:root {
      --accent: #E8927C;
      --accent-light: #F5C4B8;
      --accent-dark: #D4725A;
      --sand: #F7F3EE;
      --sand-dark: #EDE6DC;
      --black: #333;
      --gray: #6b7280;
      --light-gray: #F7F3EE;
      --white: #fff;
      --google: #4285f4;
    }
    
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { 
      scroll-behavior: smooth;
    }
    
    body {
      font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", -apple-system, sans-serif;
      color: var(--black);
      background: var(--white);
      line-height: 1.8;
      font-size: 15px;
      overflow-x: hidden;
      overscroll-behavior: none;
    }
    
    /* Buttons */
    .btn-cta {
      display: inline-block;
      background: var(--accent);
      color: var(--white);
      padding: 14px 32px;
      font-size: 14px;
      font-weight: 700;
      border: none;
      border-radius: 50px;
      cursor: pointer;
      text-decoration: none;
      transition: all 0.3s ease;
      box-shadow: 0 2px 6px rgba(0,0,0,0.12);
    }
    .btn-cta:hover {
      background: #333;
      transform: translateY(-1px);
      box-shadow: 0 3px 8px rgba(0,0,0,0.18);
    }
    
    .btn-cta-white {
      display: inline-block;
      background: var(--accent);
      color: #fff;
      padding: 14px 32px;
      font-size: 14px;
      font-weight: 700;
      border: none;
      border-radius: 50px;
      cursor: pointer;
      text-decoration: none;
      transition: all 0.3s ease;
      box-shadow: 0 2px 6px rgba(0,0,0,0.12);
    }
    .btn-cta-white:hover {
      background: var(--accent-dark);
      transform: translateY(-1px);
      box-shadow: 0 3px 8px rgba(0,0,0,0.18);
    }
    
    .btn-cta-small {
      display: inline-block;
      background: var(--accent);
      color: #fff;
      padding: 10px 20px;
      font-size: 12px;
      font-weight: 700;
      border: none;
      border-radius: 50px;
      cursor: pointer;
      text-decoration: none;
      transition: all 0.2s ease;
    }
    .btn-cta-small:hover { background: var(--accent-dark); }
    
    /* Sections */
    .section-dark { background: var(--sand); color: var(--black); }
    .section-light { background: var(--white); color: var(--black); }
    .section-gray { background: var(--light-gray); color: var(--black); }
    .section-sand { background: var(--sand-dark); color: var(--black); }
    .section-gray,
    .section-sand {
      position: relative;
    }
    .section-gray::before,
    .section-sand::before {
      content: '';
      position: absolute;
      inset: 0;
      opacity: 0.35;
      pointer-events: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
      background-repeat: repeat;
      mix-blend-mode: multiply;
    }
    
    .skew-top {
      clip-path: polygon(0 40px, 100% 0, 100% 100%, 0 100%);
      margin-top: -40px;
      padding-top: 80px;
    }
    .skew-bottom {
      clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), 0 100%);
      padding-bottom: 80px;
    }
    @media (min-width: 768px) {
      .skew-top {
        clip-path: polygon(0 60px, 100% 0, 100% 100%, 0 100%);
        margin-top: -60px;
        padding-top: 100px;
      }
      .skew-bottom {
        clip-path: polygon(0 0, 100% 0, 100% calc(100% - 60px), 0 100%);
        padding-bottom: 100px;
      }
    }
    
    .container { max-width: 600px; margin: 0 auto; position: relative; z-index: 1; }
    .section-padding { padding: 60px 24px; }
    @media (min-width: 768px) {
      .container { max-width: 1100px; }
      .section-padding { padding: 80px 48px; }
    }
    
    /* Section Titles */
    .section-title {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 24px;
      padding-top: 14px;
      display: inline-block;
      position: relative;
    }
    .section-title::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 40px;
      height: 3px;
      background: var(--accent);
    }
    .section-title-white {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 24px;
      padding-top: 14px;
      display: inline-block;
      position: relative;
    }
    .section-title-white::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 40px;
      height: 3px;
      background: var(--accent);
    }
    
    /* Fixed Header */
    .fixed-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      background: #4a4a4a;
      padding: 12px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      z-index: 1000;
      transform: translateY(-100%);
      transition: transform 0.3s ease;
      box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    }
    .fixed-header.visible { transform: translateY(0); }
    .fixed-header-logo { color: var(--white); font-weight: 600; font-size: 14px; }
    .header-right { display: flex; align-items: center; gap: 12px; }
    
