/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --coral: #7A6BA0;
  --coral-light: #B8AAD4;
  --orange: #9C8BC0;
  --orange-light: #E8E2F5;
  --cream: #FAF6F0;
  --bg-pink: #F5F0FA;
  --text-dark: #2D2A3E;
  --text-mid: #6B6580;
  --white: #FFFFFF;
  --shadow: 0 4px 20px rgba(122, 107, 160, 0.15);
}

html {
  scroll-behavior: auto;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.8;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  background: white;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  z-index: 100;
  padding: 8px 0;
  overflow: visible;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 80px;
  width: auto;
  display: block;
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav a {
  text-decoration: none;
  color: var(--text-dark);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--coral);
}

.nav-btn {
  background: var(--coral) !important;
  color: white !important;
  padding: 8px 18px;
  border-radius: 20px;
  font-weight: 700 !important;
}

.nav-btn:hover {
  opacity: 0.85;
  color: white !important;
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, #F5F0FA 0%, #FAF6F0 100%);
  padding: 72px 0 60px;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 48px;
}

.hero-text {
  flex: 1;
}

.hero-catch {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.hero-catch span {
  color: var(--coral);
}

.hero-sub {
  font-size: clamp(0.9rem, 1.8vw, 1.05rem);
  color: var(--text-mid);
  margin-bottom: 36px;
  line-height: 1.9;
}

.hero-img-wrap {
  flex: 1;
  text-align: center;
}

.hero-img {
  width: 100%;
  max-width: 420px;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(122, 107, 160, 0.2);
  display: block;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 14px 40px;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-primary {
  background: linear-gradient(135deg, var(--coral), var(--orange));
  color: white;
}

.btn-google {
  background: white;
  border: 2px solid var(--coral);
  color: var(--coral);
  margin-top: 24px;
  display: inline-block;
}

.btn-line {
  background: #06C755 !important;
  color: white;
  font-size: 1.1rem;
  padding: 16px 52px;
  display: inline-block;
}

/* ===== SECTION COMMON ===== */
section {
  padding: 72px 0;
  scroll-margin-top: 120px;
}

@media (max-width: 768px) {
  section {
    scroll-margin-top: 100px;
  }
}

.section-title {
  text-align: center;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 700;
  margin-bottom: 44px;
  color: var(--text-dark);
}

.section-title span {
  color: var(--coral);
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(to right, var(--coral), var(--orange));
  margin: 14px auto 0;
  border-radius: 2px;
}

/* ===== TROUBLES ===== */
.troubles {
  background: var(--bg-pink);
}

.trouble-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 36px;
}

.trouble-item {
  background: white;
  border-left: 4px solid var(--coral-light);
  padding: 16px 20px;
  border-radius: 8px;
  font-size: 0.95rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.trouble-message {
  text-align: center;
  font-size: 1.1rem;
  background: white;
  border-radius: 12px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.trouble-message strong {
  color: var(--coral);
}

/* ===== SERVICES ===== */
.services {
  background: var(--white);
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.service-card {
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--coral);
  transition: transform 0.2s;
}

.service-card:hover {
  transform: translateY(-4px);
}

.service-img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: center 70%;
  display: block;
  border-radius: 16px 16px 0 0;
}

.service-body {
  padding: 24px 28px 32px;
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.tag {
  display: inline-block;
  background: var(--orange-light);
  color: #b85e10;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.9;
}

/* ===== CONCEPT ===== */
.concept {
  background: var(--white);
}

.concept-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.concept-lead {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--coral);
  margin-bottom: 20px;
  line-height: 1.7;
}

.concept-text p {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.9;
  margin-bottom: 16px;
}

.concept-text strong {
  color: var(--text-dark);
  font-weight: 700;
}

.concept-box {
  background: linear-gradient(135deg, #F5F0FA, #FAF6F0);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
}

.concept-box-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--coral);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--coral-light);
}

.concept-list {
  list-style: none;
}

.concept-list li {
  font-size: 0.9rem;
  color: var(--text-dark);
  padding: 10px 0 10px 24px;
  position: relative;
  border-bottom: 1px solid rgba(232,114,122,0.15);
  line-height: 1.7;
}

.concept-list li:last-child {
  border-bottom: none;
}

.concept-list li::before {
  content: '●';
  position: absolute;
  left: 0;
  font-size: 0.6rem;
  color: var(--coral);
  top: 14px;
}

