:root{--bg:#f3f5f7;--surface:#fff;--ink:#15202b;--muted:#5b6775;--line:#d7dee7;--accent:#0b6e4f;--accent-ink:#fff;--danger:#b42318;--warn:#9a6700;--ok:#0b6e4f;--shadow:0 10px 30px #15202b14;--radius:16px;--tap:48px;color:var(--ink);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Segoe UI,sans-serif;line-height:1.55}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:radial-gradient(1200px 500px at 10% -10%, #e7f2ec 0%, transparent 55%), radial-gradient(900px 420px at 100% 0%, #e8eef8 0%, transparent 50%), var(--bg)}a{color:var(--accent)}button,input{font:inherit}.page{width:min(1100px,100% - 32px);margin:0 auto;padding:24px 0 80px}.brand{letter-spacing:.02em;margin:0 0 8px;font-size:1.05rem;font-weight:700}.hero-simple h1,.site-header h1,.guide-hero h1{margin:0 0 10px;font-size:clamp(1.7rem,3vw,2.3rem);line-height:1.25}.lede,.hero-simple p,.guide-hero .flow{color:var(--muted);margin:0 0 16px}.breadcrumb{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;font-size:.95rem;display:flex}.breadcrumb a{color:inherit;text-decoration:none}.breadcrumb a:hover,.breadcrumb a:focus-visible{color:var(--accent);text-decoration:underline}.privacy-badge,.privacy-banner{color:#0b4f39;background:#e8f6ef;border-radius:999px;margin:0 0 12px;padding:10px 14px;font-weight:600;display:inline-block}.privacy-banner{border-radius:12px;margin-top:20px;display:block}.save-status{color:var(--muted);margin:0;font-size:.95rem}.card-list{gap:16px;margin-top:28px;display:grid}.tool-card,.panel,.restore-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);color:inherit;text-decoration:none;display:block}.tool-card{padding:22px}.tool-card h2{margin:0 0 8px}.tool-card p{color:var(--muted);margin:0}.panel{margin-bottom:18px;padding:20px}.panel-head{flex-wrap:wrap;justify-content:space-between;gap:8px;margin-bottom:16px;display:flex}.panel-head h2{margin:0;font-size:1.2rem}.panel-head p{color:var(--muted);margin:0}.btn{min-height:var(--tap);border:1px solid var(--line);color:var(--ink);cursor:pointer;background:#fff;border-radius:12px;padding:0 18px}.btn:hover,.btn:focus-visible{border-color:#9db0c3}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn-primary:hover,.btn-primary:focus-visible{filter:brightness(1.05);border-color:var(--accent)}.btn-ghost{background:0 0}.btn-danger{color:var(--danger);border-color:#f0b4ae}.btn-small{min-height:40px;padding:0 12px;font-size:.95rem}.btn-large{min-height:56px;padding:0 28px;font-size:1.05rem;font-weight:700}.dropzone{border:2px dashed var(--line);background:#fafbfc;border-radius:14px;justify-items:start;gap:12px;padding:20px;display:grid}.dropzone.is-dragging{border-color:var(--accent);background:#eef8f3}.dropzone-hint,.hint,.empty-hint,.disclaimer{color:var(--muted)}.count-panel{gap:14px;display:grid}.count-display{background:#f7f9fb;border-radius:12px;gap:4px;padding:16px;display:grid}.count-display strong{font-size:1.6rem}.count-display.is-ok{background:#e8f6ef}.count-display.is-ng{background:#fff4e5}.bg-switch{flex-wrap:wrap;gap:8px;display:flex}.bg-switch button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:999px;min-height:40px;padding:0 12px}.bg-switch button.is-active{background:var(--ink);border-color:var(--ink);color:#fff}.stamp-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;display:grid}.stamp-card{border:1px solid var(--line);background:#fff;border-radius:14px;gap:10px;padding:12px;display:grid}.stamp-card-top{justify-content:space-between;align-items:center;gap:8px;display:flex}.stamp-number{font-variant-numeric:tabular-nums;font-weight:800}.drag-handle{border:1px solid var(--line);cursor:grab;touch-action:none;background:#f7f9fb;border-radius:10px;min-height:40px;padding:0 10px;font-size:.9rem}.stamp-preview-btn{cursor:pointer;background:0 0;border:0;width:100%;padding:0;display:block}.stamp-preview{border:1px solid