:root{
  --bg: #ffffff;
  --text: #1f2937;
}

*{ box-sizing:border-box; }

body{
  margin:0;
  font-family: "Noto Sans JP", system-ui, -apple-system;
  background: var(--bg);
  color: var(--text);
}

body {
  /* 例：左上→右下に淡いブルーとパープル */
  background: linear-gradient(135deg, #f7fbff 0%, #ede6ff 60%, #e6f6fd 100%);
  min-height: 100vh;
  background-attachment: fixed; /* ページが長くても背景固定 */
}

/* HEADER */
.site-header{
  position: sticky;
  top:0;
  z-index:100;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.75);
  border-bottom: 1px solid rgba(0,0,0,0.04);
  padding: 28px 0;
}

.header-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 22px;
  width:100%;
}

.logo{
  font-size: 1.25rem;
  font-weight: 800;
  text-decoration:none;
  color: var(--text);
}

.nav-menu{
  display:flex;
  gap:28px;
}

.nav-menu a{
  text-decoration:none;
  color:var(--text);
  font-weight:500;
  font-size:1rem;
}

/* HAMBURGER MENU */
.menu-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
}

.menu-toggle span{
  width:26px;
  height:3px;
  background:#000;
  display:block;
  border-radius:4px;
}

/* MOBILE */
@media(max-width:720px){
  .nav-menu{
    position: absolute;
    top:64px;
    left:0;
    width:100%;
    flex-direction:column;
    background:white;
    padding:16px 0;
    text-align:center;
    display:none;
  }

  .nav-menu.open{ display:flex; }

  .menu-toggle{ display:flex; }
}

/* HERO */
.hero {
  padding: 220px 40px 140px;
  text-align: center;
}

.hero-title {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-weight: 800;
  font-size: clamp(32px, 8vw, 56px); /* 自動縮小 */
  margin: 0 0 12px 0;
  line-height: 1.2;
}

.hero-subtitle {
  font-family: Helvetica, Arial, sans-serif;
  font-weight: 500;
  font-size: clamp(40px, 5vw, 26px); /* 自動縮小 */
  background: linear-gradient(180deg, #8C52FF, #0057FF);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  margin: 0;
  line-height: 1.2;
}

/* モバイル専用：改行を禁止して1行に収める */
@media (max-width: 768px) {
  .hero-title,
  .hero-subtitle {
    white-space: nowrap;
  }
}


/* ===== ABOUT SECTION ===== */
.about-section {
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

/* セクションタイトル About */
.about-title {
  font-size: 50px;
  font-weight: 800;
  margin-bottom: 120px;
  text-align: center;
  background: linear-gradient(180deg, #8C52FF, #0057FF);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  width: 100%;
  display: block;
}

/* コンテンツ横並び */

/* テキスト */
.about-text h3 {
  font-size: 20px;
  margin-top: 20px;
  font-weight: 600;
}

.about-text p {
  font-size: 18px;
  line-height: 1.7;
  margin-top: 10px;
  max-width: 650px;
}

.about-container {
  display: flex;
  flex-direction: row;
  align-items: center;      /* 縦中央揃え */
  justify-content: center;  /* 横全体も中央揃え */
  gap: 48px;
}

.profile-img {
  width: 240px;
  height: 240px;
  object-fit: cover;
  display: block;
  border-radius: 16px;
  box-shadow: 0 10px 36px rgba(140,82,255,0.17);
  border: 4px solid #fff;
  background: #f3f6ff;
  transition: box-shadow 0.3s, transform 0.3s;
  margin: 0; /* 横並び用。中央にしたい場合は .about-container で調整 */
}
.profile-img:hover {
  box-shadow: 0 22px 48px rgba(140,82,255,0.22);
  transform: scale(1.04);
}

.about-text {
  text-align: left; /* 必要ならcenterでもOK */
}

/* モバイル対応 */
@media(max-width:768px){
  .about-container {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }
  .profile-img {
    width: 200px;
    height: 200px;
    margin-bottom: 20px;
  }
  .about-text {
    text-align: center;
  }
}

/* =====================
   LESSONS Part1
===================== */
.lessons-section {
  padding: 80px 20px;
  text-align: center;
}

.lessons-title {
  font-size: 64px;
  font-weight: 800;
  margin-bottom: 120px;
  background: linear-gradient(180deg, #8C52FF, #0057FF);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.part1 .subtitle {
   color: #1d1d1d;
   font-size: 30px;
   margin-bottom: 80px;
}
.part2 .subtitle {
   color: #1d1d1d;
   font-size: 30px;
   margin-bottom: 80px;
}
.part3 .subtitle {
  color: #1d1d1d;
  font-size: 30px;
  margin-bottom: 80px;
}

.lessons-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
}

.lesson-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 24px;
  text-align: left;
  box-shadow: 0px 6px 18px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.lesson-card:hover {
  transform: translateY(-6px);
  box-shadow: 0px 12px 26px rgba(0, 0, 0, 0.12);
}

