:root{--navy:#0b2143;--blue:#1456c0;--light:#eef4fc;--text:#253b57;--muted:#697d94;--line:#dae4f0;--gold:#c8ab6e;--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--text);background:#fff;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{outline-offset:5px}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid 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small{display:block;font-size:8px;font-weight:600;letter-spacing:.24em;margin-top:8px}.exe{font-weight:400}.moon-mark{width:32px;height:32px;border-radius:50%;background:#1456c0;position:relative;display:block;flex-shrink:0;overflow:hidden}.moon-mark:after{content:'';position:absolute;background:white;left:13px;top:-7px;width:28px;height:28px;border-radius:50%}nav{display:flex;gap:26px;font-size:13px;font-weight:600}nav a{padding:10px 0;transition:color .2s}nav a:hover{color:var(--blue)}.header-actions{display:flex;align-items:center;gap:18px}.language{font-size:11px;color:#62728a;white-space:nowrap}.header-login{border:1px solid #c6d4e8;border-radius:8px;padding:8px 14px;font-size:12px;color:var(--blue);white-space:nowrap}.hero{position:relative;min-height:570px;overflow:hidden;background:#071c3a}.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:75% 52%;opacity:.78}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,#061b3af5 0%,#09254bce 37%,#09254b20 80%),linear-gradient(0deg,#061a37a8,transparent 65%)}.hero-content{position:relative;max-width:1280px;padding:74px 40px 100px;margin:auto;color:white}.eyebrow{font-size:11px;letter-spacing:.23em;font-weight:700;color:var(--blue);margin-bottom:15px}.eyebrow.light{color:#b9d8ff}.hero h1{color:white;font-size:clamp(40px,4.5vw,64px);font-weight:650;line-height:1.45;letter-spacing:.08em;margin-bottom:22px}.hero-copy{font-size:15px;line-height:2.1;color:#e0eafa}.hero-buttons{display:flex;gap:12px;margin-top:30px}.button{border-radius:8px;padding:12px 22px;display:inline-flex;align-items:center;justify-content:center;gap:24px;font-size:13px;font-weight:650;border:1px solid transparent;min-height:48px;transition:background .2s,transform 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@media(max-width:1100px){.header-inner{padding:15px 24px;gap:15px}nav{gap:18px;font-size:12px}.header-actions .language{display:none}.section{padding-left:28px;padding-right:28px}.resource-grid{gap:18px}.start-grid{gap:12px}.start-grid>a{gap:12px;padding:20px 15px}.start-grid h3{font-size:14px}.start-grid p{font-size:10px}.event-cover{gap:25px;padding:30px}.event-cover h3{font-size:21px}.about{gap:40px}.countdown{gap:8px}.countdown b{font-size:20px}}
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.brand-logo{width:87px;height:53px;object-fit:cover;border-radius:5px}.brand-label{font-size:10px;line-height:1.6;letter-spacing:.15em;font-weight:600}
@media(max-width:800px){.brand-logo{width:66px;height:40px}.brand-label{font-size:8px}}
dialog[open]{display:flex;flex-direction:column;overflow:hidden}.dialog-head,.preview-hint,.dialog-actions{flex-shrink:0}#pdf-frame{height:auto;flex:1;min-height:0}