/* =========================================================
   株式会社ハットウ電設 — 電気設備プレミアムデザイン
   ========================================================= */

:root{
  --c-bg: #f4f5f7;
  --c-bg-alt: #e8eaef;
  --c-ink: #0c1a2e;
  --c-ink-soft: #1f2c43;
  --c-mute: #6b7589;
  --c-line: #d4d8e0;
  --c-cream: #f6efe2;
  --c-navy: #0c1a2e;
  --c-navy-2: #15263f;
  --c-navy-deep: #060e1c;
  --c-blue: #2a6cb8;        /* electric blue */
  --c-amber: #c8923a;       /* copper / amber accent */
  --c-amber-d: #9b6d23;
  --c-green: #4a7c59;       /* solar / safety green */
  --c-white: #ffffff;
  --c-dark: #060e1c;

  --ff-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif;
  --ff-jp-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --ff-en: "Inter", "Helvetica Neue", Arial, sans-serif;
  --ff-en-serif: "Cormorant Garamond", "Playfair Display", Georgia, serif;
  --ff-mono: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;

  --w-max: 1280px;
  --pad-x: clamp(20px, 5vw, 64px);

  --ease: cubic-bezier(.2,.7,.2,1);
  --ease-out: cubic-bezier(.16,.84,.3,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:var(--ff-jp);
  font-weight:400;
  color:var(--c-ink);
  background:var(--c-bg);
  line-height:1.85;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; transition:color .25s var(--ease); }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0; font-weight:500; line-height:1.4; }
p{ margin:0; }

.pc-only{ display:inline; }
.sp-only{ display:none; }
@media(max-width:768px){
  .pc-only{ display:none; }
  .sp-only{ display:inline; }
}

/* =========================================================
   Loader
   ========================================================= */
.loader{
  position:fixed; inset:0; z-index:9999;
  background:var(--c-dark);
  display:flex; align-items:center; justify-content:center;
  transition:opacity .8s var(--ease), visibility .8s;
}
.loader.is-hidden{ opacity:0; visibility:hidden; pointer-events:none; }
.loader-inner{ text-align:center; color:#fff; }
.loader-mark{
  display:inline-flex; align-items:center; gap:18px;
  margin-bottom:18px;
  animation:loaderPulse 1.5s ease-in-out infinite;
}
.lm-line{
  display:inline-block; width:32px; height:1px;
  background:var(--c-amber);
}
.lm-text{
  font-family:var(--ff-en); font-weight:600;
  font-size:24px; letter-spacing:.4em;
  color:#fff;
}
@keyframes loaderPulse{ 0%,100%{ opacity:.6; } 50%{ opacity:1; } }
.loader-text{
  display:block;
  font-family:var(--ff-en); font-size:10px;
  letter-spacing:.4em; color:rgba(255,255,255,.5);
}

/* =========================================================
   Header
   ========================================================= */
.header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(244,245,247,0);
  transition:background .35s var(--ease), backdrop-filter .35s, padding .35s, border-color .35s;
  padding:6px 0;
  border-bottom:1px solid transparent;
}
.header.is-scrolled{
  background:rgba(244,245,247,.95);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--c-line);
}
.header-inner{
  max-width:1480px; margin:0 auto;
  padding:14px var(--pad-x);
  display:flex; align-items:center; gap:32px;
}

.brand{ display:flex; align-items:center; gap:12px; flex-shrink:0; }
.brand-mark{
  position:relative;
  width:42px; height:42px;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--ff-en); font-weight:700;
  font-size:20px;
  color:#fff; background:var(--c-navy);
  letter-spacing:0;
  border:1px solid var(--c-amber);
  transition:background .3s, color .3s;
}
.bm-dot{
  position:absolute;
  bottom:6px; right:6px;
  width:5px; height:5px; border-radius:50%;
  background:var(--c-amber);
  box-shadow:0 0 6px var(--c-amber);
}
.header.is-scrolled .brand-mark{ background:var(--c-navy); color:#fff; }
.brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.brand-jp{
  font-family:var(--ff-jp-serif); font-weight:600;
  font-size:18px; color:var(--c-ink);
  letter-spacing:.04em;
  transition:color .3s;
}
.brand-en{
  font-family:var(--ff-en); font-size:9px;
  letter-spacing:.18em; color:var(--c-mute);
  margin-top:3px;
}
.header:not(.is-scrolled) .brand-jp{ color:#fff; }
.header:not(.is-scrolled) .brand-en{ color:rgba(255,255,255,.6); }

