/* =========================================================
   Gold Letters LP  —  OKI-inspired corporate × refined-gold
   Brand red: #e60012 (OKI) / Gold accent: #b8893d
   Type: Noto Sans JP (body) + Noto Serif JP / Marcellus (display)
   ========================================================= */

:root{
  /* legacy accent name (was OKI red) — now deep gold, legible on white */
  --red:#8a6614;
  --red-dark:#6f5210;
  --red-deep:#574009;
  --gold:#b8893d;
  --gold-light:#d8b066;
  --gold-deep:#8a6420;
  /* bright metallic gold for buttons (paired with dark ink text) */
  --gold-btn-1:#e7c46e;
  --gold-btn-2:#c49a44;
  --gold-btn-3:#a67c2b;
  --gold-on:#2a1d04;        /* dark ink text used on gold buttons */
  --ink:#16181c;          /* near-black, high contrast */
  --ink-soft:#3a3d42;
  --gray:#565a61;         /* darkened for legibility */
  --gray-soft:#7b8088;
  --line:#e4e6e9;
  --bg:#ffffff;
  --bg-alt:#f4f5f7;
  --bg-dark:#16181c;
  --radius:6px;
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-card:0 18px 40px -22px rgba(20,24,30,.28);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans JP",system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.85;font-size:16px;
  -webkit-font-smoothing:antialiased;letter-spacing:.01em;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container.narrow{max-width:860px}
.sp-br{display:none}

/* gold foil text helper */
.foil{
  background:linear-gradient(100deg,#a9772b 0%,#e7c777 32%,#fff4d2 48%,#d8ad57 60%,#9a6a22 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  text-shadow:0 1px 0 rgba(120,86,20,.18);
}
.foil-l{
  background:linear-gradient(100deg,#d9b15f,#fff0c8 45%,#e8c477 60%,#caa14f);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}

/* ---------- Standard Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.4em;font-weight:700;font-size:15px;line-height:1;
  padding:16px 28px;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;
  transition:all .25s var(--ease);white-space:nowrap;
}
.btn .arw{font-size:1.25em;transition:transform .25s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn-primary{background:linear-gradient(135deg,var(--gold-btn-1),var(--gold-btn-2) 55%,var(--gold-btn-3));color:var(--gold-on);border-color:transparent}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 10px 24px rgba(166,124,43,.42)}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:transparent;color:#fff;border-color:#fff}
.btn-sm{padding:12px 22px;font-size:14px}

/* ---------- RICH CTA Button ---------- */
.btn-rich{
  position:relative;display:inline-flex;align-items:center;gap:16px;
  background:linear-gradient(135deg,var(--gold-btn-1) 0%,var(--gold-btn-2) 55%,var(--gold-btn-3) 100%);
  color:var(--gold-on);padding:18px 26px;border-radius:12px;overflow:hidden;
  box-shadow:0 16px 34px -12px rgba(166,124,43,.6),inset 0 1px 0 rgba(255,255,255,.5);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);isolation:isolate;
}
.btn-rich::after{ /* sheen */
  content:"";position:absolute;top:0;left:-130%;width:60%;height:100%;z-index:1;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.6),transparent);
  transform:skewX(-18deg);transition:left .6s var(--ease);
}
.btn-rich:hover{transform:translateY(-3px);box-shadow:0 22px 46px -12px rgba(166,124,43,.7),inset 0 1px 0 rgba(255,255,255,.6)}
.btn-rich:hover::after{left:140%}
.btn-rich .br-ic{
  flex:none;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:rgba(42,29,4,.14);color:var(--gold-on);border:1px solid rgba(42,29,4,.22)
}
.btn-rich .br-text{display:flex;flex-direction:column;align-items:flex-start;line-height:1.35;text-align:left}
.btn-rich .br-main{font-weight:900;font-size:17px;letter-spacing:.02em}
.btn-rich .br-sub{font-weight:600;font-size:12px;color:rgba(42,29,4,.82);margin-top:3px}
.btn-rich .br-arw{flex:none;font-size:22px;font-weight:700;transition:transform .25s var(--ease)}
.btn-rich:hover .br-arw{transform:translateX(5px)}
.btn-rich-lg{padding:22px 34px}
.btn-rich-lg .br-main{font-size:19px}
.btn-rich-lg .br-sub{font-size:13px}
.btn-rich-lg .br-ic{width:52px;height:52px}
.btn-rich-sm{gap:12px;padding:15px 24px}
.btn-rich-sm .br-main{font-size:15.5px}

