/* ===========================================================
   RC TERRA FRAME — Landing Page  /  HIRO KENKOU
   Design system & styles
   =========================================================== */

:root{
  /* Brand */
  --teal-900:#06302f;
  --teal-800:#0a3e3d;
  --teal-700:#004a4c;   /* logo teal */
  --teal-600:#14605d;
  --teal-500:#2c7a75;
  --sage:#7c8a63;       /* building base green */
  --sage-deep:#5f6e4b;

  /* Neutrals (warm concrete) */
  --sand-50:#f8f5ef;
  --sand-100:#f1ece2;
  --sand-200:#e6dfd1;
  --sand-300:#d8cfbd;
  --paper:#ffffff;

  --ink:#1c2522;
  --ink-soft:#52605c;
  --ink-faint:#8a958f;
  --line:rgba(6,48,47,.12);
  --line-strong:rgba(6,48,47,.22);

  --hiro-red:#7d1522;

  /* Type */
  --f-en:'Marcellus',serif;
  --f-num:'Shippori Mincho B1','Zen Old Mincho',serif;
  --f-min:'Zen Old Mincho',serif;
  --f-go:'Zen Kaku Gothic New',sans-serif;

  --shadow-sm:0 1px 3px rgba(6,48,47,.08), 0 10px 30px -18px rgba(6,48,47,.22);
  --shadow-md:0 6px 24px -10px rgba(6,48,47,.22), 0 30px 60px -30px rgba(6,48,47,.30);

  --maxw:1200px;
  --header-h:74px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:clip}
body{
  font-family:var(--f-go);
  color:var(--ink);
  background:var(--sand-50);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:clip;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
section{position:relative}

/* ---------- Shared typography ---------- */
.en-label{
  font-family:var(--f-en);
  letter-spacing:.32em;
  text-transform:uppercase;
  color:var(--teal-700);
  font-size:13px;
  display:inline-flex;
  align-items:center;
  gap:.85em;
}
.en-label::before{
  content:"";width:34px;height:1px;background:var(--teal-700);opacity:.55;
}
.en-label.center{justify-content:center}
.en-label.center::after{content:"";width:34px;height:1px;background:var(--teal-700);opacity:.55}

.sec-head{text-align:center;margin-bottom:58px}
.sec-head h2{
  font-family:var(--f-min);
  font-weight:600;
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.45;
  letter-spacing:.04em;
  margin-top:22px;
  color:var(--ink);
}
.sec-head h2 .accent{color:var(--teal-700)}
.sec-head p{
  margin-top:20px;color:var(--ink-soft);font-size:15.5px;
  max-width:640px;margin-left:auto;margin-right:auto;
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.7em;
  font-family:var(--f-go);font-weight:700;font-size:15px;letter-spacing:.06em;
  padding:17px 34px;border-radius:2px;transition:.35s cubic-bezier(.2,.7,.2,1);
  position:relative;
}
.btn .arr{transition:transform .35s}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--teal-700);color:#fff;box-shadow:0 12px 30px -14px rgba(0,74,76,.7)}
.btn-primary:hover{background:var(--teal-800);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--teal-700);border:1px solid var(--line-strong)}
.btn-ghost:hover{background:var(--paper);border-color:var(--teal-700);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--teal-700)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 36px -16px rgba(0,0,0,.5)}

/* ============ HEADER ============ */
.header{
  position:fixed;top:0;left:0;width:100%;height:var(--header-h);z-index:100;
  display:flex;align-items:center;
  background:transparent;
  transition:box-shadow .5s ease, background .5s ease, backdrop-filter .5s ease;
}
/* dark scrim layer for sunset/night hero frames — opacity fades smoothly, no hard edge */
.header::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,40,40,.6) 0%,rgba(6,40,40,.28) 55%,rgba(6,40,40,0) 100%);
  opacity:0;transition:opacity 2.6s ease;
}
.header:not(.scrolled).on-dark::before{opacity:1}
.header .wrap{position:relative;z-index:1}
.header.scrolled{
  box-shadow:0 1px 0 var(--line),0 12px 30px -24px rgba(6,48,47,.5);
  background:rgba(248,245,239,.94);
  backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
}
.header:not(.scrolled) .nav a{color:var(--ink)}
.header:not(.scrolled) .nav a .en{color:var(--teal-700);opacity:.85}
.header:not(.scrolled) .nav .cta{color:#fff}
/* hero on dark (sunset/night) frames */
.header:not(.scrolled).on-dark .nav a{color:#fff !important}
.header:not(.scrolled).on-dark .nav a .jp{color:#fff !important}
.header:not(.scrolled).on-dark .nav a .en{color:#cde0a8 !important;opacity:.9}
.header:not(.scrolled).on-dark .brand .prod{color:#fff !important}
.header:not(.scrolled).on-dark .brand .prod small{color:rgba(255,255,255,.72) !important}
.header:not(.scrolled).on-dark .brand .divider{background:rgba(255,255,255,.4)}
.header:not(.scrolled).on-dark .brand .hiro{filter:brightness(0) invert(1)}
.header:not(.scrolled).on-dark .burger span{background:#fff}
.header .wrap{display:flex;align-items:center;justify-content:space-between;max-width:1320px}
.brand{display:flex;align-items:center;gap:14px}
.brand .hiro{height:30px;width:auto}
.brand .divider{width:1px;height:26px;background:var(--line-strong)}
.brand .prod{font-family:var(--f-en);letter-spacing:.18em;font-size:14px;color:var(--teal-700);white-space:nowrap;transition:color 1.2s ease}
.brand .hiro{transition:filter 1.2s ease}
.brand .prod small{display:block;font-family:var(--f-go);letter-spacing:.24em;font-size:8.5px;color:var(--ink-faint);margin-top:2px}

.nav{display:flex;align-items:center;gap:26px}
.nav a{
  font-size:13px;letter-spacing:.08em;color:var(--ink-soft);font-weight:500;position:relative;padding:6px 0;
  transition:.25s;
}
.nav a .en{font-family:var(--f-en);display:block;font-size:11px;letter-spacing:.18em;color:var(--teal-600);text-transform:uppercase;opacity:.7;line-height:1}
.nav a .jp{display:block;line-height:1.3;margin-top:3px}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1.5px;background:var(--teal-700);transition:width .3s}
.nav a:hover{color:var(--teal-700)}
.nav a:hover::after{width:100%}
.nav .cta{
  background:var(--teal-700);color:#fff;padding:11px 22px;border-radius:2px;font-weight:700;letter-spacing:.06em;
  font-size:13px;transition:.3s;position:relative;overflow:hidden;
}
.nav .cta:hover{background:var(--teal-800)}
.nav a.cta:hover{color:#fff}
.nav .cta::after{display:none}
.nav .cta>span{position:relative;z-index:1}
.nav .cta::before{
  content:"";position:absolute;top:0;bottom:0;left:0;width:40%;z-index:0;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);
  transform:translateX(-180%) skewX(-18deg);
  animation:ctaShine 4.5s ease-in-out infinite;pointer-events:none;
}
@keyframes ctaShine{0%,72%{transform:translateX(-180%) skewX(-18deg)}88%,100%{transform:translateX(420%) skewX(-18deg)}}

