html{scroll-behavior:smooth}#about,#benefits,#cases,#contact,#faq,#flow{scroll-margin-top:24px}:root{--cast-black:#000;--cast-text:#1e1e1e;--cast-yellow:#ffc827;--cast-yellow-dark:#fcca00;--cast-bg-about:#f4f5f9;--cast-bg-flow:#e8eaf0;--cast-bg-cta-gray:#6a717d;--cast-white:#fff;--cast-font:"Noto Sans JP",sans-serif;--cast-font-num:"Inter",sans-serif}@media (max-width:768px){.cast-header__buttons{display:none}}.cast-btn{align-items:center;border-radius:4px;display:inline-flex;font-family:var(--cast-font);font-weight:700;justify-content:center;text-decoration:none;white-space:nowrap}.cast-btn--sm{font-size:16px;height:44px;letter-spacing:1.6px;padding:0 32px}.cast-btn--lg{font-size:20px;height:56px;letter-spacing:2px;padding:0 32px}.cast-btn--xl{border-radius:16px;font-size:28px;height:100px;letter-spacing:3.6px;padding:0 40px}.cast-btn--outline{background:var(--cast-white);border:1px solid var(--cast-black);color:var(--cast-black)}.cast-btn--outline.cast-btn--xl{border-width:2px}.cast-btn--solid{background:var(--cast-black);border:1px solid var(--cast-black);color:var(--cast-yellow)}.cast-btn--yellow{background:var(--cast-yellow);border:none;color:var(--cast-black)}.cast-header{align-items:center;background:#fffaf0;box-sizing:border-box;display:flex;height:80px;justify-content:space-between;padding:24px 40px;position:relative;z-index:10}.cast-header__logo{align-items:center;display:inline-flex;text-decoration:none}.cast-header__logo img{display:block;height:32px;width:auto}.cast-header__logo-text{color:var(--cast-black);font-family:var(--cast-font);font-size:28px;font-weight:700}.cast-header__buttons{align-items:center;display:flex;gap:24px}@media (max-width:768px){.cast-header{height:auto;padding:24px}.cast-header__logo img{height:24px}.cast-header__logo-text{font-size:22px}.cast-header__buttons{gap:12px}.cast-btn--sm{font-size:14px;height:38px;letter-spacing:1.4px;padding:0;width:88px}}