.case-study--hyakki .case-cover{aspect-ratio:16/10}.case-study--hyakki .case-title{line-height:1.2}.hyakki-subtitle{color:var(--muted);font-family:var(--font-mono);letter-spacing:.12em;margin:16px 0 0;font-size:12px}.hyakki-experience{gap:max(64px,min(10vw,120px));margin-bottom:max(72px,min(10vw,120px));display:grid}.hyakki-section{min-width:0;scroll-margin-top:112px}.hyakki-kicker{color:var(--accent);font-family:var(--font-mono);letter-spacing:.12em;margin:0 0 16px;font-size:11px;line-height:1.7}.hyakki-section h2{font-family:var(--font-mincho);text-wrap:balance;margin:0;font-size:max(26px,min(4vw,44px));font-weight:700;line-height:1.5}.hyakki-section__intro{max-width:70ch;color:var(--muted);margin:20px 0 28px;font-size:16px;line-height:1.9}.hyakki-video{aspect-ratio:16/10;border:1px solid var(--line);background:#171c2d;width:100%;height:auto;display:block}.hyakki-play__stage{isolation:isolate;aspect-ratio:16/10;border:1px solid var(--line);background:#171c2d;width:100%;position:relative;overflow:hidden}.hyakki-play__stage iframe{border:0;width:100%;height:100%;display:block}.hyakki-play__stage iframe:-webkit-full-screen{background:#171c2d;width:100vw;height:100dvh}.hyakki-play__stage iframe:fullscreen{background:#171c2d;width:100vw;height:100dvh}.hyakki-play__poster{object-fit:cover;opacity:.46;width:100%;height:100%;display:block}.hyakki-play__launch{text-align:center;background:linear-gradient(transparent,rgba(23,28,45,.533));flex-direction:column;justify-content:center;align-items:center;gap:22px;padding:24px;display:flex;position:absolute;top:0;bottom:0;left:0;right:0}.hyakki-play__number{color:#fff3ce;font-family:var(--font-display);letter-spacing:.1em;font-size:max(36px,min(8vw,80px));line-height:1}.hyakki-play__button{color:#171c2d;cursor:pointer;background:#efd8a3;border:1px solid #efd8a3;justify-content:center;align-items:center;gap:12px;min-height:52px;padding:15px 24px;font-size:15px;font-weight:700;line-height:1.6;text-decoration:none;transition:background-color .18s;display:inline-flex}.hyakki-play__button:hover{background:#fff3ce}.hyakki-play__toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;margin-top:14px;display:flex}.hyakki-play__actions{flex-wrap:wrap;gap:10px;display:flex}.hyakki-play__actions button{border:1px solid var(--line);min-height:44px;color:var(--ink);background:var(--surface);cursor:pointer;padding:9px 16px;font-size:13px}.hyakki-play__actions button:hover{border-color:var(--ink)}.hyakki-inline-link{min-height:44px;color:var(--ink);text-underline-offset:5px;text-decoration:underline;-webkit-text-decoration-color:var(--line);text-decoration-color:var(--line);align-items:center;gap:10px;font-size:14px;display:inline-flex}.hyakki-inline-link:hover{-webkit-text-decoration-color:currentColor;text-decoration-color:currentColor}.hyakki-note{color:var(--muted);margin:10px 0 0;font-size:14px;line-height:1.8}.hyakki-note a{text-underline-offset:3px;text-decoration:underline}.hyakki-controls__title{font-family:var(--font-mincho);margin:42px 0 18px;font-size:23px}.hyakki-controls{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(3,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid}.hyakki-controls li{padding:26px 24px}.hyakki-controls li:first-child{padding-left:0}.hyakki-controls li+li{border-left:1px solid var(--line)}.hyakki-controls li>span{color:var(--accent);font-family:var(--font-mono);font-size:12px}.hyakki-controls h4{margin:10px 0 12px;font-size:18px}.hyakki-controls p{color:var(--muted);margin:0;font-size:14px;line-height:1.9}.hyakki-credits{border-top:1px solid var(--line);padding-top:40px}.hyakki-credits dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;margin:0 0 22px;display:grid}.hyakki-credits dt{color:var(--muted);margin-bottom:9px;font-size:12px}.hyakki-credits dd{margin:0;font-size:14px;line-height:1.9}.hyakki-credits dd>span{color:var(--muted);font-size:12px;display:block}.hyakki-credits dd a{text-underline-offset:5px;text-decoration:underline;-webkit-text-decoration-color:var(--line);text-decoration-color:var(--line)}.hyakki-mobile-only{display:none}@media (max-width:1023px){.hyakki-desktop-only{display:none}.hyakki-mobile-only{display:inline-flex}p.hyakki-mobile-only{display:block}}@media (max-width:640px){.hyakki-controls{grid-template-columns:minmax(0,1fr)}.hyakki-controls li,.hyakki-controls li:first-child{padding:22px 0}.hyakki-controls li+li{border-left:0;border-top:1px solid var(--line)}.hyakki-controls p{font-size:15px}.hyakki-credits dl{grid-template-columns:minmax(0,1fr)}.hyakki-play__launch{gap:14px;padding:18px}.hyakki-play__button{padding:12px 16px;font-size:13px}.hyakki-play__number{font-size:38px}}@media (prefers-reduced-motion:reduce){.hyakki-play__button{transition:none}}