/* ===========================================================
   CRJ WEB — index.css
   トップページ専用: 粒子球体 / ヒーロー / stats / samples /
   services概要 / flow概要 / final CTA
   =========================================================== */

/* ===========================================================
   粒子球体背景 (ヒーローの奥)
   =========================================================== */
.bg-sphere {
  position: fixed;
  top: 0;
  right: 0;
  width: 60%;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

.bg-sphere canvas {
  width: 100% !important;
  height: 100% !important;
}

/* 白背景と粒子の馴染ませ: 左40% に白→透明グラデ */
.bg-sphere::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, var(--bg) 0%, transparent 100%);
  z-index: 1;
  pointer-events: none;
}

/* ===========================================================
   Hero
   =========================================================== */
.hero {
  max-width: 1280px;
  margin: 0 auto;
  padding: 180px 40px 120px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.hero-label {
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.15em;
  margin-bottom: 40px;
  font-weight: 500;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.9s 0.1s ease-out forwards;
}

.hero-label::before {
  content: "";
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 14px;
}

.hero h1 {
  font-size: clamp(34px, 5.5vw, 76px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 40px;
  max-width: 760px;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.hero h1 .line {
  display: block;
  overflow: hidden;
}

.hero h1 .line span {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  animation: slideUp 0.9s ease-out forwards;
}

.hero h1 .line:nth-child(1) span { animation-delay: 0.25s; }
.hero h1 .line:nth-child(2) span { animation-delay: 0.40s; }
.hero h1 .line:nth-child(3) span { animation-delay: 0.55s; }

.hero h1 .accent {
  color: var(--accent);
  font-weight: 500;
  position: relative;
  /* 下線は ::after で描画(スケールアニメ用) */
}

.hero h1 .accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.08em;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  animation: expandLine 0.9s 1.3s ease-out forwards;
}

.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  max-width: 620px;
  line-height: 1.8;
  margin-bottom: 48px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.9s 0.8s ease-out forwards;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.9s 1.0s ease-out forwards;
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 40px;
  font-size: 11px;
  color: var(--fg-subtle);
  letter-spacing: 0.2em;
  font-weight: 500;
  opacity: 0;
  animation: fadeUp 1s 1.6s ease-out forwards;
}

.scroll-indicator::after {
  content: "";
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, var(--fg-subtle), transparent);
  margin: 10px auto 0 12px;
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { transform: scaleY(1);   opacity: 0.8; }
  50%      { transform: scaleY(0.4); opacity: 0.3; }
}

/* ===========================================================
   Stats Section
   =========================================================== */
.stats-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 100px 40px;
  border-top: 1px solid var(--line);
}

.section-head {
  margin-bottom: 64px;
}

.kicker {
  font-size: 12px;
  color: var(--fg-subtle);
  letter-spacing: 0.15em;
  margin-bottom: 14px;
  font-weight: 500;
}

.section-title {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
  max-width: 780px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 48px;
}

.stat-label {
  font-size: 11px;
  color: var(--fg-subtle);
  letter-spacing: 0.12em;
  margin-bottom: 16px;
  font-weight: 600;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  /* 1行ラベル/2行ラベルが混在してもボーダー位置を揃える */
  min-height: 50px;
}

.stat-value {
  font-size: 56px;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 14px;
}

.stat-value .unit {
  font-size: 22px;
  color: var(--fg-muted);
  margin-left: 4px;
}

.stat-value .pre {
  font-size: 22px;
  color: var(--fg-muted);
  margin-right: 2px;
}

.stat-desc {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===========================================================
   Campaign Banner (トップ用)
   =========================================================== */
.campaign-banner-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 40px 0;
}

.campaign-banner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 28px;
  background: var(--fg);
  color: #fff;
  border-radius: 10px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.campaign-banner:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -14px rgba(17, 17, 17, 0.4);
}

