:root{--bg:#f7f5f1;--bg-soft:#fafaf6;--fg:#1a1a1a;--muted:#7a756c;--line:#e3ddd2;--line-strong:#c8c1b3;--accent:#f39800;--accent-deep:#d77f00;--accent-fg:#fff;--ink:#111;--radius:10px;--tap:44px}*{box-sizing:border-box}html,body,#root{max-width:100%;height:100%;margin:0;overflow-x:hidden}body{background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;min-height:100dvh;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif}button{-webkit-tap-highlight-color:transparent;font-family:inherit}.loading{color:var(--muted);padding:40px}.pc-only{display:inline}@media (width<=640px){.pc-only{display:none}}.landing{background:radial-gradient(1200px 600px at 80% -10%, #f398001a, transparent 60%), radial-gradient(800px 400px at -10% 110%, #0000000d, transparent 60%), var(--bg);grid-template-rows:auto 1fr auto;min-height:100dvh;display:grid}.lp-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:16px clamp(16px,4vw,28px);display:flex}.lp-logo{flex:none;width:auto;height:clamp(28px,5vw,36px)}.lp-back{color:var(--muted);white-space:nowrap;font-size:13px;text-decoration:none}.lp-back:hover,.lp-back:active{color:var(--accent)}.lp-main{align-content:start;gap:clamp(32px,8vw,64px);width:100%;max-width:1080px;margin:0 auto;padding:clamp(16px,4vw,24px) clamp(16px,4vw,24px) clamp(40px,10vw,72px);display:grid}.hero{place-items:start;gap:16px;padding:clamp(16px,4vw,32px) 0 24px;display:grid}.hero-eyebrow{letter-spacing:.12em;color:var(--accent-deep);background:#f398001a;border-radius:999px;margin:0;padding:4px 10px;font-size:12px;font-weight:700;display:inline-block}.hero-title{letter-spacing:.02em;word-break:auto-phrase;text-wrap:pretty;margin:0;font-size:clamp(28px,8vw,56px);font-weight:800;line-height:1.25}.hero-lead{color:#444;word-break:auto-phrase;text-wrap:pretty;max-width:100%;margin:4px 0 0;font-size:clamp(14px,3.7vw,17px);line-height:1.8}.cta{letter-spacing:.04em;background:var(--accent);color:var(--accent-fg);cursor:pointer;min-height:var(--tap);border:0;border-radius:999px;width:100%;max-width:320px;margin-top:18px;padding:16px clamp(24px,6vw,36px);font-size:clamp(15px,4vw,16px);font-weight:800;transition:transform .1s,box-shadow .2s,background .2s;box-shadow:0 8px 24px #f3980059}.cta:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 10px 28px #f3980066}.cta:active{transform:translateY(0)scale(.98)}.hero-note{color:var(--muted);margin:8px 0 0;font-size:12px}.steps{border:1px solid var(--line);background:#fff;border-radius:16px;gap:18px;padding:clamp(16px,4vw,24px);display:grid}.steps-title{border-left:4px solid var(--accent);margin:0;padding-left:10px;font-size:clamp(16px,4vw,18px);font-weight:800}.steps-list{grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.steps-list li{background:var(--bg-soft);border-radius:var(--radius);gap:6px;padding:16px;display:grid}.step-num{background:var(--ink);color:#fff;border-radius:50%;place-items:center;width:28px;height:28px;font-size:13px;font-weight:800;display:inline-grid}.steps-list h3{margin:4px 0 0;font-size:15px;font-weight:700}.steps-list p{color:var(--muted);margin:0;font-size:13px;line-height:1.7}.lp-footer{padding:16px 24px calc(16px + env(safe-area-inset-bottom));text-align:center;color:var(--muted)}.app{grid-template-rows:auto 1fr;max-width:100vw;min-height:100dvh;display:grid;overflow-x:hidden}@media (width<=900px){.app{min-height:100dvh;display:block}}.topbar{border-bottom:1px solid var(--line);z-index:100;background:#fff;gap:6px;padding:8px clamp(10px,3vw,18px);display:grid;position:sticky;top:0}@media (width<=700px){.topbar{gap:6px;padding:6px 