/* ============================================================
   モチウタ LP — アプリ準拠ダークテーマ
   base: アプリUI (#260747 / ピンク見出し / ライム結果カード)
   ============================================================ */

:root {
  --bg: #260747;            /* アプリ基調色 */
  --bg-deep: #1A0333;
  --bg-deepest: #14022A;
  --surface: rgba(255,255,255,0.05);
  --surface-2: rgba(255,255,255,0.08);
  --line: rgba(255,255,255,0.09);
  --line-strong: rgba(255,255,255,0.16);
  --text: #FFFFFF;
  --text-sub: rgba(255,255,255,0.66);
  --text-dim: rgba(255,255,255,0.42);
  --pink: #FF6FB5;          /* アプリ見出しピンク寄り */
  --pink-deep: #FF5FA2;
  --violet: #B78CFF;
  --blue: #4EA8F7;
  --lime: #B8E986;          /* アプリ結果カードの縁 */
  --gold: #FFD23F;
  --radius: 20px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.8;
}

::selection { background: rgba(255,95,162,0.4); }

a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--pink);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
}
.container.narrow { max-width: 780px; }

/* ============ HERO ============ */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(720px 540px at 82% -10%, rgba(255,95,162,0.16), transparent 65%),
    radial-gradient(640px 520px at -12% 30%, rgba(120,64,255,0.22), transparent 65%),
    linear-gradient(180deg, #2E0955 0%, var(--bg) 70%);
}
/* うっすら音波ライン */
.hero::after {
  content: '';
  position: absolute; inset: auto 0 0 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 88px 28px 96px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.app-title {
  font-family: Smooch, cursive;
  font-size: clamp(56px, 7vw, 88px);
  line-height: 1;
  background: linear-gradient(120deg, var(--pink) 20%, var(--violet) 80%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}

.hero-title {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 900;
  font-size: clamp(2.5rem, 5.2vw, 4rem);
  line-height: 1.28;
  letter-spacing: 0.01em;
  margin-bottom: 22px;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(110deg, var(--pink) 10%, var(--violet) 90%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  color: var(--text-sub);
  line-height: 2.1;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.store-badge {
  display: block;
  border-radius: 10px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}
.store-badge:hover { transform: translateY(-3px); opacity: 0.92; }
.store-badge img { height: 52px; display: block; }
/* Google公式バッジは画像に余白が含まれるため大きめに表示して見た目を揃える */
.store-badge img.gp-badge { height: 72px; margin: -10px -8px; }

.hero-free {
  margin-top: 18px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

/* 実機スクショ */
.hero-mock {
  position: relative;
  justify-self: center;
}
.hero-mock::before {
  content: '';
  position: absolute;
  inset: -12% -18%;
  background: radial-gradient(closest-side, rgba(255,95,162,0.22), rgba(120,64,255,0.14) 55%, transparent 75%);
  filter: blur(10px);
  z-index: 0;
}
.phone {
  position: relative;
  z-index: 1;
  width: min(280px, 72vw);
  padding: 10px;
  border-radius: 44px;
  background: #0E0618;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow:
    0 40px 90px rgba(0,0,0,0.55),
    0 0 0 1px rgba(0,0,0,0.4);
}
.phone-shot {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 34px;
  background: var(--bg);
}

/* ============ SECTION COMMON ============ */
section { padding: 96px 0; }

.section-header { margin-bottom: 52px; }
.section-tag {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--pink);
  margin-bottom: 10px;
}
.section-title {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 800;
  font-size: clamp(1.55rem, 3.2vw, 2.2rem);
  line-height: 1.4;
  letter-spacing: 0.01em;
}

/* scroll reveal */
.reveal { opacity: 0; transform: translateY(20px); }
.reveal.visible {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

/* card base */
.pain-card, .howto-card, .feature-card, .price-card, .faq-item, .trust-strip, .review-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* ============ PAIN ============ */
.pain { padding-top: 104px; }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.pain-card {
  padding: 32px 28px;
  transition: border-color 0.3s, transform 0.3s;
}
.pain-card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.pain-icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.pain-icon svg { width: 22px; height: 22px; }
.pain-card:nth-child(1) .pain-icon { background: rgba(255,111,181,0.12); color: var(--pink); }
.pain-card:nth-child(2) .pain-icon { background: rgba(183,140,255,0.12); color: var(--violet); }
.pain-card:nth-child(3) .pain-icon { background: rgba(78,168,247,0.12); color: var(--blue); }
.pain-card h3 {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 800;
  font-size: 1.08rem;
  line-height: 1.6;
  margin-bottom: 10px;
}
.pain-card p {
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.95;
}

/* ============ HOW TO ============ */
.howto { background: var(--bg-deep); }
.howto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  counter-reset: step;
}
.howto-card {
  position: relative;
  padding: 34px 28px 30px;
  overflow: hidden;
}
.howto-num {
  position: absolute;
  top: 6px; right: 18px;
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 4.6rem;
  line-height: 1;
  color: rgba(255,255,255,0.055);
  letter-spacing: -0.04em;
  pointer-events: none;
  user-select: none;
}
.howto-icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  background: rgba(255,111,181,0.12);
  color: var(--pink);
}
.howto-card:nth-child(2) .howto-icon { background: rgba(78,168,247,0.12); color: var(--blue); }
.howto-card:nth-child(3) .howto-icon { background: rgba(184,233,134,0.12); color: var(--lime); }
.howto-icon svg { width: 22px; height: 22px; }
.howto-card h3 {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.howto-card p {
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.95;
}

