/*
@include max-pc() {

}
@include mobile-tablet() {

}
@include sp-tablet() {

}
*/
:root {
  --font-eu: "Be Vietnam Pro", sans-serif;
  --font-title: "Montserrat", sans-serif;
  --font-ja: "Noto Sans JP", sans-serif;
  --font-numbers: "Jost", sans-serif;
  --font-color-base: #333333;
  --font-color-deep-blue: #0D2F62;
  --font-color-black: #000000;
  --font-color-soft-blue: #C8D5DF;
  --font-color-gray: #878C9E;
  --font-color-dark: #27272A;
  --font-color-white: #fff;
  --font-color-footer: #6C6F71;
  --font-color-accent-blue: #2F8ACB;
  --font-color-accent-red: #CB2F2F;
  --bg-base: #F0F2F4;
  --bg-main: #A9BCD5;
  --bg-accent-light: #DCEBF7;
  --bg-accent: #227BB6;
  --bg-gray: #878C9E;
  --bg-gray-blue: #D6DAE5;
  --bg-gray-dark: #888D9F;
  --bg-gray-blue-dark: #8A90A2;
  --bg-white: #fff;
  --bg-black: #27272A;
  --bg-sub-purple: #ABAFBB;
  --bg-sub-blue: #AABDD6;
  --bg-deep-blue: #0D2F62;
  --bg-light-blue: #B4C7DE;
  --bg-gray-blue-deep: #8B91A3;
  --border-sub-blue: #AABDD6;
  --border-sub-purple: #ABAFBB;
  --border-white: #fff;
  --border-black: #000;
  --border-soft-blue: #C8D5DF;
  --border-gray: #878C9E;
  --border-light-blue: #B2C5DB;
  --border-gray-blue-dark: #8A90A2;
  --border-accent-blue: #227BB6;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: #F0F2F4;
}

