/* =============================================
 * はたらくAI社員 LP — Styles
 * カラー: 黒 #000000 + 白 #ffffff + アクセント #006eff
 * フォント: Noto Sans JP + DM Sans + Shippori Mincho B1
 * トーン: 信頼感ある toB、alphadrive 風
 * ============================================= */

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* --- Tokens --- */
:root {
  --color-bg: #ffffff;
  --color-text: #000000;
  --color-text-muted: #6b7280;
  --color-accent: #006eff;
  --color-accent-hover: #0056cc;
  --color-accent-light: rgba(0, 110, 255, 0.06);
  --color-border: #e5e7eb;
  --color-section-bg: #fafafa;

  --font-ja: "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-en: "DM Sans", system-ui, sans-serif;
  --font-display: "Shippori Mincho B1", "Noto Serif JP", serif;

  --fs-h1: clamp(2rem, 5vw, 3.75rem);
  --fs-h2: clamp(1.5rem, 3vw, 2.25rem);
  --fs-h3: clamp(1.125rem, 2vw, 1.375rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-micro: 0.75rem;

  --max-width: 1200px;
  --section-py: clamp(72px, 9vw, 112px);
  --content-px: clamp(20px, 5vw, 40px);

  --radius: 6px;
  --transition: 200ms ease;
}

/* --- Base --- */
body {
  font-family: var(--font-ja);
  font-size: var(--fs-body);
  color: var(--color-text);
  background: var(--color-bg);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--content-px);
  padding-right: var(--content-px);
}

/* English label (英日並置 H2 の英語側) */
.h2-en {
  font-family: var(--font-en);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
  display: block;
}

h2.section-title {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.section-lead {
  font-size: var(--fs-h3);
  font-weight: 400;
  margin-top: 16px;
  color: var(--color-text);
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  transition: transform var(--transition), background-color var(--transition), color var(--transition);
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent);
  color: #ffffff;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}
.btn-outline {
  background: #ffffff;
  color: var(--color-text);
  border: 1px solid var(--color-accent);
}
.btn-outline:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
}
.btn-sm {
  padding: 10px 20px;
  font-size: var(--fs-small);
}

/* CTA group with emphasis copy */
.cta-group {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.cta-emphasis {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  font-weight: 400;
}

/* --- Header --- */
.lp-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}
.lp-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.0625rem;
  height: 48px;
}
.logo img {
  height: 100%;
  width: auto;
  display: block;
}
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.footer-brand .logo { height: 48px; }
.header-nav { display: flex; gap: 24px; }
.header-nav a {
  font-size: var(--fs-small);
  color: var(--color-text);
  transition: color var(--transition);
}
.header-nav a:hover { color: var(--color-accent); }

/* --- FV (Box-style hero) --- */
.fv {
  position: relative;
  padding: 100px 0 120px;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: 600px;
}
.fv::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 78%;
  height: 100%;
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, 85% 100%, 0% 100%);
  z-index: 0;
}
.fv .container {
  position: relative;
  z-index: 1;
}
.fv-inner {
  display: flex;
  gap: 40px;
  align-items: center;
}
.fv-left { flex: 1; min-width: 0; }
.fv-right { flex: 0 0 440px; }

/* 2-line label-style headline */
.fv-h1-wrap {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.fv-h1-line {
  display: inline-block;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.02em;
  padding: 10px 18px;
  border-radius: 12px;
}
.fv-h1-d1 { background: #ffffff; color: var(--color-accent); }
.fv-h1-d2 { background: #000000; color: #ffffff; }

.fv-lead {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 28px;
  line-height: 1.8;
  font-weight: 500;
}
.fv-lead strong { color: #ffffff; font-weight: 800; }

