/* ============================================================
   SC CONSULTING corporate 2026 — PLAID ALPHA系
   light gray canvas × vivid blue/orange blobs × geometric sans
   ============================================================ */
:root{
  --bg:#e4e6ea;
  --bg-2:#edeff2;
  --card:#f2f4f6;
  --ink:#17191d;
  --gray:#5b626c;
  --blue:#1e52f0;
  --orange:#ff3d1c;
  --line:#c9cdd4;
  --en:"Montserrat",sans-serif;
  --jp:"Zen Kaku Gothic New",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --r:32px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{font-family:var(--jp);background:var(--bg);color:var(--ink);
  font-size:15px;line-height:2.1;letter-spacing:.05em;overflow-x:hidden;
  -webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
::selection{background:var(--blue);color:#fff}
section[id]{scroll-margin-top:96px}
a:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}

/* 左端の細い縦罫線（全ページ） */
.edge{position:fixed;left:34px;top:0;bottom:0;width:1px;background:var(--line);z-index:5;pointer-events:none}

/* ---- 背景の弧線（固定・薄い） ---- */
.arcs{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.6}
.arcs svg{width:100%;height:100%}

/* ---- ヒーロー3D（three.js） ---- */
.gl-wrap{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.gl-wrap canvas{width:100%;height:100%;display:block}

/* ---- スクロール連動ブロブ（輪郭は常時モーフィング） ---- */
.blob{position:absolute;border-radius:50%;z-index:0;pointer-events:none;
  will-change:transform,border-radius;
  animation:bmorph var(--md,18s) ease-in-out infinite alternate}
.blob.b-blue{background:var(--blue)}
.blob.b-orange{background:var(--orange)}
@keyframes bmorph{
  0%  {border-radius:50% 50% 50% 50% / 50% 50% 50% 50%}
  30% {border-radius:58% 42% 55% 45% / 45% 61% 39% 55%}
  65% {border-radius:41% 59% 46% 54% / 59% 41% 60% 40%}
  100%{border-radius:53% 47% 61% 39% / 42% 56% 44% 58%}
}
@media (prefers-reduced-motion:reduce){.blob{animation:none}}
.dotf{position:absolute;border-radius:50%;z-index:1;pointer-events:none;animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-22px)}}

/* ---- 出現 ---- */
.rv{opacity:0;transform:translateY(44px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.rv.is-in{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .blob,.dotf{animation:none !important}
}

/* ---- 共通 ---- */
.wrap{max-width:1240px;margin:0 auto;padding:0 72px;position:relative;z-index:2}
section{position:relative;overflow:visible}
.label{font-size:12.5px;letter-spacing:.12em;color:var(--ink);font-weight:500;margin-bottom:56px}
/* 参考サイト型のセクション見出し: 罫線→巨大英字→和文ラベル */
.sec-title{border-top:1px solid #b9bec7;padding-top:40px;margin-bottom:64px;position:relative;z-index:2}
.sec-title .en{font-family:var(--en);font-weight:500;font-size:clamp(58px,8.6vw,148px);
  line-height:1.02;letter-spacing:.01em;color:var(--ink)}
.sec-title .jp{margin-top:14px;font-size:13px;letter-spacing:.14em;color:var(--ink)}
h2.hd{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.9;letter-spacing:.06em;margin-bottom:28px}
.body-t{font-size:14px;color:#3c4148;line-height:2.3;max-width:640px}
.ghost{font-family:var(--en);font-weight:500;font-size:clamp(40px,4.6vw,62px);color:#c9ced6;letter-spacing:.01em;line-height:1.2}

/* 黒ピルボタン */
.pill{display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:#fff;
  border-radius:999px;padding:30px 62px;font-size:14.5px;font-weight:700;letter-spacing:.1em;
  transition:transform .5s var(--ease),background .5s var(--ease);position:relative;z-index:2}
.pill:hover{transform:scale(1.05);background:var(--blue)}
.pill.s{padding:16px 36px;font-size:12.5px}

