/* firefly.css - Adobe Firefly  inspired / Azuki AI トップ リデザイン
   大きな文字・白/黒/グレーの洗練・角丸ブロック・余白を効かせる */

/* ========== デザインシステム（ヘッダー色を各所に使用） ========== */
.lp--firefly {
  --ff-bg: #000000;
  --ff-surface: #ffffff;
  --ff-surface-alt: #f5f5f7;
  --ff-text: #1d1d1f;
  --ff-text-on-dark: #f5f5f7;
  --ff-text-muted: #6e6e73;
  --ff-radius: 24px;
  --ff-radius-lg: 32px;
  --ff-space: clamp(2rem, 5vw, 4rem);
  --ff-space-lg: clamp(4rem, 10vw, 8rem);
  --ff-space-xl: clamp(6rem, 14vw, 12rem);
  --ff-container: min(1280px, 100% - clamp(1.5rem, 4vw, 3rem));
  --ff-font: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  --ff-title-hero: clamp(3.25rem, 10vw, 7rem);
  --ff-title-section: clamp(2rem, 5vw, 3.5rem);
  /* Section1・2・4の大見出し（旧ヒーロー相当） */
  --ff-title-section-large: clamp(2.5rem, 8vw, 5.5rem);
  --ff-lead: clamp(1rem, 1.5vw, 1.25rem);
  --ff-body: clamp(0.9375rem, 1.2vw, 1.0625rem);
  /* ヘッダー由来の色を各所に */
  --ff-header-bg: #304866;
  --ff-primary: #aa0000;
  --ff-accent: #ffd1ee;
  --ff-accent-pink: #ffd1ee;
}

/* ========== レスポンシブ：タイトル・余白（Mobile First のブレークポイント） ========== */
@media (max-width: 767px) {
  .lp--firefly {
    --ff-title-hero: clamp(2rem, 10vw, 4rem);
    --ff-title-section-large: clamp(1.75rem, 8vw, 3.25rem);
  }
  .ff-hero {
    padding: clamp(3rem, 8vh, 5rem) clamp(1rem, 4vw, 1.5rem) var(--ff-space);
  }
  .ff-hero__title {
    line-height: 1.2;
  }
  .ff-solution__title-nowrap {
    white-space: normal;
  }
  .ff-whitepaper__title {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .ff-whitepaper__lead {
    padding-left: 1rem;
    padding-right: 1rem;
    font-size: clamp(0.9375rem, 2.5vw, 1.125rem);
  }
}

@media (max-width: 480px) {
  .lp--firefly {
    --ff-title-hero: clamp(1.75rem, 12vw, 3rem);
    --ff-title-section-large: clamp(1.5rem, 10vw, 2.75rem);
  }
  .ff-whitepaper-card {
    width: min(640px, 85vw);
  }
}

/* ========== リセット（Firefly LP のみ） ========== */
.lp--firefly {
  background: var(--ff-surface-alt);
}

.lp--firefly .main--firefly {
  padding: 0;
  padding-top: 0;
}

/* ヘッダーは style.css の元仕様を使用（Firefly用オーバーライドなし） */

/* ========== Hero（フルブリード画像 or 黒） ========== */
.ff-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ff-bg);
  padding: clamp(5rem, 12vh, 8rem) var(--ff-space) var(--ff-space-xl);
}

.ff-hero--img .ff-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.ff-hero--img .ff-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.ff-hero--img .ff-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.7) 100%);
}

.ff-hero--img .ff-hero__inner {
  position: relative;
  z-index: 2;
}

.ff-hero__inner {
  width: 100%;
  max-width: var(--ff-container);
  margin: 0 auto;
  text-align: left;
  transition: opacity 0.12s ease-out;
  transform: translateY(25vh);
}

.ff-hero__kicker {
  font-size: var(--ff-lead);
  color: var(--ff-accent-pink);
  margin: 0 0 1rem;
  letter-spacing: 0.02em;
}

