@charset "UTF-8";
html {
  width: 100%;
  height: 100%;
  font-size: 62.5%;
}

@media screen and (max-width: 1920px) {
  html {
    font-size: 0.5208333333vw;
  }
}
@media screen and (max-width: 992px) {
  html {
    font-size: 1.2820512821vw;
  }
}
body {
  width: 100%;
  margin: 0;
  padding: 0;
  font-family: "游ゴシック", YuGothic, Arial, Roboto, "Droid Sans", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, sans-serif;
  overflow-x: hidden;
  font-weight: 500;
  line-height: 1.45;
  font-size: 1.4rem;
  color: #000;
}

a {
  cursor: pointer;
  text-decoration: none;
  outline: none;
  color: #000;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

/* ------- animation ------- */
.c-fixed {
  position: sticky;
  top: 0;
}

.c-lead {
  font-size: 3rem;
  line-height: 2;
  letter-spacing: -0.1em;
}

/* ------- utility ------- */
sup,
sub {
  font-size: 1rem;
}

section {
  position: relative;
}

.u-center {
  text-align: center;
}

.u-right {
  text-align: right;
}

.u-note {
  font-size: 1.4rem;
  font-weight: 500;
  color: #000;
  letter-spacing: 0.04em;
}

@media (max-width: 992px) {
  .l-main {
    overflow: hidden;
  }
  sup,
  sub {
    font-size: 0.8rem;
  }
  .u-note {
    font-size: 0.7rem;
  }
}
.btn,
a {
  transition: 0.3s ease;
}
@media (hover: hover) {
  .btn:hover,
  a:hover {
    opacity: 0.8;
  }
}

.js-border {
  -webkit-clip-path: inset(0 100% 0 0);
          clip-path: inset(0 100% 0 0);
  transition: 0.3s ease;
}
.js-border.is-active {
  -webkit-clip-path: inset(0);
          clip-path: inset(0);
}

.js-fadeIn {
  opacity: 0;
  -ms-transform: translateY(10px);
      transform: translateY(10px);
  filter: blur(4px);
  transition: 0.8s ease;
}
.js-fadeIn.is-active {
  opacity: 1;
  -ms-transform: translateY(0);
      transform: translateY(0);
  filter: blur(0);
}

/* ------- layout ------- */
.l-container {
  margin: 0 auto;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: justify;
      justify-content: space-between;
  position: relative;
  background: url("../img/bg.jpg") no-repeat center/cover;
  background-attachment: fixed;
  padding-right: 10rem;
}
.l-container.bg-2 {
  background-image: url("../img/bg_2.jpg");
}

.l-main__contents {
  width: 43.5%;
  max-width: 78rem;
  background-color: #fff;
}

.l-side__left {
  width: 57%;
  padding: 0 3rem;
}
.l-side__left .c-fixed {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
      align-items: center;
  -ms-flex-direction: column;
      flex-direction: column;
  height: 100vh;
  padding-top: 8rem;
}
.l-side__left .diane-logo {
  margin-top: 6rem;
}
.l-side__left .page-nav {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
      flex-direction: column;
  gap: 2rem;
  margin-top: 5rem;
}
.l-side__left .page-nav a {
  font-size: max(1.6rem, 16px);
  color: #000;
  letter-spacing: 0.1em;
  position: relative;
  width: 160px;
  height: 38px;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
      align-items: center;
  -ms-flex-pack: center;
      justify-content: center;
  font-weight: 500;
}
.l-side__left .page-nav a::before, .l-side__left .page-nav a::after {
  content: "";
  display: block;
  position: absolute;
  background-color: #000;
  transition: 1s cubic-bezier(0.22, 1, 0.36, 1);
}
.l-side__left .page-nav a::before {
  width: 0;
  height: 1px;
  left: 0;
  top: 0;
}
.l-side__left .page-nav a::after {
  width: 1px;
  height: 0;
  top: 0;
  left: 0;
}
.l-side__left .page-nav a span::before, .l-side__left .page-nav a span::after {
  content: "";
  display: block;
  position: absolute;
  background-color: #000;
  transition: 1s cubic-bezier(0.22, 1, 0.36, 1);
}
.l-side__left .page-nav a span::before {
  width: 0;
  height: 1px;
  right: 0;
  bottom: 0;
}
.l-side__left .page-nav a span::after {
  width: 1px;
  height: 0;
  bottom: 0;
  right: 0;
}
.l-side__left .page-nav a.is-active::before {
  width: 90%;
}
.l-side__left .page-nav a.is-active::after {
  height: 50%;
}
.l-side__left .page-nav a.is-active span::before {
  width: 90%;
}
.l-side__left .page-nav a.is-active span::after {
  height: 50%;
}
@media (hover: hover) {
  .l-side__left .page-nav a:hover::before {
    width: 90%;
  }
  .l-side__left .page-nav a:hover::after {
    height: 50%;
  }
  .l-side__left .page-nav a:hover span::before {
    width: 90%;
  }
  .l-side__left .page-nav a:hover span::after {
    height: 50%;
  }
}

