/* =====================================================================
   refine.css — セコカン公式 トップの「磨き」
   土台（色・フォント・構成・文言）は変えない。安っぽく見える要因だけ消す：
   ①ガラス風（blur/白ハイライト）をやめて紙とインクに戻す
   ②角丸を大きい→小さいへ（999px/22px → 6px/10px）
   ③文字を一段大きく・行間と余白を広く
   ④写真を大きく・濃く見せる
   ⑤影の色をオレンジ残り→ワインに（旧テーマの残骸）
   ===================================================================== */

:root {
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 10px;
  --shadow-md: 0 10px 30px rgba(26,34,46,.08);
  --shadow-lg: 0 24px 60px rgba(26,34,46,.10);
}

/* ---------- ナビ：締める ---------- */
.nav { background: rgba(252,251,248,.92); backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px); }
.nav.scrolled { background: rgba(252,251,248,.96); }

/* ---------- ボタン：ピル→角の締まった四角 ---------- */
.btn { border-radius: 4px; padding: 17px 30px; font-size: 14px; letter-spacing: .06em; }
.btn-primary { box-shadow: 0 10px 24px rgba(139,35,50,.22); }
.btn-primary:hover { box-shadow: 0 14px 30px rgba(139,35,50,.28); }
.btn-ghost { background: rgba(255,255,255,.7); backdrop-filter: none; -webkit-backdrop-filter: none; border: 1px solid rgba(26,34,46,.28); box-shadow: none; }
.btn-ghost:hover { background: #fff; border-color: var(--navy-900); }
.btn-sm { padding: 12px 20px; font-size: 13px; }

/* ---------- ヒーロー：写真を大きく、言葉を強く ---------- */
.hero { min-height: min(92vh, 960px); padding: clamp(56px, 6vw, 96px) 0 clamp(88px, 8vw, 140px); }
.hero::before { display: none; }                 /* 方眼の薄い格子を消す */
.hero-video img { object-position: center 42%; filter: saturate(.92) contrast(1.06) brightness(.98); }
.hero-video::after { background: linear-gradient(100deg, rgba(252,251,248,.96) 0%, rgba(252,251,248,.86) 34%, rgba(252,251,248,.28) 58%, rgba(252,251,248,0) 82%); }
.hero-eyebrow { padding: 0; background: transparent; border: 0; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; font-size: 12px; letter-spacing: .16em; color: var(--navy-800); }
.hero-eyebrow .dot { width: 6px; height: 6px; background: var(--wine); box-shadow: none; }
.hero h1 { margin-top: 26px; font-size: clamp(38px, 5.2vw, 66px); line-height: 1.22; letter-spacing: .005em; font-weight: 700; }
.hero h1 .accent { color: var(--wine); }
.hero-sub { margin-top: 28px; font-size: clamp(15px, 1.2vw, 16px); line-height: 2.05; max-width: 46ch; color: #3E4654; }
.hero-sub strong { color: var(--navy-900); }
.hero-cta { margin-top: 38px; gap: 14px; }

/* ---------- セクション：余白と見出しのスケール ---------- */
.section { padding: clamp(88px, 11vw, 150px) 0; }
.section-head { max-width: 840px; margin-bottom: clamp(44px, 6vw, 72px); }
.eyebrow { font-size: 11px; letter-spacing: .26em; color: var(--wine); margin-bottom: 20px; }
.eyebrow::before { width: 32px; height: 1px; background: var(--wine); }
.section-title { font-size: clamp(30px, 3.6vw, 46px); line-height: 1.28; letter-spacing: .005em; }
.section-lead { margin-top: 22px; font-size: 16px; line-height: 2; max-width: 62ch; }

/* ---------- ミッション ---------- */
.mission-copy { font-size: clamp(26px, 2.8vw, 38px); line-height: 1.5; }
.mission-copy .hl { background: linear-gradient(180deg, transparent 62%, rgba(201,168,118,.32) 62%); }
.photo-glass { border-radius: 10px; }
.photo-glass img { filter: brightness(.94) contrast(1.04); }
.photo-glass::after { background: linear-gradient(180deg, rgba(15,30,60,0) 0%, rgba(10,20,50,.18) 100%); }
.mission-quote-float { border-radius: 8px; }