    /* Hamburger Menu */
    .hamburger {
      width: 32px;
      height: 32px;
      background: transparent;
      border: none;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 5px;
      padding: 4px;
    }
    .hamburger span {
      display: block;
      width: 20px;
      height: 2px;
      background: #fff;
      transition: all 0.3s ease;
    }
    .hamburger.active span:nth-child(1) {
      transform: rotate(45deg) translate(5px, 5px);
    }
    .hamburger.active span:nth-child(2) {
      opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
      transform: rotate(-45deg) translate(5px, -5px);
    }
    
    /* Navigation Menu */
    .nav-menu {
      position: fixed;
      top: 0;
      right: -280px;
      width: 280px;
      height: 100vh;
      background: #fff;
      z-index: 999;
      transition: right 0.3s ease;
      box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    }
    .nav-menu.active {
      right: 0;
    }
    .nav-menu-content {
      padding: 80px 24px 40px;
    }
    .nav-menu-label {
      font-size: 11px;
      color: var(--gray);
      font-weight: 600;
      letter-spacing: 1px;
      margin-bottom: 16px;
    }
    .nav-menu-item {
      display: block;
      padding: 14px 0;
      color: var(--black);
      text-decoration: none;
      font-size: 15px;
      font-weight: 500;
      border-bottom: 1px solid #e5e7eb;
      transition: color 0.2s;
    }
    .nav-menu-item:hover {
      color: var(--accent);
    }
    .nav-menu-item.active {
      color: var(--accent);
    }
    .nav-menu-contact {
      display: block;
      padding: 10px 20px;
      color: #666;
      text-decoration: none;
      font-size: 13px;
      margin-top: 24px;
      border: 1px solid #ccc;
      border-radius: 50px;
      text-align: center;
      transition: border-color 0.2s, color 0.2s;
    }
    .nav-menu-contact:hover {
      color: var(--black);
      border-color: #999;
    }
    .nav-menu-divider {
      height: 1px;
      background: #e5e7eb;
      margin: 24px 0;
    }
    .nav-menu-cta {
      display: block;
      background: var(--accent);
      color: #fff;
      text-align: center;
      padding: 14px 24px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 14px;
      font-weight: 700;
      transition: background 0.2s;
    }
    .nav-menu-cta:hover {
      background: var(--accent-dark);
    }
    .nav-menu-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.5);
      z-index: 998;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
    }
    .nav-menu-overlay.active {
      opacity: 1;
      visibility: visible;
    }
    
    /* Hero */
    .hero {
      height: 100vh;
      height: calc(var(--vh, 1vh) * 100);
      min-height: 600px;
      position: relative;
      display: flex;
      align-items: flex-end;
      background: #1a1a1a;
      overflow: hidden;
    }
    .hero-slideshow {
      position: absolute;
      inset: 0;
    }
    .hero-slide {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0;
      transition: opacity 1.5s ease-in-out;
      transform: scale(1);
      transform-origin: center center;
      will-change: transform, opacity;
    }
    .hero-slide.active {
      opacity: 1;
    }
    /* SP用画像 */
    @media (max-width: 767px) {
      .hero-slide:nth-child(1) { background-image: url('img/hero-bg-sp-01.jpg'); }
    }
    /* PC用画像 */
    @media (min-width: 768px) {
      .hero-slide:nth-child(1) { background-image: url('img/hero-bg-pc-01.jpg'); }
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(10,8,5,0.75) 0%, rgba(10,8,5,0.3) 40%, rgba(10,8,5,0.15) 100%);
    }
    .hero-overlay::after {
      content: '';
      position: absolute;
      inset: 0;
      background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
      background-size: 40px 40px;
    }
    .hero-content {
      position: relative;
      z-index: 1;
      padding: 0 20px 28px;
      max-width: 600px;
    }
    @media (min-width: 768px) {
      .hero-content {
        padding: 0 40px 40px;
        max-width: 720px;
      }
    }
    .hero-label {
      color: rgba(255,255,255,0.7);
      font-size: 12px;
      letter-spacing: 2px;
      margin-bottom: 12px;
      font-weight: 600;
    }
    .hero-title {
      font-size: clamp(32px, 9vw, 44px);
      font-weight: 700;
      color: var(--white);
      margin-bottom: 16px;
      line-height: 1.4;
    }
    @media (min-width: 768px) {
      .hero-title {
        font-size: clamp(48px, 4.5vw, 64px);
      }
    }
    .hero-desc {
      color: rgba(255,255,255,0.85);
      font-size: 14px;
      margin-bottom: 28px;
    }
    .scroll-indicator {
      position: absolute;
      bottom: 24px;
      right: 24px;
      color: var(--white);
      font-size: 10px;
      letter-spacing: 2px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
      opacity: 0.6;
    }
    @media (min-width: 768px) {
      .scroll-indicator {
        right: auto;
        left: 50%;
        transform: translateX(-50%);
      }
    }
    .scroll-indicator span { writing-mode: vertical-rl; }
    .scroll-indicator-line { 
      width: 1px; 
      height: 20px; 
      background: var(--white);
      animation: scrollBounce 1.5s ease-in-out infinite;
    }
    @keyframes scrollBounce {
      0%, 100% { transform: translateY(0); opacity: 0.6; }
      50% { transform: translateY(8px); opacity: 1; }
    }
    
