:root{
    --ink:    #0A1628;   /* メイン */
    --accent: #006E8F;   /* アクセント */
    --white:  #FFFFFF;
    --tint:   rgba(10,22,40,.045);  /* メイン色の極薄（背景の帯） */
    --line:   rgba(10,22,40,.14);
  }
  *,*::before,*::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { overflow-x: hidden; }
  body {
    margin: 0;
    font-family: "Sen", YuGothic, "Yu Gothic Medium", "游ゴシック Medium", "Hiragino Sans", "Noto Sans JP", sans-serif;
    color: var(--ink);
    background: var(--white);
    font-size: 16px;
    line-height: 2;
    letter-spacing: .01em;
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; text-decoration: none; }
  .en { font-family: "Sen", sans-serif; }

  /* ===== Header（実測: 高さ117px・透過オーバーレイ・ロゴ x49 y47） ===== */
  header {
    position: absolute; top: 0; left: 0; right: 0; z-index: 20;
    height: 117px;
  }
  .logo { position: absolute; left: 49px; top: 40px; line-height: 1.15; }
  .logo .mark { font-family: "Sen", sans-serif; font-size: 26px; font-weight: 400; letter-spacing: .16em; }
  .logo .co { display: block; font-size: 9px; letter-spacing: .18em; opacity: .62; margin-top: 6px; }

  /* ナビ＝実測どおり2段（和文9px / 英字18px Sen）・padding 0 8px */
  nav { position: absolute; left: 50%; top: 39px; transform: translateX(-56%); }
  nav ul { display: flex; list-style: none; margin: 0; padding: 0; gap: 26px; }
  nav a { display: block; padding: 0 8px; text-align: center; line-height: 1; }
  nav .ja { display: block; font-size: 9px; letter-spacing: .16em; opacity: .72; }
  nav .en { display: block; font-size: 18px; letter-spacing: .05em; margin-top: 9px; text-transform: uppercase; }
  nav a:hover .en { color: var(--accent); }

  /* 右：連絡先（本家のTELブロック位置） */
  .h-contact { position: absolute; right: 246px; top: 34px; text-align: right; line-height: 1.4; }
  .h-contact .lbl { font-family: "Sen", sans-serif; font-size: 10px; letter-spacing: .22em; color: var(--accent); }
  .h-contact .val { display: block; font-family: "Sen", sans-serif; font-size: 19px; letter-spacing: .01em; margin-top: 2px; }
  .h-contact .sub { display: block; font-size: 11px; letter-spacing: .1em; opacity: .6; margin-top: 3px; }

  /* 右上の丸バッジ（実測: 124px・#2c2c2c → ブランド色に） */
  .badge {
    position: absolute; right: 98px; top: 7px;
    width: 124px; height: 124px; border-radius: 50%;
    background: var(--ink); color: #fff;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 2px; z-index: 21;
    transition: background .35s ease;
  }
  .badge:hover { background: var(--accent); }
  .badge svg { width: 19px; height: 19px; stroke: #fff; fill: none; stroke-width: 1.2; }
  .badge .ja { font-size: 12px; letter-spacing: .06em; }
  .badge .en { font-size: 14px; letter-spacing: .1em; }

  /* ===== Hero（実測: padding 56px 31px 0 / 帯 1409×584 / パネル3枚） ===== */
  .hero { position: relative; padding: 173px 31px 0; }
  .hero-band { height: 584px; background: var(--tint); position: relative; }

  /* 3枚パネル：実測 left403/center403/right302・mt 108/204/0・h605・space-between */
  .panels {
    position: absolute; top: -65px; left: 20%; right: -31px;
    display: flex; justify-content: space-between; align-items: flex-start;
    pointer-events: none;
  }
  .panels .p { position: relative; height: 605px; overflow: hidden; background: var(--white); }
  .panels .p1 { width: 34.3%; margin-top: 108px; }
  .panels .p2 { width: 34.3%; margin-top: 204px; }
  .panels .p3 { width: 25.7%; margin-top: 0; }
  .panels img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .panels .p1 img { object-position: 55% center; }
  .panels .p2 img { object-position: 50% center; }
  .panels .p3 img { object-position: 50% center; }
  /* 幕開け */
  .panels .p { clip-path: inset(0 0 100% 0); transition: clip-path 1.15s cubic-bezier(.55,.08,.25,1); }
  .panels .p1 { transition-delay: .25s; }
  .panels .p2 { transition-delay: .45s; }
  .panels .p3 { transition-delay: .05s; }
  body.is-loaded .panels .p { clip-path: inset(0 0 0 0); }

