/* 帳場 / The Ledger — JaguarCornerSpice */
:root {
  --washi: #FBFAF6;
  --usuzumi: #EAE7DF;
  --sumi: #14161A;
  --indigo: #1F4FD8;
  --persimmon: #F0713C;
  --warm-grey: #8A857A;
  --white: #FFFFFF;
  --font-heading: 'Shippori Mincho B1', 'Hiragino Mincho ProN', serif;
  --font-body: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
  --max-width: 1120px;
  --radius: 4px;
  --shadow: 0 2px 12px rgba(20, 22, 26, 0.06);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--sumi);
  background: var(--washi);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--indigo); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--persimmon); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }

/* Surfaces */
.surface-washi { background: var(--washi); }
.surface-sumi { background: var(--sumi); color: var(--washi); }
.surface-usuzumi { background: var(--usuzumi); }
.surface-ai {
  background: linear-gradient(135deg, rgba(31, 79, 216, 0.04) 0%, rgba(240, 113, 60, 0.04) 100%);
  border: 1px solid var(--usuzumi);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.4;
  color: var(--sumi);
}
.surface-sumi h1, .surface-sumi h2, .surface-sumi h3, .surface-sumi h4 { color: var(--washi); }

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.375rem, 3vw, 1.875rem); margin-bottom: 1rem; }
h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 0.5rem; }

.lead { font-size: 1.0625rem; color: var(--warm-grey); }

.mono, .price, .stat-num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.vertical-label {
  writing-mode: vertical-rl;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.3em;
  color: var(--warm-grey);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 250, 246, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--usuzumi);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}
.logo-main {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--sumi);
  letter-spacing: 0.02em;
}
.logo-sub {
  font-size: 0.6875rem;
  color: var(--warm-grey);
  letter-spacing: 0.05em;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--usuzumi);
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--sumi);
  border-radius: var(--radius);
}

.main-nav ul {
  display: flex;
  gap: 1.75rem;
  list-style: none;
}
.main-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--sumi);
  position: relative;
}
.main-nav a:hover { color: var(--indigo); }
.main-nav a.active { color: var(--indigo); }
.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--persimmon);
}

/* Hero THE COUNTER */
.hero-counter {
  position: relative;
  background: var(--washi);
  border-bottom: 1px solid var(--usuzumi);
  overflow: hidden;
}

.hero-counter::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--usuzumi) 1px, transparent 1px),
    linear-gradient(90deg, var(--usuzumi) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.5;
  pointer-events: none;
}

.hero-counter-inner {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  align-items: center;
}

.hero-label-col { padding-top: 1rem; }

.hero-content { max-width: 640px; }

.hero-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--indigo);
  background: rgba(31, 79, 216, 0.08);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.hero-counter h1 { margin-bottom: 1.25rem; }

.hero-slogan {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--warm-grey);
  border-left: 3px solid var(--persimmon);
  padding-left: 1rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }

.hero-visual {
  position: relative;
  margin-top: 2rem;
  border: 1px solid var(--usuzumi);
  background: var(--white);
  box-shadow: var(--shadow);
}
.hero-visual img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.hero-visual-caption {
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  color: var(--warm-grey);
  border-top: 1px solid var(--usuzumi);
  font-family: var(--font-mono);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-primary { background: var(--indigo); color: var(--white); }
.btn-primary:hover { background: #1840b0; color: var(--white); }
.btn-secondary { background: transparent; color: var(--sumi); border: 1px solid var(--usuzumi); }
.btn-secondary:hover { border-color: var(--indigo); color: var(--indigo); }
.btn-persimmon { background: var(--persimmon); color: var(--white); }
.btn-persimmon:hover { background: #d9622f; color: var(--white); }

/* Focus band */
.focus-band {
  padding: 3rem 0;
  border-bottom: 1px solid var(--usuzumi);
}
.focus-band-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.focus-item {
  text-align: center;
  padding: 1.5rem;
}
.focus-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 500;
  color: var(--indigo);
  margin-bottom: 0.5rem;
}
.focus-item h3 { font-size: 1rem; }
.focus-item p { font-size: 0.875rem; color: var(--warm-grey); margin-top: 0.5rem; }

