/* ==========================================================================
   フロントページ専用スタイル（ホワイト系クリーンデザイン）
   common.css のCSS変数を前提とする
   ========================================================================== */

/* --------------------------------------------------------------------------
   共通ボタン
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: var(--radius-md);
  transition: background-color var(--transition), color var(--transition),
              transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn--cyan {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--cyan:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.35);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.7);
}

.btn--outline:hover {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--ghost:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   セクション共通
   -------------------------------------------------------------------------- */
.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  letter-spacing: 0.02em;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-title--light {
  color: var(--color-white);
}

.section-label {
  display: block;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.section-lead {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-top: -1.75rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

/* --------------------------------------------------------------------------
   ヒーローセクション
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
  /* 画像の上にオーバーレイグラデーションを重ねてパララックス */
  background-image:
    linear-gradient(
      to bottom,
      rgba(10, 18, 35, 0.55) 0%,
      rgba(10, 18, 35, 0.45) 100%
    ),
    url('/wp-content/uploads/hero-bg.avif');
  background-size: cover, cover;
  background-position: center, center;
  background-attachment: fixed, fixed;
  background-repeat: no-repeat, no-repeat;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-block: clamp(60px, 10vw, 100px);
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  padding: 0.3rem 1rem;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(1.9rem, 5.5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-white);
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
  text-shadow:
    0 2px 8px rgba(0, 0, 0, 0.55),
    0 4px 24px rgba(0, 0, 0, 0.35);
}

.hero__sub1 {
  font-size: clamp(0.9rem, 2vw, 1rem);
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 0.5rem;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}

.hero__sub1:last-of-type {
  margin-bottom: 2.5rem;
}

.hero__cta {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   チャットボットセクション
   -------------------------------------------------------------------------- */
.chatbot-section {
  position: relative;
  background-color: var(--color-bg-soft);
  padding-block: var(--section-padding);
  overflow: hidden;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.chatbot-bg-scroll {
  position: absolute;
  top: 50%;
  left: 0;
  font-size: clamp(80px, 15vw, 140px);
  font-weight: 900;
  color: rgba(124, 58, 237, 0.3);
  white-space: nowrap;
  pointer-events: none;
  transform: translate(-200px, -50%);
  letter-spacing: -0.02em;
  user-select: none;
}

.chatbot-box {
  display: flex;
  align-items: center;
  gap: 2rem;
  justify-content: space-between;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  background: var(--color-white);
  border: none;
  border-radius: var(--radius-lg);
  max-width: 700px;
  margin-inline: auto;
  box-shadow: 0 4px 24px rgba(124, 58, 237, 0.12), 0 1px 6px rgba(0, 0, 0, 0.06);
  transition:
    box-shadow 0.2s ease-out,
    transform 0.2s ease-out,
    opacity 0.15s ease-out;
}

.chatbot-box:hover {
  box-shadow: 0 8px 40px rgba(124, 58, 237, 0.18), 0 2px 10px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.chatbot-content h2 {
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  line-height: 1.45;
}

.chatbot-content p {
  color: var(--color-text-mid);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.9;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.chatbot-arrow {
  flex-shrink: 0;
  color: var(--color-accent);
  opacity: 0.5;
  transition: opacity var(--transition), transform var(--transition);
}

.chatbot-box:hover .chatbot-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Udemyセクション
   -------------------------------------------------------------------------- */
.udemy-section {
  position: relative;
  background-color: var(--color-white);
  padding-block: var(--section-padding);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-light);
}

.udemy-bg-scroll {
  position: absolute;
  top: 50%;
  left: 0;
  font-size: clamp(80px, 15vw, 140px);
  font-weight: 900;
  color: rgba(14, 165, 233, 0.3);
  white-space: nowrap;
  pointer-events: none;
  transform: translate(-200px, -50%);
  letter-spacing: -0.02em;
  user-select: none;
}

.udemy-box {
  display: flex;
  align-items: center;
  gap: 2rem;
  justify-content: space-between;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  background: var(--color-white);
  border: none;
  border-radius: var(--radius-lg);
  max-width: 700px;
  margin-inline: auto;
  box-shadow: 0 4px 24px rgba(14, 165, 233, 0.12), 0 1px 6px rgba(0, 0, 0, 0.06);
  transition:
    box-shadow 0.2s ease-out,
    transform 0.2s ease-out,
    opacity 0.15s ease-out;
}

.udemy-box:hover {
  box-shadow: 0 8px 40px rgba(14, 165, 233, 0.18), 0 2px 10px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.udemy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: #92400e;
  background-color: #fef3c7;
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.65rem;
  margin-bottom: 0.75rem;
}

.udemy-content h2 {
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  line-height: 1.45;
}

.udemy-content p {
  color: var(--color-text-mid);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.9;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.udemy-arrow {
  flex-shrink: 0;
  color: var(--color-primary);
  opacity: 0.5;
  transition: opacity var(--transition), transform var(--transition);
}

.udemy-box:hover .udemy-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Service Lineup
   -------------------------------------------------------------------------- */
.service-section {
  padding-block: var(--section-padding);
  background-image:
    linear-gradient(
      to bottom,
      rgba(15, 25, 50, 0.72) 0%,
      rgba(15, 25, 50, 0.68) 100%
    ),
    url('/wp-content/uploads/20260124-9F767F.webp');
  background-size: cover, cover;
  background-position: center, center;
  background-attachment: fixed, fixed;
  background-repeat: no-repeat, no-repeat;
}

