@font-face{font-family:Pretendard;src:url('assets/pretendard.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
*{box-sizing:border-box}html{scroll-behavior:auto}body{margin:0;background:#fff;color:#121212;font-family:Pretendard,sans-serif}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid #0088ff;outline-offset:6px}button{color:inherit}.site{width:100%;max-width:1920px;margin:auto;container-type:inline-size}.site-header{position:relative;aspect-ratio:1920/202;background:#fff}.brand{position:absolute;left:6.875%;top:45.05%;width:6.77%;line-height:0}.brand img{width:100%;height:auto}.main-nav{position:absolute;left:41.12%;top:40.6%;display:flex;align-items:center;gap:1.667cqw;height:2.084cqw;font-size:1.041667cqw;line-height:1.4;color:#6b7684;white-space:nowrap}.main-nav a{padding:.3cqw 0}.main-nav a[aria-current=page]{font-weight:700;color:#0088ff}.main-nav a:hover{color:#0088ff}.header-actions{position:absolute;left:85.15%;top:40.35%;height:2.24cqw;display:flex;align-items:center;gap:1.25cqw}.header-actions button{display:flex;align-items:center;justify-content:center;background:#fff}.search-button{padding:0;border:0;width:1.5cqw;height:2.24cqw}.header-actions svg{width:1.094cqw;height:1.094cqw;stroke:#182d34;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.share-button{height:2.24cqw;border:1px solid #e5eaf0;border-radius:.52cqw;gap:.3125cqw;padding:0 .73cqw;font-size:.6771cqw;font-weight:700;color:#182d34;white-space:nowrap}.share-button:hover{background:#f4f9ff;border-color:#b7d9ff}#main{position:relative;outline:none;overflow:hidden;min-height:40vh}.design-content{display:block;width:100%;height:auto;overflow:hidden}.design-content text{cursor:text;user-select:text}.design-content image{pointer-events:none}.design-tabs{position:absolute;inset:0;pointer-events:none}.design-tabs a{position:absolute;font-size:var(--size);line-height:1;color:#6b7684;white-space:nowrap;pointer-events:auto;transform:translateY(-78%);padding:.5cqw 0}.design-tabs a[aria-current=page]{color:#0088ff;font-weight:700}.design-tabs a:hover{color:#0088ff}.search-hit{paint-order:stroke;stroke:#fff0a5;stroke-width:9px;stroke-linejoin:round}.loading{padding:12vw 6.875%;color:#6b7684;text-align:center;font-size:16px}.error-state{padding:10vw 7%;text-align:center}.error-state button{border:0;border-radius:8px;padding:12px 20px;background:#0088ff;color:white}.skip-link{position:fixed;top:-100px;left:16px;z-index:50;background:#0088ff;color:#fff;padding:10px 20px;border-radius:8px}.skip-link:focus{top:10px}.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}dialog{width:min(620px,calc(100vw - 32px));max-height:80vh;border:1px solid #e5eaf0;border-radius:18px;padding:26px;background:white;box-shadow:0 16px 70px #10294430;color:#182d34}dialog::backdrop{background:#101b3255;backdrop-filter:blur(5px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.dialog-heading h2{font-size:23px;margin:0}.close-dialog{border:0;background:#f2f5f8;width:32px;height:32px;border-radius:50%;color:#6b7684}.search-field{display:block}.search-field input,#share-url{width:100%;background:#f7f9fc;border:1px solid #e3eaf3;border-radius:10px;font-size:16px;padding:14px;color:#182d34}#search-summary{font-size:13px;color:#6b7684;line-height:1.6}#search-results{display:grid;gap:8px}.search-result{display:block;padding:14px;border:1px solid #e5eaf0;border-radius:10px}.search-result:hover{background:#f5faff;border-color:#a5d1ff}.search-result small{display:block;color:#0088ff;font-size:12px;margin-bottom:7px}.search-result span{font-size:14px;line-height:1.65}.search-result mark{color:#0069ce;background:#e6f3ff}#copy-link{background:#0088ff;color:white;border:0;border-radius:9px;padding:12px 20px;margin-top:14px}#toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,20px);max-width:calc(100vw - 32px);padding:13px 21px;border-radius:12px;background:#182d34;color:white;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;box-shadow:0 6px 30px #182d3422;z-index:60;white-space:nowrap}#toast.visible{opacity:1;transform:translate(-50%,0)}
