@charset "UTF-8";

*,
::before,
::after {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

#loader-wrapper{position: fixed; top: 0; right: 0; bottom: 0; left: 0; width: 100vw; height: 100vh; background: #000; z-index: 9999; overflow: hidden;}

.loader{width: 150px; height: 150px; border: 1px #fff solid; position: absolute; left: 50%; top: 50%; margin: -75px 0 0 -75px; border-radius: 50%;}

.loader .loading{font-size: 10px; position: absolute; width: 100%; text-align: center; line-height: 14px; font-family: 'Century Gothic', sans-serif; font-style: italic; left: 0; top: 50%; margin-top: 20px; color: #fff; font-weight: bold; text-transform: uppercase;}

.loader-circle-1{width: 138px; height: 138px; left: 5px; top: 5px; border: 1px #fff solid; border-radius: 50%; position: absolute; border-right-color: transparent;
-webkit-animation: spin 3s linear infinite;
        animation: spin 3s linear infinite;
}

.loader-circle-2{width: 126px; height: 126px; left: 5px; top: 5px; border: 1px transparent solid; border-radius: 50%; position: absolute; border-right-color: #e81512;
-webkit-animation: spin 5s linear infinite;
        animation: spin 5s linear infinite;
}

.loader .line{width: 10px; height: 2px; background: #fff; position: absolute;}

.loader .line:nth-child(1){left: 16px; top: 50%; margin-top: -1px;}

.loader .line:nth-child(2){transform: rotate(45deg); -moz-transform: rotate(45deg); -webkit-transform: rotate(45deg); -ms-transform: rotate(45deg); left: 33px; top: 33px;}

.loader .line:nth-child(3){top: 16px; left: 50%; width: 2px; height: 10px;}

.loader .line:nth-child(4){transform: rotate(135deg); -moz-transform: rotate(135deg); -webkit-transform: rotate(135deg); -ms-transform: rotate(135deg); right: 33px; top: 33px;}

.loader .line:nth-child(5){right: 16px; top: 50%; margin-top: -1px;}

.loader .line:nth-child(6){transform: rotate(45deg); -moz-transform: rotate(45deg); -webkit-transform: rotate(45deg); -ms-transform: rotate(45deg); right: 33px; bottom: 33px; background: #e81512;}

.loader .subline{position: absolute; width: 3px; height: 2px; background: #fff;}

.loader .subline:nth-child(7){transform: rotate(22.5deg); -moz-transform: rotate(22.5deg); -webkit-transform: rotate(22.5deg); -ms-transform: rotate(22.5deg); left: 21px; top: 50px;}

.loader .subline:nth-child(8){transform: rotate(67.5deg); -moz-transform: rotate(67.5deg); -webkit-transform: rotate(67.5deg); -ms-transform: rotate(67.5deg); left: 50px; top: 21px;}

.loader .subline:nth-child(9){transform: rotate(112.5deg); -moz-transform: rotate(112.5deg); -webkit-transform: rotate(112.5deg); -ms-transform: rotate(112.5deg); right: 50px; top: 21px;}

.loader .subline:nth-child(10){transform: rotate(157.5deg); -moz-transform: rotate(157.5deg); -webkit-transform: rotate(157.5deg); -ms-transform: rotate(157.5deg); right: 21px; top: 50px;}

.loader .subline:nth-child(11){transform: rotate(22.5deg); -moz-transform: rotate(22.5deg); -webkit-transform: rotate(22.5deg); -ms-transform: rotate(22.5deg); right: 20px; bottom: 49px; background: #e81512;}

.loader .needle{width: 14px; height: 14px; border-radius: 50%; border: 1px #fff solid; position: absolute; left: 50%; top: 50%; margin: -8px 0 0 -8px;  z-index: 1;  
-webkit-animation: pegIt 3s infinite ease-in-out;
        animation: pegIt 3s infinite ease-in-out;
}

.loader .needle:before{content: ""; width: 0; height: 0; border-style: solid; border-width: 3.5px 50px 3.5px 0; border-color: transparent #e81512 transparent transparent; position: absolute; right: 50%; top: 50%; margin: -3.5px 0 0 0; border-radius: 0 50% 50% 0;}

