.contents_option {
  padding-bottom: 20px;
}
.contents_option_inner {
  margin: 0 auto;
  width: 980px;
}

@media screen and (max-width: 736px) {
  .contents_option {
    padding-bottom: 20px;
  }
  .contents_option_inner {
    width: 100%;
  }
}

/* ----------------------------- ページナビ ----------------------------- */

#target_optionNav {
  margin-top: -129px;
  padding-top: 129px;
}
.option_nav {
  margin-bottom: 70px;
  padding-top: 10px;
  font-size: 0;
  line-height: 0;
}
.option_nav_item {
  display: inline-block;
}
.option_nav_item a {
  display: block;
  padding: 13px 20px;
  color: #2b383f;
  font-size: 18px;
  border-radius: 5px;
}
.option_nav_item a:hover {
  color: #c00;
}
.option_nav_item a.current {
  color: #fff;
  background: #c00;
}

/* ボトム */
.option_btm {
  margin-bottom: 60px;
  text-align: center;
  background: #22272a;
}
.option_nav-btm {
  margin-bottom: 0;
  padding: 25px 0;
}
.option_nav-btm .option_nav_item a {
  color: #fff;
}
.option_nav-btm .option_nav_item a:hover {
  text-decoration: underline;
}

@media screen and (max-width: 736px) {
  #target_optionNav {
    margin-top: -78px;
    padding-top: 78px;
  }
  .option_nav {
    display: flex;
    margin-bottom: 40px;
    padding-top: 0;
    background: #22272a;
  }
  .option_nav_item {
    width: 33.33%;
    border-right: 1px solid #fff;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
  }
  .option_nav_item:last-child {
    border-right: 0;
  }
  .option_nav_item a {
    padding: 20px 5px;
    color: #fff;
    font-size: 14px;
    text-align: center;
    border-radius: 0;
  }
  .option_nav_item a:hover {
    color: #fff;
  }
  .option_nav_item a.current {
    color: #fff;
    background: #c00;
  }

  /* ボトム */
  .option_nav-btm {
    margin-bottom: 20px;
    padding: 0;
  }
}

/* ----------------------------- ページタイトル ----------------------------- */

.option_ttl,
.option_clm_ttl {
  position: relative;
  margin-bottom: 50px;
  padding-bottom: 20px;
  font-size: 36px;
  line-height: 42px;
  font-weight: bold;
}
.option_ttl:after,
.option_clm_ttl:after {
  position: absolute;
  content: "";
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: #c00;
}

@media screen and (max-width: 736px) {
  .option_ttl {
    margin: 0 4%;
    margin-bottom: 30px;
    font-size: 24px;
    line-height: 1em;
  }
  .option_clm_ttl {
    margin-bottom: 30px;
    font-size: 24px;
    line-height: 1em;
  }
}

/* ----------------------------- アンカー ----------------------------- */

.option_anchor {
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid #e4e7e9;
  border-left: 1px solid #e4e7e9;
}

.option_anchor_item {
  width: 25%;
  border-right: 1px solid #e4e7e9;
  border-bottom: 1px solid #e4e7e9;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.option_anchor_item.pc-w2 {
  width: 40%;
}
.option_anchor_item.pc-2col {
  width: 50%;
}
.option_anchor_item.pc-3col {
  width: 33.33%;
}

.option_anchor_item a {
  position: relative;
  display: block;
  padding: 20px 0;
  padding-right: 15px;
  color: #2b383f;
  font-size: 16px;
  line-height: 1em;
  letter-spacing: -0.06em;
  text-align: center;
}
.option_anchor_item a:after {
  position: absolute;
  content: "";
  top: 50%;
  right: 14px;
  width: 11px;
  height: 6px;
  background: url(../img/icon_arr_b.png) 0 0 no-repeat;
  background-size: 11px auto;
  -webkit-transform: translate(0, -50%);
  transform: translate(0, -50%);
}

@media screen and (max-width: 736px) {
  .option_anchor_item {
    width: 33.33%;
  }
  .option_anchor_item.sp-2col {
    width: 50%;
  }

  .option_anchor_item.sp-2col.sp-2col-he:nth-child(odd) {
    width: 54%;
  }

  .option_anchor_item.sp-2col.sp-2col-he:nth-child(even) {
    width: 46%;
  }

  .option_anchor_item:nth-child(6) {
    border-left: 0;
  }
  .option_anchor_item:nth-child(1),
  .option_anchor_item:not(".sp-2col"):nth-child(4),
  .option_anchor_item:nth-child(7) {
    border-left: 1px solid #e4e7e9;
  }
  .option_anchor_item a {
    display: flex;
    align-items: center;
    padding: 5px 20px 5px 10px;
    height: 100%;
    min-height: 42px;
    font-size: 12px;
    line-height: 16px;
    text-align: left;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
  }
  .option_anchor_item a:after {
    right: 9px;
    width: 8px;
    height: 4px;
    background-size: 8px auto;
  }
}