@media(min-width:1920px){.site{box-shadow:0 0 0 1px #f4f6f9}}
@media(max-width:700px){.site-header{height:108px;aspect-ratio:auto}.brand{left:5%;top:26px;width:96px}.main-nav{left:5%;top:72px;gap:28px;height:auto;font-size:14px}.header-actions{left:auto;right:5%;top:20px;height:32px;gap:16px}.search-button{width:30px;height:32px}.header-actions svg{width:18px;height:18px}.share-button{height:32px;border-radius:7px;gap:5px;padding:0 9px;font-size:12px}dialog{padding:20px}.dialog-heading h2{font-size:20px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.site{max-width:none}.header-actions,.skip-link,dialog,#toast{display:none}.site-header{break-after:avoid}.design-content{max-width:100%}}
@media(min-width:701px){.main-nav{width:20cqw;display:block}.main-nav a{position:absolute;top:0;left:0}.main-nav a:nth-child(2){left:2.70833cqw}.main-nav a:nth-child(3){left:8.38542cqw}.main-nav a:nth-child(4){left:14.21875cqw}}
/* Readable, comfortably clickable navigation at every desktop width. */
.site-header{height:clamp(112px,10.520833vw,202px);aspect-ratio:auto;display:flex;align-items:center;padding:0 6.875%;gap:36px}
.brand{position:static;display:block;width:150px;flex:0 0 150px;line-height:0}
.brand img{display:block;width:150px;height:auto;overflow:visible}
.main-nav{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;width:auto;height:48px;gap:38px;align-items:center;font-size:20px;line-height:1.4}
.main-nav a,.main-nav a:nth-child(2),.main-nav a:nth-child(3),.main-nav a:nth-child(4){position:static;left:auto;top:auto;display:flex;align-items:center;min-height:48px;padding:0 3px}
.header-actions{position:static;margin-left:auto;height:46px;gap:16px;display:flex;align-items:center}
.search-button{width:44px;height:44px;border-radius:10px}
.search-button:hover{background:#f4f9ff}
.header-actions svg{width:22px;height:22px;stroke-width:1.6}
.share-button{height:44px;min-width:122px;border-radius:10px;gap:8px;padding:0 15px;font-size:15px}
.mentoring-page{max-width:1440px;margin:0 auto;padding:76px 64px 150px}
.mentoring-heading h1{margin:0;font-size:44px;line-height:1.35;letter-spacing:-1.3px;font-weight:700;color:#121212}
.mentoring-heading p{margin:18px 0 0;color:#6b7684;font-size:18px;line-height:1.6}
.mentoring-tools{display:flex;justify-content:space-between;align-items:center;margin:38px 0 18px;color:#6b7684;font-size:15px}
.mentoring-tools button{border:1px solid #d8e7f8;color:#2584e9;background:#f4f9ff;border-radius:8px;padding:10px 16px;font-weight:600;font-size:15px;min-height:40px}
.question-list{display:grid;gap:16px}
.question{border:1px solid #d4e3f5;border-radius:14px;background:#fff;box-shadow:0 2px 9px #426b9d0a;overflow:hidden;scroll-margin:32px;transition:border-color .15s}
.question:hover{border-color:#9ec7f5}.question[open]{border-color:#a3caf6;box-shadow:0 3px 13px #2f7bc010}
.question summary{display:flex;align-items:center;gap:20px;min-height:96px;padding:24px 30px;cursor:pointer;list-style:none;color:#1d86ff;-webkit-user-select:none;user-select:none}
.question summary::-webkit-details-marker{display:none}.question summary:focus-visible{outline:2px solid #0088ff;outline-offset:-5px;border-radius:14px}
.question-number{flex:0 0 40px;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:#edf6ff;font-size:17px;font-weight:700;color:#2584e9;font-variant-numeric:tabular-nums}
.question-title{font-size:22px;font-weight:600;line-height:1.5;letter-spacing:-.3px;flex:1}
.question summary svg{flex:0 0 24px;width:24px;height:24px;stroke:#7b9dbd;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s}
