.wrap690 {
  width: 690px;
  margin-left: auto;
  margin-right: auto;
}

.feature {
	line-height: 1.5;
}
.chairman {
    display: flex;
    justify-content: flex-start;
    align-items: flex-end;
    gap: 10px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 1em;
	margin-bottom: 1em;
    text-align: left;
}
.chairman img {
    width: 170px;
    height: auto;
}

.chairman span {
    font-size: 1.2em;
}

.salutation p {
    text-indent: 1em;
    /*margin-bottom: 1em;*/
    padding: 0 .5em;
    line-height: 1.6;
    text-align: justify;
}
@media screen and (max-width:640px) {
    .chairman {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}