@charset "UTF-8";
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@300&family=Zen+Kaku+Gothic+New&display=swap");

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 全ページ共通

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  position: relative;
  font-family: "Zen Kaku Gothic New", YuGothic, "Yu Gothic medium", "Hiragino Sans", Meiryo, sans-serif;
  font-feature-settings: "palt";
  font-size: clamp(1.4rem, 1.3rem + 0.5vw, 1.6rem);
  color: #dddddd;
  letter-spacing: clamp(1px, 0.15vw, 2px);
  line-height: 1.8;
  overflow-wrap: anywhere;
  z-index: 0;
}

body::before {
  position: fixed;
  inset: 0;
  content: "";
  background: url(../images/jellyfish.jpg) center / cover no-repeat, #494250;
  pointer-events: none;
  z-index: -1;
}

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

*:hover,
*::before,
*::after {
  transition: 0.2s;
}

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 文字

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/

p {
  margin: 20px 0;
  letter-spacing: 1px;
  text-align: justify;
}

a {
  color: inherit;
  text-decoration-color: #ffd700;
  text-underline-offset: 4px;
  -moz-text-decoration-color: #ffd700;
}

/* ホバー時の設定 */

@media (hover: hover) {
  a:hover {
    background-color: rgba(221, 221, 221, 0.1);
  }
}

/*－－－－－－－－－－ 見出し －－－－－－－－－－*/

h1,
h2,
h3,
h4,
h5 {
  font-family: "Montserrat", "Zen Kaku Gothic New", YuGothic, "Yu Gothic medium", "Hiragino Sans", Meiryo, sans-serif;
  font-weight: normal;
  font-kerning: auto;
  font-feature-settings: "palt";
  letter-spacing: clamp(0.05em, 0.2vw, 0.2em);
  line-height: 1.3;
  text-transform: uppercase;
  word-break: break-word;
}

.en {
  font-family: "Montserrat", sans-serif;
  letter-spacing: 0.05em;
}

/*－－－－－－－－－－ 大見出し －－－－－－－－－－*/

.headingL {
  font-size: clamp(2.6rem, 2.2rem + 1.5vw, 4rem);
  margin: clamp(2rem, 2vw, 3rem) 0;
  color: #dddddd;
  letter-spacing: clamp(0.1em, 0.4vw, 0.3em);
  display: grid;
  grid-template-columns: clamp(16px, 3vw, 32px) auto 1fr;
  align-items: center;
  gap: clamp(10px, 2vw, 24px);
  text-shadow: 0 0 10px #000000;
}

.headingL::before, .headingL::after {
  content: "";
  display: block;
  height: 2px;
  background-color: #242027;
}

/*－－－－－－－－－－ 中見出し －－－－－－－－－－*/

.headingM {
  font-size: clamp(2.4rem, 2.2rem + 0.8vw, 2.8rem);
  margin: clamp(2rem, 1.5vw, 3rem) 0;
  padding-left: calc(clamp(14px, 2vw, 21px) + clamp(14px, 2vw, 17px));
  position: relative;
  width: fit-content;
  color: #dddddd;
}

.headingM::before {
  position: absolute;
  content: "";
  display: block;
  left: 0;
  top: 50%;
  width: clamp(14px, 2vw, 21px);
  height: clamp(14px, 2vw, 21px);
  border-top: clamp(6px, 1vw, 10px) dotted #dddddd;
  border-bottom: clamp(6px, 1vw, 10px) dotted #dddddd;
  transform: translateY(-50%) rotate(45deg);
}

/*－－－－－－－－－－ 小見出し －－－－－－－－－－*/

.headingS {
  font-size: clamp(2rem, 1.96rem + 0.2vw, 2.2rem);
  margin: 20px 0;
  color: #dddddd;
}

/*－－－－－－－－－－ 最小見出し －－－－－－－－－－*/

.headingSS {
  font-size: clamp(1.8rem, 1.76rem + 0.2vw, 2rem);
  margin: 20px 0;
}

