/* =========================================================
   PLUS HUMAN — Renewal (premium 3D)
   元サイトの基調色 #020617 / #3b82f6 を継承
   ========================================================= */

:root {
  --navy-950: #020617;
  --navy-900: #060b1d;
  --navy-850: #0a1326;
  --accent:   #3b82f6;
  --accent-2: #22d3ee;
  --ink:      #e7ecf5;
  --ink-soft: #aeb9cc;
  --ink-mute: #6b7790;
  --line:     rgba(255,255,255,0.09);
  --line-2:   rgba(255,255,255,0.14);
  --glass:    rgba(255,255,255,0.035);
  --glass-2:  rgba(255,255,255,0.06);
  --radius:   18px;
  --maxw:     1180px;
  --font-en:  "Space Grotesk","Noto Sans JP",sans-serif;
  --font-jp:  "Noto Sans JP",sans-serif;
}

* { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior:smooth; }

body {
  font-family: var(--font-jp);
  color: var(--ink);
  background: var(--navy-950);
  letter-spacing: .03em;
  line-height: 1.85;
  font-feature-settings: "palt";
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 背景3D ---------- */
#bg-canvas{
  position: fixed; inset:0; width:100vw; height:100vh;
  z-index:-2; display:block; pointer-events:none;
}
#bg-vignette{
  position: fixed; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(120% 80% at 50% 0%, transparent 40%, rgba(2,6,23,.55) 100%),
    linear-gradient(180deg, rgba(2,6,23,.15) 0%, rgba(2,6,23,.0) 30%, rgba(2,6,23,.55) 100%);
}

/* ---------- scroll progress ---------- */
#scroll-progress{
  position: fixed; top:0; left:0; height:2px; width:0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index:120; box-shadow:0 0 12px rgba(59,130,246,.7);
}

/* ---------- container ---------- */
.container{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 clamp(20px,5vw,48px); }
.container.narrow{ max-width:880px; }

/* ---------- header ---------- */
#main-header{
  position: fixed; top:0; left:0; right:0; z-index:100;
  transition: background .4s ease, backdrop-filter .4s ease, padding .4s ease, border-color .4s ease;
  padding: 22px 0; border-bottom:1px solid transparent;
}
#main-header.scrolled{
  background: rgba(4,8,20,.72); backdrop-filter: blur(16px);
  border-bottom:1px solid var(--line); padding:14px 0;
}
.header-inner{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 clamp(20px,5vw,48px);
  display:flex; align-items:center; justify-content:space-between; }
.logo img{ height:38px; width:auto; object-fit:contain; filter:drop-shadow(0 2px 8px rgba(0,0,0,.4)); }
.logo-text{ font-family:var(--font-en); font-weight:700; font-size:1.4rem; color:#fff; letter-spacing:.05em; }
.logo-text span{ color:var(--accent); }

.nav-desktop{ display:flex; align-items:center; gap:34px; }
.nav-desktop a{
  font-family:var(--font-en); font-size:.8rem; font-weight:500; letter-spacing:.18em;
  color:var(--ink-soft); text-decoration:none; position:relative; transition:color .25s;
}
.nav-desktop a:not(.nav-cta)::after{
  content:""; position:absolute; left:0; bottom:-7px; width:0; height:1px;
  background:var(--accent-2); transition:width .3s ease;
}
.nav-desktop a:not(.nav-cta):hover{ color:#fff; }
.nav-desktop a:not(.nav-cta):hover::after{ width:100%; }
.nav-cta{
  padding:9px 20px; border:1px solid var(--line-2); border-radius:100px; color:#fff;
  background:linear-gradient(120deg, rgba(59,130,246,.18), rgba(34,211,238,.10));
  transition:all .3s;
}
.nav-cta:hover{ border-color:var(--accent); box-shadow:0 0 22px rgba(59,130,246,.4); }

#menu-btn{ display:none; background:none; border:none; color:#fff; cursor:pointer; }
#menu-btn svg{ width:30px; height:30px; }

