:root{--color-primary:#0e7c86;--color-primary-strong:#0a5f67;--color-on-primary:#fff;--color-bg:#fff;--color-surface:#f4f8f9;--color-text:#14232b;--color-muted:#52646c;--color-border:#d9e3e6;--color-link:#0a6a73;--radius:12px;--max-width:960px;--font-sans:system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Thai", "PingFang SC", "Microsoft YaHei", sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--color-bg:#0e171b;--color-surface:#16242a;--color-text:#e7eff1;--color-muted:#a3b5bb;--color-border:#28383f;--color-link:#5fcad4}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{min-width:320px;font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);overflow-wrap:anywhere;margin:0;font-size:1rem;line-height:1.65}h1,h2,h3{letter-spacing:-.01em;margin:0 0 .6em;line-height:1.25}h1{font-size:clamp(1.9rem,6vw,3rem)}h2{font-size:clamp(1.35rem,4vw,1.75rem)}h3{font-size:1.1rem}p{margin:0 0 1em}a{color:var(--color-link);text-underline-offset:3px}a:hover{color:var(--color-text)}:focus-visible{outline:3px solid var(--color-link);outline-offset:2px;border-radius:4px}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 16px}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:10;background:var(--color-primary);color:var(--color-on-primary);border-radius:8px;padding:8px 14px;transition:top .15s;position:absolute;top:-64px;left:8px}.skip-link:focus{top:8px}.site{flex-direction:column;min-height:100vh;display:flex}.site-main{flex:1}.site-main:focus{outline:none}.site-header{border-bottom:1px solid var(--color-border)}.site-header-inner{justify-content:space-between;align-items:center;gap:12px;min-height:60px;display:flex}.brand{color:var(--color-text);align-items:center;gap:10px;font-size:1.15rem;font-weight:700;text-decoration:none;display:inline-flex}.brand:hover{color:var(--color-text)}.lang-switch select{font:inherit;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);cursor:pointer;border-radius:8px;min-height:40px;padding:6px 10px}.site-footer{border-top:1px solid var(--color-border);background:var(--color-surface);padding:28px 0;font-size:.9rem}.footer-links{flex-wrap:wrap;gap:8px 24px;margin:0 0 12px;padding:0;list-style:none;display:flex}.muted{color:var(--color-muted)}.site-footer p{margin:0}.hero{background:linear-gradient(180deg, var(--color-surface), var(--color-bg));padding:clamp(48px,12vw,112px) 0 clamp(32px,8vw,64px)}.hero-inner{max-width:720px}.lead{color:var(--color-muted);font-size:1.15rem}.store-row{flex-wrap:wrap;gap:12px;margin:28px 0 14px;display:flex}.store-button{border-radius:var(--radius);background:var(--color-primary);min-width:168px;min-height:56px;color:var(--color-on-primary);flex-direction:column;justify-content:center;padding:8px 20px;line-height:1.2;text-decoration:none;transition:transform .15s,background-color .15s;display:inline-flex}.store-button:hover{color:var(--color-on-primary);background:var(--color-primary-strong);transform:translateY(-1px)}.store-button.is-disabled{background:var(--color-surface);color:var(--color-muted);border:1px dashed var(--color-border);cursor:not-allowed;transform:none}.store-button.is-disabled:hover{background:var(--color-surface);color:var(--color-muted);transform:none}.store-hint{font-size:.75rem}.store-name{font-size:1.15rem;font-weight:600}.section{padding-top:clamp(32px,7vw,56px);padding-bottom:clamp(32px,7vw,56px)}.features{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:16px;margin:24px 0 0;padding:0;list-style:none;display:grid}.feature{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg);padding:24px}.feature p{color:var(--color-muted);margin:0}.legal-links{flex-wrap:wrap;gap:8px 24px;display:flex}.page-narrow{max-width:640px;padding-top:clamp(40px,10vw,96px);padding-bottom:clamp(40px,10vw,96px)}.badge{border:1px solid var(--color-link);color:var(--color-link);border-radius:999px;padding:2px 12px;font-size:.85rem;display:inline-block}.button{border-radius:var(--radius);background:var(--color-primary);color:var(--color-on-primary);padding:10px 22px;text-decoration:none;display:inline-block}.button:hover{color:var(--color-on-primary);background:var(--color-primary-strong)}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}