/* ========================================
   リセットCSS
======================================== */

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

html {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  font-family: "Noto Sans JP", sans-serif;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: #fff;
  color: #111;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-style: normal;
  line-height: 1.5;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button {
  font: inherit;
}


/* ========================================
   ヘッダー
======================================== */

.header {
  position: relative;
  z-index: 1000;
  margin: 0;
}


/* ========================================
   ハンバーガーボタン
======================================== */

.hamburger {
  display: block;
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1200;
  width: 55px;
  height: 55px;
  padding: 10px;
  border: none;
  background: #fff;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 3px;
  margin: 6px 0;
  background: #333;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
}


/* ========================================
   ハンバーガー → ×
======================================== */

.hamburger.is-open span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}


/* ========================================
   メニューパネル
======================================== */

.menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1100;
  width: 380px;
  max-width: 90vw;
  height: 100vh;
  height: 100dvh;
  padding: 100px 30px 30px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: 25px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: -5px 0 20px rgba(0, 0, 0, 0.12);
  transform: translateX(100%);
  transition: transform 0.35s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.menu-panel.is-open {
  transform: translateX(0);
}


/* ========================================
   ナビゲーション
======================================== */

.nav-item {
  position: relative;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 35px;
  font-weight: 400;
  line-height: 1.3;
  white-space: nowrap;
}

.nav-row {
  display: flex;
  align-items: center;
  gap: 5px;
}

.nav-row > a {
  color: inherit;
  text-decoration: none;
}


/* ========================================
   サブメニュー開閉ボタン
======================================== */

.submenu-toggle {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-family: sans-serif;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.3s ease;
}


/* ========================================
   ナビゲーションカラー
======================================== */

.menu {
  color: #007aba;
}

.nav-info {
  color: rgba(185, 98, 157, 0.75);
}

.nav-visit {
  color: #3d8739;
}

.other {
  color: rgba(173, 111, 231, 0.75);
}


/* ========================================
   サブメニュー
======================================== */

.submenu {
  position: static;
  min-width: 0;
  margin-top: 15px;
  padding: 0;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  opacity: 0;
  visibility: hidden;
  max-height: 0;
  overflow: hidden;
  transform: none;
  transition:
    opacity 0.25s ease,
    max-height 0.3s ease,
    visibility 0.25s ease;
}

.nav-item.is-open .submenu {
  opacity: 1;
  visibility: visible;
  max-height: 500px;
}

.submenu a {
  display: block;
  padding: 10px 15px;
  color: #333;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 18px;
  line-height: 1.5;
  text-decoration: none;
  transition:
    background-color 0.2s ease,
    padding-left 0.2s ease;
}

.submenu a:hover {
  background: rgba(0, 0, 0, 0.05);
  padding-left: 22px;
}

.nav-item.is-open .submenu-toggle {
  transform: rotate(90deg);
}


/* ========================================
   フロアマップページ
======================================== */

.page {
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 18px 18px 50px;
  font-family: "Noto Sans JP", sans-serif;
}


/* ========================================
   ページタイトル画像
======================================== */

.header-floor {
  position: relative;
  z-index: 3;
  display: flex;
  justify-content: center;
  width: 100%;
  margin: 80px auto 50px;
}

.header-floor img {
  display: block;
  width: 600px;
  max-width: 80%;
  height: auto;
  object-fit: contain;
}


/* ========================================
   棟タイトル
======================================== */

.section {
  margin: 0 0 32px;
}

.section h2 {
  margin: 0 0 12px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.5;
  color: #222;
}


/* ========================================
   スライダー
======================================== */

.slider {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.track {
  display: flex;
  width: 100%;
  transition: transform 0.3s ease;
  touch-action: pan-y;
}

.slide {
  flex: 0 0 100%;
  width: 100%;
  min-width: 100%;
  padding: 0 38px;
}


/* ========================================
   マップカード
======================================== */

.card {
  width: 100%;
  border: 1px solid #eee;
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
}


/* ========================================
   フロアマップ画像
======================================== */

.map {
  display: block;
  width: 100%;
  aspect-ratio: 900 / 520;
  object-fit: contain;
  background: #fafafa;
  -webkit-user-drag: none;
}


/* ========================================
   矢印
======================================== */

.arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border: 0;
  background: #fff;
  font-family: sans-serif;
  font-size: 30px;
  line-height: 30px;
  padding: 0;
  cursor: pointer;
  z-index: 2;
  color: #222;
}

.prev {
  left: 0;
}

.next {
  right: 0;
}

.arrow:disabled {
  opacity: 0.25;
  cursor: default;
}


/* ========================================
   ドット
======================================== */

.dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 5px;
  margin-top: 8px;
}

.dot {
  display: block;
  width: 6px;
  height: 6px;
  flex: 0 0 6px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #ccc;
  cursor: pointer;
}

.dot.active {
  background: #000;
}


/* ========================================
   操作説明
======================================== */

.note {
  margin: 18px 0 0;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: #000;
  text-align: center;
}


/* ========================================
   PC
======================================== */

@media (min-width: 700px) {
  .page {
    padding-left: 32px;
    padding-right: 32px;
  }

  .section h2 {
    font-size: 24px;
  }

  .header-floor img {
    width: 600px;
    max-width: 80%;
  }
}


/* ========================================
   スマートフォン
======================================== */

@media (max-width: 699px) {
  .header-floor {
    margin: 50px auto 35px;
  }

  .header-floor img {
    width: 400px;
    max-width: 85%;
  }

  .nav-item {
    font-size: 30px;
  }

  .submenu a {
    font-size: 17px;
  }
}


/* ========================================
   小さいスマートフォン
======================================== */

@media (max-width: 380px) {
  .page {
    padding-left: 12px;
    padding-right: 12px;
  }

  .header-floor {
    margin: 50px auto 35px;
  }

  .header-floor img {
    width: 400px;
    max-width: 85%;
  }

  .section h2 {
    font-size: 20px;
  }

  .slide {
    padding-left: 32px;
    padding-right: 32px;
  }

  .arrow {
    width: 30px;
    height: 30px;
    font-size: 27px;
  }
}


/* ========================================
   フッター
======================================== */

.footer {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
  background: linear-gradient(
    110deg,
    #b9e4fa 0%,
    #d9ecfa 45%,
    #eee6fb 100%
  );
  font-family: "Noto Sans JP", sans-serif;
  overflow: hidden;
}


/* ========================================
   フッター上部装飾
======================================== */

.footer-decoration {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.footer-decoration img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}


/* ========================================
   フッタータイトル
======================================== */

.footer-title {
  height: 88px;
  display: flex;
  align-items: flex-end;
  gap: 18px;
  padding-left: 36px;
  padding-bottom: 5px;
  color: #000;
  font-size: 30px;
  line-height: 1;
}

.footer-title-en {
  font-style: italic;
  font-weight: 900;
}

.footer-title-jp {
  font-style: normal;
  font-weight: 900;
}


/* ========================================
   タイトル下横線
======================================== */

.footer-line {
  width: 100%;
  height: 3px;
  background: #000;
}


/* ========================================
   フッター本体
======================================== */

.footer-content {
  width: 100%;
  display: grid;
  grid-template-columns:
    minmax(100px, 0.5fr)
    minmax(130px, 0.6fr)
    minmax(175px, 0.7fr)
    minmax(170px, 0.9fr);
  column-gap: 40px;
  padding: 25px 55px 35px;
  align-items: start;
}


/* ========================================
   連絡先
======================================== */

.footer-contact {
  color: #000;
  font-size: 18px;
  line-height: 1.2;
  min-width: 0;
}

.contact-name {
  margin-bottom: 3px;
}

.contact-mail {
  margin-bottom: 14px;
  font-size: 16px;
  word-break: break-word;
}

.contact-school {
  margin-bottom: 13px;
  font-size: 14px;
  line-height: 1.35;
}

.contact-tel {
  font-size: 14px;
  line-height: 1.4;
}


/* ========================================
   SNS
======================================== */

.footer-sns {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.footer-sns a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  color: #000;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.footer-sns i {
  font-family: "Font Awesome 6 Brands";
  font-size: 40px;
  line-height: 1;
}

.footer-sns .sns-x i {
  font-size: 36px;
}

.footer-sns a:hover {
  transform: translateY(-3px);
  opacity: 0.7;
}


/* ========================================
   テーマロゴ
======================================== */

.theme-logo {
  width: 100%;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  min-width: 0;
}

.theme-logo img {
  display: block;
  width: 100%;
  max-width: 250px;
  height: auto;
  object-fit: contain;
}


