/* ============================================================
   IKUSAGAMI $2014 軍神 | style.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Zen+Old+Mincho:wght@400;500;700;900&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400;1,500&display=swap');

:root {
  /*--bg:          #f5f3ef;*/
  /*--bg-section:  #eeece7;*/
  --bg:          #fff;
  --bg-section:  #fff;
  --bg-dark:     #1c1c1a;
  --ink:         #1e1d1b;
  --ink-mid:     #4a4845;
  --ink-light:   #7a7875;
  --silver:      #b0aeaa;
  --silver-pale: #d6d4cf;
  --silver-deep: #8a8884;
  --border:      #dddbd6;
  --border-dark: rgba(255,255,255,0.08);
  --font-ja:     'Zen Old Mincho', serif;
  --font-en:     'Cormorant Garamond', serif;
  --nav-h:       68px;
  --sec-py:      clamp(5rem, 10vw, 9rem);
  --container:   1060px;
  --gutter:      clamp(1.5rem, 5vw, 4rem);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font-family: var(--font-ja); font-weight: 400; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
ul { list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section    { padding: var(--sec-py) 0; }
.section--mid  { background: var(--bg-section); }
.section--dark { background: var(--bg-dark); }
.mt-lg { margin-top: 3.5rem; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 900;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--gutter);
  transition: background .5s, border-color .5s;
}
.nav--hero  { background: transparent; }
.nav--solid { background: rgba(245,243,239,0.96); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }

.nav__logo { display: flex; flex-direction: column; line-height: 1; flex-shrink: 0; transition: opacity .3s; }
.nav__logo:hover { opacity: .7; }
.nav__logo-en { font-family: var(--font-en); font-weight: 400; font-size: 1.05rem; letter-spacing: .38em; color: #fff; transition: color .5s; }
.nav--solid .nav__logo-en { color: var(--ink); }
.nav__logo-ja { font-family: var(--font-ja); font-size: .5rem; letter-spacing: .3em; color: rgba(255,255,255,.55); margin-top: 4px; transition: color .5s; }
.nav--solid .nav__logo-ja { color: var(--ink-light); }

.nav__right { display: flex; align-items: center; gap: 1.25rem; }

.lang-switcher { display: flex; border: 1px solid rgba(255,255,255,.3); border-radius: 1px; overflow: hidden; transition: border-color .5s; }
.nav--solid .lang-switcher { border-color: var(--silver); }
.lang-switcher__btn {
  font-family: "Noto Sans JP", sans-serif; font-size: .65rem; letter-spacing: .2em;
  padding: .3rem .75rem; border: none; background: transparent;
  color: rgba(255,255,255,.8); transition: all .25s; line-height: 1;
  display: inline-flex; align-items: center; text-decoration: none;
}

.lang-switcher__btn:hover {
  background: rgba(255,255,255,0.9);
  color: #000;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.nav--solid .lang-switcher__btn { color: var(--ink-light); }
.lang-switcher__btn.is-active { background: rgba(255,255,255,.15); color: #fff; }


.nav--solid .lang-switcher__btn { color: var(--ink-light); }
.lang-switcher__btn.is-active {
  background: rgba(255,255,255,0.9);
  color: #000;
}

.nav--solid .lang-switcher__btn.is-active { background: var(--ink); color: var(--bg); }
.lang-switcher__sep { width: 1px; background: rgba(255,255,255,.2); align-self: stretch; transition: background .5s; }
.nav--solid .lang-switcher__sep { background: var(--silver); }

.hamburger { width: 40px; height: 40px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; border: none; background: none; padding: 0; flex-shrink: 0; }
.hamburger__bar { display: block; width: 22px; height: 1px; background: rgba(255,255,255,.85); transition: all .38s cubic-bezier(.23,1,.32,1); transform-origin: center; }
.nav--solid .hamburger__bar { background: var(--ink); }
.hamburger.is-open .hamburger__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open .hamburger__bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-open .hamburger__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ============================================================
   NAV SP
   ============================================================ */
@media (max-width: 479px) {