@media (max-width: 992px) {
  .l-container {
    padding-right: 0;
  }
  .l-side__left {
    display: none;
  }
  .l-main__contents {
    width: 100%;
  }
}
.c-btn-area {
  background-color: #abbbcc;
  text-align: center;
  border-radius: 8px;
  padding: 1.6rem 1.2rem 1.2rem;
}
.c-btn-area .text {
  /* margin-bottom: 2rem; */
  width: 80%;
  margin: 0 auto 2rem;
}
.c-btn-area  a img {
  width: 95%;
  margin: 0 auto;
}

/* ------- mv ------- */
.p-mv {
  position: relative;
  z-index: 100;
  position: relative;
}
.p-mv .u-sp {
  display: none;
}

.p-mv__ttl {
  position: absolute;
  top: 8%;
  left: 10%;
  width: 100%;
  max-width: 61.8rem;
}
.p-mv__ttl img {
  width: 100%;
}
.p-mv__ttl .c-border {
  position: absolute;
  bottom: -32%;
  left: 0;
  width: 100%;
  max-width: 62.6rem;
}
.p-mv__ttl .c-border img {
  width: 100%;
}

.p-mv__text {
  position: absolute;
  top: 15%;
  left: 50%;
  width: 100%;
  max-width: 34.3rem;
}

.p-mv__list {
  position: absolute;
  top: 45%;
  left: 59%;
  width: 100%;
  max-width: 26.5rem;
}
.p-mv__list .c-check {
  display: block;
  width: 4.5rem;
  height: 4.5rem;
  position: absolute;
  left: 1%;
}
.p-mv__list .c-check::after {
  border-right: 0.8rem solid #7937af;
  border-top: 0.8rem solid #7937af;
  content: "";
  display: block;
  width: 2rem;
  height: 4rem;
  left: 4px;
  opacity: 0;
  position: absolute;
  top: 40%;
  -ms-transform-origin: left top;
      transform-origin: left top;
  -ms-transform: scaleX(-1) rotate(135deg);
      transform: scaleX(-1) rotate(135deg);
}
.p-mv__list .c-check.check-1 {
  top: 0;
}
.p-mv__list .c-check.check-1::after {
  border-color: #ffd3ee;
}
.p-mv__list .c-check.check-2 {
  top: 24%;
}
.p-mv__list .c-check.check-2::after {
  border-color: #fdf17c;
  animation-delay: 0.4s;
}
.p-mv__list .c-check.check-3 {
  top: 54%;
}
.p-mv__list .c-check.check-3::after {
  border-color: #b5edff;
  animation-delay: 1s;
}
.p-mv__list .c-check.check-4 {
  top: 80%;
}
.p-mv__list .c-check.check-4::after {
  border-color: #8de583;
  animation-delay: 1.6s;
}
.p-mv__list.js-check.is-active .c-check::after {
  animation-name: check;
  animation-duration: 0.5s;
  animation-timing-function: ease;
  animation-fill-mode: forwards;
}
@keyframes check {
  0% {
    height: 0;
    width: 0;
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  50% {
    opacity: 1;
    width: 2rem;
    height: 0;
  }
  100% {
    opacity: 1;
    width: 2rem;
    height: 4rem;
  }
}

.p-mv__note {
  font-size: 1.6rem;
  position: absolute;
  bottom: 3.5%;
  left: 3%;
  letter-spacing: -0.02em;
  width: 93.5%;
  font-feature-settings: "palt";
}