/* ---------- サービス：ガラスのカード→紙のカード ---------- */
.services-grid { gap: 20px; }
.service-card { background: #fff; backdrop-filter: none; -webkit-backdrop-filter: none; border: 1px solid var(--line); border-radius: 10px; box-shadow: none; padding: 42px 38px 38px; }
.service-card:hover { background: #fff; box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: rgba(139,120,90,.28); }
.service-card::after { height: 2px; }
.service-num { font-size: 11px; letter-spacing: .24em; color: var(--wine); margin-bottom: 26px; }
.service-icon { width: 48px; height: 48px; border-radius: 8px; background: transparent; border: 1px solid var(--line); color: var(--wine); margin-bottom: 26px; }
.service-card:hover .service-icon { background: var(--wine); color: #fff; }
.service-card h3 { font-size: 24px; letter-spacing: .01em; margin-bottom: 14px; }
.service-card p { font-size: 15px; line-height: 1.95; }

/* ---------- ステップ ---------- */
.step-circle { background: #fff; backdrop-filter: none; -webkit-backdrop-filter: none; border: 1px solid var(--line); box-shadow: none; font-weight: 700; }
.step h4 { font-size: 16px; }
.step p { font-size: 13px; }

/* ---------- 事例：写真を主役に ---------- */
.case { background: #fff; backdrop-filter: none; -webkit-backdrop-filter: none; border: 1px solid var(--line); border-radius: 10px; box-shadow: none; }
.case:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.case-img { aspect-ratio: 16 / 9; }
.case-img::after { background: linear-gradient(180deg, transparent 55%, rgba(8,28,58,.28) 100%); }
.case-img .industry { border-radius: 3px; backdrop-filter: none; letter-spacing: .08em; }
.case-body { padding: 30px 30px 28px; gap: 18px; }
.case-result { background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; padding: 0 0 16px; gap: 32px; }
.case-result .r { flex: 0 0 auto; }
.case-result .r small { font-size: 11px; }
.case-result .r b { font-size: 34px; font-weight: 700; letter-spacing: -.01em; }
.case-result .r b .unit { color: var(--wine); font-size: .5em; }
.case h3 { font-size: 18px; line-height: 1.6; }

/* ---------- CTA ---------- */
.cta-box { border-radius: 12px; border: 1px solid rgba(255,255,255,.06); }
.cta-box::before { display: none; }              /* 方眼を消す */
.cta-content h2 { font-size: clamp(28px, 3.6vw, 42px); line-height: 1.4; letter-spacing: .01em; }

/* ---------- 全体の文字 ---------- */
body { font-size: 16px; letter-spacing: .015em; }

/* ---------- 見出しを明朝に（鹿島寄り）：本文はNoto Sansのまま ---------- */
:root { --font-serif: "Shippori Mincho B1", "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif; }
.hero h1,
.section-title,
.mission-copy,
.cta-content h2,
.service-card h3,
.case h3,
.photo-band-inner h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: .08em;
}
.hero h1 { font-size: clamp(34px, 4.5vw, 56px); line-height: 1.5; letter-spacing: .1em; overflow-wrap: normal; word-break: normal; white-space: nowrap; }
.hero h1 .accent { color: var(--wine); }
.section-title { font-size: clamp(28px, 3.3vw, 42px); line-height: 1.5; letter-spacing: .1em; }
.mission-copy { font-size: clamp(24px, 2.6vw, 34px); line-height: 1.75; letter-spacing: .1em; font-weight: 500; }
.service-card h3 { font-size: 23px; letter-spacing: .08em; }
.case h3 { font-size: 18px; line-height: 1.75; letter-spacing: .05em; }
.cta-content h2 { font-size: clamp(26px, 3.2vw, 38px); line-height: 1.6; letter-spacing: .1em; }
.step h4 { letter-spacing: .06em; }
.hero-eyebrow, .eyebrow { letter-spacing: .28em; }
.photo-band-inner h2 { letter-spacing: .12em; line-height: 1.6; }
.section-title, .mission-copy, .cta-content h2, .photo-band-inner h2 { overflow-wrap: normal; word-break: normal; }
@media (max-width: 760px) { .hero h1 { white-space: normal; font-size: clamp(30px, 8vw, 36px); letter-spacing: .06em; } }
@media (max-width: 760px) {
  .hero-video::after { background: linear-gradient(180deg, rgba(252,251,248,.97) 0%, rgba(252,251,248,.92) 55%, rgba(252,251,248,.55) 80%, rgba(252,251,248,.2) 100%); }
  .hero-video img { object-position: 70% center; }
}

