@font-face{font-family:Sarabun;src:url('assets/Sarabun-Regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:Sarabun;src:url('assets/Sarabun-Medium.ttf') format('truetype');font-weight:500;font-display:swap}
@font-face{font-family:Sarabun;src:url('assets/Sarabun-SemiBold.ttf') format('truetype');font-weight:600 700;font-display:swap}
:root{--color-brand-deep:#0a2038;--color-brand-primary:#0b3653;--color-brand-secondary:#e6f0f6;--color-text-primary:#172536;--color-text-muted:#516477;--color-surface:#fff;--color-canvas:#f4f6f8;--color-border:#e4e9ee;--color-success:#287a5b;--color-warning:#b86d32;--color-danger:#b64b48;--color-focus:#c17a45;--color-accent:#e8b98a;--color-on-dark:#f5f7fa;--color-on-dark-muted:#c5d1dd;--color-primary-hover:#082b43;--color-backdrop:rgba(3,12,22,.9);--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--space-section:96px;--radius-control:8px;--radius-card:12px;--radius-modal:16px;--font-body:1rem;--font-small:.875rem;--font-caption:.75rem;--font-title:clamp(2rem,3.3vw,3.25rem);--font-section:clamp(1.75rem,2.8vw,2.5rem);--font-subtitle:1.25rem;--content-width:1280px;--header-height:80px;--layer-header:20;--layer-modal:100;--shadow-1:0 8px 24px rgba(10,32,56,.06);--shadow-2:0 4px 24px rgba(10,32,56,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + var(--space-5))}body{margin:0;font-family:Sarabun,sans-serif;font-size:var(--font-body);line-height:1.6;color:var(--color-text-primary);background:var(--color-surface)}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}img{max-width:100%;display:block}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--color-focus);outline-offset:4px}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:600;line-height:1.4}button[hidden],[hidden]{display:none!important}.container{width:min(var(--content-width),calc(100% - var(--space-8)));margin-inline:auto}.section{padding-block:var(--space-section)}.eyebrow{font-size:var(--font-caption);letter-spacing:.13em;font-weight:600;margin-bottom:var(--space-4);color:var(--color-brand-primary)}.section-heading{max-width:760px;margin-bottom:var(--space-7)}.section-heading h2{font-size:var(--font-section);margin-bottom:var(--space-4)}.section-heading>p:last-child{color:var(--color-text-muted);max-width:660px}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);min-height:48px;border-radius:var(--radius-control);font-weight:600;font-size:var(--font-small);border:1px solid transparent;transition:background .2s,border-color .2s}.primary-button{background:var(--color-brand-primary);color:var(--color-surface)}.primary-button:hover{background:var(--color-primary-hover)}.secondary-button{border-color:var(--color-border);background:var(--color-surface);color:var(--color-brand-primary)}.secondary-button:hover{background:var(--color-brand-secondary)}.on-dark{background:transparent;color:var(--color-on-dark);border-color:var(--color-on-dark-muted)}.on-dark:hover{background:var(--color-brand-primary)}.skip-link{position:fixed;top:var(--space-2);left:var(--space-4);transform:translateY(-160%);z-index:var(--layer-modal);padding:var(--space-3);background:var(--color-surface)}.skip-link:focus{transform:none}.site-header{position:sticky;top:0;z-index:var(--layer-header);background:var(--color-brand-deep);color:var(--color-on-dark);border-bottom:1px solid rgba(232,185,138,.2)}.header-inner{min-height:var(--header-height);display:flex;align-items:center;justify-content:space-between;gap:var(--space-5)}.brand{display:flex;gap:var(--space-3);align-items:center;flex-shrink:0}.brand strong{font-size:1.125rem;line-height:1.2;display:block}.brand small{display:block;color:var(--color-accent);font-size:var(--font-caption);letter-spacing:.17em}.brand-emblem{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--color-focus);border-radius:12px 4px;color:var(--color-accent);font-weight:600;background:var(--color-brand-primary)}.desktop-nav{display:flex;gap:var(--space-6);font-size:var(--font-small)}.desktop-nav