.intro_context {
    margin-top: 40px;
}
@media only screen and (min-width: 768px) {
    .intro_context {
        margin-top: 73px;
    }
}
.intro_txt {
    font-weight: 300;
    line-height: 2.25;
    letter-spacing: 0.025em;
}
.intro_more {
    margin-top: 40px;
}
@media only screen and (min-width: 768px) {
    .intro_more {
        margin-top: 50px;
    }
}
.intro .form {
    border: 1px solid #999;
    margin-top: 13px;
}
.intro .form_area {
    width: 100%;
    margin-top: 40px;
}
@media only screen and (min-width: 768px) {
    .intro .form_area {
        max-width: 996px;
        margin-top: 87px;
        margin-left: auto;
        margin-right: auto;
    }
}
.intro .form_leading {
    font-weight: 300;
    letter-spacing: 0.025em;
    line-height: 2.25;
}
.intro .form_row {
    display: flex;
    flex-direction: column;
    border-top: 1px solid #999;
}
@media only screen and (min-width: 768px) {
    .intro .form_row {
        flex-direction: row;
    }
}
.intro .form_row:nth-child(1) {
    border-top: 0;
}
.intro .form_tag {
    width: 100%;
    border-bottom: 1px solid #999;
    font-weight: 300;
    letter-spacing: 0.025em;
    padding: 11px;
}
@media only screen and (min-width: 768px) {
    .intro .form_tag {
        width: 277px;
        border-bottom: 0;
        padding: 14px 12px 10px 38px;
    }
}
.intro .form_tag:has(label) {
    background-color: #e1e1e1;
}
@media only screen and (min-width: 768px) {
    .intro .form_tag:has(label) {
        border-right: 1px solid #999;
    }
}
.intro .form_tag:not(:has(label)) {
    display: none;
}
@media only screen and (min-width: 768px) {
    .intro .form_tag:not(:has(label)) {
        display: block;
    }
}
.intro .form_input {
    width: 100%;
    padding: 11px;
}
@media only screen and (min-width: 768px) {
    .intro .form_input {
        width: calc(100% - 277px);
        padding: 11px 24px;
    }
}
.intro .form_input:has(button) {
    display: flex;
    justify-content: center;
}
@media only screen and (min-width: 768px) {
    .intro .form_input:has(button) {
        display: block;
    }
}
.intro .form_input textarea,
.intro .form_input input[type="email"],
.intro .form_input input[type="text"] {
    width: 100%;
    display: block;
    height: 30px;
    font-size: 1.6rem;
    outline: 0;
    border: 1px solid #ccc;
    resize: none;
}
@media only screen and (min-width: 768px) {
    .intro .form_input textarea,
    .intro .form_input input[type="email"],
    .intro .form_input input[type="text"] {
        width: 320px;
        padding: 0px 12px;
    }
}
.intro .form_input textarea {
    height: 180px;
}
@media only screen and (min-width: 768px) {
    .intro .form_input textarea {
        width: 100%;
        height: 250px;
        margin-bottom: 21px;
        padding: 12px;
    }
}
.intro .form_input button[type="submit"] {
    width: 150px;
    height: 40px;
    letter-spacing: 0.5em;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #999;
    padding-left: 9px;
}
@media only screen and (min-width: 768px) {
    .intro .form_input button[type="submit"] {
        margin-top: 4px;
        margin-bottom: 4px;
        transition: opacity 150ms linear;
        cursor: pointer;
    }
    .intro .form_input button[type="submit"]:hover {
        opacity: 0.6;
    }
}