    /* Notice Board */
    .notice-board {
      background: transparent;
    }
    .notice-board-content {
      padding: 0;
      position: relative;
      padding-left: 20px;
    }
    .notice-board-content::before {
      content: '';
      position: absolute;
      left: 4px;
      top: 6px;
      bottom: 26px;
      width: 2px;
      background: #e5e7eb;
    }
    .notice-board.expanded .notice-board-content::before {
      bottom: 6px;
    }
    .notice-item {
      position: relative;
      padding-bottom: 20px;
    }
    .notice-item:last-child { padding-bottom: 0; }
    .notice-item::before {
      content: '';
      position: absolute;
      left: -20px;
      top: 6px;
      width: 10px;
      height: 10px;
      background: var(--accent);
      border-radius: 50%;
    }
    .notice-content {
      flex: 1;
      min-width: 0;
      overflow: hidden;
    }
    .notice-date {
      color: var(--gray);
      font-size: 11px;
      display: block;
      margin-bottom: 2px;
    }
    .notice-text {
      color: #333;
      font-size: 13px;
      line-height: 1.5;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      display: block;
    }
    .notice-hidden { display: none; }
    .notice-toggle {
      display: block;
      background: var(--sand);
      border: none;
      border-radius: 4px;
      padding: 10px 24px;
      color: var(--gray);
      font-size: 12px;
      cursor: pointer;
      margin: 24px auto 8px;
    }
    .notice-toggle:hover {
      background: #eee;
    }
    
    /* Photo Grid */
    .photo-grid-2x2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-bottom: 16px;
    }
    @media (min-width: 768px) {
      .photo-grid-2x2 {
        grid-template-columns: repeat(4, 1fr);
      }
    }
    .photo-grid-2x2-item {
      aspect-ratio: 1/1;
      border-radius: 8px;
      overflow: hidden;
      background: #d4c0b8;
    }
    .photo-grid-2x2-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .video-link {
      text-align: center;
    }
    .video-link a {
      color: var(--gray);
      font-size: 13px;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .video-link a:hover { color: var(--accent); }
    
    /* Features */
    .feature-grid {
      display: flex;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      -webkit-overflow-scrolling: touch;
      gap: 10px;
      padding: 0 24px 8px;
      margin: 0 -24px;
      scrollbar-width: none;
    }
    .feature-grid::-webkit-scrollbar { display: none; }
    .feature-item {
      background: var(--light-gray);
      border-radius: 10px;
      padding: 12px 12px 16px;
      text-align: center;
      scroll-snap-align: start;
      flex: 0 0 58vw;
    }
    @media (min-width: 768px) {
      .feature-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
        overflow: visible;
        padding: 0;
        margin: 0;
      }
      .feature-item {
        padding: 24px 20px;
      }
    }
    .feature-img {
      width: 100%;
      aspect-ratio: 5/4;
      border-radius: 6px;
      overflow: hidden;
      margin-bottom: 8px;
      background: var(--sand-dark);
    }
    .feature-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .feature-title {
      font-weight: 700;
      font-size: 13px;
      color: var(--black);
      margin-bottom: 6px;
    }
    .feature-desc {
      font-size: 12px;
      color: #555;
      line-height: 1.6;
    }
    .feature-dots {
      display: flex;
      justify-content: center;
      gap: 8px;
      margin-top: 12px;
    }
    .feature-dots .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--sand-dark);
      transition: background 0.2s;
    }
    .feature-dots .dot.active {
      background: var(--accent);
    }
    
