.dh-page{font-family:Newsreader,Georgia,Times New Roman,serif}.dh-sky{z-index:0;pointer-events:none;background:url(/images/sketchbook/bg-clouds.png) 50%/cover no-repeat,linear-gradient(#bfe8f6 0%,#e5f6fd 50%,#f4fbff 100%);position:fixed;inset:0;overflow:hidden}.dh-blob{filter:blur(1px);opacity:.82;background:#fffef8;border-radius:50%;position:absolute}.dh-blob.b1{width:118px;height:118px;animation:32s ease-in-out infinite alternate dh-drift;top:9%;left:-36px;box-shadow:72px 16px 0 16px #fffef8,128px 6px 0 6px #fffef8,38px -30px 0 10px #fffef8,98px -20px 0 22px #fffef8,158px 20px 0 2px #fffef8}.dh-blob.b2{width:96px;height:96px;animation:36s ease-in-out infinite alternate-reverse dh-drift;top:18%;right:4%;box-shadow:-58px 12px 0 12px #fffef8,-108px 4px 0 4px #fffef8,-28px -24px 0 8px #fffef8,-80px -16px 0 18px #fffef8}.dh-blob.b3{width:140px;height:140px;animation:40s ease-in-out infinite alternate dh-drift;bottom:8%;left:8%;box-shadow:84px 18px 0 14px #fffef8,150px 8px 0 2px #fffef8,46px -34px 0 12px #fffef8,112px -22px 0 24px #fffef8}.dh-blob.b4{width:88px;height:88px;animation:30s ease-in-out infinite alternate-reverse dh-drift;bottom:22%;right:-20px;box-shadow:-52px 10px 0 10px #fffef8,-96px 2px 0 2px #fffef8,-24px -20px 0 8px #fffef8,-72px -14px 0 16px #fffef8}@keyframes dh-drift{0%{transform:translate(0,0)}to{transform:translate(18px,-12px)}}.dh-van{filter:drop-shadow(0 8px 12px #2b506e29);animation:2.8s ease-in-out infinite dh-van-bob;display:block}@keyframes dh-van-bob{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@media (prefers-reduced-motion:reduce){.dh-blob,.dh-van{animation:none}}.dh-page .font-serif{font-family:Instrument Serif,Georgia,Times New Roman,serif}.dh-sb{--paper:#ece7dc;--ink:#2b2721;--ink-soft:#2b272194;--ink-faint:#2b27215c;--hairline:#2b272124;--earth:#9a6a3e;--display:"Pretendard Variable",Pretendard,Georgia,serif;--font:"Pretendard Variable",Pretendard,Georgia,serif;color:var(--ink);width:100%}.dh-sb *{box-sizing:border-box}.dh-sb .sb-wrap{z-index:2;-webkit-user-select:none;user-select:none;justify-items:center;gap:16px;width:100%;display:grid;position:relative}.dh-sb .sb-wrap img{-webkit-user-drag:none;user-drag:none}.dh-sb .sb-stage{touch-action:pan-y;justify-content:center;align-items:center;width:100%;display:flex;position:relative}.dh-sb .sb-arrow{color:var(--ink-faint);cursor:pointer;-webkit-tap-highlight-color:transparent;z-index:8;background:0 0;border:0;flex:none;justify-content:center;align-items:center;padding:6px 2px;transition:color .2s;display:inline-flex}.dh-sb .sb-arrow:hover{color:var(--ink)}.dh-sb .sb-3d{perspective:1750px;perspective-origin:50% 46%;flex:1;min-width:0;max-width:900px;position:relative}.dh-sb .sb-tilt{transform-style:preserve-3d;transform:rotateX(var(--rx,0deg))rotateY(var(--ry,0deg))scale(var(--zoom,1));will-change:transform;position:relative}.dh-sb .sb-book{aspect-ratio:1760/1240;width:100%;transform-style:preserve-3d;z-index:1;position:relative}.dh-sb .sb-cast{pointer-events:none;z-index:0;position:absolute}.dh-sb .sb-cast.ambient{filter:blur(26px);opacity:calc(1 - var(--shade,0)*.42);background:radial-gradient(50% 50% at 50% 58%,#3a2c1a57 0%,#3a2c1a30 40%,#3a2c1a00 74%);inset:27% 5% 2%}.dh-sb .sb-cast.contact{filter:blur(11px);opacity:calc(1 - var(--shade,0)*.5);background:radial-gradient(50% 44% at 50% 42%,#2c200e66 0%,#2c200e2b 48%,#2c200e00 78%);inset:62% 9% 10%}.dh-sb .sb-cast.hair{filter:blur(4px);opacity:calc(1 - var(--shade,0)*.62);background:radial-gradient(50% 52% at 50% 40%,#281c0a57 0%,#281c0a00 76%);inset:70% 12% 17%}.dh-sb .sb-full{position:absolute;inset:0}.dh-sb .sb-full img{width:100%;height:auto;display:block}.dh-sb .sb-half{width:50%;position:absolute;top:0;bottom:0;overflow:clip visible}.dh-sb .sb-half.left{left:0}.dh-sb .sb-half.right{left:50%}.dh-sb .sb-half-img{width:200%;max-width:none;height:auto;display:block}.dh-sb .sb-half-img.right{margin-left:-100%}.dh-sb .gutter-shade{top:var(--pg,21.8%);bottom:var(--pg,21.8%);pointer-events:none;width:46%;opacity:calc(var(--shade,0)*.62);position:absolute;-webkit-mask-image:linear-gradient(#0000 0,#000 5.2% 94.8%,#0000 100%);mask-image:linear-gradient(#0000 0,#000 5.2% 94.8%,#0000 