@font-face{font-family:"MH Course Sans";src:url('/assets/fonts/noto-sans-thai-400.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:"MH Course Sans";src:url('/assets/fonts/noto-sans-thai-700.ttf') format('truetype');font-style:normal;font-weight:700;font-display:swap}
.course-reading{font-family:"MH Course Sans","Segoe UI",Arial,sans-serif;font-size:18px;line-height:1.75}
.course-reading :is(main,.masthead,.review-bar) *{letter-spacing:0}
.course-reading :is(button,select,input){font-family:inherit}
.course-reading main :is(p,li,dd){font-size:18px;line-height:1.75}
.course-reading main :is(h1,h2,h3){text-wrap:balance;overflow-wrap:break-word;font-weight:700}
.course-reading main h2{font-size:42px;line-height:1.3;max-width:24ch;margin-bottom:24px}
.course-reading main h3{font-size:26px;line-height:1.4}
.course-reading .section{padding:72px max(24px,calc((100% - 1240px)/2))}
.course-reading .masthead{height:84px;padding-inline:max(24px,calc((100% - 1312px)/2))}
.course-reading .masthead :is(nav a,.course-languages a){font-size:16px;line-height:1.5}
.course-reading .brand span{font-size:14px}
.course-reading .review-bar{font-size:14px;line-height:1.6;padding:10px 24px}
.course-reading main .eyebrow{font-size:14px;line-height:1.6;margin-bottom:20px}
.course-reading .hero h1{font-size:64px;line-height:1.18;margin-bottom:20px}
.course-reading .hero .hero-intro{font-size:22px;line-height:1.65;max-width:38ch;margin-bottom:28px}
.course-reading .hero .hero-product{font-size:16px;line-height:1.7;margin-top:22px}
.course-reading .hero-footer{font-size:14px;line-height:1.6}
.course-reading :is(.button,.secondary-link,.text-link,.manual-sample-link,.manual-purchase-phone){font-size:17px;line-height:1.6;min-height:48px}
.course-reading .button{padding:14px 22px;gap:16px}
.course-reading .hero-actions{gap:12px 24px}
.course-reading .package-heading{align-items:center;gap:36px}
.course-reading .package-lead{max-width:72ch;font-size:20px;line-height:1.75;margin-bottom:44px}
.course-reading .package-price strong{font-size:58px;line-height:1.2;white-space:nowrap}
.course-reading .package-price span{font-size:16px;line-height:1.6;margin-top:12px}
.course-reading .pack-shelf{gap:22px;margin-top:0;margin-bottom:36px;align-items:stretch}
.course-reading .pack-cover{display:flex;flex-direction:column;min-width:0}
.course-reading .pack-cover>span:first-of-type{font-size:18px;line-height:1.55;min-height:84px;margin-top:18px}
.course-reading .pack-cover small{font-size:16px;line-height:1.6}
.course-reading .pack-cover .cover-benefit{font-size:16px;line-height:1.65;min-height:80px;margin:14px 0 18px}
.course-reading .pack-cover .cover-action{font-size:16px;line-height:1.5;margin-top:auto;min-height:48px;padding:14px 0}
.course-reading .pack-cover .cover-action span{font-size:18px}
.course-reading .edition-preview-note{font-size:16px;line-height:1.7;max-width:72ch}
.course-reading :is(.story-heading,.section-intro){max-width:840px}
.course-reading .story-heading>p:last-child{font-size:20px;line-height:1.75;max-width:65ch}
.course-reading .story-grid{gap:32px;margin-top:40px}
.course-reading .story-grid h3{font-size:24px;line-height:1.45;min-height:72px}
.course-reading .story-grid .story-number{font-size:15px;line-height:1.6}
.course-reading .story-image span{font-size:16px;line-height:1.6;padding:16px}
.course-reading .story-follow{gap:32px;margin-top:32px;padding-block:26px}
.course-reading .story-follow p{max-width:70ch}
.course-reading .story-follow .secondary-link{white-space:normal;max-width:100%;overflow-wrap:break-word}
.course-reading .journey-boundary{font-size:16px;line-height:1.75;max-width:85ch}
.course-reading .course-facts{gap:40px;padding-block:40px}
.course-reading .course-facts strong{font-size:26px;line-height:1.45}
.course-reading .course-facts dt{font-size:16px;line-height:1.6}
.course-reading .course-facts dd{font-size:18px;line-height:1.7}
.course-reading .visual-contents .section-intro{margin-bottom:32px}
.course-reading .document-showcase,.course-reading.js .document-showcase{display:block;border:0;border-top:1px solid #b6c4bb;padding:0;scroll-margin-top:24px}
.course-reading .document-showcase:last-child{border-bottom:1px solid #b6c4bb}
