/* ============================================================
   Music School Theme - main.css
   PC(1440px) / Tablet(768px) / Mobile(390px) 完全対応
   ============================================================ */

/* ============================================================
   1. CSS カスタムプロパティ（デザイントークン）
   ============================================================ */
:root {
  /* カラー */
  --color-primary:       #8BC34A;
  --color-primary-dark:  #6fa32e;
  --color-primary-light: #EAF7D8;
  --color-pink:          #F7A8C4;
  --color-pink-dark:     #e07898;
  --color-pink-light:    #fde8f0;
  --color-yellow:        #FFD54F;
  --color-yellow-light:  #FFF8E1;
  --color-cream:         #FFF9EF;
  --color-cream-dark:    #FFF0D8;
  --color-white:         #ffffff;
  --color-text:          #555555;
  --color-text-light:    #999999;
  --color-text-dark:     #333333;
  --color-border:        #ede5d8;

  /* タイポグラフィ */
  --font-base:    'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-rounded: 'M PLUS Rounded 1c', 'Noto Sans JP', sans-serif;

  --fs-xs:   0.75rem;   /* 12px */
  --fs-sm:   0.875rem;  /* 14px */
  --fs-base: 1rem;      /* 16px */
  --fs-md:   1.125rem;  /* 18px */
  --fs-lg:   1.25rem;   /* 20px */
  --fs-xl:   1.5rem;    /* 24px */
  --fs-2xl:  1.875rem;  /* 30px */
  --fs-3xl:  2.25rem;   /* 36px */
  --fs-4xl:  3rem;      /* 48px */
  --fs-5xl:  3.75rem;   /* 60px */

  --fw-normal: 400;
  --fw-medium: 500;
  --fw-bold:   700;
  --fw-black:  800;

  --lh-tight:  1.2;
  --lh-normal: 1.6;
  --lh-loose:  1.8;

  /* スペーシング */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ボーダー半径 */
  --radius-sm:   0.5rem;
  --radius-md:   1rem;
  --radius-lg:   1.5rem;
  --radius-xl:   2rem;
  --radius-2xl:  2.5rem;
  --radius-full: 9999px;

  /* シャドウ */
  --shadow-sm:  0 2px 8px rgba(139,195,74,0.10);
  --shadow-md:  0 4px 20px rgba(139,195,74,0.15);
  --shadow-lg:  0 8px 40px rgba(139,195,74,0.20);
  --shadow-card:0 4px 24px rgba(0,0,0,0.08);

  /* トランジション */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;

  /* コンテナ */
  --container-max: 1200px;
  --container-padding: clamp(1rem, 4vw, 2rem);

  /* ヘッダー高さ */
  --header-height: 72px;
}

/* ============================================================
   2. リセット & ベーススタイル
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  overflow-x: clip; /* hiddenはsticky positioningを壊すためclipを使用 */
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-size: var(--fs-base);
  font-weight: var(--fw-normal);
  line-height: var(--lh-loose);
  color: var(--color-text);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  opacity: 0.8;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-rounded);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--color-text-dark);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  z-index: 9999;
}
.skip-link:focus {
  top: 0;
}

/* ============================================================
   3. ユーティリティ
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-padding);
}

.text--accent {
  color: var(--color-primary);
  position: relative;
}

/* SP専用改行 / PC非表示 */
.sp-only {
  display: none;
}
@media (max-width: 767px) {
  .sp-only {
    display: block;
  }
}

.text--pink {
  color: var(--color-pink);
}

.wysiwyg p {
  margin-bottom: var(--space-4);
  line-height: var(--lh-loose);
}

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

.mst-note-icon {
  width: 1.5em;
  height: 1.5em;
  flex-shrink: 0;
}

/* タグ */
.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}

.tag--green {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.tag--pink {
  background-color: var(--color-pink-light);
  color: #c06080;
}

/* セクションヘッダー */
.section-header {
  text-align: center;
  margin-bottom: var(--space-14, 3.5rem);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-header__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--color-pink-dark);
  background: var(--color-pink-light);
  border-radius: var(--radius-full);
  padding: 5px var(--space-4);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.section-header__label .mst-note-icon {
  color: var(--color-pink-dark);
  width: 1.1em;
  height: 1.1em;
}

.section-header__title {
  font-size: clamp(var(--fs-2xl), 4vw, 2.6rem);
  font-weight: var(--fw-black);
  color: var(--color-text-dark);
  margin-bottom: var(--space-3);
  position: relative;
  display: inline-block;
}

/* タイトル下の手書き風ウェーブ下線 */
.section-header__title::after {
  content: '';
  display: block;
  margin: var(--space-3) auto 0;
  width: 60%;
  height: 6px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 10'%3E%3Cpath d='M0 5 Q15 0 30 5 Q45 10 60 5 Q75 0 90 5 Q105 10 120 5' stroke='%23F7A8C4' stroke-width='3' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") repeat-x center;
  background-size: 60px 6px;
}

.section-header__desc {
  font-size: var(--fs-md);
  color: var(--color-text-light);
  max-width: 38rem;
  margin-inline: auto;
  margin-top: var(--space-3);
  line-height: var(--lh-loose);
}

/* ============================================================
   4. ボタン
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-rounded);
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  line-height: 1;
  transition: all var(--transition-normal);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn--primary {
  background: linear-gradient(135deg, #8BC34A 0%, #6fa32e 100%);
  color: var(--color-white);
  box-shadow: 0 5px 18px rgba(139,195,74,0.40), 0 2px 6px rgba(139,195,74,0.20);
  letter-spacing: 0.03em;
}

.btn--primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 28px rgba(139,195,74,0.50), 0 4px 10px rgba(139,195,74,0.25);
  opacity: 1;
}

/* ピンクCTAボタン — 申込強調用 */
.btn--pink {
  background: linear-gradient(135deg, #F7A8C4 0%, #e07898 100%);
  color: var(--color-white);
  box-shadow: 0 5px 18px rgba(247,168,196,0.45), 0 2px 6px rgba(247,168,196,0.25);
  letter-spacing: 0.03em;
}

.btn--pink:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 28px rgba(247,168,196,0.55);
  opacity: 1;
}

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

.btn--outline:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  opacity: 1;
}

.btn--sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--fs-sm);
}

/* LINE ボタン */
.btn--line {
  background: #06C755;
  color: #ffffff;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--fw-bold);
}

.btn--line:hover {
  background: #05a848;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6,199,85,0.35);
  color: #ffffff;
}

/* Hero の LINE ボタン */
.hero__cta-btn--line {
  background: linear-gradient(135deg, #06C755 0%, #05a848 100%);
  box-shadow: 0 6px 24px rgba(6,199,85,0.4), 0 2px 8px rgba(0,0,0,0.1);
}

.hero__cta-btn--line:hover {
  background: linear-gradient(135deg, #05b84d 0%, #049040 100%);
  box-shadow: 0 10px 32px rgba(6,199,85,0.5), 0 4px 12px rgba(0,0,0,0.12);
}

.hero__cta-btn--line .hero__cta-btn-icon {
  display: flex;
  align-items: center;
}

.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--fs-lg);
}

.btn--full {
  width: 100%;
}

.btn__icon {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
}

/* ============================================================
   5. Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,249,239,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 2px solid var(--color-pink-light);
  box-shadow: 0 2px 16px rgba(247,168,196,0.12), 0 1px 4px rgba(0,0,0,0.04);
  overflow: visible;
}

/* ヘッダー右端の葉っぱ装飾 */
.site-header__leaves {
  position: absolute;
  top: 0;
  right: 0;
  width: 220px;
  height: 100%;
  pointer-events: none;
  overflow: visible;
  z-index: 0;
}

.hdr-leaf, .hdr-dot {
  position: absolute;
  border-radius: 50% 0 50% 0;
}

/* 個別葉っぱ */
.hdr-leaf--1 { width:18px; height:30px; background:linear-gradient(135deg,#AED581,#7CB342); opacity:.55; top:-4px; right:24px;  transform:rotate(25deg);  filter:blur(0.3px); }
.hdr-leaf--2 { width:11px; height:18px; background:linear-gradient(135deg,#C5E1A5,#8BC34A); opacity:.50; top:8px;  right:44px;  transform:rotate(-40deg); filter:blur(0.4px); }
.hdr-leaf--3 { width:22px; height:36px; background:linear-gradient(135deg,#8BC34A,#558B2F); opacity:.38; top:-8px; right:70px;  transform:rotate(55deg);  }
.hdr-leaf--4 { width:9px;  height:15px; background:linear-gradient(135deg,#DCEDC8,#AED581); opacity:.60; top:16px; right:18px;  transform:rotate(-20deg); filter:blur(0.3px); }
.hdr-leaf--5 { width:14px; height:22px; background:linear-gradient(135deg,#B2DFDB,#4DB6AC); opacity:.45; top:-2px; right:100px; transform:rotate(-55deg); filter:blur(0.4px); }
.hdr-leaf--6 { width:7px;  height:12px; background:linear-gradient(135deg,#C8E6C9,#81C784); opacity:.55; top:20px; right:80px;  transform:rotate(35deg);  filter:blur(0.5px); }

/* 水玉 */
.hdr-dot { border-radius: 50%; }
.hdr-dot--1 { width:10px; height:10px; background:radial-gradient(circle,rgba(244,143,177,0.65) 0%,rgba(244,143,177,0) 70%); top:6px;  right:56px;  }
.hdr-dot--2 { width:7px;  height:7px;  background:radial-gradient(circle,rgba(174,213,129,0.70) 0%,rgba(174,213,129,0) 70%); top:28px; right:36px;  }
.hdr-dot--3 { width:12px; height:12px; background:radial-gradient(circle,rgba(255,213,79,0.55)  0%,rgba(255,213,79,0)  70%); top:14px; right:120px; }

/* SP では葉っぱ非表示（スペースが狭いため） */
@media (max-width: 640px) {
  .site-header__leaves { display: none; }
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: var(--header-height);
}

/* ロゴ */
.site-header__logo {
  flex-shrink: 0;
  overflow: visible; /* マスコットのはみ出しを許可 */
  position: relative;
  z-index: 10;
}

.site-header__logo a img {
  height: 48px;
  width: auto;
}

.site-header__logo-text {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-rounded);
  font-size: var(--fs-lg);
  font-weight: var(--fw-black);
  color: var(--color-primary-dark);
  text-decoration: none;
}

