:root{color-scheme:dark;--bg:#0b0f19;--card:#171d2b;--blue:#2563eb;--text:#f1f5f9;--muted:#94a3b8;--line:#ffffff18}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--bg);color:var(--text);font-family:"Yu Gothic",Meiryo,system-ui,sans-serif;font-size:14px;line-height:1.9}a{color:inherit;text-decoration:none}button,input{font:inherit}a,button,input,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid #82aaff;outline-offset:5px}.skip{position:fixed;top:-80px;left:20px;background:var(--blue);padding:10px;z-index:10}.skip:focus{top:10px}header{max-width:1440px;margin:auto;min-height:96px;display:flex;align-items:center;justify-content:space-between;padding:0 6%;border-bottom:1px solid var(--line);gap:24px}.brand{font-size:27px;font-weight:600;letter-spacing:.17em;line-height:1.2}.brand span{display:block;font-size:9px;letter-spacing:.36em;margin-top:6px}nav{display:flex;gap:30px;font-size:12px}nav a:hover,.text-link:hover{color:#85aaff}.header-note{font-size:9px;letter-spacing:.14em;color:var(--muted)}main{max-width:1440px;margin:auto}.hero{padding:75px 6% 0;display:grid;grid-template-columns:1.2fr 1fr;column-gap:5%;overflow:hidden}.eyebrow{font-size:10px;letter-spacing:.2em;font-weight:600;color:var(--muted);margin:0 0 25px}.eyebrow>span{display:inline-block;width:6px;height:6px;background:#427dff;margin-right:8px;vertical-align:middle}h1{font-size:clamp(40px,4.7vw,70px);letter-spacing:.05em;line-height:1.5;font-weight:500;margin:0 0 24px}.blue{color:#447df7}.subtitle{font-size:15px;margin:0 0 15px}.intro{color:var(--muted);font-size:12px;line-height:2.1}.hero-actions{display:flex;align-items:center;gap:30px;margin:32px 0}.button{background:var(--blue);padding:14px 25px;display:inline-flex;justify-content:space-between;align-items:center;gap:50px;border-radius:3px;font-size:12px;font-weight:600;min-height:48px}.button:hover{background:#3575ff}.text-link{font-size:12px}.text-link span{margin-left:12px}.hero-tags{display:flex;gap:18px;color:var(--muted);font-size:10px}.hero-tags span:before{content:'✓';color:#5387f9;margin-right:6px}.hero-art{position:relative;min-height:460px;overflow:hidden;background:#101827;border:1px solid #29364f}.art-top{position:absolute;top:23px;left:25px;right:25px;display:flex;justify-content:space-between;font-size:8px;letter-spacing:.18em;color:#98a9c9}.orbit{position:absolute;border:1px solid #3c5a8b;border-radius:50%;width:330px;height:330px;left:50%;top:48%;transform:translate(-50%,-50%)}.orbit-one{width:390px;height:390px;border-color:#263957}.orbit-two{border-width:34px;border-color:#17294a;box-shadow:0 0 0 1px #3b5279,inset 0 0 0 1px #385888}.orbit-three{width:225px;height:225px;border:1px solid #5272a9;background:#10203b}.record-center{position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);font-family:Georgia,serif;font-size:130px;letter-spacing:-35px;color:#92a9d1;font-style:italic;line-height:1}.record-center span{color:#4b77c5}.art-line{position:absolute;background:#6d8dbc;width:1px;height:80%;top:10%;left:50%;transform:rotate(37deg);opacity:.35}.art-bottom{position:absolute;bottom:25px;left:25px;right:25px;display:flex;justify-content:space-between;align-items:end;font-size:9px;letter-spacing:.15em;color:#a6b5d0}.art-bottom span:first-child{font-size:13px;line-height:1.5}.hero-footer{grid-column:1/-1;display:flex;justify-content:space-between;padding:43px 0 25px;border-bottom:1px solid var(--line);font-size:8px;letter-spacing:.18em;color:var(--muted)}.section{padding:75px 6%;scroll-margin-top:20px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}.section .eyebrow{margin-bottom:12px}h2{font-size:28px;letter-spacing:.06em;font-weight:500;line-height:1.6;margin:0}h3{font-size:16px;font-weight:500}.small-label{font-size:9px;letter-spacing:.15em;font-weight:400;color:var(--muted);margin-left:22px}.muted{color:var(--muted);font-size:12px}.toolbar{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:22px 0}.filters{display:flex;gap:8px}.filter{background:transparent;color:var(--muted);border:1px solid transparent;padding:7px 19px;border-radius:3px;cursor:pointer;min-height:44px;font-size:12px}.filter.active{color:var(--text);background:#202c45;border-color:#36476b}.search{display:flex;align-items:center;border:1px solid var(--line);padding:4px 13px;border-radius:3px;gap:10px}.search span{font-size:24px;color:var(--muted)}input{background:transparent;border:0;color:var(--text);width:190px;font-size:12px;padding:7px 0;min-width:0}.empty{min-height:230px;background:#111725;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:30px}.empty-mark{font-family:Georgia,serif;font-size:35px;line-height:1.4;color:#6c88ba}.empty h3{margin:10px 0 6px}.empty p{color:var(--muted);font-size:12px;margin:0}.library-note{font-size:10px;color:var(--muted);margin:18px 0 0}.guide{background:#101622;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:35px 0}.step-no{font-size:10px;letter-spacing:.15em;color:#7b9ad2}.steps p,.terms p{color:var(--muted);font-size:12px}.steps article+article{border-left:1px solid var(--line);padding-left:30px}.terms{padding:24px 28px;border:1px solid #35425d;border-radius:3px;margin-top:35px}.terms>div{display:flex;gap:12px;align-items:center}.terms h3{margin:0;font-size:14px}.terms-icon{border:1px solid #6383b8;border-radius:50%;width:18px;height:18px;text-align:center;line-height:17px;color:#8eaff0;font-family:Georgia,serif}.terms p:last-child{font-size:11px;margin-bottom:0}.about{display:grid;grid-template-columns:1fr 1fr;gap:60px;border-bottom:1px solid var(--line);padding-top:90px;padding-bottom:90px}.about h2{font-size:36px;line-height:1.8}.artist-name{font-size:32px;letter-spacing:.15em}.artist-name span{font-size:11px;letter-spacing:.1em;margin-left:15px;color:var(--muted)}.about-copy p{color:#b9c4d5;font-size:13px;line-height:2.1}.artist-footnote{display:block;color:#6f84a8;font-size:9px;letter-spacing:.2em;margin-top:30px}.faq{max-width:1000px;margin:auto}.faq h2{margin-bottom:25px}details{border-bottom:1px solid var(--line)}summary{padding:20px 30px 20px 0;cursor:pointer;font-size:13px;position:relative;list-style:none}summary::-webkit-details-marker{display:none}summary:after{content:'+';position:absolute;right:7px;color:var(--muted)}details[open] summary:after{content:'−'}details p{color:var(--muted);font-size:12px;margin:0 30px 22px 0}footer{border-top:1px solid var(--line);max-width:1440px;margin:auto;padding:35px 6%;display:flex;gap:25px;align-items:center}footer .brand{font-size:22px}footer p{color:var(--muted);font-size:11px;flex:1}footer>a:not(.brand),footer small{font-size:9px;color:var(--muted);letter-spacing:.1em}.track{padding:25px;background:var(--card);border:1px solid var(--line);margin-bottom:14px}.track h3{margin-top:0}.track-meta{color:var(--muted);font-size:12px}.track-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.track audio{width:100%;margin-top:15px}.no-result{padding:35px;border:1px solid var(--line);text-align:center;color:var(--muted)}@media(min-width:1450px){.hero{padding-top:95px}.hero-art{min-height:500px}}@media(max-width:900px){.header-note{display:none}header{min-height:85px}nav{gap:20px}.hero{gap:4%}.hero-art{min-height:430px}.orbit-one{width:330px;height:330px}.orbit-two{width:280px;height:280px}.orbit-three{width:190px;height:190px}.hero-tags{gap:10px;flex-wrap:wrap}.intro br{display:none}.hero-actions{gap:18px}.button{gap:25px}.about{gap:35px}}@media(max-width:640px){header{padding:22px 