100%)}.dh-sb .gutter-shade.left{background:linear-gradient(270deg,#3426144d,#34261400 82%);right:0}.dh-sb .gutter-shade.right{background:linear-gradient(90deg,#3426143d,#34261400 82%);left:0}.dh-sb .curl{height:100%;width:calc(var(--bw,0px)*var(--span));transform-style:preserve-3d;z-index:6;position:absolute;top:0}.dh-sb .curl.next{transform-origin:0;transform:rotateY(calc(-1*var(--tt,0deg)));left:50%}.dh-sb .curl.prev{transform-origin:100%;transform:rotateY(var(--tt,0deg));right:50%}.dh-sb .strip{height:100%;width:calc(var(--bw,0px)*var(--span)/var(--n));transform-style:preserve-3d;position:absolute;top:0}.dh-sb .curl.next .strip{transform-origin:0}.dh-sb .curl.prev .strip{transform-origin:100%}.dh-sb .curl.next>.strip{left:0}.dh-sb .curl.prev>.strip{left:auto;right:0}.dh-sb .curl.next .strip .strip{transform:rotateY(var(--td,0deg));left:100%}.dh-sb .curl.prev .strip .strip{transform:rotateY(calc(-1*var(--td,0deg)));right:100%}.dh-sb .face{backface-visibility:hidden;background-repeat:no-repeat;background-size:var(--bw,0px)auto;position:absolute;inset:0 -1.1px 0 0}.dh-sb .face.back{transform:rotateY(180deg)}.dh-sb .face .sh,.dh-sb .face .gl{-webkit-mask-image:linear-gradient(#0000 0,#000 5.2% 94.8%,#0000 100%);mask-image:linear-gradient(#0000 0,#000 5.2% 94.8%,#0000 100%)}.dh-sb .strip.edge .face .sh,.dh-sb .strip.edge .face .gl{-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 9%,#000 91%,transparent 100%),var(--hf);-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 9%,#000 91%,transparent 100%),var(--hf);mask-image:linear-gradient(180deg,transparent 0,#000 9%,#000 91%,transparent 100%),var(--hf);-webkit-mask-composite:source-in;-webkit-mask-composite:source-in;mask-composite:intersect}.dh-sb .curl.next .strip.edge .face.front,.dh-sb .curl.prev .strip.edge .face.back{--hf:linear-gradient(90deg,#000 0 22%,transparent 96%)}.dh-sb .curl.next .strip.edge .face.back,.dh-sb .curl.prev .strip.edge .face.front{--hf:linear-gradient(270deg,#000 0 22%,transparent 96%)}.dh-sb .face .sh{left:0;right:0;top:var(--pg,21.8%);bottom:var(--pg,21.8%);pointer-events:none;position:absolute}.dh-sb .curl.next .face.front .sh,.dh-sb .curl.prev .face.back .sh{background:linear-gradient(90deg,rgba(58,43,20,var(--a1,0)),rgba(58,43,20,var(--a2,0)))}.dh-sb .curl.next .face.back .sh,.dh-sb .curl.prev .face.front .sh{background:linear-gradient(90deg,rgba(58,43,20,var(--a2,0)),rgba(58,43,20,var(--a1,0)))}.dh-sb .face .gl{left:0;right:0;top:var(--pg,21.8%);bottom:var(--pg,21.8%);pointer-events:none;opacity:calc(var(--shade,0)*var(--lit,1)*var(--lit,1)*.2);background:#fffaf0;position:absolute}.dh-sb .loupe{width:var(--lr,270px);height:var(--lr,270px);pointer-events:none;z-index:80;opacity:0;will-change:transform;transition:opacity .25s;position:absolute;top:0;left:0}.dh-sb .loupe.on{opacity:1}.dh-sb .loupe.held .ring{cursor:grabbing}.dh-sb .loupe .ring{pointer-events:auto;cursor:grab;padding:calc(var(--lr,270px)*.058);border-radius:50%;position:absolute;inset:0;box-shadow:0 1px 2px #3a2c1a4d,0 10px 18px #3a2c1a3d,0 26px 40px #3a2c1a33,0 48px 66px #3a2c1a21}.dh-sb .loupe .ring:before{content:"";pointer-events:none;background:linear-gradient(146deg,#fdf7e9 0%,#e6d7b4 14%,#b69d70 32%,#7d6740 50%,#cdbb92 66%,#f4ead3 80%,#9b8459 100%);border-radius:50%;position:absolute;inset:0;box-shadow:inset 0 1px 1px #fffc,inset 0 -2px 3px #46341a80;-webkit-mask-image:radial-gradient(circle closest-side,#0000 0 88.2%,#000 89.8% 100%);mask-image:radial-gradient(circle closest-side,#0000 0 88.2%,#000 89.8% 100%)}.dh-sb .loupe .grip{width:calc(var(--lr,270px)*.74);height:calc(var(--lr,270px)*.125);transform-origin:0;transform:rotate(40deg)translate(calc(var(--lr,270px)*.33),-50%);border-radius:calc(var(--lr,270px)*.06);pointer-events:auto;cursor:grab;background:linear-gradient(#ffffff75 0 13%,#fff0 44%,#00000042 100%),linear-gradient(90deg,#d9bd82 0 14%,#a9884e 14% 20%,#6d4c2b 20% 62%,#5a3d22 62% 92%,#7a563180 92% 100%);position:absolute;top:50%;left:50%;box-shadow:0 8px 15px #3a2c1a42,0 18px 26px #3a2c1a24}.dh-sb .lens{background-repeat:no-repeat;border-radius:50%;width:100%;height:100%;display:block;position:relative;overflow:hidden;box-shadow:inset 