.ff-hero__title {
  font-family: var(--ff-font);
  font-size: var(--ff-title-hero);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ff-text-on-dark);
  margin: 0 0 1.5rem;
}

.ff-hero__lead {
  font-size: var(--ff-lead);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 2.5rem;
  max-width: 36em;
}

.ff-hero__cta {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--ff-primary);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease;
}

.ff-hero__cta:hover {
  background: var(--ff-accent);
  transform: scale(1.02);
  text-decoration: none;
  color: var(--ff-primary);
}

/* ヒーロー右下: Peter Senge の引用 */
.ff-hero__quote {
  position: absolute;
  right: clamp(1rem, 4vw, 2.5rem);
  bottom: clamp(1.5rem, 5vh, 2.5rem);
  z-index: 2;
  margin: 0;
  max-width: 28em;
  font-size: clamp(0.875rem, 1.5vw, 1.0625rem);
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  text-align: right;
}

.ff-hero__quote-en {
  display: block;
  font-style: italic;
  white-space: nowrap;
}

.ff-hero__quote-ja {
  display: block;
  margin-top: 0.2em;
  font-size: 0.95em;
  color: rgba(255, 255, 255, 0.7);
}

.ff-hero__quote-author {
  display: block;
  margin-top: 0.35em;
  font-style: normal;
  font-size: 0.9em;
  color: var(--ff-accent-pink);
}

/* ========== 動画 CTA ブロック（横幅最大・パディングなし） ========== */
.ff-block.ff-block--video {
  padding: 0 !important;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
}

.ff-block.ff-block--video .ff-block__inner {
  width: 100%;
  max-width: none;
  padding: 0 !important;
  margin: 0;
}

.ff-video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 85vh;
  overflow: hidden;
}

.ff-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.ff-video__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(48, 72, 102, 0.15) 100%);
  pointer-events: none;
}

/* 動画再生終了後に浮き上がる CTA */
.ff-video-cta {
  position: absolute;
  left: 50%;
  bottom: 15%;
  transform: translate(-50%, 0);
  z-index: 2;
  text-align: center;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease, transform 0.5s ease, visibility 0.5s ease;
  pointer-events: auto;
}

.ff-video-cta.ff-video-cta--visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

.ff-video-cta__lead {
  margin: 0 0 1rem;
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--ff-text-on-dark);
}

.ff-video-cta__btn {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--ff-primary);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.ff-video-cta__btn:hover {
  background: var(--ff-accent);
  color: var(--ff-primary);
  transform: scale(1.05);
  text-decoration: none;
}

/* ========== Block 共通（背景の色分けのみ・囲みなし） ========== */
.ff-block {
  padding: var(--ff-space-xl) var(--ff-space);
}

.ff-block__inner {
  max-width: var(--ff-container);
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2rem);
}

/* セクションは背景色だけ */
.ff-block--light {
  background: var(--ff-surface-alt);
}

.ff-block--gray {
  background: var(--ff-surface);
}

.ff-block--dark {
  background: var(--ff-bg);
}

/* 各コンテンツを角丸で囲む（テキストブロック） */
.ff-block__content {
  background: var(--ff-surface);
  border-radius: var(--ff-radius-lg);
  padding: var(--ff-space-lg);
  margin-bottom: var(--ff-space);
}

.ff-block--gray .ff-block__content {
  background: var(--ff-surface-alt);
}

.ff-block--dark .ff-block__content {
  background: rgba(255, 255, 255, 0.06);
}

.ff-block__content .ff-block__title:first-child {
  margin-top: 0;
}

.ff-block__content .ff-cta {
  margin-bottom: 0;
}

.ff-block__title {
  font-family: var(--ff-font);
  font-size: var(--ff-title-section);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
}

.ff-block--light .ff-block__title,
.ff-block--gray .ff-block__title {
  color: var(--ff-text);
}

.ff-block--dark .ff-block__title {
  color: var(--ff-text-on-dark);
}

.ff-block__lead {
  font-size: var(--ff-lead);
  line-height: 1.7;
  margin: 0 0 var(--ff-space);
}

