*{
margin:0;padding:0;
font-family:  "futura-pt", sans-serif, rodin-light, ms gothic, ヒラギノ角ゴ Pro W3, hiragino kaku gothic pro, osaka, sans-serif;
font-size:14px;
font-weight: 300;
font-style: normal;
}
html,body{
position: relative;
background:#999999;
}
#footer {
    font-size:16px;
}
#footer dt{
    letter-spacing: 1px;
}
#footer dd.line{
        display: block; 
        width: 40px;
        height: 1px;
        margin: 15px auto;
        border-top: 2px dotted #FFF;
}
#footer{
    color: #FFFFFF;
    bottom: 0px;
    padding-bottom:30px;
}
#footer dl{
    text-align: center;
}
a {
    color: #FFF;
    text-decoration: none;
}

#main-nav {
    position: fixed;
}
.main-nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 40px;
}
.main-nav a {
    letter-spacing: 2px;
}
@media screen and (min-width: 769px) {
    #main-nav {
    right: 10%;
    top:30px;
}
}


/* PCではハンバーガーボタンを隠す */
.menu-trigger {
    display: none;
}

/* --- スマートフォン用のスタイル (768px以下) --- */
@media screen and (max-width: 768px) {
    /* ボタンを表示 */
    .menu-trigger {
        display: block;
        position: fixed;
        top: 25px;
        right: 15px;
        z-index: 1000;
        width: 30px;
        height: 20px;
        background: none;
        border: none;
    }
    /* ...（線のデザインなどは前回同様のため省略）... */
    .menu-trigger span { left:0;position: absolute; width: 100%; height: 1px; background: #FFF; transition: 0.4s; }
    .menu-trigger span:nth-child(1) { top: 0; }
    .menu-trigger span:nth-child(2) { bottom: 0; }
    .menu-trigger.active span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
    .menu-trigger.active span:nth-child(2) { transform: translateY(-9px) rotate(-45deg); }

    /* ナビゲーションをフルスクリーンに変更 */
    .main-nav {
        position: fixed;
        top: 0;
        right:60px;
        right:0;
        opacity:0;
        height: calc(100vh + 60px);
        top: -20px; /* 隠す */
        width: 100%;
        margin-top: 0; /* PC用のマージンをリセット */
        display: flex;
        align-items: start;
        justify-content: end;
        transition: 0.5s;
        z-index: 999;
        padding-top:30px;
        background: #999999;
        display: none;

    }

    /* アクティブ時 */
    .main-nav.active {
        top: 0;
              opacity:1;
                display: flex;

    }

    /* リストを縦並びに変更 */
    .main-nav ul {
        margin-right:60px;
        flex-direction: column;
        gap: 25px;
    }

    .main-nav a {
        font-size: 1.2rem;
    }
}