/* ============================================================
   株式会社クオリティマネジメント 総合サイト 共有スタイル
   ベース：明るい青×白 ／ 構成：malead風（信頼・差別化・比較・FAQ）
   神田ツールキット（マーカー・赤強調・手書き）も内包
============================================================ */
:root{
  --blue:#0a4ea3;
  --blue-deep:#062f63;
  --blue-bright:#1f86ff;
  --sky:#e8f1fb;
  --sky2:#f4f9ff;
  --ink:#15243a;
  --gray:#5b6b80;
  --line:#dbe6f3;
  --white:#ffffff;
  --gold:#c9a227;
  --shadow:0 10px 40px rgba(10,78,163,.10);
  --shadow-strong:0 20px 60px rgba(6,47,99,.22);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans JP",sans-serif;color:var(--ink);line-height:1.85;background:var(--white);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.en{font-family:"Montserrat",sans-serif;letter-spacing:.04em}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.narrow{max-width:860px}
.center{text-align:center}
section{padding:90px 0}
.bg-sky{background:linear-gradient(180deg,var(--sky2),var(--sky))}
.bg-navy{background:linear-gradient(160deg,var(--blue-deep),#0a3f80);color:#fff}

/* 神田ツールキット */
.hand{font-family:"Yomogi",cursive}
.marker{background:linear-gradient(transparent 58%,#ffe14d 58%);font-weight:800;padding:0 2px}
.marker-blue{background:linear-gradient(transparent 58%,#bfe0ff 58%);font-weight:800;padding:0 2px}
.red{color:#d6243a;font-weight:800}
.big-q{font-weight:900;color:var(--blue)}

/* 見出し */
.sec-label{font-family:"Montserrat",sans-serif;font-weight:700;font-size:.82rem;letter-spacing:.22em;color:var(--blue-bright);text-transform:uppercase;display:inline-block;margin-bottom:14px}
.sec-title{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:900;line-height:1.42;margin-bottom:18px}
.sec-title .hl{color:var(--blue)}
.sec-lead{color:var(--gray);font-size:1.02rem;max-width:700px;margin:0 auto}

/* ボタン */
.btn{display:inline-flex;align-items:center;gap:9px;padding:15px 30px;border-radius:34px;font-weight:700;font-size:1rem;transition:.25s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--blue-bright),var(--blue));color:#fff;box-shadow:0 12px 30px rgba(31,134,255,.36)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(31,134,255,.46)}
.btn-line{background:#06C755;color:#fff;box-shadow:0 12px 30px rgba(6,199,85,.32)}
.btn-line:hover{transform:translateY(-3px)}
.btn-ghost{background:#fff;color:var(--blue);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--blue-bright);transform:translateY(-3px)}
.btn-gold{background:linear-gradient(135deg,#e3c25a,var(--gold));color:#3a2e00;box-shadow:0 12px 30px rgba(201,162,39,.34)}
.btn-gold:hover{transform:translateY(-3px)}

/* ===== ヘッダー（多ページナビ＋ドロップダウン） ===== */
header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.04rem;color:var(--ink)}
.logo .mark{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,var(--blue-bright),var(--blue-deep));display:grid;place-items:center;color:#fff;font-family:"Montserrat";font-weight:800;box-shadow:0 6px 16px rgba(31,134,255,.4)}
.logo small{display:block;font-size:.6rem;color:var(--gray);font-weight:500;letter-spacing:.06em}
.logo-img{height:56px;width:auto;display:block;mix-blend-mode:multiply}
header .nav{padding-left:10px}
@media(max-width:900px){.logo-img{height:46px}header .nav{padding-left:8px}}
.nav-menu{display:flex;align-items:center;gap:26px}
.nav-menu>a,.has-drop>span{font-size:.9rem;font-weight:600;color:var(--ink);cursor:pointer;transition:.2s;display:inline-flex;align-items:center;gap:5px}
.nav-menu>a:hover,.has-drop>span:hover{color:var(--blue-bright)}
.has-drop{position:relative}
.drop{position:absolute;top:36px;left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-strong);padding:10px;min-width:230px;opacity:0;visibility:hidden;transition:.2s}
.has-drop:hover .drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drop a{display:block;padding:11px 14px;border-radius:9px;font-size:.86rem;font-weight:600;transition:.15s}
.drop a:hover{background:var(--sky);color:var(--blue)}
.drop a small{display:block;font-weight:400;font-size:.72rem;color:var(--gray)}
.nav-cta{background:linear-gradient(135deg,var(--blue-bright),var(--blue));color:#fff!important;padding:11px 20px;border-radius:30px;font-weight:700;font-size:.84rem;box-shadow:0 8px 20px rgba(31,134,255,.32)}
.nav-cta:hover{transform:translateY(-2px)}
.menu-btn{display:none;background:none;border:none;font-size:1.6rem;color:var(--blue);cursor:pointer}

