@import"https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Noto+Serif+JP:wght@400;700&family=Space+Mono:wght@400;700&display=swap";:root{--bg: #f4f4f5;--bg2: #ffffff;--bg3: #ececed;--border: #d6d6db;--text: #1a1a1e;--text2: #51515a;--text3: #6b6b74;--accent: #ff2d55;--accent2: #ff6b6b;--accent-glow: rgba(255, 45, 85, .16);--success: #15803d;--warning: #b45309;--radius: 12px;--radius-sm: 8px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Noto Sans JP,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.app{max-width:900px;margin:0 auto;padding-bottom:100px}.app-header{padding:24px 32px 0;display:flex;align-items:center;justify-content:space-between}.app-logo{display:flex;align-items:center;gap:10px}.logo-icon{font-size:28px}.logo-text{font-family:Space Mono,monospace;font-size:18px;font-weight:700;letter-spacing:-.5px;background:linear-gradient(90deg,#ff2d55,#ff9500);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.btn-help{padding:7px 16px;background:var(--bg2);color:var(--text2);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;transition:border-color .2s,color .2s;font-family:Noto Sans JP,sans-serif}.btn-help:hover{border-color:var(--text2);color:var(--text)}.stepper{display:flex;align-items:center;justify-content:center;padding:32px 32px 0;gap:0}.step-dot{display:flex;flex-direction:column;align-items:center;gap:6px;cursor:default}.step-dot.done{cursor:pointer}.step-dot-inner{width:40px;height:40px;border-radius:50%;border:2px solid var(--border);background:var(--bg2);color:var(--text3);display:flex;align-items:center;justify-content:center;font-family:Space Mono,monospace;font-size:14px;font-weight:700;transition:all .3s}.step-dot.active .step-dot-inner{border-color:var(--accent);background:var(--accent);color:#fff;box-shadow:0 0 16px var(--accent-glow)}.step-dot.done .step-dot-inner{border-color:var(--success);background:var(--success);color:#fff}.step-dot-label{font-size:11px;color:var(--text3);font-weight:500}.step-dot.active .step-dot-label{color:var(--accent)}.step-dot.done .step-dot-label{color:var(--success)}.step-line{flex:1;height:2px;background:var(--border);margin-bottom:18px;max-width:80px;transition:background .3s}.step-line.done{background:var(--success)}.app-main{padding:32px}.step-header{margin-bottom:28px}.step-title{font-size:24px;font-weight:700;margin-bottom:6px}.step-desc{color:var(--text2);font-size:14px}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:48px;text-align:center;cursor:pointer;transition:all .2s;background:var(--bg2)}.dropzone:hover,.dropzone.active{border-color:var(--accent);background:#ff2d550d}.dropzone-icon{font-size:40px;margin-bottom:12px}.dropzone-text{font-size:16px;font-weight:500;margin-bottom:6px}.dropzone-hint{font-size:13px;color:var(--text3)}.photos-section{margin-top:28px}.photos-count{font-size:13px;color:var(--text2);margin-bottom:16px}.photos-grid{display:flex;flex-wrap:wrap;gap:12px}.photo-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;width:120px;transition:box-shadow .2s}.photo-card:hover{box-shadow:0 4px 16px #0006}.photo-drag-handle{cursor:grab}.photo-drag-handle:active{cursor:grabbing}.photo-thumb-wrap{position:relative}.photo-thumb{width:120px;height:160px;object-fit:cover;display:block}.photo-drag-icon{position:absolute;top:4px;right:4px;background:#0009;color:#fff;font-size:14px;padding:2px 4px;border-radius:4px}.photo-card-footer{display:flex;align-items:center;gap:4px;padding:6px 8px}.duration-input{width:48px;background:var(--bg3);border:1px solid var(--border);border-radius:4px;color:var(--text);font-size:13px;padding:2px 4px;text-align:center}.duration-label{font-size:12px;color:var(--text3);flex:1}.remove-btn{background:none;border:none;color:var(--text3);cursor:pointer;font-size:14px;padding:2px;transition:color .2s}.remove-btn:hover{color:var(--accent)}.crop-icon-btn{background:none;border:none;color:var(--text3);cursor:pointer;font-size:13px;padding:2px 4px;transition:color .2s}.crop-icon-btn:hover{color:var(--text)}.crop-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.crop-modal{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:14px}.crop-header{display:flex;align-items:center;justify-content:space-between}.crop-title{font-size:15px;font-weight:700}.crop-close{background:none;border:1px solid var(--border);color:var(--text2);width:28px;height:28px;border-radius:6px;cursor:pointer;font-size:13px;transition:border-color .2s}.crop-close:hover{border-color:var(--text2)}.crop-preview{border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border);flex-shrink:0;touch-action:none}.crop-hint{font-size:12px;color:var(--text3);text-align:center}.crop-btns{display:flex;gap:10px}.crop-reset-btn{flex:1;padding:10px;background:var(--bg3);color:var(--text2);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;cursor:pointer;transition:border-color .2s}.crop-reset-btn:hover:not(:disabled){border-color:var(--text2)}.crop-reset-btn:disabled{opacity:.4;cursor:default}.crop-confirm-btn{flex:1;padding:10px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:700;cursor:pointer;transition:opacity .2s}.crop-confirm-btn:hover{opacity:.85}.photo-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.photo-tab{display:flex;align-items:center;gap:6px;padding:6px 10px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;color:var(--text2);font-size:13px;transition:all .2s}.photo-tab.active{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}.tab-thumb{width:28px;height:40px;object-fit:cover;border-radius:3px}.text-editor{display:flex;gap:24px;align-items:flex-start}.canvas-wrap{flex-shrink:0;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.text-controls{flex:1}.btn-add-text{width:100%;padding:12px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:700;cursor:pointer;margin-bottom:16px;transition:opacity .2s}.btn-add-text:hover{opacity:.85}.text-edit-panel{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.panel-title{font-size:13px;font-weight:700;color:var(--text2);margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px}.text-input-field{width:100%;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:14px;padding:8px 12px;margin-bottom:12px}.control-row{display:flex;align-items:center;gap:8px;margin-bottom:10px;font-size:13px}.control-row label{color:var(--text2);min-width:32px}.control-row input[type=range]{flex:1}.control-row span{color:var(--text3);font-size:12px}.btn-apply{padding:6px 16px;background:var(--accent);color:#fff;border:none;border-radius:6px;font-size:13px;font-weight:700;cursor:pointer}.btn-delete{padding:6px 16px;background:var(--bg3);color:var(--text2);border:1px solid var(--border);border-radius:6px;font-size:13px;cursor:pointer}.api-key-section{margin-bottom:20px}.api-key-label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text2);margin-bottom:8px}.api-key-link{color:var(--accent);font-size:12px;text-decoration:none}.api-key-input{width:100%;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:14px;padding:10px 14px}.search-row{display:flex;gap:12px;margin-bottom:20px}.search-input{flex:1;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:14px;padding:10px 14px}.btn-search{padding:10px 24px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap}.btn-search:disabled{opacity:.5;cursor:not-allowed}.selected-music{display:flex;align-items:center;gap:10px;background:#22c55e1a;border:1px solid rgba(34,197,94,.3);border-radius:var(--radius-sm);padding:10px 16px;margin-bottom:16px;font-size:14px}.selected-label{color:var(--success)}.selected-name{flex:1;font-weight:500}.btn-clear-music{background:none;border:1px solid var(--border);color:var(--text2);font-size:12px;padding:4px 10px;border-radius:4px;cursor:pointer}.music-list{display:flex;flex-direction:column;gap:8px}.music-empty{text-align:center;padding:48px;color:var(--text3)}.music-empty-note{font-size:13px;margin-top:8px}.music-item{display:flex;align-items:center;gap:12px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 16px;transition:border-color .2s}.music-item.selected{border-color:var(--accent);background:var(--accent-glow)}.play-btn{width:36px;height:36px;background:var(--bg3);border:1px solid var(--border);border-radius:50%;color:var(--text);font-size:14px;cursor:pointer;flex-shrink:0;transition:all .2s}.play-btn:hover{background:var(--accent);border-color:var(--accent)}.music-info{flex:1}.music-name{font-size:14px;font-weight:500}.music-artist{font-size:12px;color:var(--text3);margin-top:2px}.btn-select-music{padding:6px 16px;background:var(--bg3);color:var(--text2);border:1px solid var(--border);border-radius:6px;font-size:13px;cursor:pointer;white-space:nowrap;transition:all .2s}.btn-select-music.active{background:var(--accent);color:#fff;border-color:var(--accent)}.summary-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;margin-bottom:24px}.summary-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--bg3);font-size:14px}.summary-row:last-child{border-bottom:none}.summary-label{color:var(--text2)}.summary-value{font-weight:500}.summary-photos{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}.summary-photo{position:relative}.summary-photo img{width:64px;height:90px;object-fit:cover;border-radius:6px;border:1px solid var(--border);display:block}.summary-photo-info{position:absolute;bottom:4px;left:0;right:0;display:flex;justify-content:space-between;padding:0 4px;font-size:10px;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.8)}.text-badge{background:var(--accent);color:#fff;font-size:9px;padding:1px 4px;border-radius:3px}.btn-generate{width:100%;padding:18px;background:linear-gradient(135deg,var(--accent),#ff6b35);color:#fff;border:none;border-radius:var(--radius);font-size:18px;font-weight:700;cursor:pointer;letter-spacing:.5px;box-shadow:0 