@charset "UTF-8";

/* CSS Document */
html {
  font-size: 62.5%;
  /* 16px * 62.5% = 10px */
  width: 100%;
}

body {
  color: #343434;
  font-family: "Roboto", sans-serif;
  font-size: clamp(10px, 3.56vw, 14px);
  text-align: left;
  line-height: 1.8;
  background-color: #6f2122;
}

.noise-background {
  background-image: url(../img/noise.png);
  background-repeat: repeat;
  background-attachment: fixed;
}

main {
  width: 100vw;
  max-width: 500px;
  background: #f1efec;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

h2 {
  font-family: "garamond-premier-pro-display", serif;
  font-size: clamp(10px, 10.1vw, 40px);
  font-weight: 400;
  font-style: normal;
  color: #bd3628;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  letter-spacing: 0.1rem;
  position: relative;
  z-index: 1;
}

h2 span {
  font-family: "Roboto", sans-serif;
  font-size: clamp(10px, 3.56vw, 14px);
  text-align: left;
  line-height: 2.3;
  letter-spacing: 0;
}

a {
  text-decoration: none;
  transition: 0.2s ease-in-out;
  word-wrap: break-word;
  position: relative;
  color: #343434;
}

*,
*:before,
*:after {
  box-sizing: border-box;
}

ol,
ul {
  list-style: none;
}

/* ヘッダー */
.header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  max-width: 500px;
  width: 100%;
  z-index: 1000;
  height: 60px;
}

.hamburger-fade {
  position: absolute;
  top: 15px;
  right: 15px;
  z-index: 1001;
  width: 60px;
  height: 60px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-20px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  background-color: #ffffff;
  border-radius: 50%;
  filter: drop-shadow(0px 0px 10px #0000001c);
}

.hamburger-fade.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.hamburger-fade__wrapper {
  display: block;
  position: relative;
  width: 30px;
  height: 20px;
  margin: 10px auto 20px;
}

.hamburger-fade__line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #343434;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.hamburger-fade__line:nth-child(1) {
  top: 0;
}

.hamburger-fade__line:nth-child(2) {
  top: 9px;
}

.hamburger-fade__line:nth-child(3) {
  top: 18px;
}

.hamburger-fade.active .hamburger-fade__line {
  background-color: #fff;
}

.hamburger-fade.active .hamburger-fade__line:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
  background-color: #343434;
}

.hamburger-fade.active .hamburger-fade__line:nth-child(2) {
  opacity: 0;
  transform: translateX(20px);
}

.hamburger-fade.active .hamburger-fade__line:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
  background-color: #343434;
}

.nav-fade {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  visibility: hidden;
  z-index: 900;
}

.nav-fade__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #f1efec;
  opacity: 0;
  transition: opacity 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.nav-fade.active {
  visibility: visible;
}

.nav-fade.active .nav-fade__bg {
  opacity: 1;
}

.nav-fade__wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 5vh 4rem;
}

.nav-fade__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-fade__item {
  position: relative;
  margin-bottom: 4vh;
  padding-left: 60px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.nav-fade.active .nav-fade__item {
  opacity: 1;
  transform: translateY(0);
}

.nav-fade.active .nav-fade__item:nth-child(1) {
  transition-delay: 0.2s;
}

.nav-fade.active .nav-fade__item:nth-child(2) {
  transition-delay: 0.3s;
}

.nav-fade.active .nav-fade__item:nth-child(3) {
  transition-delay: 0.4s;
}

.nav-fade.active .nav-fade__item:nth-child(4) {
  transition-delay: 0.5s;
}

.nav-fade.active .nav-fade__item:nth-child(5) {
  transition-delay: 0.6s;
}

.nav-fade.active .nav-fade__item:nth-child(6) {
  transition-delay: 0.7s;
}

.nav-fade.active .nav-fade__item:nth-child(7) {
  transition-delay: 0.8s;
}

.nav-fade.active .nav-fade__item:nth-child(8) {
  transition-delay: 0.9s;
}

.nav-fade.active .nav-fade__item:nth-child(9) {
  transition-delay: 1s;
}

.nav-fade__number {
  position: absolute;
  left: 0;
  color: #bd3628;
  font-size: 14px;
  font-family: "garamond-premier-pro-display", serif;
}

.nav-fade__link {
  display: inline-block;
  text-decoration: none;
  transition: color 0.3s ease;
  font-weight: 600;
}

.nav-fade.active {
  opacity: 1;
  transform: translateY(0);
}

.hamburger-fade__wrapper:after {
  display: block;
  content: "MENU";
  font-size: 10px;
  color: #343434;
  position: absolute;
  bottom: -18px;
  right: 0;
  left: 0;
}

.hamburger-fade.active .hamburger-fade__wrapper:after {
  content: "CLOSE";
  color: #343434;
}

.site-footer {
  color: white;
  max-width: 500px;
  background-color: #f1efec;
  margin-left: auto;
  margin-right: auto;
}

.footer-inner {
  background-color: #342f55;
  padding: 7rem 3rem 4rem;
}

.footer-link {
  color: white;
  text-decoration: none;
  transition: opacity 0.2s;
}

.footer-link:hover {
  opacity: 0.8;
}

.footer-nav {
  margin-bottom: 5rem;
}

.footer-nav-list li {
  margin-bottom: 2rem;
}

.footer-info {
  margin-bottom: 3rem;
  padding-top: 1rem;
}

.footer-logo {
  margin-bottom: 1.5rem;
}

.company-name {
  margin: 0 0 5px 0;
}

.company-address {
  font-style: normal;
  text-decoration: none;
  border-bottom: none;
}

.footer-sub-nav {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 15px;
  margin-bottom: 15px;
}

