/*基準を1rem=10pxに設定*/
    html {
        font-size: 62.5%;
    }

    /*最小値:1.1rem → 可変（0.9rem + 0.625vw（画面幅320px:2px, 800px:5px, 1200px:7.5px））→ 最大値:1.6rem*/
    .font-size-S {
        font-size: clamp(1.1rem, calc(0.9rem + 0.625vw), 1.6rem);
    }

    /*最小値:1.2rem → 可変（1rem + 0.625vw（画面幅320px:2px, 800px:5px, 1200px:7.5px））→ 最大値:1.7rem*/
    .font-size-M {
        font-size: clamp(1.2rem, calc(1rem + 0.625vw), 1.7rem);
    }

    .font-size-Link{
        /* font-size: clamp(0.625rem, -4.2045rem + 24.1477vw, 11.25rem); */
        font-size:clamp(0.625rem, -0.511rem + 5.68vw, 3.125rem);
        /* font-size: 30px; */
    }

    /*最小値:1.6rem → 可変（2.2rem + 0.625vw（画面幅320px:2px, 800px:5px, 1200px:7.5px））→ 最大値:2.9rem*/
    .font-size-L {
        font-size: clamp(2.4rem, calc(2.2rem + 0.625vw), 2.9rem);
    }

    body {
        margin: 0px;
        padding: 0;
        height: 100%;
    }

    p {
        font-weight: bold;
    }

    #container {
        display: flex;
        height: 100vh;
        overflow: hidden;
    }

    #menu {
        background-color: #3EA6A7;
        width: 20%;
        height: 100%;
        margin-bottom: 0px;
        border: 8px;
        border-color: #7A7B7B;
        border-style: none solid none none;
    }

    .menu-button {
        background-color: #3EA6A7;
        color: white;
        border: #3EA6A7;
        width: 100%;
        height: auto;
        padding-top: 5vw;
        padding-bottom: 5vw;
        font-size: 4.8vw;
    }

    .menu-button-text {
        text-decoration: none;
        color: white;
    }

    .menu-linkList {
        display: block;
        text-align: center;
    }

    .menu-linkList-ul {
        padding-left: 0;
        list-style: none;
        display: inline-block;
    }

    .menu-link {
        display: block;
        text-align: left;
        width: 100%;
        padding-bottom: 2vw;
        margin-left: auto;
        margin-right: auto;
        color: white;
    }

    #sponsor {
        position: relative;
        height: 100%;
        width: 80%;
        background-image: url(..//picture/webp/蒼翔祭ロゴ_333399.webp);
        background-size: 10vw;
        background-blend-mode: lighten;
        overflow-y: scroll;
        /* スクロールバーの消去 */
        -ms-overflow-style: none;
        scrollbar-width: none;
    }

    #sponsor::-webkit-scrollbar {
        /* スクロールバーの消去 */
        display: none;
    }

    #sponsor-effect {
        position: relative;
        width: 100%;
        height: 100%;
        background-color: rgba(255, 255, 255, 0.85);
        z-index: 1;
        overflow: auto;
    }

    .sponsor-title-text {
        text-align: center;
        padding-top: 2vw;
        padding-bottom: 3vw;
    }

    .sponsor-panel-container {
        width: 70%;
        margin: max(8vw, 10vh) auto;
    }

    .sponsor-panel-supplement {
        text-align: center;
    }

    .sponsor-panel {
        margin: auto;
        display: block;
    }

    .sponsor-panel-list {
        display: grid;
        padding-bottom: 5vw;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .sponsor-panel-text {
        background: white;
        padding: 15px;
        text-align: center;
        overflow: hidden;
        margin: 2px;
        border-style: double;
        place-content: center;
    }