/* LINEログインボタン(LINEログインガイドライン準拠) */
.line-login-button-custom {
    display: inline-flex;
    align-items: center;
    background-color: #06C755;
    color: #FFFFFF;
    text-decoration: none;
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 18px;
    font-weight: bold;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: none;
    border: 1px solid #06C755;
}

.line-login-button-custom::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000000;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
    z-index: 1;
}

.line-login-button-custom:hover::before {
    opacity: 0.1;
}

.line-login-button-custom:active::before {
    opacity: 0.3;
}

.line-login-button-custom .line-icon {
    width: 30px;
    height: 30px;
    margin-right: 10px;
    position: relative;
    z-index: 2;
}

.line-login-button-custom .button-text {
    position: relative;
    z-index: 2;
}

.line-login-container {
    display: flex;
    justify-content: center;
    align-items: center;
}