/* ====== 教室名ロゴ文字（共通） ====== */
.mst-school-name {
  font-family: 'Klee One', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  font-weight: 600;
  font-size: 1.15em;
  color: #7B5435;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

/* ヘッダー内は少し大きく */
.site-header__logo-text .mst-school-name {
  font-size: 1.2em;
}

/* ロゴ名 + タグライン縦積みラッパー */
.site-header__logo-name-wrap {
  display: inline-flex;
  flex-direction: column;
  gap: 1px;
}

/* PC: タグラインを同行右横に */
@media (min-width: 641px) {
  .site-header__logo-name-wrap {
    flex-direction: row;
    align-items: baseline;
    gap: 8px;
  }
}

/* タグライン共通 */
.site-header__logo-tagline {
  font-family: 'Klee One', 'Hiragino Mincho ProN', serif;
  font-size: 0.70em;
  color: #9B7355;
  letter-spacing: 0.04em;
  white-space: nowrap;
  line-height: 1.3;
}

/* スマホ: タグライン文字さらに小さく */
@media (max-width: 640px) {
  .site-header__logo-tagline {
    font-size: 0.62em;
    opacity: 0.85;
  }
}

/* フッター内は少し小さく */
.site-footer__logo-text .mst-school-name {
  font-size: 1em;
  color: #7B5435;
}

/* マスコットキャラクター */
.site-header__mascot {
  width: 64px;
  height: 64px;
  object-fit: contain;
  flex-shrink: 0;
  border: none;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  filter: drop-shadow(0 4px 8px rgba(247,168,196,0.40));
  /* ヘッダーは静止画 */
}

/* プレースホルダー（画像未設定時） */
.site-header__mascot--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-pink-light));
  font-size: 1.8rem;
  border: 2px solid var(--color-pink-light);
  flex-shrink: 0;
  filter: none;
  animation: none;
}

.site-header__logo-icon {
  color: var(--color-primary);
  width: 28px;
  height: 28px;
}

/* ナビ */
.site-nav {
  flex: 1;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.site-nav__list li a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.site-nav__list li a:hover,
.site-nav__list li.current-menu-item a {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  opacity: 1;
}

/* CTAボタン */
.site-header__cta {
  flex-shrink: 0;
}

/* ハンバーガー */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  margin-left: auto;
  transition: background var(--transition-normal);
}

.hamburger:hover {
  background: var(--color-primary-light);
}

.hamburger__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-dark);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  transform-origin: center;
}

.hamburger.is-active .hamburger__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.is-active .hamburger__bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.is-active .hamburger__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* SPメニュー */
.sp-menu {
  position: fixed;
  top: var(--header-height);
  right: 0;
  width: min(320px, 85vw);
  height: calc(100dvh - var(--header-height));
  background: var(--color-white);
  border-left: 1px solid var(--color-border);
  box-shadow: -8px 0 32px rgba(0,0,0,0.12);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  z-index: 99;
  overflow-y: auto;
  display: none;
}

.sp-menu.is-open {
  transform: translateX(0);
}

.sp-menu__nav {
  padding: var(--space-6);
}

.sp-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
}

.sp-menu__list li a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  color: var(--color-text-dark);
  border-radius: var(--radius-md);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.sp-menu__list li a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding-left: var(--space-6);
  opacity: 1;
}

.sp-menu__cta {
  padding-top: var(--space-4);
}

.sp-menu__mascot-card {
  margin-top: var(--space-4);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(247,168,196,0.20);
}

.sp-menu__mascot-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
}

.sp-menu__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 98;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
  display: none;
}

.sp-menu__overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* ============================================================
   6. Hero セクション — ビジュアル画像版
   ============================================================ */

.hero--visual {
  display: block;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

/* PC/SP 共通: 全幅・高さ自動 */
.hero__img {
  display: block;
  width: 100%;
  height: auto;
}

/* デフォルト: PC画像を表示、SP画像を非表示 */
.hero__img--pc { display: block; }
.hero__img--sp { display: none; }

/* SP (≤640px): hero を viewport に完全固定 */
@media (max-width: 640px) {
  body {
    max-width: 100%;
  }

  section.hero--visual {
    position: static !important;
    transform: none !important;
    left: auto !important;
    right: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
  }

  img.hero__img--pc { display: none !important; }

  img.hero__img--sp {
    display: block !important;
    position: static !important;
    transform: none !important;
    left: auto !important;
    right: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    object-fit: fill !important;
  }
}

/* ============================================================
   6-B. ヘッダー中間サイズ対応（1025〜1280px）
   ナビ項目が多いためこの範囲でもハンバーガーに切り替え
   ============================================================ */
@media (min-width: 1025px) and (max-width: 1280px) {
  .site-nav,
  .site-header__cta {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .sp-menu,
  .sp-menu__overlay {
    display: block;
  }
}

/* ============================================================
   7. セクション共通
   ============================================================ */
.site-main section {
  padding-block: clamp(var(--space-16), 9vw, 7rem);
}

/* Hero・ごあいさつ は padding 不要（specificity 上書き） */
.site-main section.hero--visual,
.site-main section.greeting-section {
  padding: 0;
  margin: 0;
}

/* セクション境界のやわらかな波 */
.about-section,
.teacher-section,
.access-section {
  position: relative;
}

/* ============================================================
   YouTube セクション
   ============================================================ */
.youtube-section {
  padding: var(--space-16) 0;
  background: #fff;
}

.youtube-section__inner {
  max-width: var(--container-max);
}

/* PC: 2列横並び */
.youtube-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

/* 動画アイテム: 16:9比率 */
.youtube-item {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.youtube-item iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* プレースホルダー */
.youtube-item__placeholder {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #f0f7f0 0%, #e8f4e8 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--color-primary-dark);
}

.youtube-item__placeholder span {
  font-size: 3rem;
  opacity: 0.4;
}

.youtube-item__placeholder p {
  font-size: var(--fs-sm);
  text-align: center;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.about-grid,
.teacher-card,
.access-grid {
  position: relative;
  z-index: 1;
}

/* ============================================================
   8. 教室紹介 Section
   ============================================================ */
.about-section {
  background: var(--color-white);
  position: relative;
  overflow: hidden;
}

/* 右下に薄いピンク丸装飾 */
.about-section::after {
  content: '';
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-pink-light), transparent 70%);
  bottom: -120px;
  right: -80px;
  pointer-events: none;
  opacity: 0.7;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 680px;
  margin-inline: auto;
}

.about-image-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

.about-image-card__img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
}

.about-image-card--placeholder {
  aspect-ratio: 4/3;
  background: var(--color-primary-light);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-card__placeholder-inner {
  text-align: center;
  color: var(--color-primary);
  font-size: 3rem;
}

.about-image-card__deco {
  position: absolute;
  bottom: -12px;
  right: -12px;
  background: var(--color-pink);
  border-radius: 50%;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-card__note {
  color: var(--color-white);
  width: 32px;
  height: 32px;
}

.about-section__title {
  font-size: clamp(var(--fs-xl), 2.5vw, var(--fs-2xl));
  margin-bottom: var(--space-6);
}

.about-section__text {
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.about-section__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.about-section__features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
}

.about-section__feature-icon {
  font-size: 1.3em;
}

/* ---- フォトストリップ（スクロール出現） ---- */

/* PC：横一列4枚・それぞれバラバラな角度 */
.about-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-12);
  align-items: center; /* 傾きで高さがずれるのを吸収 */
}

/* 全アイテム共通：初期状態（非表示 + 下にずれ） */
.about-strip__item {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

/* 各カード：バラバラな傾き＋出現タイミング */
.about-strip__item--1 {
  transform: translateY(36px) rotate(3deg);
  transition-delay: 0.05s;
}
.about-strip__item--2 {
  transform: translateY(28px) rotate(-4.5deg);
  transition-delay: 0.18s;
}
.about-strip__item--3 {
  transform: translateY(40px) rotate(2deg);
  transition-delay: 0.30s;
}
.about-strip__item--4 {
  transform: translateY(24px) rotate(-3deg);
  transition-delay: 0.42s;
}

/* 出現後：傾きを保ったまま浮かび上がる */
.about-strip__item.is-visible   { opacity: 1; }
.about-strip__item--1.is-visible { transform: translateY(0) rotate(3deg); }
.about-strip__item--2.is-visible { transform: translateY(0) rotate(-4.5deg); }
.about-strip__item--3.is-visible { transform: translateY(0) rotate(2deg); }
.about-strip__item--4.is-visible { transform: translateY(0) rotate(-3deg); }

.about-strip__photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  box-shadow: 0 8px 28px rgba(0,0,0,0.14);
  background: var(--color-primary-light);
}

.about-strip__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-strip__photo--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: var(--color-primary);
}

/* タブレット（768px以下）：2列×2行 */
@media (max-width: 768px) {
  .about-strip {
    grid-template-columns: repeat(2, 1fr);
    max-width: 400px;
    margin-inline: auto;
    gap: var(--space-3);
  }
}

/* スマホ：2列×2行（さらにコンパクト）・角度もそれぞれ個別に */
@media (max-width: 640px) {
  .about-strip {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    max-width: 300px;
    margin-inline: auto;
    margin-top: var(--space-8);
    gap: var(--space-2);
    overflow: hidden;
  }

  .about-strip__item {
    flex: unset;
    max-width: unset;
  }

  /* スマホ用の初期状態（傾き保持） */
  .about-strip__item--1 { transform: translateY(24px) rotate(3deg); }
  .about-strip__item--2 { transform: translateY(20px) rotate(-4.5deg); }
  .about-strip__item--3 { transform: translateY(28px) rotate(2deg); }
  .about-strip__item--4 { transform: translateY(18px) rotate(-3deg); }

  /* スマホ用の出現後 */
  .about-strip__item--1.is-visible { transform: translateY(0) rotate(3deg); }
  .about-strip__item--2.is-visible { transform: translateY(0) rotate(-4.5deg); }
  .about-strip__item--3.is-visible { transform: translateY(0) rotate(2deg); }
  .about-strip__item--4.is-visible { transform: translateY(0) rotate(-3deg); }

  .about-strip__photo {
    aspect-ratio: 3/4;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  }
}

/* ============================================================
   9. 選ばれる理由 Section
   ============================================================ */
.reasons-section {
  background: var(--color-white);
  position: relative;
  overflow: hidden;
}