/* ----------------------------- セクション ----------------------------- */

.option_clm_section {
  padding: 50px 0;
  margin-top: -129px;
  padding-top: 179px;
  border-bottom: 1px solid #bbb;
}
.option_clm_section:last-child {
  border-bottom: 0;
}
.option_clm_section_lead {
  margin-bottom: 50px;
  font-size: 18px;
}
.option_clm_section_inner {
  display: flex;
  margin-bottom: 30px;
}
.option_clm_section_inner + .option_clm_section_inner {
  margin-bottom: 0;
  padding-top: 20px;
}
.option_clm_section_img {
  width: 465px;
}
.option_clm_section_img_credit {
  padding-top: 12px;
  font-size: 14px;
}
.option_clm_section_info {
  position: relative;
  padding-left: 50px;
  width: 515px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.option_clm_section_info_ttl {
  margin-bottom: 10px;
  font-size: 28px;
  font-weight: bold;
}
.option_clm_section_info_ttl_option {
  display: block;
  font-size: 20px;
}
.option_clm_section_info_txt {
  font-size: 18px;
}
.option_clm_section_info_txt_comment {
  font-size: 14px;
}
.option_clm_section_info_link {
  padding-top: 40px;
}
.option_clm_section_info_credit {
  position: absolute;
  bottom: 0;
  left: 50px;
  font-size: 14px;
}

@media screen and (max-width: 736px) {
  .option_clm {
    padding: 0 4%;
  }
  .option_clm_section {
    padding: 34px 0 40px 0;
    margin-top: -78px;
    padding-top: 112px;
  }
  .option_clm_section:last-child {
    border-bottom: 0;
  }
  .option_clm_section_lead {
    margin-bottom: 30px;
    font-size: 16px;
  }
  .option_clm_section_inner {
    display: block;
  }
  .option_clm_section_info_ttl,
  .option_clm_section_ttl {
    margin-bottom: 10px;
    font-size: 21px;
    font-weight: bold;
  }
  .option_clm_section_info_ttl.mb-0 {
    margin-bottom: 0;
  }
  .option_clm_section_info_ttl_option,
  .option_clm_section_ttl_option {
    display: block;
    font-size: 15px;
  }
  .option_clm_section_inner + .option_clm_section_inner {
    padding-top: 0;
  }
  .option_clm_section_img {
    width: 100%;
  }
  .option_clm_section_img_credit {
    padding-top: 10px;
  }
  .option_clm_section_info {
    padding-left: 0;
    padding-top: 15px;
    width: 100%;
  }
  .option_clm_section_info_txt {
    padding-bottom: 15px;
    font-size: 16px;
  }
  .option_clm_section_info_link {
    padding-top: 15px;
    padding-bottom: 15px;
  }
  .option_clm_section_info_credit {
    position: static;
    padding-top: 20px;
    font-size: 14px;
  }
}

/* ----------------------------- 表組み ----------------------------- */

.listTable {
  width: 100%;
  font-size: 16px;
  border-collapse: collapse;
  border-spacing: 0;
}
.listTable tr {
  border-bottom: 1px solid #fff;
}
.listTable tr:last-child {
  border-bottom: 0;
}
.listTable th {
  padding: 17px 15px;
  color: #fff;
  font-weight: bold;
  text-align: left;
  vertical-align: middle;
  background: #22272a;
  border-right: 1px solid #fff;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.listTable th:last-child {
  border-right: 0;
}
.listTable td {
  padding: 17px 15px;
  vertical-align: middle;
  font-weight: bold;
  background: #e4e7e9;
  border-right: 1px solid #fff;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  & .sale_2509 {
    color: #c00;
    margin-top: 0.3em;
  }
}
.listTable td:last-child {
  font-weight: normal;
  background: #eceff1;
  border-right: 0;
}
.listTable_price {
  color: #c00;
  font-size: 20px;
  font-weight: bold;
}
.listTable_attention {
  padding-top: 15px;
}
.listTable_attention_item {
  margin-left: 1em;
  text-indent: -1em;
  font-size: 14px;
}

/* バリエーション */
.listTable-2 td:first-child {
  width: 35%;
}
.listTable-2 td:last-child {
  background: #e4e7e9;
}
.listTable-2 tr:nth-child(odd) td {
  background: #eceff1;
}
.listTable_separate {
  border-top: 29px solid #fff;
}

.listTable sup {
  position: relative;
  bottom: 1ex;
  height: 0;
  font-size: 70%;
  line-height: 1;
  vertical-align: baseline;
}