/* gold variant rich button */
.btn-rich.gold{
  background:linear-gradient(135deg,#c79a45,#a9772b 60%,#8a6420);
  box-shadow:0 16px 34px -12px rgba(184,137,61,.6),inset 0 1px 0 rgba(255,255,255,.3)
}

/* ghost / outline on light */
.btn-ghost{
  display:inline-flex;align-items:center;gap:.4em;font-weight:700;font-size:15px;
  padding:18px 26px;border-radius:12px;border:2px solid #d2d5da;color:var(--ink);
  background:rgba(255,255,255,.6);transition:all .25s var(--ease)
}
.btn-ghost .arw{font-size:1.2em;transition:transform .25s var(--ease)}
.btn-ghost:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn-ghost:hover .arw{transform:translateX(4px)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 1px 0 var(--line)}
.utility-bar{background:var(--bg-dark);color:#cfd2d6;font-size:12.5px}
.utility-inner{display:flex;justify-content:space-between;align-items:center;height:36px}
.utility-tag{letter-spacing:.06em;font-weight:500;color:#a7adb5;font-family:"Marcellus",serif}
.utility-nav{display:flex;gap:22px;align-items:center}
.utility-nav a:hover{color:#fff}
.utility-nav .lang{color:#a7adb5}
.utility-nav .lang-en:hover{color:#fff}

.header-main{background:#fff}
.header-inner{display:flex;align-items:center;height:74px;gap:32px}
.logo{display:flex;align-items:center;gap:12px}
.logo-img{height:60px;width:auto;display:block}
.logo-img-footer{height:78px}

/* brand lockup + 日本総代理店 partner badge (SendGrid-style) */
.brand-lockup{display:flex;align-items:center;gap:18px;min-width:0}
.brand-divider{width:1px;height:46px;background:var(--line);flex:none}
.partner-badge{display:flex;flex-direction:column;gap:4px;min-width:0}
.partner-label{font-size:11px;font-weight:700;color:var(--gray);letter-spacing:.06em;line-height:1;
  display:inline-flex;align-items:center;gap:6px}
.partner-label::before{content:"";width:14px;height:2px;background:var(--red);display:inline-block}
.partner-logo{height:26px;width:auto;display:block}

/* footer distributor block */
.footer-distributor{display:block;margin-top:24px;padding:18px 18px 16px;border:1px solid rgba(255,255,255,.12);border-radius:10px;transition:.25s var(--ease);background:rgba(255,255,255,.02)}
.footer-distributor:hover{background:rgba(216,176,102,.1);border-color:rgba(216,176,102,.45);transform:translateY(-2px)}
.fd-label{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:700;color:#cfd3d8;letter-spacing:.06em;margin-bottom:12px}
.fd-label::before{content:"";width:14px;height:2px;background:var(--gold-light)}
.fd-logo{height:30px;width:auto;background:#fff;padding:7px 10px;border-radius:6px;display:block}
.fd-contact{margin-top:12px;font-size:13px;color:#969ca5}
.fd-tel{color:#fff;font-weight:700}
.fd-arrow{display:inline-block;margin-top:10px;font-size:12px;font-weight:700;color:var(--gold-light)}
.footer-distributor:hover .fd-arrow{color:#fff}
.logo-mark{
  width:44px;height:44px;display:grid;place-items:center;
  background:linear-gradient(135deg,#caa052,var(--gold) 55%,var(--gold-deep));
  color:#fff;font-weight:900;font-size:18px;border-radius:8px;font-family:"Marcellus",serif;
  letter-spacing:.04em;box-shadow:0 4px 12px rgba(184,137,61,.4)
}
.logo-text{font-weight:900;font-size:20px;line-height:1.1;color:var(--ink);display:flex;flex-direction:column}
.logo-text small{font-weight:500;font-size:11px;color:var(--gray);letter-spacing:.08em;margin-top:2px}

.gnav{display:flex;gap:24px;margin-left:auto}
.gnav a{font-weight:700;font-size:15px;position:relative;padding:6px 0;color:var(--ink-soft)}
.gnav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:3px;background:var(--red);transition:width .25s var(--ease)}
.gnav a:hover{color:var(--ink)}
.gnav a:hover::after{width:100%}
.header-cta{margin-left:6px}