.burger{display:none;flex-direction:column;gap:5px;padding:8px;z-index:120}
.cta-mobile{display:none;align-items:center;justify-content:center;background:var(--teal-700);color:#fff;font-weight:700;font-size:12px;letter-spacing:.02em;line-height:1.2;text-align:center;padding:9px 13px;border-radius:3px;margin-left:auto}
.burger span{width:24px;height:2px;background:var(--ink);transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ HERO ============ */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;background:#eef2f2;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:76% 44%;z-index:0;opacity:0;transition:opacity 2.8s ease-in-out}
.hero-bg-img.active{opacity:1}
.hero-scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(98deg, rgba(245,247,246,.96) 0%, rgba(245,247,246,.86) 24%, rgba(245,247,246,.5) 44%, rgba(245,247,246,0) 62%)}
.hero-deco{position:absolute;z-index:2;width:118px;height:118px;pointer-events:none}
.deco-tr{top:24px;right:24px;border-top:1.5px solid rgba(13,62,61,.4);border-right:1.5px solid rgba(13,62,61,.4)}
.deco-bl{left:24px;bottom:158px;border-bottom:1.5px solid rgba(13,62,61,.4);border-left:1.5px solid rgba(13,62,61,.4)}
.hero-content{position:relative;z-index:3;flex:1;display:flex;align-items:center;padding-top:var(--header-h)}
.hero-content-inner{max-width:1320px;width:100%;margin:0 auto;padding:0 56px}
.hero-text{max-width:600px}
.hero-logo{width:min(440px,82%);height:auto;display:block;margin-bottom:32px}
.hero-catch{font-family:var(--f-min);font-weight:600;font-size:clamp(23px,3vw,39px);line-height:1.9;letter-spacing:.06em;color:var(--teal-800)}
.hc-line{display:block;white-space:nowrap}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:40px}
.hero-ghost{background:rgba(255,255,255,.74);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-color:rgba(0,74,76,.28)}
.hero-ghost:hover{background:#fff}

.hero-bar{position:relative;z-index:3;background:var(--teal-800);color:#fff}
.hero-bar-inner{display:flex;align-items:center;justify-content:center;padding:18px 32px;max-width:1320px}
.hero-bar-catch{display:flex;align-items:baseline;justify-content:center;gap:18px;flex-wrap:wrap;text-align:center;margin:0}
.hero-bar-catch .hbc-lead{font-family:var(--f-min);font-size:clamp(15px,1.5vw,19px);font-weight:600;letter-spacing:.1em;color:#cde0a8}
.hero-bar-catch .hbc-main{font-family:var(--f-min);font-size:clamp(20px,2.4vw,30px);font-weight:700;letter-spacing:.08em;color:#fff}
.hero-bar-catch .hbc-main em{font-style:normal;color:#cde0a8;font-size:1.32em;margin:0 .04em}
.hb-stat{flex:0 0 auto;padding:0 30px;border-left:1px solid rgba(255,255,255,.16);display:flex;align-items:baseline;gap:13px;white-space:nowrap}
.hb-stat:first-child{border-left:none;padding-left:0}
.hb-stat .lab{font-size:12.5px;font-weight:700;letter-spacing:.04em;opacity:.85;flex-shrink:0}
.hb-stat .lab i{margin-right:9px;color:#cde0a8;opacity:.95;font-size:25px;vertical-align:-2px}
.hb-stat .num{font-family:var(--f-num);font-weight:600;font-size:54px;line-height:1.2;padding-bottom:2px;position:relative;top:3px;color:#cde0a8;background:linear-gradient(105deg,#cde0a8 0%,#cde0a8 42%,#ffffff 50%,#f2fadf 56%,#cde0a8 64%,#cde0a8 100%);background-size:280% 100%;background-position:130% 0;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 3px 12px rgba(224,196,74,.55);animation:numShine 2.6s linear infinite}
.hb-stat:nth-child(2) .num{animation-delay:.5s}
.hb-stat:nth-child(3) .num{animation-delay:1s}
@keyframes numShine{0%{background-position:180% 0}100%{background-position:-80% 0}}
.hb-stat .num small{font-family:var(--f-go);font-size:16px;font-weight:700;margin-left:2px;color:#fff;-webkit-text-fill-color:#fff;opacity:.85}
.hb-cta{flex:0 0 auto;border-left:none;text-align:right;padding-right:0}
.hb-link{font-size:14px;font-weight:700;letter-spacing:.04em;color:#fff;display:inline-flex;align-items:center;gap:.5em;transition:.25s}
.hb-link .arr{transition:transform .3s}
.hb-link:hover{color:#cde0a8}
.hb-link:hover .arr{transform:translateY(3px)}

/* ============ CONCEPT ============ */
.concept{background:var(--sand-50)}
.concept-2col{display:grid;grid-template-columns:38% 62%;align-items:stretch;max-width:none;margin:0}
.concept-visual{position:relative;line-height:0;overflow:hidden;-webkit-mask-image:linear-gradient(to right,#000 80%,transparent 100%);mask-image:linear-gradient(to right,#000 80%,transparent 100%)}
.concept-visual img{width:100%;height:100%;object-fit:cover;min-height:560px}
.concept-text{padding:clamp(48px,5.5vw,96px) clamp(28px,5vw,84px);align-self:center;position:relative;overflow:hidden}
.concept-text::after{content:"";position:absolute;right:0;bottom:0;width:440px;height:440px;background:url('./concept-illust.webp') right bottom/contain no-repeat;opacity:.2;mix-blend-mode:multiply;pointer-events:none;z-index:0}
.concept-text>*{position:relative;z-index:1}
.concept-text .deco-tr{position:absolute;top:24px;right:24px;z-index:2}
.concept-text .deco-bl{position:absolute;bottom:24px;left:24px;top:auto;z-index:2}
.concept-lead{
  font-family:var(--f-min);font-weight:600;font-size:clamp(20px,2.3vw,28px);
  line-height:2.05;letter-spacing:.045em;color:var(--ink);margin-top:24px;text-wrap:pretty;
}
.concept-lead .em{color:var(--teal-700);font-size:1.22em;font-weight:700}
.concept-rule{width:46px;height:1px;background:var(--line-strong);margin:34px 0}
.concept-body p{
  font-size:15px;line-height:2.15;color:var(--ink-soft);letter-spacing:.01em;white-space:nowrap;
}
.concept-body p + p{margin-top:6px}
.concept-closing{
  font-family:var(--f-min);font-weight:500;font-size:clamp(17px,1.8vw,21px);
  line-height:2.1;letter-spacing:.045em;color:var(--teal-700);margin-top:34px;text-wrap:pretty;
}

/* ============ MERIT ============ */
/* ============ PHOTO MARQUEE ============ */
.photo-strip{overflow:hidden;background:var(--sand-100);width:100%}
.photo-track{display:flex;width:max-content;animation:photoStrip 48s linear infinite}
.photo-track img{width:280px;height:280px;object-fit:cover;display:block;flex:0 0 auto;margin-right:12px}
@keyframes photoStrip{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.photo-strip:hover .photo-track{animation-play-state:paused}

.worry{padding:74px 0 38px;background:var(--sand-50)}
.worry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:6px}
.worry-card{
  background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:30px 28px;
  display:flex;flex-direction:row;align-items:center;gap:22px;position:relative;overflow:hidden;
  box-shadow:var(--shadow-sm);transition-duration:.35s;
}
.worry-card::after{content:none}
.worry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(0,74,76,.2)}
.wc-no{display:none}
.wc-icon{flex:0 0 auto}
.wc-icon{width:96px;height:96px;border-radius:50%;background:var(--sand-100);display:flex;align-items:center;justify-content:center;color:var(--teal-700);transition:.35s}
.worry-card:hover .wc-icon{background:var(--sand-100);color:var(--teal-700)}
.wc-icon svg{width:27px;height:27px}
.wc-ic{display:block;width:56px;height:56px;object-fit:contain}
.wc-txt{font-family:var(--f-min);font-size:17px;font-weight:600;line-height:1.7;letter-spacing:.02em;color:var(--ink);position:relative;z-index:1}
.worry-bridge{margin-top:56px;text-align:center}
.worry-bridge p{font-family:var(--f-min);font-size:clamp(19px,2.2vw,27px);font-weight:600;letter-spacing:.03em;color:var(--ink);line-height:1.7}
.worry-bridge strong{color:var(--teal-700);font-weight:700;box-shadow:inset 0 -.4em 0 rgba(124,138,99,.32)}
.wb-arrow{display:inline-block;margin-top:14px;color:var(--sage);font-size:22px;animation:wbbob 1.8s ease-in-out infinite}
@keyframes wbbob{0%,100%{transform:translateY(0)}50%{transform:translateY(7px)}}