/* ===== TIMELINE ===== */
.profile-timeline {
  margin: 20px 0;
  border-left: 3px solid var(--coral-light);
  padding-left: 20px;
}

.timeline-item {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  align-items: flex-start;
}

.timeline-year {
  flex-shrink: 0;
  font-size: 0.82rem;
  font-weight: 700;
  color: white;
  background: var(--coral);
  padding: 3px 10px;
  border-radius: 12px;
  line-height: 1.6;
}

.timeline-text {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.8;
}

/* ===== REASONS ===== */
.reasons {
  background: var(--white);
}

.reason-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.reason-card {
  background: white;
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border-bottom: 4px solid var(--coral);
  transition: transform 0.2s;
}

.reason-card:hover {
  transform: translateY(-4px);
}

.reason-num {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--coral-light);
  line-height: 1;
  margin-bottom: 12px;
}

.reason-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.6;
}

.reason-card p {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.9;
}

/* ===== SERVICE LIST ===== */
.service-list {
  list-style: none;
  margin-top: 12px;
}

.service-list li {
  font-size: 0.88rem;
  color: var(--text-mid);
  padding: 6px 0 6px 20px;
  position: relative;
  border-bottom: 1px dashed #f0e0e0;
}

.service-list li:last-child {
  border-bottom: none;
}

.service-list li::before {
  content: '✓';
  color: var(--coral);
  position: absolute;
  left: 0;
  font-weight: 700;
}

/* ===== PROFILE ===== */
.profile {
  background: var(--cream);
}

.profile-box {
  background: white;
  border-radius: 20px;
  padding: 44px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 44px;
  align-items: flex-start;
}

.profile-img-wrap {
  flex-shrink: 0;
}

.profile-img {
  width: 220px;
  height: 280px;
  object-fit: cover;
  object-position: top center;
  border-radius: 16px;
  box-shadow: 0 6px 24px rgba(232, 114, 122, 0.2);
}

.profile-name {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.profile-title {
  font-size: 0.88rem;
  color: var(--coral);
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.profile-text p {
  font-size: 0.92rem;
  color: var(--text-mid);
  margin-bottom: 14px;
  line-height: 1.9;
}

.profile-quote {
  background: linear-gradient(135deg, #F5F0FA, #FAF6F0);
  border-left: 4px solid var(--coral);
  padding: 18px 22px;
  border-radius: 0 12px 12px 0;
  font-size: 0.92rem;
  line-height: 2;
  color: var(--text-dark);
  margin-top: 20px;
  font-style: normal;
}

.profile-quote strong {
  color: var(--coral);
}

/* ===== VIDEOS ===== */
.videos {
  background: var(--bg-pink);
}

.videos-lead {
  text-align: center;
  font-size: 0.95rem;
  color: var(--text-mid);
  margin-bottom: 36px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.video-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

@media (max-width: 768px) {
  .video-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ===== MESSAGE ===== */
.message {
  background: var(--white);
}

.message-box {
  max-width: 720px;
  margin: 0 auto;
  background: white;
  border-radius: 20px;
  padding: 48px 52px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.message-box p {
  font-size: 0.97rem;
  color: var(--text-mid);
  line-height: 2;
}

.message-highlight {
  background: linear-gradient(135deg, #F5F0FA, #FAF6F0);
  border-left: 4px solid var(--coral);
  padding: 22px 28px;
  border-radius: 0 12px 12px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.message-highlight p {
  color: var(--text-dark) !important;
  font-weight: 500;
}

.message-sign {
  text-align: right;
  font-size: 0.95rem !important;
  color: var(--coral) !important;
  font-weight: 700;
  margin-top: 8px;
}

@media (max-width: 768px) {
  .message-box {
    padding: 28px 22px;
    gap: 16px;
  }
}

/* ===== REVIEWS ===== */
.reviews {
  text-align: center;
  background: linear-gradient(135deg, #F5F0FA 0%, #FAF6F0 100%);
}

.rating-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 8px;
}

.stars {
  color: var(--orange);
  font-size: 2rem;
  letter-spacing: 3px;
}

.score {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1;
}

.count {
  font-size: 0.9rem;
  color: var(--text-mid);
  align-self: flex-end;
  padding-bottom: 6px;
}

/* ===== PRICE ===== */
.price {
  background: var(--white);
  text-align: center;
}