  /* キャッチ（本家 hero_catch と同位置：下寄り右） */
  .catch {
    position: absolute; left: 54%; bottom: 128px; max-width: 560px; z-index: 5;
    opacity: 0; transform: translateY(16px);
    transition: opacity 1s ease 1.05s, transform 1s ease 1.05s;
  }
  body.is-loaded .catch { opacity: 1; transform: none; }
  .catch h1 { font-size: 27px; font-weight: 400; letter-spacing: .14em; line-height: 1.85; margin: 0 0 20px; }
  .catch p { font-size: 14px; letter-spacing: .07em; line-height: 1.95; margin: 0; opacity: .82; }


  /* 左端の縦書きコピーライト（実測: x43 幅32） */
  .vcopy {
    position: absolute; left: 43px; top: 300px; z-index: 5;
    writing-mode: vertical-rl;
    font-family: "Sen", sans-serif; font-size: 11px; letter-spacing: .16em; opacity: .5;
  }

  /* スクロール誘導 */
  .scroll { position: absolute; left: 40px; bottom: -110px; z-index: 6; text-align: center; }
  .scroll .t { writing-mode: vertical-rl; font-family: "Sen", sans-serif; font-size: 11px; letter-spacing: .24em; opacity: .6; }
  .scroll .bar { width: 1px; height: 64px; background: var(--line); margin: 10px auto 0; position: relative; overflow: hidden; }
  .scroll .bar::after { content:""; position:absolute; left:0; top:-64px; width:1px; height:64px; background: var(--accent); animation: run 2.2s ease-in-out infinite; }
  @keyframes run { 0%{ transform: translateY(0);} 60%,100%{ transform: translateY(128px);} }

  /* ===== 下層セクション共通（実測: 見出し96px・weight400・字間-2.4px） ===== */
  .sec { padding: 150px 31px; }
  .sec-in { max-width: 1200px; margin: 0 auto; }
  .sec-ttl {
    font-family: "Sen", sans-serif;
    font-size: clamp(46px, 6.4vw, 96px);
    font-weight: 400; letter-spacing: -.025em; line-height: 1.2;
    color: var(--ink); margin: 0;
  }
  .sec-ja { display: block; font-size: 12px; letter-spacing: .28em; color: var(--accent); margin-top: 20px; }
  .dots { display: flex; gap: 7px; margin: 26px 0 34px; }
  .dots i { width: 5px; height: 5px; border-radius: 50%; background: var(--ink); opacity: .55; }
  .lead { font-size: 16px; line-height: 2; letter-spacing: .01em; margin: 0 0 22px; }
  .lead:last-child { margin-bottom: 0; }
  .fx { opacity: 0; transform: translateY(26px); transition: opacity .95s ease, transform .95s ease; }
  .fx.in { opacity: 1; transform: none; }

  /* CONCEPT：左に写真2枚（ずらし）／右にテキスト */
  .concept-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
  .concept-photos { position: relative; padding-bottom: 90px; }
  .concept-photos .big { width: 84%; aspect-ratio: 3/4; overflow: hidden; }
  .concept-photos .small { position: absolute; right: 0; bottom: 0; width: 46%; aspect-ratio: 4/5; overflow: hidden; border: 10px solid #fff; }
  .concept-photos img { width: 100%; height: 100%; object-fit: cover; display: block; }

  /* SERVICE：3件を横並び（番号＋線画＋説明） */
  .svc-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 76px; }
  .svc-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 56px; }
  .svc-item .no { font-family: "Sen", sans-serif; font-size: 13px; letter-spacing: .22em; color: var(--accent); }
  .svc-item .ph { margin: 18px 0 26px; aspect-ratio: 4/3; overflow: hidden; background: var(--tint); }
  .svc-item .ph img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 1.1s cubic-bezier(.2,.6,.2,1); }
  .svc-item:hover .ph img { transform: scale(1.04); }
  .svc-item h3 { font-size: 19px; font-weight: 400; letter-spacing: .1em; margin: 0 0 14px; }
  .svc-item p { font-size: 14px; line-height: 2; letter-spacing: .02em; margin: 0; opacity: .85; }

