/* ================= 第3弾: 参考サイトの技法 ================= */
html { scroll-padding-top: 84px; }

/* 冒頭: 幕ではなく、点が脈打ってふわっと消える */
#ichika-curtain { transition: opacity 1.2s ease; flex-direction: column; gap: 18px; }
#ichika-curtain.open { transform: none; opacity: 0; pointer-events: none; }
#ichika-curtain::after { content: "●  ●  ●"; color: #a8a22a; font-size: .8rem; letter-spacing: .4em; animation: dotpulse 1.1s ease-in-out infinite; }
@keyframes dotpulse { 0%,100% { opacity: .25; } 50% { opacity: 1; } }

/* トップ: 写真のクロスフェード+ゆっくり拡大 */
.ichika-slides { position: absolute; inset: 0; z-index: 1; }
.ichika-slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity 2s ease; transform: scale(1); }
.ichika-slide.on { opacity: 1; animation: ichika-zoom 7s ease-out forwards; }
@keyframes ichika-zoom { from { transform: scale(1.14); } to { transform: scale(1); } }
.hero-overlay { z-index: 2; background: linear-gradient(90deg, rgba(0,0,0,.72) 0%, rgba(0,0,0,.35) 55%, rgba(0,0,0,.45) 100%), linear-gradient(180deg, rgba(0,0,0,.4), rgba(0,0,0,0) 35%, rgba(0,0,0,.6)); }
.hero-lead, .hero-eyebrow { text-shadow: 0 2px 12px rgba(0,0,0,.9); }
.ichika-dots { position: absolute; z-index: 4; left: 50%; bottom: 26px; transform: translateX(-50%); display: flex; gap: 10px; }
.ichika-dots i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.4); cursor: pointer; transition: background .3s, transform .3s; }
.ichika-dots i.on { background: #e8d36a; transform: scale(1.35); }

/* 「SCROLL」の線が伸びて満ちる */
.scroll-cue span { display: block; width: 1px; height: 70px; background: rgba(255,255,255,.3); border: 0; position: relative; overflow: hidden; animation: none; transform: none; margin: 0; }
.scroll-cue span::after { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 100%; background: #e8d36a; transform: translateY(-100%); animation: scroll-fill 2.2s ease-in-out infinite; }
@keyframes scroll-fill { 0% { transform: translateY(-100%); } 60% { transform: translateY(0); } 100% { transform: translateY(100%); } }

/* 予約ボタンはスクロールの途中から横からスッと出る */
.ichika-reserve:not(.ichika-top) { transform: translateX(110%); opacity: 0; transition: transform .6s cubic-bezier(.2,.8,.2,1), opacity .6s, background .2s; }
.ichika-reserve:not(.ichika-top).appear { transform: none; opacity: 1; }
.ichika-reserve:not(.ichika-top).appear:hover { transform: translateX(-4px); }

/* 出入りで繰り返す、下から開くように現れる写真・カード */
.ichika-wipe { opacity: 0; transform: translateY(26px); transition: opacity .9s ease var(--d, 0s), transform 1s cubic-bezier(.2,.7,.2,1) var(--d, 0s); }
.ichika-wipe.ichika-in { opacity: 1; transform: none; }
.ichika-wipe img { clip-path: inset(0 0 100% 0); transition: clip-path 1.1s cubic-bezier(.2,.7,.2,1) calc(var(--d, 0s) + .1s); }
.ichika-wipe.ichika-in img { clip-path: inset(0 0 0 0); }
.ichika-photo.ichika-wipe { transform: translateY(calc(var(--py, 0px) + 26px)); }
.ichika-photo.ichika-wipe.ichika-in { transform: translateY(var(--py, 0px)); }
/* 写真の縁を提灯の光のようにぼかす */
.ichika-photo { -webkit-mask-image: radial-gradient(ellipse 72% 72% at 50% 50%, #000 62%, transparent 100%); mask-image: radial-gradient(ellipse 72% 72% at 50% 50%, #000 62%, transparent 100%); box-shadow: none; }

