@charset "UTF-8";

:root {
  color-scheme: light;
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f3f5;
  --color-ink: #1a1b1e;
  --color-soft-ink: #626976;
  --color-hairline: #e3e6ea;
  --color-accent: #4c5bcc;
  --color-accent-alt: #7551b9;
  --color-accent-soft: #eef0ff;
  --color-top-blue: #6bb7ec;
  --color-bottom-sand: #f4e3be;
  --color-outer-orange: #f39950;
  --color-warm: #c24a1a;
  --color-cool: #2f67b2;
  --color-success: #287a55;
  --gradient-accent: linear-gradient(135deg, #5368de 0%, #7551b9 100%);
  --gradient-hero:
    radial-gradient(circle at 15% 15%, rgb(107 183 236 / 22%), transparent 34%),
    radial-gradient(circle at 88% 18%, rgb(244 227 190 / 50%), transparent 38%),
    linear-gradient(145deg, #f8f9fa 0%, #f3f4fb 100%);
  --radius-sm: 14px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-card:
    0 1px 2px rgb(16 24 40 / 4%),
    0 14px 34px rgb(30 41 59 / 8%);
  --shadow-soft: 0 24px 70px rgb(76 91 204 / 12%);
  --page-max: 1240px;
  --page-gutter: 32px;
  font-family:
    "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic",
    "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-synthesis: none;
  background: var(--color-bg);
  color: var(--color-ink);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  scroll-padding-top: 112px;
  background: var(--color-bg);
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-size: 16px;
  line-height: 1.85;
  overflow-wrap: anywhere;
  text-rendering: optimizeLegibility;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p,
li {
  text-wrap: pretty;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  transform: translateY(-160%);
  border-radius: 10px;
  background: var(--color-ink);
  color: #ffffff;
  font-weight: 700;
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgb(227 230 234 / 78%);
  background: rgb(248 249 250 / 90%);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  width: min(100% - (var(--page-gutter) * 2), var(--page-max));
  min-height: 76px;
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  gap: 10px;
  border-radius: 12px;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 10px;
}

.back-link {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  gap: 8px;
  padding-inline: 18px;
  border: 1px solid var(--color-hairline);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-soft-ink);
  font-size: 13px;
  font-weight: 800;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.back-link:hover {
  border-color: rgb(76 91 204 / 42%);
  color: var(--color-accent);
  transform: translateY(-1px);
}

main {
  padding-bottom: 120px;
}

.policy-hero {
  position: relative;
  padding: clamp(84px, 10vw, 142px) var(--page-gutter) clamp(74px, 9vw, 118px);
  overflow: hidden;
  background: var(--gradient-hero);
  text-align: center;
}

.policy-hero::before,
.policy-hero::after {
  position: absolute;
  content: "";
  border-radius: 50%;
  pointer-events: none;
}

.policy-hero::before {
  top: 64px;
  left: max(-180px, calc(50% - 820px));
  width: 440px;
  height: 440px;
  border: 1px solid rgb(76 91 204 / 12%);
}

.policy-hero::after {
  right: max(-220px, calc(50% - 880px));
  bottom: -300px;
  width: 620px;
  height: 620px;
  border: 1px solid rgb(117 81 185 / 10%);
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.policy-hero h1 {
  position: relative;
  margin-bottom: 24px;
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.045em;
}

.policy-lead {
  position: relative;
  max-width: 760px;
  margin: 0 auto 42px;
  color: var(--color-soft-ink);
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.95;
}

.policy-meta {
  position: relative;
  display: grid;
  width: min(100%, 760px);
  margin: 0 auto;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgb(227 230 234 / 86%);
  border-radius: var(--radius-md);
  background: rgb(255 255 255 / 72%);
  box-shadow: 0 12px 34px rgb(30 41 59 / 5%);
  backdrop-filter: blur(14px);
}

.policy-meta > div {
  display: grid;
  min-height: 88px;
  align-content: center;
  padding: 14px 22px;
}

.policy-meta > div + div {
  border-left: 1px solid var(--color-hairline);
}

.policy-meta dt {
  color: var(--color-soft-ink);
  font-size: 11px;
  font-weight: 700;
}

