/* ============================================================
   Actrelation Corporate Site — Design System
   白 / 黒 / ネイビー基調 + ブルー & ゴールドアクセント
   モバイル最優先 / 余白広め / 大企業コーポレート
   ============================================================ */

:root{
  /* palette */
  --navy:#0a1a3a;          /* メインネイビー */
  --navy-2:#0e2350;
  --navy-deep:#050d22;
  --ink:#0b1220;           /* 黒に近いテキスト */
  --white:#ffffff;
  --paper:#f6f8fc;         /* オフホワイト背景 */
  --paper-2:#eef2f9;
  --line:rgba(10,26,58,.12);
  --line-light:rgba(255,255,255,.14);
  --muted:#5a6884;
  --muted-2:#8b97ad;
  /* accents */
  --blue:#1f6dff;          /* アクセントブルー */
  --blue-2:#3f8bff;
  --blue-deep:#0b46c9;
  --gold:#c9a24f;          /* アクセントゴールド */
  --gold-2:#e6cd8e;
  --grad-blue:linear-gradient(120deg,#1f6dff 0%,#0b46c9 100%);
  --grad-navy:linear-gradient(160deg,#0e2350 0%,#050d22 100%);
  --grad-gold:linear-gradient(120deg,#e6cd8e 0%,#c9a24f 55%,#9c7a32 100%);
  /* type — エレガント／ゴージャス（明朝×セリフ基調） */
  --sans:"Noto Serif JP","Shippori Mincho","Hiragino Mincho ProN","Yu Mincho",serif; /* 本文：上品な明朝 */
  --en:"Playfair Display","Cormorant Garamond","Cinzel",serif;                        /* 数字・英字見出し */
  --label:"Cinzel","Playfair Display",serif;                                          /* 小さな英ラベル */
  --serif:"Playfair Display","Shippori Mincho","Noto Serif JP",serif;                 /* 見出し */
  --jp:"Shippori Mincho","Noto Serif JP",serif;                                       /* 和文見出し */
  /* layout */
  --maxw:1200px;
  --gutter:clamp(20px,5vw,64px);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 24px 60px rgba(10,26,58,.10);
  --shadow-lg:0 40px 100px rgba(10,26,58,.18);
  --ease:cubic-bezier(.16,.84,.22,1);
  --nav-h:72px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);color:var(--ink);background:var(--white);
  line-height:1.9;letter-spacing:.02em;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:rgba(31,109,255,.2);color:var(--navy)}

/* ---------- utilities ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);width:100%}
.section{padding:clamp(88px,12.5vw,176px) 0;position:relative}
.section.tight{padding:clamp(64px,9vw,112px) 0}
.bg-paper{background:var(--paper)}
.bg-navy{background:var(--grad-navy);color:#eaf0ff}
.bg-navy .muted,.bg-navy .lead{color:#b9c6e6}
.center{text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--label);font-weight:600;font-size:12px;letter-spacing:.34em;
  text-transform:uppercase;color:var(--blue);margin-bottom:22px;
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--grad-blue);border-radius:2px}
.bg-navy .eyebrow{color:var(--gold-2)}
.bg-navy .eyebrow::before{background:var(--grad-gold)}
.section-title{
  font-family:var(--jp);font-weight:700;
  font-size:clamp(27px,4.6vw,48px);line-height:1.42;letter-spacing:.03em;
  color:var(--navy);margin-bottom:8px;
}
.bg-navy .section-title{color:#fff}
.section-title .en{
  display:block;font-family:var(--label);font-weight:600;font-style:normal;
  font-size:clamp(11px,1.4vw,13px);letter-spacing:.32em;text-transform:uppercase;
  color:var(--muted-2);margin-top:16px;
}
.bg-navy .section-title .en{color:rgba(255,255,255,.5)}
.lead{font-size:clamp(15px,1.7vw,17px);color:var(--muted);max-width:680px;line-height:2.05}
.center .lead{margin-left:auto;margin-right:auto}
.muted{color:var(--muted)}
.accent-blue{color:var(--blue)}
.accent-gold{color:var(--gold)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:12px;
  font-weight:700;font-size:15px;letter-spacing:.04em;
  padding:16px 32px;border-radius:999px;cursor:pointer;border:none;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s;
  position:relative;overflow:hidden;
}
.btn .arr{transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translateX(5px)}
.btn-primary{background:var(--grad-blue);color:#fff;box-shadow:0 14px 34px rgba(31,109,255,.32)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 22px 48px rgba(31,109,255,.42)}
.btn-gold{background:var(--grad-gold);color:#2a2008;box-shadow:0 14px 34px rgba(201,162,79,.32)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 22px 48px rgba(201,162,79,.42)}
.btn-ghost{background:transparent;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{background:var(--navy);color:#fff;border-color:var(--navy);transform:translateY(-3px)}
.bg-navy .btn-ghost{color:#fff;border-color:rgba(255,255,255,.3)}
.bg-navy .btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-lg{padding:19px 40px;font-size:16px}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(255,255,255,0);backdrop-filter:blur(0);
  transition:background .4s,box-shadow .4s,backdrop-filter .4s;
}
.nav.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(16px);box-shadow:0 1px 0 var(--line),0 10px 30px rgba(10,26,58,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.04em;color:#fff;transition:color .4s}
.nav.scrolled .brand{color:var(--navy)}
.brand .logo-mark{
  width:auto;height:40px;display:block;object-fit:contain;flex:none;
  filter:drop-shadow(0 4px 10px rgba(0,0,0,.25));
}
.footer .brand .logo-mark{height:42px}
.brand .brand-name{font-family:var(--en);font-size:19px}
.brand .brand-sub{display:block;font-size:9px;letter-spacing:.22em;color:var(--muted-2);font-weight:600}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:13.5px;font-weight:600;color:rgba(255,255,255,.92);letter-spacing:.04em;position:relative;transition:color .3s}
.nav.scrolled .nav-links a{color:var(--ink)}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-7px;height:2px;background:var(--grad-blue);transition:right .35s var(--ease)}
.nav-links a:hover::after{right:0}
.nav-cta{padding:11px 24px;font-size:13.5px}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:30px;height:24px;justify-content:center;cursor:pointer;background:none;border:none}
.nav-toggle span{display:block;height:2px;width:100%;background:#fff;border-radius:2px;transition:.35s var(--ease)}
.nav.scrolled .nav-toggle span{background:var(--navy)}

