:root {
    --bg: #0b1220; /* 背景ダークネイビー */
    --panel: #0f1b2e; /* パネル */
    --panel2: #12233b; /* 少し明るいパネル */
    --text: #e6eefc; /* 文字 */
    --muted: #a9b7d0; /* 薄い文字 */
    --border: #243a5a; /* 枠線 */
    --link: #8ab4ff; /* リンク */
    --btn: #17325a; /* ボタン背景 */
    --btn-hover: #1d3f72; /* ボタンhover */
}

/* --- footer描画調整 --- */
html, body {
    background: var(--bg);
    color: var(--text);
    height: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
}

    body > .container {
        flex: 1;
    }

/* footer描画調整2 */
main {
    flex: 1;
}

/* footer描画調整3 */
footer.footer {
    position: static !important; /* absolute/fixed を強制的に無効化 */
    width: auto !important;
    line-height: normal !important;
    background: var(--panel); /* 透過防止 */
    border-top: 1px solid var(--border);
    color: #e6eefc;
    padding: 12px 0;
    z-index: 0;
}

    footer.footer a {
        color: var(--link);
    }

a {
    color: var(--link);
}

    a:hover {
        filter: brightness(1.1);
    }

hr {
    border-color: var(--border);
}

input, select, textarea {
    background: var(--panel);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 8px;
}

button, .btn {
    background: var(--btn);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 16px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

    button:hover, .btn:hover {
        background: var(--btn-hover);
    }

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--panel);
}

th, td {
    border: 1px solid var(--border);
    padding: 8px 10px;
}

th {
    background: var(--panel2);
    color: var(--text);
}

tbody tr:hover {
    background: rgba(138, 180, 255, 0.08);
}

/* --- マイページのタブ色 --- */
.tab {
    border: 1px solid var(--border);
    background: var(--panel);
}

    .tab.active {
        border-color: #cfe0ff;
    }

    .tab.c190 {
        background: linear-gradient(90deg, #b388ff, #7dd3fc, #86efac, #fde047, #fb7185);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    .tab.c180 {
        color: #f0c75e;
    }
    /* 金 */
    .tab.c170 {
        color: #d1d5db;
    }
    /* 銀 */
    .tab.c160 {
        color: #d08a55;
    }
    /* 銅 */
    .tab.c150 {
        color: #ff6b6b;
    }
    /* 赤 */
    .tab.c135 {
        color: #66a7ff;
    }
    /* 青 */
    .tab.c120 {
        color: #a3e635;
    }
    /* 黄緑 */
    .tab.c000 {
        color: #ffffff;
    }

/* ===== Layout foundation ===== */
:root {
    --container: 1280px;
    --radius: 12px;
    --shadow: 0 10px 30px rgba(0,0,0,.25);
}

* {
    box-sizing: border-box;
}

.container {
    width: min(var(--container), calc(100% - 32px));
    margin: 0 auto;
}

main.container {
    padding: 24px 0; /* 12pxだと詰まりやすい */
}

h1, h2, h3 {
    line-height: 1.25;
    margin: 0 0 12px;
    letter-spacing: .2px;
}

p {
    color: var(--muted);
    line-height: 1.8;
    margin: 0 0 12px;
}

/* Card */
.card {
    background: linear-gradient(180deg, var(--panel), rgba(15,27,46,.92));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
}

    .card + .card {
        margin-top: 14px;
    }

/* Grid helpers */
.grid {
    display: grid;
    gap: 14px;
    align-items: stretch;
}

    .grid.cols-2 {
        grid-template-columns: repeat(2, minmax(0,1fr));
    }

    .grid.cols-3 {
        grid-template-columns: repeat(3, minmax(0,1fr));
    }

@media (max-width: 860px) {
    .grid.cols-2, .grid.cols-3 {
        grid-template-columns: 1fr;
    }
}

/* Buttons (統一) */
.btn {
    background: var(--btn);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 14px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
}

    .btn:hover {
        background: var(--btn-hover);
    }

    .btn.primary {
        border-color: rgba(138,180,255,.45);
        box-shadow: 0 0 0 3px rgba(138,180,255,.12);
    }

    .btn.ghost {
        background: transparent;
    }

.btn-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Header / Nav */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(11,18,32,.72);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    gap: 14px;
}

.nav-left, .nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.brand {
    font-weight: 800;
    text-decoration: none;
    color: var(--text);
    letter-spacing: .3px;
}

.nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 8px 10px;
    border-radius: 10px;
}

    .nav a:hover {
        color: var(--text);
        background: rgba(138,180,255,.08);
    }

/* Section title */
.section-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}

.small {
    font-size: .92rem;
    color: var(--muted);
}

/* ===== Forms / Filters ===== */
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.field {
    display: grid;
    gap: 6px;
}

    .field label {
        color: var(--muted);
        font-size: .92rem;
    }

fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius, 12px);
    padding: 12px;
    margin: 0;
    background: rgba(18,35,59,.25);
}

legend {
    padding: 0 8px;
    color: var(--text);
    font-weight: 700;
    letter-spacing: .2px;
}

.checkgrid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 8px 10px;
}

    .checkgrid.compact {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    }

.chk {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(15,27,46,.6);
    color: var(--muted);
    user-select: none;
}

    .chk input {
        margin: 0;
    }

    .chk:has(input:checked) {
        color: var(--text);
        border-color: rgba(138,180,255,.45);
        background: rgba(138,180,255,.10);
    }

