/* ==========================================================
   株式会社丸山 コーポレートサイト
   Design: 端正・厳格（官公庁／金融機関の閲覧を想定）
   濃紺 × 臙脂のヘアライン × 余白
   ========================================================== */

:root {
  --navy-900: #0a1a30;
  --navy-800: #102a4c;
  --navy-700: #16345c;
  --navy-600: #20436e;
  --steel:    #3c597b;
  --enji:     #8a1c2b;   /* 臙脂：差し色は極小面積のみ */
  --enji-dk:  #6f1521;
  --gold:     #9c854f;
  --ink:      #1b2733;
  --ink-soft: #51606d;
  --ink-mute: #8794a0;
  --line:     #d7dde3;
  --line-soft:#e6eaee;
  --bg:       #ffffff;
  --bg-soft:  #f5f7f9;
  --bg-tint:  #eef2f5;
  --white:    #ffffff;

  --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-en: "Montserrat", "Helvetica Neue", sans-serif;

  --header-h: 88px;
  --radius: 2px;
  --shadow-sm: 0 1px 2px rgba(16, 42, 76, 0.06);
  --shadow-md: 0 6px 22px rgba(16, 42, 76, 0.10);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.95;
  letter-spacing: 0.02em;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* ---------- layout ---------- */
.container { width: min(1140px, 92%); margin-inline: auto; }
.container--narrow { width: min(880px, 92%); margin-inline: auto; }
.section { padding: clamp(64px, 8vw, 104px) 0; }
.section--tint { background: var(--bg-soft); border-block: 1px solid var(--line-soft); }
.section--sand { background: var(--bg-soft); }

/* セクション見出し */
.sec-head { margin-bottom: clamp(36px, 5vw, 56px); }
.sec-head .en {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-en); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.34em; color: var(--enji); text-transform: uppercase;
}
.sec-head .en::before {
  content: ""; width: 28px; height: 1px; background: var(--enji);
}
.sec-head h2 {
  font-family: var(--font-serif); font-weight: 700;
  font-size: clamp(25px, 3.4vw, 35px); line-height: 1.55;
  color: var(--navy-800); margin-top: 14px; letter-spacing: 0.04em;
}
.sec-head .lead { margin-top: 18px; color: var(--ink-soft); max-width: 46em; font-size: 15.5px; }
.sec-head--center { text-align: center; }
.sec-head--center .en { justify-content: center; }
.sec-head--center .lead { margin-inline: auto; }
.sec-head--invert h2 { color: var(--white); }
.sec-head--invert .en { color: #c9a86a; }
.sec-head--invert .en::before { background: #c9a86a; }
.sec-head--invert .lead { color: #c9d3dd; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-width: 216px; padding: 15px 30px;
  font-weight: 700; letter-spacing: 0.1em; font-size: 14.5px;
  border-radius: var(--radius); transition: all 0.3s var(--ease);
  border: 1px solid transparent;
}
.btn .arrow { transition: transform 0.3s var(--ease); font-size: 0.9em; }
.btn:hover .arrow { transform: translateX(4px); }
.btn--primary { background: var(--navy-800); color: var(--white); border-color: var(--navy-800); }
.btn--primary:hover { background: var(--navy-700); }
.btn--accent { background: var(--white); color: var(--navy-800); border-color: var(--white); }
.btn--accent:hover { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.7); }
.btn--ghost { border-color: rgba(255, 255, 255, 0.55); color: var(--white); }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.08); border-color: var(--white); }
.btn--outline { border-color: var(--navy-800); color: var(--navy-800); }
.btn--outline:hover { background: var(--navy-800); color: var(--white); }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}
.site-header .inner {
  width: min(1280px, 94%); margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; color: var(--white); }
.brand svg, .brand img { height: 42px; width: auto; }
.site-header.is-solid {
  background: rgba(255, 255, 255, 0.97); backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm); border-bottom-color: var(--line);
}
/* 透過ヘッダー時は白文字ロゴ、白背景時は紺文字ロゴを表示 */
.brand .logo-dark { display: none; }
.site-header.is-solid .brand .logo-dark { display: block; }
.site-header.is-solid .brand .logo-light { display: none; }
body.nav-open .site-header { background: transparent; backdrop-filter: none; box-shadow: none; border-color: transparent; }
body.nav-open .site-header .brand .logo-dark { display: none; }
body.nav-open .site-header .brand .logo-light { display: block; }