.ff-block--light .ff-block__lead,
.ff-block--gray .ff-block__lead {
  color: var(--ff-text-muted);
}

.ff-block--dark .ff-block__lead {
  color: rgba(255, 255, 255, 0.8);
}

.ff-block__body {
  font-size: var(--ff-body);
  line-height: 1.75;
  margin: 0 0 var(--ff-space);
}

.ff-block--light .ff-block__body,
.ff-block--gray .ff-block__body {
  color: var(--ff-text);
}

.ff-block__title strong,
.ff-block__lead strong {
  font-weight: 700;
  color: var(--ff-primary);
}

.ff-block--dark .ff-block__lead strong {
  color: var(--ff-accent-pink);
}

/* ========== Section3: 組織の考える力（サブタイトル・小見出し・読みやすく） ========== */
.ff-section--roi .ff-block__content {
  max-width: 52em;
  margin-left: auto;
  margin-right: auto;
}

.ff-roi__kicker {
  font-size: clamp(0.875rem, 1.2vw, 1rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ff-primary);
  margin: 0 0 0.5rem;
  font-weight: 600;
}

.ff-roi__title {
  margin-top: 0;
  margin-bottom: 1rem;
}

.ff-roi__lead {
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  line-height: 1.7;
  color: var(--ff-text);
  font-weight: 600;
  margin: 0 0 var(--ff-space);
  padding-bottom: var(--ff-space);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.ff-roi__subheading {
  font-size: clamp(1rem, 1.3vw, 1.125rem);
  font-weight: 700;
  color: var(--ff-primary);
  margin: var(--ff-space) 0 0.75rem;
  line-height: 1.4;
}

.ff-roi__subheading:first-of-type {
  margin-top: 0;
}

.ff-roi__body {
  margin: 0 0 var(--ff-space);
  line-height: 1.85;
  color: var(--ff-text);
}

.ff-roi__img {
  margin: 0 0 var(--ff-space);
  border-radius: var(--ff-radius);
  overflow: hidden;
}

.ff-roi__img img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.ff-roi__refs {
  list-style: none;
  padding-left: 0;
  margin: calc(var(--ff-space) * -0.5) 0 var(--ff-space) 25%;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--ff-text-muted);
}

.ff-roi__ref {
  margin-bottom: 0.35rem;
}

.ff-roi__ref:last-child {
  margin-bottom: 0;
}

.ff-roi__ref a {
  color: var(--ff-primary);
  text-decoration: none;
}

.ff-roi__ref a:hover {
  text-decoration: underline;
}

.ff-roi__outro {
  font-size: var(--ff-lead);
  font-weight: 600;
  margin: var(--ff-space) 0 var(--ff-space);
  color: var(--ff-text);
}

.ff-roi .ff-cta {
  margin-bottom: 0;
}

.ff-block__visual {
  margin-top: var(--ff-space);
  border-radius: var(--ff-radius);
  overflow: hidden;
  background: var(--ff-surface-alt);
}

.ff-block__visual img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.ff-block__visual--wide img {
  aspect-ratio: 16 / 9;
  object-position: center;
}

/* ========== Section1: Firefly「Three up」構成（枠なし・見出し＋リード＋3カード画像付き） ========== */
/* 下の余白をセクション上部（見出しの上）と同じ量に */
.ff-section--threeup.ff-block {
  padding-bottom: var(--ff-space-xl);
}

/* 広い幅のとき：テキストは全幅（囲まれない）、カードだけ中央コンテナ */
.ff-section--threeup .ff-block__inner {
  display: grid;
  grid-template-columns: 1fr min(100%, var(--ff-container)) 1fr;
  gap: 0;
  max-width: none;
  padding-left: clamp(1rem, 3vw, 2rem);
  padding-right: clamp(1rem, 3vw, 2rem);
}

.ff-section--threeup .ff-block__title,
.ff-section--threeup .ff-block__lead {
  grid-column: 1 / -1;
}

