:root{--bg:#0f1115;--card:#181b22;--line:#2a2f3a;--text:#eef1f6;--muted:#9aa3b2;--accent:#ff5c8a;--accent2:#7c5cff;--radius:14px}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:#a9b8ff}
.wrap{max-width:760px;margin:0 auto;padding:20px 16px 48px}
.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.brand{font-weight:700;color:var(--text);text-decoration:none;font-size:1.1rem}
.pill{font-size:.75rem;padding:3px 10px;border:1px solid var(--line);border-radius:99px;color:var(--muted)}
h1{font-size:1.8rem;line-height:1.2;margin:0 0 8px}
h2{font-size:1.2rem;margin:32px 0 12px}
.sub{color:var(--muted);margin:0 0 20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.btn{display:inline-block;border:0;border-radius:12px;padding:14px 22px;font-weight:700;font-size:1rem;cursor:pointer;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent2));text-decoration:none}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.hero{text-align:center;padding:40px 0}
.hero p{color:var(--muted);max-width:520px;margin:0 auto 26px}
.songs{display:grid;gap:14px;margin:0;padding:0;border:0}
.song{position:relative;display:block;background:var(--card);border:2px solid var(--line);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:border-color .15s}
.song:has(input:checked){border-color:var(--accent)}
.song input{position:absolute;opacity:0;pointer-events:none}
.song-head{display:flex;gap:14px;align-items:center;padding:12px}
.cover{width:72px;height:72px;border-radius:10px;object-fit:cover;background:#222;flex:none}
.song-info{flex:1;min-width:0}
.song-label{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.song-title{font-weight:700;font-size:1.05rem}
.song-info a{font-size:.9rem}
.radio{width:24px;height:24px;border-radius:50%;border:2px solid var(--muted);flex:none;display:grid;place-items:center}
.song:has(input:checked) .radio{border-color:var(--accent)}
.song:has(input:checked) .radio::after{content:"";width:12px;height:12px;border-radius:50%;background:var(--accent)}
.song input:focus-visible ~ .song-head{outline:2px solid var(--accent2);outline-offset:-4px}
.player{display:block;width:100%;height:152px;border:0;border-top:1px solid var(--line);background:#000}
label.field{display:block;margin:24px 0 8px;font-weight:600}
input[type=text]{width:100%;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--text);font:inherit}
.opt{color:var(--muted);font-weight:400;font-size:.9rem}
.comments .who{color:var(--text)}
.comments .none{color:var(--muted);font-style:italic}
textarea{width:100%;min-height:110px;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--text);font:inherit;resize:vertical}
.hint{color:var(--muted);font-size:.85rem;margin-top:4px}
.actions{margin-top:20px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.msg{color:#ffb4c6;min-height:1.4em}
.bar-row{padding:10px 0;border-bottom:1px solid var(--line)}
.bar-row:last-child{border-bottom:0}
.bar{height:12px;background:#0b0d11;border-radius:99px;overflow:hidden;margin:8px 0 4px}
.bar span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2))}
.bar-num{color:var(--muted);font-size:.9rem}
.comments{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.comments li{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.comments .meta{color:var(--muted);font-size:.8rem}
.comments p{margin:4px 0 0;white-space:pre-wrap;word-wrap:break-word}
.comments .empty{color:var(--muted)}
footer{color:var(--muted);font-size:.8rem;text-align:center;margin-top:40px}
/* Lyrics */
.ja{font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Noto Sans CJK JP","Yu Gothic","YuGothic","Meiryo",system-ui,sans-serif}
.lyrics{margin:28px 0 8px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.lyrics h2{margin:0 0 8px}
.lyrics-intro{color:var(--muted);margin:0 0 14px}
.ly-legend{display:flex;gap:12px;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:6px}
.ly-legend .ja{color:var(--text)} .ly-legend .ro{font-style:italic} .ly-legend .en{color:#c9d3ff}
.ly-sec{border-top:1px solid var(--line);padding:6px 0}
.ly-sec summary{cursor:pointer;font-weight:700;padding:8px 0;color:var(--accent)}
.ly-line{display:grid;gap:2px;padding:8px 0;border-bottom:1px dashed #232835}
.ly-line:last-child{border-bottom:0}
.ly-line .ja{font-size:1.1rem}
.ly-line .ro{color:var(--muted);font-style:italic;font-size:.95rem}
.ly-line .en{color:#c9d3ff;font-size:.95rem}
@media (min-width:720px){
  .ly-legend{display:grid;grid-template-columns:1fr 1fr 1fr}
  .ly-line{grid-template-columns:1fr 1fr 1fr;gap:14px;align-items:baseline}
  .ly-line .ja{font-size:1.05rem}
}
/* Language toggle */
.lang-toggle{display:flex;align-items:center;gap:4px;font-size:.9rem;color:var(--muted)}
.lang-toggle button{background:none;border:1px solid transparent;color:var(--muted);padding:6px 10px;border-radius:99px;cursor:pointer;font:inherit}
.lang-toggle button[lang=ja]{font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Noto Sans CJK JP","Yu Gothic","Meiryo",system-ui,sans-serif}
.lang-toggle button[aria-pressed=true]{color:#fff;border-color:var(--accent);background:rgba(255,92,138,.15);font-weight:700}
.lang-toggle button:focus-visible{outline:2px solid var(--accent2)}
html[lang=ja] body{font-family:system-ui,-apple-system,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Noto Sans CJK JP","Yu Gothic","Meiryo",sans-serif}
/* Music-video question */
.mv{border:0;padding:0;margin:24px 0 0}
.mv legend{padding:0;margin:0 0 10px;font-weight:600}
.mv-opts{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media (min-width:600px){.mv-opts{grid-template-columns:repeat(4,1fr)}}
.mv-opt{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--card);border:2px solid var(--line);border-radius:12px;cursor:pointer;font-weight:600}
.mv-opt input{accent-color:var(--accent);width:18px;height:18px;margin:0}
.mv-opt:has(input:checked){border-color:var(--accent)}