/* ==========================================================================
           1. Variables & Reset (SCSS Concept)
           ========================================================================== */
    :root {
      /* Colors */
      --color-primary: #3a3a3a;
      --color-secondary: #8c7a6b;
      /* Chic beige/gold */
      --color-accent: #d4a373;
      --color-bg-base: #fffaf6;
      /* フルーツの彩りを引き立てる、温かみのある明るいアイボリー */
      --color-bg-light: #ffffff;
      --color-bg-dark: #2c2c2c;
      --color-text-main: #4a4a4a;
      --color-text-light: #ffffff;
      --color-border: #e0dcd9;

      /* Typography */
      --font-ja-sans: 'Noto Sans JP', sans-serif;
      --font-ja-serif: 'Noto Serif JP', serif;
      --font-en-serif: 'Cormorant Garamond', serif;

      /* Layout */
      --max-width: 1400px;
      --header-height: 80px;

      /* Transitions */
      --transition-base: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
      --transition-slow: all 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: var(--font-ja-sans);
      color: var(--color-text-main);
      background-color: var(--color-bg-base);
      line-height: 1.8;
      letter-spacing: 0.05em;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

    .main {
      flex: 1;
    }

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

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

    ul,
    ol {
      list-style: none;
    }

    /* ==========================================================================
           2. Global Components & Utilities
           ========================================================================== */
    .l-container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 2.5%;
    }

    .l-section {
      padding: 100px 0 200px;
    }

    .c-title-main {
      font-family: var(--font-en-serif);
      font-size: 3rem;
      color: var(--color-primary);
      text-align: center;
      margin-bottom: 3rem;
      position: relative;
      text-shadow: 0 2px 10px rgba(212, 163, 115, 0.25), 0 1px 3px rgba(0, 0, 0, 0.06);
    }

    .c-title-main::after {
      content: '';
      display: block;
      width: 40px;
      height: 1px;
      background-color: var(--color-secondary);
      margin: 15px auto 0;
    }

    .c-title-sub {
      font-family: var(--font-ja-serif);
      font-size: 1.5rem;
      color: var(--color-primary);
      margin-bottom: 1.5rem;
      text-shadow: 0 1px 6px rgba(212, 163, 115, 0.18);
    }

    /* Buttons */
    .c-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 15px 40px;
      background-color: transparent;
      color: var(--color-primary);
      border: 1px solid var(--color-primary);
      font-family: var(--font-en-serif);
      font-size: 1.1rem;
      letter-spacing: 0.1em;
      cursor: pointer;
      position: relative;
      overflow: hidden;
      z-index: 1;
      box-shadow: 0 4px 15px rgba(139, 122, 107, 0.12), 0 1px 4px rgba(0, 0, 0, 0.06);
    }

    .c-btn::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: var(--color-primary);
      transform: scaleX(0);
      transform-origin: right;
      transition: transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
      z-index: -1;
    }

    .c-btn:hover {
      color: var(--color-bg-light);
    }

    .c-btn:hover::before {
      transform: scaleX(1);
      transform-origin: left;
    }

    .c-btn--primary {
      background-color: var(--color-primary);
      color: var(--color-bg-light);
      border-color: var(--color-primary);
    }

    .c-btn--primary::before {
      background-color: var(--color-secondary);
    }

    /* Instagram Button Specific */
    .c-btn--ig {
      border-color: #E1306C;
      color: #E1306C;
      font-family: var(--font-ja-sans);
      font-size: 1rem;
      padding: 12px 30px;
      white-space: nowrap;
    }

    .c-btn--ig::before {
      background-color: #E1306C;
    }

    .c-btn--ig i {
      margin-right: 8px;
      font-size: 1.2rem;
    }

    /* Animations */
    .js-fade-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    }

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

    /* ==========================================================================
           2.5. Fruit Cut Design (Diagonal Sections)
           ========================================================================== */
    /* 上部を斜め（左下がり）にカット */
    .u-cut-top {
      clip-path: polygon(0 4vw, 100% 0, 100% 100%, 0 100%);
      margin-top: -4vw;
      position: relative;
      z-index: 2;
    }

    /* 上部を斜め（右下がり）にカット */
    .u-cut-top-reverse {
      clip-path: polygon(0 0, 100% 4vw, 100% 100%, 0 100%);
      margin-top: -4vw;
      position: relative;
      z-index: 2;
    }

    /* 斜めカットによるパディング（余白）の自動調整 */
    .l-section.u-cut-top,
    .l-section.u-cut-top-reverse {
      padding: calc(100px + 4vw) 0;
    }

    .global-cta.u-cut-top,
    .global-cta.u-cut-top-reverse {
      padding: calc(100px + 4vw) 0;
    }

    .footer.u-cut-top,
    .footer.u-cut-top-reverse {
      padding: calc(60px + 4vw) 0;
    }

    /* ==========================================================================
           3. Layout Blocks (Header, Footer, Floating)
           ========================================================================== */
    /* Header */
    .header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: var(--header-height);
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(5px);
      z-index: 100;
      border-bottom: 1px solid rgba(0, 0, 0, 0.05);
      transition: var(--transition-base);
    }