.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:none;border:none;cursor:pointer;margin-left:auto}
.hamburger span{display:block;width:26px;height:2px;background:var(--ink);transition:.3s var(--ease)}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Section base ---------- */
.section{padding:96px 0}
.section.alt{background:var(--bg-alt)}
.section-head{margin-bottom:52px}
.section-head.center{text-align:center}
.sec-eyebrow{
  font-family:"Marcellus",serif;font-size:14px;font-weight:400;letter-spacing:.24em;
  color:var(--red);margin-bottom:14px;display:inline-block
}
.sec-eyebrow.light{color:var(--gold-light)}
.sec-title{font-size:36px;font-weight:900;line-height:1.34;color:var(--ink);position:relative;padding-left:18px}
.sec-title::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:5px;background:var(--red);border-radius:2px}
.section-head.center .sec-eyebrow{display:block}
.section-head.center .sec-title{padding-left:0;display:inline-block}
.section-head.center .sec-title::before{display:none}
.section-head.center .sec-title::after{content:"";display:block;width:60px;height:4px;background:var(--red);margin:18px auto 0;border-radius:2px}
.sec-desc{margin-top:18px;color:var(--gray);font-size:16.5px}

/* ---------- HERO A (split editorial) ---------- */
.hero{position:relative;overflow:hidden;background:#fff}
.hero-deco{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 520px at 88% -8%,rgba(184,137,61,.18),transparent 58%),
    radial-gradient(760px 480px at -8% 108%,rgba(184,137,61,.1),transparent 55%),
    linear-gradient(180deg,#fff 0%,#fafafa 100%);
}
.hero-deco::after{ /* faint grid texture */
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(20,24,30,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(20,24,30,.03) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(80% 70% at 70% 20%,#000,transparent);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:54px;align-items:center;padding:78px 24px 92px}
.hero-eyebrow{display:flex;align-items:center;gap:12px;font-family:"Marcellus",serif;font-size:14px;letter-spacing:.22em;color:var(--red);margin-bottom:20px}
.hero-eyebrow .eb-line{width:42px;height:2px;background:var(--red);display:inline-block}
.hero-title{font-size:58px;font-weight:900;line-height:1.16;letter-spacing:.005em;color:var(--ink)}
.hero-lead{margin:26px 0 34px;font-size:17.5px;color:var(--ink-soft);max-width:560px;line-height:1.95}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.hero-stats{display:flex;gap:36px;margin-top:46px;padding-top:30px;border-top:1px solid var(--line)}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{font-size:38px;font-weight:900;color:var(--ink);line-height:1;font-family:"Marcellus",serif}
.hero-stats strong .u{font-size:16px;font-weight:700;margin-left:2px;font-family:"Noto Sans JP",sans-serif}
.hero-stats span{font-size:12.5px;color:var(--gray);margin-top:9px}

.hero-media{position:relative}
.hero-photo{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 40px 70px -28px rgba(20,24,30,.5);background:#222}
.hero-photo::before{content:"";position:absolute;inset:0;z-index:1;border:1px solid rgba(255,255,255,.12);border-radius:16px;pointer-events:none}
.hero-photo img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.hero-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;display:flex;align-items:center;gap:9px;
  background:rgba(20,24,30,.82);backdrop-filter:blur(6px);color:#fff;font-size:12.5px;font-weight:700;
  padding:10px 16px;border-radius:40px
}
.hero-tag .dot{width:9px;height:9px;border-radius:50%;background:var(--gold-light);box-shadow:0 0 0 4px rgba(216,176,102,.3);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero-chip{
  position:absolute;right:-14px;top:-18px;z-index:3;display:flex;align-items:center;gap:11px;
  background:#fff;border-radius:12px;padding:13px 17px;box-shadow:var(--shadow-card);max-width:230px;
  border:1px solid var(--line)
}
.hero-chip .chip-num{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));color:#fff;font-size:16px;flex:none}
.hero-chip .chip-txt{font-size:12px;color:var(--ink-soft);line-height:1.45}
.hero-chip .chip-txt strong{color:var(--ink)}

