/* ============================================================
   Top Page Styles
   ============================================================ */

/* ── Section spacing overrides for top page ── */
.section {
  padding: 120px 0;
}

/* ── Hero ── */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + var(--sp-16)) 0 var(--sp-16);
  background: linear-gradient(150deg, #f8faf7 0%, var(--c-bg) 60%, #e8f0e9 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(46,139,87,.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: -60px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(200,162,77,.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: rgba(31,94,59,.08);
  border: 1px solid rgba(31,94,59,.15);
  color: var(--c-primary);
  padding: 6px 14px;
  border-radius: var(--r-full);
  font-size: var(--fs-sm);
  font-weight: 700;
  margin-bottom: var(--sp-6);
  letter-spacing: 0.04em;
}

.hero__title {
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--c-text);
  margin-bottom: var(--sp-6);
  max-width: 800px;
}

.hero__title em {
  font-style: normal;
  color: var(--c-primary);
}

.hero__subtitle {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--c-secondary);
  letter-spacing: .06em;
  margin-bottom: var(--sp-4);
}

.hero__desc {
  font-size: var(--fs-lg);
  color: var(--c-muted);
  line-height: 1.8;
  margin-bottom: var(--sp-8);
  max-width: 560px;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-bottom: var(--sp-12);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-6);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--c-muted);
}

.hero__trust-item::before {
  content: "✓";
  width: 20px;
  height: 20px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ── Stats Bar ── */
.stats-bar {
  background: var(--c-secondary);
  color: #fff;
  padding: var(--sp-8) 0;
}

.stats-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide-x: 1px solid rgba(255,255,255,.2);
}

.stats-bar__item {
  text-align: center;
  padding: var(--sp-4) var(--sp-6);
  border-right: 1px solid rgba(255,255,255,.15);
}

.stats-bar__item:last-child {
  border-right: none;
}

.stats-bar__num {
  font-size: var(--fs-2xl);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--sp-1);
}

.stats-bar__num span {
  color: var(--c-accent);
}

.stats-bar__label {
  font-size: var(--fs-sm);
  opacity: .8;
}

/* ── Services Section ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
}

.service-card {
  background: var(--c-bg-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-8) var(--sp-6);
  transition: border-color var(--tr), box-shadow var(--tr), transform var(--tr);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: var(--sp-4);
  flex-shrink: 0;
}

.service-card__icon--line    { background: rgba(6,199,85,.1); }
.service-card__icon--ai      { background: rgba(200,162,77,.12); }
.service-card__icon--web     { background: rgba(46,139,87,.1); }
.service-card__icon--subsidy { background: rgba(31,94,59,.08); }

.service-card__title {
  font-size: var(--fs-xl);
  color: var(--c-primary);
  margin-bottom: var(--sp-3);
}

.service-card__benefits {
  font-size: var(--fs-sm);
  color: var(--c-muted);
  line-height: 1.7;
  flex: 1;
}

.service-card__benefits li {
  padding: var(--sp-1) 0;
  padding-left: var(--sp-4);
  position: relative;
}

.service-card__benefits li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--c-accent);
  font-weight: 700;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  margin-top: var(--sp-4);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-primary);
  transition: gap var(--tr);
}

.service-card__link:hover {
  gap: var(--sp-2);
}

.service-card__link::after {
  content: "→";
}

/* ── Works Preview ── */
.works-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

/* work-card styles for top page preview (works.css not loaded here) */
.works-preview-grid .work-card {
  background: var(--c-bg-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--tr), box-shadow var(--tr), transform var(--tr);
  text-decoration: none;
  color: inherit;
}

.works-preview-grid .work-card:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.works-preview-grid .work-card__thumb {
  aspect-ratio: 1920 / 1080;
  overflow: hidden;
  background: var(--c-bg);
  position: relative;
}

.works-preview-grid .work-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.works-preview-grid .work-card:hover .work-card__thumb img {
  transform: scale(1.04);
}

.works-preview-grid .work-card__thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  color: var(--c-muted);
  font-size: var(--fs-sm);
  background: linear-gradient(135deg, #e8f0e9, #f4f6f2);
}

.works-preview-grid .work-card__thumb-placeholder .thumb-icon {
  font-size: 36px;
  opacity: .5;
}

