/* トップページ（top.html。ログインしていない人の /。docs/cloud/billing.md §11.1）。
 * 色は /css/variables.css の変数だけを使う。変数が読めないときのために既定のテーマ（sho）の色を添える */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body.top-page {
  margin: 0;
  background: var(--color-bg-page, #FAF8F6);
  color: var(--color-text, #333);
  font-family: var(--font-family-screen, system-ui, sans-serif);
  font-size: 16px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
a { color: var(--color-link, #A6140E); }

.top-inner { max-width: 960px; margin: 0 auto; padding: 0 16px; }

/* ---- ヘッダ ---- */
.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--color-bg-card, #fff);
  border-bottom: 1px solid var(--color-border, #E5D5D0);
}
.top-brand {
  color: var(--color-heading, #561912);
  font-weight: bold;
  font-size: 20px;
  letter-spacing: 0.05em;
  text-decoration: none;
}
.top-header-nav { display: flex; align-items: center; gap: 16px; }
.top-header-login { font-size: 15px; }

/* ---- ボタン ---- */
.top-button {
  display: inline-block;
  padding: 12px 24px;
  border: 1px solid var(--color-primary, #A6140E);
  border-radius: 6px;
  background: var(--color-primary, #A6140E);
  color: var(--color-on-primary, #fff);
  font-weight: bold;
  text-decoration: none;
  text-align: center;
}
.top-button:hover { background: var(--color-primary-dark, #7E0F0A); }
.top-button-secondary {
  background: var(--color-bg-card, #fff);
  color: var(--color-primary, #A6140E);
}
.top-button-secondary:hover { background: var(--color-bg-page, #FAF8F6); }
.top-button-small { padding: 6px 14px; font-size: 14px; }

/* ---- 冒頭 ---- */
.top-hero {
  padding: 56px 0 48px;
  background: var(--color-bg-card, #fff);
  border-bottom: 1px solid var(--color-border, #E5D5D0);
}
.top-hero h1 {
  margin: 0 0 16px;
  color: var(--color-heading, #561912);
  font-size: 30px;
  line-height: 1.5;
}
.top-lead { margin: 0 0 28px; max-width: 40em; color: var(--color-text-secondary, #666); font-size: 17px; }
.top-cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---- 各節 ---- */
.top-section { padding: 48px 0; }
.top-section-alt { background: var(--color-bg-card, #fff); border-top: 1px solid var(--color-border, #E5D5D0); border-bottom: 1px solid var(--color-border, #E5D5D0); }
.top-section h2 {
  margin: 0 0 24px;
  color: var(--color-heading, #561912);
  font-size: 24px;
}

.top-shot { margin: 0 0 28px; }
.top-shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border, #E5D5D0);
  border-radius: var(--radius-card, 8px);
  background: var(--color-bg-card, #fff);
}
.top-shot figcaption { margin-top: 6px; color: var(--color-text-muted, #555); font-size: 13px; }

.top-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.top-features li {
  padding: 16px;
  background: var(--color-bg-card, #fff);
  border: 1px solid var(--color-border, #E5D5D0);
  border-radius: var(--radius-card, 8px);
}
.top-features h3 { margin: 0 0 6px; font-size: 17px; color: var(--color-heading, #561912); }
.top-features p { margin: 0; font-size: 15px; }

/* ---- 料金 ---- */
.top-plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.top-plan {
  padding: 20px;
  background: var(--color-bg-page, #FAF8F6);
  border: 1px solid var(--color-border, #E5D5D0);
  border-radius: var(--radius-card, 8px);
}
.top-plan-paid { border: 2px solid var(--color-primary, #A6140E); }
.top-plan h3 { margin: 0 0 4px; font-size: 18px; color: var(--color-heading, #561912); }
.top-price { margin: 0 0 12px; font-size: 16px; }
.top-price-num { font-size: 32px; font-weight: bold; color: var(--color-heading, #561912); }
.top-tax { font-size: 14px; }
.top-plan ul { margin: 0; padding-left: 1.2em; font-size: 15px; }
.top-note { margin: 16px 0 0; color: var(--color-text-secondary, #666); font-size: 14px; }

/* ---- お支払い方法 ---- */
.top-dl { margin: 0; }
.top-dl dt { font-weight: bold; color: var(--color-heading, #561912); }
.top-dl dd { margin: 0 0 16px; }

/* ---- 流れ ---- */
.top-flow { margin: 0; padding-left: 1.4em; }
.top-flow li { margin-bottom: 12px; }
.top-flow strong { display: block; color: var(--color-heading, #561912); }

/* ---- フッタ ---- */
.top-footer {
  padding: 24px 16px 32px;
  background: var(--color-bg-card, #fff);
  border-top: 1px solid var(--color-border, #E5D5D0);
  font-size: 14px;
  text-align: center;
}
.top-footer ul {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 20px;
}
.top-copy { margin: 0; color: var(--color-text-muted, #555); }

@media (max-width: 600px) {
  .top-hero { padding: 36px 0 32px; }
  .top-hero h1 { font-size: 23px; }
  .top-lead { font-size: 16px; }
  .top-cta .top-button { flex: 1 1 100%; }
  .top-section { padding: 36px 0; }
  .top-section h2 { font-size: 21px; }
}