/*－－－－－－－－－－ 文字装飾 －－－－－－－－－－*/

.right {
  text-align: right;
}

.center {
  text-align: center;
}

.marker {
  background: linear-gradient(transparent 60%, rgba(255, 255, 255, 0.1) 60%);
}

.label {
  display: block;
  margin: 20px 0;
  padding: 2px 10px;
  background-color: rgba(255, 255, 255, 0.1);
  width: -moz-fit-content;
  width: fit-content;
}

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 ライン

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/

hr.style1 {
  display: block;
  border: 0;  
  border-top: 1px dashed #494250;
  margin: 1.5em 0 1.5em 0;
  height: 1px;
}

hr.style2 {
  display: block;
  border: 0;  
  border-top: 1px dashed #494250;
  margin: 2em 0 2em 0;
  height: 1px;
}

hr.style3 {
  display: block;
  border: 0;  
  border-top: 1px dashed #494250;
  margin: 1em 0 0.5em 0;
  height: 1px;
}

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 アイコン等

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/

.la,
.las {
  font-size: 1.2em;
  color: #dddddd;
  position: relative;
  top: 2px;
}

/* 矢印 */

.arrow {
  width: 20px;
  height: 20px;
  border: 2px solid #dddddd;
  border-bottom: 0;
  border-left: 0;
  transform: rotate(45deg);
}

.circles {
  display: block;
  width: 21px;
  height: 21px;
  border-top: 10px dotted #dddddd;
  border-bottom: 10px dotted #dddddd;
  transform: rotate(45deg);
}

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 リスト

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/

.gridlist {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 0;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 10px;
}

.gridlist .gridlist__label,
.gridlist .gridlist__text {
  padding: 6px 20px;
  border-bottom: 1px solid #111111;
}

.gridlist .gridlist__label {
  display: flex;
  align-items: center;
  color: #dddddd;
}

.gridlist > *:nth-last-child(-n+2) {
  border-bottom: none;
}

/* スマホ */

@media (max-width: 520px) {
  .gridlist {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .gridlist .gridlist__text {
    margin-bottom: 0;
  }
  .gridlist > *:nth-last-child(-n+2) {
    border-bottom: 1px solid #111111;
  }
  .gridlist > *:last-child {
    border-bottom: none;
  }
}

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 枠組み

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/

.box {
  padding: clamp(25px, 4vw, 40px);
  background-color: rgba(255, 255, 255, 0.1);
}

.box > :first-child {
  margin-top: 0;
}

.box > :last-child {
  margin-bottom: 0;
}

.box + br{
  display: none;
}

br + .box{
  display: block;
}

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 レイアウト

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/

/*－－－－－－－－－－ 横並び －－－－－－－－－－*/

.flex {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(10px, 2vw, 20px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
  justify-content: center;
  align-items: center;
  gap: clamp(10px, 2vw, 20px);
}

/*－－－－－－－－－－ 2カラム表示 －－－－－－－－－－*/

.--2column {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 clamp(20px, 5vw, 60px);
}

/* タブレット・スマホでは1カラム */

@media (max-width: 520px) {
  .--2column {
    grid-template-columns: 1fr;
  }
}

/*－－－－－－－－－－ 左右反対 －－－－－－－－－－*/

.flex.reverse {
  flex-direction: row-reverse;
}

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 全体のレイアウト

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/

/*－－－－－－－－－－ ヘッダー －－－－－－－－－－*/

.header {
  position: fixed;
  display: grid;
  place-items: center;
  top: 0;
  left: 12.5%;
  z-index: 998;
  width: clamp(220px, 25%, 320px);
  transform: translateX(-50%);
}

@media (max-width: 1024px) {
  .header {
    position: fixed;
    display: grid;
    place-items: center;
    top: 0;
    left: 0;
    z-index: 998;
    width: clamp(220px, 25%, 320px);
    transform: none;
  }
}

/*－－－－－－－－－－ コンテンツ全体の横幅・余白 －－－－－－－－－－*/

.mainwrapper {
  position: relative;
  padding: clamp(16px, 3vw, 60px) clamp(12px, 4vw, 40px);
  background-color: rgba(17, 17, 17, 0.2);
}

