/* ==========================================================================
   事業内容（/service/）
   モバイルファースト：基本＝スマホ、@media (min-width: 769px) でPC
   ========================================================================== */
.syy-biz * { box-sizing: border-box; margin: 0; padding: 0; }
.syy-biz {
  font-family: var(--font-jp);
  color: var(--text-dark);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ===== PAGE HERO ===== */
.syy-biz .page-hero {
  background: var(--gradient-main);
  padding: 60px 20px 48px;
  position: relative; overflow: hidden;
  text-align: center;
}
.syy-biz .page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 100%);
}
.syy-biz .page-hero::after {
  content: '';
  position: absolute; top: -30%; right: -10%;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  filter: blur(60px); opacity: 0.5;
}
.syy-biz .page-hero-inner { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
.syy-biz .page-tag {
  font-family: var(--font-en); font-size: 12px; font-weight: 700;
  color: var(--accent-bright); letter-spacing: 0.15em;
  text-transform: uppercase; margin-bottom: 16px; display: block;
}
.syy-biz .page-hero h1 { font-size: 28px; font-weight: 900; color: #fff; margin-bottom: 16px; letter-spacing: -0.02em; }
.syy-biz .page-hero p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; }

/* ===== SECTION COMMON ===== */
.syy-biz .section-header { text-align: center; margin-bottom: 56px; }
.syy-biz .section-tag {
  font-family: var(--font-en); font-size: 12px; font-weight: 700;
  color: var(--accent); letter-spacing: 0.15em;
  text-transform: uppercase; margin-bottom: 12px; display: block;
}
.syy-biz .section-title { font-size: 24px; font-weight: 900; color: var(--text-dark); margin-bottom: 12px; letter-spacing: -0.02em; }
.syy-biz .section-desc { font-size: 15px; color: var(--text-dark-sub); max-width: 600px; margin: 0 auto; }

/* ===== DX SECTION ===== */
.syy-biz .dx-section { padding: 56px 20px; background: #f8fafc; }
.syy-biz .dx-inner { max-width: 1100px; margin: 0 auto; }
.syy-biz .dx-lead {
  max-width: 800px; margin: 0 auto 56px;
  font-size: 14px; color: var(--text-dark-sub); line-height: 2; text-align: center;
}
.syy-biz .dx-grid { display: grid; grid-template-columns: 1fr; gap: 24px; max-width: 1000px; margin: 0 auto; }
.syy-biz .dx-card {
  background: #fff; border: 1px solid var(--border-light); border-radius: 16px;
  padding: 36px 28px; transition: all 0.3s; position: relative; overflow: hidden;
}
.syy-biz .dx-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-accent); transform: scaleX(0); transform-origin: left; transition: transform 0.4s;
}
.syy-biz .dx-card:hover { transform: translateY(-6px); box-shadow: 0 20px 60px rgba(0,0,0,0.08); border-color: rgba(59,130,246,0.2); }
.syy-biz .dx-card:hover::before { transform: scaleX(1); }
.syy-biz .dx-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(139,92,246,0.08));
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 28px; margin-bottom: 20px;
}
.syy-biz .dx-card h3 { font-size: 20px; font-weight: 800; color: var(--text-dark); margin-bottom: 12px; }
.syy-biz .dx-card p { font-size: 14px; color: var(--text-dark-sub); line-height: 1.9; }
.syy-biz .dx-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.syy-biz .dx-tags span {
  font-size: 11px; font-weight: 600; color: var(--accent);
  background: rgba(59,130,246,0.06); padding: 4px 10px; border-radius: 6px; font-family: var(--font-en);
}

/* グループ見出し（作る／つなぐ・自動化する／AIを使う） */
.syy-biz .dx-group-title {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  font-size: 20px; font-weight: 900; color: var(--text-dark);
  margin: 40px 0 18px;
}
.syy-biz .dx-group-title:first-of-type { margin-top: 0; }
.syy-biz .dx-group-num {
  font-family: var(--font-en); font-size: 12px; font-weight: 800; letter-spacing: 0.1em;
  color: #fff; background: var(--gradient-accent);
  padding: 4px 10px; border-radius: 999px;
}
.syy-biz .dx-icon svg { color: var(--accent); }
.syy-biz .dx-card h4 { font-size: 19px; font-weight: 800; color: var(--text-dark); margin-bottom: 12px; line-height: 1.5; }
.syy-biz .dx-card .dx-more { margin-top: 8px; font-size: 13px; color: var(--text-muted); }

