.blinking_btn {
    animation: blinking 1s ease infinite alternate;
    background-color: #00269e;
    color: #ffffff;
    display: block;
    font-family: serif;
    font-size: 22px;
    font-weight: bold;
    line-height: 1;
    padding: 0.5em 0.5em;
    width: 670px;
}

@keyframes blinking {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

.dosospan {
    color: #003590;
    font-family: serif;
    font-size: 22px;
    font-weight: bold;
}

.topmargin {
    margin-top: 0px;
}

. .dosokai {
    display: inline-flex;
    margin-left: 0px;
    margin-top: 10px;
}

.sen1 {
    margin-left: -80px;
}

.seniti2 {
    margin-left: -10px;
}

.dosoannai {
    display: inline-flex;
    margin-left: -70px;
    margin-top: -50px;
}

.dosokaikei {
    display: inline-flex;
    margin-left: -100px;
    margin-top: -200px;
}

.dosokaikei a {
    background-color: #006699;
    border: 2px solid #ffffff;
    border-radius: 6px;
    box-shadow: 0px 0px 0px 4px #0c197a;
    box-sizing: border-box;
    color: #fff;
    display: inline-block;
    font-family: serif;
    font-size: 20px;
    font-weight: bold;
    height: 35px;
    line-height: 28px;
    margin: 10px;
    text-align: center;
    text-decoration: none;
    width: 150px;
}

.dosokaikei a:hover {
    background-color: #c28ef6;
}

dosokai {
    display: inline-flex;
    margin-left: 0px;
    margin-top: 0px;
}

.dosokai a {
    background-color: #006699;
    border: 2px solid #ffffff;
    border-radius: 6px;
    box-shadow: 0px 0px 0px 4px #0c197a;
    box-sizing: border-box;
    color: #fff;
    display: inline-block;
    font-family: serif;
    font-size: 20px;
    font-weight: bold;
    height: 35px;
    line-height: 28px;
    margin: 10px;
    text-align: center;
    text-decoration: none;
    width: 150px;
}

.dosokai a:hover {
    background-color: #c28ef6;
}

.dosoannai a {
    background-color: #006699;
    border: 2px solid #ffffff;
    border-radius: 6px;
    box-shadow: 0px 0px 0px 4px #0c197a;
    box-sizing: border-box;
    color: #fff;
    display: inline-block;
    font-family: serif;
    font-size: 20px;
    font-weight: bold;
    height: 35px;
    line-height: 28px;
    margin: 10px;
    text-align: center;
    text-decoration: none;
    width: 150px;
}

.dosoannai a:hover {
    background-color: #c28ef6;
}

.dosomenu1 {
    display: inline-flex;
    margin-left: -20px;
    width: 180px;
}

.dosomenu1 a {
    background-color: #7c23a3;
    border: 2px solid #ffffff;
    border-radius: 6px;
    box-shadow: 0px 0px 0px 4px #0c197a;
    box-sizing: border-box;
    color: #fff;
    display: inline-block;
    display: block;
    font-family: serif;
    font-size: 19px;
    font-weight: bold;
    height: 40px;
    line-height: 40px;
    text-align: center;
    text-decoration: none;
    width: 200px;
}

.dosomenu {
    display: inline-flex;
    margin-left: -20px;
    width: 180px;
}

.dosomenu a {
    background-color: #7c23a3;
    border: 2px solid #ffffff;
    border-radius: 6px;
    box-shadow: 0px 0px 0px 4px #0c197a;
    box-sizing: border-box;
    color: #fff;
    display: inline-block;
    display: block;
    font-family: serif;
    font-size: 19px;
    font-weight: bold;
    height: 40px;
    line-height: 40px;
    text-align: center;
    text-decoration: none;
    width: 200px;
}

.dosogo {
    color: #ff0000;
    font-family: serif;
    font-size: 24px;
    font-weight: bold;
    line-height: 3;
}

