@charset "UTF-8";
/*=======================================
	breakpoint
=======================================*/
/*=======================================
	hover
=======================================*/
/*=======================================
	中央配置
=======================================*/
/*=======================================
	可変レスポンシブ
=======================================*/
/* PC */
/* TB */
/* SP */
/*=======================================
	ブラウザ別
=======================================*/
/* Safari */
/* Firefox */
/*-------------------------
- main btn
- header
- about & features
- roll forming
- product
- topics
- links

-------------------------*/
/*=======================================
　main
=======================================*/
main {
  background-color: #F3F3F3;
}
main.bottom_spacing {
  padding-bottom: 172px;
}

/*=======================================
　header
=======================================*/
.header {
  background: -webkit-gradient(linear, left top, left bottom, color-stop(-10%, #000), to(transparent));
  background: linear-gradient(to bottom, #000 -10%, transparent 100%);
}
.header .pc > .flex_area .hd_logo,
.header .sp > .flex_area .hd_logo {
  position: relative;
}
.header .pc > .flex_area .hd_logo a img,
.header .sp > .flex_area .hd_logo a img {
  -webkit-transition: opacity 0.4s ease;
  transition: opacity 0.4s ease;
}
.header .pc > .flex_area .hd_logo a img.white,
.header .sp > .flex_area .hd_logo a img.white {
  opacity: 1;
}
.header .pc > .flex_area .hd_logo a img.color,
.header .sp > .flex_area .hd_logo a img.color {
  opacity: 0;
}
.header .pc > .flex_area nav > ul > li > a,
.header .sp > .flex_area nav > ul > li > a {
  color: var(--main_white);
}
.header.scrolled {
  background: none;
  background-color: var(--main_white);
  -webkit-transition: background-color 0.5s ease;
  transition: background-color 0.5s ease;
}
.header.scrolled .pc > .flex_area .hd_logo a img.white,
.header.scrolled .sp > .flex_area .hd_logo a img.white {
  opacity: 0;
}
.header.scrolled .pc > .flex_area .hd_logo a img.color,
.header.scrolled .sp > .flex_area .hd_logo a img.color {
  opacity: 1;
}
.header.scrolled .pc > .flex_area nav > ul > li > a,
.header.scrolled .sp > .flex_area nav > ul > li > a {
  color: var(--main_navy);
}
.header.scrolled .pc > .flex_area .openbtn:not(.active) span,
.header.scrolled .sp > .flex_area .openbtn:not(.active) span {
  background: var(--main_navy);
}
@media (min-width: 769px) and (hover: hover) and (pointer: fine) {
  .header:not(.scrolled) a:hover::before {
    background-color: var(--main_white) !important;
  }
}
@media (min-width: 769px) and (-ms-high-contrast: none), (min-width: 769px) and (-ms-high-contrast: active) {
  .header:not(.scrolled) a:hover::before {
    background-color: var(--main_white) !important;
  }
}
.header .sp .openbtn span {
  background: #fff;
}
.header .sp .change .white {
  opacity: 1 !important;
}
.header .sp .change .color {
  opacity: 0 !important;
}

/*=======================================
　main_title
=======================================*/
.main_visual {
  width: 100vw;
  height: 100svh;
  position: relative;
  overflow: hidden;
}
.main_visual .mv_slider {
  position: relative;
  width: 100%;
  height: 100%;
}
.main_visual .mv_slider .slide_img {
  position: absolute;
  inset: 0;
  opacity: 0;
  -webkit-transition: opacity 1.5s cubic-bezier(0.25, 0, 0.75, 1);
  transition: opacity 1.5s cubic-bezier(0.25, 0, 0.75, 1);
  will-change: opacity;
  overflow: hidden;
  z-index: 1;
}
.main_visual .mv_slider .slide_img img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  display: block;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  scale: 1.05;
  -webkit-transition: scale 1.8s cubic-bezier(0.33, 1, 0.68, 1);
  transition: scale 1.8s cubic-bezier(0.33, 1, 0.68, 1);
  will-change: scale;
}
.main_visual .mv_slider .slide_img.active {
  opacity: 1;
}
.main_visual .mv_slider .slide_img.active img {
