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

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  padding: 0;
  min-width: 320px;
  overflow-x: hidden;

  background: #ffffff;
  color: #111111;

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

  line-height: 1.5;
}

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

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
======================================== */

.other-page {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #ffffff;
}


/* ========================================
   上部画像
======================================== */

.top-image {
  width: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.top-image img {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
}


/* ========================================
   各セクション共通
======================================== */

.sns-section,
.editorial-section {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.sns-inner,
.editorial-inner {
  position: relative;
  z-index: 5;

  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}


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

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

  display: block;
  width: auto;
  height: 100%;
  max-width: 15vw;
  max-height: 100%;

  top: 0;

  object-fit: contain;
  pointer-events: none;
  user-select: none;
}

/* 左側 */

.side-left {
  left: 0;
}

/* 右側 */

.side-right {
  right: 0;
}

/* 1200px以下で非表示 */

@media screen and (max-width: 1200px) {
  .side-decoration {
    display: none;
  }
}


/* ========================================
   ① 各種SNS
======================================== */

.sns-section {
  min-height: 340px;
  padding: 38px 5% 45px;
}

.sns-inner {
  max-width: 1100px;
}

/* タイトル */

.sns-title {
  margin: 0 0 25px;
  padding: 0;

  font-size: 54px;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.04em;
  text-align: left;
}


/* ========================================
   SNSコンテンツ
======================================== */

.sns-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;

  width: 100%;
  max-width: 850px;
}

/* SNSリンク */

.sns-links {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
}

.sns-item {
  display: grid;
  grid-template-columns: 36px auto;
  grid-template-rows: 36px 36px;
  align-items: center;
  column-gap: 10px;

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

/* Instagramロゴ */

.sns-item > i {
  grid-column: 1;
  grid-row: 1;

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

  width: 36px;
  height: 36px;

  font-size: 35px;
  line-height: 1;

  background: linear-gradient(
    45deg,
    #feda75,
    #fa7e1e,
    #d62976,
    #962fbf,
    #4f5bd5
  );

  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

/* FOLLOW */

.sns-follow {
  grid-column: 2;
  grid-row: 1;

  font-size: 24px;
  font-weight: 800;
  line-height: 1;
}

/* アカウント名 */

.sns-account {
  grid-column: 1 / 3;
  grid-row: 2;

  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}


/* ========================================
   QRコード画像
======================================== */

.sns-qr {
  flex: 0 0 145px;
  width: 145px;
  min-width: 0;
}

.sns-qr img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}


/* ========================================
   ボタン共通
======================================== */

.button-area {
  position: relative;
  z-index: 10;

  display: flex;
  align-items: center;

  width: 100%;
  height: 45px;
  margin-top: 20px;
}

/* ボタン本体 */

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

  width: 150px;
  height: 45px;
  min-height: 45px;

  padding: 8px 12px;
  border-radius: 5px;

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

  color: #ffffff;

  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;

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

.more-button span {
  display: block;
  white-space: nowrap;
}

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


/* SNSボタン */

.sns-button-area {
  justify-content: flex-start;
  margin-top: 15px;
}


/* ========================================
   ② 編集後記
======================================== */

.editorial-section {
  min-height: 340px;
  padding: 45px 5% 55px;
}

.editorial-inner {
  max-width: 1100px;
}

/* タイトル */

.editorial-title {
  width: 100%;
  margin: 0 0 5px;

  font-size: 54px;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.04em;
  text-align: right;
}


/* ========================================
   魚の画像
======================================== */

.editorial-image {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 550px;
  margin: 0 auto;
}

.editorial-image img {
  display: block;
  width: 260px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}



/* ========================================
   編集後記ボタン
======================================== */

.editorial-button-area {
  display: flex;
  justify-content: center;
  margin-top: 12px;
}


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

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

  .sns-section {
    min-height: 300px;
    padding: 30px 5% 35px;
  }

  .sns-title,
  .editorial-title {
    font-size: 27px;
  }

  .sns-content {
    max-width: 650px;
  }

  .sns-qr {
    flex-basis: 130px;
    width: 130px;
  }

  .sns-item > i {
    width: 32px;
    height: 32px;
    font-size: 31px;
  }

  .sns-item {
    grid-template-columns: 32px auto;
    grid-template-rows: 32px 32px;
  }

  .sns-follow,
  .sns-account {
    font-size: 19px;
  }

  .editorial-section {
    min-height: 290px;
    padding: 30px 5% 40px;
  }

  .editorial-image img {
    width: 240px;
  }
}


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

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

  .sns-section {
    min-height: 280px;
    padding: 28px 5% 35px;
  }

  .sns-title {
    margin-bottom: 18px;
    font-size: 23px;
  }

  .sns-content {
    gap: 10px;
  }

  .sns-item {
    grid-template-columns: 30px auto;
    grid-template-rows: 30px 30px;
    column-gap: 6px;
  }