    /* Milestone */
    .milestone {
      position: relative;
      padding-left: 20px;
    }
    .milestone::before {
      content: '';
      position: absolute;
      left: 4px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: #e5e7eb;
    }
    .milestone-item {
      position: relative;
      padding-bottom: 24px;
    }
    .milestone-item:last-child { padding-bottom: 0; }
    .milestone-item::before {
      content: '';
      position: absolute;
      left: -20px;
      top: 6px;
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .milestone-item:nth-child(1)::before { background: #F5C4B8; }
    .milestone-item:nth-child(2)::before { background: #E8927C; }
    .milestone-item:nth-child(3)::before { background: #D4725A; }
    .milestone-item:nth-child(4)::before { background: #b85a42; }
    .milestone-name {
      font-weight: 700;
      font-size: 16px;
      color: var(--black);
      margin-bottom: 4px;
      line-height: 1.4;
    }
    .milestone-age {
      font-weight: 500;
      font-size: 12px;
      color: var(--gray);
      margin-left: 8px;
    }
    .milestone-note {
      font-weight: 400;
      font-size: 12px;
      color: var(--gray);
      margin-left: 4px;
    }
    .milestone-desc {
      font-size: 13px;
      color: #555;
    }
    
    /* Horizontal Scroll */
    .horizontal-scroll {
      display: flex;
      gap: 16px;
      overflow-x: auto;
      padding: 8px 0;
      scroll-snap-type: x mandatory;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
      -ms-overflow-style: none;
      margin-left: -24px;
      margin-right: -24px;
      padding-left: 24px;
      padding-right: 24px;
    }
    .horizontal-scroll::-webkit-scrollbar { display: none; }
    .scroll-card {
      flex: 0 0 auto;
      scroll-snap-align: start;
    }
    
    /* Teachers */
    .teacher-card {
      width: 100px;
      text-align: center;
      cursor: pointer;
    }
    .teacher-photo {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      margin: 0 auto 12px;
      overflow: hidden;
      border: 3px solid var(--white);
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
      background: #d4c0b8;
    }
    .teacher-photo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .teacher-name { font-weight: 600; font-size: 12px; }
    .teacher-name img.emoji { height: 1em; width: 1em; margin-right: 2px; vertical-align: -0.1em; }
    .teacher-from { font-size: 10px; color: var(--gray); }
    .teacher-card:hover .teacher-photo {
      transform: scale(1.05);
      transition: transform 0.2s;
    }
    
    /* Carousel Controls */
    .carousel-dots {
      display: flex;
      justify-content: center;
      margin-top: 20px;
      padding-bottom: 16px;
    }
    
    .slider-wrapper {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .slider-wrapper .horizontal-scroll {
      flex: 1;
    }
    @media (min-width: 768px) {
      .slider-wrapper {
        margin-left: -24px;
        margin-right: -24px;
      }
      .slider-wrapper .horizontal-scroll {
        margin-left: 0;
        margin-right: 0;
        padding-left: 8px;
        padding-right: 8px;
      }
    }
    .slider-arrow {
      width: 40px;
      height: 40px;
      background: transparent;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: all 0.2s;
      position: relative;
    }
    .slider-arrow::before {
      content: '';
      width: 10px;
      height: 10px;
      border-top: 2px solid #ccc;
      border-right: 2px solid #ccc;
      transition: border-color 0.2s;
    }
    .slider-arrow:hover::before { border-color: #666; }
    .slider-arrow-left::before { transform: rotate(-135deg); margin-left: 4px; }
    .slider-arrow-right::before { transform: rotate(45deg); margin-right: 4px; }
    
    .slider-section-responsive {
      position: relative;
      padding-bottom: 48px;
    }
    @media (min-width: 768px) {
      .slider-section-responsive {
        padding-bottom: 80px;
      }
    }
    .edge-arrow {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 40px;
      height: 40px;
      background: rgba(255,255,255,0.9);
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 10;
      transition: all 0.2s;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
      border-radius: 50%;
    }
    .edge-arrow::before {
      content: '';
      width: 8px;
      height: 8px;
      border-top: 2px solid #999;
      border-right: 2px solid #999;
      transition: border-color 0.2s;
    }
    .edge-arrow:hover { background: #fff; }
    .edge-arrow:hover::before { border-color: #333; }
    .edge-arrow-left { left: 8px; }
    .edge-arrow-right { right: 8px; }
    .edge-arrow-left::before { transform: rotate(-135deg); margin-left: 3px; }
    .edge-arrow-right::before { transform: rotate(45deg); margin-right: 3px; }
    
