:root {
  --blue: #0008aa;
  --link: #1e5a9f;
  --bg: #f8f7f6;
  --ink: #000;
  --sub: #333;
  --en: "Montserrat", sans-serif;
  --ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--sub); font-family: var(--ja); font-size: 16px; line-height: 1.8; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

/* ヘッダー */
.header { position: fixed; inset: 0 0 auto 0; z-index: 10; height: 96px; padding: 0 48px; display: flex; align-items: center; justify-content: space-between; background: linear-gradient(rgba(0,0,0,.5), rgba(102,102,102,0)); }
.header .logo img { width: 74px; filter: brightness(0) invert(1); }
.nav { display: flex; gap: 0; }
.nav a { color: #fff; text-decoration: none; font-family: var(--en); font-weight: 600; font-size: 14px; letter-spacing: .15em; padding: 0 12px; }
.nav a:hover { opacity: .7; }
.menu-btn { display: none; background: none; border: 0; color: #fff; font-size: 28px; line-height: 1; cursor: pointer; padding: 8px; }

/* ページの頭（青い帯） */
.page-head { background: var(--blue); color: #fff; min-height: 490px; padding: 200px 48px 80px; position: relative; }
.page-head::after { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(0,0,0,0), rgba(0,0,0,.5)); pointer-events: none; }
.page-head h1 { position: relative; z-index: 1; margin: 0; font-family: var(--en); font-weight: 600; font-size: clamp(40px, 7vw, 72px); line-height: 1; }
.page-head p { position: relative; z-index: 1; margin: 16px 0 0; font-size: 28px; font-weight: 700; }

.section { padding: 120px 80px; max-width: 1280px; margin: 0 auto; }
.h2 { margin: 0; font-family: var(--en); font-weight: 600; font-size: clamp(36px, 6vw, 64px); color: var(--ink); line-height: 1.1; }
.h2-sub { margin: 4px 0 48px; font-size: 28px; font-weight: 700; color: var(--ink); }

/* トップ */
.hero { height: min(100vh, 900px); min-height: 560px; background: #ddd url(img/hero.jpg) center / cover no-repeat; display: flex; align-items: center; justify-content: center; text-align: center; }
.hero h1 { margin: 0; padding: 0 24px; color: #111; font-size: clamp(24px, 4vw, 44px); font-weight: 700; letter-spacing: .08em; }
.resolve { background: var(--blue); color: #fff; text-align: center; padding: 140px 24px; }
.resolve .en { font-family: var(--en); font-weight: 600; font-size: clamp(48px, 9vw, 110px); letter-spacing: .1em; margin: 0; line-height: 1; }
.resolve h2 { font-size: clamp(22px, 3vw, 32px); margin: 24px 0 40px; }
.resolve p { margin: 0 0 24px; }
.mvv { background: linear-gradient(#111, #000); color: #fff; }
.mvv .item { max-width: 880px; margin: 0 auto; padding: 100px 24px; text-align: center; border-bottom: 1px solid rgba(255,255,255,.15); }
.mvv .item:last-child { border-bottom: 0; }
.mvv .label { font-family: var(--en); font-weight: 600; letter-spacing: .15em; font-size: 14px; color: #9aa3ff; margin: 0; }
.mvv h3 { font-size: clamp(24px, 3.4vw, 36px); margin: 12px 0 28px; }
.mvv p { margin: 0; color: #ddd; }
.services { display: grid; gap: 64px; }
.service { display: grid; grid-template-columns: minmax(0, 489px) 1fr; gap: 56px; align-items: center; }
.service img { border-radius: 4px; }
.service h3 { margin: 0 0 16px; font-size: 32px; color: var(--ink); }
.service p { margin: 0 0 24px; }
.service .more { font-family: var(--en); font-weight: 600; font-size: 14px; color: var(--link); }
.news-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid #ddd; }
.news-list li { padding: 24px 8px; border-bottom: 1px solid #ddd; display: grid; grid-template-columns: 140px 120px 1fr; gap: 16px; align-items: baseline; }
.news-list .date { font-family: var(--en); font-size: 14px; color: #666; }
.news-list .tag { font-size: 12px; color: var(--link); border: 1px solid var(--link); border-radius: 99px; text-align: center; padding: 0 8px; }
.view-more { display: inline-block; margin-top: 32px; font-family: var(--en); font-weight: 600; color: var(--link); text-decoration: none; }

/* 会社概要 */
.profile { display: grid; grid-template-columns: 120px 1fr; margin: 0; max-width: 720px; }
.profile dt, .profile dd { margin: 0; padding: 16px 0; border-bottom: 1px solid #ddd; color: var(--ink); font-weight: 700; }

/* お問い合わせ */
.contact-box { background: #fff; padding: 100px 32px; text-align: center; }
.contact-box h2 { margin: 0 0 32px; font-size: clamp(20px, 2.6vw, 28px); color: var(--ink); line-height: 1.7; }
.contact-box p { margin: 0; font-size: 14px; font-weight: 700; color: var(--ink); }

/* プライバシーポリシー */
.policy { max-width: 860px; margin: 0 auto; padding: 100px 24px 120px; color: var(--ink); }
.policy h2 { font-size: 22px; margin: 56px 0 12px; padding-left: 12px; border-left: 4px solid var(--blue); line-height: 1.5; }
.policy h3 { font-size: 18px; margin: 32px 0 8px; }
.policy ul { padding-left: 1.4em; }
.policy a { color: var(--link); word-break: break-all; }
.policy .meta { color: #555; font-size: 14px; }
.policy hr { border: 0; border-top: 1px solid #ccc; margin: 80px 0; }

/* パンくず・フッター */
.crumb { background: var(--bg); padding: 20px 135px; font-family: var(--en); font-weight: 600; font-size: 12px; color: var(--link); }
.crumb a { text-decoration: none; }
.footer { background: #000; color: #fff; padding: 72px 84px 48px; }
.footer .row { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.footer .logo img { width: 80px; filter: brightness(0) invert(1); }
.footer nav a { color: #fff; text-decoration: none; font-family: var(--en); font-weight: 600; font-size: 13px; letter-spacing: .12em; margin-left: 24px; }
.footer .copy { text-align: center; margin: 48px 0 0; font-family: var(--en); font-weight: 700; font-size: 10px; color: #aaa; }

@media (max-width: 860px) {
  .header { padding: 0 16px; height: 72px; }
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; background: rgba(0,0,0,.92); padding: 8px 0 16px; }
  .header.open .nav { display: flex; }
  .nav a { padding: 12px 24px; }
  .page-head { min-height: 360px; padding: 160px 16px 56px; }
  .page-head p { font-size: 20px; }
  .section { padding: 80px 16px; }
  .h2-sub { font-size: 20px; margin-bottom: 32px; }
  .service { grid-template-columns: 1fr; gap: 24px; }
  .service h3 { font-size: 26px; }
  .news-list li { grid-template-columns: 1fr; gap: 4px; }
  .news-list .tag { justify-self: start; }
  .profile { grid-template-columns: 96px 1fr; }
  .contact-box { padding: 64px 16px; }
  .crumb { padding: 16px; }
  .footer { padding: 56px 16px 40px; }
  .footer nav { display: flex; flex-wrap: wrap; gap: 12px 20px; }
  .footer nav a { margin: 0; }
}