/* CSS Document */

@keyframes slide {
	0% {
		-webkit-mask-size: 0% 100%;
		mask-size: 0% 100%;
	}
	100% {
		-webkit-mask-size: 100% 100%;
		mask-size: 100% 100%;
	}
}
@keyframes fadeInOut {
	0%{ opacity: 0; }
	5%{ opacity: 1; }
	95%{ opacity: 1; }
	100%{ opacity: 0; }
}

.slider {
    position: absolute;
    overflow: hidden;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}
.slider__item {
    overflow: hidden;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1
}
.slider__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
@supports (-webkit-mask-size : 100% 100%) {
    .slider__item img {
        -webkit-mask-size: 100% 100%;
        -webkit-mask-image: url(../images/common/mask.jpg);
        -webkit-mask-repeat: no-repeat;
        -webkit-mask-position: right center
    }
}
@supports (mask-size : 100% 100%) {
    .slider__item img {
        mask-size: 100% 100%;
        mask-image: url(../images/common/mask.jpg);
        mask-repeat: no-repeat;
        mask-position: right center
    }
}
.slider__item.pre {
    z-index: 2
}
.slider__item.now {
    z-index: 3
}
.slider__item.now img {
    animation: fadeInOut 8s linear forwards
}
@supports (-webkit-mask-size : 100% 100%) {
    .slider__item.now img {
        -webkit-mask-size: 100% 100%;
        animation: slide 2s cubic-bezier(0.4, 0, 0.2, 1) 0s forwards
    }
}
@supports (mask-size : 100% 100%) {
    .slider__item.now img {
        mask-size: 100% 100%;
        animation: slide 2s cubic-bezier(0.4, 0, 0.2, 1) 0s forwards
    }
}