.bh-story-body{margin:0;background:#0c0a09;font-family:Inter,Noto Sans JP,sans-serif;overflow:hidden}.bh-stage{position:fixed;inset:0}.bh-slide{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:32px 24px;background:#fafaf9;color:#1c1917}.bh-slide.bh-active{display:flex;animation:bh-slide-in .45s ease-out}@keyframes bh-slide-in{0%{opacity:0;transform:scale(.97)}to{opacity:1;transform:none}}.bh-kicker{font-size:15px;letter-spacing:.18em;text-transform:uppercase;color:#78716c;margin:0 0 16px}.bh-big{font-size:clamp(44px,9vw,88px);font-weight:800;margin:0;line-height:1.1}.bh-mid{font-size:clamp(26px,5.5vw,44px);font-weight:800;margin:0;line-height:1.5}.bh-sub{font-size:17px;color:#57534e;margin:14px 0 0}.bh-note{font-size:12px;color:#a8a29e;margin:18px 0 0}.bh-slide-space{background:#0c0a09}.bh-on-dark{color:#fafaf9}.bh-slide-space .bh-kicker{color:#a8a29e}.bh-slide-space .bh-sub{color:#d6d3d1}.bh-heart{font-size:56px;animation:bh-pulse .86s ease-in-out infinite;margin-bottom:8px}@keyframes bh-pulse{0%,to{transform:scale(1)}14%{transform:scale(1.25)}28%{transform:scale(1)}42%{transform:scale(1.18)}}.bh-twinkle{font-size:48px;margin:0 0 10px;animation:bh-twinkle 1.8s ease-in-out infinite}@keyframes bh-twinkle{0%,to{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.88)}}.bh-orbit{position:relative;width:180px;height:180px;margin-bottom:20px}.bh-sun{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:44px}.bh-earth{position:absolute;left:50%;top:0;font-size:22px;transform-origin:0 90px;animation:bh-orbit-spin 6s linear infinite}@keyframes bh-orbit-spin{0%{transform:rotate(0) translate(-50%)}to{transform:rotate(360deg) translate(-50%)}}.bh-gem{width:110px;height:110px;border-radius:50%;box-shadow:0 18px 60px #00000040,inset 0 2px 14px #ffffff90;margin-bottom:22px}.bh-card-preview{width:min(200px,38vw);height:auto;aspect-ratio:1080 / 1920;border-radius:14px;box-shadow:0 18px 50px #0000004d;margin:6px 0 18px}.bh-weeks-mini{width:min(320px,78vw);height:132px;margin-bottom:22px;position:relative;overflow:hidden;border-radius:8px;background:repeating-linear-gradient(to right,#e7e5e4 0 8px,transparent 8px 12px),repeating-linear-gradient(to bottom,#e7e5e4 0 8px,transparent 8px 12px)}.bh-weeks-mini span{position:absolute;inset:0 auto 0 0;display:block;background:repeating-linear-gradient(to right,#1c1917 0 8px,transparent 8px 12px),repeating-linear-gradient(to bottom,#1c1917 0 8px,transparent 8px 12px);animation:bh-weeks-grow 1.4s ease-out}@keyframes bh-weeks-grow{0%{width:0}}.bh-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.bh-btn{padding:10px 16px;border-radius:10px;background:#e7e5e4;color:#1c1917;font-size:14px;font-weight:600;text-decoration:none}.bh-btn-dark{background:#1c1917;color:#fff}.bh-detail-link{display:inline-block;margin-top:16px;font-size:14px;color:#78716c;text-decoration:underline}.bh-progress{position:fixed;top:10px;left:12px;right:12px;display:flex;gap:5px;z-index:20}.bh-progress-seg{flex:1;height:3px;background:#0002;border-radius:99px;overflow:hidden}.bh-slide-space~* .bh-progress-seg{background:#fff3}.bh-progress-fill{display:block;height:100%;width:0;background:#1c1917cc;border-radius:99px}.bh-progress-seg.bh-done .bh-progress-fill{width:100%}.bh-progress-seg.bh-current .bh-progress-fill{animation:bh-fill var(--bh-dur, 6s) linear forwards}@keyframes bh-fill{0%{width:0}to{width:100%}}.bh-close{position:fixed;top:22px;right:14px;z-index:30;font-size:20px;color:#57534e;text-decoration:none;padding:8px}.bh-tap{position:fixed;top:0;bottom:0;width:34%;background:none;border:none;cursor:pointer;z-index:10}.bh-last-slide .bh-tap-next{display:none}.bh-last-slide .bh-tap-prev{top:auto;height:30%}.bh-actions,.bh-detail-link{position:relative;z-index:15}.bh-tap-prev{left:0}.bh-tap-next{right:0;width:66%}@media(prefers-reduced-motion:reduce){.bh-slide.bh-active,.bh-heart,.bh-earth,.bh-twinkle,.bh-progress-seg.bh-current .bh-progress-fill{animation:none!important}.bh-progress-seg.bh-current .bh-progress-fill{width:30%}}