/* ------- mv b pattern ------- */
.p-mv-b .p-mv__ttl {
  position: absolute;
  top: 50%;
  left: 5%;
  width: 100%;
  max-width: initial;
}
.p-mv-b .p-mv__ttl .text-1 {
  width: 100%;
  max-width: 55rem;
}
.p-mv-b .p-mv__ttl .text-2 {
  width: 100%;
  max-width: 69.4rem;
  position: relative;
  z-index: 1;
}
.p-mv-b .p-mv__ttl .item {
  position: relative;
}
.p-mv-b .p-mv__ttl .item:first-child .c-border {
  width: 100%;
  max-width: 57.7rem;
}
.p-mv-b .p-mv__ttl .item:last-child {
  margin-top: -2.6rem;
}
.p-mv-b .p-mv__ttl .item:last-child .c-border {
  width: 100%;
  max-width: 69rem;
  bottom: -28%;
  transition-delay: 0.2s;
}
.p-mv-b .p-mv__text {
  position: absolute;
  top: 79.4%;
  left: 8%;
  width: 100%;
  max-width: 66rem;
}
.p-mv-b .p-mv__list {
  position: absolute;
  top: 71.4%;
  left: 7.5%;
  width: 100%;
  max-width: 63rem;
}
.p-mv-b .p-mv__list .c-check.check-1 {
  top: 0;
}
.p-mv-b .p-mv__list .c-check.check-2 {
  top: 54%;
}
.p-mv-b .p-mv__list .c-check.check-2::after {
  animation-delay: 1s;
}
.p-mv-b .p-mv__list .c-check.check-3 {
  top: 0%;
  left: 54%;
}
.p-mv-b .p-mv__list .c-check.check-3::after {
  animation-delay: 0.4s;
}
.p-mv-b .p-mv__list .c-check.check-4 {
  top: 58%;
  left: 54%;
}
.p-mv-b .p-mv__list .c-check.check-4::after {
  animation-delay: 1.6s;
}

/* ------- mv c pattern ------- */
.p-mv-c .p-mv__ttl {
  position: absolute;
  top: 50%;
  left: 9%;
  width: 100%;
  max-width: 61.8rem;
  -ms-transform: rotate(3deg);
      transform: rotate(3deg);
}
.p-mv-c .p-mv__ttl img {
  width: 100%;
}
.p-mv-c .p-mv__ttl .c-border {
  position: absolute;
  bottom: -31%;
  left: 0;
  width: 100%;
  max-width: 62.7rem;
}
.p-mv-c .p-mv__ttl .c-border img {
  width: 100%;
}
.p-mv-c .p-mv__text {
  position: absolute;
  top: 34.5%;
  left: 6%;
  width: 100%;
  max-width: 24.1rem;
}
.p-mv-c .p-mv__list {
  position: absolute;
  top: 61.8%;
  left: 10.5%;
  width: 100%;
  max-width: 62.2rem;
}
.p-mv-c .p-mv__list .c-check.check-1 {
  top: 0;
}
.p-mv-c .p-mv__list .c-check.check-2 {
  top: 54%;
}
.p-mv-c .p-mv__list .c-check.check-2::after {
  animation-delay: 1s;
}
.p-mv-c .p-mv__list .c-check.check-3 {
  top: 0%;
  left: 54%;
}
.p-mv-c .p-mv__list .c-check.check-3::after {
  animation-delay: 0.4s;
}
.p-mv-c .p-mv__list .c-check.check-4 {
  top: 58%;
  left: 54%;
}
.p-mv-c .p-mv__list .c-check.check-4::after {
  animation-delay: 1.6s;
}

/* ------- mv d pattern ------- */
.p-mv-d .p-mv__ttl {
  position: absolute;
  top: 52.8%;
  left: 5.4%;
  width: 100%;
  max-width: initial;
}
.p-mv-d .p-mv__ttl .text-1 {
  width: 100%;
  max-width: 55rem;
}
.p-mv-d .p-mv__ttl .text-2 {
  width: 100%;
  max-width: 69.4rem;
  position: relative;
  z-index: 1;
}
.p-mv-d .p-mv__ttl .item {
  position: relative;
}
.p-mv-d .p-mv__ttl .item:first-child .c-border {
  width: 100%;
  max-width: 57.7rem;
  bottom: -38%;
  left: -0.8%;
}
.p-mv-d .p-mv__ttl .item:last-child {
  margin-top: -2.6rem;
}
.p-mv-d .p-mv__ttl .item:last-child .c-border {
  width: 100%;
  max-width: 69rem;
  bottom: -28%;
  transition-delay: 0.2s;
}
.p-mv-d .p-mv__text {
  position: absolute;
  top: 79.4%;
  left: 8%;
  width: 100%;
  max-width: 66rem;
}
.p-mv-d .p-mv__list {
  position: absolute;
  top: 71.4%;
  left: 7.5%;
  width: 100%;
  max-width: 63rem;
}
.p-mv-d .p-mv__list .c-check.check-1 {
  top: 0;
}
.p-mv-d .p-mv__list .c-check.check-2 {
  top: 54%;
}
.p-mv-d .p-mv__list .c-check.check-2::after {
  animation-delay: 1s;
}
.p-mv-d .p-mv__list .c-check.check-3 {
  top: 0%;
  left: 54%;
}
.p-mv-d .p-mv__list .c-check.check-3::after {
  animation-delay: 0.4s;
}
.p-mv-d .p-mv__list .c-check.check-4 {
  top: 58%;
  left: 54%;
}
.p-mv-d .p-mv__list .c-check.check-4::after {
  animation-delay: 1.6s;
}

