.rb-app{--rb-accent:#d52d53;--rb-accent-soft:#fff0f3;--rb-text:#20232b;--rb-muted:#686c78;--rb-line:#e8e9ee;--rb-surface:#fff;--rb-bg:#f7f8fb;background:var(--rb-bg);min-height:100vh;color:var(--rb-text);letter-spacing:0;font-family:-apple-system,BlinkMacSystemFont,Noto Sans JP,sans-serif;font-size:16px;line-height:1.6}.rb-app *,.rb-app :before,.rb-app :after{box-sizing:border-box}.rb-app button,.rb-app input,.rb-app select,.rb-app textarea{font:inherit;letter-spacing:inherit}.rb-app button,.rb-app summary,.rb-app a{-webkit-tap-highlight-color:transparent}.rb-app button{cursor:pointer}.rb-app button:disabled{opacity:.48;cursor:not-allowed}.rb-app a{color:inherit;text-decoration:none}.rb-app h1,.rb-app h2,.rb-app p{margin:0}.rb-app h1{letter-spacing:-.04em;font-size:clamp(1.65rem,3vw,2.1rem);font-weight:730;line-height:1.4}.rb-app h2{font-size:1.15rem;font-weight:650}.rb-app small{font-size:.8125rem}.rb-app :focus-visible{outline-offset:3px;outline:3px solid #a13a77}.rb-topbar{border-bottom:1px solid var(--rb-line);background:var(--rb-surface);justify-content:space-between;align-items:center;gap:20px;height:80px;padding:0 38px;display:flex}.rb-brand{letter-spacing:-.5px;align-items:center;gap:12px;font-size:19px;font-weight:750;display:flex}.rb-brand small{color:var(--rb-muted);letter-spacing:.04em;font-size:12px;font-weight:500;line-height:1.2;display:block}.rb-brand-icon{color:#fff;background:var(--rb-accent);border-radius:12px;place-items:center;width:39px;height:43px;font-size:26px;display:grid}.rb-topbar nav{color:var(--rb-muted);align-items:center;gap:25px;font-size:14px;display:flex}.rb-layout{grid-template-columns:250px minmax(0,1fr);max-width:1480px;min-height:calc(100vh - 80px);margin:auto;display:grid}.rb-sidebar{border-right:1px solid var(--rb-line);background:#f3f4f8;flex-direction:column;padding:32px 20px;display:flex}.rb-person{align-items:center;gap:12px;margin-bottom:24px;padding:0 6px;display:flex}.rb-person strong{overflow-wrap:anywhere;font-size:14px;display:block}.rb-person small{color:var(--rb-muted);font-size:12px;display:block}.rb-avatar{color:#a5274a;background:#f4dfe6;border-radius:50%;flex:0 0 38px;place-items:center;height:38px;font-weight:650;display:grid}.rb-button{min-height:42px;color:var(--rb-text);background:var(--rb-surface);border:1px solid #dce0e7;border-radius:9px;justify-content:center;align-items:center;gap:9px;padding:9px 16px;font-weight:600;line-height:1.5;transition:background .15s,transform .15s;display:inline-flex;font-size:14px!important}.rb-button:hover{background:#f0f2f7}.rb-button:active{transform:translateY(1px)}.rb-app .rb-primary{color:#fff;background:var(--rb-accent);border-color:var(--rb-accent)}.rb-app .rb-primary:hover{background:#bb2046}.rb-share{width:100%;margin-bottom:30px}.rb-nav{gap:6px;display:grid}.rb-nav button{color:#555a67;text-align:left;overflow-wrap:anywhere;background:0 0;border:0;border-radius:9px;align-items:center;gap:12px;min-height:46px;padding:10px 13px;font-size:14px;display:flex}.rb-nav button>span{text-align:center;width:23px;font-size:21px}.rb-nav button b{margin-left:auto;font-size:12px;font-weight:500}.rb-nav button:hover{background:#e9eaf0}.rb-nav button[aria-current=page]{color:#b42349;background:#fbe5ec;font-weight:650}.rb-sidebar-caption{color:var(--rb-muted);margin:36px 12px 12px;font-size:12px;font-weight:650}.rb-create{margin:12px 0;padding:0 12px}.rb-app summary{cursor:pointer;color:var(--rb-muted);font-size:14px}.rb-create summary{list-style:none}.rb-create