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

* {
  box-sizing: border-box;
}

html,
body,
div,
span,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
abbr,
address,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
samp,
small,
strong,
sub,
sup,
var,
b,
i,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
summary,
time,
mark,
audio,
video {

  margin: 0;
  padding: 0;

  border: 0;
  outline: 0;
}

html {
  overflow-x: hidden;
}

body {

  overflow-x: hidden;

  background: #fff;
}

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

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

/* ========================================
   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;

  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;
}

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


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

.nav-item {
  position: relative;

  font-family: "Inter", sans-serif;

  font-size: 35px;
  font-weight: 400;

  line-height: 1;

  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-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: "Inter", sans-serif;

  font-size: 18px;

  line-height: 1.3;

  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);
}


/* ========================================
   ページ全体
======================================== */

.page {
  position: relative;

  width: 100%;

  overflow: hidden;
}


/* ========================================
   左右の装飾画像
======================================== */

.side-decoration {
  position: absolute;
  z-index: 2;

  display: block;

  width: 75px;
  height: auto;

  pointer-events: none;
  user-select: none;
}

.side-left {
  top: 310px;
  left: 0;
}

.side-right {
  top: 1500px;
  right: 0;
}


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

.header-decoration {
  position: relative;
  z-index: 5;

  display: flex;
  align-items: center;
  justify-content: center;

  width: 100%;
  min-height: 200px;

  padding: 15px 20px;

  overflow: hidden;

  background: #ffffff;

  margin-bottom: 40px;
}


/* ========================================
   ヘッダー装飾画像
======================================== */

.header-decoration {
  position: absolute;
  z-index: 0;

  display: block;

  width: 500px;
  height: auto;

  object-fit: contain;

  pointer-events: none;
  user-select: none;
}


/* ========================================
   セクション共通
   ★ 全体を広げて左右に振る
======================================== */

.section {
  position: relative;
  z-index: 3;

  width: 100%;
  max-width: 1300px;

  margin: 0 auto;

  padding: 30px 25px 55px;
}


/* ========================================
   見出し共通
======================================== */

.section-heading {
  position: relative;

  display: flex;

  align-items: center;

  width: 100%;
  min-height: 65px;

  margin-bottom: 25px;
}

.section-heading h2 {
  position: relative;
  z-index: 2;

  margin: 0;

  color: #111111;

  font-size: clamp(30px, 5vw, 80px);
  font-weight: 900;

  line-height: 1.3;
  letter-spacing: 0.06em;

  white-space: nowrap;
}

.title-decoration {
  position: absolute;
  z-index: 1;

  width: 100%;
  height: 100%;

  object-fit: contain;
  object-position: center;

  pointer-events: none;
}
/* ========================================
   企画情報
======================================== */

.projects {
  position: relative;

  display: flex;
  flex-direction: column;
  align-items: flex-end;

  width: 100%;

  padding-top: 20px;
  padding-bottom: 65px;
}


/* ========================================
   企画情報タイトル
======================================== */

.projects .section-heading {
  position: relative;
  z-index: 5;

  display: flex;
  align-items: center;
  justify-content: flex-end;

  width: 100%;
  max-width: 1100px;

  margin-left: auto;
  margin-right: 0;

  /* 装飾がポスター側へ重なる分 */
  margin-bottom: 0;
}


/* ========================================
   タイトル横の装飾
======================================== */

.info-title-decoration {
  position: relative;
  z-index: 6;

  display: block;

  width: 150px;
  height: auto;

  margin-right: 25px;

  /* 装飾を少し下へ */
  transform: translateY(25px);

  flex-shrink: 0;

  object-fit: contain;

  pointer-events: none;
  user-select: none;
}


/* ========================================
   ポスター
======================================== */

.projects .poster-area {
  position: relative;
  z-index: 3;

  display: flex;
  justify-content: flex-end;
  align-items: center;

  width: 100%;
  max-width: 1000px;

  margin-left: auto;
  margin-right: 0;