    .header__inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 100%;
      padding: 0 2.5%;
    }

    .header__logo {
      cursor: pointer;
      line-height: 0;
      display: flex;
      align-items: center;
    }

    .header__logo img {
      height: auto;
      width: 150px;
      object-fit: contain;
      mix-blend-mode: multiply;
      /* ダミー画像の白背景を透過させる処理（透過PNG使用時は削除可） */
    }

    .header__nav-list {
      display: flex;
      gap: 2rem;
    }

    .header__nav-item a {
      font-family: var(--font-en-serif);
      font-size: 1rem;
      color: var(--color-text-main);
      position: relative;
      padding-bottom: 5px;
    }

    .header__nav-item a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 1px;
      background-color: var(--color-secondary);
      transform: scaleX(0);
      transform-origin: right;
      transition: transform 0.3s ease;
    }

    .header__nav-item a:hover::after,
    .header__nav-item a.is-current::after {
      transform: scaleX(1);
      transform-origin: left;
    }

    /* Hamburger Menu (Mobile) */
    .header__hamburger {
      display: none;
      cursor: pointer;
      z-index: 101;
      background: none;
      border: none;
      padding: 8px 4px;
      -webkit-appearance: none;
      appearance: none;
      outline: none;
    }

    .header__hamburger span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--color-primary);
      margin-bottom: 6px;
      transition: transform 0.3s ease, opacity 0.3s ease;
      transform-origin: center;
    }

    .header__hamburger span:last-child {
      margin-bottom: 0;
    }

    /* Footer */
    .footer {
      background-color: var(--color-bg-dark);
      color: rgba(255, 255, 255, 0.7);
      padding: 60px 0 30px;
      text-align: center;
    }

    .footer__logo {
      margin-bottom: 1.5rem;
      display: flex;
      justify-content: center;
    }

    .footer__logo img {
      width: 200px;
      height: auto;
      object-fit: contain;
      /* 暗い背景に合わせてダミー画像を白抜き反転させる処理 */
      /* ※本番で白い透過ロゴ画像を使用する場合はこのfilterとmix-blend-modeを削除してください */
      filter: brightness(0) invert(1);
      mix-blend-mode: screen;
    }

    .footer__sns {
      margin-bottom: 2rem;
    }

    .footer__sns a {
      color: var(--color-text-light);
      font-size: 1.5rem;
      margin: 0 10px;
    }

    .footer__sns a:hover {
      color: var(--color-accent);
    }

    .footer__copy {
      font-size: 0.8rem;
      letter-spacing: 0.1em;
    }

    /* Floating Elements */
    .c-floating-cta {
      position: fixed;
      bottom: 30px;
      right: 30px;
      z-index: 90;
      opacity: 0;
      visibility: hidden;
      transform: translateY(20px);
      transition: var(--transition-base);
    }

    .c-floating-cta.is-show {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .c-floating-cta__btn {
      display: flex;
      align-items: center;
      background-color: var(--color-secondary);
      color: var(--color-text-light);
      padding: 15px 25px;
      border-radius: 50px;
      font-family: var(--font-ja-sans);
      font-weight: 500;
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    }

    .c-floating-cta__btn i {
      margin-right: 10px;
    }

    .c-floating-cta__btn:hover {
      background-color: var(--color-primary);
      transform: translateY(-3px);
      box-shadow: 0 15px 25px rgba(0, 0, 0, 0.2);
    }

    .c-back-to-top {
      position: fixed;
      bottom: 30px;
      left: 30px;
      /* Separated from CTA */
      width: 50px;
      height: 50px;
      background-color: var(--color-bg-light);
      border: 1px solid var(--color-border);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      cursor: pointer;
      z-index: 90;
      opacity: 0;
      visibility: hidden;
      transition: var(--transition-base);
    }

    .c-back-to-top.is-show {
      opacity: 1;
      visibility: visible;
    }

    .c-back-to-top:hover {
      background-color: var(--color-primary);
      color: var(--color-text-light);
    }

    /* SPA Pages Container */
    .spa-page {
      display: none;
      opacity: 0;
      animation: fadeInPage 0.6s ease forwards;
      padding-top: var(--header-height);
    }

    .spa-page.is-active {
      display: block;
    }

    @keyframes fadeInPage {
      from {
        opacity: 0;
        transform: translateY(10px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* ==========================================================================
           4. Page: Home
           ========================================================================== */
    /* Hero Section */
    .hero {
      position: relative;
      height: 1000px;
      margin-top: calc(var(--header-height) * -1);
      /* Full bleed behind header */
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .hero__bg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: 1;
      background-color: #000;
    }

    .hero__bg-img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-size: cover;
      background-position: center;
      opacity: 0;
      transition: opacity 2s ease-in-out;
    }

    .hero__bg-img:nth-child(1) {
      background-image: url('../../img/main-work.jpg');
    }

    .hero__bg-img:nth-child(2) {
      background-image: url('../../img/work-platter.jpg');
    }

    .hero__bg-img:nth-child(3) {
      background-image: url('../../img/smile-wing.jpg');
    }

