/* ==========================================================
   IUR株式会社 / 岩手馬コレーシング IWATE UMACCO RACING
   トーン:三馬力社と同系(硬派・簡潔・実務)+レーシングの熱
   チームカラー: クリムゾン #901e23 / ゴールド #b39d5d
   ========================================================== */

:root {
  --ink: #1b1416;
  --ink-soft: #4d4348;
  --paper: #f6f3ef;
  --paper-dark: #ece6df;
  --crimson: #901e23;      /* チームカラー1:主アクセント */
  --crimson-deep: #6f171b;
  --gold: #b39d5d;         /* チームカラー2:副アクセント */
  --gold-deep: #9a8548;
  --line: #ddd5cb;
  --white: #fffdfb;
  --serif: "Shippori Mincho B1", "Noto Serif JP", "Yu Mincho", serif;
  --sans: "Noto Sans JP", "Yu Gothic", sans-serif;
  --max-w: 1080px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.9;
  font-size: 16px;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ---------- 署名マーク(見出しに和柄をさりげなく) ---------- */
.mark {
  display: block;
  width: 72px;
  height: 13px;
  background: url(../assets/wagara-ichimatsu.jpg) center / cover;
  border-bottom: 2px solid var(--gold);
  margin-bottom: 16px;
}
.sec-head.center .mark { margin-left: auto; margin-right: auto; }

/* ---------- 見出し ---------- */
.sec-head { margin-bottom: 48px; }
.sec-head .en {
  display: block; font-family: var(--sans);
  font-size: 12px; letter-spacing: 0.28em;
  color: var(--crimson); text-transform: uppercase; margin-bottom: 10px;
}
.machine .sec-head .en, .people .sec-head .en, .page-hero .en { color: var(--gold); }
.sec-head h2 {
  font-family: var(--serif); font-size: 30px; font-weight: 600;
  letter-spacing: 0.06em; line-height: 1.5;
}
.sec-head.center { text-align: center; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px; height: 72px;
  background: rgba(246, 243, 239, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s;
}
/* ヘッダー下端に和柄の細い帯をさりげなく(通常時のみ) */
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 3px;
  background: url(../assets/wagara-ichimatsu.jpg) center / auto 100% repeat-x;
  opacity: 0; transition: opacity 0.3s;
}
.site-header:not(.on-hero)::after, .site-header.on-hero.scrolled::after { opacity: 1; }
.site-header.on-hero { background: transparent; border-bottom: 1px solid rgba(255,255,255,0.18); }
.site-header.on-hero .brand, .site-header.on-hero .gnav a { color: var(--white); }
.site-header.on-hero.scrolled { background: rgba(246,243,239,0.94); border-bottom: 1px solid var(--line); }
.site-header.on-hero.scrolled .brand, .site-header.on-hero.scrolled .gnav a { color: var(--ink); }

.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo-img { height: 19px; width: auto; display: block; }
/* 通常時(明るいヘッダー)は色付きロゴ、ヒーロー上では白ロゴに差し替え */
.brand .logo-on-light { display: none; }
.site-header.scrolled .brand .logo-on-light { display: block; }
.site-header.scrolled .brand .logo-on-dark { display: none; }
.site-header:not(.on-hero) .brand .logo-on-light { display: block; }
.site-header:not(.on-hero) .brand .logo-on-dark { display: none; }

.gnav ul { display: flex; gap: 28px; align-items: center; }
.gnav a { font-size: 14px; letter-spacing: 0.08em; position: relative; padding: 6px 0; }
.gnav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px; background: var(--gold); transition: width 0.25s;
}
.gnav a:hover::after { width: 100%; }
.gnav a.nav-contact { border: 1px solid currentColor; padding: 8px 22px; }
.gnav a.nav-contact::after { display: none; }
.gnav a.nav-contact:hover { background: var(--crimson); border-color: var(--crimson); color: var(--white); }

