/* =============================================
   CSS Variables & Reset
============================================= */
:root {
    --ink:        #1a1410;
    --warm-dark:  #2a1f14;
    --sake:       #c8a96e;
    --rice:       #f5f0e8;
    --ember:      #c94c1a;
    --stone:      #8a8278;
    --sake-light: #e8d4a8;
    --sake-dim:   rgba(200,169,110,0.15);
    --sake-glow:  rgba(200,169,110,0.35);
  }
  
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  
  html { scroll-behavior: smooth; font-size: 16px; }
  
  body {
    background: var(--ink);
    color: var(--rice);
    font-family: 'Noto Serif JP', serif;
    line-height: 1.8;
    overflow-x: hidden;
  }
  
  img { display: block; width: 100%; height: 100%; object-fit: cover; }
  a { color: inherit; text-decoration: none; }
  ul { list-style: none; }
  
  /* =============================================
     UTILITY
  ============================================= */
  .section-label {
    font-family: 'Zen Antique', serif;
    font-size: 0.7rem;
    letter-spacing: 0.35em;
    color: var(--sake);
    text-transform: uppercase;
    display: block;
    margin-bottom: 1rem;
  }
  
  .section-title {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--rice);
    line-height: 1.3;
  }
  
  .section-title span { color: var(--sake); }
  
  .divider {
    width: 3rem;
    height: 1px;
    background: var(--sake);
    margin: 1.5rem 0;
  }
  
  .section-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
  }
  
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* =============================================
     NAV
  ============================================= */
  #nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(26,20,16,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(200,169,110,0.2);
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.3s;
  }
  
  .nav-logo {
    font-family: 'Zen Antique', serif;
    font-size: 1.8rem;
    color: var(--sake);
    line-height: 1;
    letter-spacing: 0.1em;
  }
  .nav-logo span {
    font-family: 'Noto Serif JP', serif;
    font-size: 0.65rem;
    display: block;
    color: var(--stone);
    letter-spacing: 0.25em;
    margin-top: 2px;
  }
  
  .nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  .nav-links a {
    font-family: 'Noto Serif JP', serif;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    color: var(--stone);
    transition: color 0.25s;
    position: relative;
  }
  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -3px; left: 0;
    width: 0; height: 1px;
    background: var(--sake);
    transition: width 0.3s ease;
  }
  .nav-links a:hover { color: var(--sake); }
  .nav-links a:hover::after { width: 100%; }
  
  .nav-reserve {
    background: var(--sake);
    color: var(--ink) !important;
    padding: 0.45rem 1.1rem;
    font-size: 0.75rem !important;
    letter-spacing: 0.12em;
    transition: background 0.25s !important;
  }
  .nav-reserve:hover { background: var(--sake-light) !important; }
  .nav-reserve::after { display: none !important; }
  

  
  /* =============================================
     HERO
  ============================================= */
  #hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  
  .hero-bg {
    position: absolute;
    inset: 0;
    background:
      linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
      url('img/store.png') no-repeat center center / cover;
  }
  
  .hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.6;
    pointer-events: none;
  }
  
  .hero-deco {
    position: absolute;
    right: 8vw;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'Zen Antique', serif;
    font-size: clamp(12rem, 25vw, 22rem);
    color: transparent;
    -webkit-text-stroke: 1px rgba(200,169,110,0.12);
    line-height: 1;
    pointer-events: none;
    user-select: none;
  }
  
  .hero-content {
    position: relative;
    z-index: 2;
    text-align: left;
    padding: 0 2rem;
    max-width: 700px;
    margin-left: 8vw;
  }
  
  .hero-label {
    font-family: 'Zen Antique', serif;
    font-size: 0.7rem;
    letter-spacing: 0.4em;
    color: var(--sake);
    display: block;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 1s ease 0.3s forwards;
  }
  
  .hero-kanji {
    font-family: 'Zen Antique', serif;
    font-size: clamp(5rem, 14vw, 10rem);
    color: var(--sake);
    line-height: 1;
    display: block;
    text-shadow: 0 0 60px rgba(200,169,110,0.3);
    opacity: 0;
    animation: fadeUp 1s ease 0.5s forwards;
  }
  
  .hero-name {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(0.8rem, 1.5vw, 1rem);
    letter-spacing: 0.5em;
    color: var(--stone);
    display: block;
    margin-top: 0.5rem;
    opacity: 0;
    animation: fadeUp 1s ease 0.7s forwards;
  }
  