  scale: 1;
}
.main_visual .mv_dots {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  row-gap: 15px;
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  right: 62px;
  z-index: 100;
}
@media screen and (max-width: 768px) {
  .main_visual .mv_dots {
    row-gap: 13px;
    right: 35px;
  }
}
.main_visual .mv_dots button {
  display: block;
  width: 19px;
  aspect-ratio: 1/1;
  position: relative;
}
@media screen and (max-width: 768px) {
  .main_visual .mv_dots button {
    width: 11px;
  }
}
.main_visual .mv_dots button::before {
  content: "";
  display: block;
  width: 7px;
  aspect-ratio: 1/1;
  background: var(--main_white);
  border-radius: 50vw;
  position: absolute;
  top: 6px;
  left: 6px;
}
@media screen and (max-width: 768px) {
  .main_visual .mv_dots button::before {
    width: 4px;
    top: 3.5px;
    left: 3.5px;
  }
}
.main_visual .mv_dots button.active::after {
  content: "";
  display: block;
  width: 19px;
  aspect-ratio: 1/1;
  background: var(--main_navy);
  border-radius: 50vw;
  position: absolute;
  top: 0px;
  left: 0px;
  z-index: -1;
}
@media screen and (max-width: 768px) {
  .main_visual .mv_dots button.active::after {
    width: 11px;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
  }
}
.main_visual .main_lead {
  color: var(--main_white);
  position: absolute;
  left: 8.5625%;
  bottom: 96px;
  opacity: 1;
  z-index: 100;
}
@media screen and (max-width: 768px) {
  .main_visual .main_lead {
    left: 5.333%;
    bottom: 24px;
  }
}
.main_visual .main_lead p:first-of-type {
  font-family: "Figtree", sans-serif;
  font-size: 23px;
  font-weight: 500;
  letter-spacing: 0.09em;
  padding-left: 6.5px;
  margin-bottom: 12px;
}
@media screen and (max-width: 768px) {
  .main_visual .main_lead p:first-of-type {
    font-size: 14px;
    padding-left: 5px;
    margin-bottom: 0;
  }
}
.main_visual .main_lead h2 {
  font-size: 70px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
@media screen and (max-width: 768px) {
  .main_visual .main_lead h2 {
    font-size: 42px;
    line-height: 1.4285714286;
    margin-bottom: 6px;
  }
}
.main_visual .main_lead p:last-of-type {
  font-size: 16px;
  letter-spacing: 0.05em;
  line-height: 2;
  padding-left: 6.5px;
}
@media screen and (max-width: 768px) {
  .main_visual .main_lead p:last-of-type {
    font-size: 12px;
    line-height: 1.8333333333;
    padding-left: 1px;
  }
}
.main_visual .main_copy {
  font-family: "Figtree", sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--main_white);
  -webkit-writing-mode: vertical-lr;
      -ms-writing-mode: tb-lr;
          writing-mode: vertical-lr;
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  right: 34px;
  z-index: 100;
}
@media screen and (max-width: 768px) {
  .main_visual .main_copy {
    font-size: 9px;
    right: 15px;
  }
}
.main_visual .scroll_txt {
  color: var(--main_white);
  font-family: "Figtree", sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  bottom: 27px;
  z-index: 100;
}

/*=======================================
　about & features
=======================================*/
.content-wrap {
  background-color: #f3f3f3;
  padding: 170px 0;
  position: relative;
  overflow-x: hidden;
  z-index: 0;
}
@media screen and (max-width: 768px) {
  .content-wrap {
    padding: 68px 0 50px;
  }
}
.content-wrap .content-wrap_bg {
  position: absolute;
  height: auto;
  left: 0;
  bottom: 0;
  z-index: -1;
}
@media screen and (max-width: 768px) {
  .content-wrap .content-wrap_bg {
    width: 1023px;
  }
}
.content-wrap .content-wrap_bg picture {
  display: block;
}
.content-wrap h3 {
  color: var(--main_navy);
  font-family: "Figtree", sans-serif;
  font-size: 25px;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 18px;
}
@media screen and (max-width: 768px) {
  .content-wrap h3 {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 4px;
  }
}
.content-wrap section .content_ttl {