    .hero__bg-img.is-active {
      opacity: 0.6;
      /* Overlay effect */
    }

    .hero__content {
      position: relative;
      z-index: 2;
      text-align: center;
      color: var(--color-text-light);
      padding: 0 20px;
      /* SCROLLインジケーターはposition:absoluteのため、paddingによる回避不要 */
    }

    .hero__title {
      font-family: var(--font-en-serif);
      font-size: 4.5rem;
      letter-spacing: 0.1em;
      line-height: 1.05;
      margin-bottom: 20px;
      opacity: 0;
      animation: textFadeIn 1.5s 0.5s ease forwards;
      text-shadow: 0 2px 20px rgba(0, 0, 0, 0.85), 0 4px 50px rgba(0, 0, 0, 0.6), 0 1px 3px rgba(0, 0, 0, 0.9);
    }

    .hero__subtitle {
      font-family: var(--font-ja-serif);
      font-size: 1.8rem;
      margin-bottom: 20px;
      opacity: 0;
      animation: textFadeIn 1.5s 1s ease forwards;
      text-shadow: 0 2px 15px rgba(0, 0, 0, 0.85), 0 4px 40px rgba(0, 0, 0, 0.6);
    }

    .hero__copy {
      font-size: 1.1rem;
      font-weight: 300;
      line-height: 2;
      opacity: 0;
      animation: textFadeIn 1.5s 1.5s ease forwards;
      text-shadow: 0 1px 12px rgba(0, 0, 0, 0.85), 0 2px 25px rgba(0, 0, 0, 0.6);
    }

    @keyframes textFadeIn {
      from {
        opacity: 0;
        filter: blur(10px);
        transform: translateY(20px);
      }

      to {
        opacity: 1;
        filter: blur(0);
        transform: translateY(0);
      }
    }

    .hero__scroll {
      position: absolute;
      bottom: 35px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 3;
      color: var(--color-text-light);
      font-family: var(--font-en-serif);
      font-size: 0.8rem;
      letter-spacing: 0.2em;
      text-align: center;
    }

    .hero__scroll::after {
      content: '';
      display: block;
      width: 1px;
      height: 60px;
      background-color: rgba(255, 255, 255, 0.3);
      margin: 10px auto 0;
      position: relative;
      overflow: hidden;
    }

    .hero__scroll::before {
      content: '';
      position: absolute;
      bottom: -70px;
      left: 50%;
      width: 1px;
      height: 60px;
      background-color: #fff;
      transform: translateX(-50%);
      animation: scrollDown 2s infinite cubic-bezier(0.77, 0, 0.175, 1);
    }

    @keyframes scrollDown {
      0% {
        transform: translate(-50%, -100%);
      }

      100% {
        transform: translate(-50%, 100%);
      }
    }

    /* Concept Section (Overlap & Alternate Layout) */
    .home-concept {
      background-color: var(--color-bg-base);
      position: relative;
    }

    .home-concept::before {
      content: '';
      position: absolute;
      top: 10%;
      right: 0;
      width: 40%;
      height: 80%;
      background-color: #f8f1ea;
      /* フルーツアートに調和する、ほんのり温かいペールトーン */
      z-index: 0;
    }

    .home-concept__lead {
      text-align: center;
      font-family: var(--font-ja-serif);
      font-size: 2rem;
      color: var(--color-primary);
      margin-bottom: 80px;
      position: relative;
      z-index: 1;
    }

    .concept-item {
      display: flex;
      align-items: center;
      margin-bottom: 120px;
      position: relative;
      z-index: 1;
    }

    .concept-item:nth-child(even) {
      flex-direction: row-reverse;
    }

    .concept-item__image-wrap {
      width: 55%;
      position: relative;
    }

    .concept-item__image-wrap::after {
      content: '';
      position: absolute;
      bottom: -20px;
      right: -20px;
      width: 100%;
      height: 100%;
      border: 1px solid var(--color-secondary);
      z-index: -1;
    }

    .concept-item:nth-child(even) .concept-item__image-wrap::after {
      right: auto;
      left: -20px;
    }

    .concept-item__image-wrap img {
      width: 100%;
      aspect-ratio: 3 / 2;
      height: auto;
      object-fit: cover;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.07), 0 20px 50px rgba(139, 122, 107, 0.22);
    }

    .concept-item__text-wrap {
      width: 55%;
      background-color: var(--color-bg-light);
      padding: 50px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.04), 0 20px 60px rgba(139, 122, 107, 0.2), 0 0 0 1px rgba(212, 163, 115, 0.08);
      margin-left: -10%;
      /* Overlap */
      position: relative;
      z-index: 2;
    }

    .concept-item:nth-child(even) .concept-item__text-wrap {
      margin-left: 0;
      margin-right: -10%;
    }

    .concept-item__num {
      font-family: var(--font-en-serif);
      font-size: 10rem;
      color: var(--color-accent);
      opacity: 0.3;
      line-height: 1;
      margin-bottom: 0;
      display: block;
    }

    .concept-item__title {
      font-family: var(--font-ja-serif);
      font-size: 1.4rem;
      color: var(--color-primary);
      margin-bottom: 20px;
    }

    /* Profile Teaser */
    .home-profile {
      background-color: var(--color-bg-light);
    }