0 0 0 1px #3428168c,inset 0 4px 12px #281e0e47,inset 0 -7px 16px #fffaf024}.dh-sb .zoomwrap{pointer-events:none;z-index:2;opacity:0;position:absolute;inset:0;overflow:hidden}.dh-sb .zoominner{transform-origin:0 0;position:absolute;inset:0}.dh-sb .lens:before,.dh-sb .lens:after{content:"";pointer-events:none;border-radius:50%;position:absolute;inset:0}.dh-sb .lens:before{z-index:1;background:radial-gradient(circle,#0000 54%,#3a2c1a1a 76%,#2e221057 100%);box-shadow:inset 0 0 0 2px #82a2c442,inset 0 0 0 4px #ce9e7026}.dh-sb .lens:after{z-index:2;background:radial-gradient(36% 26% at 29% 19%,#ffffff4d,#fff0 76%),radial-gradient(24% 16% at 74% 86%,#ffffff1f,#fff0 80%),linear-gradient(150deg,#ffffff0f 0 18%,#fff0 42%)}.dh-sb .sb-zone{cursor:grab;z-index:60;-webkit-tap-highlight-color:transparent;background:0 0;border:0;position:absolute;top:0;bottom:0}.dh-sb .sb-zone:active{cursor:grabbing}.dh-sb .sb-prev{width:50%;left:0}.dh-sb .sb-next{width:50%;right:0}@media (pointer:coarse){.dh-sb .loupe{display:none}}@media (max-width:640px){.dh-sb .sb-wrap{width:100vw;margin-inline:calc(50% - 50vw)}.dh-sb .sb-arrow{z-index:70;padding:12px 6px;position:absolute;top:50%;transform:translateY(-50%)}.dh-sb .sb-arrow.left{left:2px}.dh-sb .sb-arrow.right{right:2px}.dh-sb .sb-3d{max-width:none}}
.dh-landing{--dh-ink:#203c4d;--dh-blue:#2476aa;--dh-muted:#657984;--dh-header-height:100px;color:var(--dh-ink);font-family:var(--font-sans),"Pretendard Variable",Pretendard,sans-serif;-webkit-font-smoothing:antialiased;background:#fff;overflow-x:clip}.dh-landing *,.dh-landing :before,.dh-landing :after{box-sizing:border-box}.dh-landing section[id]{scroll-margin-top:calc(var(--dh-header-height) + 100px)}.dh-landing .dh-chapter[id]{scroll-margin-top:calc(var(--dh-header-height) - 28px)}.dh-shell{width:min(100% - 64px,1240px);margin-inline:auto}.dh-landing h1,.dh-landing h2,.dh-landing h3,.dh-landing p,.dh-landing figure{margin:0}.dh-landing em{color:var(--dh-blue);font-style:normal}.dh-landing h2{letter-spacing:-.055em;word-break:keep-all;font-size:clamp(36px,4.2vw,56px);font-weight:750;line-height:1.27}.dh-landing a,.dh-landing button,.dh-landing summary{-webkit-tap-highlight-color:transparent}.dh-landing :focus-visible{outline-offset:5px;outline:3px solid #2476aa}.dh-landing .dh-eyebrow{letter-spacing:.095em;color:var(--dh-blue);margin-bottom:24px;font-size:12px;font-weight:650}.dh-dot{background:var(--dh-blue);border-radius:50%;width:7px;height:7px;margin-right:7px;display:inline-block}.dh-arrow-icon{flex-shrink:0;transition:transform .2s}.dh-arrow-icon.is-down{transform:rotate(90deg)}.dh-button{border-radius:8px;justify-content:center;align-items:center;gap:26px;min-height:56px;padding:16px 24px;font-size:16px;font-weight:650;transition:background .2s,transform .2s;display:inline-flex}.dh-button:hover{transform:translateY(-2px)}.dh-button-primary{color:#fff;background:#236d9d;box-shadow:0 5px 16px #236d9d14}.dh-button-primary:hover{background:#195781}.dh-text-link{align-items:center;gap:10px;font-size:14px;font-weight:600;display:inline-flex}.dh-text-link:hover .dh-arrow-icon:not(.is-down){transform:translate(3px)}.dh-hero{isolation:isolate;background:linear-gradient(125deg,#f5faff 0%,#eef8fc 55%,#e7f4f6 100%);position:relative}.dh-hero-cloud{z-index:-1;background:radial-gradient(at 55% 15%,#fff 0,#fff0 45%),radial-gradient(at 95% 80%,#d1e8e940 0,#fff0 55%);position:absolute;inset:0}.dh-hero-grid{grid-template-columns:1fr 1fr;align-items:center;gap:30px;min-height:700px;padding-block:72px 62px;display:grid}.dh-hero-copy{z-index:2;position:relative}.dh-landing h1{letter-spacing:-.065em;font-size:clamp(58px,6.3vw,88px);font-weight:780;line-height:1.14}.dh-landing .dh-lead{color:var(--dh-muted);letter-spacing:-.025em;margin-top:28px;font-size:18px;line-height:1.8}.dh-hero-actions{flex-wrap:wrap;align-items:center;gap:20px;margin-top:32px;display:flex}.dh-hero-art{height:540px;position:relative}.dh-photo{background:#fff;border-radius:3px;padding:11px;position:absolute;box-shadow:0 18px 55px #244d6220}.dh-photo img{object-fit:cover;border-radius:1px;width:100%}.dh-photo-main{width:72%;top:28px;left:3%;transform:rotate(-6deg)}.dh-photo-main