:root {
  --color-sky: #78d8e5;
  --color-sky-soft: #cfece6;
  --color-sky-pale: #c3ebec;
  --color-yellow: #fff7c9;
  --color-yellow-soft: #fffdf5;
  --color-gold: #c9b46f;
  --color-gold-deep: #9a7a24;
  --color-ink: #25211f;
  --color-blackboard: #1f1f1f;
  --color-white: #ffffff;
  --color-paper: #FAF8F2;
  --color-line: rgba(157, 138, 82, 0.4);
  --font-base: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  --font-display: "Yu Gothic", "Hiragino Sans", sans-serif;
  --font-size-xxl: clamp(3rem, 10vw, 7rem);
  --font-size-xl: clamp(2rem, 4.2vw, 4.4rem);
  --font-size-l: clamp(1.7rem, 4.4vw, 3.2rem);
  --font-size-m: clamp(1rem, 2.2vw, 1.8rem);
  --font-size-ms: clamp(0.9rem, 1.55vw, 1.2rem);
  --font-size-s: clamp(0.76rem, 1.15vw, 0.92rem);
  --font-size-xs: 0.72rem;
  --font-size-xxs: 0.66rem;
  --content-width: 1080px;
  --ease-pop: cubic-bezier(0.175, 0.885, 0.32, 1.1);
  --bonno-scale: 1;
  --bonno-opacity: 0.08;
}
@media (max-width: 760px) {
  :root {
    --font-size-m: clamp(1.12rem, 5.2vw, 1.45rem);
    --font-size-ms: clamp(0.98rem, 4.1vw, 1.12rem);
    --font-size-s: clamp(0.86rem, 3.5vw, 1rem);
    --font-size-xs: 0.78rem;
    --font-size-xxs: 0.7rem;
  }
}
@property --koi-enter-x {
  syntax: "<length-percentage>";
  inherits: false;
  initial-value: 0px;
}

@property --koi-float-y {
  syntax: "<length>";
  inherits: false;
  initial-value: 0px;
}
@property --button-bg-start {
  syntax: "<color>";
  inherits: true;
  initial-value: #664605;
}

@property --button-bg-end {
  syntax: "<color>";
  inherits: true;
  initial-value: #9b6f18;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--color-ink);
  font-family: var(--font-base);
  background: linear-gradient(180deg, var(--color-paper) 0%, #f8fff9 46%, var(--color-paper) 100%);
}

body.is-site-menu-open {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}
img {
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
  user-select: none;
  -webkit-user-select: none;
}
a {
  color: inherit;
  text-decoration: none;
}
li{
  list-style: none;
}
mark {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  color: var(--color-white);
  background: var(--color-ink);
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 80;
  display: flex;
  width: 100%;
  min-height: 84px;
  align-items: center;
  justify-content: space-between;
  padding: 22px clamp(18px, 5vw, 74px);
  pointer-events: none;
}

.site-header__logo,
.site-header__menu-toggle,
.site-menu {
  pointer-events: auto;
}

.site-header__logo {
  position: relative;
  z-index: 95;
  display: inline-block;
}

.site-header__logo-image {
  width: clamp(128px, 16vw, 210px);
  height: auto;
}

.site-header__menu-toggle {
  position: fixed;
  top: clamp(18px, 2.4vw, 32px);
  right: clamp(16px, 3vw, 42px);
  z-index: 120;
  display: grid;
  width: clamp(70px, 7vw, 96px);
  min-height: clamp(92px, 9vw, 126px);
  grid-template-rows: clamp(50px, 5.8vw, 74px) auto;
  justify-items: center;
  row-gap: 3px;
  padding: 0;
  border: 0;
  color: var(--color-ink);
  background: transparent;
  cursor: pointer;
}

.site-header__menu-toggle::before {
  grid-area: 1 / 1;
  align-self: start;
  content: "";
  width: clamp(58px, 6vw, 86px);
  aspect-ratio: 1.25;
  background: url("../img/header-torii.webp") center / contain no-repeat;
}

.site-header__menu-lines {
  position: relative;
  z-index: 1;
  grid-area: 1 / 1;
  align-self: center;
  display: block;
  width: clamp(24px, 2.4vw, 34px);
  height: 18px;
  margin-top: clamp(5px, 0.8vw, 10px);
}