  font-size: 35px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.6571428571;
  margin-bottom: 32px;
}
@media screen and (max-width: 768px) {
  .content-wrap section .content_ttl {
    font-size: 22px;
    letter-spacing: 0.05em;
    line-height: 1.5;
    margin-bottom: 16px;
  }
}
.content-wrap section .content_ttl span {
  color: var(--main_navy);
  font-size: 40px;
}
@media screen and (max-width: 768px) {
  .content-wrap section .content_ttl span {
    font-size: 25px;
    letter-spacing: 0.05em;
  }
}
.content-wrap section .content_txt {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 2;
}
@media screen and (max-width: 768px) {
  .content-wrap section .content_txt {
    font-size: 13px;
  }
}
.content-wrap section.about {
  margin-bottom: 0px;
}
.content-wrap section.about .inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas: "content img01" "btn img01" "img02 img02";
  margin-bottom: 6px;
}
@media screen and (max-width: 768px) {
  .content-wrap section.about .inner {
    grid-template-columns: 1fr;
    grid-template-areas: "content" "img01" "img02" "btn";
    margin-bottom: 34px;
  }
}
.content-wrap section.about .inner .about_content {
  grid-area: content;
  padding-right: 20px;
  margin-bottom: 38px;
}
@media screen and (max-width: 768px) {
  .content-wrap section.about .inner .about_content {
    padding-right: 0;
    margin-bottom: -16px;
  }
}
.content-wrap section.about .inner .about_content .content_txt {
  max-width: 456px;
}
.content-wrap section.about .inner .btn {
  grid-area: btn;
  margin-inline: unset;
  margin-right: auto;
  margin-bottom: 30px;
}
@media screen and (max-width: 768px) {
  .content-wrap section.about .inner .btn {
    margin-inline: auto;
  }
}
.content-wrap section.about .inner .about_img01 {
  grid-area: img01;
}
@media screen and (max-width: 768px) {
  .content-wrap section.about .inner .about_img01 {
    width: 71.88405797%;
    margin-left: auto;
  }
}
.content-wrap section.about .inner .about_img02 {
  grid-area: img02;
}
@media screen and (max-width: 768px) {
  .content-wrap section.about .inner .about_img02 {
    margin-top: -30px;
    margin-bottom: 30px;
  }
}
.content-wrap section.features .features_content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: end;
      -ms-flex-align: end;
          align-items: flex-end;
  gap: 20px;
  margin-bottom: 80px;
}
@media screen and (max-width: 768px) {
  .content-wrap section.features .features_content {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 30px;
    margin-bottom: 30px;
  }
}
.content-wrap section.features .features_content .btn {
  margin-inline: unset;
  margin-left: auto;
}
@media screen and (max-width: 768px) {
  .content-wrap section.features .features_content .btn {
    margin-inline: auto;
  }
}
.content-wrap section.features .features_list {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  gap: 2.5%;
}
@media screen and (max-width: 768px) {
  .content-wrap section.features .features_list {
    grid-template-columns: 1fr;
    gap: 25px;
  }
}
.content-wrap section.features .features_list .features_item {
  border-radius: 12px;
  background: var(--main_white);
  border: solid 1px var(--main_navy);
  padding: 42.5px 21px 72px;
  text-align: center;
}
@media screen and (max-width: 768px) {
  .content-wrap section.features .features_list .features_item {
    padding: 24px;
    display: grid;
    grid-template-columns: 18.31% 1fr;
    grid-template-areas: "number topic" "txt txt";
    text-align: left;
    gap: 14px;
  }
}
.content-wrap section.features .features_list .features_item p:nth-of-type(1) {
  color: var(--main_navy);
  font-family: "Figtree", sans-serif;
  font-size: 78px;
  font-weight: 500;
  line-height: 1.2051282051;
}
@media screen and (max-width: 768px) {
  .content-wrap section.features .features_list .features_item p:nth-of-type(1) {
    grid-area: number;
    font-size: 42px;
    text-align: center;
  }
}
