body {
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
    font-family: Hiragino Kaku Gothic ProN, Meiryo, sans-serif;
}

span {
    display: inline-block;
}

/* ヘッダーここから */
header {
    background-color: #FFF;
    color: #00008B;
    position: fixed;
    z-index: 1000;
    width: 100%;
    /* height: 5vh; */
    margin-top: 0;
    padding: 15px 0;
    box-shadow: -5px 3px 10px -5px gray;
}

.header-logo {
    display: inline-block;
    margin-left: 5vw;
}

#sprix-logo {
    width: auto;
    height: 40px;
    vertical-align: middle;
}

.header-title {
    margin-left: 5px;
    font-size: 28px;
    font-weight: bold;
    vertical-align: middle;
    margin-left: 20px;
}

/* ヘッダーここまで */

.container {
    padding: 20px;
    padding-top: 10vh;
    margin-top: 0;
}

.content-area {
    display: block;
    width: 90vw;
    text-align: center;
    margin: 20px auto 0 auto;
}

.card {
    display: inline-block;
    width: 40%;
    min-width: 300px;
    max-height: 260px;
    margin: 1%;
    padding: 20px;
    background-color: #FFF;
    border-radius: 5px;
    border: #F4C8E3 1px solid;
    vertical-align: top;
}

.card-title {
    width: 25vw;
    min-width: 240px;
    height: 40px;
    font-size: 1.5em;
    font-weight: bold;
    color: #00008B;
    border-bottom: #FF0099 3px solid;
    margin: 0 auto;
}

.card-content {
    display: block;
    max-width: 590px;
    height: 20vh;
    font-size: 16px;
    color: #00008B;
    margin: 20px auto;
}

.content-button {
    position: relative;
    display: inline-block;
    width: 30vw;
    min-width: 240px;
    max-width: 300px;
    height: 50px;
    color: #FFF;
    background-color: #00008B;
    border-radius: 45px;
    border: none;
    text-decoration: none;
    box-shadow: 0 4px 6px gray;
    cursor: pointer;
    font-size: 16px;
    vertical-align: middle;
    margin: 20px auto;

}

.content-button::after {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 20px;
    margin: auto;
    content: "";
    vertical-align: middle;
    width: 0.8em;
    height: 0.8em;
    border-top: 2px solid #F4C8E3;
    border-right: 2px solid #F4C8E3;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}

.content-button:hover {
    background-color: #FF0099;
}