@media screen and (max-width: 736px) {
  .listTable {
    font-size: 12px;
    table-layout: fixed;
  }
  .listTable th {
    padding: 10px 15px;
  }
  .listTable th:first-child {
    width: 52%;
  }
  .listTable td {
    padding: 10px 15px;
    overflow-wrap: break-word;
  }
  .listTable_price {
    display: block;
    font-size: 16px;
  }
  .listTable_attention_item {
    font-size: 12px;
  }
  .listTable-2 td:first-child {
    width: 40%;
  }
  .listTable_separate {
    border-top: 14px solid #fff;
  }
}

/* ----------------------------- 注釈 ----------------------------- */

.option_attention {
  padding: 30px 0 80px 0;
}
.option_attention_item {
  margin-bottom: 5px;
  font-size: 16px;
}
.option_attention_item:last-child {
  margin-bottom: 0;
}
.option_attention_item:before {
  padding-right: 5px;
  content: "■";
  color: #bbb;
}
.option_attention_item strong {
  font-weight: bold;
  text-decoration: underline;
}

@media screen and (max-width: 736px) {
  .option_attention {
    padding: 20px 4% 40px 4%;
  }
  .option_attention_item {
    font-size: 14px;
    line-height: 26px;
  }
}

/* -------------------------------------------------------------------------------------------
*
* 防音ボックス
*
* ----------------------------------------------------------------------------------------- */

.contents_header_silentcover {
  display: flex;
}
.contents_header_silentcover_info {
  padding-right: 55px;
  width: 465px;
}
.contents_header_silentcover_info_cat {
  display: inline-block;
  margin-bottom: 20px;
  padding: 6px 14px;
  color: #fff;
  font-size: 18px;
  line-height: 1;
  font-weight: bold;
  background: #c00;
  border-radius: 6px;
}
.contents_header_silentcover_info_ttl {
  margin-bottom: 10px;
  font-size: 60px;
  line-height: 1;
}
.contents_header_silentcover_info_ttl_option {
  display: block;
  padding-top: 15px;
  font-size: 22px;
}
.contents_header_silentcover_info_description {
  margin-bottom: 20px;
  font-size: 18px;
}
.contents_header_silentcover_info_price {
  display: inline-block;
  margin-bottom: 20px;
  padding: 15px 20px;
  font-size: 14px;
  background: #eceff1;
}
.contents_header_silentcover_info_price strong {
  display: block;
  color: #c00;
  font-size: 36px;
  font-weight: bold;
}
.contents_header_silentcover_info_credit {
  font-size: 14px;
}
.contents_header_silentcover_img {
  width: 515px;
}
.option_btmLink {
  margin: 0 auto;
  padding: 30px 0 60px 0;
  width: 500px;
}

@media screen and (max-width: 736px) {
  .contents_header_silentcover {
    display: block;
    padding: 0 4%;
  }
  .contents_header_silentcover_info {
    padding-right: 0;
    width: 100%;
  }
  .contents_header_silentcover_info_cat {
    font-size: 14px;
  }
  .contents_header_silentcover_info_ttl {
    font-size: 32px;
  }
  .contents_header_silentcover_info_ttl_option {
    font-size: 14px;
  }
  .contents_header_silentcover_info_description {
    margin-bottom: 15px;
    font-size: 14px;
  }
  .contents_header_silentcover_info_img {
    margin-bottom: 10px;
  }
  .contents_header_silentcover_info_price {
    display: block;
    margin-bottom: 15px;
  }
  .contents_header_silentcover_info_price strong {
    font-size: 28px;
  }
  .contents_header_silentcover_info_credit {
    font-size: 12px;
  }
  .option_btmLink {
    padding: 0 4% 20px 4%;
    width: 100%;
    box-sizing: border-box;
  }
}
.option_clm_section_name {
  margin: 1em 0 0.5em;
  font-size: 18px;
  @media screen and (max-width: 736px) {
    font-size: 16px;
  }
  &.sec {
    margin: 2.3em 0 0.5em;
  }
}

.option_clm_section_inner .p2_layout {
  display: flex;
  gap: 1em;

  @media screen and (max-width: 736px) {
    flex-direction: column;
  }

  & img {
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
  }
  & .cap_bl {
    padding-top: 12px;
    font-size: 14px;
    @media screen and (max-width: 736px) {
      padding-top: 10px;
    }
  }
  & div:has(.cap_tr) {
    position: relative;
  }
  & .cap_tr {
    font-size: 1.1em;
    line-height: 2;
    padding: 0 0.5em;
    background: #fff;
    outline: #bbb 1px solid;
    position: absolute;
    top: 0.8em;
    right: 2em;
    @media screen and (max-width: 736px) {
      font-size: 1em;
      top: 5%;
      right: 5%;
    }
  }
}

.mt-1em {
  margin-top: 1em;
  display: block;
}

.mt-48 {
  margin-top: 48px;
  @media screen and (max-width: 736px) {
    margin-top: 32px;
  }
}

.copy_red {
  color: #c00;
}