/* =========================================================
   GROUP HAPPY WIDE — Official Site
   Black x Champagne Gold / Luxury Night Theme
========================================================= */

:root{
  --black: #0a0908;
  --black-2: #121110;
  --black-3: #171512;
  --ivory: #f3ede1;
  --ivory-dim: #b9b0a2;
  --gold: #c9a96a;
  --gold-light: #e8d6ac;
  --gold-deep: #9c7d3f;
  --line: rgba(201,169,106,0.22);

  --serif-jp: "Noto Serif JP", serif;
  --serif-en: "Cormorant Garamond", serif;
  --sans-jp: "Noto Sans JP", -apple-system, "Hiragino Kaku Gothic ProN", sans-serif;

  --ease: cubic-bezier(.22,.61,.36,1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--black);
  color: var(--ivory);
  font-family: var(--sans-jp);
  font-weight: 300;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }

.container{
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 6vw;
}

@media (min-width: 900px){
  .container{ padding: 0 4vw; }
}

/* ---------- Loader ---------- */
.loader{
  position: fixed; inset: 0; z-index: 9999;
  background: var(--black);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .8s var(--ease), visibility .8s var(--ease);
}
.loader__mark{
  font-family: var(--serif-en);
  font-size: 2.2rem;
  color: var(--gold);
  letter-spacing: .2em;
  opacity: .85;
  animation: pulse 1.4s ease-in-out infinite;
}
.loader.is-hidden{ opacity: 0; visibility: hidden; pointer-events: none; }
@keyframes pulse{
  0%,100%{ opacity:.35; transform: scale(.94); }
  50%{ opacity: 1; transform: scale(1); }
}

/* ---------- Reveal on scroll ---------- */
.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Section heading ---------- */
.section-head{ text-align: center; margin-bottom: 4rem; }
.section-head__en{
  font-family: var(--serif-en);
  color: var(--gold);
  letter-spacing: .35em;
  font-size: .8rem;
  text-transform: uppercase;
  margin: 0 0 .6rem;
}
.section-head__ja{
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: .12em;
  margin: 0 0 1.1rem;
  color: var(--ivory);
}
.section-head__line{
  display: inline-block;
  width: 48px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.only-pc{ display: none; }
@media (min-width: 780px){ .only-pc{ display: inline; } }

/* =========================================================
   HEADER
========================================================= */
.site-header{
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  background: linear-gradient(to bottom, rgba(10,9,8,.75), transparent);
  transition: background .5s var(--ease), border-color .5s var(--ease), backdrop-filter .5s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled{
  background: rgba(10,9,8,.88);
  backdrop-filter: blur(10px);
  border-color: var(--line);
}
.site-header__inner{
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.1rem 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand{ display: flex; flex-direction: column; line-height: 1.1; }
.brand__main{
  font-family: var(--serif-en);
  font-size: 1.3rem;
  letter-spacing: .16em;
  color: var(--gold-light);
}
.brand__sub{
  font-size: .58rem;
  letter-spacing: .18em;
  color: var(--ivory-dim);
  margin-top: .3rem;
  text-transform: uppercase;
}

.nav{
  display: none;
  align-items: center;
  gap: 2.6rem;
}
@media (min-width: 900px){ .nav{ display: flex; } }

.nav__link{
  position: relative;
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--ivory);
  padding: .3rem 0;
}
.nav__link::after{
  content: "";
  position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .45s var(--ease);
}
.nav__link:hover::after{ transform: scaleX(1); transform-origin: left; }
.nav__link:hover{ color: var(--gold-light); }

.menu-toggle{
  display: flex; flex-direction: column; justify-content: center; gap: 6px;
  width: 30px; height: 22px;
  background: none; border: none; cursor: pointer; padding: 0;
}
@media (min-width: 900px){ .menu-toggle{ display: none; } }
.menu-toggle span{
  display: block; height: 1px; width: 100%;
  background: var(--gold-light);
  transition: transform .4s var(--ease), opacity .3s var(--ease);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 899px){
  .nav{
    position: fixed; inset: 0 0 0 auto;
    width: min(78vw, 340px);
    height: 100vh;
    background: var(--black-2);
    border-left: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 2.2rem;
    padding: 0 3rem;
    transform: translateX(100%);
    transition: transform .5s var(--ease);
  }
  .nav.is-open{ display: flex; transform: translateX(0); }
  .nav__link{ font-size: 1rem; }
}