.course-reading .document-summary{display:flex;align-items:center;gap:32px;padding:26px 0;list-style:none}
.course-reading .document-summary::-webkit-details-marker{display:none}
.course-reading .document-showcase .document-copy{position:static;flex:1;min-width:0;padding:0}
.course-reading .document-copy>span{display:block}
.course-reading .document-showcase .document-copy .eyebrow{font-size:14px;margin:0 0 8px;color:#316641}
.course-reading .document-showcase .document-title{font-size:26px;line-height:1.45;font-weight:700;margin:0 0 8px;text-wrap:pretty}
.course-reading .document-showcase .document-promise{font-size:18px;line-height:1.65;margin:0;color:#46564d}
.course-reading .document-toggle{display:flex;align-items:center;justify-content:center;flex:0 0 44px;width:44px;height:44px;font-size:30px;color:#236c2c;border:1px solid #acbfb0;border-radius:50%;transition:transform .18s}
.course-reading .document-showcase[open]>.document-summary .document-toggle{transform:rotate(45deg)}
.course-reading .document-expanded{padding:0 0 36px}
.course-reading .document-expanded>.document-benefit{font-size:18px;line-height:1.75;max-width:72ch;margin:0 0 26px;color:#34483b}
.course-reading .document-showcase .document-pages{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin:0;padding:28px;background:#eff3ef;max-width:100%}
.course-reading .document-pages figure,.course-reading .document-pages figure:nth-child(2){display:block;padding:0;margin:0;min-width:0}
.course-reading .document-showcase .document-pages figure:nth-child(2){display:block;grid-template-columns:none;padding:0}
.course-reading .document-pages .page-preview img,.course-reading .document-pages figure:first-child .page-preview img{display:block;width:100%;height:auto;aspect-ratio:1191/1684;object-fit:contain;background:white}
.course-reading .document-pages figure:first-child .page-preview:after{display:none}
.course-reading .document-pages figcaption{font-size:17px;line-height:1.65;margin-top:14px}
.course-reading .document-pages .preview-affordance{font-size:16px;line-height:1.6;padding:14px;min-height:48px}
.course-reading .fit{gap:64px}
.course-reading .fit h3{font-size:24px;line-height:1.5}
.course-reading .fit p{font-size:18px;line-height:1.75}
.course-reading .questions{gap:64px}
.course-reading .questions summary{font-size:19px;line-height:1.6;padding:24px 0;align-items:center}
.course-reading .questions details p{font-size:18px;line-height:1.8;max-width:65ch;margin:0 0 26px}
.course-reading .offer{grid-template-columns:1.1fr 1fr;gap:72px}
.course-reading #course-price{font-size:40px;line-height:1.4;font-weight:700;margin:24px 0 12px}
.course-reading .offer h3{font-size:23px;line-height:1.5;margin-top:32px}
.course-reading .offer .lead{font-size:21px;max-width:40ch}
.course-reading .offer .release-note{font-size:16px;line-height:1.8;color:#e1e9e3}
.course-reading .offer li{font-size:18px;line-height:1.75;margin-bottom:18px;padding-left:6px}
.course-reading .edition-label{font-size:18px;line-height:1.7}
.course-reading #course-edition{font-size:18px;line-height:1.6;min-height:56px;padding:12px;max-width:100%}
.course-reading .offer-action>.button{display:flex;width:100%;margin-block:24px 12px}
.course-reading :is(.manual-purchase-phone,.manual-sample-link){display:block;width:fit-content;max-width:100%;padding:10px 0;margin:0;text-underline-offset:5px}
.course-reading #manual-purchase-note{margin:14px 0 24px}
.course-reading #enrollment-note{margin-top:24px}
.course-reading .practical .text-link{white-space:normal}
.course-reading .preview-toolbar h2{font-size:18px;line-height:1.55;margin:0;text-wrap:pretty}
.course-reading .preview-toolbar button{font-size:16px;min-width:48px;min-height:48px;padding:10px 14px}
.course-reading .skip:not(:focus){clip-path:inset(50%);width:1px;height:1px;padding:0;overflow:hidden;white-space:nowrap}
@media(max-width:1100px){
  .course-reading .hero h1{font-size:48px}
  .course-reading .pack-shelf{grid-template-columns:repeat(4,minmax(0,1fr));gap:32px 24px}
  .course-reading .pack-cover>span:first-of-type{min-height:56px}
  .course-reading .pack-cover .cover-benefit{min-height:54px}
