@charset "UTF-8";
/*!
  Reset Stylesheet
  Author: yama-dev - https://github.com/yama-dev
  */
html, body, div, span, object, iframe, embed, main,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, u, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, tbody, tfoot, thead, tr, th, td, caption,
article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video, source {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-size: 100%;
  vertical-align: middle;
  background: transparent;
  box-sizing: border-box;
}

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
  display: block;
}

blockquote, q {
  quotes: none;
}

a {
  margin: 0;
  padding: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
}

ins {
  background-color: #ff9;
  color: #000;
  text-decoration: none;
}

mark {
  background-color: #ff9;
  color: #000;
  font-style: italic;
  font-weight: bold;
}

del {
  text-decoration: line-through;
}

abbr[title], dfn[title] {
  border-bottom: 1px dotted;
  cursor: help;
}

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

hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #cccccc;
  margin: 1em 0;
  padding: 0;
}

ol, ul {
  list-style: none;
}

button, input, select, textarea, datalist {
  vertical-align: middle;
  min-height: 1.5em;
  background-color: transparent;
}

input[type=submit], input[type=reset] {
  cursor: pointer;
}

input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0px 1000px transparent inset;
}

a[href^=tel] {
  display: inline-block;
  color: inherit;
}

.clearfix:after {
  content: ".";
  display: block;
  clear: both;
  height: 0;
  visibility: hidden;
}

iframe {
  border: none;
}

template {
  display: none;
}

[hidden] {
  display: none;
}

[tabindex="-1"]:focus:not(:focus-visible) {
  outline: 0;
}

[role=button] {
  cursor: pointer;
}

[aria-busy=true] {
  cursor: progress;
}

[aria-controls] {
  cursor: pointer;
}

[aria-disabled=true],
[disabled] {
  cursor: not-allowed;
}

body {
  line-height: 1;
}

body, button, input, select, textarea, datalist {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  word-wrap: break-word;
}

:root {
  --color-white: #fff;
  --color-black: #000;
  --color-blue: #c7ceff;
  --color-navy: #0a1b43;
  --color-frame-bg: rgba(21, 40, 75, 0.9);
  --color-frame-line01: #c7ceff;
  --color-frame-line02: #ffffff;
  --color-contents-bg: #223d6d;
  --color-header-bg01: #3c65ae;
  --color-header-bg02: #15284b;
  --color-footer-bg: #1B192E;
  --color-btn-red: #8f6084;
  --color-btn-purple: #4f4685;
  --color-btn-blue: #453bae;
  --ease-main: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-bound: cubic-bezier(0.34, 1.56, 0.64, 1);
  --font-jp: "Noto Serif JP","游ゴシック", YuGothic, "Helvetica", "ヒラギノ角ゴ ProN W3", "HiVragino Kaku Gothic ProN", "メイリオ", Meiryo, "Helvetica Neue", Arial, sans-serif;
  --font-en: "Cinzel", "Noto Serif JP", "游ゴシック", YuGothic, "Helvetica", "ヒラギノ角ゴ ProN W3", "HiVragino Kaku Gothic ProN", "メイリオ", Meiryo, "Helvetica Neue", Arial, sans-serif;
}

img {
  max-width: 100%;
  display: block;
  vertical-align: middle;
}

@media screen and (min-width: 900px) {
  .is-pc {
    display: block;
  }
  .is-sp {
    display: none;
  }
  .is-pc-inline {
    display: inline-block;
  }
  .is-sp-inline {
    display: none;
  }
}
@media screen and (max-width: 899px) {
  .is-pc {
    display: none;
  }
  .is-sp {
    display: block;
  }
  .is-pc-inline {
    display: none;
  }
  .is-sp-inline {
    display: inline-block;
  }
}
html {
  font-size: 0.625em;
}

body {
  font-family: var(--font-jp);
  color: var(--color-white);
  background-color: var(--color-black);
}
body.is-op-modal {
  overflow: hidden;
}

a {
  text-decoration: none;
}

.m-modal.m-modal-custom .m-modal__bg {
  background: url(/files/55/nikke/25/main/assets/img/menu.jpg) no-repeat center/cover;
  opacity: 0.8;
}
.m-modal.m-modal-custom .m-modal__content {
  width: 75%;
  max-width: 100%;
}
@media screen and (max-width: 899px) {
  .m-modal.m-modal-custom .m-modal__content {
    width: 90%;
  }
}
.m-modal.m-modal-custom .m-modal__close-btn {
  width: 40px;
  height: 40px;
  top: 10px;
  right: 10px;
  transition: transform 0.7s var(--ease-main);
}
@media screen and (min-width: 900px) {
  .m-modal.m-modal-custom .m-modal__close-btn:hover {
    transform: scale(0.9);
  }
}
.m-modal.m-modal-custom .m-modal__close-btn::before {
  width: 40px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-45deg);
}
.m-modal.m-modal-custom .m-modal__close-btn::after {
  width: 40px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}

