:root{--paper:#f7f5f2;--white:#fff;--ink:#37332f;--muted:#706960;--line:#e7e2dc;--coral:#b84f49;--wash:#fff0eb;--green:#42664f}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.55 "M PLUS Rounded 1c","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
button,select{border:1px solid var(--line);background:#fff;border-radius:8px;min-height:38px;padding:8px 12px}
button:hover{background:#f6f3ef;border-color:#c4bcb3}
button:disabled{opacity:.38;cursor:default}
button[aria-pressed=true]{border-color:var(--coral);background:var(--wash);color:#a7443c}
button svg{width:18px;height:18px;flex:none}
svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
a{color:inherit;text-underline-offset:4px}
:focus-visible{outline:3px solid #b84f4999;outline-offset:3px}
::selection{background:#f8dbc9}
*{scrollbar-width:thin;scrollbar-color:#c9beb2 transparent}
input{caret-color:var(--coral)}
[hidden]{display:none!important}
.app-header{height:72px;display:flex;align-items:center;gap:22px;padding:0 28px;background:var(--white);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;text-decoration:none;font-size:15px}
.brand>span{display:grid;place-items:center;background:var(--coral);color:#fff;width:29px;height:29px;border-radius:8px;font-size:17px}
.header-divider{width:1px;height:22px;background:var(--line)}
h1{font-size:14px;font-weight:500;margin:0}
.header-actions{margin-left:auto;display:flex;gap:20px;align-items:center}
.history{display:flex;gap:3px}
.history button{border:0;background:transparent;display:grid;place-items:center;width:38px}
.primary{background:var(--green);color:#fff;border:0;display:flex;align-items:center;gap:8px;font-weight:700;padding:10px 18px}
.primary:hover{background:#31553e}
.editor{display:grid;grid-template-columns:minmax(0,1fr) 332px;height:calc(100dvh - 72px);min-height:660px}
.workspace{display:flex;flex-direction:column;min-width:0;padding:0 32px}
.workspace-bar{display:flex;justify-content:space-between;align-items:center;min-height:66px;font-size:12px;color:var(--muted)}
.size-control select{min-height:32px;padding:5px 9px;background:transparent;border-color:transparent;font-size:12px}
.preview-area{flex:1;min-height:250px;display:flex;justify-content:center;align-items:center;padding:12px 18px;overflow:hidden}
.canvaswrap{position:relative;flex:none;box-shadow:0 12px 32px #37332f12;background-color:#fff;background-image:conic-gradient(#eee 25%,transparent 0 50%,#eee 0 75%,transparent 0);background-size:16px 16px}
canvas{display:block;width:100%;height:100%;touch-action:none}
#device-overlays{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.device-hit{position:absolute;background:transparent!important;border:0!important;padding:0;min-height:0;border-radius:12%;display:flex;align-items:center;justify-content:center;pointer-events:auto;transform:translate(-50%,-50%) rotate(var(--angle));}
.device-hit .upload-affordance{opacity:0;display:flex;flex-direction:column;align-items:center;gap:8px;transform:rotate(calc(-1 * var(--angle)));transition:opacity 130ms ease}
.device-hit.is-empty .upload-affordance,.device-hit:hover .upload-affordance,.device-hit:focus-visible .upload-affordance{opacity:1}
.upload-affordance svg{width:20px;height:20px}
.upload-circle{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:#fff;box-shadow:0 5px 16px #332f292b;color:#514b43}
.upload-caption{font-size:11px;white-space:nowrap;padding:3px 8px;border-radius:5px;background:#fff;color:#625950}
.preview-footer{display:flex;justify-content:space-between;gap:10px;padding:17px 0;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.image-tray{border-top:1px solid var(--line);padding:16px 0 12px}
.tray-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.tray-heading h2{font-size:12px;font-weight:600;margin:0}
.tray-heading button{display:flex;gap:6px;align-items:center;font-size:11px;padding:4px 8px;min-height:30px;background:transparent}
.tray-heading svg{width:14px;height:14px}
#image-slots{display:flex;gap:10px}
.image-slot{flex:1;min-width:0;display:flex;align-items:center;gap:10px;text-align:left;background:#fff;padding:9px;border:1px solid var(--line)}
