/* R150works LP 共通スタイル */

:root {
  --color-primary: #1c3464;
  --color-primary-light: #2a4d8f;
  --color-accent: #b8741a;
  --color-text: #1f2937;
  --color-text-muted: #6b7280;
  --color-bg: #ffffff;
  --color-bg-soft: #f8fafc;
  --color-border: #e5e7eb;
  --color-success: #15803d;
  --color-warning: #b45309;
  --max-width: 1080px;
  --max-width-text: 780px;
  --radius: 6px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: "Noto Sans JP", -apple-system, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  margin: 0;
  padding: 0;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.85;
  letter-spacing: 0.04em;
  font-size: 16px;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-primary-light);
}

/* ヘッダー */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.site-logo {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
}

.site-nav a {
  color: var(--color-text);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--color-primary);
}

/* ヒーロー */
.hero {
  background: linear-gradient(180deg, var(--color-bg-soft) 0%, var(--color-bg) 100%);
  padding: 80px 24px 64px;
  text-align: center;
}

.hero-inner {
  max-width: var(--max-width-text);
  margin: 0 auto;
}

.hero h1 {
  font-size: 32px;
  color: var(--color-primary);
  margin: 0 0 16px;
  line-height: 1.4;
}

.hero .lead {
  font-size: 18px;
  color: var(--color-text-muted);
  margin: 0 0 32px;
}

/* セクション */
.section {
  padding: 64px 24px;
}

.section-soft {
  background: var(--color-bg-soft);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section h2 {
  font-size: 24px;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 8px;
  margin: 0 0 32px;
}

.section h3 {
  font-size: 18px;
  color: var(--color-primary);
  margin: 24px 0 12px;
}

/* プロダクトグリッド */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.product-card h3 {
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-card .product-status {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.product-status.live {
  background: #dcfce7;
  color: var(--color-success);
}

.product-status.beta {
  background: #fef3c7;
  color: var(--color-warning);
}

.product-status.planned {
  background: #e0e7ff;
  color: #3730a3;
}

.product-card p {
  margin: 12px 0 16px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.product-card a.product-link {
  font-size: 14px;
}

/* 会社情報テーブル */
.info-table {
  width: 100%;
  max-width: var(--max-width-text);
  margin: 0 auto;
  border-collapse: collapse;
  font-size: 14px;
}

.info-table th {
  text-align: left;
  padding: 12px 16px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  width: 30%;
  vertical-align: top;
  white-space: nowrap;
  font-weight: 600;
}

.info-table td {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
}

/* 文書ページ用 */
.doc-page {
  max-width: var(--max-width-text);
  margin: 0 auto;
  padding: 48px 24px;
}

.doc-page h1 {
  font-size: 24px;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 12px;
  margin: 0 0 32px;
}

.doc-page h2 {
  font-size: 18px;
  color: var(--color-primary);
  margin: 32px 0 12px;
}

.doc-page h3 {
  font-size: 16px;
  color: var(--color-text);
  margin: 24px 0 8px;
}

.doc-page table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

.doc-page th {
  text-align: left;
  padding: 8px 12px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  vertical-align: top;
}

.doc-page td {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
}

.doc-page ol,
.doc-page ul {
  padding-left: 24px;
}

.doc-page li {
  margin: 8px 0;
}

.note {
  font-size: 13px;
  color: var(--color-text-muted);
  background: var(--color-bg-soft);
  padding: 12px 16px;
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 16px 0;
}

/* フッター */
.site-footer {
  background: var(--color-primary);
  color: #ffffff;
  padding: 40px 24px 24px;
  text-align: center;
}

.site-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-footer .footer-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
  font-size: 14px;
  flex-wrap: wrap;
}

.site-footer .footer-nav a {
  color: #ffffff;
  text-decoration: none;
}

.site-footer .footer-nav a:hover {
  text-decoration: underline;
}

.site-footer .copyright {
  font-size: 13px;
  opacity: 0.75;
}

@media (max-width: 640px) {
  .hero h1 { font-size: 24px; }
  .hero .lead { font-size: 15px; }
  .section { padding: 48px 16px; }
  .section h2 { font-size: 20px; }
  .info-table th { width: 35%; font-size: 13px; }
  .doc-page { padding: 32px 16px; }
}