a,.mobile-nav a{min-height:44px;display:flex;align-items:center}.desktop-nav a:hover{color:var(--color-accent)}.header-actions{display:flex;align-items:center;gap:var(--space-3)}.site-header .primary-button{background:var(--color-accent);color:var(--color-brand-deep)}.site-header .primary-button:hover{background:var(--color-on-dark)}.language-button,.menu-button{border:1px solid rgba(197,209,221,.35);background:transparent;color:var(--color-on-dark);border-radius:var(--radius-control);min-width:44px;min-height:44px}.menu-button{display:none}.mobile-nav{padding-block:var(--space-4)}.hero{position:relative;min-height:720px;display:flex;align-items:flex-start;background:var(--color-brand-deep);color:var(--color-on-dark);overflow:hidden}.hero-image,.hero-shade{position:absolute;inset:0;width:100%;height:100%}.hero-image{object-fit:cover;object-position:center 62%}.hero-shade{background:linear-gradient(90deg,rgba(5,19,33,.86),rgba(5,19,33,.53) 42%,rgba(5,19,33,.09) 78%),linear-gradient(0deg,rgba(5,19,33,.8),transparent 35%)}.hero-content{position:relative;padding-block:var(--space-8) 240px}.hero .eyebrow{color:var(--color-accent)}.hero h1{font-size:var(--font-title);max-width:770px}.hero h1 span{display:block}.hero-accent{color:var(--color-accent)}.hero-description{max-width:560px;color:var(--color-on-dark-muted);margin-top:var(--space-5)}.hero-actions{display:flex;flex-wrap:wrap;gap:var(--space-3);margin-top:var(--space-6)}.hero-actions .primary-button{background:var(--color-accent);color:var(--color-brand-deep)}.hero-tags{display:flex;gap:var(--space-4);flex-wrap:wrap;margin-top:var(--space-6);font-size:var(--font-small);color:var(--color-on-dark-muted)}.hero-tags span+span{border-left:1px solid var(--color-focus);padding-left:var(--space-4)}.hero-bottom{position:absolute;bottom:var(--space-5);left:0;right:0;display:flex;justify-content:space-between;gap:var(--space-4);font-size:var(--font-caption);letter-spacing:.12em;color:var(--color-on-dark-muted);border-top:1px solid rgba(197,209,221,.3);padding-top:var(--space-4)}.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-7)}.benefit-grid article{border-top:1px solid var(--color-border);padding-top:var(--space-5)}.index{color:var(--color-focus);font-size:var(--font-small);display:block;margin-bottom:var(--space-5)}.benefit-grid h3{font-size:var(--font-subtitle);margin-bottom:var(--space-3)}.benefit-grid p{color:var(--color-text-muted)}
.workflow-section{background:var(--color-canvas)}.scenario-select{border:0;padding:0;margin:0 0 var(--space-6);display:flex;flex-wrap:wrap;gap:var(--space-3)}.scenario-select legend{font-size:var(--font-small);margin-bottom:var(--space-3);color:var(--color-text-muted)}.scenario-select label{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius-control);min-height:48px;background:var(--color-surface);cursor:pointer}.scenario-select label:has(input:checked){border-color:var(--color-brand-primary);background:var(--color-brand-primary);color:var(--color-surface)}.scenario-select input{width:18px;height:18px;margin:0;accent-color:var(--color-focus)}.scenario-select input:focus-visible{outline:3px solid var(--color-focus);outline-offset:4px}.workflow-layout{display:grid;grid-template-columns:320px minmax(0,1fr);border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-surface);overflow:visible;box-shadow:var(--shadow-1)}.stage-nav{padding:var(--space-4);display:grid;gap:var(--space-2);align-content:start;border-right:1px solid var(--color-border)}.stage-button{display:flex;align-items:center;gap:var(--space-4);text-align:left;min-height:64px;width:100%;padding:var(--space-3) var(--space-4);border:1px solid transparent;border-radius:var(--radius-control);background:transparent;color:var(--color-text-muted)}.stage-button:hover{background:var(--color-canvas)}.stage-button[aria-pressed=true]{background:var(--color-brand-primary);color:var(--color-surface)}.stage-index{font-size:var(--font-small);opacity:.85}.stage-panel{padding:var(--space-7);min-height:480px;min-width:0}.stage-panel