:root,[data-theme=light]{--color-bg:#f7f6f2;--color-surface:#f9f8f5;--color-surface-2:#fbfbf9;--color-surface-offset:#f3f0ec;--color-surface-dynamic:#e6e4df;--color-divider:#dcd9d5;--color-border:#d4d1ca;--color-text:#28251d;--color-text-muted:#7a7974;--color-text-faint:#bab9b4;--color-text-inverse:#f9f8f4;--color-primary:#01696f;--color-primary-hover:#0c4e54;--color-primary-highlight:#cedcd8;--color-warning:#964219;--color-warning-hover:#713417;--color-warning-highlight:#ddcfc6;--color-error:#a12c7b;--color-error-highlight:#e0ced7;--color-success:#437a22;--color-success-highlight:#d4dfcc;--color-orange:#da7101;--color-orange-highlight:#e7d7c4;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-full:9999px;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--shadow-sm:0 1px 2px oklch(0.2 0.01 80/0.06);--shadow-md:0 4px 12px oklch(0.2 0.01 80/0.08);--shadow-lg:0 12px 32px oklch(0.2 0.01 80/0.12);--transition:180ms cubic-bezier(0.16,1,0.3,1);--text-xs:clamp(0.75rem,0.7rem + 0.25vw,0.875rem);--text-sm:clamp(0.875rem,0.8rem + 0.35vw,1rem);--text-base:clamp(1rem,0.95rem + 0.25vw,1.125rem);--text-lg:clamp(1.125rem,1rem + 0.75vw,1.5rem);--text-xl:clamp(1.5rem,1.2rem + 1.25vw,2.25rem);--font-body:"Noto Sans JP","DM Sans",sans-serif;--content-default:960px}[data-theme=dark]{--color-bg:#171614;--color-surface:#1c1b19;--color-surface-2:#201f1d;--color-surface-offset:#1d1c1a;--color-surface-dynamic:#2d2c2a;--color-divider:#262523;--color-border:#393836;--color-text:#cdccca;--color-text-muted:#797876;--color-text-faint:#5a5957;--color-text-inverse:#2b2a28;--color-primary:#4f98a3;--color-primary-hover:#227f8b;--color-primary-highlight:#313b3b;--color-warning:#bb653b;--color-warning-highlight:#564942;--color-error:#d163a7;--color-error-highlight:#4c3d46;--color-success:#6daa45;--color-success-highlight:#3a4435;--color-orange:#fdab43;--color-orange-highlight:#564b3e;--shadow-sm:0 1px 2px oklch(0 0 0/0.2);--shadow-md:0 4px 12px oklch(0 0 0/0.3);--shadow-lg:0 12px 32px oklch(0 0 0/0.4)}@media (prefers-color-scheme:dark){:root:not([data-theme]){--color-bg:#171614;--color-surface:#1c1b19;--color-surface-2:#201f1d;--color-surface-offset:#1d1c1a;--color-surface-dynamic:#2d2c2a;--color-divider:#262523;--color-border:#393836;--color-text:#cdccca;--color-text-muted:#797876;--color-text-faint:#5a5957;--color-primary:#4f98a3;--color-primary-hover:#227f8b;--color-primary-highlight:#313b3b;--color-warning:#bb653b;--color-warning-highlight:#564942;--color-error:#d163a7;--color-error-highlight:#4c3d46;--color-success:#6daa45;--color-success-highlight:#3a4435;--color-orange:#fdab43;--color-orange-highlight:#564b3e;--shadow-sm:0 1px 2px oklch(0 0 0/0.2);--shadow-md:0 4px 12px oklch(0 0 0/0.3);--shadow-lg:0 12px 32px oklch(0 0 0/0.4)}}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{text-size-adjust:none;-webkit-font-smoothing:antialiased;scroll-behavior:smooth}body{min-height:100dvh;font-family:var(--font-body);font-size:var(--text-base);color:var(--color-text);background:var(--color-bg)}img{display:block;max-width:100%}button{cursor:pointer;background:none;border:none;transition:color var(--transition),background var(--transition),box-shadow var(--transition)}button,input,select{font:inherit;color:inherit}input,select{transition:border-color var(--transition),box-shadow var(--transition)}::selection{background:oklch(from var(--color-primary) l c h/.2)}:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;border-radius:var(--radius-sm)}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;transition-duration:.01ms!important}}.app{display:flex;flex-direction:column;min-height:100dvh}.header{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm)}.header-inner{max-width:var(--content-default);margin-inline:auto;padding:var(--space-3) var(--space-4);gap:var(--space-3)}.header-inner,.logo{display:flex;align-items:center}.logo{gap:var(--space-2);font-size:var(--text-lg);font-weight:700;color:var(--color-text);text-decoration:none;flex-shrink:0}.logo