.price-cards {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.price-card {
  background: white;
  border: 2px solid var(--coral-light);
  border-radius: 16px;
  padding: 32px 40px;
  min-width: 220px;
  box-shadow: var(--shadow);
}

.price-card--main {
  border-color: var(--coral);
  background: linear-gradient(135deg, #F5F0FA, #FAF6F0);
  transform: scale(1.04);
}

.price-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--coral);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.price-amount {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.price-amount span {
  font-size: 0.9rem;
  color: var(--text-mid);
  font-weight: 400;
}

.price-note {
  font-size: 0.8rem;
  color: var(--text-mid);
}

.price-cta-text {
  font-size: 1rem;
  color: var(--text-mid);
  margin-bottom: 24px;
}

/* ===== FAQ ===== */
.faq {
  background: var(--cream);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.faq-q, .faq-a {
  display: flex;
  gap: 16px;
  padding: 18px 24px;
  align-items: flex-start;
}

.faq-q {
  background: linear-gradient(135deg, #F5F0FA, #FAF6F0);
  font-weight: 700;
  font-size: 0.95rem;
}

.faq-a {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.9;
  border-top: 1px solid #f5e8e8;
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--coral);
  color: white;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.faq-icon--a {
  background: var(--orange);
}

/* ===== CONTACT ===== */
.contact {
  background: var(--bg-pink);
  text-align: center;
}

.contact-lead {
  font-size: 1rem;
  color: var(--text-mid);
  margin-bottom: 32px;
}

.contact-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-youtube {
  background: #FF0000;
  color: white;
  font-size: 1.1rem;
  padding: 16px 52px;
  display: inline-block;
}

.qr-box {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.qr-img {
  width: 150px;
  height: 150px;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.qr-box p {
  font-size: 0.85rem;
  color: var(--text-mid);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--text-dark);
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  padding: 28px;
  font-size: 0.8rem;
}

/* ===== HAMBURGER ===== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 200;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--coral);
  border-radius: 2px;
  transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-overlay {
  display: none;
}


/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {

  /* ナビ */
  .hamburger {
    display: flex;
  }

  nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
    padding: 8px 0 16px;
    gap: 0;
    z-index: 160;
  }

  nav.open {
    display: flex;
  }

  nav a {
    font-size: 1rem;
    padding: 14px 24px;
    border-bottom: 1px solid #f0eef8;
    color: var(--text-dark);
    width: 100%;
  }

  nav a:last-child {
    border-bottom: none;
    margin: 8px 24px 0;
    width: calc(100% - 48px);
    text-align: center;
  }

  .nav-btn {
    border-radius: 30px !important;
    padding: 12px 20px !important;
  }

  /* ヒーロー */
  .hero {
    padding: 40px 0 36px;
  }

  .hero-inner {
    flex-direction: column-reverse;
    gap: 28px;
    text-align: center;
  }

  .hero-img {
    max-width: 260px;
    border-radius: 16px;
  }

  .hero-catch {
    font-size: 1.7rem;
  }

  .hero-sub {
    font-size: 0.9rem;
  }

  /* セクション共通 */
  section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 1.3rem;
    margin-bottom: 32px;
  }

  /* コンセプト */
  .concept-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  /* お悩み */
  .trouble-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* 選ばれる理由 */
  .reason-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* レッスン */
  .service-cards {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .service-img {
    height: 180px;
  }

  /* プロフィール */
  .profile-box {
    flex-direction: column;
    align-items: center;
    padding: 28px 20px;
    gap: 24px;
    text-align: center;
  }

  .profile-img {
    width: 160px;
    height: 200px;
  }

  .profile-quote {
    text-align: left;
  }

  .timeline-item {
    flex-direction: column;
    gap: 6px;
  }

  /* 口コミ */
  .rating-box {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
  }

  .score {
    font-size: 2.2rem;
  }

  /* 料金 */
  .price-cards {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .price-card {
    width: 100%;
    max-width: 300px;
  }

  .price-card--main {
    transform: scale(1);
  }

  /* ボタン */
  .btn {
    padding: 14px 28px;
    font-size: 0.95rem;
    width: 100%;
    max-width: 320px;
    text-align: center;
  }

  .btn-line {
    font-size: 1rem;
    padding: 16px 28px;
  }

  /* FAQ */
  .faq-q, .faq-a {
    padding: 16px 18px;
    gap: 12px;
  }
}