:root{color-scheme:light;--paper:#fffefe;--surface:#fff;--ink:#142432;--muted:#627283;--brand:#d63250;--accent:#f5614c;--accent-ink:#fff;--brand-soft:#fcf3f4;--line:#cfd9e3;--warn:#9b4c25;--warn-soft:#fff1e8;--danger:#a3383a;--shadow:0 12px 42px #25384c0c;--font-sans:"Noto Sans JP",system-ui,-apple-system,"Hiragino Sans","Yu Gothic","Meiryo",sans-serif;font-family:var(--font-sans);font-size:16px;font-weight:500;line-height:1.7;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:var(--brand);text-underline-offset:4px}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--brand);outline-offset:4px}button,input,textarea,select{border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink)}button{min-height:44px;padding:8px 15px;font-weight:600}button:hover:not(:disabled){border-color:var(--brand);background:var(--brand-soft)}button.primary,.button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}button.primary:hover:not(:disabled){background:#df4c39;border-color:#df4c39;color:#fff}button.danger{color:var(--danger)}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 18px;text-decoration:none;border:1px solid var(--line);border-radius:10px;background:var(--surface);font-weight:600}input:not([type=checkbox]),select,textarea{width:100%;padding:11px 12px;min-width:0}textarea{min-height:110px;resize:vertical}input[type=checkbox]{width:23px;height:23px;accent-color:var(--accent);flex-shrink:0}h1,h2,h3,p{margin-top:0}h1{font-size:1.7rem;line-height:1.4;font-weight:700;letter-spacing:.02em;margin-bottom:10px}h2{font-size:1.15rem;line-height:1.5;margin-bottom:14px}h3{font-size:1rem;margin-bottom:5px}p{margin-bottom:16px}small,.muted{color:var(--muted)}svg{vertical-align:middle;flex-shrink:0}.app-shell{max-width:1020px;padding:0 28px;margin:auto;min-height:100svh;display:flex;flex-direction:column}.app-header{min-height:112px;display:flex;gap:24px;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink);flex-shrink:0}.brand>span{display:inline-grid;grid-template-columns:max-content}.brand strong{display:block;contain:inline-size;min-width:0;font-size:1.15rem;line-height:1.7;letter-spacing:.08em;text-align:justify;text-align-last:justify;white-space:nowrap}.brand small{display:block;font-size:.66rem;letter-spacing:.15em;word-spacing:.6em;line-height:1.8;text-align:left;white-space:nowrap}.app-header nav{display:flex;gap:8px}.app-header nav a{padding:8px 14px;border-radius:8px;text-decoration:none;color:var(--muted);font-size:.9rem;min-height:44px;display:flex;align-items:center}.app-header nav a[aria-current=page]{color:var(--brand);background:var(--brand-soft);font-weight:700}main{padding:36px 0 48px;flex:1;min-width:0}main:focus{outline:none}.app-footer{display:flex;justify-content:center;gap:20px;padding:20px 0 calc(20px + env(safe-area-inset-bottom));border-top:1px solid var(--line);color:var(--muted);font-size:.7rem}.page-heading{display:flex;align-items:start;justify-content:space-between;gap:16px;margin-bottom:27px}.page-heading p{font-size:.9rem;color:var(--muted);margin:0}.heading-actions{display:flex;gap:8px;flex-wrap:wrap}.section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:15px}.section-head h2{margin:0}.tabs{display:flex;border-bottom:1px solid var(--line);gap:20px;margin-bottom:26px}.tabs button{padding:10px 3px;border:0;border-bottom:3px solid transparent;border-radius:0;background:transparent;color:var(--muted);display:flex;align-items:center;gap:8px}.tabs button[aria-selected=true]{color:var(--brand);border-bottom-color:var(--brand)}.count{font-size:.75rem;background:var(--brand-soft);border-radius:7px;padding:0 7px;min-width:24px;display:inline-block;text-align:center}.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;padding:44px 20px;border:1px dashed var(--line);border-radius:18px;background:var(--surface)}.empty-state .empty-mark{width:70px;height:70px;color:var(--brand);background:var(--brand-soft);border-radius:22px;display:grid;place-items:center;margin-bottom:20px}.empty-state h2{font-size:1.2rem;margin-bottom:8px}.empty-state p{color:var(--muted);max-width:420px;font-size:.9rem}.