.image-slot img,.slot-placeholder{width:34px;height:42px;object-fit:cover;flex:none;border-radius:4px;background:#f4efeb}
.slot-placeholder{display:grid;place-items:center;color:#8d8176}
.slot-text{min-width:0}
.slot-text strong{display:block;font-size:11px;font-weight:500}
.slot-text small{display:block;font-size:10px;color:var(--muted);overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:150px}
.workspace-status{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:42px;color:var(--muted);font-size:10px}
.workspace-status p{margin:0}
.workspace-status>span{display:flex;align-items:center;gap:4px;white-space:nowrap}
.workspace-status svg{width:12px;height:12px}
.inspector{background:var(--white);border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0;overflow:auto}
.tabs{display:flex;padding:16px 14px 0;gap:2px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:4}
.tabs button{border:0;border-radius:0;padding:10px 7px 13px;min-height:44px;font-size:12px;white-space:nowrap;color:var(--muted)}
.tabs button[aria-selected=true]{color:var(--coral);box-shadow:inset 0 -2px var(--coral)}
.panel{padding:24px 22px}
.panel h2{font-size:15px;margin:0 0 6px}
.helper{font-size:11px;color:var(--muted);line-height:1.7;margin:0 0 18px}
.template-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 10px}
.template{padding:5px;overflow:hidden;min-height:0}
.template svg{width:100%;height:auto;display:block;stroke:none}
.template span{display:block;padding:6px 0 2px;font-size:11px}
.control-section{margin-top:26px;border-top:1px solid var(--line);padding-top:22px}
.control-section h3{font-size:12px;margin:0 0 18px;font-weight:600}
.panel label{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:12px;margin:18px 0 10px}
.panel output{color:var(--muted);font-variant-numeric:tabular-nums;font-size:11px}
.panel input[type=range]{width:100%;accent-color:var(--coral);height:18px;margin:0;cursor:pointer}
.panel input[type=color]{width:42px;height:30px;border:1px solid var(--line);padding:3px;background:#fff;border-radius:6px}
.panel select{width:100%;font-size:12px}
.panel label select{width:130px}
.note{font-size:11px;color:var(--muted);line-height:1.8;padding-top:20px}
.background-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.background-grid button{padding:5px;font-size:10px}
.background-grid i{height:54px;display:block;border-radius:5px;margin-bottom:6px}
.bg-pastel{background:linear-gradient(#def6ef,#e4dcf1,#f7d5d3)}
.bg-lavender{background:linear-gradient(#e9eaf9,#d4c9e8)}
.bg-warm{background:linear-gradient(#fff1d9,#edbcb8)}
.bg-mint{background:linear-gradient(#e9f2e6,#b8dcd0)}
.bg-solid{background:#f5f1eb}
.bg-transparent{background:conic-gradient(#eee 25%,white 0 50%,#eee 0 75%,white 0);background-size:14px 14px}
.wide-button{width:100%;display:flex;justify-content:center;align-items:center;gap:8px;margin-top:15px;font-size:12px}
.text-button{width:100%;border:0;margin-top:8px;font-size:11px;color:var(--muted)}
.device-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.device-grid button{font-size:12px}
.annotation-tools{display:flex;gap:8px}
.annotation-tools button{display:flex;flex:1;flex-direction:column;align-items:center;gap:7px;padding:12px 5px;font-size:11px}
#annotations{display:flex;flex-wrap:wrap;gap:5px;margin-top:15px}
#annotations button{font-size:11px;padding:5px 8px;min-height:32px}
.inspector-footer{margin-top:auto;padding:18px 22px;font-size:10px;color:var(--muted);border-top:1px solid var(--line)}
.annotation-mode #device-overlays{display:none}
.is-dragging{outline:3px dashed var(--coral);outline-offset:-10px}
@media(max-width:1000px){.editor{grid-template-columns:minmax(0,1fr) 300px}
.workspace{padding:0 20px}
.panel{padding:22px 18px}
.tabs{padding-inline:6px}
.workspace-status>span{display:none}
.image-slot{gap:6px}
.slot-text small{max-width:95px}
}
@media(max-width:760px){.app-header{height:62px;padding:0 14px;gap:12px}
.brand{font-size:12px}
.header-divider,h1{display:none}
.header-actions{gap:6px}
.primary{padding:9px 12px;font-size:11px}