.c-link.is-disable .c-link__text {
  opacity: 0.5;
  pointer-events: none;
}
.c-link.--nav .c-link__text {
  cursor: pointer;
}
.c-link__text {
  display: block;
  padding: 38px 0;
  color: var(--color-navy);
  font-size: 1.7em;
  font-weight: 700;
  text-align: center;
  position: relative;
  transition: color 0.7s var(--ease-main), background-color 0.7s var(--ease-main);
  background: url(/files/55/nikke/25/main/assets/img/btn_frame.png) no-repeat center/contain;
  transition: transform 0.7s var(--ease-main);
}
.--blank .c-link__text::before {
  content: "";
  display: block;
  width: 13px;
  height: 13px;
  position: absolute;
  top: 50%;
  right: 57px;
  transform: translateY(-50%);
  background: url(/files/55/nikke/25/main/assets/img/icon_link.svg) no-repeat center/contain;
  z-index: 2;
}
@media screen and (min-width: 900px) {
  .c-link__text:hover {
    transform: scale(0.97);
    background-color: none;
  }
}
@media screen and (max-width: 899px) {
  .c-link__text {
    padding: 21px 0;
    font-size: 1.2rem;
  }
}

.c-title {
  width: 40.6%;
  margin: 0 auto;
  position: relative;
}
.--top .is-active .c-title::before {
  transform: translate(-50%, -50%) scale(1);
  -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
}
.--top .is-active .c-title .c-title__text {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
}
.is-load .--in .c-title::before {
  transform: translate(-50%, -50%) scale(1);
  -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
}
.is-load .--in .c-title .c-title__text {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
}
@media screen and (min-width: 900px) {
  .c-title {
    min-width: 570px;
  }
}
@media screen and (max-width: 899px) {
  .c-title {
    width: 77.6%;
  }
}
.c-title::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1.05);
  background: url(/files/55/nikke/25/main/assets/img/title_bg.png) no-repeat center/contain;
  -webkit-clip-path: polygon(50% 0, 50% 0, 50% 100%, 50% 100%);
  clip-path: polygon(50% 0, 50% 0, 50% 100%, 50% 100%);
  transition: transform 1s var(--ease-main), -webkit-clip-path 1s var(--ease-main);
  transition: clip-path 1s var(--ease-main), transform 1s var(--ease-main);
  transition: clip-path 1s var(--ease-main), transform 1s var(--ease-main), -webkit-clip-path 1s var(--ease-main);
}
@media screen and (max-width: 899px) {
  .c-title::before {
    background: url(/files/55/nikke/25/main/assets/img/title_bg_sp.png) no-repeat center/contain;
  }
}
.c-title img {
  width: 100%;
  max-width: -webkit-fit-content;
  max-width: -moz-fit-content;
  max-width: fit-content;
  margin: 0 auto;
}

.c-title__text {
  width: 70%;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  opacity: 0;
  filter: blur(10px);
  transform: scale(1.03);
  transition: opacity 1s var(--ease-main) 0.2s, transform 1s var(--ease-main) 0.2s, filter 1s var(--ease-main) 0.2s;
}
@media screen and (max-width: 899px) {
  .c-title__text {
    width: 90%;
  }
}

.c-comingsoon {
  width: 400px;
  margin: 0 auto;
  font-family: var(--font-en);
  font-size: 4.7rem;
  font-weight: 700;
  color: var(--color-blue);
  text-align: center;
}
@media screen and (max-width: 899px) {
  .c-comingsoon {
    width: 56%;
    padding: 20px 0 50px;
    font-size: 2.4rem;
  }
}

