/* ============================================
   名筆研究会 書道教室 - スタイルシート
   配色: 白、墨色、生成り、淡い朱色
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;600;700&family=Noto+Serif+JP:wght@400;600;700&display=swap');

/* --- CSS変数 --- */
:root {
  --color-white: #ffffff;
  --color-sumi: #2c2c2c;
  --color-sumi-light: #4a4a4a;
  --color-kinari: #f5f0e8;
  --color-kinari-dark: #ebe4d8;
  --color-shu: #c85a4a;
  --color-shu-light: #e8877a;
  --color-shu-pale: #f5d6d1;
  --color-gray: #888888;
  --color-gray-light: #e0e0e0;

  --font-main: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-accent: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;

  --max-width: 1100px;
  --header-height: 70px;
  --bottom-nav-height: 64px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --transition: 0.3s ease;
}

/* --- リセット --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-sumi);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

/* --- 共通 --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--color-kinari);
}

.section-title {
  font-family: var(--font-accent);
  font-size: 1.8rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 50px;
  position: relative;
  padding-bottom: 20px;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background-color: var(--color-shu);
  border-radius: 2px;
}

.section-title-en {
  display: block;
  font-family: var(--font-main);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-shu);
  text-transform: uppercase;
  margin-bottom: 6px;
}

/* --- ボタン --- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--color-shu);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-shu-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-large {
  padding: 18px 48px;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

/* --- 教室写真スライドショー --- */
.classroom-slider {
  position: relative;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.classroom-slides {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
}

.classroom-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.classroom-slide.active {
  opacity: 1;
}

.classroom-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.6);
  cursor: pointer;
  transition: background 0.3s;
}

.dot.active {
  background: #fff;
}

/* --- プレースホルダー画像 --- */
.placeholder-image {
  background-color: var(--color-kinari-dark);
  border: 2px dashed var(--color-gray-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray);
  font-size: 0.9rem;
  min-height: 250px;
  text-align: center;
}

.placeholder-small {
  min-height: 180px;
}


/* 指導内容：実際の写真 */
.curriculum-photo {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-kinari-dark);
}

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

.curriculum-card .curriculum-photo {
  border-bottom: 2px solid var(--color-gray-light);
}

.placeholder-portrait {
  min-height: 300px;
  max-width: 250px;
}

.placeholder-gallery {
  min-height: 200px;
  aspect-ratio: 4/3;
}

.placeholder-map {
  min-height: 300px;
  width: 100%;
}

/* ============================================
   ヘッダー
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-family: var(--font-accent);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-sumi);
  letter-spacing: 0.05em;
}

.logo-sub {
  font-size: 0.6rem;
  color: var(--color-gray);
  letter-spacing: 0.1em;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-list a {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-sumi-light);
  position: relative;
  padding: 4px 0;
}

.nav-list a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-shu);
  transition: width var(--transition);
}

.nav-list a:hover::after {
  width: 100%;
}

.nav-list a:hover {
  color: var(--color-shu);
}

.nav-cta {
  background-color: var(--color-shu);
  color: var(--color-white) !important;
  padding: 8px 14px !important;
  border-radius: var(--radius-sm);
  font-size: 0.78rem !important;
}

.nav-cta:hover {
  background-color: var(--color-shu-light) !important;
}

.nav-cta::after {
  display: none !important;
}

/* ハンバーガーメニュー */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-sumi);
  transition: all var(--transition);
  border-radius: 1px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   ヒーロー
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-kinari);
  background-image:
    radial-gradient(circle at 20% 50%, rgba(200, 90, 74, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(200, 90, 74, 0.03) 0%, transparent 50%);
  text-align: center;
  padding: 120px 20px 80px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(245, 240, 232, 0.3) 0%, rgba(255, 255, 255, 0.1) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background-color: var(--color-shu);
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 0.1em;
}

.hero-title {
  margin-bottom: 16px;
}

.hero-title-main {
  display: block;
  font-family: var(--font-accent);
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--color-sumi);
  letter-spacing: 0.12em;
  line-height: 1.4;
}

.hero-catch {
  font-family: var(--font-accent);
  font-size: 1.2rem;
  color: var(--color-shu);
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}

