/* ---- Base ---- */
:root {
  --brown-900: #3a2a1c;
  --brown-700: #5f4030;
  --brown-600: #6f4a36;
  --brown-500: #8b5e3c;
  --brown-300: #b48a6c;
  --brown-100: #f3e7da;
  --cream: #fbf6ef;
  --yellow: #f5c518;
  --yellow-dark: #d8aa10;
  --text: #2b1d12;
  --text-muted: #6a5848;
  --line: #e3d4c2;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(58, 42, 28, 0.12);
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  color: var(--text);
  background: var(--cream);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brown-700); text-decoration: none; }
a:hover { color: var(--brown-500); }
h1, h2, h3 { line-height: 1.35; letter-spacing: 0.01em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 5.4vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); font-weight: 800; }
h3 { font-size: 1.1rem; font-weight: 700; }
p  { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 246, 239, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--brown-900);
}
.brand-name { font-size: 1.1rem; letter-spacing: 0.02em; }
.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a { font-size: 0.94rem; color: var(--brown-900); }
.nav-cta {
  background: var(--brown-500);
  color: var(--white) !important;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 700;
}
.nav-cta:hover { background: var(--brown-700); color: var(--white) !important; }
@media (max-width: 640px) {
  .nav-links a:not(.nav-cta) { display: none; }
}

/* ---- Hero ---- */
.hero {
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(245, 197, 24, 0.18), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--brown-100) 100%);
  padding: 56px 0 64px;
  border-bottom: 1px solid var(--line);
}
.lede-link {
  color: var(--brown-700);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 700;
}
.lede-link:hover { color: var(--brown-500); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  background: rgba(139, 94, 60, 0.1);
  color: var(--brown-700);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  padding: 4px 12px;
  border-radius: 999px;
  margin: 0 0 16px;
  text-transform: uppercase;
}
.hero-copy h1 { color: var(--brown-900); }
.hero-accent {
  background: linear-gradient(120deg, var(--brown-500) 0%, var(--yellow-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
}
.lede {
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  color: var(--text-muted);
  margin: 16px 0 12px;
}
.lede strong { color: var(--brown-900); font-weight: 700; }
.lede-code,
.hero-bullets code,
.feature-card code,
.ai-callout code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  background: var(--brown-100);
  color: var(--brown-900);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  font-weight: 600;
}
.lede-sub {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0 0 22px;
}
.cta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 22px;
}
.cta-secondary {
  display: inline-block;
  padding: 12px 18px;
  border: 2px solid var(--brown-500);
  border-radius: 999px;
  font-weight: 700;
  color: var(--brown-700);
  background: rgba(255, 255, 255, 0.6);
}
.cta-secondary:hover { background: var(--white); }
.hero-bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.hero-bullets li::marker { content: ""; }

/* Play Store badge (custom — Play asset guidelines に沿う公式バッジは後で差し替え) */
.play-badge {
  display: inline-block;
  background: #000;
  color: #fff !important;
  border-radius: 12px;
  padding: 10px 18px 10px 14px;
  text-decoration: none;
  border: 1px solid #000;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
}
.play-badge:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(0, 0, 0, 0.25); color: #fff !important; }
.play-badge-inner { display: inline-flex; align-items: center; gap: 12px; }
.play-icon { width: 30px; height: 30px; }
.play-badge-text { display: inline-flex; flex-direction: column; line-height: 1.15; }
.play-badge-text small { font-size: 0.66rem; letter-spacing: 0.06em; opacity: 0.9; }
.play-badge-text strong { font-size: 1.15rem; font-weight: 700; }
.play-badge-lg { padding: 16px 26px 16px 22px; border-radius: 16px; }
.play-badge-lg .play-icon { width: 36px; height: 36px; }
.play-badge-lg .play-badge-text strong { font-size: 1.4rem; }