/* ============ MERIT ============ */
.merit{background:var(--sand-100)}
.merit-layout{display:grid;grid-template-columns:46% 54%;align-items:start}

/* left : sticky */
.merit-aside{position:sticky;top:var(--header-h);height:calc(100vh - var(--header-h));overflow:hidden;display:flex;align-items:center}
.merit-aside-bg{position:absolute;inset:0;z-index:0;background:url('./merit-bg.webp') center/cover}
.merit-aside-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(155deg,rgba(6,48,47,.86),rgba(10,62,61,.78) 52%,rgba(20,96,93,.68))}
.merit-aside-inner{position:relative;z-index:1;color:#fff;padding:0 clamp(28px,4.4vw,72px);max-width:564px}
.en-label.light{color:#cde0a8}
.en-label.light::before{background:#cde0a8;opacity:.7}
.merit-h2{font-family:var(--f-min);font-weight:600;font-size:clamp(25px,2.6vw,37px);line-height:1.58;letter-spacing:.04em;margin:22px 0 20px}
.merit-h2 .accent{color:var(--teal-700)}
.merit-lead{font-size:15px;line-height:2;color:var(--ink-soft);margin-bottom:0;max-width:540px}
.merit-nav{display:flex;flex-direction:column;gap:3px}
.mn-item{display:flex;align-items:center;gap:16px;padding:15px 18px;border-radius:3px;border:1px solid transparent;transition:.3s}
.mn-item .mn-no{font-family:var(--f-num);font-weight:600;font-size:22px;color:rgba(255,255,255,.5);line-height:1;transition:.3s}
.mn-item .mn-tx{flex:1;font-size:15.5px;font-weight:500;letter-spacing:.04em;color:rgba(255,255,255,.78);transition:.3s}
.mn-item .mn-arr{opacity:0;transform:translateX(-6px);transition:.3s;color:#cde0a8;font-size:14px}
.mn-item:hover{background:rgba(255,255,255,.06)}
.mn-item:hover .mn-tx{color:#fff}
.mn-item.active{background:rgba(205,224,168,.14);border-color:rgba(205,224,168,.38)}
.mn-item.active .mn-no{color:#cde0a8}
.mn-item.active .mn-tx{color:#fff;font-weight:700}
.mn-item.active .mn-arr{opacity:1;transform:none}

/* right : scrolling detail */
.merit-detail{position:relative;background:#e8e6df url('./concrete-texture.webp') center center/cover fixed;border-right:1px solid var(--line)}
.merit-detail::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(245,243,237,.66),rgba(245,243,237,.74));z-index:0;pointer-events:none}
.merit-detail-inner{position:relative;z-index:1}
.merit-head{padding:90px clamp(28px,5vw,80px) 4px}
.merit-visual{position:sticky;top:var(--header-h);height:calc(100vh - var(--header-h));align-self:start;overflow:hidden}
.mv-stack{position:relative;width:100%;height:100%}
.mv-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .8s ease}
.mv-img.active{opacity:1}
.merit-panel{min-height:calc(100vh - var(--header-h));display:flex;flex-direction:column;justify-content:center;padding:84px clamp(28px,5vw,80px);border-bottom:1px solid var(--line);scroll-margin-top:var(--header-h)}
.merit-panel:last-child{border-bottom:none}
.mp-head{display:flex;align-items:center;gap:24px;margin-bottom:22px}
.mp-figure{display:none;margin-bottom:30px;border-radius:5px;overflow:hidden;box-shadow:var(--shadow-md);line-height:0}
.mp-figure img{width:100%;height:300px;object-fit:cover;display:block}
.mp-no{font-family:'Shippori Mincho B1',var(--f-min);font-weight:800;font-size:clamp(54px,7vw,84px);line-height:.9;color:var(--sage);flex-shrink:0}
.mp-ttl .mp-en{font-family:var(--f-en);letter-spacing:.2em;font-size:12px;color:var(--teal-600);text-transform:uppercase}
.mp-ttl h3{font-family:'Shippori Mincho B1',var(--f-min);font-weight:800;font-size:clamp(27px,3.3vw,40px);letter-spacing:.04em;margin-top:2px;line-height:1.2}
.mp-paren{font-size:.48em;color:var(--ink-soft);font-weight:500}
.mp-sub{font-size:15.5px;color:var(--ink-soft);line-height:1.95;margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--line);text-wrap:pretty}
.point{display:flex;gap:14px;padding:14px 0}
.point + .point{border-top:1px dashed var(--line)}
/* seven No.1 list (merit 04) */
.seven-em{color:var(--teal-700)}
.seven-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0}
.seven-list li{display:flex;align-items:flex-start;gap:14px;padding:14px 0}
.seven-list li + li{border-top:1px dashed var(--line)}
.seven-list .sv-ico{flex:0 0 auto;width:46px;height:44px;background:var(--teal-700);display:flex;align-items:center;justify-content:center;padding-top:7px;font-family:var(--f-num);font-weight:700;font-size:18px;line-height:1;color:#fff;clip-path:polygon(50% 0, 100% 38%, 100% 100%, 0 100%, 0 38%)}
.seven-list .sv-tx{flex:1}
.seven-list .sv-tx b{display:flex;flex-direction:column;align-items:flex-start;gap:2px;font-weight:700;color:var(--ink);letter-spacing:.02em}
.seven-list .sv-tx b .sv-cat{font-family:'Shippori Mincho B1',var(--f-min);font-size:30px;font-weight:800;color:#1a1a1a;line-height:1.2}
.seven-list .sv-tx b .sv-catsub{font-family:var(--f-go);font-size:14px;font-weight:700;color:var(--teal-700)}
.seven-list .sv-tx span{display:block;font-size:13px;color:var(--ink-soft);margin-top:4px;line-height:1.7}
.point .pno{
  flex-shrink:0;width:46px;height:46px;border-radius:999px;background:var(--teal-700);
  display:flex;align-items:center;justify-content:center;font-size:0;
}
.point .pno::before{font-family:"Font Awesome 6 Free";font-weight:900;content:"\f015";font-size:19px;color:#fff;line-height:1}
.point .pno b{display:none}
.point .ptxt b{display:block;font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.02em}
.point .ptxt span{display:block;font-size:13px;color:var(--ink-soft);margin-top:3px;line-height:1.65}
.merit-stat{margin-top:24px;display:flex;align-items:baseline;justify-content:space-between;background:var(--sand-50);border-radius:3px;border-bottom:2px solid var(--teal-700);padding:14px 20px}
.merit-stat .ms-lab{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.04em}
.merit-stat .ms-val{font-family:var(--f-num);font-weight:600;font-size:60px;color:var(--teal-700);line-height:1.15}
.merit-stat .ms-val small{font-family:var(--f-go);font-size:18px;font-weight:700;margin-left:2px}