/* 背景ドット装飾 */
.reasons-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(139,195,74,0.18) 2px, transparent 2px);
  background-size: 30px 30px;
  pointer-events: none;
}

.reasons-section .reasons-section__inner,
.reasons-section .section-header,
.reasons-section .reasons-grid {
  position: relative;
  z-index: 1;
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-7, 1.75rem);
}

/* カード */
.reason-card {
  background: var(--color-white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
  display: flex;
  flex-direction: column;
  transition: transform 0.26s ease, box-shadow 0.26s ease;
  border: 1.5px solid rgba(139,195,74,0.12);
}

.reason-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(139,195,74,0.14), 0 4px 12px rgba(0,0,0,0.05);
}

/* 1. 見出しエリア */
.reason-card__header {
  padding: var(--space-5) var(--space-5) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

/* 番号 */
.reason-card__num {
  font-family: var(--font-rounded);
  font-size: 1.5rem;
  font-weight: var(--fw-black);
  line-height: 1;
  flex-shrink: 0;
  user-select: none;
}
.reason-card--green  .reason-card__num { color: #8BC34A; }
.reason-card--pink   .reason-card__num { color: #F7A8C4; }
.reason-card--yellow .reason-card__num { color: #FFB300; }

.reason-card__title {
  font-size: var(--fs-base);
  font-weight: var(--fw-black);
  color: var(--color-text-dark);
  line-height: 1.4;
}

/* 上部カラーバー（ヘッダー左端） */
.reason-card--green  .reason-card__header { border-left: 4px solid #8BC34A; }
.reason-card--pink   .reason-card__header { border-left: 4px solid #F7A8C4; }
.reason-card--yellow .reason-card__header { border-left: 4px solid #FFB300; }

/* 2. 写真エリア */
.reason-card__image-wrap {
  overflow: hidden;
}

.reason-card__image {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.reason-card:hover .reason-card__image {
  transform: scale(1.05);
}

/* 理由③(発表会写真): 顔が見えるよう少し上寄りに表示 */
.reason-card:nth-child(3) .reason-card__image {
  object-position: center 25%;
}

.reason-card__image--placeholder {
  height: 160px;
}
.reason-card--green  .reason-card__image--placeholder { background: linear-gradient(135deg, #EAF7D8, #c8edaa); }
.reason-card--pink   .reason-card__image--placeholder { background: linear-gradient(135deg, #fde8f0, #fcc0d9); }
.reason-card--yellow .reason-card__image--placeholder { background: linear-gradient(135deg, #FFF8E1, #ffe7a0); }

/* 3. 説明エリア */
.reason-card__body {
  padding: var(--space-4) var(--space-5) var(--space-5);
  flex: 1;
}

.reason-card__desc {
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  line-height: var(--lh-loose);
}

/* reasons 吹き出しコメント */
.reasons-callout {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 28px auto 0;
  max-width: 640px;
  background: #fff;
  border: 2px solid rgba(247, 168, 196, 0.5);
  border-radius: 18px;
  padding: 16px 22px;
  box-shadow: 0 3px 12px rgba(247, 168, 196, 0.18);
  position: relative;
}
.reasons-callout::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 28px;
  border-width: 0 10px 12px;
  border-style: solid;
  border-color: transparent transparent rgba(247, 168, 196, 0.5);
}
.reasons-callout::after {
  content: '';
  position: absolute;
  top: -9px;
  left: 30px;
  border-width: 0 8px 10px;
  border-style: solid;
  border-color: transparent transparent #fff;
}
.reasons-callout__icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  line-height: 1;
}
.reasons-callout__text {
  font-size: 0.88rem;
  color: #555;
  line-height: 1.8;
  font-weight: 600;
  margin: 0;
}
@media (max-width: 640px) {
  .reasons-callout { padding: 13px 16px; gap: 10px; }
  .reasons-callout__text { font-size: 0.83rem; }
}

/* reasons セクション下部 LINE CTA */
.reasons-section__cta {
  margin-top: var(--space-12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  position: relative;
  z-index: 1;
}

.reasons-section__line-btn {
  font-size: var(--fs-base);
  padding: 20px 36px;   /* 縦1.5倍: 12px → 20px */
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #06C755 0%, #05a848 100%);
  box-shadow: 0 6px 24px rgba(6,199,85,0.38), 0 2px 8px rgba(0,0,0,0.08);
  letter-spacing: 0.03em;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.reasons-section__line-btn:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 14px 36px rgba(6,199,85,0.52), 0 4px 12px rgba(0,0,0,0.1);
  background: linear-gradient(135deg, #08e060 0%, #06C755 100%);
  opacity: 1;
}

.reasons-section__line-btn:active {
  transform: translateY(-1px) scale(0.99);
  box-shadow: 0 4px 14px rgba(6,199,85,0.38);
}

@media (max-width: 640px) {
  .reasons-section__line-btn {
    font-size: var(--fs-sm);
    padding: 16px 28px;  /* 縦1.5倍: 10px → 16px */
  }
}

/* ============================================================
   10. コース紹介 Section
   ============================================================ */
.courses-section {
  background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-primary-light) 100%);
  position: relative;
}

.courses-section__bg-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

/* 上部のやわらかウェーブ */
.courses-section__wave {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--color-white);
  clip-path: ellipse(58% 100% at 50% 0%);
}

.courses-section__inner {
  position: relative;
  z-index: 1;
}

/* コース紹介セクション — "紹介"の右上マスコット */
.courses-section__mascot {
  position: absolute;
  /* section-headerを基点に "紹介" の右上へ */
  bottom: 135px;
  left: calc(50% + 117px);
  width: 100px;
  transform: rotate(14deg);
  z-index: 5;
  pointer-events: none;
  filter: drop-shadow(0 6px 14px rgba(247,168,196,0.40));
  animation: courseMascotFloat 4s ease-in-out infinite;
}

.courses-section__mascot img {
  width: 100%;
  height: auto;
  display: block;
}

@keyframes courseMascotFloat {
  0%, 100% { transform: rotate(14deg) translateY(0); }
  50%       { transform: rotate(11deg) translateY(-5px); }
}

@media (max-width: 640px) {
  .courses-section__mascot {
    width: 65px;
    bottom: auto;
    top: 10px;
    left: calc(50% + 81px);
  }
}

/* ---- カードグリッド ---- */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

/* 5枚時: 仮想6列グリッドにして2行目2枚を中央揃え */
.courses-grid:has(.course-card:nth-child(5):last-child) {
  grid-template-columns: repeat(6, 1fr);
}
.courses-grid:has(.course-card:nth-child(5):last-child) .course-card {
  grid-column: span 2;
}
.courses-grid:has(.course-card:nth-child(5):last-child) .course-card:nth-child(4) {
  grid-column: 2 / 4;
}
.courses-grid:has(.course-card:nth-child(5):last-child) .course-card:nth-child(5) {
  grid-column: 4 / 6;
}

/* 6枚時: 3×2で均等配置（デフォルトのrepeat(3,1fr)がそのまま適用） */
.courses-grid:has(.course-card:nth-child(6):last-child) {
  grid-template-columns: repeat(3, 1fr);
}

/* ---- カード本体 ---- */
.course-card {
  background: var(--color-white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.07), 0 1px 4px rgba(0,0,0,0.04);
  display: flex;
  flex-direction: column;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
  position: relative;
}

.course-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 48px rgba(139,195,74,0.18), 0 6px 16px rgba(0,0,0,0.06);
}

.course-card--featured {
  border: 2.5px solid var(--color-primary);
  box-shadow: 0 6px 32px rgba(139,195,74,0.16), 0 2px 8px rgba(139,195,74,0.10);
}

/* おすすめバッジ */
.course-card__badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 2;
  background: linear-gradient(135deg, var(--color-pink) 0%, var(--color-pink-dark) 100%);
  color: var(--color-white);
  font-size: var(--fs-xs);
  font-weight: var(--fw-black);
  padding: 4px var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  box-shadow: 0 3px 10px rgba(247,168,196,0.45);
}

/* 1. 見出しエリア */
.course-card__header {
  padding: var(--space-4) var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.course-card__title {
  font-size: var(--fs-base);
  font-weight: var(--fw-black);
  color: var(--color-text-dark);
  line-height: 1.4;
}

/* 対象年齢バッジ（ヘッダー内・インライン） */
.course-card__age-badge {
  display: inline-block;
  align-self: flex-start;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  padding: 3px var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid rgba(139,195,74,0.35);
}

/* 2. 写真エリア */
.course-card__image-wrap {
  position: relative;
  overflow: hidden;
}

.course-card__image {
  width: 100%;
  height: 140px;
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}

.course-card:hover .course-card__image {
  transform: scale(1.06);
}

.course-card__image--placeholder {
  height: 140px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-pink-light) 100%);
}

/* 3. 説明エリア */
.course-card__body {
  padding: var(--space-3) var(--space-4) var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.course-card__desc {
  font-size: var(--fs-xs);
  color: var(--color-text-light);
  line-height: 1.6;
  flex: 1;
}

.course-card__btn {
  margin-top: auto;
  font-size: var(--fs-xs);
  padding: var(--space-2) var(--space-4);
  background: #06C755 !important;
  color: #ffffff !important;
  border: none !important;
  box-shadow: 0 3px 10px rgba(6,199,85,0.25) !important;
}

.course-card__btn:hover {
  background: #05a848 !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(6,199,85,0.35) !important;
  opacity: 1;
}

/* 空状態メッセージ */
.courses-empty__notice,
.voices-empty__notice,
.events-empty__notice {
  text-align: center;
  margin-top: var(--space-8);
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  padding: var(--space-4) var(--space-6);
  background: rgba(255,255,255,0.7);
  border-radius: var(--radius-lg);
  border: 1.5px dashed var(--color-border);
}

/* ============================================================
   10b. コース横長カード（DTM等）
   ============================================================ */
.course-card-wide {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-6);
  align-items: center;
  background: var(--color-white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(139,195,74,0.10), 0 2px 8px rgba(0,0,0,0.05);
  border: 2px solid var(--color-primary-light);
  margin-top: var(--space-4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.course-card-wide:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(139,195,74,0.16), 0 4px 12px rgba(0,0,0,0.07);
}

.course-card-wide__image-wrap {
  position: relative;
  height: 100%;
  min-height: 140px;
}