/* ===== 下層ページのページヘッダー ===== */
.page-hero{padding:130px 0 60px;background:radial-gradient(900px 400px at 80% -10%,rgba(31,134,255,.14),transparent 60%),linear-gradient(180deg,#fbfdff,#eef5ff);border-bottom:1px solid var(--line)}
/* 2カラム ヒーローグリッド */
.page-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.page-hero-deco{display:grid;place-items:center}
.deco-box{border-radius:24px;padding:32px 26px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.14);position:relative;overflow:hidden;width:100%;max-width:300px}
.deco-box .d-ico{font-size:3.2rem;line-height:1;margin-bottom:10px}
.deco-box .d-big{font-family:'Montserrat',sans-serif;font-weight:900;font-size:2rem;line-height:1.1;margin-bottom:6px}
.deco-box .d-label{font-size:.78rem;font-weight:700;letter-spacing:.06em}
@media(max-width:860px){.page-hero-grid{grid-template-columns:1fr}.page-hero-deco{display:none}}
/* カラーテーマ */
.page-hero.theme-blue{background:radial-gradient(900px 400px at 80% -10%,rgba(31,134,255,.18),transparent 60%),linear-gradient(180deg,#f4f9ff,#e8f1fb)}
.page-hero.theme-blue .page-hero-deco .deco-box{background:linear-gradient(160deg,#0a4ea3,#1f86ff);color:#fff}
.page-hero.theme-gold{background:radial-gradient(900px 400px at 80% -10%,rgba(201,162,39,.22),transparent 60%),linear-gradient(180deg,#fffef7,#fff8e0)}
.page-hero.theme-gold .page-hero-deco .deco-box{background:linear-gradient(160deg,#7a5c0a,#c9a227);color:#fff}
.page-hero.theme-navy{background:radial-gradient(900px 400px at 80% -10%,rgba(6,47,99,.18),transparent 60%),linear-gradient(180deg,#f2f6fb,#e4ecf7)}
.page-hero.theme-navy .page-hero-deco .deco-box{background:linear-gradient(160deg,#062f63,#0a4ea3);color:#fff}
.page-hero.theme-green{background:radial-gradient(900px 400px at 80% -10%,rgba(30,160,100,.18),transparent 60%),linear-gradient(180deg,#f2fbf7,#e0f4eb)}
.page-hero.theme-green .page-hero-deco .deco-box{background:linear-gradient(160deg,#0f6b3e,#1aaf6b);color:#fff}
.page-hero.theme-warm{background:radial-gradient(900px 400px at 80% -10%,rgba(160,80,20,.14),transparent 60%),linear-gradient(180deg,#fffbf5,#fff3e0)}
.page-hero.theme-warm .page-hero-deco .deco-box{background:linear-gradient(160deg,#7a3a00,#c05a10);color:#fff}
.page-hero.theme-purple{background:radial-gradient(900px 400px at 80% -10%,rgba(100,60,180,.16),transparent 60%),linear-gradient(180deg,#f8f4ff,#ede8ff)}
.page-hero.theme-purple .page-hero-deco .deco-box{background:linear-gradient(160deg,#3d1a8e,#7c50d8);color:#fff}
.page-hero.theme-gray{background:radial-gradient(900px 400px at 80% -10%,rgba(91,107,128,.12),transparent 60%),linear-gradient(180deg,#f8f9fb,#eef1f5)}
.page-hero.theme-gray .page-hero-deco .deco-box{background:linear-gradient(160deg,#2c3a4a,#5b6b80);color:#fff}
.breadcrumb{font-size:.78rem;color:var(--gray);margin-bottom:14px}
.breadcrumb a:hover{color:var(--blue-bright)}
.page-hero h1{font-size:clamp(1.8rem,4.5vw,2.8rem);font-weight:900;line-height:1.35;margin-bottom:12px}
.page-hero p{color:var(--gray);max-width:640px}