/* Sections */
.section { padding: 4rem 0; }
.section-header { margin-bottom: 2.5rem; max-width: 640px; }
.section-header .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--persimmon);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

/* Process steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}
.process-step {
  position: relative;
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--usuzumi);
  border-radius: var(--radius);
}
.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--indigo);
  display: block;
  margin-bottom: 0.75rem;
}
.process-step h3 { font-size: 0.9375rem; }
.process-step p { font-size: 0.8125rem; color: var(--warm-grey); margin-top: 0.5rem; }

/* Service tiles 2x3 */
.service-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.service-tile {
  padding: 1.75rem;
  background: var(--white);
  border: 1px solid var(--usuzumi);
  border-radius: var(--radius);
  transition: box-shadow 0.2s, border-color 0.2s;
}
.service-tile:hover {
  box-shadow: var(--shadow);
  border-color: var(--indigo);
}
.service-tile-icon {
  width: 40px;
  height: 40px;
  background: rgba(31, 79, 216, 0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--indigo);
  margin-bottom: 1rem;
}
.service-tile p { font-size: 0.875rem; color: var(--warm-grey); margin-top: 0.5rem; }

/* Cards & grids */
.card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.card {
  background: var(--white);
  border: 1px solid var(--usuzumi);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-body { padding: 1.5rem; }
.card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }

/* Content image blocks */
.img-block {
  border-radius: var(--radius);
  overflow: hidden;
}
.img-block img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}
.img-block--banner img {
  aspect-ratio: 21/9;
  max-height: 360px;
  object-fit: cover;
  object-position: center;
}
.img-block--medium {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.img-block--medium img {
  aspect-ratio: 16/10;
  max-height: 405px;
  object-fit: cover;
}
.case-card > img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

/* Pricing table */
.price-table { width: 100%; border-collapse: collapse; margin: 2rem 0; }
.price-table th, .price-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--usuzumi);
  font-size: 0.9375rem;
}
.price-table th {
  font-family: var(--font-heading);
  font-weight: 600;
  background: var(--usuzumi);
}
.price-table .price { color: var(--indigo); font-size: 1.0625rem; }

/* FAQ */
.faq-list { max-width: 800px; }
.faq-item {
  border-bottom: 1px solid var(--usuzumi);
  padding: 1.5rem 0;
}
.faq-q {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.75rem;
  display: flex;
  gap: 0.75rem;
}
.faq-q::before {
  content: 'Q';
  font-family: var(--font-mono);
  color: var(--indigo);
  flex-shrink: 0;
}
.faq-a { font-size: 0.9375rem; color: var(--warm-grey); padding-left: 2rem; }

/* Forms */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  border: 1px solid var(--usuzumi);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--sumi);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(31, 79, 216, 0.1);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group input.error,
.form-group textarea.error,
.form-group select.error { border-color: var(--persimmon); }
.form-note { font-size: 0.8125rem; color: var(--warm-grey); margin-top: 0.5rem; }

/* Contact layout */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}
.contact-info-block { padding: 2rem; }
.contact-info-block dl { margin-top: 1.5rem; }
.contact-info-block dt {
  font-size: 0.75rem;
  color: var(--warm-grey);
  margin-top: 1rem;
}
.contact-info-block dd {
  font-size: 0.9375rem;
  margin-top: 0.25rem;
}
.contact-info-block dd a { color: var(--sumi); }
.contact-info-block dd a:hover { color: var(--indigo); }

/* Work cases */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.case-card {
  background: var(--white);
  border: 1px solid var(--usuzumi);
  border-radius: var(--radius);
  overflow: hidden;
}
.case-meta {
  padding: 0.75rem 1.25rem;
  background: var(--usuzumi);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  display: flex;
  justify-content: space-between;
}
.case-body { padding: 1.5rem; }
.case-body h3 { margin-bottom: 0.75rem; }
.case-body p { font-size: 0.875rem; color: var(--warm-grey); }
.case-result {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--usuzumi);
  font-size: 0.8125rem;
}
.case-result strong { color: var(--indigo); }

