/* 2s 公式サイト共通スタイル（アプリの配色 mobile/src/shared/theme/colors.ts に合わせる） */
:root {
  --primary: #F5316F;
  --primary-light: #FA5E8D;
  --secondary: #FF8066;
  --bg: #FFF6F5;
  --surface: #FFFFFF;
  --surface-warm: #FFE9E7;
  --text: #222B36;
  --text-secondary: #5C6672;
  --text-muted: #8C97A3;
  --border: #F3D9DE;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Segoe UI", Roboto, sans-serif;
  line-height: 1.7;
  font-size: 16px;
}
a { color: var(--primary); }
.container { max-width: 760px; margin: 0 auto; padding: 0 20px; }

/* ヘッダー / フッター */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; min-height: 56px; }
.brand { font-weight: 900; font-size: 22px; text-decoration: none; color: var(--text); letter-spacing: 0.02em; }
.brand span { color: var(--primary); }
.site-nav a { color: var(--text-secondary); text-decoration: none; font-size: 14px; margin-left: 16px; }
/* 規約系ページのヘッダーナビ（LP は .wide で組むため対象外）。リンク単位で折り返し、スマホ幅ではロゴの下に並べる */
.site-header .container .site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px 16px; }
.site-header .container .site-nav a { margin-left: 0; white-space: nowrap; }
@media (max-width: 560px) {
  .site-header .container { flex-wrap: wrap; }
  .site-header .container .brand { padding: 10px 0 2px; }
  .site-header .container .site-nav { width: 100%; justify-content: flex-start; gap: 2px 14px; padding-bottom: 10px; }
  .site-header .container .site-nav a { font-size: 13px; }
}
.site-footer { border-top: 1px solid var(--border); margin-top: 48px; padding: 24px 0 40px; color: var(--text-muted); font-size: 13px; }
.site-footer nav a { color: var(--text-secondary); text-decoration: none; margin-right: 16px; }

/* LP */
.hero { padding: 56px 0 32px; text-align: center; }
.hero .logo { font-size: 64px; font-weight: 900; line-height: 1; margin: 0; }
.hero .logo .two { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .logo .s { color: #4A5560; }
.hero h1 { font-size: 24px; margin: 20px 0 8px; }
.hero p.lead { color: var(--text-secondary); margin: 0 0 24px; }
.btn { display: inline-block; padding: 14px 28px; border-radius: 999px; background: var(--primary); color: #fff; font-weight: 800; text-decoration: none; }
.btn.secondary { background: var(--surface); color: var(--primary); border: 1.5px solid var(--primary); }
.features { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 32px 0; }
@media (min-width: 640px) { .features { grid-template-columns: 1fr 1fr; } }
.card { background: transparent; border: 1px solid var(--border); border-radius: 22px; padding: 20px; }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--text-secondary); font-size: 14px; }
.badge { display: inline-block; background: var(--surface-warm); color: var(--primary); font-weight: 800; font-size: 12px; border-radius: 999px; padding: 4px 10px; margin-bottom: 8px; }
.pricing { background: var(--surface); border: 1px solid var(--border); border-radius: 22px; padding: 20px 24px; }
.pricing ul { margin: 8px 0 0; padding-left: 20px; color: var(--text-secondary); font-size: 14px; }

/* 規約などの文書 */
.doc { background: transparent; border: 1px solid var(--border); border-radius: 22px; padding: 28px 24px; margin-top: 24px; }
.doc h1 { font-size: 22px; margin: 0 0 4px; }
.doc .updated { color: var(--text-muted); font-size: 13px; margin: 0 0 24px; }
.doc h2 { font-size: 17px; margin: 28px 0 8px; padding-left: 10px; border-left: 4px solid var(--primary); }
.doc p, .doc li { font-size: 15px; }
.doc ol, .doc ul { padding-left: 22px; }
/* 規約の「号」: （1）（2）… の番号で表示する */
.doc ol.items { list-style: none; counter-reset: item; padding-left: 3.2em; }
.doc ol.items > li { counter-increment: item; position: relative; }
.doc ol.items > li::before { content: "（" counter(item) "）"; position: absolute; left: -3.2em; width: 3em; text-align: right; }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--border); }
.doc th { width: 34%; color: var(--text-secondary); font-weight: 700; }