8px}}.topbar-row{align-items:center;gap:8px;width:100%;min-width:0;display:flex}.topbar-row-1{justify-content:space-between}.topbar-row-2{grid-template-columns:1fr 1fr auto;gap:6px;width:100%;min-width:0;max-width:100%;display:grid}@media (width<=900px){.topbar-row-2{grid-template-columns:1fr 1fr!important}.topbar-row-2 .angle-switch{grid-column:1/-1!important}.mode-tabs button{padding:8px 6px;font-size:11.5px}}@media (width<=480px){.topbar-row-2{grid-template-columns:1fr!important}}.brand-area{flex:auto;align-items:center;gap:10px;min-width:0;display:flex;overflow:hidden}.brand-area .topbar-logo{flex-shrink:1;min-width:0;max-width:100%}.back-btn{width:var(--tap);height:var(--tap);min-width:var(--tap);border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:10px;flex:none;place-items:center;font-size:18px;display:grid}.back-btn:hover,.back-btn:active{background:var(--bg-soft)}.topbar-logo{flex:none;width:auto;height:24px}.topbar-sub{color:var(--muted);border-left:1px solid var(--line);white-space:nowrap;text-overflow:ellipsis;min-width:0;padding-left:10px;font-size:12px;overflow:hidden}@media (width<=900px){.topbar-sub{display:none}}.topbar-row1-actions{flex:none;gap:6px;display:flex}.select-wrap{border:1px solid var(--line);min-height:var(--tap);background:#fff;border-radius:10px;align-items:center;gap:6px;min-width:0;padding:0 6px 0 10px;display:flex}.select-wrap .select-label{color:var(--muted);letter-spacing:.04em;white-space:nowrap;font-size:11px;font-weight:700}.select-wrap select{cursor:pointer;color:var(--fg);text-overflow:ellipsis;appearance:none;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 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var(--accent);background:var(--accent);color:var(--accent-fg);cursor:pointer;min-height:var(--tap);white-space:nowrap;border-radius:10px;align-items:center;gap:4px;padding:0 12px;font-size:12px;font-weight:700;display:inline-flex}.export-btn:hover,.export-btn:active{background:var(--accent-deep);border-color:var(--accent-deep)}.export-btn:disabled{opacity:.5;cursor:wait}@media (width<=480px){.export-btn{padding:0 8px;font-size:11px}}.reset{border:1px solid var(--line);cursor:pointer;min-height:var(--tap);white-space:nowrap;background:#fff;border-radius:10px;padding:0 14px;font-size:13px}.reset:hover,.reset:active{background:var(--bg-soft)}@media (width<=480px){.reset{padding:0 10px;font-size:12px}.topbar-logo{height:22px}}.main{grid-template-columns:1fr 380px;min-height:0;display:grid}@media (width<=900px){.main{grid-template-rows:auto auto;grid-template-columns:1fr;min-height:0}}.stage{background:var(--bg);flex-direction:column;justify-content:flex-start;align-items:center;width:100%;min-height:0;padding:clamp(8px,3vw,20px);display:flex}.canvas{aspect-ratio:1366/1024;border:1px solid var(--line);background:#fff;border-radius:12px;flex:none;width:100%;max-width:980px;position:relative;overflow:hidden;box-shadow:0 12px 32px #00000014}@media (width<=900px){.canvas{aspect-ratio:1366/1024;width:100%;max-width:100%}.stage{padding:8px 8px 12px}}@media (height<=500px) and (orientation:landscape){.canvas{aspect-ratio:1366/1024;width:auto;max-width:100%;height:70dvh}}.canvas .scene-bg{object-fit:cover;z-index:0;pointer-events:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;position:absolute;inset:0}.canvas .part-layer,.canvas .item-layer{object-fit:contain;pointer-events:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;position:absolute;inset:0}.canvas .part-composite{pointer-events:none;isolation:isolate;position:absolute;inset:0;-webkit-mask-size:100% 100%;mask-size:100% 100%;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat}.canvas .part-composite .part-base{object-fit:contain;pointer-events:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;position:absolute;inset:0}.canvas.drag-over{outline:3px dashed var(--accent);outline-offset:-3px}.canvas .part-highlight{pointer-events:none;z-index:1000;background:#f3980033;animation:1.6s ease-in-out infinite hl-pulse;position:absolute;inset:0;-webkit-mask-size:100% 100%;mask-size:100% 100%;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat}@keyframes hl-pulse{0%,to{opacity:.6}50%{opacity:1}}.canvas .part-drophit{pointer-events:none;z-index:1001;outline:2px solid var(--accent);background:#f398008c;position:absolute;inset:0;-webkit-mask-size:100% 100%;mask-size:100% 100%;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat}.canvas .drop-label{background:var(--accent);color:#fff;z-index:1100;pointer-events:none;white-space:nowrap;border-radius:999px;padding:10px 18px;font-size:14px;font-weight:700;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 4px 16px #0000004d}.canvas .drop-label-miss{background:#888;font-size:12px;font-weight:600}.canvas .part-composite .part-texture{mix-blend-mode:multiply;pointer-events:none;background-repeat:repeat;position:absolute;inset:0}.stage-status{color:var(--muted);text-align:center;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin-top:10px;padding:0 8px;font-size:11.5px;display:flex}.stage-status .dot{background:var(--accent);border-radius:50%;flex:none;width:6px;height:6px}.warn-badge{color:#c8651e;background:#fff3e0;border:1px solid #f0c89a;border-radius:4px;margin-left:8px;padding:2px 8px;font-size:10.5px;font-weight:600;display:inline-block}.picker{border-left:1px solid var(--line);background:#fff;flex-direction:column;min-height:0;display:flex;overflow:hidden}@media (width<=900px){.picker{border-left:0;border-top:1px solid var(--line);overflow:visible}}.picker-head{flex-wrap:wrap;flex:none;justify-content:space-between;align-items:flex-end;gap:8px;padding:12px 14px 6px;display:flex}.picker-head.sub{border-top:1px dashed var(--line);padding-top:10px}.picker-head .picker-title{flex:auto}.picker-title{flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;font-weight:700;display:flex}.picker-step{letter-spacing:.08em;background:var(--accent);color:var(--accent-fg);border-radius:4px;padding:3px 7px;font-size:10px;font-weight:800}.parts{-webkit-overflow-scrolling:touch;flex:none;gap:6px;padding:4px 12px 10px;display:flex;overflow-x:auto}.parts button{border:1px solid var(--line);cursor:pointer;white-space:nowrap;background:#fff;border-radius:999px;flex:none;min-height:36px;padding:0 14px;font-size:13px;position:relative}.parts button:hover,.parts button:active{background:var(--bg-soft)}.parts button.on{background:var(--ink);color:#fff;border-color:var(--ink)}.parts .dot-on{background:var(--accent);border-radius:50%;width:7px;height:7px;position:absolute;top:3px;right:5px}.mode-tabs{gap:4px;width:100%;margin-top:6px;display:flex}.mode-tabs button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:8px;flex:1;min-height:36px;padding:8px 10px;font-size:12px;font-weight:600;position:relative}.mode-tabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}.mode-tabs button:disabled{opacity:.45;cursor:not-allowed}.mode-tabs .badge-num{background:var(--accent);color:var(--accent-fg);border-radius:999px;margin-left:6px;padding:1px 5px;font-size:10px;font-weight:700}.lib-hint{background:var(--bg-soft);color:var(--muted);border-radius:6px;flex:none;margin:8px 12px 12px;padding:8px 10px;font-size:11px;line-height:1.6}.drop-zone{border:2px dashed var(--accent);cursor:pointer;background:#fff7e8;border-radius:12px;flex:none;align-items:center;gap:12px;margin:8px 