:root{--bg:#12121c;--bg-panel:#1c1c2b;--bg-input:#26263a;--border:#34344e;--text:#eceaf4;--text-dim:#9c9ab0;--primary:#4f6ef7;--primary-hover:#6580ff;--accent:#0f9d68;--accent-hover:#12b87a;--danger:#ff5c74;--danger-bg:#3a1f2b;--danger-border:#6e2e42;--success:#7ee2a8;--fs-xs:.75rem;--fs-sm:.875rem;--fs-base:1rem;--fs-lg:1.25rem;--fs-xl:1.625rem;--lh-tight:1.2;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--radius-sm:8px;--radius-md:12px;--radius-full:999px;--elev-1:0 1px 2px #0000004d;--elev-2:0 8px 24px -12px #0009;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}fieldset{border:none;margin:0;padding:0}legend{padding:0}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;line-height:1.6}:where(button,summary,[role=button],input,select,a):focus-visible{outline:2px solid var(--primary);outline-offset:2px}.workspace{background:var(--bg);height:100dvh;color:var(--text);flex-direction:column;display:flex;overflow:hidden auto}.workspace--drag-active{outline:2px dashed var(--primary);outline-offset:-4px;background:color-mix(in srgb, var(--primary) 6%, var(--bg))}.workspace__header{z-index:6;align-items:center;gap:var(--space-2);padding:0 var(--space-3);background:var(--bg-panel);border-bottom:1px solid var(--border);flex:0 0 48px;display:flex;position:sticky;top:0}.workspace__title{font-size:var(--fs-sm);font-weight:600;line-height:var(--lh-tight);white-space:nowrap;margin:0}.workspace__count{color:var(--text-dim);font-size:var(--fs-xs);white-space:nowrap}.workspace__badge{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-full);padding:2px var(--space-2);font-size:var(--fs-xs);color:var(--text-dim);white-space:nowrap;display:inline-block}.workspace__zoom-chip{appearance:none;border:1px solid var(--border);background:var(--bg-input);color:var(--text);border-radius:var(--radius-sm);min-width:44px;min-height:32px;padding:0 var(--space-2);font-size:var(--fs-xs);cursor:pointer;touch-action:manipulation;flex-shrink:0;margin-left:auto}.workspace__zoom-chip:hover{border-color:var(--primary)}.workspace__canvas-zone{flex-direction:column;flex:auto;min-height:280px;display:flex;overflow:hidden}.workspace__empty{justify-content:center;align-items:center;gap:var(--space-3);padding:var(--space-4);text-align:center;flex-direction:column;flex:1;display:flex}.empty-state__illustration{width:160px;height:auto;color:var(--text-dim)}.panel__hint{color:var(--text-dim);font-size:var(--fs-xs);margin:0}.panel__success{color:var(--success);font-size:var(--fs-sm);margin:0}.context-row{align-items:center;gap:var(--space-2);padding:0 var(--space-3);background:var(--bg-panel);border-top:1px solid var(--border);border-bottom:1px solid var(--border);flex:0 0 48px;display:flex;position:relative}.context-row__group{align-items:center;display:flex;position:relative}.context-row__spacer{flex:1}.context-row__chip{appearance:none;border:1px solid var(--border);background:var(--bg-input);color:var(--text);border-radius:var(--radius-sm);min-height:44px;padding:0 var(--space-3);font-size:var(--fs-sm);white-space:nowrap;cursor:pointer;touch-action:manipulation}.context-row__chip:hover:not(:disabled){border-color:var(--primary)}.context-row__chip:disabled{opacity:.4;cursor:default}.context-row__chip--danger:hover:not(:disabled){border-color:var(--danger);color:var(--danger)}.context-row__popover{left:0;bottom:calc(100% + var(--space-2));z-index:10;gap:var(--space-3);background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-md);min-width:220px;padding:var(--space-3);box-shadow:var(--elev-2);flex-direction:column;display:flex;position:absolute}.context-row__align-grid{gap:var(--space-2);grid-template-columns:repeat(3,1fr);display:grid}.context-row__align-button{border:1px solid