/* パララックス背景上のタイトルは白に */
.service-section .section-title {
  color: var(--color-white);
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out, opacity 0.15s ease-out;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  opacity: 0.65;
}

.svc-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.svc-icon--green {
  background-color: #dcfce7;
  color: #16a34a;
}

.svc-icon--red {
  background-color: #fee2e2;
  color: #dc2626;
}

.svc-icon--purple {
  background-color: var(--color-accent-pale);
  color: var(--color-accent);
}

.svc-icon--blue {
  background-color: var(--color-primary-pale);
  color: var(--color-primary-dark);
}

.svc-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
}

.svc-desc {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-mid);
  line-height: 1.85;
  flex: 1;
}

.svc-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 0.25rem;
  transition: gap var(--transition);
}

.svc-link:hover {
  gap: 0.65rem;
}

/* --------------------------------------------------------------------------
   Why Edel Hearts?（フリップカード）
   -------------------------------------------------------------------------- */
.features-section {
  background-color: var(--color-white);
  padding-block: var(--section-padding);
}

.feature-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.feat-item {
  perspective: 900px;
}

.feat-inner {
  position: relative;
  width: 100%;
  min-height: 290px;
  transform-style: preserve-3d;
  transition: transform 0.55s ease;
  border-radius: var(--radius-lg);
}

/* ホバー中だけ裏返す */
.feat-item:hover .feat-inner {
  transform: rotateY(180deg);
}

/* スクロールで視野に入ったとき：360°スピンして表に戻る */
@keyframes card-spin {
  from { transform: rotateY(0deg); }
  to   { transform: rotateY(360deg); }
}

.feat-item.animate-hint .feat-inner {
  animation: card-spin 0.75s ease-in-out;
}

.feat-front,
.feat-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feat-front {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  align-items: center;
  text-align: center;
}

.feat-back {
  background: linear-gradient(145deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  border: none;
  transform: rotateY(180deg);
  justify-content: center;
  box-shadow: var(--shadow-lg);
}

.feat-icon-box {
  width: 52px;
  height: 52px;
  background: var(--color-primary-pale);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.feat-icon-box i {
  font-size: 1.5rem;
}

.feat-front h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.5;
}

.feat-front h3 small {
  display: block;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

.feat-front p {
  font-size: 0.95rem;
  color: var(--color-text-mid);
  line-height: 1.85;
}

.feat-back p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.9;
}

/* --------------------------------------------------------------------------
   無料診断CTA
   -------------------------------------------------------------------------- */
.diagnosis-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding-block: var(--section-padding);
}

.diagnosis-banner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2rem;
  max-width: 900px;
  margin-inline: auto;
}

.diag-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  padding: 0.25rem 0.85rem;
  margin-bottom: 0.5rem;
}

.diag-title {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.diag-desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.9;
}

/* --------------------------------------------------------------------------
   FAQ（プラグイン出力）
   -------------------------------------------------------------------------- */
.faq-section {
  background-color: var(--color-bg-soft);
  padding-block: var(--section-padding);
  border-top: 1px solid var(--color-border-light);
}

.faq-list {
  max-width: 760px;
  margin-inline: auto;
}

.efn-container {
  width: 100%;
}

/* --------------------------------------------------------------------------
   News & Column
   -------------------------------------------------------------------------- */
.news-section {
  background-color: var(--color-white);
  padding-block: var(--section-padding);
}

.news-list {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
  margin-bottom: 2.5rem;
}

.news-item {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--color-border-light);
}

.news-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.news-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
}

.label-news {
  background-color: var(--color-primary-pale);
  color: var(--color-primary-dark);
}

.label-blog {
  background-color: var(--color-accent-pale);
  color: var(--color-accent);
}

.news-title {
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.5;
  transition: color var(--transition);
  flex: 1;
  min-width: 0;
}

.news-title:hover {
  color: var(--color-primary);
}

.news-empty {
  text-align: center;
  color: var(--color-text-muted);
  padding-block: 2rem;
}

.news-more {
  display: flex;
  justify-content: center;
}

/* ==========================================================================
   レスポンシブ
   ========================================================================== */
/* 管理バー表示時のヒーロー高さ補正 */
@media screen and (min-width: 601px) {
  .admin-bar .hero {
    min-height: calc(100vh - var(--header-h) - 32px);
  }
}

@media screen and (max-width: 600px) {
  .admin-bar .hero {
    min-height: calc(100vh - var(--header-h) - 46px);
  }
}

/* iOS Safari は background-attachment: fixed 非対応のためスクロールに切り替え */
@media (max-width: 767px) {
  .hero,
  .service-section {
    background-attachment: scroll, scroll;
  }
}

@media (min-width: 768px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-cols {
    grid-template-columns: repeat(3, 1fr);
  }

  .feat-inner {
    min-height: 310px;
  }

  .diagnosis-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .chatbot-box,
  .udemy-box {
    flex-direction: row;
  }
}

@media (min-width: 1024px) {
  .service-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}