h3{font-size:1.625rem;margin-bottom:var(--space-5)}.stage-panel>p:not(.eyebrow){color:var(--color-text-muted);max-width:660px}.stage-detail{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-5);margin-top:var(--space-6);padding-top:var(--space-5);border-top:1px solid var(--color-border)}.stage-detail h4{margin:0 0 var(--space-2);font-size:var(--font-small);color:var(--color-brand-primary);font-weight:600}.stage-detail p{font-size:var(--font-small);color:var(--color-text-muted)}.stage-modules{margin-top:var(--space-6)}.stage-modules>span{font-size:var(--font-caption);color:var(--color-text-muted)}#module-links{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-top:var(--space-2)}#module-links a{display:inline-flex;align-items:center;min-height:44px;padding:var(--space-2) var(--space-3);font-size:var(--font-small);border:1px solid var(--color-border);border-radius:var(--radius-control);color:var(--color-brand-primary)}#module-links a:hover{background:var(--color-brand-secondary)}.parallel-track{display:flex;align-items:start;gap:var(--space-5);padding:var(--space-5) var(--space-6);border:1px solid var(--color-border);border-left:3px solid var(--color-focus);border-radius:var(--radius-card);background:var(--color-surface);margin-top:var(--space-5)}.parallel-track h3,.control-track h3{font-size:var(--font-body);margin-bottom:var(--space-2)}.parallel-track p,.control-track p{font-size:var(--font-small);color:var(--color-text-muted)}.track-symbol{font-size:var(--font-section);color:var(--color-brand-primary)}.control-track{display:flex;align-items:center;gap:var(--space-5);padding:var(--space-5) var(--space-6);margin-top:var(--space-4);border-radius:var(--radius-card);background:var(--color-brand-deep);color:var(--color-on-dark)}.control-track h3{flex-shrink:0;margin-bottom:0}.control-track p{color:var(--color-on-dark-muted)}.section-note{font-size:var(--font-small);color:var(--color-text-muted);margin-top:var(--space-5);max-width:940px}.static-workflow{padding-left:var(--space-5);display:grid;grid-template-columns:1fr 1fr;gap:var(--space-5)}.static-workflow li{padding:var(--space-4)}.static-workflow h3{font-size:var(--font-subtitle);margin-bottom:var(--space-3)}.static-workflow p{color:var(--color-text-muted);margin-bottom:var(--space-2)}.modes-section{background:var(--color-brand-deep);color:var(--color-on-dark)}.modes-section .eyebrow{color:var(--color-accent)}.modes-section .section-heading>p:last-child,.modes-section .section-note{color:var(--color-on-dark-muted)}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-5)}.mode-card{padding:var(--space-7);border:1px solid rgba(197,209,221,.3);border-radius:var(--radius-card)}.mode-card h3{font-size:1.5rem;margin-bottom:var(--space-4)}.mode-card>p:not(.eyebrow){color:var(--color-on-dark-muted)}.mode-flow{margin-top:var(--space-6);padding-top:var(--space-5);border-top:1px solid rgba(197,209,221,.3);color:var(--color-accent);font-size:var(--font-small)}.capability-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-5)}.capability-card{padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-surface);scroll-margin-top:calc(var(--header-height) + var(--space-5))}.capability-card:target{border-color:var(--color-focus)}.capability-card:focus-visible{outline:3px solid var(--color-focus);outline-offset:4px}.card-top{display:flex;flex-wrap:wrap;gap:var(--space-2);align-items:center;justify-content:space-between;margin-bottom:var(--space-5)}.card-top .index{margin-bottom:0;color:var(--color-text-muted);font-size:var(--font-caption);letter-spacing:.07em}.option-label{font-size:var(--font-caption);padding:var(--space-1) var(--space-2);border-radius:var(--radius-control);color:var(--color-brand-primary);background:var(--color-brand-secondary)}.capability-card