/* ============ tokens（白×墨×朱の和モダン） ============ */
:root {
  --paper: #faf9f6;
  --paper2: #f2f0ea;
  --ink: #1a1917;
  --dim: #7a766e;
  --line: #dfdcd4;
  --shu: #d43d2a; /* 朱 */
  --gold: #c9a961; /* シャンパンゴールド（ヒーロー用） */
  --font-mincho: 'Shippori Mincho', serif;
  --font-en: 'Space Grotesk', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --page-progress: 0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body); background: var(--paper); color: var(--ink); line-height: 1.9; overflow-x: hidden;
  background-image: radial-gradient(#00000006 1px, transparent 1px);
  background-size: 5px 5px;
}
a { color: inherit; text-decoration: none; }
video { display: block; }

/* 注: デモのため prefers-reduced-motion では止めない（実運用時は要検討） */

[data-reveal] { opacity: 0; transform: translateY(44px); transition: opacity 1s var(--ease-expo), transform 1s var(--ease-expo); }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ============ loader（墨の縦線） ============ */
.loader {
  position: fixed; inset: 0; z-index: 300; background: var(--paper);
  display: grid; place-items: center;
  transition: opacity 0.7s var(--ease-expo), visibility 0.7s;
}
.loader.done { opacity: 0; visibility: hidden; }
.loader-line { position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; background: var(--ink); transform-origin: top; animation: inkline 0.9s var(--ease-expo) forwards; }
@keyframes inkline { from { transform: scaleY(0); } to { transform: scaleY(1); } }
.loader-logo { font-family: var(--font-en); font-weight: 700; font-size: 1.6rem; letter-spacing: 0.3em; background: var(--paper); padding: 8px 20px; }
.loader-logo i, .brand i, .footer-logo i { color: var(--shu); font-style: normal; }

/* ============ progress / header ============ */
.page-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 150; background: var(--shu); transform: scaleX(var(--page-progress)); transform-origin: left; will-change: transform; }
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 140; display: flex; align-items: center; gap: 30px; padding: 20px 28px; color: #fff; mix-blend-mode: difference; }
.brand { font-family: var(--font-en); font-weight: 700; letter-spacing: 0.24em; font-size: 1.05rem; margin-right: auto; }
.header-nav { display: none; gap: 26px; font-size: 0.82rem; font-weight: 500; }
@media (min-width: 900px) { .header-nav { display: flex; } }
.header-nav a { position: relative; padding: 4px 0; }
.header-nav a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px; background: var(--shu); transform: scaleX(0); transform-origin: right; transition: transform 0.35s var(--ease-expo); }
.header-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.menu-btn { background: none; border: 0; cursor: pointer; display: flex; flex-direction: column; gap: 6px; padding: 8px; }
.menu-btn i { width: 30px; height: 1.5px; background: var(--ink); transition: transform 0.35s var(--ease-expo); }
.menu-btn.open i:nth-child(1) { transform: translateY(3.75px) rotate(45deg); }
.menu-btn.open i:nth-child(2) { transform: translateY(-3.75px) rotate(-45deg); }

/* ============ menu overlay（紙がめくれる白） ============ */
.menu-overlay { position: fixed; inset: 0; z-index: 130; background: var(--paper2); clip-path: inset(0 0 0 100%); transition: clip-path 0.7s var(--ease-expo); visibility: hidden; }
.menu-overlay.open { clip-path: inset(0); visibility: visible; }
.menu-overlay nav { height: 100%; display: flex; align-items: center; padding: 0 12vw; }
.menu-overlay ul { list-style: none; }
.menu-overlay li { opacity: 0; transform: translateX(40px); transition: opacity 0.6s var(--ease-expo), transform 0.6s var(--ease-expo); border-bottom: 1px solid var(--line); }
.menu-overlay.open li { opacity: 1; transform: none; }
.menu-overlay a { display: flex; align-items: baseline; gap: 20px; padding: 18px 4px; }
.menu-overlay small { font-family: var(--font-en); color: var(--shu); }
.menu-overlay span { font-family: var(--font-mincho); font-weight: 600; font-size: clamp(1.8rem, 5vw, 3.2rem); transition: color 0.3s, letter-spacing 0.5s var(--ease-expo); }
.menu-overlay a:hover span { color: var(--shu); letter-spacing: 0.1em; }