@keyframes pegIt {
  0% {transform: rotate(0deg);}
  16% {transform: rotate(75deg);}
  25% {transform: rotate(55deg);}
  30% {transform: rotate(90deg);}
  36% {transform: rotate(170deg);}
  42% {transform: rotate(150deg);}
  50% {transform: rotate(227deg);}
  100% {transform: rotate(0deg);}
}

@-webkit-keyframes pegIt {
  0% {-webkit-transform: rotate(0deg);}
  16% {-webkit-transform: rotate(75deg);}
  25% {-webkit-transform: rotate(55deg);}
  30% {-webkit-transform: rotate(90deg);}
  36% {-webkit-transform: rotate(170deg);}
  42% {-webkit-transform: rotate(150deg);}
  50% {-webkit-transform: rotate(227deg);}
  100% {-webkit-transform: rotate(0deg);}
}

@-webkit-keyframes spin {
  0% {-webkit-transform: rotate(0deg);}
  100% {-webkit-transform: rotate(360deg);}
}
@keyframes spin {
  0% {transform: rotate(0deg);}
  100% {transform: rotate(360deg);}
  }

  /* スクロールを禁止するクラス */
.no-scroll {
    overflow: hidden;
    position: fixed;  /* 追加：スクロールを完全に禁止 */
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}






/* 共通コンテナの幅調整（必要に応じて） */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* セクションタイトル共通 */
.section-title {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 10px;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #333; /* アクセントカラーに合わせて変更してください */
}

/* ロゴ紹介セクション */
.logo-introduction {
    padding: 60px 0;
}

.logo-flex-container {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap; /* スマホで縦に並ぶように */
}

.logo-large {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.logo-large img {
    max-width: 100%;
    height: auto;
    /* ロゴをより目立たせるための装飾（お好みで） */
    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.1));
}

.logo-comment {
    flex: 1;
    min-width: 300px;
}

.logo-comment h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #333;
}

.logo-comment p {
    line-height: 1.8;
    color: #555;
}

.designer-name {
    margin-top: 20px;
    font-weight: bold;
    text-align: right;
}

/* YouTubeセクション */
.themesong-section {
    padding: 60px 0;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 の比率 */
    height: 0;
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    border-radius: 8px;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.themesong-comment {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    padding: 0 10px;
    color: #555;
}



/* スマホ用調整 */
@media (max-width: 768px) {
    .logo-flex-container {
        flex-direction: column;
        gap: 20px;
    }
    
    .logo-comment {
        text-align: center;
    }
}



/* --- クイックアクセスナビ（ボタン要素） --- */
.quick-nav {
    max-width: 1000px;
    margin: 0 auto 80px; /* 下に余白を持たせる */
    padding: 0 20px;
}

.nav-grid {
    display: grid;
    /* 画面幅に合わせて自動で列数を調整（最低200px） */
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.nav-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background-color: #021d46; /* テーマカラーの紺 */
    color: #ffffff;
    border-radius: 12px;
    transition: transform 0.3s ease, background-color 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* ホバー時に少し浮き上がり、色を明るくする */
.nav-button:hover {
    transform: translateY(-8px);
    background-color: #0a3d8a;
    color: #ffffff; /* 親要素がaタグなので念のため指定 */
}

.nav-button-icon {
    font-size: 40px;
    margin-bottom: 15px;
    /* アイコン（絵文字）の影 */
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.nav-button-text {
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 0.05em;
    padding: 30px 10px 30px 10px;
    color: black;
}

.nav-button {
    clip-path: inset(30px  round 10px);
    background: linear-gradient(to right,#ffffff 0%,#1b76ff 100%);
}

/* --- スマホ表示（既存のメディアクエリに追加・修正） --- */
@media (max-width: 768px) {
    .quick-nav {
        margin-bottom: 50px;
    }

    .nav-grid {
        /* スマホでは2列固定にする */
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }

    .nav-button {
        padding: 30px 10px;
        flex-direction: column; /* 縦並びを維持 */
        justify-content: center;
        clip-path: inset(30px round 10px); /* 角丸を維持 */
    }

