:root{
    --bg:#ffffff;
    --bg-soft:#f6f6f8;
    --ink:#0a0a0a;
    --ink-soft:#6e6e73;
    --ink-faint:#a3a3a8;
    --orange:#ff6b00;
    --orange-deep:#e05e00;
    --orange-soft:#fff1e6;
    --orange-ring:rgba(255,107,0,.16);
    --line:#ececee;
    --radius-lg:28px;
    --radius-md:20px;
    --radius-sm:14px;
    --shadow-soft:0 10px 34px rgba(10,10,10,.07);
    --shadow-card:0 3px 14px rgba(10,10,10,.05);
    --font-display:'Space Grotesk',ui-sans-serif,sans-serif;
    --font-body:'Inter',ui-sans-serif,sans-serif;
    --font-mono:'Space Mono',ui-monospace,monospace;
    --safe-bottom:env(safe-area-inset-bottom,0px);
  }

  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:var(--font-body);
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
    padding-bottom:86px;
  }
  img,svg{display:block;max-width:100%;}
  button{font-family:inherit;cursor:pointer;border:none;background:none;}
  input,select,textarea{font-family:inherit;font-size:16px;}
  a{color:inherit;text-decoration:none;}
  .container{max-width:520px;margin:0 auto;padding:0 20px;}
  @media(min-width:860px){ .container{max-width:960px;} }

  section{position:relative;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:6px;
    font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
    color:var(--orange-deep);background:var(--orange-soft);
    padding:6px 12px;border-radius:100px;font-weight:700;
  }
  .h2{
    font-family:var(--font-display);font-weight:600;
    font-size:clamp(22px,5vw,30px);letter-spacing:-.01em;line-height:1.15;
    margin-top:12px;
  }
  .sub{color:var(--ink-soft);font-size:14.5px;margin-top:6px;line-height:1.5;}

  /* ===== reveal on scroll ===== */
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
  .reveal.in{opacity:1;transform:translateY(0);}
  @media(prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none;}
    html{scroll-behavior:auto;}
  }

  /* ===== top strip ===== */
  .topbar{
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 20px 8px;max-width:520px;margin:0 auto;
  }
  @media(min-width:860px){ .topbar{max-width:960px;} }
  .brand{
    display:flex;align-items:center;gap:8px;
    font-family:var(--font-display);font-weight:700;font-size:17px;letter-spacing:-.02em;
  }
  .brand .dot{
    width:20px;height:20px;border-radius:50%;
    border:3px solid var(--orange);position:relative;flex:none;
  }
  .brand .dot::after{
    content:"";position:absolute;inset:5px;border-radius:50%;background:var(--orange);
  }
  .rating-chip{
    display:flex;align-items:center;gap:5px;
    font-size:12.5px;font-weight:600;color:var(--ink-soft);
  }
  .rating-chip .stars{color:var(--orange);letter-spacing:1px;font-size:13px;}

  /* ===== hero ===== */
  .hero{padding-top:6px;overflow:hidden;}
  .hero-art-wrap{
    position:relative;margin:6px auto 0;width:min(78vw,340px);aspect-ratio:1/1;
  }
  .ring-glow{
    position:absolute;inset:-14%;border-radius:50%;
    background:radial-gradient(circle,var(--orange-ring) 0%,rgba(255,107,0,0) 70%);
    animation:pulse 3.2s ease-in-out infinite;
  }
  @keyframes pulse{
    0%,100%{transform:scale(1);opacity:.9;}
    50%{transform:scale(1.08);opacity:1;}
  }
  .hero-card{
    position:relative;width:100%;height:100%;
    background:linear-gradient(180deg,#fbfbfc 0%,#f3f3f5 100%);
    border-radius:32px;box-shadow:var(--shadow-soft);
    display:flex;align-items:center;justify-content:center;
    animation:float 4.5s ease-in-out infinite;
  }
  @keyframes float{
    0%,100%{transform:translateY(0);}
    50%{transform:translateY(-8px);}
  }
  .hero-card svg{width:74%;height:74%;}

