num {
  position: absolute;
  display: block;
  top: -80px;
  left: 50%;
  transform: translateX(-50%) scale(0.9, 1);
  color: var(--green);
  letter-spacing: 5px;
  font-family: "Jost", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-size: 6rem;
  max-width: 170px;
  width: auto;
}
@media screen and (min-width: 768px) {
  .feature_list_num {
    top: -130px;
    font-size: 8rem;
  }
}

.main_feature_list {
  background-color: var(--navy_lighter);
  border: 1px solid var(--navy_light);
  border-radius: 8px;
  padding: 1.5rem 2rem 1.5rem 4rem;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(1rem, 0.654rem + 0.96vw, 1.25rem);
}
.main_feature_list > li {
  margin-top: 0.5rem;
}

.release_container {
  padding: 2rem 2rem;
}
@media screen and (min-width: 768px) {
  .release_container {
    padding: 3rem 5rem;
  }
}

.release_title {
  line-height: 1.7;
}
.release_title img {
  width: clamp(11rem, 3.385rem + 21.15vw, 16.5rem);
}

.box_list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.box_list_item {
  background-color: #fff;
}

.box_list_title {
  padding: 1rem;
  border-radius: 0.375rem 0.375rem 0 0;
}

.box_list_content {
  padding: 1rem 1.5rem;
  border-radius: 0 0 0.375rem 0.375rem;
}

.box_list_check_list {
  font-size: 0.875rem;
  padding: 1.5rem 1rem;
}

.box_list_check_list > li {
  position: relative;
  padding-left: 2em;
}

.box_list_check_list > li::before {
  content: "\F26A";
  font-family: "bootstrap-icons";
  font-size: 1rem;
  position: absolute;
  top: 50%;
  left: 0.25em;
  color: var(--green);
  transform: translateY(-50%);
}

@media screen and (min-width: 768px) {
  .box_list {
    grid-template-columns: 1fr 3rem 1fr;
  }

  .box_list_content {
    padding: 1rem 2rem;
  }

  .box_list_check_list {
    font-size: 1rem;
    padding: 1.5rem 1.5rem;
  }
}

.flow_list {
  counter-reset: listnum;
  gap: 5rem 3rem;
  margin-top: 4rem;
}
.flow_list > li {
  padding: 2.5rem 2rem 2rem 2rem;
  border: 1px solid #6698b9;
  position: relative;
  border-radius: 0.5rem;
}
.flow_list > li:first-of-type {
  background-color: #fff;
}
.flow_list > li:nth-child(2) {
  background-color: var(--navy_lighter);
}
.flow_list > li:last-child {
  background-color: var(--navy_light);
  background-color: #ccdde8;
}
.flow_list > li:last-child::after {
  content: none;
}

.flow_list > li::before {
  position: absolute;
  top: -41px;
  left: 50%;
  transform: translateX(-50%);
  counter-increment: listnum;
  content: "0" counter(listnum);
  font-family: "Jost", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-size: 3.5rem;
  color: #4d87ae;
}
.flow_list > li::after {
  position: absolute;
  content: "";
  top: calc(100% + 0.7rem);
  left: 50%;
  bottom: 0;
  right: 0;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border: 30px solid var(--navy);
  border-left-color: transparent;
  border-bottom-color: transparent;
  border-right-color: transparent;
}

@media screen and (min-width: 992px) {
  .flow_list > li {
    width: calc(100% / 3);
  }

  .flow_list > li::after {
    position: absolute;
    content: "";
    top: 50%;
    left: calc(100% + 0.7rem);
    bottom: 0;
    right: 0;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border: 30px solid var(--navy);
    border-top-color: transparent;
    border-bottom-color: transparent;
    border-right-color: transparent;
  }
}

.form_container {
  padding: 3rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--navy_lighter);
}
@media screen and (min-width: 768px) {
  .form_container {
    padding: 4rem 2.5rem;
  }
}

.form_purpose_list > li {
  background-color: #fff;
  border: 1px solid var(--green_lighter);
  border-radius: 8px;
}

/*===================================
 機能説明ページ
====================================*/
.function_flow {
  position: relative;
}