.campaign-banner-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  padding: 6px 12px;
  background: var(--accent);
  border-radius: 4px;
  flex-shrink: 0;
}

.campaign-banner-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.campaign-banner-text strong {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.005em;
}

.campaign-banner-text span {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.campaign-banner-arrow {
  font-size: 20px;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.campaign-banner:hover .campaign-banner-arrow {
  transform: translateX(4px);
}

/* ===========================================================
   Samples
   =========================================================== */
.samples {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 40px 120px;
}

.samples-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 64px;
}

.samples-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.sample {
  color: var(--fg);
  display: flex;
  flex-direction: column;
}

.sample-thumb {
  aspect-ratio: 16 / 10;
  width: 100%;
  border-radius: 4px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
  transition: transform 0.5s ease;
  background: var(--bg-alt);
}

.sample:hover .sample-thumb {
  transform: translateY(-6px);
}

/* 実サムネ画像: 常に 4:3 のカバーで統一 */
.sample-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.5s ease;
}

.sample:hover .sample-img {
  transform: scale(1.03);
}

.sample-thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 70%, rgba(0, 0, 0, 0.12) 100%);
  z-index: 1;
  pointer-events: none;
}

.sample-thumb::after {
  content: "SAMPLE";
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--fg-muted);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  padding: 4px 9px;
  border-radius: 3px;
  z-index: 2;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.sample-meta {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--fg-subtle);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  font-weight: 500;
}

.sample-title {
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 8px;
  letter-spacing: -0.005em;
  line-height: 1.4;
  transition: color 0.25s ease;
}

.sample:hover .sample-title {
  color: var(--accent);
}

.sample-desc {
  font-size: 12.5px;
  color: var(--fg-muted);
  line-height: 1.8;
}

.sample-note {
  font-size: 11px;
  color: var(--fg-subtle);
  margin-top: 40px;
  text-align: center;
  letter-spacing: 0.05em;
}

/* ===========================================================
   Services Overview
   =========================================================== */
.services-overview {
  max-width: 1280px;
  margin: 0 auto;
  padding: 100px 40px;
  border-top: 1px solid var(--line);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.service-card {
  padding: 40px 32px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.service-card:hover {
  border-color: var(--fg);
  transform: translateY(-4px);
}

.service-card.is-featured {
  background: var(--fg);
  color: #fff;
  border-color: var(--fg);
}

.service-card.is-featured .service-badge {
  color: var(--accent);
  border-color: rgba(224, 74, 48, 0.4);
}

.service-card.is-featured .service-price,
.service-card.is-featured .service-name {
  color: #fff;
}

.service-card.is-featured .service-feat {
  color: rgba(255, 255, 255, 0.75);
  border-top-color: rgba(255, 255, 255, 0.15);
}

.service-card.is-featured .service-feat li::before {
  background: var(--accent);
}

.service-card.is-featured .service-link {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.service-card.is-featured .service-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.service-badge {
  font-size: 10px;
  letter-spacing: 0.2em;
  font-weight: 600;
  color: var(--fg-subtle);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 4px 10px;
  align-self: flex-start;
}

.service-name {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.service-price {
  font-size: 38px;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
}

.service-price .pre,
.service-price .unit {
  font-size: 18px;
  color: var(--fg-muted);
}

.service-card.is-featured .service-price .pre,
.service-card.is-featured .service-price .unit {
  color: rgba(255, 255, 255, 0.6);
}

.service-feat {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.7;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.service-feat li {
  position: relative;
  padding-left: 18px;
}

.service-feat li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--fg-subtle);
}

.service-link {
  margin-top: auto;
  font-size: 13px;
  color: var(--fg);
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
  align-self: flex-start;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.service-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ===========================================================
   Flow Overview
   =========================================================== */
.flow-overview {
  max-width: 1280px;
  margin: 0 auto;
  padding: 100px 40px;
  border-top: 1px solid var(--line);
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 24px;
  position: relative;
  /* <ol> のデフォルト番号(1. 2. 3. …)を解除。STEP ラベルと二重になるため。 */
  list-style: none;
  padding-left: 0;
  margin-left: 0;
}