  .hero-copy{text-align:center;margin-top:22px;}
  .product-name{
    font-family:var(--font-display);font-weight:600;
    font-size:clamp(24px,6.4vw,32px);letter-spacing:-.02em;line-height:1.12;
  }
  .product-name .accent{color:var(--orange);}
  .rating-row{
    display:flex;align-items:center;justify-content:center;gap:8px;
    margin-top:10px;font-size:13px;color:var(--ink-soft);
  }
  .rating-row .stars{color:var(--orange);font-size:15px;letter-spacing:1px;}
  .price-row{
    display:flex;align-items:baseline;justify-content:center;gap:10px;
    margin-top:14px;
  }
  .price-now{font-family:var(--font-mono);font-weight:700;font-size:30px;color:var(--ink);}
  .price-old{font-family:var(--font-mono);font-size:16px;color:var(--ink-faint);text-decoration:line-through;}
  .price-save{
    font-size:11.5px;font-weight:700;color:var(--orange-deep);
    background:var(--orange-soft);padding:3px 8px;border-radius:8px;
  }

  .badge-row{
    display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px;
  }
  .badge{
    display:flex;align-items:center;gap:5px;
    font-size:11.5px;font-weight:600;color:var(--ink-soft);
    background:var(--bg-soft);border:1px solid var(--line);
    padding:7px 10px;border-radius:100px;
  }

  .cta-row{display:flex;gap:10px;margin-top:22px;}
  .btn{
    flex:1;display:flex;align-items:center;justify-content:center;gap:8px;
    padding:15px 18px;border-radius:16px;font-weight:700;font-size:15px;
    transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease;
  }
  .btn:active{transform:scale(.97);}
  .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 24px rgba(255,107,0,.32);}
  .btn-primary:hover{box-shadow:0 12px 28px rgba(255,107,0,.4);}
  .btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line);}
  .btn-ghost:hover{border-color:var(--ink-faint);}
  .btn svg{width:17px;height:17px;flex:none;}

  /* ===== benefits ===== */
  .benefits{padding:52px 0 8px;}
  .benefit-grid{
    display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:22px;
  }
  .benefit-grid .card:first-child{grid-column:1/-1;}
  @media(min-width:860px){
    .benefit-grid{grid-template-columns:repeat(5,1fr);}
    .benefit-grid .card:first-child{grid-column:auto;}
  }
  .b-card{
    background:var(--bg-soft);border-radius:var(--radius-md);
    padding:18px 14px;text-align:center;
    transition:transform .2s ease,background .2s ease;
  }
  .b-card:hover{transform:translateY(-3px);background:var(--orange-soft);}
  .b-card .emoji{font-size:26px;line-height:1;margin-bottom:10px;}
  .b-card .label{font-size:13px;font-weight:700;letter-spacing:-.01em;}

  /* ===== gallery ===== */
  .gallery{padding:52px 0 8px;}
  .gallery-scroll{
    display:flex;
    gap:16px;
    overflow-x:auto;
    overflow-y:hidden;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
    padding-bottom:10px;
    scroll-behavior:smooth;
    scrollbar-width:none;
  }
  .gallery-scroll::-webkit-scrollbar{display:none;}
  .gallery-item{
    flex:0 0 85%;
    scroll-snap-align:center;
    border-radius:20px;
    overflow:hidden;
  }
  .gallery-item img{
    width:100%;
    height:100%;
    display:block;
    object-fit:cover;
}
  @media(min-width:860px){ .gallery-item{flex:0 0 30%;} }
  .gallery-item svg{width:80%;height:80%;}
  .gallery-item .zoom-hint{
    position:absolute;bottom:12px;right:12px;
    width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.85);
    display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-card);
  }
  .gallery-item .zoom-hint svg{width:15px;height:15px;}
  .gallery-caption{text-align:center;font-size:12px;color:var(--ink-soft);margin-top:12px;}