    .profile-card {
      display: flex;
      gap: 50px;
      align-items: flex-start;
    }

    .profile-card__img {
      width: 40%;
    }

    .profile-card__img img {
      width: 100%;
      aspect-ratio: 3/4;
      object-fit: cover;
      object-position: top;
      border-radius: 200px 200px 0 0;
      /* Arch shape */
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18), 0 30px 70px rgba(139, 122, 107, 0.35);
    }

    .profile-card__content {
      width: 60%;
    }

    .profile-card__name {
      font-family: var(--font-ja-serif);
      font-size: 2rem;
      color: var(--color-primary);
      margin-bottom: 5px;
    }

    .profile-card__name span {
      font-family: var(--font-en-serif);
      font-size: 1.2rem;
      color: var(--color-secondary);
      margin-left: 10px;
    }

    .profile-card__title {
      font-size: 1rem;
      color: var(--color-accent);
      margin-bottom: 30px;
      font-weight: 500;
    }

    .profile-card__msg {
      font-size: 1.1rem;
      font-family: var(--font-ja-serif);
      margin-bottom: 40px;
      border-left: 3px solid var(--color-secondary);
      padding-left: 20px;
    }

    .profile-timeline {
      border-left: 1px solid var(--color-border);
      padding-left: 30px;
      margin-top: 30px;
    }

    .profile-timeline__item {
      position: relative;
      margin-bottom: 20px;
      font-size: 1.05rem;
    }

    .profile-timeline__item:last-child {
      margin-bottom: 0;
    }

    .profile-timeline__item::before {
      content: '';
      position: absolute;
      left: -35px;
      top: 8px;
      width: 9px;
      height: 9px;
      background-color: var(--color-secondary);
      border-radius: 50%;
    }

    .profile-timeline__year {
      font-family: var(--font-en-serif);
      font-size: 1.15rem;
      font-weight: 600;
      color: var(--color-primary);
      margin-right: 15px;
    }

    /* Courses Teaser */
    .home-courses {
      background-color: var(--color-bg-base);
      text-align: center;
    }

    .courses-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      margin-bottom: 50px;
    }

    .course-card {
      background: var(--color-bg-light);
      padding: 40px 30px;
      border: 1px solid var(--color-border);
      transition: var(--transition-base);
      text-align: left;
      display: flex;
      flex-direction: column;
      height: 100%;
      box-shadow: 0 4px 20px rgba(139, 122, 107, 0.1), 0 1px 4px rgba(0, 0, 0, 0.04);
    }

    .course-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 20px 50px rgba(139, 122, 107, 0.22), 0 4px 10px rgba(0, 0, 0, 0.06);
      border-color: var(--color-secondary);
    }

    .course-card__title {
      font-family: var(--font-ja-serif);
      font-size: 1.3rem;
      color: var(--color-primary);
      margin-bottom: 15px;
      padding-bottom: 15px;
      border-bottom: 1px dashed var(--color-border);
    }

    .course-card__desc {
      font-size: 1rem;
      flex-grow: 1;
      margin-bottom: 20px;
    }

    .course-card__price {
      font-family: var(--font-en-serif);
      font-size: 1.2rem;
      color: var(--color-secondary);
      font-weight: 600;
    }

    /* News Teaser */
    .home-news {
      background-color: var(--color-bg-light);
    }

    .news-list {
      max-width: 800px;
      margin: 0 auto 50px;
    }

    .news-item {
      display: flex;
      align-items: center;
      padding: 20px 0;
      border-bottom: 1px solid var(--color-border);
      transition: var(--transition-base);
    }

    .news-item:first-child {
      border-top: 1px solid var(--color-border);
    }

    .news-item:hover {
      background-color: var(--color-bg-base);
      padding-left: 10px;
      padding-right: 10px;
    }

    .news-item__thumb {
      width: 120px;
      height: 80px;
      margin-right: 30px;
      overflow: hidden;
      border-radius: 4px;
      flex-shrink: 0;
    }

    .news-item__thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .news-item:hover .news-item__thumb img {
      transform: scale(1.05);
    }

    .news-item__meta {
      display: flex;
      align-items: center;
      gap: 15px;
      margin-bottom: 5px;
      font-size: 0.9rem;
    }

    .news-item__date {
      font-family: var(--font-en-serif);
      color: #888;
    }

    .news-item__cat {
      background-color: var(--color-secondary);
      color: #fff;
      padding: 2px 10px;
      border-radius: 20px;
      font-size: 0.75rem;
    }

    .news-item__title {
      font-size: 1.05rem;
      color: var(--color-primary);
      font-weight: 500;
    }

    .home-news .c-btn {
      display: flex;
      margin: 0 auto;
      width: fit-content;
    }

    /* Global CTA Section */
    .global-cta {
      background-color: var(--color-secondary);
      color: var(--color-text-light);
      text-align: center;
      padding: 100px 2.5%;
    }

    .global-cta__title {
      font-family: var(--font-ja-serif);
      font-size: 2rem;
      margin-bottom: 20px;
      text-shadow: 0 2px 12px rgba(255, 220, 180, 0.35), 0 1px 4px rgba(0, 0, 0, 0.15);
    }