/* ---------- mobile menu ---------- */
#mobile-menu{
  position: fixed; inset:0; z-index:110; background:rgba(3,7,18,.96); backdrop-filter:blur(20px);
  display:flex; flex-direction:column; justify-content:center; padding:0 10vw;
  opacity:0; pointer-events:none; transition:opacity .4s ease;
}
#mobile-menu.open{ opacity:1; pointer-events:auto; }
#menu-close{ position:absolute; top:24px; right:24px; background:none; border:none; color:#fff; cursor:pointer; }
#menu-close svg{ width:30px; height:30px; }
#mobile-menu nav{ display:flex; flex-direction:column; gap:8px; }
.m-link{
  font-family:var(--font-en); font-size:clamp(1.8rem,8vw,2.6rem); font-weight:600; color:#fff;
  text-decoration:none; display:flex; align-items:baseline; gap:18px; padding:10px 0;
  border-bottom:1px solid var(--line); transition:color .25s, padding-left .25s;
}
.m-link span{ font-size:.85rem; color:var(--accent); letter-spacing:.1em; }
.m-link:hover{ color:var(--accent-2); padding-left:12px; }

/* ---------- HERO ---------- */
.hero{
  position:relative; min-height:100vh; min-height:100svh;
  display:flex; flex-direction:column; justify-content:center;
  padding:120px clamp(20px,5vw,48px) 120px; max-width:var(--maxw); margin:0 auto;
}
.hero-content{ max-width:840px; }
.badge{
  display:inline-flex; align-items:center; gap:10px; padding:8px 16px; margin-bottom:30px;
  border:1px solid var(--line-2); border-radius:100px; background:var(--glass); backdrop-filter:blur(8px);
  font-family:var(--font-en); font-size:.72rem; letter-spacing:.16em; color:var(--ink-soft);
}
.badge .dot{ width:7px; height:7px; border-radius:50%; background:var(--accent-2);
  box-shadow:0 0 10px var(--accent-2); animation:pulse 2s infinite; }
@keyframes pulse{ 0%,100%{opacity:1;} 50%{opacity:.35;} }

.hero-title{
  font-weight:900; line-height:1.04; letter-spacing:-.01em;
  font-size:clamp(3rem, 9vw, 7rem); margin-bottom:30px;
}
.hero-title .line{ display:block; }
.hero-title em{
  font-style:normal;
  background:linear-gradient(100deg, var(--accent) 10%, var(--accent-2) 90%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{
  font-weight:300; font-size:clamp(1rem,2vw,1.2rem); color:var(--ink-soft);
  max-width:560px; line-height:2; margin-bottom:42px;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:16px; }

.btn{
  display:inline-flex; align-items:center; gap:10px; padding:15px 30px; border-radius:100px;
  font-family:var(--font-en); font-weight:600; font-size:.9rem; letter-spacing:.04em;
  text-decoration:none; transition:all .3s ease; cursor:pointer;
}
.btn svg{ width:18px; height:18px; transition:transform .3s; }
.btn-primary{ color:#fff; background:linear-gradient(120deg, var(--accent), #2563eb);
  box-shadow:0 10px 30px -8px rgba(59,130,246,.6); }
.btn-primary:hover{ box-shadow:0 14px 40px -6px rgba(59,130,246,.8); transform:translateY(-2px); }
.btn-primary:hover svg{ transform:translateX(4px); }
.btn-ghost{ color:var(--ink); border:1px solid var(--line-2); background:var(--glass); backdrop-filter:blur(8px); }
.btn-ghost:hover{ border-color:var(--accent); color:#fff; }

.hero-meta{
  position:absolute; left:clamp(20px,5vw,48px); bottom:46px;
  display:flex; gap:26px; flex-wrap:wrap;
  font-family:var(--font-en); font-size:.7rem; letter-spacing:.18em; color:var(--ink-mute);
}
.hero-meta span{ position:relative; padding-left:16px; }
.hero-meta span::before{ content:""; position:absolute; left:0; top:50%; width:6px; height:6px;
  border:1px solid var(--accent); transform:translateY(-50%) rotate(45deg); }

.scroll-cue{
  position:absolute; right:clamp(20px,5vw,48px); bottom:46px;
  display:flex; flex-direction:column; align-items:center; gap:8px; text-decoration:none;
  font-family:var(--font-en); font-size:.65rem; letter-spacing:.25em; color:var(--ink-mute);
}
.scroll-cue svg{ width:18px; height:18px; color:var(--accent-2); animation:bob 1.8s ease-in-out infinite; }
@keyframes bob{ 0%,100%{transform:translateY(0);opacity:.4;} 50%{transform:translateY(6px);opacity:1;} }

