/* ===================================================
   CSS カスタムプロパティ
=================================================== */
:root {
  --primary:      #29ABE2;
  --primary-dk:   #0E7FC3;
  --primary-lt:   #E8F7FD;
  --primary-mid:  #B3E0F5;
  --accent:       #FF7043;
  --accent-dk:    #E64A19;
  --accent-lt:    #FBE9E7;
  --yellow:       #FFC107;
  --yellow-lt:    #FFFDE7;
  --yellow-dk:    #FF8F00;
  --green-line:   #06C755;
  --green-dk:     #047a34;
  --bg-white:     #FFFFFF;
  --bg-base:      #F7FBFF;
  --bg-gray:      #F4F6F9;
  --bg-blue:      #EDF7FC;
  --bg-pink:      #FFF0F5;
  --bg-yellow:    #FFFBEC;
  --text:         #1D2F46;
  --text-sub:     #5A7184;
  --text-light:   #9BB0C2;
  --white:        #FFFFFF;
  --radius:       24px;
  --radius-sm:    14px;
  --radius-xs:    8px;
  --shadow-sm:    0 2px 12px rgba(41, 171, 226, 0.08);
  --shadow:       0 4px 28px rgba(41, 171, 226, 0.13);
  --shadow-lg:    0 12px 52px rgba(41, 171, 226, 0.22);
}

/* ===================================================
   リセット・ベース
=================================================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html, body { overflow-x: hidden; max-width: 100%; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
  color: var(--text);
  background: var(--bg-base);
  min-height: 100vh;
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 40px;
}

section { padding: 80px 0; }

/* ===================================================
   セクション共通
=================================================== */
.sec-label {
  display: block;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-lt);
  border-radius: 50px;
  padding: 5px 18px;
  margin-bottom: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.sec-title {
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
  font-weight: 900;
  text-align: center;
  line-height: 1.55;
  margin-bottom: 12px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.sec-divider {
  width: 52px;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 3px;
  margin: 0 auto 20px;
}

.sec-sub {
  text-align: center;
  color: var(--text-sub);
  font-size: 0.93rem;
  margin-bottom: 3.5rem;
  line-height: 1.85;
}

/* ===================================================
   ボタン
=================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  min-height: 48px;
  border-radius: 50px;
  font-weight: 700;
  font-family: inherit;
  font-size: 0.97rem;
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.2s;
}
.btn:hover::after { background: rgba(255,255,255,0.12); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #FF5722);
  color: #fff;
  box-shadow: 0 5px 18px rgba(255, 112, 67, 0.38);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255, 112, 67, 0.48);
}
.btn-primary:active { transform: translateY(0); }

.btn-line {
  background: linear-gradient(135deg, var(--green-line), #00B744);
  color: #fff;
  box-shadow: 0 5px 18px rgba(6, 199, 85, 0.30);
}
.btn-line:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(6, 199, 85, 0.42);
}
.btn-line:active { transform: translateY(0); }

.btn-lg { padding: 18px 46px; font-size: 1.06rem; min-height: 56px; }
.btn-sm { padding: 12px 22px; font-size: 0.88rem; min-height: 44px; }

/* ===================================================
   スクロールフェードイン
=================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.d1 { transition-delay: 0.05s; }
.d2 { transition-delay: 0.15s; }
.d3 { transition-delay: 0.25s; }
.d4 { transition-delay: 0.35s; }
.d5 { transition-delay: 0.45s; }


/* ===================================================
   ① ヘッダー
=================================================== */
header {
  background: var(--white);
  border-bottom: 2px solid var(--primary-lt);
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 2px 20px rgba(41, 171, 226, 0.10);
}

.hd-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 28px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo img { height: 50px; width: auto; }

.logo-text {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--primary-dk);
  line-height: 1.3;
}
.logo-text em {
  display: block;
  color: var(--accent);
  font-style: normal;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hd-nav {
  display: flex;
  gap: 36px;
  align-items: center;
}
.hd-nav a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-sub);
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s;
}
.hd-nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.22s;
}
.hd-nav a:hover { color: var(--primary); }
.hd-nav a:hover::after { width: 100%; }