.l-header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
}
.--top .l-header {
  pointer-events: none;
}
.is-header-active .--top .l-header {
  pointer-events: auto;
}
.l-header.--teaser {
  transition: opacity 1s var(--ease-main), filter 1s var(--ease-main), transform 1s var(--ease-main);
}
.is-scroll .l-header.--teaser {
  opacity: 0;
  filter: blur(14px);
}

.l-header__contents-logo {
  width: 130px;
  position: absolute;
  top: 22px;
  right: 10px;
  transition: opacity 0.7s var(--ease-main), transform 0.7s var(--ease-main);
  opacity: 0;
  transform: translateX(8px);
}
.is-load .l-header__contents-logo {
  opacity: 1;
  transform: translateX(0);
}
.l-header__contents-logo img {
  width: 100%;
}

@media screen and (max-width: 899px) {
  .l-header__menu {
    position: relative;
    padding-top: 40px;
  }
  .--top .l-header__menu {
    transform: translateY(-100%);
    transition: transform 0.6s var(--ease-main);
  }
  .is-header-active .--top .l-header__menu {
    transform: translateY(0);
  }
  .l-header__menu::before {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(to right, var(--color-header-bg01), var(--color-header-bg02), var(--color-header-bg01));
    border-bottom: 1px solid var(--color-blue);
    box-sizing: border-box;
  }
}
@media screen and (min-width: 900px) {
  .--top .l-header__menu-contents {
    transform: translateY(-100%);
    padding: 7px 0;
    background: linear-gradient(to right, var(--color-header-bg01), var(--color-header-bg02), var(--color-header-bg01));
    position: relative;
    transition: transform 0.6s var(--ease-main);
  }
  .--top .l-header__menu-contents::before {
    content: "";
    display: block;
    width: 100%;
    height: 1px;
    position: absolute;
    left: 0;
    bottom: 0;
    background: var(--color-frame-line03);
  }
  .is-header-active .--top .l-header__menu-contents {
    transform: translateY(0);
  }
}
@media screen and (max-width: 899px) {
  .l-header__menu-contents {
    width: 100%;
  }
}
.--top .l-header__menu-contents-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 89%;
  margin: 0 auto;
}
.l-header__menu-contents-logo {
  display: flex;
  align-items: flex-start;
}
@media screen and (max-width: 899px) {
  .l-header__menu-contents-logo {
    position: absolute;
    top: 6px;
    left: 17px;
    z-index: 2;
  }
}
@media screen and (min-width: 900px) {
  .--in .l-header__menu-contents-logo {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 2;
    transition: opacity 0.7s var(--ease-main), transform 0.7s var(--ease-main);
  }
}
.l-header__menu-contents-logo-item {
  width: 114px;
}
.l-header__menu-contents-logo-item.--official {
  width: 92px;
  margin-right: 4px;
  margin-top: 4px;
}
@media screen and (max-width: 899px) {
  .l-header__menu-contents-logo-item.--official {
    margin-top: 2px;
  }
}
@media screen and (max-width: 899px) {
  .l-header__menu-contents-logo-item {
    width: 85px;
    transition: opacity 0.7s var(--ease-main), transform 0.7s var(--ease-main);
    opacity: 0;
    transform: translateY(-8px);
  }
  .l-header__menu-contents-logo-item:nth-of-type(1) {
    width: 46px;
  }
  .l-header__menu-contents-logo-item:nth-of-type(2) {
    width: 56px;
  }
  .is-load .l-header__menu-contents-logo-item {
    opacity: 1;
    transform: translateY(0);
  }
}
.l-header__menu-contents-logo-item img {
  width: 100%;
}
@media screen and (min-width: 900px) {
  .--in .l-header__menu-contents-logo-item {
    width: 170px;
    opacity: 0;
    transform: translateY(-8px);
  }
  .is-load .--in .l-header__menu-contents-logo-item {
    opacity: 1;
    transform: translateY(0);
  }
}
@media screen and (max-width: 899px) {
  .--top .l-header__menu-contents-main {
    width: 100%;
    height: 100vh;
    min-height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.7s var(--ease-main);
    pointer-events: none;
  }
  .--top .l-header__menu-contents-main::before {
    content: "";
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: var(--color-frame-bg);
    opacity: 0.9;
  }
}
.--in .l-header__menu-contents-main {
  width: 100%;
  height: 100vh;
  min-height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.7s var(--ease-main);
  pointer-events: none;
}
.--in .l-header__menu-contents-main::before {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background-color: var(--color-frame-bg);
  opacity: 0.9;
}
.is-menu-open .l-header__menu-contents-main {
  opacity: 1;
  pointer-events: auto;
}
.l-header__menu-contents-main-list {
  display: flex;
  align-items: center;
  margin-top: 5px;
}
@media screen and (max-width: 899px) {
  .l-header__menu-contents-main-list {
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
}
.--in .l-header__menu-contents-main-list {
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.l-header__menu-contents-main-list-item {
  margin-left: 21px;
  cursor: pointer;
  opacity: 0;
  transform: scaleX(1.1);
  filter: blur(10px);
  transition: opacity 1s var(--ease-main), transform 1s var(--ease-main), filter 1s var(--ease-main);
}
.l-header__menu-contents-main-list-item:nth-of-type(1) {
  transition-delay: 0.3s;
}
.l-header__menu-contents-main-list-item:nth-of-type(2) {
  transition-delay: 0.4s;
}
.l-header__menu-contents-main-list-item:nth-of-type(3) {
  transition-delay: 0.5s;
}
.l-header__menu-contents-main-list-item:nth-of-type(4) {
  transition-delay: 0.6s;
}
.l-header__menu-contents-main-list-item:nth-of-type(5) {
  transition-delay: 0.7s;
}
.l-header__menu-contents-main-list-item:nth-of-type(6) {
  transition-delay: 0.8s;
}
.l-header__menu-contents-main-list-item:nth-of-type(7) {
  transition-delay: 0.9s;
}
.l-header__menu-contents-main-list-item:nth-of-type(8) {
  transition-delay: 1s;
}
.l-header__menu-contents-main-list-item:nth-of-type(9) {
  transition-delay: 1.1s;
}
.l-header__menu-contents-main-list-item:nth-of-type(10) {
  transition-delay: 1.2s;
}
.is-menu-open .l-header__menu-contents-main-list-item {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
}
@media screen and (min-width: 900px) {
  .--top .l-header__menu-contents-main-list-item {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
  }
}
@media screen and (max-width: 899px) {
  .l-header__menu-contents-main-list-item {
    text-align: center;
  }
  .l-header__menu-contents-main-list-item + .l-header__menu-contents-main-list-item {
    margin-top: 20px;
  }
}
.--in .l-header__menu-contents-main-list-item {
  text-align: center;
  margin-left: 0;
  margin-top: 34px;
}
.--in .l-header__menu-contents-main-list-item:first-of-type {
  margin-top: 0;
}
@media screen and (max-width: 899px) {
  .--in .l-header__menu-contents-main-list-item {
    margin-top: 20px;
  }
  .--in .l-header__menu-contents-main-list-item:first-of-type {
    margin-top: 0;
  }
}
.l-header__menu-contents-main-list-item .p-in-text {
  display: block;
  font-family: var(--font-en);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-blue);
  transition: transform 0.7s var(--ease-main);
}
@media screen and (min-width: 900px) {
  .l-header__menu-contents-main-list-item .p-in-text:hover {
    transform: translate(-2px, -2px);
  }
  .--in .l-header__menu-contents-main-list-item .p-in-text:hover {
    transform: translate(-4px, -4px);
  }
}
.--in .l-header__menu-contents-main-list-item .p-in-text {
  font-size: 4.6rem;
  letter-spacing: 0.06em;
}
@media screen and (max-width: 899px) {
  .--in .l-header__menu-contents-main-list-item .p-in-text {
    font-size: 2.4rem;
  }
}
@media screen and (max-width: 899px) {
  .l-header__menu-contents-main-list-item .p-in-text {
    font-size: 2.4rem;
  }
}

