.btt[data-astro-cid-wlspcwf4]{position:fixed;bottom:1.5rem;right:1.5rem;z-index:20;display:flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border:1px solid var(--color-border);border-radius:var(--radius-pill);background:#fffaf3d9;backdrop-filter:blur(12px);box-shadow:var(--shadow-card);color:var(--color-text-secondary);cursor:pointer;opacity:0;transform:translateY(.5rem);pointer-events:none;transition:opacity var(--transition-base),transform var(--transition-base),color var(--transition-fast),border-color var(--transition-fast)}.btt--visible[data-astro-cid-wlspcwf4]{opacity:1;transform:translateY(0);pointer-events:auto}.btt[data-astro-cid-wlspcwf4]:hover{color:var(--color-text);border-color:var(--color-border-strong)}@media(max-width:640px){.btt[data-astro-cid-wlspcwf4]{bottom:1rem;right:1rem;width:2.5rem;height:2.5rem}}:root{--color-bg: #faf8f5;--color-bg-elevated: #ffffff;--color-surface: #ffffff;--color-surface-strong: #ffffff;--color-surface-dark: #1a2420;--color-text: #1a1714;--color-text-secondary: #4a4339;--color-text-tertiary: #7a7165;--color-text-muted: #9a9183;--color-border: rgba(26, 23, 20, .1);--color-border-light: rgba(26, 23, 20, .06);--color-border-strong: rgba(26, 23, 20, .16);--color-accent: #1a3a34;--color-accent-hover: #245050;--color-accent-light: rgba(26, 58, 52, .08);--color-accent-soft: #c8895a;--color-accent-soft-hover: #b87a4b;--color-copper: #c8895a;--color-copper-light: rgba(200, 137, 90, .12);--color-tag-bg: rgba(26, 58, 52, .07);--color-tag-text: #245048;--color-success: #2d7a4f;--color-success-bg: rgba(45, 122, 79, .08);--color-warning: #b8860b;--color-warning-bg: rgba(184, 134, 11, .08);--color-error: #c0392b;--font-display: "Google Sans", "LINE Seed Sans TH", system-ui, sans-serif;--font-body: "Google Sans", "LINE Seed Sans TH", system-ui, sans-serif;--font-thai: "Google Sans", "LINE Seed Sans TH", system-ui, sans-serif;--font-serif: "Instrument Serif", "Iowan Old Style", "Apple Garamond", Georgia, "Times New Roman", serif;--text-xs: clamp(.72rem, .7rem + .16vw, .78rem);--text-sm: clamp(.83rem, .8rem + .14vw, .9rem);--text-base: clamp(.95rem, .92rem + .14vw, 1.04rem);--text-lg: clamp(1.08rem, 1.02rem + .26vw, 1.24rem);--text-xl: clamp(1.25rem, 1.12rem + .48vw, 1.56rem);--text-2xl: clamp(1.6rem, 1.35rem + .9vw, 2.2rem);--text-3xl: clamp(2.1rem, 1.75rem + 1.5vw, 3.4rem);--text-hero: clamp(2.8rem, 2rem + 3.8vw, 6rem);--space-xs: .5rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2.5rem;--space-xl: 4rem;--space-2xl: 6rem;--space-3xl: 8rem;--space-section-tight: clamp(3rem, 2.5rem + 2vw, 5rem);--space-section: clamp(4rem, 3.2rem + 3.5vw, 7rem);--max-width: 1140px;--max-width-narrow: 680px;--max-width-reading: 640px;--container-padding: clamp(1.25rem, 1rem + 1.2vw, 2.25rem);--radius-sm: 8px;--radius-md: 12px;--radius-card: 16px;--radius-panel: 20px;--radius-pill: 999px;--shadow-card: 0 1px 3px rgba(26, 23, 20, .04), 0 4px 12px rgba(26, 23, 20, .04);--shadow-card-hover: 0 2px 6px rgba(26, 23, 20, .06), 0 8px 24px rgba(26, 23, 20, .06);--shadow-panel: 0 1px 3px rgba(26, 23, 20, .05), 0 8px 32px rgba(26, 23, 20, .06);--shadow-button-primary: 0 1px 2px rgba(26, 58, 52, .12);--shadow-focus: 0 0 0 3px rgba(26, 58, 52, .12);--surface-panel: #ffffff;--surface-panel-subtle: rgba(255, 253, 250, .96);--surface-card: #ffffff;--surface-card-hover: rgba(255, 253, 250, .98);--surface-muted: #f5f2ee;--ease-out: cubic-bezier(.16, 1, .3, 1);--transition-fast: .15s var(--ease-out);--transition-base: .25s var(--ease-out);--transition-slow: .45s var(--ease-out);--duration-reveal: .6s;--shadow-soft: var(--shadow-card);--radius-card-lg: var(--radius-card);--surface-panel-strong: var(--surface-panel);--surface-card-strong: var(--surface-card)}@font-face{font-family:LINE Seed Sans TH;src:url(/fonts/line-seed-th/LINESeedSansTH_W_Rg.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:LINE Seed Sans TH;src:url(/fonts/line-seed-th/LINESeedSansTH_W_Rg.