    /* レスポンシブ: PC/SP切り替え */
    .pc-only { display: none; }
    .sp-only { display: inline; }
    br.sp-only { display: block; }
    .edge-arrow.sp-only { display: flex; }
    
    @media (min-width: 768px) {
      .pc-only { display: flex; }
      .sp-only { display: none; }
      br.sp-only { display: none; }
      .edge-arrow.sp-only { display: none; }
    }
    
    .dot-indicator {
      display: flex;
      justify-content: center;
      gap: 8px;
    }
    .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      border: none;
      background: #d1d5db;
      cursor: pointer;
      padding: 0;
      transition: all 0.2s;
    }
    .dot.active { background: var(--accent); }
    
    /* Recital */
    .recital-info {
      display: grid;
      gap: 16px;
    }
    .recital-card {
      background: #fff;
      border-radius: 12px;
      padding: 24px 20px;
      display: flex;
      gap: 16px;
      align-items: flex-start;
      box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    }
    .recital-icon {
      font-size: 28px;
      flex-shrink: 0;
    }
    .recital-title {
      font-weight: 700;
      font-size: 15px;
      color: var(--black);
      margin-bottom: 4px;
    }
    .recital-desc {
      font-size: 13px;
      color: #555;
      line-height: 1.6;
    }
    
    /* CTA Banner */
    .cta-banner {
      padding: 32px 0 0;
      text-align: center;
    }
    .cta-banner-text {
      color: var(--black);
      font-size: 15px;
      margin-bottom: 20px;
      font-weight: 500;
    }
    .cta-banner .btn-cta-white {
      background: var(--accent);
      color: var(--white);
      box-shadow: 0 2px 6px rgba(0,0,0,0.12);
      font-size: 16px;
      padding: 18px 40px;
    }
    .cta-banner .btn-cta-white:hover {
      background: var(--accent-dark);
      box-shadow: 0 3px 8px rgba(0,0,0,0.18);
    }
    
    /* Trial Teacher Images */
    .trial-teachers {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-top: 28px;
      padding-bottom: 0;
    }
    .trial-teacher {
      display: flex;
      align-items: flex-end;
      gap: 4px;
    }
    .trial-teacher img {
      width: 120px;
      height: auto;
    }
    .trial-teacher-name {
      writing-mode: vertical-rl;
      font-size: 11px;
      color: #999;
      letter-spacing: 0.05em;
      padding-bottom: 8px;
    }
    @media (min-width: 768px) {
      .trial-teacher img {
        width: 150px;
      }
    }

    /* Photo Modal */
    .photo-modal {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.9);
      z-index: 10000;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }
    .photo-modal.active { display: flex; }
    .photo-modal-content {
      max-width: 90vw;
      max-height: 90vh;
      object-fit: contain;
    }
    .photo-modal-close {
      position: absolute;
      top: 20px;
      right: 20px;
      width: 40px;
      height: 40px;
      background: transparent;
      border: none;
      color: #fff;
      font-size: 32px;
      cursor: pointer;
      line-height: 1;
    }
    .photo-modal-nav {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 50px;
      height: 50px;
      background: rgba(255,255,255,0.1);
      border: none;
      border-radius: 50%;
      color: #fff;
      font-size: 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s;
    }
    .photo-modal-nav:hover { background: rgba(255,255,255,0.2); }
    .photo-modal-nav.prev { left: 20px; }
    .photo-modal-nav.next { right: 20px; }
    .photo-modal-nav::before {
      content: '';
      width: 12px;
      height: 12px;
      border-top: 2px solid #fff;
      border-right: 2px solid #fff;
    }
    .photo-modal-nav.prev::before { transform: rotate(-135deg); margin-left: 4px; }
    .photo-modal-nav.next::before { transform: rotate(45deg); margin-right: 4px; }
    .photo-clickable {
      cursor: pointer;
    }
    .photo-clickable img {
      transition: transform 0.3s ease;
    }
    .photo-clickable:hover img {
      transform: scale(1.05);
    }
    