.content-wrap section.features .features_list .features_item p:nth-of-type(1) span {
  display: block;
  font-family: "Figtree", sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: #E34F4F;
  letter-spacing: 0.15em;
  margin-bottom: 32px;
}
@media screen and (max-width: 768px) {
  .content-wrap section.features .features_list .features_item p:nth-of-type(1) span {
    font-size: 9px;
    margin-bottom: 0;
  }
}
.content-wrap section.features .features_list .features_item p:nth-of-type(2) {
  color: var(--main_navy);
  font-size: 25px;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.44;
  margin-bottom: 35.5px;
}
@media screen and (max-width: 768px) {
  .content-wrap section.features .features_list .features_item p:nth-of-type(2) {
    grid-area: topic;
    font-size: 17px;
    line-height: 1.47;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    margin-bottom: 0;
  }
}
.content-wrap section.features .features_list .features_item p:nth-of-type(3) {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 2.1428571429;
}
@media screen and (max-width: 768px) {
  .content-wrap section.features .features_list .features_item p:nth-of-type(3) {
    grid-area: txt;
    font-size: 12px;
    line-height: 1.8333333333;
    padding-inline: 8px;
  }
}

/*=======================================
　roll forming
=======================================*/
.roll-forming {
  background: center/cover url(../img/top/rf_bg.jpg) no-repeat;
  position: relative;
  margin-top: -1px;
}
@media screen and (max-width: 768px) {
  .roll-forming {
    background: center/cover url(../img/top/rf_bg_sp.jpg) no-repeat;
    padding-bottom: 90px;
  }
}
.roll-forming .rf_content {
  height: 1176px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
@media screen and (max-width: 768px) {
  .roll-forming .rf_content {
    height: auto;
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
        -ms-flex-direction: column-reverse;
            flex-direction: column-reverse;
  }
}
.roll-forming .rf_content .rf_txt {
  color: var(--main_white);
  width: 47.41666667%;
  margin-top: 320px;
  position: relative;
  z-index: 2;
}
@media screen and (max-width: 768px) {
  .roll-forming .rf_content .rf_txt {
    width: 100%;
  }
}
.roll-forming .rf_content .rf_txt h3 {
  font-family: "Figtree", sans-serif;
  font-size: 25px;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
}
@media screen and (max-width: 768px) {
  .roll-forming .rf_content .rf_txt h3 {
    font-size: 15px;
    margin-bottom: 0;
  }
}
.roll-forming .rf_content .rf_txt p:first-of-type {
  font-size: 35px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 58px;
  margin-bottom: 32px;
}
@media screen and (max-width: 768px) {
  .roll-forming .rf_content .rf_txt p:first-of-type {
    font-size: 22px;
    line-height: 35px;
    margin-bottom: 16px;
  }
}
.roll-forming .rf_content .rf_txt p:first-of-type span {
  font-size: 40px;
}
@media screen and (max-width: 768px) {
  .roll-forming .rf_content .rf_txt p:first-of-type span {
    font-size: 25px;
  }
}
.roll-forming .rf_content .rf_txt p:nth-of-type(2) {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 2;
  margin-bottom: 48px;
}
@media screen and (max-width: 768px) {
  .roll-forming .rf_content .rf_txt p:nth-of-type(2) {
    font-size: 13px;
    letter-spacing: 0.05em;
    line-height: 1.8461538462;
    margin-bottom: 30px;
  }
}
.roll-forming .rf_content .rf_txt .btn {
  margin-inline: 0;
}
.roll-forming .rf_content .rf_slider {
  width: 48.8125vw;
  height: 100%;
  overflow: hidden;
  position: absolute;
  right: 0;
  top: 0;
  z-index: 1;
}
@media screen and (max-width: 768px) {
  .roll-forming .rf_content .rf_slider {
    width: 100%;
    height: 188px;
    margin-top: 80px;
  }
}
.roll-forming .rf_content .rf_slider .swiper-wrapper {
  -webkit-transition-timing-function: linear;
          transition-timing-function: linear;
}
.roll-forming .rf_content .rf_slider .swiper-wrapper .swiper-slide img {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  -o-object-fit: cover;