/* =====================================================================
   ヒーロー v3：鹿島型＝写真いっぱい＋一言だけ（9/3 ごーま君指示）
   ・文言は「現場を動かすのは、いつも人だ。」だけ残す（帯・説明文・ボタンは一旦非表示）
   ・文字は小さく・字間広く・白抜き。写真を主役に
   ===================================================================== */
.hero { min-height: min(88vh, 900px); padding: 0; display: flex; align-items: center; background: #1A222E !important; }
.hero-eyebrow, .hero-sub, .hero-cta { display: none !important; }
.hero-video img { object-position: center 45%; filter: brightness(.72) contrast(1.08) saturate(.85); }
.hero-video::after { background: linear-gradient(180deg, rgba(10,16,24,.10) 0%, rgba(10,16,24,.18) 55%, rgba(10,16,24,.45) 100%); }
.hero-grid { grid-template-columns: 1fr; justify-items: center; }
.hero-copy { text-align: center; }
.hero h1 { margin: 0; color: #fff; font-size: clamp(22px, 2.6vw, 36px); font-weight: 500; letter-spacing: .34em; line-height: 1.8; white-space: nowrap; text-shadow: 0 2px 24px rgba(0,0,0,.35); }
.hero h1 br { display: none; }
.hero h1 .accent { color: #fff; }
@media (max-width: 760px) {
  .hero { min-height: 82vh; }
  .hero h1 { white-space: normal; font-size: 22px; letter-spacing: .22em; line-height: 2; }
  .hero h1 br { display: inline; }
  .hero-video::after { background: linear-gradient(180deg, rgba(10,16,24,.15) 0%, rgba(10,16,24,.25) 60%, rgba(10,16,24,.5) 100%); }
  .hero-video img { object-position: 60% center; filter: brightness(.68) contrast(1.08) saturate(.85); }
}

/* =====================================================================
   ナビを写真の上に重ねる（9/3 ごーま君「上を区切らない」）
   最上部＝透明・白文字／スクロールしたら今までどおり紙色に戻る（.scrolled は scripts.js が付ける）
   ※このCSSは index.html（ヒーローがあるページ）だけに読ませる前提
   ===================================================================== */
.nav { position: fixed; top: 0; left: 0; right: 0; background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom: 1px solid rgba(255,255,255,.14); transition: background .35s ease, border-color .35s ease; }
.nav:not(.scrolled) .nav-menu a { color: #fff; }
.nav:not(.scrolled) .nav-menu a:hover { color: #fff; opacity: .75; }
.nav:not(.scrolled) .logo-img { filter: brightness(0) invert(1); }
.nav:not(.scrolled) .btn-ghost { background: transparent; border-color: rgba(255,255,255,.65); color: #fff; }
.nav:not(.scrolled) .btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.nav:not(.scrolled) .menu-toggle { color: #fff; border-color: rgba(255,255,255,.55); background: transparent; }
.nav.scrolled { background: rgba(252,251,248,.96); backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px); border-bottom-color: var(--line-soft); }
.nav.scrolled .logo-img { filter: none; }

/* ヒーローは画面いっぱい（ナビの下に写真が回り込む） */
.hero { min-height: 100vh; }
.hero-video img { object-position: center 40%; }
.hero-video::after { background: linear-gradient(180deg, rgba(10,16,24,.42) 0%, rgba(10,16,24,.12) 28%, rgba(10,16,24,.18) 60%, rgba(10,16,24,.48) 100%); }
@media (max-width: 760px) {
  .hero { min-height: 100vh; }
  .hero-video::after { background: linear-gradient(180deg, rgba(10,16,24,.45) 0%, rgba(10,16,24,.2) 30%, rgba(10,16,24,.25) 60%, rgba(10,16,24,.5) 100%); }
}

/* =====================================================================
   ヒーローアニメーション（9/3）
   動画（更地→ビル建設）を1回再生 → 最後のコマで止めて、ゆっくりズーム（Ken Burns）
   文字は既存 scripts.js の演出（建ち終わる直前に1文字ずつ）をそのまま使う
   ===================================================================== */
.hero-video video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 40%; filter: brightness(.72) contrast(1.08) saturate(.85); transform: scale(1.02); transform-origin: 50% 45%; }
.hero-video img { position: absolute; inset: 0; opacity: 0; transition: opacity .6s ease; }          /* 動画が動く間は写真を隠す */
.hero.is-held .hero-video video { animation: none; transform: scale(1.02); }   /* 完成したら止める（ズームなし） */
.hero.video-failed .hero-video video { display: none; }
.hero.video-failed .hero-video img { opacity: 1; transform: scale(1.02); transform-origin: 50% 45%; }
.hero.video-failed .hero-skyline { display: none !important; }
@keyframes heroZoom { from { transform: scale(1.02); } to { transform: scale(1.12); } }
@media (prefers-reduced-motion: reduce) { .hero-video video, .hero.video-failed .hero-video img { animation: none !important; } }
.hero.video-failed .hero-video { display: block !important; }

