*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }

:root {
  --red:     #E60012;
  --blue:    #0066CC;
  --yellow:  #FFD500;
  --navy:    #1E293B;
  --body:    #334155;
  --sub:     #64748B;
  --border:  #E2E8F0;
  --bg:      #F8FAFC;
  --white:   #FFFFFF;

  /* Service colors */
  --c1: #E60012;   /* Webアプリ = 赤 */
  --c2: #0066CC;   /* 自治体    = 青 */
  --c3: #1E293B;   /* 業務システム = ネイビー */
  --c4: #D97706;   /* 保守サービス = アンバー */
}

html { scroll-behavior:smooth; }
body { font-family:'Noto Sans JP',sans-serif; color:var(--body); line-height:1.75; overflow-x:hidden; background:#fff; }

/* ── Header ─────────────────────────── */
header { position:fixed; top:0; left:0; right:0; z-index:200; background:rgba(255,255,255,.97); backdrop-filter:blur(12px); border-bottom:1px solid var(--border); height:64px; display:flex; align-items:center; }
.header-inner { max-width:1200px; margin:0 auto; width:100%; padding:0 40px; display:flex; align-items:center; justify-content:space-between; }
.logo { font-family:'Outfit',sans-serif; font-weight:900; font-size:1.4rem; color:var(--navy); text-decoration:none; letter-spacing:.05em; }
.logo .s { color:var(--red); }
.logo .t { color:var(--blue); }
nav { display:flex; gap:32px; align-items:center; }
nav a { font-size:.82rem; font-weight:500; color:var(--sub); text-decoration:none; transition:color .2s; }
nav a:hover { color:var(--navy); }
nav a.on { color:var(--red); font-weight:700; border-bottom:2px solid var(--red); padding-bottom:2px; }
.nav-contact { background:var(--red); color:#fff!important; padding:8px 20px; border-radius:4px; font-weight:700!important; }

/* ── Hero ────────────────────────────── */
.hero {
  margin-top:64px;
  min-height:70vh;
  background:#fff;
  position:relative; overflow:hidden;
  display:flex; align-items:center;
}
/* 斜めの赤いブロック */
.hero-slash {
  position:absolute; right:0; top:0; bottom:0; width:50%;
  background:var(--navy);
  clip-path:polygon(14% 0,100% 0,100% 100%,0% 100%);
}
/* 黄色のアクセントライン */
.hero-slash::before {
  content:'';
  position:absolute; top:0; left:14%; bottom:0; width:5px;
  background:var(--yellow);
  transform:skewX(0deg);
}
.hero-slash::after {
  content:'SERVICE';
  position:absolute; bottom:40px; right:40px;
  font-family:'Outfit',sans-serif; font-size:8rem; font-weight:900;
  color:rgba(255,255,255,.04); line-height:1; letter-spacing:.1em;
  pointer-events:none;
}
.hero-inner {
  max-width:1200px; margin:0 auto; width:100%;
  padding:100px 40px;
  position:relative; z-index:5;
  display:grid; grid-template-columns:1fr 1fr; gap:0; align-items:center;
}
.breadcrumb { display:flex; gap:8px; margin-bottom:36px; }
.breadcrumb a { font-size:.78rem; color:var(--sub); text-decoration:none; }
.breadcrumb span { font-size:.78rem; color:var(--sub); }
.breadcrumb .cur { color:var(--red); }
.hero-en {
  font-family:'Outfit',sans-serif; font-size:.72rem; font-weight:700;
  letter-spacing:.25em; color:var(--red); margin-bottom:16px;
  display:flex; align-items:center; gap:12px;
}
.hero-en::before { content:''; display:block; width:40px; height:2px; background:var(--red); }
.hero-h1 {
  font-family:'Zen Kaku Gothic New',sans-serif;
  font-size:clamp(2.6rem,5vw,4.6rem);
  font-weight:900; color:var(--navy);
  line-height:1.1; letter-spacing:-.03em; margin-bottom:24px;
}
.hero-h1 .accent { color:var(--red); }
.hero-desc { font-size:1rem; color:var(--sub); line-height:1.95; max-width:480px; }

