:root{color-scheme:light;--ink:#24364b;--muted:#59697b;--line:#d8e1e9;--blue:#eaf0f7;--gold:#fff0bf;--accent:#185c8b;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;background:#f2f5f8;color:var(--ink);font-size:16px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:var(--accent)}.top{max-width:840px;margin:auto;padding:24px 20px 18px;padding-top:max(24px,env(safe-area-inset-top));display:flex;justify-content:space-between;align-items:center;gap:12px}.brand{display:flex;gap:10px;align-items:center;font-weight:700;font-size:1.2rem;text-decoration:none;color:var(--ink);letter-spacing:.04em}.seal{background:var(--ink);color:white;width:36px;height:36px;display:grid;place-items:center;border-radius:8px;font-family:serif}.edition{font-size:.75rem;color:var(--muted)}main{max-width:800px;margin:0 auto;padding:0 16px max(30px,env(safe-area-inset-bottom))}.input-panel,.results{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;box-shadow:0 4px 20px #24364b05}.section-title{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:20px}h1,h2{font-size:1.3rem;margin:0;letter-spacing:.06em}.section-title>span{font-size:.8rem;color:var(--muted)}label{display:block;font-size:.875rem;font-weight:600;margin-bottom:18px}input,select{width:100%;display:block;min-height:48px;border:1px solid #afbecb;border-radius:8px;background:#fff;color:var(--ink);padding:10px;margin-top:8px;font-size:1rem;max-width:100%;min-width:0}input[type=date],input[type=time]{appearance:none;-webkit-appearance:none;text-align:left;min-width:0;width:100%;max-width:100%}input::-webkit-date-and-time-value{text-align:left}select{padding-right:28px}.date-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:12px}.hint,.privacy{font-size:.8rem;color:var(--muted);line-height:1.65;margin:-8px 0 18px}.privacy{text-align:center;margin:12px 0 0}.optional{font-weight:400;color:var(--muted);font-size:.75rem}.settings{border-top:1px solid var(--line);margin-top:22px}.settings summary{padding:17px 0;color:var(--accent);font-size:.875rem}.settings-body{padding-top:8px}summary{cursor:pointer;min-height:44px;line-height:1.6}summary:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #4d9bda;outline-offset:3px}.calculate{width:100%;border:0;border-radius:10px;background:var(--ink);color:white;font-weight:600;min-height:52px;margin-top:8px}.calculate:active{background:#395977}.error{background:#fff0ef;color:#922e2b;border-left:3px solid #c34b42;padding:12px;font-size:.875rem}.results{margin-top:22px;outline:0}.text-button{font-size:.875rem;border:0;background:transparent;color:var(--accent);padding:8px 0;min-height:44px}.result-meta{font-size:.85rem;color:var(--muted);line-height:1.7;margin:0 0 12px}.chosen-time{font-size:.9rem;line-height:1.7;background:var(--blue);padding:10px 12px;border-radius:8px}.chart-title{font-size:.95rem;margin:24px 0 10px;display:flex;justify-content:space-between;gap:10px}.chart-title span{font-weight:400;color:var(--muted);font-size:.8rem}.chart{border-collapse:collapse;table-layout:fixed;width:100%;font-size:.875rem}.chart thead{background:var(--ink);color:#fff}.chart th,.chart td{padding:11px 2px;text-align:center;overflow-wrap:anywhere;line-height:1.6}.chart th:first-child{width:22%;font-size:.75rem;text-align:left;padding-left:8px;font-weight:500}.chart thead th{font-weight:500}.chart tbody tr{border-bottom:1px solid var(--line)}.chart .ganzhi td{font-size:1.45rem;font-weight:600;letter-spacing:.1em}.chart tr.soft{background:#f1f5f9}.late-notice,.notice{padding:12px;background:var(--gold);font-size:.875rem;line-height:1.7;border-radius:8px;margin:22px 0 0}.warning{border-left:3px solid #b78624;background:#fff9e8;padding:12px;font-size:.85rem;line-height:1.7;margin:18px 0}.detail-panel{border-top:1px solid var(--line);margin-top:20px}.detail-panel summary{padding:16px 0;font-size:.875rem;color:var(--accent)}.candidate-group{padding:0 0 12px}.candidate-group h3{font-size:.85rem;font-weight:600}.candidate-row{display:flex;gap:10px;border-bottom:1px solid #edf1f5;padding:9px 0;font-size:.85rem;line-height:1.8}.candidate-row b{min-width:42px}.candidate-row span{display:flex;flex-wrap:wrap;gap:6px 12px}.candidate-pair{white-space:nowrap}.period-meta{font-size:.875rem;line-height:1.7}.periods,.terms{width:100%;border-collapse:collapse;font-size:.85rem}.periods td,.periods th,.terms th,.terms td{padding:10px 5px;border-bottom:1px solid var(--line);text-align:left;font-weight:400}.periods th,.terms th{font-size:.75rem;color:var(--muted)}.terms td:nth-child(2){white-space:nowrap}.term-entry{font-weight:600!important}dl{font-size:.875rem;margin:0}dl>div{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--line)}dt{color:var(--muted)}dd{margin:0;text-align:right}.method{padding:10px 4px;margin-top:20px;color:var(--muted);font-size:.875rem;line-height:1.85}.method summary{padding:8px 0;color:var(--ink)}.method p{margin:12px 0}.sources{font-size:.8rem}footer{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:20px 4px 0;margin-top:10px;font-size:.75rem;color:var(--muted)}[hidden]{display:none!important}@media(max-width:380px){main{padding-left:10px;padding-right:10px}.input-panel,.results{padding:18px 12px}.chart th:first-child{width:23%;padding-left:4px}.chart td{font-size:.82rem}.chart .ganzhi td{font-size:1.25rem}.top{padding-left:14px;padding-right:14px}.date-grid{gap:8px}}@media(min-width:680px){.input-panel,.results{padding:28px 34px}.chart th,.chart td{padding:14px 8px}.chart th:first-child{font-size:.875rem}.chart .ganzhi td{font-size:1.8rem}.chart{font-size:1rem}.top{padding-bottom:22px}}@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}