/* ---------- HERO B (cinematic / video dark) ---------- */
.heroB{position:relative;min-height:90vh;display:grid;place-items:center;overflow:hidden;background:#0e0f12;text-align:center;color:#fff}
.heroB-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.heroB-overlay{position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(120% 95% at 50% 22%,rgba(14,15,18,.22),rgba(14,15,18,.64) 82%),
    linear-gradient(180deg,rgba(14,15,18,.44),rgba(14,15,18,.32) 45%,rgba(14,15,18,.54))}
.heroB-overlay::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:48px 48px;mask-image:radial-gradient(75% 65% at 50% 25%,#000,transparent)}
.heroB-inner{position:relative;z-index:2;max-width:900px;padding:104px 24px}
.heroB-eyebrow{font-family:"Marcellus",serif;letter-spacing:.3em;color:var(--gold-light);font-size:15px;margin-bottom:24px;text-shadow:0 2px 10px rgba(0,0,0,.6);animation:bUp .8s var(--ease) both}
.heroB-title{font-size:62px;font-weight:900;line-height:1.2;margin-bottom:26px;letter-spacing:.01em;text-shadow:0 2px 4px rgba(0,0,0,.55),0 6px 34px rgba(0,0,0,.6);animation:bUp .8s .08s var(--ease) both}
.heroB-lead{font-size:18px;color:#eef0f2;max-width:640px;margin:0 auto 40px;line-height:1.95;text-shadow:0 1px 8px rgba(0,0,0,.7);animation:bUp .8s .16s var(--ease) both}
.heroB-actions{justify-content:center;animation:bUp .8s .24s var(--ease) both}
.heroB-stats{justify-content:center;border-top:1px solid rgba(255,255,255,.16);margin-top:48px;padding-top:30px;display:flex;gap:46px;animation:bUp .8s .32s var(--ease) both}
.heroB-stats strong{color:#fff}
.heroB-stats span{color:#aeb3bb}
.btn-ghost-dark{color:#fff;border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.06)}
.btn-ghost-dark:hover{background:#fff;color:var(--ink);border-color:#fff}
@keyframes bUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.heroB-scroll{position:absolute;left:50%;bottom:26px;z-index:2;transform:translateX(-50%);width:26px;height:42px;border:2px solid rgba(255,255,255,.5);border-radius:14px;display:block}
.heroB-scroll span{position:absolute;left:50%;top:8px;width:4px;height:8px;border-radius:2px;background:#fff;transform:translateX(-50%);animation:scrollDot 1.6s infinite}
@keyframes scrollDot{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}80%{opacity:0;transform:translate(-50%,14px)}100%{opacity:0}}

/* ---------- Trust ---------- */
.trust{background:var(--bg-dark);color:#e8eaed}
.trust-inner{padding:30px 24px;display:flex;align-items:center;gap:36px;flex-wrap:wrap;justify-content:center}
.trust-lead{font-weight:700;font-size:15px;color:#fff}
.trust-points{display:flex;gap:30px;flex-wrap:wrap}
.trust-points li{display:flex;align-items:center;gap:9px;font-size:14px;color:#c8ccd1}
.trust-points strong{color:#fff;font-weight:700}
.trust-points .ti{display:grid;place-items:center;min-width:26px;height:26px;padding:0 6px;border-radius:40px;background:var(--red);color:#fff;font-size:12px;font-weight:700}

/* ---------- Problem ---------- */
.problem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.problem-card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--red);border-radius:var(--radius);padding:34px 26px;transition:.3s var(--ease)}
.problem-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card)}
.problem-no{font-family:"Marcellus",serif;font-size:38px;color:var(--red);opacity:.22;line-height:1;display:block;margin-bottom:14px}
.problem-card h3{font-size:18px;font-weight:700;margin-bottom:12px;line-height:1.5}
.problem-card p{font-size:14.5px;color:var(--gray)}

/* ---------- Solution ---------- */
.solution-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.solution-lead{margin-bottom:18px;color:var(--ink-soft);font-size:16px}
.check-list{margin-top:28px;display:grid;gap:15px}
.check-list li{position:relative;padding-left:38px;font-size:15.5px;color:var(--ink-soft)}
.check-list li::before{content:"✓";position:absolute;left:0;top:1px;width:25px;height:25px;display:grid;place-items:center;background:var(--red);color:#fff;border-radius:50%;font-size:13px;font-weight:700}
.solution-figure{border-radius:14px;overflow:hidden;box-shadow:0 36px 64px -30px rgba(20,24,30,.5)}
.solution-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}