/* ------- series ------- */
.p-series {
  background: url("../img/series_bg.png") no-repeat top left/cover;
  padding-bottom: 7rem;
}

.p-series__products {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: end;
      justify-content: flex-end;
  -ms-flex-align: end;
      align-items: flex-end;
  gap: 7.4rem;
  padding-right: 5rem;
  position: relative;
}
.p-series__products .series-ttl {
  position: absolute;
  max-width: 10rem;
}
.p-series__products .item {
  width: 50%;
  max-width: 24rem;
}
.p-series__products .item2 {
  width: 100%;
  max-width: 45rem;
  margin: 0 auto 0 22rem;
}
.p-series__products .c-btn-area {
  width: 92%;
  max-width: 21.4rem;
  /* margin: 5rem auto 0; */
  margin: 2rem auto 0;
}
.p-series__products.inbath {
  padding-top: 5rem;
}
.p-series__products.inbath .series-ttl {
  top: 13%;
  left: 0;
}
.p-series__products.outbath {
  margin-top: 8.8rem;
  padding-right: 0;
  -ms-flex-pack: start;
      justify-content: flex-start;
  padding-left: 6.8rem;
}
.p-series__products.outbath .series-ttl {
  top: 0;
  right: 0;
}

/* ------- check ------- */
.p-check__block {
  position: relative;
}
.p-check__block .text {
  position: absolute;
  bottom: 7%;
  left: 50%;
  -ms-transform: translateX(-50%);
      transform: translateX(-50%);
  width: 100%;
  max-width: 47.5rem;
  filter: blur(0);
}
.p-check__block.block-1 {
  z-index: 1;
}
.p-check__block.block-2 {
  margin-top: -3rem;
}

.p-products__container {
  background: url("../img/products_bg.png") no-repeat top left/cover;
  padding-top: 7rem;
}
.p-products__container .p-products__block {
  padding-bottom: 5rem;
}
.p-products__container .p-products__block .p-products__list {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: end;
      align-items: flex-end;
  -ms-flex-pack: center;
      justify-content: center;
  text-align: center;
  gap: 4rem;
}
.p-products__container .p-products__block .p-products__list figure {
  margin: 0 auto;
}
.p-products__container .p-products__block .p-products__list figure.shampoo {
  max-width: 17.6rem;
}
.p-products__container .p-products__block .p-products__list figure.treatment {
  max-width: 17.7rem;
}
.p-products__container .p-products__block .p-products__list figure.hairmilk {
  max-width: 13.6rem;
}
.p-products__container .p-products__block .p-products__list figure.hairoil {
  max-width: 16.6rem;
}
.p-products__container .p-products__block .p-products__list .products-ttl {
  font-size: 2.4rem;
  text-align: center;
  color: #333333;
  margin-top: 3rem;
}
.p-products__container .p-products__block .p-products__list .c-btn-area {
  width: 100%;
  max-width: 32.2rem;
  margin: 0 auto;
  margin-top: 2rem;
  padding: 2rem;
}
.p-products__container .p-products__block .c-btn-area.set {
  width: 100%;
  max-width: 32.2rem;
  margin: 0 auto;
  margin-top: 2rem;
  padding: 2rem;
}
.p-products__container .p-products__block .p-products__list .c-btn-area .text {
  margin-bottom: 3rem;
}
.p-products__container .p-products__block.block-1 {
  background: url("../img/products_bg_blue.png") no-repeat bottom center/100%;
}
.p-products__container .p-products__block.block-1 .c-ttl-block {
  width: 100%;
  max-width: 61.8rem;
  margin: 0 auto;
  margin-bottom: 2rem;
}
.p-products__container .p-products__block.block-2 {
  background: url("../img/products_bg_yellow.png") no-repeat bottom center/100%;
  padding-top: 5rem;
  padding-bottom: 4rem;
}
.p-products__container .p-products__block.block-2 .c-ttl-block {
  width: 100%;
  max-width: 51rem;
  margin: 0 auto;
  margin-bottom: 2rem;
  text-align: center;
}
.p-products__container .p-products__block.block-2 .c-ttl-block .c-border {
  max-width: 37.5rem;
  margin: 0 auto;
}