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.empty-state .actions{justify-content:center}.template-start{margin-top:34px}.template-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.template-tile{padding:17px;text-align:left;display:flex;flex-direction:column;gap:9px;align-items:start}.template-tile .tile-icon{color:var(--brand)}.template-tile small{font-weight:400}.list-stack{display:grid;gap:13px}.list-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:13px;text-decoration:none;color:var(--ink)}.list-card:hover{border-color:var(--brand);box-shadow:var(--shadow)}.list-card h2{font-size:1.08rem;margin:0 0 8px;overflow-wrap:anywhere}.card-copy{flex:1;min-width:0}.meta-line{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:.78rem;color:var(--muted)}.progress-track{height:4px;border-radius:10px;overflow:hidden;background:var(--brand-soft);margin-top:15px;width:100%}.progress-track progress{appearance:none;width:100%;height:4px;display:block;border:0;background:var(--brand-soft)}progress::-webkit-progress-bar{background:var(--brand-soft)}progress::-webkit-progress-value{background:var(--brand);border-radius:10px}progress::-moz-progress-bar{background:var(--brand)}.progress-count{font-size:.85rem;color:var(--brand);white-space:nowrap}.badge{display:inline-flex;padding:1px 9px;border-radius:6px;background:var(--brand-soft);color:var(--brand);font-size:.72rem;font-weight:600}.badge.overdue{background:var(--warn-soft);color:var(--warn)}.back{display:inline-flex;align-items:center;gap:5px;margin-bottom:20px;text-decoration:none;font-size:.85rem}.detail-title{overflow-wrap:anywhere}.detail-info{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:24px;display:flex;align-items:center;justify-content:space-between;gap:15px}.detail-info p{margin:0}.notification-note{font-size:.76rem;color:var(--muted);margin-top:5px!important}.items{list-style:none;padding:0;margin:0;border:1px solid var(--line);border-radius:15px;overflow:clip;background:var(--surface)}.item-row{display:flex;align-items:center;gap:8px;position:relative;padding:13px 12px;border-bottom:1px solid var(--line);min-height:76px}.item-row:last-child{border-bottom:0}.item-row[data-drop=above]{box-shadow:inset 0 3px var(--brand)}.item-row[data-drop=below]{box-shadow:inset 0 -3px var(--brand)}.item-row.checked{background:var(--brand-soft)}.item-row.dragging{background:var(--brand-soft);outline:1px dashed var(--brand);outline-offset:-5px}.item-row.dragging>*{opacity:.15}.row-check{align-self:stretch;width:44px;min-height:44px;display:grid;place-items:center;cursor:pointer;flex-shrink:0}.item-copy{flex:1;min-width:0;overflow-wrap:anywhere;line-height:1.65}.item-copy .item-label{display:block;font-size:.95rem}.item-copy .item-note{display:block;white-space:pre-wrap;color:var(--muted);font-size:.79rem;margin-top:4px}.checked .item-label{color:var(--ink)}.item-number{width:35px;text-align:center;font-size:.8rem;color:var(--muted);flex-shrink:0}.item-menu{align-self:center}.item-menu summary{list-style:none;cursor:pointer;min-width:36px;min-height:44px;display:grid;place-items:center;color:var(--muted);font-weight:700}.item-menu summary::-webkit-details-marker{display:none}.item-menu[open]{z-index:5}.item-menu .menu-actions{position:absolute;right:12px;top:calc(100% - 10px);display:grid;gap:4px;background:var(--surface);padding:8px;border:1px solid var(--line);box-shadow:0 6px 22px #49352c22;border-radius:12px;min-width:135px}.item-menu[open]:last-child .menu-actions{z-index:10}.items:has(details[open]){overflow:visible}.add-item{margin-top:14px;width:100%;background:transparent;border-style:dashed;color:var(--brand)}.detail-bottom{margin-top:26px;padding:22px 0 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}.detail-bottom .primary{min-width:165px}.danger-link{font-size:.8rem;border:0;background:none;color:var(--danger);font-weight:400;padding:8px}.lock-note{padding:12px 16px;background:var(--brand-soft);color:var(--brand);font-size:.85rem;border-radius:10px;margin-bottom:20px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.settings-panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px}.settings-panel p{font-size:.85rem;color:var(--muted)}.settings-panel.full{grid-column:1/-1}.settings-panel label{display:block;font-size:.88rem;margin-bottom:8px}.settings-panel