:root{--bg:#f7f6f3;--card:#fff;--text:#222;--muted:#777;--line:#e2e0da;--accent:#6b4fd1;--danger:#c0392b;color:var(--text);background:var(--bg);font-family:Hiragino Sans,Noto Sans JP,system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#18181b;--card:#232328;--text:#eee;--muted:#999;--line:#3a3a40;--accent:#9b84f0}}*{box-sizing:border-box}body{background:var(--bg);margin:0}button,input,select,textarea{font:inherit;color:inherit}button{border:1px solid var(--line);background:var(--card);cursor:pointer;border-radius:8px;padding:8px 14px}button.on{border-color:var(--accent);background:var(--accent);color:#fff}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:disabled{opacity:.4;cursor:default}button.danger{color:var(--danger)}button.link{color:var(--muted);background:0 0;border:none;text-decoration:underline}button.big{flex:1;padding:16px;font-size:1.1em}input,select,textarea{border:1px solid var(--line);background:var(--card);border-radius:8px;width:100%;padding:9px 10px}textarea{min-height:70px}label{color:var(--muted);margin:10px 0;font-size:.9em;display:block}label input,label select,label textarea{color:var(--text);margin-top:4px}h1{font-size:1.4em}h2{margin:20px 0 10px;font-size:1.1em}.muted{color:var(--muted)}.err{color:var(--danger)}.center{text-align:center;max-width:460px;margin:60px auto;padding:0 16px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}.center.card{text-align:left}.center.card form button,.center.card>button{width:100%;margin-top:8px}.or{text-align:center;color:var(--muted);margin:14px 0 6px}.row{flex-wrap:wrap;gap:8px;margin:8px 0;display:flex}.row>label{flex:1;min-width:130px}.pick{flex-wrap:wrap;gap:6px;max-height:300px;margin:10px 0;display:flex;overflow:auto}.pick button{padding:6px 10px}.app header{background:var(--card);border-bottom:1px solid var(--line);z-index:5;align-items:center;gap:12px;padding:10px 16px;display:flex;position:sticky;top:0}.app header nav{flex:1;gap:6px;display:flex;overflow-x:auto}.app main{max-width:1000px;margin:0 auto;padding:16px}.toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;display:flex}.toolbar select{width:auto;margin-left:auto}.toolbar .primary{margin-left:auto}.cal{grid-template-columns:repeat(7,minmax(0,1fr));gap:2px;display:grid}.wd{text-align:center;color:var(--muted);padding:4px 0;font-size:.8em}.day{text-align:left;border-radius:6px;flex-direction:column;gap:2px;min-height:84px;padding:4px;display:flex;overflow:hidden}.day.out{opacity:.4}.day.today .num{background:var(--accent);color:#fff;border-radius:10px;padding:0 6px}.day.sel{outline:2px solid var(--accent)}.num{align-self:flex-start;font-size:.8em}.chip{color:#fff;white-space:nowrap;text-overflow:ellipsis;border-radius:4px;padding:1px 4px;font-size:.7em;overflow:hidden}.chip.dl,.tag.dl{color:#fff;background:#222}.more{color:var(--muted);font-size:.7em}.dayview{margin-top:18px}.item{background:var(--card);border:1px solid var(--line);text-align:left;border-radius:10px;justify-content:space-between;align-items:center;gap:10px;width:100%;margin-bottom:6px;padding:10px 12px;display:flex}button.item{justify-content:flex-start}.item.col{flex-direction:column;align-items:flex-start}.tag{color:#fff;white-space:nowrap;border-radius:4px;padding:2px 6px;font-size:.75em}.counts{font-size:.9em}.modal{z-index:10;background:#0006;justify-content:center;align-items:flex-start;padding:30px 16px;display:flex;position:fixed;inset:0;overflow:auto}.modal .card{width:100%;max-width:480px}@media (width<=600px){.day{min-height:56px}.chip{font-size:.6em}.app header strong{display:none}}