/* 空ざわり — サポート & プライバシー
   デザイン方針(doc/DESIGN.md)に準拠。ダークモード単一運用。 */

:root {
  --aizumi: #11151f;   /* 藍墨・地色 */
  --yoi: #1a2233;      /* 宵・背景グラデ上部 */
  --geppaku: #dfe3ec;  /* 月白・主文字 */
  --kasumi: #6e7689;   /* 霞・補助文字 */
  --shinonome: #e8a87c;/* 東雲・アクセント */
  --jiji: #454c5e;     /* 地々・最弱文字 */
  --line: rgba(223, 227, 236, 0.12);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--geppaku);
  background:
    radial-gradient(120% 80% at 50% -10%, var(--yoi) 0%, var(--aizumi) 60%) no-repeat,
    var(--aizumi);
  background-attachment: fixed;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 2;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 28px 96px;
}

/* ───── ヘッダー ───── */
header {
  text-align: center;
  padding: 80px 0 56px;
}

.icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  display: block;
  margin: 0 auto 28px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.mei {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
  font-size: 30px;
  letter-spacing: 0.6em;
  text-indent: 0.6em;
  margin: 0 0 14px;
  font-weight: 400;
}

.tagline {
  color: var(--kasumi);
  font-size: 13px;
  letter-spacing: 0.3em;
  margin: 0;
}

/* ───── ナビ ───── */
nav {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin: 40px 0 8px;
  flex-wrap: wrap;
}

nav a {
  color: var(--kasumi);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.2em;
  padding: 9px 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color .3s, border-color .3s;
}

nav a:hover, nav a[aria-current="page"] {
  color: var(--geppaku);
  border-color: rgba(223, 227, 236, 0.3);
}

/* ───── セクション ───── */
section { margin-top: 64px; }

h2 {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
  font-size: 22px;
  letter-spacing: 0.22em;
  font-weight: 400;
  margin: 0 0 6px;
  color: var(--geppaku);
}

.section-sub {
  color: var(--jiji);
  font-size: 11px;
  letter-spacing: 0.18em;
  margin: 0 0 26px;
  text-transform: uppercase;
}

.divider {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0 0 26px;
}

h3 {
  font-size: 15px;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--geppaku);
  margin: 36px 0 8px;
}

p { color: #c3c8d4; margin: 0 0 16px; }

a { color: var(--shinonome); }

strong { color: var(--geppaku); font-weight: 600; }

/* 手順リスト */
ol.steps, ul.list { padding-left: 0; list-style: none; }

ol.steps { counter-reset: step; }

ol.steps li {
  counter-increment: step;
  position: relative;
  padding: 4px 0 4px 46px;
  margin-bottom: 14px;
  color: #c3c8d4;
}

ol.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 4px;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  font-family: "Hiragino Mincho ProN", serif;
  font-size: 14px;
  color: var(--shinonome);
  border: 1px solid rgba(232, 168, 124, 0.4);
  border-radius: 50%;
}

ul.list li {
  position: relative;
  padding: 4px 0 4px 22px;
  margin-bottom: 12px;
  color: #c3c8d4;
}

ul.list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 18px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--kasumi);
}

/* FAQ */
.faq {
  border-top: 1px solid var(--line);
  padding: 22px 0;
}
.faq:last-of-type { border-bottom: 1px solid var(--line); }
.faq .q {
  font-weight: 600;
  color: var(--geppaku);
  letter-spacing: 0.06em;
  margin: 0 0 8px;
}
.faq .q::before {
  content: "問　";
  color: var(--kasumi);
  font-family: "Hiragino Mincho ProN", serif;
}
.faq .a { margin: 0; }
.faq .a::before {
  content: "答　";
  color: var(--shinonome);
  font-family: "Hiragino Mincho ProN", serif;
}

/* 連絡先カード */
.contact-card {
  margin-top: 26px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 18px;
  text-align: center;
  background: rgba(26, 34, 51, 0.35);
}
.contact-card .mail {
  display: inline-block;
  margin-top: 6px;
  font-size: 18px;
  letter-spacing: 0.06em;
}

/* プライバシー要点 */
.points { display: grid; gap: 16px; margin: 8px 0 28px; }
.point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(26, 34, 51, 0.3);
}
.point .dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 12px;
  border-radius: 50%;
  background: var(--shinonome);
  box-shadow: 0 0 14px rgba(232, 168, 124, 0.6);
}
.point p { margin: 0; color: var(--geppaku); letter-spacing: 0.04em; }

/* ───── フッター ───── */
footer {
  text-align: center;
  margin-top: 88px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
  color: var(--jiji);
  font-size: 11px;
  letter-spacing: 0.12em;
}
footer .mei-s {
  font-family: "Hiragino Mincho ProN", serif;
  font-size: 13px;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  color: var(--kasumi);
  margin-bottom: 10px;
}
footer .weather { color: var(--jiji); }

@media (max-width: 480px) {
  .wrap { padding: 0 22px 72px; }
  header { padding: 56px 0 40px; }
  .mei { font-size: 26px; }
}