/* ---- ヘッダー ---- */
header{position:fixed;top:0;left:0;right:0;z-index:100;padding:26px 0;transition:all .5s var(--ease)}
header.scrolled{background:rgba(228,230,234,.9);backdrop-filter:blur(12px);padding:14px 0}
.hd-in{max-width:1400px;margin:0 auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between}
.logo{font-family:var(--en);font-weight:700;font-size:17px;letter-spacing:.06em}
.logo span{font-weight:500;color:var(--gray)}
.logo i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--blue);margin-left:5px;vertical-align:2px}
nav.g{display:flex;align-items:center;gap:30px}
nav.g a.t{font-size:12.5px;font-weight:500;letter-spacing:.1em;position:relative}
nav.g a.t::after{content:"";position:absolute;left:0;bottom:-4px;width:100%;height:2px;background:var(--blue);
  transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease)}
nav.g a.t:hover::after{transform:scaleX(1);transform-origin:left}

/* ---- モバイル: ハンバーガー＋フルスクリーンメニュー ---- */
.menu-btn{display:none;position:relative;z-index:130;width:52px;height:52px;border:0;border-radius:50%;
  background:var(--ink);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;
  gap:5px;flex-shrink:0;transition:background .4s var(--ease)}
.menu-btn span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;
  transition:transform .4s var(--ease),opacity .3s var(--ease)}
body.menu-open .menu-btn{background:var(--blue)}
body.menu-open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .menu-btn span:nth-child(2){opacity:0}
body.menu-open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mnav{position:fixed;inset:0;z-index:120;background:var(--ink);color:#fff;
  display:flex;flex-direction:column;justify-content:center;padding:0 34px;
  opacity:0;visibility:hidden;transition:opacity .5s var(--ease),visibility 0s .5s}
body.menu-open .mnav{opacity:1;visibility:visible;transition:opacity .5s var(--ease)}
body.menu-open{overflow:hidden}
/* メニュー展開中はヘッダー（ロゴ＋閉じるボタン）をオーバーレイの上へ */
body.menu-open header{z-index:130}
body.menu-open header.scrolled{background:transparent;backdrop-filter:none}
body.menu-open .logo{color:#fff}
body.menu-open .logo span{color:#9aa1ab}
.mnav a.mi{display:flex;align-items:baseline;gap:16px;padding:15px 0;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.12);
  opacity:0;transform:translateY(24px);transition:transform .6s var(--ease),opacity .6s var(--ease)}
body.menu-open .mnav a.mi{opacity:1;transform:none}
body.menu-open .mnav a.mi:nth-child(2){transition-delay:.06s}
body.menu-open .mnav a.mi:nth-child(3){transition-delay:.12s}
body.menu-open .mnav a.mi:nth-child(4){transition-delay:.18s}
body.menu-open .mnav a.mi:nth-child(5){transition-delay:.24s}
.mnav a.mi .en{font-family:var(--en);font-weight:600;font-size:clamp(30px,8vw,44px);letter-spacing:.01em;line-height:1.15}
.mnav a.mi .jp{font-size:11.5px;letter-spacing:.18em;color:#9aa1ab}
.mnav .mfoot{margin-top:38px;font-size:11px;color:#9aa1ab;letter-spacing:.08em;line-height:2.1}
@media (prefers-reduced-motion:reduce){
  .mnav,.mnav a.mi,.menu-btn span{transition:none}
}

/* ============ HERO ============ */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:space-between;padding:150px 0 90px}
.hero-top h1{font-family:var(--en);font-weight:600;letter-spacing:.005em;
  font-size:clamp(48px,7vw,104px);line-height:1.06;color:var(--ink)}
.hero-top .l{display:block;overflow:hidden}
.hero-top .l>span{display:block;transform:translateY(112%);animation:rise 1.1s var(--ease) forwards}
.hero-top .l:nth-child(2)>span{animation-delay:.14s}
.hero-top .sub{margin-top:26px;font-family:var(--en);font-weight:500;
  font-size:clamp(26px,3.6vw,54px);letter-spacing:.02em;line-height:1.2;
  opacity:0;animation:fade 1.2s var(--ease) .55s forwards}
.hero-top .sub em{font-style:normal;color:var(--blue);display:inline-block;
  transition:opacity .45s var(--ease),transform .45s var(--ease),color .45s var(--ease)}
.hero-top .sub em.swap{opacity:0;transform:translateY(14px)}
@keyframes rise{to{transform:none}}
@keyframes fade{to{opacity:1}}
.hero-bottom{display:flex;justify-content:flex-end}
.hero-state{text-align:right;opacity:0;animation:fade 1.4s var(--ease) .95s forwards}
.hero-state .co{font-family:var(--en);font-weight:600;font-size:clamp(26px,3.4vw,52px);line-height:1.15;letter-spacing:.02em}
.hero-state .jp-copy{margin-top:20px;font-size:clamp(16px,1.5vw,21px);font-weight:700;letter-spacing:.14em}
.hero-state p{margin-top:16px;font-size:12.5px;color:#3c4148;line-height:2.2;letter-spacing:.06em}
/* 低い画面ではヒーロータイポを一段縮めて衝突を防ぐ */
@media (max-height:780px){
  .hero{padding:118px 0 64px}
  .hero-top h1{font-size:clamp(40px,5.8vw,80px)}
  .hero-top .sub{font-size:clamp(20px,2.8vw,38px);margin-top:16px}
  .hero-state .co{font-size:clamp(22px,2.6vw,38px)}
  .hero-state p{display:none}
}
/* スクロールキュー */
.cue{position:absolute;left:40px;bottom:32px;display:flex;align-items:center;gap:12px;z-index:3;
  font-family:var(--en);font-weight:600;font-size:10.5px;letter-spacing:.35em;color:var(--gray)}
.cue::after{content:"";width:62px;height:1px;background:var(--gray);
  animation:cueline 2.6s var(--ease) infinite;transform-origin:left}
@keyframes cueline{0%{transform:scaleX(0);transform-origin:left}45%{transform:scaleX(1);transform-origin:left}
  55%{transform:scaleX(1);transform-origin:right}100%{transform:scaleX(0);transform-origin:right}}
@media (prefers-reduced-motion:reduce){.cue::after{animation:none}}