.gnav { display: flex; align-items: center; gap: 2px; }
.gnav a {
  position: relative; padding: 10px 15px;
  font-size: 14px; font-weight: 500; color: var(--white);
  transition: color 0.35s ease;
}
.gnav a::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 6px;
  height: 1.5px; background: var(--enji);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.gnav a:hover::after, .gnav a.is-current::after { transform: scaleX(1); }
.site-header.is-solid .gnav a { color: var(--navy-800); }
.gnav .nav-cta {
  margin-left: 16px; padding: 11px 24px; border-radius: var(--radius);
  background: var(--navy-800); color: var(--white) !important; font-weight: 700;
  font-size: 13.5px; letter-spacing: 0.06em;
}
.gnav .nav-cta::after { display: none; }
.gnav .nav-cta:hover { background: var(--navy-700); }
.site-header.is-solid .gnav .nav-cta { color: var(--white) !important; }

/* ハンバーガー */
.nav-toggle { display: none; z-index: 110; width: 46px; height: 46px; position: relative; }
.nav-toggle span {
  position: absolute; left: 11px; width: 24px; height: 1.5px;
  background: var(--white); transition: all 0.3s var(--ease);
}
.site-header.is-solid .nav-toggle span { background: var(--navy-800); }
.nav-toggle span:nth-child(1) { top: 17px; }
.nav-toggle span:nth-child(2) { top: 23px; }
.nav-toggle span:nth-child(3) { top: 29px; }
body.nav-open .nav-toggle span { background: var(--white); }
body.nav-open .nav-toggle span:nth-child(1) { top: 23px; transform: rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { top: 23px; transform: rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  background: var(--navy-900); overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 110px;
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(95deg, rgba(8, 20, 38, 0.86) 0%, rgba(8, 20, 38, 0.55) 50%, rgba(8, 20, 38, 0.28) 100%);
}
.hero .container { position: relative; z-index: 2; }
.hero__copy { border-left: 2px solid var(--enji); padding-left: clamp(20px, 3vw, 38px); }
.hero__copy h1 {
  font-family: var(--font-serif); font-weight: 700; color: var(--white);
  font-size: clamp(30px, 5.2vw, 56px); line-height: 1.6; letter-spacing: 0.1em;
}
.hero__copy h1 .accent { color: #d8b877; }
.hero__copy .sub {
  margin-top: 26px; color: #c8d2dc;
  font-size: clamp(14.5px, 1.5vw, 16.5px); max-width: 38em; line-height: 2.1;
}
.hero__copy .hero-actions { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero__copy > * { opacity: 0; transform: translateY(18px); animation: heroIn 0.9s var(--ease) forwards; }
.hero__copy .sub { animation-delay: 0.18s; }
.hero__copy .hero-actions { animation-delay: 0.36s; }
@keyframes heroIn { to { opacity: 1; transform: none; } }

.hero__scroll {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  z-index: 2; color: rgba(255,255,255,0.55);
  font-family: var(--font-en); font-size: 10px; letter-spacing: 0.3em;
  display: flex; flex-direction: column; align-items: center; gap: 9px;
}
.hero__scroll::after {
  content: ""; width: 1px; height: 44px;
  background: linear-gradient(rgba(255,255,255,0.6), transparent);
}

.hero__vertical {
  position: absolute; right: 38px; top: 50%; transform: translateY(-50%); z-index: 2;
  writing-mode: vertical-rl; font-family: var(--font-en);
  font-size: 10px; letter-spacing: 0.46em; color: rgba(255, 255, 255, 0.4);
}

/* ---------- intro ---------- */
.intro .grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(36px, 6vw, 76px); align-items: center;
}
.intro h2 {
  font-family: var(--font-serif); font-weight: 700;
  font-size: clamp(23px, 3.2vw, 33px); line-height: 1.8; color: var(--navy-800);
  letter-spacing: 0.04em;
}
.intro p { margin-top: 22px; color: var(--ink-soft); }
.intro .btn { margin-top: 32px; }
.intro__art { position: relative; }
.intro__art img {
  border-radius: var(--radius); box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
  filter: contrast(1.06) saturate(0.92) brightness(0.96);
}
.intro__art::after {
  content: ""; position: absolute; left: -14px; top: -14px;
  width: 84px; height: 84px; border-left: 2px solid var(--enji); border-top: 2px solid var(--enji);
}