/* ---------- Features ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 28px;transition:.3s var(--ease)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card);border-color:#d2d5da}
.feat-icon{width:60px;height:60px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,rgba(184,137,61,.2),rgba(184,137,61,.06));color:var(--gold-deep);font-size:26px;font-weight:900;margin-bottom:22px}
.feature-card h3{font-size:19px;font-weight:700;margin-bottom:12px;line-height:1.45}
.feature-card p{font-size:14.5px;color:var(--gray)}
.feature-card-cta{background:linear-gradient(150deg,#1f232a,#2c3340);color:#fff;border:none;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:16px;position:relative;overflow:hidden}
.feature-card-cta::before{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(184,137,61,.4),transparent 70%)}
.feature-card-cta h3{font-size:25px;line-height:1.4;position:relative}
.feature-card-cta p{color:#c7cbd1;position:relative}

/* ---------- Steps ---------- */
.step-list{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step-item{position:relative;background:#fff;border-radius:var(--radius);padding:40px 30px 34px;box-shadow:0 6px 22px -12px rgba(20,24,30,.22)}
.step-item::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--red),var(--gold));border-radius:var(--radius) var(--radius) 0 0}
.step-media{position:relative;aspect-ratio:1/1;border-radius:10px;overflow:hidden;background:#14100a;margin-bottom:22px}
.step-media video{width:100%;height:100%;object-fit:cover;display:block}
.step-num{position:absolute;top:12px;left:12px;z-index:2;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-btn-1),var(--gold-btn-3));color:var(--gold-on);
  font-family:"Marcellus",serif;font-weight:700;font-size:21px;line-height:1;
  box-shadow:0 6px 16px -4px rgba(166,124,43,.6),inset 0 1px 0 rgba(255,255,255,.5)}
.step-no{display:inline-block;font-family:"Marcellus",serif;font-size:14px;letter-spacing:.14em;color:var(--red);margin-bottom:14px}
.step-item h3{font-size:20px;font-weight:700;margin-bottom:12px}
.step-item p{font-size:14.5px;color:var(--gray)}

/* ---------- Gallery ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:16px}
.g-item{position:relative;border-radius:12px;overflow:hidden;background:#222;box-shadow:0 10px 26px -16px rgba(20,24,30,.4)}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.g-item:hover img{transform:scale(1.07)}
.g-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;color:#fff;font-size:13px;font-weight:700;background:linear-gradient(transparent,rgba(20,24,30,.82));opacity:0;transform:translateY(8px);transition:.3s var(--ease)}
.g-item:hover figcaption{opacity:1;transform:none}
.g-tall{grid-row:span 2}
.g-wide{grid-column:span 2}
.gallery-cta{text-align:center;margin-top:40px}

/* ---------- Materials ---------- */
.material-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.material-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 18px;text-align:center;transition:.3s var(--ease)}
.material-card:hover{transform:translateY(-5px);border-color:var(--gold);box-shadow:0 18px 34px -20px rgba(184,137,61,.5)}
.mat-ic{font-size:40px;display:block;margin-bottom:14px}
.material-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.material-card p{font-size:13px;color:var(--gray)}

/* ---------- Tables ---------- */
.table-wrap,.spec-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-card)}
.compare-table,.spec-table{width:100%;border-collapse:collapse;background:#fff;min-width:700px}
.compare-table th,.compare-table td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:14.5px}
.compare-table thead th{background:var(--bg-dark);color:#fff;font-weight:700;font-size:15px;vertical-align:bottom}
.compare-table thead .us-col{background:var(--red)}
.compare-table thead th small{display:block;font-weight:500;font-size:11.5px;opacity:.9;margin-top:4px}
.compare-table tbody th{background:var(--bg-alt);font-weight:700;width:210px;color:var(--ink)}
.compare-table td.ok{font-weight:600;color:var(--ink)}
.compare-table td.ok::before{content:"●";color:var(--red);font-size:10px;margin-right:8px;vertical-align:middle}
.compare-table tbody tr:hover td,.compare-table tbody tr:hover th{background:#fff7f7}
.feat-col{width:210px}
.spec-table th,.spec-table td{padding:17px 22px;border-bottom:1px solid var(--line);font-size:14.5px;text-align:left;vertical-align:top}
.spec-table th{background:#fff;font-weight:700;width:240px;color:var(--ink);border-left:4px solid var(--gold)}
.spec-table td{color:var(--ink-soft);background:#fff}
.spec-table tr:hover th,.spec-table tr:hover td{background:#fcfbf8}
.spec-note{margin-top:18px;font-size:13px;color:var(--gray)}