.nav-toggle { display: none; background: none; border: none; width: 44px; height: 44px; cursor: pointer; position: relative; z-index: 110; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px auto; transition: transform 0.3s, opacity 0.3s; }
.site-header.on-hero:not(.scrolled) .nav-toggle span { background: var(--white); }
.nav-open .nav-toggle span { background: var(--ink) !important; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- ファーストビュー ---------- */
.hero {
  position: relative; height: 100svh; min-height: 560px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; color: var(--white); background: var(--crimson);
}
.hero-bg { position: absolute; inset: 0; z-index: 0;
  background: var(--crimson) url(../assets/hero-bg.jpg) center / cover no-repeat; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: radial-gradient(ellipse at 50% 46%, rgba(150,30,36,0.12), rgba(60,12,15,0.45) 88%);
}
.hero-content { position: relative; z-index: 2; text-align: center; padding: 0 24px; }
.hero-logo { width: clamp(170px, 25vw, 280px); margin: 0 auto;
  filter: drop-shadow(0 6px 30px rgba(0,0,0,0.45)); }
.hero-inner {
  position: absolute; z-index: 2; top: 50%; right: clamp(20px, 7vw, 108px);
  transform: translateY(-50%);
}
.hero-copy {
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: clamp(20px, min(3vw, 4.4vh), 34px);
  font-weight: 700; letter-spacing: 0.18em; line-height: 2.1;
  text-shadow: 0 2px 24px rgba(0,0,0,0.5);
}
.hero-scroll { position: absolute; z-index: 2; bottom: 30px; left: 50%; transform: translateX(-50%); font-size: 10px; letter-spacing: 0.3em; text-transform: uppercase; opacity: 0.8; }
.hero-scroll::after { content: ""; display: block; width: 1px; height: 40px; background: var(--white); margin: 10px auto 0; animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- セクション共通 ---------- */
section { padding: 96px 0; }

/* ---------- イントロ ---------- */
.intro { text-align: center; }
.intro p { font-family: var(--serif); font-size: clamp(16px, 2vw, 19px); line-height: 2.4; letter-spacing: 0.06em; max-width: 760px; margin: 0 auto 34px; }
.intro .pillars { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 14px; max-width: 820px; margin: 0 auto; }
.intro .pillars li {
  font-size: 13.5px; letter-spacing: 0.04em; color: var(--ink-soft);
  border: 1px solid var(--line); background: var(--white);
  padding: 9px 18px; border-radius: 100px;
}
.intro .pillars li::before { content: "▶"; color: var(--crimson); font-size: 0.7em; margin-right: 8px; vertical-align: 1px; }

/* ---------- 活動紹介カード ---------- */
.activity { background: var(--paper-dark); }
.biz-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.biz-card { background: var(--white); border: 1px solid var(--line); display: flex; flex-direction: column; transition: box-shadow 0.3s, transform 0.3s; }
.biz-card:hover { box-shadow: 0 12px 34px rgba(27,20,22,0.14); transform: translateY(-3px); }
.biz-card .thumb { aspect-ratio: 16 / 9; overflow: hidden; position: relative; background: linear-gradient(150deg, #3a2226, #1f1416); }
.biz-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.biz-card:hover .thumb img { transform: scale(1.04); }
.biz-card .body { padding: 26px 28px 30px; flex: 1; display: flex; flex-direction: column; }
.biz-card .num { font-size: 11px; letter-spacing: 0.2em; color: var(--gold-deep); margin-bottom: 6px; }
.biz-card h3 { font-family: var(--serif); font-size: 21px; font-weight: 600; letter-spacing: 0.06em; margin-bottom: 12px; }
.biz-card p { font-size: 14px; line-height: 2; color: var(--ink-soft); flex: 1; }

/* ---------- マシン(SF23)バンド ---------- */
.machine { background: var(--ink); color: var(--white); overflow: hidden; }
.machine .inner { display: grid; grid-template-columns: 1fr 1.15fr; gap: 40px; align-items: center; }
.machine .sec-head h2 { color: var(--white); }
.machine .lead { font-size: 15px; line-height: 2.1; color: rgba(255,253,251,0.82); margin-bottom: 22px; }
.machine .spec { font-size: 13px; letter-spacing: 0.06em; color: var(--gold); }
.machine .visual { display: grid; gap: 16px; }
.machine .shot { position: relative; }
.machine .shot img { width: 100%; border: 1px solid rgba(255,255,255,0.12); background: #ecebe9; }
.machine .shot .tag { position: absolute; top: 12px; left: 12px; font-size: 11px; letter-spacing: 0.2em; background: var(--crimson); color: #fff; padding: 6px 14px; }

