:root {
  --ink: #10211c;
  --forest: #003c32;
  --forest-2: #07594c;
  --mint: #a9eb00;
  --mint-soft: #eef8f6;
  --cream: #eef8f6;
  --paper: #ffffff;
  --white: #ffffff;
  --orange: #a9eb00;
  --line: #dbe6e2;
  --muted: #66766f;
  --v4-teal: #0aa89a;
  --v4-deep: #002820;
  --v4-lime: #a9eb00;
  --v4-mint: #eef8f6;
  --v4-rule: #dbe6e2;
  --v4-sans: "Noto Sans Thai", sans-serif;
  --v4-display: "IBM Plex Sans Thai", sans-serif;
  --v4-ui: "DM Sans", "Noto Sans Thai", sans-serif;
}

body { color: var(--ink); background: #fff; }
body::before { display: none; }
:focus-visible { outline: 3px solid var(--v4-lime); outline-offset: 4px; }
.container { width: min(calc(100% - 64px), 1240px); }

/* Store header */
.store-header { top: 0; border-bottom: 1px solid var(--v4-rule); background: rgba(255,255,255,.96); box-shadow: none; }
.store-header.is-scrolled { border-color: var(--v4-rule); box-shadow: 0 8px 26px rgba(0,40,32,.06); }
.store-header-inner { display: flex; min-height: 82px; align-items: center; justify-content: space-between; }
.store-brand { color: var(--v4-deep); font: 700 1.45rem/1 var(--v4-ui); letter-spacing: -.035em; }
.store-nav { display: flex; align-items: center; gap: 38px; }
.store-nav > a:not(.store-header-buy) { position: relative; color: var(--ink); font-size: .9rem; font-weight: 600; }
.store-nav > a:not(.store-header-buy)::after { content: ""; position: absolute; right: 0; bottom: -12px; left: 0; height: 2px; background: var(--v4-teal); transform: scaleX(0); transition: transform .2s ease; }
.store-nav > a:not(.store-header-buy):hover::after { transform: scaleX(1); }
.store-header-buy { display: inline-flex; min-height: 46px; align-items: center; gap: 9px; padding: 10px 18px; border-radius: 10px; color: var(--v4-deep); background: var(--v4-lime); font-weight: 700; }
.store-header-buy svg, .store-buy-button svg, .store-contact-button svg, .store-details a svg, .how-store a svg, .verify-store a svg, .journal-store a svg, .faq-store a svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.store-nav-toggle > span:not(.sr-only) { background: var(--forest); }

