/* Material 3 — monochrome (aligned with app style.css) */
:root {
  --md-sys-color-surface: #ffffff;
  --md-sys-color-surface-container: #f3f3f3;
  --md-sys-color-on-surface: #1a1a1a;
  --md-sys-color-on-surface-variant: #5c5c5c;
  --md-sys-color-outline-variant: #c6c6c6;
  --md-sys-color-primary: #1a1a1a;
  --md-sys-state-hover: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
  --md-sys-shape-corner-large: 0;
  --md-sys-shape-corner-extra-large: 0;

  --bg: var(--md-sys-color-surface);
  --surface: var(--md-sys-color-surface);
  --ink: var(--md-sys-color-on-surface);
  --muted: var(--md-sys-color-on-surface-variant);
  --line: var(--md-sys-color-outline-variant);
  --accent: var(--md-sys-color-primary);
  --radius: var(--md-sys-shape-corner-large);
  --shadow: none;

  font-family: "Hiragino Sans", "Noto Sans JP", "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--md-sys-color-surface);
}

.legal-wrap {
  width: min(640px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.75rem 0 1rem;
}

.legal-panel {
  background: var(--surface);
  border: none;
  border-radius: 0;
  padding: 1.5rem 1.25rem 1.75rem;
  box-shadow: none;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0 0 1.25rem;
  list-style: none;
  padding: 0;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 0.35rem;
  color: var(--line);
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

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

.breadcrumb [aria-current="page"] {
  color: var(--ink);
}

.legal-panel h1 {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
}

.legal-panel h2 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.05rem;
}

.legal-panel p,
.legal-panel li {
  color: var(--ink);
  font-size: 0.95rem;
}

.legal-panel a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.legal-updated {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.legal-dl {
  margin: 0;
}

.legal-dl-row {
  display: grid;
  gap: 0.2rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.legal-dl-row:last-child {
  border-bottom: 0;
}

.legal-dl dt {
  font-size: 0.8rem;
  color: var(--muted);
}

.legal-dl dd {
  margin: 0;
}

.legal-list {
  margin: 0.4rem 0 0;
  padding-left: 1.2rem;
}

.legal-related {
  margin: 1.25rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--md-sys-color-outline-variant, #c6c6c6);
  background: var(--md-sys-color-surface, #fff);
  padding: 2rem max(1.25rem, env(safe-area-inset-right, 0px)) 2.5rem max(1.25rem, env(safe-area-inset-left, 0px));
  text-align: left;
}

.site-footer-inner {
  max-width: 56rem;
  margin: 0 auto;
  display: grid;
  gap: 1.25rem;
}

.footer-brand {
  font-weight: 700;
  color: var(--ink, #1a1a1a);
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.footer-brand .brand-period {
  color: var(--ink, #1a1a1a);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
}

.footer-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.82rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-nav a:hover {
  color: var(--ink, #1a1a1a);
}

.footer-meta {
  margin: 0;
  font-size: 0.75rem;
  color: color-mix(in srgb, var(--muted) 90%, transparent);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

/* Site header (same as app top) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--md-sys-color-surface);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  margin: 0;
  padding: 0.7rem max(0.75rem, env(safe-area-inset-right, 0px)) 0.7rem max(0.75rem, env(safe-area-inset-left, 0px));
  min-height: 56px;
  box-sizing: border-box;
}

.site-header-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.site-header-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: block;
}

.site-header-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.site-header-name {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--md-sys-color-on-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-header-tag {
  font-size: 0.72rem;
  line-height: 1.2;
  color: var(--muted);
}

.site-header-menu-btn {
  appearance: none;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--md-sys-color-on-surface);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.site-header-menu-btn:hover {
  background: var(--md-sys-state-hover);
}

.site-header-menu-btn:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}

.site-header-menu-icon,
.site-header-menu-icon::before,
.site-header-menu-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
}

.site-header-menu-icon {
  position: relative;
}

.site-header-menu-icon::before,
.site-header-menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.site-header-menu-icon::before {
  top: -6px;
}

.site-header-menu-icon::after {
  top: 6px;
}

.site-menu {
  position: fixed;
  inset: 0;
  z-index: 80;
  pointer-events: none;
}

.site-menu[hidden] {
  display: none;
}

.site-menu.is-open {
  pointer-events: auto;
}

.site-menu-backdrop {
  appearance: none;
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  cursor: pointer;
  transition: opacity 0.22s ease;
}

.site-menu.is-open .site-menu-backdrop {
  opacity: 1;
}

.site-menu-drawer {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(20rem, 86vw);
  background: var(--md-sys-color-surface);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.22s ease;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}

.site-menu.is-open .site-menu-drawer {
  transform: translateX(0);
}

.site-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 56px;
  padding: 0.5rem 0.85rem 0.5rem 1.15rem;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.site-menu-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
}

.site-menu-close {
  appearance: none;
  width: 40px;
  height: 40px;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--md-sys-color-on-surface);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.site-menu-close:hover {
  background: var(--md-sys-state-hover);
}

.site-menu-close:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}

.site-menu-nav {
  overflow: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.site-menu-list {
  list-style: none;
  margin: 0;
  padding: 0.35rem 0;
}

.site-menu-list a {
  display: block;
  padding: 0.95rem 1.15rem;
  color: var(--md-sys-color-on-surface);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-menu-list a:hover {
  background: var(--md-sys-state-hover);
}

html.is-site-menu-open {
  overflow: hidden;
}