    /* Teacher Detail Modal */
    .teacher-modal {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.7);
      z-index: 10000;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }
    .teacher-modal.active { display: flex; }
    .teacher-modal-content {
      background: var(--white);
      border-radius: 16px;
      padding: 32px 24px;
      max-width: 320px;
      width: 100%;
      text-align: center;
      position: relative;
    }
    .teacher-modal-close {
      position: absolute;
      top: 12px;
      right: 12px;
      width: 32px;
      height: 32px;
      background: transparent;
      border: none;
      color: #999;
      font-size: 24px;
      cursor: pointer;
      line-height: 1;
    }
    .teacher-modal-photo {
      width: 120px;
      height: 120px;
      border-radius: 50%;
      margin: 0 auto 16px;
      overflow: hidden;
      background: #e5e5e5;
    }
    .teacher-modal-photo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .teacher-modal-name {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .teacher-modal-name img.emoji {
      height: 1em;
      width: 1em;
      margin-right: 4px;
      vertical-align: -0.1em;
    }
    .teacher-modal-from {
      font-size: 13px;
      color: var(--gray);
      margin-bottom: 12px;
    }
    .teacher-modal-role {
      font-size: 13px;
      color: var(--accent);
      font-weight: 600;
      margin-bottom: 16px;
    }
    .teacher-modal-message {
      font-size: 14px;
      color: #555;
      line-height: 1.7;
      background: var(--sand);
      padding: 16px;
      border-radius: 8px;
    }
    
    /* Reviews */
    .google-review {
      background: #fff;
      border-radius: 8px;
      padding: 16px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
      margin-bottom: 16px;
    }
    .google-review:last-child { margin-bottom: 0; }
    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }
    .review-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--sand);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
    }
    .review-name { font-weight: 600; font-size: 13px; }
    .review-meta { display: flex; align-items: center; gap: 8px; }
    .review-stars { display: flex; gap: 2px; color: var(--accent); font-size: 12px; }
    .review-text { font-size: 13px; color: #374151; line-height: 1.6; }
    .google-link {
      text-align: center;
      margin-top: 24px;
    }
    .google-link a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--google);
      font-size: 14px;
      font-weight: 500;
      text-decoration: none;
    }
    
    /* Lesson Video */
    .video-thumb {
      position: relative;
      cursor: pointer;
    }
    .video-play-btn {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 48px;
      height: 48px;
      background: var(--accent);
      border-radius: 50%;
      color: #fff;
      font-size: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      pointer-events: none;
      transition: background 0.2s;
      box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    }
    .play-icon {
      display: block;
      width: 0;
      height: 0;
      border-style: solid;
      border-width: 8px 0 8px 14px;
      border-color: transparent transparent transparent #fff;
      margin-left: 3px;
    }
    .video-thumb:hover .video-play-btn {
      background: var(--accent-dark);
    }
    .video-modal {
      display: none;
      position: fixed;
      top: 0; left: 0; right: 0; bottom: 0;
      background: rgba(0,0,0,0.9);
      z-index: 10000;
      align-items: center;
      justify-content: center;
    }
    .video-modal.active {
      display: flex;
    }
    .video-modal-content {
      width: 90%;
      max-width: 640px;
    }
    .video-modal-content video {
      width: 100%;
      border-radius: 8px;
    }

    /* Clubs (item-grid) */
    .item-grid {
      display: grid;
      gap: 20px;
    }
    .item-row {
      display: grid;
      grid-template-columns: 70px 1fr;
      gap: 16px;
      align-items: start;
    }
    .item-photo {
      aspect-ratio: 1/1;
      border-radius: 8px;
      overflow: hidden;
      background: #9ca3af;
    }
    .item-photo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .item-title {
      font-weight: 600;
      margin-bottom: 4px;
      font-size: 15px;
      color: var(--black);
    }
    .item-desc {
      font-size: 13px;
      color: #555;
    }

    /* Events (event-grid) */
    .event-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px 4px;
    }
    @media (min-width: 768px) {
      .event-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px 12px;
      }
    }
    .event-item {
      text-align: center;
    }
    .event-photo {
      width: 72px;
      height: 72px;
      margin: 0 auto 6px;
      border-radius: 8px;
      overflow: hidden;
      background: #9ca3af;
    }
    @media (min-width: 768px) {
      .event-photo {
        width: 80px;
        height: 80px;
        margin-bottom: 8px;
      }
    }
    .event-photo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .event-name {
      font-size: 12px;
      font-weight: 600;
      color: var(--black);
    }
    @media (min-width: 768px) {
      .event-name {
        font-size: 13px;
      }
    }