.l-header__btn {
  width: 30px;
  height: 30px;
  position: absolute;
  top: 10px;
  right: 10px;
  border-radius: 50rem;
  z-index: 10;
  border: 1px solid var(--color-blue);
  background-color: var(--color-header-bg01);
  cursor: pointer;
}
@media screen and (min-width: 900px) {
  .--top .l-header__btn {
    display: none;
  }
}
@media screen and (max-width: 899px) {
  .--top .l-header__btn {
    transition: opacity 0.7s var(--ease-main), transform 0.7s var(--ease-main);
    opacity: 0;
    transform: translateY(-8px);
  }
  .is-load .--top .l-header__btn {
    opacity: 1;
    transform: translateY(0);
  }
}
@media screen and (max-width: 899px) {
  .l-header__btn {
    border: 0;
    background-color: transparent;
    width: 16px;
    height: 10px;
    position: absolute;
    top: 14px;
    right: 20px;
  }
}
.--in .l-header__btn {
  width: 57px;
  height: 57px;
  top: 33px;
  right: 20px;
  transition: opacity 0.7s var(--ease-main), transform 0.7s var(--ease-main);
  opacity: 0;
  transform: translateY(-8px);
}
.is-load .--in .l-header__btn {
  opacity: 1;
  transform: translateY(0);
}
@media screen and (min-width: 900px) {
  .is-load .--in .l-header__btn:hover {
    transform: scale(0.9);
  }
}
@media screen and (max-width: 899px) {
  .--in .l-header__btn {
    border: 0;
    background-color: transparent;
    width: 16px;
    height: 10px;
    position: absolute;
    top: 14px;
    right: 20px;
  }
}
.l-header__btn .l-in-item {
  width: 20px;
  height: 1px;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--color-white);
  transition: opacity 0.7s var(--ease-main), transform 0.7s var(--ease-main), top 0.7s var(--ease-main);
}
@media screen and (max-width: 899px) {
  .l-header__btn .l-in-item {
    width: 16px;
  }
}
.l-header__btn .l-in-item:nth-of-type(1) {
  top: calc(50% - 5px);
}
@media screen and (max-width: 899px) {
  .l-header__btn .l-in-item:nth-of-type(1) {
    top: calc(50% - 4px);
  }
}
.is-menu-open .l-header__btn .l-in-item:nth-of-type(1) {
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}
.l-header__btn .l-in-item:nth-of-type(2) {
  top: 50%;
}
.is-menu-open .l-header__btn .l-in-item:nth-of-type(2) {
  opacity: 0;
}
.l-header__btn .l-in-item:nth-of-type(3) {
  top: calc(50% + 5px);
}
@media screen and (max-width: 899px) {
  .l-header__btn .l-in-item:nth-of-type(3) {
    top: calc(50% + 4px);
  }
}
.is-menu-open .l-header__btn .l-in-item:nth-of-type(3) {
  top: 50%;
  transform: translate(-50%, -50%) rotate(-45deg);
}