/* 3 つの丸要素 (CTA 上、コンパクト化) */
.fv-features {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.fv-feature {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.45);
  padding: 4px 12px 4px 4px;
  border-radius: 100px;
  line-height: 1;
}
.fv-feature-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ffffff;
  color: var(--color-accent);
  font-weight: 800;
  font-family: var(--font-en);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  flex-shrink: 0;
}
.fv-feature-text {
  font-size: 0.85rem;
  color: #ffffff;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.fv-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.fv-cta-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.fv-cta-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
/* Box CTA labels on dark/blue backgrounds */
.fv .fv-cta-label,
.final-cta .fv-cta-label {
  color: rgba(255, 255, 255, 0.95);
}

/* Box-style buttons (yellow primary + white secondary, pill, 立体感) */
.btn-box-primary,
.btn-box-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 32px;
  font-size: 1.05rem;
  border-radius: 60px;
  transition: all 0.15s;
  text-decoration: none;
  cursor: pointer;
  border: none;
  white-space: nowrap;
  min-width: 260px;
  box-sizing: border-box;
}
.btn-box-primary {
  background: #ffff00;
  color: #000;
  font-weight: 800;
  box-shadow: 0 6px 0 #c7c700, 0 6px 20px rgba(255, 255, 0, 0.25);
}
.btn-box-primary:hover {
  background: #ffff00;
  transform: translateY(2px);
  box-shadow: 0 3px 0 #c7c700, 0 3px 12px rgba(255, 255, 0, 0.2);
}
.btn-box-primary:active {
  transform: translateY(4px);
  box-shadow: 0 1px 0 #c7c700;
}
.btn-box-secondary {
  background: #ffffff;
  color: #1a1a2e;
  font-weight: 700;
  box-shadow: 0 6px 0 #ccc, 0 6px 20px rgba(0, 0, 0, 0.08);
}
.btn-box-secondary:hover {
  transform: translateY(2px);
  box-shadow: 0 3px 0 #ccc, 0 3px 12px rgba(0, 0, 0, 0.06);
}
.btn-box-secondary:active {
  transform: translateY(4px);
  box-shadow: 0 1px 0 #ccc;
}

/* FV right — animation (human + AI working together) */
.fv-animation {
  background: #ffffff;
  border-radius: 16px;
  padding: 32px 24px 24px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  max-width: 440px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  min-height: 260px;
  position: relative;
}

.character {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 80px;
  flex-shrink: 0;
}
.character .head {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #1a1a2e;
  margin-bottom: 4px;
  position: relative;
}
.character .body {
  width: 66px;
  height: 88px;
  background: #1a1a2e;
  border-radius: 33px 33px 6px 6px;
  position: relative;
}
.character .body::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 3px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 2px;
}
.character .label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-top: 10px;
  letter-spacing: 0.04em;
}

/* AI character — blue, glowing eye */
.character.ai .head {
  background: var(--color-accent);
  animation: ai-glow 2.5s ease-in-out infinite;
}
.character.ai .head::after {
  content: '';
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 4px;
  background: #ffffff;
  border-radius: 2px;
  animation: ai-eye 2.5s ease-in-out infinite;
}
.character.ai .body { background: var(--color-accent); }
.character.ai .body::before { background: rgba(255, 255, 255, 0.5); }
.character.ai .label { color: var(--color-accent); }

@keyframes ai-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 110, 255, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(0, 110, 255, 0); }
}
@keyframes ai-eye {
  0%, 90%, 100% { transform: translateX(-50%) scaleY(1); }
  95% { transform: translateX(-50%) scaleY(0.1); }
}

/* Docs flying between human and AI */
.docs {
  position: relative;
  flex: 1;
  height: 140px;
  margin: 0 4px;
  align-self: center;
}
.arrow-line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,110,255,0.3) 20%, rgba(0,110,255,0.3) 80%, transparent);
  transform: translateY(-50%);
}