/* 通信・ライフライン：小さめの1カード */
.syy-biz .life-mini {
  display: flex; flex-direction: column; gap: 14px;
  max-width: 800px; margin: 0 auto;
  background: #f8fafc; border: 1px solid var(--border-light); border-radius: 16px;
  padding: 24px 22px; text-align: left;
}
.syy-biz .life-mini-icon {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(139,92,246,0.08));
  display: flex; align-items: center; justify-content: center; color: var(--accent);
}
.syy-biz .life-mini h3 { font-size: 16px; font-weight: 800; color: var(--text-dark); margin-bottom: 6px; }
.syy-biz .life-mini p { font-size: 13px; color: var(--text-dark-sub); line-height: 1.8; }
.syy-biz .life-mini .dx-tags { margin-top: 10px; }

/* ===== LIFELINE SECTION ===== */
.syy-biz .life-section { padding: 56px 20px; background: #fff; }
.syy-biz .life-inner { max-width: 1100px; margin: 0 auto; }
.syy-biz .life-lead {
  max-width: 800px; margin: 0 auto 56px;
  font-size: 14px; color: var(--text-dark-sub); line-height: 2; text-align: center;
}
.syy-biz .life-grid { display: grid; grid-template-columns: 1fr; gap: 24px; max-width: 1000px; margin: 0 auto; }
.syy-biz .life-card {
  background: #f8fafc; border: 1px solid var(--border-light); border-radius: 16px;
  padding: 36px 28px; text-align: center; transition: all 0.3s;
}
.syy-biz .life-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.06); }
.syy-biz .life-icon { font-size: 40px; margin-bottom: 16px; display: block; }
.syy-biz .life-card h3 { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.syy-biz .life-card p { font-size: 14px; color: var(--text-dark-sub); line-height: 1.8; }

/* ===== CTA ===== */
.syy-biz .cta-section {
  background: var(--gradient-main); padding: 56px 20px;
  text-align: center; position: relative; overflow: hidden;
}
.syy-biz .cta-section::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 800px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%); opacity: 0.4;
}
.syy-biz .cta-inner { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
.syy-biz .cta-section h2 { font-size: 22px; font-weight: 900; color: #fff; margin-bottom: 16px; }
.syy-biz .cta-section p { font-size: 16px; color: var(--text-secondary); margin-bottom: 40px; line-height: 1.9; }
.syy-biz .cta-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%;
  background: var(--gradient-accent); color: #fff !important;
  padding: 16px 24px; border-radius: 12px;
  font-size: 15px; font-weight: 700; text-decoration: none !important;
  transition: all 0.3s; box-shadow: 0 6px 32px rgba(59,130,246,0.35);
  position: relative; overflow: hidden;
}
.syy-biz .cta-btn::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.15) 50%, transparent 100%);
  transform: translateX(-100%); transition: transform 0.6s;
}
.syy-biz .cta-btn:hover::before { transform: translateX(100%); }
.syy-biz .cta-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 40px rgba(59,130,246,0.5); }

/* ==========================================================================
   PC（769px〜）
   ========================================================================== */
@media (min-width: 769px) {
  .syy-biz .page-hero { padding: 80px 48px 64px; }
  .syy-biz .page-hero h1 { font-size: 40px; }
  .syy-biz .section-title { font-size: 32px; }
  .syy-biz .dx-section, .syy-biz .life-section { padding: 80px 48px; }
  .syy-biz .dx-lead, .syy-biz .life-lead { font-size: 16px; }
  .syy-biz .dx-grid { grid-template-columns: repeat(2, 1fr); }
  .syy-biz .dx-group-title { font-size: 24px; margin: 56px 0 24px; }
  .syy-biz .life-grid { grid-template-columns: repeat(3, 1fr); }
  .syy-biz .life-mini { flex-direction: row; align-items: flex-start; padding: 28px 32px; }
  .syy-biz .cta-section { padding: 100px 48px; }
  .syy-biz .cta-section h2 { font-size: 32px; }
  .syy-biz .cta-btn { width: auto; font-size: 17px; padding: 18px 48px; }
}