.hd-btns { display: flex; gap: 10px; flex-shrink: 0; }

/* ハンバーガーボタン */
.hd-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: var(--primary-lt);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}
.hd-menu-btn span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.25s ease;
}
.hd-menu-btn.open span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.hd-menu-btn.open span:nth-child(2) { opacity: 0; }
.hd-menu-btn.open span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* モバイルメニュー */
.mobile-menu {
  display: none;
  position: absolute;
  top: 76px; left: 0;
  width: 100%;
  background: var(--white);
  border-top: 1px solid var(--primary-lt);
  box-shadow: 0 8px 28px rgba(41, 171, 226, 0.18);
  z-index: 199;
  padding: 20px 16px 24px;
}
.mobile-menu.open { display: block; }

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}
.mobile-nav a {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  min-height: 52px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  transition: background 0.2s, color 0.2s;
}
.mobile-nav a:hover {
  background: var(--primary-lt);
  color: var(--primary);
}

.mobile-menu-btns {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mobile-menu-btns .btn { width: 100%; min-height: 52px; }


/* ===================================================
   ② ファーストビュー（Hero）
=================================================== */
.hero {
  background: linear-gradient(155deg, #E4F5FD 0%, #F0F9FF 40%, #FEF8F0 100%);
  padding: 80px 0 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -80px; right: -60px;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(41, 171, 226, 0.10) 0%, transparent 68%);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 20px; left: -100px;
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(255, 112, 67, 0.07) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 40px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* ヒーロータグライン */
.hero-tagline {
  display: inline-block;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-dk), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
  line-height: 1.4;
}

/* 縦書き装飾 */
.hero-vert-deco {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-60%);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.35;
  letter-spacing: 0.25em;
  z-index: 2;
  pointer-events: none;
  white-space: nowrap;
}

.hero h1 {
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  font-weight: 900;
  line-height: 1.55;
  margin-bottom: 1.2rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.hero h1 .hl {
  color: var(--primary);
  background: linear-gradient(180deg, transparent 60%, rgba(41, 171, 226, 0.2) 60%);
  padding-bottom: 0;
}

.sub-copy {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  font-weight: 700;
  color: var(--primary-dk);
  background: rgba(41, 171, 226, 0.08);
  border-left: 4px solid var(--primary);
  border-radius: 0 16px 16px 0;
  padding: 14px 20px;
  margin-bottom: 1.4rem;
  line-height: 1.75;
}

.hero-desc {
  color: var(--text-sub);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  line-height: 1.9;
}

/* 安心バッジ */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 2.4rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.b-blue   { background: #E3F6FD; color: #0E7FC3; border: 1.5px solid #B3E0F5; }
.b-green  { background: #E8F5E9; color: #2E7D32; border: 1.5px solid #C8E6C9; }
.b-orange { background: #FFF0EB; color: #D84315; border: 1.5px solid #FFCCBC; }
.b-yellow { background: #FFFDE7; color: #E65100; border: 1.5px solid #FFE57F; }

.badge svg { flex-shrink: 0; }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* 画像プレースホルダー */
.hero-img {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #B3E5FC 0%, #FFD7C8 100%);
  border-radius: 32px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px;
  text-align: center;
  color: rgba(0, 0, 0, 0.45);
  overflow: hidden;
  position: relative;
}
.hero-img::before {
  content: '';
  position: absolute;
  top: -20px; right: -20px;
  width: 120px; height: 120px;
  background: rgba(255,255,255,0.25);
  border-radius: 50%;
}
.hero-img::after {
  content: '';
  position: absolute;
  bottom: -20px; left: -20px;
  width: 100px; height: 100px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
}
.hero-img span { font-size: 4rem; margin-bottom: 14px; position: relative; z-index: 1; }
.hero-img p { font-size: 0.88rem; font-weight: 700; line-height: 1.65; position: relative; z-index: 1; }

/* Heroウェーブ下部 */
.hero-wave {
  overflow: hidden;
  line-height: 0;
  margin-top: -2px;
}
.hero-wave svg {
  display: block;
  width: 100%;
  height: 72px;
}


/* ===================================================
   信頼ストリップ
=================================================== */
.trust-strip {
  background: var(--white);
  padding: 32px 0;
  border-bottom: 1px solid var(--primary-lt);
}

.trust-grid {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 18px;
  background: var(--bg-blue);
  border: 1.5px solid rgba(41, 171, 226, 0.14);
  transition: transform 0.2s, box-shadow 0.2s;
}
.trust-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.trust-ico {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 3px 12px rgba(41, 171, 226, 0.12);
}

.trust-item strong {
  display: block;
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--primary-dk);
  line-height: 1.4;
}