/* ---------- Cases / Testimonial ---------- */
.testimonial{max-width:980px;margin:0 auto;background:#fff;border-radius:14px;box-shadow:var(--shadow-card);border-top:4px solid var(--gold);overflow:hidden;display:grid;grid-template-columns:.85fr 1.15fr}
.testimonial-photo{margin:0}
.testimonial-photo img{width:100%;height:100%;object-fit:cover;min-height:280px}
.testimonial-body{padding:40px 44px}
.quote-mark{font-family:"Noto Serif JP",serif;font-size:60px;color:var(--gold);line-height:.5;height:30px}
.quote-body{font-family:"Noto Serif JP",serif;font-size:25px;font-weight:700;color:var(--ink);margin:10px 0 18px;line-height:1.6}
.quote-meta{display:flex;flex-direction:column;gap:2px;margin-bottom:18px}
.quote-name{font-weight:700;font-size:15px}
.quote-role{font-size:13px;color:var(--gray)}
.case-note{font-size:14.5px;color:var(--gray);margin-bottom:16px}
.link-arrow{color:var(--red);font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:4px;background:none;border:none;cursor:pointer;font-family:inherit;padding:0}
.link-arrow .arw{transition:transform .25s var(--ease)}
.link-arrow:hover .arw{transform:translateX(4px)}

.industries{margin-top:60px;text-align:center}
.industries-title{font-size:18px;font-weight:700;margin-bottom:24px}
.industry-list{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.industry-list li{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:40px;padding:13px 26px;font-size:14.5px;font-weight:600}
.ind-ic{font-size:18px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 56px 20px 24px;font-weight:700;font-size:16px;position:relative;transition:.2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:24px;font-weight:400;color:var(--red);transition:transform .25s var(--ease)}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item summary:hover{color:var(--red)}
.faq-a{padding:0 24px 22px;color:var(--gray);font-size:14.5px}

/* ---------- FINAL CTA BAND ---------- */
.cta-band{position:relative;overflow:hidden;padding:100px 0;background:linear-gradient(140deg,#16181c 0%,#241a10 70%,#2c1d0c 100%);color:#fff;text-align:center}
.cta-band-deco{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(760px 380px at 84% 8%,rgba(184,137,61,.3),transparent 60%),
    radial-gradient(640px 360px at 10% 100%,rgba(184,137,61,.18),transparent 60%);
}
.cta-band-deco::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(70% 60% at 50% 30%,#000,transparent)}
.cta-band-inner{position:relative;z-index:1}
.cta-band-title{font-size:42px;font-weight:900;line-height:1.4;margin:6px 0 20px}
.cta-band-lead{color:#d6d9de;font-size:17px;max-width:680px;margin:0 auto 38px;line-height:1.9}
.cta-band-actions{display:flex;justify-content:center;margin-bottom:34px}
.cta-channels{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
.channel{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:16px 24px;transition:.25s var(--ease);min-width:264px}
.channel:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);border-color:rgba(255,255,255,.3)}
.channel-primary{background:rgba(184,137,61,.16);border-color:rgba(216,176,102,.4)}
.channel-primary:hover{background:rgba(184,137,61,.26)}
.ch-ic{font-size:24px;flex:none}
.ch-text{display:flex;flex-direction:column;align-items:flex-start;line-height:1.4;text-align:left}
.ch-label{font-size:12px;color:#b9bec6}
.ch-val{font-size:17px;font-weight:700;color:#fff}
.cta-mailnote{margin-top:22px;font-size:12.5px;color:#9aa0a8}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-dark);color:#b9bec5}
.footer-inner{display:grid;grid-template-columns:1.4fr 2.6fr;gap:48px;padding:66px 24px 48px}
.logo-footer .logo-text{color:#fff}
.logo-footer .logo-text small{color:#8b9098}
.footer-desc{margin-top:18px;font-size:13.5px;line-height:1.95;color:#969ca5;max-width:340px}
.footer-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.04em}
.footer-col h4.sr-hide{visibility:hidden}
.footer-col a{display:block;font-size:13.5px;color:#969ca5;padding:6px 0;transition:.2s}
.footer-col a:hover{color:var(--gold-light);transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08)}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;font-size:12.5px;color:#7c828b;flex-wrap:wrap;gap:8px}
.footer-legal{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.footer-legal a{color:#969ca5;transition:.2s}
.footer-legal a:hover{color:var(--gold-light)}
.footer-legal .footer-contact{color:#7c828b}

