:root{color-scheme:light;--ink:#233e32;--muted:#708078;--green:#21563f;--lime:#dff2b8;--line:#e3e8df;--paper:#f7f8f2;--white:#fff;--radius:18px;font-family:Inter,"Segoe UI","Noto Sans JP","Yu Gothic UI",Meiryo,sans-serif;color:var(--ink);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--paper);font-size:14px}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.42}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #94b877;outline-offset:3px}button{transition:background .15s,transform .15s}button:not(:disabled):active{transform:translateY(1px)}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.site-header,main,.site-footer{max-width:1360px;margin:auto}.site-header{height:100px;padding:0 44px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;font-size:31px;letter-spacing:-1.6px;font-weight:750}.brand-dot{color:#669d50}.beta{font-size:9px;letter-spacing:1.3px;border:1px solid #cfdbcb;padding:4px 6px;border-radius:5px;font-weight:600;margin-left:3px}.header-right{display:flex;align-items:center;gap:30px;font-size:12px}.header-right>a{font-weight:650}.local-badge{display:flex;align-items:center;gap:7px;color:#53674e}.dot{width:6px;height:6px;border-radius:50%;background:#6a9554;display:inline-block;flex:none}main{padding:0 44px}.intro{padding:43px 0 35px;display:flex;align-items:center;justify-content:space-between;gap:30px}.eyebrow{font-size:10px;letter-spacing:2.5px;font-weight:700;color:#618154;margin:0 0 13px}h1{font-size:clamp(25px,2.9vw,38px);line-height:1.5;letter-spacing:-1.1px;margin:0;font-weight:750}.lead{margin:12px 0 0;color:#718075;font-size:13px;line-height:1.9}.intro-note{display:flex;align-items:center;gap:15px;margin-right:20px;transform:rotate(-3deg)}.note-icon{font-size:48px;color:#87a768;font-weight:300}.intro-note p{font-size:12px;line-height:1.9;color:#72816d}.intro-note 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10px;border-radius:10px;color:var(--ink);font-size:13px;font-weight:600}.upload-button:hover{background:#eef5e6}.upload-symbol{font-size:27px;line-height:1;font-weight:300;color:#587849}.upload-sub{display:block;font-size:10px;font-weight:400;color:var(--muted);margin-top:5px}.small-note{font-size:10px;text-align:center;line-height:1.9;color:#88918a;margin:10px 0}.small-note kbd{font:inherit;border:1px solid #e2e5dd;padding:0 3px;border-radius:3px}.text-button{background:none;border:0;padding:3px 0;font-size:11px;font-weight:600;color:var(--green)}#demo{display:block;margin:10px auto 0}.muted{color:var(--muted)}.field-label{display:block;margin:16px 0 8px;font-size:11px;font-weight:550}textarea{width:100%;border:1px solid #dbe3d6;border-radius:9px;padding:11px 12px;color:var(--ink);line-height:1.8;font-size:12px;resize:vertical;min-height:90px;background:#fdfefa}textarea::placeholder{color:#9aab94}.field-caption{display:flex;justify-content:space-between;gap:4px;color:#889283;font-size:9px;margin:5px 0 16px}.button{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;border:0;border-radius:9px;padding:13px 10px;font-weight:600;font-size:12px}.button svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.primary{background:var(--green);color:#fff}.primary:not(:disabled):hover{background:#123d2c}.status{font-size:10px;color:var(--muted);line-height:1.8;min-height:18px;margin:10px 0 0;overflow-wrap:anywhere}.status.error{color:#a24938}progress{width:100%;height:5px;accent-color:var(--green);margin-top:12px}#cancel{font-size:10px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:4px}.count{font-size:10px;background:#f0f3eb;color:#687d60;border-radius:20px;padding:4px 7px;white-space:nowrap}.empty-list{font-size:11px;color:#96a08f;margin:16px 