/* Hero phone mockup (pure CSS) */
.hero-art { display: flex; justify-content: center; }
.phone-frame {
  width: min(320px, 88%);
  aspect-ratio: 9 / 19;
  background: linear-gradient(180deg, #1f1410 0%, #0f0a07 100%);
  border-radius: 38px;
  padding: 12px;
  box-shadow:
    0 30px 60px rgba(58, 42, 28, 0.32),
    inset 0 0 0 2px rgba(255, 255, 255, 0.05);
  position: relative;
}
.phone-frame::after {
  content: "";
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 18px;
  background: #0a0606;
  border-radius: 999px;
}
.phone-screen {
  background: #fff8ef;
  border-radius: 28px;
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.phone-statusbar { height: 26px; background: linear-gradient(180deg, #fff8ef, #f1e6d2); }
.phone-appbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--brown-500);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
}
.phone-pdfbtn {
  background: var(--yellow);
  color: #2b1d12;
  border-radius: 8px;
  padding: 2px 8px;
  font-size: 0.7rem;
}
.phone-cardlist {
  flex: 1;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
}
.phone-card {
  background: #fff;
  border: 1px solid #ead8be;
  border-radius: 10px;
  padding: 8px;
  display: flex;
  gap: 8px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.03);
}
.phone-card.memo { background: #fff8e3; border-color: #ecd97a; }
.phone-card.drag {
  transform: translateX(4px) rotate(-1.2deg);
  box-shadow: 0 8px 18px rgba(58, 42, 28, 0.22);
  border-color: var(--yellow);
}
.phone-photo {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, #c58c5e 0%, #8b5e3c 60%, #4d3320 100%);
  position: relative;
  flex-shrink: 0;
}
.phone-photo.alt { background: linear-gradient(135deg, #b9d4a6 0%, #6b8c5a 100%); }
.phone-photo.dim { background: linear-gradient(135deg, #8390a4 0%, #2f3a4d 100%); }
.phone-cardtext {
  font-size: 0.72rem;
  line-height: 1.4;
  color: #2b1d12;
}
.phone-cardtext b { font-size: 0.78rem; }
.phone-cardtext span { color: #6a5848; }
.phone-fab {
  display: flex;
  justify-content: space-around;
  padding: 10px;
  background: rgba(255, 248, 239, 0.95);
  border-top: 1px solid #eadbc2;
}
.fab-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--yellow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 10px rgba(245, 197, 24, 0.4);
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-art { order: 2; }
  .hero-copy { order: 1; }
}

/* ---- Reveal-on-scroll (opt-in via JS) ---- */
/* Default: fully visible — crawlers, JS-off, reduced-motion users see all. */
/* JS only adds .is-reveal-init when it intends to animate. */
.is-reveal-init {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
  will-change: opacity, transform;
}
.is-reveal-init.is-revealed {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .is-reveal-init { opacity: 1; transform: none; transition: none; }
}

/* ---- Sections ---- */
.section { padding: 72px 0; }
.section + .section { border-top: 1px solid var(--line); }
.section h2 { color: var(--brown-900); text-align: center; }
.section-lede {
  text-align: center;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 36px;
}

/* Pain */
.pain { background: #fff; }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}
.pain-card {
  background: var(--brown-100);
  border-radius: var(--radius);
  padding: 24px 22px;
  text-align: center;
}
.pain-icon { font-size: 2rem; margin-bottom: 6px; }
.pain-card h3 { color: var(--brown-900); }
.pain-card p { color: var(--text-muted); margin: 0; font-size: 0.95rem; }

/* Flow */
.flow { background: var(--cream); }
.flow-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  counter-reset: flow;
}
.flow-step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow);
}
.flow-num {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--yellow);
  color: var(--brown-900);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-weight: 800;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 10px rgba(245, 197, 24, 0.4);
}
.flow-icon { font-size: 2.4rem; margin: 6px 0 10px; }
.flow-step h3 { color: var(--brown-900); }
.flow-step p { color: var(--text-muted); margin: 0; font-size: 0.95rem; }

/* Features */
.features { background: #fff; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature-card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--line);
}
.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(245, 197, 24, 0.18);
  color: var(--brown-700);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.feature-card h3 { color: var(--brown-900); }
.feature-card p { color: var(--text-muted); margin: 0; font-size: 0.95rem; }

/* Usecases */
.usecases { background: var(--cream); }
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.usecase {
  background: #fff;
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid var(--line);
  text-align: center;
}
.usecase-icon {
  font-size: 2.2rem;
  margin-bottom: 8px;
}
.usecase h3 { color: var(--brown-900); }
.usecase p { color: var(--text-muted); margin: 0; font-size: 0.92rem; }

/* Story */
.story { background: #fff; }
.story-inner {
  max-width: 760px;
  text-align: center;
}
.story-body {
  color: var(--text-muted);
  font-size: 1.02rem;
  line-height: 1.95;
  text-align: left;
  background: var(--brown-100);
  padding: 26px;
  border-radius: var(--radius);
  border-left: 4px solid var(--yellow);
}
.story-body strong { color: var(--brown-900); }

