/* 選ばれる理由セクション */
.top-features {
    padding: 0;
    margin: 0;
    position: relative;
    overflow: hidden;
    scroll-margin-top: 72px;
}

.top-features-header {
    padding: 0 0 48px;
    text-align: left;
    position: relative;
    z-index: 2;
}

.top-features-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 16px;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.1s forwards;
}

.top-features-title {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--gray-800);
    margin: 0;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

.top-reasons-fullwidth {
    width: 100%;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.top-reasons-fullwidth > .container:first-child {
    padding-top: 80px;
}

.top-reasons-fullwidth::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    pointer-events: none;
    z-index: 0;
}

.top-reasons-list {
    display: flex;
    flex-direction: column;
    gap: 64px;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.top-reason-item {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    padding: 0;
    background-color: transparent;
    border-radius: 0;
    box-shadow: none;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: visible;
    opacity: 0;
    will-change: transform;
}

@keyframes slideInFade1 {
    from {
        opacity: 0;
        transform: translateX(-30px) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFade2 {
    from {
        opacity: 0;
        transform: translateX(-30px) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFade3 {
    from {
        opacity: 0;
        transform: translateX(-30px) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.top-reason-item:nth-child(1) {
    animation: slideInFade1 0.8s ease-out 0.2s forwards;
}

.top-reason-item:nth-child(1):not(:hover) {
    transform: translate3d(0, 0, 0);
}

.top-reason-item:nth-child(2) {
    animation: slideInFade2 0.8s ease-out 0.4s forwards;
}

.top-reason-item:nth-child(2):not(:hover) {
    transform: translate3d(0, 0, 0);
}

.top-reason-item:nth-child(3) {
    animation: slideInFade3 0.8s ease-out 0.6s forwards;
}

.top-reason-item:nth-child(3):not(:hover) {
    transform: translate3d(0, 0, 0);
}

.top-reason-item:nth-child(1):hover {
    transform: translate3d(0, 0, 0);
}

.top-reason-item:nth-child(2):hover {
    transform: translate3d(0, 0, 0);
}

.top-reason-item:nth-child(3):hover {
    transform: translate3d(0, 0, 0);
}

.top-reason-item:hover .top-reason-badge {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 16px rgba(42, 74, 173, 0.3);
}

.top-reason-item::before {
    display: none;
}

.top-reason-badge {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(42, 74, 173, 0.15);
    position: relative;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}

.top-reason-item:nth-child(1) .top-reason-badge {
    width: 80px;
    height: 80px;
    font-size: 12px;
}

.top-reason-item:nth-child(2) .top-reason-badge {
    width: 80px;
    height: 80px;
    font-size: 12px;
}

.top-reason-item:nth-child(3) .top-reason-badge {
    width: 80px;
    height: 80px;
    font-size: 12px;
}

.top-reason-badge::before {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.top-reason-badge::after {
    content: "";
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    opacity: 0.15;
    z-index: -2;
    filter: blur(6px);
}

.top-reason-item:hover .top-reason-badge::before {
    opacity: 0.3;
}

.top-reason-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.top-reason-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-800);
    margin: 0 0 12px 0;
    line-height: 1.3;
    transition: color 0.3s ease;
    position: relative;
}

.top-reason-item:nth-child(1) .top-reason-title {
    font-size: 24px;
}

.top-reason-item:nth-child(2) .top-reason-title {
    font-size: 24px;
}

.top-reason-item:nth-child(3) .top-reason-title {
    font-size: 24px;
}

.top-reason-title::after {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

.top-reason-item:hover .top-reason-title {
    color: var(--primary-color);
}

.top-reason-item:hover .top-reason-title::after {
    width: 80px;
}

.top-reason-text {
    color: var(--gray-700);
    line-height: 1.95;
    font-size: 16px;
    margin: 0;
    transition: color 0.3s ease;
}

.top-reason-item:nth-child(1) .top-reason-text {
    font-size: 16px;
    line-height: 1.95;
}

.top-reason-item:nth-child(2) .top-reason-text {
    font-size: 16px;
    line-height: 1.95;
}

.top-reason-item:nth-child(3) .top-reason-text {
    font-size: 16px;
    line-height: 1.95;
}

.top-reason-item:hover .top-reason-text {
    color: var(--gray-800);
}

.top-reason-text strong {
    color: var(--primary-color);
    font-weight: 700;
    position: relative;
}

.top-reason-item:hover .top-reason-text strong {
    text-shadow: 0 0 8px rgba(42, 74, 173, 0.3);
}