@charset "UTF-8";
/*
 * 参考
 * https://github.com/Andy-set-studio/modern-css-reset/blob/master/src/reset.css
*/
/* Box sizing rules */
.kochchemie-system-contents *,
.kochchemie-system-contents *::before,
.kochchemie-system-contents *::after {
  box-sizing: border-box;
}

/* Remove default margin */
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd,
ul {
  margin: 0;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Set core root defaults */
html:focus-within {
  scroll-behavior: smooth;
}

/* Set core body defaults */
body {
  min-height: 100vh;
  text-rendering: optimizeSpeed;
  line-height: 1.5;
}

/* A elements that don't have a class get default styles */
a:not([class]) {
  -webkit-text-decoration-skip: ink;
          text-decoration-skip-ink: auto;
}

/* Make images easier to work with */
.kochchemie-system-contents img,
.kochchemie-system-contents picture {
  max-width: 100%;
  display: block;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
  font: inherit;
}

/* Remove all animations and transitions for people that prefer not to see them */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto;
  }
  *,
*::before,
*::after {
    -webkit-animation-duration: 0.01ms !important;
            animation-duration: 0.01ms !important;
    -webkit-animation-iteration-count: 1 !important;
            animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
/*****************************************
 * 数値から単位を取り除く
 * 参考
 * https://css-tricks.com/snippets/sass/
******************************************/
/*****************************************
 * px→remの計算
 * 参考
 * https://webdou.net/sass-rem/
 * Sassではmath.div関数の使用が推奨のため、スラッシュ(/)演算子から変更
******************************************/
/*****************************************
 * vwの計算
 * 参考
 * https://webdou.net/sass-vw/
 * Sassではmath.div関数の使用が推奨のため、スラッシュ(/)演算子から変更
******************************************/
/*****************************************
 * フォントサイズ用clamp関数
 * CSSにコンパイル時もclamp関数をそのまま出力する
******************************************/
html {
  font-size: 16px;
}
@media (max-width: 1280px) {
  html {
    font-size: 1.25vw;
  }
}
@media screen and (max-width: 768px) {
  html {
    font-size: 16px;
  }
}
@media (max-width: 375px) {
  html {
    font-size: 4.2666666667vw;
  }
}

body {
  font-weight: 400;
  color: #000;
}

a {
  text-decoration: none;
  color: inherit;
  transition: opacity 0.3s;
}

a:hover {
  opacity: 0.8;
}
@media screen and (max-width: 768px) {
  a:hover {
    opacity: 1;
  }
}

.layout-koch-logo {
  margin-top: 2.5rem;
}
@media screen and (max-width: 768px) {
  .layout-koch-logo {
    margin-top: 2.5rem;
  }
}
@media screen and (max-width: 428px) {
  .layout-koch-logo {
    margin-top: 1.25rem;
  }
}

.layout-nav {
  margin-top: 2.5rem;
}
@media screen and (max-width: 768px) {
  .layout-nav {
    margin-top: 2.5rem;
  }
}
@media screen and (max-width: 428px) {
  .layout-nav {
    margin-top: 1.25rem;
  }
}

.layout-more-btn {
  padding: 40px 0;
  text-align: center;
}

.layout-mv {
  margin-top: 5rem;
}
@media screen and (max-width: 768px) {
  .layout-mv {
    margin-top: 2.5rem;
  }
}
@media screen and (max-width: 428px) {
  .layout-mv {
    margin-top: 1.25rem;
  }
}

@media screen and (max-width: 768px) {
  .is-lg {
    display: none;
  }
}

.is-md {
  display: none;
}
@media screen and (max-width: 768px) {
  .is-md {
    display: block;
  }
}

.is-sm {
  display: none;
}
@media screen and (max-width: 428px) {
  .is-sm {
    display: block;
  }
}