/* ============ hero ============ */
.hero { position: relative; height: 100vh; overflow: hidden; display: flex; align-items: center; }
.hero-video-wrap { position: absolute; inset: 0; }
.hero-video {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(calc(1 + (var(--sp, 0.5) - 0.5) * 0.35)) translateY(calc((var(--sp, 0.5) - 0.5) * 70px));
  will-change: transform;
}
/* 二個目（ホテル）に寄せた国際的ダーク×金のヒーロー */
.hero { background: #0d0e12; }
.hero-veil { position: absolute; inset: 0; background:
  radial-gradient(120% 90% at 70% 30%, #0d0e1200 0%, #0d0e1266 55%, #0d0e12f2 100%),
  linear-gradient(180deg, #0d0e1266 0%, #0d0e1200 30%, #0d0e12e8 100%); }
.hero-inner {
  position: relative; z-index: 2; padding: 0 8vw; max-width: 1180px; text-align: center; margin: 0 auto;
  transform: translateY(calc((var(--sp, 0.5) - 0.5) * 170px));
  opacity: calc(1.25 - (var(--sp, 0.5) - 0.5) * 2.6);
  will-change: transform, opacity;
}
.hero-kicker { font-family: var(--font-en); letter-spacing: 0.42em; font-size: clamp(0.62rem, 1vw, 0.82rem); color: var(--gold); margin-bottom: 26px; opacity: 0; animation: fadeUp 1s var(--ease-expo) 0.35s forwards; }
.hero-title { font-family: 'Cormorant Garamond', var(--font-mincho), serif; font-weight: 500; color: #f4f1ea; font-size: clamp(2.8rem, 8.4vw, 7.2rem); line-height: 1.06; letter-spacing: 0.03em; text-transform: uppercase; }
.hero-word { display: inline-block; overflow: hidden; vertical-align: top; }
.hero-word + .hero-word { margin-left: 0.3em; }
.hero-word > span { display: inline-block; transform: translateY(115%); animation: wordRise 1s var(--ease-expo) forwards; }
@keyframes wordRise { to { transform: none; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.hero-rule { width: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--gold), transparent); margin: 34px auto 0; animation: ruleOpen 1.4s var(--ease-expo) 1.1s forwards; }
@keyframes ruleOpen { to { width: min(360px, 60vw); } }
.hero-jp { font-family: var(--font-mincho); font-weight: 500; color: #cfc9bd; font-size: clamp(1rem, 2vw, 1.35rem); letter-spacing: 0.28em; margin-top: 26px; opacity: 0; animation: fadeUp 1s var(--ease-expo) 1.6s forwards; }
.hero-sub { max-width: 540px; margin: 22px auto 0; color: #9a968c; font-weight: 300; font-size: 0.92rem; opacity: 0; animation: fadeUp 1s var(--ease-expo) 1.9s forwards; }
.hero-scroll { position: absolute; left: 50%; transform: translateX(-50%); bottom: 5vh; z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.hero-scroll span { font-family: var(--font-en); font-size: 0.6rem; letter-spacing: 0.3em; color: var(--gold); }
.hero-scroll i { width: 1px; height: 58px; background: linear-gradient(180deg, var(--gold), transparent); transform-origin: top; animation: scrollLine 1.8s var(--ease-expo) infinite; }
@keyframes scrollLine { 0% { transform: scaleY(0); } 55% { transform: scaleY(1); transform-origin: top; } 56% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ============ marquee（フッターで使用・右方向へ自動） ============ */
.dm-track { white-space: nowrap; font-family: var(--font-mincho); font-weight: 800; will-change: transform; }
.dm-track span { display: inline-block; }
.dm-track.auto-right { animation: tickerRight 40s linear infinite; }
@keyframes tickerRight { from { transform: translateX(-50%); } to { transform: translateX(0); } }

/* ============ sec heading ============ */
.sec-heading { font-family: var(--font-mincho); font-weight: 800; font-size: clamp(1.8rem, 3.6vw, 2.8rem); letter-spacing: 0.08em; }
.sec-heading small { display: block; font-family: var(--font-en); font-weight: 600; font-size: 0.72rem; letter-spacing: 0.34em; color: var(--shu); margin-top: 10px; }