h3{font-size:var(--font-subtitle);margin-bottom:var(--space-3)}.capability-card>p{color:var(--color-text-muted);font-size:var(--font-small);padding-bottom:var(--space-5);border-bottom:1px solid var(--color-border)}.capability-card ul{margin:var(--space-5) 0 0;padding-left:var(--space-5);display:grid;gap:var(--space-3);font-size:var(--font-small)}.capability-card li::marker{color:var(--color-focus)}.future-note{margin-top:var(--space-5);border-top:1px solid var(--color-border);padding-top:var(--space-3);color:var(--color-text-muted);font-size:var(--font-small)}.future-note summary{cursor:pointer;min-height:44px;display:list-item;padding-block:var(--space-3);width:fit-content}.future-note p{max-width:940px;padding-block:var(--space-3)}.screens-section{background:var(--color-canvas)}.screen-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-5)}.screen-card{margin:0;border:1px solid var(--color-border);border-radius:var(--radius-card);padding:var(--space-3);background:var(--color-surface);box-shadow:var(--shadow-1);min-width:0}.screen-image{aspect-ratio:895/899;overflow:hidden;border-radius:var(--radius-control);background:var(--color-canvas);display:grid;place-items:center}.screen-image img{width:100%;height:100%;object-fit:contain}.screen-card figcaption{padding:var(--space-5) var(--space-3) var(--space-3)}.screen-card h3{font-size:var(--font-subtitle);margin-bottom:var(--space-3)}.screen-card figcaption p{font-size:var(--font-small);color:var(--color-text-muted);min-height:72px}.screen-card .image-link{margin-top:var(--space-5)}.image-fallback{padding:var(--space-5);font-size:var(--font-small);color:var(--color-text-muted)}.contact-section{background:var(--color-brand-deep);color:var(--color-on-dark);border-top:3px solid var(--color-focus)}.contact-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:var(--space-8);align-items:center}.contact-section .eyebrow{color:var(--color-accent)}.contact-section h2{font-size:var(--font-section);max-width:630px;margin-bottom:var(--space-5)}.contact-section p{color:var(--color-on-dark-muted)}.contact-actions{min-width:0}.email-address{font-size:clamp(1.25rem,2.5vw,1.75rem);color:var(--color-accent);overflow-wrap:anywhere;display:inline-block;min-height:44px}.button-row{display:flex;gap:var(--space-3);flex-wrap:wrap;margin-top:var(--space-5)}.contact-section .primary-button{background:var(--color-accent);color:var(--color-brand-deep)}.email-hint{font-size:var(--font-small);margin-top:var(--space-5)}#copy-status{font-size:var(--font-small);margin-top:var(--space-3);min-height:24px}.site-footer{padding-block:var(--space-6);font-size:var(--font-caption);color:var(--color-text-muted)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-5)}.site-footer strong{font-size:var(--font-small);color:var(--color-text-primary)}.site-footer p{margin-top:var(--space-1)}.modal-open{overflow:hidden}dialog{width:min(1180px,94vw);max-height:90vh;margin:auto;padding:0;border:1px solid var(--color-border);border-radius:var(--radius-modal);color:var(--color-text-primary);background:var(--color-surface);overflow:auto;z-index:var(--layer-modal)}dialog::backdrop{background:var(--color-backdrop)}.dialog-header{position:sticky;top:0;padding:var(--space-5);display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);background:var(--color-surface);border-bottom:1px solid var(--color-border)}.dialog-header h2{font-size:var(--font-subtitle)}.dialog-body{padding:var(--space-5)}.dialog-body img{margin-inline:auto;height:auto;max-width:100%}.dialog-body p{color:var(--color-text-muted);font-size:var(--font-small);margin-top:var(--space-5)}.benefit-grid .index{color:var(--color-brand-primary)}
