:root {
  --bg:#F7EFE0; --card:#FFFFFF; --ink:#132A42; --ink2:#4F657A; --line:#E3D9C6;
  --orange:#E84A20; --teal:#187C86;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:#14181D; --card:#1C222A; --ink:#E7EAF0; --ink2:#A2AEBB; --line:#2A323C;
  }
}
:root[data-theme="dark"] {
  --bg:#14181D; --card:#1C222A; --ink:#E7EAF0; --ink2:#A2AEBB; --line:#2A323C;
}
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--ink);
  font-family:"Zen Kaku Gothic New", system-ui, sans-serif; line-height:1.9; }
.lwrap { max-width:min(760px, 92vw); margin:0 auto; }
.lhead { border-bottom:2px solid var(--line); background:var(--card); }
.lhead .lwrap { display:flex; align-items:center; gap:.7rem; padding:.9rem 0; }
.lbrand { display:flex; align-items:center; gap:.55rem; text-decoration:none; color:var(--ink); font-weight:700; }
.lby { margin-left:auto; font-size:.78rem; color:var(--ink2); }
.lmain { padding:2.4rem 0 4rem; }
h1 { font-size:1.5rem; margin:0 0 1.6rem; padding-bottom:.7rem; border-bottom:3px solid var(--orange); }
h2 { font-size:1.05rem; margin:2.2rem 0 .6rem; }
p, li { font-size:.92rem; color:var(--ink2); }
li { margin-bottom:.3rem; }
a { color:var(--teal); }
table { width:100%; border-collapse:collapse; margin:1rem 0; background:var(--card);
  border:1px solid var(--line); font-size:.9rem; }
th, td { text-align:left; padding:.7rem .8rem; border-bottom:1px solid var(--line); vertical-align:top; }
th { width:32%; background:rgba(0,0,0,.03); font-weight:500; color:var(--ink); }
:root[data-theme="dark"] th, :root:not([data-theme="light"]) th { background:rgba(255,255,255,.04); }
.todo { display:inline-block; background:var(--orange); color:#fff; font-size:.72rem;
  padding:.1rem .45rem; border-radius:3px; margin-left:.3rem; }
.notice { background:var(--card); border-left:4px solid var(--orange); padding:.9rem 1rem;
  margin:0 0 1.8rem; font-size:.88rem; }
.lfoot { border-top:2px solid var(--line); background:var(--card); padding:1.6rem 0 2.4rem; }
.lfoot nav { display:flex; flex-wrap:wrap; gap:1rem; margin-bottom:1rem; font-size:.85rem; }
.lfoot p { font-size:.8rem; margin:.3rem 0; }
.lcopy { color:var(--ink2); }