.nav {
  padding: 0;
}

.lang-switcher__btn {
    font-size: .5rem;
}

.nav__logo {
    padding-left:15px;
}

.nav__logo-en {
    font-size: 1rem;
}

}

/* ============================================================
   MENU OVERLAY
   ============================================================ */
.menu-overlay { position: fixed; inset: 0; z-index: 800; background: rgba(0, 0, 0, 0.8); display: flex; flex-direction: column; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity .45s ease; }
.menu-overlay.is-open { opacity: 1; pointer-events: all; }
.menu-overlay.is-open .menu-overlay__rule { opacity: 1; }
.menu-nav { display: flex; flex-direction: column; width: 100%; }
.menu-nav__item { display: flex; align-items: stretch;  opacity: 0; transform: translateY(10px); transition: opacity .35s, transform .35s, background .2s; }
.menu-overlay.is-open .menu-nav__item { opacity: 1; transform: translateY(0); }
.menu-overlay.is-open .menu-nav__item:nth-child(1) { transition-delay: .06s; }
.menu-overlay.is-open .menu-nav__item:nth-child(2) { transition-delay: .10s; }
.menu-overlay.is-open .menu-nav__item:nth-child(3) { transition-delay: .14s; }
.menu-overlay.is-open .menu-nav__item:nth-child(4) { transition-delay: .18s; }
.menu-overlay.is-open .menu-nav__item:nth-child(5) { transition-delay: .22s; }
.menu-overlay.is-open .menu-nav__item:nth-child(6) { transition-delay: .26s; }
.menu-overlay.is-open .menu-nav__item:nth-child(7) { transition-delay: .30s; }
.menu-nav__item:hover { background: rgba(255, 255, 255, 0.2);  }
.menu-nav__link { display: flex; align-items: center; justify-content: center; gap: clamp(1.5rem,4vw,3.5rem); width: 100%; padding: 1.35rem var(--gutter); }
.menu-nav__en { font-family: var(--font-en); font-size: clamp(1rem,2.8vw,1.6rem); letter-spacing: .35em; color: #fff; text-align: center; min-width: clamp(120px,20vw,220px); font-weight: 400; }
.menu-nav__sep { width: 1px; height: 28px; background: var(--silver); flex-shrink: 0; }
.menu-nav__ja  { font-family: var(--font-ja); font-size: clamp(.75rem,1.6vw,.95rem); letter-spacing: .22em; color: var(--ink-light); text-align: left; min-width: clamp(100px,16vw,180px); }
.menu-overlay__sub { margin-top: 2.5rem; display: flex; align-items: center; gap: 1.5rem; opacity: 0; transition: opacity .4s .4s; }
.menu-overlay.is-open .menu-overlay__sub { opacity: 1; }
.menu-lang-btn { font-family: var(--font-en); font-size: .7rem; letter-spacing: .22em; padding: .5rem 1.4rem; border: 1px solid var(--silver); background: transparent; color: var(--ink-light); transition: all .25s; text-decoration: none; display: inline-block; }
.menu-lang-btn { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.menu-overlay__sub-sep { width: 1px; height: 16px; background: var(--silver); }
.menu-lang-btn:hover { border-color: rgba(255, 255, 255, 0.2); transition: all 0.25s;}
.menu-overlay__sub-sep { width: 1px; height: 16px; background: var(--silver);}

/* ============================================================
   HERO
   ============================================================ */

.mv-content-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 600px;
    padding: 0 20px;
    box-sizing: border-box;
}

h1.mv-logo {
    margin: 0;
    padding: 0;
    margin-bottom: 100px;
    text-align: center;
    animation: logoFadeIn 2s forwards ease-out;
}

h1.mv-logo img {
    width: 300px;
    height: auto;
    display: block;
}
@media screen and (max-width: 820px) {
    h1.mv-logo img {
        width: 180px;
    }
}
@media screen and (max-width: 820px) {
    h1.mv-logo {
/*        margin-bottom: 30px;*/
    }
}


