:root{--color-bg:#fff;--color-text:#1a1a1a;--color-sub:#555;--color-border:#ccc;--color-primary:#0d6b2f;--color-primary-press:#095223;--color-accent:#b30000;--color-warn-bg:#ffe1e1;--color-warn-border:#cc2929;--nav-height:64px;--total-bar-height:84px;font-size:17px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{height:100%}body{background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;overscroll-behavior:none;font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif}button{font-family:inherit;font-size:inherit;color:inherit;cursor:pointer;touch-action:manipulation;background:0 0;border:none}input{font-family:inherit}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none}input[type=number]{appearance:textfield}.app{min-height:100dvh}.app-main{min-height:100dvh;padding-bottom:calc(var(--nav-height) + env(safe-area-inset-bottom))}.nav-bar{height:calc(var(--nav-height) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);border-top:2px solid var(--color-border);z-index:100;background:#fff;display:flex;position:fixed;bottom:0;left:0;right:0}.nav-btn{min-height:44px;color:var(--color-sub);flex:1;justify-content:center;align-items:center;font-size:1.05rem;font-weight:700;display:flex}.nav-btn.active{color:var(--color-primary);box-shadow:inset 0 4px 0 var(--color-primary)}.nav-home{border-right:1px solid var(--color-border);flex:0 0 64px;font-size:1.7rem}.btn-primary{background:var(--color-primary);color:#fff;border-radius:12px;font-weight:700}.btn-primary:active{background:var(--color-primary-press)}.btn-primary:disabled{cursor:default;background:#aaa}.btn-secondary{color:var(--color-primary);border:3px solid var(--color-primary);background:#fff;border-radius:12px;font-weight:700}.btn-big{width:100%;min-height:64px;font-size:1.3rem;display:block}.btn-back{border:2px solid var(--color-border);min-height:56px;color:var(--color-sub);background:#fff;border-radius:12px;padding:0 24px;font-size:1.1rem;font-weight:700}.placeholder{text-align:center;padding:32px 20px}.placeholder h2{margin-bottom:16px;font-size:1.4rem}.placeholder p{color:var(--color-sub);font-size:1.1rem}.home{flex-direction:column;gap:24px;max-width:480px;margin:0 auto;padding:40px 20px;display:flex}.home-title{text-align:center;font-size:1.8rem}.home-session-card{border:2px solid var(--color-primary);text-align:center;border-radius:12px;padding:16px}.home-session-label{background:var(--color-primary);color:#fff;border-radius:999px;margin-bottom:8px;padding:2px 12px;font-size:.9rem;font-weight:700;display:inline-block}.home-session-name{font-size:1.25rem;font-weight:700}.home-session-date{color:var(--color-sub);margin-top:4px}.home-empty{text-align:center;color:var(--color-sub);font-size:1.1rem}.register{padding:12px 12px calc(var(--total-bar-height) + var(--nav-height) + env(safe-area-inset-bottom) + 12px)}.product-grid{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}@media (width>=480px){.product-grid{grid-template-columns:repeat(3,1fr)}}.product-btn{border:2px solid #00000040;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:2px;min-height:88px;padding:8px;display:flex;position:relative}.product-btn:active{filter:brightness(.85)}.product-name{font-size:1.15rem;font-weight:700;line-height:1.2}.product-price{font-size:1.1rem;font-weight:700}.product-stock{color:#333;font-size:.85rem}.product-btn.sold-out{background:var(--color-warn-bg);border-color:var(--color-warn-border)}.sold-out-badge{background:var(--color-accent);color:#fff;border-radius:999px;padding:2px 8px;font-size:.8rem;font-weight:700;position:absolute;top:-8px;right:-4px}.grid-empty{text-align:center;color:var(--color-sub);grid-column:1/-1;padding:24px 