.hero-logo-wrap {
  margin: 0 auto 28px;
  max-width: 680px;
  width: 96%;
  position: relative;
}

.hero-logo-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom,
      var(--color-kinari) 0%,
      transparent 8%,
      transparent 88%,
      var(--color-kinari) 100%),
    linear-gradient(to right,
      var(--color-kinari) 0%,
      transparent 6%,
      transparent 94%,
      var(--color-kinari) 100%);
  pointer-events: none;
}

.hero-logo-img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-text {
  font-size: 1rem;
  color: var(--color-sumi-light);
  margin-bottom: 36px;
  line-height: 2;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   教室について
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-text p {
  margin-bottom: 16px;
  line-height: 2;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-highlights {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-kinari);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  border: 1px solid var(--color-kinari-dark);
}

.highlight-icon {
  font-size: 1.1rem;
}

/* ============================================
   こんなお子さまにおすすめ
   ============================================ */
.recommend-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.recommend-item {
  background-color: var(--color-white);
  padding: 30px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.recommend-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.recommend-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.recommend-item p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   指導内容
   ============================================ */
.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

.curriculum-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.curriculum-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.curriculum-card h3 {
  font-family: var(--font-accent);
  font-size: 1.05rem;
  padding: 20px 20px 8px;
  color: var(--color-sumi);
}

.curriculum-card p {
  padding: 0 20px 24px;
  font-size: 0.9rem;
  color: var(--color-sumi-light);
  line-height: 1.8;
}

.curriculum-card .placeholder-image {
  border-radius: 0;
  border: none;
  border-bottom: 2px dashed var(--color-gray-light);
}

/* 月間スケジュール */
.schedule-box {
  background-color: var(--color-kinari);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--color-kinari-dark);
}

.schedule-title {
  font-family: var(--font-accent);
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 24px;
  color: var(--color-sumi);
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.schedule-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.schedule-week {
  font-size: 0.85rem;
  color: var(--color-gray);
  font-weight: 500;
}

.schedule-content {
  display: block;
  width: 100%;
  text-align: center;
  padding: 12px 8px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.1em;
}

.schedule-content.fude {
  background-color: var(--color-sumi);
  color: var(--color-white);
}

.schedule-content.kouhitsu {
  background-color: var(--color-shu);
  color: var(--color-white);
}

.schedule-content.mixed {
  background: linear-gradient(135deg, var(--color-shu) 50%, var(--color-sumi) 50%);
  color: var(--color-white);
  font-size: 0.9rem;
}

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

.schedule-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-gray);
  margin-top: 12px;
}

.teacher-note {
  display: inline-block;
  background-color: var(--color-shu-pale);
  color: var(--color-shu);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
  border: 1px solid var(--color-shu);
}

/* 吹き出し＋イラスト */
.teacher-balloon {
  margin-top: 20px;
  margin-bottom: 4px;
}

.balloon-speech {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.balloon-text {
  position: relative;
  background-color: var(--color-shu-pale);
  color: var(--color-sumi);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1.5px solid var(--color-shu);
  line-height: 1.6;
  white-space: nowrap;
}

.balloon-text::before {
  content: '';
  position: absolute;
  bottom: 12px;
  left: -10px;
  border-width: 6px 10px 6px 0;
  border-style: solid;
  border-color: transparent var(--color-shu) transparent transparent;
}

.balloon-text::after {
  content: '';
  position: absolute;
  bottom: 13px;
  left: -8px;
  border-width: 5px 9px 5px 0;
  border-style: solid;
  border-color: transparent var(--color-shu-pale) transparent transparent;
}

/* 吹き出し：上向きの尖り（イラストが上・吹き出しが下） */
.balloon-bubble {
  position: relative;
  background-color: var(--color-shu-pale);
  color: var(--color-sumi);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 12px;
  border: 1.5px solid var(--color-shu);
  line-height: 1.6;
  white-space: nowrap;
  margin-top: 0;
}

.balloon-bubble::before {
  content: '';
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 0 7px 11px 7px;
  border-style: solid;
  border-color: transparent transparent var(--color-shu) transparent;
}

