:root{--ink:#332a24;--brown:#6f3c28;--orange:#c96b36;--cream:#fffaf1;--paper:#fffdf9;--line:#e7dac9;--green:#557f62;--red:#c84437;--shadow:0 12px 32px rgba(79,48,29,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--cream);font-family:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif;line-height:1.75}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:1rem;top:1rem;z-index:99;background:#fff;padding:.6rem 1rem}.site-header{height:64px;padding:0 max(1.25rem,calc((100% - 1200px)/2));display:flex;align-items:center;gap:.8rem;background:#fff;border-bottom:1px solid var(--line)}.brand{font-family:"Noto Serif JP",serif;font-weight:700;color:var(--brown);text-decoration:none;font-size:1.1rem}.brand-sub{font-size:.68rem;letter-spacing:.12em;color:#8a7467}.hero{min-height:470px;position:relative;isolation:isolate;display:grid;place-items:center;overflow:hidden;background:#8a5e45}.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,253,249,.94),rgba(255,253,249,.57));z-index:-1}.hero-copy{width:min(1160px,100%);padding:2rem max(1.25rem,calc((100% - 1160px)/2));text-align:left}.hero-copy p:first-child,.eyebrow{margin:0 0:.3rem;color:var(--orange);font-size:.76rem;letter-spacing:.16em;font-weight:800}.hero h1{margin:.1rem 0 1rem;font-family:"Noto Serif JP",serif;font-size:clamp(2rem,5vw,4.4rem);letter-spacing:.04em;line-height:1.25}.hero-copy p{font-size:1.05rem;max-width:560px}.content-width{width:min(1200px,calc(100% - 2.5rem));margin-inline:auto}.intro{padding:5rem 0 3.5rem;text-align:center}.intro h2,.section-heading h2,.editor-heading h2,.ai-guide h2{font-family:"Noto Serif JP",serif;font-size:clamp(1.65rem,3vw,2.3rem);margin:.1rem 0 .75rem}.intro>p{max-width:620px;margin:.4rem auto 1.5rem}.specs{display:flex;justify-content:center;gap:.5rem;flex-wrap:wrap}.specs span{padding:.25rem .75rem;border:1px solid var(--line);border-radius:100px;background:#fff;font-size:.8rem}.tips{padding:2rem 0 5rem}.section-heading{text-align:center;margin-bottom:1.6rem}.tip-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.75rem}.tip-grid details{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:1rem;box-shadow:0 5px 14px rgba(84,49,28,.05)}.tip-grid summary{list-style:none;cursor:pointer;display:flex;flex-direction:column;gap:.5rem;line-height:1.45}.tip-grid summary::-webkit-details-marker{display:none}.tip-icon{display:grid;place-items:center;width:2.1rem;height:2.1rem;border-radius:50%;color:var(--brown);background:#f8e9ca;font-family:"Noto Serif JP",serif;font-size:1.1rem}.tip-grid p{font-size:.82rem;line-height:1.6;margin:.8rem 0 0;color:#685950}.editor-section{padding:4rem 0 8rem;background:#f1e7d9;border-block:1px solid var(--line)}.editor-heading{margin-bottom:1.5rem}.editor-heading>p:last-child{margin:0;font-size:.9rem}.editor-layout{display:grid;grid-template-columns:230px minmax(0,1fr) 270px;gap:1rem;align-items:start}.panel{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:1rem;box-shadow:var(--shadow)}.panel-title{display:flex;align-items:center;gap:.55rem;border-bottom:1px solid var(--line);padding-bottom:.75rem;margin-bottom:.75rem}.panel-title h3{margin:0;font-size:1rem}.step{display:grid;place-items:center;width:1.5rem;height:1.5rem;border-radius:50%;background:var(--brown);color:#fff;font-size:.76rem;font-weight:800}.tool-group{border-bottom:1px solid var(--line);padding:.65rem 0}.tool-group summary{cursor:pointer;font-weight:700}.tool-group p{font-size:.78rem;line-height:1.55;color:#685950;margin:.45rem 0}.button{display:inline-flex;justify-content:center;align-items:center;gap:.45rem;border:1px solid transparent;border-radius:8px;padding:.72rem 1rem;font:inherit;font-weight:800;line-height:1.2;text-decoration:none;cursor:pointer;transition:.2s}.button:hover{transform:translateY(-1px)}.button-primary{background:var(--brown);color:#fff;box-shadow:0 4px 12px rgba(74,37,19,.2)}.button-outline{border-color:var(--brown);background:#fff;color:var(--brown)}.upload-button{width:100%;font-size:.84rem}.upload-button input{display:none}.toggle{display:flex;gap:.45rem;align-items:flex-start;margin-top:.65rem;font-size:.75rem;line-height:1.35;cursor:pointer}.toggle