/* ============================================================
   main.css — Section-level styles: Kinetic Bento
   ============================================================ */

/* ============================================================
   カスタムカーソル
   ============================================================ */
.cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width var(--duration-fast) var(--easing-spring),
              height var(--duration-fast) var(--easing-spring),
              background var(--duration-fast) var(--easing-standard),
              opacity var(--duration-fast) var(--easing-standard);
  will-change: transform;
}

.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border: 1.5px solid rgba(59, 130, 246, 0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width 0.15s var(--easing-out-expo),
              height 0.15s var(--easing-out-expo),
              border-color var(--duration-fast) var(--easing-standard),
              opacity var(--duration-fast) var(--easing-standard);
  will-change: transform;
}

.cursor-dot.cursor--hover,
.cursor-ring.cursor--hover {
  width: 48px;
  height: 48px;
  background: transparent;
  border-color: var(--accent-blue);
  mix-blend-mode: screen;
}

.cursor-dot.cursor--hover {
  width: 4px;
  height: 4px;
  background: var(--accent-blue);
}

@media (hover: none) {
  .cursor-dot,
  .cursor-ring {
    display: none;
  }
}

/* ============================================================
   グラデーションメッシュ背景（全体の背景）
   ============================================================ */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(circle at 15% 20%, rgba(59, 130, 246, 0.22), transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(236, 72, 153, 0.13), transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(6, 182, 212, 0.16), transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(139, 92, 246, 0.1), transparent 40%);
  animation: mesh-drift 60s ease-in-out infinite;
  will-change: background-position;
}

@keyframes mesh-drift {
  0%   { background-position: 0% 0%, 100% 0%, 50% 100%, 70% 60%; }
  25%  { background-position: 5% 15%, 90% 10%, 40% 90%, 65% 55%; }
  50%  { background-position: 10% 30%, 80% 20%, 55% 80%, 75% 65%; }
  75%  { background-position: 5% 15%, 88% 12%, 45% 88%, 68% 58%; }
  100% { background-position: 0% 0%, 100% 0%, 50% 100%, 70% 60%; }
}

@media (prefers-reduced-motion: reduce) {
  .bg-mesh {
    animation: none;
  }
}

/* SVG ノイズオーバーレイ */
.bg-noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.035;
  pointer-events: none;
}

/* ============================================================
   §1 FIRST VIEW（FV）— Kinetic Hero
   ============================================================ */
.fv {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

/* 巨大背景テキスト */
.fv__watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-family-display);
  font-size: clamp(8rem, 20vw, 22rem);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-extreme);
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.04);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  will-change: transform;
  transition: transform var(--duration-slow) var(--easing-standard);
}

.fv__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding-block: var(--space-20);
}

@media (min-width: 1024px) {
  .fv__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
  }
}

/* アイコバー */
.fv__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
  color: var(--text-muted);
}

.fv__eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent-blue);
}

/* ステータスインジケータ */
.fv__status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-wide);
  color: var(--text-muted);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-bottom: var(--space-5);
}

.fv__status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ADE80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.7);
  animation: pulse-anim 2s ease-in-out infinite;
  flex-shrink: 0;
}

/* メインコピー */
.fv__headline {
  font-family: var(--font-family-display);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--text-heading);
  margin-bottom: var(--space-5);
}

.fv__headline-en {
  display: block;
  font-size: var(--font-size-hero);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-extreme);
  line-height: 0.9;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-4);
}

.fv__headline-jp {
  display: block;
  color: var(--text-heading);
  font-size: var(--font-size-2xl);
}

.fv__sub {
  font-size: var(--font-size-md);
  color: var(--text-muted);
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-8);
}

/* 分岐ボタン（glass card 内） */
.fv__branch-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
}

.fv__branch-label {
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.fv__branch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.branch-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-4);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  transition: all var(--duration-normal) var(--easing-spring);
  cursor: pointer;
  text-align: center;
}

.branch-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.branch-btn:hover,
.branch-btn[aria-expanded="true"] {
  border-color: var(--accent-blue);
  color: var(--text-primary);
  background: rgba(59, 130, 246, 0.08);
  box-shadow: 0 0 20px var(--glow-blue);
  transform: translateY(-2px);
}

.branch-btn--support:hover,
.branch-btn--support[aria-expanded="true"] {
  border-color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.08);
  box-shadow: 0 0 20px var(--glow-cyan);
  color: var(--accent-cyan);
}

.branch-btn--course:hover,
.branch-btn--course[aria-expanded="true"] {
  border-color: var(--accent-magenta);
  background: rgba(236, 72, 153, 0.08);
  box-shadow: 0 0 20px var(--glow-magenta);
  color: var(--accent-magenta);
}

/* 展開パネル */
.fv__panels {
  margin-top: var(--space-4);
}

.fv-panel {
  display: none;
}

.fv-panel.is-open {
  display: block;
  animation: panel-open var(--duration-slow) var(--easing-out-expo);
}