0}.cart{border-top:2px solid var(--color-border);margin-top:16px}.cart-line{border-bottom:1px solid var(--color-border);padding:10px 0}.cart-line-info{justify-content:space-between;margin-bottom:6px;font-size:1.05rem;display:flex}.cart-line-name{font-weight:700}.cart-line-price{color:var(--color-sub)}.cart-line-controls{align-items:center;gap:8px;display:flex}.qty-btn{border:2px solid var(--color-border);background:#fff;border-radius:10px;width:48px;height:48px;font-size:1.4rem;font-weight:700}.qty-btn:active{background:#eee}.qty-input{text-align:center;border:2px solid var(--color-border);border-radius:10px;width:60px;height:48px;font-size:1.2rem;font-weight:700}.cart-line-subtotal{text-align:right;flex:1;font-size:1.2rem;font-weight:700}.line-delete{width:44px;height:44px;color:var(--color-accent);border-radius:10px;font-size:1.2rem;font-weight:700}.discount-row{align-items:center;gap:8px;padding:12px 0;display:flex}.discount-label{font-weight:700}.discount-minus{color:var(--color-accent);font-size:1.1rem;font-weight:700}.discount-input{text-align:right;width:90px;height:48px;color:var(--color-accent);border:2px solid var(--color-border);border-radius:10px;padding:0 8px;font-size:1.2rem;font-weight:700}.discount-quick,.discount-clear{border:2px solid var(--color-border);background:#fff;border-radius:10px;min-height:44px;padding:0 12px;font-weight:700}.discount-clear{color:var(--color-accent);border-color:var(--color-accent)}.total-bar{left:0;right:0;bottom:calc(var(--nav-height) + env(safe-area-inset-bottom));height:var(--total-bar-height);color:#fff;z-index:90;background:#10331d;align-items:center;gap:12px;padding:0 16px;display:flex;position:fixed}.total-bar-amount{flex-direction:column;flex:1;display:flex}.total-bar-label{opacity:.9;font-size:.85rem}.total-bar-value{font-size:2rem;font-weight:700;line-height:1.1}.checkout-btn{color:#1a1a1a;background:#ffd400;min-height:60px;padding:0 28px;font-size:1.3rem}.checkout-btn:active{background:#e6bf00}.checkout-btn:disabled{color:#aaa;background:#666}.overlay{inset:0;bottom:calc(var(--nav-height) + env(safe-area-inset-bottom));z-index:95;background:#fff;flex-direction:column;gap:14px;width:100%;max-width:520px;margin:0 auto;padding:20px 16px;display:flex;position:fixed;overflow-y:auto}.overlay-total{text-align:center;padding:8px 0}.overlay-total-label{color:var(--color-sub);font-weight:700;display:block}.overlay-total-value{font-size:3rem;font-weight:700}.pay-method-btn{color:#fff;border-radius:14px;min-height:88px;font-size:1.6rem;font-weight:700}.pay-cash{background:var(--color-primary)}.pay-paypay{background:#d21f2c}.pay-method-btn:active{filter:brightness(.85)}.overlay-actions{gap:12px;margin-top:auto;display:flex}.confirm-btn{flex:1;min-height:64px;font-size:1.4rem}.cash-rows{flex-direction:column;gap:6px;display:flex}.cash-row{justify-content:space-between;align-items:baseline;font-size:1.1rem;font-weight:700;display:flex}.cash-row-value{font-size:1.5rem}.cash-row-value.tendered{color:var(--color-primary);font-size:1.9rem}.change-display{border:2px solid var(--color-primary);background:#e7f5ec;border-radius:12px;justify-content:space-between;align-items:baseline;padding:10px 14px;display:flex}.change-label{font-size:1.2rem;font-weight:700}.change-value{color:var(--color-primary);font-size:2.8rem;font-weight:700}.change-display.short{background:var(--color-warn-bg);border-color:var(--color-warn-border);justify-content:center}.change-short-text{color:var(--color-accent);padding:8px 0;font-weight:700}.quick-row{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.quick-btn{border:2px solid