/* ============================================
   front-page.css
   TOPページ専用スタイル（v1.1）
   ============================================ */

/* ---- コンテナ ---- */
.sp-container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.sp-pc-only { display: inline; }
@media (max-width: 768px) { .sp-pc-only { display: none; } }

/* ---- セクション共通 ---- */
.sp-bg-light { background: var(--color-bg-section); }

.sp-section-title {
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 48px;
  position: relative;
  padding-bottom: 16px;
  letter-spacing: -0.01em;
}

.sp-section-title strong { color: var(--color-primary); }

.sp-section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
  margin: 14px auto 0;
}

.sp-section-title--left { text-align: left; }
.sp-section-title--left::after { margin-left: 0; }

/* ---- ボタン ---- */
.sp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
  white-space: nowrap;
  border: 2px solid transparent;
}

.sp-btn--cta {
  background: var(--color-cta);
  color: #fff;
  box-shadow: 0 4px 16px rgba(231, 76, 60, 0.32);
}
.sp-btn--cta:hover {
  background: var(--color-cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(231, 76, 60, 0.4);
  color: #fff;
}

.sp-btn--lg { padding: 18px 42px; font-size: 1.1rem; }

.sp-btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.sp-btn--ghost:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.sp-btn--corp {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(46, 134, 171, 0.28);
}
.sp-btn--corp:hover {
  background: var(--color-primary-dk);
  transform: translateY(-2px);
  color: #fff;
}

/* ============================================
   ヒーロー
   ============================================ */
.sp-hero {
  position: relative;
  padding: 80px 0 72px;
  overflow: hidden;
  background: #fff;
}

.sp-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.sp-hero__shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.07;
}
.sp-hero__shape--1 {
  width: 600px; height: 600px;
  background: var(--color-primary);
  top: -200px; right: -150px;
}
.sp-hero__shape--2 {
  width: 300px; height: 300px;
  background: var(--color-accent);
  bottom: -80px; left: -60px;
}

.sp-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.sp-hero__eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sp-hero__eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

.sp-hero__title {
  font-size: clamp(2rem, 4.2vw, 3rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  color: var(--color-text);
}
.sp-hero__title em {
  font-style: normal;
  color: var(--color-primary);
  position: relative;
}
.sp-hero__title em::after {
  content: '';
  display: block;
  position: absolute;
  bottom: 2px; left: 0; right: 0;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
  opacity: 0.7;
}

.sp-hero__sub {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-text-sub);
  margin: 0 0 32px;
}

.sp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.sp-hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.sp-trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--color-text-sub);
  font-weight: 600;
}

/* スタッツカード */
.sp-hero__card-wrap {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-end;
}

.sp-stat-card {
  background: #fff;
  border-radius: 14px;
  padding: 20px 28px;
  box-shadow: var(--shadow-md);
  border: 1.5px solid var(--color-border);
  text-align: center;
  min-width: 180px;
  transition: transform 0.22s ease;
}
.sp-stat-card:hover { transform: translateY(-3px); }

.sp-stat-card--1 { border-top: 4px solid var(--color-primary); }
.sp-stat-card--2 { border-top: 4px solid var(--color-accent); }
.sp-stat-card--3 { border-top: 4px solid var(--color-cta); }

.sp-stat-card__num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 4px;
}
.sp-stat-card__num span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-sub);
}
.sp-stat-card__label {
  font-size: 0.78rem;
  color: var(--color-text-sub);
  font-weight: 600;
}

/* ============================================
   こんな方におすすめ
   ============================================ */
.sp-for-who { padding: 72px 0; }

.sp-for-who__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.sp-target-card {
  background: #fff;
  border-radius: 14px;
  padding: 28px 22px;
  border: 1.5px solid var(--color-border);
  text-align: center;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.sp-target-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}
.sp-target-card__icon { font-size: 2.2rem; display: block; margin-bottom: 14px; line-height: 1; }
.sp-target-card__title { font-size: 0.92rem; font-weight: 700; margin: 0 0 10px; color: var(--color-text); line-height: 1.5; }
.sp-target-card__desc { font-size: 0.82rem; color: var(--color-text-sub); line-height: 1.7; margin: 0; }

/* ============================================
   3つの学び方
   ============================================ */
.sp-features { padding: 72px 0; }

.sp-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.sp-feature-card {
  position: relative;
  background: #fff;
  border-radius: 16px;
  padding: 32px 28px 28px;
  border: 1.5px solid var(--color-border);
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.sp-feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.sp-feature-card--blue  { border-top: 5px solid var(--color-primary); }
.sp-feature-card--teal  { border-top: 5px solid #17A589; }
.sp-feature-card--orange { border-top: 5px solid var(--color-accent); }

.sp-feature-card__num {
  position: absolute;
  top: 12px; right: 18px;
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.07;
  line-height: 1;
}
.sp-feature-card--teal  .sp-feature-card__num { color: #17A589; }
.sp-feature-card--orange .sp-feature-card__num { color: var(--color-accent); }

.sp-feature-card__label { font-size: 0.7rem; font-weight: 800; letter-spacing: 0.14em; color: var(--color-primary); margin-bottom: 8px; }
.sp-feature-card--teal  .sp-feature-card__label { color: #17A589; }
.sp-feature-card--orange .sp-feature-card__label { color: var(--color-accent); }