.hyoiti table style {
    top: -200px;
}

.hyoiti {
    top: -200px;
}

.menyuiti div {
    top: -400px;
}

body {
    font-family: serif;
    margin: auto;
    width: 700px;
}

.gaku {
    border: 20px ridge #3366ff;
    height: 400px;
    margin: auto;
    width: 600px;
}

.koji p {
    background-color: #9999ff;
    font-family: serif;
    font-size: 20px;
}

.gazoiti {
    height: 80px;
    left: 300px;
    position: relative;
    top: 40px;
    width: 80px;
}

.gazoiti img {
    left: 220px;
    opacity: 0.5;
    top: 50px;
    width: 180%;
}

.gazoiti2 {
    height: 300px;
    left: 50px;
    margin: 0px;
    position: relative;
    top: -595px;
    width: 550px;
}

.gazoiti2 img {
    left: 220px;
    top: 50px;
    width: 180%;
}

.gazoiti3 {
    height: 300px;
    left: 120px;
    margin: 0px;
    position: relative;
    top: -520px;
    width: 500px;
}

.gazoiti3 img {
    left: 220px;
    top: 50px;
    width: 80%;
}

.btn {
    display: inline-block;
    font-family: serif;
    height: 30px;
    justify-content: space-around;
    line-height: 28px;
    margin-left: 10px;
    padding: 4px;
    text-align: center;
    width: 110px;
}

.btn a {
    background: #006699;
    border: 1px solid #ffffff;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
    box-shadow: 0px 0px 0px 4px #0c197a;
    color: #ffffff;
    display: block;
    font-family: serif;
    font-size: 20px;
    font-weight: bold;
    height: 100%;
    text-align: center;
    text-decoration: none;
    width: 100%;
}

.btn a:hover {
    background: #cc99ff;
    border: 1px solid #ffffff;
    box-shadow: 0px 0px 0px 4px #0c197a;
    color: #ffffff;
    margin-left: 0px;
    margin-top: 0px;
}

.botan {
    display: inline-block;
    font-family: serif;
    height: 30px;
    justify-content: space-around;
    line-height: 28px;
    margin-left: 10px;
    padding: 4px;
    text-align: center;
    top: -200px;
    width: 110px;
}

.botan a {
    background: #006699;
    border: 1px solid #ffffff;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
    box-shadow: 0px 0px 0px 4px #0c197a;
    color: #ffffff;
    display: block;
    font-family: serif;
    font-size: 20px;
    font-weight: bold;
    height: 100%;
    text-align: center;
    text-decoration: none;
    width: 100%;
}

.botan a:hover {
    background: #cc99ff;
    border: 1px solid #ffffff;
    box-shadow: 0px 0px 0px 4px #0c197a;
    color: #ffffff;
    margin-left: 0px;
    margin-top: 0px;
}

.botaniti div {
    top: -800px;
}

.btn1 {
    font-family: serif;
    height: 30px;
    justify-content: space-around;
    line-height: 30px;
    padding: 4px;
    text-align: center;
    width: 150px;
}

.btn1 a {
    background: #8000ff;
    border: 1px solid #ffffff;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
    box-shadow: 0px 0px 0px 4px #0c197a;
    color: #ffffff;
    display: block;
    font-family: serif;
    font-size: 20px;
    font-weight: bold;
    height: 100%;
    text-align: center;
    text-decoration: none;
    width: 100%;
}

a.custom_but {
    background-color: #2d4d59;
    border-radius: 0px;
    box-shadow: 0 3px 0 #0f2f3b;
    color: white;
    display: inline-block;
    font-size: 16px;
    font-weight: normal;
    padding: 0px 0px;
    position: relative;
    text-align: center;
    text-decoration: none;
}

a.custom_but:hover {
    opacity: 0.6;
}

a.custom_but:active {
    box-shadow: none;
    top: 3px;
}

button {
    background: #d13415;
    border: 1px solid;
    color: #fff;
    cursor: pointer;
    display: inline-block;
    margin: auto;
    padding: 10px 30px;
    text-align: center;
}

div {
    text-align: center;
}