@import url('/design-tokens-base.css');

/**
 * サインイン前ウェルカム画面専用トークン（コアは design-tokens-base.css）
 */
:root {
  --surface: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
}

html,
body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, sans-serif;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  color: #c5e9ff;
}

.welcome-btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.welcome-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--accent);
}

/* ----- 入口（index） ----- */
.welcome-gate {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
  text-align: center;
}

.welcome-gate-logo {
  height: 48px;
  width: auto;
  max-width: min(200px, 70vw);
  object-fit: contain;
  margin-bottom: 1.25rem;
}

.welcome-gate-title {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.welcome-gate-lead {
  margin: 0 0 1.75rem;
  max-width: 22rem;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

.welcome-gate-cta {
  padding: 0.8rem 1.75rem;
  font-size: 1rem;
}

.welcome-gate-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  align-items: center;
  width: 100%;
  max-width: 18rem;
}

.welcome-gate-actions .welcome-btn {
  width: 100%;
  text-align: center;
}

.welcome-gate-secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--text);
}

.welcome-gate-secondary:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.35);
}

/* ----- サブページ（signin / signup） ----- */
.welcome-sub {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
}

.welcome-sub-inner {
  width: 100%;
  max-width: 26rem;
  text-align: center;
}

.welcome-sub-inner h1 {
  margin: 0 0 0.75rem;
  font-size: 1.5rem;
}

.welcome-sub-inner p {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
  text-align: left;
}

.welcome-sub-inner code {
  font-size: 0.88em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.welcome-sub-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  align-items: center;
}

.welcome-sub-actions .welcome-btn {
  width: 100%;
  max-width: 18rem;
  text-align: center;
}

.welcome-link-secondary {
  margin-top: 0.25rem;
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.welcome-link-secondary:hover {
  color: var(--accent);
}

.back-link {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
}

.back-link:hover {
  color: var(--accent);
}