:root {
  color-scheme: dark;
  --navy-950: #06142b;
  --navy-900: #081b38;
  --navy-800: #0d2b52;
  --navy-700: #123d70;
  --blue: #53abff;
  --blue-soft: #9bd4ff;
  --gold: #f4c354;
  --text: #f1f6ff;
  --muted: #b8c8df;
  --line: #31577f;
  --focus: #ffd66d;
}

* { box-sizing: border-box; }
html { background: var(--navy-950); }
body {
  margin: 0;
  min-width: 320px;
  background: linear-gradient(180deg, var(--navy-900) 0, var(--navy-950) 340px);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.8;
}
a { color: var(--blue-soft); text-underline-offset: 0.18em; }
a:hover { color: #d8efff; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 10; background: var(--focus); color: #171000; padding: .45rem .8rem; font-weight: 700; }
.skip-link:focus { top: 1rem; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(6, 20, 43, .9); }
.wrap { width: min(100% - 2.5rem, 920px); margin: 0 auto; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.1rem 0 .8rem; }
.brand { color: var(--gold); font-size: 1.15rem; font-weight: 800; letter-spacing: .08em; text-decoration: none; }
.language-switcher { display: inline-flex; align-items: center; gap: .35rem; }
.language-switcher button { border: 1px solid var(--line); border-radius: 4px; background: transparent; color: var(--muted); cursor: pointer; font: inherit; font-size: .88rem; padding: .28rem .55rem; }
.language-switcher button[aria-pressed="true"] { background: var(--blue); border-color: var(--blue); color: #041225; font-weight: 700; }
.primary-nav { display: flex; flex-wrap: wrap; gap: .2rem .9rem; padding-bottom: .9rem; }
.primary-nav a { color: var(--muted); font-size: .93rem; }
.primary-nav a[aria-current="page"] { color: var(--text); font-weight: 700; }
main { padding: 2.6rem 0 3.25rem; }
.eyebrow { color: var(--gold); font-size: .82rem; font-weight: 800; letter-spacing: .1em; margin: 0 0 .35rem; text-transform: uppercase; }
h1, h2 { color: var(--text); line-height: 1.3; }
h1 { font-size: clamp(1.75rem, 4vw, 2.55rem); margin: 0; }
h2 { border-top: 1px solid var(--line); font-size: 1.22rem; margin: 2.5rem 0 .7rem; padding-top: 1.5rem; }
h3 { color: var(--blue-soft); font-size: 1.02rem; margin: 1.5rem 0 .35rem; }
p, li { max-width: 78ch; }
ul { padding-left: 1.35rem; }
.lede { color: var(--muted); font-size: 1.06rem; margin: .75rem 0 0; }
.legal-meta { color: var(--muted); font-size: .92rem; margin: 1.35rem 0 2rem; }
.notice { border-left: 3px solid var(--blue); color: var(--muted); margin: 1.5rem 0; padding: .35rem 0 .35rem 1rem; }
.deletion-flow { border: 1px solid var(--line); margin: 2rem 0; padding: 1.25rem; }
.deletion-flow h2 { margin-top: 1.25rem; }
#google-signin-container { margin-top: 1.15rem; min-height: 44px; }
.deletion-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.25rem; }
.action-button { background: var(--navy-700); border: 1px solid var(--blue); border-radius: 4px; color: var(--text); cursor: pointer; font: inherit; font-weight: 700; padding: .55rem .9rem; }
.action-button:hover { background: var(--blue); color: #041225; }
.action-button.danger { border-color: #e07a82; color: #ffe8eb; }
.action-button.danger:hover { background: #aa3c4b; color: #fff; }
.action-button:disabled { cursor: wait; opacity: .65; }
.status-message { color: var(--blue-soft); font-weight: 700; margin: 1rem 0 0; min-height: 1.8em; }
.home-links { display: grid; gap: .75rem; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 2rem 0; }
.home-link { border: 1px solid var(--line); color: var(--text); display: block; padding: 1rem 1.1rem; text-decoration: none; }
.home-link:hover { background: rgba(83, 171, 255, .12); color: var(--text); }
.home-link strong, .home-link span { display: block; }
.home-link span { color: var(--muted); font-size: .9rem; margin-top: .2rem; }
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .88rem; padding: 1.5rem 0 2rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: .35rem 1rem; margin-bottom: .6rem; }
[data-lang] { display: none; }
body[data-language="ja"] [data-lang="ja"], body[data-language="en"] [data-lang="en"] { display: block; }
body[data-language="ja"] li[data-lang="ja"], body[data-language="en"] li[data-lang="en"] { display: list-item; }
body[data-language="ja"] span[data-lang="ja"], body[data-language="en"] span[data-lang="en"] { display: inline; }

@media (max-width: 620px) {
  .wrap { width: min(100% - 1.5rem, 920px); }
  .header-row { align-items: flex-start; flex-direction: column; gap: .55rem; }
  .primary-nav { gap: .25rem .75rem; }
  main { padding-top: 2rem; }
  .home-links { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; } }