/* ---------- section base ---------- */
.section{ position:relative; padding:clamp(80px,12vh,150px) 0; }
.sec-head{ margin-bottom:clamp(40px,6vw,72px); }
.sec-kicker{
  font-family:var(--font-en); font-size:.78rem; font-weight:600; letter-spacing:.3em; color:var(--accent-2);
  display:inline-block; margin-bottom:14px; position:relative; padding-left:34px;
}
.sec-kicker::before{ content:""; position:absolute; left:0; top:50%; width:24px; height:1px; background:var(--accent); }
.sec-kicker.center{ padding-left:0; display:block; text-align:center; }
.sec-kicker.center::before{ display:none; }
.sec-title{ font-weight:900; font-size:clamp(2rem,5vw,3.4rem); letter-spacing:-.01em; line-height:1.1; }

/* ---------- ABOUT ---------- */
.about-grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(30px,5vw,70px); align-items:center; }
.about-media{ position:relative; border-radius:var(--radius); overflow:hidden; border:1px solid var(--line);
  aspect-ratio:4/3; }
.about-media img{ width:100%; height:100%; object-fit:cover; transition:transform .8s ease; }
.about-media:hover img{ transform:scale(1.06); }
.about-media.no-img{ background:linear-gradient(135deg,var(--navy-850),var(--accent)); }
.about-media-glow{ position:absolute; inset:0; box-shadow:inset 0 0 80px rgba(59,130,246,.25); pointer-events:none; }
.about-text h3{ font-size:clamp(1.3rem,2.6vw,1.7rem); font-weight:700; line-height:1.6; margin-bottom:24px;
  padding-bottom:18px; border-bottom:1px solid var(--line); }
.about-text p{ color:var(--ink-soft); font-weight:300; margin-bottom:18px; }
.stat-row{ display:flex; gap:30px; margin-top:34px; flex-wrap:wrap; }
.stat strong{ display:block; font-family:var(--font-en); font-size:1.7rem; font-weight:700;
  background:linear-gradient(120deg,var(--accent),var(--accent-2)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.stat span{ font-size:.72rem; letter-spacing:.14em; color:var(--ink-mute); }

/* ---------- glass cards (SERVICE) ---------- */
.card-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:clamp(18px,2.5vw,28px); }
.glass-card{
  display:flex; flex-direction:column; border-radius:var(--radius); overflow:hidden;
  background:var(--glass); border:1px solid var(--line); backdrop-filter:blur(12px);
  transition:transform .4s ease, border-color .4s ease, box-shadow .4s ease;
}
.glass-card:hover{ transform:translateY(-6px); border-color:rgba(59,130,246,.5);
  box-shadow:0 24px 60px -20px rgba(59,130,246,.4); }
.card-media{ height:200px; overflow:hidden; position:relative; cursor:pointer;
  background:linear-gradient(135deg,var(--navy-850),rgba(59,130,246,.25)); }
.card-media img{ width:100%; height:100%; object-fit:cover; transition:transform .8s ease; }
.card-media::after{ content:""; position:absolute; inset:0;
  background:linear-gradient(180deg,transparent 40%, rgba(2,6,23,.65)); }
.glass-card:hover .card-media img{ transform:scale(1.1); }
.card-body{ padding:26px 26px 30px; display:flex; flex-direction:column; flex:1; }
.card-label{ font-family:var(--font-en); font-size:.7rem; letter-spacing:.16em; color:var(--accent-2);
  text-transform:uppercase; margin-bottom:10px; }
.card-body h3{ font-size:1.35rem; font-weight:700; margin-bottom:14px; }
.card-body p{ font-size:.9rem; color:var(--ink-soft); font-weight:300; flex:1; margin-bottom:18px; }
.card-body ul{ list-style:none; border-top:1px solid var(--line); padding-top:16px; }
.card-body li{ font-size:.82rem; color:var(--ink-soft); padding-left:22px; position:relative; margin-bottom:6px; }
.card-body li::before{ content:""; position:absolute; left:0; top:.6em; width:8px; height:8px; border-radius:50%;
  background:var(--accent); box-shadow:0 0 8px var(--accent); }