.nav{ margin-left:auto; }
.nav-list{ display:flex; gap:0; }
.nav-list a{
  display:flex; flex-direction:column; align-items:center; gap:0;
  padding:10px 14px;
  position:relative;
  line-height:1.1;
  transition:color .3s;
}
.nav-num{
  font-family:var(--ff-mono); font-size:10px;
  color:var(--c-amber);
  letter-spacing:.1em;
  font-weight:500;
  margin-bottom:4px;
}
.nav-ja{
  font-size:12px; color:var(--c-ink);
  letter-spacing:.05em;
  transition:color .3s;
  font-weight:500;
}
.header:not(.is-scrolled) .nav-ja{ color:#fff; }
.nav-list a::after{
  content:""; position:absolute; left:50%; bottom:0;
  width:0; height:1px; background:var(--c-amber);
  transition:width .3s var(--ease), left .3s var(--ease);
}
.nav-list a:hover::after,
.nav-list a.is-active::after{ width:60%; left:20%; }

.header-cta{ display:flex; align-items:center; gap:14px; flex-shrink:0; }
.header-tel{ display:flex; flex-direction:column; line-height:1.1; text-align:right; transition:color .3s; }
.tel-label{ font-size:9px; color:var(--c-mute); letter-spacing:.15em; }
.tel-num{
  font-family:var(--ff-en); font-weight:600;
  color:var(--c-ink); font-size:17px;
  letter-spacing:.04em; margin-top:2px;
}
.header:not(.is-scrolled) .tel-label{ color:rgba(255,255,255,.6); }
.header:not(.is-scrolled) .tel-num{ color:#fff; }

.header-reserve{ padding:10px 22px; font-size:13px; }

.hamburger{
  display:none;
  width:40px; height:40px; position:relative;
  margin-left:auto;
}
.hamburger span{
  position:absolute; left:8px; right:8px; height:1.5px;
  background:var(--c-ink);
  transition:transform .3s var(--ease), opacity .3s, top .3s, background .3s;
}
.header:not(.is-scrolled) .hamburger span{ background:#fff; }
.hamburger span:nth-child(1){ top:14px; }
.hamburger span:nth-child(2){ top:19px; }
.hamburger span:nth-child(3){ top:24px; }
.hamburger.is-open span{ background:#fff; }
.hamburger.is-open span:nth-child(1){ top:19px; transform:rotate(45deg); }
.hamburger.is-open span:nth-child(2){ opacity:0; }
.hamburger.is-open span:nth-child(3){ top:19px; transform:rotate(-45deg); }

@media(max-width:1280px){
  .nav, .header-tel{ display:none; }
}
@media(max-width:768px){
  .hamburger{ display:block; }
  .header-cta{ display:none; }
  .brand-en{ display:none; }
  .header-inner{ padding:14px 20px; gap:0; }
  .brand-jp{ font-size:15px; }
  .brand-mark{ width:36px; height:36px; font-size:17px; }
}

/* =========================================================
   Drawer
   ========================================================= */
.drawer{
  position:fixed; inset:0; z-index:90;
  background:var(--c-dark);
  transform:translateY(-100%);
  transition:transform .55s var(--ease);
  display:flex; align-items:center; justify-content:center;
}
.drawer.is-open{ transform:translateY(0); }
.drawer-inner{
  width:100%; max-width:420px;
  padding:80px 32px 40px; text-align:left;
}
.drawer-list{
  margin-bottom:40px; padding-bottom:30px;
  border-bottom:1px solid rgba(255,255,255,.15);
}
.drawer-list a{
  display:flex; align-items:baseline; gap:18px;
  color:#fff; padding:14px 0;
  font-family:var(--ff-jp-serif);
  font-size:18px; font-weight:500;
  letter-spacing:.06em;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-list em{
  font-family:var(--ff-mono); font-size:12px; font-style:normal;
  color:var(--c-amber);
  letter-spacing:.1em; min-width:24px;
}
.drawer-tel{
  display:block; color:#fff;
  font-family:var(--ff-en); font-size:22px;
  font-weight:600; letter-spacing:.05em;
  margin-bottom:16px;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:14px 28px;
  font-size:14px; font-weight:500;
  letter-spacing:.06em;
  border:1px solid transparent;
  cursor:pointer; transition:all .3s var(--ease);
  position:relative; overflow:hidden;
}
.btn-lg{ padding:18px 36px; font-size:15px; }
.btn-block{ display:flex; width:100%; }
.btn-primary{
  background:var(--c-amber); color:#fff;
  border-color:var(--c-amber);
}
.btn-primary:hover{ background:var(--c-amber-d); border-color:var(--c-amber-d); transform:translateY(-2px); box-shadow:0 8px 24px rgba(155,109,35,.25); }
.btn-ghost{
  background:transparent; color:#fff; border-color:rgba(255,255,255,.4);
}
.btn-ghost:hover{ background:rgba(255,255,255,.08); border-color:#fff; }
.btn-light{
  background:#fff; color:var(--c-navy); border-color:#fff;
}
.btn-light:hover{ background:var(--c-cream); transform:translateY(-2px); }
.btn-outline-light{
  background:transparent; color:#fff; border-color:rgba(255,255,255,.4);
}
.btn-outline-light:hover{ background:rgba(255,255,255,.08); border-color:#fff; }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative; min-height:100vh;
  padding:140px var(--pad-x) 120px;
  display:grid; grid-template-columns:1fr 320px; gap:60px;
  align-items:center;
  overflow:hidden;
  color:#fff;
}
.hero-stage{ position:absolute; inset:0; z-index:0; }
.hero-slide{
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  opacity:0; transition:opacity 1.4s var(--ease);
  transform:scale(1.05);
}
.hero-slide.is-active{ opacity:1; transform:scale(1); transition:opacity 1.4s var(--ease), transform 8s ease-out; }
.hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:60px 60px;
  pointer-events:none;
}
.hero-overlay{
  position:absolute; inset:0;
  background:
    linear-gradient(to right, rgba(6,14,28,.85) 0%, rgba(6,14,28,.65) 50%, rgba(6,14,28,.45) 100%),
    linear-gradient(to bottom, rgba(6,14,28,.4), rgba(6,14,28,.7));
}

