/* ========== Base ========== */
:root {
  --bg: #ffffff;
  --fg: #111827;
  --muted: #6b7280;
  --brand: #373737;
  --border: #e5e7eb;
  --surface: #f9fafb;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Noto Sans JP, "Hiragino Kaku Gothic ProN", "Yu Gothic UI", sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.8;
}

.container {
  max-width: 1080px;
  margin-inline: auto;
  padding: 0 16px;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex;
  margin-bottom: 50px;
}

.header-inner {
  display: flex;
  align-items: center;
  text-align: center;
  height: 64px;
}

.brand {
  font-weight: 700;
  font-size: 20px;
  color: var(--fg);
  text-decoration: none;
}


/* ========== Title ========== */
.page-title {
  font-size: clamp(24px, 3vw, 32px);
  margin: 24px 0 4px;
  font-weight: 800;
}

.updated {
  color: var(--muted);
  margin: 0 0 16px;
}

/* ========== Layout ========== */
.layout {
  display: flex;
  justify-content: center;
  /* 横方向の中央寄せ */
  gap: 24px;
  align-items: flex-start;
  /* 上に揃える（縦中央にしたい場合は center に） */
}

.content {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  max-width: 400px;
  /* お好みで幅指定 */
  margin: 0 auto;
  /* 中央寄せ */
}

.content h2 {
  font-size: clamp(18px, 2.2vw, 22px);
  padding-left: 10px;
  margin: 28px 0 12px;
  line-height: 1.3;
}

.content p {
  font-size: 16px;
}

#policy-1 {
  text-align: center;
}

.line {
  width: 100px;
}

/* ========== Footer ========== */
.site-footer {
  margin-top: 200px;
  border-top: 1px solid var(--border);
  background: #fff;
}

.footer-inner {
  padding: 24px 0;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

/* ========== Responsive ========== */
@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }

}


/* 横スクロール防止 */
html,
body {
  overflow-x: hidden;
  width: 100%;
  box-sizing: border-box;
}

html,
body {
  background-color: #ffffff !important;
  color: #111827 !important;
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
}