svg{color:var(--color-primary)}.header-spacer{flex:1 1}.header-actions{gap:var(--space-2)}.btn-icon,.header-actions{display:flex;align-items:center}.btn-icon{justify-content:center;width:40px;height:40px;border-radius:var(--radius-md);color:var(--color-text-muted);font-size:1.1rem}.btn-icon:hover{background:var(--color-surface-offset);color:var(--color-text)}.btn-icon:active{background:var(--color-surface-dynamic)}.search-wrap{flex:1 1;max-width:320px;position:relative}.search-input{width:100%;padding:var(--space-2) var(--space-3) var(--space-2) 2.2rem;background:var(--color-surface-offset);border:1px solid transparent;border-radius:var(--radius-full);font-size:var(--text-sm);color:var(--color-text);outline:none}.search-input:focus{border-color:var(--color-primary);background:var(--color-surface-2);box-shadow:0 0 0 3px var(--color-primary-highlight)}.search-input::placeholder{color:var(--color-text-faint)}.search-icon{position:absolute;left:var(--space-3);top:50%;transform:translateY(-50%);color:var(--color-text-faint);pointer-events:none;font-size:.9rem}.main{flex:1 1;max-width:var(--content-default);margin-inline:auto;width:100%;padding:var(--space-6) var(--space-4)}.tab-bar{display:flex;gap:var(--space-2);overflow-x:auto;padding-bottom:var(--space-1);margin-bottom:var(--space-6);scrollbar-width:none}.tab-bar::-webkit-scrollbar{display:none}.tab-btn{flex-shrink:0;padding:var(--space-2) var(--space-4);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:500;color:var(--color-text-muted);background:var(--color-surface);border:1px solid var(--color-border);white-space:nowrap}.tab-btn:hover{background:var(--color-surface-offset);color:var(--color-text)}.tab-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-text-inverse)}.tab-btn:active{transform:scale(.97)}.summary-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:var(--space-3);gap:var(--space-3);margin-bottom:var(--space-6)}.summary-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4);box-shadow:var(--shadow-sm)}.summary-label{font-size:var(--text-xs);color:var(--color-text-muted);margin-bottom:var(--space-1)}.summary-value{font-size:var(--text-xl);font-weight:700;line-height:1}.summary-value.ok{color:var(--color-success)}.summary-value.low{color:var(--color-orange)}.summary-value.out{color:var(--color-error)}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-4)}.section-head h2{font-size:var(--text-lg);font-weight:700}.btn-primary{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);background:var(--color-primary);color:var(--color-text-inverse);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:500}.btn-primary:hover{background:var(--color-primary-hover);box-shadow:var(--shadow-md)}.btn-primary:active{transform:scale(.97)}.item-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(280px,100%),1fr));grid-gap:var(--space-4);gap:var(--space-4)}.item-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-4);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition),transform var(--transition);position:relative;overflow:hidden}.item-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.item-card.low-stock{border-color:var(--color-orange)}.item-card.out-stock{border-color:var(--color-error)}.item-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:var(--space-3)}.item-emoji{font-size:1.8rem;line-height:1;margin-bottom:var(--space-2)}.item-name{font-size:var(--text-base);font-weight:700;margin-bottom:var(--space-1)}.item-category{font-size:var(--text-xs);color:var(--color-text-muted);display:inline-flex;align-items:center;gap:var(--space-1);background:var(--color-surface-offset);padding:.15rem var(--space-2);border-radius:var(--radius-full)}.stock-status{display:flex;align-items:center;gap:var(--space-2);margin:var(--space-3) 