*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:#f7f9fc;color:#1a2a3a;font-family:Georgia,serif;line-height:1.7}
.line{background:#fff;border-bottom:1px solid #d0d7e2;padding:12px;text-align:center}
.line a{color:#1a2a3a;text-decoration:none;margin:0 16px;font-family:"Segoe UI",sans-serif;font-size:.75rem;letter-spacing:.06em}
.line a.on{color:#1d4ed8;border-bottom:2px solid #1d4ed8}
.snow{max-width:660px;margin:0 auto;padding:28px 20px 64px}
h1{font-size:clamp(1.55rem,3vw,2.1rem);line-height:1.15;margin:0 0 12px}
h2{font-family:"Segoe UI",sans-serif;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#1d4ed8;margin:22px 0 8px}
p,li{margin:0 0 12px}
ul{margin:0 0 12px 1.1em}
img{width:100%;height:auto;display:block;margin:12px 0}
.cap{color:#666;font-size:.84rem;margin:-4px 0 14px;font-family:"Segoe UI",sans-serif}
.marks{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0 16px}
.m{background:#fff;padding:10px 12px;border-left:3px solid #1d4ed8}
.m b{display:block}
.m span{font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:#888}
table{width:100%;border-collapse:collapse;margin:8px 0 16px;font-size:.9rem;background:#fff}
th,td{border-bottom:1px solid #e5e7eb;padding:7px 6px;text-align:left}
th{font-family:"Segoe UI",sans-serif;font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:#1d4ed8}
.note{background:#fff;padding:10px 12px;margin:14px 0;font-size:.88rem;border-left:3px solid #1d4ed8}
.end{color:#666;font-size:.86rem}
a{color:#1d4ed8}
@media(max-width:640px){.marks{grid-template-columns:1fr}}