*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --blue:#3195e0;
  --blue-light:#e8f4fd;
  --blue-dark:#1a6bb5;
  --gray:#f7f9fb;
  --text:#222;
  --text-sub:#555;
}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:'Noto Sans JP',sans-serif;
  color:var(--text);
  line-height:1.8;
  background:#fff;
  overflow-x:hidden;
}

/* ── Header ── */
header{
  position:fixed;top:0;left:0;width:100%;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  z-index:100;
  border-bottom:1px solid rgba(0,0,0,.06);
}
.header-inner{
  max-width:1000px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 24px;
}
.header-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.header-logo img{width:36px;height:36px;border-radius:50%}
.header-logo span{font-weight:700;font-size:.95rem;letter-spacing:.02em}
nav a{
  text-decoration:none;color:var(--text-sub);font-size:.85rem;font-weight:700;
  margin-left:28px;transition:color .2s;
}
nav a:hover{color:var(--blue)}

/* ── Hero ── */
.hero{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:120px 24px 80px;
  background:linear-gradient(160deg,#fff 40%,var(--blue-light) 100%);
  position:relative;
}
.hero::after{
  content:'';position:absolute;bottom:0;left:0;width:100%;height:6px;
  background:linear-gradient(90deg,var(--blue),#56c8f5);
}
.hero-logo{width:120px;height:120px;margin:0 auto 28px;border-radius:50%;
  box-shadow:0 8px 30px rgba(49,149,224,.2)}
.hero-tagline{
  font-size:1.1rem;color:var(--blue-dark);font-weight:700;letter-spacing:.15em;
  margin-bottom:12px;
}
.hero h1{font-size:2.4rem;font-weight:900;letter-spacing:.04em;margin-bottom:24px}
.hero-desc{
  max-width:560px;margin:0 auto;font-size:1rem;color:var(--text-sub);line-height:2;
}

/* ── Section common ── */
section{padding:80px 24px}
.section-inner{max-width:800px;margin:0 auto}
.section-label{
  font-size:.75rem;font-weight:700;color:var(--blue);letter-spacing:.2em;
  text-transform:uppercase;margin-bottom:8px;
}
.section-title{font-size:1.6rem;font-weight:900;margin-bottom:40px}
.section-title::after{
  content:'';display:block;width:40px;height:3px;background:var(--blue);
  margin-top:12px;border-radius:2px;
}

/* ── About ── */
.about{background:var(--gray)}
.about-text{font-size:1.05rem;line-height:2.2;color:var(--text-sub)}
.about-text strong{color:var(--text);font-weight:700}

/* ── Values ── */
.values-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;
  margin-top:40px;
}
.value-card{
  background:#fff;border-radius:12px;padding:32px 24px;
  box-shadow:0 2px 16px rgba(0,0,0,.04);
  border-top:3px solid var(--blue);
  transition:transform .2s,box-shadow .2s;
}
.value-card:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(49,149,224,.1)}
.value-icon{font-size:1.8rem;margin-bottom:12px}
.value-card h3{font-size:1rem;font-weight:700;margin-bottom:8px}
.value-card p{font-size:.88rem;color:var(--text-sub);line-height:1.8}

/* ── Company ── */
.company-table{width:100%;border-collapse:collapse}
.company-table tr{border-bottom:1px solid #eee}
.company-table th{
  text-align:left;padding:16px 16px 16px 0;font-size:.88rem;font-weight:700;
  color:var(--blue-dark);width:140px;vertical-align:top;white-space:nowrap;
}
.company-table td{padding:16px 0;font-size:.95rem;color:var(--text-sub)}

/* ── Contact ── */
.contact{background:var(--gray)}
.contact-desc{color:var(--text-sub);margin-bottom:32px;font-size:.95rem}
.contact-methods{
  display:flex;flex-wrap:wrap;justify-content:center;gap:20px;
}
.contact-card{
  background:#fff;border-radius:12px;padding:28px 32px;
  box-shadow:0 2px 12px rgba(0,0,0,.04);
  text-align:center;min-width:220px;flex:1;max-width:320px;
}
.contact-card .icon{
  width:48px;height:48px;border-radius:50%;background:var(--blue-light);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px;
}
.contact-card .icon svg{width:22px;height:22px;fill:var(--blue)}
.contact-card h3{font-size:.85rem;color:var(--text-sub);font-weight:700;margin-bottom:6px}
.contact-card a,.contact-card p{
  font-size:1rem;color:var(--text);text-decoration:none;font-weight:700;
}
.contact-card a:hover{color:var(--blue)}
.contact-card .note{font-size:.78rem;color:#999;margin-top:4px}

/* ── Footer ── */
footer{
  text-align:center;padding:32px 24px;
  background:var(--text);color:rgba(255,255,255,.5);font-size:.78rem;
}

/* ── Responsive ── */
@media(max-width:600px){
  .hero h1{font-size:1.6rem}
  .hero-logo{width:90px;height:90px}
  .section-title{font-size:1.3rem}
  nav{display:none}
  .company-table th{width:100px;font-size:.82rem}
  .company-table td{font-size:.88rem}
  .contact-methods{flex-direction:column;align-items:center}
}