    .global-cta__text {
      margin-bottom: 40px;
    }

    .global-cta .c-btn {
      border-color: var(--color-text-light);
      color: var(--color-text-light);
    }

    .global-cta .c-btn::before {
      background-color: var(--color-bg-light);
    }

    .global-cta .c-btn:hover {
      color: var(--color-primary);
    }

    /* ==========================================================================
           5. Page: Courses
           ========================================================================== */
    .course-detail {
      margin-bottom: 80px;
      display: flex;
      gap: 50px;
      align-items: center;
    }

    .course-detail:nth-child(even) {
      flex-direction: row-reverse;
    }

    .course-detail__img {
      width: 45%;
    }

    .course-detail__img img {
      width: 100%;
      aspect-ratio: 3 / 2;
      height: auto;
      object-fit: cover;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08), 0 20px 50px rgba(139, 122, 107, 0.2);
    }

    .course-detail__content {
      width: 55%;
    }

    .course-detail__title {
      font-family: var(--font-ja-serif);
      font-size: 1.8rem;
      color: var(--color-primary);
      margin-bottom: 20px;
      border-bottom: 2px solid var(--color-secondary);
      display: inline-block;
      padding-bottom: 5px;
    }

    .course-detail__text {
      margin-bottom: 20px;
    }

    .course-detail__price {
      font-family: var(--font-en-serif);
      font-size: 1.5rem;
      color: var(--color-accent);
      font-weight: 600;
      margin-bottom: 30px;
      background-color: var(--color-bg-base);
      padding: 10px 20px;
      display: inline-block;
      text-shadow: 0 1px 4px rgba(212, 163, 115, 0.3);
    }

    /* ==========================================================================
           6. Page: Gallery
           ========================================================================== */
    .gallery-tabs {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-bottom: 50px;
    }

    .gallery-tab {
      font-family: var(--font-en-serif);
      font-size: 1.2rem;
      padding: 10px 30px;
      border: 1px solid var(--color-border);
      cursor: pointer;
      transition: var(--transition-base);
    }

    .gallery-tab.is-active {
      background-color: var(--color-primary);
      color: var(--color-bg-light);
      border-color: var(--color-primary);
    }

    .gallery-tab.is-disabled {
      opacity: 0.5;
      cursor: not-allowed;
      background-color: #f5f5f5;
    }

    .gallery-sns__btns {
      margin-top: 30px;
      display: flex;
      gap: 20px;
      justify-content: center;
    }

    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 60px;
    }

    .gallery-item {
      position: relative;
      overflow: hidden;
      aspect-ratio: 1/1;
    }

    .gallery-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }

    .gallery-item:hover img {
      transform: scale(1.1);
    }

    .gallery-item::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.2);
      opacity: 0;
      transition: var(--transition-base);
    }

    .gallery-item:hover::after {
      opacity: 1;
    }

    /* ギャラリーアイテム：クリック可能カーソル */
    .gallery-item.js-lb-trigger {
      cursor: zoom-in;
    }

    /* ライトボックス ---------------------------------------- */
    .c-lightbox {
      position: fixed;
      inset: 0;
      z-index: 10000;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }

    .c-lightbox.is-open {
      opacity: 1;
      pointer-events: auto;
    }

    .c-lightbox__overlay {
      position: absolute;
      inset: 0;
      background: rgba(0, 0, 0, 0.88);
    }

    .c-lightbox__content {
      position: relative;
      z-index: 1;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .c-lightbox__img {
      max-width: 88vw;
      max-height: 84vh;
      width: auto;
      height: auto;
      object-fit: contain;
      border-radius: 4px;
      transform: scale(0.82);
      opacity: 0;
      transition: transform 0.38s cubic-bezier(0.34, 1.2, 0.64, 1), opacity 0.3s ease;
      box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
    }

    .c-lightbox.is-open .c-lightbox__img {
      transform: scale(1);
      opacity: 1;
    }

    /* 閉じるボタン */
    .c-lightbox__close {
      position: fixed;
      top: 18px;
      right: 22px;
      z-index: 2;
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.35);
      color: #fff;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      font-size: 1.1rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s ease;
      line-height: 1;
    }

    .c-lightbox__close:hover {
      background: rgba(255, 255, 255, 0.3);
    }

    /* 前後ナビゲーション */
    .c-lightbox__nav {
      position: fixed;
      top: 50%;
      transform: translateY(-50%);
      z-index: 2;
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.35);
      color: #fff;
      width: 50px;
      height: 50px;
      border-radius: 50%;
      font-size: 1.2rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s ease;
    }

    .c-lightbox__nav:hover {
      background: rgba(255, 255, 255, 0.3);
    }

    .c-lightbox__nav--prev { left: 18px; }
    .c-lightbox__nav--next { right: 18px; }

    /* カウンター */
    .c-lightbox__counter {
      position: fixed;
      bottom: 18px;
      left: 50%;
      transform: translateX(-50%);
      color: rgba(255, 255, 255, 0.65);
      font-size: 0.85rem;
      letter-spacing: 0.12em;
    }