.policy-meta dd {
  margin: 2px 0 0;
  font-size: 14px;
  font-weight: 800;
}

.policy-layout {
  display: grid;
  width: min(100% - (var(--page-gutter) * 2), var(--page-max));
  margin: 0 auto;
  padding-top: 80px;
  grid-template-columns: 240px minmax(0, 1fr);
  align-items: start;
  gap: clamp(44px, 6vw, 86px);
}

.policy-navigation {
  position: sticky;
  top: 108px;
  max-height: calc(100vh - 132px);
  padding: 22px;
  overflow: auto;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: 0 10px 28px rgb(30 41 59 / 5%);
  scrollbar-width: thin;
}

.policy-navigation > p {
  margin-bottom: 12px;
  color: var(--color-soft-ink);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.policy-navigation ol {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 2px;
  list-style: none;
  counter-reset: policy-nav;
}

.policy-navigation li {
  counter-increment: policy-nav;
}

.policy-navigation a {
  position: relative;
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 10px;
  color: var(--color-soft-ink);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
  transition:
    background-color 160ms ease,
    color 160ms ease;
}

.policy-navigation a::before {
  content: counter(policy-nav, decimal-leading-zero);
  color: #a4a9b3;
  font-size: 9px;
  font-variant-numeric: tabular-nums;
}

.policy-navigation a:hover,
.policy-navigation a[aria-current="location"] {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.policy-content {
  min-width: 0;
}

.policy-content > section {
  position: relative;
  margin-bottom: 26px;
  padding: clamp(34px, 5vw, 58px);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  scroll-margin-top: 110px;
}

.policy-content > section:last-child {
  margin-bottom: 0;
}

.section-number {
  margin-bottom: 12px;
  color: var(--color-accent);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.policy-content h2 {
  margin-bottom: 24px;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.policy-content h3 {
  margin: 34px 0 12px;
  font-size: 19px;
  line-height: 1.5;
}

.policy-content p {
  margin-bottom: 20px;
  color: var(--color-soft-ink);
}

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

.policy-content strong {
  color: var(--color-ink);
}

.policy-content ul:not(.purpose-list, .check-list) {
  margin: 0;
  padding-left: 1.35em;
  color: var(--color-soft-ink);
}

.policy-content li + li {
  margin-top: 10px;
}

.notice {
  margin-top: 30px;
  padding: 22px 24px;
  border: 1px solid #d9ddff;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
}

.notice > strong {
  display: block;
  margin-bottom: 6px;
  color: var(--color-accent);
  font-size: 14px;
}

.notice p {
  margin: 0;
  color: #505879;
  font-size: 14px;
}

.notice-caution {
  border-color: #f3d3b9;
  background: #fff6ed;
}

.notice-caution > strong {
  color: #9a4d15;
}

.notice-caution p {
  color: #6f5848;
}

.table-wrap {
  width: 100%;
  margin-top: 30px;
  overflow-x: auto;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-sm);
  scrollbar-width: thin;
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--color-surface);
  font-size: 13px;
  line-height: 1.7;
}

th,
td {
  padding: 17px 18px;
  border-bottom: 1px solid var(--color-hairline);
  text-align: left;
  vertical-align: top;
}

thead th {
  background: var(--color-surface-alt);
  color: var(--color-soft-ink);
  font-size: 11px;
  letter-spacing: 0.06em;
}

tbody th {
  width: 20%;
  color: var(--color-ink);
  white-space: nowrap;
}

tbody td {
  color: var(--color-soft-ink);
}

tbody tr:last-child th,
tbody tr:last-child td {
  border-bottom: 0;
}

.purpose-list,
.check-list {
  display: grid;
  margin: 28px 0;
  padding: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
}

.purpose-list li,
.check-list li {
  position: relative;
  min-height: 100%;
  margin: 0;
  padding: 20px 20px 20px 48px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-soft-ink);
  font-size: 14px;
}

.purpose-list li::before,
.check-list li::before {
  position: absolute;
  top: 21px;
  left: 20px;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border-radius: 50%;
  background: #e2f4ec;
  color: var(--color-success);
  content: "✓";
  font-size: 11px;
  font-weight: 900;
}

.purpose-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
}

.location-summary {
  display: grid;
  margin: 28px 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.location-summary > div {
  padding: 22px;
}

.location-summary > div + div {
  border-left: 1px solid var(--color-hairline);
}

.location-summary strong {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
}

