/* =========================
   Floating Navigation
========================= */
.floating-nav{
    position:absolute;
    top:225px;
    right:30px;
    z-index:9999;
}

/* スクロール後 */
.floating-nav.is-fixed{
    position:fixed;
    top:16px;
    right:30px;
}

.floating-nav-toggle{
    width:76px;
    height:76px;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:5px;
    padding:10px;
    border:1px solid #ff3157;
    border-radius:50%;
    background:rgba(5,0,4,.88);
    color:#fff;
    cursor:pointer;
    box-shadow:0 0 8px #ff1744, inset 0 0 10px rgba(255,0,60,.15);
    transition:box-shadow .3s, transform .3s;
}

.floating-nav-toggle:hover{
    box-shadow:0 0 18px #ff1744, 0 0 35px rgba(255,0,60,.45);
    transform:scale(1.05);
}

.nav-icon{
    display:flex;
    flex-direction:column;
    gap:6px;
    width:28px;
}

.nav-icon span{
    display:block;
    width:100%;
    height:2px;
    background:#fff;
    box-shadow:0 0 5px #ff3157;
}

.nav-menu-label{
    font-size:10px;
    letter-spacing:.12em;
}

/* メニュー背景 */
.floating-nav-panel{
    position:fixed;
    top:0;
    right:0;
    width:min(380px, 88vw);
    height:100vh;
    height:100dvh;
    padding:85px 35px 30px;
    box-sizing:border-box;
    overflow-y:auto;
    background:rgba(5,0,4,.97);
    border-left:1px solid rgba(255,49,87,.8);
    box-shadow:-8px 0 30px rgba(255,0,60,.18);
    transform:translateX(105%);
    visibility:hidden;
    transition:transform .35s ease, visibility .35s;
}

.floating-nav-panel.is-open{
    transform:translateX(0);
    visibility:visible;
}

.floating-nav-close{
    position:absolute;
    top:18px;
    right:24px;
    border:0;
    background:none;
    color:#fff;
    font-size:38px;
    font-weight:300;
    cursor:pointer;
    line-height:1;
}

.floating-nav-panel ul{
    list-style:none;
    margin:0;
    padding:0;
}

.floating-nav-panel li{
    border-bottom:1px solid rgba(255,255,255,.15);
}

.floating-nav-panel a{
    display:flex;
    flex-direction:column;
    gap:5px;
    padding:17px 10px 17px 20px;
    position:relative;
    color:#fff;
    text-decoration:none;
    transition:background .3s, padding-left .3s;
}

.floating-nav-panel a::before{
    content:"";
    position:absolute;
    left:0;
    top:18px;
    bottom:18px;
    width:3px;
    background:#ff3157;
    box-shadow:0 0 8px #ff1744;
}

.floating-nav-panel a:hover{
    background:rgba(255,0,60,.12);
    padding-left:28px;
}

.floating-nav-panel a span{
    font-family:Georgia,serif;
    font-size:21px;
    letter-spacing:.04em;
}

.floating-nav-panel a small{
    font-size:12px;
    color:#e9a7b8;
}

/* メニュー表示中 */
body.nav-open{
    overflow:hidden;
}

/* SP */
@media screen and (max-width:767px){
    .floating-nav{
        top:70px;
        right:15px;
    }

    .floating-nav.is-fixed{
        top:12px;
        right:15px;
    }

    .floating-nav-toggle{
        width:60px;
        height:60px;
    }

    .nav-icon{
        width:23px;
        gap:5px;
    }

    .floating-nav-panel{
        width:min(360px, 88vw);
        padding:75px 24px 25px;
    }

    .floating-nav-panel a{
        padding-top:13px;
        padding-bottom:13px;
    }
}