/* ---------- 数字 ---------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: clamp(44px, 6vw, 64px); background: var(--line); border: 1px solid var(--line); }
.stat { background: var(--white); padding: 32px 22px; text-align: center; }
.stat .label { font-size: 13px; color: var(--ink-soft); font-weight: 500; }
.stat .value {
  font-family: var(--font-en); font-weight: 600; color: var(--navy-800);
  font-size: clamp(32px, 4.2vw, 44px); line-height: 1.2; margin-top: 6px;
}
.stat .value small { font-family: var(--font-sans); font-size: 0.42em; font-weight: 700; margin-left: 4px; color: var(--enji); }

/* ---------- business ---------- */
.biz-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2.4vw, 28px);
}
.biz-card {
  display: flex; flex-direction: column;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.biz-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--steel); }
.biz-card__img { position: relative; overflow: hidden; aspect-ratio: 3 / 2; background: var(--bg-tint); }
.biz-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); filter: contrast(1.08) saturate(0.9) brightness(0.95); }
.biz-card__img::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(16,42,76,0.04) 0%, rgba(10,26,48,0.26) 100%); }
.biz-card:hover .biz-card__img img { transform: scale(1.04); }
.biz-card__body { padding: 24px 24px 28px; display: flex; flex-direction: column; flex: 1; }
.biz-card__num {
  font-family: var(--font-en); font-size: 11px; font-weight: 600;
  letter-spacing: 0.24em; color: var(--enji);
}
.biz-card__body h3 {
  font-family: var(--font-serif); font-size: 19px; font-weight: 700;
  color: var(--navy-800); margin-top: 9px; line-height: 1.5; letter-spacing: 0.03em;
}
.biz-card__body p { font-size: 14px; color: var(--ink-soft); margin-top: 12px; flex: 1; line-height: 1.85; }
.biz-card__more {
  margin-top: 18px; font-family: var(--font-en); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.16em; color: var(--navy-700);
  display: inline-flex; align-items: center; gap: 8px;
  padding-top: 16px; border-top: 1px solid var(--line-soft);
}
.biz-card__more .arrow { transition: transform 0.3s var(--ease); }
.biz-card:hover .biz-card__more { color: var(--enji); }
.biz-card:hover .biz-card__more .arrow { transform: translateX(4px); }

/* ---------- philosophy band ---------- */
.philosophy-band { position: relative; background: var(--navy-800); color: var(--white); overflow: hidden; }
.philosophy-band .grid {
  position: relative; display: grid; grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(36px, 6vw, 76px); align-items: center;
}
.philosophy-band .mission {
  font-family: var(--font-serif); font-size: clamp(19px, 2.4vw, 25px);
  line-height: 2.25; font-weight: 600; letter-spacing: 0.05em;
}
.philosophy-band .mission em { font-style: normal; color: #d8b877; }
.philosophy-band p.note { margin-top: 22px; color: #c1ccd6; font-size: 14.5px; }
.philosophy-band .btn { margin-top: 34px; }
.philosophy-band img { border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius); }

/* ---------- news ---------- */
.news-list { border-top: 1px solid var(--line); }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list a {
  display: grid; grid-template-columns: 120px 100px 1fr auto;
  gap: 20px; align-items: center; padding: 22px 6px;
  transition: background 0.25s ease;
}
.news-list a:hover { background: var(--bg-soft); }
.news-list time { font-family: var(--font-en); font-size: 13.5px; color: var(--ink-soft); letter-spacing: 0.05em; }
.news-list .cat {
  text-align: center; font-size: 11px; font-weight: 700; color: var(--navy-700);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 3px 10px;
}
.news-list .title { font-size: 15px; }
.news-list .arrow { color: var(--ink-mute); }
.news-list a:hover .arrow { color: var(--enji); }

/* ---------- CTA ---------- */
.cta-band { position: relative; background: var(--navy-900); color: var(--white); text-align: center; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, var(--navy-900), var(--navy-700));
}
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 { font-family: var(--font-serif); font-size: clamp(23px, 3.2vw, 33px); font-weight: 700; line-height: 1.7; letter-spacing: 0.05em; }
.cta-band p { margin-top: 16px; color: #c1ccd6; font-size: 15px; }
.cta-band .btn { margin-top: 32px; }

