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.hub98-breadcrumb{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin:26px 0 24px;color:#718097;font-size:12px}.hub98-breadcrumb a:hover{text-decoration:underline}
.hub98-title{display:flex;align-items:center;gap:23px;margin:0 0 32px}.hub98-title h1{margin:0;font-size:clamp(25px,3vw,36px);font-weight:800;line-height:1.5;letter-spacing:.025em}.hub98-title p{margin:6px 0 0;color:#76859a;font-size:13px}.hub98-console{width:88px;height:88px;object-fit:contain;image-rendering:pixelated;background:#f9ede7;border:1px solid #efdfd7;border-radius:22px;padding:9px;flex:none}.hub98-music-art{display:grid;place-items:center;width:88px;height:88px;flex:none;background:#edeaf8;color:#7965a7;border:1px solid #e0ddef;border-radius:22px;font-size:49px}
.hub98-index{padding:22px 28px;background:white;border:1px solid #e2e8f0;border-radius:25px;margin-bottom:36px;box-shadow:0 12px 35px #29385104}
.hub98-kana-row{display:grid;grid-template-columns:58px minmax(0,1fr);align-items:center;gap:18px;padding:12px 0}.hub98-kana-row+.hub98-kana-row{border-top:1px solid #edf0f5}.hub98-kana-row>h2{font-size:13px;color:#7b889b;font-weight:600;margin:0}.hub98-kana-cells{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.hub98-kana-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:91px;gap:2px;background:#f5f8fc;border:1px solid #dce6f1;border-radius:15px;transition:background .16s,transform .16s,border-color .16s}.hub98-kana-cell b{font-size:28px;line-height:1.5;font-weight:700}.hub98-kana-cell[href]:hover{background:#eaf1fa;border-color:#9fb8d5;transform:translateY(-2px)}.hub98-kana-cell[aria-current=page]{background:#2e4667;border-color:#2e4667;color:#fff}
.hub98-letter-nav{display:flex;align-items:center;gap:10px;margin:-10px 0 15px}.hub98-letter-nav a,.hub98-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 19px;border:1px solid #d9e3ef;border-radius:11px;background:#fff;font-size:13px;font-weight:700}.hub98-letter-nav a:hover,.hub98-button:hover{background:#eaf1f9}
.hub98-other-letters{border:1px solid #dfe7f0;background:#fff;border-radius:15px;padding:12px 18px;margin-bottom:28px}.hub98-other-letters>summary{cursor:pointer;font-size:13px;color:#697e9a;min-height:22px}.hub98-other-letters[open]>summary{margin-bottom:10px}.hub98-kana--compact .hub98-kana-cell{min-height:62px}.hub98-kana--compact .hub98-kana-cell b{font-size:21px}.hub98-kana--compact .hub98-kana-row{padding:8px 0}
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.hub98-game-collection{margin-bottom:45px}.hub98-game-collection>h2{display:flex;align-items:baseline;gap:15px;margin:0 0 20px;font-size:22px}.hub98-game-collection>h2>span{font-size:11px;font-weight:500;color:#8998ab;white-space:nowrap}.hub98-game-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.hub98-game-card{display:flex;flex-direction:column;min-width:0;background:#fff;border:1px solid #e1e7ef;border-radius:21px;overflow:hidden;box-shadow:0 6px 22px #29385104;transition:transform .16s,box-shadow .16s}.hub98-game-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px #29385110}.hub98-game-cover{background:#eef1f6;aspect-ratio:3/2;overflow:hidden}.hub98-game-cover img{width:100%;height:100%;object-fit:contain}.hub98-game-info{padding:18px 20px;display:flex;flex-direction:column;flex:1}.hub98-game-info h3{font-size:17px;line-height:1.6;margin:0 0 18px;overflow-wrap:anywhere}.hub98-game-info .hub98-card-action{margin-top:auto}.hub98-original-art{width:220px;margin:0 auto 35px;opacity:.9}.hub98-original-art img{width:100%;height:auto;border-radius:15px}
.hub98-bottom-nav{display:flex;justify-content:space-between;align-items:center;gap:18px;margin:26px 0 36px;font-size:12px;color:#7186a0}.hub98-bottom-nav a{padding:9px 0}.hub98-bottom-nav a:hover{text-decoration:underline}.hub98-footer{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:24px 0 35px;border-top:1px solid #dfe6ef;color:#8a96a7;font-size:11px}.hub98-footer>a:first-child{font-size:14px;font-weight:700;color:#506078}