  /* タイトルとポスターを少し近づける */
  margin-top: -100px;
}

.projects .project-poster {
  position: relative;
  z-index: 3;

  display: block;

  width: 100%;
  max-width: 1000px;

  height: auto;

  object-fit: contain;
  object-position: right center;
}


/* ========================================
   600px以下
======================================== */

@media screen and (max-width: 600px) {

  .projects .section-heading {
    max-width: 100%;
  }

  .info-title-decoration {
    width: 80px;
    margin-right: 12px;

    transform: translateY(15px);
  }

  .projects .poster-area {
    max-width: 100%;
    margin-top: -50px;
  }

}


/* ========================================
   380px以下
======================================== */

@media screen and (max-width: 380px) {

  .info-title-decoration {
    width: 60px;
    margin-right: 8px;

    transform: translateY(10px);
  }

  .projects .poster-area {
    margin-top: -50px;
  }

}
/* 企画内容の説明文 */
.projects .project-description {
  width: 100%;
  max-width: 1000px;

  margin-top: 15px;
  margin-left: auto;
  margin-right: 0;

  color: #111111;

  font-size: 20px;
  font-weight: 500;
  line-height: 2;
  letter-spacing: 0.04em;

  text-align: left;
}


/* ========================================
   フロアマップ
   → 左寄せ
   ★ 以前より左側へ
======================================== */

.floor-section {
  display: flex;

  flex-direction: column;

  align-items: flex-start;

  width: 100%;

  padding-top: 35px;
  padding-bottom: 50px;
}


/* 見出しを左寄せ */

.floor-section .section-heading {
  justify-content: flex-start;

  width: 100%;
  max-width: 1100px;

  margin-left: 0;
  margin-right: auto;
}


/* フロアマップを左寄せ */

.floor-section .floor-map {
  display: flex;

  justify-content: flex-start;
  align-items: center;

  width: 100%;
  max-width: 1000px;

  margin-left: 0;
  margin-right: auto;
}


/* フロアマップ画像 */

.floor-section .floor-map img {
  display: block;

  width: 100%;
  max-width: 1000px;
  height: auto;

  object-fit: contain;
  object-position: left center;
}


/* 凡例も左寄せ */

.floor-section .map-legend {
  display: flex;

  justify-content: flex-start;

  width: 100%;
  max-width: 1000px;

  margin-left: 0;
  margin-right: auto;
}

/* ========================================
   注意事項
======================================== */

.notice-section {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  width: 100%;
  padding-top: 30px;
  padding-bottom: 65px;
}

/* 注意事項タイトル */
.notice-section .section-heading {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  width: 100%;
  max-width: 1100px;
  margin-left: auto;
  margin-right: 0;
}

/* 注意事項本文 */
.notice-section .notice-list {
  width: 100%;
  max-width: 1000px;
  margin-left: auto;
  margin-right: 0;

  color: #111111;
  font-size: 20px;
  font-weight: 500;
  line-height: 2;
  letter-spacing: 0.04em;

  text-align: left;
}

/* 注意事項の各項目 */
.notice-section .notice-list li {
  margin-bottom: 12px;
}

/* 最後の項目だけ余白をなくす */
.notice-section .notice-list li:last-child {
  margin-bottom: 0;
}

/* ========================================
   詳しい決済方法はこちら
   → .more-button と同じデザイン
======================================== */

.notice-button-area {
  position: relative;
  z-index: 20;

  display: flex;
  align-items: center;
  justify-content: flex-end;

  width: 100%;
  max-width: 1000px;

  height: 45px;
  min-height: 45px;

  margin: 28px 0 0;
  padding: 0;

  line-height: 1;
  flex-shrink: 0;
}

.notice-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  /* PCでは380px、狭い画面では自動的に縮む */
  width: min(200px, 100%);

  height: 45px;
  min-height: 45px;

  padding: 7px 18px;

  border-radius: 5px;

  background: linear-gradient(
    90deg,
    #ee82c9 0%,
    #b57ee5 50%,
    #4ba9d4 100%
  );

  color: #ffffff;

  font-family:
    "Noto Sans JP",
    "Hiragino Kaku Gothic ProN",
    "Yu Gothic",
    Meiryo,
    sans-serif;

  font-size: 18px;
  font-weight: 700;

  line-height: 1.2;
  text-align: center;

  white-space: nowrap;