0}.mask-list{max-height:160px;overflow:auto;margin-top:13px}.mask-row{display:flex;align-items:center;gap:8px;padding:9px 0;border-bottom:1px solid #f0f2eb;font-size:11px}.mask-row label{display:flex;align-items:center;gap:8px;min-width:0;flex:1;cursor:pointer}.mask-row label span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mask-row .mask-kind{font-size:9px;color:#889283}.remove-mask{border:0;background:#f2f4ed;color:#768470;border-radius:5px;padding:1px 6px;font-size:15px}input[type=checkbox]{accent-color:var(--green);width:14px;height:14px;flex:none;margin:0}.review-note{font-size:10px;line-height:1.9;color:#85907f;margin:14px 0}.review-check{display:flex;gap:8px;font-size:10px;align-items:center;margin:16px 0;cursor:pointer}.download{background:var(--lime);color:#274833}.download:not(:disabled):hover{background:#cee999}.save-status{font-size:10px;line-height:1.7;color:var(--green);margin:8px 0 0}.save-status:empty{display:none}.editor{border:1px solid var(--line);border-radius:var(--radius);background:white;overflow:hidden;position:sticky;top:20px}.editor-header{display:flex;justify-content:space-between;gap:12px;padding:21px 23px;align-items:center;border-bottom:1px solid var(--line)}.editor-title{display:flex;align-items:center;gap:9px;min-width:0}.editor-title h2{font-size:12px;white-space:nowrap}.live-dot{width:6px;height:6px;background:#93ae78;border-radius:50%}#image-meta{font-size:10px;color:#8e9787;margin-left:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.toolbar{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:12px 19px;background:#fdfefb;border-bottom:1px solid var(--line)}.segmented{display:flex;gap:3px;background:#edf1e7;border:1px solid #e7ebdf;padding:3px;border-radius:7px}.segmented button{border:0;padding:6px 13px;border-radius:4px;background:transparent;color:#7b8676;font-size:10px;font-weight:550}.segmented .selected{background:#fff;color:#355537;box-shadow:0 1px 3px #29482715}.editor-actions{display:flex;align-items:center;gap:14px}.tool-button{background:none;border:0;color:#72816c;font-size:15px;padding:4px}.tool-button span{font-size:10px;margin-left:3px}.zoom-label select{border:1px solid #e3e7dc;border-radius:5px;background:white;font-size:10px;padding:5px 6px;color:#5b6c55}.preview-area{height:505px;padding:30px;overflow:auto;background-color:#f1f4eb;background-image:radial-gradient(#c6cfbc 0.65px,transparent .65px);background-size:16px 16px;position:relative;display:flex;align-items:flex-start}.preview-area.dragover{box-shadow:inset 0 0 0 3px #88a65a;background-color:#e8f0dc}.empty-state{margin:auto;text-align:center;padding:10px}.sample-illustration{width:257px;height:153px;border:1px solid #d6dfce;border-radius:13px;background:#fff;box-shadow:0 17px 30px #314d2810;position:relative;margin:0 auto 48px;transform:rotate(-5deg)}.mini-top{height:32px;border-bottom:1px solid #eef1e8;display:flex;align-items:center;gap:5px;padding:0 14px}.mini-top i{height:5px;width:5px;background:#dbe2d4;border-radius:50%}.mini-body{display:flex;gap:14px;padding:26px 20px}.mini-avatar{background:#e6edda;color:#6f8857;border-radius:50%;width:39px;height:39px;display:grid;place-items:center;font-family:Georgia,serif;font-size:19px}.mini-copy{flex:1}.mini-mask{display:block;background:#294535;width:115px;height:18px;border-radius:2px}.mini-line{display:block;height:5px;background:#e8ede1;margin-top:10px;width:145px;border-radius:3px}.mini-line.short{width:90px;margin-top:7px}.floating-label{position:absolute;right:-25px;bottom:-13px;transform:rotate(8deg);background:#dff0b5;border:1px solid #ccdda2;padding:11px 14px;border-radius:8px;font-size:11px;font-weight:600;box-shadow:0 