@charset "UTF-8";
/* http://meyerweb.com/eric/tools/css/reset/
   v2.0 | 20110126
   License: none (public domain)
*/
@import url(https://fonts.googleapis.com/earlyaccess/notosansjapanese.css);
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}

body {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

a {
  text-decoration: none;
}

img {
  margin: 0;
  padding: 0;
  vertical-align: bottom;
}

input, button {
  border-radius: 0;
  border: 0;
  margin: 0;
  padding: 0;
  -webkit-appearance: none;
  appearance: none;
}

/*
** Base
*/
html, body {
  height: 100%;
  font-family: 'Noto Sans Japanese','Hiragino Kaku Gothic Pro', 'ヒラギノ角ゴ Pro W3', Meiryo, メイリオ, Arial, sans-serif, serif;
  -webkit-overflow-scrolling: touch;
  color: #2b2b2b;
}

main, .main {
  display: block;
  -webkit-overflow-scrolling: touch;
}

.is--pc {
  display: block !important;
}

@media screen and (max-width: 640px) {
  .is--pc {
    display: none !important;
  }
}

.is--sp {
  display: none !important;
}

@media screen and (max-width: 640px) {
  .is--sp {
    display: block !important;
  }
}

.wrapper {
  position: relative;
  min-height: 100%;
  height: auto !important;
  height: 100%;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

/*
** Header
*/
.header {
  position: relative;
  z-index: 99;
}

.header__top {
  position: relative;
  z-index: 99;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 920px;
  margin: 0 auto;
  padding: 11px 0;
}

@media screen and (max-width: 640px) {
  .header__inner {
    width: 100%;
    padding: 24px 16px;
    box-sizing: border-box;
  }
}

.header__headline {
  display: block;
  font-size: 20px;
  font-weight: 700;
  font-style: italic;
}

@media screen and (max-width: 640px) {
  .header__headline {
    font-size: 32px;
  }
}

.header__headline--kuraray {
  width: 105px;
}

@media screen and (max-width: 640px) {
  .header__headline--kuraray {
    display: none;
  }
}

.header__headline--kuraray img {
  width: 100%;
}

.header__headline--noritake {
  width: 110px;
}

@media screen and (max-width: 640px) {
  .header__headline--noritake {
    display: none;
  }
}

.header__headline--noritake img {
  width: 100%;
}

.header__headline--cementationGuide {
  display: none;
}

@media screen and (max-width: 640px) {
  .header__headline--cementationGuide {
    display: block;
  }
}

.header__headline a {
  color: #2b2b2b;
}

.header__nav {
  background: #f9f9f9;
}

@media screen and (max-width: 640px) {
  .header__nav .cementList {
    display: flex;
    padding: 14px;
  }
}

@media screen and (max-width: 640px) {
  .header__nav .cementList--02 .cementList__item {
    width: 300px;
    height: 150px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    margin-bottom: 0;
  }
}

@media screen and (max-width: 640px) {
  .header__nav .cementList--03 .cementList__item {
    width: 200px;
    height: 120px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    margin-bottom: 0;
  }
}

/*
** Main
*/
.mainHead {
  background: #4d4d4d;
}

.mainHead__inner {
  width: 920px;
  margin: 0 auto;
  position: relative;
}

@media screen and (max-width: 640px) {
  .mainHead__inner {
    width: 100%;
  }
}

.mainHead a.back {
  display: block;
  width: 14px;
  height: 14px;
  border-top: 3px solid #fff;
  border-left: 3px solid #fff;
  position: absolute;
  top: 50%;
  left: 3px;
  margin-top: -7px;
  transform: rotate(-45deg);
}

@media screen and (max-width: 640px) {
  .mainHead a.back {
    width: 21px;
    height: 21px;
    border-top: 5px solid #fff;
    border-left: 5px solid #fff;
    left: 25px;
    margin-top: -10px;
  }
}

.mainHead a.back:hover {
  opacity: .7;
  transition: .3s;
}

@media screen and (max-width: 640px) {
  .mainHead a.back:hover {
    opacity: 1;
    transition: 0s;
  }
}

.main__headline {
  font-size: 24px;
  line-height: 55px;
  font-weight: 700;
  letter-spacing: .02em;
  color: #fff;
  text-align: center;
}

@media screen and (max-width: 640px) {
  .main__headline {
    font-size: 34px;
    line-height: 80px;
  }
}