     object-fit: cover;
}

/*=======================================
　product
=======================================*/
.product {
  padding: 170px 0;
}
@media screen and (max-width: 768px) {
  .product {
    padding: 80px 0;
  }
}
.product .inner h3 {
  color: var(--main_navy);
  font-family: "Figtree", sans-serif;
  font-size: 25px;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.2;
  text-align: center;
  margin-bottom: 16px;
}
@media screen and (max-width: 768px) {
  .product .inner h3 {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 4px;
  }
}
.product .inner > p:first-of-type {
  font-size: 35px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 58px;
  text-align: center;
  margin-bottom: 36px;
}
@media screen and (max-width: 768px) {
  .product .inner > p:first-of-type {
    font-size: 22px;
    margin-bottom: 16px;
    line-height: 35px;
  }
}
.product .inner > p:first-of-type span {
  color: var(--main_navy);
  font-size: 40px;
}
@media screen and (max-width: 768px) {
  .product .inner > p:first-of-type span {
    font-size: 25px;
  }
}
.product .inner > p:nth-of-type(2) {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 2;
  text-align: center;
  width: 71.83333333%;
  margin-inline: auto;
  margin-bottom: 54px;
}
@media screen and (max-width: 768px) {
  .product .inner > p:nth-of-type(2) {
    font-size: 13px;
    letter-spacing: 0.05em;
    line-height: 1.8461538462;
    text-align: left;
    width: auto;
    margin-bottom: 28px;
  }
}
.product .inner .product_content {
  min-height: 395px;
  margin-bottom: 50px;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content {
    margin-bottom: 36px;
  }
}
.product .inner .product_content .product_tab_btn {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  gap: 20px 1.66666667%;
  margin-bottom: 34px;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_tab_btn {
    gap: 20px 3.04347826%;
    margin-bottom: 27px;
  }
}
.product .inner .product_content .product_tab_btn li {
  color: var(--main_navy);
  background: var(--main_white);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2142857143;
  width: 190px;
  height: 54px;
  border: 1px solid var(--main_navy);
  position: relative;
  z-index: 0;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_tab_btn li {
    font-size: 12px;
    letter-spacing: 0.05em;
    line-height: 1;
    width: 108px;
    height: 37px;
  }
}
.product .inner .product_content .product_tab_btn li.active {
  color: var(--main_white);
  background: var(--main_navy);
}
.product .inner .product_content .product_tab_btn li.active::after {
  content: "";
  width: 27px;
  height: 14px;
  background: var(--main_navy);
  clip-path: polygon(0 0, 100% 0%, 50% 100%);
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  bottom: -7px;
  z-index: -1;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_tab_btn li.active::after {
    width: 15px;
    height: 8px;
    bottom: -6px;
  }
}
.product .inner .product_content .product_tab_btn li button {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}
.product .inner .product_content .product_item {
  opacity: 0;
  visibility: hidden;
  position: absolute;
  z-index: -1;
  pointer-events: none;
  will-change: opacity;
  -webkit-transition: opacity 0.2s ease;
  transition: opacity 0.2s ease;
}
.product .inner .product_content .product_item figure {
  margin-bottom: 4px;
}
.product .inner .product_content .product_item figure img {
  margin-bottom: 8px;
}
.product .inner .product_content .product_item figure figcaption {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 26px;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_item figure figcaption {
    font-size: 13px;
    line-height: 19px;
  }
}
.product .inner .product_content .product_item figure figcaption .sp400 {
  display: none;
}
@media screen and (max-width: 400px) {
  .product .inner .product_content .product_item figure figcaption .sp400 {