/* mobile drawer */
.mobile-menu{
  position:fixed;inset:0;z-index:999;background:var(--grad-navy);
  display:flex;flex-direction:column;justify-content:center;gap:6px;
  padding:calc(var(--nav-h) + 16px) var(--gutter) 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .5s var(--ease);
}
@media(max-height:680px){.mobile-menu{justify-content:flex-start}}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu a{
  color:#eaf0ff;font-size:21px;font-weight:700;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;align-items:center;
}
.mobile-menu a .en{font-family:var(--en);font-size:11px;letter-spacing:.2em;color:rgba(255,255,255,.4)}
.mobile-menu .mm-cta{margin-top:28px;border:none;justify-content:center}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:calc(var(--nav-h) + 40px) 0 80px;overflow:hidden;color:#fff;isolation:isolate;
}
.hero-bg{position:absolute;inset:0;z-index:-3;
  background:var(--grad-navy);
  background-image:linear-gradient(160deg,rgba(5,13,34,.40),rgba(5,13,34,.66)),var(--hero-img,none);
  background-size:cover;background-position:center;
}
/* 確実に表示される <img> 方式のヒーロー背景 + Ken Burns ズーム */
.hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:-3;
  transform:scale(1.28)}
body.intro-done .hero-photo{animation:heroPunch 1.5s cubic-bezier(.16,.84,.22,1) forwards,heroKenBurns 22s ease-in-out 1.8s infinite alternate}
@keyframes heroPunch{0%{transform:scale(1.28)}100%{transform:scale(1.04)}}
@keyframes heroKenBurns{0%{transform:scale(1.04)}100%{transform:scale(1.13) translate(-1.5%,-1%)}}

/* 近未来ネットワーク（ヒーロー上に淡く） */
.hero-net{position:absolute;inset:0;z-index:-2;pointer-events:none;opacity:0;transition:opacity 1.6s ease 1s}
body.intro-done .hero-net{opacity:.55}
.hero-net svg{width:100%;height:100%}
.hero-net g:first-child path{stroke-dasharray:1600;stroke-dashoffset:1600;animation:netDraw 3.4s var(--ease) forwards}
body.intro-done .hero-net g:first-child path{animation-delay:1.1s}
.hero-net path:nth-child(2){animation-duration:3.8s}
.hero-net path:nth-child(3){animation-duration:4.2s}
@keyframes netDraw{to{stroke-dashoffset:0}}
.hero-net .hn{animation:nodePulse 3.6s ease-in-out infinite}
.hero-net .hn:nth-child(2){animation-delay:.5s}.hero-net .hn:nth-child(3){animation-delay:1s}
.hero-net .hn:nth-child(4){animation-delay:1.5s}.hero-net .hn:nth-child(5){animation-delay:.8s}
@keyframes nodePulse{0%,100%{opacity:.4}50%{opacity:1;filter:drop-shadow(0 0 6px rgba(255,255,255,.9))}}

/* 高品質モーション：ゆっくり流れる光のスイープ */
.hero-sheen{position:absolute;inset:0;z-index:-2;pointer-events:none;mix-blend-mode:screen;opacity:0;
  background:linear-gradient(115deg,transparent 38%,rgba(120,170,255,.12) 47%,rgba(255,255,255,.16) 50%,rgba(201,162,79,.10) 53%,transparent 62%);
  background-size:260% 100%;background-position:120% 0;
  transition:opacity 1.6s ease 1s}
body.intro-done .hero-sheen{opacity:1;animation:heroSheen 9s ease-in-out 1.6s infinite}
@keyframes heroSheen{0%{background-position:120% 0}55%,100%{background-position:-60% 0}}