.l-footer {
  position: relative;
}

.l-footer__pagetop {
  width: 130px;
  position: absolute;
  top: -10px;
  right: 10px;
  transform: translateY(-100%);
  cursor: pointer;
}
.l-footer__pagetop img {
  transition: transform 0.7s var(--ease-bound);
}
@media screen and (min-width: 900px) {
  .l-footer__pagetop:hover img {
    transform: translateY(-10px);
  }
}
@media screen and (max-width: 899px) {
  .l-footer__pagetop {
    width: 93px;
    top: -17px;
    right: 11px;
  }
}

.l-footer__inner {
  padding: 30px 0;
  background-color: var(--color-header-bg02);
  position: relative;
}
@media screen and (max-width: 899px) {
  .l-footer__inner {
    padding: 39px 0 58px;
  }
}
.l-footer__inner::before {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  position: absolute;
  top: -5px;
  left: 0;
  background-color: var(--color-header-bg02);
}

.l-footer__logo {
  width: 150px;
  margin: 0 auto;
}
.l-footer__logo img {
  transition: transform 0.7s var(--ease-bound);
}
@media screen and (min-width: 900px) {
  .l-footer__logo:hover img {
    transform: translateY(-6px);
  }
}
@media screen and (max-width: 899px) {
  .l-footer__logo {
    width: 157px;
    margin: 0 auto 14px;
  }
}

.l-footer__copy {
  width: 90%;
  margin: 0 auto;
  color: var(--color-blue);
  text-align: center;
  font-size: 1.2rem;
  line-height: 1.5;
}
@media screen and (max-width: 899px) {
  .l-footer__copy {
    font-size: 0.9rem;
    line-height: 1.7;
    letter-spacing: 0.03em;
  }
}

.l-main {
  padding-bottom: 120px;
}
@media screen and (max-width: 899px) {
  .l-main {
    padding-bottom: 156px;
  }
}

