:root{color-scheme:light;--bg:#f5f7fb;--surface:#fff;--surface-2:#f8faff;--text:#18263d;--muted:#718096;--line:#e4eaf3;--brand:#2864dc;--brand-dark:#194db7;--brand-soft:#edf3ff;--cyan:#19a6c9;--success:#16835f;--danger:#c74444;--shadow:0 12px 36px rgba(27,48,83,.07);--radius:20px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",Meiryo,sans-serif;line-height:1.55;min-height:100vh}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}.icon-defs{position:absolute;width:0;height:0;overflow:hidden}.icon{width:19px;height:19px;display:inline-block;vertical-align:middle;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:none}.topbar{height:72px;padding:0 max(24px,calc((100vw - 1160px)/2));display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.86);border-bottom:1px solid var(--line);backdrop-filter:blur(16px);position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none}.brand-mark{width:40px;height:40px;background:linear-gradient(145deg,#2864dc,#18a4c7);border-radius:13px;color:#fff;display:grid;place-items:center;box-shadow:0 5px 12px rgba(40,100,220,.2)}.brand-mark .icon{width:24px;height:24px}.brand-name{font-size:20px;font-weight:800;letter-spacing:-.6px;line-height:1}.brand-name>span{color:var(--brand)}.brand-name small{display:block;font-size:9px;color:var(--muted);font-weight:700;letter-spacing:1.4px;margin-top:5px}.top-actions{display:flex;align-items:center;gap:14px}.privacy-chip{display:flex;align-items:center;gap:7px;color:var(--success);font-size:12px;font-weight:700;background:#eaf7f1;border-radius:30px;padding:8px 12px}.privacy-chip .icon{width:15px;height:15px}.icon-button{width:39px;height:39px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--muted);display:grid;place-items:center}.container{max-width:1160px;margin:0 auto;padding:42px 24px 24px}.hero{padding:10px 0 30px}.eyebrow{display:flex;align-items:center;gap:8px;font-size:10px;letter-spacing:1.8px;font-weight:800;color:var(--brand)}.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(25,166,201,.1)}h1{font-size:clamp(30px,5vw,43px);letter-spacing:-1.8px;margin:11px 0 5px;line-height:1.2;font-weight:800}h1 span{color:var(--brand)}.hero p{color:var(--muted);margin:9px 0 0;font-size:14px}.tabs{display:flex;gap:5px;padding:5px;background:#e9eef7;border-radius:15px;width:max-content;max-width:100%;margin-bottom:20px}.tab{border:0;background:transparent;padding:11px 17px;border-radius:11px;color:#66758d;font-size:13px;font-weight:750;display:flex;align-items:center;gap:8px;white-space:nowrap}.tab .icon{width:17px;height:17px}.tab.active{background:var(--surface);color:var(--brand);box-shadow:0 2px 8px rgba(34,54,90,.08)}.tab-panel{display:none}.tab-panel.active{display:block}.generator-grid,.scanner-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(320px,.88fr);gap:20px;align-items:stretch}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:25px}.editor-card,.preview-card,.scanner-card,.result-card{min-width:0}.card-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}.card-heading h2{font-size:18px;letter-spacing:-.4px;margin:3px 0 0;font-weight:800}.step-label{font-size:9px;letter-spacing:1.7px;color:var(--brand);font-weight:850}.heading-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--brand-soft);color:var(--brand)}.kind-switch{display:grid;grid-template-columns:1fr 1fr;gap:4px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:4px;margin-bottom:19px}.kind-button{display:flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:9px;background:transparent;color:var(--muted);font-size:12px;font-weight:750;padding:10px}.kind-button .icon{width:16px;height:16px}.kind-button.active{background:#eaf1ff;color:var(--brand);box-shadow:0 1px 4px rgba(20,50,100,.06)}.field-label{display:block;font-size:12px;font-weight:750;color:var(--text);margin:0 0 7px}.spaced{margin-top:15px}textarea,input[type=text],select{width:100%;border:1px solid #dbe3ef;background:#fbfcff;color:var(--text);border-radius:11px;padding:11px 13px;outline:none;transition:border-color .16s,box-shadow .16s}textarea{resize:vertical;min-height:116px;line-height:1.6}textarea:focus,input[type=text]:focus,select:focus{border-color:#7da2ed;box-shadow:0 0 0 3px rgba(40,100,220,.1)}textarea::placeholder,input::placeholder{color:#a1adbf}.field-foot{display:flex;justify-content:space-between;color:#9aa6b7;font-size:10px;margin-top:6px}.checkbox-row{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:12px;color:var(--muted)}.checkbox-row input{accent-color:var(--brand);width:15px;height:15px}.divider{height:1px;background:var(--line);margin:22px 0}.card-heading.compact{margin-bottom:14px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.setting