.link-row{ display:flex; flex-wrap:wrap; gap:16px; justify-content:center; margin-top:38px; }
.link-pill{ display:inline-flex; align-items:center; gap:12px; padding:14px 24px; border-radius:100px;
  background:var(--glass); border:1px solid var(--line); backdrop-filter:blur(10px);
  color:var(--ink); text-decoration:none; font-size:.9rem; transition:all .3s; }
.link-pill svg{ width:16px; height:16px; color:var(--accent-2); }
.link-pill:hover{ border-color:var(--accent); color:#fff; transform:translateY(-2px); }

/* ---------- WORKS ---------- */
.works-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:clamp(20px,3vw,36px); }
.work{ cursor:pointer; }
.work-media{ position:relative; aspect-ratio:16/10; border-radius:var(--radius); overflow:hidden;
  border:1px solid var(--line); background:linear-gradient(135deg,var(--navy-850),rgba(59,130,246,.2)); margin-bottom:18px; }
.work-media img{ width:100%; height:100%; object-fit:cover; transition:transform .8s ease; }
.work:hover .work-media img{ transform:scale(1.07); }
.work-media::after{ content:"VIEW"; position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-en); letter-spacing:.3em; font-size:.8rem; color:#fff; background:rgba(8,15,35,.55);
  opacity:0; transition:opacity .35s; }
.work:hover .work-media::after{ opacity:1; }
.work .tag{ font-family:var(--font-en); font-size:.66rem; letter-spacing:.14em; color:var(--accent-2);
  border:1px solid var(--line-2); padding:4px 12px; border-radius:100px; text-transform:uppercase; }
.work figcaption h3{ font-size:1.15rem; font-weight:700; margin:14px 0 8px; }
.work figcaption p{ font-size:.85rem; color:var(--ink-soft); font-weight:300; }

/* ---------- MESSAGE ---------- */
.message-grid{ display:grid; grid-template-columns:340px 1fr; gap:clamp(30px,5vw,64px); align-items:start; }
.ceo{ position:sticky; top:110px; }
.ceo-photo{ aspect-ratio:3/4; border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); }
.ceo-photo img{ width:100%; height:100%; object-fit:cover; }
.ceo-photo.no-img{ background:linear-gradient(160deg,var(--navy-850),var(--accent)); }
.ceo-name{ margin-top:18px; }
.ceo-name span{ display:block; font-size:.72rem; letter-spacing:.16em; color:var(--accent-2); }
.ceo-name strong{ font-size:1.5rem; font-weight:900; }
.message-body h3{ font-size:clamp(1.3rem,3vw,1.9rem); font-weight:700; line-height:1.5; margin-bottom:28px;
  background:linear-gradient(120deg,#fff,var(--ink-soft)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.message-body p{ color:var(--ink-soft); font-weight:300; margin-bottom:20px; }
.signature{ margin-top:30px; padding-top:24px; border-top:1px solid var(--line);
  font-family:var(--font-en); font-style:italic; font-size:1.6rem; color:var(--ink-mute); }

/* ---------- COMPANY ---------- */
.company-table{ border-top:1px solid var(--line); }
.company-table > div{ display:grid; grid-template-columns:200px 1fr; gap:24px; padding:22px 8px;
  border-bottom:1px solid var(--line); transition:background .3s; }
.company-table > div:hover{ background:var(--glass); }
.company-table dt{ font-weight:700; font-size:.92rem; position:relative; padding-left:18px; }
.company-table dt::before{ content:""; position:absolute; left:0; top:.55em; width:7px; height:7px; border-radius:50%;
  background:var(--accent); box-shadow:0 0 8px var(--accent); }
.company-table dd{ color:var(--ink-soft); font-weight:300; font-size:.92rem; }