/* PC */

@media (min-width: 1025px), print {
  .mainwrapper {
    max-width: 1202px;
    margin: 0 auto;
    margin-left: 25%;
    border: 1px solid #111111;
    border-top: none;
    border-bottom: none;
  }
}

/*－－－－－－－－－－ セクション －－－－－－－－－－*/

section {
  padding: clamp(24px, 4vw, 40px) 0;
}

section > :first-child {
  margin-top: 0;
}

section > :last-child {
  margin-bottom: 0;
}

section section {
  padding-top: 0;
  padding-bottom: 0;
}

.bg-white {
  padding: clamp(24px, 5vw, 48px);
  margin: clamp(24px, 5vw, 48px) 0;
}

.bg-white {
  background-color: rgba(36, 32, 39, 0.9);
}

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 メニューボタン

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/

.hamburger {
  position: fixed;
  display: flex;
  justify-content: center;
  align-items: center;
  top: clamp(12px, 2vw, 24px);
  right: clamp(12px, 2vw, 24px);
  width: 50px;
  height: 50px;
  background-color: rgba(17, 17, 17, 0.1);
  border: 1px solid #dddddd;
  cursor: pointer;
  border-radius: 999px;
  z-index: 999;
}

.hamburger .hamburger__line, .hamburger .hamburger__line::before, .hamburger .hamburger__line::after {
  position: absolute;
  width: 25px;
  height: 2px;
  background-color: #dddddd;
  content: "";
  transition: 0.3s;
}

.hamburger .hamburger__line {
  position: relative;
}

.hamburger .hamburger__line::before, .hamburger .hamburger__line::after {
  content: "";
  position: absolute;
  left: 0;
}

.hamburger .hamburger__line::before {
  top: -8px;
}

.hamburger .hamburger__line::after {
  bottom: -8px;
}

/* 閉じる */

.hamburger._active .hamburger__line {
  background: transparent;
}

.hamburger._active .hamburger__line::before {
  top: 0;
  transform: rotate(45deg);
}

.hamburger._active .hamburger__line::after {
  bottom: 0;
  transform: rotate(-45deg);
}

/* PCで非表示 */

@media (min-width: 1025px), print {
  .hamburger {
    display: none;
  }
}

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 メニュー

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/

.globalnav {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: clamp(24px, 4vw, 40px);
  background-color: rgba(17, 17, 17, 0.2);
  border: 1px solid #111111;
  border-top: none;
  border-bottom: none;
  height: 100dvh;
  width: fit-content;
  margin: 0 auto;
}

.globalnav__main .globalnav__item {
  position: relative;
  font-family: "Montserrat", "Zen Kaku Gothic New", YuGothic, "Yu Gothic medium", "Hiragino Sans", Meiryo, "sans-serif";
}

.globalnav__main .globalnav__item a {
  display: block;
  text-decoration: none;
  color: #dddddd;
  padding: 20px 40px;
  word-break: break-all;
  transition: 0.2s;
}

.globalnav__main .globalnav__item a:hover, .globalnav__main .globalnav__item a:has(+ .globalnav__child:hover) {
  background-color: rgba(0, 0, 0, 0.1);
}

.globalnav__main .globalnav__item._has-child:hover .globalnav__child {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: 0.4s;
}

.globalnav__main .globalnav__child {
  position: absolute;
  top: 0;
  left: 100%;
  width: max-content;
  max-width: 100%;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  background-color: rgba(0, 0, 0, 0.4);
  transition: 0.2s;
}