.ff-section--threeup .ff-cards {
  grid-column: 2;
  /* 01.02.03の下の余白＝見出し上の余白と同じ */
  margin-bottom: var(--ff-space-xl);
}

/* Section1: 12カード・下からゆっくりフェードイン */
.ff-section--threeup .ff-card {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.ff-section--threeup .ff-card.ff-card--visible {
  opacity: 1;
  transform: translateY(0);
}

.ff-section--threeup .ff-card.ff-card--visible:hover {
  transition-duration: 0.2s;
}

.ff-section--threeup .ff-card:nth-child(1) { transition-delay: 0s; }
.ff-section--threeup .ff-card:nth-child(2) { transition-delay: 0.06s; }
.ff-section--threeup .ff-card:nth-child(3) { transition-delay: 0.12s; }
.ff-section--threeup .ff-card:nth-child(4) { transition-delay: 0.18s; }
.ff-section--threeup .ff-card:nth-child(5) { transition-delay: 0.24s; }
.ff-section--threeup .ff-card:nth-child(6) { transition-delay: 0.3s; }
.ff-section--threeup .ff-card:nth-child(7) { transition-delay: 0.36s; }
.ff-section--threeup .ff-card:nth-child(8) { transition-delay: 0.42s; }
.ff-section--threeup .ff-card:nth-child(9) { transition-delay: 0.48s; }
.ff-section--threeup .ff-card:nth-child(10) { transition-delay: 0.54s; }
.ff-section--threeup .ff-card:nth-child(11) { transition-delay: 0.6s; }
.ff-section--threeup .ff-card:nth-child(12) { transition-delay: 0.66s; }

.ff-section--threeup .ff-block__title {
  font-size: var(--ff-title-section-large);
  margin-bottom: 0.75rem;
  text-align: center;
}

.ff-section--threeup .ff-block__lead {
  margin-bottom: var(--ff-space-lg);
  text-align: center;
}

/* Section1 最下部の注釈（フォントは .ff-block__lead と同じ） */
.ff-section--threeup__note {
  grid-column: 1 / -1;
  margin-top: var(--ff-space);
  margin-bottom: 0;
  text-align: center;
}

/* 狭い幅では従来どおり単一カラム */
@media (max-width: 767px) {
  .ff-section--threeup .ff-block__inner {
    display: block;
    max-width: var(--ff-container);
    margin: 0 auto;
  }

  .ff-section--threeup .ff-cards {
    grid-column: unset;
  }
}

/* ========== 3カラムカード ========== */
.ff-cards {
  display: grid;
  gap: var(--ff-space);
  margin-bottom: 0;
}

.ff-cards--three {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .ff-cards--three {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ff-card {
  padding: var(--ff-space);
  background: var(--ff-surface-alt);
  border-radius: var(--ff-radius);
  transition: transform 0.2s ease;
}

/* Section1: 画像とテキストを分離（画像＝正方形・角丸・大きく／テキスト＝囲まない） */
.ff-card--split {
  padding: 0;
  background: none;
  border-radius: 0;
  box-shadow: none;
}

.ff-card--split .ff-card__img {
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 400px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--ff-radius-lg);
}

@media (min-width: 768px) {
  .ff-card--split .ff-card__img {
    max-width: 480px;
  }
}

.ff-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.ff-card--split .ff-card__text {
  margin-top: 1.25rem;
  padding: 0;
  background: none;
  border: none;
}

.ff-card:hover {
  transform: translateY(-2px);
}

.ff-card--split:hover .ff-card__img {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

/* Section1: 画像に赤アクセント点滅（常時） */
.ff-section--threeup .ff-card--split .ff-card__img {
  position: relative;
  animation: ff-blink-accent 2s ease-in-out infinite;
}

@keyframes ff-blink-accent {
  0%, 100% {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08), 0 0 0 0 rgba(170, 0, 0, 0);
  }
  50% {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08), 0 0 0 4px var(--ff-primary), 0 0 24px rgba(170, 0, 0, 0.5);
  }
}