  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.notice-button span {
  display: block;
  width: 100%;
  white-space: nowrap;
}

.notice-button:hover {
  transform: translateY(-2px);
  opacity: 0.85;
}


/* ========================================
   900px以下
======================================== */

@media screen and (max-width: 900px) {

  .notice-button-area {
    height: 40px;
    min-height: 40px;
  }

  .notice-button {
    width: min(380px, 100%);

    height: 40px;
    min-height: 40px;

    padding: 6px 14px;

    font-size: 15px;
  }

}


/* ========================================
   600px以下
======================================== */

@media screen and (max-width: 600px) {

  .notice-button-area {
    height: 35px;
    min-height: 35px;

    margin-top: 22px;
  }

  .notice-button {
    width: min(380px, 100%);

    height: 35px;
    min-height: 35px;

    padding: 5px 10px;

    font-size: 11px;
  }

}


/* ========================================
   380px以下
======================================== */

@media screen and (max-width: 380px) {

  .notice-button-area {
    height: 33px;
    min-height: 33px;

    margin-top: 20px;
  }

  .notice-button {
    width: min(380px, 100%);

    height: 33px;
    min-height: 33px;

    padding: 4px 8px;

    font-size: 10px;
  }

}

/* ========================================
   ホバー
======================================== */

.notice-button:hover {
  transform: translateY(-2px);

  opacity: 0.85;
}

/* ========================================
   1200px以下
   → 左右の装飾を非表示
======================================== */

@media screen and (max-width: 1200px) {

  .side-decoration {
    display: none;
  }

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

@media screen and (max-width: 900px) {

  /* 左右装飾を非表示 */

  .side-decoration {
    display: none;
  }


  /* セクション */

  .section {
    max-width: 100%;

    padding-right: 5%;
    padding-left: 5%;
  }


  /* 企画内容 */

  .projects .section-heading {
    width: 100%;
    max-width: 100%;
  }

  .projects .poster-area {
    width: 100%;
    max-width: 100%;
  }

  .projects .project-poster {
    width: 100%;
    max-width: 100%;
  }

  .projects .project-description {
    width: 100%;
    max-width: 100%;
  }


  /* フロアマップ */

  .floor-section .section-heading {
    width: 100%;
    max-width: 100%;
  }

  .floor-section .floor-map {
    width: 100%;
    max-width: 100%;
  }

  .floor-section .floor-map img {
    width: 100%;
    max-width: 100%;
  }

  .floor-section .map-legend {
    width: 100%;
    max-width: 100%;
  }


  /* 注意事項 */

  .notice-section .section-heading {
    width: 100%;
    max-width: 100%;
  }

  .notice-section .notice-list {
    width: 100%;
    max-width: 100%;
  }

  .notice-section .notice-button-area {
    width: 100%;
    max-width: 100%;
  }


  /* 決済ボタン */

  .notice-button-area {
    height: 40px;
    min-height: 40px;
  }

  .notice-button {
    width: 150px;
    height: 40px;
    min-height: 40px;

    font-size: 15px;
  }
}


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

@media screen and (max-width: 600px) {

  /* ヘッダー */





  /* セクション */

  .section {
    width: 100%;

    padding:
      25px
      7%
      40px;
  }


  /* 見出し */

  .section-heading {
    min-height: 50px;

    margin-bottom: 20px;
  }

  .section-heading h2 {
    font-size: clamp(23px, 6vw, 30px);
  }


  /* ==================================
     企画内容
  ================================== */