    display: block;
  }
}
.product .inner .product_content .product_item p {
  color: var(--main_white);
  font-size: 12px;
  letter-spacing: 0.08em;
  background: var(--main_navy);
  width: 47px;
  height: 26px;
  display: grid;
  place-items: center;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_item p {
    font-size: 11px;
    width: 42px;
    height: 25px;
  }
}
.product .inner .product_content .product_item.active {
  display: block grid;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  opacity: 1;
  visibility: visible;
  position: static;
  pointer-events: auto;
}
.product .inner .product_content .product_item.item_katakou {
  grid-template-columns: repeat(4, 1fr);
  gap: 34px;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_item.item_katakou {
    grid-template-columns: 1fr 1fr;
    gap: 15px 9px;
  }
}
.product .inner .product_content .product_item.item_kenchiku {
  grid-template-columns: 2.1163636361fr 1fr 1fr;
  gap: 34px;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_item.item_kenchiku {
    grid-template-columns: 1fr 1fr;
    gap: 15px 9px;
  }
  .product .inner .product_content .product_item.item_kenchiku div:first-of-type {
    grid-column: 1/span 2;
  }
  .product .inner .product_content .product_item.item_kenchiku div:nth-of-type(2) {
    grid-column: 1;
  }
  .product .inner .product_content .product_item.item_kenchiku div:nth-of-type(3) {
    grid-column: 2;
  }
}
.product .inner .product_content .product_item.item_kenchiku p {
  width: 74px;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_item.item_kenchiku p {
    width: 69px;
  }
}
.product .inner .product_content .product_item.item_pipe {
  grid-template-columns: 2.1163636361fr 1fr 1fr;
  gap: 34px;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_item.item_pipe {
    grid-template-columns: 1fr 1fr;
    gap: 15px 9px;
  }
  .product .inner .product_content .product_item.item_pipe div:first-of-type {
    grid-column: 1/span 2;
  }
  .product .inner .product_content .product_item.item_pipe div:nth-of-type(2) {
    grid-column: 1;
  }
  .product .inner .product_content .product_item.item_pipe div:nth-of-type(3) {
    grid-column: 2;
  }
}
.product .inner .product_content .product_item.item_pipe p {
  width: 125px;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_item.item_pipe p {
    width: 100px;
  }
}
.product .inner .product_content .product_item.item_flat-bar {
  grid-template-columns: 2.1163636361fr 1fr 1fr;
  gap: 34px;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_item.item_flat-bar {
    grid-template-columns: 1fr 1fr;
    gap: 15px 9px;
  }
  .product .inner .product_content .product_item.item_flat-bar div:first-of-type {
    grid-column: 1/span 2;
  }
  .product .inner .product_content .product_item.item_flat-bar div:nth-of-type(2) {
    grid-column: 1;
  }
  .product .inner .product_content .product_item.item_flat-bar div:nth-of-type(3) {
    grid-column: 2;
  }
}
.product .inner .product_content .product_item.item_flat-bar p {
  width: 99px;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_item.item_flat-bar p {
    width: 82px;
  }
}
.product .inner .product_content .product_item.item_others {
  grid-template-columns: 1fr 1fr 2.1163636361fr;
  gap: 34px;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_item.item_others {
    grid-template-columns: 1fr 1fr;
    gap: 15px 9px;
  }
  .product .inner .product_content .product_item.item_others div:first-of-type {
    grid-column: 1;
  }
  .product .inner .product_content .product_item.item_others div:nth-of-type(2) {
    grid-column: 2;
  }
  .product .inner .product_content .product_item.item_others div:nth-of-type(3) {
    grid-column: 1/span 2;
  }
}
.product .inner .product_content .product_item.item_others p {
  width: 60px;
}
@media screen and (max-width: 768px) {
  .product .inner .product_content .product_item.item_others p {
    width: 54px;
  }
}