6px 12px #34472d09}.sparkle{position:absolute;left:-33px;top:45px;font-size:44px;color:#9cb680}.empty-state h3{font-size:17px;font-weight:650;margin:0 0 12px;letter-spacing:.1px}.empty-state p{color:#849078;font-size:12px;line-height:1.9;margin:0}.empty-tag{display:inline-flex;align-items:center;gap:6px;font-size:9px;border:1px solid #dde4d2;border-radius:20px;padding:7px 11px;margin-top:24px;color:#7d8f6b;background:#f7f9f1}canvas{display:block;flex:none;max-width:none;touch-action:none;cursor:crosshair;box-shadow:0 3px 20px #30442618;margin:auto}canvas.original{cursor:default}.editor-footer{padding:15px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px;color:#8b9583;font-size:10px;border-top:1px solid var(--line);min-height:48px}.format-label{font-size:8px;letter-spacing:1px;white-space:nowrap;color:#9aa38f}.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin:38px 0 35px;padding:28px 15px 0;border-top:1px solid var(--line)}.benefits>div{display:grid;grid-template-columns:32px 1fr;column-gap:13px}.benefit-symbol{grid-row:span 2;color:#7c9367;background:#edf2e2;border:1px solid #e1e8d6;border-radius:9px;height:32px;display:grid;place-items:center;font-size:18px}.benefits h3{font-size:11px;margin:0 0 8px;font-weight:650}.benefits p{font-size:10px;color:#8c9585;line-height:1.8;margin:0}.site-footer{border-top:1px solid var(--line);padding:24px 44px 28px;display:flex;gap:20px;align-items:center;color:#98a08f;font-size:10px}.footer-brand{font-size:19px;font-weight:750;letter-spacing:-1px;color:#718367}.site-footer>span:last-child{margin-left:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1450px){.preview-area{height:560px}}
@media(max-width:1050px){.site-header{padding:0 26px}main{padding:0 26px}.intro-note{display:none}.workspace{grid-template-columns:290px minmax(0,1fr);gap:16px}.step-section{padding:20px 17px}.editor-header{padding:20px 15px}#image-meta{display:none}.toolbar{padding:12px 10px}.editor-actions{gap:5px}.segmented button{padding:6px 9px}.tool-button span{display:none}.preview-area{padding:20px;height:500px}.format-label{display:none}.sample-illustration{width:210px}.mini-line{width:107px}.mini-mask{width:95px}.mini-body{padding:26px 15px;gap:10px}.floating-label{right:-10px}.empty-state h3{font-size:14px}}
@media(max-width:730px){.site-header{height:78px;padding:0 20px}.brand{font-size:27px}.brand img{width:31px;height:31px}.header-right{gap:12px}.local-badge{font-size:9px}.header-right>a{display:none}main{padding:0 16px}.intro{padding:30px 4px 26px}h1{font-size:27px}.lead{font-size:11px}.eyebrow{font-size:8px;letter-spacing:1.8px}.workspace{display:flex;flex-direction:column;gap:16px}.settings,.editor{width:100%;position:static}.settings{display:contents}.step-section{background:#fff;border:1px solid var(--line)!important;border-radius:14px;width:100%;padding:19px}.step-section:first-child{order:0}.step-section:nth-child(2){order:1}.editor{order:2}.results-section{order:3}.upload-button{padding:12px;margin-top:12px}.small-note{margin:7px 0}.preview-area{height:400px}.editor-footer{font-size:9px}.editor-header{padding:17px}.toolbar{padding:10px 14px}.editor-actions{gap:10px}.tool-button span{display:inline}.benefits{gap:17px;margin:28px 0;padding:24px 5px 0}.benefits>div{display:block}.benefit-symbol{width:30px;margin-bottom:12px}.benefits h3{font-size:10px}.benefits p{font-size:9px}.benefits p br{display:none}.site-footer{padding:22px 20px;gap:12px;flex-wrap:wrap;font-size:9px}.site-footer>span:last-child{margin-left:0;width:100%}.mask-list{max-height:180px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
@media(max-width:730px){.mobile-break{display:initial}}