html, body {
    height: 100%;
/*    font-size: 36px; */
    font-size: 28px;
    font-weight: bolder;
    box-sizing: border-box;
/*    background: #000;
    color: #F00; */
}
body {
    display: flex;
    flex-direction: column;
    /* min-height: 100%; */
    font-family: "ＭＳ ゴシック",sans-serif;
    padding: 10px;
}
body * {
    line-height: 1.5em;
}
header > ul {
    display: flex;
    list-style-type: none;
}
header > ul > li {
    margin: 2px 8px;
}
footer {
    font-size: 16px;
    margin-top: auto;
    text-align: center;
}
h1 {
    margin: 20px;
    font-size: xx-large;
}
h2 {
    margin: 16px;
    font-size: x-large;
}
h3 {
    margin: 12px;
    font-size: 36px;
}

hr {
    border: none;
    height: 6px;
    background-color: #000000;
}

ul {
    line-height: 1.2em;
}

.introduction {
    margin: 40px 0px;
}

.result_question {
    background: #DDD;
}
.result_answer {
    margin-left: 30px;
}

.div_form > div {
    font-size: 24px;
    line-height: 2.2em;
/*    margin-left: 2em; */
}
.div_form > div {
    border-top: solid 1px #666;
}
.div_form > div:nth-of-type(even) {
    background: #fff4ea;
}

.dl_form {
    line-height: 2.4em;
}
.dl_form dt, .dl_form dd {
    border-top: solid 1px #666;
}
.dl_form dt:nth-of-type(even), .dl_form dd:nth-of-type(even) {
    background: #fff4ea;
}
.dl_form dd {
    padding: 0px 0px 0px 20px;
}

.customer_form label {
    display: inline-block;
    border: solid 1px #666;
    border-radius: .2em;
    padding: 2px 10px;
    margin: 5px;
    background: #FFF;
}
.customer_form label:has(input:checked) {
    background: #ffaaaa;
}

@media( min-width: 800px ){
    .dl_form {
        display: flex;
        flex-wrap: wrap;
    }   
    .dl_form dt {
        width: 55%;
    }   
    .dl_form dd {
        width: 42%;
    }   
}


#div_4read {
    font-size: 14px;
}
#div_4read h4 {
    font-size: 18px;
}

input {
    font-size: 32px;
    padding: 3px;
}
input:invalid {
        border: solid 2px #F00;
        background: #ffeaea;
}
input[type=checkbox] {
    width: 24px;
    height: 24px;
}
input[type="radio"] {
  width: 24px;
  height: 24px;
  margin: 8px;
}
select {
    font-size: 24px;
    height: 48px;
    padding: 5px;
}
button {
    font-size: 24px;
    height: 48px;
}

section#choose > div {
    margin-left: 40px;
    font-size: 28px;
}