/*=======================================
　topics
=======================================*/
.topics {
  margin-bottom: 150px;
  position: relative;
}
@media screen and (max-width: 768px) {
  .topics {
    padding-top: 100px;
    padding-bottom: 30px;
    margin-bottom: 30px;
    overflow-y: hidden;
  }
}
@media screen and (max-width: 768px) {
  .topics .topics_bg_img {
    position: absolute;
    top: 0;
    left: 0;
  }
}
.topics .topics_content {
  background-color: #F9F9F9;
  margin-top: -180px;
  padding: 100px 7.5% 134px;
  position: relative;
  z-index: 1;
}
@media screen and (max-width: 768px) {
  .topics .topics_content {
    margin-top: 0;
    padding: 50px 30px 55px;
  }
}
.topics .topics_content hgroup {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: baseline;
      -ms-flex-align: baseline;
          align-items: baseline;
  gap: 15px;
  margin-bottom: 50px;
}
@media screen and (max-width: 768px) {
  .topics .topics_content hgroup {
    gap: 12px;
    margin-bottom: 0;
  }
}
.topics .topics_content hgroup h3 {
  color: var(--main_navy);
  font-family: "Figtree", sans-serif;
  font-size: 39px;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2051282051;
}
@media screen and (max-width: 768px) {
  .topics .topics_content hgroup h3 {
    font-size: 24px;
  }
}
.topics .topics_content hgroup p {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.4285714286;
}
@media screen and (max-width: 768px) {
  .topics .topics_content hgroup p {
    font-size: 12px;
  }
}
.topics .topics_content .topics_list .topics_item {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: start;
  padding: 28px 16px;
  border-bottom: solid 1px #DADDE3;
}
@media screen and (max-width: 768px) {
  .topics .topics_content .topics_list .topics_item {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    place-items: flex-start;
    gap: 10px;
    padding: 28px 0 16px;
  }
  .topics .topics_content .topics_list .topics_item:not(:last-of-type) {
    margin-bottom: -6px;
  }
}
.topics .topics_content .topics_list .topics_item .post_meta {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: baseline;
      -ms-flex-align: baseline;
          align-items: baseline;
}
.topics .topics_content .topics_list .topics_item .post_meta .data {
  font-family: "Figtree", sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.03em;
}
@media screen and (max-width: 768px) {
  .topics .topics_content .topics_list .topics_item .post_meta .data {
    font-size: 11px;
  }
}
.topics .topics_content .topics_list .topics_item .post_meta .category {
  color: var(--main_white);
  background-color: var(--main_navy);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.01em;
  width: 89px;
  height: 25px;
  border-radius: 5px;
  display: grid;
  place-items: center;
  margin-left: 22px;
}
@media screen and (max-width: 768px) {
  .topics .topics_content .topics_list .topics_item .post_meta .category {
    font-size: 10px;
    width: 60px;
    height: 18px;
    margin-left: 13px;
  }
}
.topics .topics_content .topics_list .topics_item .post_content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  row-gap: 25px;
  margin-left: 41px;
  -webkit-box-flex: 1;
      -ms-flex: auto;
          flex: auto;
}
@media screen and (max-width: 768px) {
  .topics .topics_content .topics_list .topics_item .post_content {
    margin-left: 0;
    row-gap: 10px;
    width: 100%;
  }
}
.topics .topics_content .topics_list .topics_item .post_content .ttl {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 1.5;
  position: relative;
}
.topics .topics_content .topics_list .topics_item .post_content .ttl.icon_blank span, .topics .topics_content .topics_list .topics_item .post_content .ttl.icon_pdf span {
  display: inline-block;
  vertical-align: text-bottom;
  width: 20px;
  height: 20px;
  margin-left: 10px;
}
@media screen and (max-width: 768px) {