@keyframes panel-open {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .fv-panel.is-open {
    animation: none;
  }
}

.fv-panel__inner {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.fv-panel__title {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-5);
  line-height: var(--line-height-snug);
}

.fv-panel__title-icon {
  flex-shrink: 0;
  color: var(--accent-cyan);
}

.fv-panel__title-icon svg {
  fill: currentColor;
}

.fv-panel__features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.fv-panel-feature {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.fv-panel-feature__icon {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: transparent;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  display: block;
  margin-bottom: var(--space-2);
}

.fv-panel-feature__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.fv-panel-feature__text {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  line-height: var(--line-height-normal);
}

/* FV右側：Bento ミニグリッド */
.fv__bento {
  display: none;
}

@media (min-width: 1024px) {
  .fv__bento {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto;
    gap: var(--space-4);
  }
}

.fv-bento-hero {
  grid-column: 1 / -1;
  background: rgba(59, 130, 246, 0.06);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.fv-bento-hero__num {
  font-family: var(--font-family-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  letter-spacing: var(--letter-spacing-tight);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.fv-bento-hero__label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-family: var(--font-family-display);
  letter-spacing: var(--letter-spacing-wide);
}

.fv-bento-small {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.fv-bento-small:nth-child(2n) {
  border-color: rgba(6, 182, 212, 0.2);
  background: rgba(6, 182, 212, 0.04);
}

.fv-bento-small__num {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  color: var(--text-heading);
}

.fv-bento-small__label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

/* FV スクロールインジケータ */
.fv__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  z-index: 1;
}

.fv__scroll-label {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
  color: var(--text-muted);
  animation: scroll-blink 2.5s ease-in-out infinite;
}

.fv__scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent-blue), transparent);
  animation: scroll-line 2.5s ease-in-out infinite;
}

@keyframes scroll-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@media (prefers-reduced-motion: reduce) {
  .fv__scroll-label,
  .fv__scroll-line {
    animation: none;
  }
}

/* ============================================================
   §2 ABOUT — Bento Grid 4×3
   ============================================================ */
.section--about {
  background: transparent;
}

.about-bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .about-bento {
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: auto auto auto;
  }
}

/* 大カード（メインメッセージ）*/
.about-bento__main {
  padding: var(--space-8);
}

@media (min-width: 768px) {
  .about-bento__main {
    grid-column: 1 / 4;
    grid-row: 1 / 3;
  }
}

.about-bento__main-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.about-bento__main-icon svg {
  width: 24px;
  height: 24px;
  fill: #fff;
}

.about-bento__main h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-heading);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-4);
}

.about-bento__main p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-loose);
}

/* KPI カード */
.about-bento__kpi {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

@media (min-width: 768px) {
  .about-bento__kpi:nth-of-type(2) { grid-column: 4 / 6; grid-row: 1; }
  .about-bento__kpi:nth-of-type(3) { grid-column: 6 / 7; grid-row: 1; }
}

/* 中カード */
.about-bento__mid {
  padding: var(--space-6);
}

@media (min-width: 768px) {
  .about-bento__mid:nth-of-type(4) { grid-column: 4 / 7; grid-row: 2; }
}

/* 小カード x3 */
.about-bento__point {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 768px) {
  .about-bento__row {
    grid-column: 1 / -1;
    grid-row: 3;
    display: contents;
  }

  .about-bento__point:nth-of-type(5) { grid-column: 1 / 3; grid-row: 3; }
  .about-bento__point:nth-of-type(6) { grid-column: 3 / 5; grid-row: 3; }
  .about-bento__point:nth-of-type(7) { grid-column: 5 / 7; grid-row: 3; }
}

.about-point-num {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-widest);
  color: var(--accent-blue);
  opacity: 0.7;
}

.about-point-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.about-point-text {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  line-height: var(--line-height-normal);
}

/* ============================================================
   §3 COURSES — Bento 3×3
   ============================================================ */
.section--courses {
  background: transparent;
}

.courses-bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 1024px) {
  .courses-bento {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    align-items: start;
  }
}

.courses-bento__tabs {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 1024px) {
  .courses-bento__tabs {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .courses-bento__stats {
    grid-column: 2;
    grid-row: 1;
  }

  .courses-bento__cta {
    grid-column: 2;
    grid-row: 2;
  }
}

/* コースの統計 bento */
.courses-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: var(--space-3);
  height: 100%;
}

.courses-stat-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.courses-stat-card:first-child {
  grid-column: 1 / -1;
  background: rgba(59, 130, 246, 0.06);
  border-color: rgba(59, 130, 246, 0.2);
}

.courses-stat-num {
  font-family: var(--font-family-display);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.courses-stat-num sup {
  font-size: 0.45em;
}

.courses-stat-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

.courses-bento__cta-card {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.courses-bento__cta-text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-snug);
}