/* ============ 強み（Uniquenessカード） ============ */
.sec{padding:140px 0}
.card{background:var(--card);border-radius:var(--r);padding:70px 64px;position:relative;z-index:2}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.split .right{border-left:1px dashed #b9bec7;padding-left:64px}
.venn{display:flex;align-items:center;justify-content:center;position:relative;min-height:300px}
.vc{width:250px;height:250px;border:1.5px dashed #9aa1ab;border-radius:50%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;flex-shrink:0}
.vc+.vc{margin-left:-52px}
.vc .cap{position:absolute;bottom:-46px;font-family:var(--en);font-weight:600;font-size:19px;letter-spacing:.02em}
.vc{position:relative}
.vpill{background:#fff;border-radius:999px;padding:7px 18px;font-size:12px;font-weight:500;
  letter-spacing:.06em;box-shadow:0 1px 4px rgba(23,25,29,.06);white-space:nowrap}
.card h3{font-size:clamp(19px,1.9vw,25px);font-weight:700;line-height:1.9;letter-spacing:.06em;margin:14px 0 20px}
.card .bt{font-size:13.5px;color:#3c4148;line-height:2.3}

/* ============ 事業 ============ */
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.biz{background:var(--card);border-radius:var(--r);padding:52px 44px 56px;position:relative;z-index:2;
  transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.biz:hover{transform:translateY(-10px);box-shadow:0 26px 60px rgba(23,25,29,.1)}
.biz .no{font-family:var(--en);font-weight:600;font-size:13px;color:var(--blue);letter-spacing:.08em}
.biz .ghost{font-size:clamp(28px,2.6vw,38px);margin-top:8px}
.biz h3{font-size:19.5px;font-weight:700;letter-spacing:.08em;margin:18px 0 14px;line-height:1.8}
.biz p{font-size:13px;color:#3c4148;line-height:2.2}
.biz .tags{margin-top:22px;display:flex;flex-wrap:wrap;gap:8px}
.biz .tags span{background:#fff;border-radius:999px;padding:6px 16px;font-size:11.5px;font-weight:500;
  letter-spacing:.06em;box-shadow:0 1px 4px rgba(23,25,29,.05)}

/* ============ 数字 ============ */
.figs{padding:150px 0}
.figs .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.fig{background:var(--card);border-radius:var(--r);padding:46px 40px 42px;position:relative;z-index:2}
.fig .num{font-family:var(--en);font-weight:600;font-size:clamp(44px,4.4vw,66px);line-height:1;
  display:flex;align-items:baseline;gap:6px;color:var(--ink)}
.fig .num small{font-family:var(--jp);font-size:14px;font-weight:700;color:var(--blue);letter-spacing:.08em;white-space:nowrap}
.fig .cap{margin-top:18px;font-size:12px;color:#3c4148;letter-spacing:.08em;line-height:1.95}
.fig i{position:absolute;top:36px;right:36px;width:10px;height:10px;border-radius:50%;background:var(--blue);font-style:normal}
.fig:nth-child(2) i{background:var(--orange)}
.fig:nth-child(3) i{background:var(--ink)}
.fig:nth-child(4) i{background:var(--blue)}
.figs .note{margin-top:24px;font-size:11.5px;color:var(--gray);letter-spacing:.08em}