.hero { position: relative; height: 100svh; min-height: 580px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.hero__video-wrap { position: absolute; inset: 0; z-index: 0; }
.hero__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.2s ease; }
.hero__video.is-active { opacity: 1; }
.hero__fallback { position: absolute; inset: 0; background: linear-gradient(175deg,#1a1f1c,#232820 35%,#1e1e1b 65%,#151513); z-index: -1; }
.hero__overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(to bottom,rgba(20,20,18,.38),rgba(20,20,18,.52) 50%,rgba(20,20,18,.72)); }
.hero__content { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1.2rem; padding: 0 var(--gutter); opacity: 0; animation: heroFadeIn 1.4s ease .6s forwards; }
@keyframes heroFadeIn { from{opacity:0;transform:translateY(14px)} to{opacity:1;transform:translateY(0)} }
.hero__logo-mark { width: clamp(80px,14vw,140px); margin-bottom: .5rem; }
.hero__brand-en { font-family: var(--font-en); font-weight: 300; font-size: clamp(.75rem,2.2vw,1.05rem); letter-spacing: .75em; color: rgba(255,255,255,.55); }
.hero__brand-ja { font-family: var(--font-ja); font-weight: 900; font-size: clamp(2.8rem,7vw,5.5rem); letter-spacing: .25em; color: #fff; line-height: 1; }
.hero__tagline  { font-family: var(--font-en); font-style: italic; font-weight: 300; font-size: clamp(.8rem,1.6vw,1rem); letter-spacing: .12em; color: rgba(255,255,255,.4); }
.hero__scroll { position: absolute; bottom: 2.25rem; /*left: 50%;*/ transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: .6rem; opacity: 0; animation: heroFadeIn 1s ease 2s forwards; }
.hero__scroll-text { font-family: var(--font-en); font-size: .55rem; letter-spacing: .55em; color: rgba(255,255,255,.35); writing-mode: vertical-rl; }
.hero__scroll-line { width: 1px; height: 48px; background: linear-gradient(to bottom,rgba(255,255,255,.35),transparent); animation: scrollPulse 2.4s ease-in-out 2.5s infinite; }
@keyframes scrollPulse { 0%,100%{opacity:.35;transform:scaleY(1)} 50%{opacity:.85;transform:scaleY(1.1)} }
.hero__dots { position: absolute; bottom: 2.25rem; right: var(--gutter); z-index: 2; display: flex; gap: .5rem; align-items: center; }
.hero__dot { width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,.3); border: none; padding: 0; transition: background .35s,transform .35s; }
.hero__dot.is-active { background: rgba(255,255,255,.85); transform: scale(1.3); }

/* ============================================================
   SECTION HEAD
   ============================================================ */
.section-head { display: flex; align-items: center; gap: 1.25rem; margin-bottom: clamp(3rem,6vw,5rem); }
.section-head__en { font-family: var(--font-en); font-weight: 400; font-size: .65rem; letter-spacing: .45em; color: var(--ink-mid); white-space: nowrap; }
.section-head__rule { flex: 1; height: 1px; background: var(--border); }
.section-head__dot  { width: 4px; height: 4px; border-radius: 50%; background: var(--silver); flex-shrink: 0; }
.section-head__ja   { font-family: var(--font-ja); font-size: .6rem; letter-spacing: .2em; color: var(--silver-deep); white-space: nowrap; }
.section--dark .section-head__en   { color: var(--silver-pale); }
.section--dark .section-head__rule { background: rgba(255,255,255,.08); }
.section--dark .section-head__dot  { background: var(--silver-deep); }
.section--dark .section-head__ja   { color: var(--silver-deep); }
.section--gallery .section-head__en { color: var(--silver-pale); }

/* ============================================================
   CONCEPT
   ============================================================ */

/* 外枠: 写真を左に突き抜けさせるため padding なし */
.section--concept { padding: 0; }

.concept__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: clamp(520px, 70vh, 820px);
}

/* 左: 写真パネル（高さいっぱい） */
.concept__photo {
  position: relative;
  overflow: hidden;
  background: var(--bg-section);
}
.concept__photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s ease;
}
.concept__photo:hover img { transform: scale(1.03); }
.concept__photo-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 0.85rem 1.5rem;
  background: rgba(245,243,239,0.82);
   /*border-top: 1px solid var(--border);*/
  font-family: var(--font-en);
  font-size: 0.56rem;
  letter-spacing: 0.28em;
  color: var(--ink-light);
  color: #000;
  z-index: 2;
}