@media screen and (max-width: 428px) {
  .is-lg-md {
    display: none;
  }
}

.more-btn {
  display: inline-block;
  padding: 1.25rem 6.25rem 1.25rem 3.125rem;
  border: 1px solid #000;
  color: #000;
  text-decoration: none;
  font-size: clamp(1.375rem, 1.5rem, 1.5rem);
  font-weight: normal;
  position: relative;
  transition: all 0.3s ease;
  text-wrap: nowrap;
}
@media screen and (max-width: 428px) {
  .more-btn {
    padding: 1.125rem 6.25rem 1.125rem 3.125rem;
    font-size: clamp(0.875rem, 1rem, 1rem);
  }
}
.more-btn::after {
  content: "";
  position: absolute;
  right: 3.375rem;
  top: 50%;
  width: 12px;
  height: 12px;
  border-bottom: 2px solid #ff0000;
  border-right: 2px solid #ff0000;
  transform: translateY(-50%) rotate(-45deg);
  transition: transform 0.3s ease;
}
.more-btn:hover {
  opacity: 0.7;
  color: #000;
}
.more-btn:hover::after {
  transform: translateY(-50%) translateX(5px) rotate(-45deg);
}

.g-inner {
  margin: auto;
  /* padding: 0 2.5rem; */
  max-width: 85rem;
  width: 100%;
}
@media screen and (max-width: 768px) {
  .g-inner {
    max-width: 48rem;
  }
}
@media screen and (max-width: 428px) {
  .g-inner {
    max-width: 26.75rem;
    /* padding: 0 1.25rem; */
  }
}

.g-header {
  display: flex;
  align-items: center;
}

.g-header__title-wrap {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0.625rem 0;
  gap: 1.4375rem;
}
@media screen and (max-width: 768px) {
  .g-header__title-wrap {
    gap: 1.125rem;
  }
}

.g-header__img {
  width: 4.8125rem;
  flex-shrink: 0;
}
@media screen and (max-width: 768px) {
  .g-header__img {
    width: 3.75rem;
  }
}

.g-header__img img {
  width: 100%;
  aspect-ratio: 1/1;
  -o-object-fit: contain;
     object-fit: contain;
}

.g-header__title-wrap .g-header__title {
  position: relative;
  z-index: 2;
  border-bottom: none !important;
  font-weight: 400 !important;
}

.g-header__title {
  font-size: clamp(1.375rem, 1.5rem, 1.5rem) !important;
}
@media screen and (max-width: 768px) {
  .g-header__title {
    line-height: 1.5;
  }
}

.ec-productRole__description > h2 {
  display: none;
}

.kochchemie-system-contents {
  color: #000;
  font-size: clamp(0.875rem, 1rem, 1rem);
  line-height: 1.75;
}

.ec-blockTopBtn {
  z-index: 100;
}

.koch-logo__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@media screen and (max-width: 428px) {
  .koch-logo__inner {
    flex-direction: column;
    align-items: start;
  }
}

.koch-logo__img {
  width: 42%;
}
@media screen and (max-width: 428px) {
  .koch-logo__img {
    width: 81%;
  }
}

.koch-logo__img:nth-of-type(2) {
  width: 42%;
}
@media screen and (max-width: 428px) {
  .koch-logo__img:nth-of-type(2) {
    width: 87%;
    margin-top: 1.25rem;
  }
}

.koch-logo__img img {
  width: 100%;
  aspect-ratio: 520/72;
  -o-object-fit: contain;
     object-fit: contain;
}

.koch-logo__img:nth-of-type(2) img {
  width: 100%;
  aspect-ratio: 514/64;
  -o-object-fit: contain;
     object-fit: contain;
}

.mv__title {
  font-size: clamp(5.875rem, 6.25rem, 6.25rem);
  font-weight: 800;
  font-family: "neue-haas-grotesk-display", sans-serif;
  line-height: 1.3;
  text-align: left;
}
@media screen and (max-width: 768px) {
  .mv__title {
    font-size: clamp(2.875rem, 3rem, 3rem);
  }
}
@media screen and (max-width: 428px) {
  .mv__title {
    font-size: clamp(2.5rem, 2.625rem, 2.625rem);
  }
}

.mv__img {
  width: 100%;
  margin-top: 1.875rem;
}

.mv__img img {
  width: 100%;
  aspect-ratio: 1280/547;
  -o-object-fit: cover;
     object-fit: cover;
}
@media screen and (max-width: 768px) {
  .mv__img img {
    aspect-ratio: 628/268;
  }
}
@media screen and (max-width: 428px) {
  .mv__img img {
    aspect-ratio: 348/149;
  }
}

.mv__text-wrap {
  margin: 3.125rem auto 0;
  width: 71%;
}
@media screen and (max-width: 768px) {
  .mv__text-wrap {
    margin: 2.5rem auto 0;
    width: 100%;
  }
}
@media screen and (max-width: 428px) {
  .mv__text-wrap {
    margin: 1.875rem auto 0;
    width: 100%;
  }
}