/* ---------- MVV ---------- */
.mvv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 44px; }
.mvv-card { background: var(--white); border: 1px solid var(--line); padding: 38px 28px; text-align: center; position: relative; }
.mvv-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--crimson); }
.mvv-card.gold::before { background: var(--gold); }
.mvv-card .icon { width: 52px; height: 52px; margin: 0 auto 20px; color: var(--crimson); }
.mvv-card.gold .icon { color: var(--gold-deep); }
.mvv-card .label { font-size: 12px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--crimson); margin-bottom: 14px; }
.mvv-card.gold .label { color: var(--gold-deep); }
.mvv-card h3 { font-family: var(--serif); font-size: 20px; font-weight: 700; line-height: 1.7; letter-spacing: 0.05em; margin-bottom: 10px; }
.mvv-card p { font-size: 13.5px; line-height: 2; color: var(--ink-soft); }
.mvv-card .values { text-align: left; display: inline-block; font-size: 14px; line-height: 2.2; }
.mvv-card .values li { padding-left: 1.5em; text-indent: -1.5em; }
.mvv-card .values b { font-family: var(--serif); color: var(--crimson); }

/* ---------- ボタン ---------- */
.btn-row { text-align: center; }
.btn { display: inline-block; border: 1px solid var(--ink); padding: 15px 56px; font-size: 14px; letter-spacing: 0.18em; transition: background 0.25s, color 0.25s, border-color 0.25s; }
.btn:hover { background: var(--crimson); border-color: var(--crimson); color: var(--white); }
.btn.btn-light { border-color: var(--white); color: var(--white); }
.btn.btn-light:hover { background: var(--white); color: var(--ink); }

/* ---------- チーム(人物)入口 ---------- */
.people { background: var(--ink); color: var(--white); }
.people-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; max-width: 860px; margin: 0 auto 46px; }
.person { text-align: center; }
.person .photo { aspect-ratio: 3 / 4; background: linear-gradient(160deg, #342225, #1e1417); border: 1px solid rgba(255,253,251,0.15); margin-bottom: 18px; overflow: hidden; }
.person .photo img { width: 100%; height: 100%; object-fit: cover; }
.person .title { font-size: 12px; letter-spacing: 0.14em; color: var(--gold); margin-bottom: 5px; }
.person .name { font-family: var(--serif); font-size: 20px; font-weight: 600; letter-spacing: 0.12em; }
.person .name small { display:block; font-family: var(--sans); font-size: 11px; letter-spacing: 0.16em; color: rgba(255,253,251,0.55); margin-top: 4px; }

/* ---------- パートナー募集バンド ---------- */
.partner-band { position: relative; isolation: isolate; color: var(--white); text-align: center; padding: 96px 24px; overflow: hidden; }
.partner-band .bg { position: absolute; inset: 0; z-index: -2; }
.partner-band .bg img { width: 100%; height: 100%; object-fit: cover; }
.partner-band::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(111,23,27,0.86), rgba(27,20,22,0.9)); }
.partner-band .en { font-size: 12px; letter-spacing: 0.28em; color: var(--gold); text-transform: uppercase; margin-bottom: 14px; display: block; }
.partner-band h2 { font-family: var(--serif); font-size: clamp(22px, 3vw, 30px); font-weight: 700; letter-spacing: 0.08em; margin-bottom: 18px; }
.partner-band p { font-size: 15px; line-height: 2.1; max-width: 620px; margin: 0 auto 34px; color: rgba(255,253,251,0.9); }

/* ---------- ニュース ---------- */
.news-list { max-width: 760px; margin: 0 auto; border-top: 1px solid var(--line); }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list .news-empty { padding: 40px 8px; text-align: center; color: var(--ink-soft); font-size: 14px; letter-spacing: 0.1em; }

/* ============================================================
   下層ページ共通
   ============================================================ */
.page-hero { padding: 150px 0 66px; background: var(--ink); color: var(--white); position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: 0;
  background: url(../assets/wagara-asanoha.jpg) center / 320px repeat; opacity: 0.10; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero .en { display: block; font-size: 12px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }
.page-hero h1 { font-family: var(--serif); font-size: clamp(26px, 3.6vw, 38px); font-weight: 600; letter-spacing: 0.08em; }
.page-hero .lead { margin-top: 18px; font-size: 15px; opacity: 0.85; max-width: 660px; line-height: 2; }