.function_flow_list {
  list-style: none;
}
.function_flow_list.text_green {
  margin-top: 1rem;
}
@media screen and (min-width: 768px) {
  .function_flow_list.text_green {
    margin-top: calc(1rem + 184px);
  }
}

.function_flow_list > li {
  position: relative;
  text-align: center;
}
@media screen and (min-width: 768px) {
  .function_flow_list > li > .bg-white {
    min-height: 140px;
    display: grid;
    align-items: center;
  }
}

/* 矢印（▼） */
.function_flow_list > li::after {
  content: "\F229";
  font-family: "bootstrap-icons";
  color: inherit;
  margin: 0.8rem auto 0;
  display: block;
  width: 2rem;
  height: 2rem;
}
.function_flow_list > li:last-child::after {
  content: none;
}
.arrow {
  position: absolute;
}

.function_flow_arrow {
  position: absolute;
  top: 319px;
  width: 100px;
  z-index: 10;
}
.function_flow_arrow > img {
  width: 60px;
}

/*===================================
 プラン比較料金表
====================================*/
.plan_table th,
.plan_table td {
  padding: 0.5rem;
  font-size: 0.875rem;
  border: 1px solid var(--navy_light);
}
@media screen and (min-width: 768px) {
  .plan_table th,
  .plan_table td {
    font-size: 1rem;
    padding: 0.5rem 1.25rem;
  }
}

.plan_table th {
  background-color: #cfe2ee;
  color: var(--black);
  vertical-align: middle;
}
.plan_table th.th_bc_green {
  background-color: #d3ece0;
}

.plan_table td {
  border: 1px solid var(--navy_light);
}

.plan_table th.plan_table_second_th {
  background-color: var(--navy_lightest);
  color: var(--navy);
  font-weight: normal;
}

.plan_table th.plan_table_second_th--green {
  background-color: var(--green_lightest);
  color: var(--green_dark);
}

.plan_table thead th {
  background-color: var(--navy);
  color: #fff;
}

/*===================================
 FAQ
====================================*/
.faq details {
  /* border: var(--green_light); */
  margin-top: 1rem;
}

.faq details > summary {
  position: relative;
  list-style: none;
  border: 1px solid var(--green_light);
  padding: 1rem 2.5rem 1rem 1.5rem;
  border-radius: 1rem;
  background-color: #fff;
  transition: background-color 0.3s;
}
summary::-webkit-details-marker {
  display: none;
}

.faq details > summary:hover {
  background-color: var(--green_lightest);
}

.faq details > summary::before {
  content: "Q.";
  color: var(--green);
  font-size: 1.5rem;
  font-weight: bold;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin-right: 0.5rem;
}
.faq details > summary::after {
  content: "\F231";
  position: absolute;
  top: 50%;
  right: 1rem;
  transform: translateY(-50%);
  font-family: "bootstrap-icons";
  color: var(--green);
}

.faq details[open] > summary {
  background-color: var(--green_lightest);
  border-radius: 1rem 1rem 0 0;
  border-bottom: 0;
}
.faq details[open] > summary::after {
  content: "\F229";
}

.faq details > .faq_answer {
  padding: 1rem 1rem 1rem 3.75rem;
  text-indent: calc(-1.5rem - 0.5em);
  border-radius: 0 0 1rem 1rem;
  background-color: #fff;
  border: 1px solid var(--green_light);
  /* padding-left: 1em; */
}
.faq details > .faq_answer::before {
  content: "A.";
  color: var(--navy);
  font-size: 1.5rem;
  font-weight: bold;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin-right: 0.5rem;
}

/*===================================
 紹介動画・カタログページ
====================================*/
.guide_movie {
  width: 100%;
  aspect-ratio: 16 / 9;
}

/*===================================
 私たちのシステムづくりについて（ヒストリー）
====================================*/
.history_container {
  position: relative;
}

.history_container .history_back {
  position: absolute;
  width: 100vw;
  height: 100%;
  background-repeat: no-repeat;
  margin: 0 calc(50% - 50vw);
  opacity: 0.3;
  z-index: -1;
}