var(--border);border-radius:var(--radius-sm);text-align:center;min-height:44px}.context-row__hint{color:var(--text-dim);font-size:var(--fs-sm);margin:0}.layer-strip{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);background:var(--bg-panel);border-bottom:1px solid var(--border);flex:0 0 72px;display:flex;overflow:hidden}.layer-strip__add{z-index:2;appearance:none;background:var(--bg-panel);width:56px;height:56px;color:var(--text-dim);border:2px dashed var(--border);border-radius:var(--radius-md);cursor:pointer;touch-action:manipulation;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex;position:sticky;left:0}.layer-strip__add:hover:not(:disabled){border-color:var(--primary);color:var(--text)}.layer-strip__add:disabled{opacity:.4;cursor:default}.layer-strip__list{overscroll-behavior-x:contain;scroll-behavior:smooth;flex:1;align-items:center;gap:6px;min-width:0;height:56px;display:flex;overflow:auto hidden}.layer-strip__item{flex-shrink:0}.layer-strip__thumb{appearance:none;border-radius:var(--radius-sm);cursor:pointer;touch-action:manipulation;background:#000;border:2px solid #0000;flex-shrink:0;width:56px;height:56px;padding:0;position:relative;overflow:hidden}.layer-strip__thumb:disabled{opacity:.4;cursor:default}.layer-strip__img{object-fit:cover;pointer-events:none;width:100%;height:100%;display:block}.layer-strip__thumb--selected{border-color:var(--primary)}.layer-strip__thumb--selected:before{content:"";background:var(--primary);z-index:1;height:3px;position:absolute;top:0;left:0;right:0}.layer-strip__hidden-overlay{color:#fff;background:repeating-linear-gradient(-45deg,#0000008c 0 2px,#0000 2px 8px),#12121c59;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.layer-strip__list-button{z-index:2;min-width:44px;min-height:44px;padding:0 var(--space-3);appearance:none;background:var(--bg-input);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;touch-action:manipulation;flex-shrink:0;position:sticky;right:0}.layer-strip__list-button:hover:not(:disabled){border-color:var(--primary)}.layer-strip__list-button:disabled{opacity:.4;cursor:default}.primary-button{appearance:none;border-radius:var(--radius-sm);background:var(--primary);color:#fff;font-size:var(--fs-base);padding:14px var(--space-4);cursor:pointer;border:none;min-height:48px;font-weight:600;transition:background .15s}.primary-button:hover:not(:disabled){background:var(--primary-hover)}.primary-button:disabled{opacity:.55;cursor:default}.primary-button--accent{background:var(--accent)}.primary-button--accent:hover:not(:disabled){background:var(--accent-hover)}.text-button{appearance:none;color:var(--text-dim);font-size:var(--fs-sm);white-space:nowrap;cursor:pointer;padding:6px var(--space-2);border-radius:var(--radius-sm);background:0 0;border:none;min-height:44px}.text-button:hover:not(:disabled){color:var(--text);background:var(--bg-input)}.text-button--danger:hover:not(:disabled){color:var(--danger)}.alert{background:var(--danger-bg);border:1px solid var(--danger-border);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);font-size:var(--fs-sm)}.alert p{margin:4px 0}.layer-list{gap:var(--space-2);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.layer-item{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-2);flex-direction:column;display:flex}.layer-item__row{align-items:center;gap:var(--space-3);display:flex}.layer-item--hidden{opacity:.55}.layer-item--selected{border-color:var(--primary);background:color-mix(in srgb, var(--primary) 14%, var(--bg-input));box-shadow:none}.layer-item__main{appearance:none;color:inherit;font:inherit;text-align:left;align-items:center;gap:var(--space-3);border-radius:var(--radius-sm);cursor:default;background:0 