.cementList {
  display: flex;
  justify-content: space-between;
  width: 920px;
  margin: 0 auto;
  padding: 40px 0;
}

@media screen and (max-width: 640px) {
  .cementList {
    display: block;
    width: 100%;
    padding: 40px 30px;
    box-sizing: border-box;
  }
}

.cementList--02 .cementList__item {
  width: 450px;
  height: 225px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

@media screen and (max-width: 640px) {
  .cementList--02 .cementList__item {
    width: 100%;
    height: 290px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
    margin-bottom: 40px;
  }
}

@media screen and (max-width: 640px) {
  .cementList--02 .cementList__item:last-child {
    margin-bottom: 0;
  }
}

.cementList--02 .cementList__item a:hover {
  opacity: .7;
  transition: .3s;
}

@media screen and (max-width: 640px) {
  .cementList--02 .cementList__item a:hover {
    opacity: 1;
    transition: 0s;
  }
}

.cementList--02 .cementList__item img {
  width: 100%;
  vertical-align: top;
}

.cementList--03 .cementList__item {
  width: 298px;
  height: 226px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

@media screen and (max-width: 640px) {
  .cementList--03 .cementList__item {
    width: 100%;
    height: 290px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
    margin-bottom: 40px;
  }
}

@media screen and (max-width: 640px) {
  .cementList--03 .cementList__item:last-child {
    margin-bottom: 0;
  }
}

.cementList--03 .cementList__item a:hover {
  opacity: .7;
  transition: .3s;
}

@media screen and (max-width: 640px) {
  .cementList--03 .cementList__item a:hover {
    opacity: 1;
    transition: 0s;
  }
}

.cementList--03 .cementList__item img {
  width: 100%;
  vertical-align: top;
}

/*
** Footer
*/
.footer {
  background: #4d4d4d;
  width: 100%;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  width: 920px;
  margin: 0 auto;
  padding: 27px 0 38px;
}

@media screen and (max-width: 640px) {
  .footer__inner {
    width: 100%;
    padding: 35px 30px;
    box-sizing: border-box;
  }
}

.footer .product {
  width: 100%;
  margin-bottom: 25px;
}

@media screen and (max-width: 640px) {
  .footer .product {
    margin-bottom: 50px;
  }
}

.footer .product__inner {
  width: 486px;
}

@media screen and (max-width: 640px) {
  .footer .product__inner {
    width: 100%;
  }
}

.footer .product__description {
  font-size: 13px;
  font-weight: 400;
  color: #fff;
}

@media screen and (max-width: 640px) {
  .footer .product__description {
    font-size: 22px;
    line-height: 38px;
  }
}

.footer .productList {
  display: table;
  width: 100%;
  margin: 8px 0;
  padding: 7px 0;
  border-top: 1px solid #6f6c6c;
  border-bottom: 1px solid #6f6c6c;
}

@media screen and (max-width: 640px) {
  .footer .productList {
    margin: 12px 0;
    padding: 12px 0;
  }
}

.footer .productList__item {
  display: table-row;
  font-size: 13px;
  line-height: 18px;
  font-weight: 400;
  color: #fff;
}

@media screen and (max-width: 640px) {
  .footer .productList__item {
    display: block;
    font-size: 22px;
    line-height: 36px;
    letter-spacing: .02em;
  }
}

.footer .productList__item--theme {
  width: 280px;
  display: table-cell;
}

@media screen and (max-width: 640px) {
  .footer .productList__item--theme {
    display: inline;
  }
}

.footer .productList__item--theme sup {
  font-size: 10px;
  vertical-align: super;
}

@media screen and (max-width: 640px) {
  .footer .productList__item--theme sup {
    font-size: 13px;
  }
}

.footer .productList__item--description {
  display: table-cell;
}

@media screen and (max-width: 640px) {
  .footer .productList__item--description {
    display: inline;
  }
}

.footer__logo {
  font-size: 21px;
  letter-spacing: .03em;
  color: #fff;
  font-weight: 700;
}

@media screen and (max-width: 640px) {
  .footer__logo {
    display: none;
  }
}

.footer__logo img {
  width: 100%;
}

.footer__copy {
  font-size: 10px;
  letter-spacing: .02em;
  color: #b2b2b2;
  font-weight: 400;
}

@media screen and (max-width: 640px) {
  .footer__copy {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 22px;
    line-height: 36px;
  }
}