:root {
    --cream: #F5EDD8;
    --kraft: #E8D5B0;
    --dark: #2C2416;
    --red: #C0392B;
    --orange: #E07B39;
    --olive: #6B7A3C;
    --stamp-red: #A63228;
    --tape-yellow: rgba(255,230,100,0.55);
    --tape-blue: rgba(150,200,230,0.45);
    --tape-pink: rgba(230,150,160,0.45);
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  body {
    background-color: var(--cream);
    font-family: 'DM Sans', system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
    color: var(--dark);
    overflow-x: hidden;
  }

  /* ---- NOTEBOOK GRID BACKGROUND ---- */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
      linear-gradient(rgba(100,80,40,.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(100,80,40,.06) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
    z-index: 0;
  }

  /* ---- PAPER TEXTURE ---- */
  body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
    opacity: .5;
  }

  section, nav, footer { position: relative; z-index: 1; }

  /* ---- FONTS ---- */
  .font-hand { font-family: 'Caveat', cursive; }
  .font-display { font-family: 'Playfair Display', Georgia, 'Times New Roman', serif; }

  /* ---- WASHI TAPE ---- */
  .tape {
    position: absolute;
    height: 22px;
    width: 90px;
    transform: rotate(-3deg);
    z-index: 10;
    border-radius: 2px;
    background: var(--tape-yellow);
    backdrop-filter: blur(1px);
    box-shadow: 0 1px 4px rgba(0,0,0,.12);
  }
  .tape::before {
    content: '';
    position: absolute;
    inset: 3px;
    background: repeating-linear-gradient(90deg, transparent, transparent 4px, rgba(255,255,255,.35) 4px, rgba(255,255,255,.35) 5px);
    border-radius: 1px;
  }
  .tape-blue { background: var(--tape-blue); transform: rotate(2deg); }
  .tape-pink { background: var(--tape-pink); transform: rotate(-1deg); }
  .tape-wide { width: 120px; }

  /* ---- RIPPED EDGE (SVG clip approach) ---- */
  .ripped-top {
    position: relative;
  }
  .ripped-top::before {
    content: '';
    position: absolute;
    top: -18px; left: 0; right: 0;
    height: 20px;
    background: var(--cream);
    clip-path: polygon(0% 100%, 2% 20%, 5% 80%, 8% 10%, 11% 70%, 14% 30%, 17% 85%, 20% 15%, 23% 65%, 26% 25%, 29% 75%, 32% 10%, 35% 60%, 38% 30%, 41% 80%, 44% 20%, 47% 70%, 50% 5%, 53% 75%, 56% 25%, 59% 65%, 62% 15%, 65% 80%, 68% 30%, 71% 70%, 74% 20%, 77% 75%, 80% 10%, 83% 65%, 86% 25%, 89% 80%, 92% 15%, 95% 70%, 98% 30%, 100% 90%, 100% 100%);
    z-index: 2;
  }

  .ripped-bottom::after {
    content: '';
    position: absolute;
    bottom: -18px; left: 0; right: 0;
    height: 20px;
    background: inherit;
    clip-path: polygon(0% 0%, 1% 80%, 4% 20%, 7% 90%, 10% 30%, 13% 70%, 16% 10%, 19% 85%, 22% 35%, 25% 75%, 28% 15%, 31% 80%, 34% 25%, 37% 65%, 40% 10%, 43% 75%, 46% 30%, 49% 85%, 52% 20%, 55% 70%, 58% 25%, 61% 80%, 64% 15%, 67% 75%, 70% 20%, 73% 85%, 76% 30%, 79% 70%, 82% 10%, 85% 80%, 88% 25%, 91% 75%, 94% 15%, 97% 80%, 100% 20%, 100% 0%);
    z-index: 2;
  }