/* ============ FEATURES ============ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.feature-card { padding: 32px 28px; transition: border-color 0.3s, transform 0.3s; }
.feature-card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.feature-card.highlight { grid-column: 1 / -1; }
.feature-card.fc-mid { grid-column: span 3; }
.feature-card.fc-small { grid-column: span 2; }

/* 目玉：AIキー検索 */
.feature-card.highlight {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
  gap: 40px;
  padding: 44px 44px;
  background:
    radial-gradient(480px 320px at 100% 0%, rgba(255,95,162,0.10), transparent 70%),
    var(--surface);
  border-color: rgba(255,111,181,0.35);
}
.feature-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--pink);
  border: 1px solid rgba(255,111,181,0.45);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 14px;
}
.feature-card.highlight .feature-name {
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  margin-bottom: 12px;
}
.feature-points {
  list-style: none;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature-points li {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-sub);
}
.feature-points svg { width: 17px; height: 17px; color: var(--lime); flex-shrink: 0; }

/* アプリの結果カードを模したビジュアル */
.highlight-visual { display: flex; justify-content: center; }
.result-chip {
  width: min(300px, 100%);
  text-align: center;
  background: rgba(20,2,42,0.55);
  border: 1.5px solid rgba(184,233,134,0.75);
  border-radius: 18px;
  padding: 26px 24px 22px;
  box-shadow: 0 0 34px rgba(184,233,134,0.14), 0 18px 40px rgba(0,0,0,0.35);
}
.rc-label { font-size: 0.76rem; font-weight: 700; color: var(--text-sub); letter-spacing: 0.06em; }
.rc-key {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 900;
  font-size: 3.4rem;
  line-height: 1.3;
  color: #fff;
}
.rc-key span { font-size: 1.5rem; font-weight: 800; }
.rc-models { display: flex; gap: 8px; justify-content: center; }
.rc-models span {
  font-family: 'Poppins', 'Noto Sans JP', sans-serif;
  font-size: 0.68rem; font-weight: 700;
  color: var(--text-sub);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 3px 12px;
}

.feature-icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.feature-icon svg { width: 22px; height: 22px; }
.fc-mid:nth-of-type(2) .feature-icon { background: rgba(255,210,63,0.12); color: var(--gold); }
.fc-mid:nth-of-type(3) .feature-icon { background: rgba(183,140,255,0.12); color: var(--violet); }
.fc-small:nth-of-type(4) .feature-icon { background: rgba(255,210,63,0.12); color: var(--gold); }
.fc-small:nth-of-type(5) .feature-icon { background: rgba(255,111,181,0.12); color: var(--pink); }
.fc-small:nth-of-type(6) .feature-icon { background: rgba(78,168,247,0.12); color: var(--blue); }

.feature-name {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.95;
}

/* ============ TRUST ============ */
.trust { padding: 0 0 96px; }
.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-radius: var(--radius);
  overflow: hidden;
}
.trust-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 22px 16px;
  border-left: 1px solid var(--line);
}
.trust-item:first-child { border-left: none; }
.trust-item svg { width: 19px; height: 19px; color: var(--lime); flex-shrink: 0; }
.trust-item p { font-size: 0.85rem; font-weight: 700; line-height: 1.5; }

.review-card {
  max-width: 640px;
  margin: 40px auto 0;
  padding: 34px 36px;
  text-align: center;
}
.review-stars { display: flex; gap: 4px; justify-content: center; margin-bottom: 14px; color: var(--gold); }
.review-stars svg { width: 19px; height: 19px; fill: var(--gold); }
.review-text { font-size: 0.98rem; line-height: 2; margin-bottom: 10px; }
.review-source { font-size: 0.78rem; color: var(--text-dim); }