0}.stock-badge{font-size:var(--text-xs);font-weight:600;padding:.15rem var(--space-2);border-radius:var(--radius-full)}.stock-badge.ok{background:var(--color-success-highlight);color:var(--color-success)}.stock-badge.low{background:var(--color-orange-highlight);color:var(--color-orange)}.stock-badge.out{background:var(--color-error-highlight);color:var(--color-error)}.quantity-control{gap:var(--space-3);background:var(--color-surface-offset);padding:var(--space-1) var(--space-2)}.qty-btn,.quantity-control{display:flex;align-items:center;border-radius:var(--radius-full)}.qty-btn{width:32px;height:32px;justify-content:center;font-size:1.1rem;font-weight:700;color:var(--color-primary);flex-shrink:0}.qty-btn:hover{background:var(--color-primary-highlight)}.qty-btn:active{background:var(--color-primary);color:var(--color-text-inverse);transform:scale(.93)}.qty-btn:disabled{opacity:.3;cursor:not-allowed}.qty-display{font-size:var(--text-base);font-weight:700;min-width:3ch;text-align:center;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.qty-unit{font-size:var(--text-xs);color:var(--color-text-muted)}.item-footer{display:flex;align-items:center;justify-content:space-between;margin-top:var(--space-3);padding-top:var(--space-3);border-top:1px solid var(--color-divider)}.item-threshold{font-size:var(--text-xs);color:var(--color-text-muted)}.item-actions{display:flex;gap:var(--space-1)}.item-action-btn{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-size:.85rem;color:var(--color-text-faint)}.item-action-btn:hover{background:var(--color-surface-dynamic);color:var(--color-text-muted)}@keyframes qty-pop{0%{transform:scale(1.4);color:var(--color-primary)}to{transform:scale(1)}}.qty-changed{animation:qty-pop .3s ease-out forwards}.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--space-16) var(--space-8);color:var(--color-text-muted)}.empty-icon{font-size:3rem;margin-bottom:var(--space-4);opacity:.4}.empty-state h3{font-size:var(--text-lg);font-weight:700;color:var(--color-text);margin-bottom:var(--space-2)}.empty-state p{max-width:32ch;margin-bottom:var(--space-6);color:var(--color-text-muted)}.modal-overlay{position:fixed;inset:0;z-index:200;background:oklch(.15 0 0/.5);display:flex;align-items:flex-end;justify-content:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .25s ease}.modal-overlay.open{opacity:1;pointer-events:all}@media (min-width:600px){.modal-overlay{align-items:center}}.modal{background:var(--color-surface);border-radius:var(--radius-xl) var(--radius-xl) 0 0;padding:var(--space-6);width:100%;max-width:480px;max-height:90dvh;overflow-y:auto;box-shadow:var(--shadow-lg);transform:translateY(100%);transition:transform .3s cubic-bezier(.16,1,.3,1)}.modal-overlay.open .modal{transform:translateY(0)}@media (min-width:600px){.modal{border-radius:var(--radius-xl);transform:translateY(20px) scale(.96)}.modal-overlay.open .modal{transform:translateY(0) scale(1)}}.modal-handle{width:40px;height:4px;background:var(--color-border);border-radius:var(--radius-full);margin:0 auto var(--space-5)}@media (min-width:600px){.modal-handle{display:none}}.modal-title{font-size:var(--text-lg);font-weight:700;margin-bottom:var(--space-5)}.modal-close{position:absolute;top:var(--space-4);right:var(--space-4);width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);color:var(--color-text-muted);font-size:1.2rem}.modal-close:hover{background:var(--color-surface-offset);color:var(--color-text)}.modal{position:relative}.form-group{margin-bottom:var(--space-4)}.form-label{display:block;font-size:var(--text-sm);font-weight:500;margin-bottom:var(--space-2);color:var(--color-text)}.form-input,.form-select{width:100%;padding:var(--space-3) var(--space-4);background:var(--color-surface-offset);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-base);color:var(--color-text);outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}.form-input:focus,.form-select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-highlight);background:var(--color-surface-2)}.form-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:var(--space-3);gap:var(--space-3)}.form-actions{display:flex;gap:var(--space-3);margin-top:var(--space-6)}.btn-secondary{flex:1 