h1 {text-align: center; 
    font-size: 100px;
    font-family: serif;
    color: white;
    text-shadow: #257899 9px 4px 3px;
    background: linear-gradient(150deg, #022a44 0%, #0b1926 60%,
    #979596 61%, #979596 63%, #9a920d 64%, #9a920d 100%);
}

h2 {font-size: 30px; text-align: center;}
h3 {text-align: center;}

table { margin-left: auto; margin-right: auto;
   font-size: 30px;
}

th {
  width: 150px;
  height: 35px;
  background-color: black;
  color: white;
}


div.line1 {
  border-top: dotted 5px;
  margin-top: 20px;
}

.janru {font-size: 30px}
.oki {font-size: 20px}
.kuwa {font-size: 20px}

.shu {font-size: 25px}
.saka {font-size: 20px}
.den {font-size: 30px}
.mira {font-size: 20px}

div.box {
display: flex;
justify-content: space-between;
text-align: center;
}

div.jan:nth-child(1) {width: 35vw;}
div.jan:nth-child(2) {width: 20vw;}
div.jan:nth-child(3) {width: 35vw;}