.dca-bc{font-family:var(--font-accent);font-size:.75rem;letter-spacing:.06em;color:var(--muted);margin-bottom:2rem}.dca-bc a{color:var(--muted);text-decoration:none}.dca-bc a:hover{color:var(--text)}.dca-bc span{margin:0 .5rem}.dca-head{margin-bottom:1.75rem}.dca-head h1{font-family:var(--font-heading);font-size:1.75rem;font-weight:900;letter-spacing:-.02em;margin-bottom:.4rem}.dca-head p{font-size:.875rem;color:var(--mid)}.dca-tabs{display:flex;border:1.5px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;width:fit-content;margin-bottom:1.5rem}.dca-tab{font-family:var(--font-accent);font-size:.78rem;font-weight:700;letter-spacing:.07em;padding:.55rem 1.5rem;border:none;background:var(--bg);color:var(--mid);cursor:pointer;transition:background .15s,color .15s;white-space:nowrap}.dca-tab+.dca-tab{border-left:1.5px solid var(--border)}.dca-tab.is-active{background:var(--black);color:var(--white)}.dca-panel{display:none}.dca-panel.is-active{display:block}.dca-dates-row{display:flex;align-items:flex-start;gap:1rem;margin-bottom:1.25rem;flex-wrap:wrap}.dca-date-group{display:flex;flex-direction:column;gap:.45rem}.dca-date-label{font-family:var(--font-accent);font-size:.62rem;font-weight:700;letter-spacing:.1em;color:var(--muted)}.dca-date-input{border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:.5rem .75rem;font-family:var(--font-body);font-size:.9rem;color:var(--text);background:var(--white);outline:none;transition:border-color .15s;cursor:pointer}.dca-date-input:focus{border-color:var(--blue)}.dca-arrow{color:var(--muted);font-size:1.25rem;margin-top:1.65rem;flex-shrink:0}.dca-quick-row{display:flex;flex-wrap:wrap;gap:.3rem}.dca-quick-btn{font-family:var(--font-accent);font-size:.62rem;font-weight:700;letter-spacing:.04em;padding:.25rem .6rem;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--bg);color:var(--mid);cursor:pointer;transition:all .15s;white-space:nowrap}.dca-quick-btn:hover{border-color:var(--blue);color:var(--blue);background:var(--white)}.dca-result-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.75rem;margin-bottom:1.5rem}.dca-result-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);padding:1rem 1.25rem;display:flex;flex-direction:column;gap:.3rem}.dca-result-card.is-full{grid-column:1 / -1}.dca-result-label{font-family:var(--font-accent);font-size:.6rem;font-weight:700;letter-spacing:.1em;color:var(--muted)}.dca-result-val{font-family:var(--font-heading);font-size:1.4rem;font-weight:900;color:var(--text);letter-spacing:-.02em}.dca-result-val.is-big{font-size:1.8rem}.dca-result-sub{font-size:.78rem;color:var(--mid);margin-top:.1rem}.dca-result-card .dca-copy-btn{margin-top:.4rem;align-self:flex-start}.dca-addsub-row{display:flex;align-items:flex-start;gap:.75rem;margin-bottom:1.25rem;flex-wrap:wrap}.dca-num-input{width:80px;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:.5rem .6rem;font-family:var(--font-body);font-size:.95rem;color:var(--text);background:var(--white);outline:none;transition:border-color .15s;text-align:center}.dca-num-input:focus{border-color:var(--blue)}.dca-select{border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:.5rem .75rem;font-family:var(--font-body);font-size:.88rem;color:var(--text);background:var(--white);outline:none;cursor:pointer;transition:border-color .15s}.dca-select:focus{border-color:var(--blue)}.dca-checkbox-row{display:flex;align-items:center;gap:.5rem;margin-bottom:1.25rem}.dca-checkbox-row input[type=checkbox]{width:16px;height:16px;accent-color:var(--black);cursor:pointer}.dca-checkbox-row