/* ---------- CONTACT ---------- */
.contact-card{ text-align:center; padding:clamp(40px,7vw,80px) clamp(24px,5vw,60px);
  border-radius:calc(var(--radius) + 6px); background:var(--glass); border:1px solid var(--line);
  backdrop-filter:blur(14px); box-shadow:0 40px 100px -40px rgba(59,130,246,.4); position:relative; overflow:hidden; }
.contact-card::before{ content:""; position:absolute; top:-40%; left:50%; transform:translateX(-50%);
  width:120%; height:120%; background:radial-gradient(closest-side,rgba(59,130,246,.18),transparent); pointer-events:none; }
.contact-title{ font-size:clamp(1.6rem,4vw,2.6rem); font-weight:900; margin:8px 0 18px; line-height:1.3; }
.contact-title em{ font-style:normal; background:linear-gradient(120deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text; background-clip:text; color:transparent; }
.contact-lead{ color:var(--ink-soft); font-weight:300; margin-bottom:34px; }
.contact-mail{ display:inline-flex; align-items:center; gap:12px; font-family:var(--font-en); font-size:clamp(1.1rem,3vw,1.6rem);
  font-weight:600; color:#fff; text-decoration:none; padding-bottom:8px; border-bottom:1px solid var(--line-2); transition:border-color .3s; }
.contact-mail svg{ width:24px; height:24px; color:var(--accent-2); }
.contact-mail:hover{ border-color:var(--accent-2); }
.contact-tel{ margin-top:20px; font-family:var(--font-en); font-size:1.1rem; color:var(--ink); }
.contact-addr{ margin-top:24px; font-size:.8rem; color:var(--ink-mute); display:flex; align-items:center; justify-content:center; gap:6px; }
.contact-addr svg{ width:14px; height:14px; }

/* ---------- footer ---------- */
footer{ border-top:1px solid var(--line); padding:60px 0 40px; position:relative; background:rgba(2,6,23,.6); backdrop-filter:blur(8px); }
.footer-inner{ display:flex; flex-direction:column; align-items:center; gap:26px; text-align:center; }
.footer-logo{ height:32px; opacity:.85; }
.footer-nav{ display:flex; flex-wrap:wrap; gap:24px; justify-content:center; }
.footer-nav a{ font-family:var(--font-en); font-size:.75rem; letter-spacing:.14em; color:var(--ink-soft); text-decoration:none; transition:color .25s; }
.footer-nav a:hover{ color:var(--accent-2); }
.copyright{ font-family:var(--font-en); font-size:.66rem; letter-spacing:.2em; color:var(--ink-mute); }

/* ---------- modal ---------- */
#image-modal{ position:fixed; inset:0; z-index:200; background:rgba(2,5,15,.94); backdrop-filter:blur(10px);
  display:flex; align-items:center; justify-content:center; padding:5vw;
  opacity:0; pointer-events:none; transition:opacity .35s; }
#image-modal.open{ opacity:1; pointer-events:auto; }
#image-modal img{ max-width:100%; max-height:88vh; border-radius:12px; box-shadow:0 30px 80px rgba(0,0,0,.7);
  transform:scale(.95); transition:transform .35s; }
#image-modal.open img{ transform:scale(1); }
#modal-close{ position:absolute; top:24px; right:24px; background:var(--glass-2); border:1px solid var(--line-2);
  color:#fff; border-radius:50%; width:48px; height:48px; display:flex; align-items:center; justify-content:center; cursor:pointer; }
#modal-close svg{ width:24px; height:24px; }

/* ---------- reveal animation ---------- */
.reveal{ opacity:0; transform:translateY(34px); transition:opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.in-view{ opacity:1; transform:none; }

/* ---------- scrollbar ---------- */
::-webkit-scrollbar{ width:9px; }
::-webkit-scrollbar-track{ background:var(--navy-950); }
::-webkit-scrollbar-thumb{ background:#1e2b47; border-radius:5px; }
::-webkit-scrollbar-thumb:hover{ background:var(--accent); }

/* ---------- responsive ---------- */
@media (max-width: 900px){
  .nav-desktop{ display:none; }
  #menu-btn{ display:block; }
  .about-grid, .message-grid{ grid-template-columns:1fr; }
  .ceo{ position:static; max-width:300px; }
  .card-grid, .works-grid{ grid-template-columns:1fr; }
  .company-table > div{ grid-template-columns:1fr; gap:6px; }
  .hero-meta{ display:none; }
}
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  *{ scroll-behavior:auto; }
}