.history button{width:30px;padding:4px}
.editor{height:auto;min-height:0;grid-template-columns:1fr}
.workspace{padding:0 16px}
.workspace-bar{min-height:50px}
.preview-area{height:360px;flex:none;min-height:0;padding:8px 0}
.preview-footer{font-size:10px;padding:12px 0}
#canvas-hint{display:none}
.workspace-status{padding-bottom:12px}
.image-slot{padding:6px}
.image-slot img,.slot-placeholder{width:25px;height:34px}
.slot-text small{max-width:65px;font-size:9px}
.inspector{border-left:0;border-top:1px solid var(--line);overflow:visible}
.tabs{justify-content:space-around;position:static;padding-top:5px}
.tabs button{flex:1}
.panel{padding:24px}
.template-grid{grid-template-columns:repeat(3,1fr);gap:8px}
.template span{font-size:10px}
.control-section{margin-top:22px}
.upload-caption{font-size:9px}
.upload-circle{width:36px;height:36px}
.inspector-footer{display:none}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}
}

.workspace{min-height:0}
.preview-area{flex:1 1 0}
.workspace-bar,.preview-footer,.image-tray,.workspace-status{flex-shrink:0}
@media(max-width:760px){.preview-area{flex:none}
}

.app-name{font-size:14px;color:var(--muted)}
.tool-intro{min-height:88px;padding:14px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--white);border-bottom:1px solid var(--line)}
.tool-intro h1{font-size:18px;font-weight:700;line-height:1.4;display:block}
.tool-intro p{margin:7px 0 0;font-size:12px;color:var(--green)}
.tool-intro p span{color:var(--muted);margin-left:18px}
.tool-intro>a{font-size:12px;color:var(--muted);white-space:nowrap}
.editor{height:calc(100dvh - 160px)}
.quick-guide{list-style:none;display:flex;gap:24px;align-items:center;flex-shrink:0;margin:0;padding:16px 0 8px;font-size:11px;color:var(--muted)}
.quick-guide li{display:flex;gap:7px;align-items:center}
.quick-guide li>span{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;color:var(--coral);background:var(--wash);font-variant-numeric:tabular-nums}
.workspace-bar{min-height:46px}
.model-section{margin-top:22px}
.model-section h3{font-size:12px;margin:0 0 12px}
.model-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}
.model-grid button{font-size:12px}
.model-section .helper{margin-bottom:10px}
.export-settings{position:sticky;bottom:0;margin-top:auto;padding:16px 22px;background:var(--white);border-top:1px solid var(--line);z-index:5;flex-shrink:0}
.export-settings h2{font-size:12px;margin:0 0 10px}
.export-settings .helper{margin:6px 0 0;font-size:10px}
.export-settings .wide-button{margin-top:10px;min-height:36px}
.toggle-row{display:flex;align-items:center;gap:9px;cursor:pointer;font-size:12px}
.toggle-row input{appearance:none;width:32px;height:19px;border-radius:12px;background:#ccc5be;margin:0;position:relative;cursor:pointer;flex:none}
.toggle-row input:before{content:'';position:absolute;width:13px;height:13px;top:3px;left:3px;border-radius:50%;background:#fff;transition:transform .12s ease}
.toggle-row input:checked{background:var(--green)}
.toggle-row input:checked:before{transform:translateX(13px)}
.tool-guide{max-width:1120px;margin:0 auto;padding:64px 32px;display:grid;grid-template-columns:1fr 1.3fr;gap:36px 64px;font-size:14px;line-height:1.9;scroll-margin-top:16px}
.tool-guide h2{font-size:21px;line-height:1.5;margin:0 0 14px}
.tool-guide h3{font-size:15px;margin:0 0 6px}
.tool-guide p{margin:0 0 14px;color:var(--muted);max-width:70ch}
.tool-guide a{color:var(--coral)}
.guide-steps{padding-left:22px;margin:0}
.guide-steps li{padding-left:10px;margin-bottom:24px}
.guide-steps li::marker{color:var(--coral);font-weight:700}
.figma-guide,.frame-guide{border-top:1px solid var(--line);padding-top:28px}
.spec-links{font-size:12px}
@media(max-width:1000px){.quick-guide{gap:10px;font-size:10px}.quick-guide li{gap:4px}.tool-intro{padding-inline:20px}}