.hero-content{ position:relative; z-index:2; max-width:780px; }
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:14px;
  font-family:var(--ff-en); font-size:11px;
  color:var(--c-amber);
  letter-spacing:.35em; text-transform:uppercase;
  margin-bottom:32px;
}
.hero-eyebrow .line{ width:36px; height:1px; background:var(--c-amber); display:inline-block; }
.hero-eyebrow em{ font-family:var(--ff-en-serif); font-style:italic; font-weight:500; text-transform:none; letter-spacing:.05em; font-size:14px; }
.hero-title{
  font-family:var(--ff-jp-serif); font-weight:600;
  font-size:clamp(36px, 6.5vw, 84px);
  line-height:1.18; letter-spacing:.02em;
  margin-bottom:32px;
  text-shadow:0 2px 24px rgba(0,0,0,.35);
}
.hero-title .hl{ display:block; }
.hero-title em{
  font-family:var(--ff-jp-serif); font-style:normal;
  color:var(--c-amber);
  position:relative; padding:0 .08em;
}
.hero-title em::before{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px;
  background:linear-gradient(90deg, var(--c-amber), transparent);
}
.hero-sub{
  font-size:clamp(18px, 2vw, 22px);
  font-weight:500;
  margin-bottom:24px;
  line-height:1.7;
  letter-spacing:.04em;
}
.hero-lead{
  font-size:14px; color:rgba(255,255,255,.85);
  max-width:560px; margin-bottom:48px;
  line-height:1.95;
}
.hero-lead strong{ color:var(--c-amber); font-weight:600; }

.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }

.hero-side{
  position:relative; z-index:2;
  display:flex; flex-direction:column; gap:0;
  border-left:1px solid rgba(255,255,255,.15);
  padding-left:40px;
}
.hero-side-item{
  display:flex; flex-direction:column;
  padding:24px 0;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.hero-side-item:last-child{ border-bottom:0; }
.hsi-num{
  font-family:var(--ff-en); font-weight:300;
  font-size:46px; color:#fff;
  line-height:1; letter-spacing:.02em;
  margin-bottom:10px;
}
.hsi-num small{
  font-size:14px; font-weight:500; letter-spacing:.05em;
  color:var(--c-amber); margin-left:4px;
}
.hsi-label{
  font-size:11px; color:rgba(255,255,255,.6);
  letter-spacing:.18em;
}

.hero-pager{
  position:absolute; bottom:60px; left:var(--pad-x); z-index:3;
  display:flex; gap:12px;
}
.hp-dot{
  width:24px; height:2px; background:rgba(255,255,255,.25);
  transition:background .3s, width .3s;
}
.hp-dot.is-active{ background:var(--c-amber); width:48px; }

