:root{--bg: #f4f4f5;--panel: #ffffff;--ink: #1a1a1a;--muted: #6b7280;--line: #d4d4d8;--accent: #1a1a1a;--danger: #b91c1c;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif;font-size:16px;line-height:1.6;overscroll-behavior-y:none}.app{max-width:640px;margin:0 auto;padding:0 12px calc(24px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:12px}.app-header{display:flex;align-items:baseline;justify-content:space-between;padding:12px 4px 0}.app-header h1{margin:0;font-size:1.25rem;letter-spacing:.02em}.app-subtitle{color:var(--muted);font-size:.85rem;font-variant-numeric:tabular-nums}.app-main{display:flex;flex-direction:column;gap:6px}.crop-canvas{width:100%;display:block;background:#fff;border:1px solid var(--line);border-radius:4px;touch-action:none;user-select:none;-webkit-user-select:none}.dropzone{border:2px dashed var(--line);border-radius:8px;padding:48px 16px;text-align:center;color:var(--muted);background:var(--panel)}.dropzone p{margin:4px 0}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px;display:flex;flex-direction:column;gap:10px}.panel-title{margin:0;font-size:.95rem;font-weight:600}.field{display:flex;flex-direction:column;gap:4px}.field-label{font-size:.85rem;color:var(--muted)}.field-control{min-height:44px;padding:0 10px;font-size:1rem;border:1px solid var(--line);border-radius:6px;background:#fff;color:inherit;width:100%}.checkbox{display:flex;align-items:center;gap:8px;min-height:44px;font-size:.95rem}.checkbox input{width:20px;height:20px}.button-row{display:flex;gap:8px}button{flex:1;min-height:44px;padding:0 12px;font-size:1rem;font-family:inherit;border:1px solid var(--line);border-radius:6px;background:#fff;color:inherit;cursor:pointer}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.danger{color:var(--danger)}button.link{flex:0 0 auto;min-height:0;padding:0 6px;border:none;background:none;text-decoration:underline;font-size:.85rem}.page-list{list-style:none;margin:0;padding:0 0 4px;display:flex;gap:10px;overflow-x:auto}.page-item{flex:0 0 auto;display:flex;flex-direction:column;gap:4px}.page-thumb-button{position:relative;flex:0 0 auto;padding:0;min-height:0;border:2px solid transparent;border-radius:4px;overflow:hidden;line-height:0;background:none}.page-item.selected .page-thumb-button{border-color:var(--accent)}.page-thumb{display:block;width:66px;height:auto;background:#fff}.page-index{position:absolute;left:0;bottom:0;padding:1px 5px;font-size:.75rem;line-height:1.4;background:#0009;color:#fff;font-variant-numeric:tabular-nums}.page-actions{display:flex;gap:2px}.page-actions button{min-height:32px;padding:0;font-size:.9rem}.segmented{display:flex;gap:0;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:var(--panel)}.segment{border:none;border-radius:0;background:none;font-size:.9rem}.segment+.segment{border-left:1px solid var(--line)}.segment.active{background:var(--accent);color:#fff}.note{margin:0;font-size:.9rem;color:var(--muted)}.note.error{color:var(--danger)}.hint{margin:0;font-size:.8rem;color:var(--muted)}.canvas-hint{padding:0 4px}.empty-note{margin:0;font-size:.9rem;color:var(--muted)}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em}