    /* SP：ナビボタンを小さく */
    @media (max-width: 767px) {
      .c-lightbox__nav {
        width: 38px;
        height: 38px;
        font-size: 1rem;
      }
      .c-lightbox__nav--prev { left: 8px; }
      .c-lightbox__nav--next { right: 8px; }
      .c-lightbox__img {
        max-width: 96vw;
        max-height: 80vh;
      }
    }

    .gallery-sns {
      text-align: center;
      padding: 40px;
      background-color: var(--color-bg-base);
      border-radius: 8px;
    }

    .gallery-sns p {
      margin-bottom: 20px;
    }

    /* ==========================================================================
           7. Page: News & Blog
           ========================================================================== */
    .news-archive-list .news-item {
      display: flex;
      /* WP版：WPのページネーションを使用するため常時表示 */
    }

    .pagination {
      display: flex;
      justify-content: center;
      gap: 10px;
      margin-top: 50px;
    }

    .pagination-item {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--color-border);
      cursor: pointer;
      transition: var(--transition-base);
      font-family: var(--font-en-serif);
    }

    .pagination-item.is-active,
    .pagination-item:hover {
      background-color: var(--color-primary);
      color: var(--color-bg-light);
      border-color: var(--color-primary);
    }

    /* ==========================================================================
           8. Page: Contact
           ========================================================================== */
    .contact-wrap {
      display: flex;
      gap: 60px;
      align-items: stretch;
    }

    .contact-form {
      width: 60%;
      background: var(--color-bg-light);
      padding: 40px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.04), 0 20px 50px rgba(139, 122, 107, 0.16), 0 0 0 1px rgba(212, 163, 115, 0.07);
    }

    .form-group {
      margin-bottom: 25px;
    }

    .form-label {
      display: block;
      margin-bottom: 10px;
      font-weight: 500;
    }

    .form-label span {
      background-color: #e74c3c;
      color: #fff;
      font-size: 0.7rem;
      padding: 2px 6px;
      margin-left: 10px;
      border-radius: 3px;
    }

    .form-input,
    .form-select,
    .form-textarea {
      width: 100%;
      padding: 12px 15px;
      border: 1px solid var(--color-border);
      font-family: inherit;
      transition: border-color 0.3s ease;
      background-color: var(--color-bg-base);
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      outline: none;
      border-color: var(--color-secondary);
      background-color: var(--color-bg-light);
    }

    .form-textarea {
      height: 150px;
      resize: vertical;
    }

    /* Checkbox */
    .form-group--checkbox {
      text-align: center;
      margin-top: 30px;
    }

    .form-checkbox-label {
      display: inline-flex;
      align-items: center;
      cursor: pointer;
      font-size: 0.95rem;
    }

    .form-checkbox-label input {
      margin-right: 10px;
      width: 18px;
      height: 18px;
      accent-color: var(--color-secondary);
      cursor: pointer;
    }

    .form-submit {
      text-align: center;
      margin-top: 40px;
    }

    /* ==========================================================================
       Snow Monkey Forms スタイル上書き
       ========================================================================== */

    /* アイテム行：縦並びレイアウト */
    .contact-form .smf-item {
      display: block;
      margin-bottom: 25px;
    }

    .contact-form .smf-item__col {
      display: block;
      width: 100%;
    }

    /* ラベル */
    .contact-form .smf-item__label {
      margin-bottom: 10px;
    }

    .contact-form .smf-item__label__text {
      display: block;
      font-weight: 500;
      font-size: 1rem;
    }

    /* 必須バッジ（required属性を持つフィールドのラベルに付与） */
    .contact-form .smf-item:has(input[data-validations*="required"]) .smf-item__label__text::after,
    .contact-form .smf-item:has(textarea[data-validations*="required"]) .smf-item__label__text::after {
      content: "必須";
      background-color: #e74c3c;
      color: #fff;
      font-size: 0.7rem;
      padding: 2px 6px;
      margin-left: 10px;
      border-radius: 3px;
      vertical-align: middle;
    }

    /* テキスト・セレクト・テキストエリア 共通 */
    .contact-form .smf-text-control__control,
    .contact-form .smf-select-control__control,
    .contact-form .smf-textarea-control__control {
      width: 100%;
      padding: 12px 15px;
      border: 1px solid var(--color-border);
      border-radius: 5px;
      font-size: 1rem;
      font-family: inherit;
      background-color: var(--color-bg-base);
      transition: border-color 0.3s ease;
      box-sizing: border-box;
    }

    .contact-form .smf-text-control__control:focus,
    .contact-form .smf-select-control__control:focus,
    .contact-form .smf-textarea-control__control:focus {
      outline: none;
      border-color: var(--color-secondary);
      background-color: var(--color-bg-light);
    }

    /* テキストエリア */
    .contact-form .smf-textarea-control__control {
      height: 150px;
      resize: vertical;
    }

    /* チェックボックス */
    .contact-form .smf-checkbox-control {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      cursor: pointer;
      font-size: 0.95rem;
    }

    .contact-form .smf-checkbox-control__control {
      width: 18px;
      height: 18px;
      flex-shrink: 0;
      accent-color: var(--color-secondary);
      cursor: pointer;
    }