@media(max-width:760px){.app-name{display:none}.tool-intro{padding:14px 16px;min-height:0;display:block}.tool-intro h1{font-size:16px}.tool-intro p{font-size:11px}.tool-intro p span{display:block;margin:4px 0 0}.tool-intro>a{display:inline-block;margin-top:7px;font-size:11px}.editor{height:auto}.quick-guide{gap:6px;justify-content:space-between;align-items:start;padding-top:14px}.quick-guide li{flex-direction:column;gap:5px;text-align:center;flex:1}.export-settings{position:static;padding:20px 24px}.export-settings .helper{font-size:11px}.tool-guide{display:block;padding:40px 24px;font-size:13px}.tool-guide h2{font-size:19px}.guide-steps{margin-top:26px}.figma-guide,.frame-guide{margin-top:28px}.tool-intro h1{display:block}}

/* Long-form Japanese help below the editor. The workbench stays primary; the article
   uses the same paper/ink/coral palette and keeps a comfortable reading measure. */
.mockup-guide{max-width:1040px;margin:0 auto;padding:76px 32px 96px;color:var(--ink);font-size:15px;line-height:1.95}
.mockup-guide>section,.mockup-guide>header,.mockup-guide>footer{max-width:760px;margin-inline:auto}
.mockup-guide h2{font-size:26px;line-height:1.45;margin:72px 0 18px;letter-spacing:-.02em}
.mockup-guide h3{font-size:18px;line-height:1.5;margin:32px 0 8px}
.mockup-guide p{max-width:70ch;margin:0 0 16px;color:var(--muted)}
.mockup-guide a{color:var(--coral);text-underline-offset:4px}
.article-intro h2{margin-top:0;font-size:32px}
.article-intro>p:first-of-type{font-size:17px;color:var(--ink)}
.guide-toc{display:flex;flex-wrap:wrap;gap:8px 16px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:26px}
.guide-toc a{font-size:13px}
.mockup-guide figure{margin:28px 0 34px}
.mockup-guide figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:14px;background:var(--white)}
.mockup-guide figcaption{margin-top:8px;color:var(--muted);font-size:12px}
.article-steps{padding-left:26px;margin:22px 0 0}
.article-steps li{padding-left:10px;margin:0 0 28px}
.article-steps li::marker{color:var(--coral);font-weight:800}
.article-steps h3{margin-top:0}
.guide-table{overflow-x:auto;margin:24px 0 20px}
.guide-table table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.65;background:var(--white)}
.guide-table caption{text-align:left;font-weight:700;padding:0 0 9px}
.guide-table th,.guide-table td{padding:12px 14px;border:1px solid var(--line);text-align:left;vertical-align:top}
.guide-table th{background:var(--wash);font-weight:700}
.guide-meta{font-size:12px!important;color:var(--muted)!important}
.layout-examples{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:28px 0}
.layout-examples figure{margin:0}
.layout-examples figcaption{line-height:1.65}
.layout-examples figcaption strong{display:block;color:var(--ink);font-size:14px}
.mockup-guide ul{padding-left:24px;color:var(--muted)}
.mockup-guide li::marker{color:var(--coral)}
.mockup-guide details{border-top:1px solid var(--line);padding:15px 0}
.mockup-guide details:last-of-type{border-bottom:1px solid var(--line)}
.mockup-guide summary{cursor:pointer;font-weight:700;padding-right:26px;position:relative}
.mockup-guide summary::marker{color:var(--coral)}
.mockup-guide figure img.transparency-example{background:#e4dced}
.mockup-guide details p{padding:12px 0 0;margin:0}
.guide-end{text-align:center;border-top:1px solid var(--line);margin-top:74px!important;padding-top:54px}
.guide-end h2{margin:0 0 12px}
.guide-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 22px;background:var(--green);border-radius:8px;color:#fff!important;text-decoration:none;font-weight:700;margin-top:12px}
.guide-cta:hover{background:#31553e}
.custom-size{display:flex;align-items:end;gap:10px;flex-wrap:wrap;padding:8px 0 12px;flex-shrink:0}
.custom-size label{font-size:12px;display:grid;gap:4px}
.custom-size input{width:112px;min-height:38px;border:1px solid var(--line);border-radius:8px;padding:6px 10px;background:var(--white)}
.custom-size p{flex-basis:100%;margin:0;font-size:12px}
#size-error{color:var(--coral)}
#size-error:empty{display:none}
.draft-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-shrink:0;font-size:12px;color:var(--muted);min-height:40px}
.draft-bar p{margin:0}
.image-actions{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 10px}
.image-actions button{font-size:12px;min-height:38px}
.draft-bar button{font-size:12px;background:transparent;flex-shrink:0}