/* ========================================
   フッターナビ
======================================== */

.footer-navigation {
  display: flex;
  flex-direction: column;
  gap: 45px;
  min-width: 0;
}

.footer-menu {
  position: relative;
}

.footer-menu-title {
  display: block;
  margin-bottom: 8px;
  font-size: 25px;
  font-weight: 400;
  line-height: 1.3;
  color: inherit;
  white-space: nowrap;
  transition: opacity 0.2s ease;
}

.footer-menu-title:hover {
  opacity: 0.65;
}

.footer-menu-list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-left: 12px;
}

.footer-menu-list::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: currentColor;
}

.footer-menu-list a {
  font-size: 15px;
  line-height: 1.4;
  color: inherit;
  transition: opacity 0.2s ease;
}

.footer-menu-list a:hover {
  opacity: 0.65;
}


/* ========================================
   フッターメニューカラー
======================================== */

.menu-home {
  color: #333;
}

.menu-about {
  color: #0082c4;
}

.menu-visit {
  color: #3c963b;
}

.menu-info {
  color: #d889bd;
}

.menu-other {
  color: #ae7ae9;
}


/* ========================================
   タブレット
======================================== */

@media screen and (max-width: 1200px) {
  .footer-content {
    grid-template-columns:
      minmax(150px, 0.9fr)
      minmax(120px, 0.6fr)
      minmax(160px, 1fr)
      minmax(160px, 1fr);
    column-gap: 25px;
    padding-left: 35px;
    padding-right: 35px;
  }

  .footer-menu-title {
    font-size: 22px;
  }

  .theme-logo img {
    max-width: 200px;
  }
}


/* ========================================
   スマートフォン
======================================== */

@media screen and (max-width: 900px) {
  .footer-decoration {
    height: 120px;
  }

  .footer-title {
    height: 60px;
    gap: 10px;
    padding-left: 20px;
    padding-bottom: 6px;
    font-size: 20px;
  }

  .footer-content {
    grid-template-columns:
      minmax(0, 1fr)
      minmax(0, 1fr);
    gap: 30px 20px;
    padding: 25px 20px 35px;
  }

  .footer-contact {
    grid-column: 1;
    grid-row: 1;
    font-size: 16px;
    min-width: 0;
  }

  .contact-mail {
    font-size: 13px;
  }

  .contact-school {
    font-size: 12px;
  }

  .contact-tel {
    font-size: 12px;
  }

  .theme-logo {
    grid-column: 2;
    grid-row: 1;
    width: 100%;
    min-width: 0;
  }

  .theme-logo img {
    width: 100%;
    max-width: 200px;
  }

  .footer-navigation {
    grid-column: 1;
    grid-row: 2;
    gap: 30px;
  }

  .footer-navigation-right {
    grid-column: 2;
    grid-row: 2;
    gap: 30px;
  }

  .footer-menu-title {
    font-size: 18px;
    white-space: normal;
  }

  .footer-menu-list {
    padding-left: 10px;
    gap: 4px;
  }

  .footer-menu-list a {
    font-size: 12px;
    line-height: 1.4;
  }

  .footer-sns {
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
  }

  .footer-sns a {
    width: 38px;
    height: 38px;
  }

  .footer-sns i {
    font-size: 32px;
  }

  .footer-sns .sns-x i {
    font-size: 29px;
  }
}


/* ========================================
   小さいスマートフォン
======================================== */

@media screen and (max-width: 480px) {
  .footer-content {
    padding-left: 15px;
    padding-right: 15px;
    gap: 25px 12px;
  }

  .footer-title {
    padding-left: 15px;
    font-size: 17px;
  }

  .footer-contact {
    font-size: 14px;
  }

  .contact-mail {
    font-size: 11px;
  }

  .contact-school {
    font-size: 10px;
  }

  .contact-tel {
    font-size: 10px;
  }

  .theme-logo img {
    max-width: 180px;
  }

  .footer-menu-title {
    font-size: 16px;
  }

  .footer-menu-list a {
    font-size: 11px;
  }

  .footer-sns {
    gap: 6px;
  }

  .footer-sns a {
    width: 32px;
    height: 32px;
  }

  .footer-sns i {
    font-size: 27px;
  }

  .footer-sns .sns-x i {
    font-size: 25px;
  }
}