var(--color-primary);min-height:52px;color:var(--color-primary);background:#fff;border-radius:10px;font-weight:700}.quick-btn:active{background:#e7f5ec}.keypad{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.key-btn{border:2px solid var(--color-border);background:#fff;border-radius:10px;min-height:60px;font-size:1.5rem;font-weight:700}.key-btn:active{background:#eee}.key-clear{color:var(--color-accent);border-color:var(--color-accent)}.paypay-note{text-align:center;margin-top:24px;font-size:1.15rem;font-weight:700}.paypay-amount{text-align:center;font-size:4rem;font-weight:700}.home-btns{flex-direction:column;gap:12px;display:flex}.btn-danger-outline{color:var(--color-accent);border:3px solid var(--color-accent);background:#fff;border-radius:12px;font-weight:700}.btn-danger-outline:active{background:var(--color-warn-bg)}.btn-danger-outline:disabled{opacity:.5;cursor:default}.section-title{margin-bottom:10px;font-size:1.15rem}.session-list{flex-direction:column;gap:10px;list-style:none;display:flex}.session-row{border:2px solid var(--color-border);border-radius:12px;flex-direction:column;gap:6px;padding:12px 14px;display:flex}.session-row-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.session-row-name{font-size:1.05rem;font-weight:700}.session-row-date{color:var(--color-sub);font-size:.95rem}.session-status{color:var(--color-sub);background:#e5e5e5;border-radius:999px;flex:none;padding:2px 10px;font-size:.8rem;font-weight:700}.session-status.active{background:var(--color-primary);color:#fff}.session-template-btn{border:2px solid var(--color-primary);min-height:44px;color:var(--color-primary);background:#fff;border-radius:10px;margin-top:4px;font-weight:700}.session-template-btn:active{background:#e7f5ec}.screen-title{font-size:1.5rem}.field{flex-direction:column;gap:6px;display:flex}.field-row{gap:12px;display:flex}.field-row .field{flex:1}.field-label{font-weight:700}.text-input{border:2px solid var(--color-border);background:#fff;border-radius:10px;width:100%;min-height:52px;padding:0 12px;font-size:1.1rem}.text-input:focus{outline:3px solid var(--color-primary);outline-offset:-1px}.btn-block{width:100%;display:block}.form-error{color:var(--color-accent);font-size:.95rem;font-weight:700}.sold-note{color:var(--color-sub);font-size:.95rem}.new-session{flex-direction:column;gap:20px;max-width:520px;margin:0 auto;padding:28px 20px;display:flex}.template-options{flex-direction:column;gap:8px;display:flex}.template-option{border:2px solid var(--color-border);text-align:left;background:#fff;border-radius:12px;flex-direction:column;gap:2px;min-height:56px;padding:10px 14px;display:flex}.template-option.selected{border:3px solid var(--color-primary);background:#e7f5ec}.template-option-name{font-size:1.05rem;font-weight:700}.template-option-sub{color:var(--color-sub);font-size:.9rem}.template-copy-note{color:var(--color-sub);margin-top:8px;font-size:.95rem;font-weight:700}.template-preview{border:2px solid var(--color-border);border-radius:12px;flex-direction:column;gap:8px;padding:12px 14px;display:flex}.template-preview-title{font-weight:700}.template-preview-list{flex-direction:column;gap:4px;list-style:none;display:flex}.template-preview-item{justify-content:space-between;gap:8px;font-size:.95rem;display:flex}.template-preview-meta{color:var(--color-sub);flex:none}.template-preview-hidden{color:var(--color-sub);font-size:.85rem}.template-preview-empty{color:var(--color-sub);font-size:.95rem}.template-preview-note{color:var(--color-sub);font-size:.85rem}.products{flex-direction:column;gap:16px;max-width:560px;margin:0 auto;padding:28px 16px 20px;display:flex}.products-session-name{color:var(--color-sub);margin-top:-8px}.product-list{flex-direction:column;gap:10px;list-style:none;display:flex}.product-row{border:2px