.trust-item p { font-size: 0.72rem; color: var(--text-sub); margin: 2px 0 0; }


/* ===================================================
   ③ 保護者のお悩みセクション
=================================================== */
.pain-sec {
  background: var(--bg-pink);
  padding: 80px 0;
  text-align: center;
  position: relative;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
  margin-bottom: 3rem;
  text-align: left;
}

.card-image {
  width: 100%;
  height: 155px;
  display: block;
}

.pain-card {
  background: var(--white);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(255, 150, 170, 0.15);
  display: flex;
  flex-direction: column;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
  border: 2px solid #FFD6E2;
}
.pain-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 16px 48px rgba(255, 100, 140, 0.22);
}

.pain-card-body {
  padding: 18px 20px 24px;
  flex: 1;
  background: var(--bg-pink);
  border-top: 3px solid #FFB0C8;
}

.pain-card p {
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--text);
  font-weight: 600;
}

.pain-answer {
  display: inline-block;
  background: linear-gradient(135deg, #E8F7FD, #E8F9F0);
  border-radius: 22px;
  padding: 28px 40px;
  text-align: center;
  border: 2px solid rgba(41, 171, 226, 0.18);
  max-width: 660px;
  margin: 0 auto;
  box-shadow: var(--shadow-sm);
}
.pain-answer p {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary-dk);
  line-height: 1.65;
}


/* ===================================================
   ④ 教室のコンセプト（特長）
=================================================== */
.concept-sec {
  background: var(--bg-blue);
  padding: 80px 0;
  text-align: center;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 24px;
  text-align: left;
}

.concept-card {
  background: var(--white);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
  border: 1.5px solid rgba(41, 171, 226, 0.10);
}
.concept-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.concept-card-image {
  width: 100%;
  height: 165px;
  display: block;
}

.concept-card-image--contain {
  object-fit: contain;
  background: linear-gradient(135deg, #EBF7FD 0%, #FFFDE7 100%);
}

.concept-card-body {
  padding: 22px 24px 28px;
  flex: 1;
}

.concept-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: var(--yellow);
  color: #5C3A00;
  border-radius: 50%;
  font-weight: 900;
  font-size: 1.1rem;
  margin-bottom: 12px;
  box-shadow: 0 4px 12px rgba(255, 193, 7, 0.42);
  border: 2.5px solid rgba(255,255,255,0.85);
}

.concept-card h3 {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.55;
}

.concept-card p {
  font-size: 0.92rem;
  color: var(--text-sub);
  line-height: 1.85;
}


/* ===================================================
   ⑤ 英語学習の流れ
=================================================== */
.flow-sec {
  background: var(--bg-white);
  padding: 80px 0;
  text-align: center;
}

.flow-intro {
  text-align: center;
  color: var(--text-sub);
  font-size: 0.95rem;
  max-width: 660px;
  margin: 0 auto 3.8rem;
  line-height: 1.95;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  position: relative;
}

.flow-grid::before {
  content: '';
  position: absolute;
  top: 44px; left: 12.5%; right: 12.5%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 0;
  border-radius: 2px;
}

.flow-item {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 8px;
}

.flow-icon {
  width: 88px; height: 88px;
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: 0 5px 22px rgba(41, 171, 226, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.flow-item:nth-child(1) .flow-icon { background: #E3F6FD; }
.flow-item:nth-child(2) .flow-icon { background: #E8F5E9; }
.flow-item:nth-child(3) .flow-icon { background: #FFFDE7; }
.flow-item:nth-child(4) .flow-icon { background: #FBE9E7; }

.flow-step {
  display: inline-block;
  background: var(--primary-dk);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 8px;
  letter-spacing: 0.07em;
}

.flow-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 7px;
}

.flow-desc {
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.75;
}


/* ===================================================
   ⑥ 選ばれる理由
=================================================== */
.reasons-sec {
  background: var(--bg-gray);
  padding: 80px 0;
  text-align: center;
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  text-align: left;
}

.reason-card {
  background: var(--white);
  border-radius: 22px;
  padding: 28px 26px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border: 1.5px solid #EEF2F7;
}
.reason-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.reason-num {
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dk));
  color: var(--white);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.2rem;
  box-shadow: 0 5px 16px rgba(41, 171, 226, 0.32);
}

.reason-card h3 {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 7px;
  line-height: 1.5;
}

.reason-card p {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.85;
}


/* ===================================================
   ⑦ 講師プロフィール
=================================================== */
.teacher-sec {
  background: var(--bg-white);
  padding: 80px 0;
}