    /* チェックボックス行：中央寄せ */
    .contact-form .smf-item:has(.smf-checkbox-control) {
      text-align: center;
      margin-top: 30px;
    }

    /* 送信ボタンエリア */
    .contact-form .smf-action {
      text-align: center;
      margin-top: 40px;
    }

    /* 送信ボタン（SMF既定のグラデーションを上書き） */
    .contact-form .smf-action .smf-button-control__control {
      display: inline-block;
      padding: 15px 50px !important;
      background-color: var(--color-primary) !important;
      background-image: none !important;
      color: #fff !important;
      border: none !important;
      border-radius: 2px !important;
      font-family: var(--font-en);
      font-size: 0.95rem;
      letter-spacing: 0.1em;
      cursor: pointer;
      transition: background-color 0.3s ease, opacity 0.3s ease;
    }

    .contact-form .smf-action .smf-button-control__control:hover {
      opacity: 0.8;
    }

    .contact-info {
      width: 40%;
      display: flex;
      flex-direction: column;
    }

    .info-box {
      background-color: var(--color-bg-base);
      padding: 30px;
      margin-bottom: 30px;
      border-left: 4px solid var(--color-secondary);
    }

    .info-box h2,
    .info-box h3 {
      font-family: var(--font-ja-serif);
      margin-bottom: 15px;
      color: var(--color-primary);
    }

    .info-box p {
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .info-box p i {
      margin-top: 5px;
      color: var(--color-secondary);
    }

    .map-wrap {
      width: 100%;
      flex: 1;
      min-height: 250px;
      background-color: #eee;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08), 0 25px 60px rgba(139, 122, 107, 0.2);
    }

    .map-wrap iframe {
      width: 100%;
      height: 100%;
      border: 0;
    }

    /* ==========================================================================
       Block Editor (Gutenberg) Common Styles
       ========================================================================== */

    /* --- ブロック間の共通スペース --- */
    .single-post__content > * + * {
      margin-top: 1.8em;
    }

    /* --- 段落 --- */
    .single-post__content p {
      font-size: 1rem;
      line-height: 2;
      color: var(--color-text-main);
    }

    /* --- 見出し h2 --- */
    .single-post__content h2 {
      font-family: var(--font-ja-serif);
      font-size: 1.5rem;
      color: var(--color-primary);
      border-bottom: 2px solid var(--color-accent);
      padding-bottom: 10px;
      margin-top: 3em;
      margin-bottom: 0.2em;
    }

    /* --- 見出し h3 --- */
    .single-post__content h3 {
      font-family: var(--font-ja-serif);
      font-size: 1.25rem;
      color: var(--color-primary);
      border-left: 4px solid var(--color-accent);
      padding-left: 12px;
      margin-top: 2.5em;
      margin-bottom: 0.2em;
    }

    /* --- 見出し h4 --- */
    .single-post__content h4 {
      font-family: var(--font-ja-serif);
      font-size: 1.1rem;
      color: var(--color-secondary);
      margin-top: 2em;
      margin-bottom: 0.2em;
    }

    /* --- リスト --- */
    .single-post__content ul,
    .single-post__content ol {
      padding-left: 1.8em;
    }

    .single-post__content ul {
      list-style: disc;
    }

    .single-post__content ol {
      list-style: decimal;
    }

    .single-post__content li {
      font-size: 1rem;
      line-height: 2;
      margin-bottom: 0.4em;
    }

    .single-post__content li:last-child {
      margin-bottom: 0;
    }

    /* --- 引用ブロック --- */
    .single-post__content blockquote,
    .single-post__content .wp-block-quote {
      border-left: 4px solid var(--color-accent);
      padding: 20px 25px;
      background-color: var(--color-bg-base);
      font-family: var(--font-ja-serif);
      color: var(--color-secondary);
      border-radius: 0 4px 4px 0;
    }

    .single-post__content blockquote p,
    .single-post__content .wp-block-quote p {
      margin-top: 0;
    }

    /* --- 区切り線 --- */
    .single-post__content hr,
    .single-post__content .wp-block-separator {
      border: none;
      border-top: 1px solid var(--color-border);
      margin: 3em auto;
      width: 60px;
      opacity: 1;
    }

    /* --- 画像 --- */
    .single-post__content img {
      max-width: 100%;
      height: auto;
      border-radius: 6px;
      box-shadow: 0 4px 20px rgba(139, 122, 107, 0.12);
    }

    .single-post__content .wp-block-image figcaption,
    .single-post__content figcaption {
      text-align: center;
      font-size: 0.85rem;
      color: #999;
      margin-top: 8px;
    }

    /* --- テーブル --- */
    .single-post__content table {
      width: 100%;
      border-collapse: collapse;
      font-size: 1rem;
    }

    .single-post__content th,
    .single-post__content td {
      padding: 12px 15px;
      border: 1px solid var(--color-border);
      text-align: left;
      vertical-align: top;
      line-height: 1.8;
    }

    .single-post__content th {
      background-color: var(--color-bg-base);
      font-family: var(--font-ja-serif);
      font-weight: 600;
      color: var(--color-primary);
    }

