:root{--green:#06c755;--green-dark:#05a647;--text:#1f2328;--muted:#6b7280;--line:#e5e7eb;--bg:#f4f5f7;--card:#fff;--danger:#dc2626;color:var(--text);background:var(--bg);-webkit-text-size-adjust:100%;font-family:LINE Seed JP,system-ui,-apple-system,Hiragino Sans,sans-serif}*{box-sizing:border-box}body{background:var(--bg);margin:0}input,textarea,button{font:inherit;font-size:16px}input,textarea{border:1px solid var(--line);width:100%;color:var(--text);background:#fff;border-radius:10px;padding:12px}textarea{resize:vertical;line-height:1.5}input:focus,textarea:focus{outline:2px solid var(--green);outline-offset:-1px;border-color:#0000}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}.page{max-width:560px;padding:16px 16px calc(32px + env(safe-area-inset-bottom));margin:0 auto}.center{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:70vh;display:flex}.card{background:var(--card);border-radius:14px;padding:16px;box-shadow:0 1px 3px #0000000f}.btn-primary,.btn-secondary,.btn-danger{white-space:nowrap;border:none;border-radius:10px;justify-content:center;align-items:center;min-height:44px;padding:0 18px;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--green);color:#fff}.btn-primary:active{background:var(--green-dark)}.btn-secondary{color:var(--text);border:1px solid var(--line);background:#fff}.btn-secondary:active{background:var(--bg)}.btn-compact{color:var(--muted);flex:none;padding:0 12px;font-size:14px;font-weight:600}.btn-danger{color:var(--danger);background:#fff;border:1px solid #fecaca}.hint{color:var(--muted);font-size:14px}.error{color:var(--danger);font-size:14px}.home-header{padding:32px 4px 20px}.home-header h1{margin:0 0 8px;font-size:clamp(20px,7vw,28px);line-height:1.35}.home-tagline{font-size:18px;display:inline-block}.home-header p{color:var(--muted);margin:0;line-height:1.6}.create-form{flex-direction:column;gap:12px;display:flex}.create-form label{font-weight:600}.recent{margin-top:28px}.recent h2{color:var(--muted);margin:0 4px 8px;font-size:15px}.recent ul{background:var(--card);border-radius:14px;margin:0;padding:0;list-style:none;overflow:hidden}.recent li+li{border-top:1px solid var(--line)}.recent a{color:var(--text);padding:14px 16px;text-decoration:none;display:block}.list-header{align-items:center;gap:4px;margin:4px 0 12px;display:flex}.menu{flex:none;position:relative}.menu-button{width:44px;height:44px;color:var(--text);background:0 0;border:none;border-radius:10px;place-items:center;margin-right:-8px;display:grid}.menu-button:active,.menu-button[aria-expanded=true]{background:#e9eaed}.menu-backdrop{z-index:5;position:fixed;inset:0}.menu-panel{z-index:6;background:#fff;border-radius:12px;min-width:220px;padding:6px 0;position:absolute;top:calc(100% + 4px);right:-8px;box-shadow:0 6px 24px #00000029}.menu-item{width:100%;color:var(--text);text-align:left;white-space:nowrap;background:0 0;border:none;padding:14px 16px;font-size:16px;text-decoration:none;display:block}.menu-item:active{background:var(--bg)}.menu-item+.menu-item{border-top:1px solid var(--line)}.menu-item.danger{color:var(--danger)}.menu-separator{background:var(--bg);height:8px;margin:6px 0}.menu-item-new{color:var(--green-dark)}.list-title{word-break:break-word;flex:1;margin:0;font-size:22px}.title-form{flex:1}.title-form input{padding:6px 10px;font-size:20px;font-weight:700}.list-toolbar{align-items:center;gap:8px;margin-bottom:12px;display:flex}.copy-link{min-height:36px;margin-left:auto}.add-form{margin-bottom:16px;padding:0}.add-form-header{width:100%;min-height:52px;color:var(--text);text-align:left;background:0 0;border:none;border-radius:14px;align-items:center;gap:8px;padding:0 16px;font-weight:700;display:flex}.add-form-plus{background:var(--green);color:#fff;border-radius:50%;place-items:center;width:24px;height:24px;font-size:16px;line-height:1;display:grid}.add-form-chevron{color:var(--muted);margin-left:auto}.add-form-body{flex-direction:column;gap:10px;padding:0 16px 16px;display:flex}.add-form.is-collapsed .add-form-body{display:none}.date-field,.memo-field{color:var(--muted);white-space:nowrap;align-items:center;gap:8px;min-width:0;font-size:14px;display:flex}.date-field input{min-height:44px;padding:8px 10px}.memo-field{align-items:flex-start}.memo-field .btn-compact{min-height:44px}.field{flex-direction:column;gap:8px;display:flex}.field-label{color:var(--muted);font-size:14px}.create-form .field-label{color:var(--text);font-weight:600}.field-error{color:var(--danger);margin:4px 0 0;font-size:13px}.member-input-row{gap:8px;display:flex}.member-chips{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.member-chip{color:#046c2f;background:#e8f9ef;border-radius:999px;align-items:center;gap:2px;padding:4px 4px 4px 