.balloon-bubble::after {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 0 6px 9px 6px;
  border-style: solid;
  border-color: transparent transparent var(--color-shu-pale) transparent;
}

.balloon-illust {
  width: 90px;
  height: auto;
  flex-shrink: 0;
  display: block;
  margin-bottom: 2px;
}

/* ============================================
   対象・クラス
   ============================================ */
.classes-info {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: start;
}

.classes-detail-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  min-width: 240px;
}

.classes-detail dt {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-shu);
  margin-bottom: 4px;
  margin-top: 14px;
}

.classes-detail dt:first-child {
  margin-top: 0;
}

.classes-detail dd {
  font-size: 1rem;
  color: var(--color-sumi);
  font-weight: 500;
}

.classes-table-wrapper {
  overflow-x: auto;
}

.classes-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.classes-table th,
.classes-table td {
  padding: 16px 20px;
  text-align: left;
  font-size: 0.95rem;
}

.classes-table thead {
  background-color: var(--color-sumi);
  color: var(--color-white);
}

.classes-table th {
  font-weight: 600;
  letter-spacing: 0.05em;
}

.classes-table tbody tr {
  border-bottom: 1px solid var(--color-gray-light);
}

.classes-table tbody tr:last-child {
  border-bottom: none;
}

.classes-table tbody tr:hover {
  background-color: var(--color-kinari);
}

.price-cell {
  font-weight: 700;
  color: var(--color-shu);
  font-size: 1.05rem;
}

.classes-note {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--color-gray);
  text-align: center;
  background-color: var(--color-white);
  padding: 12px 20px;
  border-radius: var(--radius-md);
}

/* ============================================
   料金
   ============================================ */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 30px;
}

.price-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.price-card-featured {
  border-color: var(--color-shu);
  border-width: 2px;
  position: relative;
}

.price-card-featured::before {
  content: "人気";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-shu);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 14px;
  border-radius: 10px;
}

.price-card-title {
  font-family: var(--font-accent);
  font-size: 1.1rem;
  color: var(--color-sumi);
  margin-bottom: 4px;
}

.price-card-target {
  font-size: 0.85rem;
  color: var(--color-gray);
  margin-bottom: 16px;
}

.price-card-amount {
  font-size: 1rem;
  color: var(--color-sumi);
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-gray-light);
}

.price-number {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-shu);
}

.price-card-detail {
  text-align: left;
  padding-left: 20px;
}

.price-card-detail li {
  font-size: 0.88rem;
  margin-bottom: 8px;
  position: relative;
  padding-left: 16px;
}

.price-card-detail li::before {
  content: "●";
  position: absolute;
  left: 0;
  color: var(--color-shu);
  font-size: 0.5rem;
  top: 0.5em;
}

.price-notes {
  background-color: var(--color-kinari);
  padding: 24px 28px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-shu);
}

.price-notes p {
  font-size: 0.88rem;
  color: var(--color-sumi-light);
  margin-bottom: 8px;
  line-height: 1.8;
}

.price-notes p:last-child {
  margin-bottom: 0;
}

/* ============================================
   講師紹介
   ============================================ */
.teacher-profile {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 40px;
  align-items: start;
}

.teacher-photo {
  width: 220px;
  height: 220px;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  border: 4px solid var(--color-kinari-dark);
  display: block;
}

.teacher-name {
  font-family: var(--font-accent);
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.teacher-title {
  font-size: 0.9rem;
  color: var(--color-shu);
  margin-bottom: 20px;
  font-weight: 600;
}

.teacher-career {
  margin-bottom: 20px;
}

.teacher-career dt {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--color-sumi);
}

.teacher-career dd ul {
  padding-left: 0;
}

.teacher-career dd li {
  font-size: 0.9rem;
  margin-bottom: 6px;
  padding-left: 16px;
  position: relative;
  color: var(--color-sumi-light);
}

.teacher-career dd li::before {
  content: "・";
  position: absolute;
  left: 0;
}

.teacher-message {
  font-size: 0.95rem;
  line-height: 2;
  padding: 20px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-shu);
  margin-bottom: 20px;
}