/* 浮遊する光の粒子 */
.hero-particles{position:absolute;inset:0;z-index:-2;pointer-events:none;overflow:hidden}
.hero-particles span{position:absolute;bottom:-12px;width:5px;height:5px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.95),rgba(201,162,79,.5) 60%,transparent);
  opacity:0;animation:floatUp linear infinite}
.hero-particles span:nth-child(1){left:12%;animation-duration:13s;animation-delay:0s;transform:scale(.7)}
.hero-particles span:nth-child(2){left:26%;animation-duration:17s;animation-delay:3s;transform:scale(1.1)}
.hero-particles span:nth-child(3){left:39%;animation-duration:15s;animation-delay:6s;transform:scale(.6)}
.hero-particles span:nth-child(4){left:53%;animation-duration:19s;animation-delay:1.5s;transform:scale(.9)}
.hero-particles span:nth-child(5){left:66%;animation-duration:14s;animation-delay:4.5s;transform:scale(.7)}
.hero-particles span:nth-child(6){left:78%;animation-duration:18s;animation-delay:8s;transform:scale(1)}
.hero-particles span:nth-child(7){left:88%;animation-duration:16s;animation-delay:2.5s;transform:scale(.6)}
.hero-particles span:nth-child(8){left:46%;animation-duration:21s;animation-delay:10s;transform:scale(1.2)}
@keyframes floatUp{
  0%{opacity:0;transform:translateY(0) scale(var(--s,1))}
  10%{opacity:.9}
  90%{opacity:.7}
  100%{opacity:0;transform:translateY(-104vh) scale(var(--s,1))}
}
.hero-overlay{position:absolute;inset:0;z-index:-2;pointer-events:none;
  background:linear-gradient(160deg,rgba(5,13,34,.38) 0%,rgba(5,13,34,.55) 55%,rgba(5,13,34,.78) 100%)}
.hero-glow{position:absolute;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(60vw 50vw at 80% 10%,rgba(31,109,255,.28),transparent 60%),
    radial-gradient(50vw 40vw at 10% 90%,rgba(201,162,79,.14),transparent 60%);
}
.hero-grid{position:absolute;inset:0;z-index:-2;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 80%);
}
.hero-inner{position:relative;z-index:1;width:100%}
.hero-eyebrow{font-family:var(--label);font-weight:600;letter-spacing:.4em;font-size:12px;text-transform:uppercase;color:var(--gold-2);margin-bottom:26px}
.hero h1{
  font-family:var(--jp);font-weight:700;letter-spacing:.04em;margin-bottom:30px;
}
.hero h1 .h1-sm{display:block;font-size:clamp(17px,3vw,30px);font-weight:500;color:rgba(255,255,255,.85);
  letter-spacing:.24em;margin-bottom:14px}
.hero h1 .h1-lg{display:block;white-space:nowrap;font-size:clamp(30px,8.2vw,96px);line-height:1.14;letter-spacing:.02em;
  text-shadow:0 6px 36px rgba(0,0,0,.55)}
.hero h1 .h1-lg em{font-style:normal;background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 30px rgba(201,162,79,.5))}
.hero-tagline{font-family:var(--jp);font-size:clamp(15px,2.4vw,23px);font-weight:500;color:rgba(255,255,255,.9);
  letter-spacing:.1em;line-height:1.95;margin-bottom:30px}
.hero-sub{font-size:clamp(14px,1.7vw,16px);color:rgba(255,255,255,.7);max-width:600px;line-height:2.1;margin-bottom:40px}
@media(min-width:761px){.sp-br{display:none}}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap}
.hero-scroll{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:2;
  font-family:var(--en);font-size:10px;letter-spacing:.3em;color:rgba(255,255,255,.6);text-transform:uppercase;
  display:flex;flex-direction:column;align-items:center;gap:10px;}
.hero-scroll::after{content:"";width:1px;height:46px;background:linear-gradient(rgba(255,255,255,.7),transparent);animation:scrollLine 2.2s var(--ease) infinite}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top}40%{transform:scaleY(1);transform-origin:top}60%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* hero ticker (marquee of business keywords) */
.hero-ticker{position:absolute;bottom:0;left:0;right:0;z-index:0;overflow:hidden;padding:14px 0;border-top:1px solid rgba(255,255,255,.08);background:rgba(5,13,34,.4)}
.hero-ticker-track{display:flex;gap:48px;white-space:nowrap;width:max-content;animation:ticker 28s linear infinite;font-family:var(--en);font-weight:600;letter-spacing:.1em;font-size:13px;color:rgba(255,255,255,.42);text-transform:uppercase}
.hero-ticker-track span{display:inline-flex;align-items:center;gap:48px}
.hero-ticker-track span::after{content:"✦";color:var(--gold)}
@keyframes ticker{to{transform:translateX(-50%)}}

/* ============================================================
   STATS (数字で見る)
   ============================================================ */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2.5vw,32px);margin-top:68px}
.stat{position:relative;padding:8px 4px}
.stat-num{font-family:var(--en);font-weight:800;font-size:clamp(40px,6.5vw,68px);line-height:1;letter-spacing:-.02em;
  background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.bg-navy .stat-num{background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-unit{font-size:.42em;margin-left:4px;-webkit-text-fill-color:currentColor;color:var(--muted)}
.bg-navy .stat-unit{color:rgba(255,255,255,.6)}
.stat-label{margin-top:12px;font-weight:700;font-size:14px;color:var(--navy)}
.bg-navy .stat-label{color:#fff}
.stat-sub{font-size:12px;color:var(--muted-2);margin-top:4px}
.bg-navy .stat-sub{color:rgba(255,255,255,.5)}

/* ============================================================
   STRENGTH cards
   ============================================================ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.4vw,30px);margin-top:68px}
.feature{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px 32px;
  box-shadow:var(--shadow);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s;position:relative;overflow:hidden;
}
.feature::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-blue);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.feature:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.feature:hover::before{transform:scaleX(1)}
.feature-no{font-family:var(--en);font-weight:800;font-size:13px;letter-spacing:.2em;color:var(--blue)}
.feature-ico{width:60px;height:60px;border-radius:16px;display:grid;place-items:center;margin:18px 0 22px;
  background:linear-gradient(135deg,rgba(31,109,255,.13),rgba(31,109,255,.03));color:var(--blue);
  box-shadow:inset 0 0 0 1px rgba(31,109,255,.14)}
.feature-ico svg{width:30px;height:30px}
.feature h3{font-family:var(--jp);font-size:20px;font-weight:700;color:var(--navy);margin-bottom:12px;line-height:1.6}
.feature p{font-size:14.5px;color:var(--muted);line-height:1.95}

/* ============================================================
   BUSINESS cards (image)
   ============================================================ */
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,28px);margin-top:68px}
.biz{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--navy);min-height:340px;display:flex;align-items:flex-end;
  box-shadow:var(--shadow);transition:transform .55s var(--ease),box-shadow .55s var(--ease)}
.biz:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.biz-img{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;
  background-color:var(--navy-2);transition:transform 1s var(--ease)}
.biz:hover .biz-img{transform:scale(1.08)}
.biz::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(5,13,34,.05) 0%,rgba(5,13,34,.55) 55%,rgba(5,13,34,.92) 100%)}
.biz-body{position:relative;z-index:2;padding:28px 26px;color:#fff;width:100%}
.biz-no{font-family:var(--en);font-weight:700;font-size:12px;letter-spacing:.2em;color:var(--gold-2)}
.biz h3{font-size:21px;font-weight:800;margin:8px 0 8px;line-height:1.4}
.biz p{font-size:13px;color:rgba(255,255,255,.8);line-height:1.85}
.biz .biz-en{font-family:var(--en);font-size:11px;letter-spacing:.18em;color:rgba(255,255,255,.55);text-transform:uppercase}
.biz-link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:12px;font-weight:700;letter-spacing:.06em;color:#fff}
.biz-link .arr{transition:transform .35s var(--ease)}
.biz:hover .biz-link .arr{transform:translateX(5px)}