  .topics .topics_content .topics_list .topics_item .post_content .ttl.icon_blank span, .topics .topics_content .topics_list .topics_item .post_content .ttl.icon_pdf span {
    margin-left: 5px;
  }
}
.topics .topics_content .topics_list .topics_item .post_content .ttl.icon_blank span {
  background: center/contain url(../img/common/icon_blank.svg) no-repeat;
}
.topics .topics_content .topics_list .topics_item .post_content .ttl.icon_pdf span {
  background: center/contain url(../img/common/icon_pdf.svg) no-repeat;
}
@media screen and (max-width: 768px) {
  .topics .topics_content .topics_list .topics_item .post_content .ttl {
    font-size: 13px;
    line-height: 1.8333333333;
  }
}
.topics .topics_content .topics_list .topics_item .post_content .txt {
  font-size: 14px;
  letter-spacing: 0.05em;
  line-height: 1.7;
}
@media screen and (max-width: 768px) {
  .topics .topics_content .topics_list .topics_item .post_content .txt {
    font-size: 12px;
  }
}
.topics .topics_content .topics_list .topics_item .post_content .txt a {
  color: var(--main_navy);
  text-decoration: underline;
}

/*=======================================
　links
=======================================*/
.links .inner .links_list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  gap: 4.91666667%;
}
@media screen and (max-width: 768px) {
  .links .inner .links_list {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}
.links .inner .links_list .links_item {
  height: 446px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  z-index: 0;
}
@media screen and (max-width: 768px) {
  .links .inner .links_list .links_item {
    height: 137px;
  }
}
.links .inner .links_list .links_item:not(:last-of-type)::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: -webkit-gradient(linear, left top, left bottom, from(transparent), to(rgba(0, 0, 0, 0.5)));
  background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.5) 100%);
}
.links .inner .links_list .links_item a {
  display: block;
  position: absolute;
  inset: 0;
}
.links .inner .links_list .links_item a .links_txt {
  color: var(--main_white);
  letter-spacing: 0.1em;
  text-align: right;
  position: absolute;
  right: 5.55%;
  bottom: 24px;
  text-shadow: 2px 1px 8px rgba(0, 0, 0, 0.3);
}
@media screen and (max-width: 768px) {
  .links .inner .links_list .links_item a .links_txt {
    right: 15px;
    bottom: 15px;
  }
}
.links .inner .links_list .links_item a .links_txt p:first-of-type {
  font-family: "Figtree", sans-serif;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.1875;
}
@media screen and (max-width: 768px) {
  .links .inner .links_list .links_item a .links_txt p:first-of-type {
    font-size: 22px;
  }
}
.links .inner .links_list .links_item a .links_txt p:last-of-type {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4285714286;
}
@media screen and (max-width: 768px) {
  .links .inner .links_list .links_item a .links_txt p:last-of-type {
    font-size: 11px;
  }
}
.links .inner .links_list .links_item .links_bg {
  border-radius: 12px;
  position: absolute;
  inset: 0;
  z-index: -1;
  -webkit-transition: scale 0.4s;
  transition: scale 0.4s;
}
.links .inner .links_list .links_item .links_bg img {
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
@media (min-width: 769px) and (hover: hover) and (pointer: fine) {
  .links .inner .links_list .links_item:hover:has(a:hover) .links_bg {
    scale: 1.1;
    -webkit-transition: scale 0.5s;
    transition: scale 0.5s;
  }
}
@media (min-width: 769px) and (-ms-high-contrast: none), (min-width: 769px) and (-ms-high-contrast: active) {
  .links .inner .links_list .links_item:hover:has(a:hover) .links_bg {
    scale: 1.1;
    -webkit-transition: scale 0.5s;
    transition: scale 0.5s;
  }
}
.links .inner .contact_bnr {
  padding: 95.5px 135.5px;
  margin-top: 70px;
  margin-bottom: 0;
}
@media screen and (max-width: 768px) {
  .links .inner .contact_bnr {
    padding: 47px 13px;
    margin-top: 60px;
    gap: 12px;
  }
}/*# sourceMappingURL=top.css.map */