/* durability comparison band */
.merit-durab-wrap{padding:96px 32px 112px}
.durab{margin-top:0;background:var(--teal-800);border-radius:4px;padding:48px 44px;color:#fff;position:relative;overflow:hidden}
.durab::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border:1px solid rgba(255,255,255,.12);border-radius:50%}
.durab .d-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.durab .d-head h3{font-family:var(--f-min);font-weight:600;font-size:24px;letter-spacing:.03em}
.durab .d-head .d-en{font-family:var(--f-en);letter-spacing:.24em;font-size:11px;opacity:.6;text-transform:uppercase;margin-bottom:8px}
.durab .d-note{font-size:12.5px;opacity:.7}
.bars{display:grid;gap:18px}
.bar-row{display:grid;grid-template-columns:130px 1fr auto;align-items:center;gap:20px}
.bar-row .b-name{font-size:14px;letter-spacing:.04em}
.bar-row .b-name small{display:block;font-size:11px;opacity:.55;font-family:var(--f-en);letter-spacing:.15em}
.bar-track{height:34px;background:rgba(255,255,255,.1);border-radius:2px;overflow:hidden;position:relative}
.bar-fill{height:100%;border-radius:2px;background:rgba(255,255,255,.32);width:0;transition:width 1.1s cubic-bezier(.2,.7,.2,1)}
.bar-row.lead .bar-fill{background:linear-gradient(90deg,var(--sage),#9aab78);position:relative;overflow:hidden}
.bar-row.lead .bar-fill::after{content:"";position:absolute;top:0;bottom:0;left:0;width:55%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.6),transparent);transform:translateX(-130%);animation:gaugeShine 3s ease-in-out 1.4s infinite;pointer-events:none}
@keyframes gaugeShine{0%{transform:translateX(-130%)}55%,100%{transform:translateX(340%)}}
.bar-row .b-val{font-family:var(--f-num);font-weight:600;font-size:30px;line-height:1;white-space:nowrap}
.bar-row .b-val small{font-family:var(--f-go);font-size:13px;font-weight:700;margin-left:2px}
.bar-row.lead .b-val{font-size:62px;color:#cde0a8}

/* ============ SEVEN No.1 ============ */
.seven{padding:104px 0 108px;background:linear-gradient(180deg,var(--sand-100),var(--sand-50))}
.seven-hero-band{max-width:760px;margin:0 auto 44px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:22px;box-shadow:var(--shadow-md);line-height:0}
.seven-hero-band img{width:100%;height:auto;display:block;border-radius:3px}
.seven-grid{display:flex;flex-direction:column;gap:24px}
.seven-row{display:flex;gap:24px}
.seven-row-top>.sv-card{flex:1 1 0;min-width:0}
.seven-row-bottom{justify-content:center;overflow:visible}
.seven-row-bottom>.sv-card{flex:0 0 calc((100% - 150px)/3);min-width:0}
.sv-card{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:6px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.35s;display:flex;flex-direction:column}
.sv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.sv-head{display:flex;align-items:center;gap:14px;padding:22px 24px 16px}
.sv-head .sv-ico{flex:0 0 auto;width:56px;height:53px;background:var(--teal-700);display:flex;align-items:center;justify-content:center;padding-top:8px;font-family:var(--f-num);font-weight:700;font-size:24px;line-height:1;color:#fff;clip-path:polygon(50% 0, 100% 38%, 100% 100%, 0 100%, 0 38%)}
.sv-head b{display:flex;flex-direction:column;align-items:flex-start;gap:2px;font-weight:700}
.sv-head b .sv-cat{font-family:'Shippori Mincho B1',var(--f-min);font-size:28px;font-weight:800;color:#1a1a1a;line-height:1.2}
.sv-head b .sv-catsub{font-family:var(--f-go);font-size:13px;font-weight:700;color:var(--teal-700)}
.sv-fig{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);height:190px;display:flex;align-items:center;justify-content:center;padding:16px}
.sv-fig img{max-width:100%;max-height:100%;object-fit:contain;display:block;cursor:zoom-in}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:2000;display:none;align-items:center;justify-content:center;padding:32px;background:rgba(6,32,31,.86);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.lightbox.open{display:flex}
.lightbox .lb-img{max-width:94vw;max-height:90vh;width:auto;height:auto;background:#fff;border-radius:6px;padding:18px;box-shadow:0 30px 80px -20px rgba(0,0,0,.6);animation:lbIn .28s cubic-bezier(.2,.7,.2,1)}
@keyframes lbIn{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
.lb-close{position:fixed;top:20px;right:26px;z-index:2001;width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:30px;line-height:1;display:flex;align-items:center;justify-content:center;transition:.25s}
.lb-close:hover{background:rgba(255,255,255,.28)}
.sv-card .sv-tx{flex:1;padding:20px 24px 26px}
.sv-card .sv-tx>span{display:block;font-size:13px;color:var(--ink-soft);line-height:1.8}
.sv-secret{display:block;width:fit-content;margin:10px 0 2px;padding:2px 10px;background:var(--teal-700);color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em;border-radius:3px}
.sv-subnote{display:block;margin-top:7px;font-size:12.5px;font-weight:400;color:var(--ink-soft)}

/* ============ FEATURES (構造の特徴) ============ */
.features{padding:8px 0 100px;background:var(--sand-50)}
.features-grid{margin-top:54px}
.features-head{margin-bottom:54px}
.fe-label{display:flex;align-items:baseline;gap:18px;margin-bottom:22px}
.fe-en{font-family:var(--f-go);font-weight:700;font-size:clamp(34px,5vw,62px);letter-spacing:.02em;color:var(--ink);line-height:1}
.fe-jp{font-size:15px;color:var(--ink-soft);letter-spacing:.1em}
.features-h2{font-family:var(--f-go);font-weight:700;font-size:clamp(27px,3.7vw,48px);letter-spacing:.01em;color:var(--ink);line-height:1.35}
.features-h2 .accent{color:var(--teal-700)}
.features-sub{margin-top:18px;font-size:15.5px;color:var(--ink-soft);line-height:1.9;max-width:780px}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.fe-card{display:flex;flex-direction:column}
.fe-circle{width:100%;max-width:260px;aspect-ratio:1;margin:0 auto 22px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;color:var(--teal-700)}
.fe-circle svg{width:48%;height:48%}
.fe-circle img{width:64%;height:64%;object-fit:contain;display:block}
.fe-circle .fe-ic{display:block;width:62%;height:62%;background:var(--teal-700);-webkit-mask:var(--i) center/contain no-repeat;mask:var(--i) center/contain no-repeat}
.fe-bar{background:var(--teal-800);color:#fff;text-align:center;padding:15px 14px;font-family:var(--f-min);font-weight:600;font-size:clamp(16px,1.4vw,20px);letter-spacing:.05em;border-radius:2px;line-height:1.5;display:flex;align-items:center;justify-content:center;min-height:84px}
.fe-body{margin-top:18px;font-size:14px;line-height:2;color:var(--ink-soft);text-wrap:pretty}
_::-webkit-full-page-media, 
_:future, :root .fe-body{text-wrap:wrap}
.fe-body b{color:var(--teal-700);font-weight:700}