/* タブレット・スマホでの表示 */

@media (max-width: 1024px) {
  .globalnav {
    position: fixed;
    top: 0;
    width: min(500px, 50%);
    left: auto;
    right: 0;
    height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #494250;
    opacity: 0;
    transform: translateX(100%);
    transition: 0.4s;
  }
  .globalnav._active {
    opacity: 1;
    transform: translateX(0);
    will-change: transform;
    transition: 0.4s;
  }
  .globalnav__main {
    width: 100%;
  }
  .globalnav__main .globalnav__item a {
    color: #dddddd;
  }
  .globalnav__main .globalnav__item .globalnav__child {
    top: 100%;
    left: auto;
    right: 20px;
    background-color: #dddddd;
    min-width: calc(100% - 40px);
    max-width: calc(100vw - 40px);
    padding: 0 10px;
    z-index: 1;
    visibility: visible;
    /* JSで制御するため一旦表示 */
    opacity: 1;
    /* JSで制御するため一旦表示 */
    display: none;
    /* JSのtoggleで表示させるために非表示 */
  }
  .globalnav__main .globalnav__item .globalnav__child.active {
    display: block;
  }
  .globalnav__main .globalnav__item .globalnav__child li a {
    color: #000000;
    padding: 10px;
  }
  .globalnav__main .globalnav__item .globalnav__child li:not(:last-child) {
    border-bottom: 1px solid #111111;
  }
}

/* タブレット・スマホでメニューを開いた時に黒くする */

@media (max-width: 1180px) {
  .mainwrapper::after {
    position: fixed;
    top: 0;
    left: 0;
    content: "";
    display: block;
    width: 100vw;
    height: 100dvh;
    background-color: #000000;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
  }
  .mainwrapper._darker::after {
    visibility: visible;
    opacity: 0.6;
    pointer-events: auto;
    z-index: 99;
  }
}

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 サブメニュー

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/

.submenu {
  margin-bottom: 40px;
  container-type: inline-size;
  container-name: submenu;
}

.submenu__main {
  column-count: 2;
}

/* 親メニューのスタイル */

.submenu__item {
  position: relative;
  padding: 10px;
  break-inside: avoid;
}

.submenu__item a {
  display: block;
  padding: 8px 10px;
  text-decoration: none;
  word-break: break-word;
  transition: 0.2s;
}

.submenu__item > a {
  background-color: rgba(221, 221, 221, 0.1);
}

/* 子・孫メニューのスタイル */

.submenu__child > li > a {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: clamp(10px, 2vw, 20px);
}

.submenu__child > li > a::after {
  content: "";
  display: block;
  height: 1px;
  background: #111111;
}

.submenu__grandchild li {
  font-size: 1.4rem;
}

.submenu__grandchild li a {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: clamp(8px, 1.5vw, 12px);
}

.submenu__grandchild li a::before {
  content: "";
  display: block;
  height: 10px;
  background-color: transparent;
  background-image: radial-gradient(#dddddd 20%, transparent 22%);
  background-size: 10px 10px;
  background-position: 0 0;
}

@container submenu (max-width:600px) {
  .submenu__main {
    column-count: 1;
  }
}

/* リンク無効 aタグのホバー時のスタイルを削除 */

.submenu ._has-child > a {
  cursor: auto;
}

.submenu__child ._has-child > a:hover {
  background: none;
}

/* スマホ */

@media (max-width: 520px) {
  /* クリックで表示 */
  .submenu__item._has-child .submenu__child,
  .submenu__item._has-child .submenu__child li._has-child .submenu__grandchild {
    height: 0;
    overflow: hidden;
    opacity: 0;
    transition: 0.4s;
  }
  .submenu__item._has-child .submenu__child.active,
  .submenu__item._has-child .submenu__child li._has-child .submenu__grandchild.active {
    height: auto;
    overflow: auto;
    opacity: 1;
  }
}

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 ページUP

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/

.pageup {
  position: fixed;
  right: 2vw;
  bottom: 4vh;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 50px;
  height: 50px;
  background-color: rgba(17, 17, 17, 0.2);
  border: 1px solid #111111;
  border-radius: 50%;
  transition: 0.2s;
  opacity: 0;
}

.pageup .arrow {
  border-color: #111111;
  margin-top: 10px;
  transform: rotate(-45deg);
}

@media (hover: hover) {
  .pageup:hover {
    background-color: #dddddd;
  }
}

/*－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

 フッター

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－*/

footer {
  position: absolute;
  bottom: 0;
  right: 0;
  font-size: 1rem;
  color: #dddddd;
  padding: 10px;
}