select{font-size:12px;padding:10px}.color-control{height:39px;display:flex;align-items:center;gap:9px;padding:4px 9px;border:1px solid #dbe3ef;border-radius:10px;background:#fbfcff}.color-control input{width:26px;height:26px;border:0;padding:0;background:transparent;cursor:pointer}.color-control input::-webkit-color-swatch-wrapper{padding:0}.color-control input::-webkit-color-swatch{border:1px solid #d3dce9;border-radius:6px}.color-control span{font-size:11px;color:var(--muted);font-weight:650;letter-spacing:.3px}.hint{font-size:10px;color:#8a97a9;line-height:1.6;margin:12px 0 17px}.primary-button,.outline-button,.download-button,.upload-button{display:inline-flex;justify-content:center;align-items:center;gap:9px;border-radius:11px;padding:12px 16px;font-weight:750;font-size:12px;transition:transform .15s,background .15s,border-color .15s}.primary-button{border:1px solid var(--brand);background:var(--brand);color:#fff;box-shadow:0 5px 12px rgba(40,100,220,.17)}.primary-button:hover{background:var(--brand-dark);transform:translateY(-1px)}.primary-button .icon,.outline-button .icon{width:17px;height:17px}.full-button{width:100%;padding:14px}.outline-button{background:var(--surface);color:var(--text);border:1px solid var(--line)}.outline-button:hover,.download-button:hover{border-color:#9db7ec;background:var(--brand-soft)}.error-message{color:var(--danger);font-size:11px;margin:10px 0 0;background:#fff1f1;padding:9px 11px;border-radius:9px}.preview-card{display:flex;flex-direction:column}.ready-badge{font-size:10px;border:1px solid var(--line);border-radius:30px;color:var(--muted);padding:5px 10px;font-weight:700}.ready-badge.ready{color:var(--success);background:#eaf7f1;border-color:#d5eee3}.qr-preview-wrap{display:grid;place-items:center;flex:1;min-height:350px;border:1px dashed #d9e2ef;border-radius:16px;background:repeating-linear-gradient(45deg,#fbfcff,#fbfcff 10px,#f7f9fd 10px,#f7f9fd 20px);padding:22px}.preview-empty,.scan-result-empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:7px;color:var(--muted)}.preview-empty strong,.scan-result-empty strong{font-size:12px;color:#62718a}.preview-empty>span:last-child,.scan-result-empty>span:last-child{font-size:10px}.empty-qr{width:61px;height:61px;border-radius:17px;display:grid;place-items:center;background:#eaf1ff;color:var(--brand);margin-bottom:5px}.empty-qr .icon{width:30px;height:30px}.qr-preview-wrap canvas{display:block;max-width:100%;height:auto;max-height:400px;object-fit:contain;box-shadow:0 10px 25px rgba(20,35,59,.09);border-radius:4px}.qr-meta{display:flex;justify-content:center;gap:15px;color:var(--muted);font-size:10px;margin:11px 0 0}.download-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:15px}.download-button{background:var(--brand);border:1px solid var(--brand);color:white;padding:12px 10px}.download-button.secondary{background:var(--surface);color:var(--brand);border-color:#ccdaf5}.download-button .icon{width:16px;height:16px}.text-button{border:0;background:transparent;color:var(--brand);font-weight:700;font-size:11px;padding:10px}.copy-data-button{align-self:center;display:flex;align-items:center;gap:7px}.copy-data-button[hidden]{display:none}.privacy-note{display:flex;align-items:flex-start;gap:8px;border-top:1px solid var(--line);padding-top:14px;margin-top:17px;color:#8a97a9;font-size:10px;line-height:1.6}.privacy-note .icon{width:15px;height:15px;color:var(--success)}.scanner-card,.result-card{display:flex;flex-direction:column}.camera-frame{position:relative;aspect-ratio:4/3;background:#101b2d;border-radius:15px;overflow:hidden;display:grid;place-items:center}.camera-frame video{width:100%;height:100%;object-fit:cover}.camera-placeholder{display:flex;flex-direction:column;align-items:center;gap:7px;color:#c3d0e4;text-align:center;padding:20px}.camera-placeholder strong{font-size:12px;color:#fff}.camera-placeholder>span:last-child{font-size:10px;color:#91a2bb}.camera-placeholder-icon{width:53px;height:53px;border-radius:16px;border:1px solid #40516a;display:grid;place-items:center;margin-bottom:4px}.camera-placeholder-icon .icon{width:25px;height:25px}.scan-guide{position:absolute;inset:15%;pointer-events:none;display:none}.camera-frame.scanning .scan-guide{display:block}.scan-guide:before,.scan-guide:after,.scan-guide span:before,.scan-guide span:after{content:"";position:absolute;width:25px;height:25px;border-color:#fff;border-style:solid}.scan-guide:before{top:0;left:0;border-width:3px 0 0 3px}.scan-guide:after{top:0;right:0;border-width:3px 3px 0 0}.scan-guide span:before{bottom:0;left:0;border-width:0 0 3px 3px}.scan-guide span:after{bottom:0;right:0;border-width:0 3px 3px 0}.scanner-controls{display:flex;gap:9px;margin-top:14px}.scanner-controls .primary-button{flex:1}.or-divider{display:flex;align-items:center;gap:10px;color:#a4afbf;font-size:10px;margin:16px 0}.or-divider:before,.or-divider:after{content:"";height:1px;background:var(--line);flex:1}.upload-button{border:1px dashed #b8c8e1;background:var(--surface-2);color:var(--brand);cursor:pointer}.upload-button:hover{background:var(--brand-soft)}.upload-button.disabled{opacity:.45;cursor:not-allowed;pointer-events:none}.center-hint{text-align:center;margin-bottom:0}.scan-result-empty{justify-content:center;flex:1;min-height:250px;border:1px dashed var(--line);border-radius:14px;background:var(--surface-2);padding:24px}.result-actions{display:flex;gap:9px;margin-top:12px}.result-actions>*{flex:1}.subheading{font-size:11px;color:var(--muted);margin:4px 0 0}.small-button{font-size:11px;padding:9px 11px;white-space:nowrap}.history-list{display:flex;flex-direction:column;gap:8px}.history-empty{padding:38px 15px;text-align:center;border:1px dashed var(--line);border-radius:14px;color:var(--muted);font-size:12px}.history-item{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--surface-2)}.history-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:var(--brand-soft);color:var(--brand)}.history-body{min-width:0;flex:1}.history-title{font-size:12px;font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-date{font-size:10px;color:var(--muted);margin-top:3px}.history-use{border:1px solid var(--line);background:var(--surface);color:var(--brand);border-radius:9px;font-weight:700;font-size:10px;padding:8px 10px}.footer{display:flex;align-items:center;gap:12px;margin-top:31px;padding:18px 3px;color:#95a1b2;font-size:10px}.footer-brand{display:flex;align-items:center;gap:7px;color:var(--text);font-size:11px;font-weight:800}.small-mark{width:25px;height:25px;border-radius:8px}.small-mark .icon{width:16px;height:16px}.footer-local{margin-left:auto}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#17263f;color:#fff;padding:11px 17px;border-radius:12px;box-shadow:0 10px 35px rgba(0,0,0,.2);font-size:12px;font-weight:650;z-index:20;transition:opacity .2s,transform .2s;max-width:calc(100vw - 32px);text-align:center}.toast.show{opacity:1;transform:translate(-50%,0)}[hidden]{display:none!important}
:root[data-theme="dark"]{color-scheme:dark;--bg:#0d1524;--surface:#142035;--surface-2:#101b2d;--text:#edf3fc;--muted:#91a0b7;--line:#293851;--brand:#78a4ff;--brand-dark:#5b8cf3;--brand-soft:#1b3154;--success:#63d5a4;--danger:#ff8585;--shadow:0 12px 36px rgba(0,0,0,.18)}:root[data-theme="dark"] .topbar{background:rgba(15,25,42,.88)}:root[data-theme="dark"] .privacy-chip{background:#15362e}:root[data-theme="dark"] .tabs{background:#18263b}:root[data-theme="dark"] .tab.active{background:#23334d}:root[data-theme="dark"] .kind-switch{background:#101b2d}:root[data-theme="dark"] .kind-button.active{background:#1e355b}:root[data-theme="dark"] textarea,:root[data-theme="dark"] input[type=text],:root[data-theme="dark"] select,:root[data-theme="dark"] .color-control{background:#0e192b;border-color:#30405a;color:var(--text)}:root[data-theme="dark"] .color-control span{color:#afbdd0}:root[data-theme="dark"] .qr-preview-wrap{background:repeating-linear-gradient(45deg,#101b2d,#101b2d 10px,#142137 10px,#142137 20px);border-color:#34445d}:root[data-theme="dark"] .preview-empty strong,:root[data-theme="dark"] .scan-result-empty strong{color:#c4d0e1}:root[data-theme="dark"] .scan-result-empty{background:#101b2d}:root[data-theme="dark"] .outline-button,:root[data-theme="dark"] .download-button.secondary,:root[data-theme="dark"] .history-use{background:#142035;color:#b9cefa;border-color:#354866}:root[data-theme="dark"] .upload-button{background:#101b2d;border-color:#455c7d;color:#b9cefa}:root[data-theme="dark"] .error-message{background:#3a2229}:root[data-theme="dark"] .ready-badge.ready{background:#15362e;border-color:#235642}
@media(max-width:820px){.container{padding-top:28px}.generator-grid,.scanner-grid{grid-template-columns:1fr}.preview-card{min-height:500px}.qr-preview-wrap{min-height:330px}.footer{flex-wrap:wrap}.footer-local{width:100%;margin-left:0}}@media(max-width:520px){.topbar{height:62px;padding:0 15px}.privacy-chip{padding:7px 9px}.privacy-chip span{display:none}.container{padding:25px 14px 18px}.hero{padding-bottom:23px}h1{font-size:31px}.hero p{font-size:12px}.tabs{width:100%;justify-content:space-between}.tab{padding:10px 9px;font-size:11px;gap:5px}.tab .icon{width:15px;height:15px}.card{padding:18px;border-radius:16px}.settings-grid{gap:10px}.qr-preview-wrap{min-height:290px;padding:14px}.qr-preview-wrap canvas{max-height:320px}.download-actions{grid-template-columns:1fr}.footer{gap:8px}.footer>span:nth-child(2){margin-left:auto}.footer-local{margin-top:3px}}