/* Pricing */
.pricing { background: #fff; }
.pricing-inner { max-width: 980px; }
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 28px;
  align-items: stretch;
}
.price-card {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow);
}
.price-card.price-pro {
  background:
    radial-gradient(500px 250px at 80% 0%, rgba(245, 197, 24, 0.18), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--brown-100) 100%);
  border-color: var(--brown-500);
  border-width: 2px;
}
.price-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--yellow);
  color: var(--brown-900);
  font-weight: 800;
  font-size: 0.78rem;
  padding: 5px 12px;
  border-radius: 999px;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 10px rgba(58, 42, 28, 0.15);
}
.price-card-head h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--brown-900);
  margin: 0 0 4px;
}
.price-card-sub {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 18px;
}
.price-card-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0 0 4px;
  color: var(--brown-900);
}
.price-amount {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.1;
}
.price-period {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 600;
}
.price-card-alt {
  margin: 0 0 14px;
  color: var(--text-muted);
  font-size: 0.88rem;
}
.price-card-features {
  list-style: none;
  padding: 0;
  margin: 14px 0 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.price-card-features li {
  font-size: 0.96rem;
  color: var(--text);
  line-height: 1.55;
}
.price-card-features li.price-card-note {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 6px;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}
.price-card-cta {
  display: block;
  text-align: center;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
  border: 1.5px solid var(--brown-500);
  color: var(--brown-700) !important;
  background: transparent;
  transition: background .15s ease, color .15s ease;
}
.price-card-cta:hover {
  background: var(--brown-100);
  color: var(--brown-900) !important;
}
.price-card-cta-primary {
  background: var(--brown-500);
  color: var(--white) !important;
  border-color: var(--brown-500);
}
.price-card-cta-primary:hover {
  background: var(--brown-700);
  color: var(--white) !important;
}
.pricing-fineprint {
  margin: 24px auto 0;
  max-width: 780px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.7;
}
@media (max-width: 720px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .price-card { padding: 24px 20px; }
  .price-amount { font-size: 1.9rem; }
  .price-badge { right: 16px; }
}

/* AI Flow — 最大の差別化セクション */
.ai-flow {
  background:
    radial-gradient(900px 480px at 100% 0%, rgba(245, 197, 24, 0.16), transparent 60%),
    radial-gradient(700px 380px at 0% 100%, rgba(139, 94, 60, 0.10), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--brown-100) 100%);
  position: relative;
  overflow: hidden;
}
.ai-flow h2 { text-align: center; }
.ai-eyebrow {
  display: block;
  text-align: center;
  background: linear-gradient(120deg, var(--brown-700), var(--brown-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0 0 10px;
}
.ai-flow .section-lede {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.ai-flow .section-lede strong { color: var(--brown-900); }
.ai-flow .section-lede em { font-style: normal; color: var(--brown-700); font-weight: 700; }

.ai-steps {
  list-style: none;
  margin: 36px 0 40px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: stretch;
}
.ai-step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}
.ai-step-num {
  position: absolute;
  top: -12px;
  left: 16px;
  background: var(--brown-500);
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(139, 94, 60, 0.35);
}
.ai-step-final .ai-step-num {
  background: linear-gradient(135deg, var(--yellow-dark), var(--brown-500));
}
.ai-step-icon {
  font-size: 1.9rem;
  line-height: 1;
  margin-bottom: 2px;
}
.ai-step h3 {
  color: var(--brown-900);
  margin: 0 0 2px;
  font-size: 1rem;
}
.ai-step p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
}
.ai-step code {
  background: var(--brown-100);
  color: var(--brown-900);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.85em;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-weight: 600;
}
.ai-step-arrow {
  align-self: center;
  font-size: 1.6rem;
  color: var(--brown-500);
  font-weight: 700;
  user-select: none;
  list-style: none;
}
.ai-step-arrow::marker { content: ""; }

.ai-llms {
  margin: 26px auto 28px;
  max-width: 880px;
  text-align: center;
}
.ai-llms-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin: 0 0 12px;
  font-weight: 600;
}
.ai-llms-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}
.ai-llm {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px 8px 8px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--brown-900);
  box-shadow: 0 2px 8px rgba(58, 42, 28, 0.06);
}
.ai-llm-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  color: #fff;
  font-weight: 800;
  font-size: 0.78rem;
  line-height: 1;
}
.ai-llm-chatgpt .ai-llm-mark { background: #10a37f; }
.ai-llm-gemini  .ai-llm-mark { background: linear-gradient(135deg, #4285f4, #9b72cb); }
.ai-llm-claude  .ai-llm-mark { background: #d97757; }
.ai-llm-other   .ai-llm-mark { background: var(--brown-500); }