img{height:338px}.dh-photo-main figcaption{color:#536f7b;justify-content:space-between;gap:12px;padding:18px 9px 12px;font-size:11px;display:flex}.dh-photo-main strong{font-weight:650}.dh-photo-small{z-index:2;width:47%;bottom:13px;right:-1%;transform:rotate(7deg)}.dh-photo-small img{height:175px}.dh-photo-small figcaption{text-align:center;color:#546972;padding:14px 3px 7px;font-size:11px}.dh-art-note{color:#567582;font-size:13px;line-height:1.8;position:absolute;top:2px;right:0;transform:rotate(5deg)}.dh-art-note strong{font-weight:550}.dh-art-note>span{color:#d99d47;text-align:right;margin:10px 20px 0 0;font-size:48px;line-height:1;display:block}.dh-delivery-van{--dh-van-travel:clamp(150px,22vw,300px);aspect-ratio:180/128;z-index:3;pointer-events:none;width:135px;position:absolute;bottom:1px;left:13%}.dh-van-arrival{width:100%;position:relative}.dh-hero-van{transform-origin:45% 85%;width:100%;height:auto;display:block;position:relative;transform:rotate(-3deg)}.dh-van-shadow{filter:blur(3px);background:#35678016;border-radius:50%;width:84%;height:7%;position:absolute;bottom:3%;left:8%}.dh-van-trail{opacity:0;gap:6px;display:grid;position:absolute;top:43%;left:91%}.dh-van-trail i{background:#5e9cb875;border-radius:3px;width:30px;height:2px;display:block}.dh-van-trail i:nth-child(2){width:43px;margin-left:5px}.dh-van-trail i:nth-child(3){width:21px;margin-left:2px}.dh-delivery-van[data-arrival=waiting] .dh-van-arrival{opacity:0;transform:translate3d(var(--dh-van-travel),-8px,0)}.dh-delivery-van[data-arrival=driving] .dh-van-arrival{animation:2.6s cubic-bezier(.22,.7,.3,1) both dh-van-arrive}.dh-delivery-van[data-arrival=driving] .dh-hero-van{animation:2.6s ease-in-out both dh-van-road}.dh-delivery-van[data-arrival=driving] .dh-van-trail{animation:2.6s ease-out both dh-van-breeze}@keyframes dh-van-arrive{0%{opacity:0;transform:translate3d(var(--dh-van-travel),-8px,0)scale(.92)}10%{opacity:1}64%{opacity:1;transform:translate(12px)scale(1)}80%{transform:translate(-7px)scale(1)}91%{transform:translate(2px)scale(1)}to{opacity:1;transform:translate(0,0)scale(1)}}@keyframes dh-van-road{0%,24%,48%{transform:translateY(0)rotate(-4deg)}12%,36%{transform:translateY(-3px)rotate(-2deg)}60%{transform:translateY(-2px)rotate(-3deg)}77%{transform:translateY(1px)rotate(1deg)}90%{transform:translateY(-1px)rotate(-4deg)}to{transform:translateY(0)rotate(-3deg)}}@keyframes dh-van-breeze{0%,8%{opacity:0;transform:translate(-6px)scaleX(.65)}18%,36%{opacity:.85;transform:translate(3px)scaleX(1)}50%{opacity:.55;transform:translate(8px)scaleX(.85)}72%,to{opacity:0;transform:translate(15px)scaleX(.5)}}.dh-start-paths{border-top:1px solid #b8d0dd90;grid-template-columns:repeat(3,1fr);display:grid}.dh-start-paths>a{align-items:center;gap:19px;padding:28px 28px 30px;transition:background .2s;display:flex;position:relative}.dh-start-paths>a:hover{background:#fff8}.dh-start-paths>a:first-child{padding-left:0}.dh-start-paths>a+a:before{content:"";background:#c9dce5;width:1px;height:36px;position:absolute;left:0}.dh-path-num{color:#7193a5;align-self:flex-start;padding-top:3px;font-size:12px}.dh-start-paths small{color:var(--dh-muted);margin-bottom:7px;font-size:12px;display:block}.dh-start-paths strong{letter-spacing:-.035em;font-size:19px;font-weight:650;display:block}.dh-start-paths .dh-arrow-icon{margin-left:auto}.dh-chapter-nav{top:var(--dh-header-height);z-index:30;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffed;border-bottom:1px solid #e6edef;position:sticky}.dh-nav-inner{align-items:center;gap:20px;min-height:66px;display:flex}.dh-nav-links{scrollbar-width:none;flex:1;align-items:stretch;gap:28px;display:flex;overflow-x:auto}.dh-nav-links::-webkit-scrollbar{display:none}.dh-nav-links a{white-space:nowrap;color:#6a7a83;border-bottom:2px solid #0000;align-items:center;gap:6px;min-height:66px;font-size:13px;font-weight:550;display:flex}.dh-nav-links a span{opacity:.65;font-size:10px}.dh-nav-links a[aria-current=location]{border-color:var(--dh-blue);color:var(--dh-blue);font-weight:700}.dh-nav-cta{color:#236d9d;background:#ecf5fb;border-radius:6px;flex-shrink:0;padding:10px 15px;font-size:13px;font-weight:650}.dh-chapter{padding-block:128px}.dh-editorial-heading{grid-template-columns:1.5fr 