html, body {
    overflow-x: hidden;
}

body {
    background-color: #FAFAFA;
    color: #111111;
    -webkit-font-smoothing: antialiased;
}

@keyframes slowZoom {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.1);
    }
}

.hero-bg-img {
    animation: slowZoom 20s ease-in-out infinite alternate;
}

::selection {
    background-color: #00B894;
    color: white;
}

.img-reveal-container {
    position: relative;
    overflow: hidden;
}

.img-reveal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #FAFAFA;
    z-index: 10;
}

.hover-underline {
    position: relative;
    text-decoration: none;
}

.hover-underline::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: currentColor;
    transform-origin: bottom right;
    transition: transform 0.3s cubic-bezier(0.86, 0, 0.07, 1);
}

.hover-underline:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.invisible-until-scroll {
    opacity: 0;
    visibility: hidden;
}

.text-outline {
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.6);
}

.text-outline-dark {
    color: transparent;
    -webkit-text-stroke: 1px rgba(0, 184, 148, 0.2);
}

.btn-view-more {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 0.5rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    overflow: hidden;
}

.btn-view-more::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.86, 0, 0.07, 1);
}

.btn-view-more:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-view-more i {
    transition: transform 0.4s cubic-bezier(0.86, 0, 0.07, 1);
}

.btn-view-more:hover i {
    transform: translateX(5px);
}

@keyframes scrollLine {
    0% {
        top: -100%;
    }
    100% {
        top: 100%;
    }
}

/* ハンバーガーボタンのアニメーション */
#menu-btn.active span:nth-child(1) {
    transform: translateY(3.5px) rotate(45deg);
}
#menu-btn.active span:nth-child(2) {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* メニュー展開時はボタンの線を常に白にする */
#menu-btn.active span {
    background-color: #FAFAFA !important;
}