0;border:none;flex:1;min-width:0;padding:2px;display:flex}.layer-item__main[role=button]{cursor:pointer}.layer-item__thumb{object-fit:cover;border-radius:var(--radius-sm);background:#000;flex-shrink:0;width:44px;height:44px}.layer-item__body{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.layer-item__name{border:1px solid var(--primary);border-radius:var(--radius-sm);width:100%;color:var(--text);font-size:var(--fs-base);background:0 0;padding:4px 6px}.layer-item__name:focus{background:var(--bg-panel);outline:none}.layer-item__name-text{font-size:var(--fs-base);line-height:var(--lh-tight);text-overflow:ellipsis;white-space:nowrap;padding:4px 6px;overflow:hidden}.layer-item__meta{color:var(--text-dim);font-size:var(--fs-xs);line-height:var(--lh-tight);padding-left:6px}.layer-item__quick-actions{align-items:center;gap:var(--space-1);flex-shrink:0;display:flex}.layer-item__menu{gap:var(--space-1);margin-top:var(--space-2);padding-top:var(--space-2);border-top:1px solid var(--border);flex-wrap:wrap;display:flex}.layer-item__menu .text-button{border:1px solid var(--border);border-radius:var(--radius-sm)}.icon-button{appearance:none;border:1px solid var(--border);background:color-mix(in srgb, var(--bg-input) 88%, white);color:var(--text);border-radius:var(--radius-sm);cursor:pointer;touch-action:manipulation;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:inline-flex}.icon-button:hover:not(:disabled){border-color:var(--primary)}.icon-button--danger:hover:not(:disabled){border-color:var(--danger);color:var(--danger)}.icon-button:disabled{opacity:.35;cursor:default}.field{flex-direction:column;gap:4px;display:flex}.field__label{font-size:var(--fs-xs);color:var(--text-dim)}.field__aux{color:var(--text-dim);font-size:var(--fs-xs);font-weight:400}.field-group{border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-3);gap:var(--space-2);flex-direction:column;display:flex}.field-group>legend{margin:0 0 2px}.field__input-group{align-items:center;gap:var(--space-2);display:flex}.field__input-group input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);min-width:0;color:var(--text);font-size:var(--fs-base);flex:1;padding:10px 12px}.field__input-group input:focus{border-color:var(--primary);outline:none}.field__suffix{color:var(--text-dim)}.field--checkbox{align-items:center;gap:var(--space-2);font-size:var(--fs-sm);flex-direction:row}.field--checkbox input{width:20px;height:20px;accent-color:var(--primary)}.field select,.field input[type=number],.field input[type=text]{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:var(--fs-base);min-height:44px;padding:10px 12px}.field select:focus,.field input[type=number]:focus,.field input[type=text]:focus{border-color:var(--primary);outline:none}.field--invalid{border-color:var(--danger)!important}.field__error{color:var(--danger);font-size:var(--fs-xs)}.field--radio{align-items:flex-start;gap:var(--space-3);flex-direction:row}.field--radio input[type=radio]{width:22px;min-width:22px;height:22px;accent-color:var(--primary);flex-shrink:0;margin-top:2px}.field--radio input[type=color]{border:1px solid var(--border);border-radius:var(--radius-sm);width:44px;height:44px;margin-left:var(--space-2);background:0 0;padding:0}.segmented-group{gap:var(--space-2);flex-wrap:wrap;display:flex}.segment{justify-content:center;align-items:center;gap:var(--space-1);min-width:84px;min-height:44px;padding:var(--space-2);text-align:center;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-input);color:var(--text);cursor:pointer;flex-direction:column;flex:1 1 0;display:flex;position:relative}.segment__thumb{width:40px;height:30px;color:var(--text-dim)}.segment:has(:checked){border-color:var(--primary);background:color-mix(in srgb, var(--primary) 14%, var(--bg-input))}.segment:has(:checked) .segment__thumb{color:var(--text)}.segment:has(:focus-visible){outline:2px solid