:root {
  --bg: #121615;
  --card: #1b2120;
  --line: rgba(255, 255, 255, 0.16);
  --text: #e9efee;
  --sub: #a3b3b1;
  --accent: #7fd6c2;
  --accent-ink: #0b1f1a;
  --err: #ff9b8a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

.wrap { width: min(100% - 32px, 440px); margin: 0 auto; padding: 48px 0 40px; }
.wrap.wide { width: min(100% - 32px, 720px); }

h1 { font-size: 22px; line-height: 1.4; margin: 0 0 8px; }
h2 { font-size: 17px; margin: 32px 0 8px; }
.lead { color: var(--sub); margin: 0 0 24px; font-size: 15px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px 20px; }

label { display: block; font-weight: 600; font-size: 15px; margin: 0 0 6px; }
.hint { display: block; color: var(--sub); font-size: 13px; font-weight: 400; margin-top: 2px; }
.field { margin: 0 0 20px; }

input[type=email], input[type=text] {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: #0f1312;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 11px 12px;
}
input.code { font-size: 26px; letter-spacing: 0.3em; text-align: center; font-variant-numeric: tabular-nums; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

button {
  font: inherit;
  font-weight: 600;
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
}
button:disabled { opacity: 0.55; cursor: wait; }
button.ghost { background: transparent; color: var(--text); border-color: var(--line); }
button.danger { background: transparent; color: var(--err); border-color: rgba(255, 155, 138, 0.5); }
.stack > * + * { margin-top: 12px; }

.ts { min-height: 65px; margin: 0 0 20px; }
.msg { margin: 0 0 16px; font-size: 15px; }
.msg.err { color: var(--err); }
.msg:empty { display: none; }

a { color: var(--accent); }
.foot { margin-top: 28px; font-size: 13px; color: var(--sub); text-align: center; }
.foot a { color: var(--sub); }

dl.info { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; }
dl.info dt { color: var(--sub); }
dl.info dd { margin: 0; word-break: break-all; }
dl.info + .stack { margin-top: 20px; }

.policy p, .policy li { font-size: 15px; }
.policy ul { padding-left: 1.3em; }
.policy table { border-collapse: collapse; width: 100%; font-size: 14px; }
.policy th, .policy td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.policy th { background: rgba(255, 255, 255, 0.04); width: 40%; }
@media (max-width: 560px) {
  .policy table, .policy tbody, .policy tr, .policy th, .policy td { display: block; width: auto; }
  .policy tr { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 8px; overflow: hidden; }
  .policy th, .policy td { border: 0; }
}
.todo { background: rgba(255, 180, 0, 0.16); border-radius: 4px; padding: 0 4px; }

[hidden] { display: none !important; }