.works-preview-grid .work-card__body {
  padding: var(--sp-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.works-preview-grid .work-card__cats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  margin-bottom: var(--sp-3);
}

.works-preview-grid .work-card__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: var(--sp-3);
  line-height: 1.4;
}

.works-preview-grid .work-card__result {
  font-size: var(--fs-sm);
  color: var(--c-muted);
  line-height: 1.6;
  flex: 1;
}

.works-preview-grid .work-card__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--c-border-light);
  font-size: var(--fs-xs);
  color: var(--c-muted);
}

/* ── Partner Section ── */
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-6);
  align-items: center;
  justify-content: center;
  padding: var(--sp-8) 0;
}

.partner-logo-item {
  padding: var(--sp-4) var(--sp-6);
  background: var(--c-bg-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-muted);
  transition: border-color var(--tr);
}

.partner-logo-item:hover {
  border-color: var(--c-secondary);
  color: var(--c-primary);
}

/* ── Process Steps ── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
  padding: var(--sp-6) 0 var(--sp-4);
}

/* 横線: .process-steps padding-top(24) + .process-step padding-top(24) + circle 44px/2(22) = 70px */
.process-steps::before {
  content: "";
  position: absolute;
  top: 70px;
  left: 10%;
  right: 4%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  z-index: 0;
  clip-path: inset(0 calc(100% - var(--timeline-progress-h, 0%)) 0 0);
}

/* 右矢印（横線が伸びきったタイミングでフェードイン） */
.process-steps::after {
  content: "";
  position: absolute;
  top: 64px;
  right: calc(4% - 10px);
  width: 0;
  height: 0;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 10px solid var(--c-accent);
  opacity: var(--arrow-opacity-h, 0);
  transition: opacity 0.3s ease;
  z-index: 2;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--sp-6) var(--sp-2) var(--sp-4);
  position: relative;
  z-index: 1;
}

.process-step__num {
  width: 44px;
  height: 44px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
  font-weight: 700;
  margin-bottom: var(--sp-4);
  box-shadow: 0 0 0 4px var(--c-bg), var(--shadow-sm);
  flex-shrink: 0;
}

.process-step__title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: var(--sp-2);
}

.process-step__desc {
  font-size: 12px;
  color: var(--c-muted);
  line-height: 1.5;
}

/* ── FAQ ── */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.faq-item {
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: box-shadow var(--tr);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  width: 100%;
  text-align: left;
  padding: var(--sp-6);
  font-weight: 700;
  font-size: var(--fs-md);
  color: var(--c-text);
  cursor: pointer;
  transition: background var(--tr);
  background: var(--c-bg-white);
}

.faq-item__question:hover {
  background: var(--c-bg);
}

.faq-item__question::after {
  content: "+";
  font-size: var(--fs-xl);
  color: var(--c-primary);
  font-weight: 400;
  flex-shrink: 0;
  transition: transform var(--tr);
  margin-left: auto;
}

.faq-item.is-open .faq-item__question::after {
  transform: rotate(45deg);
}

.faq-item__answer {
  display: none;
  padding: 0 var(--sp-6) var(--sp-6);
  font-size: var(--fs-md);
  color: var(--c-muted);
  line-height: 1.8;
  background: var(--c-bg-white);
}

.faq-item.is-open .faq-item__answer {
  display: block;
}

/* ── Works Preview Section ── */
.section--works-preview {
  position: relative;
  overflow: hidden;
  background: var(--c-bg-white);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.section--white {
  position: relative;
  overflow: hidden;
}

.polywave-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.polywave-bg canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.section--works-preview .container,
.section--white .container {
  position: relative;
  z-index: 1;
}

/* ── Philosophy: どすんアニメーション ── */

/* 初期状態: 非表示 */
.dosun-head,
.dosun-card,
.dosun-values {
  opacity: 0;
}

/* タイトル落下: 高所から着地 → 潰れてバウンス → 安定 */
@keyframes dosunTitle {
  0%   { opacity: 0; transform: translateY(-100px) scaleY(.8);  filter: blur(8px); }
  55%  { opacity: 1; transform: translateY(14px)   scaleY(1.06); filter: blur(0); }
  70%  { transform: translateY(-7px) scaleY(.97); }
  84%  { transform: translateY(3px)  scaleY(1.01); }
  100% { opacity: 1; transform: translateY(0)     scaleY(1); }
}