var(--primary);outline-offset:2px}.segment:has(:disabled){opacity:.55;cursor:default}.segment__input{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.layout-editor{gap:var(--space-2);flex-direction:column;flex:1;min-height:0;display:flex}.layout-editor__shortcut-hint{margin:0;display:none}@media (width>=700px){.layout-editor__shortcut-hint{display:block}}.layout-editor__shortcut-hint>summary{color:var(--text-dim);font-size:var(--fs-xs);cursor:pointer}.layout-editor__shortcut-hint-text{color:var(--text-dim);font-size:var(--fs-xs);margin:4px 0 0}.layout-editor__viewport{background:var(--bg);flex:1;min-height:0;position:relative;overflow:hidden}.layout-editor__canvas{touch-action:none;cursor:default;width:100%;height:100%;display:block}.layout-editor__canvas:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}.layout-editor__readout{left:var(--space-4);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:var(--fs-xs);pointer-events:none;background:#12121cd9;padding:6px 10px;position:absolute;bottom:12px}.layout-editor__selection-badge{max-width:calc(100% - 24px);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:var(--fs-xs);text-overflow:ellipsis;white-space:nowrap;pointer-events:none;background:#12121cd9;padding:4px 10px;position:absolute;top:12px;left:12px;overflow:hidden}.layout-editor__history-overlay{gap:var(--space-2);display:flex;position:absolute;bottom:12px;right:12px}.layout-editor__overlay-button{appearance:none;border:1px solid var(--border);background:color-mix(in srgb, var(--bg-panel) 70%, transparent);color:var(--text);border-radius:var(--radius-full);cursor:pointer;touch-action:manipulation;justify-content:center;align-items:center;width:44px;height:44px;display:inline-flex}.layout-editor__overlay-button:hover:not(:disabled){border-color:var(--primary)}.layout-editor__overlay-button:disabled{opacity:.35;cursor:default}.layout-editor__overlay-button[aria-pressed=true]{background:var(--primary);border-color:var(--primary);color:#fff}.layout-editor__mode-overlay{gap:var(--space-2);display:flex;position:absolute;top:12px;right:12px}.stepper{align-items:center;gap:var(--space-1);display:flex}.stepper input{width:100%;min-width:0}.arrange-tray{gap:var(--space-2);max-height:224px;padding:var(--space-2) var(--space-3);background:var(--bg-panel);border-top:1px solid var(--border);flex-direction:column;flex:none;display:flex;overflow:hidden}.arrange-tray__body{overscroll-behavior:contain;gap:var(--space-2);flex-direction:column;flex:1;min-height:0;display:flex;overflow-y:auto}.arrange-tray__badge{background:color-mix(in srgb, var(--primary) 18%, var(--bg-input));border:1px solid var(--primary);border-radius:var(--radius-full);padding:2px var(--space-3);font-size:var(--fs-xs);color:var(--text);align-self:flex-start;margin:0}.arrange-tray__chips{gap:var(--space-2);overscroll-behavior-x:contain;padding-bottom:2px;display:flex;overflow-x:auto}.arrange-tray__chip{appearance:none;justify-content:center;align-items:center;gap:var(--space-1);min-width:84px;min-height:44px;padding:var(--space-2);border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-input);color:var(--text);font-size:var(--fs-xs);white-space:nowrap;cursor:pointer;touch-action:manipulation;flex-direction:column;flex-shrink:0;display:flex}.arrange-tray__chip:hover:not(:disabled){border-color:var(--primary)}.arrange-tray__chip:disabled{opacity:.4;cursor:default}.arrange-tray__thumb{width:32px;height:24px;color:var(--text-dim)}.arrange-tray__fields{gap:var(--space-3);flex-wrap:wrap;display:flex}.arrange-tray__fields .field{flex:1;min-width:100px}.arrange-tray__size-row{align-items:flex-start;gap:var(--space-3);flex-wrap:wrap;display:flex}.arrange-tray__size-row .field{flex:1;min-width:140px}.arrange-tray__hint{color:var(--text-dim);font-size:var(--fs-xs);margin:0}.arrange-tray__bg-chip{align-items:center;gap:var(--space-2);min-height:44px;padding:var(--space-2) var(--space-3);border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-input);color:var(--text);font-size:var(--fs-xs);white-space:nowrap;cursor:pointer;touch-action:manipulation;flex-shrink:0;display:flex}.arrange-tray__bg-chip:has(:checked){border-color:var(--primary);background:color-mix(in srgb, var(--primary) 14%, var(--bg-input))}.arrange-tray__bg-chip:has(:focus-visible){outline:2px solid var(--primary);outline-offset:2px}.arrange-tray__bg-chip input[type=radio]{width:18px;height:18px;accent-color:var(--primary);flex-shrink:0}.arrange-tray__bg-chip-color{border:1px solid var(--border);border-radius:var(--radius-sm);background:0 0;flex-shrink:0;width:28px;height:28px;padding:0}.workspace__action-bar{z-index:5;align-items:center;gap:var(--space-3);background:var(--bg-panel);border-top:1px solid var(--border);min-height:56px;padding:var(--space-2) var(--space-4);padding-bottom:calc(var(--space-2) + env(safe-area-inset-bottom));box-shadow:var(--elev-2);touch-action:manipulation;flex:none;display:flex;position:sticky;bottom:0}.workspace__arrange-button{appearance:none;border:1px solid var(--border);background:var(--bg-input);color:var(--text);border-radius:var(--radius-sm);min-height:44px;padding:0 var(--space-3);font-size:var(--fs-sm);white-space:nowrap;cursor:pointer;touch-action:manipulation;flex-shrink:0}.workspace__arrange-button:hover:not(:disabled){border-color:var(--primary)}.workspace__arrange-button:disabled{opacity:.4;cursor:default}.workspace__arrange-button[aria-expanded=true]{border-color:var(--primary)}.workspace__export-button{appearance:none;border-radius:var(--radius-sm);background:var(--accent);color:#fff;font-size:var(--fs-sm);padding:0 var(--space-4);white-space:nowrap;cursor:pointer;touch-action:manipulation;border:none;flex-shrink:0;min-height:44px;margin-left:auto;font-weight:600}.workspace__export-button:hover:not(:disabled){background:var(--accent-hover)}.workspace__export-button:disabled{opacity:.55;cursor:default}.sheet-overlay{z-index:30;background:#00000080;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet{background:var(--bg-panel);border:1px solid var(--border);border-top-left-radius:var(--radius-md);border-top-right-radius:var(--radius-md);width:100%;max-width:640px;max-height:85dvh;box-shadow:var(--elev-2);overscroll-behavior:contain;border-bottom:none;flex-direction:column;display:flex}.sheet__header{justify-content:space-between;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border);flex:none;display:flex}.sheet__title{font-size:var(--fs-lg);line-height:var(--lh-tight);margin:0}.sheet__body{overscroll-behavior:contain;gap:var(--space-4);padding:var(--space-4);padding-bottom:calc(var(--space-4) + env(safe-area-inset-bottom));flex-direction:column;display:flex;overflow-y:auto}.sheet__actions{gap:var(--space-1);flex-wrap:wrap;display:flex}.export-sheet__form,.export-sheet__fields{gap:var(--space-4);flex-direction:column;display:flex}.toast-stack{left:50%;bottom:calc(76px + env(safe-area-inset-bottom));z-index:20;align-items:center;gap:var(--space-2);flex-direction:column;max-width:calc(100vw - 32px);display:flex;position:fixed;transform:translate(-50%)}.toast-stack--above-tray{bottom:calc(76px + 224px + env(safe-area-inset-bottom))}.toast{align-items:center;gap:var(--space-3);background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-md);max-width:100%;box-shadow:var(--elev-2);padding:var(--space-2) var(--space-3);font-size:var(--fs-sm);display:flex}.toast--danger{border-color:var(--danger-border);background:var(--danger-bg)}.toast__message{overflow-wrap:break-word;min-width:0}.toast .text-button,.toast .icon-button{flex-shrink:0}