  .sns-item > i {
    width: 30px;
    height: 30px;
    font-size: 29px;
  }

  .sns-follow,
  .sns-account {
    font-size: 13px;
  }

  .sns-qr {
    flex-basis: 115px;
    width: 115px;
  }

  .sns-button-area {
    margin-top: 12px;
  }

  .button-area {
    height: 40px;
  }

  .more-button {
    width: 140px;
    height: 40px;
    min-height: 40px;
    padding: 6px 10px;
    font-size: 13px;
  }

  .editorial-section {
    min-height: 280px;
    padding: 30px 5% 35px;
  }

  .editorial-title {
    margin-bottom: 5px;
    font-size: 23px;
  }

  .editorial-image img {
    width: 210px;
  }

  .editorial-button-area {
    margin-top: 10px;
  }
}


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

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

  .sns-section {
    padding: 22px 4% 28px;
  }

  .sns-title,
  .editorial-title {
    font-size: 21px;
  }

  .sns-content {
    gap: 5px;
  }

  .sns-qr {
    flex-basis: 100px;
    width: 100px;
  }

  .sns-follow,
  .sns-account {
    font-size: 11px;
  }

  .more-button {
    width: 130px;
    font-size: 12px;
  }

  .editorial-section {
    padding: 25px 4% 30px;
  }

  .editorial-image img {
    width: 190px;
  }
}

/* ========================================
   全体のサイズをもう一段階拡大
======================================== */

/* 各種SNSタイトル */
.sns-title {
  font-size: 64px;
}

/* Instagram */
.sns-item {
  grid-template-columns: 44px auto;
  grid-template-rows: 44px 44px;
  column-gap: 12px;
}

.sns-item > i {
  width: 44px;
  height: 44px;
  font-size: 43px;
}

.sns-follow {
  font-size: 28px;
}

.sns-account {
  font-size: 28px;
}

/* QRコード */
.sns-qr {
  flex-basis: 175px;
  width: 175px;
}

/* 編集後記タイトル */
.editorial-title {
  font-size: 64px;
}

/* 魚の画像 */
.editorial-image img {
  width: 310px;
}

/* ボタン */
.more-button {
  width: 165px;
  height: 48px;
  min-height: 48px;
  font-size: 16px;
}

.button-area {
  height: 48px;
}


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

@media screen and (max-width: 900px) {
  .sns-title,
  .editorial-title {
    font-size: 34px;
  }

  .sns-item {
    grid-template-columns: 36px auto;
    grid-template-rows: 36px 36px;
  }

  .sns-item > i {
    width: 36px;
    height: 36px;
    font-size: 35px;
  }

  .sns-follow,
  .sns-account {
    font-size: 22px;
  }

  .sns-qr {
    flex-basis: 145px;
    width: 145px;
  }

  .editorial-image img {
    width: 270px;
  }
}


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

@media screen and (max-width: 600px) {
  .sns-title,
  .editorial-title {
    font-size: 27px;
  }

  .sns-item {
    grid-template-columns: 32px auto;
    grid-template-rows: 32px 32px;
    column-gap: 8px;
  }

  .sns-item > i {
    width: 32px;
    height: 32px;
    font-size: 31px;
  }

  .sns-follow,
  .sns-account {
    font-size: 15px;
  }

  .sns-qr {
    flex-basis: 125px;
    width: 125px;
  }

  .editorial-image img {
    width: 230px;
  }

  .more-button {
    width: 145px;
    height: 42px;
    min-height: 42px;
    font-size: 14px;
  }

  .button-area {
    height: 42px;
  }
}


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

@media screen and (max-width: 380px) {
  .sns-title,
  .editorial-title {
    font-size: 24px;
  }

  .sns-follow,
  .sns-account {
    font-size: 12px;
  }

  .sns-qr {
    flex-basis: 110px;
    width: 110px;
  }

  .editorial-image img {
    width: 210px;
  }
}

/* ========================================
   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:
    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 {
  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;
}

.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: #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だけ少し小さく */

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


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

.theme-logo {
  width: 100%;

  display: flex;

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

.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;

  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: 1.2;

  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;
  }

}


/* ========================================
   スマホ
======================================== */

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

  /* ----------------------------
     ホーム4枚画像
  ---------------------------- */

  .home-cards {
    gap: 18px;

    padding:
      50px 0;
  }

  .home-cards > a {
    width: 80%;
  }


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

  .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: 1.3;
  }

  .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;
  }


  /* ----------------------------
     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
      );
  }

}


/* ========================================
   小さいスマホ
======================================== */

@media screen and (max-width: 480px) {

  /* ----------------------------
     ホーム4枚画像
  ---------------------------- */

  .home-cards {
    gap: 14px;

    padding:
      35px 0;
  }

  .home-cards > a {
    width: 80%;
  }


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

  .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;
  }
}