.breadcrumb { font-size: 12px; color: var(--ink-soft); padding: 18px 0; letter-spacing: 0.05em; }
.breadcrumb a:hover { color: var(--crimson); }
.breadcrumb .sep { margin: 0 8px; }

/* prose(理念本文) */
.prose { max-width: 720px; margin: 0 auto; }
.prose h2 { font-family: var(--serif); font-size: 25px; font-weight: 600; letter-spacing: 0.06em; line-height: 1.7; margin-bottom: 28px; padding-left: 18px; border-left: 3px solid var(--crimson); }
.prose h3 { font-family: var(--serif); font-size: 17.5px; font-weight: 600; color: var(--crimson-deep); letter-spacing: 0.06em; margin: 2.4em 0 0.8em; }
.prose p { margin-bottom: 1.8em; font-size: 15.5px; line-height: 2.2; }
.prose p:last-child { margin-bottom: 0; }
.prose .em { font-family: var(--serif); font-size: 19px; line-height: 2.2; color: var(--crimson-deep); }

/* 理念MVV(大) */
.mvv-detail { background: var(--ink); color: var(--white); }
.mvv-detail .block { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.mvv-detail .block:last-child { margin-bottom: 0; }
.mvv-detail .label { font-size: 12px; letter-spacing: 0.3em; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; }
.mvv-detail h3 { font-family: var(--serif); font-size: clamp(22px, 3vw, 30px); font-weight: 700; line-height: 1.9; letter-spacing: 0.06em; margin-bottom: 18px; }
.mvv-detail p { font-size: 15px; line-height: 2.2; color: rgba(255,253,251,0.82); }
.mvv-detail .values { display: inline-block; text-align: left; font-family: var(--serif); font-size: clamp(17px, 2.2vw, 21px); font-weight: 600; line-height: 2.2; letter-spacing: 0.05em; }
.mvv-detail .values b { color: var(--gold); }

/* 活動詳細 */
.biz-section { padding: 84px 0; }
.biz-section:nth-child(even) { background: var(--paper-dark); }
.biz-detail { max-width: 820px; margin: 0 auto; }
.biz-detail .num { font-size: 12px; letter-spacing: 0.22em; color: var(--gold-deep); margin-bottom: 8px; }
.biz-detail h2 { font-family: var(--serif); font-size: 27px; font-weight: 600; letter-spacing: 0.06em; margin-bottom: 22px; }
.biz-detail p { font-size: 15px; line-height: 2.2; margin-bottom: 1.4em; color: var(--ink-soft); }
.biz-detail .media { margin-bottom: 40px; }
.biz-detail .media .frame { aspect-ratio: 16 / 9; overflow: hidden; border: 1px solid var(--line); background: #2a1a1c; }
.biz-detail .media .frame img { width: 100%; height: 100%; object-fit: cover; }
.biz-detail .media .caption { font-size: 12px; color: var(--ink-soft); margin-top: 10px; }
.biz-detail .record { border-top: 1px solid var(--line); margin-top: 16px; }
.biz-detail .record .row { display: flex; gap: 20px; padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 14px; flex-wrap: wrap; }
.biz-detail .record .row .ev { font-weight: 700; color: var(--crimson-deep); min-width: 210px; }
.biz-detail .record .row .dt { color: var(--ink-soft); }

/* 会社概要 */
.company-table { width: 100%; max-width: 760px; margin: 0 auto; border-collapse: collapse; }
.company-table th, .company-table td { border-bottom: 1px solid var(--line); padding: 22px 16px; text-align: left; font-size: 15px; line-height: 1.9; vertical-align: top; }
.company-table th { width: 180px; font-weight: 700; color: var(--crimson-deep); letter-spacing: 0.08em; white-space: nowrap; }
.related { max-width: 760px; margin: 72px auto 0; }
.related h2 { font-family: var(--serif); font-size: 22px; font-weight: 600; letter-spacing: 0.06em; padding-left: 14px; border-left: 3px solid var(--crimson); margin-bottom: 24px; }
.related ul { border-top: 1px solid var(--line); }
.related li { border-bottom: 1px solid var(--line); padding: 18px 8px; display: flex; flex-wrap: wrap; gap: 6px 28px; align-items: baseline; }
.related .corp { font-weight: 700; min-width: 200px; }
.related .links { font-size: 13.5px; color: var(--ink-soft); display: flex; gap: 20px; flex-wrap: wrap; }
.related .links a { color: var(--crimson); text-decoration: underline; text-underline-offset: 3px; }