/* ---------- ナビのボタンは元のピル型（9/3 ごーま君「ボタンだけD」） ---------- */
.nav .btn { border-radius: 999px; font-weight: 700; letter-spacing: .02em; }
.nav .btn-sm { padding: 11px 18px; font-size: 13px; }
.nav:not(.scrolled) .btn-primary { background: var(--wine); color: #fff; box-shadow: 0 10px 24px rgba(0,0,0,.25); }
.nav:not(.scrolled) .btn-ghost { background: rgba(255,255,255,.72); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); color: #1A222E; border: 1px solid rgba(255,255,255,.6); }
.nav:not(.scrolled) .btn-ghost:hover { background: #fff; }
.nav.scrolled .btn-ghost { background: var(--glass-strong); color: var(--navy-800); border: 1px solid rgba(255,255,255,.6); box-shadow: 0 2px 8px rgba(26,34,46,.04); }

/* ---------- 9/5 ごーま君指示：ミッションのマーカー削除／04にセコカン先生 ---------- */
.mission-copy .hl { background: none; padding: 0; }
.service-card--school { position: relative; overflow: hidden; padding-right: 200px; }
.service-card--school .school-sensei { position: absolute; right: 14px; bottom: 0; width: 170px; height: auto; pointer-events: none; transition: transform .4s ease; }
.service-card--school:hover .school-sensei { transform: translateY(-4px); }
@media (max-width: 760px) {
  .service-card--school { padding-right: 32px; padding-bottom: 150px; }
  .service-card--school .school-sensei { right: 12px; bottom: 0; width: 140px; }
}
/* スマホ：サービス4枚が2列に潰れる元からの不具合（HTMLのインラインstyleがメディアクエリに勝つ）を修正 */
@media (max-width: 760px) {
  .services-grid { grid-template-columns: 1fr !important; }
  .service-card--school { padding-right: 150px; padding-bottom: 36px; min-height: 260px; }
  .service-card--school .school-sensei { width: 130px; right: 10px; bottom: 0; }
}

/* ---------- 9/5 サービス01〜03に写真（カード上部の帯） ---------- */
.service-card--photo { padding-top: 0; }
.service-card--photo .card-photo { display: block; width: calc(100% + 76px); margin: 0 -38px 30px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 10px 10px 0 0; }
.service-card--photo:hover .card-photo { filter: brightness(1.03); }
@media (max-width: 760px) { .service-card--photo .card-photo { width: calc(100% + 64px); margin: 0 -32px 24px; } }
/* 写真帯がカード幅いっぱいにならない件（グローバルの img{max-width:100%} が効いていた） */
.service-card--photo .card-photo { max-width: none; }

/* ---------- 9/5 ナビ：1200px の箱をやめて画面幅いっぱいに（ロゴ＝左端、メニュー＋ボタン＝右端に寄せる） ---------- */
.nav .nav-inner { max-width: none; padding-inline: clamp(24px, 3vw, 56px); justify-content: flex-start; }
.nav .nav-menu { margin-left: auto; margin-right: 40px; }
@media (max-width: 1024px) { .nav .nav-menu { margin-right: 20px; } }

/* ---------- 9/7 見出しの折れ／セコカン先生の背景 ---------- */
.mission-copy { white-space: nowrap; }
@media (max-width: 1024px) { .mission-copy { white-space: normal; } .mission-copy .pc-br { display: none; } }
.cta-content h2 { font-size: clamp(24px, 2.5vw, 32px); letter-spacing: .04em; line-height: 1.7; white-space: nowrap; }
@media (max-width: 900px) { .cta-content h2 { white-space: normal; } }
/* 04 資格支援スクール：カード全体を淡い金の紙色に、先生の後ろに丸い光 */
.service-card--school { background: linear-gradient(160deg, #FBF7EE 0%, #F4EBD8 100%); border-color: rgba(201,168,118,.35); }
.service-card--school::before { content: ""; position: absolute; right: -40px; bottom: -70px; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(201,168,118,.45) 0%, rgba(201,168,118,.18) 55%, rgba(201,168,118,0) 72%); pointer-events: none; }
.service-card--school:hover { background: linear-gradient(160deg, #FBF7EE 0%, #F1E6CF 100%); }
.service-card--school .school-sensei { z-index: 1; }
@media (max-width: 760px) { .service-card--school::before { width: 220px; height: 220px; right: -30px; bottom: -50px; } }