6%;flex-wrap:wrap;gap:20px}.brand{font-size:23px}nav{width:100%;justify-content:space-between;gap:10px;font-size:11px}.hero{padding-top:43px;display:flex;flex-direction:column;gap:32px}h1{font-size:42px}.eyebrow{font-size:8px}.subtitle{font-size:13px}.intro{font-size:12px}.hero-art{min-height:330px}.orbit-one{width:300px;height:300px}.orbit-two{width:250px;height:250px}.orbit-three{width:170px;height:170px}.record-center{font-size:100px}.hero-footer{padding:0 0 22px;gap:20px;font-size:7px}.section{padding:48px 6%}h2{font-size:23px}.small-label{font-size:8px;margin-left:12px}.toolbar{flex-wrap:wrap;gap:14px}.search{width:100%}.search input{width:100%}.steps{grid-template-columns:1fr;gap:22px}.steps article+article{padding:20px 0 0;border-left:0;border-top:1px solid var(--line)}.steps h3{margin:8px 0}.terms{padding:20px}.about{grid-template-columns:1fr;gap:28px}.about h2{font-size:31px}.artist-name{font-size:28px}.section-heading{align-items:center}.section-heading>.muted{white-space:nowrap;font-size:10px}footer{flex-wrap:wrap;gap:18px}footer p{min-width:50%}footer small{margin-left:auto}.empty{min-height:240px}.empty p{font-size:11px}summary{font-size:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Official LYUNOA visual: preserve the complete supplied artwork. */
.hero-art.hero-art-official{min-height:0;align-self:center;aspect-ratio:16/9;background:#0b1427;border-color:#29364f}.artist-visual{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}@media(max-width:640px){.hero-art.hero-art-official{width:100%}}
/* MP3 sound library */
.format-label{font-size:10px;letter-spacing:.15em;color:var(--muted);align-self:center}.track{display:grid;grid-template-columns:minmax(200px,.85fr) minmax(0,1.15fr);padding:0;overflow:hidden;gap:0}.track-cover{align-self:start;aspect-ratio:16/9;background:#101622;display:grid;place-items:center;color:var(--muted);font-size:12px}.track-cover img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:contain}.track-body{padding:24px 28px;min-width:0}.track-kicker{font-size:9px;letter-spacing:.17em;color:#8ba8d7;margin:0 0 8px}.track h3{font-size:23px;line-height:1.5;margin:0 0 9px}.track-meta{margin:0}.track audio{display:block;margin:15px 0;width:100%;height:42px}.track-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.track-actions .button{justify-content:center;gap:0;padding:12px 8px;white-space:nowrap;font-size:11px}.secondary{background:transparent;border:1px solid #41516f;color:var(--text)}.secondary:hover{background:#243047}button:disabled{opacity:.5;cursor:default}.copy-credit{margin-top:16px;padding:7px 0;min-height:44px;background:none;border:none;color:#a9c5ff;cursor:pointer;font-size:12px}.copy-status{margin-left:14px;color:var(--muted);font-size:11px}.credit-details summary{padding:10px 25px 10px 0;font-size:11px}.credit-details pre,.terms pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;line-height:1.8;color:#c5d2e7;font-family:inherit}.track-terms{display:inline-block;font-size:10px;color:var(--muted);margin-top:14px}.clipboard-fallback{position:fixed;left:-10000px;top:0}.terms .terms-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start;margin-top:20px}.terms-grid ul{padding-left:20px;color:#c0cde0;font-size:12px}.terms h4{font-size:14px;font-weight:500;margin:12px 0}.terms{scroll-margin-top:25px}.terms pre{padding:16px;background:#0b101c;border:1px solid var(--line)}
@media(max-width:750px){.track{grid-template-columns:1fr}.track-cover{max-height:none}.track-body{padding:22px}.terms .terms-grid{grid-template-columns:1fr;gap:8px}.track h3{font-size:22px}}@media(max-width:380px){.track-body{padding:16px}.track-actions{gap:6px}.track-actions .button{font-size:10px;padding:12px 3px}}