/* ---------- BUSINESS（画像なし・VS風 hairlineグリッド） ---------- */
.biz-flat-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:72px;
  border-top:1px solid var(--line)}
.biz-flat{position:relative;display:flex;flex-direction:column;align-items:flex-start;text-align:left;
  padding:clamp(38px,3.8vw,60px) clamp(24px,2.6vw,46px);
  border-bottom:1px solid var(--line);border-right:1px solid var(--line);
  transition:background .45s var(--ease),transform .45s var(--ease),box-shadow .45s var(--ease)}
.biz-flat::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--acc,var(--blue));transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.biz-flat:nth-child(3n){border-right:none}
.biz-flat:hover{background:#fff;transform:translateY(-3px);box-shadow:var(--shadow)}
.biz-flat:hover::before{transform:scaleX(1)}
.bf-no{font-family:var(--en);font-weight:700;font-size:30px;letter-spacing:.04em;line-height:1;
  color:var(--acc,var(--gold));opacity:.32;transition:opacity .45s var(--ease)}
.biz-flat:hover .bf-no{opacity:.9}
.bf-ico{width:50px;height:50px;margin:18px 0 18px;display:grid;place-items:center;
  border-radius:14px;color:var(--acc,var(--blue));
  background:color-mix(in srgb, var(--acc,var(--blue)) 10%, transparent);
  box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--acc,var(--blue)) 22%, transparent);
  transition:transform .45s var(--ease)}
.bf-ico svg{width:30px;height:30px}
.biz-flat:hover .bf-ico{transform:scale(1.08)}
.bf-en{font-family:var(--en);font-weight:600;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--acc,var(--blue));display:block;margin-bottom:8px}
.biz-flat h3{font-family:var(--jp);font-size:clamp(19px,1.6vw,22px);font-weight:800;color:var(--navy);
  margin-bottom:14px;line-height:1.5;letter-spacing:.01em}
.biz-flat p{font-size:13.5px;color:var(--muted);line-height:2;margin-bottom:22px;flex:1}
.bf-link{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--acc,var(--blue));display:inline-flex;align-items:center;gap:8px}
.bf-link .arr{transition:transform .35s var(--ease)}
.biz-flat:hover .bf-link .arr{transform:translateX(5px)}
@media(max-width:900px){
  .biz-flat-grid{grid-template-columns:repeat(2,1fr)}
  .biz-flat:nth-child(3n){border-right:1px solid var(--line)}
  .biz-flat:nth-child(2n){border-right:none}
}
@media(max-width:560px){
  .biz-flat-grid{grid-template-columns:1fr}
  .biz-flat{border-right:none!important}
}

/* ============================================================
   MESSAGE (代表)
   ============================================================ */
.msg{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(32px,5vw,72px);align-items:center}
.msg-photo{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/5;background:var(--navy-2) var(--msg-img,none) center/cover;box-shadow:var(--shadow-lg)}
.msg-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(5,13,34,.45))}
.msg-badge{position:absolute;left:22px;bottom:22px;z-index:2;color:#fff}
.msg-badge .role{font-family:var(--en);font-size:11px;letter-spacing:.2em;color:var(--gold-2);text-transform:uppercase}
.msg-badge .name{font-size:22px;font-weight:800;margin-top:4px}
.msg-body h2{font-size:clamp(22px,3.4vw,36px);font-weight:800;color:var(--navy);line-height:1.55;margin-bottom:24px;letter-spacing:.01em}
.msg-body h2 em{font-style:normal;background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.msg-body p{color:var(--muted);font-size:15px;line-height:2.05;margin-bottom:18px}
.msg-sign{margin-top:26px;font-family:var(--serif);font-size:15px;color:var(--navy)}
.msg-sign b{font-size:24px;margin-left:10px}
/* 代表メッセージ：完成バナーをフル幅表示 */
.msg-banner{display:block;margin-top:48px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);
  transition:transform .55s var(--ease),box-shadow .55s var(--ease)}
.msg-banner img{width:100%;height:auto;display:block;transition:transform 1s var(--ease)}
.msg-banner:hover{transform:translateY(-4px)}
.msg-banner:hover img{transform:scale(1.015)}

/* 代表メッセージ：画像を背景に溶け込ませる流し込みレイアウト */
.msg-flow{position:relative;padding-bottom:clamp(72px,11vw,140px);overflow:hidden}
.msg-flow-bg{position:absolute;top:0;left:0;right:0;height:clamp(300px,44vw,600px);z-index:0;
  background-size:cover;background-position:center 22%;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,#000 42%,transparent 96%);
  mask-image:linear-gradient(180deg,#000 0%,#000 42%,transparent 96%)}
.msg-flow .wrap{position:relative;z-index:1}
.msg-flow-inner{max-width:840px;margin:0 auto;padding-top:clamp(210px,32vw,440px)}
.msg-flow-eyebrow{font-family:var(--label);font-weight:600;font-size:12px;letter-spacing:.34em;
  text-transform:uppercase;color:var(--blue);margin-bottom:18px}
.msg-flow-lead{font-family:var(--jp);font-weight:700;color:var(--navy);
  font-size:clamp(22px,3.6vw,38px);line-height:1.55;letter-spacing:.03em;margin-bottom:36px}
.msg-flow-body p{color:var(--muted);font-size:15.5px;line-height:2.15;margin-bottom:20px}
.msg-flow .msg-sign{margin-top:34px;text-align:right;font-family:var(--serif);font-size:15px;color:var(--navy)}
.msg-flow .msg-sign b{font-size:24px;margin-left:10px}
@media(max-width:600px){
  .msg-flow-bg{height:clamp(220px,60vw,340px);mask-image:linear-gradient(180deg,#000 0%,#000 50%,transparent 98%);
    -webkit-mask-image:linear-gradient(180deg,#000 0%,#000 50%,transparent 98%)}
  .msg-flow-inner{padding-top:clamp(170px,52vw,280px)}
}

/* ============================================================
   CULTURE strip
   ============================================================ */
.culture-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:16px;margin-top:60px}
.cul{border-radius:var(--radius-sm);overflow:hidden;position:relative;background:var(--navy-2) var(--img,none) center/cover;box-shadow:var(--shadow)}
.cul::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(5,13,34,.7))}
.cul span{position:absolute;left:18px;bottom:16px;z-index:2;color:#fff;font-weight:700;font-size:14px;letter-spacing:.04em}
.cul.tall{grid-row:span 2}
.cul.wide{grid-column:span 2}
.cul-img{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform 1s var(--ease)}
.cul:hover .cul-img{transform:scale(1.07)}

