/* styles.css */
:root {
  --bg: #0f1226;
  --bg-soft: #181c3a;
  --card: #1f2450;
  --card-2: #262c63;
  --accent: #ffd24c;
  --accent-2: #7c6cff;
  --text: #f3f4ff;
  --text-dim: #aab0d8;
  --line: #343a78;
  --ok: #43e0a0;
  --radius: 16px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP",
    system-ui, -apple-system, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 50% -10%, #2a2f6e 0%, transparent 60%),
    var(--bg);
  min-height: 100vh;
  line-height: 1.7;
}

.site-header {
  text-align: center;
  padding: 40px 16px 16px;
}

.logo {
  margin: 0;
  font-size: 1.9rem;
  letter-spacing: 0.08em;
  background: linear-gradient(90deg, var(--accent), #ffe39a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  margin: 6px 0 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 8px 16px 40px;
}

.intro {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.95rem;
  margin: 8px 0 28px;
}
.intro-sub {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--accent);
}

/* --- 質問カード --- */
.q-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--card), var(--bg-soft));
  margin: 0 0 18px;
  padding: 18px 18px 14px;
}

.q-title {
  font-weight: 700;
  font-size: 1.05rem;
  padding: 0;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.q-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--accent-2);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
}

.q-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.opt {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card-2);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.05s;
}
.opt:hover { border-color: var(--accent-2); }
.opt:active { transform: scale(0.995); }

.opt input { accent-color: var(--accent); width: 18px; height: 18px; }

.opt:has(input:checked) {
  border-color: var(--accent);
  background: linear-gradient(180deg, #2d3470, #232a5e);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.opt-text { font-size: 0.98rem; }

/* --- ボタン --- */
.form-actions {
  position: sticky;
  bottom: 0;
  padding: 14px 0 18px;
  background: linear-gradient(180deg, transparent, var(--bg) 40%);
}

.btn {
  font: inherit;
  font-weight: 700;
  border: none;
  border-radius: 999px;
  padding: 15px 22px;
  cursor: pointer;
  width: 100%;
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent), #ffc01f);
  color: #2a2200;
  font-size: 1.05rem;
  box-shadow: var(--shadow);
}
.btn-primary:disabled {
  background: #3a4080;
  color: var(--text-dim);
  cursor: not-allowed;
  box-shadow: none;
}

.btn-share {
  background: linear-gradient(90deg, var(--accent-2), #5e7bff);
  color: #fff;
}
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--line);
}

/* --- 結果 --- */
.result-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(600px 300px at 50% -20%, #3a3f86 0%, transparent 70%),
    linear-gradient(180deg, var(--card), var(--bg-soft));
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow);
}

.result-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--accent);
  color: #2a2200;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.result-lead {
  margin: 18px 0 0;
  color: var(--text-dim);
}

.result-big {
  margin: 4px 0 6px;
  line-height: 1.1;
}
.big-num {
  font-size: 3.2rem;
  font-weight: 900;
  background: linear-gradient(90deg, var(--accent), #ffe79a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.big-unit { font-size: 1.3rem; font-weight: 800; margin-left: 4px; }

.result-headline {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 8px 0 0;
}

.result-pop {
  margin: 14px 0 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}
.result-pop b { color: var(--text); }

.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 22px 0 0;
}
.tag {
  background: var(--card-2);
  border: 1px solid var(--line);
  color: var(--ok);
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.result-body {
  margin: 22px auto 0;
  max-width: 30em;
  color: var(--text);
  text-align: left;
  font-size: 0.96rem;
}

.result-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 26px 0 0;
}

.result-note {
  margin: 18px 0 0;
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* --- 広告枠 --- */
.ad-slot {
  min-height: 90px;
  margin: 26px 0 0;
}

/* --- フッター --- */
.site-footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  padding: 24px 16px 40px;
}
.copyright { margin-top: 8px; opacity: 0.7; }

@media (min-width: 560px) {
  .result-actions { flex-direction: row; }
  .big-num { font-size: 3.8rem; }
}

/* --- 文書ページ（プライバシーポリシー等） --- */
.doc {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}
.doc h1 {
  font-size: 1.6rem;
  margin: 14px 0 4px;
}
.doc h2 {
  font-size: 1.12rem;
  margin: 30px 0 8px;
  color: var(--accent);
}
.doc .lead {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0 0 20px;
}
.doc p,
.doc li {
  color: var(--text);
  font-size: 0.95rem;
}
.doc ul { padding-left: 1.2em; }
.doc li { margin: 6px 0; }
.doc a { color: var(--accent); }
.home-link {
  display: inline-block;
  margin: 8px 0 16px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
}
.home-link:hover { color: var(--accent); }
.footer-links {
  margin-top: 6px;
}
.footer-links a {
  color: var(--text-dim);
  margin: 0 8px;
}