/* =========================================================
   HERO
========================================================= */
.hero{
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero__media{ position: absolute; inset: 0; }
.hero__img{
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 20%;
  animation: kenburns 26s ease-in-out infinite alternate;
}
@keyframes kenburns{
  0%{ transform: scale(1) translate(0,0); }
  100%{ transform: scale(1.12) translate(-1%, -1%); }
}
.hero__overlay{
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(10,9,8,.55) 0%, rgba(10,9,8,.35) 35%, rgba(10,9,8,.85) 100%),
    linear-gradient(90deg, rgba(10,9,8,.65) 0%, rgba(10,9,8,.15) 45%, rgba(10,9,8,.65) 100%);
}
.hero__content{ position: relative; z-index: 2; text-align: center; padding: 0 6vw; }
.hero__eyebrow{
  font-family: var(--serif-en);
  letter-spacing: .5em;
  font-size: .72rem;
  color: var(--gold-light);
  text-transform: uppercase;
  margin: 0 0 1.4rem;
}
.hero__title{
  font-family: var(--serif-en);
  font-weight: 500;
  font-size: clamp(2.4rem, 7vw, 5rem);
  letter-spacing: .07em;
  margin: 0 0 1.2rem;
  color: var(--ivory);
  text-shadow: 0 2px 30px rgba(0,0,0,.5);
}
.hero__mobile-break{ display: none; }
.hero__nowrap{ white-space: nowrap; }
@media (max-width: 759px){
  .hero__desktop-space{ display: none; }
  .hero__mobile-break{ display: block; }
}
.hero__lead{
  font-family: var(--serif-jp);
  font-size: clamp(.95rem, 1.6vw, 1.15rem);
  letter-spacing: .28em;
  color: var(--gold-light);
  margin: 0;
}

.hero__scroll{
  position: absolute; bottom: 2.6rem; left: 50%; transform: translateX(-50%);
  z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: .7rem;
  font-family: var(--serif-en);
  font-size: .68rem;
  letter-spacing: .3em;
  color: var(--ivory-dim);
}
.hero__scroll-line{
  width: 1px; height: 40px;
  background: linear-gradient(180deg, var(--gold), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after{
  content: "";
  position: absolute; top: -100%; left: 0; width: 100%; height: 100%;
  background: linear-gradient(180deg, transparent, var(--gold-light));
  animation: scrollLine 2.4s ease-in-out infinite;
}
@keyframes scrollLine{
  0%{ top: -100%; }
  60%{ top: 100%; }
  100%{ top: 100%; }
}

/* =========================================================
   ABOUT
========================================================= */
.about{ padding: 8rem 0 6rem; }
.about__text{
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  color: var(--ivory-dim);
  font-size: .98rem;
  letter-spacing: .04em;
}

/* =========================================================
   SHOP LIST
========================================================= */
.shops{ padding: 4rem 0 8rem; }
.shop-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
}
@media (min-width: 760px){
  .shop-grid{ grid-template-columns: repeat(3, 1fr); gap: 1.8rem; }
}
.shop-grid--two{
  max-width: 780px;
  margin: 0 auto;
}
@media (min-width: 760px){
  .shop-grid--two{ grid-template-columns: repeat(2, 1fr); gap: 2.4rem; }
}

.shop-card{
  display: block;
  position: relative;
  border: 1px solid var(--line);
  background: var(--black-2);
  overflow: hidden;
  transition: border-color .5s var(--ease), transform .5s var(--ease), box-shadow .5s var(--ease);
}
.shop-card:hover{
  border-color: var(--gold);
  transform: translateY(-6px);
  box-shadow: 0 22px 40px -20px rgba(0,0,0,.7);
}

.shop-card__media{
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: linear-gradient(160deg, #201a10, #0a0908 70%);
}
.shop-card__media img{
  width: 100%; height: 100%; object-fit: contain;
  transition: transform 1.1s var(--ease), filter .6s var(--ease);
  filter: grayscale(35%) brightness(.88);
}
.shop-card:hover .shop-card__media img{
  transform: scale(1.08);
  filter: grayscale(0%) brightness(1);
}
.shop-card__media::after{
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,9,8,0) 40%, rgba(10,9,8,.92) 100%);
}
.shop-card__body{
  position: relative;
  display: block;
  padding: 1.6rem 1.7rem 2rem;
}
.shop-card__name-en{
  display: block;
  font-family: var(--serif-en);
  font-size: 1.35rem;
  letter-spacing: .08em;
  color: var(--ivory);
}
.shop-card__name-ja{
  display: block;
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--ivory-dim);
  margin-top: .35rem;
}
.shop-card__btn{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1.3rem;
  font-family: var(--serif-en);
  font-size: .72rem;
  letter-spacing: .22em;
  color: var(--gold-light);
}
.shop-card__btn .arrow{
  display: inline-block;
  width: 18px; height: 1px;
  background: var(--gold);
  position: relative;
  transition: width .4s var(--ease);
}
.shop-card__btn .arrow::after{
  content: "";
  position: absolute; right: 0; top: -3px;
  width: 6px; height: 6px;
  border-top: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
  transform: rotate(45deg);
}
.shop-card:hover .shop-card__btn .arrow{ width: 28px; }