.teacher-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 60px;
  align-items: start;
}

.teacher-photo-wrap {
  border-radius: 24px;
  overflow: hidden;
  margin-bottom: 20px;
  aspect-ratio: 3/4;
  box-shadow: var(--shadow);
  border: 3px solid var(--primary-lt);
}

.teacher-photo-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.teacher-tags {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.t-tag {
  display: block;
  background: var(--bg-blue);
  border: 1.5px solid rgba(41, 171, 226, 0.20);
  border-radius: 12px;
  padding: 9px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary-dk);
}

.teacher-career {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-bottom: 32px;
}

.career-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.career-ico { font-size: 1.6rem; flex-shrink: 0; }

.career-item strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 5px;
}

.career-item p {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.85;
}

.teacher-message {
  background: var(--bg-blue);
  border-left: 4px solid var(--primary);
  border-radius: 0 18px 18px 0;
  padding: 24px 28px;
  margin: 0;
  box-shadow: var(--shadow-sm);
}

.teacher-message p {
  font-size: 0.95rem;
  line-height: 1.95;
  color: var(--text);
}
.teacher-message p + p { margin-top: 12px; }


/* ===================================================
   ⑧ 保護者の声
=================================================== */
.voice-sec {
  background: linear-gradient(155deg, var(--bg-blue) 0%, #F2FFF6 100%);
  padding: 80px 0;
  text-align: center;
}

.voice-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-light);
  margin-bottom: 2.8rem;
}

.voice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
  text-align: left;
}

.voice-card {
  background: var(--white);
  border-radius: 22px;
  padding: 36px 28px 28px;
  box-shadow: var(--shadow);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border: 1.5px solid #EEF7FD;
}
.voice-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.voice-card::before {
  content: '\201C';
  font-family: Georgia, serif;
  font-size: 6rem;
  color: var(--primary-lt);
  line-height: 0.85;
  position: absolute;
  top: 16px; left: 20px;
}

.voice-text {
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: 22px;
  color: var(--text);
  position: relative;
  z-index: 1;
}

.voice-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid #F0F5F9;
}

.voice-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 2px solid var(--primary-lt);
}

.voice-name {
  font-size: 0.85rem;
  color: var(--text-sub);
  font-weight: 600;
}


/* ===================================================
   料金
=================================================== */
.price-sec {
  background: var(--bg-white);
  padding: 80px 0;
  text-align: center;
}

.price-card {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  border-radius: 30px;
  padding: 52px 48px;
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(41, 171, 226, 0.12);
  text-align: left;
}

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px dashed #E4EFF8;
  font-size: 1rem;
}
.price-row:last-of-type { border-bottom: none; }

.price-label { color: var(--text-sub); font-weight: 500; }
.price-val   { font-weight: 700; color: var(--text); font-size: 1.05rem; }

.price-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dk));
  border-radius: 18px;
  padding: 24px 28px;
  margin: 24px 0;
  box-shadow: 0 8px 28px rgba(41, 171, 226, 0.30);
}
.price-total .tl { color: rgba(255, 255, 255, 0.90); font-weight: 700; font-size: 1rem; }
.price-total .tv { color: var(--white); font-weight: 900; font-size: 2rem; letter-spacing: -0.02em; }

.price-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.9;
  margin-bottom: 30px;
}

.price-cta { text-align: center; }


/* ===================================================
   ⑨ 教室情報
=================================================== */
.info-sec {
  background: var(--bg-gray);
  padding: 80px 0;
  text-align: center;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  text-align: left;
}

.info-table {
  background: var(--white);
  border-radius: 22px;
  padding: 34px 30px;
  box-shadow: var(--shadow);
  border: 1.5px solid #EEF2F7;
}

.info-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid #F0F4F8;
  font-size: 0.95rem;
}
.info-row:last-child { border-bottom: none; }

.info-key { color: var(--text-sub); font-weight: 600; font-size: 0.88rem; }
.info-val  { font-weight: 500; color: var(--text); }


/* ===================================================
   無料体験の流れ
=================================================== */
.trial-sec {
  background: var(--bg-blue);
  padding: 80px 0;
  text-align: center;
}