1fr;align-items:end;gap:40px;display:grid}.dh-editorial-heading>p,.dh-centered-heading>p:last-child,.dh-faq-layout header>p:not(.dh-eyebrow){color:var(--dh-muted);letter-spacing:-.02em;word-break:keep-all;font-size:17px;line-height:1.9}.dh-learning-steps{grid-template-columns:repeat(3,1fr);gap:36px;margin-block:60px 54px;display:grid}.dh-learning-steps article{border-top:1px solid #cbdce5;padding-top:25px}.dh-learning-steps article>span{color:#688596;font-size:12px;font-weight:550}.dh-learning-steps h3{letter-spacing:-.035em;margin-top:22px;font-size:24px;font-weight:650}.dh-learning-steps p{color:var(--dh-muted);margin-top:14px;font-size:15px;line-height:1.8}.dh-experience-photo{background:#e4eff6;border-radius:14px;height:460px;position:relative;overflow:hidden}.dh-experience-photo img,.dh-experience-photo video{object-fit:cover;object-position:center 50%;width:100%;height:100%}.dh-experience-video{opacity:0;position:absolute;inset:0}.dh-experience-video[data-ready=true]{opacity:1}.dh-experience-photo:after{content:"";pointer-events:none;background:linear-gradient(90deg,#102b41bd,#0000 75%);position:absolute;inset:0}.dh-experience-photo figcaption{z-index:1;color:#fff;position:absolute;bottom:46px;left:48px}.dh-experience-photo figcaption span{letter-spacing:.04em;font-size:13px}.dh-experience-photo figcaption strong{letter-spacing:-.04em;margin-top:15px;font-size:38px;font-weight:650;line-height:1.3;display:block}.dh-preparation{background:#f8f6ef}.dh-centered-heading{text-align:center}.dh-centered-heading>p:last-child{margin-top:26px}.dh-prep-book{background:#fffefb;border-radius:5px 12px 12px 5px;grid-template-columns:1fr 1fr;width:min(100%,1040px);margin:60px auto 0;display:grid;position:relative;box-shadow:0 3px #e4e1d7,0 7px #f8f6ee,0 9px #dddcd2,0 25px 55px #6a675512}.dh-prep-book:after{content:"";pointer-events:none;background:linear-gradient(90deg,#0000,#5e584510 47%,#5e584521 50%,#fff9 55%,#0000);width:32px;position:absolute;top:0;bottom:0;left:50%;transform:translate(-50%)}.dh-prep-book-left{text-align:center;background:radial-gradient(at 40% 70%,#f4f8ed,#0000 70%);flex-direction:column;align-items:center;padding:46px 25px 34px;display:flex}.dh-notebook-label{letter-spacing:.18em;color:#81968d;font-size:9px}.dh-prep-book-left h3{letter-spacing:-.04em;margin-top:30px;font-size:36px;font-weight:650;line-height:1.3}.dh-prep-book-left>p:not(.dh-notebook-label){color:#7b8175;margin-top:18px;font-size:15px;line-height:1.8}.dh-prep-book-left img{width:240px;height:auto;margin-top:15px}.dh-book-sign{color:#778a7d;letter-spacing:.04em;margin-top:auto;font-size:11px}.dh-prep-book-right{margin:0;padding:23px 42px;list-style:none}.dh-prep-book-right li{align-items:flex-start;gap:18px;padding-block:24px;display:flex}.dh-prep-book-right li+li{border-top:1px solid #e7e9dd}.dh-step-number{color:#94a18f;padding-top:3px;font-size:12px}.dh-prep-book-right small{color:#7a8c75;letter-spacing:.06em;font-size:10px}.dh-prep-book-right h3{letter-spacing:-.04em;margin-top:6px;font-size:22px;font-weight:650}.dh-prep-book-right p{color:#7d877d;word-break:keep-all;margin-top:9px;font-size:13px;line-height:1.65}.dh-step-check{color:#7a9270;text-align:center;background:#edf3e7;border-radius:50%;flex-shrink:0;width:22px;height:22px;margin-top:4px;margin-left:auto;font-size:13px;line-height:22px}.dh-landing .dh-prep-afterword{color:#83887c;text-align:center;word-break:keep-all;margin-top:42px;font-size:14px;line-height:1.85}.dh-grade-wrap{padding-block:120px}.dh-grade-lower{background:#f3f9fc}.dh-grade-upper{background:#fff}.dh-grade-heading{grid-template-columns:1.35fr 1fr;align-items:end;gap:60px;margin-bottom:30px;display:grid}.dh-grade-description{color:var(--dh-muted);word-break:keep-all;font-size:16px;line-height:1.85}.dh-grade-tags{flex-wrap:wrap;gap:7px;margin-top:22px;display:flex}.dh-grade-tags span{color:#53798d;background:#e7f0f5;border-radius:4px;padding:7px 11px;font-size:11px}.dh-grade-upper .dh-grade-tags span{color:#638369;background:#edf2ed}.dh-landing .dh-sb{max-width:960px;margin-inline:auto}.dh-book-status{flex-direction:column;align-items:center;gap:12px;min-height:64px;margin-top:8px;display:flex}.dh-book-status