select{margin-bottom:10px}.notice{padding:14px 16px;border-radius:10px;background:var(--warn-soft);color:var(--warn);font-size:.85rem;margin-bottom:20px}.notice p:last-child{margin:0}.muted-box{padding:14px 17px;background:var(--brand-soft);border-radius:10px;font-size:.84rem;margin-bottom:20px}.field{display:block;margin-bottom:18px;font-size:.9rem;font-weight:600}.field>span{display:block;margin-bottom:7px}.field small{display:block;font-weight:400;font-size:.76rem;margin-top:5px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid .field{min-width:0}.form-error{color:var(--danger);font-size:.85rem;margin-bottom:12px;white-space:pre-wrap}.form-error:empty{display:none}dialog{color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px;width:min(560px,calc(100% - 28px));max-height:calc(100svh - 48px);overflow-y:auto;box-shadow:0 20px 80px #132c3b33}dialog::backdrop{background:#302d2c55}dialog h2{font-size:1.25rem;margin-bottom:20px}dialog .dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:25px;flex-wrap:wrap}dialog p{white-space:pre-wrap;font-size:.9rem}.share-text{min-height:115px;font-size:.8rem;overflow-wrap:anywhere;resize:none}.preview-items{padding-left:22px;max-height:260px;overflow-y:auto;font-size:.88rem}.preview-items li{padding:6px 0}.search{max-width:300px}.skip-link{position:fixed;top:-100px;left:12px;z-index:100;background:var(--surface);padding:10px}.skip-link:focus{top:12px}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:var(--ink);color:var(--surface);padding:12px 22px;max-width:calc(100% - 32px);border-radius:12px;z-index:20;font-size:.88rem;transition:opacity .16s,transform .16s}#toast.visible{opacity:1;transform:translate(-50%,0)}.settled-flash{animation:settled .6s ease-out}@keyframes settled{from{background:var(--brand-soft)}to{background:transparent}}.loading{color:var(--muted);text-align:center;padding:60px}.file-input{display:none}.secondary-text{font-size:.8rem;color:var(--muted);margin:10px 0 0}.nowrap{white-space:nowrap}.summary-total{font-size:.84rem;color:var(--muted)}
@media(max-width:680px){.app-shell{padding:0 18px}.app-header{padding:20px 0 13px;display:block;min-height:0}.brand img{width:38px;height:38px}.brand strong{font-size:1.05rem}.app-header nav{margin-top:16px;gap:4px}.app-header nav a{padding:7px 14px;font-size:.83rem;flex:1;justify-content:center}.app-header nav a:first-child{margin-left:-3px}main{padding:26px 0 32px}h1{font-size:1.48rem}.page-heading{margin-bottom:23px;align-items:center}.page-heading>div{min-width:0}.page-heading>.primary{font-size:.83rem;padding:8px 12px;white-space:nowrap}.page-heading p{font-size:.81rem}.template-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.template-tile{padding:15px 13px;font-size:.84rem}.template-tile small{font-size:.72rem}.empty-state{padding:32px 16px}.empty-state h2{font-size:1.03rem}.empty-state .actions{width:100%;flex-direction:column}.empty-state .actions button{width:100%}.list-card{padding:19px 16px;gap:12px}.list-card h2{font-size:1rem}.settings-grid{grid-template-columns:1fr}.settings-panel{padding:20px}.detail-info{padding:16px;align-items:start}.item-row{padding:11px 7px;gap:4px}.item-copy .item-label{font-size:.9rem}.row-check{width:36px}.item-menu summary{min-width:30px}.detail-bottom{align-items:stretch}.detail-bottom>.primary{width:100%;order:-1;min-height:50px}.detail-bottom>.actions{flex:1}.detail-title{font-size:1.36rem}.heading-actions button{font-size:.8rem;padding:7px 11px}.form-grid{gap:10px}.form-grid input{padding:10px 8px}dialog{padding:23px 20px}.app-footer{gap:15px;font-size:.66rem}.search{width:100%}.tabs{gap:16px}.tabs button{font-size:.9rem}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.template-actions{margin-bottom:20px}.capacity-choice{display:flex;align-items:center;gap:8px;padding:8px 0;overflow-wrap:anywhere}input:not([type=checkbox]),textarea,select{font-size:16px}.row-check{width:44px}.item-menu summary{min-width:44px}h1{text-wrap:balance}@media(max-width:680px){main:has(>.tabs)>.page-heading{align-items:stretch;flex-direction:column}main:has(>.tabs)>.page-heading>.primary{align-self:flex-start}.item-row{gap:0;padding-inline:4px}.item-copy .item-label{font-size:.88rem}}