.site-header__menu-lines::before,
.site-header__menu-lines::after {
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  content: "";
  border-radius: 999px;
  background: var(--color-ink);
  transition: top 0.24s ease, transform 0.24s ease, background-color 0.2s ease;
}

.site-header__menu-lines::before {
  top: 3px;
}

.site-header__menu-lines::after {
  top: 13px;
}

.site-header__menu-open,
.site-header__menu-close {
  grid-area: 2 / 1;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.24em;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.site-header__menu-open {
  color: var(--color-ink);
  opacity: 1;
  transform: translateY(0);
}

.site-header__menu-close {
  color: var(--color-white);
  opacity: 0;
  transform: translateY(-4px);
}

body.is-site-menu-open .site-header__menu-lines::before,
body.is-site-menu-open .site-header__menu-lines::after {
  top: 8px;
  background: var(--color-white);
}

body.is-site-menu-open .site-header__menu-lines::before {
  transform: rotate(45deg);
}

body.is-site-menu-open .site-header__menu-lines::after {
  transform: rotate(-45deg);
}

body.is-site-menu-open .site-header__menu-open {
  opacity: 0;
  transform: translateY(4px);
}

body.is-site-menu-open .site-header__menu-close {
  opacity: 1;
  transform: translateY(0);
}

.site-menu[hidden] {
  display: none;
}

.site-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  min-height: 100svh;
  padding: clamp(32px, 5vw, 56px) clamp(88px, 9vw, 130px) clamp(34px, 5vw, 58px);
  place-items: center;
  overflow: hidden;
  background: rgba(18, 18, 16, 0.72);
  opacity: 0;
  transition: opacity 0.34s ease;
}

.site-menu.is-open {
  opacity: 1;
}

.site-menu.is-closing {
  pointer-events: none;
  animation: site-menu-overlay-close 0.62s ease forwards;
}

.site-menu__book {
  position: relative;
  width: min(80vw, 1200px);
  min-height: min(84svh, 800px);
  isolation: isolate;
  perspective: 1500px;
  transform-style: preserve-3d;
  background: transparent;
  box-shadow: none;
  transform: translateY(18px) scale(0.98);
  transition: transform 0.48s cubic-bezier(0.18, 1.18, 0.34, 1);
}

.site-menu.is-open .site-menu__book,
.site-menu.is-closing .site-menu__book {
  transform: translateY(0) scale(1);
}

.site-menu__book::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  z-index: 4;
  width: clamp(22px, 3.2vw, 42px);
  content: "";
  pointer-events: none;
  background: linear-gradient(90deg, rgba(126, 108, 55, 0), rgba(126, 108, 55, 0.23), rgba(126, 108, 55, 0));
  transform: translateX(-50%);
}

.site-menu__cover {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  display: grid;
  align-content: start;
  justify-items: stretch;
  gap: clamp(26px, 4.2vw, 44px);
  padding: clamp(46px, 6vw, 78px) clamp(56px, 7vw, 94px);
  overflow: hidden;
  border: clamp(18px, 2.2vw, 24px) solid #7fc9c1;
  background: #fffaf1;
}

.site-menu__cover--left {
  left: 0;
  z-index: 1;
  border-right-width: 0;
  background: #fffaf1 url("../img/header-bg-left.webp") left bottom / contain no-repeat;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.22);
}

.site-menu__cover--right {
  left: 0;
  z-index: 6;
  padding: 0;
  border: 0;
  overflow: visible;
  background: transparent;
  transform: rotateY(0deg) translateZ(2px);
  transform-origin: 100% 0;
  transform-style: preserve-3d;
}

.site-menu.is-open .site-menu__cover--right {
  animation: site-menu-book-cover-open 1.05s ease forwards;
}

.site-menu.is-closing .site-menu__cover--right {
  animation: site-menu-book-cover-close 0.5s cubic-bezier(0.45, 0, 0.2, 1) forwards;
}

.site-menu__cover-front,
.site-menu__cover-back {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: start;
  justify-items: stretch;
  gap: clamp(26px, 4.2vw, 44px);
  padding: clamp(46px, 6vw, 78px) clamp(56px, 7vw, 94px);
  overflow: hidden;
  border: clamp(18px, 2.2vw, 24px) solid #7fc9c1;
  background: #fffaf1 url("../img/header-bg-right.webp") center / cover no-repeat;
  backface-visibility: hidden;
}