/* 右: テキストパネル $2014 縦方向に3分割（上部ラベル / 中央見出し / 下部本文） */
.concept__text-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(3rem, 7vw, 6rem) clamp(2.5rem, 6vw, 5rem);
  background: var(--bg);
  gap: 0;
}

/* セクションラベル（上部） */
.concept__label-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.concept__label-en {
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.45em;
  color: var(--ink-mid);
  white-space: nowrap;
}
.concept__label-rule { flex: 1; height: 1px; background: var(--border); }
.concept__label-dot  { width: 4px; height: 4px; border-radius: 50%; background: var(--silver); flex-shrink: 0; }
.concept__label-ja   { font-family: var(--font-ja); font-size: 0.58rem; letter-spacing: 0.2em; color: var(--silver-deep); white-space: nowrap; }

/* 見出し: 横中央揃え */
.concept__heading {
  font-family: var(--font-ja);
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.65;
  color: var(--ink);
  text-align: center;        /* 横中央 */
  margin-bottom: clamp(1.8rem, 3.5vw, 2.8rem);
  padding-bottom: clamp(1.5rem, 3vw, 2.2rem);
  border-bottom: 1px solid var(--border);
}

/* 本文: 横並び（flex-direction: row） */
.concept__body-stack {
  display: flex;
  flex-direction: row;      /* 横並び */
  gap: 2rem;
  margin-bottom: 2rem;
  align-items: flex-start;
}
.concept__body {
  font-family: var(--font-ja);
  font-size: clamp(0.78rem, 1.3vw, 0.85rem);
  line-height: 2.3;
  color: var(--ink-mid);
  letter-spacing: 0.05em;
  flex: 1;   /* 横並び時に均等幅 */
}

.concept__link {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--font-en);
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  color: var(--ink);
  border-bottom: 1px solid var(--silver);
  padding-bottom: 0.22rem;
  margin-top: 0.5rem;
  transition: opacity 0.3s;
  align-self: flex-start;
}
.concept__link:hover { opacity: 0.6; }
.concept__link::after {
  content: '';
  display: block;
  width: 28px; height: 1px;
  background: var(--silver-deep);
  transition: width 0.3s;
}
.concept__link:hover::after { width: 44px; }

@media (max-width: 860px){
.concept__photo      { order: 2; }   /* 写真を下へ */
.concept__text-panel { order: 1; }   /* テキストを上へ */

}



/* ============================================================
   COLLECTION
   ============================================================ */

/* PC グリッド表示 */
.coll-pc-grid {
  display: grid;
  /* 左:大 = 2fr、右:小グリッド = 3fr */
  grid-template-columns: 2fr 3fr;
  gap: 0;
}

/* 左: フィーチャー（大）カード */
.coll-feature {
  position: relative;
  overflow: hidden;
}
.coll-feature__thumb {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
  display: block;
}
.coll-feature:hover .coll-feature__thumb { transform: scale(1.03); }
.coll-feature__info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 2rem 1.8rem;
  background: linear-gradient(to top, rgba(10,10,8,0.72) 0%, transparent 100%);
  z-index: 2;
}
.coll-feature__badge {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.48rem;
  letter-spacing: 0.24em;
  color: var(--bg);
  border: 1px solid rgba(255,255,255,0.4);
  padding: 0.24rem 0.6rem;
  margin-bottom: 0.75rem;
}
.coll-feature__name {
  font-family: var(--font-ja);
  font-size: clamp(1rem, 2.2vw, 1.4rem);
  letter-spacing: 0.15em;
  color: #fff;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 0.35rem;
}
.coll-feature__en {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 0.55rem;
}
.coll-feature__price {
  font-family: var(--font-ja);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.05em;
}

