*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-bottom:130px}body{margin:0;background:#f5f9fd;color:#071b40;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif}.image-lp{width:100%;max-width:800px;margin:0 auto;background:#fff;box-shadow:0 0 60px #d6e8f655}.image-section{position:relative;margin:0;background:#fff;scroll-margin-top:0}.image-section+.image-section{padding-top:18px;background:linear-gradient(#fff,#f6fbff,#fff)}.lp-panel{margin:0;line-height:0}.lp-panel img{display:block;width:100%;height:auto}.image-section::before,.image-section::after{position:absolute;left:0;width:100%;height:3px;content:"";pointer-events:none;z-index:1}.image-section::before{top:0;background:linear-gradient(#fff,transparent)}.image-section::after{bottom:0;background:linear-gradient(transparent,#fff)}.review-bar{max-width:800px;margin:auto;background:#f1f7ff;color:#365571;border-bottom:1px solid #d6e7f4;padding:12px 22px;display:flex;gap:12px;align-items:center;justify-content:center;flex-wrap:wrap;font-size:14px;line-height:1.5}.review-bar strong{font-weight:700}.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}.skip-link{position:fixed;top:-100px;left:12px;background:#fff;border:2px solid #006be8;padding:12px;z-index:30}.skip-link:focus{top:12px}.cta{border:0;background:transparent;display:block;width:100%;max-width:360px;padding:0;cursor:pointer;border-radius:999px;transition:transform .15s,filter .15s}.cta img{display:block;width:100%;height:auto;pointer-events:none}.cta:hover{transform:translateY(-2px);filter:brightness(1.035)}.cta:focus-visible{outline:3px solid #072c6d;outline-offset:5px}.cta:active{transform:translateY(1px)}.inline-action{padding:12px 24px 32px;background:#fff;display:flex;justify-content:center}.fixed-action{position:fixed;left:50%;transform:translateX(-50%);bottom:0;z-index:10;width:min(460px,100vw);display:flex;justify-content:center;padding:24px 20px calc(12px + env(safe-area-inset-bottom));background:linear-gradient(transparent,#ffffffed 32%,#fff 94%);pointer-events:none}.fixed-action .cta{pointer-events:auto}.legal-footer{padding:42px 34px 160px;background:#f7fbff;color:#5b6c80;font-size:16px;line-height:1.9}.legal-footer p{margin:0}.video-draft{margin:0 32px 34px;border:1px dashed #bdd5ed;background:linear-gradient(135deg,#f3f9ff,#fff);aspect-ratio:16/9;display:grid;place-items:center;text-align:center;border-radius:12px;padding:22px;color:#365b7b}.video-draft p{font-size:20px;font-weight:600;margin:12px 0}.video-draft small{font-size:15px}.draft-label{display:inline-block;font-size:13px;line-height:1.5;padding:3px 9px;background:#e6f1ff;color:#325d88;border-radius:5px}dialog{padding:0;border:1px solid #d8e5f4;border-radius:18px;width:min(440px,calc(100vw - 36px));color:#071b40;box-shadow:0 20px 70px #082a5940;z-index:30}dialog::backdrop{background:#091c4380}.dialog-content{padding:28px}.dialog-content h2{font-size:23px;margin:15px 0}.dialog-content p{font-size:16px;line-height:1.8}.close-dialog{font:inherit;min-height:46px;padding:10px 24px;background:#006ae9;color:#fff;border:0;border-radius:9px;cursor:pointer}.close-dialog:focus-visible{outline:3px solid #072c6d;outline-offset:3px}@media(max-width:600px){.image-section+.image-section{padding-top:12px}.review-bar{font-size:12px;gap:4px 12px;padding:10px 16px}.fixed-action{padding:22px 18px calc(10px + env(safe-area-inset-bottom))}.fixed-action .cta{max-width:344px}.inline-action{padding:12px 22px 24px}.legal-footer{padding:32px 24px 150px;font-size:15px}.video-draft{margin:0 20px 24px;padding:14px}.video-draft p{font-size:17px}.video-draft small{font-size:14px}.dialog-content{padding:25px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.cta{transition:none}.cta:hover{transform:none}}

