/* ------------------------------------------------------------
 * Pital Web（モバイルファースト・シンプル版）
 *
 * 主な仕様:
 *  - フォント: LINE Seed JP
 *  - 単色配色・グリッド背景のみ（グラデーションなし）
 *  - タグはアプリの PitalTagChipView（値札風チップ）に合わせる
 *  - カード種別アイコンは作成画面と同じ SF Symbol 名の SVG
 *  - 点線枠は使わない
 * ------------------------------------------------------------ */

:root {
  --bg: #fbeaf1;
  --surface: #ffffff;
  --border: #f1d3e0;
  --text-primary: #2a2438;
  --text-secondary: #5c5678;
  --text-tertiary: #8a8498;
  --pink-strong: #ff7aa2;
  --purple: #7774ab;
  --purple-strong: #5b58a0;
  --field-fill: #f2f2f2;
  --grid: rgba(122, 86, 168, 0.14);
  --shadow-card: 0 2px 8px rgba(42, 36, 56, 0.1);
  --radius-card: 14px;
  --radius-md: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "LINE Seed JP", "LINE Seed Sans JP", "Hiragino Kaku Gothic ProN",
    "Noto Sans JP", -apple-system, sans-serif;
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
}

a {
  color: var(--purple-strong);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  margin: 0 auto;
  padding: 0 16px;
}

.section {
  padding: 28px 0;
}

/* ===== ヘッダー ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 234, 241, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 56px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.15rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 2px solid #fff;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 10px;
  border-radius: 999px;
}

.nav-link[aria-current="page"] {
  background: var(--pink-strong);
  color: #fff;
}

/* ===== ヒーロー ===== */
.hero {
  padding: 28px 0 8px;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-screenshot {
  width: min(46vw, 188px);
  margin: 12px auto 10px;
}

.hero-screenshot img {
  display: block;
  width: 100%;
  height: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--purple-strong);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
}

.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pink-strong);
}

.hero-title {
  font-size: clamp(26px, 7vw, 40px);
  line-height: 1.25;
  margin: 0 0 10px;
  font-weight: 800;
  color: var(--purple-strong);
}

.hero-lead {
  color: var(--text-secondary);
  margin: 0 0 16px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 11px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.button.primary {
  background: var(--pink-strong);
  color: #fff;
}

.button.subtle {
  background: var(--surface);
  color: var(--text-primary);
  border-color: var(--purple);
}

/* App Store（公開後に site-config.js で URL を有効化） */
.button.app-store {
  background: #1d1d1f;
  color: #ffffff;
  border-color: #1d1d1f;
}

.button.app-store:hover {
  background: #000000;
}

/* ===== 記録カード（アプリの cardChrome） ===== */
.record-card {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-card);
  padding: 16px;
  box-shadow: var(--shadow-card);
  overflow: visible;
}

.record-card-title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
}

.record-card-body {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.record-card--demo {
  margin-bottom: 16px;
}

/* ===== タグチップ（PitalTagChipView 相当） ===== */
.pital-tag-chip {
  --tag-color: var(--purple);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px 5px 8px;
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--tag-color) 48%, transparent);
  /* 左上・左下・右下 10px、右上 4px（値札の切れ込み） */
  border-radius: 10px 4px 10px 10px;
  box-shadow: 0 1px 1.5px rgba(42, 36, 56, 0.1);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.pital-tag-hole {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--field-fill);
  border: 0.75px solid color-mix(in srgb, var(--tag-color) 35%, transparent);
  flex-shrink: 0;
}

.pital-tag-icon {
  display: inline-block;
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  background-color: var(--tag-color);
  -webkit-mask-image: var(--icon-url);
  mask-image: var(--icon-url);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}

.pital-tag-label {
  line-height: 1.2;
}

/* 四隅配置（TagCornerOverlay の傾きに近い） */
.pital-tag-chip.corner {
  position: absolute;
  z-index: 2;
}

.pital-tag-chip.top-trailing {
  top: -6px;
  right: -8px;
  transform: rotate(11deg);
  transform-origin: top right;
}

.pital-tag-chip.top-leading {
  top: -6px;
  left: -8px;
  transform: rotate(-11deg);
  transform-origin: top left;
}

.pital-tag-chip.bottom-trailing {
  bottom: -10px;
  right: -8px;
  transform: rotate(-9deg);
  transform-origin: bottom right;
}

.pital-tag-chip.bottom-leading {
  bottom: -10px;
  left: -8px;
  transform: rotate(9deg);
  transform-origin: bottom left;
}

/* ===== タグで振り返る ===== */
.section-lookback {
  background: color-mix(in srgb, var(--surface) 88%, var(--bg));
  padding-top: 40px;
  padding-bottom: 40px;
}

.section-lookback .section-heading {
  margin-bottom: 0;
}

.section-lookback .section-heading p {
  margin-bottom: 0;
}

.lookback-screenshots {
  position: relative;
  width: min(100%, 260px);
  height: min(56vw, 300px);
  margin: 56px auto 24px;
  padding-top: 16px;
}

