:root {
  --primary-color:#28752d;
  --secondary-color:#ecf6dc;
  --background-color:#fffef9;
  --surface-color:#ffffff;
  --text-color:#303b2c;
  --muted-text-color:#617454;
  --accent-color:#62a536;
  --border-color:#dceaca;
  --hover-color:#368a36;
  --focus-color:#8abf5c;
  --white-color:#ffffff;
  --error-color:#a33131;
  font-family:'Noto Sans JP','Yu Gothic',Meiryo,system-ui,sans-serif;
  color:var(--text-color);background:var(--background-color);
}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--focus-color);outline-offset:3px}p{line-height:1.8}button:disabled{opacity:.45;cursor:default}
header{background:var(--secondary-color);border-top:4px solid var(--primary-color)}.header-inner{max-width:1220px;margin:auto;padding:20px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:16px}.brand img{width:238px;max-width:100%;height:auto}.beta{font-size:12px;letter-spacing:.06em;border:1px solid var(--accent-color);color:var(--primary-color);padding:3px 7px;border-radius:2px}.brand-note{font-size:13px;color:var(--muted-text-color);margin-top:5px}.lang{background:var(--surface-color);border:1px solid var(--border-color);border-radius:3px;padding:9px 12px;color:var(--text-color)}nav{background:var(--primary-color);color:var(--white-color);display:flex;justify-content:center;gap:0}nav a{font-size:14px;color:var(--white-color);padding:13px 32px;border-right:1px solid color-mix(in srgb,var(--white-color) 18%,transparent)}nav a:first-child{border-left:1px solid color-mix(in srgb,var(--white-color) 18%,transparent)}nav a:hover{background:var(--hover-color);text-decoration:none}
main{max-width:1220px;margin:auto;padding:30px 28px 50px}.intro{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.eyebrow{font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--primary-color)}h1{font-size:28px;font-weight:650;line-height:1.5;margin:7px 0 8px}.intro h1{border-left:5px solid var(--accent-color);padding-left:13px}.intro p{font-size:14px;margin:0;color:var(--muted-text-color)}.total{white-space:nowrap;font-size:13px;color:var(--muted-text-color)}.total strong{font-size:27px;font-weight:500;color:var(--primary-color);margin-right:5px}.muted,.description{color:var(--muted-text-color)}
.searchbox{display:flex;gap:12px;align-items:center;padding:8px 8px 8px 16px;border:1px solid var(--border-color);background:var(--surface-color);border-radius:3px}.searchbox>svg{width:22px;flex-shrink:0;color:var(--muted-text-color)}.searchbox input{width:100%;min-width:0;border:0;background:transparent;color:var(--text-color);padding:10px 0;font-size:16px}.primary,.download{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--primary-color);color:var(--white-color);border:1px solid var(--primary-color);border-radius:3px;font-size:14px;font-weight:600;min-height:46px;padding:11px 21px;white-space:nowrap;text-decoration:none;transition:background-color .15s,border-color .15s}.primary:hover,.download:hover{background:var(--hover-color);border-color:var(--hover-color);color:var(--white-color);text-decoration:none}.primary svg,.download svg{width:18px;height:18px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:1.8}.download small{font-size:11px;font-weight:400;border-left:1px solid color-mix(in srgb,var(--white-color) 40%,transparent);padding-left:8px}.hint{font-size:12px;color:var(--muted-text-color);margin:10px 0 22px;line-height:1.7}
.workspace{display:grid;grid-template-columns:235px minmax(0,1fr);gap:25px}.filters{height:fit-content;border:1px solid var(--border-color);background:var(--surface-color);padding:18px;border-radius:3px}.filtertitle{font-size:16px;font-weight:650;display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--accent-color);padding-bottom:9px}.textbutton{border:0;background:transparent;color:var(--primary-color);padding:7px 0;font-size:13px}.filtergroup{border-bottom:1px solid var(--border-color);padding:16px 0}.filtergroup summary{font-size:14px;font-weight:600;cursor:pointer}.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}.chip{font-size:13px;border:1px solid var(--border-color);border-radius:3px;padding:6px 8px;color:var(--text-color);background:var(--surface-color)}.chip:hover{border-color:var(--accent-color)}.chip.selected{background:var(--secondary-color);border-color:var(--accent-color);color:var(--primary-color)}.mobilefilter{display:none}.resultbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 14px;font-size:14px;min-height:39px}.resultbar select{background:var(--surface-color);color:var(--text-color);border:1px solid var(--border-color);border-radius:3px;padding:8px 10px;font-size:13px}.demo{font-size:12px;color:var(--muted-text-color);margin-left:10px}.demo-note{font-size:12px;color:var(--muted-text-color);margin:8px 0 0}.track{display:grid;grid-template-columns:44px minmax(0,1fr);gap:15px;padding:19px 20px;background:var(--surface-color);border:1px solid