/* ------------ feature ------------ */
.p-feature {
  background: url("../img/feature_bg.png") no-repeat bottom left/cover;
  padding-top: 6rem;
  padding-bottom: 12rem;
  overflow: hidden;
  position: relative;
  z-index: 1;
}
.p-feature .c-ttl-block {
  width: 100%;
  max-width: 49.4rem;
  margin: 0 auto 10rem;
  text-align: center;
  position: relative;
}
.p-feature .c-ttl-block .c-border {
  width: 100%;
  max-width: 32rem;
  position: absolute;
  bottom: -10%;
  left: 50%;
  -ms-transform: translateX(-50%);
      transform: translateX(-50%);
}

.p-feature__block .item {
  width: 97.5%;
}
.p-feature__block .item:nth-child(odd) {
  -ms-transform: translateX(-1.5%);
      transform: translateX(-1.5%);
}
.p-feature__block .item:nth-child(even) {
  margin: 0 0 0 auto;
  -ms-transform: translateX(1.5%);
      transform: translateX(1.5%);
}
.p-feature__block .item:nth-child(2) {
  width: 95%;
  margin-top: -2.4rem;
}
.p-feature__block .item:nth-child(4) {
  width: 94.5%;
  margin-top: 1.5rem;
}

/* ------------ how top ------------ */
.p-feature + .p-how-to-use {
  margin-top: -3rem;
}

.p-how-to-use {
  background-color: #f2f2f2;
  padding: 10rem 0;
}
.p-how-to-use .c-ttl {
  text-align: center;
  max-width: 32.5rem;
  margin: 0 auto;
}

.p-how-to-use__block {
  width: 92%;
  max-width: 68rem;
  margin: 4rem auto 0;
}
.p-how-to-use__block .tab-container {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.p-how-to-use__block .tab {
  text-align: center;
  width: 50%;
  cursor: pointer;
}
.p-how-to-use__block .content_area {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 30px 20px;
}
.p-how-to-use__block .content {
  display: none;
}
.p-how-to-use__block .content.show {
  display: block;
}

/* ------------ voice ------------ */
/* ------------ line-up ------------ */
.p-line-up {
  padding-top: 7rem;
  padding-bottom: 4rem;
  background-color: #f2f2f2;
}
.p-line-up .c-ttl {
  text-align: center;
  max-width: 24.7rem;
  margin: 0 auto 6rem;
}

.p-line-up__list {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: end;
      align-items: flex-end;
  -ms-flex-pack: center;
      justify-content: center;
  text-align: center;
  gap: 8rem;
}
.p-line-up__list figure {
  margin: 0 auto;
}
.p-line-up__list figure.shampoo {
  max-width: 14.2rem;
}
.p-line-up__list figure.treatment {
  max-width: 14.3rem;
}
.p-line-up__list figure.hairmilk {
  max-width: 9.5rem;
}
.p-line-up__list figure.hairoil {
  max-width: 11.6rem;
}
.p-line-up__list .products-ttl {
  font-size: 2.4rem;
  text-align: center;
  color: #333333;
  margin-top: 1.4rem;
}
.p-line-up__list .c-btn-area {
  width: 100%;
  max-width: 32.2rem;
  margin: 0 auto;
  margin-top: 2rem;
  padding: 2rem;
}
.p-line-up__list .c-btn-area .text {
  margin-bottom: 3rem;
}
.p-line-up__list:last-of-type {
  margin-top: 5rem;
}

/* ------- foot ------- */
.p-foot {
  padding: 5rem 0;
}

.p-foot ul {
  margin-bottom: 3rem;
}

.p-foot ul li {
  line-height: 1;
  text-align: center;
}
.p-foot ul li:not(:last-child) {
  margin-bottom: 3.6rem;
}

.p-foot ul li a {
  font-size: max(2.4rem, 16px);
  color: #333333;
  font-weight: 500;
}

.p-copyright {
  font-size: 2.4rem;
  text-align: center;
  letter-spacing: 0.1em;
  font-weight: 500;
}

@media (max-width: 992px) {
  .p-foot {
    padding-bottom: 40%;
  }
  .p-foot ul {
    padding-top: 4rem;
  }
}
/* ------- floating btn ------- */
@media (min-width: 993px) {
  .c-floating {
    display: none !important;
  }
}
@media (max-width: 992px) {
  .c-floating {
    display: none;
    position: fixed;
    left: 0;
    bottom: 0;
    z-index: 999999;
    width: 100%;
  }
}