.site-menu__cover-front {
  background: #7fc9c1;
  box-shadow: inset 16px 0 26px rgba(126, 108, 55, 0.18), -10px 0 28px rgba(37, 33, 31, 0.12);
}

.site-menu__cover-back {
  border-left-width: 0;
  box-shadow: inset -16px 0 26px rgba(126, 108, 55, 0.15), 10px 0 28px rgba(37, 33, 31, 0.1);
  transform: rotateY(180deg);
}
.site-menu__cover--left::before,
.site-menu__cover--left::after,
.site-menu__cover-back::before,
.site-menu__cover-back::after {
  position: absolute;
  z-index: 0;
  width: clamp(30px, 5vw, 50px);
  aspect-ratio: 1;
  content: "";
  pointer-events: none;
  border-radius: 50%;
  background: #7fc9c1;
}

.site-menu__cover--left::before,
.site-menu__cover-back::before {
  top: clamp(-15px, -2.5vw, -25px);
}

.site-menu__cover--left::after,
.site-menu__cover-back::after {
  bottom: clamp(-15px, -2.5vw, -25px);
}

.site-menu__cover--left::before,
.site-menu__cover--left::after {
  left: clamp(-15px, -2.5vw, -25px);
}

.site-menu__cover-back::before,
.site-menu__cover-back::after {
  right: clamp(-15px, -2.5vw, -25px);
}
.site-menu__link {
  position: relative;
  display: grid;
  width: 100%;
  grid-template-columns: 48px 1fr;
  gap: 26px;
  align-items: center;
  padding: 0 0 16px;
  border-bottom: 1px solid rgba(201, 180, 111, 0.7);
  z-index: 1;
  transition: color 0.2s ease, transform 0.22s var(--ease-pop);
}

.site-menu__link:hover,
.site-menu__link:focus-visible {
  color: #20aeb7;
  transform: translateX(6px);
}

.site-menu__link:focus-visible {
  outline: 3px solid rgba(120, 216, 229, 0.46);
  outline-offset: 8px;
}

.site-menu__icon {
  display: block;
  width: 42px;
  aspect-ratio: 1;
  background-image: var(--site-menu-icon);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

.site-menu__icon--torii {
  --site-menu-icon: url("../img/header-icon-top.webp");
}

.site-menu__icon--person {
  --site-menu-icon: url("../img/header-icon-about.webp");
}

.site-menu__icon--calendar {
  --site-menu-icon: url("../img/header-icon-schedule.webp");
}

.site-menu__icon--book {
  --site-menu-icon: url("../img/header-icon-guideline.webp");
}

.site-menu__icon--flower {
  --site-menu-icon: url("../img/header-icon-store.webp");
}

.site-menu__icon--gift {
  --site-menu-icon: url("../img/header-icon-support.webp");
}

.site-menu__icon--mail {
  --site-menu-icon: url("../img/header-icon-contact.webp");
}

@keyframes site-menu-book-cover-open {
  30% {
    z-index: 6;
  }

  100% {
    transform: rotateY(180deg) translateZ(2px);
    z-index: 6;
  }
}

@keyframes site-menu-book-cover-close {
  0% {
    transform: rotateY(180deg) translateZ(2px);
    z-index: 6;
  }

  100% {
    transform: rotateY(0deg) translateZ(2px);
    z-index: 6;
  }
}

@keyframes site-menu-overlay-close {
  0%,
  68% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}

.site-menu__label {
  display: grid;
  gap: 8px;
}

.site-menu__ja {
  position: relative;
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 1.7vw, 1.55rem);
  font-weight: 900;
  line-height: 1.25;
}
.site-menu__link--external .site-menu__ja::after,
.site-menu__link[target="_blank"] .site-menu__ja::after {
  display: inline-block;
  width: 1.3em;
  height: 1.3em;
  margin-left: 0.28em;
  vertical-align: -0.12em;
  content: "";
  background: url("../img/icon-open-window.svg") center / contain no-repeat;
  pointer-events: none;
}

.site-menu__en {
  font-size: clamp(0.62rem, 0.8vw, 0.76rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.46em;
}