/* 右側：サービスインデックス */
.hero-index { padding-left:60px; }
.hero-index-list { list-style:none; }
.hero-index-item {
  display:flex; align-items:center; gap:20px;
  padding:20px 0; border-bottom:1px solid rgba(255,255,255,.08);
  cursor:pointer; transition:transform .2s;
  text-decoration:none;
}
.hero-index-item:last-child { border-bottom:none; }
.hero-index-item:hover { transform:translateX(6px); }
.idx-num {
  font-family:'Outfit',sans-serif; font-size:.72rem; font-weight:700;
  color:rgba(255,255,255,.35); letter-spacing:.1em; width:28px; flex-shrink:0;
}
.idx-bar { width:3px; height:36px; border-radius:2px; flex-shrink:0; }
.idx-text {}
.idx-en { font-family:'Outfit',sans-serif; font-size:.65rem; font-weight:700; letter-spacing:.15em; opacity:.5; margin-bottom:3px; color:#fff; }
.idx-ja { font-family:'Zen Kaku Gothic New',sans-serif; font-size:1.05rem; font-weight:700; color:#fff; }

/* ── Layout commons ──────────────────── */
.wrap { max-width:1200px; margin:0 auto; padding:0 40px; }
.sec-en {
  font-family:'Outfit',sans-serif; font-size:.7rem; font-weight:700;
  letter-spacing:.22em; text-transform:uppercase;
  display:flex; align-items:center; gap:10px; margin-bottom:14px;
}
.sec-en::before { content:''; display:block; width:28px; height:2px; }
.sec-ttl {
  font-family:'Zen Kaku Gothic New',sans-serif;
  font-size:clamp(1.8rem,3.5vw,2.8rem);
  font-weight:900; color:var(--navy); line-height:1.2; letter-spacing:-.02em;
}
.sec-lead { font-size:.97rem; color:var(--sub); line-height:1.9; max-width:620px; margin-top:16px; }

/* ── Section nav ─────────────────────── */
.sec-nav {
  background:#fff; border-bottom:2px solid var(--border);
  position:sticky; top:64px; z-index:100;
}
.sec-nav-inner {
  max-width:1200px; margin:0 auto; padding:0 40px;
  display:flex; overflow-x:auto;
}
.sec-nav a {
  display:flex; align-items:center; gap:10px;
  padding:16px 28px; font-size:.82rem; font-weight:600;
  color:var(--sub); text-decoration:none; white-space:nowrap;
  border-bottom:3px solid transparent; margin-bottom:-2px;
  transition:all .2s;
}
.sec-nav a:hover { color:var(--navy); }
.sec-nav a.on { font-weight:700; border-bottom-color:currentColor; }
.sec-nav a.c1 { color:var(--c1); }
.sec-nav a.c2 { color:var(--c2); }
.sec-nav a.c3 { color:var(--c3); }
.sec-nav a.c4 { color:var(--c4); }
.nav-dot { width:8px; height:8px; border-radius:50%; flex-shrink:0; }

/* ── Service section base ────────────── */
.service-section { padding:120px 0; }
.service-section.alt { background:var(--bg); }

.service-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:start;
}
.service-grid.reverse { direction:rtl; }
.service-grid.reverse > * { direction:ltr; }

/* Service header */
.svc-num {
  font-family:'Outfit',sans-serif; font-size:.68rem; font-weight:700;
  letter-spacing:.2em; opacity:.45; margin-bottom:8px;
}
.svc-tag {
  display:inline-block; font-size:.72rem; font-weight:700;
  padding:4px 14px; border-radius:4px; letter-spacing:.08em; margin-bottom:24px;
}
.svc-ttl {
  font-family:'Zen Kaku Gothic New',sans-serif;
  font-size:clamp(2rem,4vw,3.2rem);
  font-weight:900; color:var(--navy); line-height:1.15; letter-spacing:-.02em;
  margin-bottom:24px;
}
.svc-lead { font-size:1rem; color:var(--sub); line-height:2; margin-bottom:36px; }