/* ---------- CULTURE values（画像なし・VS風） ---------- */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(24px,3vw,44px);margin-top:72px}
.value{text-align:center;display:flex;flex-direction:column;align-items:center;padding:0 8px}
.val-ico{width:64px;height:64px;display:grid;place-items:center;margin-bottom:26px;color:var(--blue);border-radius:50%;
  background:linear-gradient(135deg,rgba(31,109,255,.10),rgba(31,109,255,.02));box-shadow:inset 0 0 0 1px rgba(31,109,255,.14);
  transition:transform .45s var(--ease)}
.val-ico svg{width:30px;height:30px}
.value:hover .val-ico{transform:translateY(-4px)}
.value h3{font-family:var(--jp);font-size:18px;font-weight:700;color:var(--navy);margin-bottom:14px;line-height:1.55}
.value p{font-size:13.5px;color:var(--muted);line-height:2}
@media(max-width:900px){.value-grid{grid-template-columns:repeat(2,1fr);gap:40px 28px}}
@media(max-width:480px){.value-grid{grid-template-columns:1fr}}

/* ============================================================
   RECRUIT band
   ============================================================ */
.recruit-band{position:relative;overflow:hidden;border-radius:clamp(20px,3vw,32px);padding:clamp(48px,7vw,96px) clamp(28px,6vw,80px);
  background:var(--grad-navy);color:#fff;isolation:isolate}
.recruit-band .rb-img{position:absolute;inset:0;z-index:-2;background:var(--recruit-img,none) center/cover;opacity:.28}
.recruit-band .rb-glow{position:absolute;inset:0;z-index:-1;background:radial-gradient(50vw 40vw at 90% 10%,rgba(31,109,255,.4),transparent 60%)}
.recruit-band h2{font-size:clamp(26px,5vw,52px);font-weight:800;line-height:1.25;margin-bottom:20px}
.recruit-band h2 .grad{background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent}
.recruit-band p{color:rgba(255,255,255,.82);max-width:560px;margin-bottom:36px;line-height:2.05}
.recruit-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,4vw,48px);margin-top:46px;padding-top:38px;border-top:1px solid rgba(255,255,255,.16)}
.recruit-stats .rs{display:flex;flex-direction:column;gap:10px}
.recruit-stats .rs b{display:flex;align-items:baseline;gap:5px;line-height:1;
  font-family:var(--en);font-weight:700;font-size:clamp(34px,5.2vw,52px);
  background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent}
.recruit-stats .rs b i{font-style:normal;font-family:var(--jp);font-weight:600;font-size:.34em;
  -webkit-text-fill-color:var(--gold-2);color:var(--gold-2)}
.recruit-stats .rs span{font-size:13px;line-height:1.55;color:rgba(255,255,255,.72);letter-spacing:.02em}
@media(max-width:520px){.recruit-stats{grid-template-columns:1fr 1fr;gap:24px 18px}}

/* ---------- RECRUIT（画像なし・VS風 centered band） ---------- */
.recruit-flat{position:relative;overflow:hidden;border-radius:clamp(20px,3vw,32px);
  padding:clamp(60px,8vw,120px) clamp(28px,6vw,84px);background:var(--grad-navy);color:#fff;isolation:isolate;text-align:center}
.recruit-flat .rb-glow{position:absolute;inset:0;z-index:-1;
  background:radial-gradient(46vw 36vw at 80% 8%,rgba(31,109,255,.36),transparent 60%),
            radial-gradient(40vw 32vw at 12% 96%,rgba(201,162,79,.14),transparent 60%)}
.recruit-flat .eyebrow{justify-content:center;color:var(--gold-2)}
.recruit-flat .eyebrow::before{background:var(--grad-gold)}
.rf-lead{font-size:clamp(26px,5vw,52px);font-weight:800;line-height:1.25;margin-bottom:22px;letter-spacing:.01em}
.rf-lead .grad{background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent}
.rf-text{color:rgba(255,255,255,.82);max-width:640px;margin:0 auto;line-height:2.05}
.rf-points{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(26px,4vw,52px);
  max-width:920px;margin:clamp(44px,6vw,68px) auto;padding-top:clamp(36px,5vw,48px);
  border-top:1px solid rgba(255,255,255,.16);text-align:left}
.rfp-en{font-family:var(--en);font-weight:700;font-size:14px;letter-spacing:.2em;color:var(--gold-2)}
.rfp h3{font-family:var(--jp);font-size:19px;font-weight:700;margin:12px 0 10px;color:#fff;line-height:1.5}
.rfp p{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.95}
@media(max-width:640px){.rf-points{grid-template-columns:1fr;gap:30px;text-align:center}}

/* ============================================================
   NEWS list
   ============================================================ */
.news-list{margin-top:56px;border-top:1px solid var(--line)}
.news-item{display:flex;align-items:center;gap:24px;padding:24px 8px;border-bottom:1px solid var(--line);transition:background .3s,padding .3s;flex-wrap:wrap}
.news-item:hover{background:var(--paper);padding-left:18px}
.news-date{font-family:var(--en);font-weight:600;font-size:13px;color:var(--muted-2);min-width:96px}
.news-cat{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--blue);border:1px solid rgba(31,109,255,.3);border-radius:999px;padding:4px 14px;background:rgba(31,109,255,.06)}
.news-title{font-size:15px;font-weight:600;color:var(--ink);flex:1;min-width:220px}
.news-item .arr{color:var(--muted-2);transition:transform .35s var(--ease)}
.news-item:hover .arr{transform:translateX(5px);color:var(--blue)}

/* ============================================================
   CONTACT cta
   ============================================================ */
.contact-cta{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:60px}
.cc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(32px,4vw,52px);
  box-shadow:var(--shadow);transition:transform .5s var(--ease),box-shadow .5s var(--ease);position:relative;overflow:hidden}
.cc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.cc-card .cc-ico{margin-bottom:18px;display:inline-grid;place-items:center;width:62px;height:62px;border-radius:16px;background:linear-gradient(135deg,rgba(31,109,255,.12),rgba(31,109,255,.03));color:var(--blue);box-shadow:inset 0 0 0 1px rgba(31,109,255,.14)}
.cc-card .cc-ico svg{width:30px;height:30px}
.cc-card.gold .cc-ico{background:linear-gradient(135deg,rgba(201,162,79,.16),rgba(201,162,79,.04));color:var(--gold)}
.cc-card h3{font-size:21px;font-weight:800;color:var(--navy);margin-bottom:10px}
.cc-card p{font-size:14px;color:var(--muted);margin-bottom:26px;line-height:1.9}

