:root {
    --basic: #082157;
    --red: #bd1f1f;
    --back-beige: #ececec;
    --back-blue: #283b5d;
}

body {
    background: #fff;
    margin: 0;
    padding: 0;
    color: var(--basic);
}
h2 {
    font-size: 28px;
    text-align: center;
    margin: 0;
    padding: 0;
}
@media screen and (min-width: 0px) and (max-width: 599px) {
    h2 {
        font-size: 20px;
    }
}

a {
    -webkit-transition: all .2s linear;
    transition: all .2s linear;
    transition: all .2s linear
}

p {
    margin: 0;
    font-size: 15px;
}

img {
    width: 100%;
    height: auto;
}

ul {
    margin: 0;
    padding: 0;
}
li {
    list-style: none;
}

.br-sp {
    display: none;
    @media screen and (max-width: 599px) {
     display: block;   
    }
}

.br-pc {
    display: block;
    @media screen and (max-width: 599px) {
        display: none;   
       }
}



a.btn {
    font-weight: bold;
    color: #fff;
    font-size: 30px;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    display: block;
    width: 80%;
    max-width: 700px;
    margin: 0 auto;
    padding: 25px 0;
    background: var(--red);
    border-radius: 5px;
    position: relative;
    box-shadow: 0px 5px 20px 0px rgba(0, 0, 0, 0.15);
    &:hover {
        transform: translateY(5px);
        -webkit-box-shadow: none;
        box-shadow: none
    }
    &:after {
        content: '';
        background: url("../img/arrow.webp") no-repeat;
        display: block;
        width: 30px;
        height: 30px;
        position: absolute;
        top: 50%;
        right: 20px;
        transform: translateY(-50%);
        -webkit-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
    }
    @media screen and (max-width: 599px) {
        width: 90%;
        &::after {
            background-size: contain;
            width: 20px;
            height: 20px;
        }
    }
}
a.btn-flash {
    overflow: hidden;
}
a.btn-flash::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(130deg, rgba(255, 255, 255, 0) 20%, rgba(255, 255, 255, 0.5) 50%, rgba(255, 255, 255, 0) 80%);
    transition: .5s;
}
a.btn-flash:hover::before {
    top: 0;
    left: 100%;
  }

@media screen and (min-width: 0px) and (max-width: 599px) {
    a.btn {
        font-size: 24px;
        line-height: 1;
    }
}