@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Noto+Sans+JP:wght@400;500;700&family=Work+Sans:wght@400;500;600;700&display=swap');

:root {
  --color-primary: #5c1d28;
  --color-primary-hover: #43131c;
  --color-accent: #8c2d40;
  --color-accent-light: #d9777f;
  --color-bg-main: #fdfaf9;
  --color-bg-alt: #f5ecea;
  --color-surface: #ffffff;
  --color-text-main: #2b181b;
  --color-text-muted: #634e52;
  --color-border: #e8d8d5;
  --font-heading: 'Instrument Serif', 'Noto Sans JP', serif;
  --font-body: 'Work Sans', 'Noto Sans JP', sans-serif;
  --radius-sm: 4px;
  --radius-md: 4px;
  --border-hairline: 1px solid var(--color-border);
  --shadow-none: none;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-main);
  color: var(--color-text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Accessibility Focus */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(253, 250, 249, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: var(--border-hairline);
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo img {
  height: 42px;
  width: auto;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-cta {
  display: inline-block;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn-cta:hover {
  background-color: var(--color-primary-hover);
}

.nav-toggle {
  background: none;
  border: var(--border-hairline);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(43, 24, 27, 0.95);
  z-index: 200;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.nav-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.nav-overlay a {
  color: #ffffff;
  font-size: 1.3rem;
  text-decoration: none;
  font-family: var(--font-heading);
}

.nav-overlay-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 2rem;
  cursor: pointer;
}

/* Horizontal Band Layout System */
.band {
  width: 100%;
  padding: 4rem 1.5rem;
  border-bottom: var(--border-hairline);
}

.band-light {
  background-color: var(--color-bg-main);
}

.band-alt {
  background-color: var(--color-bg-alt);
}

.band-dark {
  background-color: var(--color-primary);
  color: #ffffff;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
}

/* Section Header Convention */
.section-num {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
  display: block;
}

.band-dark .section-num {
  color: var(--color-accent-light);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-intro {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 760px;
  margin-bottom: 2.5rem;
}

.band-dark .section-intro {
  color: #e8d8d5;
}

/* Hero Section (Horizontal Band System - AXIS 1 = 8) */
.hero-band {
  padding: 5rem 1.5rem;
  background-color: var(--color-primary);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.hero-svg-bg {
  position: absolute;
  right: -50px;
  top: -50px;
  opacity: 0.12;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.hero-tag {
  display: inline-block;
  background-color: rgba(217, 119, 127, 0.2);
  border: 1px solid var(--color-accent-light);
  color: #ffffff;
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #f5ecea;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.hero-btn {
  background-color: var(--color-accent-light);
  color: var(--color-primary);
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-sm);
  display: inline-block;
}

.hero-btn:hover {
  background-color: #ffffff;
}

.hero-trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(232, 216, 213, 0.2);
  font-size: 0.85rem;
  color: #e8d8d5;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Services Grid */
.grid-2col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background-color: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.card-icon {
  width: 32px;
  height: 32px;
  stroke: var(--color-accent);
  margin-bottom: 0.75rem;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.card-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* Stepped List (CRED1) */
.stepped-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.step-item {
  display: flex;
  gap: 1.25rem;
  background-color: var(--color-surface);
  border: var(--border-hairline);
  padding: 1.25rem;
  border-radius: var(--radius-md);
}

.step-num {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.step-body h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 0.35rem;
}

.step-body p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Table Style (CRED3 - Included vs Out of Scope) */
.scope-table-wrap {
  overflow-x: auto;
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
}

.scope-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.scope-table th {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 0.85rem 1rem;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
}

.scope-table td {
  padding: 0.85rem 1rem;
  border-bottom: var(--border-hairline);
  vertical-align: top;
}

.scope-table tr:last-child td {
  border-bottom: none;
}

.col-inc {
  width: 50%;
  background-color: rgba(245, 236, 234, 0.3);
}

.col-exc {
  width: 50%;
}

/* Form Presentation (AXIS 12 = 1: Two column grid for names) */
.form-card {
  background-color: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 2rem;
  position: relative;
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-text-main);
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font-body);
  background-color: var(--color-bg-main);
}

.form-control:focus {
  outline: 2px solid var(--color-accent);
  background-color: #ffffff;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.checkbox-group input[type="checkbox"] {
  margin-top: 0.25rem;
}

.checkbox-group label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.checkbox-group a {
  color: var(--color-accent);
  text-decoration: underline;
}

.field-error {
  color: #b30000;
  font-size: 0.8rem;
  margin-top: 0.25rem;
  display: none;
}

.form-submit-btn {
  width: 100%;
  padding: 0.85rem;
  font-size: 1rem;
  font-weight: 700;
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.form-submit-btn:hover {
  background-color: var(--color-primary-hover);
}

.form-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Success & Error State */
.form-panel {
  display: none;
  padding: 2rem;
  text-align: center;
  border-radius: var(--radius-md);
}

.form-panel.active {
  display: block;
}

.success-panel {
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.success-svg {
  width: 48px;
  height: 48px;
  stroke: #16a34a;
  margin-bottom: 1rem;
}

.success-panel h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.success-panel p {
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

/* FAQ Accordion / List */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.faq-q {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.faq-a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Footer */
.site-footer {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 3rem 1.5rem 1.5rem;
  font-size: 0.85rem;
  border-top: var(--border-hairline);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(232, 216, 213, 0.2);
}

.footer-brand {
  max-width: 320px;
}

.footer-brand img {
  height: 36px;
  margin-bottom: 0.75rem;
  filter: brightness(0) invert(1);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
}

.footer-links a {
  color: #f5ecea;
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: #e8d8d5;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #2b181b;
  color: #ffffff;
  padding: 1rem 1.5rem;
  z-index: 300;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  border-top: 2px solid var(--color-accent-light);
}

.cookie-banner a {
  color: var(--color-accent-light);
}

.cookie-btn-group {
  display: flex;
  gap: 0.5rem;
}

.cookie-btn {
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
}

.cookie-btn-accept {
  background-color: var(--color-accent-light);
  color: var(--color-primary);
}

.cookie-btn-decline {
  background-color: transparent;
  color: #ffffff;
  border: 1px solid #ffffff;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title { font-size: 2rem; }
  .form-row-2col { grid-template-columns: 1fr; }
  .col-inc, .col-exc { width: 100%; display: block; }
  .scope-table tr { display: flex; flex-direction: column; border-bottom: var(--border-hairline); }
  .scope-table td { border-bottom: none; }
}

@media prefers-reduced-motion: reduce {
  * { transition: none !important; animation: none !important; }
}