/* Product-detail hero */
.store-hero { background: linear-gradient(90deg, #f5fbfa 0%, var(--v4-mint) 52%, #f7fcfb 100%); }
.store-hero-grid { display: grid; min-height: 640px; grid-template-columns: 1.08fr .92fr; gap: 65px; align-items: center; padding-top: 54px; padding-bottom: 54px; }
.store-hero-media { position: relative; margin: 0; overflow: hidden; }
.store-hero-media picture { display: block; height: 100%; }
.store-hero-media img { width: 100%; aspect-ratio: 1.22; object-fit: cover; transform: translateY(var(--store-depth, 0px)) scale(1.015); transition: opacity .22s ease, transform .18s linear; }
.store-product-panel h1 { max-width: 580px; margin-bottom: 18px; color: var(--v4-deep); font: 700 clamp(3.15rem, 4.5vw, 4.8rem)/1.08 var(--v4-display); letter-spacing: -.045em; }
.store-hero-copy { max-width: 570px; margin-bottom: 24px; color: var(--ink); font-size: 1.06rem; line-height: 1.65; }
.size-selector { padding: 0; margin: 0 0 25px; border: 0; }
.size-selector legend { margin-bottom: 9px; color: var(--ink); font-weight: 650; }
.size-selector > div { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.size-selector button { display: flex; min-height: 58px; align-items: center; justify-content: center; gap: 10px; border: 1px solid #cbdad5; border-radius: 9px; color: var(--ink); background: rgba(255,255,255,.7); cursor: pointer; font-size: 1rem; transition: .2s ease; }
.size-selector button svg { display: none; width: 23px; height: 23px; padding: 3px; border-radius: 50%; fill: none; stroke: #fff; stroke-width: 2.5; background: var(--v4-teal); }
.size-selector button:hover { border-color: var(--v4-teal); background: #fff; }
.size-selector button.is-selected { border-color: var(--v4-teal); background: #fff; box-shadow: inset 0 0 0 1px var(--v4-teal); }
.size-selector button.is-selected svg { display: block; }
.store-price { display: grid; margin-bottom: 18px; }
.store-price strong { color: var(--v4-deep); font: 700 clamp(3rem, 4.5vw, 4.4rem)/1 var(--v4-ui); letter-spacing: -.055em; }
.store-price span { margin-top: 5px; color: var(--muted); font-size: .9rem; }
.store-buy-button, .store-contact-button { display: grid; grid-template-columns: 24px 1fr 24px; align-items: center; gap: 14px; min-height: 58px; padding: 12px 18px; border: 1px solid transparent; border-radius: 9px; font-weight: 700; transition: .2s ease; }
.store-buy-button { color: var(--v4-deep); background: var(--v4-lime); }
.store-buy-button:hover { background: #b6f31e; transform: translateY(-1px); }
.store-contact-button { margin-top: 10px; color: var(--forest); border-color: #90a9a1; background: rgba(255,255,255,.65); }
.store-contact-button:hover { border-color: var(--forest); background: #fff; }
.store-buy-button svg:last-child, .store-contact-button svg:last-child, .store-details a svg, .how-store a svg, .verify-store a svg, .journal-store-head a svg { transition: transform .2s ease; }
.store-buy-button:hover svg:last-child, .store-contact-button:hover svg:last-child, .store-details a:hover svg, .how-store a:hover svg, .verify-store a:hover svg, .journal-store-head a:hover svg { transform: translateX(4px); }
.store-legal-list { display: grid; gap: 7px; padding: 0; margin: 16px 0 0; list-style: none; }
.store-legal-list li { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: .78rem; }
.store-legal-list svg { width: 20px; height: 20px; fill: none; stroke: var(--forest-2); stroke-width: 1.7; }
.store-support-row { border-top: 1px solid rgba(0,60,50,.08); background: #fff; }
.store-support-row > div { display: grid; grid-template-columns: repeat(3, 1fr); }
.store-support-row article { display: grid; grid-template-columns: 52px 1fr; gap: 16px; align-items: center; min-height: 128px; padding: 22px 28px; }
.store-support-row article + article { border-left: 1px solid var(--v4-rule); }
.store-support-row svg { width: 46px; height: 46px; padding: 11px; border-radius: 50%; fill: none; stroke: var(--forest); stroke-width: 1.5; background: var(--v4-mint); }
.store-support-row strong, .store-support-row span { display: block; }
.store-support-row strong { margin-bottom: 3px; font-size: .9rem; }
.store-support-row span { color: var(--muted); font-size: .75rem; line-height: 1.45; }

