/* ============================= */
/* 通常のスタイル */
/* ============================= */

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

body {
    margin: 0;
    overflow-y: auto; /* スワイプ更新を考慮 */
    background-color: #0b0b30;
    color: #ab9c6f;
    text-align: center;
    font-size: 10px;
    font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Meiryo", "Noto Sans JP", Arial, Helvetica, sans-serif;
}

#starCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 150px;
    z-index: -100;
    pointer-events: none;
}

#gradientOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 150px;
    background: linear-gradient(to bottom, #0b0b30 0%, rgba(11, 11, 48, 0) 40%);
    z-index: 10;
}

/* ============================= */
/* コンテンツスタイル */
/* ============================= */

.content {
    margin: 170px auto;
    padding: 20px;
    width: 80%;
    max-width: 600px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
}

.top-image {
    margin: 0;
    width: 200px;
    height: auto;
    border: 1px solid #ab9c6f;
    border-radius: 5px;
}

/* ============================= */
/* ナビゲーションスタイル */
/* ============================= */

nav ul {
    margin: 20px;
    list-style: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

nav li {
    margin: 2px;
}

nav a {
    color: #ab9c6f;
    text-decoration: none;
    font-weight: bold;
    font-size: 25px;
}

/* ============================= */
/* フッタースタイル */
/* ============================= */

footer {
    margin-top: 100px;
}