/* 入口ページ。外部のフォント・画像は使わない(CSP は 'self')。本文は端末の標準の日本語フォント、ロゴだけ Overpass(自前の小さなファイル) */
@font-face {
  font-family: Overpass;
  font-weight: 800;
  font-display: swap;
  src: url("/landing/overpass-800.woff2") format("woff2");
}

:root {
  --bg: #e4e6e3;
  --ink: #23262a;
  --sub: #4b5157;
  --green: #0b6b4f;
  --card: #ffffff;
  --yellow: #f3c300;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Meiryo", "Noto Sans JP", "Noto Sans CJK JP", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
a { color: var(--green); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 4px; }

.top, main, footer { width: 100%; max-width: 720px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
.top { display: flex; align-items: center; justify-content: space-between; padding-top: max(16px, env(safe-area-inset-top)); padding-bottom: 8px; }
.logo { color: var(--ink); text-decoration: none; font-family: Overpass, sans-serif; font-weight: 800; font-size: 28px; line-height: 1; letter-spacing: .01em; }
.logo small { text-decoration: none; font-family: inherit; font-weight: 800; font-size: 16px; margin-left: 8px; color: var(--green); }
.badge { font-size: 13px; font-weight: 700; padding: 2px 12px; border: 2px solid var(--ink); border-radius: 999px; background: var(--yellow); }

main { padding-bottom: 8px; }
section { margin-top: 44px; }
h2 { font-size: 22px; line-height: 1.4; margin: 0 0 16px; padding-left: 12px; border-left: 6px solid var(--green); }

.hero { margin-top: 12px; }
.sign { background: var(--green); border-radius: 18px; padding: 8px; }
.sign-inner { border: 3px solid #fff; border-radius: 12px; padding: 24px 20px; color: #fff; }
h1 { margin: 0 0 14px; font-size: 28px; line-height: 1.4; }
.sign-inner p { margin: 0; font-size: 16px; }

.btn {
  display: flex; align-items: center; justify-content: center;
  width: 100%; min-height: 60px; margin-top: 24px;
  border-radius: 12px; background: var(--green); color: #fff;
  font-size: 20px; font-weight: 700; text-decoration: none;
}
.btn:hover { background: #09593f; }
.btn:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }
.note { margin: 10px 0 0; text-align: center; font-size: 14px; color: var(--sub); }
.mapart { display: block; width: 100%; height: auto; margin-top: 20px; border: 2px solid var(--ink); border-radius: 12px; }

.cards, .steps, .plain { margin: 0; padding: 0; list-style: none; }
.cards { display: grid; gap: 12px; }
.cards li { background: var(--card); border: 2px solid var(--ink); border-radius: 10px; padding: 14px 16px; }
.cards b, .steps b { display: block; margin-bottom: 2px; font-size: 17px; }

.steps { display: grid; gap: 12px; }
.steps li { display: flex; gap: 14px; align-items: flex-start; background: var(--card); border: 2px solid var(--ink); border-radius: 10px; padding: 14px 16px; }
.n { flex: none; width: 34px; height: 34px; border-radius: 999px; background: var(--ink); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-family: Overpass, sans-serif; font-weight: 800; font-size: 18px; }

.plain { background: var(--card); border: 2px solid var(--ink); border-radius: 10px; padding: 6px 16px; }
.plain li { position: relative; padding: 10px 0 10px 20px; }
.plain li + li { border-top: 1px solid #d5d8d3; }
.plain li::before { content: ""; position: absolute; left: 0; top: 1.15em; width: 9px; height: 9px; border-radius: 999px; background: var(--green); }
.warn { border-color: var(--ink); box-shadow: inset 6px 0 0 var(--yellow); padding-left: 22px; }

details { background: var(--card); border: 2px solid var(--ink); border-radius: 10px; margin-bottom: 10px; }
summary { cursor: pointer; padding: 14px 16px; font-weight: 700; list-style-position: inside; }
details p { margin: 0; padding: 0 16px 14px; }

.cta { margin-top: 36px; }
.cta .btn { margin-top: 0; }

footer { margin-top: 48px; padding-top: 24px; padding-bottom: max(32px, env(safe-area-inset-bottom)); border-top: 2px solid var(--ink); font-size: 14px; color: var(--sub); }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-bottom: 8px; }
footer nav a, footer p a { display: inline-block; min-height: 32px; line-height: 32px; font-weight: 700; }
footer p { margin: 0; }

@media (min-width: 720px) {
  body { font-size: 17px; }
  .logo { font-size: 32px; }
  .sign-inner { padding: 36px 36px; }
  h1 { font-size: 36px; }
  .btn { max-width: 420px; margin-left: auto; margin-right: auto; }
  .cards { grid-template-columns: 1fr 1fr; }
}