var(--line);border-radius:10px;width:100%}.stamp-meta{color:var(--warn);margin:0;font-size:.85rem}.stamp-card-actions{grid-template-columns:repeat(3,1fr);gap:6px;display:grid}.special-layout{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.special-preview{border:1px solid var(--line);border-radius:12px;width:100%;position:relative;overflow:hidden}.special-preview img{pointer-events:none;position:absolute;top:0;left:0}.special-preview .placeholder{height:100%;color:var(--muted);place-items:center;display:grid}.special-actions{gap:10px;min-width:min(100%,260px);display:grid}.special-source{color:var(--muted);margin:0}.stamp-picker{border-top:1px solid var(--line);margin-top:16px;padding-top:16px}.stamp-picker-grid{grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:10px;display:grid}.stamp-picker-grid button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:12px;gap:6px;padding:8px;display:grid}.stamp-picker-grid button.is-active{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.stamp-picker-grid img{aspect-ratio:1;object-fit:contain;background:#f3f5f7;border-radius:8px;width:100%}.check-list{gap:10px;margin:0;padding:0;list-style:none;display:grid}.check-item{align-items:flex-start;gap:10px;display:flex}.check-mark{width:1.4rem;font-weight:800}.level-ok .check-mark{color:var(--ok)}.level-warn .check-mark{color:var(--warn)}.level-error .check-mark{color:var(--danger)}.check-summary{margin:16px 0 0;font-weight:700}.check-summary.is-ok{color:var(--ok)}.check-summary.is-ng{color:var(--danger)}.field{gap:8px;margin-bottom:16px;display:grid}.zip-name-row{align-items:center;gap:8px;display:flex}.zip-name-row input{min-height:var(--tap);border:1px solid var(--line);border-radius:12px;flex:1;padding:0 14px}.zip-ext{color:var(--muted);font-weight:700}.notice{background:#f7f9fb;border-radius:12px;flex-wrap:wrap;align-items:center;gap:10px;margin:12px 0 0;padding:12px 14px;display:flex}.notice-warn{color:#7a5200;background:#fff4e5}.editor-margin-notice{min-height:3.2em;margin-top:12px}.editor-margin-notice.is-placeholder{visibility:hidden}.notice-error{color:var(--danger);white-space:pre-wrap;background:#fdeceb}.modal-backdrop{z-index:40;background:#0f172a8c;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.modal-panel{width:min(920px,100%);max-height:min(96vh,100%);box-shadow:var(--shadow);background:#fff;border-radius:18px;padding:18px;overflow:auto}.modal-header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;display:flex}.modal-header h2{margin:0}.modal-toolbar{margin-bottom:12px}.editor-stage-wrap{justify-content:center;width:100%;display:flex}.editor-stage{border:1px solid var(--line);border-radius:0;max-width:100%;max-height:min(58vh,520px);position:relative;overflow:hidden}.editor-canvas{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;position:absolute;inset:0}.editor-canvas>img{z-index:0}.editor-svg{z-index:1;width:100%;height:100%;display:block;position:absolute;inset:0;overflow:visible}.zoom-row{grid-template-columns:auto 1fr auto;align-items:center;gap:12px;margin:14px 0;display:grid}.zoom-row input{width:100%}.modal-actions{flex-wrap:wrap;gap:10px;display:flex}.undo-toast{z-index:50;color:#fff;box-shadow:var(--shadow);background:#15202b;border-radius:999px;align-items:center;gap:12px;padding:12px 16px;display:flex;position:fixed;bottom:20px;left:50%;transform:translate(-50%)}.restore-card{text-align:center;padding:28px}.restore-actions{flex-wrap:wrap;justify-content:center;gap:12px;margin:20px 0;display:flex}.guide-hero{padding:28px 0 10px}.guide-section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-top:28px;padding:22px}.guide-section h2{margin:0 0 12px}.feature-list,.steps{gap:8px;margin:0;padding-left:1.2rem;display:grid}.link-row{flex-wrap:wrap;gap:16px;margin-top:16px;display:flex}.guide-cta{margin-top:28px}.disclaimer{margin-top:28px;font-size:.92rem}@media (width<=720px){.page{width:min(100% - 20px,1100px);padding-top:16px}.stamp-card-actions{grid-template-columns:1fr}.modal-panel{padding:14px}.modal-actions .btn{flex:calc(50% - 10px)}}