.ff-card__num {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ff-primary);
  margin-bottom: 0.75rem;
}

.ff-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--ff-text);
}

.ff-card__body {
  font-size: var(--ff-body);
  line-height: 1.7;
  color: var(--ff-text-muted);
  margin: 0;
}

/* ========== Section2: 再設計（azuki-unit下に01.02.03画像左・テキスト右・スクロールで上書き） ========== */
.ff-section--solution.ff-block--gray {
  background: var(--ff-surface);
  padding-bottom: var(--ff-space);
}

/* 左カラム幅（01.02.03 画像・約25%拡大） */
.ff-section--solution {
  --ff-solution-col: minmax(200px, 500px);
}
@media (min-width: 768px) {
  .ff-section--solution {
    --ff-solution-col: minmax(320px, 600px);
  }
}

.ff-solution__grid {
  display: grid;
  grid-template-columns: var(--ff-solution-col) 1fr;
  grid-template-rows: auto auto auto auto;
  gap: var(--ff-space) var(--ff-space-lg);
  align-items: start;
  margin-bottom: var(--ff-space);
}
@media (max-width: 767px) {
  .ff-solution__grid {
    grid-template-columns: 1fr;
  }
}

/* 1行目: タイトル・3ステップ（Azuki Suite は下のバーに独立） */
.ff-solution__header {
  grid-column: 1 / -1;
  padding-bottom: 0.5rem;
}

.ff-solution__title-wrap {
  padding: 0;
  background: none;
  border: none;
  min-width: 0;
  overflow: visible;
}

.ff-solution__title {
  font-size: var(--ff-title-section-large);
  margin-bottom: 1rem;
  max-width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.ff-solution__title-nowrap {
  white-space: nowrap;
}

/* Section2タイトル: 狭い幅で確実に表示・改行とフォント縮小 */
@media (max-width: 767px) {
  .ff-solution__title-wrap {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .ff-solution__title {
    font-size: clamp(1.25rem, 6vw, 3rem);
  }
}

@media (max-width: 480px) {
  .ff-solution__title {
    font-size: clamp(1.125rem, 7vw, 2.25rem);
  }
}

.ff-solution__steps {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ff-primary);
  margin: 0;
}

/* Azuki Suite: バー状・右から左へ流れる・Section1と同じ灰・全幅・sticky */
.ff-solution__suite-bar {
  grid-column: 1 / -1;
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-bottom: var(--ff-space);
  padding: 1.5rem 0;
  overflow: hidden;
  background: var(--ff-surface-alt);
  color: var(--ff-primary);
  position: sticky;
  top: 80px;
  z-index: 10;
  box-sizing: border-box;
}

.ff-solution__suite-track {
  display: flex;
  width: max-content;
  animation: ff-suite-flow 25s linear infinite;
}

.ff-solution__suite-strip {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 2rem;
  padding: 0 2rem;
  flex-shrink: 0;
}

.ff-solution__suite-text {
  font-family: "Bungee", sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  white-space: nowrap;
  color: var(--ff-primary);
}

@keyframes ff-suite-flow {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .ff-solution__suite-track {
    animation: none;
  }
  .ff-section--threeup .ff-card {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* 01.02.03 行: 画像左・テキスト右・スクロールで上書き・左右パディング約3倍・中央寄せ */
.ff-solution__row {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: var(--ff-solution-col) 1fr;
  gap: var(--ff-space) var(--ff-space-lg);
  align-items: start;
  text-decoration: none;
  color: inherit;
  position: sticky;
  top: 80px;
  padding: var(--ff-space) clamp(6rem, 18vw, 14rem);
  margin-left: auto;
  margin-right: auto;
  max-width: min(1600px, 100%);
  width: 100%;
  box-sizing: border-box;
  background: var(--ff-surface);
  z-index: 1;
  transform-origin: center center;
}
.ff-solution__row:first-of-type {
  z-index: 1;
}
.ff-solution__row:nth-of-type(2) {
  z-index: 2;
}
.ff-solution__row:last-of-type {
  z-index: 3;
}
@media (max-width: 767px) {
  .ff-solution__row {
    grid-template-columns: 1fr;
    top: 60px;
  }
}