  .projects .section-heading {
    justify-content: flex-end;

    width: 100%;
    max-width: 100%;
  }

  .projects .poster-area {
    justify-content: flex-end;

    width: 100%;
    max-width: 100%;
  }

  .projects .project-poster {
    width: 100%;
    max-width: 100%;
  }

  .projects .project-description {
    width: 100%;
    max-width: 100%;

    margin-top: 12px;

    font-size: 10px;
    line-height: 1.8;

    text-align: left;
  }


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

  .floor-section {
    padding-top: 25px;
    padding-bottom: 40px;
  }

  .floor-section .section-heading {
    justify-content: flex-start;

    width: 100%;
    max-width: 100%;
  }

  .floor-section .floor-map {
    justify-content: flex-start;

    width: 100%;
    max-width: 100%;
  }

  .floor-section .floor-map img {
    width: 100%;
    max-width: 100%;
  }

  .floor-section .map-legend {
    justify-content: flex-start;

    width: 100%;
    max-width: 100%;

    gap: 12px;

    margin-top: 10px;

    font-size: 10px;
  }

  .legend-line {
    width: 20px;
  }


  /* ==================================
     注意事項
  ================================== */

  .notice-section {
    padding-top: 25px;
    padding-bottom: 45px;
  }

  .notice-section .section-heading {
    justify-content: flex-end;

    width: 100%;
    max-width: 100%;
  }

  .notice-section .notice-list {
    width: 100%;
    max-width: 100%;

    font-size: 10px;
    line-height: 1.9;
  }

  .notice-section .notice-button-area {
    justify-content: flex-end;

    width: 100%;
    max-width: 100%;

    margin-top: 22px;
  }


  /* 決済ボタン */

  .notice-button {
    width: 130px;
    height: 35px;
    min-height: 35px;

    padding: 6px 10px;

    font-size: 13px;
  }


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

  .footer-decoration {
    height: 90px;
  }

  .footer-title {
    height: 48px;

    padding:
      0
      15px
      5px;

    font-size: 17px;
  }

  .footer-content {
    padding:
      25px
      15px
      35px;

    gap:
      25px
      12px;
  }

  .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-navigation,
  .footer-navigation-right {
    gap: 25px;
  }

  .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;
  }

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

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

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


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

@media screen and (max-width: 380px) {

  /* セクション */

  .section {
    padding-right: 6%;
    padding-left: 6%;
  }


  /* 見出し */

  .section-heading h2 {
    font-size: 23px;
  }


  /* 説明 */

  .project-description {
    font-size: 9px;
  }


  /* 注意事項 */

  .notice-list {
    font-size: 9px;
  }


  /* 決済ボタン */

  .notice-button-area {
    height: 33px;
    min-height: 33px;

    margin-top: 20px;
  }

  .notice-button {
    width: 120px;
    height: 33px;
    min-height: 33px;

    padding:
      5px
      8px;

    font-size: 12px;
  }


  /* フッター */

  .footer-content {
    padding-right: 12px;
    padding-left: 12px;

    column-gap: 10px;
  }

  .footer-menu-title {
    font-size: 14px;
  }

  .footer-menu-list a {
    font-size: 10px;
  }
}


/* ========================================
   フッター全体
======================================== */

.footer {
  position: relative;
  z-index: 5;

  width: 100%;

  margin: 0;
  padding: 0;

  background:
    linear-gradient(
      110deg,
      #b9e4fa 0%,
      #d9ecfa 45%,
      #eee6fb 100%
    );

  color: #000000;

  font-family:
    Arial,
    "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 {
  display: block;

  width: 100%;
  height: 100%;

  object-fit: cover;
  object-position: center;
}


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

.footer-title {
  display: flex;

  align-items: flex-end;

  gap: 18px;

  width: 100%;
  height: 88px;

  padding:
    0
    36px
    5px;

  color: #000000;

  font-size: 30px;

  line-height: 1;
}

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

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


/* ========================================
   フッター横線
======================================== */