    /* FAQ */
    .faq-list { display: flex; flex-direction: column; gap: 8px; }
    .faq-item {
      border: 1px solid #e5e7eb;
      border-radius: 8px;
      overflow: hidden;
      background: var(--white);
    }
    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px;
      background: none;
      border: none;
      cursor: pointer;
      font-size: 13px;
      font-weight: 600;
      color: var(--black);
      text-align: left;
      gap: 12px;
    }
    .faq-toggle {
      font-size: 18px;
      color: var(--gray);
      transition: transform 0.2s;
      flex-shrink: 0;
    }
    .faq-item.open .faq-toggle { transform: rotate(45deg); }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }
    .faq-item.open .faq-answer { max-height: 200px; }
    .faq-answer p {
      padding: 0 16px 16px;
      font-size: 13px;
      color: #555;
      line-height: 1.7;
    }

    /* Pricing */
    .price-label {
      color: var(--gray);
      font-size: 12px;
      margin-bottom: 12px;
      font-weight: 600;
    }
    .price-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 24px;
    }
    .price-card {
      background: var(--sand-dark);
      border: 1px solid #e5e7eb;
      border-radius: 8px;
      padding: 20px;
    }
    .price-card.popular {
      border: 2px solid var(--accent);
      position: relative;
      background: #fff;
    }
    .price-badge {
      position: absolute;
      top: -8px;
      right: 12px;
      background: var(--accent);
      color: #fff;
      font-size: 9px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .price-freq {
      color: var(--gray);
      font-size: 12px;
      margin-bottom: 8px;
    }
    .price-amount {
      display: flex;
      align-items: baseline;
      gap: 2px;
      color: var(--black);
    }
    .price-number { font-size: 24px; font-weight: 700; }
    .price-unit { font-size: 11px; color: var(--gray); }
    .price-notes {
      font-size: 12px;
      color: var(--gray);
      text-align: center;
      line-height: 1.8;
    }
    .price-notes p { margin-bottom: 0; }
    .price-tax { margin-top: 8px; font-size: 11px; }
    
    /* Location */
    .location-blocks {
      display: grid;
      gap: 32px;
    }
    .location-block {
      display: flex;
      flex-direction: column;
    }
    .location-info {
      min-height: 100px;
    }
    .location-name { font-weight: 600; margin-bottom: 4px; color: var(--black); }
    .location-address { font-size: 14px; color: #555; margin-bottom: 4px; }
    .location-note { font-size: 13px; color: var(--gray); margin-bottom: 4px; }
    .location-tel { font-size: 14px; color: #555; margin-bottom: 12px; }
    .location-tel a { color: #555; text-decoration: none; }
    .location-tel a:hover { color: var(--accent); }
    .location-map {
      width: 100%;
      aspect-ratio: 16/9;
      border-radius: 8px;
      overflow: hidden;
      background: #e5e5e5;
    }
    .location-map iframe { width: 100%; height: 100%; border: 0; }
    .location-link {
      display: inline-block;
      margin-top: 12px;
      font-size: 13px;
      color: var(--accent);
      text-decoration: none;
    }
    .location-link:hover { text-decoration: underline; }
    
    /* Footer */
    footer {
      background: #4a4a4a;
      color: rgba(255,255,255,0.7);
      padding: 40px 24px;
      text-align: center;
      font-size: 12px;
    }
    .sns-links {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-bottom: 24px;
    }
    .sns-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(255,255,255,0.1);
      color: #fff;
      text-decoration: none;
      transition: all 0.2s;
    }
    .sns-link:hover { background: rgba(255,255,255,0.2); }
    .footer-logo {
      color: var(--white);
      font-weight: 600;
      margin-bottom: 16px;
      letter-spacing: 1px;
    }
    .footer-info p { margin-bottom: 4px; }
    .footer-contact {
      margin-top: 8px;
      margin-bottom: 16px;
    }
    .footer-contact a {
      color: rgba(255,255,255,0.6);
      text-decoration: none;
      font-size: 12px;
    }
    .footer-contact a:hover { color: rgba(255,255,255,0.8); }
    
    /* Scroll to top */
    .scroll-top-btn {
      position: fixed;
      bottom: 24px;
      right: 24px;
      width: 48px;
      height: 48px;
      background: #4a4a4a;
      color: var(--white);
      border: 2px solid var(--white);
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      z-index: 100;
      transition: all 0.3s ease;
      opacity: 0;
      transform: translateY(20px);
      pointer-events: none;
    }
    .scroll-top-btn.visible {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }
    .scroll-top-btn:hover {
      background: var(--white);
      color: var(--black);
    }
    