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:95;display:none;gap:0;background:#fff;box-shadow:0 -6px 20px rgba(20,24,30,.16);padding:10px 12px;gap:10px}
.sc-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:7px;padding:15px 8px;border-radius:10px;font-weight:800;font-size:15px}
.sc-tel{flex:0 0 92px;background:#f0f1f3;color:var(--ink)}
.sc-quote{background:linear-gradient(135deg,var(--gold-btn-1),var(--gold-btn-2) 55%,var(--gold-btn-3));color:var(--gold-on);box-shadow:0 8px 18px -6px rgba(166,124,43,.5)}
.sc-arw{transition:transform .25s var(--ease)}
.sc-quote:active .sc-arw{transform:translateX(3px)}

/* ---------- To top ---------- */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--gold-btn-1),var(--gold-btn-3));color:var(--gold-on);display:grid;place-items:center;font-size:20px;font-weight:900;box-shadow:0 8px 20px rgba(166,124,43,.45);opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s var(--ease);z-index:90}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{filter:brightness(1.06)}

/* ---------- Article Modal ---------- */
.modal{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:24px}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(14,15,18,.7);backdrop-filter:blur(4px);animation:fadeIn .25s var(--ease)}
.modal-dialog{position:relative;width:100%;max-width:780px;max-height:88vh;display:flex;flex-direction:column;
  background:#fff;border-radius:14px;box-shadow:0 50px 90px -30px rgba(0,0,0,.6);overflow:hidden;
  border-top:4px solid var(--gold);animation:modalUp .35s var(--ease)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes modalUp{from{opacity:0;transform:translateY(24px) scale(.98)}to{opacity:1;transform:none}}
.modal-close{position:absolute;top:14px;right:16px;width:40px;height:40px;border:none;background:#f1f2f4;color:var(--ink);
  font-size:24px;line-height:1;border-radius:50%;cursor:pointer;transition:.2s;z-index:2}
.modal-close:hover{background:var(--red);color:#fff;transform:rotate(90deg)}
.modal-head{padding:30px 40px 18px;border-bottom:1px solid var(--line)}
.modal-eyebrow{font-family:"Marcellus",serif;font-size:12.5px;letter-spacing:.14em;color:var(--red);margin-bottom:10px}
.modal-title{font-size:23px;font-weight:900;line-height:1.45;color:var(--ink);padding-right:36px}
.modal-body{padding:26px 40px;overflow-y:auto;-webkit-overflow-scrolling:touch}
.modal-body p{font-size:15px;line-height:2;color:var(--ink-soft);margin-bottom:18px}
.modal-body .modal-quote{background:#fbf8f2;border-left:4px solid var(--gold);padding:18px 22px;border-radius:0 6px 6px 0;
  font-weight:600;color:var(--ink)}
.modal-body .modal-source{font-size:12.5px;color:var(--gray-soft);margin-top:8px;margin-bottom:0}
.modal-foot{padding:18px 40px 28px;border-top:1px solid var(--line);display:flex;justify-content:center;background:#fff}
body.modal-open{overflow:hidden}

/* ---------- Video thumbnail (solution) ---------- */
.video-thumb{position:relative;display:block;width:100%;padding:0;border:none;background:#0e0f12;cursor:pointer;overflow:hidden}
.solution-figure .video-thumb img{width:100%;height:auto;aspect-ratio:auto;object-fit:cover;display:block;transition:transform .5s var(--ease),filter .3s var(--ease)}
.video-thumb:hover img{transform:scale(1.03);filter:brightness(1.05)}
.video-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:82px;height:82px;border-radius:50%;
  display:grid;place-items:center;background:linear-gradient(135deg,var(--gold-btn-1),var(--gold-btn-3));color:var(--gold-on);
  box-shadow:0 12px 30px -6px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.5);padding-left:4px;transition:.25s var(--ease)}
.video-play::after{content:"";position:absolute;inset:-10px;border-radius:50%;border:2px solid rgba(255,255,255,.6);opacity:.7;animation:ripple 2s infinite}
@keyframes ripple{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.35);opacity:0}}
.video-thumb:hover .video-play{transform:translate(-50%,-50%) scale(1.08)}
.video-cap{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;color:#fff;font-size:13px;font-weight:700;
  background:linear-gradient(transparent,rgba(14,15,18,.8));text-align:center}