/* 右: 小グリッド（2×2 または 3×2） */
.coll-sub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
}
.coll-sub-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: unset;
}
.coll-sub-item__thumb {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease, opacity 0.4s ease;
  display: block;
}
.coll-sub-item__thumb--hover {
  opacity: 0;
  z-index: 1;
}
@media (hover: hover) {
  .coll-sub-item:hover .coll-sub-item__thumb--main  { opacity: 0;  transform: scale(1.04); }
  .coll-sub-item:hover .coll-sub-item__thumb--hover { opacity: 1;  transform: scale(1.04); }
}
.coll-sub-item__info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.1rem 1rem;
  background: linear-gradient(to top, rgba(10,10,8,0.68) 0%, transparent 100%);
  z-index: 2;
  opacity: 0;
  transition: opacity 0.35s;
}
@media (hover: hover) {
  .coll-sub-item:hover .coll-sub-item__info { opacity: 1; }
}
/* SP: 常時表示 */
@media (hover: none) {
  .coll-sub-item__info { opacity: 1; background: linear-gradient(to top, rgba(10,10,8,0.55) 0%, transparent 100%); }
}
.coll-sub-item__name {
  font-family: var(--font-ja);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: #fff;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 0.18rem;
}
.coll-sub-item__price {
  font-family: var(--font-ja);
  font-size: 0.68rem;
  color: rgba(255,255,255,0.75);
}
.coll-sub-item__cat {
  font-family: var(--font-en);
  font-size: 0.5rem;
  letter-spacing: 0.25em;
  color: rgba(255,255,255,0.55);
  margin-bottom: 0.25rem;
}
/* セパレーターライン */
.coll-sub-item::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border: 0.5px solid rgba(255,255,255,0.08);
  pointer-events: none;
  z-index: 3;
}

/* SP 用 Swiper（PC では hidden） */
.coll-sp-swiper { display: none; }

/* 合計高さを揃えるため PC グリッドは min-height 設定 */
.coll-pc-grid { min-height: clamp(420px, 65vh, 720px); }

/* ボタン */
.coll-more { display: flex; justify-content: center; }

/* ============================================================
   CRAFT
   ============================================================ */
.craft-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: clamp(1.5rem,3vw,2.5rem); }
.craft-item__visual { aspect-ratio: 1; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative; margin-bottom: 1.5rem; background: var(--bg-section); }
.craft-item__num { position: absolute; top: .9rem; left: 1rem; font-family: var(--font-en); font-style: italic; font-size: 2.2rem; color: var(--silver-pale); line-height: 1; font-weight: 300; }
.craft-item__cat { font-family: var(--font-en); font-size: .6rem; letter-spacing: .34em; color: var(--silver-deep); margin-bottom: .55rem; }
.craft-item__heading { font-family: var(--font-ja); font-size: .95rem; letter-spacing: .12em; color: var(--ink); margin-bottom: .7rem; line-height: 1.65; font-weight: 500; }
.craft-item__body    { font-family: var(--font-ja); font-size: .8rem; line-height: 2.1; color: var(--ink-mid); }

/* ============================================================
   MATERIAL $2014 縦長動画
   ============================================================ */
.material__inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem,6vw,6rem); align-items: center; }
.material__heading { font-family: var(--font-ja); font-size: clamp(1.45rem,3vw,2rem); font-weight: 700; letter-spacing: .2em; line-height: 1.75; color: #fff; margin-bottom: 1.5rem; }
.material__body    { font-family: var(--font-ja); font-size: clamp(.78rem,1.4vw,.88rem); line-height: 2.4; color: #fff; }
.material__list    { margin-top: 2.5rem; display: flex; flex-direction: column; border-top: 1px solid var(--border-dark); }
.mat-item    { display: flex; gap: 1.25rem; padding: 1.5rem 0; border-bottom: 1px solid var(--border-dark); }
.mat-item__num  { font-family: var(--font-en); font-style: italic; font-size: 1.7rem; font-weight: 300; color: var(--silver-deep); opacity: .45; line-height: 1; min-width: 2rem; }
.mat-item__en   { font-family: var(--font-en); font-size: .68rem; letter-spacing: .3em; color: var(--silver); margin-bottom: .45rem; }
.mat-item__body { font-family: var(--font-ja); font-size: .78rem; line-height: 1.95; color: rgba(180,180,178,.45); }

/* 縦長動画ラッパー $2014 PC:右カラム / SP:全幅 */
.material__video-wrap {
  position: relative;
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
  border-radius: 2px;
  overflow: hidden;
  aspect-ratio: 9 / 16;
  background: #111;
}
.material__video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.material__video-fallback {
  position: absolute; inset: 0;
  display: none;
}