.hero-scroll{
  position:absolute; right:var(--pad-x); bottom:50px; z-index:3;
  display:flex; flex-direction:column; align-items:center; gap:14px;
  font-family:var(--ff-en); font-size:10px;
  letter-spacing:.4em; color:rgba(255,255,255,.6);
}
.hsl-line{
  width:1px; height:64px; background:rgba(255,255,255,.3);
  position:relative; overflow:hidden;
}
.hsl-line::after{
  content:""; position:absolute; left:0; right:0; top:-100%; height:60%;
  background:linear-gradient(transparent, var(--c-amber));
  animation:scrollDown 2.4s ease-in-out infinite;
}
@keyframes scrollDown{
  0%{ top:-100%; } 100%{ top:100%; }
}

@media(max-width:1100px){
  .hero{ grid-template-columns:1fr; gap:40px; }
  .hero-side{ border-left:0; padding-left:0; flex-direction:row; flex-wrap:wrap; gap:14px; }
  .hero-side-item{ flex:1 1 calc(33% - 10px); padding:18px; background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.1); }
  .hero-side-item:last-child{ border-bottom:1px solid rgba(255,255,255,.1); }
  .hsi-num{ font-size:34px; }
  .hero-pager, .hero-scroll{ display:none; }
}
@media(max-width:768px){
  .hero{ padding:120px 20px 80px; min-height:auto; }
  .hero-title{ margin-bottom:24px; }
  .hero-lead{ margin-bottom:32px; }
  .hero-actions{ flex-direction:column; }
  .hero-actions .btn{ width:100%; }
}

/* =========================================================
   Marquee
   ========================================================= */
.marquee{
  background:var(--c-navy);
  color:#fff;
  padding:14px 0;
  overflow:hidden;
  border-top:1px solid rgba(200,146,58,.3);
  border-bottom:1px solid rgba(200,146,58,.15);
}
.marquee-track{
  display:flex; gap:36px; align-items:center;
  white-space:nowrap;
  font-size:12px;
  letter-spacing:.1em;
  animation:marqueeScroll 40s linear infinite;
}
.m-tag{
  display:inline-flex; align-items:center;
  padding:4px 12px; border:1px solid var(--c-amber);
  font-family:var(--ff-en); font-size:10px;
  letter-spacing:.2em; color:var(--c-amber);
}
@keyframes marqueeScroll{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}

/* =========================================================
   Section base
   ========================================================= */
.section{
  padding:140px var(--pad-x);
  position:relative;
}
.section-head{
  max-width:var(--w-max); margin:0 auto 80px;
  text-align:center;
}
.section-num{
  display:inline-block;
  font-family:var(--ff-mono); font-size:11px;
  color:var(--c-amber);
  letter-spacing:.3em; margin-bottom:14px;
}
.section-en{
  display:block;
  font-family:var(--ff-en-serif); font-style:italic;
  font-size:14px; color:var(--c-mute);
  letter-spacing:.05em;
  margin-bottom:18px;
}
.section-title{
  font-family:var(--ff-jp-serif); font-weight:600;
  font-size:clamp(28px, 4vw, 48px);
  line-height:1.4; letter-spacing:.04em;
  color:var(--c-ink);
}
.section-sub{
  font-size:14px; color:var(--c-mute);
  margin-top:24px;
  line-height:1.9;
}
.section-head-light .section-num{ color:var(--c-amber); }
.section-head-light .section-en{ color:rgba(255,255,255,.6); }
.section-head-light .section-title{ color:#fff; }
.section-head-light .section-sub{ color:rgba(255,255,255,.7); }

@media(max-width:768px){
  .section{ padding:80px 20px; }
  .section-head{ margin-bottom:50px; }
}

/* Reveal animation */
.reveal{
  opacity:0; transform:translateY(40px);
  transition:opacity .9s var(--ease-out), transform .9s var(--ease-out);
  transition-delay:var(--d, 0s);
}
.reveal.is-visible{ opacity:1; transform:none; }

/* =========================================================
   About
   ========================================================= */
.about{
  background:var(--c-bg);
  position:relative;
}
.about::before{
  content:""; position:absolute; top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent, var(--c-line), transparent);
}
.about-body{
  max-width:var(--w-max); margin:0 auto;
  display:grid; grid-template-columns:1.05fr .95fr;
  gap:80px; align-items:center;
}
.about-text p{ margin-bottom:18px; color:var(--c-ink-soft); font-size:15px; }
.about-text strong{ color:var(--c-navy); font-weight:600; }
.about-lead{
  font-family:var(--ff-jp-serif); font-weight:600;
  font-size:clamp(22px, 2.6vw, 30px) !important;
  line-height:1.6; color:var(--c-ink) !important;
  margin-bottom:32px !important;
  letter-spacing:.04em;
}
.about-sign{
  margin-top:36px !important;
  padding-top:24px;
  border-top:1px solid var(--c-line);
  font-family:var(--ff-jp-serif);
  font-size:14px !important; color:var(--c-ink) !important;
  letter-spacing:.08em;
}

