.grammar-panel{margin-top:36px}.grammar-heading{font-family:Georgia,"Times New Roman",serif;font-size:29px;font-weight:400;line-height:1.2;margin:10px 0 12px}.grammar-status{font-size:13px;color:var(--muted);line-height:1.6;margin:0 0 19px}.grammar-list{display:grid;gap:16px}.grammar-card{min-width:0;padding:22px;border:1px solid var(--line);border-radius:21px;background:var(--card);overflow-wrap:anywhere}.grammar-number{font-size:10px;letter-spacing:.16em;color:var(--muted);font-weight:750}.grammar-pattern{font-size:25px;line-height:1.9;color:var(--accent);font-weight:700;margin:5px 0 8px}.grammar-meaning{font-size:15px;line-height:1.6;margin:0 0 17px;color:var(--text)}.grammar-structure{border-left:2px solid var(--line);padding-left:12px}.grammar-structure>span{color:var(--muted);font-size:11px}.grammar-structure p{font-size:14px;line-height:1.7;margin:4px 0 0;white-space:pre-wrap;color:var(--text)}.grammar-details{margin-top:18px;border-top:1px solid var(--line);padding-top:13px}.grammar-details summary{cursor:pointer;color:var(--green);font-weight:650;font-size:13px;padding:4px 0}.grammar-details summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:3px}.grammar-detail-content{font-size:14px;line-height:1.75;color:var(--text)}.grammar-detail-content p{margin:13px 0;white-space:pre-wrap}.grammar-example{border-radius:12px;background:var(--bg);padding:4px 14px}.grammar-example-jp{font-size:18px;line-height:2.7}.grammar-pattern ruby,.grammar-example-jp ruby{ruby-position:over;ruby-align:center}.grammar-pattern rt,.grammar-example-jp rt{font-size:.55em;font-weight:400;line-height:1.2;letter-spacing:0;color:var(--muted)}.grammar-note{color:var(--muted)}.grammar-retry{border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--text);font:inherit;padding:12px 18px;cursor:pointer}.grammar-library-page{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.grammar-library-page *{box-sizing:border-box}.grammar-library-page main{max-width:640px;margin:auto;padding:0 22px calc(40px + env(safe-area-inset-bottom))}.grammar-library-page .back{color:var(--accent);text-decoration:none;font-size:14px;display:inline-block;padding:8px 0}.grammar-library-page .library-toolbar{position:sticky;top:0;z-index:30;background:var(--bg);margin:0 -22px 20px;padding:calc(10px + env(safe-area-inset-top)) 22px 12px;border-bottom:1px solid var(--line);box-shadow:0 6px 18px #0002}.library-toolbar-row{display:flex;align-items:center;gap:10px;min-height:44px;margin-bottom:12px}.grammar-library-page .library-toolbar .back{display:grid;place-items:center;min-width:44px;min-height:44px;font-size:24px;padding:0;border:1px solid var(--line);border-radius:50%}.grammar-library-page .library-toolbar h1{font-size:23px;line-height:1.3;margin:0}.library-toolbar .grammar-search-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.library-toolbar .grammar-search{margin-bottom:0;padding:12px}.library-toolbar .grammar-status{margin:8px 0 0;font-size:12px}.grammar-library-page .grammar-card{scroll-margin-top:calc(160px + env(safe-area-inset-top))}.grammar-library-page h1{font-family:Georgia,"Times New Roman",serif;font-size:39px;font-weight:400;line-height:1.15;margin:10px 0 13px}.grammar-search-label{display:block;color:var(--muted);font-size:13px;margin-bottom:9px}.grammar-search{width:100%;font:inherit;font-size:16px;border:1px solid var(--line);border-radius:13px;background:var(--card);color:var(--text);padding:14px;margin:0 0 17px}.grammar-search:focus{outline:2px solid var(--accent);outline-offset:2px}.grammar-library-page [hidden]{display:none!important}

@media(min-width:768px){
  .grammar-library-page main{max-width:1000px;padding-left:32px;padding-right:32px}
  .grammar-library-page .grammar-list{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:22px}
  .grammar-library-page .library-toolbar{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,360px);column-gap:24px;row-gap:0;align-items:center;margin:0 -32px 28px;padding:20px 32px 12px}
  .library-toolbar-row{grid-column:1;grid-row:1 / span 2;margin:0}
  .library-toolbar .grammar-search{grid-column:2;grid-row:1}
  .library-toolbar .grammar-status{grid-column:2;grid-row:2;text-align:right}
  .grammar-library-page .grammar-card{scroll-margin-top:120px}
}
@media(min-width:1100px){
  .grammar-library-page main{max-width:1280px}
  .grammar-library-page .grammar-list{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grammar-library-page .library-toolbar{grid-template-columns:minmax(0,1fr) minmax(320px,420px)}
  .grammar-library-page .library-toolbar h1{font-size:29px}
}