/* ============ services（横長カード・下から順にフェードイン／Michikusa参照） ============ */
.svc { padding: clamp(70px, 10vw, 130px) 8vw; max-width: 1200px; margin: 0 auto; }
.svc-head { position: relative; margin-bottom: clamp(30px, 5vw, 56px); }
.ghost-title { display: block; font-family: var(--font-en); font-weight: 700; font-size: clamp(4rem, 13vw, 11rem); line-height: 0.9; letter-spacing: 0.02em; color: #1a19170a; user-select: none; }
.svc-lead { position: absolute; left: 4px; bottom: 6px; font-family: var(--font-mincho); font-weight: 800; font-size: clamp(1.2rem, 2.4vw, 1.8rem); }
.svc-list { display: flex; flex-direction: column; gap: clamp(22px, 3vw, 34px); }
/* フェードイン（下から・順に）: useReveal が .is-visible を付与 */
.svc-row[data-reveal] { opacity: 0; transform: translateY(64px); transition: opacity 0.9s var(--ease-expo), transform 0.9s var(--ease-expo); }
.svc-row[data-reveal].is-visible { opacity: 1; transform: none; }
.svc-row:nth-child(2) { transition-delay: 0.08s; }
.svc-row:nth-child(3) { transition-delay: 0.16s; }
.svc-row:nth-child(4) { transition-delay: 0.24s; }
.svc-row {
  position: relative; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 14px;
  display: grid; grid-template-columns: 220px 1fr 1fr; gap: 30px; align-items: center; padding: 30px 34px;
  transition: transform 0.5s var(--ease-expo), box-shadow 0.5s var(--ease-expo);
}
.svc-row:hover { transform: translateY(-6px); box-shadow: 0 26px 54px #1a191714; }
.svc-row-media { position: relative; border-radius: 10px; overflow: hidden; aspect-ratio: 40 / 26; }
.svc-row-media .svc-art-svg { width: 100%; height: 100%; display: block; transition: transform 0.6s var(--ease-expo); }
.svc-row:hover .svc-row-media .svc-art-svg { transform: scale(1.05); }
.svc-no { position: absolute; top: 12px; left: 12px; font-family: var(--font-en); font-weight: 700; font-size: 0.78rem; letter-spacing: 0.18em; color: #fff; background: var(--shu); padding: 3px 11px; border-radius: 999px; }
.svc-row-body h3 { font-family: var(--font-mincho); font-weight: 800; font-size: clamp(1.35rem, 2.2vw, 1.75rem); letter-spacing: 0.04em; }
.svc-row-body h3 small { display: block; font-family: var(--font-en); font-weight: 600; font-size: 0.66rem; letter-spacing: 0.22em; color: var(--shu); margin-top: 8px; }
.svc-row-body p { color: #55524b; font-size: 0.86rem; margin-top: 14px; }
.svc-feat { font-family: var(--font-en); font-weight: 600; font-size: 0.66rem; letter-spacing: 0.2em; color: var(--dim); border-bottom: 1px solid var(--line); padding-bottom: 8px; margin-bottom: 14px; }
.svc-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.svc-tags li { font-size: 0.72rem; font-weight: 600; color: #3c3a35; background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 6px 12px; }
.svc-cta {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 20px; padding: 12px 22px; border-radius: 999px;
  font-size: 0.82rem; font-weight: 700; color: #fff; background: hsl(var(--hue) 70% 42%);
  transition: transform 0.3s var(--ease-expo), filter 0.3s;
}
.svc-cta i { font-style: normal; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: #ffffff33; }
.svc-cta:hover { transform: translateX(4px); filter: brightness(1.08); }
/* カード下端からはみ出す半円（カラーはhue） */
.svc-semicircle { position: absolute; left: 50%; bottom: -70px; width: 150px; height: 150px; border-radius: 50%; background: hsl(var(--hue) 65% 55% / 0.16); transform: translateX(-50%); }

/* ============ about（2カラム・動画パララックス浮遊＋コピースライドイン） ============ */
.aboutsec { padding: clamp(80px, 11vw, 150px) 8vw; background: var(--paper2); border-top: 1px solid var(--line); overflow: hidden; }
.about-inner { max-width: 1200px; margin: 0 auto; display: grid; gap: clamp(40px, 6vw, 80px); align-items: center; }
@media (min-width: 900px) { .about-inner { grid-template-columns: 1.05fr 1fr; } }
.about-media { position: relative; }
.about-video-frame {
  border-radius: 10px; overflow: hidden; box-shadow: 0 30px 70px #1a191722; aspect-ratio: 4 / 5;
  transform: translateY(calc((var(--sp, 0.5) - 0.5) * -70px)); will-change: transform;
}
.about-video { width: 100%; height: 100%; object-fit: cover; }
.about-media-note { display: block; margin-top: 12px; font-family: var(--font-en); font-size: 0.64rem; letter-spacing: 0.14em; color: var(--dim); text-align: right; }
.about-copy [data-reveal] { transform: translateX(46px); }
.about-copy [data-reveal].is-visible { transform: none; }
.about-kicker { font-family: var(--font-mincho); font-weight: 800; font-size: clamp(1.4rem, 2.6vw, 2rem); margin-bottom: 22px; }
.about-kicker em { font-style: normal; margin-left: 14px; font-family: var(--font-en); font-weight: 600; font-size: 0.7rem; letter-spacing: 0.3em; color: var(--shu); }
.about-copy h2 { font-family: var(--font-mincho); font-weight: 800; font-size: clamp(1.8rem, 3.6vw, 3rem); line-height: 1.5; letter-spacing: 0.06em; }
.about-body { margin-top: 24px; }
.about-body p { color: #3c3a35; margin-bottom: 1em; }