12px;font-size:14px;display:inline-flex}.member-chip-remove{width:28px;height:28px;color:inherit;background:0 0;border:none;border-radius:50%;place-items:center;padding:0;font-size:16px;display:grid}.chip-group{flex-wrap:wrap;gap:8px;display:flex}.chip-toggle{min-height:36px;color:var(--text);background:#fff;border:1px solid #c4c8cf;border-radius:999px;padding:0 14px;font-size:14px}.chip-toggle.selected{border-color:var(--green);color:#046c2f;background:#e8f9ef;font-weight:700}.member-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.member-row-form{gap:8px;display:flex}.member-row-form input{min-height:44px;padding:8px 12px}.link-button{color:var(--green-dark);background:0 0;border:none;padding:4px 6px;font-size:14px;font-weight:700;text-decoration:underline}.who-am-i{border:2px solid var(--green);flex-direction:column;gap:10px;margin-bottom:12px;display:flex}.who-am-i-title{margin:0;font-weight:700}.who-am-i .hint{margin:0}.who-am-i-actions{justify-content:flex-end;gap:8px;display:flex}.me-bar{min-width:0;color:var(--muted);white-space:nowrap;flex:1;align-items:center;gap:6px;margin:0 0 0 4px;font-size:14px;display:flex}.me-bar strong{color:var(--text);text-overflow:ellipsis;overflow:hidden}.task-history{color:#9ca3af;white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:4px;min-width:0;font-size:12px;display:flex;overflow:hidden}.task-history svg{flex:none}.filter{margin-bottom:10px}.filter-label{color:var(--muted);align-items:center;gap:4px;margin:0 4px 6px;font-size:13px;font-weight:700;display:flex}.filter-bar{scrollbar-width:none;gap:6px;margin:0 -16px;padding:2px 16px;display:flex;overflow-x:auto}.filter-bar::-webkit-scrollbar{display:none}.chip-small{white-space:nowrap;flex:none;min-height:32px;padding:0 12px;font-size:13px}.history-list{margin:0;padding:0;list-style:none}.history-item{flex-direction:column;gap:2px;padding:10px 0;display:flex}.history-item+.history-item{border-top:1px solid var(--line)}.history-text{word-break:break-word;margin:0;font-size:14px;line-height:1.5}.history-actor{font-weight:700}.history-time{color:var(--muted);font-size:12px}.btn-chip{min-height:44px;color:var(--muted);white-space:nowrap;background:#fff;border:1px dashed #c4c8cf;border-radius:10px;align-items:center;gap:6px;padding:0 12px;display:inline-flex}.optional{color:var(--muted);margin-left:2px;font-size:13px;font-weight:400}.empty{text-align:center;color:var(--muted);padding:24px 0}.tasks{background:var(--card);border-radius:14px;margin:0;padding:0;list-style:none;overflow:hidden}.tasks:empty{display:none}.task{align-items:center;gap:4px;padding-left:12px;display:flex}.task+.task{border-top:1px solid var(--line)}.check{color:#d1d5db;background:#fff;border:2px solid #d1d5db;border-radius:50%;flex:none;place-items:center;width:26px;height:26px;padding:0;display:grid}.check:active{border-color:var(--green);color:var(--green)}.check.checked{background:var(--green);border-color:var(--green);color:#fff}.task-body{text-align:left;min-width:0;color:inherit;background:0 0;border:none;flex:1;align-items:center;gap:8px;padding:14px 12px 14px 8px;display:flex}.task-body:active{background:var(--bg)}@media (hover:hover){.task-body:hover{background:#fafafa}.task-body:hover .edit-mark{color:var(--green)}}.edit-mark{color:#9ca3af;border-radius:8px;flex:none;place-items:center;width:32px;height:32px;display:grid}.task-main{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.task-title{word-break:break-word;line-height:1.4}.task-meta{color:var(--muted);flex-wrap:wrap;gap:4px 12px;font-size:13px;display:flex}.task-meta-item{align-items:center;gap:4px;display:inline-flex}.is-done .task-title{color:var(--muted);text-decoration:line-through}.due{color:var(--muted);background:var(--bg);border-radius:6px;flex:none;padding:2px 8px;font-size:13px}.due.overdue{color:var(--danger);background:#fef2f2;font-weight:600}.done-section{margin-top:16px}.done-toggle{color:var(--muted);background:0 0;border:none;padding:8px 4px;font-weight:600}.sheet-backdrop{z-index:10;background:#00000059;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet{width:100%;max-width:560px;padding:20px 16px calc(20px + env(safe-area-inset-bottom));background:#fff;border-radius:18px 18px 0 0;flex-direction:column;gap:14px;max-height:90vh;display:flex;overflow-y:auto}.sheet h2{margin:0;font-size:18px}.sheet label{color:var(--muted);flex-direction:column;gap:6px;font-size:14px;display:flex}.date-row{align-items:center;gap:4px;display:flex}.sheet-actions{gap:8px;margin-top:4px;display:flex}.spacer{flex:1}.toast{left:50%;bottom:calc(24px + env(safe-area-inset-bottom));color:#fff;z-index:20;background:#1f2328;border-radius:10px;max-width:calc(100% - 32px);padding:12px 18px;font-size:14px;position:fixed;transform:translate(-50%)}