.mv__text {
  text-align: left;
  font-weight: 500;
  line-height: 2;
}
@media screen and (max-width: 768px) {
  .mv__text {
    font-size: clamp(0.75rem, 0.875rem, 0.875rem);
    line-height: 1.79;
  }
}

.nav__inner {
  background-color: #000;
  width: 100vw;
  max-width: 100vw;
  margin: 0 calc(50% - 50vw);
}
@media screen and (max-width: 428px) {
  .nav__inner {
    padding: 0;
  }
}

.nav.is-sticky {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 1000;
}
.nav.is-sticky .nav__inner {
  width: 100%;
}
@media screen and (max-width: 428px) {
  .nav.is-open .nav__list {
    display: flex;
  }
}

.nav__placeholder {
  display: block;
}

.nav__header {
  display: none;
}
@media screen and (max-width: 428px) {
  .nav__header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.5rem 1.25rem;
    border-bottom: 1px solid #707070;
    position: relative;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  .nav__header:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }
}

.nav__title {
  color: #fff;
  font-size: clamp(1.125rem, 1.25rem, 1.25rem);
  font-weight: 800;
  font-family: "neue-haas-grotesk-display", sans-serif;
  margin: 0;
}

.nav__toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 1rem;
  height: 1rem;
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
}
.nav__toggle::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.625rem;
  height: 0.625rem;
  border-bottom: 0.125rem solid #FF0000;
  border-right: 0.125rem solid #FF0000;
  transform: translate(-50%, -50%) rotate(45deg);
  transition: transform 0.3s ease-in-out;
}
.nav__toggle.is-open::before {
  transform: translate(-50%, -50%) rotate(225deg);
}

.nav__list {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 2%;
  list-style: none;
  padding: 1.25rem 1.875rem;
}
@media screen and (max-width: 700px) {
  .nav__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2%;
  }
}
@media screen and (max-width: 428px) {
  .nav__list {
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 0;
    padding: 0.75rem 1.25rem;
  }
}

.nav__item {
  text-align: center;
  flex: 0 1 auto;
}
@media screen and (max-width: 700px) {
  .nav__item {
    margin: 0 auto;
  }
}
@media screen and (max-width: 428px) {
  .nav__item {
    width: 100%;
  }
}

.nav__link {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  color: #fff;
  text-decoration: none;
  width: -webkit-fit-content;
  width: -moz-fit-content;
  width: fit-content;
  white-space: nowrap;
  font-size: clamp(1.375rem, 1.5rem, 1.5rem);
  font-weight: 800;
  font-family: "neue-haas-grotesk-display", sans-serif;
}
@media screen and (max-width: 768px) {
  .nav__link {
    font-size: clamp(1.125rem, 1.25rem, 1.25rem);
  }
}
@media screen and (max-width: 428px) {
  .nav__link {
    flex-direction: column;
    width: 100%;
    padding: 0.25rem 1.25rem;
  }
}

.nav__link span {
  margin-top: 0.5rem;
  display: block;
  font-size: clamp(0.625rem, 0.75rem, 0.75rem);
  font-weight: 600;
  color: #FF0000;
  font-family: "Noto Sans JP", sans-serif;
}
@media screen and (max-width: 768px) {
  .nav__link span {
    font-size: clamp(0.5rem, 0.625rem, 0.625rem);
    margin-top: 0rem;
  }
}

.nav__link:hover {
  opacity: 0.7;
  color: #fff;
}

.nav__link span:hover {
  opacity: 0.7;
  color: #FF0000;
}

.nav__item--quality {
  position: relative;
}

.nav__sublist {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: none;
  gap: 0.5rem;
}
@media screen and (max-width: 428px) {
  .nav__sublist {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
    gap: 1.5rem;
    margin: 0.5rem 0;
    padding: 0.5rem 1.25rem;
    position: relative;
  }
  .nav__sublist::before, .nav__sublist::after {
    content: "";
    position: absolute;
    width: 80%;
    height: 1px;
    background-image: repeating-linear-gradient(to right, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.3) 3px, transparent 3px, transparent 6px);
  }
  .nav__sublist::before {
    top: 0;
  }
  .nav__sublist::after {
    bottom: 0;
  }
}