.history_container:first-of-type .history_back {
  top: 528px;
  left: 0;
  display: block;
  background-image: url(../img/history_back1.png);
  background-size: 100% auto;
  transform: rotate(21deg);
}
@media screen and (min-width: 768px) {
  .history_container:first-of-type .history_back {
    top: clamp(31.25rem, 24.583rem + 13.89vw, 41.25rem);
    left: clamp(0rem, -34.583rem + 72.05vw, 51.875rem);
    background-size: clamp(43.75rem, 31.25rem + 26.04vw, 62.5rem) auto;
  }
}

.history_container:nth-of-type(2) .history_back {
  top: 290px;
  left: 117px;
  display: block;
  background-image: url(../img/history_back2.png);
  transform: rotate(-63deg);
  background-size: 100% auto;
}
@media screen and (min-width: 768px) {
  .history_container:nth-of-type(2) .history_back {
    top: clamp(-160px, calc(516.34px - 35.2vw), 246px);
    left: clamp(-120px, calc(275.21px - 20.6vw), 117px);
    background-size: clamp(40rem, 33.333rem + 13.89vw, 50rem) auto;
  }
}

.history_container:nth-of-type(3) .history_back {
  top: 350px;
  right: 0;
  display: block;
  background-image: url(../img/history_back3.png);
  background-size: 100% auto;
  transform: rotate(18deg);
}
@media screen and (min-width: 768px) {
  .history_container:nth-of-type(3) .history_back {
    top: clamp(32rem, 24.167rem + 16.32vw, 43.75rem);
    left: clamp(0rem, -37.5rem + 78.13vw, 56.25rem);
    background-size: clamp(37.5rem, 31.667rem + 12.15vw, 46.25rem) auto;
  }
}

.history_title {
  font-size: clamp(1.25rem, 0.25rem + 5vw, 4rem);
  font-weight: bold;
  line-height: 1.5;
  text-shadow:
    2px 2px 10px rgba(255, 255, 255, 0.8),
    -2px 2px 10px rgba(255, 255, 255, 0.8),
    2px -2px 10px rgba(255, 255, 255, 0.8),
    -2px -2px 10px rgba(255, 255, 255, 0.8);
  margin: 1rem;
}
@media screen and (min-width: 1200px) {
  .history_title {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }
}

.history_title > span.history_title_year {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-family:
    "Jost", "Hiragino Kaku Gothic ProN", "Hiragino Kaku Gothic Pro",
    "Yu Gothic Medium", "Yu Gothic", "Meiryo", sans-serif;
  font-size: clamp(0.75rem, 0.568rem + 0.91vw, 1.25rem);
  margin-top: 0.5rem;
}

.history_title > span.history_title_year::after {
  content: "";
  display: inline-block;
  background-color: currentColor;
  height: 1px;
}
@media screen and (min-width: 1200px) {
  .history_title > span.history_title_year {
    padding-left: 0.6rem;
  }
}

.history_img_container {
  position: relative;
}
@media screen and (min-width: 1200px) {
  .history_img_container {
    display: flex;
    align-items: center;
    width: calc(100%- 50vw);
  }
}

@media screen and (min-width: 1200px) {
  .history_container:nth-of-type(odd) .history_img_container {
    margin-left: calc(50% - 50vw);
  }
  .history_container:nth-of-type(odd) .history_title {
    right: 0;
  }
  .history_container:nth-of-type(even) .history_img_container {
    margin-right: calc(50% - 50vw);
  }
  .history_container:nth-of-type(even) .history_title {
    left: 0;
  }
}

.history_img_container img {
  object-fit: contain;
}

.history_paragraph {
  font-size: clamp(0.875rem, 0.648rem + 1.14vw, 1.5rem);
  font-family:
    "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "游明朝体", "Yu Mincho",
    YuMincho, serif;
  line-height: 1.7;
  margin-top: 4.5rem;
  margin-bottom: 10rem;
}

.history_paragraph_catch {
  display: block;
  margin: 1.5em 0;
  font-size: clamp(1.125rem, 0.625rem + 2.5vw, 2.5rem);
  font-weight: bold;
  line-height: 1.5;
}