@media(max-width:950px){.hub98-reading{grid-template-columns:200px minmax(0,1fr);gap:18px}.hub98-game-section{padding:23px}.hub98-downloads,.hub98-game-grid{gap:17px}.hub98-game-info{padding:15px}.hub98-game-info h3{font-size:15px}}
@media(max-width:700px){.hub98-shell{width:calc(100% - 32px)}.gtl-hub98-page .gtl-shared-header{margin-top:12px}.hub98-breadcrumb{font-size:10px;gap:6px 9px;margin:22px 0}.hub98-title{gap:14px;margin-bottom:24px}.hub98-title h1{font-size:23px}.hub98-title p{font-size:11px;line-height:1.8}.hub98-console,.hub98-music-art{width:64px;height:64px;border-radius:16px;padding:6px}.hub98-music-art{font-size:37px}.hub98-index{padding:10px 12px;border-radius:19px}.hub98-kana-row{grid-template-columns:29px minmax(0,1fr);gap:8px;padding:10px 0}.hub98-kana-row>h2{font-size:10px}.hub98-kana-cells{gap:6px}.hub98-kana-cell{min-height:67px;border-radius:10px}.hub98-kana-cell b{font-size:23px}.hub98-other-letters{padding:11px 13px}.hub98-kana--compact .hub98-kana-cell{min-height:53px}.hub98-kana--compact .hub98-kana-cell b{font-size:18px}.hub98-letter-nav{gap:7px;justify-content:center}.hub98-letter-nav a{padding:8px 15px;font-size:12px}.hub98-reading{display:block}.hub98-toc{position:static;padding:16px;margin-bottom:20px;border-radius:16px}.hub98-toc nav{max-height:195px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 15px}.hub98-toc nav a{font-size:11px;padding:8px 0}.hub98-game-section{padding:20px 19px;border-radius:18px;margin-bottom:17px;scroll-margin-top:105px}.hub98-game-section>header{gap:10px}.hub98-game-section h2{font-size:20px}.hub98-order{font-size:10px}.hub98-cheat{padding:17px 0}.hub98-cheat h3{font-size:14px}.hub98-cheat-body{font-size:14px;line-height:1.95}.hub98-preparing{padding:35px 18px}.hub98-preparing h2{font-size:21px}.hub98-preparing p{font-size:12px}.hub98-bgm-intro{padding:19px;font-size:12px;border-radius:17px}.hub98-downloads{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.hub98-download{border-radius:17px;padding:8px 8px 16px;gap:13px}.hub98-download-art{height:88px;border-radius:11px}.hub98-download-art>span{font-size:43px}.hub98-download>div:last-child{padding:0 7px}.hub98-download h2{font-size:15px;margin-bottom:12px}.hub98-card-action{font-size:10px;gap:6px}.hub98-card-action>span{width:23px;height:23px}.hub98-game-collection>h2{font-size:19px;gap:10px}.hub98-game-collection>h2>span{font-size:10px}.hub98-game-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.hub98-game-card{border-radius:15px}.hub98-game-info{padding:12px}.hub98-game-info h3{font-size:12px;margin-bottom:13px}.hub98-original-art{width:165px}.hub98-bottom-nav{font-size:10px;gap:10px}.hub98-footer{font-size:9px;gap:15px}.hub98-footer>a:first-child{font-size:12px}}
@media(max-width:360px){.hub98-shell{width:calc(100% - 24px)}.hub98-index{padding:8px}.hub98-kana-row{grid-template-columns:25px minmax(0,1fr);gap:5px}.hub98-kana-cells{gap:4px}.hub98-kana-cell{min-height:61px}.hub98-title h1{font-size:21px}}
@media(prefers-reduced-motion:reduce){.gtl-hub98-page *{scroll-behavior:auto!important;transition:none!important}.hub98-kana-cell[href]:hover,.hub98-download:hover,.hub98-game-card:hover{transform:none}}
@media print{body.gtl-hub98-page{background:white;color:#000}.gtl-shared-header,.hub98-breadcrumb,.hub98-letter-nav,.hub98-other-letters,.hub98-toc,.hub98-bottom-nav,.hub98-footer{display:none!important}.hub98-shell{width:100%}.hub98-reading{display:block}.hub98-game-section{box-shadow:none;break-inside:avoid}.hub98-game-grid,.hub98-downloads{grid-template-columns:repeat(3,minmax(0,1fr))}.hub98-game-card,.hub98-download{break-inside:avoid}.hub98-kana-cell{min-height:55px}}