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}@font-face{font-family:LINE Seed Sans TH;src:url(/fonts/line-seed-th/LINESeedSansTH_W_Bd.woff2) format("woff2");font-weight:700;font-style:normal;font-display:swap}@font-face{font-family:LINE Seed Sans TH;src:url(/fonts/line-seed-th/LINESeedSansTH_W_Bd.woff2) format("woff2");font-weight:600;font-style:normal;font-display:swap}@font-face{font-family:LINE Seed Sans TH;src:url(/fonts/line-seed-th/LINESeedSansTH_W_XBd.woff2) format("woff2");font-weight:800;font-style:normal;font-display:swap}@font-face{font-family:LINE Seed Sans TH;src:url(/fonts/line-seed-th/LINESeedSansTH_W_He.woff2) format("woff2");font-weight:900;font-style:normal;font-display:swap}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;scroll-behavior:smooth;background:var(--color-bg)}body{min-height:100vh;font-family:var(--font-body);font-size:var(--text-base);font-weight:400;line-height:1.6;color:var(--color-text);background:var(--color-bg);position:relative}img,svg{display:block;max-width:100%}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}input{font-family:inherit;border:none;outline:none;background:none}ul,ol{list-style:none}::selection{background:var(--color-accent-light);color:var(--color-accent)}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--container-padding)}.container--narrow{max-width:var(--max-width-narrow)}h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.08;letter-spacing:-.028em;text-wrap:balance}h1{font-size:var(--text-hero);letter-spacing:-.035em}h2{font-size:var(--text-3xl);letter-spacing:-.032em}h3{font-size:var(--text-2xl)}h4{font-size:var(--text-xl)}.display-serif{font-family:var(--font-serif);font-weight:400;font-style:italic;letter-spacing:-.008em;line-height:1}p{color:var(--color-text-secondary);line-height:1.65;text-wrap:pretty}:where(a,button,input,summary):focus-visible{outline:none;box-shadow:var(--shadow-focus);border-radius:var(--radius-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-body);font-size:var(--text-sm);font-weight:700;letter-spacing:0;padding:.8em 1.4em;border:1px solid transparent;border-radius:var(--radius-pill);transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast),box-shadow var(--transition-fast)}.btn:active{transform:scale(.98)}.btn--primary{background-color:var(--color-accent);color:#fff;box-shadow:var(--shadow-button-primary)}.btn--primary:hover{background-color:var(--color-accent-hover)}.btn--secondary{background-color:transparent;color:var(--color-text);border-color:var(--color-border-strong)}.btn--secondary:hover{border-color:var(--color-text);background-color:var(--surface-muted)}.btn--tertiary{padding-inline:0;border:none;background:transparent;color:var(--color-accent);box-shadow:none}.btn--tertiary:hover{color:var(--color-accent-hover)}.btn--copper{background-color:var(--color-copper);color:#fff;box-shadow:0 1px 3px #c8895a4d,0 4px 12px #c8895a26}.btn--copper:hover{background-color:var(--color-accent-soft-hover)}.btn--ghost-light{background-color:transparent;color:#fff;border-color:#ffffff40}.btn--ghost-light:hover{border-color:#ffffff80;background-color:#ffffff0f}.section{padding:var(--space-section) 0}.section+.section{border-top:1px solid var(--color-border-light)}.section__label{font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--color-text-tertiary);margin-bottom:var(--space-md)}.section__title{margin-bottom:var(--space-sm)}.section__subtitle{max-width:560px;font-size:var(--text-lg);color:var(--color-text-secondary)}.tag{display:inline-flex;align-items:center;font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--color-tag-text);background-color:var(--color-tag-bg);padding:.4em .75em;border-radius:var(--radius-pill)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.prose figure{margin:2rem 0 1.35rem}.prose img{width:100%;height:auto;border-radius:var(--radius-card);border:1px solid var(--color-border-light)}.prose figcaption{margin-top:.7rem;color:var(--color-text-tertiary);font-size:var(--text-xs);line-height:1.6}.prose blockquote{margin:1.4rem 0;padding:.75rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--surface-muted)}@keyframes fade-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.motion-enter{opacity:0;animation:fade-up var(--duration-reveal) var(--ease-out) forwards;animation-delay:var(--motion-delay, 0ms)}@media(max-width:480px){.btn{min-height:44px;padding:.7rem 1.1rem;font-size:.9rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.motion-enter{opacity:1}}.hero-stats{display:flex;gap:.75rem}.hero-stat{padding:.85rem 1.25rem;border-radius:var(--radius-card);border:1px solid var(--color-border);background:var(--color-surface);min-width:80px}.hero-stat__value{font-size:var(--text-2xl);font-weight:700;color:var(--color-text);line-height:1;margin-bottom:.2rem;letter-spacing:-.02em}.hero-stat__label{font-size:var(--text-xs);color:var(--color-text-tertiary);font-weight:600;text-transform:uppercase;letter-spacing:.06em}.hero-aside-note{font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.6;max-width:40ch}@media(max-width:768px){.hero-stats{justify-content:flex-start}}