form{margin-top:12px}.rb-sidebar-bottom{gap:13px;margin-top:auto;padding:35px 12px 0;display:grid}.rb-sidebar-bottom button,.rb-text-button,.rb-back{color:var(--rb-muted);text-align:left;background:0 0;border:0;padding:4px 0;font-size:14px!important}.rb-sidebar-bottom button:hover,.rb-text-button:hover,.rb-back:hover{color:var(--rb-accent)}.rb-main{min-width:0;padding:42px clamp(22px,4vw,64px) 70px}.rb-page-heading{justify-content:space-between;align-items:center;gap:22px;margin-bottom:26px;display:flex}.rb-eyebrow{color:var(--rb-accent);letter-spacing:.14em;font-size:12px;font-weight:650;margin-bottom:8px!important}.rb-page-heading h1+p{color:var(--rb-muted);margin-top:9px;font-size:14px}.rb-journey{border-bottom:1px solid var(--rb-line);align-items:center;gap:18px;margin-bottom:22px;padding:14px 0 24px;display:flex}.rb-journey button{color:var(--rb-muted);background:0 0;border:0;align-items:center;gap:8px;padding:0;font-size:14px;display:flex}.rb-journey span{border:1px solid #d6d9e1;border-radius:50%;place-items:center;width:23px;height:23px;font-size:12px;display:grid}.rb-journey i{color:#a1a5b1;font-style:normal}.rb-request-list{gap:22px;display:grid}.rb-request-card{border:1px solid var(--rb-line);background:var(--rb-surface);border-radius:14px;overflow:hidden;box-shadow:0 4px 18px #20232b03}.rb-request-head{align-items:center;gap:12px;padding:22px 24px 16px;display:flex}.rb-request-head strong{font-size:15px}.rb-request-head strong small{font-weight:400}.rb-request-head p{color:var(--rb-muted);font-size:13px}.rb-request-head time{color:var(--rb-muted);white-space:nowrap;margin-left:auto;font-size:12px}.rb-request-card blockquote{color:#535560;white-space:pre-wrap;overflow-wrap:anywhere;background:#fbf8fa;border-left:2px solid #efbccb;margin:0 24px 18px;padding:10px 14px;font-size:14px}.rb-request-songs{padding:0 24px}.rb-request-song{border-top:1px solid #f0f1f5;justify-content:space-between;align-items:center;gap:12px;min-height:78px;display:flex}.rb-request-song label{cursor:pointer;flex:1;align-items:center;gap:14px;min-width:0;margin:0;display:flex}.rb-app input[type=checkbox]{width:17px;height:17px;accent-color:var(--rb-accent);flex-shrink:0;margin:0}.rb-song-tile{color:#817193;background:#f0edf6;border-radius:8px;flex-shrink:0;place-items:center;width:42px;height:44px;font-size:22px;display:grid}.rb-request-song:nth-child(3n+2) .rb-song-tile,.rb-library-song:nth-child(3n+2) .rb-song-tile{color:#637e9d;background:#edf2f8}.rb-request-song:nth-child(3n) .rb-song-tile,.rb-library-song:nth-child(3n) .rb-song-tile{color:#af7987;background:#f8edef}.rb-request-song strong{overflow-wrap:anywhere;font-size:15px;font-weight:600;display:block}.rb-request-song small{color:var(--rb-muted);display:block}.rb-status{color:#42765b;font-size:12px}.rb-request-card footer{border-top:1px solid var(--rb-line);background:#fcfcfe;justify-content:space-between;align-items:center;gap:14px;padding:17px 24px;display:flex}.rb-request-card footer>div{align-items:center;gap:10px;display:flex}.rb-app select{max-width:180px;color:var(--rb-text);background:#fff;border:1px solid #dce0e7;border-radius:8px;padding:9px;font-size:14px}.rb-empty{text-align:center;border:1px solid var(--rb-line);background:var(--rb-surface);border-radius:14px;padding:65px 24px}.rb-empty-icon{background:var(--rb-accent-soft);width:64px;height:64px;color:var(--rb-accent);border-radius:19px;place-items:center;margin:0 auto 22px;font-size:32px;display:grid}.rb-empty p{color:var(--rb-muted);max-width:400px;margin:12px auto 