.trial-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.trial-step {
  background: var(--white);
  border-radius: 22px;
  padding: 34px 26px 30px;
  text-align: center;
  box-shadow: var(--shadow);
  flex: 1;
  min-width: 180px;
  max-width: 250px;
  border-top: 5px solid var(--primary);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border-left: 1.5px solid rgba(41, 171, 226, 0.10);
  border-right: 1.5px solid rgba(41, 171, 226, 0.10);
  border-bottom: 1.5px solid rgba(41, 171, 226, 0.10);
}
.trial-step:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.trial-num {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
  display: block;
}

.trial-ico {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: var(--bg-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 4px 14px rgba(41, 171, 226, 0.15);
}

.trial-step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.trial-step p {
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.75;
}

.trial-arrow {
  font-size: 1.5rem;
  color: var(--primary);
  opacity: 0.38;
  flex-shrink: 0;
}

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


/* ===================================================
   ⑩ 最後のCTA
=================================================== */
.final-cta {
  background: linear-gradient(135deg, #0D6FAD 0%, #29ABE2 50%, #0E88C9 100%);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.07) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.final-cta::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -80px;
  width: 440px; height: 440px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.final-cta .bubble {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
}
.final-cta .bubble-1 { width: 80px; height: 80px; top: 20%; left: 8%; }
.final-cta .bubble-2 { width: 50px; height: 50px; top: 60%; left: 15%; }
.final-cta .bubble-3 { width: 100px; height: 100px; top: 10%; right: 10%; }
.final-cta .bubble-4 { width: 60px; height: 60px; bottom: 20%; right: 20%; }

.final-cta h2 {
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 1.2rem;
  line-height: 1.65;
  position: relative;
  z-index: 1;
}

.final-cta p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 580px;
  margin: 0 auto 3rem;
  line-height: 1.95;
  position: relative;
  z-index: 1;
}

.final-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.final-cta .btn-primary {
  background: linear-gradient(135deg, var(--accent), #FF5722);
  color: #fff;
  box-shadow: 0 6px 22px rgba(255, 112, 67, 0.45);
}

.final-cta .btn-line {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
  box-shadow: none;
  backdrop-filter: blur(4px);
}
.final-cta .btn-line:hover {
  background: rgba(255,255,255,0.25);
}


/* ===================================================
   フッター
=================================================== */
footer {
  background: #1A2438;
  color: rgba(255, 255, 255, 0.55);
  padding: 64px 0 38px;
  font-size: 0.83rem;
}

footer .ft-top {
  max-width: 1040px;
  margin: 0 auto 26px;
  padding: 0 40px 38px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 52px;
  align-items: start;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
}

footer .ft-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 7px;
}
footer .ft-tagline {
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 10px;
}
footer .ft-addr {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.3);
  line-height: 1.85;
}

footer .ft-nav {
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding-top: 4px;
}
footer .ft-nav a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s;
  min-height: 44px;
  display: flex;
  align-items: center;
}
footer .ft-nav a:hover { color: var(--white); }

footer .ft-cta-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 4px;
}

footer .ft-copy {
  display: block;
  text-align: center;
  color: rgba(255, 255, 255, 0.22);
  font-size: 0.75rem;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 40px;
}


/* ===================================================
   スティッキーフッター（モバイル用固定CTA）
=================================================== */
.sticky-cta { display: none; }

@media (max-width: 768px) {
  .sticky-cta {
    position: fixed;
    bottom: 0; left: 0;
    width: 100vw;
    box-sizing: border-box;
    display: flex;
    gap: 8px;
    padding: 10px 16px 16px;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.13);
    z-index: 150;
  }

  .sticky-btn {
    flex: 1;
    box-sizing: border-box;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 8px;
    min-height: 52px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .sticky-btn-line { background: linear-gradient(135deg, var(--green-line), #00B744); color: #fff; }
  .sticky-btn-primary { background: linear-gradient(135deg, var(--accent), #FF5722); color: #fff; }

  body { padding-bottom: 80px; }
}


/* ===================================================
   レスポンシブ（768px以下）
=================================================== */
@media (max-width: 768px) {
  /* ヘッダー */
  .hd-nav { display: none; }
  .hd-btns .btn-line { display: none; }
  .hd-btns .btn { padding: 11px 16px; font-size: 0.85rem; min-height: 44px; }
  .hd-menu-btn { display: flex; }

  /* コンテナ */
  .container { padding: 0 20px; }
  .trust-grid { padding: 0 20px; }
  footer .ft-top { padding: 0 20px 38px; }
  footer .ft-copy { padding: 0 20px; }