/* ============================================================
   FORM
   ============================================================ */
.form{max-width:720px;margin:48px auto 0;display:grid;gap:22px}
.form-row{display:grid;gap:8px}
.form-row.two{grid-template-columns:1fr 1fr;gap:22px}
.form label{font-size:13.5px;font-weight:700;color:var(--navy)}
.form label .req{color:var(--blue);font-size:11px;margin-left:6px}
.form input,.form select,.form textarea{
  font-family:inherit;font-size:15px;padding:15px 18px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);
  transition:border-color .3s,box-shadow .3s;width:100%;
}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(31,109,255,.12)}
.form textarea{min-height:160px;resize:vertical}
.form .form-submit{justify-self:center;margin-top:8px}
.form-note{font-size:12.5px;color:var(--muted-2);text-align:center;margin-top:-6px}

/* ============================================================
   PAGE HERO (下層ページ共通)
   ============================================================ */
.page-hero{position:relative;padding:calc(var(--nav-h) + 70px) 0 70px;color:#fff;overflow:hidden;background:var(--grad-navy);isolation:isolate}
.page-hero .ph-img{position:absolute;inset:0;z-index:-2;background:var(--ph-img,none) center/cover;opacity:.22}
.page-hero .ph-glow{position:absolute;inset:0;z-index:-1;background:radial-gradient(50vw 40vw at 85% 0%,rgba(31,109,255,.32),transparent 60%)}
.page-hero h1{font-size:clamp(30px,5.5vw,56px);font-weight:800;line-height:1.2}
.page-hero .ph-en{font-family:var(--en);font-weight:700;font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold-2);margin-bottom:16px;display:block}
.page-hero .ph-lead{color:rgba(255,255,255,.78);max-width:620px;margin-top:20px;line-height:2}
.breadcrumb{display:flex;gap:10px;font-size:12px;color:rgba(255,255,255,.55);margin-top:26px;flex-wrap:wrap}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{color:rgba(255,255,255,.3)}

/* ============================================================
   TABLE (会社概要)
   ============================================================ */
.profile-table{width:100%;border-collapse:collapse;margin-top:40px}
.profile-table th,.profile-table td{text-align:left;padding:22px 4px;border-bottom:1px solid var(--line);vertical-align:top;font-size:15px}
.profile-table th{width:200px;font-weight:700;color:var(--navy)}
.profile-table td{color:var(--muted);line-height:1.9}
@media(max-width:640px){
  .profile-table th,.profile-table td{display:block;width:100%;padding:14px 4px}
  .profile-table th{border-bottom:none;padding-bottom:2px}
  .profile-table tr{display:block;padding:8px 0}
}

/* ============================================================
   INTERVIEW cards
   ============================================================ */
.interview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:60px}
.iv{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.iv:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.iv-photo{aspect-ratio:4/3;background:var(--navy-2) var(--img,none) center/cover;position:relative;overflow:hidden}
.iv-photo .iv-img{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform 1s var(--ease)}
.iv:hover .iv-photo .iv-img{transform:scale(1.07)}
.iv-tag{position:absolute;top:14px;left:14px;z-index:2;font-size:11px;font-weight:700;letter-spacing:.06em;color:#fff;background:var(--grad-blue);padding:6px 14px;border-radius:999px}
.iv-body{padding:26px 24px}
.iv-body .iv-q{font-size:18px;font-weight:800;color:var(--navy);line-height:1.55;margin-bottom:12px}
.iv-body .iv-meta{font-size:12.5px;color:var(--muted-2);margin-bottom:12px;font-weight:600}
.iv-body p{font-size:14px;color:var(--muted);line-height:1.9}

/* ============================================================
   MEDIA（メディア出演）
   ============================================================ */
.video-embed{position:relative;aspect-ratio:16/9;margin-top:clamp(40px,5vw,64px);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--navy)}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.media-feature{display:grid;grid-template-columns:1.05fr 1.3fr;gap:0;margin-top:clamp(40px,5vw,60px);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.media-feature:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.media-feature .mf-thumb{background-size:cover;background-position:center;background-color:var(--navy-2);min-height:260px;
  transition:transform 1s var(--ease)}
.media-feature:hover .mf-thumb{transform:scale(1.04)}
.media-feature .mf-body{padding:clamp(28px,3.4vw,48px)}
.mf-tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--blue);
  border:1px solid rgba(31,109,255,.3);border-radius:999px;padding:5px 14px;background:rgba(31,109,255,.06);margin-bottom:18px}
.media-feature h3{font-family:var(--jp);font-size:clamp(18px,2.2vw,23px);font-weight:700;color:var(--navy);
  line-height:1.6;margin-bottom:16px}
.media-feature p{font-size:14px;color:var(--muted);line-height:2;margin-bottom:18px}
.mf-meta{display:block;font-family:var(--en);font-size:12px;letter-spacing:.06em;color:var(--muted-2);margin-bottom:18px}
.mf-link{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--blue)}
.mf-link .arr{transition:transform .35s var(--ease)}
.media-feature:hover .mf-link .arr{transform:translateX(5px)}
@media(max-width:760px){
  .media-feature{grid-template-columns:1fr}
  .media-feature .mf-thumb{min-height:200px;aspect-ratio:16/9}
}