/* ============ PRICING ============ */
.pricing { background: var(--bg-deep); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 440px));
  justify-content: center;
  gap: 24px;
  align-items: stretch;
}
.price-card {
  position: relative;
  padding: 38px 36px;
}
.price-card.premium {
  border: 1.5px solid transparent;
  background:
    linear-gradient(var(--bg-deep), var(--bg-deep)) padding-box,
    linear-gradient(135deg, var(--pink-deep), #8B5CF6) border-box;
  box-shadow: 0 18px 50px rgba(255,95,162,0.12);
}
.price-badge {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--pink-deep), #8B5CF6);
  color: #fff;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  border-radius: 999px;
  padding: 4px 16px;
}
.price-plan {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  text-align: center;
  color: var(--text-sub);
  margin-bottom: 6px;
}
.price-amount {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 900;
  font-size: 1.9rem;
  text-align: center;
  line-height: 1.5;
}
.price-card.premium .price-amount {
  background: linear-gradient(110deg, var(--pink) 20%, var(--violet) 85%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.price-per {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-dim);
  -webkit-text-fill-color: var(--text-dim);
}
.price-alt {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-sub);
}
.price-list {
  list-style: none;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.price-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-sub);
}
.price-list svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-top: 5px;
  color: var(--lime);
}
.price-card.premium .price-list svg { color: var(--pink); }
.price-card.premium .price-list li { color: rgba(255,255,255,0.82); }
.price-sub { display: block; font-size: 0.78rem; color: var(--text-dim); }
.pricing-note {
  text-align: center;
  margin-top: 26px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ============ FAQ ============ */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { overflow: hidden; transition: border-color 0.3s; }
.faq-item[open] { border-color: var(--line-strong); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 19px 54px 19px 24px;
  font-weight: 700;
  font-size: 0.95rem;
  position: relative;
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 22px; top: 50%;
  transform: translateY(-52%);
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--pink);
  transition: transform 0.25s;
}
.faq-item[open] summary::after { transform: translateY(-52%) rotate(45deg); }
.faq-item summary:hover { color: var(--pink); }
.faq-item p {
  padding: 0 24px 20px;
  font-size: 0.88rem;
  line-height: 2;
  color: var(--text-sub);
}

/* ============ CTA ============ */
.cta-section { padding: 40px 0 110px; }
.cta-box {
  position: relative;
  overflow: hidden;
  text-align: center;
  border-radius: 28px;
  padding: 64px 40px;
  background:
    radial-gradient(560px 320px at 18% 0%, rgba(255,255,255,0.14), transparent 60%),
    linear-gradient(125deg, #E0447F 0%, #8B3DE8 100%);
}
.cta-box h2 {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 900;
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  margin-bottom: 12px;
}
.cta-sub {
  color: rgba(255,255,255,0.85);
  font-size: 0.92rem;
  font-weight: 500;
  margin-bottom: 34px;
}
.cta-stores {
  display: flex;
  gap: 14px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.cta-stores .store-badge img { height: 52px; }
.cta-stores .store-badge img.gp-badge { height: 72px; margin: -10px -8px; }

/* ============ FOOTER ============ */
footer {
  text-align: center;
  padding: 44px 28px 48px;
  background: var(--bg-deepest);
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--text-dim);
}
.footer-logo {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  background: linear-gradient(120deg, var(--pink), var(--violet));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 18px;
}
.footer-sns {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-bottom: 20px;
}
.footer-sns a {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--text-sub);
  transition: border-color 0.25s, color 0.25s, transform 0.25s;
}
.footer-sns a:hover { border-color: var(--pink); color: var(--pink); transform: translateY(-2px); }
.footer-sns a svg { width: 17px; height: 17px; }
.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 14px;
}
.footer-links a {
  text-decoration: none;
  color: var(--text-sub);
  font-size: 0.8rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--pink); }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 64px 24px 72px;
    gap: 52px;
  }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }

  section { padding: 68px 0; }
  .pain { padding-top: 76px; }
  .pain-grid, .howto-grid { grid-template-columns: 1fr; gap: 14px; }

  .features-grid { grid-template-columns: 1fr; gap: 14px; }
  .feature-card.highlight,
  .feature-card.fc-mid,
  .feature-card.fc-small { grid-column: 1 / -1; }
  .feature-card.highlight {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 36px 28px;
  }

  .trust { padding-bottom: 68px; }
  .trust-strip { grid-template-columns: repeat(2, 1fr); }
  .trust-item { border-left: none; border-top: 1px solid var(--line); justify-content: flex-start; }
  .trust-item:nth-child(-n+2) { border-top: none; }
  .trust-item:nth-child(even) { border-left: 1px solid var(--line); }

  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .cta-box { padding: 52px 24px; }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .store-badge img { height: 46px; }
  .store-badge img.gp-badge { height: 64px; margin: -9px -7px; }
  .cta-stores .store-badge img { height: 46px; }
  .cta-stores .store-badge img.gp-badge { height: 64px; margin: -9px -7px; }
}

/* ============ COLUMN / ARTICLE ============ */
.article-header { padding: 28px 0 0; }
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s;
}
.article-back svg { width: 15px; height: 15px; }
.article-back:hover { color: var(--pink); }

.article-hero { padding: 40px 0 8px; }
.article-tag {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--pink);
  margin-bottom: 14px;
}
.article-title {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 800;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  line-height: 1.5;
  margin-bottom: 16px;
}
.article-meta { font-size: 0.8rem; color: var(--text-dim); }

.article-body { padding: 32px 0 8px; }
.article-body p {
  color: var(--text-sub);
  font-size: 0.98rem;
  margin-bottom: 22px;
}
.article-body h2 {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 800;
  font-size: clamp(1.15rem, 2.6vw, 1.4rem);
  color: var(--text);
  margin: 44px 0 16px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}
.article-body h2:first-of-type { border-top: none; padding-top: 0; margin-top: 4px; }
.article-body ul {
  list-style: none;
  margin: 0 0 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.article-body ul li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--text-sub);
  font-size: 0.96rem;
}
.article-body ul li svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--lime);
  margin-top: 3px;
}