.footer-divider {
  position: relative;
  z-index: 2;
  width: 100%;
  height: var(--footer-divider-height, clamp(100px, 17vw, 174px));
  margin-top: calc(var(--footer-divider-height, clamp(100px, 17vw, 174px)) * -0.85);
  overflow: visible;
  pointer-events: none;
}

.footer-divider__image {
  display: block;
  width: 100%;
  max-width: none;
  height: 100%;
  object-fit: fill;
}

.footer-divider__neko {
  position: absolute;
  left: 50%;
  bottom: clamp(10px, 2vw, 26px);
  z-index: 2;
  width: clamp(118px, 14vw, 188px);
  transform: translateX(-50%);
}

.footer-divider__neko-image {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  height: auto;
}

.footer-divider__koban-position {
  position: absolute;
  left: 50%;
  bottom: 0;
  z-index: 1;
  display: block;
  width: 100%;
  transform: translateX(-50%) rotate(-8deg);
}

.footer-divider__koban {
  display: block;
  width: 100%;
  height: auto;
  animation: footer-koban-swing 3.4s ease-in-out infinite;
  transform-origin: 50% 78%;
}

.site-footer {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: clamp(18px, 2.6vw, 28px);
  padding: clamp(84px, 10vw, 132px) clamp(20px, 5vw, 72px) clamp(42px, 6vw, 72px);
  color: var(--color-ink);
  text-align: center;
  background: #FAF8F2;
}

.site-footer__logo {
  position: relative;
  display: inline-block;
  width: clamp(280px, 35vw, 350px);
  margin-bottom: clamp(30px, 4vw, 40px);
}

.site-footer__logo::after {
  position: absolute;
  top: calc(100% + clamp(16px, 2.4vw, 28px));
  left: 50%;
  display: block;
  min-width: 100vw;
  height: 1px;
  content: "";
  background: var(--color-line);
  transform: translateX(-50%);
  pointer-events: none;
}

.site-footer__logo-image {
  display: block;
  width: 100%;
  height: auto;
}

.site-footer__nav,
.site-footer__social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}

.site-footer__nav {
  gap: 14px clamp(20px, 3vw, 36px);
  font-family: var(--font-display);
  font-size: var(--font-size-s);
  font-weight: 900;
  letter-spacing: 0.12em;
}

.site-footer__social {
  gap: 25px;
}

.site-footer__nav-link,
.site-footer__top {
  z-index: 1;
  transition: color 0.2s ease, transform 0.22s var(--ease-pop);
}

.site-footer__nav-link {
  display: inline-grid;
  gap: 4px;
  justify-items: center;
  line-height: 1.25;
}

.site-footer__nav-en {
  color: var(--color-gold);
  font-size: var(--font-size-xxs);
  line-height: 1;
  letter-spacing: 0.18em;
}

.site-footer__nav-ja {
  position: relative;
  display: inline-block;
  font-size: var(--font-size-s);
  line-height: 1.35;
}

.site-footer__nav-link[target="_blank"] .site-footer__nav-ja::after {
  position: absolute;
  left: calc(100%);
  top: 50%;
  width: 1.3em;
  aspect-ratio: 1;
  content: "";
  background: url("../img/icon-open-window.svg") center / contain no-repeat;
  pointer-events: none;
  transform: translateY(-50%);
}

.site-footer__nav-link:hover,
.site-footer__nav-link:focus-visible {
  color: var(--color-sky-dark);
  transform: translateY(-2px);
}

.site-footer__social-link {
  display: inline-grid;
  width: 54px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  background-color: var(--color-sky);
  background-image: var(--footer-social-icon);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 54% auto;
  transition: transform 0.22s var(--ease-pop), background-color 0.22s ease, box-shadow 0.22s ease;
}

.site-footer__social-link--x {
  --footer-social-icon: url("../img/icon-x.svg");
}

.site-footer__social-link--youtube {
  --footer-social-icon: url("../img/icon-youtube.svg");
}

.site-footer__social-link--twitch {
  --footer-social-icon: url("../img/icon-twich.svg");
}

.site-footer__social-link--tiktok {
  --footer-social-icon: url("../img/icon-tiktok.svg");
}

.site-footer__social-link:hover,
.site-footer__social-link:focus-visible {
  transform: translateY(-4px) rotate(-4deg);
}