/* Product facts + formula */
.store-details { padding: 120px 0 0; background: #fff; }
.store-details-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 90px; align-items: center; padding-bottom: 90px; }
.store-details-media { overflow: hidden; }
.store-details-media img { width: 100%; aspect-ratio: 1.22; object-fit: cover; transition: opacity .22s ease; }
.store-facts h2, .formula-store h2, .verify-store h2, .journal-store h2, .faq-store h2 { color: var(--v4-deep); font: 700 clamp(2.2rem, 3.5vw, 3.6rem)/1.15 var(--v4-display); letter-spacing: -.035em; }
.store-facts dl { margin: 28px 0; border-top: 1px solid var(--v4-rule); }
.store-facts dl div { display: grid; grid-template-columns: 190px 1fr; min-height: 65px; align-items: center; border-bottom: 1px solid var(--v4-rule); }
.store-facts dt { color: var(--muted); }
.store-facts dd { margin: 0; color: var(--ink); font-weight: 600; }
.store-facts .store-buy-button { max-width: 100%; }
.formula-store { display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; padding-top: 70px; padding-bottom: 100px; border-top: 1px solid var(--v4-rule); }
.formula-store-list h2 { margin-bottom: 25px; font-size: clamp(2rem, 3vw, 3rem); }
.formula-store-list details { border-bottom: 1px solid var(--v4-rule); }
.formula-store-list summary { display: grid; grid-template-columns: 1fr 24px; align-items: center; min-height: 56px; cursor: pointer; list-style: none; }
.formula-store-list summary::-webkit-details-marker { display: none; }
.formula-store-list summary svg { width: 20px; height: 20px; fill: none; stroke: var(--forest); stroke-width: 1.6; transition: transform .2s ease; }
.formula-store-list details[open] summary svg { transform: rotate(90deg); }
.formula-store-list details p { padding: 0 35px 17px 0; margin: 0; color: var(--muted); font-size: .82rem; }
.formula-store aside { align-self: center; display: grid; grid-template-columns: 70px 1fr; gap: 18px; align-items: center; padding: 32px; border-radius: 12px; background: var(--v4-mint); }
.formula-store aside svg { width: 64px; height: 64px; padding: 14px; border-radius: 50%; fill: none; stroke: var(--forest); stroke-width: 1.5; background: #fff; }
.formula-store aside p { margin: 0; color: var(--ink); font-size: 1rem; line-height: 1.55; }
.how-store { padding: 65px 0; background: var(--v4-mint); }
.how-store h2 { margin-bottom: 30px; color: var(--v4-deep); font: 700 clamp(2rem, 3.2vw, 3.2rem)/1.2 var(--v4-display); }
.how-store ol { display: grid; grid-template-columns: repeat(3, 1fr); padding: 0; margin: 0 0 28px; list-style: none; }
.how-store li { display: grid; grid-template-columns: 48px 55px 1fr; gap: 13px; align-items: center; min-height: 90px; padding-right: 25px; }
.how-store li + li { padding-left: 25px; border-left: 1px solid #c9dcd6; }
.how-store li > span { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; color: var(--forest); background: #fff; font: 700 .9rem/1 var(--v4-ui); }
.how-store li svg { width: 48px; height: 48px; fill: none; stroke: var(--forest); stroke-width: 1.4; }
.how-store li strong { font-size: .88rem; }
.how-store a, .verify-store-grid > div > a, .journal-store-head a { display: inline-flex; align-items: center; gap: 10px; color: var(--v4-teal); font-weight: 650; }

/* Verification + support */
.verify-store { padding: 110px 0 0; background: #fff; }
.verify-store-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 85px; align-items: center; padding-bottom: 75px; }
.verify-store figure { margin: 0; padding: 16px; border: 1px solid var(--v4-rule); border-radius: 12px; background: #fff; }
.verify-store figure img { width: 100%; max-height: 540px; object-fit: cover; object-position: top; border-radius: 7px; }
.verify-store-grid > div > p { color: var(--ink); font-size: 1.05rem; }
.verify-store dl { margin: 28px 0; border: 1px solid var(--v4-rule); border-radius: 12px; overflow: hidden; }
.verify-store dl div { display: grid; grid-template-columns: 190px 1fr; min-height: 75px; align-items: center; padding: 0 25px; }
.verify-store dl div + div { border-top: 1px solid var(--v4-rule); }
.verify-store dt { color: var(--muted); }
.verify-store dd { margin: 0; font-weight: 600; }
.support-store { display: grid; grid-template-columns: 1.1fr repeat(3, 1fr); align-items: center; gap: 0; padding: 30px 34px; border-radius: 14px; color: #fff; background: var(--v4-deep); }
.support-store h2 { margin: 0; color: #fff; font-size: clamp(1.6rem, 2.4vw, 2.5rem); }
.support-store a { display: grid; gap: 3px; padding: 8px 25px; border-left: 1px solid rgba(255,255,255,.28); color: #fff; }
.support-store a span { color: rgba(255,255,255,.62); font-size: .65rem; text-transform: uppercase; }
.support-store a strong { font-size: .85rem; overflow-wrap: anywhere; }

