:root{--color-bg: #fafafa;--color-surface: #ffffff;--color-border: #e0e0e0;--color-text: #333333;--color-text-sub: #888888;--color-accent: #4a5568;--color-accent-hover: #2d3748;--color-selected: #4a5568;--color-dropzone-hover: #f7f7f8;--color-error: #dc2626;--radius: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,Segoe UI,Hiragino Kaku Gothic Pro,Yu Gothic,Noto Sans JP,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}#app{max-width:1200px;margin:0 auto;padding:1rem 1rem 1.5rem}.page-header{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:1.1rem}.page-header h1{font-size:1.8rem;font-weight:700;line-height:1.25;margin-bottom:.15rem}.page-header p{color:var(--color-text-sub);font-size:.95rem;max-width:720px}.locale-switcher{display:flex;align-self:flex-end;justify-content:flex-end;gap:.75rem;margin-bottom:.35rem;font-size:.9rem}.locale-switcher a{color:var(--color-accent);text-decoration:none;padding:.2rem .55rem;border-radius:999px;border:1px solid transparent}.locale-switcher a.is-current{border-color:var(--color-border);background:var(--color-surface);color:var(--color-text)}.noscript-note{margin:1rem 0;padding:.85rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface)}section{margin-bottom:1rem}.main-columns{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:start}.column{min-width:0}#dropzone{border:2px dashed var(--color-border);border-radius:var(--radius);padding:2rem 1rem;text-align:center;cursor:pointer;transition:background .15s,border-color .15s;background:var(--color-surface)}#dropzone.dragover{background:var(--color-dropzone-hover);border-color:var(--color-accent)}#dropzone p{font-size:1rem;color:var(--color-text-sub)}#dropzone .sub{font-size:.85rem;margin-top:.25rem}#file-status{display:flex;align-items:center;gap:.5rem;margin-top:.5rem;font-size:.85rem;color:var(--color-text-sub)}.link-btn{background:none;border:none;color:var(--color-accent);cursor:pointer;font-size:.85rem;text-decoration:underline;padding:0}#watermark-section{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;font-size:.9rem}#watermark-section label{display:flex;align-items:center;gap:.3rem;cursor:pointer}#custom-watermark-input{margin-left:.5rem}.text-input-row{display:flex;align-items:center;gap:.5rem}#wm-text-input{flex:1;max-width:280px;padding:.35rem .5rem;border:1px solid var(--color-border);border-radius:4px;font-size:.9rem;font-family:inherit;color:var(--color-text);background:var(--color-bg)}#wm-text-input:focus{outline:none;border-color:var(--color-accent)}#wm-text-input.over-limit{border-color:var(--color-error)}#text-count{font-size:.8rem;color:var(--color-text-sub);white-space:nowrap}#controls-section{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1rem 1.25rem}.control-row{margin-bottom:1rem}.control-row:last-child{margin-bottom:0}.control-row>label{display:block;font-size:.85rem;font-weight:600;margin-bottom:.4rem;color:var(--color-text-sub)}.position-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;max-width:240px}.pos-cell{border:1px solid var(--color-border);border-radius:4px;background:var(--color-bg);padding:.3rem 0;cursor:pointer;font-size:.75rem;color:var(--color-text-sub);transition:background .1s,border-color .1s}.pos-cell:hover{border-color:var(--color-accent);background:var(--color-dropzone-hover)}.pos-cell.selected{border-color:var(--color-selected);background:var(--color-selected);color:#fff;font-weight:600}.slider-row{display:flex;align-items:center;gap:.75rem}.slider-row input[type=range]{flex:1;max-width:240px}.slider-row span{font-size:.85rem;min-width:3em;color:var(--color-text-sub)}.column-right{display:flex;flex-direction:column}#progress-text{font-size:.8rem;color:var(--color-text-sub)}#progress-text:empty{display:none}#results-list{display:flex;flex-direction:column;gap:.5rem;max-height:70vh;overflow-y:auto}.result-card{display:flex;flex-direction:column;gap:.4rem;padding:.75rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius)}.result-thumb-wrap{position:relative;width:100%}.result-thumb{width:100%;max-height:300px;object-fit:contain;border-radius:4px;display:block}.result-spinner{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:#fff9;border-radius:4px}.result-spinner.active{display:flex}.result-spinner .spinner{width:20px;height:20px;border-width:2px}.spinner{width:32px;height:32px;border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-footer{display:flex;align-items:center;gap:.5rem}.result-info{flex:1;min-width:0}.result-filename{display:block;font-size:.8rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--color-text-sub)}.result-error{display:block;font-size:.75rem;color:var(--color-error)}.result-actions{display:flex;align-items:center;gap:.4rem;flex-shrink:0}.result-download{padding:.3rem .6rem;background:var(--color-accent);color:#fff;border-radius:4px;font-size:.8rem;text-decoration:none;font-weight:600;white-space:nowrap}.result-download:hover{background:var(--color-accent-hover)}.result-remove{background:none;border:1px solid var(--color-border);border-radius:4px;padding:.15rem .45rem;cursor:pointer;font-size:1rem;color:var(--color-text-sub);line-height:1}.result-remove:hover{border-color:var(--color-error);color:var(--color-error)}#download-all-section{text-align:center;margin-top:.75rem}#download-all-btn{padding:.6rem 1.5rem;background:var(--color-accent);color:#fff;border:none;border-radius:var(--radius);font-size:.9rem;font-weight:600;cursor:pointer;transition:background .15s}#download-all-btn:hover{background:var(--color-accent-hover)}#error-box{text-align:center;color:var(--color-error);font-size:.9rem;padding:.75rem;border:1px solid var(--color-error);border-radius:var(--radius);background:#fef2f2;margin:1rem 0}footer{text-align:center;margin-top:2rem;padding-top:1rem;border-top:1px solid var(--color-border);color:var(--color-text-sub);font-size:.8rem}.footer-ad{max-width:960px;margin:0 auto 1rem;padding:.5rem 0}.site-footer-ad{display:block;width:100%;min-height:90px}footer a{color:var(--color-accent);text-decoration:none}@media(max-width:768px){.main-columns{grid-template-columns:1fr}.position-grid{max-width:180px}#dropzone{padding:2rem .5rem}}