    .nav-button-text {
        padding: 30px 10px 30px 10px;
        color: black;
    }




 





}



/* SNSセクション */
.sns-section {
    padding: 60px 0;
    background-color: #fff;
}

.sns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.sns-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    border-radius: 15px;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: #fff;
    font-weight: bold;
}

.sns-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

/* 各SNSのブランドカラー */
.sns-card.instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.sns-card.x-twitter {
    background-color: #000; /* Xのブランドカラー */
}

.sns-card.school-hp {
    background-color: #0054a6; /* 学校のイメージカラーに合わせて調整してください */
}

.sns-icon {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.sns-name {
    font-size: 0.9rem;
    opacity: 0.9;
}


/* --- メインビジュアル（兎原祭タイトルエリア） --- */
.main-visual {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 120px 20px;
    background: linear-gradient(135deg, #021d46 0%, #0a3d8a 100%);
    color: #fff;
    text-align: center;
}

.main-visual-title {
    font-size: 48px;
    letter-spacing: 0.1em;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.main-visual-subtitle {
    font-size: 24px;
    font-weight: bold;
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    padding: 10px 30px;
}

/* --- ニュースセクション（お知らせ一覧） --- */
.news-section {
    max-width: 1000px;
    margin: 60px auto;
    padding: 0 20px;
}

.section-title {
    font-size: 32px;
    color: #021d46;
    margin-bottom: 40px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: #e81512; /* ローダーの赤と統一 */
}

.news-list {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.news-item {
    border-bottom: 1px solid #eee;
}

.news-item:last-child {
    border-bottom: none;
}

.news-item a {
    display: flex;
    align-items: center;
    padding: 20px 25px;
    transition: background 0.3s ease;
}

.news-item a:hover {
    background-color: #f0f5ff;
}

.news-date {
    font-size: 16px;
    color: #666;
    width: 130px;
    flex-shrink: 0;
}

.news-category {
    font-size: 13px;
    font-weight: bold;
    padding: 3px 12px;
    background: #ccc;
    color: #fff;
    border-radius: 4px;
    margin-right: 20px;
    min-width: 70px;
    text-align: center;
}

/* 重要ラベルの赤 */
.news-category.label-important {
    background-color: #e81512;
}

.news-title {
    flex: 1;
    font-size: 18px;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.more-button-wrapper {
    text-align: center;
    margin-top: 30px;
}

.btn-text {
    font-size: 16px;
    font-weight: bold;
    color: #021d46;
    text-decoration: underline;
    transition: color 0.3s;
}

.btn-text:hover {
    color: #e81512;
}

/* --- メインコンテンツ（紹介テキスト） --- */
.main-content {
    max-width: 850px;
    margin: 80px auto;
    text-align: center;
    padding: 0 20px;
}

.main-content-title {
    font-size: 36px;
    color: #021d46;
    margin-bottom: 25px;
}

.main-content-text {
    font-size: 20px;
    line-height: 1.8;
    color: #444;
}

/* --- スマホ表示の微調整（既存の @media (max-width: 768px) 内に追記） --- */
@media (max-width: 768px) {
    body {
        font-size: 16px; /* スマホでは標準的なサイズに下げる */
    }
    .main-visual {
        padding: 80px 20px;
    }
    .main-visual-title {
        font-size: 28px; /* タイトルを少し小さくして1行に収める */
    }
    .main-visual-subtitle {
        font-size: 18px;
    }
    .news-item a {
        flex-direction: column;
        align-items: flex-start;
        padding: 15px;
    }
    .news-date, .news-category {
        margin-bottom: 8px;
    }
    .news-title {
        white-space: normal;
        font-size: 16px;
    }
    .main-content-title {
        font-size: 28px;
    }
}

/* --- 極小スマホ表示（480px以下） --- */
@media (max-width: 480px) {
    /* ナビゲーション：1列に変更 */
    .nav-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .nav-button {
        flex-direction: row; /* 横並びに変更 */
        justify-content: flex-start;
        padding: 20px 30px;
        clip-path: none; /* 角丸解除 */
        border-radius: 12px;
    }
    .nav-button-text {
        font-size: 18px;
        padding: 0;
        color: #021d46;
    }
}