  .hero-copy {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    color: var(--rice);
    font-weight: 500;
    line-height: 1.9;
    margin-top: 2rem;
    opacity: 0;
    animation: fadeUp 1s ease 0.9s forwards;
  }
  
  .hero-sub {
    font-size: 0.8rem;
    color: var(--stone);
    letter-spacing: 0.08em;
    margin-top: 0.8rem;
    opacity: 0;
    animation: fadeUp 1s ease 1.1s forwards;
  }
  
  .hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    margin-top: 2.5rem;
    padding: 0.85rem 2rem;
    border: 1px solid var(--sake);
    color: var(--sake);
    font-family: 'Noto Serif JP', serif;
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    transition: background 0.3s, color 0.3s;
    opacity: 0;
    animation: fadeUp 1s ease 1.3s forwards;
  }
  .hero-cta:hover {
    background: var(--sake);
    color: var(--ink);
  }
  .hero-cta-arrow {
    width: 24px; height: 1px;
    background: currentColor;
    display: inline-block;
    position: relative;
    transition: width 0.3s;
  }
  .hero-cta-arrow::after {
    content: '';
    position: absolute;
    right: 0; top: -3px;
    width: 7px; height: 7px;
    border-top: 1px solid currentColor;
    border-right: 1px solid currentColor;
    transform: rotate(45deg);
  }
  .hero-cta:hover .hero-cta-arrow { width: 36px; }
  
  .hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeIn 1s ease 2s forwards;
  }
  .hero-scroll span {
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    color: var(--stone);
  }
  .scroll-line {
    width: 1px; height: 40px;
    background: linear-gradient(to bottom, var(--stone), transparent);
    animation: scrollPulse 2s ease infinite;
  }
  
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes fadeIn {
    from { opacity: 0; } to { opacity: 1; }
  }
  @keyframes scrollPulse {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50%       { transform: scaleY(0.7); opacity: 0.4; }
  }
  
  /* =============================================
     CONCEPT
  ============================================= */
  #concept {
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
  }
  
  #concept::before {
    content: 'CONCEPT';
    position: absolute;
    top: 4rem; right: -2rem;
    font-family: 'Zen Antique', serif;
    font-size: 6rem;
    color: rgba(200,169,110,0.04);
    letter-spacing: 0.2em;
    pointer-events: none;
  }
  
  .concept-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
  }
  
  .concept-text .section-label { display: block; }
  
  .concept-body {
    margin-top: 1.5rem;
    color: rgba(245,240,232,0.75);
    font-size: 0.95rem;
    line-height: 2.2;
  }
  
  .concept-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 2rem;
  }
  .concept-tag {
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    padding: 0.35rem 0.9rem;
    border: 1px solid rgba(200,169,110,0.35);
    color: var(--sake);
  }
  
  .concept-image-wrap {
    position: relative;
    aspect-ratio: 4/5;
    overflow: hidden;
  }
  
  .concept-image-mock {
    width: 100%;
    height: 100%;
    background:
      linear-gradient(135deg, rgba(200,169,110,0.15) 0%, rgba(42,31,20,0.6) 100%),
      repeating-linear-gradient(
        45deg,
        rgba(200,169,110,0.05) 0px,
        rgba(200,169,110,0.05) 1px,
        transparent 1px,
        transparent 12px
      );
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .concept-image-mock::after {
    content: '店内写真';
    font-family: 'Noto Serif JP', serif;
    font-size: 0.8rem;
    color: var(--stone);
    letter-spacing: 0.2em;
  }
  
  .concept-image-wrap::after {
    content: '';
    position: absolute;
    bottom: -1.5rem; right: -1.5rem;
    width: 60%; height: 60%;
    border: 1px solid rgba(200,169,110,0.2);
    pointer-events: none;
  }
  
  @media (max-width: 768px) {
    .concept-inner { grid-template-columns: 1fr; gap: 3rem; }
    .concept-image-wrap::after { display: none; }
  }
  
  /* =============================================
     FEATURES
  ============================================= */
  #features {
    padding: 6rem 0;
    background: var(--warm-dark);
    position: relative;
  }
  
  #features::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--sake), transparent);
  }
  
  .features-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
  }
  
  .features-header {
    text-align: center;
    margin-bottom: 4rem;
  }
  .features-header .divider { margin: 1.5rem auto; }
  