/* ============================================================
   GALLERY
   ============================================================ */
.section--gallery { background:var(--bg-dark); overflow:hidden; }
.gallery-wrap {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  height:min(80vh, 680px);
  overflow:hidden;
  margin-top:0;
}
.gallery-swiper {
  width:100%;
  height:100%;
  overflow:hidden;
}
/* Swiper vertical: スライドの高さを固定 */
.gallery-swiper .swiper-wrapper { flex-direction:column; }
.gallery-slide {
  width:100% !important;
  height:clamp(220px, 34vh, 340px) !important;
  flex-shrink:0;
  overflow:hidden;
}
.gallery-slide img {
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  opacity: 0.8;
}

/* ============================================================
   HOW TO BUY
   ============================================================ */

.htb-lead {
  font-family: var(--font-ja);
  font-size: clamp(.85rem,1.5vw,.95rem);
  line-height: 2.2;
  color: var(--ink-mid);
  letter-spacing: .05em;
  margin-bottom: clamp(3rem,6vw,5rem);
  text-align: center;
}

/* ── PC: flex 横並び ── */
.htb-flow {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  width: 100%;
}

/* ステップカード */
.htb-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  min-width: 0;            /* flex-child のはみ出し防止 */
  max-width: 220px;
  padding: 0 clamp(.5rem, 1.5vw, 1rem);
}

/* アイコン円 */
.htb-step__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--ink-mid);
  margin-bottom: 1.25rem;
  flex-shrink: 0;
  transition: border-color .3s, color .3s;
}
.htb-step:hover .htb-step__icon {
  border-color: var(--silver-deep);
  color: var(--ink);
}
.htb-step__icon svg { width: 30px; height: 30px; }

/* 番号 */
.htb-step__num {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--silver);
  line-height: 1;
  margin-bottom: .75rem;
}

/* タイトル */
.htb-step__title {
  font-family: var(--font-ja);
  font-size: clamp(.85rem, 1.4vw, .98rem);
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--ink);
  margin-bottom: .65rem;
  line-height: 1.55;
}

/* 本文 */
.htb-step__body {
  font-family: var(--font-ja);
  font-size: .78rem;
  line-height: 2;
  color: var(--ink-light);
}

/* ── 矢印（PC: 横、SP: 縦） ── */
.htb-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--silver);
  /* PC: アイコン円の中心に合わせて上部余白を調整
     icon(64px) + margin(20px) + num(~22px) + margin(12px) = ~118px / 2 $2248 59px */
  padding-top: 28px;
}

/* 横矢印: PC で表示 */
.htb-arrow__h {
  display: block;
  width: clamp(24px, 3vw, 36px);
  height: auto;
}

/* 縦矢印: 初期は非表示 */
.htb-arrow__v {
  display: none;
  width: 22px;
  height: auto;
}
/* ============================================================
   タブレット (480px$301C768px) : 2列×2行
   ============================================================ */
@media (max-width: 768px) {
  .htb-flow {
    display: grid;
    grid-template-columns: 1fr max-content 1fr;
    grid-template-rows: auto auto auto;
    align-items: start;
    justify-items: center;
    gap: 0;
    max-width: 560px;
    margin: 0 auto;
  }

  /* 各ステップの配置 */
  /* step01 */  .htb-step:nth-child(1) { grid-column: 1; grid-row: 1; }
  /* →矢印01 */ .htb-arrow:nth-child(2){ grid-column: 2; grid-row: 1;
                  writing-mode: horizontal-tb; padding-top: 28px; }
  /* step02 */  .htb-step:nth-child(3) { grid-column: 3; grid-row: 1; }
  /* ↓矢印02（下矢印：2列間の縦つなぎ） */
                .htb-arrow:nth-child(4) {
                  grid-column: 3; grid-row: 2;
                  padding-top: 0;
                  padding-bottom: 0;
                  align-self: stretch;
                  /* 縦矢印モードに切替 */
                }
  /* step03 */  .htb-step:nth-child(5) { grid-column: 3; grid-row: 3; }
  /* →矢印03（右→左に逆走） */
                .htb-arrow:nth-child(6){ grid-column: 2; grid-row: 3;
                  padding-top: 28px; transform: scaleX(-1); }
  /* step04 */  .htb-step:nth-child(7) { grid-column: 1; grid-row: 3; }