var(--border-color);border-radius:3px;margin-bottom:12px}.track.active{border-color:var(--accent-color);box-shadow:inset 3px 0 var(--accent-color)}.play{display:grid;place-items:center;min-width:44px;width:44px;min-height:44px;height:44px;border-radius:50%;border:1px solid var(--border-color);background:var(--secondary-color);color:var(--primary-color);font-size:17px;margin-top:2px}.play:hover{border-color:var(--accent-color)}.active .play{background:var(--primary-color);color:var(--white-color)}.tracktop{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.title{font-size:18px;font-weight:650;overflow-wrap:anywhere}.date{font-size:12px;white-space:nowrap;color:var(--muted-text-color)}.description{font-size:14px;line-height:1.7;margin:7px 0 10px}.metadata{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.tag{font-size:12px;color:var(--primary-color);background:var(--secondary-color);border-radius:2px;padding:3px 7px}.bpm{font-size:12px;color:var(--muted-text-color);margin-left:3px}.controls{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:15px}.seek{flex:1;min-width:85px}.controls input{accent-color:var(--primary-color);height:5px;cursor:pointer}.time{font-size:12px;color:var(--muted-text-color);font-variant-numeric:tabular-nums;white-space:nowrap}.volume{width:48px}.speaker{font-size:12px;color:var(--muted-text-color)}.details{font-size:13px;color:var(--primary-color);white-space:nowrap}.controls .download{margin-left:auto;min-width:154px;padding:10px 14px}.pager{display:flex;justify-content:center;align-items:center;gap:16px;margin:25px 0}.pagebutton{padding:8px 14px;color:var(--primary-color);background:var(--surface-color);border:1px solid var(--border-color);border-radius:3px;font-size:14px}.empty{padding:45px 20px;text-align:center;background:var(--surface-color);border:1px solid var(--border-color)}.notice{font-size:12px;text-align:center;margin:30px 0 0;color:var(--muted-text-color)}.error{color:var(--error-color);font-size:14px}
.detail{max-width:860px;margin:auto}.detail h1{font-size:34px;color:var(--primary-color)}.detail>.track{padding:24px;grid-template-columns:52px minmax(0,1fr)}.detail>.track .play{width:52px;height:52px}.detailbox{background:var(--surface-color);padding:25px;border:1px solid var(--border-color);border-radius:3px;margin:25px 0}.detailbox h3,.detail>h3{font-size:18px;border-bottom:2px solid var(--secondary-color);padding-bottom:10px}.specs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;font-size:14px}.specs dt{font-size:12px;color:var(--muted-text-color);margin-bottom:7px}.specs dd{margin:0;overflow-wrap:anywhere}.download-area{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:28px;padding-top:20px;border-top:1px solid var(--border-color)}.download-area .download{min-height:50px;padding:13px 28px}.video{aspect-ratio:16/9;width:100%;margin:20px 0;background:var(--secondary-color)}.video iframe{display:block;width:100%;height:100%;border:0}.video-link{font-size:12px;text-align:right;margin:-12px 0 20px}footer{border-top:3px solid var(--primary-color);background:var(--secondary-color);display:flex;justify-content:space-between;gap:20px;padding:23px max(28px,calc((100vw - 1164px)/2));font-size:12px;color:var(--muted-text-color)}
@media(max-width:1000px){.workspace{grid-template-columns:215px minmax(0,1fr);gap:18px}.controls .seek{min-width:120px}.controls .details{margin-left:auto}.controls .download{margin-left:0}.intro .total{display:none}}
@media(max-width:640px){.header-inner{padding:15px 16px;gap:10px}.brand{gap:8px}.brand img{width:170px}.brand-note{display:none}.lang{font-size:13px;padding:8px}.beta{font-size:10px;padding:2px 4px}nav a{font-size:12px;padding:11px 14px}main{padding:22px 16px 35px}h1{font-size:23px}.intro{margin-bottom:17px}.intro p{font-size:13px}.searchbox{gap:8px;padding-left:11px}.searchbox>svg{display:none}.searchbox input{font-size:14px}.primary{padding:10px 14px}.workspace{display:block}.mobilefilter{display:block;width:100%;text-align:left;background:var(--surface-color);border:1px solid var(--border-color);color:var(--primary-color);padding:12px;margin-bottom:15px;border-radius:3px}.filters{display:none;margin-bottom:18px}.filters.open{display:block}.track{padding:16px 12px;gap:10px;grid-template-columns:44px minmax(0,1fr)}.tracktop{flex-wrap:wrap;gap:3px}.title{font-size:17px}.description{font-size:13px}.controls .seek{min-width:70px;flex-basis:40%}.controls .details{margin-left:auto}.controls .download{width:100%;margin:3px 0 0;min-height:48px;font-size:14px}.demo{display:none}.time{font-size:11px}.volume{width:45px}.detail h1{font-size:28px}.detail>.track{padding:16px 12px;grid-template-columns:44px minmax(0,1fr)}.detail>.track .play{width:44px;height:44px}.detailbox{padding:18px}.specs{grid-template-columns:repeat(2,minmax(0,1fr))}.download-area .download{width:100%}.resultbar{font-size:13px}.notice{line-height:1.8}.video{margin:16px 0}footer{padding:20px 16px;flex-wrap:wrap}}