  .lightbox{
    position:fixed;inset:0;background:rgba(10,10,10,.92);
    display:none;align-items:center;justify-content:center;z-index:200;
    padding:40px 24px;
  }
  .lightbox.open{display:flex;}
  .lightbox-inner{width:min(86vw,420px);aspect-ratio:1/1;background:#fff;border-radius:24px;padding:34px;}
  .lightbox-inner svg{width:100%;height:100%;}
  .lightbox-close{
    position:absolute;top:22px;right:22px;width:40px;height:40px;border-radius:50%;
    background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:#fff;
  }

  /* ===== trust ===== */
  .trust{padding:52px 0 8px;}
  .trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px;}
  .t-card{
    border:1px solid var(--line);border-radius:var(--radius-md);
    padding:18px 14px;
  }
  .t-card .emoji{font-size:22px;margin-bottom:8px;}
  .t-card .label{font-size:13px;font-weight:700;line-height:1.3;}

  /* ===== delivery ===== */
  .delivery{padding:52px 0 8px;}
  .delivery-table{
    margin-top:20px;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;
  }
  .d-row{
    display:flex;justify-content:space-between;align-items:center;
    padding:14px 16px;font-size:13.5px;
  }
  .d-row+.d-row{border-top:1px solid var(--line);}
  .d-row .k{color:var(--ink-soft);}
  .d-row .v{font-weight:700;font-family:var(--font-mono);font-size:13px;}

  .notice-box{
    margin-top:16px;background:var(--orange-soft);border-radius:var(--radius-md);
    padding:18px;border:1px solid #ffd9b8;
  }
  .notice-box p{font-size:13.5px;line-height:1.75;color:#5c3113;}
  .notice-box p+p{margin-top:10px;}
  .notice-box .msgr-btn{margin-top:14px;width:100%;}

  /* ===== faq ===== */
  .faq{padding:52px 0 8px;}
  .faq-list{margin-top:20px;border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;
    padding:17px 2px;text-align:left;font-weight:600;font-size:14.5px;
  }
  .faq-q .plus{
    flex:none;width:22px;height:22px;position:relative;transition:transform .25s ease;
  }
  .faq-q .plus::before,.faq-q .plus::after{
    content:"";position:absolute;background:var(--orange);border-radius:2px;
  }
  .faq-q .plus::before{width:14px;height:2.5px;top:50%;left:50%;transform:translate(-50%,-50%);}
  .faq-q .plus::after{width:2.5px;height:14px;top:50%;left:50%;transform:translate(-50%,-50%);transition:opacity .2s ease;}
  .faq-item.open .plus::after{opacity:0;}
  .faq-item.open .plus{transform:rotate(180deg);}
  .faq-a{
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .faq-a p{font-size:13.5px;color:var(--ink-soft);line-height:1.6;padding-bottom:16px;}

  /* ===== order form ===== */
  .order{padding:52px 0 60px;}
  .order-summary{
    display:flex;align-items:center;justify-content:space-between;
    margin-top:20px;background:var(--bg-soft);border-radius:var(--radius-md);
    padding:14px 16px;
  }
  .order-summary .osl{font-size:13px;color:var(--ink-soft);}
  .order-summary .osp{font-family:var(--font-mono);font-weight:700;font-size:19px;}

  .form{margin-top:18px;display:flex;flex-direction:column;gap:14px;}
  .field label{
    display:block;font-size:12.5px;font-weight:700;margin-bottom:6px;color:var(--ink);
  }
  .field label .req{color:var(--orange);}
  .field label .opt{color:var(--ink-faint);font-weight:500;}
  .field input,.field select,.field textarea{
    width:100%;padding:14px 15px;border-radius:14px;border:1.5px solid var(--line);
    background:#fff;transition:border-color .15s ease,box-shadow .15s ease;
  }
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--orange);box-shadow:0 0 0 4px var(--orange-soft);
  }
  .field textarea{resize:vertical;min-height:80px;}
  .field.error input,.field.error select,.field.error textarea{border-color:#e0392f;}
  .err-msg{display:none;font-size:11.5px;color:#e0392f;margin-top:5px;font-weight:600;}
  .field.error .err-msg{display:block;}
  .two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px;}