.l-op_modal {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  overflow: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.7s var(--ease-main);
}
.is-op-modal .l-op_modal {
  transition: opacity 0.7s var(--ease-main) 1.5s;
  opacity: 1;
  pointer-events: auto;
}
.l-op_modal__bg {
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background-color: var(--color-frame-bg);
  opacity: 0.9;
  cursor: pointer;
}
.l-op_modal__close-btn {
  width: 40px;
  height: 40px;
  position: absolute;
  top: 10px;
  right: 10px;
  transition: transform 0.7s var(--ease-main);
  cursor: pointer;
  z-index: 1;
}
.l-op_modal__close-btn::before {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-45deg);
  background-color: var(--color-white);
}
.l-op_modal__close-btn::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  background-color: var(--color-white);
}
@media screen and (min-width: 900px) {
  .l-op_modal__close-btn:hover {
    transform: scale(0.9);
  }
}
.l-op_modal__content {
  width: 100%;
  height: 100vh;
  position: relative;
}
.l-op_modal__content-inner {
  width: 80%;
  min-width: 500px;
  height: auto;
  min-height: 500px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
@media screen and (max-width: 899px) {
  .l-op_modal__content-inner {
    width: 90%;
    min-width: auto;
    min-height: auto;
  }
}
.l-op_modal__content-item {
  width: 100%;
  padding-top: 56.25%;
  position: relative;
}
.l-op_modal__content-item iframe {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.l-wrap {
  display: grid;
  grid-template-rows: 1fr auto;
  grid-template-columns: 100%;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.l-in {
  position: relative;
  width: 62.7%;
  margin: 0 auto;
  padding: 153px 0;
}
@media screen and (min-width: 900px) {
  .l-in {
    min-width: 865px;
  }
}
@media screen and (max-width: 899px) {
  .l-in {
    width: 89%;
    margin: 0 auto;
    padding: 88px 0;
  }
}

.l-bg {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background: url(/files/55/nikke/25/main/assets/img/main_bg.jpg) no-repeat center top/cover;
  pointer-events: none;
}
.--top .l-bg {
  transition: opacity 2s var(--ease-main), filter 2s var(--ease-main), transform 3s var(--ease-main);
  opacity: 0;
  transform: scale(1.02);
  filter: brightness(3);
}
@media screen and (min-width: 900px) {
  .is-scroll .--top .l-bg {
    opacity: 1;
    transform: scale(1);
    filter: brightness(1);
  }
}
@media screen and (max-width: 899px) {
  .is-load .--top .l-bg {
    opacity: 1;
    transform: scale(1);
    filter: brightness(1);
  }
}
.l-bg__main {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}
.l-bg__star-item {
  width: 50px;
  position: absolute;
  opacity: 0;
  animation: kirakira 6s linear infinite;
}
@keyframes starRotate01 {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes starRotate02 {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(-360deg);
  }
}
@keyframes kirakira {
  0% {
    opacity: 0;
    filter: brightness(1);
    transform: scale(0.9) rotate(0);
  }
  30% {
    opacity: 1;
    filter: brightness(1.2);
    transform: scale(1);
  }
  60% {
    opacity: 0;
    filter: brightness(1);
    transform: scale(0.9);
  }
  100% {
    opacity: 0;
    filter: brightness(1);
    transform: scale(0.9);
  }
}
@media screen and (max-width: 899px) {
  .l-bg__star-item {
    width: 30px;
  }
}
.l-bg__star-item:nth-of-type(1) {
  left: 83.9%;
  top: 13.1%;
  animation-delay: 1s;
}
@media screen and (max-width: 899px) {
  .l-bg__star-item:nth-of-type(1) {
    left: 14%;
    top: 31.1%;
  }
}
.l-bg__star-item:nth-of-type(2) {
  left: 9.5%;
  top: 13.2%;
  animation-delay: 16s;
}
@media screen and (max-width: 899px) {
  .l-bg__star-item:nth-of-type(2) {
    left: 1.5%;
    top: 7.2%;
  }
}
.l-bg__star-item:nth-of-type(3) {
  left: 2.4%;
  top: 67.7%;
  animation-delay: 5s;
}
@media screen and (max-width: 899px) {
  .l-bg__star-item:nth-of-type(3) {
    left: -2.6%;
    top: 71.7%;
  }
}
.l-bg__star-item:nth-of-type(4) {
  left: 17.85%;
  top: 81.5%;
  animation-delay: 8s;
}
@media screen and (max-width: 899px) {
  .l-bg__star-item:nth-of-type(4) {
    left: 82.2%;
    top: 50.5%;
  }
}
.l-bg__star-item:nth-of-type(5) {
  left: 80.55%;
  top: 81.2%;
  animation-delay: 12s;
}
@media screen and (max-width: 899px) {
  .l-bg__star-item:nth-of-type(5) {
    left: 91.55%;
    top: 78.6%;
  }
}
.l-bg__particle {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
}
.l-bg__particle canvas {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.l-section {
  position: relative;
}

