:root { --green: #06c755; --green-dark: #04a547; --ink: #111418; --sub: #555b63; --line: #e4e7eb; --bg-soft: #f4f7f5; }
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif; color: var(--ink); line-height: 1.85; background: #fff; -webkit-text-size-adjust: 100%; }
a { color: var(--green-dark); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.topbar { border-bottom: 1px solid var(--line); font-size: 0.85rem; }
.topbar .wrap { max-width: 1040px; display: flex; align-items: center; min-height: 52px; }
.topbar ol { display: flex; flex-wrap: wrap; gap: 4px 8px; list-style: none; margin: 0; padding: 8px 0; color: var(--sub); }
.topbar li + li::before { content: "/"; margin-right: 8px; }
.topbar a { color: inherit; text-decoration: none; }
.article { padding-top: 40px; padding-bottom: 64px; }
h1 { font-size: 2rem; line-height: 1.4; margin: 0 0 8px; }
.meta { color: var(--sub); font-size: 0.85rem; margin: 0 0 24px; }
.lead { font-size: 1.05rem; background: var(--bg-soft); border-radius: 12px; padding: 20px 24px; margin: 0 0 8px; }
section { margin-top: 44px; }
h2 { font-size: 1.45rem; line-height: 1.45; margin: 0 0 16px; padding-left: 14px; border-left: 5px solid var(--green); }
p { margin: 0 0 16px; }
ul, ol { padding-left: 1.4em; margin: 0 0 16px; }
li { margin-bottom: 10px; }
.steps-list li { margin-bottom: 16px; }
code { background: #eef2ef; border-radius: 6px; padding: 2px 6px; font-size: 0.9em; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; word-break: break-all; }
table.ex { width: 100%; border-collapse: collapse; border: 1px solid var(--line); font-size: 0.95rem; margin: 0 0 16px; }
table.ex th, table.ex td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.ex th { background: #fafbfa; }
table.ex td:last-child { background: #f6fcf8; }
.cta { display: inline-flex; align-items: center; justify-content: center; padding: 15px 30px; background: var(--green); color: #fff; text-decoration: none; border-radius: 999px; font-weight: 700; box-shadow: 0 6px 18px rgba(6, 199, 85, 0.3); }
.cta:hover { background: var(--green-dark); }
.cta-box { margin: 44px 0 0; border: 2px solid var(--green); border-radius: 16px; padding: 24px; text-align: center; }
.cta-box-title { font-weight: 700; font-size: 1.1rem; margin-bottom: 8px; }
.cta-box p { color: var(--sub); }
.cta-box .cta-box-title { color: var(--ink); }
.related { margin-top: 56px; border-top: 1px solid var(--line); padding-top: 32px; }
.related h2 { border-left: none; padding-left: 0; font-size: 1.2rem; }
footer { padding: 32px 0 40px; font-size: 0.88rem; color: var(--sub); border-top: 1px solid var(--line); }
footer ul { display: flex; flex-wrap: wrap; gap: 8px 20px; list-style: none; padding: 0; margin: 0 0 12px; }
footer a { color: var(--sub); }
.sticky-cta { display: none; }
@media (max-width: 860px) {
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.25rem; }
  body { padding-bottom: 84px; }
  .sticky-cta { display: block; position: fixed; left: 0; right: 0; bottom: 0; padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); background: rgba(255, 255, 255, 0.96); border-top: 1px solid var(--line); z-index: 10; }
  .sticky-cta .cta { width: 100%; }
}