/* ============================================================
   INSTAGRAM（フォロー誘導）
   ============================================================ */
.insta{text-align:center;display:flex;flex-direction:column;align-items:center}
.insta-ico{width:74px;height:74px;display:grid;place-items:center;margin-bottom:24px;color:#fff;border-radius:20px;
  background:linear-gradient(45deg,#f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%);
  box-shadow:0 14px 34px rgba(220,39,67,.28)}
.insta-ico svg{width:38px;height:38px}
.insta .section-title{margin-top:4px}
.insta-btn{margin-top:32px;color:#fff;
  background:linear-gradient(45deg,#f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%);
  box-shadow:0 14px 34px rgba(220,39,67,.30)}
.insta-btn:hover{transform:translateY(-3px);box-shadow:0 22px 48px rgba(220,39,67,.42)}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--navy-deep);color:#c2cde6;padding:80px 0 36px;position:relative}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer .brand{color:#fff;margin-bottom:18px}
.footer-about{font-size:13px;color:#8a99bd;line-height:2;max-width:300px}
.footer-col h4{font-size:12px;font-family:var(--en);letter-spacing:.18em;text-transform:uppercase;color:var(--gold-2);margin-bottom:20px;font-weight:700}
.footer-col a{display:block;font-size:13.5px;color:#aab6d6;padding:7px 0;transition:color .3s,padding-left .3s}
.footer-col a:hover{color:#fff;padding-left:6px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:28px;font-size:12px;color:#6f7ea3;flex-wrap:wrap;gap:14px}
.footer-bottom .sns{display:flex;gap:16px}
.footer-bottom .sns a{color:#aab6d6;transition:color .3s}
.footer-bottom .sns a:hover{color:#fff}

/* ============================================================
   SCROLL REVEAL (JS adds .in)
   ============================================================ */
.reveal{opacity:0;transform:translateY(26px);filter:blur(6px);
  transition:opacity 1.2s var(--ease),transform 1.2s var(--ease),filter 1.2s var(--ease)}
.reveal.in{opacity:1;transform:none;filter:blur(0)}
.reveal-stagger > *{opacity:0;transform:translateY(24px);filter:blur(5px);
  transition:opacity 1.05s var(--ease),transform 1.05s var(--ease),filter 1.05s var(--ease)}
.reveal-stagger.in > *{opacity:1;transform:none;filter:blur(0)}
@media(prefers-reduced-motion:reduce){
  .reveal,.reveal-stagger > *{opacity:1!important;transform:none!important;filter:none!important;transition:none!important}
  .hero-ticker-track,.hero-scroll::after{animation:none!important}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:980px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 20px}
  .feature-grid,.biz-grid,.interview-grid{grid-template-columns:repeat(2,1fr)}
  .msg{grid-template-columns:1fr;gap:36px}
  .msg-photo{max-width:440px;margin:0 auto}
  .culture-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:180px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:980px){
  .nav-links,.nav .nav-cta{display:none}
  .nav-toggle{display:flex}
}
@media(max-width:760px){
  .nav-links,.nav>.nav-inner .nav-cta{display:none}
  .nav-toggle{display:flex}
  .feature-grid,.biz-grid,.interview-grid,.contact-cta{grid-template-columns:1fr}
  .form-row.two{grid-template-columns:1fr}
  .cul.wide{grid-column:span 2}
  .hero-ticker{display:none}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col.about-col{grid-column:span 2}
}
@media(max-width:430px){
  .stats-grid{gap:28px 14px}
  .culture-grid{grid-template-columns:1fr 1fr;grid-auto-rows:140px}
  .recruit-stats{gap:24px 16px}
  /* 1行固定の大見出しが極小幅で見切れないよう字間を詰める */
  .hero h1 .h1-lg{letter-spacing:0}
}
@media(max-width:360px){
  .hero h1 .h1-lg{font-size:28px}
}

/* ============================================================
   CINEMATIC INTRO（オープニング演出）
   ============================================================ */
.intro{position:fixed;inset:0;z-index:3000;display:grid;place-items:center;overflow:hidden;
  background:radial-gradient(ellipse at 50% 42%,#15356f 0%,#0a1a3a 40%,#02060f 80%)}
body.intro-done .intro{pointer-events:none}

/* --- 中心へ吸い込まれる光の渦（streaks） --- */
.intro-vortex{position:absolute;left:50%;top:42%;width:0;height:0;z-index:0;pointer-events:none}
.intro-vortex i{position:absolute;left:0;top:0;width:2px;height:52vh;border-radius:2px;
  transform-origin:top center;transform:rotate(var(--a)) scaleY(1);
  background:linear-gradient(to bottom,transparent 0%,rgba(120,170,255,0) 28%,rgba(201,162,79,.4) 74%,rgba(255,255,255,.9) 100%);
  opacity:0;animation:suckIn 1.7s cubic-bezier(.55,0,.35,1) infinite}
.intro-vortex i:nth-child(2n){animation-duration:1.9s;animation-delay:.18s}
.intro-vortex i:nth-child(3n){animation-delay:.4s}
.intro-vortex i:nth-child(4n){animation-duration:2.1s;animation-delay:.62s}
.intro-vortex i:nth-child(5n){animation-delay:.85s}
@keyframes suckIn{
  0%{opacity:0;transform:rotate(var(--a)) scaleY(1)}
  18%{opacity:.9}
  100%{opacity:0;transform:rotate(calc(var(--a) + 26deg)) scaleY(0)}
}

/* --- 中心へ集まる光の粒子 --- */
.intro-suck{position:absolute;left:50%;top:42%;width:0;height:0;z-index:1;pointer-events:none}
.intro-suck span{position:absolute;left:0;top:0;width:7px;height:7px;border-radius:50%;margin:-3.5px;
  background:radial-gradient(circle,#fff,rgba(201,162,79,.6) 55%,transparent 72%);
  opacity:0;animation:suckParticle 1.8s ease-in infinite}
.intro-suck span:nth-child(2n){animation-duration:2.1s;animation-delay:.3s}
.intro-suck span:nth-child(3n){animation-delay:.6s}
.intro-suck span:nth-child(4n){animation-duration:1.6s;animation-delay:.9s}
@keyframes suckParticle{
  0%{opacity:0;transform:translate(var(--sx),var(--sy)) scale(1)}
  16%{opacity:1}
  100%{opacity:0;transform:translate(0,0) scale(.15)}
}