.course-card-wide__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.course-card-wide__image--placeholder {
  width: 100%;
  height: 100%;
  min-height: 140px;
  background: linear-gradient(135deg, #e8f5e9, var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.course-card-wide__age-badge {
  position: absolute;
  bottom: var(--space-2);
  left: var(--space-2);
  background: rgba(0,0,0,0.62);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

.course-card-wide__body {
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.course-card-wide__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.course-card-wide__label {
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--fs-xs);
  font-weight: var(--fw-black);
  padding: 3px var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.06em;
}

.course-card-wide__title {
  font-family: var(--font-rounded);
  font-size: var(--fs-md);
  font-weight: var(--fw-black);
  color: var(--color-text-dark);
  line-height: 1.3;
}

.course-card-wide__desc {
  font-size: var(--fs-xs);
  color: var(--color-text);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card-wide__details {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin: 0;
}

.course-card-wide__details > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.course-card-wide__details dt {
  font-size: var(--fs-xs);
  color: var(--color-text-light);
  font-weight: var(--fw-medium);
}

.course-card-wide__details dd {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  color: var(--color-text-dark);
}

.course-card-wide__fee {
  color: var(--color-primary-dark) !important;
  font-size: var(--fs-sm) !important;
}

.course-card-wide__btn {
  align-self: flex-start;
  margin-top: var(--space-1);
  font-size: var(--fs-xs);
  padding: var(--space-2) var(--space-4);
  background: #06C755 !important;
  color: #ffffff !important;
  border: none !important;
  box-shadow: 0 3px 10px rgba(6,199,85,0.25) !important;
}

.course-card-wide__btn:hover {
  background: #05a848 !important;
  box-shadow: 0 6px 18px rgba(6,199,85,0.35) !important;
  opacity: 1;
}

/* ============================================================
   10c. コース詳細ドロワー（右スライドパネル）
   ============================================================ */
.course-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(780px, 100vw);
  height: 100dvh;
  background: var(--color-white);
  box-shadow: -8px 0 48px rgba(0,0,0,0.18);
  transform: translateX(100%);
  transition: transform 0.38s cubic-bezier(0.4,0,0.2,1);
  z-index: 300;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.course-drawer.is-open {
  transform: translateX(0);
}

.course-drawer__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.52);
  z-index: 299;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.38s ease;
}

.course-drawer__overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* 閉じるボタン */
.course-drawer__close {
  position: sticky;
  top: 0;
  z-index: 10;
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
  color: var(--color-text-dark);
  flex-shrink: 0;
  align-self: flex-end;
  margin: var(--space-4) var(--space-4) 0;
  transition: background var(--transition-normal), transform var(--transition-normal);
}

.course-drawer__close svg {
  width: 18px;
  height: 18px;
}

.course-drawer__close:hover {
  background: var(--color-primary-light);
  transform: rotate(90deg);
}

/* ヘッダーエリア */
.course-drawer__hero {
  background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-primary-light) 100%);
  padding: var(--space-6) var(--space-8) var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
  margin-top: calc(-44px - var(--space-4));
  padding-top: calc(44px + var(--space-4) + var(--space-6));
}

.course-drawer__icon {
  font-size: 4rem;
  line-height: 1;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.1));
}

.course-drawer__age-tag {
  display: inline-block;
  background: var(--color-white);
  color: var(--color-primary-dark);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-primary);
}

.course-drawer__title {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-black);
  color: var(--color-text-dark);
  line-height: 1.3;
}

/* コンテンツ本体 */
.course-drawer__body {
  padding: var(--space-6) var(--space-8) var(--space-12);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  flex: 1;
}

.course-drawer__desc {
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.85;
}

/* 詳細テーブル */
.course-drawer__details {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.course-drawer__detail-row {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.course-drawer__detail-row:last-child {
  border-bottom: none;
}

.course-drawer__detail-row dt {
  min-width: 100px;
  font-size: var(--fs-xs);
  color: var(--color-text-light);
  font-weight: var(--fw-medium);
  flex-shrink: 0;
}

.course-drawer__detail-row dd {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--color-text-dark);
}

/* 月謝ハイライト */
.course-drawer__fee-box {
  display: block;
  background: var(--color-primary-light);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
}

.course-drawer__fee-label {
  display: block;
  font-size: var(--fs-sm);
  color: var(--color-primary-dark);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-2);
  letter-spacing: 0.05em;
}

.course-drawer__fee-value {
  display: block;
  font-family: var(--font-rounded);
  font-size: clamp(0.9rem, 2.5vw, 1.05rem);
  font-weight: var(--fw-black);
  color: var(--color-primary-dark);
  text-align: left;
  line-height: 2;
}

/* 特徴ポイント */
.course-drawer__points-title {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--color-text-dark);
  margin-bottom: var(--space-3);
}

.course-drawer__points {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
}

.course-drawer__points li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.course-drawer__points li::before {
  content: '✔';
  color: var(--color-primary);
  font-size: var(--fs-xs);
  margin-top: 3px;
  flex-shrink: 0;
  font-weight: var(--fw-bold);
}

/* CTA */
.course-drawer__cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.course-drawer__cta-note {
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--color-text-light);
}

/* スマホ対応 */
@media (max-width: 640px) {
  .course-drawer {
    width: 100vw;
  }

  .course-drawer__hero {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }

  .course-drawer__body {
    padding: var(--space-5) var(--space-5) var(--space-16);
  }

  .course-drawer__title {
    font-size: var(--fs-xl);
  }

  .course-drawer__icon {
    font-size: 3rem;
  }
}


/* ============================================================
   11. ごあいさつ Section
   ============================================================ */

/* 画像方式：PC / SP 切り替え */
.greeting-section {
  display: block;
  margin: 0;
  padding: 0;
  line-height: 0; /* 画像下の余白を消す */
}

.greeting__img {
  display: block;
  width: 100%;
  height: auto;
}

.greeting__img--pc { display: block; }
.greeting__img--sp { display: none; }

/* SP専用タイトルエリア：PCでは非表示 */
.greeting__sp-header {
  display: none;
}

@media (max-width: 640px) {
  .greeting__img--pc { display: none; }
  .greeting__img--sp { display: block; }

  /* タイトルエリア：白背景でSPのみ表示 */
  .greeting__sp-header {
    display: block;
    background: #fff;
    padding: 32px 24px 20px;
    line-height: 1;
  }

  .greeting__sp-title {
    font-family: 'Klee One', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
    font-weight: 600;
    font-size: 1.7rem;
    color: #7B5435;
    letter-spacing: 0.12em;
    margin: 0;
  }
}

/* ---- 保護者へボタンエリア ---- */
.greeting__action {
  background: #fff;
  padding: 24px 24px 32px;
  display: flex;
  justify-content: center;
  line-height: 1;
}

.greeting__parents-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #f9f3ec 0%, #f5ede2 100%);
  color: #7B5435;
  font-family: 'Klee One', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  font-weight: 600;
  font-size: clamp(1rem, 2vw, 1.2rem);
  letter-spacing: 0.12em;
  padding: 14px 32px;
  border-radius: 50px;
  border: 1.5px solid rgba(123,84,53,0.25);
  box-shadow: 0 4px 16px rgba(123,84,53,0.1);
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.greeting__parents-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 24px rgba(123,84,53,0.18);
  background: linear-gradient(135deg, #f5ede2 0%, #eedfd1 100%);
}

.greeting__parents-btn:active {
  transform: translateY(0) scale(0.99);
}

/* ---- 保護者ドロワー ---- */
.parents-drawer {
  position: fixed;
  top: 0; right: 0;
  width: min(580px, 100vw);
  height: 100dvh;
  background: #fffdf9;
  box-shadow: -8px 0 48px rgba(0,0,0,0.14);
  transform: translateX(100%);
  transition: transform 0.38s cubic-bezier(0.4,0,0.2,1);
  z-index: 300;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.parents-drawer.is-open {
  transform: translateX(0);
}

.parents-drawer__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 299;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.38s ease;
}

.parents-drawer__overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.parents-drawer__close {
  position: sticky;
  top: 0;
  z-index: 10;
  align-self: flex-end;
  width: 44px;
  height: 44px;
  margin: var(--space-4) var(--space-4) 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-dark);
  transition: background 0.2s, transform 0.2s;
}

.parents-drawer__close:hover {
  background: #f5ede2;
  transform: rotate(90deg);
}

.parents-drawer__hero {
  padding: 0 var(--space-8) var(--space-6);
  border-bottom: 1px solid rgba(123,84,53,0.12);
}

.parents-drawer__label {
  font-size: var(--fs-sm);
  color: #a07850;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}

.parents-drawer__title {
  font-family: 'Klee One', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  font-size: clamp(1.4rem, 4vw, 1.8rem);
  font-weight: 600;
  color: #7B5435;
  letter-spacing: 0.08em;
  margin: 0;
}

.parents-drawer__body {
  padding: var(--space-6) var(--space-8) var(--space-12);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.parents-drawer__block {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.parents-drawer__block p {
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--color-text-dark);
}

.parents-drawer__block small {
  font-size: var(--fs-xs);
  color: var(--color-text-light);
}

.parents-drawer__question {
  font-size: var(--fs-base) !important;
  font-weight: var(--fw-bold);
  color: #7B5435 !important;
}

.parents-drawer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.parents-drawer__list li {
  font-size: var(--fs-sm);
  color: var(--color-text-dark);
  line-height: 1.6;
  padding-left: 1.5em;
  position: relative;
}

.parents-drawer__list li::before {
  content: '◎';
  position: absolute;
  left: 0;
  color: #a07850;
  font-weight: bold;
}

/* 旧 teacher-section（互換のため残す） */
.teacher-section {
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-cream) 100%);
  position: relative;
  overflow: hidden;
}

.teacher-card {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: center;
  background: var(--color-white);
  border-radius: 32px;
  padding: clamp(var(--space-8), 4vw, var(--space-12));
  box-shadow: 0 8px 48px rgba(247,168,196,0.12), 0 4px 16px rgba(0,0,0,0.06);
  border: 1.5px solid rgba(247,168,196,0.2);
}

.teacher-card__image-wrap {
  position: relative;
}

.teacher-card__image {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
}

.teacher-card__image--placeholder {
  aspect-ratio: 3/4;
  background: var(--color-primary-light);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.teacher-card__image-deco {
  position: absolute;
  top: -16px;
  right: -16px;
  background: var(--color-pink);
  border-radius: 50%;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.teacher-card__note {
  color: var(--color-white);
  width: 28px;
  height: 28px;
}