1;padding:var(--space-3) var(--space-4);background:var(--color-surface-offset);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:500;color:var(--color-text);text-align:center}.btn-secondary:hover{background:var(--color-surface-dynamic)}.btn-submit{flex:2 1;padding:var(--space-3) var(--space-4);background:var(--color-primary);color:var(--color-text-inverse);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:500;text-align:center}.btn-submit:hover{background:var(--color-primary-hover)}.btn-secondary:active,.btn-submit:active{transform:scale(.98)}.btn-danger{padding:var(--space-3) var(--space-4);background:var(--color-error-highlight);border:1px solid transparent;border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:500;color:var(--color-error);text-align:center}.btn-danger:hover{background:var(--color-error);color:var(--color-text-inverse)}.toast-wrap{position:fixed;bottom:var(--space-6);left:50%;transform:translateX(-50%);z-index:300;display:flex;flex-direction:column;gap:var(--space-2);pointer-events:none}.toast{background:var(--color-text);color:var(--color-bg);padding:var(--space-3) var(--space-5);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:500;box-shadow:var(--shadow-lg);white-space:nowrap;opacity:0;transform:translateY(10px);transition:opacity .2s ease,transform .2s ease}.toast.show{opacity:1;transform:translateY(0)}.bottom-nav{display:none;position:-webkit-sticky;position:sticky;bottom:0;z-index:100;background:var(--color-surface);border-top:1px solid var(--color-border);padding:var(--space-2) var(--space-4) calc(var(--space-2) + env(safe-area-inset-bottom))}@media (max-width:600px){.bottom-nav{display:flex;justify-content:space-around}}.bottom-nav-btn{display:flex;flex-direction:column;align-items:center;gap:var(--space-1);min-width:64px;min-height:44px;justify-content:center;color:var(--color-text-muted);font-size:var(--text-xs);border-radius:var(--radius-md);padding:var(--space-1)}.bottom-nav-btn svg{width:22px;height:22px}.bottom-nav-btn.active{color:var(--color-primary)}.bottom-nav-btn:active{background:var(--color-surface-offset);transform:scale(.93)}.delete-confirm-wrap{display:none;flex-direction:column;gap:var(--space-3);margin-top:var(--space-4);background:var(--color-error-highlight);border-radius:var(--radius-md);padding:var(--space-3)}.delete-confirm-wrap.show{display:flex}.delete-confirm-msg{font-size:var(--text-sm);color:var(--color-error)}.filter-bar{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-5);flex-wrap:wrap}.filter-select{padding:var(--space-2) var(--space-3);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);color:var(--color-text);outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer;padding-right:var(--space-8);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237a7974' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--space-2) center}.filter-select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-highlight)}.filter-label{font-size:var(--text-xs);color:var(--color-text-muted)}.loading-overlay{position:fixed;inset:0;z-index:400;display:flex;align-items:center;justify-content:center;background:var(--color-bg)}.spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:600px){.search-wrap{display:none}.summary-bar{grid-template-columns:repeat(3,1fr);gap:var(--space-2)}.summary-card{padding:var(--space-3)}.main{padding:var(--space-4) var(--space-3)}.section-head h2{font-size:var(--text-base)}}@media (max-width:400px){.item-grid{grid-template-columns:1fr}}