/* ---------- 9/7 ヒーロー：ビルが建った後にロゴ（S）→ フックがぷるん → 一言 ---------- */
.hero-mark { display: inline-block; margin: 0 auto 26px; opacity: 0; visibility: hidden; filter: drop-shadow(0 6px 24px rgba(0,0,0,.35)); }
.hero-mark-inner { position: relative; width: clamp(76px, 7.8vw, 108px); aspect-ratio: 350 / 414; }
.hero-mark img { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero.show-mark .hero-mark { visibility: visible; }
@media (max-width: 760px) { .hero-mark { margin-bottom: 20px; } }
/* 一言はロゴ→ぷるんの後に（scripts.js が先に opacity を触るので !important の visibility で押さえる） */
html.js .hero:not(.show-copy) .hero-copy h1 { visibility: hidden !important; opacity: 0 !important; }   /* JSが動くときだけ隠す（<head>で判定＝最初の描画から効く） */
.hero.show-copy .hero-copy h1 { visibility: visible !important; }
.hero .hero-copy h1 .h-char { display: inline-block; }
.hero-mark-band { clip-path: inset(0 0 0 0); }
.hero-mark-inner.goo { filter: url(#goo); }   /* フックを引っ張り出す間だけ、Sと液体っぽく繋がる */


/* ---------- 9/7 ヒーロー演出v4：SVG版（本物のしなり） ---------- */
.hero-mark-svg { display: block; width: 100%; height: 100%; overflow: visible; }
.hero-mark-inner.goo .mk-hook { filter: url(#goo); }

/* ---------- 9/7 ロゴ：画像（SECOKAN表記）をやめて S＋文字で組む（正しい綴り＝SEKOKAN） ---------- */
.sk-lockup { display: inline-flex; align-items: center; gap: 12px; line-height: 1; }
.sk-mark { width: 34px; height: 40px; display: block; flex: none; }
.sk-text { display: flex; flex-direction: column; gap: 4px; }
.sk-text small { font-size: 9.5px; letter-spacing: .22em; font-weight: 600; color: var(--navy-800); }
.sk-text b { font-family: "Manrope", "Noto Sans JP", sans-serif; font-size: 17px; font-weight: 800; letter-spacing: .14em; color: var(--navy-900); }
.nav:not(.scrolled) .sk-text small, .nav:not(.scrolled) .sk-text b, .footer .sk-text small, .footer .sk-text b { color: #fff; }
.footer .sk-mark { width: 40px; height: 47px; }
.footer .sk-text b { font-size: 19px; }

/* ヒーロー：Sの下の名前 */
.hero-mark-inner { margin: 0 auto; }
.hero-name { margin-top: 14px; font-family: "Manrope", "Noto Sans JP", sans-serif; font-weight: 600; font-size: clamp(12px, 1.1vw, 15px); letter-spacing: .42em; color: #fff; text-indent: .42em; }
html.js .hero-name .ch { opacity: 0; }
.hero-name .ch { display: inline-block; }
@media (max-width: 760px) { .hero-name { font-size: 12px; letter-spacing: .36em; } .sk-text small { display: none; } .sk-text b { font-size: 15px; } }

/* ---------- 9/7 ロゴを白黒（単色）に ---------- */
.hero-mark-svg .mk-body, .hero-mark-svg .mk-ball { fill: #fff; }
.hero-mark-svg .mk-band { fill: #D9D4CB; }
.hero-mark-svg .mk-hook { stroke: #fff; }
.sk-mark .mk-body, .sk-mark .mk-ball { fill: var(--navy-900); }
.sk-mark .mk-band { fill: #A9A39A; }
.sk-mark .mk-hook { stroke: var(--navy-900); }
.nav:not(.scrolled) .sk-mark .mk-body, .nav:not(.scrolled) .sk-mark .mk-ball, .footer .sk-mark .mk-body, .footer .sk-mark .mk-ball { fill: #fff; }
.nav:not(.scrolled) .sk-mark .mk-band, .footer .sk-mark .mk-band { fill: #D9D4CB; }
.nav:not(.scrolled) .sk-mark .mk-hook, .footer .sk-mark .mk-hook { stroke: #fff; }