.doc {
  width: 32px;
  height: 44px;
  background: #ffffff;
  border: 1.5px solid #d0d4da;
  border-radius: 4px;
  position: absolute;
  top: 50%;
  left: 0;
  margin-top: -22px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  opacity: 0;
  transform: rotate(0deg);
}
.doc::before, .doc::after {
  content: '';
  position: absolute;
  left: 4px;
  right: 4px;
  height: 2px;
  background: #d0d4da;
  border-radius: 1px;
}
.doc::before { top: 8px; }
.doc::after { top: 14px; box-shadow: 0 4px 0 #d0d4da, 0 8px 0 #d0d4da; }

.doc-1 { animation: doc-flow 4.5s ease-in-out infinite; }
.doc-2 { animation: doc-flow 4.5s ease-in-out infinite 1.5s; }
.doc-3 { animation: doc-flow 4.5s ease-in-out infinite 3s; }

@keyframes doc-flow {
  0%   { left: 0;
         transform: rotate(-4deg);
         opacity: 0;
         background: #ffffff;
         border-color: #d0d4da; }
  12%  { opacity: 1; }
  45%  { left: calc(100% - 32px);
         transform: rotate(0deg);
         opacity: 1;
         background: #ffffff;
         border-color: #d0d4da; }
  55%  { left: calc(100% - 32px);
         transform: rotate(2deg) translateY(-2px);
         background: #e6f0ff;
         border-color: var(--color-accent); }
  85%  { left: calc(100% - 32px);
         transform: rotate(3deg) translateY(-4px);
         opacity: 1;
         background: #ffffff;
         border-color: #d0d4da; }
  100% { left: calc(100% - 32px);
         transform: rotate(3deg) translateY(-4px);
         opacity: 0;
         background: #ffffff;
         border-color: #d0d4da; }
}

/* --- Sections --- */
.section {
  padding: var(--section-py) 0;
}
.section-alt { background: var(--color-section-bg); }
.section-header {
  text-align: center;
  margin-bottom: clamp(48px, 6vw, 72px);
}

/* --- Problem / Solution / Benefit (3-col cards) --- */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color var(--transition);
}
.card:hover { border-color: var(--color-accent); }
.card-num {
  display: inline-block;
  font-family: var(--font-en);
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.card-title {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.5;
}
.card-body {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* Section main copy (sub-headline under H2) */
.section-main-copy {
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  font-weight: 700;
  text-align: center;
  margin: 32px auto 64px;
  max-width: 720px;
  line-height: 1.6;
}
.section-main-copy .accent { color: var(--color-accent); }


/* --- Solution scene (協働アニメーション・全体) --- */
.solution-scene {
  position: relative;
  margin: 32px auto 80px;
  max-width: 960px;
  background: linear-gradient(135deg, #f4f7fc 0%, #ffffff 70%);
  border-radius: 16px;
  border: 1px solid var(--color-border);
  padding: 56px 32px 48px;
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  align-items: center;
  gap: 16px;
  overflow: hidden;
  min-height: 360px;
}
.scene-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
  z-index: 1;
}
.scene-character { position: relative; }
.scene-label {
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
  color: var(--color-text);
  margin-top: 12px;
}
.scene-label span {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 4px;
}
.scene-label.ai-label { color: var(--color-accent); }

/* 思考バブル */
.thought-bubble {
  position: relative;
  background: #ffffff;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: bubble-float 2.5s ease-in-out infinite;
  margin-bottom: 24px;
}
.thought-bubble::before,
.thought-bubble::after {
  content: '';
  position: absolute;
  left: 50%;
  background: #ffffff;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
}
.thought-bubble::before { bottom: -10px; margin-left: -4px; width: 8px; height: 8px; }
.thought-bubble::after { bottom: -20px; margin-left: -2px; width: 5px; height: 5px; }
.bulb {
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: bulb-glow 1.5s ease-in-out infinite;
}
@keyframes bubble-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-5px); }
}
@keyframes bulb-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 110, 255, 0.5); }
  50%      { box-shadow: 0 0 0 8px rgba(0, 110, 255, 0); }
}