.lookback-screenshot {
  position: absolute;
  width: min(38vw, 160px);
  margin: 0;
  opacity: 0;
  transition:
    opacity 0.65s ease,
    transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

.lookback-screenshot img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 24px rgba(42, 36, 56, 0.14));
}

.lookback-screenshot--back {
  left: 0;
  bottom: 0;
  transform: rotate(-9deg) translateY(28px) translateX(-16px);
  transform-origin: center bottom;
  z-index: 1;
}

.lookback-screenshot--front {
  right: 0;
  top: 24px;
  transform: rotate(7deg) translateY(28px) translateX(16px);
  transform-origin: center top;
  z-index: 2;
  transition-delay: 0.12s;
}

.lookback-screenshots.is-visible .lookback-screenshot--back {
  opacity: 1;
  transform: rotate(-9deg) translateY(0) translateX(0);
}

.lookback-screenshots.is-visible .lookback-screenshot--front {
  opacity: 1;
  transform: rotate(7deg) translateY(0) translateX(0);
}

@media (prefers-reduced-motion: reduce) {
  .lookback-screenshot {
    opacity: 1;
    transition: none;
  }

  .lookback-screenshot--back {
    transform: rotate(-9deg);
  }

  .lookback-screenshot--front {
    transform: rotate(7deg);
  }
}

/* ===== セクション見出し ===== */
.section-heading {
  margin-bottom: 16px;
}

.section-heading h2 {
  font-size: clamp(22px, 5vw, 28px);
  margin: 0 0 6px;
  font-weight: 800;
  color: var(--purple-strong);
}

.section-heading p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* ===== カード種別グリッド（作成画面のチケット風） ===== */
.kind-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.kind-cell {
  background: var(--surface);
  border: 0.8px solid color-mix(in srgb, var(--text-tertiary) 35%, transparent);
  border-radius: var(--radius-md);
  padding: 12px;
  box-shadow: 0 1px 2px rgba(42, 36, 56, 0.06);
}

.kind-icon-frame {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--field-fill);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.kind-icon-frame img {
  width: 15px;
  height: 15px;
  display: block;
  opacity: 0.75;
}

.kind-cell h3 {
  margin: 0 0 2px;
  font-size: 0.98rem;
}

.kind-cell p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.kind-grid-note {
  margin: 20px auto 0;
  max-width: 22rem;
  padding: 14px 18px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--purple-strong);
  line-height: 1.55;
  text-align: center;
  background: color-mix(in srgb, var(--pink-strong) 10%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--pink-strong) 38%, var(--border));
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

/* ===== CTA ===== */
.cta-simple {
  text-align: center;
  padding: 8px 0;
}

.cta-simple h2 {
  margin: 0 0 8px;
  font-size: clamp(20px, 5vw, 26px);
  color: var(--purple-strong);
  font-weight: 800;
}

.cta-simple p {
  margin: 0 0 16px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.cta-simple .cta-row {
  justify-content: center;
}

/* ===== サブページ ===== */
.page-title {
  font-size: clamp(24px, 6vw, 32px);
  margin: 8px 0 6px;
  color: var(--purple-strong);
  font-weight: 800;
}

.page-lead {
  margin: 0 0 16px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.policy {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-card);
}

.policy h2 {
  margin: 0 0 6px;
  font-size: 1.1rem;
  color: var(--purple-strong);
}

.policy p,
.policy li {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.policy .en {
  color: var(--text-tertiary);
  font-style: italic;
  margin-top: 8px;
  margin-bottom: 0;
}

.policy ul {
  margin: 0;
  padding-left: 1.2rem;
}

.policy li + li {
  margin-top: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  box-shadow: var(--shadow-card);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  font-size: 0.95rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: "Q";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--pink-strong);
  color: #fff;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.faq-item p {
  margin: 0;
  padding: 0 16px 16px 50px;
  color: var(--text-secondary);
  font-size: 0.92rem;
  position: relative;
}

.faq-item p::before {
  content: "A";
  position: absolute;
  left: 16px;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #ffd66b;
  color: #6a5300;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.muted {
  color: var(--text-tertiary);
}

/* ===== フッター ===== */
.site-footer {
  margin-top: 24px;
  padding: 18px 0 26px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
  font-weight: 600;
}

/* ===== タブレット以上 ===== */
@media (min-width: 640px) {
  body {
    font-size: 16px;
  }

  .container {
    padding: 0 24px;
  }

  .section {
    padding: 36px 0;
  }

  .hero-screenshot {
    width: min(220px, 32vw);
  }

  .lookback-screenshots {
    width: min(100%, 300px);
    height: min(42vw, 340px);
    margin: 64px auto 28px;
    padding-top: 20px;
  }

  .lookback-screenshot {
    width: min(180px, 22vw);
  }

  .kind-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
  }
}

@media (min-width: 960px) {
  .container {
    width: min(100%, 900px);
  }

  .hero-screenshot {
    width: min(240px, 28vw);
    margin: 14px auto 12px;
  }

  .kind-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}