/* =========================================
       Base Variables & Reset
       ========================================= */
    :root {
        --primary-color: #2f8f78; /* メイングリーン */
        --primary-dark: #206a59;
        --accent-color: #e6005c; /* ボタンのピンク */
        --text-color: #333;
        --text-light: #666;
        --bg-light: #f4fcf9; /* 薄いグリーン背景 */
        --white: #fff;
        --shadow: 0 4px 15px rgba(0,0,0,0.08);
        --radius: 8px;
            --text-color-01: #009d85;
    --text-color-02: #a3d6ca;
    --text-color-03: #e2eec5;
    --text-color-04: #e0f0e2;
    --bg-color-01: #009d85;
    --bg-color-02: #a3d6ca;
    --bg-color-03: #e2eec5;
    --bg-color-04: #e0f0e2;
    }

 
    /* =========================================
       Utilities & Layout
       ========================================= */
    /* コンテンツ幅を制限するクラス */
    .container {
        width: 100%;
        max-width: 1000px;
        margin: 0 auto;
        padding: 0 20px;
        position: relative; /* 必要に応じて配置の基準に */
    }

    /* セクション共通（余白をたっぷりとる） */
    .section-wrap {
        width: 100%;
        padding: 80px 0;
    }
    
    .ttl01 {
  background-color: #009d85;
  color: #fff;
  padding: 0.5em;
  border-radius: 50px;
  text-align: center;
  width: 100%;
  margin-bottom: 50px;
  font-size: 36px;
  line-height: 1;
}

/* header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: #fff;
  border-bottom: 5px solid var(--text-color-01);
}

.header-in .logo-box {
  max-width: 180px;
}

.header-in .logo-box a {
  display: block;
  width: 100%;
  height: 100%;
}

.header-in .nav-box {
  max-width: 60%;
  -webkit-box-flex: 1;
  -ms-flex-positive: 1;
  flex-grow: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  gap: 20px;
}

.list-link li a {
  background-color: var(--bg-color-01);
  color: #fff;
  border-radius: 5px;
  padding: 0.25em 1em;
  display: block;
  width: 100%;
  height: 100%;
  font-size: 18px;
}

.list-nav a{
  font-size: 18px;
}

@media(max-width:599px) {
  .header-in .logo-box {
    height: 50px;
    width: -webkit-fit-content;
    width: -moz-fit-content;
    width: fit-content;
  }

  .header-in .logo-box img {
    height: 100%;
    width: auto;
  }

  .header-in .nav-box {
    max-width: 100%;
  }

    .list-link {
        position: fixed;
        bottom: 0;
        left: 37%;
        right: 50%;
        width: 100%;
        transform: translate(0%, 1px);
    }

  .list-link li a {
    padding: 0.5em 0.9em;
    font-size: 15px;
    line-height: 2;
    border-radius: 5px 5px 0 0;
  }

  .list-nav li a {
    font-size: 14px;
  }
}
    
    /* 背景色付きセクション */
    .bg-green {
        background-color: var(--bg-light);
    }
    
    .bg-white {
        background-color: #fff;
    }

    /* 見出しデザイン */
    .section-title {
        text-align: center;
        font-size: 26px;
        font-weight: bold;
        margin-bottom: 50px;
        color: var(--white);
        background-color: var(--primary-color);
        padding: 15px 0;
        border-radius: 4px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        width: 100%;
        max-width: 800px; /* 見出しの幅を少し抑える */
        margin-left: auto;
        margin-right: auto;
    }
    
    /* PC/SP 表示切り替え用クラス */
    .pc-only { display: block; }
    .sp-only { display: none; }

    /* =========================================
       1. Main Visual Area
       ========================================= */
    .main-visual-area {
        width: 100%;
        height: 350px; /* 必要に応じて変更 */
        background-color: #eee;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #555;
        text-align: center;
        font-weight: bold;
        font-size: 1.2rem;
        position: relative;
    }
    
    /* メインビジュアル下の装飾（波線や境界線などを入れたい場合はここ） */
    .main-visual-area::after {
        content: "";
        display: block;
        width: 100%;
        height: 5px;
        background: var(--primary-color);
        position: absolute;
        bottom: 0;
        left: 0;
    }

    /* =========================================
       2. ARCUSについて Section
       ========================================= */
    .about-lead {
        text-align: center;
        margin-bottom: 60px;
    }

    .about-catchphrase {
        font-size: 28px; /* サイズアップ */
        font-weight: bold;
        color: var(--primary-color);
        margin-bottom: 24px;
        letter-spacing: 0.05em;
    }

    .about-description {
        font-size: 16px;
        line-height: 2;
        color: var(--text-color);
    }

    .about-features {
        display: flex;
        justify-content: center;
        gap: 40px; /* カード間の隙間を広げる */
    }

    .feature-card {
        background: var(--white);
        border-radius: var(--radius);
        padding: 30px 30px 40px 30px;
        width: 48%;
        box-shadow: var(--shadow); /* 影を少し強めに */
        transition: transform 0.3s ease;
        border-top: 5px solid var(--primary-color); /* 上線に変更 */
    }

    .feature-card:hover {
        transform: translateY(-8px);
    }

    .feature-header {
        margin-bottom: 25px;
        text-align: center;
    }

    .point-badge {
        display: inline-block;
        background-color: var(--primary-color);
        color: var(--white);
        font-size: 13px;
        font-weight: bold;
        padding: 6px 18px;
        border-radius: 50px;
        margin-bottom: 15px;
        letter-spacing: 0.1em;
    }