.footer-sub-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.footer-copyright {
  text-align: center;
  font-size: 8px;
  color: rgba(255, 255, 255, 0.6);
  padding-top: 10px;
}

.btn-more {
  text-align: center;
  margin-top: 4rem;
}

.btn-more_red {
  display: inline-block;
  text-align: center;
  text-decoration: none;
  outline: none;
  padding: 0.5rem 4rem;
  border-radius: 1000px;
  color: #bd3628;
  border: 1px solid #bd3628;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

.btn-more_red:hover {
  color: #fff;
  background-color: #bd3628;
}

.btn-more_white {
  display: inline-block;
  text-align: center;
  text-decoration: none;
  outline: none;
  padding: 0.5rem 4rem;
  border-radius: 1000px;
  color: #f4f4f4;
  border: 1px solid #f4f4f4;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

.btn-more_white:hover {
  color: #bd3628;
  background-color: #f4f4f4;
}

.btn-more_blue {
  display: inline-block;
  text-align: center;
  text-decoration: none;
  outline: none;
  padding: 0.5rem 4rem;
  border-radius: 1000px;
  color: #f4f4f4;
  border: 1px solid #f4f4f4;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

.btn-more_blue:hover {
  color: #273962;
  background-color: #f4f4f4;
}

/* img */
.img_wrap {
  position: relative;
  overflow: hidden;
}

.scroll-reveal-img {
  visibility: hidden;
  width: 100%;
}

.nav-fade__wrapper::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgb(255, 255, 255);
  mix-blend-mode: soft-light;
  z-index: 0;
}

.text_blue {
  color: #4b8cae;
}

.text_purple {
  color: #73399c;
}

.beige::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgb(255, 255, 255);
  mix-blend-mode: soft-light;
  z-index: 0;
}

@media (min-width: 1025px) {

  .header,
  .nav-fade,
  .hamburger-fade {
    display: none;
  }
}

.pc-side-nav {
  display: none;
}

@media (min-width: 1025px) {
  .pc-side-nav {
    display: block;
    position: fixed;
    left: 30px;
    bottom: 30px;
    z-index: 1000;
    width: 23vw;
    max-width: 330px;
  }

  .pc-side-nav__list li {
    margin-bottom: 1.2rem;
    letter-spacing: 0.1rem;
  }

  .pc-side-nav__link {
    color: #fff;
  }

  .pc-side-nav__logo img {
    width: 40%;
    max-width: 140px;
    margin-bottom: 1rem;
  }

  .pc-side-nav__en {
    font-family: "garamond-premier-pro-display", serif;
  }
}

.pc-fixed-banner {
  display: none;
}

@media (min-width: 1025px) {
  .pc-fixed-banner {
    display: block;
    position: fixed;
    right: 40px;
    bottom: 40px;
    z-index: 1000;
  }

  .pc-fixed-banner a {
    color: #fff;
    border-radius: 1.5rem;
    text-decoration: none;
    transition: transform 0.3s ease, background-color 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    background-color: #ffffff1f;
    padding: 24px 32px;
    display: flex;
    flex-direction: row;
    align-items: flex-end;
  }

  .pc-fixed-banner_inner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
  }

  .pc-fixed-banner a:hover {
    transform: scale(1.05);
  }

  .pc-fixed-banner__ttl {
    font-family: "garamond-premier-pro-display", serif;
    font-size: 3rem;
    margin-bottom: 5px;
    letter-spacing: 1px;
  }

  .pc-fixed-banner__sub {
    font-size: 12px;
  }

  .message-link-icon {
    width: 2rem;
    height: 2rem;
    flex-shrink: 0;
    margin-left: 10px;
    text-align: right;
    border: 1px solid #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    position: relative;
  }

  .message-link-icon::before,
  .message-link-icon::after {
    content: "";
    display: block;
    width: 1rem;
    height: 0.1rem;
    background: #fff;
    position: absolute;
    border-radius: 100px;
    transform: rotate(30deg);
    transform-origin: 100% 50%;
  }

  .message-link-icon::after {
    transform: rotate(-30deg);
  }

  .pc-fixed-banner a:hover .message-link-icon {
    background-color: #fff;
    transition: background-color 0.3s ease, border-color 0.3s ease;
  }

  .pc-fixed-banner a:hover .message-link-icon::before,
  .pc-fixed-banner a:hover .message-link-icon::after {
    background: #bd3628;
    transition: background-color 0.3s ease, border-color 0.3s ease;
  }
}

/* PC用 */
@media (min-width: 1025px) {
  .pc-side-nav {
    display: block;
    position: fixed;
    left: 50%;
    margin-left: -610px;
    bottom: 40px;
    z-index: 999;
  }
}

@media (min-width: 1025px) and (max-width: 1300px) {
  .pc-side-nav {
    left: 40px;
    margin-left: 0;
  }
}

@media (min-width: 1025px) {
  .pc-fixed-banner {
    display: block;
    position: fixed;
    right: 50%;
    margin-right: -610px;
    bottom: 40px;
    z-index: 1000;
  }
}

@media (min-width: 1025px) and (max-width: 1300px) {
  .pc-fixed-banner {
    right: 40px;
    margin-right: 0;
  }
}

/* PC専用背景 */
.pc-fixed-background {
  display: none;
}

@media (min-width: 501px) {
  .pc-fixed-background {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
  }

  .pc-fixed-background::before {
    content: "";
    position: absolute;
    top: -10%;
    left: 50%;
    transform: translateX(-50%) scale(1.1);
    width: 800px;
    height: 120%;
    background-image: url(../../assets/img/top/fv_curtain_ue.webp);
    background-repeat: no-repeat;
    background-position: top center;
    background-size: cover;
    filter: blur(10px);
  }
}