/* ---------- footer ---------- */
.site-footer { background: var(--navy-900); color: #c1ccd6; padding: 60px 0 26px; }
.site-footer .top {
  display: flex; flex-wrap: wrap; justify-content: space-between;
  gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.site-footer .brand { color: var(--white); }
.site-footer .brand svg, .site-footer .brand img { height: 46px; }
.site-footer .addr { margin-top: 18px; font-size: 13px; line-height: 2; color: #93a2b1; }
.fnav { display: flex; gap: clamp(28px, 5vw, 72px); }
.fnav .group h4 {
  font-family: var(--font-en); font-size: 11px; letter-spacing: 0.24em;
  color: #7e8fa0; margin-bottom: 14px; font-weight: 600;
}
.fnav .group li { margin-bottom: 10px; }
.fnav .group a { font-size: 13.5px; transition: color 0.25s; }
.fnav .group a:hover { color: var(--white); }
.site-footer .bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  padding-top: 22px; font-size: 12px; color: #7e8fa0; letter-spacing: 0.04em;
}

/* ページトップへ */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 48px; height: 48px; border-radius: var(--radius);
  background: var(--navy-800); color: var(--white);
  display: grid; place-items: center; box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: all 0.35s var(--ease);
}
.to-top.is-show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: var(--navy-700); }

/* ---------- 下層ページ共通 ---------- */
.page-hero {
  position: relative; background: var(--navy-800); color: var(--white);
  padding: calc(var(--header-h) + clamp(52px, 8vw, 84px)) 0 clamp(48px, 6vw, 72px);
  overflow: hidden; border-bottom: 3px solid var(--enji);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; opacity: 0.18;
  background: linear-gradient(120deg, transparent 40%, var(--navy-600) 100%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .en {
  font-family: var(--font-en); font-size: 12px; font-weight: 600;
  letter-spacing: 0.32em; color: #c9a86a; text-transform: uppercase;
}
.page-hero h1 {
  font-family: var(--font-serif); font-size: clamp(28px, 4.2vw, 42px);
  font-weight: 700; margin-top: 12px; line-height: 1.5; letter-spacing: 0.06em;
}
.breadcrumb { margin-top: 24px; font-size: 12.5px; color: #a9b6c2; display: flex; gap: 10px; flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--white); }

/* ---------- 事業詳細 ---------- */
.biz-detail { padding: clamp(56px, 8vw, 96px) 0; border-bottom: 1px solid var(--line-soft); }
.biz-detail:nth-of-type(even) { background: var(--bg-soft); }
.biz-detail .grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 68px); align-items: center;
}
.biz-detail:nth-of-type(even) .grid > .art { order: 2; }
.biz-detail .art img { border-radius: var(--radius); box-shadow: var(--shadow-md); border: 1px solid var(--line); width: 100%; filter: contrast(1.06) saturate(0.92) brightness(0.96); }
.biz-detail .num {
  font-family: var(--font-en); font-size: 12px; font-weight: 600;
  letter-spacing: 0.26em; color: var(--enji);
}
.biz-detail h2 {
  font-family: var(--font-serif); font-size: clamp(23px, 2.8vw, 31px);
  font-weight: 700; color: var(--navy-800); margin-top: 9px; line-height: 1.6; letter-spacing: 0.04em;
}
.biz-detail .desc { margin-top: 18px; color: var(--ink-soft); }
.feature-list { margin-top: 26px; display: grid; gap: 12px; }
.feature-list li {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 20px; display: flex; gap: 14px; align-items: flex-start;
}
.feature-list .ico {
  flex: none; width: 24px; height: 24px; margin-top: 3px; border-radius: var(--radius);
  background: var(--navy-800); color: var(--white);
  display: grid; place-items: center; font-size: 13px; font-weight: 700; font-family: var(--font-en);
}
.feature-list b { display: block; color: var(--navy-800); font-size: 15px; }
.feature-list span.txt { font-size: 13.5px; color: var(--ink-soft); line-height: 1.8; }