/* Journal */
.journal-store { padding: 110px 0; background: #fff; }
.journal-store-head { display: flex; align-items: end; justify-content: space-between; gap: 35px; margin-bottom: 38px; }
.journal-store-head h2 { margin: 0; }
.journal-store-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.journal-store-grid article { overflow: hidden; border: 1px solid var(--v4-rule); border-radius: 12px; background: #fff; }
.journal-store-grid article > a { display: block; overflow: hidden; }
.journal-store-grid img { width: 100%; aspect-ratio: 1.5; object-fit: cover; transition: transform .5s ease; }
.journal-store-grid article:hover img { transform: scale(1.03); }
.journal-store-grid article > div { position: relative; min-height: 130px; padding: 18px 50px 20px 20px; }
.journal-store-grid span { display: inline-block; margin-bottom: 9px; padding: 4px 9px; border-radius: 5px; color: var(--forest); background: var(--v4-mint); font-size: .66rem; }
.journal-store-grid h3 { margin: 0; font-size: 1.16rem; line-height: 1.4; }
.journal-store-grid article > div > a:last-child { position: absolute; right: 17px; bottom: 20px; display: grid; width: 28px; height: 28px; place-items: center; color: var(--v4-teal); }

/* FAQ + help */
.faq-store { padding: 90px 0 110px; border-top: 1px solid var(--v4-rule); background: #fff; }
.faq-store-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 65px; align-items: start; }
.faq-store-list h2 { margin-bottom: 28px; }
.faq-store-list details { border-bottom: 1px solid var(--v4-rule); }
.faq-store-list summary { display: grid; grid-template-columns: 1fr 24px; align-items: center; min-height: 64px; cursor: pointer; list-style: none; }
.faq-store-list summary::-webkit-details-marker { display: none; }
.faq-store-list summary svg { width: 21px; height: 21px; fill: none; stroke: var(--v4-teal); stroke-width: 1.7; transition: transform .2s ease; }
.faq-store-list details[open] summary svg { transform: rotate(90deg); }
.faq-store-list details p { max-width: 660px; padding: 0 40px 21px 0; margin: 0; color: var(--muted); }
.faq-store aside { padding: 30px; border-radius: 12px; background: var(--v4-mint); }
.faq-store aside h3 { margin-bottom: 8px; font-size: 1.35rem; }
.faq-store aside p { font-size: .87rem; }
.faq-store aside a { display: flex; min-height: 52px; align-items: center; justify-content: space-between; gap: 12px; margin-top: 10px; padding: 10px 14px; border: 1px solid #cadbd6; border-radius: 8px; color: var(--forest); background: #fff; font-size: .85rem; font-weight: 600; }

/* Final selected-size CTA */
.final-store-cta { padding: 42px 0; background: #fff; }
.final-store-cta > div { display: grid; grid-template-columns: .6fr 1.3fr .9fr; gap: 38px; align-items: center; padding: 35px 40px; border-radius: 14px; color: #fff; background: var(--v4-deep); }
.final-store-product { overflow: hidden; }
.final-store-product img { width: 100%; max-height: 210px; object-fit: cover; transition: opacity .22s ease; }
.final-store-cta h2 { margin-bottom: 8px; color: #fff; font: 700 clamp(2rem, 3.2vw, 3.3rem)/1.18 var(--v4-display); }
.final-store-cta p { color: rgba(255,255,255,.7); }
.final-size { display: flex; gap: 14px; align-items: baseline; }
.final-size span { color: rgba(255,255,255,.72); }
.final-size strong { color: #fff; font: 700 2rem/1 var(--v4-ui); }
.final-store-cta .store-contact-light { color: #fff; border-color: rgba(255,255,255,.7); background: transparent; }