.question[open] summary svg{transform:rotate(180deg);stroke:#2584e9}
.question-body{padding:0 74px 28px 90px;font-size:17px;line-height:1.85;color:#566577;word-break:keep-all;overflow-wrap:break-word}
.question-body p{margin:0 0 10px}.question-body p:last-child{margin-bottom:0}
.question.search-hit{background:#f5faff;border-color:#0088ff;box-shadow:0 0 0 3px #dceeff}
@media(max-width:1000px) and (min-width:701px){.site-header{padding-inline:5%}.brand,.brand img{width:130px}.brand{flex-basis:130px}.main-nav{font-size:18px;gap:24px}.header-actions{gap:8px}.share-button{min-width:110px;padding-inline:12px}.mentoring-page{padding-inline:40px}.mentoring-heading h1{font-size:38px}}
@media(max-width:700px){.site-header{height:130px;padding:0 20px;align-items:flex-start;gap:12px}.brand{margin-top:25px;width:128px;flex-basis:128px}.brand img{width:128px}.main-nav{top:auto;bottom:8px;left:20px;transform:none;gap:27px;font-size:16px;height:44px}.main-nav a,.main-nav a:nth-child(2),.main-nav a:nth-child(3),.main-nav a:nth-child(4){min-height:44px;padding:0}.header-actions{margin-top:16px;height:44px;gap:4px}.header-actions svg{width:20px;height:20px}.search-button{width:40px;height:44px}.share-button{font-size:13px;height:40px;min-width:96px;padding:0 10px;gap:5px}.mentoring-page{padding:38px 20px 80px}.mentoring-heading h1{font-size:30px;letter-spacing:-.8px}.mentoring-heading p{font-size:15px;margin-top:12px}.mentoring-tools{margin-top:28px}.question-list{gap:12px}.question summary{padding:20px 16px;gap:12px;min-height:82px}.question-title{font-size:17px;line-height:1.55}.question-number{width:30px;height:32px;flex-basis:30px;font-size:14px;border-radius:8px}.question summary svg{width:20px;height:20px;flex-basis:20px}.question-body{padding:0 20px 24px;font-size:15px;line-height:1.8}.question-body p{margin-bottom:12px}}
/* Website type scale: readable body copy, restrained headings, full-size diagrams. */
.site{max-width:1600px;box-shadow:none}
.site-header{height:clamp(100px,8.5vw,144px)}
.brand,.brand img{width:140px}.brand{flex-basis:140px}
.main-nav{font-size:18px;gap:34px}
.design-tabs a{font-size:clamp(17px,1.25cqw,20px)}
.design-tabs{inset:auto;top:var(--tabs-top);left:50%;transform:translate(-50%,-78%);display:flex;align-items:center;gap:clamp(24px,3cqw,48px);width:max-content;max-width:calc(100% - 32px)}
.design-tabs a{position:static;transform:none;display:flex;align-items:center;justify-content:center;min-height:44px;padding:0;flex:none}
.mentoring-page{max-width:1248px;padding:60px 48px 110px}
.mentoring-heading h1{font-size:34px;line-height:1.35;letter-spacing:-.85px}
.mentoring-heading p{font-size:16px;line-height:1.65;margin-top:14px}
.mentoring-tools{margin-top:30px;font-size:14px}
.mentoring-tools button{font-size:14px}
.question-list{gap:12px}
.question summary{min-height:80px;padding:20px 26px;gap:16px}
.question-title{font-size:19px;line-height:1.55;font-weight:600}
.question-number{font-size:15px;width:34px;height:34px;flex-basis:34px;border-radius:9px}
.question-body{padding:0 68px 24px 76px;font-size:16px;line-height:1.8}
.dialog-heading h2{font-size:21px}
@media(max-width:1000px) and (min-width:701px){.main-nav{font-size:17px;gap:24px}.brand,.brand img{width:126px}.brand{flex-basis:126px}.mentoring-heading h1{font-size:32px}}
@media(max-width:700px){.site-header{height:126px}.brand,.brand img{width:128px}.brand{flex-basis:128px}.main-nav{font-size:16px;gap:27px}.mentoring-page{padding:32px 20px 70px}.mentoring-heading h1{font-size:28px}.mentoring-heading p{font-size:15px}.question summary{padding:18px 16px;gap:12px;min-height:76px}.question-title{font-size:17px}.question-number{width:30px;height:30px;flex-basis:30px;font-size:14px}.question-body{padding:0 20px 22px;font-size:15px}}