/* 人物詳細 */
.profile-section { padding: 80px 0; }
.profile-section:nth-child(even) { background: var(--paper-dark); }
.profile { display: grid; grid-template-columns: 320px 1fr; gap: 52px; align-items: start; }
.profile .photo { aspect-ratio: 3 / 4; background: linear-gradient(160deg, #342225, #1e1417); border: 1px solid var(--line); overflow: hidden; }
.profile .photo img { width: 100%; height: 100%; object-fit: cover; }
.profile .title { font-size: 13px; letter-spacing: 0.14em; color: var(--crimson); margin-bottom: 8px; }
.profile h2 { font-family: var(--serif); font-size: 28px; font-weight: 600; letter-spacing: 0.12em; margin-bottom: 4px; }
.profile .subtitle { font-size: 12.5px; letter-spacing: 0.1em; color: var(--ink-soft); margin-bottom: 24px; }
.profile p { font-size: 15px; line-height: 2.2; margin-bottom: 1.2em; color: var(--ink-soft); }
.profile .sns { display: flex; gap: 16px; margin-top: 18px; }
.profile .sns a { color: var(--crimson); }
.profile .sns svg { width: 20px; height: 20px; }

/* パートナー */
.plan-intro { max-width: 760px; margin: 0 auto; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 900px; margin: 0 auto; }
.value-card { background: var(--white); border: 1px solid var(--line); border-top: 3px solid var(--crimson); padding: 26px 24px; }
.value-card .no { font-size: 12px; letter-spacing: 0.2em; color: var(--gold-deep); margin-bottom: 8px; }
.value-card h3 { font-family: var(--serif); font-size: 17px; font-weight: 600; margin-bottom: 8px; letter-spacing: 0.04em; }
.value-card p { font-size: 13px; line-height: 1.9; color: var(--ink-soft); }
.plan-table { width: 100%; max-width: 860px; margin: 0 auto; border-collapse: collapse; }
.plan-table th, .plan-table td { border-bottom: 1px solid var(--line); padding: 20px 16px; text-align: left; vertical-align: top; font-size: 14.5px; line-height: 1.9; }
.plan-table thead th { background: var(--ink); color: var(--white); font-size: 13px; letter-spacing: 0.1em; }
.plan-table .plan { font-family: var(--serif); font-weight: 600; white-space: nowrap; }
.plan-table .price { color: var(--crimson-deep); font-weight: 700; white-space: nowrap; }
.plan-note { max-width: 860px; margin: 22px auto 0; font-size: 12.5px; color: var(--ink-soft); line-height: 1.9; }

/* お問い合わせ */
.contact-intro { text-align: center; max-width: 680px; margin: 0 auto 48px; font-size: 15px; line-height: 2; }
.contact-form { max-width: 680px; margin: 0 auto; }
.form-row { margin-bottom: 26px; }
.form-row label { display: block; font-size: 14px; font-weight: 700; margin-bottom: 8px; letter-spacing: 0.06em; }
.form-row label .req { color: var(--crimson); font-size: 11px; font-weight: 400; margin-left: 8px; }
.form-row input[type="text"], .form-row input[type="email"], .form-row input[type="tel"], .form-row select, .form-row textarea {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line); background: var(--white); font-family: var(--sans); font-size: 15px; color: var(--ink); }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: none; border-color: var(--crimson); }
.form-row textarea { min-height: 180px; resize: vertical; }
.form-submit { text-align: center; margin-top: 38px; }
.form-submit button { font-family: var(--sans); cursor: pointer; background: var(--crimson); color: var(--white); border: 1px solid var(--crimson); padding: 16px 72px; font-size: 15px; letter-spacing: 0.2em; transition: background 0.25s, border-color 0.25s; }
.form-submit button:hover { background: var(--crimson-deep); border-color: var(--crimson-deep); }