/* Store footer */
.store-footer { padding: 75px 0 25px; border-top: 1px solid var(--v4-rule); color: var(--ink); background: #fff; }
.store-footer-grid { display: grid; grid-template-columns: 1.5fr .7fr .8fr .9fr; gap: 50px; padding-bottom: 55px; }
.store-footer-grid section { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.store-footer-grid h2 { margin: 0 0 8px; color: var(--ink); font: 700 .72rem/1 var(--v4-ui); letter-spacing: .08em; text-transform: uppercase; }
.store-footer-grid a, .store-footer-grid p { color: var(--muted); font-size: .8rem; }
.store-footer-grid a:hover { color: var(--forest); }
.store-footer-brand > a { margin-bottom: 15px; color: var(--v4-deep); font: 700 1.55rem/1 var(--v4-ui); letter-spacing: -.03em; }
.store-footer-brand p { max-width: 420px; margin-bottom: 4px; }
.store-footer-bottom { display: flex; justify-content: space-between; padding-top: 22px; border-top: 1px solid var(--v4-rule); color: var(--muted); font-size: .7rem; }

@media (max-width: 1040px) {
  .store-hero-grid { grid-template-columns: 1fr 1fr; gap: 35px; }
  .store-product-panel h1 { font-size: clamp(2.7rem, 5vw, 4rem); }
  .store-support-row article { grid-template-columns: 42px 1fr; padding: 18px; }
  .store-support-row svg { width: 40px; height: 40px; padding: 9px; }
  .store-details-grid, .verify-store-grid { gap: 55px; }
  .support-store { grid-template-columns: 1fr repeat(3, 1fr); padding-inline: 24px; }
  .final-store-cta > div { grid-template-columns: .5fr 1.15fr 1fr; gap: 25px; }
}