solid var(--color-border);border-radius:12px;overflow:hidden}.product-row.editing{border-color:var(--color-primary)}.product-row-main{background:#fff;align-items:center;gap:8px;padding:8px 10px;display:flex}.product-row-tap{text-align:left;flex:1;align-items:center;gap:10px;min-height:48px;display:flex}.color-chip{border:1px solid #0003;border-radius:8px;flex:none;width:28px;height:28px}.product-row-texts{flex-direction:column;gap:2px;display:flex}.product-row-name{font-size:1.1rem;font-weight:700;line-height:1.2}.product-row-meta{color:var(--color-sub);font-size:.9rem}.sort-btn{border:2px solid var(--color-border);background:#fff;border-radius:10px;flex:none;width:44px;height:44px;font-size:1.2rem;font-weight:700}.sort-btn:active{background:#eee}.sort-btn:disabled{opacity:.3;cursor:default}.hide-toggle{border:2px solid var(--color-primary);min-width:64px;height:44px;color:var(--color-primary);background:#fff;border-radius:10px;flex:none;padding:0 8px;font-size:.9rem;font-weight:700}.hide-toggle:active{background:#eee}.hide-toggle.is-hidden{color:#fff;background:#888;border-color:#888}.product-row.hidden-product .product-row-main{background:#f2f2f2}.product-row.hidden-product .product-row-tap{opacity:.55}.hidden-badge{vertical-align:2px;color:#fff;background:#888;border-radius:999px;margin-left:6px;padding:1px 8px;font-size:.75rem;font-weight:700;display:inline-block}.product-list-empty{text-align:center;color:var(--color-sub);padding:24px 0}.product-edit{border-top:1px solid var(--color-border);background:#fafafa;padding:14px 12px}.product-add-form{border:2px solid var(--color-primary);border-radius:12px;flex-direction:column;gap:10px;padding:14px 12px;display:flex}.product-add-title{font-size:1.1rem;font-weight:700}.product-form{flex-direction:column;gap:14px;display:flex}.palette{flex-wrap:wrap;gap:10px;display:flex}.palette-swatch{border:2px solid #00000026;border-radius:12px;width:48px;height:48px}.palette-swatch.selected{border-color:var(--color-text);outline:3px solid var(--color-primary);outline-offset:2px}.form-actions{gap:10px;display:flex}.form-save-btn{flex:1;min-height:56px;font-size:1.15rem}.form-actions .btn-back{min-height:56px}.form-delete-btn{border-width:2px;min-height:56px;padding:0 16px}.history{flex-direction:column;gap:14px;max-width:560px;margin:0 auto;padding:28px 16px 20px;display:flex}.history-head{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.history-meta{color:var(--color-sub);flex:none;font-size:.9rem;font-weight:700}.undo-last-btn{flex-wrap:wrap;justify-content:center;align-items:center;gap:4px;min-height:56px;padding:8px 16px;font-size:1.1rem;display:flex}.undo-last-target{font-size:.95rem}.history-feedback{border:2px solid var(--color-primary);color:var(--color-primary);text-align:center;background:#e7f5ec;border-radius:12px;padding:12px 14px;font-weight:700}.history-empty{text-align:center;color:var(--color-sub);padding:24px 0}.history-list{flex-direction:column;gap:10px;list-style:none;display:flex}.history-row{border:2px solid var(--color-border);border-radius:12px;flex-direction:column;gap:6px;padding:10px 12px;display:flex}.history-row.cancelled{background:#f2f2f2;border-color:#ddd}.history-row.cancelled .history-time,.history-row.cancelled .history-items,.history-row.cancelled .history-total,.history-row.cancelled .history-discount{color:#999;text-decoration:line-through}.history-row-top{align-items:center;gap:8px;display:flex}.history-time{font-size:1.05rem;font-weight:700}.pay-badge{color:#fff;border-radius:999px;flex:none;padding:2px 