    .feature-heading {
        font-size: 22px;
        font-weight: bold;
        color: var(--text-color);
    }

    .feature-text {
        font-size: 15px;
        color: var(--text-light);
        text-align: center;
    }

    /* =========================================
       3. Classrooms Section
       ========================================= */
    .classroom-grid {
        display: flex;
        justify-content: space-between;
        gap: 40px;
    }

    .classroom-card {
        width: 48%;
        background: var(--white);
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        border: 1px solid #f0f0f0;
        display: flex;
        flex-direction: column;
        transition: transform 0.3s;
    }

    .classroom-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    }

    .classroom-img {
        width: 100%;
        height: 240px;
        background-color: #ccc;
        object-fit: cover;
    }
    
    .classroom-content {
        padding: 30px;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
    }

    .classroom-name {
        text-align: center;
        font-size: 22px;
        font-weight: bold;
        margin-bottom: 20px;
        color: var(--primary-color);
        position: relative;
        padding-bottom: 15px;
    }
    
    /* 教室名の下線装飾 */
    .classroom-name::after {
        content: "";
        display: block;
        width: 40px;
        height: 3px;
        background: #ddd;
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
    }

    .classroom-info {
        font-size: 14px;
        margin-bottom: 30px;
        color: var(--text-color);
        line-height: 1.8;
        flex-grow: 1;
    }
    
    .classroom-info p {
        margin-bottom: 10px;
        border-bottom: 1px dotted #eee; /* 薄い区切り線 */
        padding-bottom: 10px;
    }
    
    .classroom-info p:last-child {
        border-bottom: none;
    }
    
    .info-label {
        font-weight: bold;
        color: var(--primary-dark);
        margin-right: 5px;
        display: inline-block;
        min-width: 80px; /* ラベル幅を揃える */
    }

    /* 詳細ボタン */
    .btn-detail {
        display: block;
        width: 100%;
        padding: 16px;
        text-align: center;
        background-color: var(--accent-color);
        color: var(--white);
        text-decoration: none;
        font-weight: bold;
        border-radius: 50px;
        box-shadow: 0 4px 6px rgba(230, 0, 92, 0.2);
        transition: all 0.3s;
        margin-top: auto;
    }
    
    .btn-detail:hover {
        background-color: #fff;
        color: #c2004d;
        transform: translateY(-2px);
        box-shadow: 0 6px 12px rgba(230, 0, 92, 0.3);
        border: 1px solid #c2004d;
        font-weight: bold;
    }
    
    .btn-detail::after {
        content: "▶";
        font-size: 0.8em;
        margin-left: 10px;
    }

    /* =========================================
       4. Footer List Section
       ========================================= */
    .footer-list-wrap {
        background-color: #eaf4f2; /* 薄いグリーン背景 */
        padding: 60px 0;
        border-top: 1px solid #daebe8;
    }
    
    .other-classrooms-title {
        text-align: center;
        color: var(--primary-color);
        font-weight: bold;
        font-size: 20px;
        margin-bottom: 40px;
        letter-spacing: 0.1em;
    }

    .other-list {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .other-item {
        background: #fff;
        padding: 20px;
        border-radius: 6px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        font-size: 13px;
        transition: background-color 0.3s;
    }
    
    .other-item:hover {
        background-color: #fffcfc;
    }

    .other-item h4 {
        margin-bottom: 12px;
        font-size: 15px;
        color: var(--primary-color);
        border-left: 4px solid var(--primary-color);
        padding-left: 12px;
        line-height: 1;
    }
    
    .other-item p {
        margin-bottom: 6px;
        color: var(--text-light);
        line-height: 1.5;
    }

    /* =========================================
       MEDIA QUERIES
       ========================================= */

    /* --- 1024px以下 (Tablet / Small PC) --- */
    @media (max-width: 1024px) {
        .container {
            max-width: 100%;
            padding: 0 30px;
        }
        
        .classroom-img {
            height: 200px;
        }

        .other-list {
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
    }

    /* --- 599px以下 (Mobile / Smartphone) --- */
    @media (max-width: 599px) {
        .pc-only { display: none; }
        .sp-only { display: block; }

        .section-wrap {
            padding: 50px 0; /* スマホは少し詰め気味に */
        }

        .section-title {
            font-size: 20px;
            margin-bottom: 30px;
            width: 100%;
        }

        .main-visual-area {
            height: 200px;
            font-size: 1rem;
        }

        /* ARCUSについて */
        .about-catchphrase {
            font-size: 20px;
        }

        .about-features {
            flex-direction: column;
            gap: 25px;
        }

        .feature-card {
            width: 100%;
            padding: 25px 20px;
        }
        
        /* 教室カード */
        .classroom-grid {
            flex-direction: column;
            gap: 40px;
        }

        .classroom-card {
            width: 100%;
        }
        
        .classroom-content {
            padding: 20px;
        }

        /* 教室一覧リスト */
        .other-list {
            grid-template-columns: 1fr;
            gap: 15px;
        }
    }
    
@media screen and (max-width:1024px) {
 .ttl01 {
    font-size: 28px;
  }
}   

    
@media screen and (max-width:599px) {
  .ttl01 {
    margin-bottom: 20px;
    font-size: 22px;
    line-height: 1.5;
  }
}  

/* 2025/12/10 */

@media screen and (max-width:599px) {
.mv-section{
  margin-top: 145px;
}  
}

@media screen and (min-width:600px) {
.mv-section{
  margin-top: 130px;
} 
}