:root {
  --bg: #eceff1; --surface: #ffffff; --line: #d3d9dd; --ink: #0f1a22; --ink-2: #3a4750; --ink-3: #66737c;
  --primary: #0e5e6d; --primary-soft: #dcebee;
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Source Han Sans JP", "Noto Sans JP", "Yu Gothic", system-ui, sans-serif;
  --display: "Avenir Next", "Hiragino Sans", "Source Han Sans JP", system-ui, sans-serif;
  --maxw: 1040px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f161b; --surface: #151f26; --line: #27343d; --ink: #e8eef2; --ink-2: #c1ccd3; --ink-3: #8d9aa3; --primary: #5fb3c2; --primary-soft: #16323a; }
}
* { box-sizing: border-box; }
html { background: var(--bg); color: var(--ink); font-family: var(--font); line-height: 1.8; -webkit-font-smoothing: antialiased; }
body { margin: 0; }
a { color: var(--primary); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
header.top { padding: 22px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 600; font-size: 20px; color: var(--ink); text-decoration: none; }
.brand .mark { width: 30px; height: 30px; border-radius: 6px; background: var(--primary); color: #fff; display: grid; place-items: center; font-style: italic; font-family: "Times New Roman", serif; font-size: 20px; }
.hero { padding: 48px 0 40px; }
.hero h1 { font-family: var(--display); font-size: clamp(30px, 5vw, 48px); line-height: 1.3; margin: 0 0 16px; letter-spacing: 0.01em; }
.hero p.lead { font-size: 17px; color: var(--ink-2); max-width: 44em; margin: 0 0 22px; }
.status { display: inline-block; border: 1px solid var(--primary); color: var(--primary); border-radius: 999px; padding: 3px 12px; font-size: 13px; }
section { padding: 36px 0; border-top: 1px solid var(--line); }
h2 { font-family: var(--display); font-size: 24px; margin: 0 0 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 18px 20px; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; color: var(--ink-2); font-size: 14.5px; }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.steps li { counter-increment: step; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px 12px 52px; position: relative; }
.steps li::before { content: counter(step); position: absolute; left: 16px; top: 12px; width: 24px; height: 24px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; font-weight: 600; font-size: 13px; }
dl.org { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 0; }
dl.org dt { color: var(--ink-3); }
dl.org dd { margin: 0; }
.en { color: var(--ink-2); font-size: 14.5px; }
footer { border-top: 1px solid var(--line); padding: 24px 0 40px; font-size: 13px; color: var(--ink-3); }
footer nav { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 8px; }
.draft-note { background: #fff4d6; color: #5a4300; border: 1px solid #e8c95a; border-radius: 6px; padding: 8px 12px; font-size: 13px; margin: 12px 0 0; }
article.policy h2 { font-size: 19px; margin-top: 28px; }
article.policy { padding: 20px 0 40px; }
@media (max-width: 560px) { dl.org { grid-template-columns: 1fr; } dl.org dt { margin-top: 8px; } }