/* 着地時の衝撃波ライン */
@keyframes dosunImpact {
  0%   { transform: scaleX(0); opacity: 0; }
  8%   { opacity: .85; }
  100% { transform: scaleX(1); opacity: 0; }
}

/* カード落下: 少し軽めのどすん */
@keyframes dosunCard {
  0%   { opacity: 0; transform: translateY(-60px) scaleY(.88); }
  62%  { opacity: 1; transform: translateY(9px)   scaleY(1.04); }
  78%  { transform: translateY(-4px) scaleY(.98); }
  90%  { transform: translateY(2px)  scaleY(1.01); }
  100% { opacity: 1; transform: translateY(0) scaleY(1); }
}

/* アクティブ時 */
.dosun-head.is-dropped {
  animation: dosunTitle 1s cubic-bezier(.25,.46,.45,.94) forwards;
}

/* 衝撃波: タイトル着地のタイミング(55%×1s=0.55s)に合わせて発火 */
.philosophy__head {
  position: relative;
}
.dosun-head.is-dropped::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-accent), transparent);
  transform-origin: center;
  animation: dosunImpact 0.65s ease-out 0.55s backwards;
}

.dosun-card.is-dropped,
.dosun-values.is-dropped {
  animation: dosunCard 0.75s cubic-bezier(.25,.46,.45,.94) forwards;
}

/* ── Philosophy Section ── */
.philosophy {
  background: var(--c-primary);
  color: #fff;
  padding: 140px 0;
  position: relative;
  overflow: hidden;
}

.philosophy::before {
  content: "GENEASHI";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(60px, 12vw, 140px);
  font-weight: 900;
  color: rgba(255,255,255,.04);
  white-space: nowrap;
  letter-spacing: .15em;
  pointer-events: none;
}

.philosophy__inner {
  position: relative;
  z-index: 1;
}

.philosophy__head {
  text-align: center;
  margin-bottom: var(--sp-16);
}

.philosophy__label {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}

.philosophy__main-title {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 900;
  line-height: 1.4;
}

.philosophy__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--sp-6);
  margin-bottom: var(--sp-8);
}

.philosophy__card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-lg);
  padding: var(--sp-8) var(--sp-6);
}

.philosophy__card-label {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-3);
}

.philosophy__card-text {
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: 1.55;
  color: #fff;
}

.philosophy__values {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: var(--sp-8);
}

.philosophy__values-label {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
  text-align: center;
}

.philosophy__value-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: center;
}

.philosophy__value-item {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--r-md);
  padding: var(--sp-4) var(--sp-6);
  text-align: center;
  min-width: 220px;
  flex: 1;
}

.philosophy__value-item strong {
  display: block;
  font-size: var(--fs-md);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--sp-1);
  letter-spacing: .04em;
}

.philosophy__value-item span {
  font-size: var(--fs-sm);
  opacity: .8;
  line-height: 1.5;
}

/* ── Service card icon (no emoji) ── */
.service-card__icon-text {
  font-size: var(--fs-sm);
  font-weight: 900;
  letter-spacing: .04em;
  color: var(--c-primary);
}

.service-card__icon--line .service-card__icon-text  { color: #05a34a; }
.service-card__icon--ai .service-card__icon-text    { color: #9a7130; }
.service-card__icon--web .service-card__icon-text   { color: var(--c-secondary); }
.service-card__icon--subsidy .service-card__icon-text { color: var(--c-primary); }

/* Responsive */
@media (max-width: 1023px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .works-preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps {
    grid-template-columns: repeat(3, 1fr);
  }
  .process-steps::before { display: none; }
  .process-steps::after  { display: none; }
  .stats-bar__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-bar__item {
    border-bottom: 1px solid rgba(255,255,255,.15);
  }
  .philosophy__grid {
    grid-template-columns: 1fr;
    gap: var(--sp-4);
  }
}