  /* WORKS：3件を薄いグレー帯に */
  .works { background: var(--tint); }
  .works-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; margin-top: 60px; }
  .work { background: #fff; padding: 44px 36px 40px; }
  .work .cat { font-family: "Sen", sans-serif; font-size: 11px; letter-spacing: .2em; color: var(--accent); }
  .work h3 { font-size: 17px; font-weight: 400; letter-spacing: .08em; line-height: 1.8; margin: 16px 0 14px; }
  .work p { font-size: 13.5px; line-height: 2; letter-spacing: .02em; margin: 0; opacity: .8; }
  .note-s { font-size: 12px; opacity: .55; margin: 40px 0 0; letter-spacing: .04em; }

  /* COMPANY：右に写真・左にテキスト＋表 */
  .company-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
  .company-photo { aspect-ratio: 4/5; overflow: hidden; }
  .company-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .spec { width: 100%; border-collapse: collapse; margin-top: 34px; }
  .spec th, .spec td { text-align: left; padding: 15px 4px; border-bottom: 1px solid var(--line); font-size: 14px; font-weight: 400; letter-spacing: .04em; vertical-align: top; }
  .spec th { width: 116px; color: var(--accent); font-family: "Sen", sans-serif; font-size: 11px; letter-spacing: .18em; padding-top: 19px; }

  /* CONTACT帯 */
  .contact { background: var(--ink); color: #fff; text-align: center; padding: 130px 31px; }
  .contact .sec-ttl { color: #fff; }
  .contact .sec-ja { color: #7fc4d8; }
  .contact .dots { justify-content: center; }
  .contact .dots i { background: #fff; }
  .contact p { font-size: 15px; line-height: 2.1; letter-spacing: .06em; opacity: .85; margin: 0 0 46px; }
  .btn-line {
    display: inline-flex; align-items: center; gap: 18px;
    font-family: "Sen", sans-serif; font-size: 15px; letter-spacing: .18em;
    color: #fff; border-bottom: 1px solid rgba(255,255,255,.5); padding-bottom: 12px;
    transition: gap .35s ease, border-color .35s ease;
  }
  .btn-line:hover { gap: 28px; border-color: #fff; }
  .contact .mail { display: block; font-family: "Sen", sans-serif; font-size: 15px; letter-spacing: .06em; opacity: .7; margin-top: 40px; }

  /* Footer */
  footer { padding: 62px 31px 40px; }
  .f-in { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; flex-wrap: wrap; }
  .f-logo .mark { font-family: "Sen", sans-serif; font-size: 21px; letter-spacing: .16em; }
  .f-logo .co { display: block; font-size: 11px; opacity: .6; margin-top: 8px; letter-spacing: .1em; }
  .f-nav { display: flex; gap: 34px; flex-wrap: wrap; }
  .f-nav a { font-family: "Sen", sans-serif; font-size: 13px; letter-spacing: .14em; opacity: .8; }
  .f-nav a:hover { color: var(--accent); opacity: 1; }
  .f-copy { max-width: 1200px; margin: 46px auto 0; font-family: "Sen", sans-serif; font-size: 11px; letter-spacing: .1em; opacity: .45; }

  @media (max-width: 1100px) {
    nav, .h-contact { display: none; }
    .badge { right: 24px; }
    .hero { padding: 150px 20px 0; }
    .hero-band { height: 62vw; min-height: 380px; }
    .panels { left: 8%; right: -20px; top: -40px; }
    .panels .p { height: 60vw; }
    .catch { left: 20px; right: 20px; bottom: auto; top: 62vw; max-width: none; }
    .catch h1 { font-size: 21px; }
    .vcopy, .scroll { display: none; }
    .sec { padding: 90px 20px; }
    .concept-grid, .company-grid { grid-template-columns: 1fr; gap: 44px; }
    .svc-list, .works-list { grid-template-columns: 1fr; gap: 44px; }
    .svc-head { flex-direction: column; align-items: flex-start; gap: 20px; margin-bottom: 44px; }
  }