25px;font-size:14px}.rb-legacy{margin-top:28px}.rb-library-toolbar{color:var(--rb-muted);align-items:center;gap:24px;margin-bottom:18px;font-size:14px;display:flex}.rb-library-toolbar label{flex:1;max-width:380px;margin:0!important}.rb-app input:not([type=checkbox]),.rb-app textarea{background:var(--rb-surface);width:100%;min-height:44px;color:var(--rb-text);outline-offset:2px;border:1px solid #dce0e7;border-radius:8px;padding:11px 13px;font-size:16px}.rb-app textarea{resize:vertical;line-height:1.8}.rb-app input::placeholder,.rb-app textarea::placeholder{color:#9296a0}.rb-app label{margin-bottom:18px;font-size:14px;font-weight:500;display:block}.rb-app label>input:not([type=checkbox]),.rb-app label>textarea{margin-top:7px}.rb-app label>small{color:var(--rb-muted);margin-top:7px;font-weight:400;display:block}.rb-library{border-top:1px solid var(--rb-line)}.rb-library-song{border-bottom:1px solid var(--rb-line);align-items:center;gap:15px;min-height:100px;padding:17px 5px;display:flex}.rb-track-number{color:#9699a2;width:21px;font-size:12px}.rb-track-info{overflow-wrap:anywhere;flex:1;gap:2px;min-width:0;display:grid}.rb-track-info strong{font-size:16px;font-weight:600}.rb-track-info>span{color:var(--rb-muted);font-size:14px}.rb-track-info small{color:var(--rb-muted);margin-top:3px;font-size:12px}.rb-track-actions{align-items:center;gap:14px;display:flex}.rb-app .rb-learned{color:#28684c;background:#e9f4ef;border-color:#d4e7dd}.rb-song-menu{position:relative}.rb-song-menu summary{padding:12px;font-weight:700;list-style:none}.rb-song-menu>div{z-index:3;border:1px solid var(--rb-line);background:#fff;border-radius:10px;width:220px;padding:6px;position:absolute;top:40px;right:0;box-shadow:0 8px 35px #2223}.rb-song-menu button{text-align:left;width:100%;color:var(--rb-text);background:0 0;border:0;padding:12px;font-size:14px;display:block}.rb-song-menu button:hover{background:var(--rb-bg)}.rb-library-note{color:var(--rb-muted);flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:24px;font-size:13px;display:flex}.rb-settings,.rb-incoming{border:1px solid var(--rb-line);background:#fff;border-radius:12px;margin-bottom:24px;padding:24px}.rb-settings details{margin-top:24px}.rb-settings details p{color:var(--rb-muted);margin:14px 0;font-size:14px}.rb-section-head{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.rb-section-head>span{color:var(--rb-muted);font-size:13px}.rb-inline-form{align-items:flex-end;gap:12px;margin-bottom:18px;display:flex}.rb-inline-form label{flex:1;margin:0}.rb-muted{color:var(--rb-muted);font-size:13px;font-weight:400}.rb-sending .rb-layout{max-width:750px;display:block}.rb-sending .rb-main{padding-top:24px}.rb-back{margin-bottom:25px;display:inline-block}.rb-send-form,.rb-send-success{border:1px solid var(--rb-line);background:#fff;border-radius:16px;padding:30px}.rb-recipient{border-bottom:1px solid var(--rb-line);align-items:center;gap:13px;margin-bottom:25px;padding-bottom:24px;display:flex}.rb-recipient small{color:var(--rb-muted);display:block}.rb-recipient strong{font-size:18px}.rb-recipient strong span{font-size:14px;font-weight:400}.rb-recipient button{margin-left:auto}.rb-submit{width:100%;min-height:50px;margin-top:26px}.rb-send-note{text-align:center;color:var(--rb-muted);font-size:12px;margin-top:12px!important}.rb-send-success{text-align:center}.rb-success-icon{color:#28684c;background:#e9f4ef;border-radius:50%;place-items:center;width:62px;height:62px;margin:10px auto 22px;font-size:30px;display:grid}.rb-send-success>p{color:var(--rb-muted);margin:12px 0 