/* ---------- 理念ページ ---------- */
.mvv-block { margin-bottom: clamp(48px, 7vw, 76px); }
.mvv-block:last-child { margin-bottom: 0; }
.mvv-label { display: flex; align-items: baseline; gap: 18px; margin-bottom: 24px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.mvv-label .en {
  font-family: var(--font-en); font-size: clamp(26px, 3.4vw, 36px); font-weight: 600;
  color: var(--navy-800); letter-spacing: 0.04em;
}
.mvv-label .ja { font-size: 13.5px; font-weight: 700; color: var(--enji); letter-spacing: 0.08em; }
.mvv-state {
  background: var(--navy-800); color: var(--white); border-radius: var(--radius);
  padding: clamp(30px, 4.5vw, 52px); border-left: 3px solid var(--enji);
  font-family: var(--font-serif); font-size: clamp(17px, 2.2vw, 23px);
  line-height: 2.25; font-weight: 600; letter-spacing: 0.05em;
}
.mvv-note { margin-top: 18px; color: var(--ink-soft); font-size: 14.5px; }
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.value-card { background: var(--white); padding: 30px 28px; }
.value-card .no {
  font-family: var(--font-en); font-size: 12px; font-weight: 600;
  letter-spacing: 0.2em; color: var(--enji);
}
.value-card h3 { font-family: var(--font-serif); font-size: 19px; color: var(--navy-800); margin-top: 8px; letter-spacing: 0.04em; }
.value-card p { font-size: 14px; color: var(--ink-soft); margin-top: 10px; line-height: 1.85; }

/* ---------- 会社概要 ---------- */
.company-table { width: 100%; border-collapse: collapse; border-top: 2px solid var(--navy-800); }
.company-table th, .company-table td {
  padding: 22px 18px; border-bottom: 1px solid var(--line);
  text-align: left; vertical-align: top; font-size: 15px;
}
.company-table th { width: 210px; color: var(--navy-800); font-weight: 700; white-space: nowrap; background: var(--bg-soft); }
.company-table td { color: var(--ink-soft); }
.company-table .placeholder { color: var(--ink-mute); }

/* ---------- contact ---------- */
.contact-form { display: grid; gap: 24px; }
.form-row label { display: block; font-weight: 700; color: var(--navy-800); font-size: 14.5px; margin-bottom: 10px; }
.form-row label .req {
  display: inline-block; margin-left: 10px; padding: 1px 9px;
  background: var(--enji); color: var(--white);
  font-size: 11px; border-radius: var(--radius); vertical-align: 2px; font-weight: 700;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 14px 16px; font: inherit; color: var(--ink);
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--navy-700);
  box-shadow: 0 0 0 3px rgba(22, 52, 92, 0.12);
}
.form-row textarea { min-height: 180px; resize: vertical; }
.form-note { font-size: 13px; color: var(--ink-soft); }
.form-submit { text-align: center; padding-top: 6px; }
.form-result {
  display: none; background: var(--bg-soft); border: 1px solid var(--navy-700); border-left: 3px solid var(--navy-700);
  border-radius: var(--radius); padding: 22px; text-align: center; color: var(--navy-800); font-weight: 700;
}
.form-result.is-show { display: block; }

/* ---------- reveal animation（抑制） ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(16px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal-stagger.is-visible > * { opacity: 1; transform: none; }
.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.32s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.4s; }
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-stagger > *, .hero__copy > * { opacity: 1 !important; transform: none !important; animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .hero__vertical { display: none; }
}
@media (max-width: 860px) {
  .gnav {
    position: fixed; inset: 0; z-index: 105;
    flex-direction: column; justify-content: center; gap: 6px;
    background: rgba(10, 26, 48, 0.98);
    opacity: 0; visibility: hidden; transition: opacity 0.35s ease, visibility 0.35s;
  }
  body.nav-open .gnav { opacity: 1; visibility: visible; }
  .gnav a { color: var(--white) !important; font-size: 17px; padding: 14px 24px; }
  .gnav .nav-cta { margin-left: 0; margin-top: 16px; }
  .nav-toggle { display: block; }
  body.nav-open { overflow: hidden; }

  .intro .grid, .philosophy-band .grid, .biz-detail .grid { grid-template-columns: 1fr; }
  .biz-detail:nth-of-type(even) .grid > .art { order: 0; }
  .intro__art { max-width: 460px; margin-inline: auto; }
  .stats { grid-template-columns: 1fr; max-width: 440px; margin-inline: auto; }
  .value-grid { grid-template-columns: 1fr; }
  .news-list a { grid-template-columns: 100px 1fr auto; }
  .news-list .cat { display: none; }
  .company-table th { width: 120px; }
  .company-table th, .company-table td { padding: 16px 12px; font-size: 14px; }
  .site-footer .top { flex-direction: column; }
}
@media (max-width: 560px) {
  .biz-grid { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .hero__copy .hero-actions { flex-direction: column; }
}