.ff-solution__img {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--ff-radius-lg);
}
@media (min-width: 768px) {
  .ff-solution__img {
    max-width: 600px;
  }
}
.ff-solution__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.ff-solution__text {
  padding: 0;
}
.ff-solution__text .ff-card__num {
  margin-bottom: 0.75rem;
}
.ff-solution__text .ff-card__body {
  margin: 0;
}

/* 01.02.03 テキスト下部: 大きな GO ▶ ボタン */
.ff-solution__go {
  display: inline-block;
  margin-top: var(--ff-space);
  padding: 1rem 2.5rem;
  font-family: "Bungee", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 400;
  color: var(--ff-surface);
  background: var(--ff-primary);
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.ff-solution__row:hover .ff-solution__go {
  background: var(--ff-accent);
  color: var(--ff-primary);
}

.ff-solution__row:active .ff-solution__go {
  transform: scale(0.98);
}

/* Section2 サービス名: Azuki Red + Bungee・改行なしで1行表示 */
.ff-section--solution .ff-card__title {
  font-family: "Bungee", sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--ff-primary);
  margin: 0 0 0.5rem;
  white-space: nowrap;
}

@media (max-width: 767px) {
  .ff-section--solution .ff-card__title {
    white-space: normal;
  }
}

.ff-solution__row:hover .ff-card__title {
  color: var(--ff-accent);
}

/* ========== Stack（他セクション用: 画像 + 縦カード・角丸1ブロック） ========== */
.ff-stack {
  margin-top: 0;
  background: var(--ff-surface-alt);
  border-radius: var(--ff-radius-lg);
  overflow: hidden;
}

.ff-stack__visual {
  border-radius: var(--ff-radius-lg) var(--ff-radius-lg) 0 0;
  overflow: hidden;
  aspect-ratio: 1;
  max-width: 480px;
  margin: 0 auto 0 0;
}

.ff-stack__visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.ff-stack__cards {
  display: grid;
  gap: 1rem;
  margin-top: 0;
  padding: var(--ff-space);
}

.ff-stack-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--ff-space);
  align-items: start;
  padding: var(--ff-space);
  background: var(--ff-surface);
  border-radius: var(--ff-radius);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ff-stack-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  color: inherit;
}

.ff-stack-card__num {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ff-primary);
  margin-bottom: 0.25rem;
}

.ff-stack-card__name {
  font-size: 1.375rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--ff-primary);
  transition: color 0.2s ease;
}

.ff-stack-card:hover .ff-stack-card__name {
  color: var(--ff-accent);
}

.ff-stack-card__body {
  font-size: var(--ff-body);
  line-height: 1.7;
  color: var(--ff-text-muted);
  margin: 0;
}

.ff-stack-card__img {
  width: 120px;
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
}

.ff-stack-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 767px) {
  .ff-stack-card {
    grid-template-columns: 1fr;
  }
  .ff-stack-card__img {
    width: 100%;
    max-width: 200px;
  }
}

/* ========== CTA ボタン ========== */
.ff-cta {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--ff-primary);
  color: var(--ff-surface);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 999px;
  text-decoration: none;
  margin-bottom: var(--ff-space);
  transition: transform 0.2s ease, background 0.2s ease;
}

.ff-cta:hover {
  background: var(--ff-accent);
  transform: scale(1.02);
  color: var(--ff-primary);
  text-decoration: none;
}

.ff-cta--light {
  background: transparent;
  color: var(--ff-accent-pink);
  border: 2px solid var(--ff-accent-pink);
}

.ff-cta--light:hover {
  background: var(--ff-accent-pink);
  color: var(--ff-bg);
  border-color: var(--ff-accent-pink);
}

