/* ============================================================
   Globox Inc. コーポレートサイト — スタイルシート
   担当：松本 翔太（フロントエンドエンジニア）
   ============================================================ */

/* ── リセット & 変数 ─────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-dark:    #0B1B3E;
  --color-mid:     #162B5C;
  --color-accent:  #00C896;
  --color-accent2: #00A87E;
  --color-white:   #FFFFFF;
  --color-bg:      #F5F7FA;
  --color-text:    #2D3748;
  --color-muted:   #718096;
  --color-border:  #E2E8F0;
  --font-jp: 'Noto Sans JP', sans-serif;
  --font-en: 'Inter', sans-serif;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(11,27,62,0.10);
  --shadow-lg: 0 8px 40px rgba(11,27,62,0.16);
  --transition: 0.3s ease;
  --container: 1100px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-jp);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── ユーティリティ ─────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-dark);
  text-align: center;
  margin-bottom: 12px;
}

.section-sub {
  text-align: center;
  color: var(--color-muted);
  font-size: 1rem;
  margin-bottom: 56px;
}

.accent { color: var(--color-accent); }

/* ── ボタン ─────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-jp);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-accent:hover { background: var(--color-accent2); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,200,150,0.35); }

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }

.btn-sm { padding: 8px 20px; font-size: 0.875rem; }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }
.btn-full { width: 100%; }
.btn-nav {
  background: var(--color-accent);
  color: var(--color-white);
  padding: 8px 22px;
  border-radius: 50px;
  font-weight: 600;
}
.btn-nav:hover { background: var(--color-accent2); }

/* ── アニメーション ─────────────────────── */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.delay { transition-delay: 0.2s; }

/* ── ヘッダー ───────────────────────────── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  background: rgba(11,27,62,0.97);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 16px rgba(0,0,0,0.2);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  margin-right: auto;
}
.logo-en {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.5px;
}
.logo-ja {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-link:hover { color: var(--color-accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── ヒーロー ───────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-mid) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%; right: -20%;
  width: 60%; height: 140%;
  background: radial-gradient(circle, rgba(0,200,150,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.25;
  margin-bottom: 20px;
}

.hero-desc {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* コードブロック */
.code-block {
  background: #0d2137;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.08);
}

.code-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red    { background: #FF5F57; }
.dot.yellow { background: #FEBC2E; }
.dot.green  { background: #28C840; }
.code-filename { margin-left: auto; font-size: 0.75rem; color: rgba(255,255,255,0.35); font-family: var(--font-en); }

.code-body {
  padding: 24px;
  font-size: 0.85rem;
  font-family: 'Consolas', 'Monaco', monospace;
  line-height: 1.7;
  overflow-x: auto;
}
.kw { color: #C792EA; }
.vr { color: #82AAFF; }
.ky { color: #80CBC4; }
.st { color: #C3E88D; }
.fn { color: #82AAFF; }

.hero-wave {
  position: absolute;
  bottom: 0; left: 0; right: 0;
}
.hero-wave svg { display: block; width: 100%; height: 80px; }

/* ── 特長 ───────────────────────────────── */
.features {
  background: var(--color-bg);
  padding: 100px 0;
}

.features .section-title { margin-bottom: 56px; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.feature-icon { font-size: 2.4rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--color-dark); margin-bottom: 12px; }
.feature-card p  { font-size: 0.9rem; color: var(--color-muted); line-height: 1.8; }

/* ── サービス ───────────────────────────── */
.services { padding: 100px 0; }
.services .section-title { margin-bottom: 16px; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-card.featured { border-color: var(--color-accent); box-shadow: 0 0 0 1px var(--color-accent), var(--shadow); }

.service-badge {
  position: absolute;
  top: -12px; right: 20px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
}

.service-icon { font-size: 2rem; margin-bottom: 12px; }
.service-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--color-dark); margin-bottom: 10px; }
.service-card p  { font-size: 0.9rem; color: var(--color-muted); margin-bottom: 16px; line-height: 1.8; }

.service-list { margin-bottom: 20px; }
.service-list li {
  font-size: 0.875rem;
  color: var(--color-text);
  padding: 4px 0;
  border-bottom: 1px solid var(--color-border);
}
.service-list li::before { content: "→ "; color: var(--color-accent); }

