:root {
      --color-sumi: #2D2D2D;
      --color-sumi-light: #4A4A4A;
      --color-kinari: #F5F1EB;
      --color-kinari-dark: #E8E2D9;
      --color-matcha: #6B7D5C;
      --color-matcha-light: #8A9E78;
      --color-kogecha: #5C4033;
      --color-beige: #D4C4B0;
      --font-mincho: 'Noto Serif JP', serif;
      --font-gothic: 'Zen Kaku Gothic New', sans-serif;
      --radius-sm: 4px;
      --transition-base: 0.3s ease;
    }

    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body { font-family: var(--font-gothic); font-size: 14px; line-height: 1.8; color: var(--color-sumi); background: var(--color-kinari); }
    img { max-width: 100%; height: auto; vertical-align: bottom; }
    a { color: inherit; text-decoration: none; }

    /* Header */
    .header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(245,241,235,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-beige); }
    .header__inner { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem 1rem; }
    .header__logo { font-family: var(--font-mincho); font-size: 1.1rem; font-weight: 600; letter-spacing: 0.08em; }
    .header__logo-sub { display: block; font-size: 0.5rem; font-weight: 400; color: var(--color-sumi-light); }
    .nav-toggle { display: flex; flex-direction: column; gap: 5px; padding: 5px; background: none; border: none; cursor: pointer; }
    .nav-toggle__bar { display: block; width: 22px; height: 2px; background: var(--color-sumi); transition: var(--transition-base); }
    .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-kinari); border-bottom: 1px solid var(--color-beige); }
    .nav.is-active { display: block; }
    .nav__list { list-style: none; }
    .nav__link { display: block; padding: 1rem 1.25rem; font-family: var(--font-mincho); font-size: 0.9rem; border-bottom: 1px solid var(--color-kinari-dark); }
    .nav__item:last-child .nav__link { border-bottom: none; }

    /* Hero */
    .hero { position: relative; min-height: 80vh; margin-top: 54px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
    .hero__slideshow { position: absolute; inset: 0; z-index: 0; }
    .hero__slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.5s ease-in-out; background-size: cover; background-position: center; }
    .hero__slide::after { content: ''; position: absolute; inset: 0; background: rgba(245,241,235,0.75); }
    .hero__slide.is-active { opacity: 1; }
    .hero__indicators { position: absolute; bottom: 3.5rem; left: 50%; transform: translateX(-50%); display: flex; gap: 0.5rem; z-index: 10; }
    .hero__indicator { width: 8px; height: 8px; padding: 0; border: none; border-radius: 50%; background: var(--color-beige); cursor: pointer; }
    .hero__indicator.is-active { background: var(--color-matcha); }
    .hero__content { position: relative; z-index: 5; text-align: center; padding: 1.5rem; margin-bottom: 2rem; }
    .hero__title { font-family: var(--font-mincho); font-size: 2.2rem; font-weight: 600; letter-spacing: 0.12em; margin-bottom: 0.25rem; text-shadow: 0 2px 15px rgba(255,255,255,0.5); }
    .hero__subtitle { font-family: var(--font-mincho); font-size: 0.7rem; letter-spacing: 0.2em; color: var(--color-sumi-light); margin-bottom: 1.25rem; }
    .hero__tagline { font-family: var(--font-mincho); font-size: 0.9rem; color: var(--color-matcha); letter-spacing: 0.05em; line-height: 2; }
    .hero__scroll { position: absolute; bottom: 0.75rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.25rem; font-size: 0.55rem; letter-spacing: 0.1em; color: var(--color-sumi-light); z-index: 10; }
    .hero__scroll::after { content: ''; width: 1px; height: 14px; background: var(--color-sumi-light); animation: scroll-line 2s infinite; }
    @keyframes scroll-line { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

    /* Fade In Animation */
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }

    .hero__content {
      opacity: 0;
      animation: fadeInUp 1s ease-out 0.3s forwards;
    }

    .hero__scroll {
      opacity: 0;
      animation: fadeIn 1s ease-out 1.2s forwards;
    }

    .hero__indicators {
      opacity: 0;
      animation: fadeIn 0.8s ease-out 1s forwards;
    }

    .fade-in {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    }

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

    /* Section */
    .section { padding: 3rem 1.25rem; }
    .section__inner { max-width: 1000px; margin: 0 auto; }
    .section__header { text-align: center; margin-bottom: 1.75rem; }
    .section__title-en { display: block; font-size: 0.6rem; font-weight: 400; color: var(--color-matcha); letter-spacing: 0.15em; margin-bottom: 0.3rem; }
    .section__title { font-family: var(--font-mincho); font-size: 1.3rem; font-weight: 500; letter-spacing: 0.1em; }
    .section__lead { margin-top: 0.5rem; font-size: 0.8rem; color: var(--color-sumi-light); }
    .section--white { background: #fff; }
    .section--dark { background: var(--color-sumi); color: #fff; }
    .section--dark .section__title { color: #fff; }
    .section--dark .section__lead { color: rgba(255,255,255,0.7); }