/* CTA帯 */
.cta-band { background: var(--crimson); color: var(--white); text-align: center; padding: 78px 24px; }
.cta-band p { font-family: var(--serif); font-size: clamp(17px, 2.4vw, 22px); letter-spacing: 0.08em; margin-bottom: 30px; line-height: 2; }

/* ---------- フッター ---------- */
.site-footer { background:
    linear-gradient(rgba(20,13,12,0.92), rgba(20,13,12,0.92)),
    url(../assets/wagara-ajiro.jpg) center / 300px repeat;
  color: rgba(255,253,251,0.85); padding: 64px 0 32px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; margin-bottom: 44px; }
.footer-logo { height: 120px; width: auto; opacity: 0.95; margin-bottom: 16px; }
.footer-brand address { font-style: normal; font-size: 13px; line-height: 2; color: rgba(255,253,251,0.6); }
.footer-nav h4, .footer-contact h4 { font-size: 12px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold); margin-bottom: 18px; font-weight: 400; }
.footer-nav li, .footer-contact li { margin-bottom: 10px; }
.footer-nav a:hover, .footer-contact a:hover { color: var(--gold); }
.footer-sns { display: flex; gap: 16px; margin-top: 20px; }
.footer-sns a { opacity: 0.75; }
.footer-sns a:hover { opacity: 1; }
.footer-sns svg { width: 22px; height: 22px; }
.copyright { border-top: 1px solid rgba(255,253,251,0.12); padding-top: 24px; text-align: center; font-size: 12px; color: rgba(255,253,251,0.45); letter-spacing: 0.08em; }

/* ---------- スクロール表示アニメーション ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }
@media (max-width: 699px) { br.pc-only { display: none; } }

/* ---------- レスポンシブ ---------- */
@media (max-width: 900px) {
  .biz-grid { grid-template-columns: 1fr; }
  .machine .inner { grid-template-columns: 1fr; gap: 28px; }
  .machine .visual { order: -1; }
  .mvv-grid { grid-template-columns: 1fr; max-width: 460px; margin-left: auto; margin-right: auto; }
  .people-grid { grid-template-columns: repeat(2, 1fr); max-width: 460px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .profile { grid-template-columns: 1fr; gap: 30px; }
  .profile .photo { max-width: 300px; }
  .value-grid { grid-template-columns: 1fr; max-width: 460px; }
}
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .site-header.on-hero:not(.scrolled) { background: linear-gradient(180deg, rgba(50,8,11,0.55), rgba(50,8,11,0)); border-bottom-color: transparent; }
  .gnav { position: fixed; top: 0; left: 0; width: 100%; height: 100dvh; background: var(--paper); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.3s; z-index: 105; }
  .nav-open .gnav { opacity: 1; pointer-events: auto; }
  .gnav ul { flex-direction: column; gap: 26px; text-align: center; }
  .gnav a { font-size: 17px; color: var(--ink) !important; }
  section { padding: 72px 0; }
}

/* ============================================================
   Racing dynamism — テイスト調整（疾走感 / 躍動感）
   和の下地（色・和柄・ヒーローの明朝）は残し、書体と幾何で速度を足す
   ============================================================ */
:root {
  --serif: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif; /* 見出しは力強いゴシックへ */
  --tech: "Saira Condensed", "Noto Sans JP", sans-serif;      /* 英字ラベル/ナンバー（オブリーク） */
  --mincho: "Shippori Mincho B1", serif;                      /* 和の一手（ヒーローのミッションのみ） */
}
.sec-head h2, .page-hero h1, .biz-detail h2, .prose h2 { font-weight: 900; letter-spacing: 0.02em; }
.hero-copy { font-family: var(--mincho); }

/* 英字アイブロウ/ラベルを疾走オブリークに（+ // のスピード記号） */
.sec-head .en, .page-hero .en, .partner-band .en, .mvv-card .label, .mvv-detail .label {
  font-family: var(--tech); font-style: italic; font-weight: 700; letter-spacing: 0.16em;
}
.sec-head .en::before, .page-hero .en::before, .partner-band .en::before {
  content: "// "; color: var(--gold); font-weight: 700;
}
.person .name small, .profile .subtitle { font-family: var(--tech); font-style: italic; letter-spacing: 0.1em; }