.footer-line {
  width: 100%;
  height: 3px;

  background: #000000;
}


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

.footer-content {
  display: grid;

  grid-template-columns:
    minmax(100px, 0.5fr)
    minmax(130px, 0.6fr)
    minmax(175px, 0.7fr)
    minmax(170px, 0.9fr);

  column-gap: 40px;

  width: 100%;

  padding:
    25px
    55px
    35px;

  align-items: start;
}


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

.footer-contact {
  color: #000000;

  font-size: 18px;

  line-height: 1.2;
}

.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;

  align-items: center;
  justify-content: center;

  width: 30px;
  height: 30px;

  flex-shrink: 0;

  color: #000000;

  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.footer-sns i {
  font-size: 40px;

  line-height: 1;
}

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

  opacity: 0.7;
}


/* X */

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


/* Instagram */

.footer-sns .sns-instagram i {
  font-size: 40px;
}


/* TikTok */

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


/* YouTube */

.footer-sns .sns-youtube i {
  font-size: 40px;
}


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

.theme-logo {
  display: flex;

  align-items: flex-start;
  justify-content: flex-start;

  width: 100%;

  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-navigation-right {
  display: flex;

  flex-direction: column;

  gap: 45px;

  min-width: 0;
}

.footer-menu {
  position: relative;

  min-width: 0;
}


/* メニュータイトル */

.footer-menu-title {
  display: block;

  margin-bottom: 8px;

  color: inherit;

  font-size: 25px;
  font-weight: 400;

  line-height: 1.2;

  white-space: nowrap;

  transition:
    opacity 0.2s ease;
}

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


/* サブメニュー */

.footer-menu-list {
  position: relative;

  display: flex;

  flex-direction: column;

  gap: 5px;

  padding-left: 12px;
}


/* 左側の縦線 */

.footer-menu-list::before {
  content: "";

  position: absolute;

  top: 0;
  bottom: 0;
  left: 3px;

  width: 2px;

  background: currentColor;
}

.footer-menu-list a {
  color: inherit;

  font-size: 15px;

  line-height: 1.3;

  overflow-wrap: anywhere;

  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: #333333;
}

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

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

.menu-info {
  color: #d889bd;
}

.menu-other {
  color: #ae7ae9;
}


/* ========================================
   1200px以下
======================================== */

@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;
  }
}


/* ========================================
   900px以下
======================================== */

@media screen and (max-width: 900px) {

  /* --------------------------------
     左右装飾
  -------------------------------- */

  .side-decoration {
    display: none;
  }


  /* --------------------------------
     セクション
  -------------------------------- */

  .section {
    max-width: 100%;

    padding-right: 5%;
    padding-left: 5%;
  }


  /* --------------------------------
     企画内容
  -------------------------------- */

  .projects .section-heading {
    width: 100%;
    max-width: 100%;
  }

  .projects .poster-area {
    width: 100%;
    max-width: 100%;
  }

  .projects .project-poster {
    width: 100%;
    max-width: 100%;
  }

  .projects .project-description {
    width: 100%;
    max-width: 100%;
  }


  /* --------------------------------
     フロアマップ
  -------------------------------- */

  .floor-section .section-heading {
    width: 100%;
    max-width: 100%;
  }

  .floor-section .floor-map {
    width: 100%;
    max-width: 100%;
  }

  .floor-section .floor-map img {
    width: 100%;
    max-width: 100%;
  }

  .floor-section .map-legend {
    width: 100%;
    max-width: 100%;
  }


  /* --------------------------------
     注意事項
  -------------------------------- */

  .notice-section .section-heading {
    width: 100%;
    max-width: 100%;
  }

  .notice-section .notice-list {
    width: 100%;
    max-width: 100%;
  }

  .notice-section .notice-button-area {
    width: 100%;
    max-width: 100%;
  }


  /* --------------------------------
     決済ボタン
  -------------------------------- */

  .notice-button-area {
    height: 40px;
    min-height: 40px;
  }

  .notice-button {
    width: 150px;
    height: 40px;
    min-height: 40px;

    font-size: 15px;
  }


  /* --------------------------------
     フッター上部
  -------------------------------- */