/* ── ご利用の流れ ───────────────────────── */
.flow { padding: 100px 0; background: var(--color-white); }

.flow-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.flow-step {
  flex: 1;
  text-align: center;
  padding: 36px 20px;
  background: var(--color-bg);
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
}
.flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.flow-num {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.flow-icon { font-size: 2rem; margin-bottom: 12px; }

.flow-step h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.flow-step p {
  font-size: 0.825rem;
  color: var(--color-muted);
  line-height: 1.75;
}

.flow-arrow {
  flex-shrink: 0;
  width: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 60px;
  color: var(--color-accent);
  font-size: 1.4rem;
  font-weight: 300;
}
.flow-arrow::after {
  content: '›';
}

@media (max-width: 900px) {
  .flow-steps { flex-direction: column; gap: 16px; }
  .flow-arrow  { display: none; }
}

/* ── 会社概要 ───────────────────────────── */
.about {
  background: var(--color-bg);
  padding: 100px 0;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about .section-title { text-align: left; }

.about-lead {
  font-size: 0.925rem;
  color: var(--color-muted);
  line-height: 1.8;
  margin-top: 12px;
  border-left: 3px solid var(--color-accent);
  padding-left: 12px;
}

.about-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0 32px;
  font-size: 0.9rem;
}
.about-table th, .about-table td {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  line-height: 1.6;
}
.about-table th {
  width: 90px;
  color: var(--color-muted);
  font-weight: 500;
  white-space: nowrap;
}

.mission-box {
  background: var(--color-dark);
  border-radius: var(--radius);
  padding: 24px 28px;
  border-left: 4px solid var(--color-accent);
}
.mission-quote {
  color: rgba(255,255,255,0.9);
  font-size: 0.95rem;
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 8px;
}
.mission-attr { color: var(--color-accent); font-size: 0.8rem; font-weight: 600; }

.kyoto-card {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-mid) 100%);
  border-radius: var(--radius);
  padding: 48px 36px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.kyoto-icon { font-size: 3.5rem; margin-bottom: 16px; }
.kyoto-text {
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 24px;
}
.kyoto-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.tag {
  background: rgba(0,200,150,0.15);
  color: var(--color-accent);
  border: 1px solid rgba(0,200,150,0.3);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* ── お問い合わせ ───────────────────────── */
.contact {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-mid) 100%);
  padding: 100px 0;
}
.contact .section-title { color: var(--color-white); }

.contact-form {
  max-width: 720px;
  margin: 0 auto;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
}
.required { color: #ff6b6b; }

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--color-white);
  font-size: 0.95rem;
  font-family: var(--font-jp);
  transition: border-color var(--transition);
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-group select option { background: var(--color-dark); color: var(--color-white); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255,255,255,0.12);
}

.form-note {
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-top: 12px;
}

/* ── フッター ───────────────────────────── */
.footer {
  background: #070F22;
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.footer .logo-en { font-family: var(--font-en); font-size: 1.3rem; font-weight: 700; color: var(--color-white); }
.footer .logo-ja { font-size: 0.7rem; color: rgba(255,255,255,0.4); }

.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.footer-nav a { font-size: 0.85rem; color: rgba(255,255,255,0.55); transition: color var(--transition); }
.footer-nav a:hover { color: var(--color-accent); }

.footer-copy { font-size: 0.75rem; color: rgba(255,255,255,0.3); }

/* ── レスポンシブ ───────────────────────── */
@media (max-width: 900px) {
  .hero-inner     { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual    { max-width: 480px; margin: 0 auto; }
  .features-grid  { grid-template-columns: 1fr; }
  .services-grid  { grid-template-columns: 1fr; }
  .about-inner    { grid-template-columns: 1fr; }
  .form-row       { grid-template-columns: 1fr; }
  .nav-links      { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(11,27,62,0.98); padding: 16px 24px; gap: 16px; }
  .nav-links.open { display: flex; }
  .nav-toggle     { display: flex; }
  .header         { position: fixed; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; text-align: center; }
  .about-table th { width: 70px; font-size: 0.8rem; }
}