/* レースナンバー風の番号 */
.biz-card .num, .biz-detail .num, .value-card .no {
  font-family: var(--tech); font-style: italic; font-weight: 700; color: var(--crimson);
}
.biz-detail .num { font-size: 42px; line-height: 1; letter-spacing: 0.02em; }
.biz-detail .num::before { content: "#"; color: var(--gold); }
.biz-card .num { font-size: 22px; }
.value-card .no { font-size: 26px; }

/* 署名マーク：和柄を斜めに切って速度感 */
.mark { transform: skewX(-18deg); }

/* ボタン：平行四辺形のレーシングボタン（文字は水平のまま） */
.btn {
  border: none; background: var(--crimson); color: var(--white);
  font-family: var(--tech); font-weight: 700; letter-spacing: 0.14em; font-size: 15px; padding: 16px 46px;
  clip-path: polygon(14px 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
  transition: background .2s ease, transform .2s ease;
}
.btn:hover { background: var(--crimson-deep); color: var(--white); transform: translateX(4px); }
.btn.btn-light { background: rgba(255,255,255,0.14); color: #fff; box-shadow: none; }
.btn.btn-light:hover { background: var(--white); color: var(--ink); }
.form-submit button { clip-path: polygon(16px 0, 100% 0, calc(100% - 16px) 100%, 0 100%); font-family: var(--tech); }

/* 斜めのセクション断面（疾走の合図） */
.page-hero { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 2.2vw)); }
.machine, .people, .mvv-detail, .partner-band, .cta-band {
  clip-path: polygon(0 2.2vw, 100% 0, 100% 100%, 0 100%);
}

/* ヒーロー：ゴールドの斜めストリーク＋登場の初速 */
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(114deg, transparent 47%, rgba(201,178,110,0.5) 49.4%, transparent 52%);
  opacity: .55;
}
.hero-content { animation: heroRise .8s cubic-bezier(.2,.7,.2,1) both; }
.hero-inner { animation: heroFade 1s ease .2s both; }
@keyframes heroRise { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
@keyframes heroFade { from { opacity: 0; } to { opacity: 1; } }

/* カード：疾走ホバー（ゴールドの斜めライン＋画像ズーム＋初速） */
.biz-card { position: relative; overflow: hidden; }
.biz-card::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--crimson), var(--gold)); transition: width .35s ease; z-index: 2;
}
.biz-card:hover::after { width: 100%; }
.biz-card:hover { transform: translateY(-4px); }
.value-card:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(27,20,22,.12); transition: transform .2s, box-shadow .2s; }

/* スクロール表示：少し速く */
.reveal { transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1); }

/* 言語切替（JP / EN） */
.gnav .lang { display: flex; align-items: center; gap: 7px; font-family: var(--tech); font-weight: 700; font-size: 13px; letter-spacing: 0.12em; }
.gnav .lang a { opacity: 0.55; padding: 0; }
.gnav .lang a:hover { opacity: 1; }
.gnav .lang a::after { display: none; }
.gnav .lang .on { opacity: 1; color: var(--crimson); }
.gnav .lang .sep { opacity: 0.3; }
.site-header.on-hero:not(.scrolled) .gnav .lang .on { color: var(--gold); }

/* 英語版ヒーロー（横組みのタグライン） */
.hero-copy-en {
  font-family: var(--serif); font-weight: 900;
  font-size: clamp(22px, 4.6vw, 40px); letter-spacing: 0.04em; line-height: 1.3;
  margin-top: 26px; text-shadow: 0 2px 24px rgba(0,0,0,0.5);
}

@media (prefers-reduced-motion: reduce) {
  .btn:hover { transform: none; }
  .hero-content, .hero-inner { animation: none; }
}
@media (max-width: 820px) {
  .page-hero { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 5vw)); }
  .machine, .people, .mvv-detail, .partner-band, .cta-band { clip-path: polygon(0 5vw, 100% 0, 100% 100%, 0 100%); }
}