p{color:var(--dh-muted);font-size:12px}.dh-book-status p strong{color:var(--dh-ink);margin-right:10px;font-weight:650}.dh-book-status a{color:var(--dh-blue);text-underline-offset:5px;font-size:14px;font-weight:600;text-decoration:underline}.dh-recommendations{margin-top:42px}.dh-recommendations>p{color:#69808c;margin-bottom:18px;font-size:13px;font-weight:600}.dh-program-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:34px 22px;margin:0;padding:0;list-style:none;display:grid}.dh-plate-card{display:block}.dh-card-image{aspect-ratio:1.5;background:#e7f0f4;border-radius:10px;display:block;position:relative;overflow:hidden}.dh-card-image img{object-fit:cover;width:100%;height:100%;transition:transform .3s}.dh-plate-card:hover img{transform:scale(1.04)}.dh-plate-card h3{letter-spacing:-.025em;justify-content:space-between;gap:8px;margin-top:16px;font-size:18px;font-weight:650;line-height:1.4;display:flex}.dh-card-arrow{color:#87a2b1;font-weight:400;transition:transform .2s}.dh-plate-card:hover .dh-card-arrow{transform:translate(2px,-2px)}.dh-plate-card p{color:var(--dh-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:7px;font-size:13px;line-height:1.6;display:-webkit-box;overflow:hidden}.dh-catalog-wrap{background:#f6f8fa;padding-block:120px}.dh-catalog-heading{margin-bottom:45px}.dh-catalog-heading>p:last-child{color:var(--dh-muted);margin-top:24px;font-size:17px;line-height:1.8}.dh-catalog-toolbar{justify-content:space-between;align-items:center;gap:25px;margin-bottom:20px;display:flex}.dh-catalog-tabs{flex-wrap:wrap;gap:8px;display:flex}.dh-catalog-tabs button{color:#5f7480;cursor:pointer;background:#fff;border:1px solid #dfe6ea;border-radius:30px;min-height:38px;padding:9px 14px;font-size:13px;transition:background .2s,color .2s}.dh-catalog-tabs button[aria-pressed=true]{color:#fff;background:#2b526b;border-color:#2b526b}.dh-catalog-search{border-bottom:1px solid #aabcc8;align-items:center;min-width:210px;max-width:250px;display:flex}.dh-catalog-search input{width:100%;min-width:0;color:var(--dh-ink);background:0 0;border:0;padding:12px 2px;font-size:14px}.dh-catalog-search input::placeholder{color:#8b9ba4}.dh-catalog-search svg{color:#6f8897;flex-shrink:0}.dh-landing .dh-result-count{color:#7b8d98;margin-bottom:25px;font-size:12px}.dh-result-count strong{color:var(--dh-ink)}.dh-catalog-empty{text-align:center;background:#fff;border-radius:10px;padding:65px 20px}.dh-catalog-empty p{color:var(--dh-muted);font-size:16px}.dh-catalog-empty button{color:var(--dh-blue);cursor:pointer;border:1px solid #bccdd7;border-radius:6px;margin-top:20px;padding:12px 18px;font-size:14px}.dh-ai-consulting{background:#fff;padding-block:96px 32px}.dh-landing #ai-consulting{scroll-margin-top:var(--dh-header-height)}.dh-ai-panel{grid-template-columns:repeat(2,minmax(0,1fr));align-items:center;gap:64px;display:grid}.dh-ai-copy{min-width:0}.dh-ai-copy .dh-eyebrow{color:#477b7a;letter-spacing:.035em;font-size:12px}.dh-landing .dh-ai-copy h2{color:var(--dh-ink);font-size:clamp(34px,3.6vw,48px)}.dh-ai-copy h2 em{color:#087f7d}.dh-ai-copy .dh-ai-description{max-width:490px;color:var(--dh-muted);word-break:keep-all;margin-top:26px;font-size:16px;line-height:1.9}.dh-ai-classes{color:#477b7a;flex-wrap:wrap;gap:8px 0;margin:22px 0 0;padding:0;font-size:13px;line-height:1.6;list-style:none;display:flex}.dh-ai-classes li{white-space:nowrap}.dh-ai-classes li+li:before{content:"·";color:#87aaa2;margin-inline:9px}.dh-ai-art{justify-self:end;width:100%;min-width:0;max-width:520px}.dh-ai-school-image{border-radius:16px;width:100%;height:auto;display:block}.dh-ai-advisor{background:#eef8f5;border-radius:16px;grid-template-columns:112px minmax(0,1fr) auto;align-items:center;gap:24px;margin-top:40px;padding:24px 32px;display:grid}.dh-ai-character{width:112px;height:auto;display:block}.dh-ai-advice{min-width:0}.dh-ai-advice h3{color:var(--dh-ink);letter-spacing:-.035em;word-break:keep-all;font-size:22px;font-weight:650;line-height:1.5}.dh-ai-advice p{color:#58786f;word-break:keep-all;margin-top:8px;font-size:14px;line-height:1.7}.dh-ai-contact{flex-direction:column;align-items:center;gap:10px;min-width:0;display:flex}.dh-landing .dh-ai-call{color:#fff;white-space:nowrap;background:#236d9d;gap:10px;font-size:14px}.dh-ai-call svg{flex-shrink:0}.dh-landing .dh-ai-call:hover{background:#195781}.dh-ai-phone{color:#527069;letter-spacing:.025em;font-size:14px}.dh-faq-layout{grid-template-columns:.9fr 1.2fr;gap:75px;display:grid}.dh-faq-layout h2{font-size:clamp(32px,3.2vw,42px)}.dh-faq-layout header>p:not(.dh-eyebrow){margin-top:24px;font-size:15px}.dh-faq-layout header>a{color:var(--dh-blue);margin-top:25px}.dh-faq-list{border-top:1px solid #b7c8d3}.dh-faq-item{border-bottom:1px solid #e1e8ed}.dh-faq-item summary{letter-spacing:-.02em;cursor:pointer;word-break:keep-all;align-items:center;gap:16px;padding:27px 0;font-size:16px;font-weight:600;list-style:none;display:flex}.dh-faq-item summary::-webkit-details-marker{display:none}.dh-faq-number{color:#8298a5;font-size:11px;font-weight:400}.dh-faq-plus{color:#658194;flex-shrink:0;width:16px;height:16px;margin-left:auto;position:relative}.dh-faq-plus:before,.dh-faq-plus:after{content:"";background:currentColor;position:absolute}.dh-faq-plus:before{width:12px;height:1px;top:7px;left:2px}.dh-faq-plus:after{width:1px;height:12px;transition:transform .2s;top:2px;left:7px}.dh-faq-item[open] .dh-faq-plus:after{transform:rotate(90deg)}.dh-faq-item>p{color:var(--dh-muted);word-break:keep-all;padding:0 32px 27px;font-size:14px;line-height:1.9}.dh-final-invite{color:#fff;background:#244d66;border-radius:14px;grid-template-columns:1.4fr 1fr;align-items:center;gap:40px;margin-top:100px;padding:64px;display:grid}.dh-final-invite .dh-eyebrow{color:#aacee0;font-size:11px}.dh-final-invite h2{font-size:40px;line-height:1.3}.dh-final-invite p:not(.dh-eyebrow){color:#c0d4df;margin-top:22px;font-size:15px;line-height:1.85}.dh-final-actions{flex-direction:column;align-items:center;gap:20px;display:flex}.dh-button-light{color:#244d66;background:#f4fbff;width:100%;max-width:350px}.dh-button-light:hover{background:#dceef8}.dh-phone{color:#d2e2eb;font-size:14px}.dh-final-actions>span{text-align:center;color:#a6c3d3;font-size:11px}@media (max-width:1100px){.dh-nav-links{gap:19px}.dh-nav-links a span{display:none}.dh-hero-grid{min-height:640px}.dh-hero-art{height:460px}.dh-photo-main img{height:290px}.dh-photo-small img{height:145px}.dh-art-note{top:-20px;right:4px}.dh-hero-actions{flex-direction:column;align-items:flex-start;gap:20px}.dh-catalog-toolbar{flex-direction:column;align-items:flex-start}.dh-catalog-search{width:100%;max-width:360px}.dh-prep-book-right{padding-inline:27px}.dh-final-invite{padding:45px}}@media (max-width:900px){.dh-ai-panel{grid-template-columns:minmax(0,1fr);gap:32px}.dh-ai-art{justify-self:center}.dh-ai-advisor{grid-template-columns:88px minmax(0,1fr);gap:20px;padding:24px}.dh-ai-character{width:88px}.dh-ai-contact{grid-column:1/-1}.dh-landing .dh-ai-call{width:100%}}@media (max-width:760px){.dh-ai-consulting{padding-block:64px 0}.dh-ai-copy .dh-eyebrow{letter-spacing:.01em;font-size:10px}.dh-landing .dh-ai-copy h2{font-size:clamp(28px,8vw,38px)}.dh-ai-copy .dh-ai-description{margin-top:21px;font-size:14px;line-height:1.85}.dh-ai-classes{margin-top:18px;font-size:12px}.dh-ai-classes li+li:before{margin-inline:7px}.dh-ai-advisor{gap:20px 12px;margin-top:28px;padding:20px 16px}.dh-ai-advice h3{font-size:17px}.dh-ai-advice p{margin-top:6px;font-size:12px}.dh-landing .dh-ai-call{font-size:13px}.dh-landing .dh-chapter[id]{scroll-margin-top:calc(var(--dh-header-height) + 2px)}.dh-shell{width:calc(100% - 40px)}.dh-landing h2{letter-spacing:-.045em;font-size:33px}.dh-landing .dh-eyebrow{margin-bottom:20px;font-size:10px}.dh-hero-grid{grid-template-columns:1fr;gap:22px;padding-block:44px 18px}.dh-landing h1{font-size:clamp(49px,12.5vw,76px);line-height:1.13}.dh-landing .dh-lead{margin-top:21px;font-size:15px;line-height:1.8}.dh-hero-actions{gap:18px;margin-top:23px}.dh-button{gap:24px;min-height:51px;padding:14px 18px;font-size:14px}.dh-text-link{font-size:13px}.dh-hero-art{width:min(100%,440px);height:400px;margin:15px auto 0}.dh-photo-main{width:71%;padding:8px;top:16px;left:4%}.dh-photo-main img{height:260px}.dh-photo-main figcaption{gap:4px;padding:12px 2px 