10px;font-size:.8rem;font-weight:700}.pay-badge.cash{background:var(--color-primary)}.pay-badge.paypay{background:#d21f2c}.history-row.cancelled .pay-badge{background:#aaa}.cancelled-badge{color:#fff;background:#555;border-radius:999px;flex:none;padding:2px 10px;font-size:.8rem;font-weight:700}.history-total{margin-left:auto;font-size:1.25rem;font-weight:700}.history-row-body{align-items:flex-start;gap:10px;display:flex}.history-items{overflow-wrap:anywhere;flex:1;font-size:.95rem;line-height:1.4}.history-cancel-btn{border:2px solid var(--color-accent);min-width:64px;min-height:44px;color:var(--color-accent);background:#fff;border-radius:10px;flex:none;font-weight:700}.history-cancel-btn:active{background:var(--color-warn-bg)}.history-cancel-btn:disabled{opacity:.5;cursor:default}.history-discount{color:var(--color-accent);font-size:.9rem;font-weight:700}.history-tendered{color:var(--color-sub);font-size:.85rem;font-weight:700}.done-toast{z-index:200;color:#fff;background:#0d6b2ff5;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex;position:fixed;inset:0}.done-title{font-size:2.2rem;font-weight:700}.done-change{font-size:3.2rem;font-weight:700}.summary{flex-direction:column;gap:20px;max-width:560px;margin:0 auto;padding:28px 16px 32px;display:flex}.summary-session-select{appearance:auto;font-weight:700}.summary-loading{text-align:center;color:var(--color-sub);padding:24px 0}.summary-empty{color:var(--color-sub);padding:8px 0}.summary-cards{grid-template-columns:1fr 1fr;gap:10px;display:grid}.summary-card{border:2px solid var(--color-border);background:#fff;border-radius:12px;flex-direction:column;gap:4px;padding:12px 14px;display:flex}.summary-card-total{border-color:var(--color-primary);background:#e7f5ec;grid-column:1/-1}.summary-card-label{color:var(--color-sub);font-size:.9rem;font-weight:700}.summary-card-value{font-size:1.6rem;font-weight:700}.summary-card-total .summary-card-value{color:var(--color-primary);font-size:2.2rem}.pay-summary{flex-direction:column;gap:10px;display:flex}.pay-summary-card{border:2px solid var(--color-border);background:#fff;border-radius:12px;grid-template-columns:auto 1fr auto;align-items:baseline;gap:4px 10px;padding:12px 14px;display:grid}.pay-summary-card.cash{border:3px solid var(--color-primary);background:#e7f5ec}.pay-summary-name{font-size:1.1rem;font-weight:700}.pay-summary-amount{text-align:right;font-size:1.5rem;font-weight:700}.pay-summary-card.cash .pay-summary-amount{color:var(--color-primary);font-size:1.7rem}.pay-summary-count{color:var(--color-sub);font-weight:700}.pay-summary-note{color:var(--color-primary);grid-column:1/-1;font-size:.85rem;font-weight:700}.cash-close{border:2px solid var(--color-border);background:#fff;border-radius:12px;flex-direction:column;gap:14px;padding:14px;display:flex}.cash-close-row{justify-content:space-between;align-items:baseline;gap:10px;font-weight:700;display:flex}.cash-close-row>span:first-child{white-space:nowrap;flex:none}.cash-close-value{white-space:nowrap;font-size:1.25rem;font-weight:700}.cash-close-hint{color:var(--color-sub);text-align:right;font-size:.9rem;font-weight:700}.cash-diff{text-align:center;border:3px solid;border-radius:12px;flex-direction:column;align-items:center;gap:4px;padding:14px;display:flex}.cash-diff-label{font-size:.9rem;font-weight:700}.cash-diff-value{font-size:2rem;font-weight:700;line-height:1.2}.cash-diff.even{border-color:var(--color-primary);color:var(--color-primary);background:#e7f5ec}.cash-diff.short{border-color:var(--color-warn-border);background:var(--color-warn-bg);color:var(--color-accent)}.cash-diff.over{color:#9a5b00;background:#fff3e0;border-color:#c97b00}.cash-close-note{margin:0}.cash-close-saved{color:var(--color-primary);font-size:.9rem;font-weight:700}.summary-table{border-collapse:collapse;width:100%;font-size:.95rem}.summary-table