:root{--learn-ink:#102437;--learn-navy:#0b1f2e;--learn-teal:#087eaf;--learn-mint:#e9f5fa;--learn-paper:#f5f8fb;--learn-line:#d9e5ec;--learn-muted:#536873;--learn-red:#d7193f;--learn-content-width:1400px}
html{scroll-behavior:smooth}
.ec-learn,.ec-lesson{font-family:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;color:var(--learn-ink)}
.ec-learn *,.ec-lesson *{box-sizing:border-box}
.ec-learn{width:min(100% - 48px,var(--learn-content-width));margin:auto;font-size:16px;line-height:1.75}
.ec-learn h1,.ec-learn h2,.ec-learn h3,.ec-lesson h2{color:var(--learn-ink);line-height:1.4}
.ec-learn a,.ec-lesson a{text-underline-offset:.2em}
.ec-learn a:focus-visible,.ec-lesson a:focus-visible,.ec-learn button:focus-visible,.ec-learn input:focus-visible,.ec-learn select:focus-visible,.ec-learn summary:focus-visible{outline:3px solid #e99b25;outline-offset:3px}
.ec-learn [id]{scroll-margin-top:24px}
.ec-learn-hero{position:relative;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(400px,.94fr);gap:64px;align-items:center;margin:0 calc(50% - 50vw);padding:96px max(24px,calc((100vw - var(--learn-content-width))/2)) 88px;background:#f5f8fc;color:var(--learn-ink)}
.ec-learn-eyebrow,.ec-learn-heading>span,.ec-learn-about>div>span,.ec-learn-line>div>span{display:block;color:var(--learn-teal);font-size:12px;font-weight:850;letter-spacing:.1em}
.ec-learn-hero h1{margin:22px 0 24px;color:var(--learn-ink);font-size:clamp(38px,4.2vw,60px);font-weight:900;letter-spacing:-.04em;line-height:1.27}
.ec-learn-hero h1 span{color:#1f648f;text-decoration:underline;text-decoration-color:var(--learn-red);text-decoration-thickness:5px;text-underline-offset:11px}
.ec-learn-hero .ec-learn-eyebrow{color:#315572;letter-spacing:.06em}
.ec-learn-eyebrow span{display:inline-block;margin-left:13px;padding:4px 10px;border:1px solid #c9d8e3;border-radius:999px;color:#315572;letter-spacing:0}
.ec-learn-hero__copy>p:not(.ec-learn-eyebrow){max-width:680px;color:#40566a;font-size:17px}
.ec-learn-benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;max-width:680px;margin-top:25px}
.ec-learn-benefits>div{min-width:0;padding:16px;border:1px solid var(--learn-line);border-radius:8px;background:#fff}
.ec-learn-benefits strong{display:block;color:var(--learn-ink);font-size:14px}
.ec-learn-benefits small{display:block;margin-top:5px;color:#536873;font-size:11px;line-height:1.5}
.ec-learn-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 28px}
.ec-learn-button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:52px;padding:12px 22px;border:2px solid var(--learn-red);border-radius:7px;background:var(--learn-red);color:#fff!important;font-weight:800;text-decoration:none}
.ec-learn-button--outline{border-color:#1f648f;background:#fff;color:#1f648f!important}
.ec-learn-search{max-width:600px}
.ec-learn-search label,.ec-learn-filters label{display:block;margin-bottom:7px;font-size:12px;font-weight:800}
.ec-learn-search label{color:var(--learn-ink)}
.ec-learn-search>div{display:flex}
.ec-learn-search input{flex:1;min-width:0;min-height:50px;padding:0 14px;border:1px solid #a8bec2;border-radius:6px 0 0 6px;background:#fff;font:inherit}
.ec-learn-search button{min-height:50px;padding:0 23px;border:0;border-radius:0 6px 6px 0;background:var(--learn-navy);color:#fff;font:inherit;font-weight:800;cursor:pointer}