    /* About */
    .about__image { aspect-ratio: 4/3; border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 1.5rem; }
    .about__image img { width: 100%; height: 100%; object-fit: cover; }
    .about__heading { font-family: var(--font-mincho); font-size: 1.05rem; font-weight: 500; letter-spacing: 0.08em; color: var(--color-kogecha); margin-bottom: 1rem; }
    .about__text { font-size: 0.85rem; line-height: 1.9; margin-bottom: 1rem; }
    .about__quote { font-family: var(--font-mincho); font-size: 0.9rem; line-height: 1.8; color: var(--color-matcha); padding-left: 0.75rem; border-left: 2px solid var(--color-matcha); margin-top: 1.25rem; }

    /* Menu */
    .menu-grid { display: flex; flex-direction: column; gap: 1rem; }
    .menu-card { display: flex; background: #fff; border-radius: var(--radius-sm); overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.04); }
    .menu-card__image { width: 100px; flex-shrink: 0; overflow: hidden; }
    .menu-card__image img { width: 100%; height: 100%; object-fit: cover; }
    .menu-card__body { padding: 0.85rem 1rem; display: flex; flex-direction: column; justify-content: center; }
    .menu-card__category { font-size: 0.55rem; color: var(--color-matcha); letter-spacing: 0.08em; margin-bottom: 0.2rem; }
    .menu-card__name { font-family: var(--font-mincho); font-size: 0.95rem; font-weight: 500; margin-bottom: 0.2rem; }
    .menu-card__desc { font-size: 0.7rem; color: var(--color-sumi-light); line-height: 1.5; margin-bottom: 0.35rem; }
    .menu-card__price { font-family: var(--font-mincho); font-size: 0.85rem; color: var(--color-kogecha); }
    .menu__note { text-align: center; margin-top: 1.25rem; font-size: 0.75rem; color: var(--color-sumi-light); }

    /* Instagram */
    .instagram-feed { margin-bottom: 1.5rem; }
    .instagram__follow { text-align: center; }
    .btn--instagram { display: inline-block; padding: 0.9rem 2rem; background: var(--color-sumi); color: #fff; border-radius: var(--radius-sm); font-size: 0.85rem; transition: var(--transition-base); }
    .btn--instagram:hover { background: var(--color-sumi-light); }

    /* Access */
    .access__info { text-align: center; margin-bottom: 1.5rem; }
    .access__name { font-family: var(--font-mincho); font-size: 1.2rem; font-weight: 500; letter-spacing: 0.12em; margin-bottom: 1.25rem; }
    .access__details { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.25rem; }
    .access__item dt { font-size: 0.65rem; color: var(--color-matcha-light); letter-spacing: 0.08em; margin-bottom: 0.3rem; }
    .access__item dd { font-size: 0.85rem; line-height: 1.7; }
    .access__parking { padding: 0.85rem 1rem; background: rgba(255,255,255,0.05); border-radius: var(--radius-sm); font-size: 0.75rem; text-align: center; margin-bottom: 1.5rem; }
    .access__parking strong { color: var(--color-matcha-light); }
    .access__map { aspect-ratio: 4/3; border-radius: var(--radius-sm); overflow: hidden; }
    .access__map iframe { width: 100%; height: 100%; border: 0; }

    /* FAQ */
    .faq-list { max-width: 700px; margin: 0 auto; }
    .faq-item { border-bottom: 1px solid var(--color-beige); }
    .faq-item__question { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding: 1rem 0; font-family: var(--font-mincho); font-size: 0.85rem; font-weight: 500; cursor: pointer; list-style: none; }
    .faq-item__question::-webkit-details-marker { display: none; }
    .faq-item__question::after { content: '+'; font-size: 1.1rem; color: var(--color-matcha); flex-shrink: 0; }
    .faq-item[open] .faq-item__question::after { content: '−'; }
    .faq-item__answer { padding: 0 0 1rem 0; font-size: 0.8rem; line-height: 1.85; color: var(--color-sumi-light); }