/* ============================================================
   §4 SUPPORT — Sticky Pin Scroll Narrative
   ============================================================ */
.section--support {
  position: relative;
  background: transparent;
}

.support-pin-wrapper {
  position: relative;
  min-height: 200vh;
}

.support-sticky {
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
  overflow: hidden;
}

@media (min-width: 768px) {
  .support-sticky {
    grid-template-columns: 1fr 1fr;
  }
}

.support-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-right: var(--space-4);
}

.support-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  transition: all var(--duration-normal) var(--easing-standard);
  cursor: default;
}

.support-step.is-active {
  background: var(--bg-glass);
  border-color: var(--accent-blue);
  box-shadow: 0 0 20px var(--glow-blue);
}

.support-step__num {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-wide);
  color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  flex-shrink: 0;
}

.support-step__content h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.support-step__content p {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  line-height: var(--line-height-normal);
}

/* Support visual panel */
.support-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.support-card-display {
  width: 100%;
  max-width: 360px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--duration-slow) var(--easing-out-expo);
}

.support-card-display__icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.3);
}

.support-card-display__icon svg {
  width: 32px;
  height: 32px;
  fill: #fff;
}

.support-card-display__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text-heading);
  margin-bottom: var(--space-3);
}

.support-card-display__text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: var(--line-height-loose);
}

.support-card-display__step {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-widest);
  color: var(--accent-blue);
  opacity: 0.6;
}

/* サポートフォールバック（non-JS）*/
.support-grid-fallback {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
}

.support-item {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--duration-normal) var(--easing-standard);
}

.support-item:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 0 24px var(--glow-blue);
  transform: translateY(-4px);
}

.support-item__icon {
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--accent-blue);
}

.support-item__icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.support-item__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.support-item__text {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  line-height: var(--line-height-normal);
}

.support__cta {
  margin-top: var(--space-12);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.support__cta-text {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
}

/* ============================================================
   §5 CASES
   ============================================================ */
.section--cases {
  background: transparent;
}

/* ============================================================
   §6 PRICING
   ============================================================ */
.section--pricing {
  background: transparent;
}

/* ============================================================
   §7 NEWS
   ============================================================ */
.section--news {
  background: transparent;
}

/* ============================================================
   §8 FAQ
   ============================================================ */
.section--faq {
  background: transparent;
}

/* ============================================================
   §9 CONTACT CTA
   ============================================================ */
.contact-cta {
  position: relative;
  padding-block: clamp(5rem, 10vw, 10rem);
  overflow: hidden;
  text-align: center;
}

.contact-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.15), transparent 60%),
    radial-gradient(circle at 70% 50%, rgba(6, 182, 212, 0.1), transparent 60%);
  pointer-events: none;
}

.contact-cta__watermark {
  position: absolute;
  bottom: -5%;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-family-display);
  font-size: clamp(6rem, 18vw, 18rem);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-extreme);
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.03);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.contact-cta__eyebrow {
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: var(--space-4);
}

.contact-cta__title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-heading);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-5);
}

.contact-cta__sub {
  font-size: var(--font-size-md);
  color: var(--text-muted);
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-10);
}

.contact-cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.contact-cta__tel {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-heading);
}

.contact-cta__tel a {
  color: inherit;
}

.contact-cta__tel a:hover {
  color: var(--accent-cyan);
}

.contact-cta__tel-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  letter-spacing: var(--letter-spacing-wide);
  margin-top: var(--space-1);
}

/* ============================================================
   水平スライドする背景テキスト（スクロール連動）
   ============================================================ */
.slide-text-container {
  overflow: hidden;
  pointer-events: none;
  user-select: none;
  margin-block: var(--space-12);
  position: relative;
}

.slide-text {
  display: flex;
  gap: var(--space-8);
  white-space: nowrap;
  will-change: transform;
}

.slide-text__word {
  font-family: var(--font-family-display);
  font-size: var(--font-size-jumbo);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-extreme);
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.06);
  line-height: 0.9;
  flex-shrink: 0;
}

[data-theme="light"] .slide-text__word {
  -webkit-text-stroke: 1px rgba(0, 0, 0, 0.06);
}

/* ============================================================
   セクション番号見出し（追加スタイル）
   ============================================================ */
.section__chapter-label {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.section__chapter-num {
  font-family: var(--font-family-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
  color: transparent;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  opacity: 0.5;
  flex-shrink: 0;
}

.section__chapter-line {
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

.section__chapter-en {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ============================================================
   kinetic typography アンカー（scramble target）
   ============================================================ */
.scramble-text {
  display: inline-block;
  cursor: default;
}

/* variable font weight target */
.vf-weight {
  font-variation-settings: "wght" 400;
  transition: font-variation-settings 0.3s ease;
}

/* ============================================================
   メインコンテンツスキップリンク
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  background: var(--accent-blue);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: top var(--duration-fast);
}

.skip-link:focus {
  top: var(--space-4);
}