  /* タブレットでは矢印02のみ縦矢印表示 */
  .htb-arrow:nth-child(4) .htb-arrow__h { display: none; }
  .htb-arrow:nth-child(4) .htb-arrow__v { display: block; }
  .htb-arrow:nth-child(4) { padding: .75rem 0; }

  .htb-step {
    max-width: 200px;
    padding: 0 .5rem;
  }

  .htb-arrow__h { width: 28px; }
}

/* ============================================================
   SP ($301C479px) : 縦1列
   ============================================================ */
@media (max-width: 479px) {
  .htb-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-width: 320px;
    margin: 0 auto;
  }

  .htb-step {
    max-width: 100%;
    width: 100%;
    padding: 0;
  }

  /* SP: 全矢印を縦に切り替え */
  .htb-arrow {
    padding: .5rem 0;
  }
  .htb-arrow__h { display: none; }
  .htb-arrow__v { display: block; }

  /* タブレットで適用した grid 配置をリセット */
  .htb-step:nth-child(1),
  .htb-step:nth-child(3),
  .htb-step:nth-child(5),
  .htb-step:nth-child(7) {
    grid-column: unset;
    grid-row: unset;
  }
  .htb-arrow:nth-child(2),
  .htb-arrow:nth-child(4),
  .htb-arrow:nth-child(6) {
    grid-column: unset;
    grid-row: unset;
    transform: none;
    padding: .5rem 0;
  }
  .htb-arrow:nth-child(6) { transform: none; }
}


/* ============================================================
   NEWS
   ============================================================ */
.news-list { display: flex; flex-direction: column; border-top: 1px solid var(--border); }
.news-item { display: flex; align-items: baseline; gap: 1.75rem; padding: 1.35rem 0; border-bottom: 1px solid var(--border); }
.news-item__date  { font-family: "Noto Sans JP", sans-serif; font-size: .8rem; color: var(--ink-light); white-space: nowrap; min-width: 80px; flex-shrink: 0; }
.news-item__title { font-family: var(--font-ja); font-size: .88rem; line-height: 1.75; color: var(--ink-mid); }
.news-more { display: flex; justify-content: center; }
.news-item a{text-decoration: underline;}
.news-item a:hover{text-decoration: none;}


/* ============================================================
   BUTTON
   ============================================================ */
.btn { display: inline-block; font-family: var(--font-en); font-size: .68rem; letter-spacing: .38em; border: 1px solid var(--ink); padding: .9rem 3rem; background: transparent; color: var(--ink); transition: background .3s, color .3s; cursor: pointer; text-align: center; }
.btn:hover { background: var(--ink); color: var(--bg); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--bg-dark); padding: clamp(4rem,8vw,6rem) var(--gutter) 2.5rem; }
.footer__inner { max-width: var(--container); margin: 0 auto; }
.footer__top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid var(--border-dark); margin-bottom: 2rem; }

.footer__brand-en { font-family: var(--font-en); font-size: 1.05rem; letter-spacing: .38em; color: #fff; display: block; margin-bottom: 5px; }
.footer__brand-ja { font-family: var(--font-ja); font-size: .5rem; letter-spacing: .28em; color: rgba(255,255,255,.5); display: block; margin-bottom: 1.25rem; }
.footer__desc { font-family: var(--font-ja); font-size: .78rem; line-height: 2.1; color: #fff; }

/* SNS */
.footer__sns { display: flex; gap: 1rem; margin-top: 1.5rem; }
.footer__sns-link { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; color: #fff; opacity: .65; transition: opacity .25s; }
.footer__sns-link:hover { opacity: 1; }
.footer__sns-icon { width: 18px; height: 18px; fill: currentColor; }

/* フッターナビ */
.footer__col-head { font-family: var(--font-en); font-size: .6rem; letter-spacing: .34em; color: #fff; margin-bottom: 1.25rem; display: block; }
.footer__col ul { display: flex; flex-direction: column; gap: .7rem; }