.sp-feature-card__title { font-size: 1.1rem; font-weight: 700; margin: 0 0 12px; color: var(--color-text); line-height: 1.4; }
.sp-feature-card__desc { font-size: 0.88rem; color: var(--color-text-sub); line-height: 1.8; margin: 0 0 20px; }
.sp-feature-card__link { font-size: 0.88rem; font-weight: 700; color: var(--color-primary); text-decoration: none; }
.sp-feature-card--teal  .sp-feature-card__link { color: #17A589; }
.sp-feature-card--orange .sp-feature-card__link { color: var(--color-accent); }
.sp-feature-card__link:hover { text-decoration: underline; }

/* ============================================
   お知らせ
   ============================================ */
.sp-news { padding: 72px 0; }

.sp-news__inner {
  background: #fff;
  border-radius: 16px;
  border: 1.5px solid var(--color-border);
  padding: 40px 48px;
}

.sp-news__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
}
.sp-news__head .sp-section-title { margin-bottom: 0; }

.sp-link-more { font-size: 0.85rem; font-weight: 700; color: var(--color-primary); text-decoration: none; white-space: nowrap; }

.sp-news__list { list-style: none; padding: 0; margin: 0; }
.sp-news__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  transition: padding-left 0.2s;
}
.sp-news__item:last-child { border-bottom: none; }
.sp-news__item:hover { padding-left: 6px; }

.sp-news__date { font-size: 0.8rem; font-weight: 600; color: var(--color-text-sub); white-space: nowrap; min-width: 76px; font-feature-settings: "tnum"; }
.sp-news__title { font-size: 0.92rem; color: var(--color-text); text-decoration: none; flex: 1; line-height: 1.5; }
.sp-news__title:hover { color: var(--color-primary); }

/* バッジ */
.sp-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
}
.sp-badge--important { background: #FDEDEC; color: var(--color-cta); }
.sp-badge--info      { background: var(--color-bg-section); color: var(--color-primary); }

/* ============================================
   受講者の声
   ============================================ */
.sp-voices { padding: 72px 0; }

.sp-voices__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.sp-voice-card {
  background: #fff;
  border-radius: 16px;
  padding: 28px;
  border: 1.5px solid var(--color-border);
  border-left: 5px solid var(--color-accent);
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.sp-voice-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.sp-voice-card__quote { margin: 0 0 auto; padding-bottom: 20px; }
.sp-voice-card__quote p { font-size: 0.92rem; line-height: 1.85; color: var(--color-text); margin: 0; }

.sp-voice-card__footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}
.sp-voice-card__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-bg-section);
  color: var(--color-primary);
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sp-voice-card__name { font-size: 0.88rem; font-weight: 700; color: var(--color-text); }
.sp-voice-card__role { font-size: 0.76rem; color: var(--color-text-sub); }

/* ============================================
   法人向けCTA
   ============================================ */
.sp-corp-cta { padding: 72px 0; }

.sp-corp-cta__inner {
  background: linear-gradient(120deg, var(--color-primary-dk) 0%, var(--color-primary) 100%);
  border-radius: 20px;
  padding: 56px 64px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  color: #fff;
}
.sp-corp-cta__eyebrow { font-size: 0.72rem; font-weight: 800; letter-spacing: 0.18em; color: rgba(255,255,255,0.6); margin: 0 0 10px; }
.sp-corp-cta__title { font-size: clamp(1.3rem, 2.5vw, 1.8rem); font-weight: 800; color: #fff; margin: 0 0 14px; line-height: 1.3; }
.sp-corp-cta__desc { font-size: 0.92rem; color: rgba(255,255,255,0.82); line-height: 1.8; margin: 0; }
.sp-corp-cta__actions { display: flex; flex-direction: column; gap: 12px; min-width: 220px; }

/* ============================================
   末尾CTA
   ============================================ */
.sp-final-cta { padding: 88px 0; background: var(--color-bg-section); }
.sp-final-cta__inner { text-align: center; }
.sp-final-cta__title { font-size: clamp(1.6rem, 3.5vw, 2.2rem); font-weight: 800; margin: 0 0 16px; line-height: 1.35; }
.sp-final-cta__sub { font-size: 0.95rem; color: var(--color-text-sub); margin: 0 0 36px; }

/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 1024px) {
  .sp-for-who__grid  { grid-template-columns: repeat(2, 1fr); }
  .sp-features__grid { grid-template-columns: repeat(2, 1fr); }
  .sp-voices__grid   { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sp-hero__inner { grid-template-columns: 1fr; gap: 36px; }
  .sp-hero__visual { display: none; }
  .sp-hero { padding: 56px 0 52px; }
  .sp-hero__actions { flex-direction: column; }
  .sp-hero__actions .sp-btn { width: 100%; }

  .sp-for-who__grid  { grid-template-columns: 1fr 1fr; gap: 14px; }
  .sp-features__grid { grid-template-columns: 1fr; }
  .sp-voices__grid   { grid-template-columns: 1fr; }

  .sp-news__inner { padding: 28px 20px; }
  .sp-news__head  { flex-direction: column; align-items: flex-start; gap: 8px; }
  .sp-news__item  { flex-wrap: wrap; gap: 8px; }

  .sp-corp-cta__inner { grid-template-columns: 1fr; padding: 36px 28px; }

  .sp-section-title { font-size: 1.35rem; margin-bottom: 32px; }

  section,
  .sp-for-who,
  .sp-features,
  .sp-news,
  .sp-voices,
  .sp-corp-cta,
  .sp-final-cta {
    padding: 52px 0;
  }
}

@media (max-width: 480px) {
  .sp-for-who__grid { grid-template-columns: 1fr; }
}