    /* Loading */
    .loading {
      position: fixed;
      inset: 0;
      background: #4a4a4a;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      z-index: 9999;
      transition: opacity 0.5s ease;
    }
    .loading.hidden {
      opacity: 0;
      pointer-events: none;
    }
    .loading-spinner {
      width: 40px;
      height: 40px;
      border: 3px solid var(--accent);
      border-top-color: var(--white);
      border-radius: 50%;
      animation: spin 0.8s linear infinite;
      margin-bottom: 20px;
    }
    .loading-text {
      color: var(--white);
      font-size: 18px;
      font-weight: 600;
      letter-spacing: 3px;
      animation: pulse 1.5s ease-in-out infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }
    @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

    /* About & News Grid */
    .about-news-grid {
      display: grid;
      gap: 40px;
    }
    .about-column p {
      font-size: 14px;
      line-height: 1.8;
    }
    .news-column .section-title {
      margin-bottom: 16px;
    }
    .notice-list {
      display: flex;
      flex-direction: column;
      gap: 0;
    }
    .notice-row {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 10px 0;
      border-bottom: 1px solid #e5e7eb;
      text-decoration: none;
      color: inherit;
      transition: opacity 0.2s;
    }
    .notice-row:hover {
      opacity: 0.7;
    }
    .notice-row .notice-date {
      font-size: 13px;
      color: #888;
      flex-shrink: 0;
    }
    .notice-row .notice-text {
      font-size: 14px;
      color: var(--black);
    }
    .notice-row.notice-hidden {
      display: none;
    }
    .notice-toggle {
      display: inline-block;
      margin-top: 20px;
      margin-left: 0;
      margin-right: auto;
      background: none;
      border: 1px solid #ccc;
      padding: 8px 20px;
      border-radius: 50px;
      font-size: 13px;
      color: #666;
      cursor: pointer;
      transition: all 0.2s;
    }
    .news-column {
      text-align: left;
    }
    .notice-toggle:hover {
      border-color: #999;
      color: var(--black);
    }

    /* =============================================
       PC版レイアウト強化
       ============================================= */
    @media (min-width: 768px) {
      /* About & News 横並び */
      .about-news-grid {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
      }
      .about-column p {
        font-size: 15px;
      }
      .notice-row .notice-text {
        font-size: 14px;
      }
      /* 講師紹介：写真を大きく */
      .teacher-card {
        width: 140px;
      }
      .teacher-photo {
        width: 110px;
        height: 110px;
      }
      .teacher-name {
        font-size: 14px;
      }
      .teacher-from {
        font-size: 12px;
      }

      /* 特徴カード：3カラム */
      .feature-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        overflow: visible;
        padding: 0;
        margin: 0;
      }
      .feature-item {
        scroll-snap-align: unset;
      }

      /* アイテム紹介：2カラム配置 */
      .item-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 40px;
      }
      .item-row {
        grid-template-columns: 120px 1fr;
        gap: 20px;
      }
      .item-photo {
        width: 120px;
        height: 120px;
      }
      .item-title {
        font-size: 18px;
        margin-bottom: 8px;
      }
      .item-desc {
        font-size: 14px;
        line-height: 1.7;
      }

      /* 年間イベント：5列表示 */
      .event-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 28px 24px;
      }
      .event-photo {
        width: 100%;
        height: auto;
        aspect-ratio: 1/1;
        margin: 0 auto 8px;
      }
      .event-name {
        font-size: 14px;
      }

      /* 保護者の声：カード形式で2カラム */
      .google-reviews-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }
      .google-review {
        margin-bottom: 0;
        padding: 20px;
      }
      .review-text {
        font-size: 14px;
        line-height: 1.7;
      }

      /* CTAバナー */
      .cta-banner {
        padding: 40px;
        border-radius: 16px;
      }
      .cta-banner-text {
        font-size: 18px;
        margin-bottom: 20px;
      }
      .cta-banner .btn-cta-white {
        font-size: 16px;
        padding: 16px 48px;
      }

      /* 料金カード：コンパクトに */
      .price-grid {
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
        gap: 20px;
      }
      .price-card {
        padding: 24px;
      }
      .price-notes {
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
      }

      /* 教室案内：マップを横並び */
      .location-blocks {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
      }
      .location-map {
        aspect-ratio: 4/3;
      }

      /* セクションタイトル */
      .section-title,
      .section-title-white {
        font-size: 26px;
        margin-bottom: 32px;
      }

      /* 本文中のCTAボタン */
      .btn-cta {
        font-size: 16px;
        padding: 16px 40px;
      }
    }

    @media (min-width: 1024px) {
      .teacher-card {
        width: 160px;
      }
      .teacher-photo {
        width: 130px;
        height: 130px;
      }
    }