.ec-learn-hero__visual{display:flex;flex-direction:column;justify-content:center;gap:22px;min-height:455px;padding:40px;border:1px solid var(--learn-line);border-top:4px solid #1f648f;border-radius:14px;background:#fff;box-shadow:0 16px 38px rgba(18,47,73,.08);color:var(--learn-ink)}
.ec-learn-hero__visual-head span{display:block;color:#1f648f;font-size:11px;font-weight:850;letter-spacing:.12em}
.ec-learn-hero__visual-head strong{display:block;margin:8px 0 6px;color:var(--learn-ink);font-size:clamp(22px,2.2vw,29px);line-height:1.35}
.ec-learn-hero__visual-head p{margin:0;color:#536873;font-size:13px;line-height:1.6}
.ec-learn-topics{display:grid;gap:10px}
.ec-learn-topic{display:grid;grid-template-columns:72px minmax(0,1fr);gap:2px 14px;align-items:baseline;padding:13px 16px;border:1px solid #e2eaf0;border-radius:9px;background:#f7f9fc}
.ec-learn-topic span{grid-row:1/span 2;align-self:center;justify-self:start;padding:4px 9px;border:1px solid #9dbbd0;border-radius:20px;color:#1f648f;font-size:11px;font-weight:800;white-space:nowrap}
.ec-learn-topic strong{color:var(--learn-ink);font-size:16px;line-height:1.4}
.ec-learn-topic small{color:#536873;font-size:12px;line-height:1.5}
.ec-learn-quick{display:flex;gap:0;overflow-x:auto;margin:0 calc(50% - 50vw);padding:0 max(24px,calc((100vw - var(--learn-content-width))/2));background:#132f49}
.ec-learn-quick a{flex:1;min-width:max-content;padding:16px 18px;border-right:1px solid #2d4b5b;color:#fff;text-align:center;text-decoration:none;font-size:13px;font-weight:750}
.ec-learn-quick a:hover{background:#1a465c}
.ec-learn-section{padding:78px 0;border-bottom:1px solid var(--learn-line)}
.ec-learn-section--tint{margin:0 calc(50% - 50vw);padding:78px max(24px,calc((100vw - var(--learn-content-width))/2));background:var(--learn-paper);border:0}
.ec-learn-heading{max-width:680px;margin-bottom:30px}
.ec-learn-heading h2{margin:5px 0 10px;font-size:clamp(28px,3vw,38px);font-weight:900}
.ec-learn-heading p{margin:0;color:var(--learn-muted)}
.ec-learn-paths{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ec-learn-path{display:flex;flex-direction:column;min-height:230px;padding:27px;border:1px solid var(--learn-line);border-top:5px solid var(--learn-teal);border-radius:8px;background:#fff;color:var(--learn-ink);text-decoration:none}
.ec-learn-path:nth-child(2){border-top-color:#2d6884}.ec-learn-path:nth-child(3){border-top-color:#d17f37}
.ec-learn-path>span{color:var(--learn-teal);font-size:11px;font-weight:850;letter-spacing:.08em}
.ec-learn-path h3{margin:13px 0 7px;font-size:21px}
.ec-learn-path p{margin:0 0 20px;color:var(--learn-muted);font-size:14px}
.ec-learn-path strong{margin-top:auto;color:var(--learn-teal);font-size:13px}
.ec-learn-path:hover,.ec-learn-card:hover{box-shadow:0 10px 30px rgba(8,53,64,.11)}
.ec-learn-cards,.ec-learn-library{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.ec-learn-card{min-width:0;overflow:hidden;border:1px solid var(--learn-line);border-radius:9px;background:#fff;transition:box-shadow .15s}
.ec-learn-card[hidden]{display:none}
.ec-learn-card__image{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#133245}
.ec-learn-card__image img{display:block;width:100%;height:100%;object-fit:cover}
.ec-learn-card__image>span{position:absolute;left:16px;bottom:16px;display:grid;width:42px;height:42px;place-items:center;border-radius:50%;background:#fff;color:var(--learn-navy);font-size:17px}
.ec-learn-card__body{padding:14px 15px 16px}