  .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
  }
  
  .feature-card {
    background: var(--ink);
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
  }
  .feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--sake-dim);
    opacity: 0;
    transition: opacity 0.3s;
  }
  .feature-card:hover::before { opacity: 1; }
  
  .feature-icon {
    font-family: 'Zen Antique', serif;
    font-size: 3rem;
    color: var(--sake);
    display: block;
    margin-bottom: 1.2rem;
    line-height: 1;
  }
  
  .feature-title {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--rice);
    margin-bottom: 0.8rem;
  }
  
  .feature-body {
    font-size: 0.8rem;
    color: var(--stone);
    line-height: 1.9;
  }
  
  @media (max-width: 768px) {
    .features-grid { grid-template-columns: 1fr; }
  }
  

  
  /* =============================================
     INFO
  ============================================= */
  #info {
    padding: 8rem 0;
    position: relative;
  }
  
  .info-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
  }
  
  .info-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
  }
  
  .info-table tr {
    border-bottom: 1px solid rgba(200,169,110,0.12);
  }
  
  .info-table td {
    padding: 1rem 0.5rem;
    font-size: 0.85rem;
  }
  
  .info-table td:first-child {
    color: var(--sake);
    white-space: nowrap;
    padding-right: 1.5rem;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
  }
  
  .info-table td:last-child {
    color: rgba(245,240,232,0.8);
  }
  
  .info-map {
    margin-top: 2rem;
    height: 300px;
    overflow: hidden;
  }
  
  .info-map iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: invert(90%) hue-rotate(180deg);
  }
  
  @media (max-width: 768px) {
    .info-inner { grid-template-columns: 1fr; gap: 3rem; }
  }
  
  /* =============================================
     RESERVATION
  ============================================= */
  #reservation {
    padding: 7rem 0;
    background: var(--warm-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  
  #reservation::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--sake), transparent);
  }
  
  #reservation::after {
    content: '予約';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Zen Antique', serif;
    font-size: 16rem;
    color: rgba(200,169,110,0.03);
    pointer-events: none;
  }
  
  .reservation-inner {
    position: relative;
    z-index: 1;
  }
  
  .reservation-copy {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(0.95rem, 2vw, 1.2rem);
    color: rgba(245,240,232,0.7);
    line-height: 2;
    margin-top: 1.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .btn-reserve {
    display: inline-block;
    margin-top: 3rem;
    padding: 1.1rem 3rem;
    background: var(--sake);
    color: var(--ink);
    font-family: 'Noto Serif JP', serif;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    transition: background 0.3s, transform 0.3s;
  }
  .btn-reserve:hover {
    background: var(--sake-light);
    transform: translateY(-2px);
  }
  

  
  /* =============================================
     FOOTER
  ============================================= */
  #footer {
    background: #0d0b09;
    padding: 4rem 2rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(200,169,110,0.15);
  }
  
  .footer-logo {
    font-family: 'Zen Antique', serif;
    font-size: 3rem;
    color: var(--sake);
    line-height: 1;
  }
  
  .footer-tagline {
    font-size: 0.7rem;
    color: var(--stone);
    letter-spacing: 0.3em;
    margin-top: 0.5rem;
  }
  
  .footer-sns {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
  }
  
  .footer-sns a {
    font-size: 0.75rem;
    color: var(--stone);
    letter-spacing: 0.15em;
    border: 1px solid rgba(138,130,120,0.3);
    padding: 0.5rem 1.2rem;
    transition: color 0.3s, border-color 0.3s;
  }
  .footer-sns a:hover { color: var(--sake); border-color: var(--sake); }
  
  .footer-copy {
    margin-top: 3rem;
    font-size: 0.65rem;
    color: rgba(138,130,120,0.5);
    letter-spacing: 0.15em;
  }
  
  /* =============================================
     ADDITIONAL COMPONENTS
  ============================================= */
  .menu-note {
    text-align: center;
    margin: 3rem auto;
    padding: 0 2rem;
    max-width: 800px;
  }
  
  .menu-note p {
    font-size: 0.9rem;
    color: var(--stone);
    line-height: 1.8;
  }
  
  .sp-only {
    display: none;
  }
  
  @media (max-width: 768px) {
    .sp-only {
      display: block;
    }
    .menu-note {
      margin: 2rem auto;
    }
  }