  /* Photo card polaroid */
  .polaroid {
    background: #fff;
    padding: 10px 10px 30px 10px;
    box-shadow: 3px 5px 18px rgba(0,0,0,.18), 0 1px 3px rgba(0,0,0,.1);
    transform: rotate(-2deg);
    transition: transform .3s ease, box-shadow .3s ease;
  }
  .polaroid:hover { transform: rotate(0deg) scale(1.04); box-shadow: 6px 10px 30px rgba(0,0,0,.25); }
  .polaroid:nth-child(even) { transform: rotate(1.5deg); }
  .polaroid:nth-child(even):hover { transform: rotate(0deg) scale(1.04); }

  /* Stamp effect */
  .stamp {
    display: inline-block;
    border: 3px solid var(--stamp-red);
    color: var(--stamp-red);
    font-family: 'Caveat', cursive;
    font-weight: 700;
    padding: 2px 8px;
    transform: rotate(-5deg);
    letter-spacing: 1px;
    opacity: .92;
    border-radius: 2px;
  }

  /* Sticky note */
  .sticky-note {
    background: #FFF9C4;
    box-shadow: 3px 4px 14px rgba(0,0,0,.15), inset 0 -2px 0 rgba(0,0,0,.05);
    padding: 24px 26px;
    position: relative;
    font-family: 'Caveat', cursive;
  }
  .sticky-note::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: linear-gradient(90deg, #FFE082, #FFF176, #FFE082);
  }

  /* CTA sticker button */
  .sticker-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 110px; height: 110px;
    border-radius: 50%;
    background: var(--red);
    color: #fff;
    font-family: 'Caveat', cursive;
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    box-shadow: 4px 5px 18px rgba(192,57,43,.4);
    transform: rotate(-8deg);
    transition: transform .3s, box-shadow .3s;
    cursor: pointer;
    text-decoration: none;
    border: 3px dashed rgba(255,255,255,.5);
    position: relative;
    z-index: 5;
  }
  .sticker-btn:hover { transform: rotate(0deg) scale(1.1); box-shadow: 6px 8px 24px rgba(192,57,43,.55); }

  /* Hero ripped section */
  .hero-ripped-img {
    filter: drop-shadow(6px 8px 16px rgba(0,0,0,.28));
    clip-path: polygon(0% 2%, 3% 0%, 6% 3%, 9% 0%, 12% 2%, 16% 0%, 19% 3%, 22% 0%, 26% 2%, 30% 0%, 33% 2%, 36% 0%, 40% 3%, 44% 0%, 47% 2%, 50% 0%, 54% 3%, 57% 0%, 60% 2%, 63% 0%, 67% 3%, 71% 0%, 74% 2%, 77% 0%, 81% 3%, 84% 0%, 87% 2%, 90% 0%, 93% 3%, 96% 0%, 100% 2%, 100% 98%, 97% 100%, 94% 97%, 91% 100%, 88% 98%, 85% 100%, 82% 97%, 79% 100%, 76% 98%, 73% 100%, 70% 97%, 67% 100%, 64% 98%, 61% 100%, 58% 97%, 55% 100%, 52% 98%, 49% 100%, 46% 97%, 43% 100%, 40% 98%, 37% 100%, 34% 97%, 31% 100%, 28% 98%, 25% 100%, 22% 97%, 19% 100%, 16% 98%, 13% 100%, 10% 97%, 7% 100%, 4% 98%, 2% 100%, 0% 98%);
  }

  /* Scroll reveal */
  .reveal {
    opacity: 0;
    transform: translateY(40px) rotate(-1deg);
    transition: opacity .6s ease, transform .6s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
  }
  .reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity .7s ease, transform .7s ease;
  }
  .reveal-left.visible { opacity: 1; transform: translateX(0); }
  .reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity .7s ease, transform .7s ease;
  }
  .reveal-right.visible { opacity: 1; transform: translateX(0); }
  .reveal-scale {
    opacity: 0;
    transform: scale(0.8) rotate(3deg);
    transition: opacity .5s ease, transform .5s ease;
  }
  .reveal-scale.visible { opacity: 1; transform: scale(1) rotate(0deg); }

  /* Doodle SVG inline */
  .doodle { position: absolute; pointer-events: none; z-index: 3; }