/* ===== 差別化（私たちは○○ではありません） ===== */
.diff{background:var(--blue-deep);color:#eaf2fd;text-align:center;border-radius:26px;padding:54px 40px;max-width:960px;margin:0 auto;position:relative;overflow:hidden}
.diff::before{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(31,134,255,.4),transparent 70%)}
.diff .x{font-size:clamp(1.4rem,3.4vw,2.1rem);font-weight:900;line-height:1.5;position:relative;z-index:2}
.diff .x .strike{text-decoration:line-through;text-decoration-color:#ff5a6a;text-decoration-thickness:3px;opacity:.85}
.diff .o{color:#ffe14d}
.diff p{position:relative;z-index:2;color:#bcd3f0;margin-top:18px}

/* ===== 特徴・カード共通 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 26px;box-shadow:var(--shadow);transition:.25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-strong)}
.card .num{font-family:"Montserrat";font-weight:800;color:var(--blue-bright);font-size:.85rem;letter-spacing:.1em}
.card .c-ico{font-size:2rem;margin-bottom:12px}
.card h3{font-size:1.18rem;font-weight:800;margin:8px 0 12px}
.card p{font-size:.92rem;color:var(--gray)}

/* ===== メニュー（3本柱の商材） ===== */
.menu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:54px}
.menu-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow);transition:.3s;display:flex;flex-direction:column}
.menu-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-strong);border-color:var(--blue-bright)}
.menu-card.main{border:2px solid var(--blue-bright)}
.menu-head{padding:28px 26px 22px;background:linear-gradient(160deg,var(--blue),var(--blue-deep));color:#fff;position:relative}
.menu-head.gold{background:linear-gradient(160deg,#b8901f,#7a5e10)}
.menu-head .badge{position:absolute;top:18px;right:18px;background:#ffe14d;color:#5a4500;font-size:.68rem;font-weight:800;padding:4px 10px;border-radius:20px}
.menu-head .ico{font-size:2rem;margin-bottom:10px}
.menu-head h3{font-size:1.28rem;font-weight:900;line-height:1.4}
.menu-head .sub{font-size:.8rem;opacity:.85;margin-top:4px}
.menu-body{padding:24px 26px 28px;flex:1;display:flex;flex-direction:column}
.menu-body p{font-size:.92rem;color:var(--gray);margin-bottom:16px}
.menu-body ul{list-style:none;margin-bottom:22px}
.menu-body li{position:relative;padding-left:24px;font-size:.88rem;margin-bottom:9px}
.menu-body li::before{content:"✓";position:absolute;left:0;color:var(--blue-bright);font-weight:800}
.menu-body .more{margin-top:auto;font-weight:700;color:var(--blue);font-size:.9rem}

/* ===== 業務内容・請負相談 ===== */
.work-band{background:#fff;border:1px solid var(--line);border-radius:26px;padding:38px;box-shadow:var(--shadow);margin-top:42px;text-align:left}
.work-band .kicker{display:inline-flex;align-items:center;gap:8px;background:var(--sky2);color:var(--blue);font-size:.78rem;font-weight:800;padding:6px 13px;border-radius:30px;margin-bottom:16px}
.work-band h3{font-size:1.45rem;font-weight:900;line-height:1.45;margin-bottom:10px}
.work-band p{color:var(--gray);font-size:.95rem}
.work-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}
.work-item{border:1px solid var(--line);border-radius:14px;padding:18px;background:var(--sky2)}
.work-item b{display:block;color:var(--ink);font-size:.95rem;margin-bottom:6px}
.work-item span{display:block;color:var(--gray);font-size:.82rem;line-height:1.65}
.work-note{margin-top:18px;padding:14px 16px;border-left:4px solid var(--gold);background:#fffaf0;color:#6b5600;font-size:.86rem;border-radius:8px}

/* ===== 実績・数字バー ===== */
.stat-bar{background:var(--blue-deep);color:#cfe0f5;padding:40px 0}
.stat-bar .wrap{display:flex;justify-content:space-around;flex-wrap:wrap;gap:24px;text-align:center}
.stat b{display:block;font-family:"Montserrat";font-weight:800;font-size:2.2rem;color:#fff;line-height:1.1}
.stat span{font-size:.82rem}

/* ===== 比較表（malead風） ===== */
.compare{max-width:880px;margin:46px auto 0;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-strong);border:1px solid var(--line)}
.compare table{width:100%;border-collapse:collapse;background:#fff}
.compare th,.compare td{padding:18px 16px;text-align:center;font-size:.92rem;border-bottom:1px solid var(--line)}
.compare thead th{background:var(--ink);color:#fff;font-weight:700}
.compare thead th.us{background:var(--blue)}
.compare tbody th{text-align:left;font-weight:700;background:var(--sky2);color:var(--ink)}
.compare td.us{background:#f0f7ff;font-weight:800;color:var(--blue)}
.compare .o{color:#1aaf6b;font-weight:900}
.compare .x{color:#c0392b;font-weight:900}