/* 写真列(カルーセル) */
.ichika-car-host { position: relative; }
.gallery-grid.ichika-car { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding: 8px 0 36px; }
.gallery-grid.ichika-car::-webkit-scrollbar { display: none; }
.gallery-grid.ichika-car .gallery-item { flex: 0 0 min(78vw, 440px); scroll-snap-align: center; transform: none; aspect-ratio: 4/3; }
.gallery-grid.ichika-car .gallery-item-wide { grid-column: auto; }
.gallery-grid.ichika-car .ichika-wipe.ichika-in { transform: none; }
.ichika-car-nav { display: flex; justify-content: flex-end; gap: 12px; margin-top: -12px; }
.ichika-car-nav button { width: 48px; height: 48px; border-radius: 50%; border: 1px solid #a8a22a; background: transparent; color: #e8d36a; font-size: 1.6rem; line-height: 1; cursor: pointer; transition: background .2s; }
.ichika-car-nav button:hover { background: rgba(168,162,42,.25); }

/* 予約モーダル */
#ichika-modal { position: fixed; inset: 0; z-index: 9000; display: grid; place-items: center; visibility: hidden; opacity: 0; transition: opacity .35s, visibility .35s; }
#ichika-modal.open { visibility: visible; opacity: 1; }
.ichika-modal-bg { position: absolute; inset: 0; background: rgba(8,7,6,.82); backdrop-filter: blur(4px); }
.ichika-modal-box { position: relative; width: min(92vw, 460px); background: #1d1c1a url("../img/noise.png"); border: 1px solid rgba(232,211,106,.4); padding: 38px 28px 30px; text-align: center; transform: translateY(24px) scale(.97); transition: transform .45s cubic-bezier(.2,.8,.2,1); }
#ichika-modal.open .ichika-modal-box { transform: none; }
.ichika-modal-x { position: absolute; right: 10px; top: 6px; background: none; border: 0; color: #fff; font-size: 2rem; cursor: pointer; }
.ichika-modal-ttl { margin: 0; font: 600 1.7rem var(--font-serif); letter-spacing: .3em; color: #fff; }
.ichika-modal-sub { margin: 4px 0 22px; color: var(--color-text-muted); font-size: .82rem; letter-spacing: .15em; }
.ichika-modal-btn { display: block; margin-top: 12px; padding: 16px 12px; background: var(--olive); color: #fff; text-decoration: none; font: 700 1.05rem var(--font-serif); letter-spacing: .2em; border: 1px solid rgba(255,255,255,.2); transition: background .2s, transform .2s; }
.ichika-modal-btn:hover { background: #8a8624; transform: translateY(-2px); }
.ichika-modal-btn small { display: block; margin-top: 2px; font: 400 .74rem var(--font-sans); letter-spacing: .1em; opacity: .85; }
.ichika-modal-btn.tel { background: #3b3833; }
.ichika-modal-btn.ghost { background: transparent; border-color: rgba(232,211,106,.5); }
body.ichika-lock { overflow: hidden; }

/* スクロール後のヘッダー: 帯が締まる */
body.ichika-scrolled .brand { font-size: 1.35rem; }

@media (prefers-reduced-motion: reduce) {
  .ichika-wipe, .ichika-wipe img { opacity: 1; clip-path: none; transform: none; }
  .ichika-slide.on { animation: none; }
}

/* 自動で流れるギャラリー: 吸着を切って、なめらかに */
.gallery-grid.ichika-car.ichika-flow { scroll-snap-type: none; }
.gallery-grid.ichika-car.ichika-flow .gallery-item { scroll-snap-align: none; }

/* スマホ: 見出しを大きくしすぎない・はみ出さない(日本語以外は字間も詰める) */
@media (max-width: 720px) {
  h1, .section-title, .hero-title { overflow-wrap: anywhere; }
  .section-title { font-size: clamp(1.45rem, 6.4vw, 2rem); letter-spacing: .1em; }
  main h1 { font-size: clamp(1.6rem, 7.4vw, 2.4rem); letter-spacing: .08em; line-height: 1.5; }
  .hero-title { font-size: clamp(2.4rem, 12vw, 4rem); overflow-wrap: normal; }
  html:not([lang="ja"]) body { letter-spacing: .02em; }
  html:not([lang="ja"]) .section-title, html:not([lang="ja"]) main h1 { letter-spacing: .02em; }
  .site-header .header-inner { padding-right: 8px; }
}