  /* Nav */
  nav {
    background: rgba(245,237,216,.92);
    backdrop-filter: blur(8px);
    border-bottom: 2px solid rgba(44,36,22,.1);
    position: sticky;
    top: 0;
    z-index: 100;
  }

  /* Hero big heading */
  .hero-title {
    font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
    font-size: clamp(2.4rem, 6vw, 5rem);
    line-height: 1.1;
    color: var(--dark);
    font-style: italic;
  }
  .hero-subtitle {
    font-family: 'Caveat', cursive;
    font-size: clamp(1.4rem, 3vw, 2.4rem);
    color: var(--red);
  }

  /* Section titles */
  .section-label {
    font-family: 'Caveat', cursive;
    font-size: 1rem;
    color: var(--olive);
    letter-spacing: 3px;
    text-transform: uppercase;
  }
  .section-title {
    font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
    font-size: clamp(1.8rem, 4vw, 3rem);
    color: var(--dark);
  }

  /* Menu card */
  .menu-card {
    background: #fff;
    padding: 10px 10px 20px;
    box-shadow: 3px 6px 20px rgba(0,0,0,.15);
    position: relative;
    transition: transform .3s, box-shadow .3s;
  }
  .menu-card:hover { transform: translateY(-6px) rotate(0deg) !important; box-shadow: 6px 12px 32px rgba(0,0,0,.22); }

  /* Red banner stripe */
  .banner-stripe {
    background: var(--red);
    color: #fff;
    font-family: 'Caveat', cursive;
    font-size: 1.5rem;
    padding: 16px 0;
    white-space: nowrap;
    overflow: hidden;
    position: relative;
  }
  .banner-inner {
    display: inline-block;
    animation: marquee 18s linear infinite;
    white-space: nowrap;
  }
  @keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }

  /* Footer */
  footer {
    background: var(--dark);
    color: var(--cream);
    position: relative;
    overflow: hidden;
  }

  /* Responsive helpers */
  @media (max-width: 640px) {
    .sticker-btn { width: 90px; height: 90px; font-size: .9rem; }
    .tape { width: 60px; height: 18px; }

    /* 狭幅でナビの操作群が横あふれ/クリップしないよう収める */
    nav.py-3 { padding-left: .75rem; padding-right: .75rem; }
    nav > div { gap: .5rem; }
    #call-btn-el {
      font-size: .8rem;
      padding-left: .6rem;
      padding-right: .6rem;
      padding-top: .25rem;
      padding-bottom: .25rem;
      white-space: nowrap;
    }
    #btnVi, #btnEn, #btnJa {
      font-size: .7rem;
      padding-left: .35rem;
      padding-right: .35rem;
    }

    /* 狭幅でメニューページネーション（前/次ボタン）が横あふれしないよう収める */
    #menuBook > div:last-child {
      gap: 8px !important;
      flex-wrap: wrap !important;
    }
    #prevBtnMenu, #nextBtnMenu {
      padding: 8px 12px !important;
      font-size: .85rem !important;
    }
    #pageIndicatorMenu {
      min-width: 60px !important;
      font-size: .85rem !important;
    }
  }

  @media (max-width: 375px) {
    /* 320〜375px端末でロゴを縮小し、右側の電話CTAとの間隔をより確保しやすくする */
    nav .text-2xl { font-size: 1.1rem; }
  }

  /* Pop-in animation for polaroid stagger */
  .polaroid-stagger:nth-child(1) { transition-delay: 0s; }
  .polaroid-stagger:nth-child(2) { transition-delay: .12s; }
  .polaroid-stagger:nth-child(3) { transition-delay: .24s; }
  .polaroid-stagger:nth-child(4) { transition-delay: .36s; }

  /* About section background */
  .about-section {
    background: var(--kraft);
    position: relative;
  }

  /* Kraft strip */
  .kraft-strip {
    background: #D4B896;
    height: 40px;
    position: relative;
  }

  /* Image floating decorations */
  @keyframes float {
    0%, 100% { transform: rotate(-2deg) translateY(0); }
    50% { transform: rotate(-2deg) translateY(-8px); }
  }
  .floating { animation: float 4s ease-in-out infinite; }
  .floating-2 { animation: float 5s ease-in-out infinite reverse; }