25px;font-size:14px}.rb-sent-summary{text-align:left;margin-bottom:25px;padding:10px 0}.rb-sent-summary p{border-bottom:1px solid var(--rb-line);align-items:center;gap:14px;padding:12px 0;font-size:14px;display:flex}.rb-sent-summary small{color:var(--rb-muted);margin-left:auto}.rb-toast{z-index:50;color:#fff;background:#262a35;border-radius:12px;width:max-content;max-width:min(90vw,640px);padding:13px 23px;font-size:14px;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 8px 32px #0002}.rb-error{color:#a51f41;background:#fff0f3;border-radius:8px;padding:12px;margin-top:18px!important}.rb-undo{color:#28684c;background:#e9f4ef;border-radius:9px;gap:20px;padding:12px 16px;font-size:14px;display:flex}.rb-undo button{color:inherit;background:0 0;border:0;text-decoration:underline}.rb-test{background:#fff2cb;flex-wrap:wrap;gap:14px;padding:12px 24px;font-size:14px;display:flex}.rb-test button{background:0 0;border:1px solid #dccb9a;border-radius:5px;padding:3px 10px}.rb-app .sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}@media (max-width:900px){.rb-layout{grid-template-columns:210px minmax(0,1fr)}.rb-sidebar{padding:25px 12px}.rb-main{padding:30px 24px 60px}.rb-track-number{display:none}.rb-track-actions{gap:3px}.rb-request-card footer{flex-wrap:wrap}}@media (max-width:680px){.rb-topbar{height:68px;padding:0 18px}.rb-brand{gap:9px;font-size:17px}.rb-topbar nav{gap:12px;font-size:13px}.rb-topbar nav a:last-child{display:none}.rb-layout{display:block}.rb-sidebar{border-right:0;border-bottom:1px solid var(--rb-line);grid-template-columns:1fr auto;gap:12px;padding:15px 16px 10px;display:grid}.rb-person{margin:0;padding:0}.rb-share{align-self:center;width:auto;margin:0;padding:8px 12px}.rb-nav{grid-column:1/-1;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px}.rb-nav button{justify-content:center;gap:6px;min-height:42px;padding:8px 6px;font-size:13px}.rb-nav button>span{display:none}.rb-nav button b{margin:0}.rb-sidebar-caption,.rb-custom-nav:empty{display:none}.rb-custom-nav{flex-wrap:wrap;display:flex}.rb-custom-nav button{padding:6px 10px}.rb-create{margin:0;padding:0}.rb-create[open]{grid-column:1/-1}.rb-sidebar-bottom{flex-wrap:wrap;grid-column:1/-1;gap:8px 15px;margin:0;padding:0;display:flex}.rb-sidebar-bottom button{font-size:12px!important}.rb-main{padding:26px 16px 65px}.rb-page-heading{flex-wrap:wrap;align-items:flex-start;gap:12px;margin-bottom:12px}.rb-page-heading h1{font-size:25px}.rb-page-heading h1+p{font-size:13px}.rb-eyebrow{font-size:12px}.rb-journey{gap:15px;margin-bottom:18px;padding-bottom:17px}.rb-request-head{flex-wrap:wrap;padding:18px 16px 14px}.rb-request-head time{font-size:12px}.rb-request-songs{padding:0 16px}.rb-request-card blockquote{margin-left:16px;margin-right:16px}.rb-request-song{flex-wrap:wrap;gap:5px;padding:12px 0}.rb-request-song label{gap:9px;margin:0}.rb-request-song>.rb-text-button{margin-left:auto}.rb-request-song .rb-song-tile{width:34px;height:38px}.rb-request-card footer{gap:12px;padding:15px 16px}.rb-request-card footer>div{flex-wrap:wrap;width:100%}.rb-request-card footer select{flex:1;width:130px;max-width:none}.rb-request-card footer .rb-primary{white-space:nowrap;flex:1}.rb-library-song{flex-wrap:wrap;gap:10px;padding:18px 0}.rb-track-info{flex-basis:calc(100% - 56px)}.rb-track-actions{justify-content:space-between;width:calc(100% - 52px);margin-left:52px}.rb-empty{padding:42px 20px}.rb-settings,.rb-incoming{padding:18px}.rb-inline-form{flex-wrap:wrap}.rb-send-form,.rb-send-success{padding:22px 18px}.rb-sending .rb-main{padding:18px 16px 55px}}