/* Sort rows */
.sort-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

.sort-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

    .sort-row select {
        min-width: 170px;
    }

/* Table wrapper */
.table-wrap {
    border: 1px solid var(--border);
    border-radius: var(--radius, 12px);
    overflow: hidden;
    background: var(--panel);
}

.table-scroll {
    overflow: auto;
    max-height: 70vh;
    min-width: 1200px;
}

table {
    margin: 0;
}

thead th {
    position: sticky;
    top: 0;
    z-index: 1;
}

/* Small helpers */
.muted {
    color: var(--muted);
}

.right {
    margin-left: auto;
}

.condrow {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

    .condrow .min, .condrow .max {
        width: 110px;
    }
.tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 10px 0;
}

.tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 999px;
    text-decoration: none;
    color: var(--muted);
}

    .tab.active {
        background: rgba(138,180,255,.10);
    }

/* modal always on top */
.hidden {
    display: none !important;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: rgba(0,0,0,.45);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body {
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 12px;
    min-width: 320px;
    border-radius: var(--radius, 12px);
    box-shadow: var(--shadow);
}

.table-scroll table {
    min-width: 980px; /* 列多いページで潰れない */
}

details.filter {
    border: 1px solid var(--border);
    border-radius: var(--radius, 12px);
    background: rgba(18,35,59,.25);
    overflow: hidden;
}

    details.filter > summary {
        list-style: none;
        cursor: pointer;
        padding: 12px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        color: var(--text);
        font-weight: 800;
    }

        details.filter > summary::-webkit-details-marker {
            display: none;
        }

        details.filter > summary::after {
            content: "▾";
            color: var(--muted);
            transition: transform .15s ease;
        }

    details.filter[open] > summary::after {
        transform: rotate(180deg);
    }

    details.filter .content {
        padding: 0 12px 12px;
    }

/* ===== Auth / simple pages ===== */
.page-narrow {
    width: min(520px, 100%);
    margin: 0 auto;
}

.form-card .hint {
    color: var(--muted);
    font-size: .92rem;
    line-height: 1.7;
}

.form-vertical {
    display: grid;
    gap: 12px;
}

.form-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 4px;
}

/* errors / messages */
.error {
    color: #ffb4b4;
    font-size: .92rem;
}

.notice {
    border: 1px solid var(--border);
    background: rgba(138,180,255,.08);
    padding: 10px 12px;
    border-radius: var(--radius, 12px);
}


/* ===== Nav buttons ===== */
.nav a.btnlike {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(15,27,46,.55);
    color: var(--text);
}

    .nav a.btnlike:hover {
        background: rgba(138,180,255,.10);
    }

.nav a.cta {
    background: var(--btn);
    border-color: rgba(138,180,255,.45);
    color: var(--text);
    font-weight: 800;
}

    .nav a.cta:hover {
        background: var(--btn-hover);
    }


/* ===== modal (force) ===== */
#modal.modal {
    position: fixed !important;
    inset: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 99999 !important;
    background: rgba(0,0,0,.45) !important;
}

    #modal.modal.hidden {
        display: none !important;
    }

#modal .modal-body {
    background: var(--panel) !important;
    border: 1px solid var(--border) !important;
    padding: 12px !important;
    min-width: 320px;
    border-radius: var(--radius, 12px);
    box-shadow: var(--shadow);
}


/* カード内の先頭/末尾の余白を揃えて、左右の見え方を一致させる */
.card > :first-child {
    margin-top: 0;
}

.card > :last-child {
    margin-bottom: 0;
}

/* section-title の下余白を固定 */
.section-title {
    margin-bottom: 12px;
}

/* hr の見え方を統一（インラインmarginをやめるのが理想） */
.card hr {
    margin: 12px 0;
    border-color: var(--border);
}

.user-menu {
    position: relative;
    background: var(--panel); /* 透け防止 */
}

    .user-menu .menu {
        position: absolute;
        right: 0;
        top: calc(100% + 8px);
        background: var(--panel); /* 透け防止 */
    }

/* ヘッダの外にはみ出しても見えるように */
.site-header {
    overflow: visible;
}

.song-title {
    margin: 0;
}

    .song-title .sub {
        font-size: .85em;
        font-weight: 400;
        margin-left: 10px;
        color: var(--muted);
    }

.song-meta {
    margin-top: 6px; /* 曲名の一つ下 */
    font-size: 1rem; /* LV/難易度と同程度 */
    line-height: 1.35;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    color: var(--muted);
}

    .song-meta .artist {
        color: var(--text);
        opacity: .92;
    }

    .song-meta .genre {
        color: var(--muted);
    }

    .song-meta .ver {
        color: var(--muted);
    }

.news-list {
    display: grid;
    gap: 10px; /* 行ごとの隙間 */
    margin-top: 10px;
}

.news-row {
    display: grid;
    grid-template-columns: 110px 220px 1fr; /* 日付 / タイトル / 詳細 */
    gap: 12px; /* 項目ごとの隙間（線なしの代わり） */
    align-items: baseline;
    padding: 8px 0; /* 線なしなので少しだけ余白 */
}

.news-date {
    color: var(--muted);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.news-title {
    font-weight: 800;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap; /* タイトルは1行に収める */
}

.news-detail {
    color: var(--muted);
    line-height: 1.6;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap; /* 1行にしたい場合 */
    /* 複数行OKにしたいなら上3行を消して下を有効化 */
    /* white-space: pre-wrap; */
}

@media (max-width: 860px) {
    /* スマホは縦積みにして読みやすく（必要なら） */
    .news-row {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .news-title {
        white-space: normal;
    }

    .news-detail {
        white-space: normal;
    }
    }