/* ─── フッターリンク: #fff・不透明、ホバーで下線浮き出し ─── */
.footer__col a {
  font-family: var(--font-ja);
  font-size: .78rem;
  color: #fff;
  opacity: 1;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 4px;
  transition: text-decoration-color .25s;
}
.footer__col a:hover { text-decoration-color: #fff; }

.footer__bottom { display: flex; justify-content: space-between; align-items: center; }
.footer__copy, .footer__domain { font-family: var(--font-en); font-size: .58rem; letter-spacing: .2em; color: rgba(255,255,255,.9); }

/* ============================================================
   THUMB IMAGE
   ============================================================ */
.thumb-img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.craft-item__visual .thumb-img { position: absolute; inset: 0; opacity: .85; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  :root { --nav-h: 60px; }

  /* CONCEPT: SP は縦積み */
  .concept__layout { grid-template-columns: 1fr; min-height: auto; }
  .concept__photo  { position: relative; min-height: 56vw; aspect-ratio: unset; }
  /* 本文: SP では縦に戻す */
  .concept__body-stack { flex-direction: column; gap: 1.25rem; }

  /* COLLECTION: PC グリッドを隠し SP Swiper を表示 */
  .coll-pc-grid   { display: none; }
  .coll-sp-swiper { display: block; }

  .craft-grid { grid-template-columns: 1fr 1fr; }
  .material__inner { grid-template-columns: 1fr; }
  .material__video-wrap { max-width: 280px; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .menu-nav__en { min-width: 140px; }
  .menu-nav__ja { min-width: 110px; }
  .htb-flow { gap: 1.5rem 0; }
  .htb-step { min-width: 140px; max-width: 180px; }
  .htb-step__arrow { display: none; }
}

@media (max-width: 560px) {
  .craft-grid { grid-template-columns: 1fr; }
  .gallery-wrap { height: min(72vh, 500px); }
  .footer__top { grid-template-columns: 1fr;  text-align: center;}
  .footer__bottom { flex-direction: column; gap: .6rem; }
  .news-item { flex-wrap: wrap; gap: .4rem; }
  .hero__brand-ja { letter-spacing: .15em; }
  .menu-nav__sep { height: 22px; }
  .menu-nav__en  { font-size: .9rem; min-width: 110px; }
  .menu-nav__ja  { font-size: .72rem; min-width: 90px; }
  .htb-step { max-width: 100%; min-width: 0; width: 100%; }
  .footer__sns { margin-top: 1.5rem; display: inline-flex; }
}

/* ============================================================
   COLLECTION SP SWIPER $2014 1.3個表示
   ============================================================ */
.coll-sp-swiper { width: 100%; overflow: hidden; }
.coll-sp-swiper .swiper-wrapper { padding-left: var(--gutter); }
.coll-sp-swiper .swiper-slide {
  width: 76vw !important;
  max-width: 320px;
  flex-shrink: 0;
  padding-right: 0;
  margin-right: 1rem;
}
.coll-sp-card  { display: block; text-decoration: none; color: inherit; }
.coll-sp-thumb { position: relative; aspect-ratio: 3/4; overflow: hidden; background: var(--bg-section); }
.coll-sp-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.coll-sp-badge {
  position: absolute; top: .7rem; left: .7rem;
  font-family: var(--font-en); font-size: .48rem; letter-spacing: .22em;
  border: 1px solid var(--silver); padding: .22rem .55rem;
  background: var(--bg); color: var(--ink-mid); z-index: 1;
}
.coll-sp-info  { padding: .85rem 0 0; }
.coll-sp-cat   { font-family: var(--font-en); font-size: .52rem; letter-spacing: .32em; color: var(--ink); margin-bottom: .3rem; }
.coll-sp-name  { font-family: var(--font-ja); font-size: .92rem; letter-spacing: .1em; color: var(--ink); margin-bottom: .15rem; }
.coll-sp-en    { font-family: var(--font-en); font-style: italic; font-size: .75rem; color: var(--ink-light); margin-bottom: .5rem; }
.coll-sp-price { font-family: var(--font-ja); font-size: .8rem; color: var(--ink); }
.coll-sp-mat   { font-family: var(--font-en); font-size: .52rem; letter-spacing: .15em; color: var(--silver-deep); margin-top: .18rem; }