/* ============ プロダクト ============ */
.prods{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.prod{background:var(--card);border-radius:26px;padding:34px 26px;position:relative;z-index:2;
  transition:transform .5s var(--ease)}
.prod:hover{transform:translateY(-8px)}
.prod .mk{font-family:var(--en);font-weight:600;font-size:10.5px;letter-spacing:.14em;color:var(--blue);text-transform:uppercase}
.prod .nm{font-family:var(--en);font-weight:700;font-size:17px;margin:10px 0 8px;letter-spacing:.02em}
.prod .nm.jp{font-family:var(--jp);font-size:15.5px}
.prod p{font-size:11.5px;color:#3c4148;line-height:1.95;letter-spacing:.04em}
.prods-foot{margin-top:22px;font-size:11.5px;color:var(--gray)}

/* ============ メッセージ ============ */
.msg .card{display:grid;grid-template-columns:5fr 7fr;gap:70px;align-items:center;padding:80px 72px}
.msg .por{aspect-ratio:4/5;border-radius:24px;position:relative;overflow:hidden;background:#dcdfe4}
.msg .por img{width:100%;height:100%;object-fit:cover;display:block}
.msg blockquote{font-size:clamp(23px,2.5vw,31px);font-weight:700;line-height:2;letter-spacing:.1em}
.msg blockquote em{font-style:normal;color:var(--blue)}
.msg .bt{margin-top:26px;font-size:13.5px;color:#3c4148;line-height:2.3;max-width:520px}
.msg .sign{margin-top:34px;display:flex;align-items:baseline;gap:16px}
.msg .sign .role{font-size:11.5px;color:var(--gray);letter-spacing:.14em}
.msg .sign .name{font-size:22px;font-weight:700;letter-spacing:.22em}

/* ============ ニュース ============ */
.news .list{background:var(--card);border-radius:var(--r);padding:16px 52px;position:relative;z-index:2}
.ni{display:grid;grid-template-columns:120px 110px 1fr 30px;gap:26px;align-items:center;
  padding:30px 0;border-bottom:1px solid #dcdfe4}
.ni:last-child{border-bottom:0}
.ni time{font-family:var(--en);font-weight:600;font-size:13.5px;letter-spacing:.06em;color:var(--ink)}
.ni .cat{background:#fff;border-radius:999px;text-align:center;padding:6px 0;font-size:10.5px;
  font-weight:500;letter-spacing:.1em;box-shadow:0 1px 4px rgba(23,25,29,.05)}
.ni .tt{font-size:13.5px;line-height:1.95;letter-spacing:.05em}
.ni .ar{font-family:var(--en);color:var(--blue);font-weight:600;transition:translate .4s var(--ease)}
.ni:hover .ar{translate:6px 0}
.news .auto{margin-top:24px;display:flex;align-items:center;gap:12px;font-size:11.5px;color:var(--gray)}
.news .auto .dot{width:8px;height:8px;border-radius:50%;background:var(--blue);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(30,82,240,.35)}50%{box-shadow:0 0 0 8px rgba(30,82,240,0)}}

/* ============ 会社概要 ============ */
.co .card{padding:80px 72px}
.co-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.co-table{width:100%;border-collapse:collapse}
.co-table th,.co-table td{border-bottom:1px solid #dcdfe4;padding:20px 6px;font-size:13.5px;
  letter-spacing:.06em;text-align:left;vertical-align:top;font-weight:400;line-height:2}
.co-table th{width:120px;color:var(--gray);white-space:nowrap;font-weight:500}
.pr-list{border-top:1px solid #dcdfe4}
.pr-list div{border-bottom:1px solid #dcdfe4;padding:22px 4px;display:flex;gap:20px;align-items:baseline}
.pr-list .n{font-family:var(--en);font-weight:600;color:var(--blue);font-size:13px}
.pr-list .t{font-size:15.5px;font-weight:700;letter-spacing:.1em}
.co .side-p{font-size:13px;color:#3c4148;line-height:2.3;margin-bottom:34px}

/* ============ CTA ============ */
.cta{padding:180px 0 200px;text-align:center}
.cta .en{font-family:var(--en);font-weight:600;font-size:clamp(40px,5.4vw,84px);line-height:1.1;letter-spacing:.01em}
.cta .en em{font-style:normal;color:var(--blue)}
.cta p{margin-top:26px;font-size:14px;color:#3c4148}
.cta .pill{margin-top:52px}