.flow-steps::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
  z-index: 0;
}

.flow-step {
  position: relative;
  z-index: 1;
  background: var(--bg);
  padding-right: 12px;
}

.flow-step-num {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--fg-subtle);
  font-weight: 600;
  background: var(--bg);
  padding-right: 16px;
  margin-bottom: 18px;
  display: inline-block;
}

.flow-step-num::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fg);
  margin-right: 10px;
  vertical-align: middle;
  transform: translateY(-1px);
}

.flow-step-title {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.flow-step-desc {
  font-size: 12px;
  color: var(--fg-muted);
  line-height: 1.7;
}

.flow-foot {
  margin-top: 56px;
  display: flex;
  justify-content: flex-end;
}

/* ===========================================================
   Final CTA
   =========================================================== */
.final-cta {
  max-width: 1280px;
  margin: 0 auto;
  padding: 140px 40px 160px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.final-cta-kicker {
  font-size: 12px;
  color: var(--fg-subtle);
  letter-spacing: 0.2em;
  font-weight: 500;
  margin-bottom: 28px;
}

.final-cta-title {
  font-size: clamp(32px, 4.5vw, 60px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 32px;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta-sub {
  font-size: 15px;
  color: var(--fg-muted);
  max-width: 520px;
  margin: 0 auto 48px;
  line-height: 1.8;
}

.final-cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===========================================================
   Responsive (index)
   =========================================================== */
@media (max-width: 900px) {
  .campaign-banner-section {
    padding: 24px 24px 0;
  }

  .campaign-banner {
    flex-wrap: wrap;
    gap: 12px;
    padding: 18px 20px;
  }

  .campaign-banner-text strong {
    font-size: 15px;
  }

  .campaign-banner-text span {
    font-size: 12px;
  }

  .bg-sphere {
    width: 100%;
    opacity: 0.4;
  }

  .bg-sphere::before {
    display: none;
  }

  .hero {
    padding: 120px 24px 80px;
  }

  /* モバイルでは SCROLL インジケータを非表示
     (ヒーローCTAボタンの「料金プランを見る」と重なるため) */
  .scroll-indicator {
    display: none;
  }

  .stats-section,
  .services-overview,
  .flow-overview {
    padding: 60px 24px;
  }

  .samples {
    padding: 20px 24px 60px;
  }

  .final-cta {
    padding: 80px 24px 100px;
  }

  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 20px;
  }

  /* 数字セクション:2カラム時の幅に合わせて縮小(折り返し防止) */
  .stat-label {
    min-height: 46px;
  }

  .stat-value {
    font-size: 38px;
    margin-bottom: 10px;
    white-space: nowrap;
  }

  .stat-value .unit,
  .stat-value .pre {
    font-size: 13px;
  }

  .stat-desc {
    font-size: 12px;
  }

  .samples-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .samples-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .services-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .flow-steps {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .flow-steps::before {
    display: none;
  }

  .flow-step {
    padding-right: 0;
    padding-left: 20px;
    border-left: 1px solid var(--line);
  }
}

@media (max-width: 600px) {
  .samples-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .sample-title {
    font-size: 19px;
  }

  .sample-desc {
    font-size: 13px;
  }
}

/* 狭いモバイル(〜400px):hero見出し・stat-value 等をさらに縮小 */
@media (max-width: 400px) {
  .hero h1 {
    font-size: 30px;
  }

  .stat-value {
    font-size: 30px;
  }

  .stat-value .unit,
  .stat-value .pre {
    font-size: 11px;
  }

  .stats-section,
  .services-overview,
  .flow-overview,
  .samples {
    padding-left: 20px;
    padding-right: 20px;
  }
}