.mainbox {
    width: 1280px;
}
.secban {
    margin-top: 20px;
}
.secban img {
    width: auto;
    height: auto;
    margin: 0 auto;
}

.timeline {
    width: 100%;
    height: 140px;
    margin-top: 80px;
}
.tleft, .tright {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    border: 1px solid #999;
}

.tleft .svg, .tright .svg {
    display: block;
    width: 15px;
    height: 15px;
    margin: 8px auto;
}
.tleft .svg path, .tright .svg path {
    fill: #999;
}
.tleft:hover,.tright:hover {
    border: 1px solid #3a3938;
}
.tleft:hover .svg path, .tright:hover .svg path {
    fill: #3a3938;
}

.tline {
    width: 1200px;
    height: auto;
    float: left;
    margin-left: 10px;
    margin-top: 15px;
    border-top: 1px solid #ddd;
}
.trow {
    text-align: left;
    white-space: nowrap;
    font-size: 0;
}
.tline span {
    display: inline-block;
    width: 200px;
    position: relative;
}
.tline span i {
    display: block;
    width: 75px;
    background: #fff;
    border-radius: 5px;
    margin: 30px auto;
    font-size: 0.875rem;
    font-style: normal;
    line-height: 35px;
    text-align: center;
    cursor: pointer;
}
.tline span::after {
    width: 14px;
    height: 14px;
    content: '';
    background: #fff;
    position: absolute;
    left: 50%;
    margin-left: -7px;
    top: -8px;
    border-radius: 50%;
    z-index: 10;
}
.tline span i, .tline span::after {
    -moz-box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.15);
	-webkit-box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.15);
	box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.15);
    -webkit-transition: all 0.5s ease;
	-moz-transition: all 0.5s ease;
	-ms-transition: all 0.5s ease;
	-o-transition: all 0.5s ease;
	transition: all 0.5s ease;
}
.tline span::after {
    -moz-box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.3);
	-webkit-box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.3);
	box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.3);
}
.tline span.on i, .tline span:hover i {
    background: #3a3938;
    color: #fff;
}
.tline span.on::after, .tline span:hover::after {
    background: #3a3938;
}
.timelist {
    width: 100%;
    height: auto;
    overflow: hidden;
}
.timelist.time_en {
    margin-top: 3vw;
}
.timeli {
    display: none;
    width: 100%;
    height: auto;
    overflow: hidden;
    margin-bottom: 80px;
}
.timeli.on {
    display: block;
}
.timec {
    height: auto;
    overflow: hidden;
    background: #fff;
    padding: 25px;
    margin-bottom: 20px;
    position: relative;
}
.timec::after {
    content: '+';
    font-size: 1.875rem;
    font-weight: bold;
    color: #d0000e;
    line-height: 50px;
    position: absolute;
    right: 20px;
    top: 20px;
    z-index: 10;
}
.timec.on::after {
    content: '—';
    color: #999;
    font-size: 1.25rem;
}
.timep {
    width: 0;
    height: auto;
    overflow: hidden;
    vertical-align: middle;
    display: table-cell;
}
.timep img {
    display: none;
    width: 300px;
    height: 300px;
    object-fit: contain;
    margin-right: 50px;
}
.timec.on .timep {
    width: 300px;
}
.timec.on .timep img {
    display: inline-block;
}
.timet {
    width: 800px;
    height: auto;
    display: table-cell;
    vertical-align: middle;
}
.timet span {
    display: inline-block;
    width: 800px;
    height: auto;
    line-height: 36px;
    font-size: 1.5rem;
}
.time_en .timet span {
    font-size: 1.2rem;
    line-height: 150%;
}
.timet i {
    display: none;
    width: 800px;
    height: auto;
    font-size: 0.875rem;
    line-height: 24px;
    color: #999;
    margin-top: 30px;
    font-style: normal;
}
.timec.on .timet i {
    display: inline-block;
}

.lcbox {
    width: 1100px;
    height: auto;
    overflow: hidden;
    margin: 20px auto 100px auto;
    position: relative;
    z-index: 1;
}
.lcbox::after {
    width: 1px;
    height: 100%;
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    z-index: 1;
    border-left: 1px solid #999;
}
.lcrow {
    width: calc(50% + 20px);
    height: auto;
    min-height: 150px;
    overflow: hidden;
    position: relative;
    z-index: 2;
    padding-top: 10px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.lcrow:nth-child(even) {
    margin-left: calc(50% - 20px);
    margin-top: -140px;
    padding-left: 80px;
}
.lcrow:nth-child(odd) {
    text-align: right;
    padding-right: 80px;
}
.lcrow span {
    display: block;
    font-size: 2rem;
}
.lcrow i {
    display: block;
    font-size: 1rem;
    color: #666;
    line-height: 180%;
    margin-top: 10px;
    font-style: normal;
}
.lcrow.lcrow_en i {
    font-size: 0.875rem;
}
.lcrow img {
    display: inline-block;
    width: 300px;
    height: auto;
    margin-top: 15px;
}
.lcrow::before {
    width: 45px;
    height: 45px;
    content: '';
    background: #f5f5f5;
    position: absolute;
    top: 0;
    z-index: 1;
}
.lcrow:nth-child(odd)::before {
    right: 0;
}
.lcrow:nth-child(even)::before {
    left: 0;
}
.lcrow::after {
    width: 15px;
    height: 15px;
    content: '';
    background: #fff;
    border-radius: 50%;
    position: absolute;
    top: 14px;
    z-index: 2;
    -moz-box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.3);
	-webkit-box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.3);
	box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.3);
}
.lcrow:nth-child(odd)::after {
    right: 12px;
}
.lcrow:nth-child(even)::after {
    left: 12px;
}