/* The approved A1 palette stays light, including when the OS requests dark mode. */
.reorder-hint{margin:0 0 10px;font-size:.76rem;color:var(--muted);text-align:right}

.drag-preview{position:fixed;z-index:30;pointer-events:none;list-style:none;margin:0;background:var(--surface);border:1px solid var(--accent);border-radius:12px;opacity:.88;box-shadow:0 15px 36px #49352c33;cursor:grabbing}
.drag-preview .row-controls{visibility:hidden}
.items:has(.dragging){overflow:visible}
.item-row[data-drop]::after{content:"ここに移動";position:absolute;right:12px;z-index:2;font-size:.7rem;line-height:1.8;padding:0 8px;color:var(--brand);background:var(--surface);border:1px dashed var(--brand);border-radius:5px;pointer-events:none}
.item-row[data-drop=above]::after{top:-12px}
.item-row[data-drop=below]::after{bottom:-12px}

/* Keep checked fills identical to the icon, including browser hover states. */
input[type=checkbox]{appearance:none;display:inline-grid;place-content:center;border:1px solid var(--muted);border-radius:4px;background:var(--surface);cursor:pointer}
input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent)}
input[type=checkbox]:checked::after{content:"";width:7px;height:12px;border:solid #fff;border-width:0 3px 3px 0;transform:translateY(-1px) rotate(45deg)}
input[type=checkbox]:disabled{cursor:default}

/* Match the approved image: cool neutral type/borders, pale pink, coral with white type. */
.app-shell button.primary,dialog button.primary,.button.primary{font-size:1.1875rem;font-weight:700;min-height:50px}
.back,.add-item{font-weight:700}
.app-header nav a{font-weight:500}.app-header nav a[aria-current=page]{font-weight:700}
.item-copy .item-label{font-weight:500}
.detail-info>div>p:first-child svg{color:var(--accent)}
.reorder-hint{text-align:left}
.reorderable{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;cursor:grab}
.reorderable.dragging{cursor:grabbing}
.row-controls{display:flex;align-items:center;flex-shrink:0;cursor:default}
.row-stepper{display:flex;flex-direction:column}
.step-button{width:44px;min-height:44px;padding:0;border:0;background:transparent;color:var(--muted);display:grid;place-items:center}
.step-button:disabled{opacity:.25}.step-button:hover:not(:disabled){color:var(--brand)}
.drag-preview{box-shadow:0 12px 30px #25384c26;opacity:.94}