/* ============ SIMULATION ============ */
.sim{padding:118px 0 110px;background:var(--sand-100)}
.sim-board{
  background:var(--paper);border-radius:6px;box-shadow:var(--shadow-md);overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr;
}
.sim-col{padding:44px 42px}
.sim-col.win{background:var(--teal-700);color:#fff}
.sim-col.base{background:var(--sand-50)}
.sim-col .sc-tag{font-family:var(--f-en);letter-spacing:.2em;font-size:10px;text-transform:uppercase;opacity:.7;margin-bottom:10px}
.sim-col .sc-name{font-family:var(--f-min);font-size:22px;font-weight:600;letter-spacing:.03em;margin-bottom:30px}
.sim-col.base .sc-name{color:var(--ink)}
.sim-metric{margin-bottom:26px}
.sim-metric .m-lab{font-size:12px;letter-spacing:.05em;opacity:.8;margin-bottom:8px}
.sim-col.base .m-lab{color:var(--ink-soft);opacity:1}
.sim-metric .m-big{font-family:var(--f-num);font-weight:600;font-size:54px;line-height:.95}
.sim-col.base .m-big{color:var(--ink)}
.sim-metric .m-big small{font-family:var(--f-go);font-size:18px;font-weight:700;margin-left:3px}
.occ-track{height:12px;border-radius:999px;background:rgba(255,255,255,.18);overflow:hidden;margin-top:12px}
.sim-col.base .occ-track{background:var(--sand-200)}
.occ-fill{height:100%;border-radius:999px;width:0;transition:width 1.2s cubic-bezier(.2,.7,.2,1)}
.sim-col.win .occ-fill{background:linear-gradient(90deg,#9aab78,#cde0a8);position:relative;overflow:hidden}
.sim-col.win .occ-fill::after{content:"";position:absolute;top:0;bottom:0;left:0;width:55%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.7),transparent);transform:translateX(-130%);animation:gaugeShine 3s ease-in-out 1.4s infinite;pointer-events:none}
.sim-col.base .occ-fill{background:var(--ink-faint)}
.sim-foot{
  grid-column:1/-1;background:var(--teal-900);color:#fff;padding:38px 42px;
  display:flex;align-items:center;justify-content:flex-end;gap:28px;flex-wrap:wrap;
}
.sim-foot .sf-lab{font-size:18px;letter-spacing:.04em;text-align:right;line-height:1.55}
.sim-foot .sf-lab b{color:#cde0a8;font-size:1.3em}
.sim-foot .sf-yrs{display:inline-block;margin-top:8px;font-size:12px;font-weight:700;letter-spacing:.06em;color:#cde0a8;background:rgba(205,224,168,.14);border:1px solid rgba(205,224,168,.35);border-radius:3px;padding:3px 10px}
.sim-foot .sf-val{font-family:var(--f-num);font-weight:600;font-size:clamp(44px,6vw,72px);line-height:.9;color:#fff}
.sim-foot .sf-val .plus{color:#cde0a8}
.sf-digit{display:inline-block;min-width:.5em;text-align:center;letter-spacing:-.01em}
.sf-comma{display:inline-block;margin:0 -.04em}
.sim-foot .sf-val small{font-family:var(--f-go);font-size:22px;font-weight:700;margin-left:4px}
.sim-disc{margin-top:26px;max-width:920px;margin-left:auto;margin-right:auto}
.sim-disc p{font-size:13px;line-height:1.95;color:var(--ink-soft);text-align:left;text-indent:-1em;padding-left:1em}
.sim-disc p + p{margin-top:7px}
.note-mark{font-size:.5em;vertical-align:super;margin-left:1px;font-weight:700;font-family:var(--f-go)}

/* ============ DESIGN (variations) ============ */
.design{padding:118px 0 110px;background:var(--sand-50)}
.dv{margin-top:8px}
.dv-tabs{display:flex;gap:0;justify-content:center;margin-bottom:34px}
.dv-tab{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:14px 40px;border-bottom:2px solid var(--line);color:var(--ink-faint);transition:.3s;background:none;
}
.dv-tab .dv-tab-jp{font-family:var(--f-min);font-size:19px;font-weight:600;letter-spacing:.05em;white-space:nowrap}
.dv-tab .dv-tab-en{font-family:var(--f-en);font-size:10px;letter-spacing:.22em;text-transform:uppercase;opacity:.7}
.dv-tab.active{color:var(--teal-700);border-bottom-color:var(--teal-700)}
.dv-tab:hover{color:var(--teal-600)}
.dv-body{display:grid;grid-template-columns:1fr 300px;gap:0;border-radius:6px;overflow:hidden;box-shadow:var(--shadow-md);background:var(--paper)}
.dv-stage{position:relative;background:#dfe4e4;min-height:480px;overflow:hidden}
.dv-main{width:100%;height:100%;object-fit:cover;display:block;position:absolute;inset:0;animation:dvFade .5s ease}
@keyframes dvFade{from{opacity:.3}to{opacity:1}}
.dv-cap{position:absolute;left:0;bottom:0;background:linear-gradient(90deg,rgba(6,48,47,.82),rgba(6,48,47,0));padding:34px 30px 22px;color:#fff;display:flex;flex-direction:column;gap:3px;width:70%}
.dv-cap-ver{font-family:var(--f-min);font-size:21px;font-weight:600;letter-spacing:.04em}
.dv-cap-spec{font-size:13px;letter-spacing:.08em;opacity:.85}
.dv-panel{padding:38px 32px;display:flex;flex-direction:column;justify-content:center;gap:26px;background:var(--sand-50);border-left:1px solid var(--line)}
.dv-row{display:flex;flex-direction:column;gap:13px}
.dv-row-label{font-family:var(--f-en);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal-700)}
.dv-floors{display:flex;gap:10px}
.dv-floor{flex:1;padding:13px 0;border:1px solid var(--line-strong);border-radius:3px;font-family:var(--f-min);font-size:16px;font-weight:600;color:var(--ink-soft);text-align: center;background:#fff;transition:.25s}
.dv-floor.active{background:var(--teal-700);color:#fff;border-color:var(--teal-700)}
.dv-floor:hover:not(.active){border-color:var(--teal-700);color:var(--teal-700)}
.dv-colors{display:flex;gap:14px;flex-wrap:wrap}
.dv-color{display:flex;flex-direction:column;align-items:center;gap:7px;background:none;transition:.25s}
.dv-sw{width:46px;height:46px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line-strong);transition:.25s}
.dv-color.active .dv-sw{box-shadow:0 0 0 2px var(--teal-700);transform:scale(1.05)}
.dv-color .dv-cname{font-size:11px;letter-spacing:.04em;color:var(--ink-soft);transition:.25s}
.dv-color.active .dv-cname{color:var(--teal-700);font-weight:700}
.dv-color:hover .dv-sw{transform:scale(1.08)}
.dv-note{font-size:11px;color:var(--ink-faint);line-height:1.7;margin-top:2px}

/* placeholder */
.ph{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:repeating-linear-gradient(45deg,var(--sand-100),var(--sand-100) 14px,var(--sand-200) 14px,var(--sand-200) 28px);
  color:var(--ink-faint);text-align:center;
}
.ph svg{width:32px;height:32px;opacity:.45}
.ph .pt{font-size:11.5px;letter-spacing:.12em;font-family:var(--f-en);text-transform:uppercase}

/* ============ PLAN (horizontal scroll) ============ */
.plan{padding:118px 0 110px;background:linear-gradient(180deg,var(--sand-100),var(--sand-50));overflow:hidden}
.plan-stage{position:relative;margin-top:48px}
.plan-scroller{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;gap:0;scrollbar-width:none;-ms-overflow-style:none}
.plan-scroller::-webkit-scrollbar{display:none}
.plan-slide{
  flex:0 0 100%;width:100%;scroll-snap-align:start;
  display:flex;flex-direction:column;
  padding:0 32px;
}
.plan-slide>.ps-visual,.plan-slide>.ps-info{max-width:var(--maxw);margin-left:auto;margin-right:auto;width:100%}
.ps-visual{background:#fff;border:1px solid var(--line);border-radius:6px 6px 0 0;overflow:hidden;box-shadow:var(--shadow-md);padding:30px;display:flex;align-items:center;justify-content:center}
.ps-visual img{width:100%;height:auto;max-height:470px;object-fit:contain;display:block}
.ps-visual .ph{width:100%;min-height:300px}
.ps-info{background:var(--paper);border:1px solid var(--line);border-top:none;border-radius:0 0 6px 6px;padding:38px 48px;display:grid;grid-template-columns:1.5fr 1fr;gap:8px 56px;align-items:start}
.ps-no{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}
.ps-no .ps-cur{font-family:var(--f-num);font-size:40px;font-weight:600;color:var(--teal-700);line-height:1}
.ps-no .ps-tot{font-family:var(--f-num);font-size:17px;color:var(--ink-faint)}
.ps-tag{font-family:var(--f-en);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--sage-deep);grid-column:1}
.ps-info h3{font-family:var(--f-min);font-size:27px;font-weight:700;letter-spacing:.03em;margin:4px 0 14px;grid-column:1}
.ps-info p{font-size:14px;color:var(--ink-soft);line-height:1.95;margin:0;grid-column:1}
.ps-no{grid-column:1}
.ps-spec{list-style:none;display:flex;flex-direction:column;gap:0;grid-column:2;grid-row:1 / span 4;align-self:center}
.ps-spec li{display:flex;justify-content:space-between;align-items:baseline;padding:13px 0;border-top:1px solid var(--line)}
.ps-spec li:last-child{border-bottom:1px solid var(--line)}
.ps-spec li span{font-size:13px;color:var(--ink-soft);letter-spacing:.04em}
.ps-spec li b{font-family:var(--f-min);font-size:16px;font-weight:600;color:var(--ink)}
.plan-nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:54px;height:54px;border-radius:50%;
  background:var(--teal-700);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;
  box-shadow:var(--shadow-md);transition:.25s;
}
.plan-nav:hover{background:var(--teal-800);transform:translateY(-50%) scale(1.06)}
.plan-nav.prev{left:max(20px,calc((100vw - var(--maxw))/2 - 6px))}
.plan-nav.next{right:max(20px,calc((100vw - var(--maxw))/2 - 6px))}
.plan-nav:disabled{opacity:.32;cursor:default;pointer-events:none}
.plan-dots{display:flex;gap:10px;justify-content:center;margin-top:30px}
.plan-dot{width:9px;height:9px;border-radius:50%;background:var(--sand-300);transition:.3s;cursor:pointer}
.plan-dot.active{background:var(--teal-700);width:28px;border-radius:5px}