/* ===== お客様の声 ===== */
.voice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:46px}
.voice{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow);text-align:left;position:relative}
.voice .stars{color:#ffb400;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.voice .v-quote{font-size:.95rem;line-height:1.85;margin-bottom:18px}
.voice .v-who{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:14px}
.voice .v-ava{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--blue-bright),var(--blue-deep));display:grid;place-items:center;color:#fff;font-weight:800;flex:0 0 auto}
.voice .v-name{font-weight:800;font-size:.9rem}
.voice .v-name span{display:block;font-weight:500;font-size:.76rem;color:var(--gray)}

/* ===== CEOメッセージ ===== */
.ceo{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:center}
.ceo-photo{border-radius:22px;background:linear-gradient(160deg,var(--blue),var(--blue-deep));aspect-ratio:4/4.6;display:grid;place-items:center;color:rgba(255,255,255,.6);box-shadow:var(--shadow-strong);text-align:center;padding:20px;position:relative;overflow:hidden}
.ceo-photo .big{font-size:2.6rem;font-weight:900;font-family:"Montserrat";color:rgba(255,255,255,.92)}
.ceo-photo .ph-note{font-size:.78rem;line-height:1.7}
.ceo h2{font-size:clamp(1.5rem,3.4vw,2.2rem);font-weight:900;line-height:1.45;margin-bottom:8px}
.ceo .role{color:var(--blue-bright);font-weight:700;margin-bottom:20px}
.ceo p{color:var(--gray);margin-bottom:14px}
.ceo .sign{font-family:"Yomogi",cursive;font-size:1.25rem;color:var(--ink);margin-top:10px}

/* ===== 書籍 ===== */
.book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:46px}
.book{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);transition:.3s}
.book:hover{transform:translateY(-6px);box-shadow:var(--shadow-strong)}
.book-cover{aspect-ratio:3/4.3;background:linear-gradient(160deg,var(--blue),var(--blue-deep));color:#fff;display:flex;flex-direction:column;justify-content:center;padding:22px;text-align:center;position:relative}
.book-cover img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.book-cover:has(img){background:#fff;padding:10px;display:grid;place-items:center}
.book-cover:has(img) img{position:static;inset:auto;width:100%;height:100%;object-fit:contain}
.book-cover:has(img)::after{display:none}
.book-cover img[src*="tqc-keiei"]{filter:saturate(.55) brightness(1.12) contrast(1.08)}
.book-cover .bt{font-weight:900;font-size:1.02rem;line-height:1.45}
.book-cover::after{content:"";position:absolute;left:8px;top:0;bottom:0;width:3px;background:rgba(255,255,255,.25)}
.book-info{padding:16px 18px}
.book-info .t{font-weight:700;font-size:.86rem;margin-bottom:8px;line-height:1.5}
.book-info a{font-size:.78rem;color:var(--blue);font-weight:700}

/* ===== 年表（創業の歩み） ===== */
.timeline{max-width:820px;margin:46px auto 0;position:relative}
.timeline::before{content:"";position:absolute;left:120px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{display:grid;grid-template-columns:120px 1fr;gap:28px;padding-bottom:34px;position:relative}
.tl-year{font-family:"Montserrat";font-weight:800;color:var(--blue);text-align:right;font-size:1.05rem}
.tl-dot{position:absolute;left:114px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--blue-bright);border:3px solid #fff;box-shadow:0 0 0 3px var(--sky);z-index:2}
.tl-c h3{font-size:1.08rem;font-weight:800;margin-bottom:6px}
.tl-c p{font-size:.92rem;color:var(--gray)}