.l-frame {
  width: 900px;
  margin: 0 auto;
  position: relative;
  filter: blur(10px);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 1s var(--ease-main) 0.2s, transform 1s var(--ease-bound) 0.2s, filter 1s var(--ease-bound) 0.2s;
}
@media screen and (max-width: 899px) {
  .l-frame {
    width: 89.5%;
  }
}
.--top .is-active .l-frame {
  filter: blur(0);
  opacity: 1;
  transform: translateY(0);
}

.l-frame__bg {
  width: 100%;
  height: 100%;
  padding: 27.35% 0;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}
@media screen and (max-width: 899px) {
  .l-frame__bg {
    padding: 36% 0;
  }
}
.l-frame__bg-item {
  width: 100.5%;
  height: calc(100% + 2px);
  position: relative;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  background: url(/files/55/nikke/25/main/assets/img/frame_mid.png) repeat-y center/100% auto;
}
@media screen and (max-width: 899px) {
  .l-frame__bg-item {
    width: 100%;
    height: calc(100% + 1px);
    left: 1px;
    transform: translateX(0);
    background: url(/files/55/nikke/25/main/assets/img/frame_mid_sp.png) repeat-y center/100.4% auto;
  }
}

.l-frame__main {
  padding: 27.35% 0;
}
@media screen and (max-width: 899px) {
  .l-frame__main {
    padding: 36% 0;
  }
}
.l-frame__main::before {
  content: "";
  width: 100%;
  padding-top: 27.35%;
  position: absolute;
  top: 0;
  left: 0;
  background: url(/files/55/nikke/25/main/assets/img/frame_top.png) no-repeat center bottom/auto 100%;
}
@media screen and (max-width: 899px) {
  .l-frame__main::before {
    padding-top: 36%;
    left: 1px;
    background: url(/files/55/nikke/25/main/assets/img/frame_top_sp.png) no-repeat center bottom/auto 100%;
  }
}
.l-frame__main::after {
  content: "";
  width: 100%;
  padding-top: 27.35%;
  position: absolute;
  bottom: 0;
  left: 0;
  background: url(/files/55/nikke/25/main/assets/img/frame_btm.png) no-repeat center bottom/auto 100%;
}
@media screen and (max-width: 899px) {
  .l-frame__main::after {
    padding-top: 36%;
    left: 1px;
    background: url(/files/55/nikke/25/main/assets/img/frame_btm_sp.png) no-repeat center bottom/auto 100%;
  }
}

.l-frame__contents {
  margin: -10.3% 0 -6.6%;
  position: relative;
  z-index: 1;
}
@media screen and (max-width: 899px) {
  .l-frame__contents {
    margin: -10.3% 0 -12.3%;
  }
}
.l-frame__contents.--about {
  margin: -12.3% 0 -14.4%;
}
@media screen and (max-width: 899px) {
  .l-frame__contents.--about {
    margin: -12.3% 0 -7%;
  }
}
.l-frame__contents.--news {
  margin: -10.8% 0 -10%;
}
@media screen and (max-width: 899px) {
  .l-frame__contents.--news {
    margin: -10.3% 0 -12.3%;
  }
}
.l-frame__contents.--schedule {
  margin: -11.5% 0 -14%;
}
@media screen and (max-width: 899px) {
  .l-frame__contents.--schedule {
    margin: -11.5% 0 -10%;
  }
}
.l-frame__contents.--music {
  margin: -13.3% 0 -5.6%;
}
@media screen and (max-width: 899px) {
  .l-frame__contents.--music {
    margin: -12.3% 0 -9.2%;
  }
}
.l-frame__contents.--goods {
  margin: -10.3% 0;
}
@media screen and (max-width: 899px) {
  .l-frame__contents.--goods {
    margin: -15.3% 0;
  }
}
.l-frame__contents.--faq {
  margin: -10.9% 0 -10.8%;
}
@media screen and (max-width: 899px) {
  .l-frame__contents.--faq {
    margin: -10.9% 0 -10.8%;
  }
}
.l-frame__contents.--x {
  margin: -11.3% 0 -9.2%;
}
@media screen and (max-width: 899px) {
  .l-frame__contents.--x {
    margin: -11.3% 0 -9.2%;
  }
}
.l-frame__contents.--archive {
  margin: -0.1% 0 -1.6%;
}
@media screen and (max-width: 899px) {
  .l-frame__contents.--archive {
    margin: 0;
  }
}