/* ============ WORKS ============ */
.works{padding:118px 0 110px;background:var(--teal-900);color:#fff}
.works .sec-head h2{color:#fff}
.works .sec-head h2 .accent{color:#cde0a8}
.works .sec-head p{color:rgba(255,255,255,.72)}
.works .en-label{color:#cde0a8}
.works .en-label::before,.works .en-label.center::after{background:#cde0a8;opacity:.6}
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.work-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:4px;overflow:hidden;transition:.4s}
.work-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.07);border-color:rgba(205,224,168,.4)}
.work-card .wk-img{height:250px;overflow:hidden;position:relative}
.work-card .wk-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.work-card:hover .wk-img img{transform:scale(1.06)}
.work-card .wk-img .ph{height:100%;background:repeating-linear-gradient(45deg,rgba(255,255,255,.05),rgba(255,255,255,.05) 14px,rgba(255,255,255,.09) 14px,rgba(255,255,255,.09) 28px);color:rgba(255,255,255,.5)}
.work-card .wk-body{padding:22px 24px}
.work-card .wk-body .wk-meta{display:flex;gap:14px;font-size:11px;letter-spacing:.08em;color:#cde0a8;margin-bottom:10px;font-family:var(--f-en);text-transform:uppercase}
.work-card .wk-body h4{font-family:var(--f-min);font-size:19px;font-weight:600;letter-spacing:.03em}
.work-card .wk-body p{font-size:12.5px;color:rgba(255,255,255,.62);margin-top:8px}

/* ============ AREA ============ */
.area{padding:118px 0 110px;background:var(--sand-50);overflow:hidden}
.area .sec-head{margin-bottom:42px;}
.area-map-wide{width:100%;max-width:880px;margin:0 auto;padding:0 32px;line-height:0}
.area-map-wide img{width:100%;height:auto;display:block}

/* ============ COMPANY ============ */
.company{padding:118px 0 110px;background:var(--sand-100)}
.company-head{margin-bottom:48px;text-align: left;}
.awards{display:flex;gap:16px;align-items:flex-start}
.company-photo .awards{position:absolute;top:14px;left:14px;z-index:2;gap:10px}
.company-photo .awards img{height:92px}
.awards img{height:104px;width:auto;display:block}
.company-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}
.company-photo{position:relative;border-radius:6px;overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line)}
.company-photo img{width:100%;height:420px;object-fit:cover}
.company-info .ci-logo{height:44px;width:auto;margin-bottom:14px}
.company-info .ci-tag{font-family:var(--f-en);letter-spacing:.22em;font-size:11px;color:var(--ink-faint);text-transform:uppercase;margin-bottom:28px}
.info-table{width:100%;border-collapse:collapse}
.info-table th,.info-table td{text-align:left;padding:16px 4px;border-bottom:1px solid var(--line);vertical-align:top;font-size:14px}
.info-table th{width:128px;color:var(--teal-700);font-weight:700;letter-spacing:.04em}
.info-table td{color:var(--ink-soft)}
.info-table td .ph-inline{color:var(--ink-faint);font-size:12.5px;letter-spacing:.06em}

/* ============ Q&A ============ */
.qa{padding:118px 0 110px;background:var(--sand-50)}
.qa-list{max-width:840px;margin:0 auto}
.qa-item{background:var(--paper);border:1px solid var(--line);border-radius:4px;margin-bottom:14px;overflow:hidden;transition:box-shadow .3s}
.qa-item.open{box-shadow:var(--shadow-sm)}
.qa-q{display:flex;align-items:center;gap:18px;padding:24px 26px;cursor:pointer;user-select:none}
.qa-q .qmark{font-family:var(--f-en);font-size:20px;color:var(--teal-700);line-height:1;flex-shrink:0}
.qa-q .qtxt{flex:1;font-size:16px;font-weight:500;letter-spacing:.02em;color:var(--ink)}
.qa-q .qico{width:18px;height:18px;position:relative;flex-shrink:0}
.qa-q .qico::before,.qa-q .qico::after{content:"";position:absolute;background:var(--teal-700);transition:.35s}
.qa-q .qico::before{top:50%;left:0;width:100%;height:2px;transform:translateY(-50%)}
.qa-q .qico::after{left:50%;top:0;width:2px;height:100%;transform:translateX(-50%)}
.qa-item.open .qico::after{transform:translateX(-50%) scaleY(0)}
.qa-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.qa-a .qa-a-in{padding:0 26px 26px 62px;font-size:14.5px;color:var(--ink-soft);line-height:1.95}