.ec-learn-card__meta{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 8px}
.ec-learn-card__meta span{padding:2px 8px;border-radius:20px;background:var(--learn-mint);color:#09616b;font-size:11px;font-weight:800}
.ec-learn-card h3{margin:0 0 12px;font-size:14px;line-height:1.55}
.ec-learn-card h3 a{color:inherit;text-decoration:none}
.ec-learn-card__link{margin:0;color:var(--learn-teal);font-size:12px;font-weight:850}
.ec-learn-section--categories{padding-top:88px}
.ec-learn-categories{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.ec-learn-categories a{position:relative;display:flex;flex-direction:column;align-items:center;min-width:0;min-height:264px;padding:24px 18px 22px;border:1px solid #d7e6ee;border-radius:12px;background:#f0f8fc;color:var(--learn-ink);text-align:center;text-decoration:none;transition:transform .15s,box-shadow .15s,border-color .15s}
.ec-learn-categories a:nth-child(4n+2){background:#f3f6fc}.ec-learn-categories a:nth-child(4n+3){background:#f7f8fc}.ec-learn-categories a:nth-child(4n){background:#fdf4f5;border-color:#f0dfe3}
.ec-learn-categories a:hover{transform:translateY(-4px);border-color:#7bbfdc;box-shadow:0 15px 30px rgba(15,48,73,.12)}
.ec-learn-category-icon{display:grid;width:78px;height:78px;place-items:center;border:1px solid #dae8ef;border-radius:50%;background:#fff;color:#087eaf;box-shadow:0 8px 18px rgba(12,45,69,.08)}
.ec-learn-categories a:nth-child(4n) .ec-learn-category-icon{color:var(--learn-red)}
.ec-learn-category-icon svg{width:44px;height:44px}
.ec-learn-categories .ec-learn-category-number{position:absolute;top:20px;left:20px;color:#7c9aab;font-size:11px;font-weight:900;letter-spacing:.08em}
.ec-learn-categories h3{margin:18px 0 5px;font-size:18px;line-height:1.4}
.ec-learn-categories p{margin:0;color:var(--learn-muted);font-size:12px;line-height:1.55}
.ec-learn-categories small{margin-top:auto;padding-top:13px;color:#266881;font-size:12px;font-weight:850}
.ec-learn-categories b{position:absolute;right:18px;top:17px;color:#7398aa}
.ec-learn-roadmap ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:0;padding:0;list-style:none}
.ec-learn-roadmap li{border:1px solid var(--learn-line);border-radius:8px;overflow:hidden}
.ec-learn-roadmap__number{display:block;padding:10px 20px;background:var(--learn-navy);color:#fff;font-weight:850}
.ec-learn-roadmap li>div{padding:23px}
.ec-learn-roadmap h3{margin:0 0 8px;font-size:25px}
.ec-learn-roadmap strong{font-size:14px}
.ec-learn-roadmap p{color:var(--learn-muted);font-size:13px}
.ec-learn-roadmap a{color:var(--learn-teal);font-weight:850}
.ec-learn-filters{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr);column-gap:12px;align-items:end}
.ec-learn-filters label{grid-row:1}
.ec-learn-filters input,.ec-learn-filters select{width:100%;min-height:44px;padding:8px 11px;border:1px solid #a8bec2;border-radius:5px;background:#fff;font:inherit}
.ec-learn-count{margin:20px 0 12px;color:var(--learn-muted);font-size:12px}
.ec-learn-library{gap:16px}
.ec-learn-empty{padding:25px;border:1px solid var(--learn-line);border-radius:6px}
.ec-learn-latest{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.ec-learn-latest h3{margin:0 0 10px}
.ec-learn-latest a{display:grid;grid-template-columns:90px 1fr 20px;gap:12px;padding:14px 0;border-bottom:1px solid var(--learn-line);color:var(--learn-ink);text-decoration:none;font-size:14px}