    /* CTA */
    .cta { background: var(--color-matcha); color: #fff; text-align: center; padding: 2.5rem 1.25rem; }
    .cta__title { font-family: var(--font-mincho); font-size: 1.1rem; font-weight: 500; letter-spacing: 0.08em; margin-bottom: 1.5rem; }
    .cta__plans { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem; }
    .cta__plan { background: rgba(255,255,255,0.1); border-radius: var(--radius-sm); overflow: hidden; text-align: left; }
    .cta__plan-image { aspect-ratio: 16/9; overflow: hidden; }
    .cta__plan-image img { width: 100%; height: 100%; object-fit: cover; }
    .cta__plan-body { padding: 1rem; }
    .cta__plan-title { font-family: var(--font-mincho); font-size: 1rem; font-weight: 500; margin-bottom: 0.5rem; }
    .cta__plan-desc { font-size: 0.75rem; opacity: 0.9; margin-bottom: 0.5rem; }
    .cta__plan-time { font-size: 0.75rem; opacity: 0.85; margin-bottom: 0.25rem; }
    .cta__plan-price { font-family: var(--font-mincho); font-size: 0.9rem; }
    .cta__plan-note { font-size: 0.7rem; opacity: 0.8; margin-top: 0.5rem; }
    .cta__floorplan { margin-bottom: 1.5rem; }
    .cta__floorplan-label { font-size: 0.75rem; opacity: 0.85; margin-bottom: 0.5rem; }
    .cta__floorplan-image { position: relative; background: rgba(255,255,255,0.1); border-radius: var(--radius-sm); overflow: hidden; }
    .cta__floorplan-image img { width: 100%; display: block; }
    .cta__floorplan-dummy { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 0.75rem; background: rgba(0,0,0,0.5); padding: 0.5rem 1rem; border-radius: var(--radius-sm); }
    .cta__text { font-size: 0.8rem; line-height: 1.8; opacity: 0.9; margin-bottom: 1.25rem; }
    .cta__buttons { display: flex; flex-direction: column; gap: 0.6rem; }
    .btn { display: block; padding: 0.9rem 1.5rem; border-radius: var(--radius-sm); font-size: 0.85rem; text-align: center; transition: var(--transition-base); }
    .btn--primary { background: #fff; color: var(--color-matcha); }
    .btn--outline { border: 1px solid #fff; color: #fff; }

    /* Footer */
    .footer { background: var(--color-sumi); color: rgba(255,255,255,0.7); padding: 1.75rem 1.25rem; text-align: center; }
    .footer__inner { display: flex; flex-direction: column; gap: 0.75rem; }
    .footer__logo { font-family: var(--font-mincho); font-size: 1rem; color: #fff; letter-spacing: 0.08em; }
    .footer__logo-sub { display: block; font-size: 0.55rem; opacity: 0.7; margin-top: 0.2rem; }
    .footer__copy { font-size: 0.65rem; }

    /* Tablet */
    @media (min-width: 600px) {
      body { font-size: 15px; }
      .header__inner { padding: 0.85rem 1.5rem; }
      .header__logo { font-size: 1.25rem; }
      .section { padding: 4rem 1.5rem; }
      .section__title { font-size: 1.5rem; }
      .hero { min-height: 70vh; margin-top: 58px; }
      .hero__title { font-size: 3rem; }
      .hero__tagline { font-size: 1rem; }
      .menu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
      .menu-card { flex-direction: column; }
      .menu-card__image { width: 100%; aspect-ratio: 1; }
      .menu-card__body { padding: 1.15rem; }
      .instagram-grid { grid-template-columns: repeat(4, 1fr); }
      .access__details { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 1.25rem 2rem; }
      .access__map { aspect-ratio: 16/9; max-width: 550px; margin: 0 auto; }
      .cta__buttons { flex-direction: row; justify-content: center; gap: 0.75rem; }
      .cta__plans { flex-direction: row; gap: 1rem; max-width: 700px; margin-left: auto; margin-right: auto; margin-bottom: 2rem; }
      .cta__plan { flex: 1; }
      .cta__floorplan { max-width: 500px; margin-left: auto; margin-right: auto; margin-bottom: 2rem; }
      .btn { display: inline-block; padding: 0.9rem 2rem; }
      .footer__inner { flex-direction: row; justify-content: space-between; align-items: center; max-width: 900px; margin: 0 auto; }
    }

    /* Desktop */
    @media (min-width: 900px) {
      body { font-size: 16px; }
      .header__inner { max-width: 1100px; margin: 0 auto; padding: 0.9rem 2rem; }
      .header__logo { font-size: 1.35rem; }
      .nav-toggle { display: none; }
      .nav { display: block; position: static; background: none; border: none; }
      .nav__list { display: flex; gap: 2rem; }
      .nav__link { padding: 0; border: none; font-size: 0.85rem; }
      .nav__link:hover { color: var(--color-matcha); }
      .section { padding: 5rem 2rem; }
      .section__title { font-size: 1.65rem; }
      .section__lead { font-size: 0.9rem; }
      .hero { margin-top: 65px; }
      .hero__title { font-size: 4rem; letter-spacing: 0.15em; }
      .hero__subtitle { font-size: 0.9rem; margin-bottom: 1.5rem; }
      .hero__tagline { font-size: 1.15rem; }
      .about__content { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
      .about__image { margin-bottom: 0; }
      .about__heading { font-size: 1.2rem; }
      .menu-grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
      .access__details { gap: 1.5rem 3rem; }
      .access__map { max-width: 700px; }
      .faq-item__question { font-size: 0.95rem; padding: 1.15rem 0; }
      .cta { padding: 3.5rem 2rem; }
      .cta__title { font-size: 1.35rem; }
    }