.ai-callout {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  max-width: 820px;
  margin: 0 auto;
  box-shadow: var(--shadow);
}
.ai-callout h3 {
  color: var(--brown-900);
  font-size: 1.15rem;
  margin: 0 0 10px;
  text-align: center;
}
.ai-callout p {
  color: var(--text-muted);
  margin: 0 0 10px;
  font-size: 0.96rem;
  line-height: 1.75;
}
.ai-callout p:last-child { margin-bottom: 0; }
.ai-callout strong { color: var(--brown-900); }
.ai-callout-sub {
  font-size: 0.92rem !important;
  border-top: 1px dashed var(--line);
  padding-top: 12px;
  margin-top: 14px !important;
}
.ai-strength {
  background: linear-gradient(120deg, var(--brown-500), var(--yellow-dark));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@media (max-width: 860px) {
  .ai-steps {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .ai-step-arrow {
    transform: rotate(90deg);
    align-self: center;
    margin: -4px 0;
  }
}
@media (max-width: 560px) {
  .ai-callout { padding: 22px 18px; border-radius: 14px; }
  .ai-llm { font-size: 0.9rem; padding: 6px 14px 6px 6px; }
  .ai-llm-mark { width: 22px; height: 22px; font-size: 0.72rem; }
}

/* FAQ inline code block */
.faq-code {
  margin: 8px 22px 12px;
  padding: 12px 14px;
  background: var(--brown-900);
  color: #f5e3c8;
  border-radius: 10px;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.55;
}
.faq-code code {
  background: transparent !important;
  color: inherit !important;
  padding: 0 !important;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

/* CTA */
.cta {
  background:
    radial-gradient(700px 400px at 50% 0%, rgba(245, 197, 24, 0.25), transparent 60%),
    linear-gradient(180deg, var(--brown-500) 0%, var(--brown-700) 100%);
  color: #fff;
  text-align: center;
}
.cta h2 { color: #fff; }
.cta p { color: #f8eedf; max-width: 560px; margin: 0 auto 22px; }
.cta-inner .play-badge { background: #fff; color: #000 !important; border-color: #fff; }
.cta-inner .play-badge:hover { color: #000 !important; }
.cta-inner .play-badge-text small { color: #444; }
.cta-inner .play-badge-text strong { color: #000; }
.cta-sub { font-size: 0.88rem; opacity: 0.85; margin-top: 18px; }

/* FAQ */
.faq { background: var(--cream); }
.faq-inner { max-width: 820px; }
.faq-list {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-item > summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 48px 18px 22px;
  font-weight: 700;
  color: var(--brown-900);
  position: relative;
  line-height: 1.5;
}
.faq-item > summary::-webkit-details-marker { display: none; }
.faq-item > summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--brown-500);
  transition: transform .2s ease;
}
.faq-item[open] > summary::after {
  content: "−";
}
.faq-item > p {
  margin: 0;
  padding: 0 22px 20px;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.75;
}
.faq-item > p code {
  background: var(--brown-100);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
.faq-item > p strong { color: var(--brown-900); }
.faq-item > .faq-bullets {
  margin: 0 0 12px;
  padding: 0 22px 0 44px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}
.faq-item > .faq-bullets li { margin-bottom: 6px; }
.faq-item > .faq-bullets strong { color: var(--brown-900); }

/* Footer */
.site-footer {
  background: var(--brown-900);
  color: #e9d8c0;
  padding: 36px 0 28px;
}
.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: #fff;
  margin: 0;
}
.footer-links {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 18px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.footer-links a { color: #f5e3c8; font-size: 0.9rem; }
.footer-links a:hover { color: #fff; }
.footer-copy { margin: 0; font-size: 0.82rem; opacity: 0.7; }
.footer-publisher {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  font-size: 0.82rem;
  opacity: 0.7;
  text-align: center;
}
.footer-publisher a { color: #f5e3c8; text-decoration: underline; }
.footer-publisher a:hover { color: #fff; }

@media (max-width: 860px) {
  .pain-grid,
  .flow-grid,
  .feature-grid,
  .usecase-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 560px) {
  .section { padding: 56px 0; }
  .pain-grid,
  .flow-grid,
  .feature-grid,
  .usecase-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-links { justify-content: center; }
}