  /* セクション縦間隔 */
  section { padding: 64px 0; }
  .pain-sec    { padding: 64px 0; }
  .concept-sec { padding: 64px 0; }
  .flow-sec    { padding: 64px 0; }
  .reasons-sec { padding: 64px 0; }
  .teacher-sec { padding: 64px 0; }
  .voice-sec   { padding: 64px 0; }
  .price-sec   { padding: 64px 0; }
  .info-sec    { padding: 64px 0; }
  .trial-sec   { padding: 64px 0; }
  .final-cta   { padding: 72px 0; }

  /* ヒーロー */
  .hero { padding: 48px 0 0; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 0 20px 56px;
  }
  .hero-img  { order: -1; aspect-ratio: 16/9; }
  .hero-cta  { justify-content: center; }
  .hero-vert-deco { display: none; }

  /* 信頼ストリップ */
  .trust-grid { grid-template-columns: repeat(2, 1fr); }

  /* フロー */
  .flow-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .flow-grid::before { display: none; }

  /* 体験ステップ */
  .trial-steps { flex-direction: column; align-items: stretch; }
  .trial-step  { max-width: 100%; }
  .trial-arrow { transform: rotate(90deg); margin: 0 auto; }

  /* 講師 */
  .teacher-grid { grid-template-columns: 1fr; gap: 32px; }
  .teacher-tags { flex-direction: row; flex-wrap: wrap; }
  .t-tag { width: auto; }

  /* 教室情報 */
  .info-grid { grid-template-columns: 1fr; }

  /* 料金 */
  .price-card { padding: 36px 28px; }

  /* ヒーローウェーブ */
  .hero-wave svg { height: 50px; }

  /* フッター */
  footer { padding: 48px 0 30px; }
  footer .ft-top {
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: center;
  }
  footer .ft-nav {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px 14px;
  }
  footer .ft-nav a { min-height: 44px; }
  footer .ft-cta-wrap {
    flex-direction: row;
    justify-content: center;
    gap: 10px;
  }
  footer .ft-cta-wrap .btn {
    flex: 1;
    max-width: 180px;
    font-size: 0.82rem;
    padding: 12px 12px;
    min-height: 48px;
  }
}


/* ===================================================
   レスポンシブ（480px以下）
=================================================== */
@media (max-width: 480px) {
  /* コンテナ */
  .container { padding: 0 16px; }
  .trust-grid { padding: 0 16px; }
  footer .ft-top { padding: 0 16px 32px; }
  footer .ft-copy { padding: 0 16px; }

  /* セクション */
  section    { padding: 48px 0; }
  .pain-sec    { padding: 48px 0; }
  .concept-sec { padding: 48px 0; }
  .flow-sec    { padding: 48px 0; }
  .reasons-sec { padding: 48px 0; }
  .teacher-sec { padding: 48px 0; }
  .voice-sec   { padding: 48px 0; }
  .price-sec   { padding: 48px 0; }
  .info-sec    { padding: 48px 0; }
  .trial-sec   { padding: 48px 0; }
  .final-cta   { padding: 60px 0; }

  /* ヒーロー */
  .hero-grid { padding: 0 16px 48px; }

  /* ボタン */
  .hero-cta, .final-btns, .trial-cta { flex-direction: column; align-items: stretch; }
  .btn-lg { width: 100%; }

  /* グリッド */
  .flow-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .concept-grid { grid-template-columns: 1fr; }
  .voice-grid  { grid-template-columns: 1fr; }
  .reasons-grid { grid-template-columns: 1fr; }

  /* ヘッダー */
  .hd-inner { height: 64px; padding: 0 16px; }
  .hd-btns .btn { padding: 10px 14px; font-size: 0.82rem; min-height: 44px; }
  .logo-text { font-size: 0.92rem; }
  .logo img  { height: 40px; }

  /* 料金 */
  .price-card { padding: 28px 20px; }
  .price-total .tv { font-size: 1.7rem; }

  /* Hero tagline */
  .hero-tagline { font-size: 1.2rem; }

  /* テキストサイズ確保 */
  .pain-card p  { font-size: 1rem; }
  .concept-card p { font-size: 1rem; }
  .reason-card p  { font-size: 1rem; }
  .voice-text     { font-size: 1rem; }
  .flow-desc      { font-size: 0.95rem; }
  .hero-desc      { font-size: 1rem; }
  .sec-sub        { font-size: 1rem; }
  .flow-intro     { font-size: 1rem; }

  /* 痛みカード縦積み */
  .pain-grid { grid-template-columns: 1fr; }
}