/* Match the reference's readable weight rather than the earlier thin rendering. */
.item-copy .item-label{font-size:1rem;font-weight:500}
.page-heading p,.notification-note,.reorder-hint,.brand small{font-weight:500}
.app-header nav a{font-size:1rem;font-weight:600}
.app-header nav a[aria-current=page]{font-weight:700}
.detail-info p{font-weight:500}

@media(max-width:680px){.app-header nav a{white-space:nowrap;flex:1 1 auto;padding-inline:5px;font-size:.95rem}}

.item-copy .item-note{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
.note-more{display:block;font-size:.78rem;color:var(--brand);text-decoration:underline;text-underline-offset:3px;margin-top:5px}
[data-note-trigger]:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
#note-panel{position:fixed;z-index:25;left:50%;bottom:calc(16px + env(safe-area-inset-bottom));transform:translateX(-50%);width:min(620px,calc(100% - 28px));max-height:45svh;overflow:auto;overscroll-behavior:contain;background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:14px;box-shadow:0 10px 45px #14243230;padding:18px 20px}
#note-panel[hidden]{display:none}
.note-panel-heading{display:flex;align-items:start;gap:16px;justify-content:space-between;margin-bottom:12px}
.note-panel-heading h2{font-size:1rem;line-height:1.6;margin:0;overflow-wrap:anywhere}
.note-panel-heading button{font-size:.8rem;flex-shrink:0;min-height:44px}
.note-panel-body{white-space:pre-wrap;overflow-wrap:anywhere;font-size:.92rem;line-height:1.8;margin:0;user-select:text}
body:has(#note-panel:not([hidden])) #toast{bottom:calc(47svh + 24px)}

.item-menu .menu-actions{top:50%;right:90px;transform:translateY(-50%)}

/* Shared creation-button slot prevents movement when switching collection screens. */
main:has(>.tabs)>.page-heading>.primary{width:156px;flex-shrink:0}
@media(max-width:680px){
main:has(>.tabs)>.page-heading{gap:8px}
main:has(>.tabs)>.page-heading h1{font-size:clamp(1rem,4.6vw,1.25rem);margin-bottom:6px}
}

.order-lock-setting{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;margin-bottom:14px;border-bottom:1px solid var(--line)}
.order-lock-setting strong{font-size:.86rem}.order-lock-setting p{font-size:.75rem;color:var(--muted);margin:3px 0 0;line-height:1.6}
.order-lock-switch{display:flex;align-items:center;gap:8px;flex-shrink:0;padding:8px;border:0;background:transparent;font-size:.8rem;min-width:85px}
.switch-track{display:block;width:34px;height:20px;border-radius:12px;background:var(--muted);padding:3px}
.switch-track::after{content:"";display:block;width:14px;height:14px;border-radius:50%;background:#fff}
.order-lock-switch[aria-checked=true] .switch-track{background:var(--brand)}
.order-lock-switch[aria-checked=true] .switch-track::after{transform:translateX(14px)}
.row-stepper[hidden]{display:none}
.default-lock-field{display:flex;align-items:center;gap:8px;font-size:.86rem;margin-bottom:18px;font-weight:500}

.detail-info:has(+.order-lock-setting),.template-actions:has(+.order-lock-setting){margin-bottom:8px}
.order-lock-setting{padding-top:6px}

/* Subtle separator between the header and page content. */
.app-header{border-bottom:1px solid #d9d9d9}
.notification-link{font-size:.78rem;padding:3px 9px;min-height:32px;margin-left:6px}
.settings-panel [hidden]{display:none}