#text-settings{margin:18px 0}
#text-content{display:block;width:100%;resize:vertical;min-height:90px;border:1px solid var(--line);border-radius:8px;padding:10px;font:inherit;color:var(--ink);background:var(--white)}
#text-content::placeholder{color:var(--muted)}
@media(max-width:760px){.custom-size input,#text-content{font-size:16px}.custom-size input{width:100px}.draft-bar{padding-top:8px;align-items:start;flex-wrap:wrap}.draft-bar button{min-height:38px}}
@media(max-width:760px){.mockup-guide{padding:46px 20px 68px;font-size:14px;line-height:1.85}.mockup-guide h2{font-size:22px;margin-top:52px}.article-intro h2{font-size:27px}.article-intro>p:first-of-type{font-size:16px}.layout-examples{grid-template-columns:1fr;gap:22px}.guide-table table{font-size:13px;min-width:560px}.guide-toc{gap:7px 13px}.mockup-guide figure{margin:22px 0 28px}}

/* Direct manipulation of the image inside each fixed frame. */
.device-hit:not(.is-empty){cursor:grab;touch-action:none;user-select:none}
.device-hit.is-panning{cursor:grabbing}
.device-hit.is-panning .upload-affordance{opacity:0}

.placement-toolbar{flex-shrink:0;margin:0 0 8px}
.placement-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.placement-actions button{font-size:12px;min-height:38px}
.placement-actions [aria-pressed=true]{color:var(--coral);border-color:var(--coral);background:var(--wash)}
.placement-actions span,.placement-toolbar p{font-size:12px;color:var(--muted)}
.placement-toolbar p{margin:0;line-height:1.6}
.placement-mode .device-hit{cursor:grab;touch-action:none}
.placement-mode .device-hit.is-panning{cursor:grabbing}
.placement-mode .device-hit .upload-affordance{display:none}

/* Upload-first empty state is an editor overlay, never artwork. */
.preview-area{position:relative}
.upload-empty .canvaswrap{visibility:hidden}
.upload-entry{position:absolute;inset:12px 0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:24px;border:1px dashed #c4bcb3;border-radius:14px;background:var(--white)}
.upload-entry .entry-icon{width:38px;height:38px;color:var(--green);margin-bottom:18px}
.upload-entry h2{font-size:20px;line-height:1.5;margin:0 0 8px;font-weight:700}
.upload-entry p{margin:0 0 22px;color:var(--muted)}
.entry-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}
.upload-entry .entry-shortcut{font-size:12px;margin-bottom:8px}
.upload-entry kbd{font:inherit;color:var(--ink);white-space:nowrap}
.upload-entry small{font-size:11px;color:var(--muted)}
.upload-entry #entry-message{font-size:12px;color:var(--coral);margin:12px 0 0;max-width:38em}
.upload-entry #entry-message:empty{display:none}
.is-dragging .upload-entry{border-color:var(--green);background:#f0f5ef}
@media(max-width:600px){.upload-empty{min-height:340px}.upload-entry{padding:20px 14px}.upload-entry h2{font-size:17px}.upload-entry .entry-shortcut{max-width:240px}.entry-actions{gap:8px}.entry-actions button{font-size:12px;padding:10px 12px}}

.image-size-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:0 0 12px;color:var(--muted);font-size:12px}
.image-size-controls label{color:var(--ink)}
.image-size-controls input{width:140px;min-width:65px;accent-color:var(--coral);margin:0}
.image-size-controls button{display:grid;place-items:center;min-height:32px;padding:5px 8px}
.image-size-controls output{min-width:38px;font-variant-numeric:tabular-nums}
.image-size-controls #choose-frame{margin-left:auto}
@media(max-width:600px){.image-size-controls{gap:7px}.image-size-controls input{width:86px}.image-size-controls #choose-frame{margin-left:0}}

/* Give the artwork room instead of shrinking it to fit all controls above the fold. */
.editor{height:auto}
.preview-area{flex:none;height:clamp(440px,65dvh,720px);min-height:0;overflow:auto;justify-content:safe center;align-items:safe center}
.preview-zoom-control{display:flex;align-items:center;gap:8px}
.preview-zoom-control select{font-size:12px;min-height:32px;padding:4px 8px;background:var(--white)}
@media(max-width:760px){.preview-area{height:420px;padding:12px 0}.workspace-bar{gap:8px;flex-wrap:wrap;padding-block:8px}.preview-zoom-control{gap:5px;font-size:11px}}