/* ========== Test セクション（2カラム・角丸で1ブロック） ========== */
.ff-test {
  display: grid;
  gap: 0;
  margin-top: 0;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--ff-radius-lg);
  overflow: hidden;
}

@media (min-width: 768px) {
  .ff-test {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
}

.ff-test__visual {
  border-radius: 0;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  min-height: 200px;
}

@media (min-width: 768px) {
  .ff-test__visual {
    border-radius: var(--ff-radius-lg) 0 0 var(--ff-radius-lg);
    aspect-ratio: auto;
    min-height: 0;
  }
}

.ff-test__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ff-test__list {
  padding: var(--ff-space-lg);
}

@media (min-width: 768px) {
  .ff-test__list {
    padding: var(--ff-space-lg);
  }
}

.ff-test__list ul {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.ff-test__list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: var(--ff-lead);
  line-height: 1.6;
  color: var(--ff-text-on-dark);
}

.ff-test__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ff-accent-pink);
}

/* ========== Section4: ホワイトペーパー誘導（あなたが今すぐ知るべきこと・3カード横流れ） ========== */
.ff-section--whitepaper.ff-block.ff-block--dark {
  background: var(--ff-bg);
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.ff-section--whitepaper .ff-block__inner {
  max-width: none !important;
  width: 100%;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.ff-whitepaper__title {
  font-family: var(--ff-font);
  font-size: var(--ff-title-section-large);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ff-text-on-dark);
  text-align: center;
  margin: 0 0 var(--ff-space);
  padding-left: clamp(1rem, 3vw, 2rem);
  padding-right: clamp(1rem, 3vw, 2rem);
}

.ff-whitepaper__lead {
  font-size: var(--ff-lead);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  margin: 0 0 var(--ff-space-lg);
  padding-left: clamp(1rem, 5vw, 4rem);
  padding-right: clamp(1rem, 5vw, 4rem);
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
}

.ff-whitepaper__track {
  overflow: hidden;
  width: 100%;
  padding: var(--ff-space) 0;
}

.ff-whitepaper__strip {
  display: flex;
  gap: calc(var(--ff-space) / 2);
  width: max-content;
  animation: ff-whitepaper-flow 40s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .ff-whitepaper__strip {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
  }
}

@keyframes ff-whitepaper-flow {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ff-whitepaper-card {
  flex: 0 0 auto;
  width: min(640px, 90vw);
  padding: 0;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--ff-radius-lg);
  color: var(--ff-text-on-dark);
  overflow: hidden;
}

/* 画像エリア：カード内側に余白を設け、画像は4角すべて角丸 */
.ff-whitepaper-card__img {
  width: 100%;
  aspect-ratio: 1 / 1;
  padding: 0.75rem;
  box-sizing: border-box;
  background: transparent;
  overflow: hidden;
}

.ff-whitepaper-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--ff-radius-lg);
  display: block;
}

.ff-whitepaper-card__body-wrap {
  padding: var(--ff-space);
}

.ff-whitepaper-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
  color: var(--ff-text-on-dark);
}

.ff-whitepaper-card__body {
  font-size: var(--ff-body);
  line-height: 1.7;
  margin: 0 0 1rem;
  color: rgba(255, 255, 255, 0.8);
}

.ff-whitepaper-card__list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.ff-whitepaper-card__body-wrap .ff-whitepaper-card__title:first-child {
  margin-top: 0;
}

.ff-whitepaper-card__list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: var(--ff-body);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
}

.ff-whitepaper-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ff-accent-pink);
}

.ff-whitepaper-card__cta {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--ff-primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.ff-whitepaper-card__cta:hover {
  background: var(--ff-accent);
  color: var(--ff-primary);
  text-decoration: none;
}

/* ========== フッター ========== */
.footer--firefly {
  background: var(--ff-bg);
  padding: var(--ff-space-lg) var(--ff-space);
  border: none;
}

.footer--firefly .footer__copy {
  color: var(--ff-text-muted);
  font-size: 0.875rem;
  margin: 0;
}