input{accent-color:var(--brown);margin-top:.15rem}.compact{margin:0;font-size:.7rem}.stamp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.35rem;margin-top:.6rem}.stamp-grid button{border:1px solid var(--line);background:#fff;border-radius:7px;padding:.35rem;font-size:1.25rem;cursor:pointer}.stamp-grid button:hover{background:#fff1d7}.stamp-picker{margin-top:.75rem}.stamp-picker>label{font-size:.7rem;font-weight:700}.stamp-picker>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.35rem}.stamp-picker select,.stamp-picker button{min-width:0;border:1px solid #cabaa9;border-radius:6px;background:#fff;padding:.45rem;font:inherit;font-size:.75rem}.stamp-picker button{color:var(--brown);font-weight:800;cursor:pointer}.history-buttons{display:grid;grid-template-columns:1fr 1fr;gap:.4rem;margin-top:1rem}.history-buttons button,.object-actions button{border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--ink);font:inherit;font-size:.78rem;padding:.55rem .3rem;cursor:pointer}.history-buttons button:disabled{opacity:.4;cursor:default}.save-format{padding:.65rem .15rem 0}.preview-sticky{position:sticky;top:1rem;min-width:0}.preview-topline{display:flex;align-items:center;gap:.45rem;margin:0 0 .55rem;font-size:.86rem}.preview-toggles{display:flex;gap:.65rem;margin-left:auto}.preview-card{padding:clamp(.6rem,1.5vw,1.1rem);background:#dde3df;border:1px solid #cbd2cd;border-radius:16px;box-shadow:var(--shadow)}#canvas-shell{width:min(100%,720px);margin:auto;aspect-ratio:1;background:#fff;overflow:hidden;box-shadow:0 3px 8px rgba(0,0,0,.12)}#canvas-shell .canvas-container,#canvas-shell .lower-canvas,#canvas-shell .upper-canvas{width:100%!important;height:100%!important}.preview-note{margin:.55rem 0 0;font-size:.7rem;color:#66594f}.guide{display:inline-block;width:.7rem;height:.7rem;border:2px dashed;vertical-align:-.05rem;border-radius:50%}.guide.red{border-color:var(--red)}.guide.green{border-color:var(--green);margin-left:.45rem}.empty-state{padding:1rem .2rem;font-size:.83rem;color:#75665b;line-height:1.65}.selected-label{display:inline-block;margin:0 0 .7rem;padding:.12rem .55rem;border-radius:100px;background:#f8e9ca;color:var(--brown);font-size:.75rem;font-weight:800}.property-notice{margin:.5rem 0;padding:.65rem;border-radius:7px;background:#fff5d8;color:#6a4d25;font-size:.75rem;line-height:1.55}#property-fields label{display:block;margin:.7rem 0;font-size:.78rem;font-weight:700}#property-fields output{float:right;color:#7a695d;font-weight:500}#property-fields input:not([type=range]),#property-fields select{width:100%;margin-top:.25rem;border:1px solid #cabaa9;border-radius:6px;background:#fff;padding:.45rem;font:inherit;font-size:.86rem}#property-fields input[type=color]{height:2.1rem;padding:.15rem}#property-fields input[type=range]{display:block;width:100%;accent-color:var(--brown);margin-top:.35rem}#property-fields .inline-check{display:flex;gap:.45rem;align-items:flex-start;font-weight:500;line-height:1.45}#property-fields .inline-check input{width:auto;margin:.2rem 0 0}.object-actions{display:grid;grid-template-columns:1fr 1fr;gap:.4rem;margin-top:1rem}.object-actions .danger{border-color:#b24237;color:#9c2e24}.ai-guide{display:grid;grid-template-columns:1fr 1fr;gap:2rem;padding:5rem 0 8rem;align-items:center}.ai-guide>div:first-child>p:not(.eyebrow){max-width:550px}.ai-examples{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.ai-examples img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:12px;box-shadow:var(--shadow)}.site-footer{padding:1.5rem;text-align:center;background:#3d3028;color:#fff}.order-bar{position:fixed;z-index:20;bottom:0;left:0;right:0;display:flex;justify-content:center;align-items:center;gap:1.3rem;padding:.7rem max(1rem,calc((100% - 900px)/2));background:rgba(255,253,249,.96);border-top:1px solid var(--line);box-shadow:0 -4px 18px rgba(55,36,23,.1);backdrop-filter:blur(8px)}.order-bar div{display:flex;flex-direction:column;line-height:1.35}.order-bar span{font-size:.74rem;color:#6c5d53}.button-order{min-width:230px}dialog{width:min(440px,calc(100% - 2rem));border:0;border-radius:16px;padding:2rem;box-shadow:0 20px 60px rgba(0,0,0,.25);color:var(--ink)}dialog::backdrop{background:rgba(44,30,20,.55)}dialog h2{font-family:"Noto Serif JP",serif;margin:.15rem 0 .7rem}dialog