/* ============ フッター ============ */
footer{background:var(--ink);color:#9aa1ab;padding:70px 0 40px;position:relative;z-index:2}
.ft{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;max-width:1240px;margin:0 auto;padding:0 72px}
.ft .logo{color:#fff}
.ft nav{display:flex;gap:26px;flex-wrap:wrap}
.ft nav a{font-size:12px;letter-spacing:.1em}
.ft nav a:hover{color:#fff}
.copy{margin-top:46px;text-align:center;font-family:var(--en);font-weight:500;font-size:11px;letter-spacing:.14em;color:#5b626d}

/* ---- レスポンシブ: タブレット（〜1000px） ---- */
@media(max-width:1000px){
  .wrap{padding:0 28px}
  .edge{left:14px}
  nav.g a.t{display:none}
  .menu-btn{display:flex}
  .hero{padding-top:120px}
  .hero-bottom{justify-content:flex-start;margin-top:60px}
  .hero-state{text-align:left}
  .split{grid-template-columns:1fr}
  .split .right{border-left:0;padding-left:0;border-top:1px dashed #b9bec7;padding-top:48px}
  .biz-grid{grid-template-columns:1fr}
  .figs .grid{grid-template-columns:1fr 1fr}
  .prods{grid-template-columns:1fr 1fr}
  .msg .card{grid-template-columns:1fr;padding:52px 36px}
  .msg .por{max-width:320px}
  .co-grid{grid-template-columns:1fr;gap:48px}
  .ni{grid-template-columns:96px 1fr 24px}
  .ni .cat{display:none}
  .card{padding:52px 36px}
  .ft{flex-direction:column;padding:0 28px}
}

/* ---- レスポンシブ: スマホ（〜640px） ---- */
@media(max-width:640px){
  .wrap{padding:0 22px}
  .hd-in{padding:0 22px}
  nav.g .pill.s{display:none}
  .edge{display:none}
  .menu-btn{width:46px;height:46px}
  .sec{padding:88px 0}
  .figs{padding:88px 0}
  .sec-title{padding-top:26px;margin-bottom:42px}
  .sec-title .en{font-size:clamp(40px,12vw,148px)}
  .ghost{font-size:clamp(30px,8vw,62px)}
  .hero{padding:126px 0 84px}
  .hero-bottom{margin-top:44px}
  .cue{left:22px;bottom:24px}
  .card,.co .card,.msg .card{padding:36px 22px}
  .figs .grid{gap:14px}
  .fig{padding:26px 20px}
  .fig .num{font-size:clamp(34px,9.6vw,66px)}
  .fig i{top:20px;right:20px}
  .prods{grid-template-columns:1fr}
  .vc{width:min(215px,46vw);height:auto;aspect-ratio:1}
  .vc+.vc{margin-left:-34px}
  .vc .cap{bottom:-40px;font-size:16px}
  .news .list{padding:6px 20px}
  .ni{grid-template-columns:76px 1fr 16px;gap:12px;padding:20px 0}
  .ni time{font-size:12px}
  .pill{padding:22px 44px;font-size:13.5px}
  .cta{padding:120px 0 140px}
  .ft{gap:28px}
  .ft nav{gap:12px 20px}
  section[id]{scroll-margin-top:80px}
}

/* ---- JOURNAL（TOP: 自社メディアカード） ---- */
.jnl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:30px}
.jc{display:block;background:var(--card);border-radius:24px;padding:18px 18px 24px;text-decoration:none;color:var(--ink);
  position:relative;z-index:2;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.jc:hover{transform:translateY(-6px);box-shadow:0 24px 48px rgba(23,25,29,.10)}
.jc .im{display:block;border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:#dfe2e7}
.jc .im img{width:100%;height:100%;object-fit:cover;display:block}
.jc .tg{display:inline-block;font-size:11px;letter-spacing:.08em;background:#fff;border-radius:99px;padding:4px 12px;margin:16px 0 10px;color:#3c4148}
.jc .tl{display:block;font-size:14.5px;font-weight:700;line-height:1.75}
.jc time{display:block;font-family:var(--en);font-size:11px;letter-spacing:.12em;color:var(--gray);margin-top:10px}
@media(max-width:900px){.jnl-grid{grid-template-columns:1fr}}