/* ============ CONTACT ============ */
.contact{padding:120px 0;background:var(--teal-800);color:#fff;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;inset:0;background:url('./concrete-texture.webp') center/cover;opacity:.07}
.contact-inner{position:relative;z-index:1;display:block;max-width:720px;margin:0 auto}
.contact-left{text-align:center;margin-bottom:44px}
.contact-left .en-label{color:#cde0a8}
.contact-left .en-label.center{justify-content:center}
.contact-left .en-label::before{background:#cde0a8;opacity:.6}
.contact-left h2{font-family:var(--f-min);font-weight:600;font-size:clamp(30px,3.6vw,42px);line-height:1.45;letter-spacing:.04em;margin:22px 0 24px}
.contact-left p{font-size:15px;opacity:.82;line-height:2;margin:0 auto 36px;max-width:520px}
.contact-tel{border-top:1px solid rgba(255,255,255,.18);padding-top:28px;max-width:420px;margin:0 auto}
.contact-tel .ct-lab{font-size:17px;font-weight:700;letter-spacing:.08em;opacity:.95;margin-bottom:10px}
.contact-tel .ct-num{font-family:'Shippori Mincho B1',var(--f-min);font-weight:700;font-size:46px;line-height:1;letter-spacing:.04em}
.contact-tel .ct-hours{font-size:12.5px;opacity:.7;margin-top:8px}
.contact-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:6px;padding:40px 38px;backdrop-filter:blur(4px)}
.field{margin-bottom:20px}
.field label{display:block;font-size:12.5px;letter-spacing:.06em;margin-bottom:8px;opacity:.85}
.field label .req{color:#cde0a8;margin-left:6px;font-size:10px}
.field input,.field textarea,.field select{
  width:100%;background:rgba(255,255,255,.92);border:1px solid transparent;border-radius:3px;
  padding:13px 15px;font-family:var(--f-go);font-size:14.5px;color:var(--ink);transition:.25s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:#cde0a8;background:#fff}
.field textarea{resize:vertical;min-height:96px}
.wpcf7-list-item{margin: 0!important;}
.wpcf7-list-item label{display: flex;align-items: center;gap:3px;}
.wpcf7-list-item-label{white-space: nowrap;}
.wpcf7-checkbox input{width: 1em;height: 1em;padding: 0;background: rgba(255, 255, 255, .92);border: 1px solid transparent;border-radius: 3px;flex-shrink: 0;}
.wpcf7-checkbox input:checked{background:#cde0a8 url('data:image/svg+xml;charset=utf8,<svg width="12" height="10" viewBox="0 0 12 10" fill="none" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" clip-rule="evenodd" d="M11.6635 0.251789C12.0767 0.618201 12.1146 1.25023 11.7482 1.66346L4.79311 9.50729L0.251789 4.38568C-0.114623 3.97245 -0.0766688 3.34042 0.336563 2.97401C0.749795 2.6076 1.38182 2.64555 1.74823 3.05879L4.79311 6.49273L10.2518 0.336563C10.6182 -0.0766688 11.2502 -0.114623 11.6635 0.251789Z" fill="%231c2522"/></svg>') center/0.7em no-repeat;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.addr-input{margin-top:12px}
.postal-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.postal-row > p {display: contents;}
.postal-mark{color:#fff;opacity:.85;font-size:15px;flex:0 0 auto}
.postal-input{max-width:180px}
.postal-note{font-size:11px;opacity:.7;flex:1 1 200px;line-height:1.5}
.email-row{display:flex;align-items:center;gap:10px}
.email-at{color:#fff;opacity:.85;flex:0 0 auto}
.email-row input{flex:1 1 auto;min-width:0}
.email-row select{flex:1 1 auto;min-width:0}
.area-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.area-row>p{display: contents;}
.area-row input{flex:1 1 220px}
.area-row .wpcf7-checkbox{display: flex;align-items: center;gap:14px;}
.checkbox-to-radio input{border-radius: 50%;}
.checkbox-to-radio input:checked{background: radial-gradient( #1c2522 50%, #cde0a8 50% )}
.field-hint{font-size:11px;opacity:.66;margin-top:8px;line-height:1.5}
.check-grid{display:flex;flex-wrap:wrap;gap:11px 22px;margin-top:4px}
.opt-inline{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;opacity:.92;cursor:pointer;white-space:nowrap}
.opt-inline input{width:17px;height:17px;flex:0 0 auto;accent-color:#cde0a8;cursor:pointer;margin:0}
.contact-form .btn-light{width:100%;margin-top:8px}
.form-note{font-size:11px;opacity:.6;text-align:center;margin-top:14px}
.privacy-box{grid-column:1/-1;margin-top:6px}
.pb-title{font-family:var(--f-min);font-size:19px;font-weight:600;color:#fff;letter-spacing:.03em;margin-bottom:14px;text-align:center}
.privacy-scroll{max-height:248px;overflow-y:auto;background:rgba(255,255,255,.97);border:1px solid rgba(255,255,255,.5);border-radius:6px;padding:26px 30px;color:var(--ink-soft);font-size:13px;line-height:1.95}
.privacy-scroll h5{font-family:var(--f-go);font-size:14px;font-weight:700;color:var(--teal-700);margin:18px 0 5px;letter-spacing:.02em}
.privacy-scroll p{margin:0 0 6px;text-wrap:pretty}
.privacy-scroll>p:first-child{margin-top:0}
.privacy-scroll::-webkit-scrollbar{width:9px}
.privacy-scroll::-webkit-scrollbar-thumb{background:var(--sand-300);border-radius:5px}
.privacy-scroll::-webkit-scrollbar-track{background:var(--sand-100);border-radius:5px}
.field-check{display:flex;align-items:center;gap:11px;font-size:12.5px;opacity:.92;margin:6px 0 18px;cursor:pointer;line-height:1.6}
.field-check input{width:18px;height:18px;flex:0 0 auto;accent-color:#cde0a8;cursor:pointer}
.field-check a{color:#cde0a8;text-decoration:underline;text-underline-offset:2px}
.btnWrap{position: relative;}
.btnWrap .wpcf7-spinner{position: absolute;bottom: -10px;left: 50%;transform: translate(-50%,100%);}
.btnWrap .btn{text-align: center;}
/* ============ ACTION (動線) ============ */
.action{padding:88px 0 60px;background:var(--sand-100)}
.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.action-card{
  display:flex;gap:26px;align-items:flex-start;background:var(--paper);
  border:1.5px solid var(--ink);border-radius:6px;padding:44px 42px;transition:.35s;position:relative;overflow:hidden;
}
.action-card.accent{border-color:var(--hiro-red)}
.action-card::after{content:"";position:absolute;inset:0;background:var(--teal-700);opacity:0;transition:opacity .35s;z-index:0}
.action-card.accent::after{background:var(--hiro-red)}
.action-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.ac-icon{flex:0 0 auto;width:62px;height:62px;display:flex;align-items:center;justify-content:center;position:relative;z-index:1}
.ac-icon i{font-size:42px;color:var(--ink);transition:.35s}
.action-card.accent .ac-icon i{color:var(--hiro-red)}
.ac-body{position:relative;z-index:1;flex:1}
.ac-en{font-family:var(--f-en);font-size:21px;letter-spacing:.04em;color:var(--hiro-red);display:block;line-height:1}
.action-card:not(.accent) .ac-en{color:var(--teal-700)}
.ac-title{font-family:var(--f-min);font-weight:700;font-size:24px;letter-spacing:.03em;margin-top:7px;display:flex;align-items:center;justify-content:space-between;gap:14px;color:var(--ink)}
.ac-arr{flex:0 0 auto;font-size:17px;color:var(--ink);transition:transform .35s}
.action-card:hover .ac-arr{transform:translateX(6px)}
.ac-rule{height:1px;background:var(--line-strong);margin:16px 0 18px}
.action-card.accent .ac-rule{background:rgba(125,21,34,.35)}
.ac-body p{font-size:14px;line-height:1.95;color:var(--ink-soft);text-wrap:pretty}

/* ============ FOOTER ============ */
.footer{background:var(--sand-100);color:var(--ink);padding:40px 0 0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:50px;border-bottom:1px solid var(--line)}
.footer .f-logo{height:36px;width:auto;margin-bottom:18px}
.footer .f-prod{font-family:var(--f-en);letter-spacing:.18em;font-size:14px;color:var(--teal-700);margin-bottom:14px}
.footer .f-desc{font-size:13px;color:var(--ink-soft);line-height:1.9;max-width:320px}
.footer .f-col h5{font-family:var(--f-en);letter-spacing:.16em;font-size:12px;color:var(--teal-700);text-transform:uppercase;margin-bottom:18px}
.footer .f-col a{display:block;font-size:13.5px;color:var(--ink-soft);padding:7px 0;transition:.2s}
.footer .f-col a:hover{color:var(--teal-700);padding-left:5px}
.footer-bottom{padding:24px 0;text-align:center}
.footer-bottom small{font-size:11.5px;color:var(--ink-faint);letter-spacing:.06em}

/* ============ reveal ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}

@media(max-width:1000px){
  .hero-bar-inner{flex-direction:column;align-items:stretch;padding:6px 24px 10px}
  .hb-stat{flex:none;padding:13px 0;border-left:none;border-top:1px solid rgba(255,255,255,.16);justify-content:space-between;gap:12px;white-space:nowrap}
  .hb-stat:first-child{border-top:none}
  .hb-stat .lab{font-size:12.5px;opacity:.8}
  .hb-stat .num{font-size:34px}
}