/* ============ stats ============ */
.stats { padding: clamp(80px, 11vw, 140px) 8vw; max-width: 1280px; margin: 0 auto; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); margin-top: 46px; border-top: 1px solid var(--ink); }
.stat { border-bottom: 1px solid var(--line); padding: 30px 18px 34px; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat h3 { font-size: 0.82rem; font-weight: 700; color: var(--dim); }
.stat p { display: flex; align-items: baseline; gap: 8px; margin-top: 12px; }
.stat strong { font-family: var(--font-en); font-weight: 700; font-size: clamp(3rem, 5.6vw, 4.6rem); line-height: 1; color: var(--ink); }
.stat span { color: var(--shu); font-weight: 700; }

/* ============ news ============ */
.news { padding: 0 8vw clamp(80px, 11vw, 140px); max-width: 1100px; margin: 0 auto; }
.news-list { list-style: none; margin-top: 40px; }
.news-list li { position: relative; border-bottom: 1px solid var(--line); }
.news-list li a { display: flex; gap: 20px; align-items: center; padding: 24px 6px; flex-wrap: wrap; }
.news-list li::after { content: ''; position: absolute; left: 0; bottom: -1px; width: 100%; height: 1px; background: var(--shu); transform: scaleX(0); transform-origin: right; transition: transform 0.5s var(--ease-expo); }
.news-list li:hover::after { transform: scaleX(1); transform-origin: left; }
.news-list time { font-family: var(--font-en); color: var(--dim); }
.tag { border: 1px solid var(--shu); color: var(--shu); border-radius: 999px; padding: 2px 14px; font-size: 0.68rem; font-weight: 700; }
.news-list p { flex: 1 1 300px; font-weight: 500; }
.news-list i { font-style: normal; color: var(--shu); transition: transform 0.3s var(--ease-expo); }
.news-list li:hover i { transform: translateX(8px); }

/* ============ cases（導入事例） ============ */
.cases { padding: clamp(80px, 11vw, 140px) 8vw; max-width: 1200px; margin: 0 auto; }
.cases-grid { display: grid; gap: 26px; margin-top: 48px; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.case-card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: 40px 36px 34px; overflow: hidden; }
.case-card::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: var(--shu); }
.case-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.case-no { font-family: var(--font-en); font-weight: 700; letter-spacing: 0.18em; color: var(--shu); font-size: 0.9rem; }
.case-tag { border: 1px solid var(--ink); border-radius: 999px; padding: 3px 14px; font-size: 0.7rem; font-weight: 700; }
.case-client { margin-top: 22px; color: var(--dim); font-size: 0.82rem; letter-spacing: 0.04em; }
.case-title { font-family: var(--font-mincho); font-weight: 800; font-size: clamp(1.4rem, 2.4vw, 1.9rem); line-height: 1.4; margin: 8px 0 18px; }
.case-body { color: #55524b; font-size: 0.9rem; }
.case-metrics { display: flex; gap: 30px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.case-metric strong { font-family: var(--font-en); font-weight: 700; font-size: clamp(2rem, 3.4vw, 2.8rem); line-height: 1; color: var(--ink); }
.case-metric strong em { font-style: normal; font-size: 0.5em; color: var(--shu); margin-left: 3px; }
.case-metric small { display: block; margin-top: 6px; color: var(--dim); font-size: 0.74rem; }

