html {
    scroll-behavior: smooth;
}

table{
    width: 100%;
    border-collapse: collapse;
}

table tr{
    border-bottom: solid 2px white;
}

table tr:last-child{
    border-bottom: none;
}

table th{
    position: relative;
    text-align: left;
    width: 20%;
    background-color: silver;
    color: white;
    text-align: center;
    padding: 10px 0;
}

table th:after{
    display: block;
    content: "";
    width: 0px;
    height: 0px;
    position: absolute;
    top:calc(50% - 5px);
    right:-5px;
    border-left: 5px solid silver;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

table td{
    text-align: left;
    width: 80%;
    text-align: left;
    background-color: #eee;
}

.detail table td{
    padding: 20px;
}

.button {
    position: relative;
    display: inline-block;
    font-family: "Noto Sans Japanese";
    font-weight: bold;
    line-height: 1.5;
    padding: 5px 30px 5px 50px;
    transition: 0.3s;
    text-decoration: none;
    color: #fff;
    border-radius: 0.5rem;
    background: orange;
    box-shadow: 0 5px 0 orangered;
    margin-left: 10px;
}

.button p {
    margin: 0;
    color: white ;
}

.button .btn_balloon {
    position: absolute;
    display: inline-block;
    bottom: 0.8em;
    left: -10px;
    width: 5em;
    height: 5em;
    font-family: "Noto Sans Japanese";
    line-height: 5em;
    text-align: center;
    color: orange;
    font-size: 70%;
    font-weight: bold;
    background: #fff;
    border: 3px solid orange;
    border-radius: 50%;
    box-sizing: border-box;
    transform: rotate(-10deg);
}

.button .btn_balloon::before {
    position: absolute;
    content: "";
    bottom: -5px;
    right: -10px;
    border: 9px solid transparent;
    border-left: 15px solid #FFF;
    z-index: 0;
    transform: rotate(45deg);
}

.button:hover {
    transform: translate(0, 3px);
    background: orange;
    box-shadow: 0 2px 0 orangered;
}