@media(max-width:1023px){:root{--space-section:64px;--header-height:72px}.container{width:calc(100% - var(--space-7))}.desktop-nav{gap:var(--space-4)}.hero{min-height:700px}.hero-content{padding-bottom:240px}.hero-image{object-position:40% center}.benefit-grid{gap:var(--space-5)}.workflow-layout{grid-template-columns:260px minmax(0,1fr)}.stage-panel{padding:var(--space-6)}.stage-detail{grid-template-columns:1fr}.mode-card{padding:var(--space-6)}.control-track{flex-direction:column;align-items:flex-start;gap:var(--space-3)}.screen-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.screen-card:last-child{grid-column:1/-1;max-width:560px;width:100%;justify-self:center}.contact-layout{gap:var(--space-6)}.footer-inner{align-items:flex-start}.footer-inner>p{max-width:320px}}
@media(max-width:767px){.container{width:calc(100% - var(--space-6))}.desktop-nav{display:none}.menu-button:not([hidden]){display:block}.header-inner{gap:var(--space-2)}.header-actions{gap:var(--space-2)}.header-actions .primary-button{padding-inline:var(--space-3)}.brand strong{font-size:var(--font-body)}.brand small{letter-spacing:.1em}.brand-emblem{width:36px;height:40px}.brand{gap:var(--space-2)}.hero{min-height:760px}.hero-content{padding-top:var(--space-7);padding-bottom:300px}.hero-image{object-position:35% bottom}.hero-shade{background:linear-gradient(180deg,rgba(5,19,33,.9),rgba(5,19,33,.7) 45%,rgba(5,19,33,.08) 72%,rgba(5,19,33,.85))}.hero .eyebrow{font-size:var(--font-caption);letter-spacing:.08em}.hero-description{font-size:var(--font-body)}.hero-tags{gap:var(--space-2);font-size:var(--font-caption)}.hero-tags span+span{padding-left:var(--space-2)}.hero-bottom span:last-child{display:none}.benefit-grid{grid-template-columns:1fr;gap:var(--space-6)}.section-heading{margin-bottom:var(--space-6)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media(max-width:767px){.workflow-layout{grid-template-columns:1fr}.stage-nav{border-right:0;border-bottom:1px solid var(--color-border);grid-template-columns:1fr 1fr;padding:var(--space-3)}.stage-button{font-size:var(--font-small);min-height:72px;padding:var(--space-2);gap:var(--space-2)}.stage-panel{padding:var(--space-5);min-height:480px}.stage-panel h3{font-size:var(--font-subtitle)}.scenario-select label{padding:var(--space-3) var(--space-4);width:100%}.parallel-track{padding:var(--space-5);gap:var(--space-3)}.control-track{padding:var(--space-5)}.mode-grid,.capability-grid,.screen-grid,.contact-layout,.static-workflow{grid-template-columns:1fr}.mode-card,.capability-card{padding:var(--space-5)}.screen-card:last-child{grid-column:auto;max-width:none}.screen-card figcaption p{min-height:0}.contact-layout{gap:var(--space-7)}.footer-inner{flex-direction:column}.footer-inner>p{max-width:none}.dialog-header{padding:var(--space-4);align-items:flex-start}.dialog-header h2{font-size:var(--font-body)}.dialog-header .secondary-button{flex-shrink:0;padding-inline:var(--space-3)}.dialog-body{padding:var(--space-4)}}
/* Wrapping preserves the header at enlarged text sizes; scroll offsets follow its actual height. */
html{scroll-padding-top:calc(var(--scroll-header-height,var(--header-height)) + var(--space-5))}
.header-inner{flex-wrap:wrap;padding-block:var(--space-2)}
.desktop-nav{flex-wrap:wrap}
.capability-card{scroll-margin-top:calc(var(--scroll-header-height,var(--header-height)) + var(--space-5))}
@media(max-width:767px){.header-inner{row-gap:var(--space-3)}.header-actions{margin-left:auto}.stage-button-label{overflow-wrap:anywhere}}
.capability-grid,.mode-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,28rem),1fr))}
.capability-card,.mode-card{min-width:0;overflow-wrap:anywhere}
.screen-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,22rem),1fr))}
.stage-nav{min-width:0}.stage-button-label{overflow-wrap:anywhere}
.benefit-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr))}
@media(max-width:1023px){.workflow-layout{grid-template-columns:1fr}.stage-nav{grid-template-columns:repeat(auto-fit,minmax(min(100%,10.5rem),1fr));border-right:0;border-bottom:1px solid var(--color-border)}.stage-button{min-height:72px}}
@media(max-width:767px){.stage-nav{grid-template-columns:repeat(auto-fit,minmax(min(100%,10rem),1fr))}}