8px 32px var(--accent-glow);transition:transform .2s,box-shadow .2s}.btn-generate:hover{transform:translateY(-2px);box-shadow:0 12px 40px var(--accent-glow)}.queue-badge{display:inline-flex;align-items:baseline;gap:6px;margin-bottom:16px}.queue-pos{font-size:56px;font-weight:700;font-family:Space Mono,monospace;background:linear-gradient(135deg,var(--accent),#ff9500);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1}.queue-label{font-size:20px;font-weight:500;color:var(--text2)}.queue-desc{font-size:14px;color:var(--text3);margin-bottom:24px}.queue-dots{display:flex;justify-content:center;gap:8px}.queue-dots span{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:queue-pulse 1.4s ease-in-out infinite}.queue-dots span:nth-child(2){animation-delay:.2s}.queue-dots span:nth-child(3){animation-delay:.4s}@keyframes queue-pulse{0%,80%,to{opacity:.2;transform:scale(.8)}40%{opacity:1;transform:scale(1.2)}}.progress-section{text-align:center;padding:32px}.progress-label{font-size:16px;margin-bottom:20px}.progress-bar-wrap{background:var(--bg3);border-radius:999px;height:8px;overflow:hidden;margin-bottom:12px}.progress-bar{height:100%;background:linear-gradient(90deg,var(--accent),#ff9500);border-radius:999px;transition:width .5s ease}.progress-pct{font-size:14px;color:var(--text2)}.done-section{text-align:center;padding:32px}.done-icon{font-size:56px;margin-bottom:16px}.done-title{font-size:22px;font-weight:700;margin-bottom:24px}.btn-download{display:inline-block;padding:14px 40px;background:linear-gradient(135deg,var(--accent),#ff6b35);color:#fff;text-decoration:none;border-radius:var(--radius);font-size:16px;font-weight:700;margin-bottom:32px;box-shadow:0 8px 32px var(--accent-glow)}.upload-guide{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;text-align:left;margin-bottom:24px}.guide-title{font-size:15px;font-weight:700;margin-bottom:12px}.guide-steps{padding-left:20px;display:flex;flex-direction:column;gap:8px}.guide-steps li{font-size:14px;color:var(--text2)}.guide-steps a{color:var(--accent)}.music-tip{background:#ff950014;border:1px solid rgba(255,149,0,.25);border-radius:var(--radius-sm);padding:12px 16px;font-size:13px;color:var(--warning);margin-bottom:20px;line-height:1.5}.btn-restart{padding:10px 28px;background:var(--bg2);color:var(--text2);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;cursor:pointer}.error-section{text-align:center;padding:32px}.error-title{font-size:20px;font-weight:700;color:var(--accent);margin-bottom:12px}.error-msg{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 16px;font-size:13px;color:var(--text3);margin-bottom:20px;text-align:left;font-family:monospace}.btn-retry{padding:10px 28px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:700;cursor:pointer}.nav-bar{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:900px;padding:16px 32px;background:#ffffffeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--border);box-shadow:0 -4px 24px #0000000f;display:flex;align-items:center;justify-content:space-between}.btn-back{padding:10px 24px;background:var(--bg2);color:var(--text2);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.btn-back:disabled{opacity:.3;cursor:not-allowed}.btn-back:not(:disabled):hover{border-color:var(--text2);color:var(--text)}.nav-step-info{font-size:13px;color:var(--text3);font-family:Space Mono,monospace}.btn-next{padding:10px 28px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:700;cursor:pointer;transition:opacity .2s;box-shadow:0 4px 16px var(--accent-glow)}.btn-next:disabled{opacity:.3;cursor:not-allowed}.btn-next:not(:disabled):hover{opacity:.85}.music-dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:56px 48px;text-align:center;cursor:pointer;transition:all .2s;background:var(--bg2);margin-bottom:20px}.music-dropzone:hover,.music-dropzone.active{border-color:var(--accent);background:#ff2d550d}.music-dz-icon{font-size:40px;margin-bottom:12px}.music-dz-text{font-size:15px;font-weight:500;margin-bottom:6px}.music-dz-hint{font-size:13px;color:var(--text3)}.music-file-card{display:flex;align-items:center;gap:12px;background:var(--bg2);border:1px solid var(--accent);border-radius:var(--radius);padding:16px 20px;margin-bottom:20px}.music-play-btn{width:40px;height:40px;background:var(--bg3);border:1px solid var(--border);border-radius:50%;color:var(--text);font-size:16px;cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:all .2s}.music-play-btn:hover{background:var(--accent);border-color:var(--accent)}.music-file-info{flex:1;min-width:0}.music-file-name{font-size:14px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.music-file-meta{font-size:12px;color:var(--text3);margin-top:3px}.music-file-change{padding:6px 14px;background:var(--bg3);color:var(--text2);border:1px solid