  .course-reading .questions,.course-reading .offer{gap:40px}
}
@media(max-width:700px){
  .course-reading .masthead{height:72px;padding:0 20px}
  .course-reading .masthead nav{display:none}
  .course-reading .review-bar{font-size:14px;padding:8px 20px}
  .course-reading .section{padding:48px 24px}
  .course-reading main h2{font-size:30px;line-height:1.4;max-width:none}
  .course-reading main h3{font-size:24px}
  .course-reading .hero{padding:230px 24px 28px;height:auto;max-height:none;min-height:0!important}
  .course-reading .hero-image{height:auto;aspect-ratio:4/3;object-fit:contain;object-position:center top;mask-image:linear-gradient(#000 55%,transparent 100%)}
  .course-reading .hero-shade{background:linear-gradient(0deg,#14211c 0%,transparent 65%)}
  html[lang] .course-reading .hero-copy{position:relative;inset:auto;transform:none;padding:0;max-width:none}
  .course-reading .hero h1{font-size:40px;line-height:1.25;max-width:none}
  .course-reading .hero .eyebrow{font-size:14px;line-height:1.7}
  .course-reading .hero .hero-intro{font-size:20px;line-height:1.7}
  .course-reading .hero .hero-product{font-size:16px}
  .course-reading .hero-footer{position:relative;inset:auto;margin-top:26px;font-size:14px;gap:16px}
  .course-reading .hero-footer>span{max-width:calc(100% - 40px)}
  .course-reading .package-heading{display:block}
  .course-reading .package-price{text-align:left;margin:24px 0}
  .course-reading .package-price strong{font-size:44px}
  .course-reading .package-lead{font-size:18px;margin-bottom:28px}
  .course-reading .pack-shelf{display:block;margin-bottom:28px}
  .course-reading .pack-cover,.course-reading .pack-cover:last-child{display:grid;grid-template-columns:88px minmax(0,1fr);column-gap:22px;row-gap:4px;width:100%;padding:20px 0;border-top:1px solid #bdcbbc}
  .course-reading .pack-cover img{grid-column:1;grid-row:1/4;width:88px;height:auto;transform:none;box-shadow:0 5px 12px #162b191a}
  .course-reading .pack-cover>span:first-of-type{grid-column:2;min-height:0;font-size:18px;line-height:1.55;margin:0}
  .course-reading .pack-cover small{grid-column:2;font-size:16px}
  .course-reading .pack-cover .cover-benefit{grid-column:2;min-height:0;font-size:16px;line-height:1.7;margin:0}
  .course-reading .pack-cover .cover-action{display:none}
  .course-reading .story-grid{grid-template-columns:1fr;gap:32px}
  .course-reading .story-grid h3{min-height:0;font-size:24px;margin:12px 0 20px}
  .course-reading .story-heading>p:last-child{font-size:18px}
  .course-reading .story-image{aspect-ratio:1.1}
  .course-reading .story-follow{display:block;padding-block:24px}
  .course-reading .course-facts{display:block}
  .course-reading .course-facts dl{display:block}
  .course-reading .course-facts dl>div{display:block;margin-top:24px}
  .course-reading .course-facts dt{margin:0 0 6px}
  .course-reading .document-summary{gap:18px;padding:22px 0}
  .course-reading .document-showcase .document-title{font-size:23px;line-height:1.55}
  .course-reading .document-showcase .document-promise{font-size:17px;line-height:1.75}
  .course-reading .document-toggle{flex-basis:36px;width:36px;height:36px;font-size:26px}
  .course-reading .document-expanded{padding-bottom:24px}
  .course-reading .document-showcase .document-pages{grid-template-columns:1fr;padding:16px;gap:28px}
  .course-reading .document-pages figure:nth-child(2){display:block;padding:0}
  .course-reading .document-pages figure:nth-child(2) .preview-affordance{font-size:16px}
  .course-reading .document-pages figure:nth-child(2) figcaption{margin-top:14px}
  .course-reading .fit,.course-reading .questions,.course-reading .offer{display:block}
  .course-reading .question-heading h2{font-size:30px;max-width:none}
  .course-reading .offer h2{font-size:32px;overflow-wrap:anywhere}
  .course-reading #course-price{font-size:32px;line-height:1.6}
  .course-reading .offer-action{margin-top:36px;padding-top:32px;border-top:1px solid #617867}
  .course-reading .preview-toolbar{flex-wrap:wrap;gap:8px;padding:12px}
  .course-reading .preview-toolbar h2{flex:1 1 100%;font-size:17px;line-height:1.6}
}
@media(prefers-reduced-motion:reduce){.course-reading .document-toggle{transition:none}}