document.addEventListener("DOMContentLoaded", function () { const slides = document.querySelectorAll(".top-slide"); const cover = document.querySelector(".cover-split"); let current = 0; function nextSlide() { slides[current].classList.remove("active"); current = (current + 1) % slides.length; slides[current].classList.add("active"); setTimeout(() => { slides.forEach((s, i) => { if (i !== current) s.classList.remove("active"); }); setTimeout(nextSlide, 4000); }, 2000); } // 最初のパカーン演出 setTimeout(() => { cover.classList.add("open"); setTimeout(() => { cover.style.display = "none"; slides[0].classList.add("active"); setTimeout(nextSlide, 4000); }, 1600); }, 1000); });