.teacher-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.teacher-card__name-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.teacher-card__title-label {
  font-size: var(--fs-sm);
  color: var(--color-primary);
  font-weight: var(--fw-medium);
}

.teacher-card__name {
  font-size: clamp(var(--fs-xl), 3vw, var(--fs-3xl));
}

.teacher-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.teacher-card__message {
  font-size: var(--fs-md);
  color: var(--color-text);
  line-height: var(--lh-loose);
}

/* ============================================================
   12. 生徒の声 Section
   ============================================================ */
.voices-section {
  background: var(--color-cream-dark);
  position: relative;
  overflow: hidden;
}

/* ドット背景 */
.voices-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(247,168,196,0.22) 2px, transparent 2px);
  background-size: 28px 28px;
  pointer-events: none;
}

.voices-section__inner {
  position: relative;
  z-index: 1;
}

/* 手書きコメント写真 — マソンリー（CSS columns） */
.voices-photo-grid {
  columns: 3;
  column-gap: 12px;
}

.voices-photo-item {
  break-inside: avoid;
  margin-bottom: 12px;
  border-radius: var(--radius-lg, 12px);
  overflow: hidden;
  box-shadow: 0 3px 12px rgba(0,0,0,0.10);
  background: var(--color-white);
}

.voices-photo-item__img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.3s ease;
}

.voices-photo-item:hover .voices-photo-item__img {
  transform: scale(1.02);
}

/* プレースホルダー（画像未設定時） */
.voices-photo-placeholder {
  text-align: center;
  padding: var(--space-12, 3rem) var(--space-4);
  color: var(--color-text-light);
  background: rgba(255,255,255,0.6);
  border-radius: var(--radius-lg, 12px);
  border: 2px dashed var(--color-border);
}

.voices-photo-placeholder__hint {
  font-size: var(--fs-sm);
  margin-top: var(--space-3);
  line-height: 1.9;
}

.voices-photo-placeholder__hint code {
  background: rgba(0,0,0,0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8em;
}

.voice-card {
  background: var(--color-white);
  border-radius: 24px;
  padding: var(--space-7, 1.75rem);
  box-shadow: 0 4px 28px rgba(247,168,196,0.14), 0 2px 8px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: transform 0.26s ease, box-shadow 0.26s ease;
  border: 1.5px solid rgba(247,168,196,0.2);
}

.voice-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(247,168,196,0.22), 0 4px 12px rgba(0,0,0,0.06);
}

.voice-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* アバター — 大きめ・ピンク枠 */
.voice-card__avatar {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-pink-light);
  box-shadow: 0 0 0 2px var(--color-pink);
}

.voice-card__avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.voice-card__avatar-placeholder {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-pink) 0%, var(--color-pink-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-family: var(--font-rounded);
  font-size: var(--fs-xl);
  font-weight: var(--fw-black);
}

.voice-card__meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.voice-card__name {
  font-size: var(--fs-base);
  font-weight: var(--fw-black);
  color: var(--color-text-dark);
}

.voice-card__course {
  font-size: var(--fs-xs);
  color: var(--color-pink-dark);
  font-weight: var(--fw-bold);
  background: var(--color-pink-light);
  border-radius: var(--radius-full);
  padding: 2px var(--space-3);
  display: inline-block;
  width: fit-content;
}

.voice-card__stars {
  color: #FFB830;
  font-size: var(--fs-base);
  letter-spacing: 3px;
}

/* 大きな引用符 */
.voice-card__quote-icon {
  color: var(--color-pink-light);
}

/* コメント本文 */
.voice-card__comment {
  font-size: var(--fs-base);
  color: var(--color-text);
  line-height: 1.9;
  flex: 1;
  font-style: normal;
  position: relative;
  padding-left: var(--space-2);
  border-left: 3px solid var(--color-pink-light);
}

/* ---- トグルボタン ---- */
.voices-toggle-wrap {
  display: flex;
  justify-content: center;
  margin-top: var(--space-8);
}

/* btn--outline を上書き・拡張 */
.voices-toggle-btn {
  gap: var(--space-2);
  padding: 12px 32px;
  border-radius: var(--radius-full);
  font-size: var(--fs-base);
}

.voices-toggle-btn__label {
  font-size: inherit;
}

/* 矢印アイコン：展開時に180°回転 */
.voices-toggle-btn__icon {
  flex-shrink: 0;
  transition: transform 0.28s ease;
}

.voices-toggle-btn[aria-expanded="true"] .voices-toggle-btn__icon {
  transform: rotate(180deg);
}

/* ラベルテキストを JS で切り替え（aria-expanded に連動） */
.voices-toggle-btn[aria-expanded="true"] .voices-toggle-btn__label {
  /* JS側でテキストを "閉じる" に変更 */
}

/* ---- 声ドロワー ---- */
.voices-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(560px, 100vw);
  height: 100dvh;
  background: var(--color-white);
  box-shadow: -8px 0 48px rgba(0,0,0,0.18);
  transform: translateX(100%);
  transition: transform 0.38s cubic-bezier(0.4,0,0.2,1);
  z-index: 300;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.voices-drawer.is-open {
  transform: translateX(0);
}

.voices-drawer__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.52);
  z-index: 299;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.38s ease;
}

.voices-drawer__overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* 閉じるボタン（右上固定） */
.voices-drawer__close {
  position: sticky;
  top: 0;
  z-index: 10;
  align-self: flex-end;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: var(--space-4) var(--space-4) 0;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
  color: var(--color-text-dark);
  flex-shrink: 0;
  transition: background var(--transition-normal), transform var(--transition-normal);
}

.voices-drawer__close svg {
  width: 18px;
  height: 18px;
}

.voices-drawer__close:hover {
  background: var(--color-pink-light);
  transform: rotate(90deg);
}

/* ヘッダーエリア */
.voices-drawer__hero {
  background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-primary-light) 100%);
  padding: var(--space-5) var(--space-8) var(--space-7);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
  margin-top: calc(-44px - var(--space-4));
  padding-top: calc(44px + var(--space-4) + var(--space-5));
}

.voices-drawer__label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.voices-drawer__title {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-dark);
}

/* カード一覧エリア */
.voices-drawer__body {
  padding: var(--space-6) var(--space-6) var(--space-10);
  flex: 1;
}

.voices-drawer__grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (max-width: 640px) {
  .voices-drawer {
    width: 100vw;
  }
  .voices-drawer__body {
    padding: var(--space-4) var(--space-4) var(--space-8);
  }
}

/* コンパクトカード（スマホプレビュー用・横長） */
.voice-card--compact {
  padding: var(--space-3) var(--space-4);
  gap: 0;
  border-radius: 16px;
  /* 横長レイアウト：左メタ / 右コメント */
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: var(--space-3);
}

/* ヘッダー（アバター＋名前）を左列に */
.voice-card--compact .voice-card__header {
  grid-column: 1;
  grid-row: 1 / 3;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding-right: var(--space-2);
  border-right: 1.5px solid var(--color-pink-light);
  min-width: 72px;
  text-align: center;
  justify-content: center;
}

.voice-card--compact .voice-card__avatar,
.voice-card--compact .voice-card__avatar-placeholder {
  width: 44px;
  height: 44px;
  font-size: var(--fs-base);
}

.voice-card--compact .voice-card__name {
  font-size: 0.7rem;
  line-height: 1.3;
}

.voice-card--compact .voice-card__course {
  font-size: 0.65rem;
  padding: 1px var(--space-2);
}

.voice-card--compact .voice-card__stars {
  font-size: 0.7rem;
  letter-spacing: 0;
}

/* コメントを右列に */
.voice-card--compact .voice-card__comment {
  grid-column: 2;
  grid-row: 1 / 3;
  font-size: var(--fs-xs);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  align-self: center;
  border-left: none;
  padding-left: 0;
}

.voice-card--compact .voice-card__quote-icon {
  display: none;
}

/* ============================================================
   生徒の声 モーダル
   ============================================================ */
.voices-modal {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: flex-end;
}

.voices-modal[hidden] {
  display: none;
}

.voices-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(3px);
}

/* ボトムシート */
.voices-modal__sheet {
  position: relative;
  z-index: 1;
  width: 100%;
  max-height: 86vh;
  background: var(--color-cream);
  border-radius: 24px 24px 0 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp 0.32s cubic-bezier(0.32, 0.72, 0, 1);
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

.voices-modal.is-closing .voices-modal__sheet {
  animation: slideDown 0.24s ease forwards;
}

@keyframes slideDown {
  from { transform: translateY(0); }
  to   { transform: translateY(100%); }
}

.voices-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  background: var(--color-white);
}

.voices-modal__title {
  font-size: var(--fs-md);
  font-weight: var(--fw-black);
  color: var(--color-text-dark);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.voices-modal__close {
  background: var(--color-cream);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text);
  flex-shrink: 0;
  transition: background 0.2s;
}

.voices-modal__close:hover {
  background: var(--color-pink-light);
  color: var(--color-pink-dark);
}

/* スクロール領域 */
.voices-modal__body {
  overflow-y: auto;
  flex: 1;
  padding: var(--space-5) var(--space-5);
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.voices-modal__item {
  padding: var(--space-4) 0;
}

.voices-modal__item-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.voices-modal__avatar {
  flex-shrink: 0;
  width: 48px !important;
  height: 48px !important;
}

.voices-modal__avatar .voice-card__avatar-placeholder {
  width: 48px;
  height: 48px;
  font-size: var(--fs-base);
}

.voices-modal__name {
  font-size: var(--fs-sm);
}

.voices-modal__comment {
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.8;
  border: none;
  padding: 0;
  border-left: 3px solid var(--color-pink-light);
  padding-left: var(--space-3);
  font-style: normal;
}

.voices-modal__divider {
  border: none;
  border-top: 1px solid var(--color-border);
}

.voices-modal__footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
  background: var(--color-white);
}

.voices-modal__close-btn {
  width: 100%;
  padding: var(--space-3) 0;
  background: var(--color-primary-light);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--color-primary-dark);
  cursor: pointer;
  transition: background 0.2s;
}

.voices-modal__close-btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ============================================================
   13. フォトギャラリー Section
   ============================================================ */
.photo-gallery-section {
  background: var(--color-cream);
  position: relative;
  overflow: visible; /* 傾き・はみ出しを許容 */
}

