:root { color-scheme: light; }
body { margin:0; background:#fff; color:#1a1f2b; font-family:"Noto Sans JP", -apple-system, "Hiragino Sans", sans-serif; line-height:1.9; }
header { padding:18px 20px; border-bottom:1px solid #e6e8ee; }
header a { color:#0a0f1a; text-decoration:none; font-family:"Space Grotesk", "Helvetica Neue", Arial, sans-serif; font-weight:700; font-size:20px; letter-spacing:-.02em; }
header a i { display:inline-block; width:.5em; height:.5em; border-radius:50%; background:#c9f26a; margin:0 .05em; vertical-align:-.02em; }
main { max-width:680px; margin:0 auto; padding:36px 20px 60px; }
h1 { font-size:22px; margin:0 0 4px; } .date { font-size:12px; color:#6b7280; margin-bottom:28px; }
h2 { font-size:15px; margin:26px 0 6px; }
p, li { font-size:14px; margin:0 0 8px; } ul { padding-left:20px; margin:0 0 8px; }
table { border-collapse:collapse; font-size:14px; width:100%; } td, th { border-bottom:1px solid #e6e8ee; padding:10px 6px; text-align:left; vertical-align:top; } th { width:30%; color:#6b7280; font-weight:500; }
a { color:#0a0f1a; }
footer { text-align:center; font-size:12px; color:#6b7280; padding:24px 20px 40px; border-top:1px solid #e6e8ee; } footer a { color:#6b7280; margin:0 8px; }