p{font-size:.9rem;line-height:1.7}.dialog-close{position:absolute;right:.7rem;top:.5rem;border:0;background:none;font-size:1.7rem;cursor:pointer}.dialog-actions{display:grid;gap:.6rem}.dialog-note{font-size:.72rem!important;color:#75665b}@media(max-width:900px){.tip-grid{grid-template-columns:repeat(3,1fr)}.editor-layout{grid-template-columns:190px minmax(0,1fr)}.properties-panel{grid-column:1/-1;display:grid;grid-template-columns:160px 1fr;gap:1rem}.properties-panel .panel-title{grid-row:1/3;border-bottom:0;border-right:1px solid var(--line);padding-right:.8rem;margin:0}.properties-panel #property-fields,.properties-panel .empty-state{grid-column:2}.properties-panel #property-fields{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1rem}.properties-panel #text-fields{display:contents}.properties-panel .object-actions{align-self:end}}@media(max-width:620px){body{padding-bottom:78px}.site-header{height:54px}.brand-sub{display:none}.hero{min-height:360px}.hero:after{background:rgba(255,253,249,.74)}.hero-copy{padding:1.5rem}.hero-copy p{font-size:.9rem}.content-width{width:min(100% - 1.25rem,1200px)}.intro{padding:3.5rem 0 2.5rem}.tips{padding-bottom:3.5rem}.tip-grid{grid-template-columns:1fr 1fr}.tip-grid details:last-child{grid-column:1/-1}.editor-section{padding:2.5rem 0 4rem}.editor-layout{grid-template-columns:1fr;gap:.75rem}.preview-sticky{position:sticky;top:.45rem;z-index:10;grid-row:1;background:#f1e7d9;padding-top:.2rem}.tools-panel{grid-row:2}.properties-panel{grid-column:auto;grid-row:3;display:block}.properties-panel .panel-title{border:0;border-bottom:1px solid var(--line);padding:0 0 .75rem;margin-bottom:.75rem}.properties-panel #property-fields{display:block!important}.preview-card{padding:.5rem;border-radius:11px}.preview-topline{margin-bottom:.35rem}.tool-group{padding:.5rem 0}.tool-group p{display:none}.ai-guide{grid-template-columns:1fr;padding:3.5rem 0 4rem;gap:1.5rem}.order-bar{gap:.5rem;padding:.55rem .75rem;padding-bottom:max(.55rem,env(safe-area-inset-bottom))}.order-bar strong{font-size:.78rem}.order-bar span{display:none}.button-order{min-width:0;flex:1;font-size:.86rem;padding:.72rem .55rem}.specs span{font-size:.7rem}}
.ios-preview{display:block;width:min(100%,320px);max-height:42vh;object-fit:contain;margin:.8rem auto 1rem;border:1px solid var(--line);border-radius:10px;background:#fff}#property-fields[hidden],#text-fields[hidden],#fill-field[hidden],.property-notice[hidden],.ios-preview[hidden]{display:none!important}
.ai-guide{display:block;padding:4rem 0 8rem}.ai-accordion{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:var(--paper);box-shadow:var(--shadow)}.ai-accordion>summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.25rem 1.5rem;cursor:pointer;list-style:none}.ai-accordion>summary::-webkit-details-marker{display:none}.ai-accordion>summary>span:first-child{display:grid;gap:.15rem}.ai-accordion>summary strong{font-family:"Noto Serif JP",serif;font-size:1.3rem}.ai-accordion>summary small{color:#75665b}.accordion-icon{display:grid;place-items:center;flex:0 0 2rem;width:2rem;height:2rem;border-radius:50%;background:#f8e9ca;color:var(--brown);font-size:1.4rem;transition:transform .2s}.ai-accordion[open] .accordion-icon{transform:rotate(45deg)}.ai-accordion-body{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr);gap:1.5rem;padding:0 1.5rem 1.5rem;border-top:1px solid var(--line)}.ai-prompt-copy{padding-top:1.25rem}.ai-prompt-copy h2{margin:0 0 .5rem}.ai-prompt-copy p{font-size:.88rem}.ai-prompt-copy label{display:block;margin:.8rem 0 .3rem;font-size:.78rem;font-weight:800}.ai-prompt-copy textarea{display:block;width:100%;resize:vertical;border:1px solid #cabaa9;border-radius:8px;padding:.75rem;font:inherit;font-size:.82rem;line-height:1.65;background:#fff}.ai-prompt-copy .button{margin-top:.75rem}.ai-accordion-body .ai-examples{padding-top:1.25rem;align-content:start}.ai-accordion-body .ai-examples p{grid-column:1/-1;margin:0;color:#75665b;font-size:.7rem}@media(max-width:620px){.ai-guide{padding:3rem 0 5rem}.ai-accordion>summary{padding:1rem}.ai-accordion>summary strong{font-size:1rem}.ai-accordion>summary small{font-size:.68rem}.ai-accordion-body{grid-template-columns:1fr;padding:0 1rem 1rem}.ai-accordion-body .ai-examples{padding-top:0}}