/* ---------- Video modal ---------- */
.video-modal{padding:24px}
.video-dialog{position:relative;width:min(960px,94vw);aspect-ratio:16/9;background:#000;border-radius:12px;overflow:hidden;
  box-shadow:0 50px 90px -30px rgba(0,0,0,.7);animation:modalUp .35s var(--ease)}
.video-frame{position:absolute;inset:0}
.video-frame iframe{width:100%;height:100%;border:0;display:block}
.video-close{position:absolute;top:-46px;right:0;width:40px;height:40px;border:none;background:rgba(255,255,255,.14);color:#fff;
  font-size:24px;line-height:1;border-radius:50%;cursor:pointer;transition:.2s;z-index:2}
.video-close:hover{background:var(--gold);color:var(--gold-on);transform:rotate(90deg)}
@media (max-width:560px){.video-close{top:-44px}}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1024px){
  .hero-title{font-size:48px}
  .problem-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .material-grid{grid-template-columns:repeat(3,1fr)}
  .gallery-grid{grid-template-columns:repeat(3,1fr)}
  .footer-inner{grid-template-columns:1fr}
}
@media (max-width:860px){
  .gnav,.header-cta{display:none}
  .hamburger{display:flex}
  .gnav.open{display:flex;flex-direction:column;gap:0;position:absolute;top:100%;left:0;right:0;background:#fff;box-shadow:0 12px 24px rgba(0,0,0,.12);margin:0;padding:8px 0;border-top:1px solid var(--line)}
  .gnav.open a{padding:15px 24px;border-bottom:1px solid var(--line)}
  .gnav.open a::after{display:none}
  .header-inner{gap:16px}
  .brand-lockup{gap:12px}
  .brand-divider{height:38px}
  .logo-img{height:50px}
  .partner-logo{height:20px}
  .partner-label{font-size:10px}
  .hero-grid{grid-template-columns:1fr;gap:44px;padding:52px 24px 70px}
  .hero-title{font-size:42px}
  .heroB-title{font-size:42px}
  .heroB-stats{gap:26px}
  .heroB-inner{padding:84px 24px}
  .hero-media{order:-1;max-width:520px;margin:0 auto;width:100%}
  .hero-chip{right:8px;top:8px}
  .solution-inner{grid-template-columns:1fr;gap:36px}
  .testimonial{grid-template-columns:1fr}
  .testimonial-photo img{min-height:220px}
  .step-list{grid-template-columns:1fr}
  .sec-title{font-size:30px}
  .cta-band-title{font-size:32px}
  .sticky-cta{display:flex}
  .to-top{bottom:84px}
  body{padding-bottom:0}
}
@media (max-width:560px){
  .section{padding:64px 0}
  .container{padding:0 18px}
  .hero-title{font-size:34px}
  .heroB{min-height:auto}
  .heroB-title{font-size:32px}
  .heroB-lead{font-size:16px}
  .heroB-stats{gap:16px;flex-wrap:wrap}
  .heroB-actions{width:100%}
  .heroB-scroll{display:none}
  .hero-stats{gap:18px}
  .hero-stats strong{font-size:30px}
  .hero-lead{font-size:16px}
  .btn-rich{width:100%}
  .hero-actions{width:100%}
  .btn-ghost{width:100%;justify-content:center}
  .brand-divider,.partner-badge{display:none}
  .problem-grid,.feature-grid,.material-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}
  .g-wide{grid-column:span 2}
  .g-tall{grid-row:span 1}
  .trust-inner{gap:16px}
  .trust-points{gap:12px 18px}
  .testimonial-body{padding:30px 24px}
  .quote-body{font-size:21px}
  .cta-band{padding:72px 0}
  .cta-band-title{font-size:27px}
  .channel{min-width:0;width:100%}
  .cta-band-actions .btn-rich{width:100%}
  .sp-br{display:block}
  .pc-br{display:none}
  .footer-nav{grid-template-columns:repeat(2,1fr)}
  .utility-tag{display:none}
  .modal{padding:0}
  .modal-dialog{max-height:100vh;border-radius:0;border-top:none}
  .modal-head{padding:24px 20px 16px}
  .modal-title{font-size:19px}
  .modal-body{padding:20px}
  .modal-foot{padding:16px 20px 22px}
  .modal-foot .btn-rich{width:100%}
}