.header {
  padding-top: 6.5rem;
}
.header__content {
  position: fixed;
  height: 104px;
  border-bottom: 1px solid var(--border-soft-blue);
  padding: 1.4rem 2.25rem 0;
  width: 100%;
  background-color: var(--bg-base);
  z-index: 10;
  top: 0;
}
@media (max-width: 768px) {
  .header__content {
    padding-top: 34px;
  }
}
@media (min-width: 769px) {
  .header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
  }
}
.header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.header__logo img {
  height: 40px;
  width: auto;
}
.header__hamburger {
  position: relative;
  z-index: 99;
  display: none;
  width: 30px;
  height: 14px;
  cursor: pointer;
  margin: 0;
  border: none;
  background-color: transparent;
}
@media (max-width: 768px) {
  .header__hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
}
.header__hamburger--line {
  display: block;
  height: 2px;
  background-color: var(--bg-deep-blue);
  border-radius: 2px;
  transition: all 0.3s ease-in;
}
.header__hamburger--line--active {
  background-color: var(--bg-white);
}
.header__hamburger--line--active:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}
.header__hamburger--line--active:nth-child(2) {
  transform: rotate(-45deg) translate(4.5px, -4.5px);
}
@media (max-width: 768px) {
  .header__nav {
    position: fixed;
    z-index: 10;
    padding-left: 2rem;
    padding-top: 5.25rem;
    top: 0;
    right: -120%;
    width: 100vw;
    height: 100vh;
    background-image: linear-gradient(to top right, var(--bg-gray) 0%, var(--bg-light-blue) 100%);
    transition: right 0.3s ease;
  }
}
@media (max-width: 768px) {
  .header__nav--active {
    right: 0;
    transition: right 0.3s ease;
  }
}
.header__nav-title {
  display: none;
}
@media (max-width: 768px) {
  .header__nav-title {
    display: block;
    color: var(--bg-white);
    margin-bottom: 3.25rem;
  }
}
.header__nav-title--ja {
  font-family: var(--font-ja);
  font-size: 16px;
  margin-bottom: 0.5rem;
}
.header__nav-title--en {
  font-family: var(--font-eu);
  font-size: 40px;
}
@media (max-width: 768px) {
  .header__menu-nav {
    border-left: 1px solid var(--border-white);
    padding-left: 1.125rem;
  }
}
.header__menu-item {
  position: relative;
  display: inline-block;
  margin: 0.625rem 1.25rem;
  font-size: 16px;
  font-weight: 500;
  font-family: var(--font-eu);
}
.header__menu-item::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid var(--border-gray);
  opacity: 0;
  transition: all 0.3s ease;
}
@media (max-width: 768px) {
  .header__menu-item::after {
    content: none;
  }
}
.header__menu-item:hover::after {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  animation: blink 1.5s infinite;
}
@keyframes blink {
  0%, 100% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
}
@media (max-width: 1024px) {
  .header__menu-item {
    margin: 0.625rem 0.25rem;
  }
}
@media (max-width: 768px) {
  .header__menu-item {
    margin: 2.5rem 0;
    display: block;
  }
}
@media (max-width: 768px) {
  .header__menu-item:first-child {
    margin-top: 0;
  }
}
.header__menu-item:last-child {
  margin-right: 0;
}
.header__menu-item:last-child::after {
  content: none;
}
@media (max-width: 768px) {
  .header__menu-item:last-child {
    margin-bottom: 0;
  }
}
.header__menu-item a {
  text-decoration: none;
  color: var(--font-color-dark);
  font-weight: 400;
  transition: color 0.3s ease;
}
@media (max-width: 768px) {
  .header__menu-item a {
    color: var(--font-color-white);
  }
}
.header__menu-item a:hover {
  color: var(--font-color-gray);
}
@media (max-width: 768px) {
  .header__menu-item a:hover {
    color: var(--font-color-white);
  }
}
.header__button {
  display: flex;
  align-items: center;
  justify-content: center;
}
.header__button--pc {
  position: relative;
  z-index: 3;
  background-color: var(--bg-gray);
  border: none;
  height: 2.375rem;
  width: 123px;
  text-decoration: none;
  text-align: center;
  border-radius: 1.1875rem;
  overflow: hidden;
  transition: color 0.3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
}
@media (max-width: 768px) {
  .header__button--pc {
    width: 123px;
  }
}
.header__button--pc::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: var(--bg-white);
  transition: transform 0.5s ease;
}
.header__button--pc:hover::before {
  transform: translateX(100%);
}
@media (max-width: 768px) {
  .header__button--pc {
    display: none;
  }
}
.header__button--pc:hover .header__button-text {
  color: var(--font-color-gray);
}
.header__button--sp {
  position: relative;
  z-index: 3;
  background-color: var(--bg-white);
  border: none;
  height: 2.375rem;
  width: 123px;
  text-decoration: none;
  text-align: center;
  border-radius: 1.1875rem;
  overflow: hidden;
  transition: color 0.3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
  display: none;
}
@media (max-width: 768px) {
  .header__button--sp {
    width: 123px;
  }
}
.header__button--sp::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: var(--bg-gray);
  transition: transform 0.5s ease;
}
.header__button--sp:hover::before {
  transform: translateX(100%);
}
@media (max-width: 768px) {
  .header__button--sp {
    display: flex;
  }
}
.header__button--sp:hover .header__button-text {
  color: var(--font-color-white);
}
.header__button-text {
  position: relative;
  z-index: 3;
  text-indent: -1rem;
  color: var(--font-color-white);
  transition: color 0.3s ease;
}
@media (max-width: 768px) {
  .header__button-text {
    color: var(--font-color-gray);
  }
}
.header__button-icon {
  width: 22px;
  right: 6px;
  z-index: 3;
}
.header__button-icon span {
  z-index: 5;
}
.header__button-icon--sp {
  position: absolute;
  aspect-ratio: 1;
  border-radius: 50%;
  background-color: var(--bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-gray);
}
.header__button-icon--sp-arrow span {
  display: block;
  height: 1px;
  background-color: var(--bg-white);
  z-index: 5;
  position: relative;
}
.header__button-icon--sp-arrow span:nth-child(1) {
  width: 6px;
  transform: rotate(-45deg) translate(0, 2.5px);
  border-radius: 1px;
  position: absolute;
  margin-left: 5.8px;
}
.header__button-icon--sp-arrow span:nth-child(2) {
  width: 6px;
  transform: rotate(45deg) translate(0, -2.5px);
  border-radius: 1px;
  position: absolute;
  margin-left: 5.8px;
}
.header__button-icon--sp-arrow span:nth-child(3) {
  width: 12px;
}
.header__button-icon--pc {
  position: absolute;
  aspect-ratio: 1;
  border-radius: 50%;
  background-color: var(--bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-white);
}
.header__button-icon--pc-arrow span {
  display: block;
  height: 1px;
  background-color: var(--bg-gray);
  z-index: 5;
  position: relative;
}
.header__button-icon--pc-arrow span:nth-child(1) {
  width: 6px;
  transform: rotate(-45deg) translate(0, 2.5px);
  border-radius: 1px;
  position: absolute;
  margin-left: 5.8px;
}
.header__button-icon--pc-arrow span:nth-child(2) {
  width: 6px;
  transform: rotate(45deg) translate(0, -2.5px);
  border-radius: 1px;
  position: absolute;
  margin-left: 5.8px;
}
.header__button-icon--pc-arrow span:nth-child(3) {
  width: 12px;
}
.header__button:hover .header__button-icon--pc {
  background-color: var(--bg-gray);
}
.header__button:hover .header__button-icon--pc span {
  background-color: var(--bg-white);
}
.header__button:hover .header__button-icon--sp {
  background-color: var(--bg-white);
}
.header__button:hover .header__button-icon--sp span {
  background-color: var(--bg-gray);
}