.teacher-contact {
  font-size: 0.9rem;
  background-color: var(--color-kinari);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  line-height: 1.8;
}

.teacher-contact a {
  color: var(--color-shu);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ============================================
   ギャラリー
   ============================================ */
.gallery-description {
  text-align: center;
  margin-bottom: 30px;
  color: var(--color-sumi-light);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition);
}

.gallery-item:hover {
  transform: scale(1.02);
}

.gallery-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.gallery-caption {
  font-size: 0.82rem;
  color: var(--color-gray);
  text-align: center;
  padding: 6px 8px;
  background-color: var(--color-white);
  margin: 0;
}

/* ============================================
   ギャラリー カルーセル（スマホ用）
   ============================================ */
.gallery-carousel {
  display: none; /* PCでは非表示 */
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
}

.carousel-track {
  display: flex;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.carousel-slide {
  min-width: 100%;
  position: relative;
  flex-shrink: 0;
}

.carousel-slide img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
}

.carousel-caption {
  font-size: 0.85rem;
  color: var(--color-sumi);
  text-align: center;
  padding: 10px 16px;
  background: var(--color-white);
  margin: 0;
  font-weight: 500;
}

/* 前後ボタン */
.carousel-btn {
  position: absolute;
  top: calc(260px / 2);
  transform: translateY(-50%);
  background: rgba(255,255,255,0.85);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 1.4rem;
  color: var(--color-sumi);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  z-index: 10;
  transition: background var(--transition), transform var(--transition);
  line-height: 1;
}

.carousel-btn:active {
  background: rgba(255,255,255,1);
  transform: translateY(-50%) scale(0.95);
}

.carousel-btn-prev {
  left: 10px;
}

.carousel-btn-next {
  right: 10px;
}

/* ドットインジケーター */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 12px 0 14px;
  background: var(--color-white);
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d0c8be;
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
  display: inline-block;
}

.carousel-dot.active {
  background: var(--color-shu);
  transform: scale(1.3);
}

/* ============================================
   アクセス
   ============================================ */
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.access-detail dt {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-shu);
  margin-bottom: 4px;
  padding-top: 16px;
}

.access-detail dt:first-child {
  padding-top: 0;
}

.access-detail dd {
  font-size: 0.95rem;
  color: var(--color-sumi-light);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-gray-light);
  line-height: 1.7;
}

.address-note {
  display: inline-block;
  font-size: 0.82rem;
  color: #2563eb;
  margin-top: 4px;
  font-style: italic;
}

.tel-link {
  color: var(--color-shu);
  font-weight: 700;
  font-size: 1.1rem;
}

.access-map {
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-embed-wrap {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.map-embed-wrap iframe {
  display: block;
  width: 100%;
}

.map-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-shu);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  padding: 16px 28px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background-color 0.2s, transform 0.2s;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.map-link-btn:hover {
  background-color: var(--color-shu-dark, #b03a2e);
  transform: translateY(-2px);
}

.map-link-icon {
  font-size: 1.2rem;
}

/* ============================================
   お問い合わせ
   ============================================ */
.contact-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact-text {
  font-size: 1.1rem;
  margin-bottom: 12px;
  line-height: 2;
}

.contact-text-sub {
  font-size: 0.9rem;
  color: var(--color-sumi-light);
  margin-bottom: 32px;
}

.contact-note {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--color-gray);
  margin-bottom: 32px;
}

.contact-tel-box {
  background-color: var(--color-kinari);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 16px;
}

.contact-tel-label {
  font-size: 0.85rem;
  color: var(--color-gray);
  margin-bottom: 8px;
}

.contact-tel-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-shu);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.contact-tel-name {
  font-size: 0.85rem;
  color: var(--color-sumi-light);
}

/* ============================================
   フッター
   ============================================ */
.footer {
  background-color: var(--color-sumi);
  color: var(--color-white);
  padding: 48px 0 24px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: start;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  margin-bottom: 24px;
}

.footer .logo-main {
  color: var(--color-white);
  font-size: 1.1rem;
}

.footer-address {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
  line-height: 1.8;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-nav a {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--color-white);
}