/* --- 中心のコア光（吸い込みの核） --- */
.intro-core{position:absolute;left:50%;top:42%;width:10px;height:10px;border-radius:50%;transform:translate(-50%,-50%);z-index:1;pointer-events:none;
  background:radial-gradient(circle,#fff,rgba(150,190,255,.7) 38%,transparent 70%);
  box-shadow:0 0 50px 14px rgba(120,170,255,.5),0 0 120px 30px rgba(201,162,79,.25);
  animation:corePulse 1.7s ease-in-out infinite}
@keyframes corePulse{0%,100%{transform:translate(-50%,-50%) scale(1);opacity:.7}50%{transform:translate(-50%,-50%) scale(2.6);opacity:1}}

.intro-inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;text-align:center}
/* ロゴ：集まった光から立ち現れる（収束して像を結ぶ） */
.intro-logo-img{width:min(62vw,400px);height:auto;display:block;
  opacity:0;transform:scale(.42);filter:blur(16px) brightness(2.2);
  animation:logoForm 1s cubic-bezier(.2,.72,.2,1) .55s forwards}
@keyframes logoForm{
  0%{opacity:0;transform:scale(.42);filter:blur(16px) brightness(2.4) drop-shadow(0 0 30px rgba(150,190,255,.9))}
  60%{opacity:1;transform:scale(1.05);filter:blur(0) brightness(1.15) drop-shadow(0 0 55px rgba(255,255,255,.65))}
  100%{opacity:1;transform:scale(1);filter:blur(0) brightness(1) drop-shadow(0 14px 40px rgba(0,0,0,.45))}
}
/* 収束完了の瞬間に光がフラッシュ */
.intro-flash{position:absolute;inset:0;z-index:3;pointer-events:none;
  background:radial-gradient(circle at 50% 42%,#fff,rgba(180,205,255,.5) 26%,transparent 60%);
  opacity:0;animation:introFlash .6s ease 1.05s}
@keyframes introFlash{0%{opacity:0}35%{opacity:.9}100%{opacity:0}}
.intro-line{width:0;height:2px;margin:30px auto 0;border-radius:2px;
  background:linear-gradient(to right,transparent,var(--gold-2),#fff,var(--gold-2),transparent);
  box-shadow:0 0 14px rgba(201,162,79,.7);animation:introLine .8s var(--ease) 1.25s forwards}
.intro-tag{margin-top:20px;font-family:var(--label);font-weight:600;letter-spacing:.42em;font-size:12px;color:var(--gold-2);
  opacity:0;transform:translateY(10px);animation:introUp .7s var(--ease) 1.5s forwards;text-shadow:0 0 16px rgba(201,162,79,.5)}
@keyframes introUp{to{opacity:1;transform:translateY(0)}}
@keyframes introLine{0%{width:0;opacity:0}100%{width:clamp(180px,40vw,300px);opacity:1}}

/* --- 開幕：すべてが中心へ吸い込まれて消える（インプロージョン） --- */
body.intro-done .intro-inner{transform:scale(.04) rotate(8deg);opacity:0;
  transition:transform .75s cubic-bezier(.7,0,.2,1),opacity .55s ease .15s}
body.intro-done .intro-vortex,body.intro-done .intro-suck,body.intro-done .intro-core{opacity:0;transition:opacity .4s ease}
body.intro-done .intro{opacity:0;visibility:hidden;transition:opacity .6s ease .35s,visibility 0s linear 1s}

/* イントロ中はスクロール固定 */
body.intro-lock{overflow:hidden;height:100vh}

/* モバイル：光の渦は本数を間引いて軽量化 */
@media(max-width:760px){
  .intro-vortex i:nth-child(2n){display:none}
  .intro-suck span:nth-child(n+7){display:none}
  .intro-logo-img{width:min(74vw,320px)}
}
/* モバイル：粒子は数を絞り、スイープは負荷源なので停止 */
@media(max-width:760px){
  .hero-sheen{display:none}
  .hero-particles span:nth-child(n+5){display:none}
}
@media(prefers-reduced-motion:reduce){
  .intro{display:none!important}
  .hero-photo{transform:scale(1)!important;animation:none!important}
  .hero-net{opacity:.4!important}
  .hero-net path,.hero-net .hn{animation:none!important;stroke-dashoffset:0!important;opacity:.8!important}
  .hero-sheen,.hero-particles{display:none!important}
}

/* ============================================================
   BLOG
   ============================================================ */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.4vw,30px)}
.blog-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.blog-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.blog-thumb{aspect-ratio:16/10;overflow:hidden;position:relative;background:var(--navy-2)}
.blog-thumb-img{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform 1s var(--ease)}
.blog-card:hover .blog-thumb-img{transform:scale(1.07)}
.blog-card-body{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1}
.blog-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.blog-cat{font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--blue);border:1px solid rgba(31,109,255,.3);
  border-radius:999px;padding:4px 13px;background:rgba(31,109,255,.06)}
.blog-date{font-family:var(--en);font-size:13px;color:var(--muted-2)}
.blog-card h3{font-family:var(--jp);font-size:18px;font-weight:700;color:var(--navy);line-height:1.6;margin-bottom:12px}
.blog-card p{font-size:14px;color:var(--muted);line-height:1.9;margin-bottom:18px;flex:1}
.blog-more{font-size:13px;font-weight:700;color:var(--blue);display:inline-flex;align-items:center;gap:8px}
.blog-more .arr{transition:transform .35s var(--ease)}
.blog-card:hover .blog-more .arr{transform:translateX(5px)}

/* 記事ページ */
.blog-article{max-width:820px}
.blog-hero-img{width:100%;aspect-ratio:16/8;border-radius:var(--radius);background-size:cover;background-position:center;
  background-color:var(--navy-2);box-shadow:var(--shadow);margin-bottom:48px}
.blog-body h2{font-family:var(--jp);font-size:clamp(20px,3vw,28px);font-weight:700;color:var(--navy);
  line-height:1.6;margin:44px 0 18px;padding-left:18px;border-left:4px solid var(--blue)}
.blog-body h2:first-child{margin-top:0}
.blog-body p{font-size:16px;color:var(--ink);line-height:2.15;margin-bottom:22px}
.blog-cta{margin-top:48px;padding-top:40px;border-top:1px solid var(--line);text-align:center}

@media(max-width:980px){.blog-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.blog-grid{grid-template-columns:1fr}}