@media (max-width: 780px) {
  .container { width: min(calc(100% - 28px), 1240px); }
  .store-header-inner { min-height: 70px; }
  .store-brand { font-size: 1.15rem; }
  .store-nav-toggle { display: block; }
  .store-nav { position: fixed; top: 70px; right: 14px; left: 14px; display: none; padding: 16px; border: 1px solid var(--v4-rule); border-radius: 11px; background: #fff; box-shadow: 0 16px 38px rgba(0,40,32,.12); }
  .store-nav.is-open { display: grid; gap: 0; }
  .store-nav > a { padding: 14px 8px; border-bottom: 1px solid var(--v4-rule); }
  .store-header-buy { justify-content: center; margin-top: 10px; border-bottom: 0 !important; }
  .store-hero-grid { min-height: 500px; grid-template-columns: 47% 53%; gap: 6px; padding-top: 35px; padding-bottom: 30px; }
  .store-hero-media { align-self: stretch; }
  .store-hero-media img { width: 100%; height: 100%; max-height: 435px; aspect-ratio: auto; object-fit: cover; object-position: 40% 50%; transform: none; }
  .store-product-panel { position: relative; z-index: 2; }
  .store-product-panel h1 { margin-bottom: 10px; font-size: clamp(2.1rem, 9vw, 2.75rem); line-height: 1.12; }
  .store-hero-copy { margin-bottom: 14px; font-size: .78rem; line-height: 1.55; }
  .size-selector { margin-bottom: 13px; }
  .size-selector legend { margin-bottom: 6px; font-size: .75rem; }
  .size-selector > div { gap: 5px; }
  .size-selector button { min-height: 42px; gap: 4px; padding: 7px 5px; font-size: .75rem; }
  .size-selector button svg { width: 18px; height: 18px; }
  .store-price { margin-bottom: 11px; }
  .store-price strong { font-size: clamp(2.25rem, 10vw, 3rem); }
  .store-price span { font-size: .68rem; }
  .store-buy-button, .store-contact-button { min-height: 47px; grid-template-columns: 20px 1fr 20px; gap: 7px; padding: 9px 10px; font-size: .72rem; }
  .store-contact-button { display: none; }
  .store-legal-list { margin-top: 10px; }
  .store-legal-list li { font-size: .62rem; }
  .store-legal-list li:nth-child(2) { display: none; }
  .store-support-row > div { grid-template-columns: 1fr; }
  .store-support-row article { min-height: 82px; border-left: 0 !important; border-bottom: 1px solid var(--v4-rule); }
  .store-support-row article:nth-child(n+2) { display: none; }
  .store-details { padding-top: 52px; }
  .store-details-media { display: none; }
  .store-details-grid, .verify-store-grid, .formula-store, .faq-store-grid { grid-template-columns: 1fr; gap: 38px; }
  .store-details-grid { padding-bottom: 65px; }
  .store-details-media img { aspect-ratio: 1.3; }
  .store-facts h2, .formula-store h2, .verify-store h2, .journal-store h2, .faq-store h2 { font-size: clamp(2rem, 9vw, 2.8rem); }
  .store-facts dl div { grid-template-columns: 135px 1fr; }
  .formula-store { padding-top: 55px; padding-bottom: 75px; }
  .formula-store aside { grid-template-columns: 55px 1fr; padding: 22px; }
  .formula-store aside svg { width: 52px; height: 52px; }
  .how-store { padding: 52px 0; }
  .how-store ol { grid-template-columns: 1fr; }
  .how-store li, .how-store li + li { min-height: 76px; padding: 13px 0; border-left: 0; border-bottom: 1px solid #c9dcd6; }
  .verify-store { padding-top: 80px; }
  .verify-store figure { max-width: 430px; margin-inline: auto; }
  .verify-store dl div { grid-template-columns: 125px 1fr; min-height: 65px; padding: 0 15px; }
  .support-store { grid-template-columns: 1fr; gap: 0; }
  .support-store h2 { padding-bottom: 14px; }
  .support-store a { padding: 11px 0; border-top: 1px solid rgba(255,255,255,.25); border-left: 0; }
  .journal-store { padding: 80px 0; overflow: visible; }
  .journal-store-head { display: grid; gap: 16px; }
  .journal-store-grid { display: flex; width: auto; gap: 14px; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x proximity; scrollbar-width: thin; -webkit-overflow-scrolling: touch; }
  .journal-store-grid article { flex: 0 0 min(78vw, 310px); scroll-snap-align: start; }
  .faq-store { padding: 70px 0 80px; }
  .faq-store aside { order: -1; }
  .final-store-cta > div { grid-template-columns: 1fr; gap: 22px; padding: 27px; }
  .final-store-product { display: none; }
  .final-store-cta .store-contact-button { display: grid; }
  .store-footer { padding-top: 60px; }
  .store-footer-grid { grid-template-columns: repeat(2, 1fr); gap: 35px 20px; }
  .store-footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 430px) {
  .store-hero-grid { grid-template-columns: 45% 55%; min-height: 490px; }
  .store-product-panel h1 { font-size: clamp(1.95rem, 8.6vw, 2.4rem); }
  .store-hero-copy { font-size: .72rem; }
  .store-buy-button { font-size: .68rem; }
  .store-support-row article { padding-inline: 14px; }
  .store-footer-grid { grid-template-columns: 1fr; }
  .store-footer-brand { grid-column: auto; }
  .store-footer-bottom { display: grid; gap: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  .store-hero-media img { transform: none !important; }
  * { scroll-behavior: auto !important; }
}