.location-summary p {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
}

.service-list {
  display: grid;
  margin-top: 32px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.service-list article {
  display: flex;
  min-width: 0;
  min-height: 100%;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.service-list article > div:first-child {
  margin-bottom: 14px;
}

.service-list h3 {
  margin: 0 0 2px;
  font-size: 17px;
}

.service-list article > div:first-child > span {
  color: var(--color-soft-ink);
  font-size: 10px;
  font-weight: 700;
}

.service-list p {
  flex: 1;
  margin-bottom: 18px;
  font-size: 13px;
}

.service-list a,
.inline-links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 6px;
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: rgb(76 91 204 / 28%);
  text-underline-offset: 4px;
}

.external-mark {
  text-decoration: none;
}

.inline-links {
  display: grid;
}

.retention-list {
  display: grid;
  margin: 30px 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.retention-list article {
  padding: 22px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
}

.retention-list h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.retention-list p {
  margin: 0;
  font-size: 13px;
}

.contact-card {
  position: relative;
  margin-top: 34px;
  padding: clamp(26px, 5vw, 44px);
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--gradient-accent);
  color: #ffffff;
}

.contact-card::after {
  position: absolute;
  right: -110px;
  bottom: -160px;
  width: 320px;
  height: 320px;
  border: 1px solid rgb(255 255 255 / 18%);
  border-radius: 50%;
  content: "";
}

.contact-card .eyebrow,
.contact-card h3,
.contact-card strong {
  position: relative;
  z-index: 1;
  color: #ffffff;
}

.contact-card h3 {
  margin: 0 0 24px;
  font-size: clamp(22px, 3vw, 30px);
}

.contact-card dl {
  position: relative;
  z-index: 1;
  display: grid;
  margin: 0 0 20px;
  gap: 12px;
}

.contact-card dl > div {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 18px;
}

.contact-card dt {
  color: rgb(255 255 255 / 68%);
  font-size: 12px;
  font-weight: 700;
}

.contact-card dd {
  min-width: 0;
  margin: 0;
  font-size: 13px;
  font-weight: 700;
}

.contact-card dd a {
  min-height: 44px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact-card > p:last-child {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0;
  color: rgb(255 255 255 / 74%);
  font-size: 12px;
}

.site-footer {
  display: flex;
  min-height: 180px;
  padding: 44px max(var(--page-gutter), calc((100% - var(--page-max)) / 2));
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: #15171b;
  color: #ffffff;
}

.site-footer > div > a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.site-footer p {
  margin: 4px 0 0;
  color: rgb(255 255 255 / 56%);
  font-size: 12px;
}

.site-footer small {
  color: rgb(255 255 255 / 46%);
}

@media (max-width: 1199px) {
  .policy-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 42px;
  }

  .policy-content > section {
    padding: 38px;
  }

  .location-summary {
    grid-template-columns: 1fr;
  }

  .location-summary > div + div {
    border-top: 1px solid var(--color-hairline);
    border-left: 0;
  }
}

@media (max-width: 1023px) {
  html {
    scroll-padding-top: 150px;
  }

  .policy-layout {
    display: block;
    width: 100%;
    padding-top: 0;
  }

  .policy-navigation {
    position: sticky;
    z-index: 80;
    top: 76px;
    display: flex;
    width: 100%;
    max-height: none;
    padding: 10px var(--page-gutter);
    overflow-x: auto;
    border-width: 1px 0;
    border-radius: 0;
    box-shadow: 0 8px 20px rgb(30 41 59 / 5%);
    scrollbar-width: none;
  }

  .policy-navigation::-webkit-scrollbar {
    display: none;
  }

  .policy-navigation > p {
    display: none;
  }

  .policy-navigation ol {
    display: flex;
    width: max-content;
    gap: 4px;
  }

  .policy-navigation a {
    min-height: 44px;
    padding-inline: 14px;
    white-space: nowrap;
  }

  .policy-navigation a::before {
    display: none;
  }

  .policy-content {
    width: min(100% - (var(--page-gutter) * 2), 820px);
    margin-inline: auto;
    padding-top: 58px;
  }

  .policy-content > section {
    scroll-margin-top: 150px;
  }
}

@media (max-width: 767px) {
  :root {
    --page-gutter: 20px;
  }

  html {
    scroll-padding-top: 132px;
  }

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

  .brand {
    font-size: 20px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .back-link {
    min-width: 48px;
    width: 48px;
    padding: 0;
    justify-content: center;
    font-size: 0;
  }