  /* ===== サブページ共通 ===== */
  .phero { position: relative; padding: 210px 31px 100px; }
  .phero-in { max-width: 1200px; margin: 0 auto; }
  .phero .sec-ttl { line-height: 1.05; }
  .phero .lead { margin-top: 34px; max-width: 640px; }
  .crumb { max-width: 1200px; margin: 0 auto; padding: 0 31px 60px; font-family: "Sen", sans-serif; font-size: 11px; letter-spacing: .14em; opacity: .55; }
  .crumb a:hover { color: var(--accent); }

  /* 詳細ブロック（写真＋テキストを交互に） */
  .row { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; margin-bottom: 130px; }
  .row:last-child { margin-bottom: 0; }
  .row.rev .ph { order: 2; }
  .row .ph { aspect-ratio: 4/3; overflow: hidden; }
  .row .ph img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .row .no { font-family: "Sen", sans-serif; font-size: 12px; letter-spacing: .22em; color: var(--accent); }
  .row h2 { font-size: 26px; font-weight: 400; letter-spacing: .1em; line-height: 1.7; margin: 16px 0 22px; }
  .row ul { list-style: none; padding: 0; margin: 26px 0 0; }
  .row li { font-size: 14px; letter-spacing: .03em; padding: 13px 0 13px 20px; border-bottom: 1px solid var(--line); position: relative; }
  .row li::before { content: ""; position: absolute; left: 0; top: 24px; width: 7px; height: 1px; background: var(--accent); }

  /* 進め方 */
  .flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; margin-top: 66px; }
  .flow .st .n { font-family: "Sen", sans-serif; font-size: 12px; letter-spacing: .2em; color: var(--accent); }
  .flow .st h3 { font-size: 17px; font-weight: 400; letter-spacing: .08em; margin: 14px 0 12px; padding-top: 18px; border-top: 1px solid var(--line); }
  .flow .st p { font-size: 13.5px; line-height: 1.95; margin: 0; opacity: .8; }

  /* 本文ページ（規約系） */
  .prose { max-width: 820px; }
  .prose h2 { font-size: 18px; font-weight: 400; letter-spacing: .08em; margin: 54px 0 16px; }
  .prose h2:first-child { margin-top: 0; }
  .prose p, .prose li { font-size: 14.5px; line-height: 2.1; letter-spacing: .02em; }
  .prose ul { padding-left: 20px; }
  .prose a { color: var(--accent); }
  .prose table { width: 100%; border-collapse: collapse; }
  .prose th, .prose td { text-align: left; padding: 17px 4px; border-bottom: 1px solid var(--line); font-size: 14.5px; font-weight: 400; vertical-align: top; letter-spacing: .02em; }
  .prose th { width: 210px; opacity: .7; }
  .updated { font-family: "Sen", sans-serif; font-size: 11px; letter-spacing: .12em; opacity: .5; margin: 0 0 44px; }

  /* フォーム */
  .form { max-width: 720px; }
  .f-row { margin-bottom: 30px; }
  .f-row label { display: block; font-family: "Sen", sans-serif; font-size: 11px; letter-spacing: .18em; color: var(--accent); margin-bottom: 10px; }
  .f-row .req { font-size: 10px; background: var(--accent); color: #fff; padding: 2px 7px; margin-left: 8px; letter-spacing: .08em; }
  .f-row input, .f-row textarea {
    width: 100%; font-family: inherit; font-size: 15.5px; color: var(--ink);
    background: var(--tint); border: 1px solid transparent; padding: 15px 16px; letter-spacing: .02em;
    transition: border-color .3s ease, background .3s ease;
  }
  .f-row input:focus, .f-row textarea:focus { outline: none; border-color: var(--accent); background: #fff; }
  .f-row textarea { min-height: 180px; resize: vertical; line-height: 1.9; }
  .f-note { font-size: 12.5px; opacity: .6; margin: 0 0 36px; }
  .f-btn {
    font-family: "Sen", sans-serif; font-size: 14px; letter-spacing: .2em;
    background: var(--ink); color: #fff; border: 0; padding: 21px 66px; cursor: pointer;
    transition: background .35s ease;
  }
  .f-btn:hover { background: var(--accent); }

  @media (max-width: 1100px) {
    .phero { padding: 150px 20px 60px; }
    .crumb { padding: 0 20px 40px; }
    .row { grid-template-columns: 1fr; gap: 34px; margin-bottom: 80px; }
    .row.rev .ph { order: 0; }
    .flow { grid-template-columns: 1fr 1fr; gap: 30px; }
    .prose th { width: 120px; }
  }