/* IMW — Privacy Policy (LP-aligned) */

:root {
  --color-bg: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-surface: #ffffff;
  --color-ink: #0f172a;
  --color-ink-soft: #334155;
  --color-muted: #64748b;
  --color-border: #e2e8f0;
  --color-line: #06c755;
  --color-line-dark: #05a648;
  --color-accent: #2563eb;
  --color-dark: #0f172a;
  --color-dark-soft: #1e293b;
  --font-sans: "Noto Sans JP", "DM Sans", system-ui, sans-serif;
  --font-display: "DM Sans", "Noto Sans JP", sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --max: 72rem;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-ink-soft);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--color-line-dark);
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.15s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn-primary:hover {
  background: var(--color-line-dark);
  border-color: var(--color-line-dark);
  color: #fff;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.2s var(--ease);
}

.site-header.is-scrolled {
  box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  padding: var(--space-sm) 0;
}

.logo {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.logo a {
  color: var(--color-ink);
}

.logo a:hover {
  color: var(--color-line);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-list {
  display: flex;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-ink-soft);
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: var(--color-line);
}

/* Hero */
.hero {
  position: relative;
  padding: calc(5rem + var(--space-xl)) 0 var(--space-xl);
  overflow: hidden;
}

.hero--compact {
  padding: calc(5rem + var(--space-lg)) 0 var(--space-lg);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, var(--color-dark) 0%, var(--color-dark-soft) 50%, #1a3a2a 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black, transparent);
}

.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(6, 199, 85, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  color: #fff;
}

.hero-eyebrow {
  display: inline-block;
  margin: 0 0 var(--space-sm);
  padding: 0.35rem 0.85rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-line);
  background: rgba(6, 199, 85, 0.12);
  border: 1px solid rgba(6, 199, 85, 0.25);
  border-radius: 100px;
}

.hero-title {
  margin: 0 0 var(--space-md);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.hero-lead {
  max-width: 40rem;
  margin: 0 0 var(--space-md);
  font-size: 1.0625rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.8);
}

.hero-meta {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.55);
}

/* Policy body */
.section {
  padding: var(--space-xl) 0;
}

.policy {
  max-width: 48rem;
  margin-inline: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-lg) clamp(1.25rem, 4vw, 2.5rem);
}

.policy-intro {
  margin: 0 0 var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-ink-soft);
  font-size: 1.015rem;
}

.policy-block {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: 5rem;
}

.policy-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.policy-heading {
  position: relative;
  margin: 0 0 var(--space-sm);
  padding-left: 0.85rem;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

.policy-heading::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  bottom: 0.2em;
  width: 3px;
  border-radius: 2px;
  background: var(--color-line);
}

.policy-block p {
  margin: 0 0 var(--space-sm);
}

.policy-block p:last-child {
  margin-bottom: 0;
}

.policy-list {
  margin: 0 0 var(--space-sm);
  padding: 0 0 0 1.25rem;
}

.policy-list li {
  margin-bottom: 0.5rem;
}

.policy-list li:last-child {
  margin-bottom: 0;
}

.policy-list + p {
  margin-top: var(--space-sm);
}

.contact-dl {
  margin: 0 0 var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-alt);
  border-radius: 10px;
  border: 1px solid var(--color-border);
}

.contact-row {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 0.5rem 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.contact-row:first-child {
  padding-top: 0;
}

.contact-row dt {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-muted);
}

.contact-row dd {
  margin: 0;
  color: var(--color-ink);
  font-weight: 500;
}

.contact-mail {
  margin: var(--space-md) 0 !important;
}

.contact-mail a {
  display: inline-flex;
  align-items: center;
  padding: 0.85rem 1.25rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-line);
  border-radius: 8px;
}

.contact-mail a:hover {
  background: var(--color-line-dark);
  color: #fff;
}

.policy-date {
  margin-top: var(--space-md) !important;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
}

/* Footer */
.site-footer {
  padding: var(--space-lg) 0;
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.65);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.footer-logo {
  margin: 0;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
}

.footer-links {
  margin: 0;
}

.footer-links a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: var(--color-line);
}

.footer-copy {
  margin: 0;
  font-size: 0.8125rem;
}

@media (max-width: 767px) {
  .nav-list {
    display: none;
  }

  .section {
    padding: var(--space-lg) 0;
  }

  .policy {
    padding: var(--space-md) 1.15rem;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}