/* 背景の薄い波紋 */
.photo-gallery-section::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  border: 40px solid rgba(139,195,74,0.07);
  top: -200px; left: -150px;
  pointer-events: none;
}

/* ---- PC: 4枚 横並び・傾き・重なり・ジグザグ ---- */
.photo-gallery {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 0 80px;
  position: relative;
  z-index: 1;
  overflow: visible;
}

/* 各写真アイテム */
.photo-gallery__item {
  flex: 0 0 auto;
  width: 30%;
  margin-left: -5%;   /* 重なり */
  position: relative;
  cursor: pointer;
  transition: transform 0.3s ease, z-index 0s;
}
.photo-gallery__item:first-child { margin-left: 0; }

/* 傾き＋ジグザグ（奇数=上、偶数=下） */
.photo-gallery__item:nth-child(1) { transform: rotate(-5deg)  translateY(-44px); z-index: 1; }
.photo-gallery__item:nth-child(2) { transform: rotate(4deg)   translateY(44px);  z-index: 2; }
.photo-gallery__item:nth-child(3) { transform: rotate(-4deg)  translateY(-44px); z-index: 3; }
.photo-gallery__item:nth-child(4) { transform: rotate(6deg)   translateY(44px);  z-index: 4; }

/* ホバーで上に浮く */
.photo-gallery__item:hover {
  z-index: 10;
  transform: rotate(0deg) translateY(-12px) scale(1.06) !important;
}

/* 写真フレーム（白いフチ） */
.photo-gallery__img-wrap {
  aspect-ratio: 4/3;         /* 横長サイズ */
  border-radius: 3px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-pink-light));
  border: 8px solid #fff;
  box-shadow: 0 8px 28px rgba(0,0,0,0.18), 0 2px 6px rgba(0,0,0,0.10);
  transition: box-shadow 0.3s ease;
}

.photo-gallery__item:hover .photo-gallery__img-wrap {
  box-shadow: 0 18px 48px rgba(0,0,0,0.24), 0 4px 12px rgba(0,0,0,0.12);
}

.photo-gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.photo-gallery__item:hover .photo-gallery__img {
  transform: scale(1.05);
}

.photo-gallery__img-wrap--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
}

/* ---- スマホ: 2段 × 2列・重なり傾きあり ---- */
@media (max-width: 640px) {
  .photo-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 0;
    padding: 30px 0 50px;
    /* 重なりを許容 */
    overflow: visible;
  }

  .photo-gallery__item {
    width: 105%;   /* セル幅より5%大きく＝隣と重なる */
    margin-left: 0;
  }

  /* 左列は右に少しはみ出す、右列は左に少しはみ出す */
  .photo-gallery__item:nth-child(odd)  { justify-self: start;  margin-right: -5%; }
  .photo-gallery__item:nth-child(even) { justify-self: end;    margin-left: -5%; }

  /* 下段は上段から少し離す */
  .photo-gallery__item:nth-child(3),
  .photo-gallery__item:nth-child(4) {
    margin-top: 20px;
  }

  /* 傾き */
  .photo-gallery__item:nth-child(1) { transform: rotate(-5deg); z-index: 1; }
  .photo-gallery__item:nth-child(2) { transform: rotate(4deg);  z-index: 2; }
  .photo-gallery__item:nth-child(3) { transform: rotate(4deg);  z-index: 3; }
  .photo-gallery__item:nth-child(4) { transform: rotate(-5deg); z-index: 4; }

  .photo-gallery__item:hover {
    transform: rotate(0deg) scale(1.05) !important;
    z-index: 10;
  }

  .photo-gallery__img-wrap {
    border-width: 6px;
    aspect-ratio: 4/3;
  }
}

/* ============================================================
   13-reveal. スクロールふわっとアニメーション
   ============================================================ */
/* ギャラリー以外の汎用 reveal */
.js-reveal:not(.photo-gallery__item) {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.js-reveal:not(.photo-gallery__item).is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ギャラリー写真: 傾き + フェードイン（translateYのみアニメ） */
.photo-gallery__item {
  transition-property: opacity, transform;
  transition-duration: 0.6s;
  transition-timing-function: ease;
}

.photo-gallery__item:not(.is-visible) {
  opacity: 0;
}

/* is-visible で傾き＋ジグザグを保ったまま表示 */
.photo-gallery__item:nth-child(1).is-visible { opacity: 1; transform: rotate(-5deg)  translateY(-44px); }
.photo-gallery__item:nth-child(2).is-visible { opacity: 1; transform: rotate(4deg)   translateY(44px); }
.photo-gallery__item:nth-child(3).is-visible { opacity: 1; transform: rotate(-4deg)  translateY(-44px); }
.photo-gallery__item:nth-child(4).is-visible { opacity: 1; transform: rotate(6deg)   translateY(44px); }

/* スマホの is-visible */
@media (max-width: 640px) {
  .photo-gallery__item:nth-child(1).is-visible { transform: rotate(-4deg); }
  .photo-gallery__item:nth-child(2).is-visible { transform: rotate(3deg); }
  .photo-gallery__item:nth-child(3).is-visible { transform: rotate(3.5deg); }
  .photo-gallery__item:nth-child(4).is-visible { transform: rotate(-4.5deg); }
}

/* 順番にずらして表示 */
.photo-gallery__item:nth-child(1) { transition-delay: 0.05s; }
.photo-gallery__item:nth-child(2) { transition-delay: 0.18s; }
.photo-gallery__item:nth-child(3) { transition-delay: 0.31s; }
.photo-gallery__item:nth-child(4) { transition-delay: 0.44s; }

/* ============================================================
   13b. ニュース Section
   ============================================================ */
.news-section {
  background: var(--color-white);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

.news-section__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-10));
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.news-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  padding: var(--space-5) var(--space-8);
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  transition: background 0.2s ease;
}

.news-item:last-child {
  border-bottom: none;
}

.news-item:hover {
  background: var(--color-cream);
  opacity: 1;
}

.news-item__date {
  flex-shrink: 0;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--color-text-light);
  min-width: 100px;
  padding-top: 2px;
}

.news-item__cat {
  flex-shrink: 0;
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  min-width: 64px;
  text-align: center;
}

.news-item__cat--event {
  background: var(--color-pink-light);
  color: var(--color-pink-dark);
}

.news-item__cat--info {
  background: var(--color-yellow-light);
  color: #b57a00;
}

.news-item__title {
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  color: var(--color-text-dark);
  line-height: var(--lh-normal);
  flex: 1;
}

.news-item__arrow {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.news-section__more {
  text-align: center;
  margin-top: var(--space-8);
}

/* SP: 新着情報カード — 日付・カテゴリ上段 / タイトル下段 */
@media (max-width: 767px) {
  .news-item {
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-4);
  }

  .news-item__date {
    min-width: unset;
    font-size: var(--fs-xs);
  }

  .news-item__cat {
    font-size: 0.65rem;
    padding: 2px 8px;
  }

  .news-item__title {
    width: 100%;
    flex-basis: 100%;
    font-size: var(--fs-sm);
    padding-bottom: var(--space-1);
  }

  .news-item__arrow {
    display: none;
  }
}

/* ============================================================
   14. よくあるご質問 Section
   ============================================================ */
.faq-section {
  background: var(--color-cream);
}

.faq-section__inner {
  max-width: 860px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

/* FAQ 1項目 */
.faq-item {
  border-bottom: 1px solid var(--color-border);
}

/* 追加質問（4件目以降）: デフォルト非表示 */
.faq-item--extra {
  display: none;
}
.faq-item--extra.is-visible {
  display: block;
  animation: faq-fade-in 0.3s ease both;
}

@keyframes faq-fade-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Q ボタン */
.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.faq-item__question:hover .faq-item__q-text {
  color: var(--color-primary-dark);
}

.faq-item__q-label {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--fw-black);
  font-size: var(--fs-sm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-item__q-text {
  font-weight: var(--fw-bold);
  font-size: var(--fs-md);
  color: var(--color-text-dark);
  line-height: 1.6;
  flex: 1;
  transition: color 0.2s;
}

/* シェブロン */
.faq-item__chevron {
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform 0.25s ease;
}

.faq-item__question[aria-expanded="true"] .faq-item__chevron {
  transform: rotate(180deg);
}

/* A パネル */
.faq-item__answer {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: 0 0 var(--space-5) 0;
  overflow: hidden;
}

/* hidden 属性のときは非表示（ブラウザネイティブ） */
.faq-item__answer[hidden] {
  display: none;
}

/* PC: 最初から A を表示（hidden を解除） */
@media (min-width: 641px) {
  .faq-item__answer {
    display: flex !important; /* hidden 上書き */
  }
  /* Q ボタンのシェブロンは PC では非表示 */
  .faq-item__chevron {
    display: none;
  }
  .faq-item__question {
    cursor: default;
    pointer-events: none;
  }
}

.faq-item__a-label {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--color-pink-light);
  color: var(--color-pink-dark);
  font-weight: var(--fw-black);
  font-size: var(--fs-sm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-item__a-text {
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.8;
  flex: 1;
}

/* 「他の質問を見る」トグルボタン */
.faq-section__more {
  text-align: center;
  margin-top: var(--space-8);
}

.faq-more-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.faq-more-btn__icon {
  transition: transform 0.25s ease;
}

.faq-more-btn[aria-expanded="true"] .faq-more-btn__icon {
  transform: rotate(180deg);
}

/* ラベルの出し分け */
.faq-more-btn__label-close {
  display: none;
}
.faq-more-btn[aria-expanded="true"] .faq-more-btn__label-open {
  display: none;
}
.faq-more-btn[aria-expanded="true"] .faq-more-btn__label-close {
  display: inline;
}

@media (max-width: 640px) {
  .faq-item__q-text {
    font-size: var(--fs-base);
  }
}

/* ============================================================
   15. アクセス Section
   ============================================================ */
.access-section {
  background: var(--color-white);
}

/* 2拠点並列レイアウト — PC: 左右、SP: 上下 */
.access-locations {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-6), 3vw, var(--space-10));
  align-items: stretch; /* 両カードを同じ高さに */
}

.access-location {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--color-cream);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-5);
  border: 1.5px solid var(--color-border);
}

.access-location__name {
  font-family: var(--font-rounded);
  font-size: var(--fs-base);
  font-weight: var(--fw-black);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.access-location__name::before {
  content: '📍';
}