/* =========================================================
   SNS
========================================================= */
.sns{ padding: 2rem 0 8rem; }
.sns-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.4rem;
}
@media (min-width: 760px){
  .sns-grid{ grid-template-columns: repeat(3, 1fr); }
}
.sns-grid--two{
  max-width: 640px;
  margin: 0 auto;
}
@media (min-width: 760px){
  .sns-grid--two{ grid-template-columns: repeat(2, 1fr); }
}
.sns-group{
  text-align: center;
  padding: 2.6rem 1.5rem;
  border: 1px solid var(--line);
  transition: border-color .5s var(--ease), background .5s var(--ease);
}
.sns-group:hover{ border-color: var(--gold); background: var(--black-2); }
.sns-group__title{
  font-family: var(--serif-en);
  letter-spacing: .12em;
  font-size: 1.05rem;
  color: var(--gold-light);
  margin: 0 0 1.6rem;
}
.sns-icons{
  display: flex;
  justify-content: center;
  gap: 2.4rem;
}
.sns-icon{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  color: var(--ivory-dim);
  font-size: .68rem;
  letter-spacing: .08em;
  transition: color .4s var(--ease);
}
.sns-icon svg{
  width: 26px; height: 26px;
  transition: transform .45s var(--ease), color .4s var(--ease);
}
.sns-icon:hover{ color: var(--gold-light); }
.sns-icon:hover svg{ transform: translateY(-4px); color: var(--gold); }

/* =========================================================
   CONTACT
========================================================= */
.contact{ padding: 2rem 0 8rem; }
.contact-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
}
@media (min-width: 760px){
  .contact-grid{ grid-template-columns: repeat(3, 1fr); }
}
.contact-card{
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: .9rem;
  padding: 2.6rem 1.5rem;
  border: 1px solid var(--line);
  position: relative;
  transition: border-color .5s var(--ease), transform .5s var(--ease);
}
.contact-card:hover{ border-color: var(--gold); transform: translateY(-4px); }
.contact-card__icon{
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--gold-deep);
  border-radius: 50%;
  color: var(--gold-light);
  transition: box-shadow .5s var(--ease), border-color .5s var(--ease);
}
.contact-card:hover .contact-card__icon{
  border-color: var(--gold);
  box-shadow: 0 0 24px rgba(201,169,106,.35);
}
.contact-card__icon svg{ width: 20px; height: 20px; }
.contact-card__label{
  font-size: .86rem;
  letter-spacing: .06em;
  color: var(--ivory);
}
.contact-card__sub{
  font-family: var(--serif-en);
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--gold-light);
}

/* =========================================================
   FOOTER
========================================================= */
.site-footer{
  position: relative;
  border-top: 1px solid var(--line);
  padding: 4rem 0 3rem;
  text-align: center;
  background: linear-gradient(180deg, transparent, rgba(201,169,106,.05));
}
.site-footer__brand{
  font-family: var(--serif-en);
  letter-spacing: .3em;
  color: var(--gold-light);
  font-size: 1.1rem;
  margin: 0 0 1.6rem;
}
.site-footer__links{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.6rem 2.4rem;
  margin-bottom: 2rem;
}
.site-footer__links a{
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--ivory-dim);
  position: relative;
  padding-bottom: 3px;
}
.site-footer__links a::after{
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--gold);
  transform: scaleX(0);
  transition: transform .4s var(--ease);
}
.site-footer__links a:hover{ color: var(--gold-light); }
.site-footer__links a:hover::after{ transform: scaleX(1); }

.site-footer__copy{
  font-size: .68rem;
  letter-spacing: .05em;
  color: #6b655c;
  margin: 0;
}

.to-top{
  position: fixed;
  right: 1.6rem; bottom: 1.6rem;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--gold-deep);
  background: rgba(10,9,8,.7);
  backdrop-filter: blur(6px);
  cursor: pointer;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: opacity .4s var(--ease), transform .4s var(--ease), border-color .4s var(--ease);
  z-index: 400;
}
.to-top.is-visible{ opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover{ border-color: var(--gold); }
.to-top span{
  display: block; width: 100%; height: 100%; position: relative;
}
.to-top span::before{
  content: "";
  position: absolute; top: 55%; left: 50%;
  width: 9px; height: 9px;
  border-top: 1px solid var(--gold-light);
  border-left: 1px solid var(--gold-light);
  transform: translate(-50%,-50%) rotate(45deg);
}