.ec-learn-latest time{color:var(--learn-muted);font-size:11px}
.ec-learn-about{display:grid;grid-template-columns:160px 1fr;gap:35px;align-items:start;padding:72px 0}
.ec-learn-about img{width:160px;height:160px;border-radius:50%;object-fit:cover}
.ec-learn-about h2{margin:8px 0 12px;font-size:30px}
.ec-learn-about p{max-width:760px;color:var(--learn-muted)}
.ec-learn-about .ec-learn-proof{color:var(--learn-teal);font-weight:850}
.ec-learn-about a{color:var(--learn-teal);font-weight:850}
.ec-learn-line{display:grid;grid-template-columns:1fr auto;gap:42px;align-items:center;margin:0 calc(50% - 50vw);padding:68px max(24px,calc((100vw - var(--learn-content-width))/2));background:var(--learn-navy);color:#fff}
.ec-learn-line h2{margin:8px 0;font-size:35px;color:#fff}
.ec-learn-line p{max-width:670px;color:#d1e1e4}
.ec-learn-line ul{margin:13px 0 0;padding-left:20px;color:#d1e1e4;font-size:13px}
.ec-learn-line>a{display:flex;justify-content:space-between;gap:22px;min-width:240px;padding:16px 21px;border-radius:6px;background:#55c799;color:#102f42;text-decoration:none;font-weight:900}
.ec-learn-faq{display:grid;grid-template-columns:300px 1fr;gap:35px}
.ec-learn-faq details{border-bottom:1px solid var(--learn-line)}
.ec-learn-faq summary{padding:19px 10px;cursor:pointer;font-weight:800}
.ec-learn-faq details p{margin:0;padding:0 10px 22px;color:var(--learn-muted)}
.ec-lesson{margin:18px 0 35px}
.ec-lesson__eyebrow{margin:0 0 8px!important;color:var(--learn-teal);font-size:12px;font-weight:850}
.ec-lesson__overview{padding:16px 20px;border-left:5px solid var(--learn-teal);background:var(--learn-paper);font-size:16px;line-height:1.8}
.ec-lesson__player{position:relative;aspect-ratio:16/9;margin:22px 0;background:var(--learn-navy)}
.ec-lesson__player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.ec-lesson__chapters{padding:20px;border:1px solid var(--learn-line);border-radius:7px}
body.single-post .post_content .ec-lesson__chapters h2{margin:0 0 12px;padding:0;border:0;border-radius:0;background:none;color:var(--learn-ink);font-size:20px;line-height:1.45}
.ec-lesson__chapters ol{display:grid;grid-template-columns:1fr 1fr;gap:5px 20px;margin:0;padding-left:20px}
.ec-lesson__chapters a{color:var(--learn-ink);font-size:13px}
.ec-lesson__chapters time{margin-right:10px;color:var(--learn-teal);font-weight:850}
.ec-lesson__read-label{margin-top:24px;padding-bottom:12px;border-bottom:2px solid var(--learn-line);font-weight:750}
.ec-lesson__next{margin:32px 0 20px;padding:22px;border:1px solid var(--learn-line);border-radius:10px;background:var(--learn-paper)}
body.single-post .post_content .ec-lesson__next h2{margin:0 0 16px;padding:0;border:0;border-radius:0;background:none;color:var(--learn-ink);font-size:21px;line-height:1.45}
.ec-lesson__related{display:grid;gap:9px}
.post_content .ec-lesson__related a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:50px;padding:12px 15px;border:1px solid var(--learn-line);border-radius:7px;background:#fff;color:var(--learn-ink)!important;text-decoration:none;font-size:14px;font-weight:750;line-height:1.55}
.ec-lesson__related a span{flex:none;color:#086b95;font-size:19px}
.post_content .ec-lesson__related a:hover,.post_content .ec-lesson__related a:focus-visible{border-color:#87b9ce;background:#eef7fb}
.ec-lesson__sequence{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:18px;padding-top:18px;border-top:1px solid var(--learn-line)}