12px;padding:18px 16px;transition:background .15s,transform .1s;display:flex}.drop-zone:hover{background:#ffeed0}.drop-zone:active{transform:scale(.99)}.drop-zone.drag-over{border-color:var(--accent-deep);background:#ffe2b0;border-style:solid;transform:scale(1.01)}.drop-zone-icon{flex:none;font-size:28px;line-height:1}.drop-zone-text{color:var(--fg);font-size:13px;line-height:1.5}.drop-zone-text b{color:var(--accent-deep);font-weight:700}.drop-zone-sub{color:var(--muted);font-size:11px}.thumb.uploaded{border-color:var(--accent-deep)}.thumb.uploaded:not(.on){border-style:dashed}.lib-hint code{border:1px solid var(--line);word-break:break-all;background:#fff;border-radius:3px;padding:1px 4px;font-size:10.5px}.variants{-webkit-overflow-scrolling:touch;flex:auto;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));align-content:start;align-items:start;gap:8px;min-height:0;padding:8px 12px 12px;display:grid;overflow-y:auto}@media (width<=900px){.variants{flex:none;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));overflow-y:visible}}.thumb{cursor:pointer;background:#f3efe8;border:2px solid #0000;border-radius:8px;flex-direction:column;align-items:stretch;padding:0;transition:border-color .15s,transform .1s;display:flex;overflow:hidden}.thumb:hover{border-color:var(--line-strong)}.thumb:active{transform:scale(.97)}.thumb img{aspect-ratio:1;object-fit:cover;background:#f3efe8;width:100%}.thumb .thumb-blank{aspect-ratio:1;width:100%;color:var(--muted);background:repeating-conic-gradient(#eee 0% 25%,#fafafa 0% 50%) 0 0/12px 12px;place-items:center;font-size:12px;display:grid}.thumb span{color:var(--muted);text-align:center;white-space:nowrap;text-overflow:ellipsis;padding:4px 6px;font-size:11px;line-height:1.2;overflow:hidden}.thumb.on{border-color:var(--accent)}.thumb.on span{color:var(--fg);font-weight:700}.items-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}.item-thumb img{background:#fafaf6}.link-btn{color:var(--accent-deep);cursor:pointer;background:0 0;border:0;min-height:36px;padding:6px 0;font-size:12px;font-weight:700}.link-btn:hover,.link-btn:active{text-decoration:underline}.upload{border-top:1px solid var(--line);background:var(--bg-soft);flex:none;padding:12px}.upload-btn{border:1.5px dashed var(--accent);width:100%;color:var(--accent-deep);cursor:pointer;min-height:var(--tap);background:#fff;border-radius:10px;padding:14px;font-size:13px;font-weight:700}.upload-btn:hover{background:#fff7e8}.upload-hint{color:var(--muted);text-align:center;margin-top:6px;font-size:11px}.modal-backdrop{z-index:999;padding:16px;padding:max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));-webkit-overflow-scrolling:touch;background:#0000008c;place-items:center;display:grid;position:fixed;inset:0;overflow-y:auto}.modal{text-align:center;background:#fff;border-radius:16px;width:100%;max-width:420px;max-height:100%;padding:24px;overflow-y:auto;box-shadow:0 20px 60px #0000004d}.modal-logo{width:56px;height:56px;margin:0 auto 8px;display:block}.modal h2{margin:8px 0 16px;font-size:18px}.modal-steps{text-align:left;gap:10px;margin:0;padding:0;list-style:none;display:grid}.modal-steps li{background:var(--bg-soft);border-radius:var(--radius);padding:12px 14px;font-size:13px;line-height:1.7}.modal-tip{color:var(--muted);margin:16px 0 8px;font-size:12px}.modal-close{background:var(--accent);color:#fff;cursor:pointer;min-height:var(--tap);border:0;border-radius:999px;width:100%;max-width:220px;margin-top:8px;padding:14px 28px;font-size:14px;font-weight:700;box-shadow:0 6px 18px #f3980059}.modal-close:hover{background:var(--accent-deep)}.modal-close:active{transform:scale(.98)}