/* 中央: タスクのやり取り */
.scene-flow {
  height: 100%;
  justify-content: center;
  gap: 56px;
}
.flow-track {
  position: relative;
  width: 100%;
  height: 32px;
}
.flow-track::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(0,110,255,0.2) 15%, rgba(0,110,255,0.2) 85%, transparent 100%);
}
.flow-label {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.flow-up .flow-label {
  top: auto;
  bottom: -18px;
  color: var(--color-accent);
}
.task-icon {
  position: absolute;
  top: 0;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: #ffffff;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  opacity: 0;
  z-index: 1;
}
.t-down { animation: task-go-right 5s ease-in-out infinite; }
.t-down-1 { animation-delay: 0s; }
.t-down-2 { animation-delay: 1.6s; }
.t-down-3 { animation-delay: 3.2s; }
@keyframes task-go-right {
  0%   { opacity: 0; left: 0; }
  10%  { opacity: 1; left: 5%; }
  50%  { opacity: 1; left: calc(100% - 32px); }
  60%  { opacity: 0; left: calc(100% - 32px); }
  100% { opacity: 0; left: calc(100% - 32px); }
}
.t-up {
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
  font-weight: 800;
  font-size: 0.85rem;
  animation: task-go-left 5s ease-in-out infinite;
}
.t-up-1 { animation-delay: 2.5s; }
.t-up-2 { animation-delay: 4.5s; }
@keyframes task-go-left {
  0%   { opacity: 0; left: calc(100% - 32px); }
  10%  { opacity: 1; left: calc(95% - 32px); }
  50%  { opacity: 1; left: 0; }
  60%  { opacity: 0; left: 0; }
  100% { opacity: 0; left: 0; }
}

/* AI 周辺ツール (orbit) */
.scene-ai { padding: 24px 0; }
.orbit-tools {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -90px;
  margin-left: -90px;
  width: 180px;
  height: 180px;
  pointer-events: none;
  z-index: 0;
}
.orbit-tool {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -16px;
  margin-left: -16px;
  font-size: 0.92rem;
  background: #ffffff;
  border: 1px solid rgba(0, 110, 255, 0.2);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0, 110, 255, 0.08);
  animation: orbit 14s linear infinite;
}
.orbit-tool.t1 { animation-delay: 0s; }
.orbit-tool.t2 { animation-delay: -2.3s; }
.orbit-tool.t3 { animation-delay: -4.6s; }
.orbit-tool.t4 { animation-delay: -7s; }
.orbit-tool.t5 { animation-delay: -9.3s; }
.orbit-tool.t6 { animation-delay: -11.6s; }
@keyframes orbit {
  from { transform: rotate(0deg) translateX(80px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(80px) rotate(-360deg); }
}

/* prefers-reduced-motion 対応 */
@media (prefers-reduced-motion: reduce) {
  .thought-bubble, .bulb, .task-icon, .orbit-tool, .doc { animation: none; }
}

/* レスポンシブ */
@media (max-width: 768px) {
  .solution-scene {
    grid-template-columns: 1fr;
    gap: 32px;
    min-height: auto;
    padding: 40px 24px;
  }
  .scene-flow { gap: 40px; }
  .flow-track { height: 40px; }
  .orbit-tools { margin-top: -75px; margin-left: -75px; width: 150px; height: 150px; }
}

/* --- Benefit (special: keyword + body) --- */
.benefit-card { padding: 48px 32px; text-align: left; }
.benefit-keyword {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 12px;
  line-height: 1;
}
.benefit-subtitle {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.benefit-body { font-size: 0.9375rem; line-height: 1.8; color: var(--color-text-muted); }

/* --- Why us + coverage --- */
/* --- Message section (代表メッセージ) --- */
.message-inner {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 64px;
  align-items: start;
  max-width: 960px;
  margin: 0 auto;
}
.message-left {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.message-portrait {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  background: #ffffff;
}
.message-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.message-signature {
  text-align: center;
}
.message-signature strong {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: 0.04em;
}
.message-signature span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
/* SNS リンク (代表) */
.message-sns {
  display: flex;
  gap: 12px;
  justify-content: center;
  padding-top: 8px;
}
.sns-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}
.sns-link:hover {
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
.sns-link svg {
  width: 16px;
  height: 16px;
}
.sns-link.sns-note { padding: 0; overflow: hidden; }
.sns-link.sns-note svg { width: 28px; height: 28px; }