/* 99: center the genre and download instruction within each BGM card. */
.hub98-download>div:last-child{text-align:center}.hub98-download h2{text-align:center}.hub98-download .hub98-card-action{display:block;text-align:center;overflow-wrap:anywhere;line-height:1.8}

/* 100: readable empty entries and keyboard-scrollable data tables. */
.hub100-empty{margin:0;font-size:14px;color:#65768b;line-height:1.9}
.hub100-table{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;margin:14px 0;scrollbar-width:thin}
.hub100-table table{min-width:100%;max-width:none;font-size:13px;line-height:1.7;overflow-wrap:normal}
.hub100-table th,.hub100-table td{white-space:nowrap;text-align:left;vertical-align:top;font-variant-numeric:tabular-nums;padding:9px 11px}
.hub100-table th{background:#f2f6fb;font-weight:700;color:#365474}
@media print{.hub100-table{overflow:visible}.hub100-table table{font-size:9px}.hub100-table th,.hub100-table td{white-space:normal;padding:3px}}

/* 101: retain the original row grouping without an empty label column. */
.hub98-kana--rows .hub98-kana-row{grid-template-columns:minmax(0,1fr);gap:0}

/* 104: centered single-label tiles and an immediate, native empty-state dialog. */
.hub98-kana-cell{font:inherit;color:inherit;width:100%;padding:0;cursor:pointer}
.hub98-kana-cell.hub104-empty:not([aria-current=page]){color:#738199;background:#f8fafc;border-color:#e0e7ef}
.hub98-kana-cell.hub104-empty:hover{background:#eaf1fa;border-color:#9fb8d5}
.hub98-kana-cell.hub104-empty[aria-current=page]:hover{background:#2e4667}
html.hub104-modal-open{overflow:hidden;scrollbar-gutter:stable}
.hub104-empty-dialog{width:min(440px,calc(100vw - 40px));max-height:calc(100dvh - 40px);margin:auto;padding:32px 28px 26px;overflow:auto;border:1px solid #dce5ef;border-radius:22px;background:#fff;color:#293851;box-shadow:0 24px 80px #172b4540;text-align:center;font:inherit}
.hub104-empty-dialog::backdrop{background:#172b4560}
.hub104-empty-dialog p{margin:0 0 24px;font-size:17px;font-weight:700;line-height:1.8;overflow-wrap:anywhere}
.hub104-empty-dialog form{margin:0}
.hub104-empty-dialog button{min-width:136px;min-height:46px;padding:10px 24px;border:1px solid #2e4667;border-radius:12px;background:#2e4667;color:white;font:inherit;font-size:14px;cursor:pointer}
.hub104-empty-dialog button:hover{background:#3b587e;border-color:#3b587e}
@media(max-width:700px){.hub104-empty-dialog{padding:27px 22px 22px;border-radius:19px}.hub104-empty-dialog p{font-size:16px}}
@media print{.hub104-empty-dialog{display:none!important}}

/* 136: Readable navigation and alphabet buttons on pale backgrounds. */
.hub98-breadcrumb,.hub98-bottom-nav{color:#52657d}
.hub98-kana-cell.hub104-empty:not([aria-current=page]){color:#52657d}