.about-visual{ position:relative; aspect-ratio:1/1.05; }
.av-frame{
  position:absolute; inset:0;
  border:1px solid var(--c-line);
  overflow:hidden;
  background:var(--c-navy);
}
.av-bg{
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  filter:brightness(.85) saturate(1.05);
  transition:transform 1.2s var(--ease);
}
.about-visual:hover .av-bg{ transform:scale(1.04); }
.av-overlay{
  position:absolute; inset:0;
  background:
    linear-gradient(135deg, rgba(12,26,46,.4) 0%, rgba(12,26,46,.1) 50%, rgba(200,146,58,.2) 100%);
}
.av-stamp{
  position:absolute; bottom:-20px; right:-20px;
  width:140px; height:140px;
  border-radius:50%;
  background:var(--c-amber);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  color:#fff;
  z-index:2;
  box-shadow:0 12px 40px rgba(0,0,0,.3);
}
.av-stamp span{ font-family:var(--ff-en); font-size:10px; letter-spacing:.25em; }
.av-stamp strong{ font-family:var(--ff-en-serif); font-size:38px; font-weight:500; line-height:1; margin:4px 0; }
.av-tags{
  position:absolute; top:-16px; left:-16px;
  display:flex; flex-direction:column; gap:6px;
  z-index:2;
}
.av-tags span{
  background:#fff;
  padding:6px 14px;
  font-family:var(--ff-mono);
  font-size:11px;
  color:var(--c-navy);
  letter-spacing:.05em;
  border:1px solid var(--c-line);
}

@media(max-width:980px){
  .about-body{ grid-template-columns:1fr; gap:50px; }
  .about-visual{ max-width:480px; margin:0 auto; }
}

/* =========================================================
   Service
   ========================================================= */
.service{
  background:var(--c-navy);
  color:#fff;
  position:relative;
}
.service::before{
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size:50px 50px;
  pointer-events:none;
}
.service-grid{
  max-width:var(--w-max); margin:0 auto;
  display:grid; grid-template-columns:repeat(3, 1fr);
  gap:32px;
  position:relative;
}
.service-card{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.1);
  transition:transform .5s var(--ease), border-color .5s, background .5s;
  position:relative; overflow:hidden;
}
.service-card::after{
  content:""; position:absolute; top:0; left:0; right:0; height:2px;
  background:var(--c-amber);
  transform:scaleX(0); transform-origin:left;
  transition:transform .5s var(--ease);
}
.service-card:hover{
  transform:translateY(-6px);
  background:rgba(255,255,255,.06);
  border-color:rgba(200,146,58,.4);
}
.service-card:hover::after{ transform:scaleX(1); }
.svc-img{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--c-navy-deep);
  position:relative;
}
.svc-img::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(to bottom, transparent 50%, rgba(12,26,46,.4));
  pointer-events:none;
}
.svc-img img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .8s var(--ease);
  filter:saturate(1.05);
}
.service-card:hover .svc-img img{ transform:scale(1.06); }
.svc-body{ padding:32px 28px 36px; }
.svc-num{
  display:inline-block;
  font-family:var(--ff-mono); font-size:11px;
  color:var(--c-amber);
  letter-spacing:.2em; margin-bottom:10px;
}
.svc-en{
  font-family:var(--ff-en-serif); font-style:italic;
  font-size:13px; color:rgba(255,255,255,.5);
  letter-spacing:.05em; margin-bottom:8px !important;
}
.svc-body h3{
  font-family:var(--ff-jp-serif); font-weight:600;
  font-size:22px; line-height:1.4; letter-spacing:.03em;
  color:#fff;
  margin-bottom:18px;
}
.svc-body h3 small{
  display:block;
  font-size:13px; font-weight:400;
  color:rgba(255,255,255,.6);
  margin-top:4px;
  letter-spacing:.04em;
}
.svc-lead{
  font-size:13px; line-height:1.95;
  color:rgba(255,255,255,.7);
  margin-bottom:24px !important;
}
.svc-tags{
  display:flex; flex-wrap:wrap; gap:6px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.08);
}
.svc-tags li{
  padding:5px 12px;
  font-family:var(--ff-en); font-size:11px;
  color:var(--c-amber);
  border:1px solid rgba(200,146,58,.3);
  letter-spacing:.05em;
}