6px;font-size:9px}.dh-photo-small{width:46%;padding:7px;bottom:17px;right:0}.dh-photo-small img{height:127px}.dh-photo-small figcaption{padding:9px 0 4px;font-size:8px}.dh-art-note{font-size:10px;top:0;right:0}.dh-art-note>span{margin:8px 10px 0 0;font-size:36px}.dh-delivery-van{--dh-van-travel:clamp(105px,32vw,160px);width:100px;bottom:3px;left:15%}.dh-start-paths{grid-template-columns:1fr}.dh-start-paths>a,.dh-start-paths>a:first-child{gap:18px;padding:19px 0}.dh-start-paths>a+a{border-top:1px solid #cee0e880}.dh-start-paths>a+a:before{display:none}.dh-start-paths>a>span:nth-child(2){flex:1;align-items:baseline;gap:13px;display:flex}.dh-start-paths small{min-width:67px;margin-bottom:0;font-size:10px}.dh-start-paths strong{font-size:15px}.dh-path-num{align-self:auto;padding:0;font-size:10px}.dh-nav-inner{gap:12px;width:100%;min-height:54px;padding-left:20px}.dh-nav-links{gap:22px}.dh-nav-links a{min-height:54px;font-size:12px}.dh-nav-cta{margin-right:12px;padding:9px 10px;font-size:11px}.dh-chapter,.dh-grade-wrap,.dh-catalog-wrap{padding-block:76px}.dh-editorial-heading,.dh-grade-heading{grid-template-columns:1fr;gap:24px}.dh-editorial-heading>p,.dh-centered-heading>p:last-child{font-size:14px;line-height:1.85}.dh-learning-steps{grid-template-columns:1fr;gap:26px;margin-block:36px}.dh-learning-steps article{grid-template-columns:1fr;padding-top:20px;display:grid}.dh-learning-steps article>span{font-size:10px}.dh-learning-steps h3{margin-top:12px;font-size:23px}.dh-learning-steps p{margin-top:10px;font-size:14px}.dh-experience-photo{border-radius:9px;height:370px}.dh-experience-photo img,.dh-experience-photo video{object-position:62% center}.dh-experience-photo:after{background:linear-gradient(#0000 10%,#102b41cc)}.dh-experience-photo figcaption{bottom:28px;left:25px}.dh-experience-photo figcaption span{font-size:11px}.dh-experience-photo figcaption strong{margin-top:12px;font-size:29px}.dh-prep-book{grid-template-columns:1fr;margin-top:36px}.dh-prep-book:after{display:none}.dh-prep-book-left{border-bottom:1px solid #e8eadf;padding:32px 20px 27px}.dh-prep-book-left h3{margin-top:23px;font-size:30px}.dh-prep-book-left>p:not(.dh-notebook-label){margin-top:15px;font-size:14px}.dh-prep-book-left img{width:195px;margin-top:10px}.dh-book-sign{margin-top:12px;font-size:10px}.dh-prep-book-right{padding:8px 23px}.dh-prep-book-right li{gap:14px;padding-block:23px}.dh-prep-book-right h3{font-size:21px}.dh-landing .dh-prep-afterword{margin-top:30px;font-size:12px}.dh-grade-heading{margin-bottom:20px}.dh-grade-description{font-size:14px}.dh-grade-tags{gap:5px;margin-top:16px}.dh-grade-tags span{padding:6px 9px;font-size:10px}.dh-book-status{gap:10px;min-height:58px}.dh-book-status p{font-size:11px}.dh-book-status a{font-size:13px}.dh-recommendations{margin-top:25px}.dh-recommendations>p{font-size:11px}.dh-program-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 13px}.dh-card-image{aspect-ratio:1.3;border-radius:7px}.dh-plate-card h3{gap:4px;margin-top:12px;font-size:15px}.dh-plate-card p{margin-top:6px;font-size:11px}.dh-catalog-heading{margin-bottom:30px}.dh-catalog-heading>p:last-child{margin-top:20px;font-size:14px}.dh-catalog-tabs{gap:6px}.dh-catalog-tabs button{min-height:36px;padding:8px 12px;font-size:11px}.dh-catalog-toolbar{gap:18px}.dh-catalog-search{max-width:none}.dh-faq-layout{grid-template-columns:1fr;gap:34px}.dh-faq-layout h2{font-size:33px}.dh-faq-layout header>p:not(.dh-eyebrow){margin-top:20px;font-size:14px}.dh-faq-item summary{gap:12px;padding-block:23px;font-size:14px;line-height:1.6}.dh-faq-item>p{padding:0 23px 23px;font-size:13px}.dh-final-invite{border-radius:10px;grid-template-columns:1fr;gap:32px;margin-top:65px;padding:34px 23px}.dh-final-invite h2{font-size:30px}.dh-final-invite .dh-eyebrow{font-size:9px}.dh-final-invite p:not(.dh-eyebrow){margin-top:19px;font-size:13px}.dh-final-actions{gap:17px}.dh-final-actions>span{font-size:10px}.dh-phone{font-size:12px}}@media (prefers-reduced-motion:reduce){.dh-delivery-van[data-arrival] .dh-van-arrival{opacity:1;transform:none}.dh-van-trail{display:none}.dh-landing *,.dh-landing :before,.dh-landing :after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}