.sp #wrapper {
    width: auto;
    max-width: 960px;
}
.sp header {
    width: auto;
    max-width: 960px;
}
.sp #gnav ul {
    display: flex;
    width: auto;
    max-width: 960px;
}
.sp #gnav ul li {
    box-sizing: border-box;
    display: block;
    width: calc(100% / 6);
}
#main {
    float: none;
    width: auto;
}
.sp #fwrapper {
    width: auto;
    max-width: 940px;
}
.sp #fwrapper dl dt {
    width: auto;
    max-width: 353px;
}