@media (max-width: 767px) {
  .hero__ctas {
    flex-direction: column;
  }
  .hero__ctas .btn {
    width: 100%;
    justify-content: center;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .works-preview-grid {
    grid-template-columns: 1fr;
  }
  /* ── Process Steps: モバイル縦タイムライン（PC横線と同じ仕組みを縦に） ── */
  .process-steps {
    display: block;
    position: relative;
    padding: 0 0 28px;
  }

  /* 縦線: PC の::before と同じ clip-path 手法で上から下へ伸ばす */
  .process-steps::before {
    display: block;
    content: "";
    position: absolute;
    top: 22px;
    left: 50%;
    right: auto;
    width: 2px;
    height: calc(100% - 42px);
    background: linear-gradient(180deg, var(--c-primary), var(--c-accent));
    transform: translateX(-50%);
    z-index: 0;
    clip-path: inset(0 0 calc(100% - var(--timeline-progress, 0%)) 0);
  }

  /* 下向き矢印: 1023px クエリの display:none を上書き */
  .process-steps::after {
    display: block;
    content: "";
    position: absolute;
    bottom: 10px;
    left: 50%;
    top: auto;
    right: auto;
    transform: translateX(-50%);
    width: 14px;
    height: 10px;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-top: 10px solid var(--c-accent);
    border-bottom: 0;
    opacity: var(--arrow-opacity, 0);
    transition: opacity 0.3s ease;
    z-index: 2;
  }

  /* 各ステップ: 3カラムグリッド（左コンテンツ | 丸 | 右コンテンツ） */
  .process-step {
    display: grid;
    grid-template-columns: 1fr 44px 1fr;
    column-gap: var(--sp-3);
    align-items: center;
    padding-bottom: var(--sp-6);
    position: relative;
    z-index: 1;
  }

  .process-step:last-child {
    padding-bottom: 0;
  }

  /* 数字の丸: 常に中央カラム */
  .process-step__num {
    grid-column: 2;
    grid-row: 1;
    align-self: center;
    margin-bottom: 0;
    box-shadow: 0 0 0 4px var(--c-bg), var(--shadow-sm);
    position: relative;
    z-index: 1;
  }

  /* コンテンツカード共通 */
  .process-step__content {
    background: var(--c-bg-white);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    padding: var(--sp-3) var(--sp-4);
    box-shadow: var(--shadow-sm);
    text-align: center;
    position: relative;
  }

  /* 奇数（1,3,5）: 右側にカード */
  .process-step:nth-child(odd) .process-step__content {
    grid-column: 3;
    grid-row: 1;
  }

  /* 偶数（2,4）: 左側にカード */
  .process-step:nth-child(even) .process-step__content {
    grid-column: 1;
    grid-row: 1;
  }
  /* カード内テキスト調整 */
  .process-step__content .process-step__title {
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 2px;
  }
  .process-step__content .process-step__desc {
    font-size: 11px;
    color: var(--c-muted);
    line-height: 1.5;
  }

  /* stats-bar mobile */
  .stats-bar__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-3);
    padding: 0 var(--sp-2);
  }
  .stats-bar__item {
    border-right: none;
    border-bottom: none;
    background: rgba(0,0,0,.15);
    border-radius: var(--r-sm);
    padding: var(--sp-6) var(--sp-4);
  }
  .philosophy__value-item {
    min-width: 100%;
  }
  /* 全体セクション余白縮小 */
  .section {
    padding: 64px 0;
  }
  .philosophy {
    padding: 72px 0;
  }
  .cta-banner {
    padding: var(--sp-12) var(--sp-4);
  }
  .cta-banner__title {
    font-size: var(--fs-xl);
  }
  .cta-banner__buttons {
    flex-direction: column;
  }
  .cta-banner__buttons .btn {
    width: 100%;
  }
  /* ヒーローのフォントサイズ */
  .hero__title {
    font-size: clamp(24px, 6.5vw, 36px);
  }
  .hero__desc {
    font-size: var(--fs-md);
  }
  /* サービスカード: スマホ最適化 */
  .service-card {
    padding: var(--sp-6) var(--sp-4);
  }
  .service-card__title {
    font-size: var(--fs-lg);
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  /* Philosophy タイトル拡大 */
  .philosophy__main-title {
    font-size: clamp(26px, 7vw, 32px);
  }
}