.site-footer__social-link:focus-visible,
.site-footer__nav-link:focus-visible,
.site-footer__top:focus-visible {
  outline: 3px solid rgba(120, 216, 229, 0.46);
  outline-offset: 6px;
}

.site-footer__copy {
  margin: 0;
  color: rgba(55, 55, 50, 1);
  font-size: var(--font-size-xxs);
  font-weight: 800;
  letter-spacing: 2px;
}

.site-footer__top {
  position: fixed;
  right: clamp(14px, 2.6vw, 34px);
  bottom: clamp(10px, 2.4vw, 28px);
  z-index: 70;
  display: block;
  width: clamp(80px, 9vw, 100px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(42px) rotate(8deg);
  transition: opacity 0.28s ease, transform 0.34s var(--ease-pop);
}

.site-footer__top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) rotate(0deg);
}

.site-footer__top::before {
  position: absolute;
  left: 10%;
  top: -40px;
  width: clamp(60px, 8vw, 90px);
  aspect-ratio: 321 / 187;
  content: "";
  background: url("../img/koi-gold-comment-gototop.webp") center / contain no-repeat;
  opacity: 0;
  transform: translate(18px, 18px) scale(0.72) ;
  transform-origin: 80% 100%;
  transition: opacity 0.22s ease 0.1s, transform 0.32s var(--ease-pop) 0.1s;
}

.site-footer__top.is-visible::before {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

.site-footer__top-image {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 12px 16px rgba(126, 108, 55, 0.24));
}

.site-footer__top:hover,
.site-footer__top:focus-visible {
  transform: translateY(-6px) rotate(-3deg) scale(1.02);
}
.footer-marshmallow {
  text-align: center;
}

.footer-marshmallow a {
  color: #666;
  font-size: 0.9rem;
  text-decoration: none;
  border-bottom: 1px solid #666;
  transition: color .25s ease, border-color .25s ease;
font-weight:bold
}

.footer-marshmallow a:hover {
  color: #4aaec4;
  border-bottom-color: #4aaec4;
}

.footer-marshmallow a:focus-visible {
  outline: 2px solid #4aaec4;
  outline-offset: 4px;
}
@keyframes footer-koban-swing {
  0%,
  100% {
    transform: rotate(-8deg);
  }

  20% {
    transform: rotate(7deg);
  }

  42% {
    transform: rotate(-5deg);
  }

  64% {
    transform: rotate(4deg);
  }
}

@media (max-width: 760px) {
.site-header {
    min-height: 72px;
    padding-inline: 16px;
  }

  .site-header__menu-toggle {
    width: 66px;
    min-height: 88px;
    right: 12px;
  }

  .site-menu {
    padding: 60px 18px 0px;
  }

  .site-menu__book {
    display: grid;
    width: min(100%, 560px);
    min-height: auto;
    transform-style: flat;
  }

  .site-menu__book::after {
    position: absolute;
    inset: 14px;
    z-index: 8;
    content: "";
    pointer-events: none;
    --site-menu-corner-dot: clamp(15px, 2.5vw, 25px);
    background:
      radial-gradient(circle at 0 0, #7fc9c1 0 var(--site-menu-corner-dot), transparent calc(var(--site-menu-corner-dot) + 1px)),
      radial-gradient(circle at 100% 0, #7fc9c1 0 var(--site-menu-corner-dot), transparent calc(var(--site-menu-corner-dot) + 1px)),
      radial-gradient(circle at 0 100%, #7fc9c1 0 var(--site-menu-corner-dot), transparent calc(var(--site-menu-corner-dot) + 1px)),
      radial-gradient(circle at 100% 100%, #7fc9c1 0 var(--site-menu-corner-dot), transparent calc(var(--site-menu-corner-dot) + 1px));
  }

  .site-menu__book::before,
  .site-menu__cover-front {
    display: none;
  }

  .site-menu__cover,
  .site-menu__cover--right,
  .site-menu__cover-back {
    position: relative;
    inset: auto;
    width: auto;
    transform: none;
    animation: none;
  }

  .site-menu__cover {
    gap: 20px;
    padding: 34px 26px 16px;
    border-width: 14px;
  }

  .site-menu__cover--left {
    border-right-width: 14px;
    border-bottom-width: 0;
    background-image: none;
    padding-bottom: 0;
  }
  .site-menu__cover--left::before,
  .site-menu__cover--left::after,
  .site-menu__cover-back::before,
  .site-menu__cover-back::after {
    display: none;
  }