/* 後方互換：旧 .access-grid も活かす */
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-12));
  align-items: start;
}

.access-map__img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 12px;
  /* 東郷校の縦横比(1280×832)に統一 → 両カード同サイズ */
  aspect-ratio: 1280 / 832;
}

.access-map__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-lg);
}

/* 東郷校(1枚目): 上に1.5mm・右に0.03mmずらし、右0.5mm・下1.2mmの隙間を埋める */
.access-location:first-child .access-map__img {
  transform: translate(0.03mm, -1.5mm);
  width: calc(100% + 0.5mm);
  height: calc(100% + 1.2mm);
}

/* 岡崎校(2枚目): 下寄りに表示して「敷地内8台」吹き出しを全表示 */
.access-location:last-child .access-map__img {
  object-position: center bottom;
}

/* 旧iframe用（念のため残す） */
.access-map__embed {
  position: relative;
  height: 180px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  flex-shrink: 0;
}

.access-map__embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
}

.access-map__placeholder {
  height: 180px;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.access-map__placeholder-inner {
  text-align: center;
  color: var(--color-primary);
  font-size: 3rem;
}

.access-map__placeholder-inner p {
  font-size: var(--fs-sm);
  margin-top: var(--space-4);
  color: var(--color-text-light);
}

.access-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.access-info__address-block {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.access-info__address-icon {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.access-info__address {
  font-style: normal;
  font-size: var(--fs-md);
  line-height: var(--lh-loose);
}

/* 地域バナー（全幅） */
.access-area-banner {
  width: 100%;
  background: #FFF9EF;
  border-top: 1.5px solid #EDE5D8;
  margin-top: 1cm;      /* カードとバナーの間 約1cm */
  margin-bottom: 0.5cm; /* バナー下の余白 約0.5cm */
}

.access-area-banner__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 20px clamp(1rem, 4vw, 2rem);
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 4rem);
}

.access-area-banner__label {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.access-area-banner__pin {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.access-area-banner__title {
  font-family: var(--font-rounded);
  font-size: clamp(0.9rem, 1.8vw, 1.1rem);
  font-weight: var(--fw-black);
  color: #7B5435;
  line-height: 1.5;
  white-space: nowrap;
}

.access-area-banner__cities {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  list-style: none;
  flex: 1;
  justify-content: space-around;
}

.access-area-banner__cities li {
  font-family: var(--font-rounded);
  font-size: clamp(0.9rem, 1.8vw, 1.1rem);
  font-weight: var(--fw-bold);
  color: #555;
  padding: 0 clamp(0.75rem, 2vw, 1.5rem);
  position: relative;
}

.access-area-banner__cities li + li::before {
  content: '｜';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: #C8B89A;
  font-weight: var(--fw-normal);
}

@media (max-width: 640px) {
  .access-area-banner__inner {
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
  }
  .access-area-banner__cities {
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 0;
    min-width: 0;
    overflow: hidden;
  }
  .access-area-banner__cities li {
    font-size: 0.78rem;
    padding: 0 0.35rem;
    white-space: nowrap;
    flex-shrink: 1;
  }
  .access-area-banner__title {
    white-space: normal;
  }
}

.access-info__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.access-info__row {
  display: flex;
  gap: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.access-info__row:last-child {
  border-bottom: none;
}

.access-info__label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-primary-dark);
  min-width: 90px;
  flex-shrink: 0;
}

.access-info__value {
  font-size: var(--fs-sm);
  color: var(--color-text);
}

.access-info__photo-img {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
  max-height: 200px;
  box-shadow: var(--shadow-sm);
}

/* ============================================================
   15. CTA Section — 最大強調エリア
   ============================================================ */
.cta-section {
  /* グリーン→ピンクのグラデーション背景 */
  background: linear-gradient(135deg, #8BC34A 0%, #72c08b 40%, #F7A8C4 100%);
  position: relative;
  overflow: hidden;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  position: relative;
  overflow: hidden;
}

/* 背景デコ */
.cta-section__bg-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-section__note {
  position: absolute;
  font-size: 3rem;
  opacity: 0.18;
  color: var(--color-white);
  font-family: serif;
  line-height: 1;
}

.cta-section__note--1 { top: 10%;   left: 5%;  animation: noteDrift 5s ease-in-out infinite; }
.cta-section__note--2 { bottom: 12%; right: 7%; animation: noteDrift 4.5s ease-in-out infinite 1.5s; }

.cta-section__circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
}

.cta-section__circle--1 {
  width: 480px; height: 480px;
  top: -160px;  right: -120px;
}
.cta-section__circle--2 {
  width: 280px; height: 280px;
  bottom: -90px; left: -70px;
}

/* コンテンツ */
.cta-section__inner {
  position: relative;
  z-index: 1;
}

.cta-section__content {
  max-width: 660px;
  margin-inline: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

/* 飾りアイコン */
.cta-section__icon {
  font-size: 4rem;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.15));
  animation: float 4s ease-in-out infinite;
}

.cta-section__title {
  font-size: clamp(var(--fs-2xl), 4.5vw, 2.8rem);
  font-weight: var(--fw-black);
  color: var(--color-white);
  line-height: var(--lh-tight);
  text-shadow: 0 2px 12px rgba(0,0,0,0.12);
}

.cta-section__subtitle {
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.92);
  line-height: var(--lh-loose);
}

/* チェックリスト */
.cta-section__checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-align: left;
  background: rgba(255,255,255,0.18);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  width: 100%;
  backdrop-filter: blur(4px);
}

.cta-section__checklist li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-white);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
}

.cta-section__checklist svg {
  color: var(--color-yellow);
  flex-shrink: 0;
  filter: drop-shadow(0 1px 4px rgba(0,0,0,0.12));
}

/* ★ メインCTAボタン — 白地・大型・丸角 */
.cta-section__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  background: var(--color-white);
  color: var(--color-primary-dark);
  border-radius: var(--radius-full);
  font-family: var(--font-rounded);
  font-size: clamp(var(--fs-md), 2vw, var(--fs-xl));
  font-weight: var(--fw-black);
  padding: 20px 56px;
  letter-spacing: 0.03em;
  text-decoration: none;
  box-shadow:
    0 8px 32px rgba(0,0,0,0.16),
    0 3px 10px rgba(0,0,0,0.10),
    inset 0 1px 0 rgba(255,255,255,0.8);
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
  position: relative;
  overflow: hidden;
}

.cta-section__btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(139,195,74,0.08), rgba(247,168,196,0.08));
  opacity: 0;
  transition: opacity 0.2s ease;
}

.cta-section__btn:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow:
    0 16px 48px rgba(0,0,0,0.20),
    0 6px 16px rgba(0,0,0,0.12);
  background: #f5fff0;
  opacity: 1;
}

.cta-section__btn:hover::after {
  opacity: 1;
}

.cta-section__btn svg {
  width: 1.2em;
  height: 1.2em;
  transition: transform 0.2s ease;
}

.cta-section__btn:hover svg {
  transform: translateX(4px);
}

/* 補足テキスト */
.cta-section__note {
  color: rgba(255,255,255,0.85);
  font-size: var(--fs-sm);
}

.cta-section__note a {
  color: var(--color-white);
  text-decoration: underline;
  font-weight: var(--fw-bold);
}

/* ============================================================
   15-B. CTA バナー画像方式
   ============================================================ */

/* セクション自体の padding をリセット */
.site-main section.cta-section--image {
  padding: 0;
  margin: 0;
}

/* アクセスセクション → CTA 間の余白を PC で約半分に */
.site-main section.access-section {
  padding-bottom: 3.5rem; /* 元の7rem maxの半分 */
}
.site-main section.access-section .access-area-banner {
  margin-bottom: 0.25cm;
}

.cta-banner {
  position: relative;
  line-height: 0;
}

.cta-banner__img {
  display: block;
  width: 100%;
  height: auto;
}

/* PC表示・SP非表示 */
.cta-banner--pc { display: block; }
.cta-banner--sp { display: none; }

/* ============================================================
   画像上に重ねる本物ボタン（アニメーション対応）
   ============================================================ */

.cta-banner__btn {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #1db954 0%, #06C755 50%, #05a848 100%);
  color: #fff;
  font-weight: 800;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(6,199,85,0.45), 0 3px 8px rgba(0,0,0,0.15);
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.cta-banner__btn:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 14px 36px rgba(6,199,85,0.52), 0 4px 12px rgba(0,0,0,0.1);
  background: linear-gradient(135deg, #08e060 0%, #06C755 100%);
}

.cta-banner__btn:active {
  transform: translateY(-1px) scale(0.99);
  box-shadow: 0 4px 14px rgba(6,199,85,0.38);
}

/* PC: 画像内ボタンを白で隠すマスク */
.cta-banner--pc::before {
  content: '';
  position: absolute;
  left: 19%;
  right: 29%;
  top: 59%;
  bottom: 23%;
  background: #fff;
  border-radius: 60px;
  z-index: 1;
}

/* PC: 画像上のボタン位置 */
.cta-banner__btn--pc {
  left: 22%;
  right: 33%;
  top: 61%;
  bottom: 27%;
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  z-index: 2;
}

/* SP: 画像内ボタンを白で隠すマスク */
.cta-banner--sp::before {
  content: '';
  position: absolute;
  left: 6%;
  right: 6%;
  top: 67%;
  bottom: 20%;
  background: #fff;
  border-radius: 60px;
  z-index: 1;
}

/* SP: 画像上のボタン位置 */
.cta-banner__btn--sp {
  left: 9%;
  right: 9%;
  top: 69%;
  bottom: 22%;
  font-size: clamp(0.9rem, 3.8vw, 1.2rem);
  z-index: 2;
}

@media (max-width: 640px) {
  .cta-banner--pc { display: none; }
  .cta-banner--sp { display: block; }
}

/* ============================================================
   16. Footer
   ============================================================ */
.site-footer {
  background: var(--color-text-dark);
  color: rgba(255,255,255,0.75);
  padding-block: clamp(var(--space-12), 5vw, var(--space-20));
  position: relative;
  overflow: hidden;
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: var(--space-8);
}

.site-footer__logo-text {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-rounded);
  font-size: var(--fs-lg);
  font-weight: var(--fw-black);
  color: var(--color-white);
}

.site-footer__logo-icon {
  color: var(--color-primary);
  width: 24px;
  height: 24px;
}

