@charset "utf-8";
* {
  box-sizing: border-box;
}
html {
  color: #000;
  font-size: 14px;
}
img {
  backface-visibility: hidden;
}

.uk-container {
  box-sizing: content-box;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 15px;
  padding-right: 15px;
}

.okabe-red {
  color: #cf2900;
}
.okabe-brown {
  color: #231815;
}

.uk-heading-divider-okabered {
  padding-bottom: calc(5px + 0.1em);
  border-bottom: calc(0.2px + 0.05em) solid #cf2900;
}
h3.uk-heading-divider-okabered {
  margin-bottom: 40px;
}
.container-in {
  margin: 0 auto 30px;
  width: 80%;
}
.container-in img {
  padding: 0px;
}
.komidashi {
  font-size: 20px;
  font-weight: bold;
  margin: 0 0 5px;
}
.w-50 {
  width: 50%;
}
.w-33 {
  width: 33%;
}

/*ヘッダー内部*/
header {
  background: #3d4e56;
  color: #fff;
}
header a.okabe-link-a {
  display: inline-block;
  padding: 5px 30px;
  background: #fff;
  color: #000;
  font-size: 0.9em;
}
header a.okabe-link-a:hover {
  text-decoration: none;
  opacity: 0.9;
}

header .header-title {
  display: flex;
  justify-content: space-between;
  padding: 0 0 20px;
}
header h2 {
  font-size: 2.5em;
  color: #fff;
}
header .header-title div {
  align-self: flex-end;
}
header .triangle {
  position: relative;
}
header .triangle::before {
  content: "";
  bottom: 0;
  right: 0;
  border-top: 1em solid transparent;
  border-right: 1em solid #cf2900;
  position: absolute;
  z-index: 100;
}

/*ナビゲーション 新デザイン*/
nav {
  background: #fff;
}

/*ナビゲーション 旧デザイン*/
#nav {
  background: #231816;
}

#nav .menu ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
}
#nav .menu li {
  display: inline-block;
  width: 12.5%;
  text-align: center;
}
#nav .menu li a {
  display: block;
  padding: 27px 5px 24px;
  color: #fff;
  text-decoration: none;
  border-bottom: 4px solid #231816;
}
#nav .menu li a.current {
  border-bottom: 4px solid #cf2900;
}
#nav .menu li a:hover {
  background-color: #442e28;
  border-bottom: 4px solid #cf2900;
}
#nav .menu li {
  border-left: 2px solid #3e3a39;
  border-right: 2px solid #3e3a39;
}

#nav .menu li + li {
  border-left: 0;
  border-right: 2px solid #3e3a39;
}

/*トップ画像内*/
#top_img .top-img-text {
  width: 70%;
  margin: 0 auto;
  display: flex;
  /*flex-wrap:wrap;*/
  justify-content: center;
}
#top_img .left-red-line {
  padding: 0 30px 0;
  border-left: 1px solid #cf2900;
}
#top_img .top-img-text img {
  width: 75%;
}
#top_img .top-img-text h2 {
  font-size: 2em;
  color: #fff;
  margin-bottom: 5px;
}
#top_img span {
  color: #fff;
  line-height: 1.75em;
}
#top_img .pb-50 {
  padding-bottom: 50px;
}

/*リボン見出し*/
.ribbon-title {
  position: relative;
  display: inline-block;
  padding: 0.4em 0.6em;
  color: #000;
  font-size: 14px;
  font-weight: bold;
  background: #bec8d1;
  border-left: solid 5px #cf2900;
  width: 330px;
  margin-bottom: 30px;
}
.ribbon-title:after {
  position: absolute;
  content: "";
  right: -3px;
  top: -7px;
  width: 0;
  height: 0;
  border: none;
  border-left: solid 50px transparent;
  border-top: solid 45px white;
  z-index: 100;
}

/*テーブル*/
table {
  width: 100%;
  border-collapse: collapse;
}
table th,
td {
  padding: 5px 15px;
}
table .border-rb-b {
  border: solid 1px #000;
  border-top-style: none;
  border-left-style: none;
}
table .border-b-b {
  border: solid 1px #000;
  border-top-style: none;
  border-left-style: none;
  border-right-style: none;
}
table .border-r-b {
  border: solid 1px #000;
  border-top-style: none;
  border-left-style: none;
  border-bottom-style: none;
}
table .border-rb-w {
  border: solid 1px #fff;
  border-top-style: none;
  border-left-style: none;
}
table .border-b-w {
  border: solid 1px #fff;
  border-top-style: none;
  border-left-style: none;
  border-right-style: none;
}
table .border-r-w {
  border: solid 1px #fff;
  border-top-style: none;
  border-left-style: none;
  border-bottom-style: none;
}

table .bc-blue {
  background: #748f9d;
  color: #fff;
}
table .bc-gray {
  background: #f4f4f4;
}

/*トップページ内(id="top")*/
#top #news .container-in {
  display: flex;
  /*height: 80px;*/
  width: 90%;
  font-size: 16px;
  margin: 0 auto;
}
#top #news .container-in .container-in-day {
  width: 15%;
  align-self: center;
  padding: 30px 0;
}
#top #news .container-in .container-in-news {
  align-self: center;
}

#top #news hr {
  border: 0.5px solid #3d4e57;
  margin: 0;
}

/*特徴ページ内(id="feature")*/
#feature table {
  font-size: 16px;
}
#feature td.short-td {
  width: 10%;
  padding: 3px 5px;
}

#feature .marukado-text-box {
  border: 2px solid #000;
  padding: 10px 15px;
  border-radius: 10px;
}
#feature .marukado-text-box div span {
  align-self: center;
}
#feature h4 {
  font-size: 20px;
  margin-bottom: 10px;
}
#feature .okabe-45 {
  width: 45%;
}
#feature .okabe-55 {
  width: 55%;
}

/*適用範囲ページ内(id="range")*/
#range table {
  font-size: 18px;
}

/*補強部材概要ページ内(id="about")*/

/*設計・検討ページ内(id="design")*/
#design .fs18 {
  font-size: 18px;
}

/*施工ページ内(id="construction")*/
#construction .table-box-shadow {
  color: #fff;
  box-shadow: 2px 2px 5px 2px rgba(0, 0, 0, 0.2);
}
#construction .table-box-shadow p {
  margin: 10px;
}
#construction .bgcolor-1 {
  background: #748f9d;
}
#construction .bgcolor-2 {
  background: #5894af;
}

/*ダウンロードページ内(id="download")*/
#download h4 {
  font-weight: bold;
}
#download .date {
  margin: 0;
}
#download .number {
  margin: 0;
}
#download .file {
  margin: 0 0 20px;
}
#download img.thumb {
  border: 1px solid #999;
}

/*フッター*/
footer {
  background: #173464;
  color: #fff;
  padding: 20px 0;
}
footer .footer-link {
  display: flex;
  justify-content: space-between;
}

footer .footer-link ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
}
footer .footer-link li {
  display: inline-block;
  text-align: center;
}
footer .footer-link li a {
  display: block;
  padding: 0 15px;
  color: #fff;
}
footer .footer-link li a:hover {
  text-decoration: none;
  opacity: 0.5;
}
footer .footer-link li + li {
  border-left: 1px solid #fff;
}
footer .footer-link-in {
  padding: 10px 0;
  align-self: center;
}