/* ============ RESPONSIVE ============ */
@media(max-width:1400px){
  .concept-2col{grid-template-columns:32% 68%;}
  /* not wide enough for row2 to stick out without clipping → fit within container */
  .seven-row-bottom{justify-content:flex-start;overflow:visible}
  .seven-row-bottom>.sv-card{flex:1 1 0}
}
@media (min-width:1025px) and (max-width:1400px){
  .concept-body.reveal.d1 p {white-space: normal;}
  .worry-card{padding:28px 20px;}
  .wc-icon{width:75px;height:75px;}
  .wc-ic{width:40px;height:40px}
  .merit-layout{grid-template-columns:50% 50%;}
  .mp-no{font-size:60px;}
  .mp-ttl h3{font-size:28px;}
  .sv-head{align-items:flex-start;}
  .sv-head .sv-ico{width:40px;height:37px;}
  .sv-head b .sv-cat{font-size:24px;}
}
@media(max-width:1024px){
  .merit-layout{grid-template-columns:1fr}
  .concept-2col{grid-template-columns:1fr}
  .concept-visual img{min-height:320px;max-height:60vh}
  .concept-body p{white-space:normal}
  .merit-visual{display:none}
  .mp-figure{display:block}
  .merit-detail{background-attachment:scroll}
  .merit-head{padding:64px 32px 0}
  .merit-lead{max-width:none}
  .merit-panel{min-height:auto;padding:50px 32px}
  .merit-durab-wrap{padding:68px 24px 88px}
  .dv-body{grid-template-columns:1fr}
  .dv-stage{min-height:360px}
  .area-inner,.company-inner,.contact-inner{grid-template-columns:1fr;gap:36px}
  .works-grid,.worry-grid,.features-grid{grid-template-columns:repeat(2,1fr)}
  .seven-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
  .seven-row{display:contents}
  .seven-row-top>.sv-card,.seven-row-bottom>.sv-card{flex:none;width:auto;min-width:0}
  .sv-cat br{display: none;}
}
@media(max-width:1160px){
  .nav{
    position:fixed;top:0;right:0;height:100vh;width:min(82%,340px);background:var(--sand-50);
    flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;padding:0 40px;
    transform:translateX(100%);transition:transform .4s cubic-bezier(.2,.7,.2,1);box-shadow:-20px 0 50px -30px rgba(0,0,0,.5);
    overflow-y:auto;
  }
  .nav.open{transform:none}
  .nav a{font-size:16px;padding:13px 0;width:100%;border-bottom:1px solid var(--line);display:flex;align-items:baseline;gap:12px}
  .nav a .en{font-size:11px;margin-top:0}
  .nav a .jp{margin-top:0}
  .nav a::after{display:none}
  .nav .cta{margin-top:18px;width:100%;justify-content:center;padding:15px}
  .burger{display:flex}
  .cta-mobile{display:inline-flex}
  /* mobile slide-in panel is light → keep menu text dark even on dark hero frames */
  .header:not(.scrolled).on-dark .nav a:not(.cta),
  .header:not(.scrolled).on-dark .nav a:not(.cta) .jp{color:var(--ink) !important}
  .header:not(.scrolled).on-dark .nav a:not(.cta) .en{color:var(--teal-700) !important}
  .header:not(.scrolled).on-dark .nav .cta,
  .header:not(.scrolled).on-dark .nav .cta span{color:#fff !important}
}
@media (min-width:761px) and (max-width:1024px){
  .hero-logo{padding-right:10px;background-color: rgba(255,255,255,0.3);backdrop-filter: blur(10px);}
  .hero-catch{text-shadow: 0 0 3px #fff;}
}
@media(max-width:760px){
  .wrap{padding:0 20px}
  /* mobile FV: image as a tall band on top, text below — no overlap */
  .hero{min-height:auto;display:flex;flex-direction:column}
  .hero-bg{position:relative;order:0;height:52vh;min-height:340px;overflow:hidden}
  .hero-bg-img{object-position:100% center;transform:scale(1.5);transform-origin:100% 30%}
  .hero-scrim{display:none}
  .hero-content{position:relative;order:1;flex:none;background:var(--sand-50);padding:36px 0 30px}
  .hero-bar{order:2}
  .hero-content-inner{padding:0 24px}
  .hero-text{max-width:none}
  .hero-logo{width:min(360px,76%);margin-bottom:24px}
  .deco-tr,.deco-bl{display:none}
  .hero-actions{flex-direction:column;gap:12px;margin-top:30px}
  .hero-actions .btn{width:100%}
  .hero-bar-inner{flex-direction:column;align-items:stretch;padding:6px 20px}
  .hb-stat{flex:none;padding:14px 0;border-left:none;border-top:1px solid rgba(255,255,255,.16);justify-content:space-between;gap:12px}
  .hb-stat:first-child{padding-left:0;border-top:none}
  .hb-stat .lab{font-size:12.5px;opacity:.8}
  .hb-stat .num{font-size:34px}
  .sim-board{grid-template-columns:1fr}
  .sim-foot{flex-direction:column;align-items:flex-start}
  .works-grid,.worry-grid,.features-grid{grid-template-columns:1fr}
  .seven-grid{grid-template-columns:1fr}
  .seven-row-top>.sv-card,.seven-row-bottom>.sv-card{flex:none;width:auto}
  .dv-stage{min-height:260px}
  .dv-cap{width:100%;padding:24px 20px 16px}
  .dv-tab{padding:12px 24px}
  .plan-slide{grid-template-columns:1fr;padding:0 20px}
  .ps-visual{border-radius:6px 6px 0 0;min-height:auto;padding:16px}
  .ps-visual img{max-height:300px}
  .ps-info{grid-template-columns:1fr;border-left:1px solid var(--line);border-top:none;border-radius:0 0 6px 6px;padding:28px 24px;gap:4px}
  .ps-spec{grid-column:1;grid-row:auto;margin-top:18px}
  .plan-nav{width:44px;height:44px;font-size:17px}
  .plan-nav.prev{left:8px}
  .plan-nav.next{right:8px}
  .form-row{grid-template-columns:1fr}
  .action-grid{grid-template-columns:1fr;gap:18px}
  .action-card{padding:32px 26px;gap:18px}
  .footer-top{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer .f-desc{max-width:none}
  .bar-row{grid-template-columns:90px 1fr auto;gap:12px}
  .merit-card{padding:30px 24px}
  .durab{padding:34px 24px}
  section{scroll-margin-top:64px}
  .merit-head{padding:52px 22px 0}
  .merit-panel{padding:44px 22px}
  .mp-figure img{height:210px}
  .mp-head{gap:16px}
  .merit-durab-wrap{padding:56px 20px 72px}
  .sim,.design,.plan,.works,.area,.company,.qa,.concept,.features{padding:78px 0}
  .contact{padding:80px 0}
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .hb-stat .num{animation:none;background-position:130% 0}
  .wb-arrow{animation:none}
  .bar-row.lead .bar-fill::after{animation:none}
  .sim-col.win .occ-fill::after{animation:none}
  .photo-track{animation:none}
  .nav .cta::before{animation:none;display:none}
}
@media(min-width:601px){
  .disp_sp {display: none!important;}
}
@media(max-width:600px){
  .brand .divider,.brand .prod{display:none}

}
@media(max-width:480px){
  .brand .hiro{height:26px}
  .hb-stat .num{font-size:30px}
  .hb-stat .lab{font-size:11.5px;letter-spacing:0}
  .hero-catch{font-size:20px}
  .sim-foot .sf-val{font-size:40px}
  .mp-no{font-size:50px;}
  .mp-ttl h3{font-size:24px;}
  .seven .sec-head h2{white-space: nowrap;}
  .contact-tel .ct-num{font-size:34px}
}