  .site-menu__cover--right {
    display: block;
    padding: 0;
    border: 0;
  }

  .site-menu__cover-back {
    display: grid;
    gap: 20px;
    padding: 16px 26px 34px;
    border-width: 14px;
    border-top-width: 0;
    backface-visibility: visible;
  }
  .site-menu__cover-back {
  box-shadow:none;
}

  .site-menu.is-open .site-menu__cover--right,
  .site-menu.is-closing .site-menu__cover--right {
    animation: none;
    transform: none;
  }

  .site-menu__link {
    grid-template-columns: 36px 1fr;
    gap: 18px;
    padding-bottom: 10px;
  }

.site-menu__cover--right .site-menu__link:last-child{

    border-bottom:none

  }
  .site-menu__icon {
    width: 34px;
  }

.footer-divider {
    height: var(--footer-divider-height, 118px);
  }

  .footer-divider__image {
    height: 100%;
  }

  .footer-divider__neko {
    right: 18px;
    bottom: 8px;
    width: clamp(92px, 30vw, 126px);
  }

  .site-footer {
    padding-top: 64px;
  }

  .site-footer__nav {
    gap: 30px 30px;
    margin-bottom: 30px;
  }

  .site-footer__social {
    gap: 12px;
  }

  .site-footer__social-link {
    width: 55px;
  }

  .site-footer__top {
    justify-self: center;
    text-align: center;
  width: clamp(70px, 8vw, 80px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  .site-menu.is-open .site-menu__cover--right {
    animation: none;
    transform: rotateY(180deg) translateZ(2px);
  }

  .site-menu.is-closing {
    animation: none;
    opacity: 0;
  }

  .site-menu.is-closing .site-menu__cover--right {
    animation: none;
    transform: rotateY(0deg) translateZ(2px);
  }
}
/*****************/


.section-heading {
  display: grid;
  gap: 8px;
  justify-items: center;
  margin: 0;
  text-align: center;
}

.section-heading__en {
  min-height: 1.05em;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--font-size-l);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: 0.08em;
}

.section-heading__ja {
  margin: 0;
  color: rgba(37, 33, 31, 0.58);
  font-size: var(--font-size-s);
  font-weight: 900;
}

.stream-heading-animation {
  gap: 10px;
}

.stream-heading-animation .section-heading__ornament {
  display: none;
}

.stream-heading-animation .section-heading__ja {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.56s ease 1.5s, transform 0.56s cubic-bezier(0.16, 1, 0.3, 1) 1.5s;
}

.stream-heading-animation.is-visible .section-heading__ja {
  opacity: 1;
  transform: translateY(0);
}

.stream-heading-animation__title {
  width: min(100%, 760px);
  min-height: clamp(92px, 13vw, 132px);
}

.stream-heading-animation__stage {
  --heading-cloud-edge-offset: clamp(44px, 8vw, 96px);
  position: relative;
  display: inline-grid;
  width: max-content;
  max-width: 100%;
  min-height: clamp(92px, 13vw, 132px);
  place-items: end center;
}

.stream-heading-animation__text {
  --heading-mask-softness: 20px;
  position: relative;
  z-index: 2;
  display: inline-block;
  padding-top: clamp(34px, 4.8vw, 50px);
  opacity: 0;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 var(--heading-mask-softness), #000 calc(100% - var(--heading-mask-softness)), transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 var(--heading-mask-softness), #000 calc(100% - var(--heading-mask-softness)), transparent 100%);
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: 0% 100%;
  mask-size: 0% 100%;
  transform: translateY(8px);
  white-space: nowrap;
}

.stream-heading-animation.is-visible .stream-heading-animation__text {
  animation: stream-heading-text-reveal 2.2s cubic-bezier(0.16, 1, 0.3, 1) 0.82s both;
}

.stream-heading-animation__cloud {
  position: absolute;
  left: 50%;
  top: auto;
  bottom:-2.5rem;
  z-index: 3;
  width: clamp(88px, 15vw, 150px);
  aspect-ratio: 2.2 / 1;
  background: url("../img/heading-cloud.webp") center / contain no-repeat;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.8);
}