    /* --- ボタンブロック --- */
    .single-post__content .wp-block-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .single-post__content .wp-block-button__link {
      background-color: var(--color-primary);
      color: var(--color-text-light) !important;
      padding: 12px 30px;
      font-family: var(--font-en-serif);
      font-size: 1rem;
      letter-spacing: 0.05em;
      transition: var(--transition-base);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      border-radius: 0 !important;
    }

    .single-post__content .wp-block-button__link:hover {
      background-color: var(--color-secondary) !important;
      transform: translateY(-2px);
    }

    /* --- カバーブロック内テキスト --- */
    .single-post__content .wp-block-cover {
      border-radius: 6px;
      overflow: hidden;
    }

    /* --- SP対応 --- */
    @media screen and (max-width: 768px) {
      .single-post__content h2 {
        font-size: 1.25rem;
      }

      .single-post__content h3 {
        font-size: 1.1rem;
      }

      .single-post__content table {
        font-size: 0.9rem;
        display: block;
        overflow-x: auto;
      }
    }

    /* Privacy Policy */
    .privacy-content {
      background-color: var(--color-bg-light);
      padding: 50px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.04), 0 20px 50px rgba(139, 122, 107, 0.14), 0 0 0 1px rgba(212, 163, 115, 0.06);
      line-height: 2;
    }

    .privacy-content h3 {
      font-family: var(--font-ja-serif);
      font-size: 1.2rem;
      color: var(--color-primary);
      margin: 40px 0 15px;
      border-left: 3px solid var(--color-secondary);
      padding-left: 15px;
    }

    .privacy-content h3:first-child {
      margin-top: 10px;
    }

    .privacy-content ul {
      padding-left: 10px;
      margin-bottom: 20px;
    }

    /* ==========================================================================
           9. Media Queries (Responsive Design)
           ========================================================================== */
    @media screen and (max-width: 900px) {
      .hero {
        height: 660px;
      }

      .hero__title {
        font-size: 3rem;
      }

      .hero__subtitle {
        font-size: 1.3rem;
      }

      .concept-item,
      .concept-item:nth-child(even) {
        flex-direction: column;
        margin-bottom: 80px;
      }

      .concept-item__image-wrap,
      .concept-item__text-wrap {
        width: 100%;
        margin: 0;
      }

      .concept-item__text-wrap {
        margin-top: -30px;
        padding: 30px;
      }

      .concept-item__num {
        font-size: 4em;
      }

      .profile-card {
        flex-direction: column;
      }

      .profile-card__img,
      .profile-card__content {
        width: 100%;
      }

      .profile-card__img img {
        border-radius: 10px;
        aspect-ratio: 3/4;
      }

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

      .course-detail,
      .course-detail:nth-child(even) {
        flex-direction: column;
      }

      .course-detail__img,
      .course-detail__content {
        width: 100%;
      }

      .course-detail__content .c-btn {
        display: block;
        text-align: center;
        margin: 0 auto;
        width: fit-content;
      }

      .contact-wrap {
        flex-direction: column;
      }

      .contact-form,
      .contact-info {
        width: 100%;
        padding: 24px;
      }

      .map-wrap {
        height: 350px;
        flex: none;
      }

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

    @media screen and (max-width: 768px) {

      /* SP 左右余白（全ページ共通） */
      .l-container {
        padding: 0 5%;
      }

      .header__inner {
        padding: 0 5%;
      }

      .global-cta {
        padding: 80px 5%;
      }

      /* Gallery タブ・ボタン 縦並び */
      .gallery-tabs {
        flex-direction: column;
        align-items: center;
        gap: 12px;
      }

      .gallery-tab {
        width: 100%;
        max-width: 320px;
        text-align: center;
      }

      .gallery-sns__btns {
        flex-direction: column;
        align-items: center;
        gap: 12px;
      }

      .gallery-sns__btns .c-btn {
        width: 100%;
        max-width: 320px;
        justify-content: center;
      }

      /* Hero Section Mobile Adjustments */
      .hero {
        height: 600px;
      }

      .hero__content {
        padding: 0 20px;
      }

      .hero__title {
        font-size: 2.5rem;
        margin-bottom: 10px;
        line-height: 1.2;
      }

      .hero__subtitle {
        font-size: 1.1rem;
        margin-bottom: 15px;
        line-height: 1.5;
      }

      .hero__copy {
        font-size: 0.9rem;
        line-height: 1.6;
      }

      .header__nav {
        position: fixed;
        top: var(--header-height);
        left: 100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-bg-light);
        transition: transform 0.4s ease;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
      }

      .header__nav.is-open {
        transform: translateX(-100%);
      }

      .header__nav-list {
        flex-direction: column;
        text-align: center;
        gap: 30px;
      }

      .header__hamburger {
        display: block;
      }

      .header__hamburger.is-active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
      }

      .header__hamburger.is-active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
      }

      .header__hamburger.is-active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
      }

      .news-item {
        flex-direction: column;
        align-items: flex-start;
      }

      .news-item__thumb {
        width: 100%;
        max-width: 100%;
        height: auto;
        margin-right: 0;
        margin-bottom: 15px;
      }

      .news-item__thumb img {
        width: 100%;
        height: auto;
        object-fit: initial;
      }

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