/* Strength list */
.strength-list { list-style:none; margin-bottom:40px; }
.strength-list li {
  display:flex; align-items:flex-start; gap:14px;
  padding:14px 0; border-bottom:1px solid var(--border);
  font-size:.92rem; color:var(--body); line-height:1.7;
}
.strength-list li:first-child { border-top:1px solid var(--border); }
.str-icon {
  width:28px; height:28px; border-radius:6px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  font-size:.75rem; font-weight:700; color:#fff; margin-top:2px;
}

/* Tech stack pills */
.tech-stack { display:flex; flex-wrap:wrap; gap:8px; }
.tech-pill {
  background:var(--bg); color:var(--sub); border:1px solid var(--border);
  font-size:.75rem; font-weight:500; padding:5px 12px; border-radius:99px;
  font-family:'Outfit',sans-serif; letter-spacing:.04em;
}

/* Visual block */
.svc-visual {
  position:relative;
}
.svc-visual-main {
  border-radius:16px; overflow:hidden;
  aspect-ratio:4/3;
  display:flex; align-items:center; justify-content:center;
  font-size:4rem; position:relative;
}
.svc-visual-main::after {
  content:''; position:absolute; inset:0;
  background:linear-gradient(to top, rgba(0,0,0,.4) 0%, transparent 50%);
}
.svc-caption {
  position:absolute; bottom:20px; left:20px;
  font-size:.78rem; color:#fff; font-weight:600;
  z-index:1; letter-spacing:.04em;
}
.svc-float {
  position:absolute; bottom:-28px; right:-20px;
  background:#fff; border-radius:14px; padding:20px 28px;
  box-shadow:0 12px 40px rgba(0,0,0,.12); min-width:180px;
}
.svc-float .label { font-size:.7rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; margin-bottom:6px; }
.svc-float .val { font-family:'Outfit',sans-serif; font-size:2rem; font-weight:900; color:var(--navy); line-height:1; }
.svc-float .unit { font-size:.8rem; color:var(--sub); }

/* Use cases */
.usecase-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:48px; }
.usecase-card {
  background:#fff; border:1px solid var(--border); border-radius:10px; padding:20px;
  transition:transform .25s, box-shadow .25s;
}
.usecase-card:hover { transform:translateY(-4px); box-shadow:0 10px 32px rgba(0,0,0,.07); }
.usecase-card h4 { font-size:.9rem; font-weight:700; color:var(--navy); margin-bottom:6px; }
.usecase-card p { font-size:.8rem; color:var(--sub); line-height:1.7; }
.usecase-num { font-family:'Outfit',sans-serif; font-size:.68rem; font-weight:700; letter-spacing:.1em; margin-bottom:10px; }

/* Process flow */
.process-flow {
  display:grid; grid-template-columns:repeat(5,1fr); gap:0;
  margin-top:48px; position:relative;
  background:#fff; border:1px solid var(--border); border-radius:12px; overflow:hidden;
}
.process-step {
  padding:28px 20px; text-align:center;
  border-right:1px solid var(--border); position:relative;
}
.process-step:last-child { border-right:none; }
.process-step::after {
  content:'→'; position:absolute; right:-14px; top:50%; transform:translateY(-50%);
  font-size:1.2rem; color:var(--border); z-index:1;
}
.process-step:last-child::after { display:none; }
.p-num { font-family:'Outfit',sans-serif; font-size:.65rem; font-weight:700; letter-spacing:.15em; margin-bottom:10px; }
.p-step-ttl { font-size:.88rem; font-weight:700; color:var(--navy); margin-bottom:6px; }
.p-step-desc { font-size:.75rem; color:var(--sub); line-height:1.6; }

/* CTA card */
.svc-cta {
  margin-top:56px; padding:36px 40px;
  border-radius:12px; display:flex; align-items:center; justify-content:space-between; gap:32px;
}
.svc-cta-text h4 { font-family:'Zen Kaku Gothic New',sans-serif; font-size:1.15rem; font-weight:700; color:#fff; margin-bottom:6px; }
.svc-cta-text p { font-size:.88rem; color:rgba(255,255,255,.65); }
.btn-white-sm {
  display:inline-flex; align-items:center; gap:8px;
  background:#fff; font-weight:700; font-size:.85rem;
  padding:12px 28px; border-radius:4px; text-decoration:none; white-space:nowrap;
  transition:all .2s; box-shadow:0 4px 16px rgba(0,0,0,.12);
}
.btn-white-sm:hover { transform:translateY(-2px); box-shadow:0 8px 24px rgba(0,0,0,.18); }