.l-frame__head {
  width: -webkit-fit-content;
  width: -moz-fit-content;
  width: fit-content;
  margin: 0 auto;
  text-align: center;
  font-size: 2.1rem;
  letter-spacing: 0.2em;
  font-weight: 600;
  color: var(--color-blue);
  position: relative;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 1s var(--ease-main) 0.3s, transform 1s var(--ease-bound) 0.3s;
}
.is-active .l-frame__head {
  opacity: 1;
  transform: translateY(0);
}
@media screen and (max-width: 899px) {
  .l-frame__head {
    font-size: 1.6rem;
  }
}
.l-frame__head::before {
  content: "";
  display: block;
  width: 15px;
  height: 15px;
  position: absolute;
  top: 50%;
  left: -33px;
  transform: translateY(-50%);
  background: url(/files/55/nikke/25/main/assets/img/txt_deco.png) no-repeat center/contain;
}
.l-frame__head::after {
  content: "";
  display: block;
  width: 15px;
  height: 15px;
  position: absolute;
  top: 50%;
  right: -33px;
  transform: translateY(-50%);
  background: url(/files/55/nikke/25/main/assets/img/txt_deco.png) no-repeat center/contain;
}

.l-news {
  position: relative;
}

.l-news__list-item {
  border: 1px solid var(--color-blue);
  padding: 4px;
}
.l-news__list-item + .l-news__list-item {
  margin-top: 10px;
}
@media screen and (max-width: 899px) {
  .l-news__list-item + .l-news__list-item {
    margin-top: 5px;
  }
}
.l-news__list-item-inner {
  background-color: var(--color-frame-bg);
}
.l-news__list-link {
  display: block;
  color: var(--color-white);
  transition: background-color 0.7s var(--ease-main), color 0.7s var(--ease-main);
}
@media screen and (min-width: 900px) {
  .l-news__list-link:hover {
    color: var(--color-blue);
  }
  .l-news__list-link:hover .l-news__list-date {
    color: var(--color-white);
  }
}
.l-news__list-link.is-disable {
  pointer-events: none;
}
.l-news__list-link-inner {
  display: flex;
  align-items: center;
  padding: 27.5px 31px;
}
@media screen and (max-width: 899px) {
  .l-news__list-link-inner {
    display: block;
    padding: 11px 18px 15px;
  }
}
.l-news__list-date {
  margin-top: 5px;
  margin-right: 18px;
  font-family: var(--font-en);
  font-size: 1.3rem;
  letter-spacing: 0.16em;
  line-height: 1.2;
  font-weight: 500;
  color: var(--color-blue);
  transition: color 0.7s var(--ease-main);
}
@media screen and (max-width: 899px) {
  .l-news__list-date {
    font-size: 1.1rem;
  }
}
.l-news__list-title {
  flex: 1;
  font-size: 1.8rem;
  line-height: 1.2;
  letter-spacing: 0.02em;
}
@media screen and (max-width: 899px) {
  .l-news__list-title {
    margin-top: 11px;
    font-size: 1.3rem;
  }
}
.l-news__list-detail {
  width: 92.5%;
  margin: 0 auto;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.5);
}
.l-news__list-detail-text {
  font-size: 1.5rem;
  line-height: 1.5;
  letter-spacing: 0.05em;
}
@media screen and (max-width: 899px) {
  .l-news__list-detail-text {
    font-size: 1.2rem;
  }
}
.l-news__list-detail-text img {
  width: 100%;
  max-width: -webkit-fit-content;
  max-width: -moz-fit-content;
  max-width: fit-content;
}
.l-news__list-detail-text a {
  color: var(--color-white);
  text-decoration: underline;
  transition: opacity 0.5s var(--ease-main);
}
@media screen and (min-width: 900px) {
  .l-news__list-detail-text a:hover {
    opacity: 0.7;
  }
}