label{font-size:.85rem;color:var(--mid);cursor:pointer}.dca-result-date-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);padding:1.5rem;margin-bottom:1.5rem;display:flex;flex-direction:column;gap:.4rem}.dca-result-date-label{font-family:var(--font-accent);font-size:.62rem;font-weight:700;letter-spacing:.1em;color:var(--muted)}.dca-result-date-main{font-family:var(--font-heading);font-size:2rem;font-weight:900;letter-spacing:-.02em}.dca-result-date-sub{font-size:.9rem;color:var(--mid);display:flex;gap:.75rem;flex-wrap:wrap;align-items:center}.dca-holiday-badge{font-family:var(--font-accent);font-size:.62rem;font-weight:700;letter-spacing:.06em;background:#ec79791f;color:var(--red);border-radius:var(--radius-pill);padding:.15rem .6rem;white-space:nowrap}.dca-list-controls{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);padding:1rem 1.25rem;margin-bottom:1rem;display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:flex-start}.dca-filter-row{display:flex;gap:.3rem}.dca-filter-btn{font-family:var(--font-accent);font-size:.68rem;font-weight:700;letter-spacing:.05em;padding:.3rem .85rem;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--bg);color:var(--mid);cursor:pointer;transition:all .15s}.dca-filter-btn:hover{border-color:var(--blue);color:var(--blue)}.dca-filter-btn.is-active{background:var(--black);color:var(--white);border-color:var(--black)}.dca-list-table-wrap{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;margin-bottom:1rem}.dca-list-table{width:100%;border-collapse:collapse;font-size:.85rem}.dca-list-table th{font-family:var(--font-accent);font-size:.6rem;font-weight:700;letter-spacing:.1em;color:var(--muted);padding:.65rem 1rem;background:var(--bg);border-bottom:1px solid var(--border);text-align:left}.dca-list-table td{padding:.5rem 1rem;border-bottom:1px solid var(--border);color:var(--text)}.dca-list-table tr:last-child td{border-bottom:none}.dca-list-table tr.is-holiday td{background:#ec79790d}.dca-list-table tr.is-weekend td{background:#7da0d30d}.dca-list-table td.is-holiday-name{color:var(--red);font-size:.78rem}.dca-list-empty{padding:2rem;text-align:center;color:var(--muted);font-size:.85rem}.dca-list-count{font-family:var(--font-accent);font-size:.7rem;color:var(--muted);margin-bottom:.5rem}.dca-copy-btn{font-family:var(--font-accent);font-size:.68rem;font-weight:700;letter-spacing:.06em;padding:.38rem 1rem;border-radius:var(--radius-pill);border:1.5px solid var(--border);background:var(--white);color:var(--mid);cursor:pointer;transition:all .15s}.dca-copy-btn:hover{border-color:var(--blue);color:var(--blue)}.dca-copy-btn.copied{background:var(--green);border-color:var(--green);color:var(--white)}.dca-action-btn{font-family:var(--font-accent);font-size:.72rem;font-weight:700;letter-spacing:.06em;padding:.5rem 1.25rem;border-radius:var(--radius-pill);border:none;background:var(--black);color:var(--white);cursor:pointer;transition:opacity .15s}.dca-action-btn:hover{opacity:.75}.dca-action-btn.is-secondary{background:transparent;color:var(--mid);border:1.5px solid var(--border)}.dca-action-btn.is-secondary:hover{border-color:var(--blue);color:var(--blue);opacity:1}.dca-era-section{margin-top:2rem}.dca-era-section h2{font-family:var(--font-heading);font-size:1rem;font-weight:900;margin-bottom:1rem}.dca-era-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}@media(max-width:560px){.dca-era-grid{grid-template-columns:1fr}}.dca-era-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);padding:1rem 1.25rem}.dca-era-card-title{font-family:var(--font-accent);font-size:.62rem;font-weight:700;letter-spacing:.1em;color:var(--muted);margin-bottom:.75rem}.dca-era-row{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.dca-era-result{font-family:var(--font-heading);font-size:1.1rem;font-weight:900;color:var(--text);margin-top:.5rem;min-height:1.4em}.dca-era-result.is-error{font-family:var(--font-body);font-size:.8rem;font-weight:400;color:var(--muted)}.dca-holiday-note{font-size:.75rem;color:var(--muted);margin-top:.5rem}.dca-holiday-note a{color:var(--blue)}@media(max-width:600px){.dca-dates-row{flex-direction:column}.dca-arrow{margin-top:0;transform:rotate(90deg);align-self:center}.dca-result-grid{grid-template-columns:1fr 1fr}}