@media(max-width:980px){
  .service-grid{ grid-template-columns:repeat(2, 1fr); }
}
@media(max-width:640px){
  .service-grid{ grid-template-columns:1fr; gap:20px; }
}

/* =========================================================
   Strength
   ========================================================= */
.strength{
  background:var(--c-bg);
  position:relative;
}
.strength-grid{
  max-width:var(--w-max); margin:0 auto;
  display:grid; grid-template-columns:repeat(3, 1fr);
  gap:28px;
}
.strength-card{
  background:#fff;
  padding:50px 38px 44px;
  border:1px solid var(--c-line);
  position:relative; overflow:hidden;
  transition:transform .5s var(--ease), box-shadow .5s, border-color .5s;
}
.strength-card::before{
  content:""; position:absolute; top:0; left:0; bottom:0; width:3px;
  background:var(--c-amber);
  transform:scaleY(0); transform-origin:top;
  transition:transform .5s var(--ease);
}
.strength-card:hover{
  transform:translateY(-5px);
  box-shadow:0 18px 48px rgba(12,26,46,.08);
  border-color:transparent;
}
.strength-card:hover::before{ transform:scaleY(1); }
.sc-num{
  font-family:var(--ff-mono); font-size:12px;
  color:var(--c-amber);
  letter-spacing:.2em;
  display:block; margin-bottom:12px;
}
.sc-en{
  font-family:var(--ff-en-serif); font-style:italic;
  font-size:18px; color:var(--c-mute);
  letter-spacing:.04em;
  margin-bottom:14px !important;
}
.strength-card h3{
  font-family:var(--ff-jp-serif); font-weight:600;
  font-size:26px; line-height:1.45;
  color:var(--c-ink);
  margin-bottom:22px;
  letter-spacing:.03em;
}
.sc-lead{
  font-size:14px; line-height:1.95;
  color:var(--c-ink-soft);
  margin-bottom:30px !important;
}
.sc-meta{
  display:flex; align-items:baseline; gap:14px;
  padding-top:24px;
  border-top:1px solid var(--c-line);
}
.sc-meta span{
  font-family:var(--ff-en); font-size:10px;
  color:var(--c-mute); letter-spacing:.2em;
  text-transform:uppercase;
}
.sc-meta strong{
  font-family:var(--ff-en); font-weight:300;
  font-size:34px; color:var(--c-navy);
  line-height:1;
  letter-spacing:.02em;
}
.sc-meta strong em{
  font-family:var(--ff-jp); font-style:normal;
  font-size:13px; font-weight:500;
  color:var(--c-amber);
  margin-left:4px;
}

@media(max-width:980px){
  .strength-grid{ grid-template-columns:1fr; }
}

/* =========================================================
   History
   ========================================================= */
.history{
  background:var(--c-navy-deep);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.history::before{
  content:""; position:absolute;
  top:50%; left:50%;
  transform:translate(-50%, -50%);
  width:120%; height:120%;
  background:radial-gradient(circle at center, rgba(200,146,58,.08), transparent 60%);
  pointer-events:none;
}
.history-timeline{
  max-width:920px; margin:0 auto;
  position:relative; padding:0 0 0 40px;
}
.history-timeline::before{
  content:""; position:absolute;
  top:14px; bottom:14px; left:8px;
  width:1px;
  background:linear-gradient(to bottom, var(--c-amber), rgba(200,146,58,.2));
}
.ht-item{
  position:relative;
  padding:0 0 60px 56px;
  display:grid; grid-template-columns:140px 1fr; gap:32px;
  align-items:start;
}
.ht-item:last-child{ padding-bottom:0; }
.ht-item::before{
  content:""; position:absolute;
  top:8px; left:-37px;
  width:18px; height:18px; border-radius:50%;
  background:var(--c-amber);
  box-shadow:0 0 0 4px var(--c-navy-deep), 0 0 0 5px rgba(200,146,58,.3);
}
.ht-year{
  font-family:var(--ff-en-serif); font-style:italic;
  font-size:36px; font-weight:500;
  color:var(--c-amber);
  letter-spacing:.04em;
  line-height:1;
}
.ht-year em{ font-style:italic; font-size:18px; color:rgba(200,146,58,.7); }
.ht-body h3{
  font-family:var(--ff-jp-serif); font-weight:600;
  font-size:22px; line-height:1.5;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:.03em;
}
.ht-body p{
  font-size:14px; line-height:1.95;
  color:rgba(255,255,255,.7);
}

