@charset "utf-8";

:root {
  --txt-color: #333;
  --blue: #1b1464;
  --bg-color-kadai: #f3f7fa;
  --bg-color-dept: #f0f4ff;
  --bg-gray: #f6f6f6;
}

#wrapper {
  width: 1200px;
  min-height: calc(
    100vh - var(--footer-height, 0px)
  ); /* 変数の値が取得できない場合0で計算される */
  margin: 0 auto;
  padding-bottom: 32px;
  line-height: 1.5;
  font-size: 16px;
  font-weight: 500;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--txt-color);
}

.wrapper *,
*::before,
*::after {
  box-sizing: border-box;
}

#wrapper a {
  text-decoration: none;
}

#wrapper h1 {
  text-align: center;
  margin: 32px 0 32px;
  color: var(--blue);
  font-size: 48px;
  font-weight: 800;
}

#wrapper h2 {
  margin: 0;
}

#wrapper h2 img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

#wrapper h3 {
  margin: 0 0 24px;
  padding: 10px;
  background-color: var(--bg-color-kadai);
  text-align: center;
  color: var(--blue);
}

#wrapper .tab_dpt h3 {
  background-color: var(--bg-color-dept);
}

.tab {
  display: flex;
  flex-wrap: wrap;
  gap: 0 10px;
  max-width: 1200px;
}

.tab p {
  margin-bottom: 60px;
  padding: 10px;
  font-size: 18px;
  font-weight: bold;
}

.tab .nav {
  margin: 0;
  padding: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.tab .nav .nav_items {
  width: calc((100% / 4) - 18px);
  border-radius: 2px;
  text-align: center;
  box-sizing: border-box;
  list-style: none;
}

.tab .nav .nav_items a {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  padding: 16px 0;
  color: var(--blue);
  background-color: var(--bg-color-kadai);
  border-radius: 2px;
  border: 1px solid var(--blue);
  transition: 0.3s;
}

.tab .nav .nav_items a::after {
  position: absolute;
  display: block;
  content: "";
  width: 7px;
  height: 7px;
  top: 50%;
  right: 16px;
  border-right: 1px solid var(--blue);
  border-bottom: 1px solid var(--blue);
  transform: translateY(-50%) rotate(45deg);
}

.tab .nav .nav_items a:hover {
  background-color: var(--blue);
  color: #fff;
}

.tab .nav .nav_items a:hover::after {
  border-right: 1px solid #fff;
  border-bottom: 1px solid #fff;
}

.tab section {
  margin-bottom: 64px;
}

.tab .bnr-box,
.tab .tab_items {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.tab .bnr-box div,
.tab .tab_items div {
  width: calc((100% / 3) - 16px);
  height: auto;
  box-sizing: border-box;
}

.tab .bnr-box img,
.tab .tab_items img {
  width: 100%;
  height: auto;
  vertical-align: bottom;
}

.tab .bnr-box a,
.tab .tab_items a {
  display: block;
  position: relative;
  overflow: hidden;
}

.tab .bnr-box a:hover,
.tab .tab_items a:hover {
  opacity: 0.7;
}

.tab > label {
  flex: 1 1;
  order: -1;
  min-width: 70px;
  padding: 0.6em 1em;
  border-radius: 2px 2px 0 0;
  background-color: var(--blue);
  color: #fff;
  font-size: 24px;
  text-align: center;
  cursor: pointer;
  opacity: 0.3;
}

.tab input {
  display: none;
}

.tab > div {
  display: none;
  width: 100%;
  background-color: #fff;
}

.tab label:has(:checked) {
  opacity: 1;
}

.tab label:has(:checked) + div {
  display: block;
}

/* ------------------------
ボタン 
------------------------ */
.tab_item_buttons {
  width: 84%;
  margin: 48px auto;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.tab_item_buttons .filter_btn {
  width: calc((100% / 4) - 18px);
  padding: 8px;
  font-size: 16px;
  font-weight: 500;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--blue);
  background-color: var(--bg-color-kadai);
  border: 1px solid var(--blue);
  cursor: pointer;
}

.tab_dpt .tab_item_buttons .filter_btn {
  background-color: var(--bg-color-dept);
  border: 1px solid var(--blue);
}

.tab_item_buttons .filter_btn.active {
  color: #fff;
  background-color: var(--blue);
  border: 1px solid var(--blue);
}