/* タイトルの文字を大きく */
.lesson-card h4 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 14px;
  line-height: 1.25;
}

/* Part2 のカード内 h4 を中央に */
.part2 .lesson-card h4 {
  text-align: center;
}

section.part2 .lesson-card p {
  text-align: left;
  margin: 0 auto;
  max-width: 320px;
}

/* アイコン中央寄せ */
.icon-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 18px;
}

.icon-wrap img {
  display: block;
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.card-title, .number-content h4 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
}

.card-description, .number-content p {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 18px;
}

.card-price {
  display: block;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 14px;
  color: #111725;
}

.cta-button {
  display: inline-block;
  width: 100%;
  padding: 14px 0;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  transition: 0.3s ease;
}

.part1 .cta-button { background: #111725; }
.part1 .cta-button:hover { background: #2c3a53; }
.part2 .cta-button { background: #FF6A3D; }
.part2 .cta-button:hover { background: #ff4b14; }
.part3 .cta-button { background: #10b981; }
.part3 .cta-button:hover { background: #059669; }

.number-style .number {
  font-size: 60px;
  font-weight: bold;
  background: linear-gradient(90deg, #ff4747 0%, #ffb811 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;  
  margin-bottom: 12px;
  text-align: left;
}

.number-style .number-content {
  text-align: left;
}

.lesson-request-note {
  font-size: 20px;       
  color: #1d1d1d;        
  margin-top: 100px;      
  font-weight: 600;       
  text-align: center;     
}

@media (max-width: 640px) {
  .lessons-title {
    font-size: 32px;
  }
}


/* ================= Pricing Section ================= */
.pricing-section {
  padding: 120px 20px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

/* タイトル */
.pricing-title {
  font-size: 64px;
  font-weight: 800;
  margin-bottom: 120px;
  background: linear-gradient(180deg, #8C52FF, #0057FF);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* サブタイトル */
.pricing-subtitle {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 60px;
  color: #000;
}

/* グリッド */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

/* カード全体 */
.pricing-card {
  background: #fff;
  padding: 48px 36px;
  border-radius: 20px;
  box-shadow: 0 6px 25px rgba(0,0,0,0.12);
  text-align: center;
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}

/* カードホバー効果 */
.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.18);
}

/* コース名 */
.course-name {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 0;
  margin-top: -10px; /* 少し上にずらす */
}

/* コース名と内容の間の線 */
.course-divider {
  border: none;
  height: 1px;
  background-color: #e0e0e0;
  margin: 18px 0 30px 0;
}

/* セッション名 */
.course-details p.single,
.course-details p.package {
  font-size: 20px;
  font-weight: 600;
  margin: 12px 0 6px 0;
}

/* Single / Package の値段 */
.course-details .price {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
}

/* Single Session と 4-Session Package の間隔を広げる */
.course-details p.package {
  margin-top: 24px;
}

/* 元の価格と割引 */
.pricing-card .original {
  text-decoration: line-through;
  color: #888;
  margin-right: 10px;
}

.pricing-card .discount {
  font-weight: 700;
  color: #ff322e;
}

/* Most Popular バッジ */
.pricing-card.popular .badge {
  position: absolute;
  top: -12px;
  right: -12px;
  background: linear-gradient(45deg, #FF6B6B, #FF9A3C);
  color: #fff;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 20px;
  font-size: 15px;
}

/* モバイル対応 */
@media(max-width:768px){
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-title {
    font-size: 52px;
    margin-bottom: 40px;
  }

  .pricing-subtitle {
    font-size: 26px;
  }

  .course-name {
    font-size: 24px;
    margin-top: -6px;
  }

  .course-details p.single,
  .course-details p.package {
    font-size: 18px;
  }

  .course-details .price {
    font-size: 24px;
  }

  .course-details p.package {
    margin-top: 20px;
  }

  .pricing-card.popular .badge {
    font-size: 13px;
    padding: 8px 12px;
  }
}

.contact-section {
  padding: 100px 20px;
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-title {
  font-size: 60px;
  font-weight: 800;
  margin-bottom: 120px;
  background: linear-gradient(180deg, #8C52FF, #0057FF);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.contact-subtitle {
  font-size: 24px;
  margin-bottom: 50px;
  color: #000;
}

/* Contact 3ステップ */
.contact-steps {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 0;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.step-card {
  background: #f9f9f9;
  border-radius: 16px;
  padding: 24px 28px;
  min-width: 220px;
  max-width: 280px;
  flex: 1 1 220px;
  text-align: center;
  box-sizing: border-box;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.step-card:hover {
  background: #ece7fd;
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 12px 25px rgba(140, 82, 255, 0.08);
}

.step-icon {
  width: 54px;
  height: 54px;
  margin-bottom: 16px;
  object-fit: contain;
}

.step-number {
  font-size: 24px;
  font-weight: 800;
  color: #960606;
  margin-bottom: 16px;
}

.step-card p {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.5;
  color: #333;
}

.arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  margin: 0 18px; /* カードと矢印の間をあける */
}
.arrow::before {
  content: "＞";
  font-size: 60px;
  color: #000000;
  font-weight: bold;
}
.contact-steps .arrow:last-child {
  display: none;
}

/* モバイル対応 */
@media(max-width:768px){
  .contact-steps {
    flex-direction: column;
    gap: 0;
    align-items: center;
  }
  .step-card {
    width: 85%;
    padding: 20px 22px;
    min-width: unset;
    max-width: unset;
  }
  .step-icon {
    width: 42px;
    height: 42px;
    margin-bottom: 10px;
  }
  .arrow {
    width: 100%;
    height: 24px;
    margin: 10px 0;
    justify-content: center;
    align-items: center;
  }
  .arrow::before {
    content: "↓";
    font-size: 32px;
  }
}

.contact-buttons {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
  flex-direction: column;    /* ←縦並び！ */
  align-items: center;       /* ボタン自体も中央寄せ */
}

.contact-btn {
  display: flex;
  align-items: center;
  justify-content: center;    /* ←これ追加だけでもOK！ */
  gap: 20px;
  font-size: 26px;
  font-weight: 800;
  padding: 22px 54px;
  width: 800px;
  border-radius: 16px;
  text-decoration: none;
  transition: filter 0.23s, box-shadow 0.23s;
  border: none;
  box-shadow: 0 8px 30px rgba(0,0,0,0.07);
}

.contact-btn.line {
  background: #06c755;
  color: #fff;
}

.contact-btn.instagram {
  background: linear-gradient(90deg, #fdc468 0%, #fa7e1e 35%, #d62976 65%, #962fbf 100%);
  color: #fff;
}

.contact-btn span {
  display: inline-block;
  font-size: 26px;
  font-weight: 800;
  color: #fff;              /* どちらも白文字で */
  letter-spacing: 0.01em;
  text-align: center;
}

.contact-icon-wrap {
  flex: none;
  background: #fff;
  border-radius: 8px;
  padding: 11px;
  align-items: center;
  justify-content: center;
  margin-left: 2px;
  box-shadow: 0 2px 7px rgba(0,0,0,0.10);
}

.contact-icon {
  display: block;
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.contact-btn {
  transition: 
    filter 0.23s, 
    box-shadow 0.23s,
    background 0.24s,
    color 0.18s;
  cursor: pointer;
}

/* LINEボタンのhover */
.contact-btn.line:hover {
  filter: brightness(1.07) saturate(1.18);
  background: #20d061;
  color: #fff;
  box-shadow: 0 10px 36px rgba(6, 199, 85, 0.18);
}

/* Instagramボタンのhover（グラデ強調） */
.contact-btn.instagram:hover {
  filter: brightness(1.08) saturate(1.2);
  background: linear-gradient(90deg, #ffe375 0%, #fa7e1e 35%, #d62976 70%, #962fbf 100%);
  color: #fff;
  box-shadow: 0 10px 36px rgba(218, 41, 118, 0.17);
}

.contact-btn:hover {
  box-shadow:
    0 4px 16px rgba(0,0,0,0.09),
    0 0 0 8px rgba(0, 153, 255, 0.13);  /* 水色の光輪 */
  transform: translateY(-2px) scale(1.02);
  /* 既存のfilterやbackground指定と合わせてOK */
}

@media (max-width: 600px) {
  .contact-btn {
    padding: 16px 12px;
    font-size: 18px;
  }
  .contact-btn span {
    font-size: 18px;
  }
  .contact-icon {
    width: 28px;
    height: 28px;
  }
  .contact-icon-wrap {
    padding: 7px 7px;
    border-radius: 6px;
  }
}

.site-footer {
  width: 100%;
  padding: 32px 0 22px 0;
  background: linear-gradient(90deg, #f7fbff 0%, #ede6ff 100%);
  text-align: center;
  font-size: 1rem;
  margin-top: 56px;
  box-shadow: 0 -2px 15px rgba(0,0,0,0.06);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-width: 840px;
  margin: 0 auto;
}

.footer-copy {
  color: #777;
  font-size: 1.08em;
  margin-bottom: 4px;
  font-weight: 500;
}

.footer-social {
  display: flex;
  gap: 22px;
  justify-content: center;
  margin-top: 7px;
}

.footer-icon {
  background: #fff;
  padding: 8px 8px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  box-shadow: 0 1.5px 8px rgba(0,0,0,0.08);
  transition: box-shadow 0.19s, transform 0.19s;
}

.footer-icon img {
  display: block;
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.footer-icon:hover {
  box-shadow: 0 4px 19px rgba(0,0,0,0.13);
  transform: translateY(-3px) scale(1.07);
}

@media (max-width: 600px) {
  .site-footer {
    padding: 24px 0 12px 0;
    font-size: 0.94rem;
  }
  .footer-inner {
    max-width: 98vw;
    gap: 12px;
  }
  .footer-icon img {
    width: 27px;
    height: 27px;
  }
  .footer-icon {
    padding: 6px 6px;
    border-radius: 7px;
  }
}