/* Shu Works コーポレートサイト 共通スタイル */

:root {
  --primary: #1e3a5f;
  --primary-dark: #14283f;
  --accent: #2b6cb0;
  --bg: #f7f9fc;
  --card: #ffffff;
  --text: #1a202c;
  --sub: #4a5568;
  --muted: #718096;
  --border: #e2e8f0;
  --success: #38a169;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
}

body, nav, footer, header, button {
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif;
}

article, section.content {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== NAV ===== */
nav.global {
  background: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav.global .inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

nav.global .brand {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
}

nav.global .brand small {
  font-weight: 400;
  font-size: 11px;
  color: #cbd5e0;
  margin-left: 8px;
  letter-spacing: normal;
}

nav.global ul {
  display: flex;
  gap: 28px;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

nav.global a {
  color: #e2e8f0;
  font-size: 14px;
}

nav.global a:hover {
  color: #fff;
  text-decoration: none;
}

@media (max-width: 720px) {
  nav.global ul { gap: 16px; }
  nav.global a { font-size: 12px; }
}

/* ===== HEADER ===== */
header.hero {
  background: linear-gradient(135deg, #1e3a5f 0%, #2b6cb0 100%);
  color: #fff;
  padding: 96px 20px 96px;
  text-align: center;
}

header.hero .badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 16px;
  border-radius: 4px;
  font-size: 13px;
  margin-bottom: 24px;
  letter-spacing: 0.06em;
}

header.hero h1 {
  font-size: clamp(28px, 5vw, 42px);
  margin: 0 0 20px;
  letter-spacing: 0.04em;
  line-height: 1.5;
  font-weight: 600;
}

header.hero p.lead {
  font-size: clamp(15px, 2vw, 18px);
  margin: 0 auto 32px;
  max-width: 720px;
  opacity: 0.92;
  line-height: 1.9;
}

/* ===== SECTION ===== */
section {
  max-width: 960px;
  margin: 0 auto;
  padding: 80px 20px;
}

section.alt {
  background: #fff;
}

section.alt .inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 80px 20px;
}

section h2 {
  font-size: clamp(22px, 3.5vw, 28px);
  text-align: center;
  margin: 0 0 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

section h2::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin: 16px auto 0;
}

section .subtitle {
  text-align: center;
  color: var(--sub);
  margin: 0 0 48px;
  font-size: 15px;
}

/* ===== CTA ===== */
.cta {
  display: inline-block;
  background: #fff;
  color: var(--primary);
  font-weight: 700;
  padding: 14px 40px;
  border-radius: 4px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  transition: transform 0.15s ease;
  letter-spacing: 0.04em;
}

.cta:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.cta.solid {
  background: var(--accent);
  color: #fff;
}

.cta.outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
}

/* ===== TABLES ===== */
table.info {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 15px;
  max-width: 720px;
  margin: 0 auto;
}

table.info th {
  background: #f7f9fc;
  padding: 16px 20px;
  text-align: left;
  border: 1px solid var(--border);
  font-weight: 600;
  width: 30%;
  vertical-align: top;
}

table.info td {
  padding: 16px 20px;
  border: 1px solid var(--border);
  vertical-align: top;
}

/* ===== CARDS ===== */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 32px 28px;
}

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

.card p {
  margin: 0;
  font-size: 14px;
  color: var(--sub);
  line-height: 1.9;
}

/* ===== ARTICLE ===== */
article {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 2.0;
}

article p {
  margin-bottom: 1.5em;
}

article h2 {
  font-size: 22px;
  margin: 2em 0 1em;
  padding-bottom: 0.5em;
  border-bottom: 2px solid var(--accent);
}

article h3 {
  font-size: 18px;
  margin: 1.5em 0 0.8em;
  color: var(--primary);
}

article ul, article ol {
  margin: 1em 0;
  padding-left: 1.5em;
}

article li { margin-bottom: 0.5em; }

article blockquote {
  border-left: 4px solid var(--accent);
  background: #f7f9fc;
  padding: 1em 1.5em;
  margin: 1.5em 0;
  font-style: italic;
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: var(--primary);
  color: #fff;
  text-align: center;
  padding: 80px 20px;
}

.cta-section h2 {
  margin-top: 0;
  color: #fff;
}

.cta-section h2::after {
  background: #fff;
}

.cta-section p {
  color: #cbd5e0;
  max-width: 600px;
  margin: 16px auto 32px;
}

/* ===== FOOTER ===== */
footer.global {
  background: #14283f;
  color: #cbd5e0;
  text-align: center;
  padding: 48px 20px 32px;
  font-size: 13px;
}

footer.global .tagline {
  font-size: 14px;
  margin-bottom: 16px;
  font-weight: 500;
  color: #fff;
}

footer.global .links {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

footer.global a {
  color: #cbd5e0;
}

footer.global a:hover {
  color: #fff;
}

footer.global small {
  display: block;
  margin-top: 8px;
  opacity: 0.7;
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.mt-32 { margin-top: 32px; }
.mb-32 { margin-bottom: 32px; }

.profile-box {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 40px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  align-items: center;
}

@media (max-width: 720px) {
  .profile-box {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.profile-photo {
  background: var(--bg);
  border-radius: 50%;
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  color: var(--muted);
}

.profile-info h3 {
  margin: 0 0 4px;
  font-size: 22px;
  color: var(--primary);
}

.profile-info p {
  margin: 0;
  color: var(--sub);
  line-height: 1.8;
}

/* ===== NEWS ===== */
.news-list {
  max-width: 720px;
  margin: 0 auto;
}

.news-item {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}

.news-item .date {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.news-item .category {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  padding: 3px 12px;
  border-radius: 2px;
  margin-bottom: 8px;
  margin-right: 8px;
  letter-spacing: 0.04em;
}

.news-item h3 {
  margin: 0;
  font-size: 16px;
  color: var(--text);
}

/* ===== FORM ===== */
.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  font-size: 15px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
  background: #fff;
}

.form-group .required {
  color: #e53e3e;
  font-size: 12px;
}