var(--border);border-radius:6px;font-size:13px;cursor:pointer;white-space:nowrap;transition:border-color .2s}.music-file-change:hover{border-color:var(--text2)}.music-file-remove{width:30px;height:30px;background:none;border:1px solid var(--border);border-radius:6px;color:var(--text3);font-size:12px;cursor:pointer;flex-shrink:0;transition:all .2s}.music-file-remove:hover{border-color:var(--accent);color:var(--accent)}.music-skip-note{font-size:13px;color:var(--text3);text-align:center;margin-top:8px}.generate-actions{display:flex;flex-direction:column;gap:12px}.btn-preview{width:100%;padding:14px;background:var(--bg2);color:var(--text2);border:1px solid var(--border);border-radius:var(--radius);font-size:15px;font-weight:500;cursor:pointer;transition:border-color .2s,color .2s}.btn-preview:hover{border-color:var(--text2);color:var(--text)}.preview-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.preview-modal{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:16px;max-height:95vh;overflow-y:auto}.preview-header{display:flex;align-items:center;justify-content:space-between}.preview-title{font-size:15px;font-weight:700;color:var(--text)}.preview-close-btn{background:none;border:1px solid var(--border);color:var(--text2);width:28px;height:28px;border-radius:6px;cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center;transition:border-color .2s,color .2s}.preview-close-btn:hover{border-color:var(--text2);color:var(--text)}.preview-screen-wrap{display:flex;justify-content:center}.preview-screen{position:relative;overflow:hidden;border-radius:var(--radius-sm);border:1px solid var(--border);flex-shrink:0}.preview-bg{width:100%;height:100%;object-fit:cover;display:block}.preview-text{position:absolute;transform:translate(-50%,-50%);white-space:nowrap;font-family:sans-serif;pointer-events:none;line-height:1.2}.preview-dots{position:absolute;bottom:8px;left:0;right:0;display:flex;justify-content:center;gap:4px}.preview-dot{width:5px;height:5px;border-radius:50%;background:#ffffff59;transition:background .2s}.preview-dot.active{background:#fff}.preview-dot.done{background:#fff9}.preview-controls{display:flex;flex-direction:column;gap:10px}.preview-progress-wrap{height:4px;background:var(--bg3);border-radius:999px;overflow:hidden}.preview-progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#ff9500);border-radius:999px;transition:width .1s linear}.preview-btns{display:flex;align-items:center;gap:10px}.preview-ctrl-btn{width:32px;height:32px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text2);font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .2s}.preview-ctrl-btn:hover{border-color:var(--text2)}.preview-play-btn{width:44px;height:44px;background:var(--accent);border:none;border-radius:50%;color:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px var(--accent-glow);transition:opacity .2s}.preview-play-btn:hover{opacity:.85}.preview-time{font-size:13px;color:var(--text3);font-family:Space Mono,monospace;margin-left:auto}.preview-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text3)}.preview-music-label{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}input:focus{outline:1px solid var(--accent)}.step-tips{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;margin-bottom:28px}.step-tips-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text3);margin-bottom:14px}.step-tips-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}.step-tip-item{display:flex;align-items:flex-start;gap:10px}.step-tip-icon{font-size:18px;flex-shrink:0;width:26px;text-align:center;margin-top:1px}.step-tip-label{font-size:13px;font-weight:700;color:var(--text);margin-bottom:3px}.step-tip-text{font-size:12px;color:var(--text2);line-height:1.6}.tip-item{display:inline-block;background:var(--bg3);border:1px solid var(--border);border-radius:999px;padding:4px 12px;margin:4px 6px 0 0;font-size:12px;color:var(--text2)}.help-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:2000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:16px}.help-modal{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:600px;max-height:90vh;display:flex;flex-direction:column}.help-header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border);flex-shrink:0}.help-header-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700}.help-close{background:none;border:1px solid var(--border);color:var(--text2);width:30px;height:30px;border-radius:6px;cursor:pointer;font-size:13px;transition:border-color .2s}.help-close:hover{border-color:var(--text2)}.help-body{overflow-y:auto;flex:1;padding:8px 0}.help-section{border-bottom:1px solid var(--bg3)}.help-section:last-child{border-bottom:none}.help-section-header{width:100%;display:flex;align-items:center;gap:10px;padding:14px 20px;background:none;border:none;color:var(--text);cursor:pointer;text-align:left;transition:background 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