th,.summary-table td{border-bottom:1px solid var(--color-border);text-align:left;padding:8px 6px}.summary-table th{color:var(--color-sub);border-bottom:2px solid var(--color-text);white-space:nowrap;font-size:.85rem}.summary-table .col-num{text-align:right;white-space:nowrap;font-weight:700}.summary-table .col-name{overflow-wrap:anywhere;font-weight:700}.hour-chart{align-items:stretch;gap:6px;padding:4px 0 2px;display:flex;overflow-x:auto}.hour-col{flex-direction:column;flex:1;align-items:center;gap:2px;min-width:56px;display:flex}.hour-amount{white-space:nowrap;min-height:1.1em;font-size:.78rem;font-weight:700}.hour-bar-area{border-bottom:2px solid var(--color-text);justify-content:center;align-items:flex-end;width:100%;height:140px;display:flex}.hour-bar{background:var(--color-primary);border-radius:4px 4px 0 0;width:70%;min-height:2px}.hour-label{font-size:.95rem;font-weight:700}.hour-count{color:var(--color-sub);font-size:.85rem;font-weight:700}.summary-misc{border:2px solid var(--color-border);background:#fff;border-radius:12px;padding:4px 14px}.summary-misc-row{justify-content:space-between;align-items:baseline;padding:10px 0;font-weight:700;display:flex}.summary-misc-row+.summary-misc-row{border-top:1px solid var(--color-border)}.summary-misc-value{font-size:1.2rem}.summary-misc-value.discount{color:var(--color-accent)}.session-info-form{flex-direction:column;gap:12px;display:flex}.memo-textarea{resize:vertical;min-height:88px;padding:10px 12px;line-height:1.5}.session-info-save{min-height:56px;font-size:1.15rem}.export-btns{flex-direction:column;gap:10px;display:flex}.export-btn{min-height:60px;font-size:1.15rem}.export-note{color:var(--color-sub);margin-top:8px;font-size:.9rem}.import-file-input{display:none}.import-result{flex-direction:column;gap:4px;margin-top:10px;display:flex}.import-result.import-error{background:var(--color-warn-bg);border-color:var(--color-warn-border);color:var(--color-accent)}.settings{flex-direction:column;gap:20px;max-width:560px;margin:0 auto;padding:28px 16px 32px;display:flex}.settings-note{color:var(--color-sub);margin-bottom:12px;font-size:.95rem;line-height:1.5}.settings-form{flex-direction:column;gap:12px;display:flex}.settings-save{min-height:56px;font-size:1.15rem}.settings-device-id{color:var(--color-sub);word-break:break-all;margin-top:12px;font-size:.8rem}.settings-version{color:var(--color-sub);font-size:.95rem}.history-feedback.feedback-error{background:var(--color-warn-bg);border-color:var(--color-warn-border);color:var(--color-accent)}.settings-gas-note{margin-top:12px;margin-bottom:0}.sheet-sync-status{align-items:center;gap:8px;margin-bottom:10px;display:flex}.sync-badge{color:#fff;border-radius:999px;flex:none;padding:3px 12px;font-size:.85rem;font-weight:700}.sync-badge.unsent{background:#888}.sync-badge.sent{background:var(--color-primary)}.sync-badge.failed{background:var(--color-accent)}.sync-badge.offline{color:var(--color-accent);border:2px solid var(--color-accent);background:#fff}.sheet-send-result{margin-top:10px}.confirm-backdrop{z-index:300;background:#00000073;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.confirm-card{background:#fff;border-radius:16px;width:100%;max-width:400px;padding:24px 20px}.confirm-message{margin-bottom:20px;font-size:1.1rem;font-weight:700;line-height:1.6}.confirm-actions{gap:12px;display:flex}.confirm-actions .btn-back{flex:1}.btn-danger{background:var(--color-accent);color:#fff;border-radius:12px;flex:1;min-height:56px;font-size:1.1rem;font-weight:700}.btn-danger:active{background:#8f0000}