.message-body { padding-top: 8px; }
.message-h3 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}
.message-body p {
  font-size: 1rem;
  line-height: 1.95;
  margin-bottom: 18px;
}
.message-body p:last-of-type { margin-bottom: 0; }
.message-accent {
  color: var(--color-accent);
  font-weight: 700;
}

@media (max-width: 768px) {
  .message-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .message-portrait {
    max-width: 220px;
    margin: 0 auto;
  }
  .message-h3 { text-align: center; }
}

/* --- Comparison Table --- */
.comparison-wrapper { overflow-x: auto; }
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}
.comparison-table th,
.comparison-table td {
  padding: 20px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}
.comparison-table thead th {
  font-weight: 700;
  background: #ffffff;
}
.comparison-table th.col-ours,
.comparison-table td.col-ours {
  background: var(--color-accent-light);
  color: var(--color-text);
}
.comparison-table thead th.col-ours { color: var(--color-accent); }
.comparison-table tbody th { font-weight: 700; }
.mark { font-size: 1.125rem; font-weight: 700; margin-right: 4px; }
.mark-double { color: var(--color-accent); }
.mark-single { color: var(--color-text); }
.mark-tri { color: var(--color-text-muted); }
.mark-cross { color: #6b7280; }
.comparison-note {
  text-align: center;
  margin-top: 32px;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

/* --- Example cards (6) --- */
.example-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.example-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: border-color var(--transition), transform var(--transition);
}
.example-card:hover { border-color: var(--color-accent); transform: translateY(-2px); }
.example-icon { font-size: 2rem; margin-bottom: 16px; }
.example-title { font-size: 1.0625rem; font-weight: 700; margin-bottom: 20px; }
.example-block { margin-bottom: 16px; }
.example-block-label {
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 8px;
  display: block;
}
.example-list li {
  font-size: 0.875rem;
  padding: 4px 0 4px 16px;
  position: relative;
  color: var(--color-text-muted);
  line-height: 1.7;
}
.example-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 8px;
  height: 1px;
  background: var(--color-text-muted);
}
.example-note { text-align: center; margin-top: 48px; font-size: var(--fs-small); color: var(--color-text-muted); }

/* --- How to use (5 STEP timeline) --- */
.howto-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}
.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  position: relative;
  padding-bottom: 48px;
}
.step:last-child { padding-bottom: 0; }
.step-num-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 1.125rem;
  flex-shrink: 0;
  z-index: 1;
}
.step:not(:last-child) .step-num-wrapper::after {
  content: "";
  position: absolute;
  top: 56px;
  bottom: -16px;
  width: 1px;
  background: var(--color-border);
}
.step-content { padding-top: 8px; }
.step-title { font-size: 1.125rem; font-weight: 700; margin-bottom: 4px; }
.step-time { display: inline-block; font-size: var(--fs-micro); color: var(--color-accent); margin-bottom: 12px; font-family: var(--font-en); }
.step-body { font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.8; }
.step-prep { font-size: 0.8125rem; color: var(--color-text-muted); margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--color-border); }
.step-prep strong { color: var(--color-text); }

/* --- FAQ --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item:first-child { border-top: 1px solid var(--color-border); }
.faq-question {
  width: 100%;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.0625rem;
  font-weight: 700;
  cursor: pointer;
}
.faq-icon {
  width: 24px;
  height: 24px;
  position: relative;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-accent);
  transition: transform var(--transition);
}
.faq-icon::before { top: 11px; left: 0; right: 0; height: 2px; }
.faq-icon::after { left: 11px; top: 0; bottom: 0; width: 2px; }
.faq-item[open] .faq-icon::after { transform: rotate(90deg); }
.faq-answer {
  padding-bottom: 24px;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary { list-style: none; }