.footer-copyright {
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   スマホ用固定ボトムナビバー
   ============================================ */
.bottom-nav {
  display: none; /* デスクトップでは非表示 */
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background-color: var(--color-white);
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.1);
  z-index: 900;
  border-top: 1px solid var(--color-gray-light);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  height: 100%;
  color: var(--color-sumi-light);
  font-size: 0.65rem;
  font-weight: 500;
  gap: 3px;
  transition: color var(--transition), background-color var(--transition);
  position: relative;
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
  color: var(--color-shu);
  background-color: var(--color-shu-pale);
}

.bottom-nav-item.active::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-shu);
}

.bottom-nav-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.bottom-nav-label {
  font-size: 0.62rem;
  letter-spacing: 0.02em;
}

/* TELボタンは特別スタイル */
.bottom-nav-tel {
  background-color: var(--color-shu);
  color: var(--color-white) !important;
}

.bottom-nav-tel:hover {
  background-color: var(--color-shu-light) !important;
  color: var(--color-white) !important;
}

.bottom-nav-tel.active {
  background-color: var(--color-shu-light) !important;
  color: var(--color-white) !important;
}

.bottom-nav-tel.active::after {
  display: none;
}

/* ============================================
   レスポンシブ（タブレット）
   ============================================ */
@media (max-width: 900px) {
  .nav-list {
    gap: 14px;
  }

  .nav-list a {
    font-size: 0.78rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .recommend-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .curriculum-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .curriculum-card:last-child {
    grid-column: span 2;
  }

  .classes-info {
    grid-template-columns: 1fr;
  }

  .price-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .teacher-profile {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .teacher-image {
    display: flex;
    justify-content: center;
  }

  .teacher-message {
    text-align: left;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .access-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   レスポンシブ（スマートフォン）
   ============================================ */
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  /* ボトムナビ表示 */
  .bottom-nav {
    display: flex;
  }

  /* ボトムナビ分のパディングをフッターに追加 */
  .footer {
    padding-bottom: calc(24px + var(--bottom-nav-height));
  }

  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition);
    padding: 80px 30px 30px;
    overflow-y: auto;
    z-index: 999;
  }

  .nav.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list li {
    border-bottom: 1px solid var(--color-gray-light);
  }

  .nav-list a {
    display: block;
    padding: 16px 0;
    font-size: 0.95rem;
  }

  .nav-list a::after {
    display: none;
  }

  .nav-cta {
    margin-top: 16px;
    text-align: center;
    border-radius: var(--radius-md) !important;
    padding: 14px 16px !important;
  }

  .hero {
    min-height: 85vh;
    padding: 100px 20px 80px;
  }

  .hero-title-main {
    font-size: 2.2rem;
  }

  .hero-catch {
    font-size: 1rem;
  }

  .hero-text {
    font-size: 0.95rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.5rem;
    margin-bottom: 36px;
  }

  .about-highlights {
    justify-content: center;
  }

  .recommend-list {
    grid-template-columns: 1fr;
  }

  .curriculum-grid {
    grid-template-columns: 1fr;
  }

  .curriculum-card:last-child {
    grid-column: span 1;
  }

  .schedule-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .classes-table th,
  .classes-table td {
    padding: 12px 14px;
    font-size: 0.85rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
  }

  .footer-nav ul {
    flex-direction: column;
    gap: 10px;
  }

  /* モバイルメニュー背景オーバーレイ */
  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 998;
  }

  .nav-overlay.active {
    display: block;
  }
}

@media (max-width: 768px) {
  /* スマホではグリッドを非表示、カルーセルを表示 */
  .gallery-grid {
    display: none;
  }
  .gallery-carousel {
    display: block;
  }
}

@media (max-width: 480px) {
  .hero-title-main {
    font-size: 1.8rem;
  }

  .btn-large {
    padding: 16px 32px;
    font-size: 1rem;
  }

  .price-grid {
    max-width: 100%;
  }

  .contact-tel-number {
    font-size: 1.5rem;
  }
}

/* ============================================
   アニメーション（スクロール表示）
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.time-note {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--color-sumi-light);
  line-height: 1.6;
}