  .footer-decoration {
    height: 120px;
  }

  .footer-title {
    height: 60px;

    gap: 10px;

    padding-left: 20px;
    padding-bottom: 6px;

    font-size: 20px;
  }


  /* --------------------------------
     フッター本体
  -------------------------------- */

  .footer-content {
    grid-template-columns:
      minmax(0, 1fr)
      minmax(0, 1fr);

    gap:
      30px
      20px;

    padding:
      25px
      20px
      35px;
  }


  /* --------------------------------
     連絡先
  -------------------------------- */

  .footer-contact {
    grid-column: 1;
    grid-row: 1;

    min-width: 0;

    font-size: 16px;
  }

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

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

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


  /* --------------------------------
     テーマロゴ
  -------------------------------- */

  .theme-logo {
    grid-column: 2;
    grid-row: 1;

    width: 100%;
    min-width: 0;
  }

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


  /* --------------------------------
     左ナビ
  -------------------------------- */

  .footer-navigation {
    grid-column: 1;
    grid-row: 2;

    gap: 30px;
  }


  /* --------------------------------
     右ナビ
  -------------------------------- */

  .footer-navigation-right {
    grid-column: 2;
    grid-row: 2;

    gap: 30px;
  }


  /* --------------------------------
     メニュー
  -------------------------------- */

  .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: 1.3;
  }


  /* --------------------------------
     SNS
  -------------------------------- */

  .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;
  }

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

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

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


  /* --------------------------------
     カウントダウン
  -------------------------------- */

  .count-area {
    height:
      clamp(
        350px,
        70vw,
        500px
      );
  }

  .count-backgrounds {
    height: 100%;

    min-height: 0;
  }

  .countdown-wrapper {
    width: 75%;
  }

  .countdown-title {
    top: 8%;

    font-size:
      clamp(
        24px,
        5vw,
        45px
      );
  }

  .countdown {
    top: 45%;
  }

  .count-content span {
    font-size:
      clamp(
        18px,
        5vw,
        55px
      );
  }

  .count-content small {
    font-size:
      clamp(
        6px,
        1.8vw,
        12px
      );
  }
}


/* ========================================
   600px以下
======================================== */

@media screen and (max-width: 600px) {

  /* --------------------------------
     セクション
  -------------------------------- */

  .section {
    width: 100%;

    padding:
      25px
      7%
      40px;
  }


  /* --------------------------------
     見出し
  -------------------------------- */

  .section-heading {
    min-height: 50px;

    margin-bottom: 20px;
  }

  .section-heading h2 {
    font-size:
      clamp(
        23px,
        6vw,
        30px
      );
  }


  /* --------------------------------
     企画内容
  -------------------------------- */

  .projects .section-heading {
    justify-content: flex-end;

    width: 100%;
    max-width: 100%;
  }

  .projects .poster-area {
    justify-content: flex-end;

    width: 100%;
    max-width: 100%;
  }

  .projects .project-poster {
    width: 100%;
    max-width: 100%;
  }

  .projects .project-description {
    width: 100%;
    max-width: 100%;

    margin-top: 12px;

    font-size: 10px;

    line-height: 1.8;

    text-align: left;
  }


  /* --------------------------------
     フロアマップ
  -------------------------------- */

  .floor-section {
    padding-top: 25px;
    padding-bottom: 40px;
  }

  .floor-section .section-heading {
    justify-content: flex-start;

    width: 100%;
    max-width: 100%;
  }

  .floor-section .floor-map {
    justify-content: flex-start;

    width: 100%;
    max-width: 100%;
  }

  .floor-section .floor-map img {
    width: 100%;
    max-width: 100%;
  }

  .floor-section .map-legend {
    justify-content: flex-start;

    width: 100%;
    max-width: 100%;

    gap: 12px;

    margin-top: 10px;

    font-size: 10px;
  }

  .legend-line {
    width: 20px;
  }


  /* --------------------------------
     注意事項
  -------------------------------- */