.site-footer__tagline {
  margin-top: var(--space-3);
  font-size: var(--fs-sm);
  line-height: var(--lh-loose);
}

.site-footer__sns {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.site-footer__sns a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  font-size: 1.2rem;
  transition: background var(--transition-normal);
}

.site-footer__sns a:hover {
  background: var(--color-primary);
  opacity: 1;
}

.site-footer__nav-title {
  font-family: var(--font-base);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-4);
}

.site-footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__nav-list li a {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.7);
  transition: color var(--transition-normal);
}

.site-footer__nav-list li a:hover {
  color: var(--color-primary);
  opacity: 1;
}

.site-footer__address {
  font-style: normal;
  font-size: var(--fs-sm);
  line-height: var(--lh-loose);
  margin-bottom: var(--space-4);
}

.site-footer__contact-hint {
  margin-top: var(--space-3);
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.site-footer__copyright {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.4);
}

.site-footer__legal {
  display: flex;
  gap: var(--space-4);
}

.site-footer__legal a {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.4);
  text-decoration: underline;
}

.site-footer__legal a:hover {
  color: var(--color-primary);
  opacity: 1;
}

.site-footer__deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.site-footer__deco-note {
  position: absolute;
  color: rgba(255,255,255,0.04);
}

.site-footer__deco-note--1 { width: 120px; height: 120px; bottom: 20px; right: 80px; }
.site-footer__deco-note--2 { width: 80px;  height: 80px;  top: 30px;   right: 200px; }

/* ============================================================
   17. 固定ページ・投稿
   ============================================================ */
.page-container {
  padding-block: clamp(var(--space-10), 6vw, var(--space-20));
}

.page-breadcrumb {
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-8);
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.page-breadcrumb a {
  color: var(--color-primary);
}

.page-content__header {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 2px solid var(--color-primary-light);
}

.page-content__title {
  font-size: clamp(var(--fs-2xl), 4vw, var(--fs-4xl));
}

.page-content__meta {
  margin-top: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--color-text-light);
}

.page-content__thumbnail {
  margin-bottom: var(--space-8);
}

.page-content__thumbnail-img {
  width: 100%;
  border-radius: var(--radius-xl);
  object-fit: cover;
  max-height: 500px;
}

.page-content__body {
  max-width: 720px;
}

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.post-nav__link {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-width: 45%;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-cream);
  transition: background var(--transition-normal);
}

.post-nav__link:hover {
  background: var(--color-primary-light);
  opacity: 1;
}

.post-nav__direction {
  font-size: var(--fs-xs);
  color: var(--color-primary);
  font-weight: var(--fw-medium);
}

.post-nav__title {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--color-text-dark);
}

.post-nav__link--next {
  text-align: right;
  margin-left: auto;
}

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

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

/* ============================================================
   19. Tablet (768px) レスポンシブ
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --header-height: 64px;
  }

  /* ナビを隠してハンバーガー表示 */
  .site-nav,
  .site-header__cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .sp-menu,
  .sp-menu__overlay {
    display: block;
  }

  /* 教室紹介（テキストのみ・中央揃え） */
  .about-grid {
    text-align: center;
  }

  /* 選ばれる理由 — 3枚固定で横並び */
  .reasons-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* コース — タブレットも3列 */
  .courses-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
  }

  /* ごあいさつ：タブレット */
  .teacher-card {
    grid-template-columns: 1fr;
    text-align: left;
  }

  /* テキスト上・写真下（SP/tablet共通） */
  .teacher-card__content {
    order: -1;
  }

  .teacher-card__image-wrap {
    max-width: 100%;
    margin-inline: auto;
  }

  .teacher-card__image {
    aspect-ratio: 4/3;
    object-fit: cover;
    object-position: top center;
  }

  /* 生徒の声 — タブレット2列 */
  .voices-photo-grid {
    columns: 2;
    gap: var(--space-3);
  }

  /* イベント */
  .events-gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  /* コース横長カード */
  .course-card-wide {
    grid-template-columns: 280px 1fr;
  }

  /* アクセス — タブレットは2列を維持 */
  .access-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  /* フッター */
  .site-footer__top {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

/* ============================================================
   20. Mobile (390px) レスポンシブ
   ============================================================ */
@media (max-width: 640px) {
  :root {
    --header-height: 60px;
  }

  /* ---- ヘッダー SP 修正 ---- */
  /* inner の gap を詰める */
  .site-header__inner {
    gap: var(--space-2); /* 8px */
    padding-inline: var(--space-3);
  }

  /* ロゴテキスト flex ラッパーの gap も詰める */
  .site-header__logo-text {
    gap: var(--space-2); /* 8px */
  }

  /* マスコット小さく */
  .site-header__mascot {
    width: 40px;
    height: 40px;
  }

  /* 学校名フォントを小さく */
  .site-header__logo-text .mst-school-name {
    font-size: 0.95em;
    letter-spacing: 0.04em;
  }

  /* タグラインは縦積みで小さく */
  .site-header__logo-tagline {
    display: block;
    font-size: 0.55em;
    opacity: 0.85;
    white-space: nowrap;
  }

  /* SP: 学校名＋タグラインを縦積みに */
  .site-header__logo-name-wrap {
    flex-direction: column;
    gap: 0px;
  }

  /* ハンバーガーは右端に固定 */
  .hamburger {
    margin-left: auto;
    flex-shrink: 0;
  }

  /* 選ばれる理由 */
  .reasons-grid {
    grid-template-columns: 1fr;
  }

  /* YouTube: SP縦積み */
  .youtube-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  /* 理由セクション見出しをSPで小さめに（2行に収める） */
  .reasons-section .section-header__title {
    font-size: 1.45rem;
  }

  /* コース — スマホ1列縦積み（全枚数） */
  .courses-grid,
  .courses-grid:has(.course-card:nth-child(5):last-child),
  .courses-grid:has(.course-card:nth-child(6):last-child) {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  /* 5枚・6枚の特殊配置をリセット */
  .courses-grid:has(.course-card:nth-child(5):last-child) .course-card,
  .courses-grid:has(.course-card:nth-child(5):last-child) .course-card:nth-child(4),
  .courses-grid:has(.course-card:nth-child(5):last-child) .course-card:nth-child(5),
  .courses-grid:has(.course-card:nth-child(6):last-child) .course-card {
    grid-column: 1;
  }

  /* SP: PC同様に縦並び（画像上部フルワイド） */
  .course-card {
    display: flex;
    flex-direction: column;
    min-height: unset;
    overflow: hidden;
  }

  /* おすすめバッジ */
  .course-card__badge {
    font-size: 0.65rem;
    padding: 3px 8px;
  }

  /* SP: 画像フルワイド */
  .course-card__image-wrap {
    width: 100%;
    height: 160px;
    overflow: hidden;
  }

  .course-card__image,
  .course-card__image--placeholder {
    width: 100%;
    height: 160px;
    object-fit: cover;
  }

  /* SP: 見出し */
  .course-card__header {
    padding: var(--space-3) var(--space-4) var(--space-2);
    gap: var(--space-2);
    flex-wrap: wrap;
  }

  .course-card__title {
    font-size: 0.95rem;
    line-height: 1.3;
  }

  .course-card__age-badge {
    font-size: 0.68rem;
    padding: 2px 8px;
  }

  /* SP: ボディ */
  .course-card__body {
    padding: 0 var(--space-4) var(--space-4);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }

  .course-card__desc {
    font-size: var(--fs-sm);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .course-card__btn {
    font-size: var(--fs-sm);
    padding: 8px 12px;
  }

  /* コース横長カード（DTM）: スマホで通常カードと同じ横長レイアウト */
  .course-card-wide {
    grid-template-columns: 90px 1fr;
    min-height: 120px;
  }

  .course-card-wide__image-wrap {
    min-height: 120px;
    max-height: none;
    height: 100%;
  }

  .course-card-wide__image,
  .course-card-wide__image--placeholder {
    height: 100%;
    min-height: 120px;
    font-size: 2rem;
  }

  .course-card-wide__age-badge {
    font-size: 9px;
    padding: 2px var(--space-1);
    left: 50%;
    bottom: var(--space-1);
    transform: translateX(-50%);
    white-space: nowrap;
  }

  .course-card-wide__body {
    padding: var(--space-3);
    gap: var(--space-1);
    justify-content: center;
  }

  .course-card-wide__title {
    font-size: var(--fs-sm);
    line-height: 1.3;
  }

  .course-card-wide__desc {
    display: none;
  }

  .course-card-wide__details {
    gap: var(--space-2);
    flex-wrap: nowrap;
  }

  .course-card-wide__details > div {
    flex-direction: row;
    align-items: center;
    gap: 4px;
  }

  .course-card-wide__details dt {
    font-size: 10px;
  }

  .course-card-wide__details dd {
    font-size: 10px;
  }

  .course-card-wide__btn {
    font-size: 11px;
    padding: var(--space-2) var(--space-3);
    align-self: flex-start;
    width: 100%;
  }

  /* 生徒の声 — スマホは2列（手書き写真は横並びが自然） */
  .voices-photo-grid {
    columns: 2;
    column-gap: 8px;
    gap: var(--space-3);
  }

  /* アクセス — SP は上下1列 */
  .access-locations {
    grid-template-columns: 1fr;
  }

  /* イベント */
  .events-gallery {
    grid-template-columns: 1fr;
  }

  /* CTA */
  .cta-section__btn {
    padding: var(--space-4) var(--space-8);
    width: 100%;
  }

  .cta-section__checklist {
    text-align: left;
  }

  /* フッター */
  .site-footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .site-footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .site-footer__legal {
    justify-content: center;
  }

  /* 投稿ナビ */
  .post-nav {
    flex-direction: column;
  }

  .post-nav__link {
    max-width: 100%;
  }

  .post-nav__link--next {
    text-align: left;
    margin-left: 0;
  }

  /* 料金ページ — 大人/シニアの2択ラベルを2行に、金額の折り返し防止 */
  .price-row__label-sub {
    display: block;
  }
  .price-row__price {
    white-space: nowrap;
  }

  /* アクセスセクション — 都市名バナー下の余白を SP で約1cmに */
  .site-main section.access-section {
    padding-bottom: 1cm;
  }
  .site-main section.access-section .access-area-banner {
    margin-top: 0.5cm;
    margin-bottom: 0;
  }
}