/* ===== お知らせ・ブログ ===== */
.post-list{max-width:860px;margin:40px auto 0}
.post{display:flex;gap:22px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 24px;box-shadow:var(--shadow);margin-bottom:16px;transition:.2s}
.post:hover{transform:translateX(4px);border-color:var(--blue-bright)}
.post .date{font-family:"Montserrat";font-weight:700;color:var(--gray);font-size:.82rem;flex:0 0 96px}
.post .cat{display:inline-block;background:var(--sky);color:var(--blue);font-size:.7rem;font-weight:700;padding:3px 10px;border-radius:20px;margin-bottom:6px}
.post h3{font-size:1rem;font-weight:700}
.post p{color:var(--gray);font-size:.86rem;margin-top:4px}
.cat-filter{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.cat-filter .btn{padding:9px 20px;font-size:.86rem}
.cat-filter .btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.article-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:42px;box-shadow:var(--shadow);margin-top:22px}
.post-meta{font-family:"Montserrat",sans-serif;color:var(--blue-bright);font-size:.82rem;font-weight:800;letter-spacing:.06em;margin-bottom:12px}
.article-card h2{font-size:clamp(1.6rem,4vw,2.35rem);font-weight:900;line-height:1.45;margin-bottom:24px}
.article-body p{color:var(--gray);font-size:1rem;line-height:2;margin-bottom:18px}
.article-source{border-top:1px solid var(--line);margin-top:28px;padding-top:18px}
.article-source a{color:var(--blue);font-weight:800}
.update-guide{margin:34px auto 0;max-width:860px;background:var(--sky2);border:1px solid var(--line);border-radius:16px;padding:18px 20px;color:var(--gray);font-size:.88rem}
.update-guide b{display:block;color:var(--ink);font-size:.95rem;margin-bottom:4px}
.update-guide code{background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:var(--blue)}
.more{display:inline-block;color:var(--blue);font-weight:800;margin-bottom:14px}

/* ===== FAQ ===== */
.faq{max-width:820px;margin:40px auto 0}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow)}
.faq-q{padding:20px 24px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:.98rem}
.faq-q::after{content:"+";font-size:1.4rem;color:var(--blue-bright);flex:0 0 auto;transition:.2s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--gray);font-size:.92rem}
.faq-item.open .faq-a{max-height:300px}
.faq-a div{padding:0 24px 22px}

/* ===== 最終CTA ===== */
.cta{background:radial-gradient(800px 400px at 80% 0%,rgba(31,134,255,.3),transparent 60%),linear-gradient(135deg,var(--blue-deep),var(--blue));color:#fff;text-align:center;border-radius:30px;padding:60px 40px;max-width:960px;margin:0 auto;box-shadow:var(--shadow-strong)}
.cta h2{font-size:clamp(1.6rem,4vw,2.5rem);font-weight:900;line-height:1.4;margin-bottom:16px}
.cta p{color:#d4e4f9;margin-bottom:30px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4)}
.cta .btn-ghost:hover{background:rgba(255,255,255,.22)}

/* ===== フッター ===== */
footer{background:var(--blue-deep);color:#aac4e6;padding:56px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;margin-bottom:38px}
.foot-logo{color:#fff;font-weight:900;font-size:1.15rem;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.foot-grid p{font-size:.85rem;line-height:1.9}
.foot-col h4{color:#fff;font-size:.88rem;margin-bottom:14px;font-weight:700}
.foot-col a{display:block;font-size:.84rem;padding:5px 0;transition:.2s}
.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;text-align:center;font-size:.76rem;opacity:.7}

/* フロートLINE */
.float-line{position:fixed;right:22px;bottom:22px;z-index:900;background:#06C755;color:#fff;padding:14px 22px;border-radius:34px;font-weight:800;font-size:.9rem;display:flex;align-items:center;gap:9px;box-shadow:0 14px 34px rgba(6,199,85,.45);transition:.25s}
.float-line:hover{transform:translateY(-3px) scale(1.03)}

/* アニメーション */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.3,1)}
.reveal.on{opacity:1;transform:none}

/* レスポンシブ */
@media(max-width:900px){
  .grid-3,.grid-2,.menu-grid,.voice-grid,.book-grid,.ceo,.work-list{grid-template-columns:1fr}
  .book-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .timeline::before{left:70px}.tl-item{grid-template-columns:70px 1fr;gap:18px}.tl-dot{left:64px}.tl-year{font-size:.9rem}
  .nav-menu{position:fixed;top:70px;left:0;width:100%;background:#fff;flex-direction:column;gap:0;padding:8px 0;box-shadow:var(--shadow);transform:translateY(-140%);transition:.3s;border-bottom:1px solid var(--line);align-items:stretch}
  .nav-menu.open{transform:none}
  .nav-menu>a,.has-drop>span{width:100%;padding:14px 24px;border-bottom:1px solid var(--line)}
  .has-drop .drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:0 0 8px 16px;min-width:auto}
  .nav-cta{margin:12px 24px;text-align:center;justify-content:center}
  .menu-btn{display:block}
  section{padding:64px 0}
  .diff,.cta{padding:40px 24px;border-radius:22px}
  .work-band{padding:28px 20px}
}