  .notice-section {
    padding-top: 25px;
    padding-bottom: 45px;
  }

  .notice-section .section-heading {
    justify-content: flex-end;

    width: 100%;
    max-width: 100%;
  }

  .notice-section .notice-list {
    width: 100%;
    max-width: 100%;

    font-size: 10px;

    line-height: 1.9;
  }

  .notice-section .notice-button-area {
    justify-content: flex-end;

    width: 100%;
    max-width: 100%;

    margin-top: 22px;
  }


  /* --------------------------------
     決済ボタン
  -------------------------------- */

  .notice-button-area {
    height: 35px;
    min-height: 35px;
  }

  .notice-button {
    width: 130px;
    height: 35px;
    min-height: 35px;

    padding:
      6px
      10px;

    font-size: 13px;
  }


  /* --------------------------------
     フッター
  -------------------------------- */

  .footer {
    padding: 0;
  }

  .footer-decoration {
    height: 90px;
  }

  .footer-title {
    height: 48px;

    padding:
      0
      15px
      5px;

    font-size: 17px;
  }

  .footer-content {
    padding:
      25px
      15px
      35px;

    gap:
      25px
      12px;
  }

  .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-navigation,
  .footer-navigation-right {
    gap: 25px;
  }

  .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;
  }

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

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

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


/* ========================================
   380px以下
======================================== */

@media screen and (max-width: 380px) {

  /* --------------------------------
     セクション
  -------------------------------- */

  .section {
    padding-right: 6%;
    padding-left: 6%;
  }


  /* --------------------------------
     見出し
  -------------------------------- */

  .section-heading h2 {
    font-size: 23px;
  }


  /* --------------------------------
     説明
  -------------------------------- */

  .project-description {
    font-size: 9px;
  }


  /* --------------------------------
     注意事項
  -------------------------------- */

  .notice-list {
    font-size: 9px;
  }


  /* --------------------------------
     決済ボタン
  -------------------------------- */

  .notice-button-area {
    height: 33px;
    min-height: 33px;

    margin-top: 20px;
  }

  .notice-button {
    width: 120px;
    height: 33px;
    min-height: 33px;

    padding:
      5px
      8px;

    font-size: 12px;
  }


  /* --------------------------------
     フッター
  -------------------------------- */

  .footer-content {
    padding-right: 12px;
    padding-left: 12px;

    column-gap: 10px;
  }

  .footer-menu-title {
    font-size: 14px;
  }

  .footer-menu-list a {
    font-size: 10px;
  }
}
/* ========================================
   注意事項 背景
======================================== */

.notice-section {
  position: relative;
  z-index: 3;

  display: flex;
  flex-direction: column;
  align-items: flex-end;

  width: 100%;

  padding-top: 30px;
  padding-bottom: 65px;

  /* 背景 */
  background-image: url("image/notice-bg.png");
  background-repeat: no-repeat;
  background-position: center top;
  background-size:  70% auto;
}
/* ========================================
   ヘッダー装飾の位置修正
======================================== */

/* 外側のヘッダー領域 */
header.header-decoration {
  position: relative;

  z-index: 5;

  display: flex;
  align-items: center;
  justify-content: center;

  width: 100%;
  min-height: 200px;

  margin: 0 0 40px;
  padding: 15px 20px;

  overflow: hidden;

  background: #ffffff;
}

/* ヘッダー内の画像 */
header.header-decoration img.header-decoration {
  position: relative;

  z-index: 1;

  display: block;

  width: 500px;
  max-width: 100%;
  height: auto;

  margin: 0 auto;

  object-fit: contain;
}


/* ========================================
   ヘッダー下の余白をなくす
======================================== */

header.header-decoration {
  height: 130px !important;
  min-height: 130px !important;

  margin-bottom: 0 !important;
  padding-bottom: 0;
}

/* ヘッダー直後の企画内容も上に詰める */
header.header-decoration + .projects {
  padding-top: 0;
}