.app-shell{min-height:100vh;display:grid;grid-template-rows:auto 1fr}.app-header{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.5rem;background:#0f172a;color:#f8fafc;gap:1rem;flex-wrap:wrap}.app-header__actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.app-header__github{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;border-radius:999px;color:#f8fafc;transition:background-color .2s ease,color .2s ease}.app-header__github:hover,.app-header__github:focus-visible{background:#94a3b840;color:#f8fafc;outline:none}.app-header__github:focus-visible{box-shadow:0 0 0 2px #94a3b880}.brand{font-size:1.25rem;font-weight:700}.brand:hover{text-decoration:none}.app-nav{display:flex;gap:1rem;align-items:center}.language-toggle{cursor:pointer;border:1px solid rgba(248,250,252,.4);border-radius:999px;padding:.35rem .85rem;background:transparent;color:#f8fafc;font-weight:600;transition:background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease}.language-toggle:hover,.language-toggle:focus-visible{background:#94a3b840;border-color:#f8fafcb3;color:#f8fafc;outline:none}.language-toggle:focus-visible{box-shadow:0 0 0 2px #94a3b880}.app-nav a{color:inherit;padding:.35rem .75rem;border-radius:.375rem;transition:background-color .2s ease}.app-nav a.active,.app-nav a:hover{background:#94a3b840;text-decoration:none}.app-main{padding:2rem;background:#f3f4f6}.page{max-width:1200px;margin:0 auto;background:#fff;padding:2rem;border-radius:1rem;box-shadow:0 10px 30px #0f172a14;display:flex;flex-direction:column;gap:2rem}.page--center{align-items:center;text-align:center}.page__header{display:flex;flex-direction:column;gap:.5rem}.page__lede{color:#475569}.page__note{margin:0;color:#0f172a;background:#e0f2fe;border-left:4px solid #0284c7;padding:.75rem 1rem;border-radius:.75rem;font-size:.95rem}.button{cursor:pointer;border:none;border-radius:.5rem;padding:.75rem 1.25rem;font-weight:600;transition:transform .15s ease,box-shadow .15s ease}.button:active{transform:translateY(1px)}.button--primary{background:#2563eb;color:#f8fafc;box-shadow:0 8px 20px #2563eb40}.button--primary:hover{box-shadow:0 10px 24px #2563eb59}.button:disabled{cursor:not-allowed;opacity:.6;box-shadow:none}.layout{display:grid;grid-template-columns:minmax(280px,320px) 1fr;gap:2rem}.controls{display:flex;flex-direction:column;gap:1.5rem;position:sticky;top:1rem;align-self:flex-start}.controls__group{display:flex;flex-direction:column;gap:.75rem;padding:1rem;border:1px solid #e2e8f0;border-radius:.75rem;background:#f8fafc}.controls__field{display:flex;flex-direction:column;gap:.35rem;font-size:.95rem}.controls__field input,.controls__field select{padding:.5rem .65rem;border-radius:.5rem;border:1px solid #cbd5e1;background:#fff}.controls__field input:disabled{color:#94a3b8;background:#e2e8f0}.controls__checkbox{flex-direction:row;align-items:center;gap:.5rem}.controls__status{font-size:.85rem;color:#475569;margin:0}.controls__summary{font-weight:600;color:#1f2937;margin:0}.controls__grid{display:grid;gap:.75rem}.controls__grid--two{grid-template-columns:repeat(2,minmax(0,1fr))}.controls__file{display:flex;flex-direction:column;gap:.5rem}.controls__file input{padding:.25rem 0}.preview{display:flex;align-items:center;justify-content:center;overflow:auto;padding:1rem;background:#e2e8f0;border-radius:1rem}.preview__page{display:flex;align-items:stretch;justify-content:center;position:relative;overflow:hidden;border-radius:.75rem}.preview__page-inner{box-sizing:border-box;background:#fff;box-shadow:0 12px 30px #0f172a1f;display:flex;align-items:stretch;justify-content:center;border-radius:.75rem;transition:transform .2s ease}.preview__page-inner:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;pointer-events:none;box-shadow:inset 0 0 0 1px #0f172a14}.preview__page-inner>*{transform-origin:top left}.preview__grid{display:grid;width:100%;height:100%;justify-content:center;align-content:center;grid-template-columns:repeat(var(--tiles-per-row, 1),minmax(0,var(--tile-width, 0)));grid-auto-rows:var(--tile-height, auto);gap:var(--tile-gap, 0)}.preview__tile{margin:0;padding:0;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:.2rem;width:100%;height:100%}.preview__tile img{width:100%;height:100%;object-fit:cover}.preview__placeholder{display:flex;align-items:center;justify-content:center;width:100%;height:100%;color:#64748b;font-size:.95rem;text-align:center;background:repeating-linear-gradient(45deg,transparent,transparent 12mm,rgba(15,23,42,.04) 12mm,rgba(15,23,42,.04) 24mm),#f8fafc;border-radius:.5rem;border:1px dashed rgba(100,116,139,.35);padding:1.25rem}.notes ul{margin:0;padding-left:1.3rem;display:grid;gap:.4rem}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width: 960px){.layout{grid-template-columns:1fr}.preview{order:-1;width:100%;padding:.75rem}.app-header__actions{width:100%;justify-content:space-between;flex-wrap:wrap;gap:.75rem}.app-nav{flex-wrap:wrap;row-gap:.5rem}.controls{position:static}}@media (max-width: 768px){.app-main{padding:1.5rem}.page{padding:1.5rem;border-radius:.75rem}.app-header{padding:.75rem 1rem}.app-header__actions{gap:.75rem}}@media (max-width: 560px){.app-main{padding:1rem}.page{padding:1.25rem;gap:1.5rem}.app-header{flex-direction:column;align-items:stretch;text-align:center}.brand{align-self:center}.app-header__actions{justify-content:center}.app-nav{width:100%;justify-content:center;gap:.5rem}.app-nav a{flex:1 1 45%;text-align:center}.language-toggle,.app-header__github{flex:1 1 45%}.controls__grid--two{grid-template-columns:1fr}.controls__group{padding:.85rem}.button{width:100%}.preview{padding:.5rem}.preview__page-inner{border-radius:.5rem}}@media print{body{background:#fff}.app-header,.notes,.controls,.button,.language-toggle,.page__note,.page__header{display:none!important}.app-main,.page{padding:0;margin:0;max-width:none;box-shadow:none;background:transparent;gap:0}.preview{padding:0;background:transparent;display:block}.preview__page{width:auto!important;height:auto!important;overflow:visible;transform:none!important;aspect-ratio:auto!important}.preview__page-inner{transform:none!important;box-shadow:none;border-radius:0;width:calc(var(--page-width-mm, 210) * 1mm)!important;height:calc(var(--page-height-mm, 297) * 1mm)!important;padding:calc(var(--page-margin-mm, 0) * 1mm)!important}.preview__grid{grid-template-columns:repeat(var(--tiles-per-row, 1),minmax(0,var(--tile-width-print, auto)));grid-auto-rows:var(--tile-height-print, auto);gap:var(--tile-gap-print, 0)}}.preview__grid{background:repeating-linear-gradient(45deg,transparent,transparent 12mm,rgba(15,23,42,.04) 12mm,rgba(15,23,42,.04) 24mm),#fff}@media print{.preview__grid{background:transparent}}:root{color-scheme:light dark;font-family:Segoe UI,Hiragino Kaku Gothic ProN,Meiryo,sans-serif;line-height:1.5;font-weight:400;background-color:#f3f4f6;color:#1f2933}*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}