/* --- Final CTA --- */
.final-cta {
  background: var(--color-accent);
  color: #ffffff;
  text-align: center;
}
.final-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
}
.final-cta .section-lead { color: rgba(255, 255, 255, 0.92); margin-bottom: 48px; }
.final-cta .btn-primary { background: #ffffff; color: var(--color-accent); }
.final-cta .btn-primary:hover { background: rgba(255, 255, 255, 0.92); }
.final-cta .btn-outline { background: transparent; color: #ffffff; border-color: #ffffff; }
.final-cta .btn-outline:hover { background: rgba(255, 255, 255, 0.1); }
.final-cta .cta-emphasis { color: rgba(255, 255, 255, 0.85); }

/* --- Stream A banner --- */
.stream-a-banner {
  background: var(--color-section-bg);
  padding: 48px 0;
  text-align: center;
}
.stream-a-banner .badge {
  display: inline-block;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin-bottom: 12px;
}
.stream-a-banner h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.stream-a-banner a { color: var(--color-accent); text-decoration: underline; font-size: var(--fs-small); }
.stream-a-banner a:hover { color: var(--color-accent-hover); }

/* --- Footer --- */
.lp-footer {
  padding: 64px 0 32px;
  background: #ffffff;
  border-top: 1px solid var(--color-border);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 12px; }
.footer-tagline { font-size: var(--fs-small); color: var(--color-text-muted); }
.footer-col h4 {
  font-size: var(--fs-small);
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-text); }
.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

/* --- Form modal --- */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal[aria-hidden="false"] { display: flex; }
.modal-card {
  background: #ffffff;
  border-radius: var(--radius);
  padding: 40px;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-close { position: absolute; top: 16px; right: 16px; font-size: 1.5rem; line-height: 1; }
.modal-title { font-size: 1.375rem; font-weight: 700; margin-bottom: 8px; }
.modal-lead { font-size: var(--fs-small); color: var(--color-text-muted); margin-bottom: 24px; }
.form-field { margin-bottom: 20px; }
.form-field label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 700;
  margin-bottom: 6px;
}
.form-field label .required { color: var(--color-accent); margin-left: 4px; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  background: #ffffff;
  transition: border-color var(--transition);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-submit { width: 100%; margin-top: 8px; }

/* --- Reveal animation --- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.in-view { opacity: 1; transform: none; }

/* --- Responsive --- */
@media (max-width: 960px) {
  .header-nav { display: none; }
  .fv { padding: 80px 0 100px; }
  .fv::before { width: 100%; clip-path: none; }
  .fv-inner { flex-direction: column; text-align: center; }
  .fv-right { flex: none; width: 100%; max-width: 440px; }
  .fv-h1-wrap { align-items: center; }
  .fv-cta { justify-content: center; }
  .cards-3 { grid-template-columns: 1fr; }
  .example-grid { grid-template-columns: 1fr; }
  .coverage-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .cta-group { flex-direction: column; align-items: stretch; }
  .cta-block { width: 100%; align-items: center; }
  .btn { width: 100%; }
  .fv { padding: 60px 0 80px; min-height: auto; }
  .fv-h1-line { font-size: 1.4rem; padding: 8px 14px; }
  .fv-lead { font-size: 0.95rem; }
  .btn-box-primary, .btn-box-secondary { padding: 14px 28px; font-size: 0.95rem; }
  .fv-animation { padding: 24px 16px 16px; min-height: 220px; }
  .character { width: 60px; }
  .character .head { width: 34px; height: 34px; }
  .character .body { width: 54px; height: 72px; }
  .footer-top { grid-template-columns: 1fr; }
  .step { grid-template-columns: 56px 1fr; gap: 16px; }
  .step-num { width: 40px; height: 40px; font-size: 0.9375rem; }
}