/* ============ cta / contact form / footer ============ */
.cta { text-align: center; padding: clamp(90px, 12vw, 150px) 8vw; background: var(--paper2); border-top: 1px solid var(--line); }
.cta h2 { font-family: var(--font-mincho); font-weight: 800; font-size: clamp(1.9rem, 4.6vw, 3.4rem); line-height: 1.5; }
.cta > p { color: var(--dim); margin: 20px auto 44px; max-width: 620px; }
.contact-form { max-width: 680px; margin: 0 auto; text-align: left; display: grid; gap: 18px; grid-template-columns: 1fr 1fr; }
.cf-field { display: grid; gap: 8px; }
.cf-field.cf-wide { grid-column: 1 / -1; }
.cf-field > span { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em; }
.cf-field > span em { font-style: normal; color: var(--shu); font-size: 0.68rem; margin-left: 6px; }
.cf-field input, .cf-field textarea {
  font-family: inherit; font-size: 0.92rem; color: var(--ink); background: #fff;
  border: 1px solid var(--line); border-radius: 3px; padding: 13px 15px; transition: border-color 0.25s;
}
.cf-field input:focus, .cf-field textarea:focus { outline: none; border-color: var(--shu); }
.cf-field textarea { resize: vertical; }
.cf-submit {
  grid-column: 1 / -1; justify-self: center; margin-top: 6px; cursor: pointer;
  border: 0; background: var(--ink); color: var(--paper); font-weight: 700; letter-spacing: 0.12em;
  padding: 16px 48px; border-radius: 999px; transition: background 0.3s var(--ease-expo), transform 0.3s var(--ease-expo);
}
.cf-submit:hover { background: var(--shu); transform: translateY(-3px); }
.cf-note { grid-column: 1 / -1; text-align: center; color: var(--dim); font-size: 0.74rem; margin-top: 2px; }
@media (max-width: 620px) { .contact-form { grid-template-columns: 1fr; } }
.footer-marquee { overflow: hidden; border-top: 1px solid var(--line); padding: 16px 0; background: var(--paper); }
.footer-marquee .dm-a { font-family: var(--font-mincho); font-size: clamp(1.7rem, 4.2vw, 3.2rem); color: transparent; -webkit-text-stroke: 1px #1a191740; }
.footer-main { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding: clamp(50px, 7vw, 80px) 8vw; border-top: 1px solid var(--line); }
.footer-logo { font-family: var(--font-en); font-weight: 700; font-size: 1.5rem; letter-spacing: 0.24em; }
.footer-co { margin-top: 12px; font-weight: 700; }
.footer-addr { color: var(--dim); font-size: 0.8rem; margin-top: 6px; }
.footer-main ul { list-style: none; display: grid; gap: 4px; }
.footer-main nav a { display: flex; gap: 14px; align-items: baseline; font-weight: 600; padding: 4px 0; }
.footer-main nav a:hover { color: var(--shu); }
.footer-main nav small { font-family: var(--font-en); color: var(--shu); font-size: 0.7rem; }
.footer-copy { text-align: center; color: #a09c93; font-size: 0.7rem; padding: 0 0 30px; }

/* ============ news detail page（#/news/:id） ============ */
.news-page { min-height: 100vh; background: var(--paper); }
.news-page .site-header { position: static; mix-blend-mode: normal; color: var(--ink); border-bottom: 1px solid var(--line); }
.news-article { max-width: 760px; margin: 0 auto; padding: clamp(40px, 8vw, 90px) 8vw clamp(60px, 9vw, 110px); }
.news-back { display: inline-block; font-family: var(--font-en); font-weight: 600; font-size: 0.8rem; letter-spacing: 0.06em; color: var(--shu); transition: opacity 0.25s; }
.news-back:hover { opacity: 0.65; }
.news-article-meta { display: flex; align-items: center; gap: 14px; margin: 34px 0 18px; }
.news-article-meta time { font-family: var(--font-en); font-weight: 600; color: var(--dim); }
.news-article-title { font-family: var(--font-mincho); font-weight: 800; font-size: clamp(1.7rem, 4vw, 2.6rem); line-height: 1.5; letter-spacing: 0.04em; }
.news-article-body { margin-top: 34px; border-top: 1px solid var(--line); padding-top: 34px; }
.news-article-body p { color: #3c3a35; margin-bottom: 1.4em; line-height: 2; }
.news-article-foot { margin-top: 50px; padding-top: 26px; border-top: 1px solid var(--line); }

/* ============ mobile ============ */
@media (max-width: 860px) {
  .svc-row { grid-template-columns: 1fr; gap: 20px; }
  .svc-row-media { aspect-ratio: 16 / 9; }
}
@media (max-width: 700px) {
  .about-video-frame { transform: none; }
}