/* Legal prose */
.legal-content { max-width: 800px; }
.legal-content h2 { margin-top: 2.5rem; margin-bottom: 1rem; font-size: 1.25rem; }
.legal-content h3 { margin-top: 1.5rem; margin-bottom: 0.75rem; font-size: 1.0625rem; }
.legal-content p, .legal-content li { font-size: 0.9375rem; color: var(--warm-grey); margin-bottom: 1rem; }
.legal-content ul, .legal-content ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.legal-content ul li, .legal-content ol li { margin-bottom: 0.5rem; }

/* Page hero (inner pages) */
.page-hero {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--usuzumi);
  background: var(--white);
}
.page-hero h1 { margin-bottom: 0.75rem; }
.breadcrumb {
  font-size: 0.8125rem;
  color: var(--warm-grey);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--warm-grey); }
.breadcrumb a:hover { color: var(--indigo); }

/* 404 */
.error-page {
  text-align: center;
  padding: 6rem 1.5rem;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.error-code {
  font-family: var(--font-mono);
  font-size: 4rem;
  color: var(--usuzumi);
  margin-bottom: 1rem;
}
.error-page h1 { margin-bottom: 1rem; }
.error-page p { color: var(--warm-grey); max-width: 480px; margin-bottom: 2rem; }

/* Footer */
.site-footer {
  background: var(--sumi);
  color: var(--washi);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-brand .logo-main { color: var(--washi); }
.footer-brand .logo-sub { color: var(--warm-grey); }
.footer-brand p { font-size: 0.8125rem; color: var(--warm-grey); margin-top: 1rem; line-height: 1.7; }
.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--washi);
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.5rem; }
.footer-col a { color: var(--warm-grey); font-size: 0.8125rem; }
.footer-col a:hover { color: var(--washi); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--warm-grey);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--sumi);
  color: var(--washi);
  padding: 1.25rem 1.5rem;
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cookie-inner p {
  font-size: 0.8125rem;
  flex: 1;
  min-width: 280px;
  color: var(--washi);
}
.cookie-inner a { color: var(--persimmon); }
.cookie-inner a:hover { color: var(--white); }
.cookie-actions { display: flex; gap: 0.75rem; flex-shrink: 0; }
.cookie-banner .btn-secondary {
  color: var(--washi);
  border-color: rgba(255, 255, 255, 0.35);
}
.cookie-banner .btn-secondary:hover {
  color: var(--washi);
  border-color: var(--washi);
  background: rgba(255, 255, 255, 0.08);
}

/* Thanks page */
.thanks-box {
  text-align: center;
  padding: 4rem 2rem;
  max-width: 560px;
  margin: 4rem auto;
  background: var(--white);
  border: 1px solid var(--usuzumi);
  border-radius: var(--radius);
}

/* Ledger decoration */
.ledger-line {
  height: 1px;
  background: var(--usuzumi);
  margin: 2rem 0;
}

.tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  padding: 0.2rem 0.5rem;
  background: var(--usuzumi);
  border-radius: 2px;
  color: var(--warm-grey);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-counter-inner { grid-template-columns: 1fr; }
  .hero-label-col { display: none; }
  .focus-band-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .service-tiles { grid-template-columns: repeat(2, 1fr); }
  .split-section, .card-grid, .contact-grid, .case-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--washi);
    border-bottom: 1px solid var(--usuzumi);
    padding: 1rem 1.5rem;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0.75rem; }
  .process-grid { grid-template-columns: 1fr; }
  .service-tiles { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .img-block--banner img { max-height: 240px; }
  .cookie-inner { flex-direction: column; align-items: stretch; }
  .cookie-actions { flex-direction: column; }
  .cookie-actions .btn { width: 100%; }
}