@media(max-width:768px){
  .history-timeline{ padding-left:24px; }
  .history-timeline::before{ left:0; }
  .ht-item{ grid-template-columns:1fr; gap:14px; padding-left:36px; }
  .ht-item::before{ left:-29px; width:14px; height:14px; }
  .ht-year{ font-size:28px; }
}

/* =========================================================
   Company
   ========================================================= */
.company{
  background:var(--c-bg);
}
.company-body{
  max-width:var(--w-max); margin:0 auto;
  display:grid; grid-template-columns:1.4fr 1fr;
  gap:60px; align-items:start;
}
.company-table{
  background:#fff;
  border:1px solid var(--c-line);
}
.company-table dl{
  display:grid; grid-template-columns:200px 1fr;
  border-bottom:1px solid var(--c-line);
  margin:0;
}
.company-table dl:last-child{ border-bottom:0; }
.company-table dt{
  background:var(--c-bg-alt);
  padding:20px 24px;
  font-size:13px; font-weight:600;
  color:var(--c-navy);
  letter-spacing:.06em;
  font-family:var(--ff-jp-serif);
}
.company-table dd{
  padding:20px 24px; margin:0;
  font-size:14px; color:var(--c-ink-soft);
  line-height:1.85;
}
.company-table dd a{ color:var(--c-blue); text-decoration:underline; text-underline-offset:3px; }
.ct-label{
  display:inline-block;
  min-width:64px; padding:1px 8px; margin-right:8px;
  font-family:var(--ff-mono); font-size:10px;
  color:var(--c-amber);
  border:1px solid var(--c-amber);
  letter-spacing:.05em;
}

.company-side{ display:flex; flex-direction:column; gap:20px; position:sticky; top:100px; }
.cs-card{
  padding:36px 32px;
  background:#fff;
  border:1px solid var(--c-line);
  position:relative; overflow:hidden;
}
.cs-card::after{
  content:""; position:absolute;
  top:0; right:0; width:80px; height:80px;
  background:linear-gradient(135deg, transparent 50%, rgba(200,146,58,.1) 50%);
}
.cs-en{
  font-family:var(--ff-en); font-size:11px;
  color:var(--c-amber);
  letter-spacing:.25em;
  display:block; margin-bottom:14px;
}
.cs-card h4{
  font-family:var(--ff-jp-serif); font-weight:600;
  font-size:20px; line-height:1.5;
  color:var(--c-ink);
  margin-bottom:18px;
  letter-spacing:.03em;
}
.cs-card p{
  font-size:13px; line-height:1.95;
  color:var(--c-ink-soft);
}
.cs-card-dark{
  background:var(--c-navy);
  border-color:var(--c-navy);
}
.cs-card-dark .cs-en{ color:var(--c-amber); }
.cs-card-dark h4{ color:#fff; }
.cs-card-dark p{ color:rgba(255,255,255,.75); }
.cs-card-dark::after{ background:linear-gradient(135deg, transparent 50%, rgba(200,146,58,.2) 50%); }

@media(max-width:1080px){
  .company-body{ grid-template-columns:1fr; gap:30px; }
  .company-side{ position:static; flex-direction:row; }
  .company-side .cs-card{ flex:1; }
}
@media(max-width:768px){
  .company-table dl{ grid-template-columns:1fr; }
  .company-table dt{ padding:14px 18px; border-bottom:1px solid var(--c-line); }
  .company-table dd{ padding:18px 18px; }
  .company-side{ flex-direction:column; }
}

/* =========================================================
   CTA
   ========================================================= */
.cta{
  position:relative;
  padding:140px var(--pad-x);
  color:#fff;
  text-align:center;
  overflow:hidden;
}
.cta-bg{
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(200,146,58,.18), transparent 50%),
    radial-gradient(ellipse at 70% 70%, rgba(42,108,184,.15), transparent 50%),
    var(--c-navy-deep);
}
.cta-bg::before{
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size:60px 60px;
}
.cta-inner{ position:relative; z-index:1; max-width:840px; margin:0 auto; }
.cta-en{
  font-family:var(--ff-en-serif); font-style:italic;
  font-size:16px; color:var(--c-amber);
  letter-spacing:.1em; margin-bottom:18px !important;
}
.cta h2{
  font-family:var(--ff-jp-serif); font-weight:600;
  font-size:clamp(28px, 4vw, 44px);
  line-height:1.5; color:#fff;
  margin-bottom:30px;
  letter-spacing:.04em;
}
.cta-inner > p{
  font-size:15px; color:rgba(255,255,255,.8);
  line-height:1.95; margin-bottom:48px !important;
}
.cta-tels{
  display:flex; gap:24px; justify-content:center; flex-wrap:wrap;
  margin-bottom:40px;
}
.cta-tel{
  display:flex; flex-direction:column; gap:6px;
  padding:18px 32px;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.03);
  text-align:left;
  transition:border-color .3s, background .3s;
  min-width:280px;
}
.cta-tel:hover{ border-color:var(--c-amber); background:rgba(200,146,58,.05); }
.cta-tel span{
  font-family:var(--ff-en); font-size:10px;
  color:rgba(255,255,255,.6);
  letter-spacing:.2em;
}
.cta-tel strong{
  font-family:var(--ff-en); font-weight:500;
  font-size:24px; color:#fff;
  letter-spacing:.05em;
}
.cta-actions{
  display:flex; gap:14px; justify-content:center; flex-wrap:wrap;
  margin-bottom:30px;
}
.cta-meta{
  font-family:var(--ff-mono); font-size:11px;
  color:rgba(255,255,255,.5);
  letter-spacing:.1em;
}

