:root{color-scheme:light dark;--bg:#f7f8fa;--fg:#192c3d;--panel:#fff;--line:#68798a;--link:#075da8}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:1rem/1.6 system-ui,sans-serif}header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px max(16px,calc((100vw - 850px)/2))}main{max-width:850px;margin:auto;padding:16px}a{color:var(--link);overflow-wrap:anywhere}header a,nav a,main>p>a{display:inline-flex;min-height:44px;align-items:center;padding:8px}nav{display:flex;flex-wrap:wrap;gap:6px}nav a[aria-current]{font-weight:bold;text-decoration-thickness:3px}h1{line-height:1.25;font-size:clamp(1.6rem,5vw,2.4rem)}form,#result{padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-block:20px}form{display:grid;gap:10px}button,select{font:inherit;min-height:48px;max-width:100%;border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--fg);padding:8px 12px}button{cursor:pointer;font-weight:600}button:hover{outline:2px solid var(--link)}:focus-visible{outline:3px solid var(--link);outline-offset:3px}ol{padding-inline-start:24px}li{margin-block:20px}li label{display:flex;gap:12px;align-items:flex-start;min-height:44px;cursor:pointer}input[type=checkbox]{flex:0 0 24px;width:24px;height:24px;margin-block:10px}.status{margin-inline-start:36px;font-weight:600}.notice{border-inline-start:4px solid var(--link);padding-inline-start:12px}#result>p:last-child{display:flex;flex-wrap:wrap;gap:12px}#result a{display:inline-flex;min-height:44px;align-items:center}html[data-theme=dark]{color-scheme:dark;--bg:#101b25;--fg:#edf4fa;--panel:#1c2d3d;--line:#a1afbd;--link:#9bceff}html[data-theme=light]{color-scheme:light}@media(prefers-color-scheme:dark){html:not([data-theme=light]){--bg:#101b25;--fg:#edf4fa;--panel:#1c2d3d;--line:#a1afbd;--link:#9bceff}}@media(max-width:420px){main{padding:12px}form,#result{padding:14px}header{padding:12px}}
nav a{min-width:44px;justify-content:center}