:root {
  --bg: #f7f9fc;
  --base: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --line: #dbe4ee;
  --primary: #1d4ed8;
  --primary-dark: #163ea7;
  --accent: #f59e0b;
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(219, 228, 238, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #60a5fa);
  color: #fff;
}

.site-nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.site-nav a {
  color: var(--muted);
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--primary);
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  font-size: 1.6rem;
}

.hero {
  padding: 88px 0 48px;
  background:
    radial-gradient(circle at top right, rgba(96, 165, 250, 0.2), transparent 30%),
    linear-gradient(180deg, #ffffff, #f7f9fc 70%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: center;
}

.eyebrow,
.section-title {
  margin: 0 0 10px;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
}

.hero h1,
.section h2 {
  margin: 0 0 18px;
  line-height: 1.25;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--line);
}

.btn-secondary:hover {
  border-color: var(--primary);
}

.hero-panel,
.card,
.service-card,
.feature-card,
.contact-form,
.contact-box,
.info-strip {
  background: var(--base);
  border: 1px solid rgba(219, 228, 238, 0.8);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 28px;
}

.hero-panel h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

.hero-panel ul {
  margin: 0;
  padding-left: 1.2rem;
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255,255,255,0.75), rgba(241,245,249,0.9));
}

.info-strip {
  padding: 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.info-label {
  margin: 0 0 6px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.card {
  padding: 24px;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  border-bottom: 1px solid var(--line);
  padding: 14px 10px;
  text-align: left;
  vertical-align: top;
}

.company-table th {
  width: 30%;
  color: var(--muted);
  font-weight: 700;
}

.grid {
  display: grid;
  gap: 22px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.service-card,
.feature-card {
  padding: 28px;
}

.icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.feature-number {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--accent);
}

.contact-section {
  padding-bottom: 88px;
}

.contact-box {
  margin-top: 22px;
  padding: 20px 22px;
}

.contact-form {
  padding: 24px;
}

.contact-form label {
  display: block;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 14px;
  font: inherit;
  background: #fff;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(29, 78, 216, 0.15);
  border-color: var(--primary);
}

.form-btn {
  border: 0;
  cursor: pointer;
  width: 100%;
}

.form-note {
  margin: 12px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.site-footer {
  padding: 22px 0;
  border-top: 1px solid rgba(219, 228, 238, 0.8);
  background: #fff;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

@media (max-width: 920px) {
  .hero-inner,
  .two-column,
  .grid-3,
  .info-strip {
    grid-template-columns: 1fr;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    border-bottom: 1px solid var(--line);
    display: none;
    flex-direction: column;
    padding: 18px 16px 22px;
  }

  .site-nav.open {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }
}

@media (max-width: 560px) {
  .hero {
    padding-top: 64px;
  }

  .header-inner {
    min-height: 68px;
  }

  .logo-text {
    font-size: 0.95rem;
  }

  .section {
    padding: 56px 0;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}


.form-status {display:none; margin-bottom:16px; padding:14px 16px; border-radius:12px; font-weight:700; line-height:1.7;}
.form-status.show{display:block;}
.form-status.success{background:#ecfdf3; color:#166534; border:1px solid #bbf7d0;}
.form-status.error{background:#fef2f2; color:#991b1b; border:1px solid #fecaca;}
.contact-form input.error, .contact-form textarea.error{border-color:#dc2626; background:#fff7f7;}
.form-note code{background:#f3f4f6; padding:2px 6px; border-radius:6px;}


.btn-line {
  background: #06c755;
  color: #fff;
}

.btn-line:hover {
  filter: brightness(0.95);
  transform: translateY(-1px);
}

.contact-card {
  display: flex;
}

.line-card {
  width: 100%;
  background: linear-gradient(180deg, #ffffff, #f8fff9);
  border: 1px solid rgba(219, 228, 238, 0.8);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}

.line-label {
  margin: 0 0 10px;
  color: #06c755;
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
}

.line-card h3 {
  margin: 0 0 14px;
  font-size: 1.5rem;
}

.line-id-box {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  background: #ecfdf3;
  color: #047857;
  font-weight: 700;
}

.line-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.btn-large {
  min-width: 220px;
}

.line-note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}