.post_content .ec-lesson__sequence a{display:flex;flex-direction:column;gap:5px;min-width:0;padding:11px 13px;border:1px solid var(--learn-line);border-radius:7px;background:#fff;color:var(--learn-ink)!important;text-decoration:none;line-height:1.5}
.ec-lesson__sequence a:last-child{grid-column:2}
.ec-lesson__sequence small{color:#086b95;font-size:12px;font-weight:800}
.ec-lesson__sequence span{font-size:13px;font-weight:700}
.ec-lesson__actions{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 28px}
.post_content .ec-lesson__actions a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:11px 16px;border-radius:6px;background:var(--learn-navy);color:#fff!important;text-align:center;text-decoration:none;font-size:14px;font-weight:800;line-height:1.5}
.post_content .ec-lesson__actions a:last-child{background:#b81637}
.post_content .ec-lesson__actions a:hover,.post_content .ec-lesson__actions a:focus-visible{filter:brightness(1.1)}
body.single .post_content figure:not(.ec-youtube-embed){max-width:100%;overflow-x:auto}
@media(max-width:900px){.ec-learn-hero{grid-template-columns:1fr}.ec-learn-hero__visual{min-height:300px}.ec-learn-cards,.ec-learn-library,.ec-learn-categories{grid-template-columns:repeat(2,minmax(0,1fr))}.ec-learn-faq{grid-template-columns:1fr;gap:0}}
@media(max-width:640px){.ec-learn{width:calc(100% - 32px)}.ec-learn-hero{gap:30px;padding:48px 0}.ec-learn-hero h1{font-size:clamp(30px,8vw,42px)}.ec-learn-hero__copy>p:not(.ec-learn-eyebrow){font-size:15px}.ec-learn-hero__visual{min-height:0;padding:25px}.ec-learn-hero__visual-head strong{font-size:23px}.ec-learn-topic{grid-template-columns:64px minmax(0,1fr);gap:2px 10px;padding:12px}.ec-learn-topic strong{font-size:14px}.ec-learn-topic small{font-size:11px}.ec-learn-section,.ec-learn-section--tint{padding-top:52px;padding-bottom:52px}.ec-learn-paths,.ec-learn-cards,.ec-learn-library,.ec-learn-categories,.ec-learn-roadmap ol,.ec-learn-latest,.ec-learn-about,.ec-learn-line{grid-template-columns:1fr}.ec-learn-path{min-height:190px}.ec-learn-filters{grid-template-columns:1fr 1fr}.ec-learn-filters label:first-child,.ec-learn-filters input{grid-column:1/-1}.ec-learn-filters label{grid-row:auto}.ec-learn-latest{gap:28px}.ec-learn-about{gap:20px;padding:52px 0}.ec-learn-line{gap:25px}.ec-learn-line>a{width:100%}.ec-lesson__chapters ol{grid-template-columns:1fr}}
@media(max-width:640px){.ec-learn-hero{padding:48px 16px 44px}.ec-learn-eyebrow span{display:table;margin:8px 0 0}.ec-learn-benefits{gap:6px}.ec-learn-benefits>div{padding:10px 8px}.ec-learn-benefits strong{font-size:11px}.ec-learn-benefits small{font-size:10px}.ec-learn-categories{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.ec-learn-categories a{min-height:236px;padding:17px 9px}.ec-learn-category-icon{width:61px;height:61px}.ec-learn-category-icon svg{width:35px;height:35px}.ec-learn-categories .ec-learn-category-number{top:12px;left:12px}.ec-learn-categories h3{font-size:14px}.ec-learn-categories p{font-size:11px}.ec-learn-categories b{top:10px;right:11px}}
@media(max-width:640px){.ec-lesson__next{padding:18px 14px}.ec-lesson__sequence{grid-template-columns:1fr}.ec-lesson__sequence a:last-child{grid-column:auto}.ec-lesson__actions{display:grid;grid-template-columns:1fr}.post_content .ec-lesson__actions a{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.ec-learn-card{transition:none}}