.nav__subitem {
  width: 100%;
}
@media screen and (max-width: 428px) {
  .nav__subitem {
    width: auto;
    line-height: 1.5;
  }
}

.nav__sublink {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-decoration: none;
  font-size: clamp(1rem, 1.125rem, 1.125rem);
  font-weight: 800;
  font-family: "neue-haas-grotesk-display", sans-serif;
  white-space: nowrap;
}
@media screen and (max-width: 768px) {
  .nav__sublink {
    font-size: clamp(0.875rem, 1rem, 1rem);
  }
}
@media screen and (max-width: 428px) {
  .nav__sublink {
    width: auto;
    padding: 0.25rem 0;
  }
}

.nav__sublink span {
  margin-top: 0.25rem;
  display: block;
  font-size: clamp(0.625rem, 0.75rem, 0.75rem);
  font-weight: 600;
  color: #cbcbcb;
  font-family: "Noto Sans JP", sans-serif;
}
@media screen and (max-width: 768px) {
  .nav__sublink span {
    font-size: clamp(0.5rem, 0.625rem, 0.625rem);
  }
}

.nav__sublink:hover {
  opacity: 0.7;
}

.product-group {
  width: 100vw;
  margin: 11.25rem calc(50% - 50vw) 0;
  background-color: #000;
  color: #fff;
  padding: 9.6875rem 0 7.5rem;
  overflow-x: hidden;
}
@media screen and (max-width: 768px) {
  .product-group {
    padding: 5.625rem 0 5rem;
    margin: 3.75rem calc(50% - 50vw) 0;
  }
}
@media screen and (max-width: 428px) {
  .product-group {
    padding: 3.75rem 0;
    margin: 6.875rem calc(50% - 50vw) 0;
  }
}

.product-group__header {
  text-align: center;
  margin-bottom: 3.75rem;
}
@media screen and (max-width: 768px) {
  .product-group__header {
    margin-bottom: 2.5rem;
  }
}
@media screen and (max-width: 428px) {
  .product-group__header {
    margin-bottom: 3.625rem;
  }
}

.product-group__header-title {
  font-family: "neue-haas-grotesk-display", sans-serif;
  font-size: clamp(4.625rem, 4.75rem, 4.75rem);
  font-weight: 800;
}
@media screen and (max-width: 768px) {
  .product-group__header-title {
    font-size: clamp(2.875rem, 3rem, 3rem);
  }
}
@media screen and (max-width: 428px) {
  .product-group__header-title {
    font-size: clamp(2.5rem, 2.625rem, 2.625rem);
  }
}

.product-group__header-text-wrap {
  margin: 2.5rem auto 0;
  width: 50%;
}
@media screen and (max-width: 768px) {
  .product-group__header-text-wrap {
    width: 80%;
  }
}
@media screen and (max-width: 428px) {
  .product-group__header-text-wrap {
    margin: 1.5rem auto 0;
  }
}

.product-group__header-text {
  line-height: 2;
}
@media screen and (max-width: 768px) {
  .product-group__header-text {
    font-size: clamp(0.75rem, 0.875rem, 0.875rem);
    line-height: 1.8;
    text-align: left;
  }
}

.product-group__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}
@media screen and (max-width: 1024px) {
  .product-group__grid {
    grid-template-columns: repeat(4, 1fr);
    justify-content: center;
  }
}
@media screen and (max-width: 550px) {
  .product-group__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.product-group__item {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.25rem;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
}
@media screen and (max-width: 768px) {
  .product-group__item {
    padding: 0.9375rem;
  }
}
@media screen and (max-width: 428px) {
  .product-group__item {
    padding: 0.625rem;
  }
}

.product-group__item-upper {
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.product-group__item-lower {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  margin-top: 0.875rem;
}
@media screen and (max-width: 768px) {
  .product-group__item-lower {
    margin-top: 0.75rem;
  }
}

.product-group__item-title {
  font-family: "neue-haas-grotesk-display", sans-serif;
  font-size: clamp(1.375rem, 1.5rem, 1.5rem);
  font-weight: 800;
  display: block;
  line-height: 1;
  overflow-wrap: break-word;
  max-width: 100%;
}
@media screen and (max-width: 768px) {
  .product-group__item-title {
    font-size: clamp(0.875rem, 1rem, 1rem);
  }
}