.course-video{padding:0 20px 28px;background:#fff;scroll-margin-top:20px}.course-video h2{font-size:22px;line-height:1.5;text-align:center;margin:0;padding:10px 0 16px;color:#071b40}.course-video video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#101216;border-radius:10px;box-shadow:0 8px 28px #17375918}.course-video video:focus-visible{outline:3px solid #006ae9;outline-offset:4px}@media(max-width:600px){.course-video{padding:0 8px 24px}.course-video h2{font-size:19px;padding:8px 12px 14px}.course-video video{border-radius:6px}}

#intro-player-shell{background:#101216;border-radius:10px;overflow:hidden}
#intro-player-shell video{border-radius:10px;box-shadow:none}
.intro-status{margin:0;padding:12px 16px;background:#f2f7fd;color:#071b40;font-size:14px;line-height:1.6}
.intro-status[hidden]{display:none}
.intro-status button{margin-left:8px;font:inherit;min-height:44px;padding:6px 12px;border:1px solid #c8dcf1;border-radius:7px;background:#fff;color:#073e89;cursor:pointer}

.intro-link{text-align:center;margin:14px 0 0;font-size:15px;line-height:1.6}.intro-link a{color:#075ebd;text-underline-offset:4px}.watch-body{background:#edf4fb}.watch-page{width:100%;max-width:1280px;margin:0 auto;padding:24px 20px;min-height:100svh}.watch-page .course-video{padding:0}.watch-page video{max-height:calc(100svh - 190px);object-fit:contain}.watch-page h1{font-size:23px;line-height:1.5;text-align:center;margin:0;padding:8px 0 18px}.watch-page .intro-link{margin:18px 0}@media(max-width:600px){.watch-page{padding:16px 8px}.watch-page h1{font-size:19px}}

#intro-screen{position:relative;aspect-ratio:16/9;background:#101216}
#intro-display{display:block;width:100%;height:100%;aspect-ratio:16/9}
#intro-display[hidden]{display:none}
.canvas-ready #intro-player{position:absolute;inset:0;width:100%;height:100%;opacity:0;pointer-events:none}
.canvas-ready #intro-display{position:relative;z-index:1}
.intro-controls{display:flex;align-items:center;gap:8px;padding:8px 10px;background:#f2f7fd;color:#071b40}
.intro-controls[hidden]{display:none}
.intro-controls button{font:inherit;font-size:14px;min-height:44px;white-space:nowrap;border:1px solid #c8dcf1;border-radius:7px;background:#fff;color:#073e89;padding:6px 12px;cursor:pointer}
.intro-controls button[aria-pressed=true]{background:#dbeaff}
.intro-controls input{flex:1;width:0;min-width:32px;accent-color:#006ae9;height:44px}
.intro-controls output{font-size:13px;font-variant-numeric:tabular-nums;white-space:nowrap;min-width:76px}
.intro-controls :focus-visible{outline:3px solid #006ae9;outline-offset:2px}
#intro-player-shell.is-expanded{position:fixed;inset:0;z-index:1000;display:flex;flex-direction:column;justify-content:center;border-radius:0;background:#101216}
.is-expanded #intro-screen{width:min(100vw,calc((100svh - 64px)*16/9));margin:auto auto 0}
.is-expanded .intro-controls{margin:0 auto auto;width:100%;flex-shrink:0}
@media(max-width:600px){.intro-controls{gap:6px;padding:6px}.intro-controls button{font-size:12px;padding:6px 8px}.intro-controls output{font-size:11px;min-width:65px}}

.watch-page #intro-screen{width:min(100%,calc((100svh - 190px)*16/9));margin:auto}
.watch-page .is-expanded #intro-screen{width:min(100vw,calc((100svh - 64px)*16/9))}