  /* Scroll indicator */
  @keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
  }
  .bounce-anim { animation: bounce 1.5s ease-in-out infinite; }

/* ===== UTILITY CLASSES (replaces Tailwind CDN) ===== */

/* --- Display --- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.inline-flex { display: inline-flex; }
.inline-block { display: inline-block; }
.block { display: block; }
.grid { display: grid; }
.hidden { display: none; }

/* --- Flex/Grid alignment --- */
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }

/* --- Grid columns --- */
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* --- Gap --- */
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-14 { gap: 3.5rem; }

/* --- Width / Height --- */
.w-full { width: 100%; }
.w-10 { width: 2.5rem; }
.w-16 { width: 4rem; }
.h-10 { height: 2.5rem; }
.h-16 { height: 4rem; }
.h-\[420px\] { height: 420px; }
.min-h-screen { min-height: 100vh; }

/* --- Max Width --- */
.max-w-sm { max-width: 24rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }

/* --- Margin --- */
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-12 { margin-bottom: 3rem; }

/* --- Padding --- */
.p-5 { padding: 1.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }
.pt-3 { padding-top: 0.75rem; }
.pt-8 { padding-top: 2rem; }
.pb-20 { padding-bottom: 5rem; }

/* --- Text Size --- */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-center { text-align: center; }

/* --- Font Weight --- */
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

/* --- Line Height --- */
.leading-relaxed { line-height: 1.625; }
.leading-tight { line-height: 1.25; }

/* --- Colors --- */
.text-gray-500 { color: rgb(107, 114, 128); }
.text-white { color: #ffffff; }

/* --- Space Between --- */
.space-y-2 > * + * { margin-top: 0.5rem; }

/* --- Border --- */
.border { border-width: 1px; border-style: solid; }
.border-t { border-top-width: 1px; border-top-style: solid; }
.border-2 { border-width: 2px; border-style: solid; }
.border-dashed { border-style: dashed; }
.border-yellow-200 { border-color: #fef08a; }

/* --- Border Radius --- */
.rounded-full { border-radius: 9999px; }
.rounded-lg { border-radius: 0.5rem; }

/* --- Position --- */
.relative { position: relative; }
.absolute { position: absolute; }
.sticky { position: sticky; }
.fixed { position: fixed; }

/* --- Inset/Position Values --- */
.inset-0 { inset: 0; }
.top-0 { top: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.bottom-8 { bottom: 2rem; }
.left-1\/2 { left: 50%; }

/* --- Transform --- */
.-translate-x-1\/2 { transform: translateX(-50%); }

/* --- Overflow --- */
.overflow-hidden { overflow: hidden; }

/* --- Opacity --- */
.opacity-60 { opacity: 0.6; }
.opacity-80 { opacity: 0.8; }

/* --- Transition --- */
.transition {
  transition-property: color, background-color, border-color, opacity, box-shadow, transform;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}
.transition-all {
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}
.transition-colors {
  transition-property: color, background-color, border-color;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

/* --- Hover --- */
.hover\:opacity-80:hover { opacity: 0.8; }
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:scale-110:hover { transform: scale(1.1); }
.hover\:text-red-700:hover { color: rgb(185, 28, 28); }

/* --- Object Fit / Aspect Ratio --- */
.object-cover { object-fit: cover; }
.aspect-square { aspect-ratio: 1 / 1; }
.aspect-\[3\/4\] { aspect-ratio: 3 / 4; }
.aspect-\[4\/3\] { aspect-ratio: 4 / 3; }

/* --- Z-Index --- */
.z-10 { z-index: 10; }

/* --- Pointer Events --- */
.pointer-events-none { pointer-events: none; }

/* --- Responsive (md = 768px) --- */
@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:block { display: block; }
  .md\:hidden { display: none; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:gap-5 { gap: 1.25rem; }
  .md\:h-\[520px\] { height: 520px; }
}