  .qty-stepper{
    display:flex;align-items:center;justify-content:space-between;
    border:1.5px solid var(--line);border-radius:14px;padding:6px;
  }
  .qty-btn{
    width:40px;height:40px;border-radius:10px;background:var(--bg-soft);
    display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  }
  .qty-btn:active{background:var(--orange-soft);color:var(--orange-deep);}
  .qty-val{font-family:var(--font-mono);font-weight:700;font-size:17px;}

  .submit-btn{
    width:100%;padding:17px;border-radius:16px;background:var(--orange);color:#fff;
    font-weight:700;font-size:16px;margin-top:6px;
    box-shadow:0 10px 24px rgba(255,107,0,.32);
    display:flex;align-items:center;justify-content:center;gap:8px;
  }
  .submit-btn:active{transform:scale(.98);}
  .submit-btn:disabled{opacity:.6;}
  .form-note{font-size:11.5px;color:var(--ink-faint);text-align:center;margin-top:4px;line-height:1.5;}

  .spinner{
    width:16px;height:16px;border-radius:50%;border:2.5px solid rgba(255,255,255,.4);
    border-top-color:#fff;animation:spin .7s linear infinite;display:none;
  }
  .submit-btn.loading .spinner{display:block;}
  .submit-btn.loading .btn-text{display:none;}
  @keyframes spin{to{transform:rotate(360deg);}}

  /* ===== success overlay ===== */
  .success-overlay{
    position:fixed;inset:0;background:rgba(10,10,10,.55);
    display:none;align-items:flex-end;justify-content:center;z-index:300;
  }
  .success-overlay.open{display:flex;}
  @media(min-width:640px){ .success-overlay{align-items:center;} }
  .success-card{
    width:100%;max-width:420px;background:#fff;border-radius:28px 28px 0 0;
    padding:36px 26px calc(30px + var(--safe-bottom));text-align:center;
    transform:translateY(30px);opacity:0;transition:transform .35s ease,opacity .35s ease;
  }
  @media(min-width:640px){ .success-card{border-radius:28px;} }
  .success-overlay.open .success-card{transform:translateY(0);opacity:1;}
  .success-check{
    width:72px;height:72px;border-radius:50%;background:var(--orange-soft);
    display:flex;align-items:center;justify-content:center;margin:0 auto 18px;
  }
  .success-check svg{width:34px;height:34px;color:var(--orange);}
  .success-title{font-family:var(--font-display);font-weight:600;font-size:21px;}
  .success-sub{font-size:13.5px;color:var(--ink-soft);margin-top:8px;line-height:1.6;}
  .success-close{
    margin-top:22px;width:100%;padding:15px;border-radius:14px;background:var(--ink);color:#fff;font-weight:700;font-size:14.5px;
  }

  /* ===== footer ===== */
  footer{padding:40px 0 20px;text-align:center;}
  footer p{font-size:11.5px;color:var(--ink-faint);line-height:1.7;}

  /* ===== sticky bar ===== */
  .sticky-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:100;
    background:rgba(255,255,255,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-top:1px solid var(--line);
    padding:10px 16px calc(10px + var(--safe-bottom));
    display:flex;align-items:center;gap:10px;
    transform:translateY(100%);transition:transform .3s ease;
  }
  .sticky-bar.show{transform:translateY(0);}
  .sticky-bar .sb-price{flex:none;}
  .sticky-bar .sb-price .lbl{font-size:10px;color:var(--ink-soft);display:block;}
  .sticky-bar .sb-price .amt{font-family:var(--font-mono);font-weight:700;font-size:17px;}
  .sticky-bar .sb-actions{flex:1;display:flex;gap:8px;}
  .sticky-bar .btn{padding:12px 14px;font-size:13.5px;border-radius:13px;}
  @media(min-width:860px){ .sticky-bar{display:none;} }