.panel {
    font-family: 'Source Sans Pro';
    font-size: 1.3em;
    position: absolute;
    z-index: 10;
    width: 80%;
    height: 120px;
    background: #eee;
    top: 10px; /* 上部に 10px の余白 */
    right: 10px; /* 右寄せにするために right を追加 */
    padding: 20px;
    border-radius: 20px; /* 角を丸める */
    box-sizing: border-box;
    z-index: 100;
}

.panel2 {
    font-family: 'Source Sans Pro';
    font-size: 1.3em;
    position: absolute;
    z-index: 10;
    width: 80%;
    height: 120px;
    background: #eee;
    top: 10px; /* 上部に 10px の余白 */
    right: 10px; /* 右寄せにするために right を追加 */
    padding: 20px;
    border-radius: 20px; /* 角を丸める */
    box-sizing: border-box;
    z-index: 100;
}

canvas {
    /* ---- display: block;  ---- */
    /* ---- vertical-align: bottom;  ---- */
    position: absolute;
    top: 0;
    bottom: 0;
}


h1 {
    font-size: 1.8em;
    font-weight: 700;
    text-align: center;
    margin-bottom:10px;
    color: #222;
    margin-top: -4px;
}


.ui_Logo {
    text-align: center;
    width: 80%;
    margin: 0 auto;
    max-width: 500px;
}

p {
    text-align: center;
    font-size: 20px;
}



/* =============================================================================
   ここから　パーティクル用のCSS　　HTML5 CSS Reset Minified - Eric Meyer
   ========================================================================== */

/* ---- reset ---- */

body {
    margin: 0;
    font: normal 75% Arial, Helvetica, sans-serif;
}


/* ---- particles.js container ---- */

.particles-js {
    position: absolute;
    width: 100%;
    height: 100vh; /* 100% */
    background-color: #1849b6;
    background-image: url("");
    background-repeat: no-repeat;
    /* ---- background-repeat: no-repeat; ---- */
    background-size: cover;
    background-position: 50% 50%;
}


.particles-js2 {
    position: absolute;
    width: 100%;
    height: 100vh; /* 100% */
    background-color: #1849b6;
    background-image: url("");
    background-repeat: no-repeat;
    /* ---- background-repeat: no-repeat; ---- */
    background-size: cover;
    background-position: 50% 50%;
}
/* =============================================================================
   ここから　menyu-  ダウンロード
   ========================================================================== */

.menu-button {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: #F05711;
    color: #fff;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    z-index: 1000;
}

    .menu-button:hover {
        background-color: #D34A0E;
    }
.menu-list {
    font-family: 'Arial', 'Helvetica', sans-serif; /* ChatGPTのフォントと同様のSans-serif系のフォント */
    font-size: 16px; /* フォントサイズを16pxに設定 */
    line-height: 1.6; /* 行の高さを1.6に設定 */

    display: none;
    position: fixed;
    top: 60px;
    right: 20px;
    background-color: #F05711;
    color: #fff;
    padding: 10px;
    border-radius: 5px;
    z-index: 1000;
}

    .menu-list a {
        display: block;
        color: #F05711;
        text-decoration: none;
        font-size: 14px;
        margin-bottom: 5px;
        text-decoration: none; /* リンクの下線を非表示に設定 */
    }

        .menu-list a:hover {
            text-decoration: underline;
        }