/* ---------- 9/7 文字のにじみ対策＆フォント統一 ---------- */
.hero-copy, .hero-mark, .hero-name, .hero h1 { -webkit-font-smoothing: antialiased; text-rendering: geometricPrecision; backface-visibility: hidden; }
.hero h1 { transform: translateZ(0); }
.hero h1 .h-char { will-change: auto; }
.hero-name { will-change: auto; }
.hero-mark-svg { shape-rendering: geometricPrecision; }
/* 英字は全部 Manrope 700 に揃える（ロゴ・ヒーローの名前・SERVICE/01・帯ラベル） */
.hero-name, .sk-text b, .eyebrow, .service-num, .hero-eyebrow, .band-label { font-family: "Manrope", "Noto Sans JP", sans-serif; font-weight: 700; }
.hero-name { font-weight: 700; }
.sk-text small { font-family: "Noto Sans JP", sans-serif; }

/* ---------- 9/7 ロゴが一瞬ブレる対策：レイヤー化を招く filter/backface を外す、SVGは常にベクター描画 ---------- */
.hero-mark { filter: none !important; backface-visibility: visible; will-change: opacity; }
.hero-mark-svg { transform: none; }
.hero-mark-inner.goo .mk-hook { filter: none; }

/* 9/7 左上・フッターは元のロゴ画像に戻す（綴りだけ SEKOKAN に修正した logo.png） */
.sk-lockup { display: none; }

/* ---------- 9/7 一言を鹿島の空気に：細い明朝・字間広め・全体がふわっと ---------- */
.hero h1 { font-weight: 400; letter-spacing: .38em; font-size: clamp(20px, 2.3vw, 32px); line-height: 1.9; text-indent: .38em; text-shadow: 0 1px 18px rgba(0,0,0,.45), 0 0 2px rgba(0,0,0,.25); }
.hero h1 .h-char { display: inline; }
@media (max-width: 760px) { .hero h1 { font-size: 20px; letter-spacing: .26em; text-indent: .26em; } }

/* JSが無いときはロゴも一言も最初から見せる */
html:not(.js) .hero-mark { opacity: 1; visibility: visible; }

/* JS無効時：スクロール演出（.reveal）で透明のままにならないように（元サイトからある穴） */
html:not(.js) .reveal { opacity: 1 !important; transform: none !important; animation: none !important; }

/* 9/7 イラストの街並み（元サイトの動画失敗時の保険）はこのデザインでは使わない。失敗時は写真へ */
.hero-skyline { display: none !important; }
.hero-video { display: block !important; }

/* 初回訪問：ローディング画面が差し込まれる前の一瞬、ヒーローとナビを描かない（チラつき防止） */
html.first-visit .hero .hero-copy, html.first-visit .nav { visibility: hidden; }

/* ---------- 9/7 スマホ軽量化 ---------- */
.yt-facade { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; padding: 0; cursor: pointer; background-size: cover; background-position: center; display: block; }
.yt-facade .yt-play { position: absolute; left: 50%; top: 50%; width: 68px; height: 48px; transform: translate(-50%,-50%); background: rgba(20,20,20,.75); border-radius: 12px; }
.yt-facade .yt-play::after { content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-40%,-50%); border-style: solid; border-width: 10px 0 10px 18px; border-color: transparent transparent transparent #fff; }
.yt-facade:hover .yt-play { background: #c00; }
@media (max-width: 760px) {
  /* GPU負荷の高い効果を止める：動画/写真へのフィルタ、ガラス風ぼかし */
  .hero-video video, .hero-video img { filter: none !important; }
  .hero-video::after { background: linear-gradient(180deg, rgba(10,16,24,.55) 0%, rgba(10,16,24,.35) 30%, rgba(10,16,24,.38) 60%, rgba(10,16,24,.62) 100%) !important; }
  * { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; }
  .nav.scrolled { background: rgba(252,251,248,.98); }
  .hero-mark { filter: none !important; }
}
.case-img::after { pointer-events: none; }          /* 事例カードの薄い影がタップを奪わないように */
.case-img .yt-facade { z-index: 2; }