.stream-heading-animation__cloud--right {
  transform: translate(-50%, -50%) scale(0.74) scaleX(-1);
}

.stream-heading-animation.is-visible .stream-heading-animation__cloud--left {
  animation: stream-heading-cloud-left 2.2s cubic-bezier(0.16, 1, 0.3, 1) 0.93s both;
}

.stream-heading-animation.is-visible .stream-heading-animation__cloud--right {
  animation: stream-heading-cloud-right 2.2s cubic-bezier(0.16, 1, 0.3, 1) 0.93s both;
}

.stream-heading-animation__ribbon {
  position: absolute;
  left: 50%;
  top: 0;
  z-index: 4;
  width: clamp(124px, 18vw, 184px);
  opacity: 0;
  transform: translateX(-50%) scale(0.82);
  transform-origin: 50% 50%;
}

.stream-heading-animation__ribbon svg {
  display: block;
    width: 100%;
  height: auto;
  overflow: visible;
}

.stream-heading-animation__ribbon-loop {
  fill: none;
  stroke-dasharray: 430;
  stroke-dashoffset: 430;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.stream-heading-animation__ribbon-loop--edge {
  stroke: #c20000;
  stroke-width: 15;
}

.stream-heading-animation__ribbon-loop--line {
  stroke: #fff;
  stroke-width: 3;
}

.stream-heading-animation__ribbon-knot {
  opacity: 0;
  transform-box: fill-box;
  transform-origin: 50% 50%;
}

.stream-heading-animation__ribbon-knot-base {
  fill: #c20000;
}

.stream-heading-animation__ribbon-knot-stripe--white {
  fill: #fff;
}

.stream-heading-animation.is-visible .stream-heading-animation__ribbon {
  animation: stream-heading-ribbon-in 0.54s cubic-bezier(0.34, 1.56, 0.64, 1) 0s both;
}

.stream-heading-animation.is-visible .stream-heading-animation__ribbon-loop {
  animation: stream-heading-ribbon-draw 0.62s ease-out 0.28s both;
}

.stream-heading-animation.is-visible .stream-heading-animation__ribbon-knot {
  animation: stream-heading-knot-spin 0.82s cubic-bezier(0.34, 1.56, 0.64, 1) 0.12s both;
}

@keyframes stream-heading-text-reveal {
  0% {
    opacity: 0;
    -webkit-mask-size: 0% 100%;
    mask-size: 0% 100%;
    transform: translateY(8px);
  }

  100% {
    opacity: 1;
    -webkit-mask-size: calc(100% + var(--heading-mask-softness) * 2) 100%;
    mask-size: calc(100% + var(--heading-mask-softness) * 2) 100%;
    transform: translateY(0);
  }
}

@keyframes stream-heading-cloud-left {
  0% {
    left: 50%;
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.8);
  }

  16% {
    opacity: 1;
  }

  72% {
    opacity: 1;
  }

  100% {
    left: calc(0% - var(--heading-cloud-edge-offset));
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.86);
  }
}

@keyframes stream-heading-cloud-right {
  0% {
    left: 50%;
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.74) scaleX(-1);
  }

  16% {
    opacity: 1;
  }

  72% {
    opacity: 1;
  }

  100% {
    left: calc(100% + var(--heading-cloud-edge-offset));
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.84) scaleX(-1);
  }
}

@keyframes stream-heading-ribbon-in {
  0% {
    opacity: 0;
    transform: translateX(-50%) scale(0.62);
  }

  100% {
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }
}

@keyframes stream-heading-ribbon-draw {
  0% {
    stroke-dashoffset: 430;
  }

  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes stream-heading-knot-spin {
  0% {
    opacity: 1;
    transform: rotate(-135deg) scale(0);
  }

  72% {
    opacity: 1;
    transform: rotate(63deg) scale(1.12);
  }

  100% {
    opacity: 1;
    transform: rotate(45deg) scale(1);
  }
}
.parallax-asset::before,
.floating-asset::before {
  display: block;
    width: 100%;
  height: 100%;
  content: "";
  background: var(--decorative-asset-image) center / contain no-repeat;
}

@keyframes floating-asset-float {
  from {
    transform: translate3d(0, 0, 0);
  }

  to {
    transform: translate3d(0, var(--float-distance), 0);
  }
}