/* LINEログイン用スタイル */
.btn-container {
    width: 100% !important;
    max-width: 280px !important;
    margin: 0 auto !important;
}

.btn-container .btn-primary,
.btn-container .btn-google,
.btn-container .btn-line {
    width: 100% !important;
    max-width: 100% !important;
}

.btn-container .btn-line.lineGreen {
    background: linear-gradient(45deg, #06C755, #00b900) !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: 30px !important;
    padding: 14px 30px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    letter-spacing: 0.5px !important;
    cursor: pointer !important;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 20px auto !important;
    width: 100% !important;
    position: relative !important;
    box-shadow: 0 10px 20px rgba(6, 199, 85, 0.4), 0 0 15px rgba(6, 199, 85, 0.3) !important;
    overflow: hidden !important;
    z-index: 1 !important;
    text-align: center !important;
    height: 50px !important;
}

.btn-container .btn-line.lineGreen::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: -100% !important;
    width: 100% !important;
    height: 100% !important;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent) !important;
    transition: 0.6s !important;
    z-index: -1 !important;
}

.btn-container .btn-line.lineGreen::after {
    content: '' !important;
    position: absolute !important;
    inset: 0 !important;
    background: linear-gradient(45deg, #06C755, #00b900, #04a745, #06C755) !important;
    background-size: 400% !important;
    z-index: -2 !important;
    filter: blur(5px) !important;
    opacity: 0 !important;
    transition: opacity 0.4s ease !important;
    border-radius: 30px !important;
}

.btn-container .btn-line.lineGreen:hover {
    transform: translateY(-5px) scale(1.03) !important;
    box-shadow: 0 15px 30px rgba(6, 199, 85, 0.5), 0 0 30px rgba(6, 199, 85, 0.4) !important;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5) !important;
}

.btn-container .btn-line.lineGreen:hover::before {
    left: 100% !important;
}

.btn-container .btn-line.lineGreen:hover::after {
    opacity: 1 !important;
    animation: animate-glow-line 4s linear infinite !important;
}

@keyframes animate-glow-line {
    0% {
        background-position: 0 0;
    }
    50% {
        background-position: 400% 0;
    }
    100% {
        background-position: 0 0;
    }
}

.btn-container .btn-line.lineGreen .iconLine {
    position: relative !important;
    padding-left: 32px !important;
    font-size: 16px !important;
    display: inline-flex !important;
    align-items: center !important;
    color: #ffffff !important;
    font-weight: 600 !important;
}

.btn-container .btn-line.lineGreen .iconLine:before {
    content: '' !important;
    position: absolute !important;
    left: 0 !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 24px !important;
    height: 24px !important;
    background-image: url('../svg/line-wh.svg') !important;
    background-size: contain !important;
    background-repeat: no-repeat !important;
    transition: transform 0.3s ease !important;
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.8)) !important;
}

.btn-container .btn-line.lineGreen:hover .iconLine {
    color: #ffffff !important;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.7) !important;
}

@media (max-width: 480px) {
    .btn-container {
        max-width: 240px !important;
    }

    .btn-container .btn-line.lineGreen {
        padding: 12px 20px !important;
        font-size: 14px !important;
        height: 46px !important;
    }

    .btn-container .btn-line.lineGreen .iconLine {
        font-size: 14px !important;
        padding-left: 28px !important;
    }

    .btn-container .btn-line.lineGreen .iconLine:before {
        width: 20px !important;
        height: 20px !important;
    }
}