@media(max-width:768px){
  .cta{ padding:80px 20px; }
  .cta-tel{ min-width:auto; width:100%; }
  .cta-actions{ flex-direction:column; }
  .cta-actions .btn{ width:100%; }
}

/* =========================================================
   Footer
   ========================================================= */
.footer{
  background:var(--c-dark);
  color:rgba(255,255,255,.7);
  padding:80px var(--pad-x) 0;
  border-top:1px solid rgba(200,146,58,.2);
}
.footer-inner{
  max-width:var(--w-max); margin:0 auto;
  display:grid; grid-template-columns:1.3fr 2fr;
  gap:60px;
  padding-bottom:50px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .fb-jp{
  font-family:var(--ff-jp-serif); font-weight:600;
  font-size:22px; color:#fff;
  letter-spacing:.05em;
  margin-bottom:6px !important;
}
.footer-brand .fb-co{
  font-family:var(--ff-en); font-size:11px;
  color:var(--c-amber);
  letter-spacing:.18em;
  margin-bottom:14px !important;
}
.footer-brand .fb-tag{
  font-size:13px; color:rgba(255,255,255,.6);
  margin-bottom:16px !important;
}
.footer-brand .fb-addr{
  font-family:var(--ff-mono); font-size:11px;
  color:rgba(255,255,255,.5);
  line-height:1.95; letter-spacing:.05em;
}
.footer-cols{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:30px;
}
.footer-cols h4{
  font-family:var(--ff-en); font-size:11px;
  color:var(--c-amber);
  letter-spacing:.25em;
  margin-bottom:16px;
  text-transform:uppercase;
  font-weight:600;
}
.footer-cols ul li{ margin-bottom:10px; }
.footer-cols a{
  font-size:13px; color:rgba(255,255,255,.7);
  transition:color .3s;
}
.footer-cols a:hover{ color:var(--c-amber); }
.footer-bottom{
  max-width:var(--w-max); margin:0 auto;
  padding:24px 0;
  display:flex; justify-content:space-between; align-items:center;
}
.footer-bottom small{
  font-family:var(--ff-en); font-size:10px;
  color:rgba(255,255,255,.4);
  letter-spacing:.15em;
}
.footer-totop{
  width:36px; height:36px;
  display:flex; align-items:center; justify-content:center;
  border:1px solid rgba(255,255,255,.2);
  color:rgba(255,255,255,.7);
  transition:border-color .3s, color .3s;
}
.footer-totop:hover{ border-color:var(--c-amber); color:var(--c-amber); }

@media(max-width:980px){
  .footer-inner{ grid-template-columns:1fr; gap:40px; }
}
@media(max-width:768px){
  .footer{ padding:60px 20px 0; }
  .footer-cols{ grid-template-columns:repeat(2, 1fr); }
}

/* =========================================================
   Floating CTA
   ========================================================= */
.float-cta{
  position:fixed; bottom:0; left:0; right:0; z-index:50;
  display:none;
  background:rgba(6,14,28,.96);
  backdrop-filter:blur(10px);
  border-top:1px solid rgba(200,146,58,.2);
}
.float-cta a{
  flex:1;
  padding:14px 8px;
  text-align:center;
  font-size:13px; font-weight:500;
  letter-spacing:.06em;
  color:#fff;
  border-right:1px solid rgba(255,255,255,.1);
}
.float-cta a:last-child{ border-right:0; }
.float-cta-tel{ background:transparent; }
.float-cta-reserve{ background:var(--c-amber); flex:2 !important; }

@media(max-width:768px){
  .float-cta{ display:flex; }
  body{ padding-bottom:54px; }
}