/* bg colors per service */
.bg1 { background:linear-gradient(160deg,#fff1f1,#fde8e8); }
.bg2 { background:linear-gradient(160deg,#eff6ff,#dbeafe); }
.bg3 { background:linear-gradient(160deg,#f1f5f9,#e2e8f0); }
.bg4 { background:linear-gradient(160deg,#fffbeb,#fef3c7); }

/* ── CTA banner ──────────────────────── */
.cta-banner {
  background:var(--navy); padding:96px 0; position:relative; overflow:hidden;
}
.cta-banner::before {
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse 60% 100% at 100% 50%, rgba(230,0,18,.2) 0%,transparent 60%),
             radial-gradient(ellipse 40% 80% at 0% 50%, rgba(0,102,204,.15) 0%,transparent 55%);
}
.cta-inner { position:relative; z-index:1; text-align:center; }
.cta-inner h2 { font-family:'Zen Kaku Gothic New',sans-serif; font-size:clamp(1.8rem,4vw,3rem); font-weight:900; color:#fff; margin-bottom:16px; }
.cta-inner p { font-size:1rem; color:rgba(255,255,255,.65); margin-bottom:48px; }
.cta-btns { display:flex; gap:20px; justify-content:center; flex-wrap:wrap; }
.btn-red { display:inline-flex; align-items:center; gap:10px; background:var(--red); color:#fff; font-weight:700; font-size:.95rem; padding:18px 44px; border-radius:4px; text-decoration:none; transition:all .25s; box-shadow:0 4px 20px rgba(230,0,18,.3); }
.btn-red:hover { background:#c0000f; transform:translateY(-2px); }
.btn-border { display:inline-flex; align-items:center; gap:10px; border:2px solid rgba(255,255,255,.35); color:#fff; font-weight:600; font-size:.9rem; padding:16px 36px; border-radius:4px; text-decoration:none; transition:all .25s; }
.btn-border:hover { border-color:#fff; background:rgba(255,255,255,.08); }

/* ── Footer ──────────────────────────── */
footer { background:var(--navy); padding:64px 0 0; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr 1fr; gap:48px; padding-bottom:48px; border-bottom:1px solid rgba(255,255,255,.07); }
.footer-logo { font-family:'Outfit',sans-serif; font-size:1.4rem; font-weight:900; color:#fff; display:block; margin-bottom:14px; text-decoration:none; letter-spacing:.05em; }
.footer-brand p { font-size:.82rem; color:rgba(255,255,255,.38); line-height:1.8; max-width:240px; }
.footer-nav h4 { font-size:.7rem; font-weight:700; letter-spacing:.15em; color:rgba(255,255,255,.4); text-transform:uppercase; margin-bottom:14px; font-family:'Outfit',sans-serif; }
.footer-nav ul { list-style:none; }
.footer-nav li { margin-bottom:9px; }
.footer-nav a { font-size:.82rem; color:rgba(255,255,255,.46); text-decoration:none; transition:color .2s; }
.footer-nav a:hover { color:#fff; }
.footer-btm { padding:20px 0; display:flex; justify-content:space-between; align-items:center; }
.footer-btm p { font-size:.74rem; color:rgba(255,255,255,.24); }
.footer-btm-links { display:flex; gap:24px; }
.footer-btm-links a { font-size:.74rem; color:rgba(255,255,255,.28); text-decoration:none; }

/* ---- モバイル対応（追加） ---- */
@media (max-width: 768px) {
  .hero { min-height: auto; }
  .hero-inner { padding: 90px 20px 50px; }
  .hero-slash, .hero-index { display: none; }
  .service-grid, .usecase-grid, .process-flow, .cta-banner { grid-template-columns: 1fr !important; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .wrap { padding-left: 20px; padding-right: 20px; }
}