.product-group__item-subtitle {
  font-size: clamp(0.75rem, 0.875rem, 0.875rem);
  font-weight: 700;
  display: block;
  line-height: 1.3;
  overflow-wrap: break-word;
  max-width: 100%;
}
@media screen and (max-width: 768px) {
  .product-group__item-subtitle {
    font-size: clamp(0.5rem, 0.625rem, 0.625rem);
  }
}

.product-group__item--green {
  background-color: #93D501;
}

.product-group__item--magenta {
  background-color: #C63385;
}

.product-group__item--orange {
  background-color: #FF5700;
}

.product-group__item--red {
  background-color: #F40031;
}

.product-group__item--teal {
  background-color: #00cBB4;
}

.product-group__item--brown {
  background-color: #817553;
}

.product-group__item--yellow {
  background-color: #FECC02;
}

.product-group__item--gray {
  background-color: #9C9C9C;
}

.product-group__item--blue {
  background-color: #02A0DB;
}

.product-group__item--black {
  background-color: #000;
  border: 2px solid #767676;
}

@media screen and (max-width: 1024px) {
  .product-group__item--center {
    grid-column: 2/3;
  }
}
@media screen and (max-width: 550px) {
  .product-group__item--center {
    grid-column: auto;
  }
}

@media screen and (max-width: 1024px) {
  .product-group__item--center:last-child {
    grid-column: 3/4;
  }
}
@media screen and (max-width: 550px) {
  .product-group__item--center:last-child {
    grid-column: auto;
  }
}

.product-img {
  width: 100vw;
  margin: 0 calc(50% - 50vw);
}

.product-img img {
  width: 100%;
  aspect-ratio: 1920/380;
  -o-object-fit: cover;
     object-fit: cover;
}
@media screen and (max-width: 768px) {
  .product-img img {
    aspect-ratio: 728/152;
  }
}
@media screen and (max-width: 428px) {
  .product-img img {
    aspect-ratio: 428/135;
  }
}

.abbreviation {
  width: 100vw;
  margin: 0 calc(50% - 50vw);
  background-color: #909396;
  padding: 8.125rem 0;
}
@media screen and (max-width: 768px) {
  .abbreviation {
    padding: 3.75rem 0;
  }
}
@media screen and (max-width: 428px) {
  .abbreviation {
    padding: 2.5rem 0;
  }
}

@media screen and (max-width: 768px) {
  .abbreviation__inner {
    width: 85%;
  }
}
@media screen and (max-width: 428px) {
  .abbreviation__inner {
    width: 100%;
  }
}

.abbreviation__header {
  text-align: center;
  margin-bottom: 3.75rem;
  color: #fff;
}

.abbreviation__title {
  font-size: clamp(5.875rem, 6.25rem, 6.25rem);
  font-weight: 800;
  font-family: "neue-haas-grotesk-display", sans-serif;
  line-height: 1.3;
  text-align: left;
}
@media screen and (max-width: 768px) {
  .abbreviation__title {
    font-size: clamp(2.875rem, 3rem, 3rem);
  }
}
@media screen and (max-width: 428px) {
  .abbreviation__title {
    font-size: clamp(2.5rem, 2.625rem, 2.625rem);
  }
}

.abbreviation__text-wrap {
  width: 50%;
  margin-right: auto;
  margin-top: 3.75rem;
}
@media screen and (max-width: 768px) {
  .abbreviation__text-wrap {
    width: 100%;
    margin-top: 2.5rem;
  }
}
@media screen and (max-width: 428px) {
  .abbreviation__text-wrap {
    margin-top: 1.875rem;
  }
}

.abbreviation__text {
  font-weight: 500;
  line-height: 2;
  text-align: left;
}
@media screen and (max-width: 768px) {
  .abbreviation__text {
    font-size: clamp(0.75rem, 0.875rem, 0.875rem);
    line-height: 1.8;
  }
}

.abbreviation__examples {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}
@media screen and (max-width: 768px) {
  .abbreviation__examples {
    grid-template-columns: repeat(1, 1fr);
    gap: 1.25rem;
  }
}

.abbreviation__example-img {
  flex: 1;
  background-color: #fff;
}

.abbreviation__example-img img {
  width: 100%;
  height: 100%;
  -o-object-fit: contain;
     object-fit: contain;
}
/*# sourceMappingURL=style.css.map */