  .back-link span {
    font-size: 18px;
  }

  .policy-hero {
    padding-top: 70px;
    text-align: left;
  }

  .policy-hero h1 {
    font-size: clamp(38px, 11vw, 52px);
  }

  .policy-lead {
    font-size: 15px;
  }

  .policy-meta {
    grid-template-columns: 1fr;
  }

  .policy-meta > div {
    min-height: 72px;
  }

  .policy-meta > div + div {
    border-top: 1px solid var(--color-hairline);
    border-left: 0;
  }

  .policy-navigation {
    top: 68px;
  }

  .policy-content {
    padding-top: 42px;
  }

  .policy-content > section {
    margin-bottom: 18px;
    padding: 30px 24px;
    border-radius: 20px;
    scroll-margin-top: 132px;
  }

  .policy-content h2 {
    font-size: clamp(25px, 8vw, 32px);
  }

  .policy-content h3 {
    font-size: 18px;
  }

  .notice {
    padding: 20px;
  }

  .purpose-list,
  .check-list,
  .service-list,
  .retention-list {
    grid-template-columns: 1fr;
  }

  .table-wrap {
    width: calc(100% + 24px);
    margin-right: -12px;
    margin-left: -12px;
  }

  .service-list article {
    padding: 22px;
  }

  .contact-card {
    margin-inline: -8px;
  }

  .contact-card dl > div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .contact-card dd a {
    align-items: center;
  }

  .site-footer {
    min-height: 220px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 28px;
  }
}

@media (max-width: 389px) {
  :root {
    --page-gutter: 16px;
  }

  .policy-content > section {
    padding: 28px 20px;
  }

  .policy-content h2 {
    font-size: 25px;
  }

  .purpose-list li,
  .check-list li {
    padding-right: 16px;
    padding-left: 44px;
  }

  .purpose-list li::before,
  .check-list li::before {
    left: 16px;
  }

  .contact-card {
    padding: 24px 20px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (prefers-contrast: more) {
  :root {
    --color-soft-ink: #464b54;
    --color-hairline: #aeb4bd;
  }

  .policy-content > section,
  .policy-navigation,
  .purpose-list li,
  .check-list li {
    border-width: 2px;
  }
}

@media (forced-colors: active) {
  .brand-mark,
  .policy-hero::before,
  .policy-hero::after,
  .contact-card::after {
    display: none;
  }

  .policy-content > section,
  .policy-navigation,
  .notice,
  .contact-card {
    border: 1px solid ButtonText;
  }
}

@media print {
  :root {
    --color-bg: #ffffff;
    --color-surface: #ffffff;
    --color-ink: #000000;
    --color-soft-ink: #222222;
    --color-hairline: #b8b8b8;
  }

  @page {
    size: A4;
    margin: 16mm;
  }

  html,
  body {
    min-width: 0;
    background: #ffffff;
    font-size: 10pt;
  }

  .site-header,
  .policy-navigation,
  .site-footer,
  .skip-link {
    display: none;
  }

  main {
    padding: 0;
  }

  .policy-hero {
    padding: 0 0 12mm;
    background: #ffffff;
    text-align: left;
  }

  .policy-hero::before,
  .policy-hero::after {
    display: none;
  }

  .policy-hero h1 {
    font-size: 26pt;
  }

  .policy-lead {
    max-width: none;
  }

  .policy-meta {
    width: 100%;
    box-shadow: none;
  }

  .policy-layout,
  .policy-content {
    display: block;
    width: 100%;
    padding: 0;
  }

  .policy-content > section {
    margin: 0 0 8mm;
    padding: 0;
    break-inside: auto;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .policy-content h2,
  .policy-content h3 {
    break-after: avoid;
  }

  .notice,
  .contact-card,
  .service-list article,
  .retention-list article,
  .purpose-list li,
  .check-list li {
    break-inside: avoid;
    background: #ffffff;
    color: #000000;
    box-shadow: none;
  }

  .contact-card *,
  .contact-card p,
  .contact-card .eyebrow,
  .contact-card h3 {
    color: #000000;
  }

  .table-wrap {
    overflow: visible;
  }

  table {
    min-width: 0;
    font-size: 8pt;
  }

  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 7pt;
    font-weight: 400;
    overflow-wrap: anywhere;
  }
}