@charset "utf-8";
/* =========================================================
   NEEDS CORPORATION — Design System
   MODERN / ARCHITECTURAL / PROFESSIONAL / PREMIUM
   ---------------------------------------------------------
   01 Tokens
   02 Reset & Base
   03 Typography
   04 Layout
   05 Header / Navigation
   06 Buttons & Links
   07 Motion (Scroll Reveal / Mask Reveal)
   08 Sections & Components
   09 Footer
   10 Responsive
   ========================================================= */

/* ---------- 01 Tokens ---------- */
:root{
  /* Color — モノトーン基調。ゴールドは使わない。 */
  --white:#FFFFFF;
  --paper:#F4F3F0;       /* OFF WHITE */
  --paper-2:#E9E7E2;
  --ink:#14161A;         /* CHARCOAL */
  --ink-2:#454B54;
  --ink-3:#666D76;
  --black:#0A0B0C;
  --navy:#0C1B2B;        /* DEEP NAVY */
  --navy-2:#14304A;
  --accent:#006018;      /* ブランドカラー濃緑（ロゴ実測値） */
  --brand:#24A83C;       /* ブランドカラー（ロゴ実測値）細いアクセントのみに使用 */

  --line:rgba(20,22,26,.13);
  --line-2:rgba(20,22,26,.28);
  --line-on-dark:rgba(255,255,255,.18);
  --line-on-dark-2:rgba(255,255,255,.36);

  /* Layout */
  --wrap:1560px;
  --gutter:clamp(20px,4.6vw,80px);
  --sec-y:clamp(88px,11vw,180px);

  /* Type */
  --sans:"Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,system-ui,sans-serif;
  --serif:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;

  --fs-hero:clamp(30px,5.6vw,84px);
  --fs-h2:clamp(25px,3.5vw,54px);
  --fs-h3:clamp(19px,1.7vw,28px);
  --fs-body:clamp(15px,1.02vw,17px);
  --fs-small:13px;
  --fs-label:11px;

  /* Motion */
  --ease:cubic-bezier(.16,.84,.29,1);
  --dur:.9s;
}

/* ---------- 02 Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--white);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:2;font-weight:400;
  font-feature-settings:"palt" 1;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,dl,dd{margin:0}
table{border-collapse:collapse;width:100%}
svg{display:block}
::selection{background:var(--navy);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--ink);color:#fff;padding:12px 20px}
.skip:focus{left:12px;top:12px}

/* ---------- 03 Typography ---------- */
.en{font-family:var(--sans);letter-spacing:.16em;text-transform:uppercase;font-weight:500}
.eyebrow{
  display:flex;align-items:center;gap:14px;
  font-size:var(--fs-label);letter-spacing:.2em;text-transform:uppercase;
  font-weight:600;color:var(--ink-3);line-height:1;
}
.eyebrow .num{color:var(--ink);font-variant-numeric:tabular-nums}
.eyebrow::after{content:"";flex:1;height:1px;max-width:120px;background:linear-gradient(90deg,var(--brand) 0 24px,var(--line) 24px)}
.on-dark .eyebrow{color:rgba(255,255,255,.62)}
.on-dark .eyebrow .num{color:#fff}
.on-dark .eyebrow::after{background:linear-gradient(90deg,var(--brand) 0 24px,var(--line-on-dark) 24px)}

.h2{
  font-size:var(--fs-h2);line-height:1.42;font-weight:700;
  letter-spacing:.005em;
}
.h2.serif{font-family:var(--serif);font-weight:600;line-height:1.5;letter-spacing:.01em}
.h3{font-size:var(--fs-h3);line-height:1.6;font-weight:700}
.lead{font-size:var(--fs-body);line-height:2.15;color:var(--ink-2);max-width:44em}
.on-dark .lead{color:rgba(255,255,255,.76)}
.small{font-size:var(--fs-small);line-height:1.9;color:var(--ink-3)}
.tabular{font-variant-numeric:tabular-nums}

/* ---------- 04 Layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:var(--sec-y);position:relative}
.section.dark{background:var(--navy);color:#fff}
.section.paper{background:var(--paper)}
.section.tight{padding-block:clamp(60px,7vw,110px)}
/* 地の色が変わらないセクションが続くときは、境目の余白を詰める */
.section:not(.dark):not(.paper) + .section:not(.dark):not(.paper),
.section.paper + .section.paper{padding-top:0}
.grid{display:grid;gap:clamp(24px,3vw,56px)}
.g-12{grid-template-columns:repeat(12,1fr)}
.rule{height:1px;background:var(--line);border:0;margin:0}
.on-dark .rule,.dark .rule{background:var(--line-on-dark)}

/* ---------- 05 Header ---------- */
/* 管理バー表示時（ログイン中のみ）にヘッダーが隠れないようにする */
body.admin-bar .header{top:32px}
@media screen and (max-width:782px){body.admin-bar .header{top:46px}}
.header{
  position:fixed;inset:0 0 auto 0;z-index:120;
  transition:background .5s var(--ease),border-color .5s var(--ease),color .5s var(--ease);
  border-bottom:1px solid transparent;color:#fff;
}
.header__in{
  max-width:var(--wrap);margin-inline:auto;padding:0 var(--gutter);
  height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:baseline;gap:12px;line-height:1}
.brand__mark{font-size:19px;font-weight:700;letter-spacing:.06em}
.brand__sub{font-size:10.5px;letter-spacing:.14em;opacity:.62;white-space:nowrap}
.gnav{display:flex;align-items:center;gap:clamp(18px,2.1vw,38px)}
.gnav a{position:relative;font-size:12px;letter-spacing:.13em;font-weight:600;padding:6px 0}
.gnav a .ja{display:block;font-size:9.5px;letter-spacing:.08em;font-weight:400;opacity:.6;margin-top:3px}
.gnav a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease);
}
.gnav a:hover::after,.gnav a[aria-current="page"]::after{transform:scaleX(1);transform-origin:left}
.header__cta{
  display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 22px;
  border:1px solid currentColor;font-size:11.5px;letter-spacing:.14em;font-weight:600;
  transition:background .4s var(--ease),color .4s var(--ease);
}
.header__cta:hover{background:#fff;color:var(--ink)}
.header.is-solid{background:rgba(255,255,255,.94);backdrop-filter:saturate(160%) blur(14px);border-bottom-color:var(--line);color:var(--ink)}
.header.is-solid .header__cta{background:var(--ink);color:#fff;border-color:var(--ink)}
.header.is-solid .header__cta:hover{background:var(--accent);border-color:var(--accent)}
.header.is-hidden{transform:translateY(-100%);transition:transform .45s var(--ease)}
.header{transform:translateY(0)}
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:6px}
.burger span{display:block;width:22px;height:1px;background:currentColor;transition:transform .4s var(--ease),opacity .3s}
.is-open .burger span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
.is-open .burger span:nth-child(2){opacity:0}
.is-open .burger span:nth-child(3){transform:translateY(-3.5px) rotate(-45deg)}

/* Mobile drawer */
.drawer{
  position:fixed;inset:0;z-index:110;background:var(--navy);color:#fff;
  padding:104px var(--gutter) 40px;display:flex;flex-direction:column;justify-content:space-between;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .5s var(--ease),transform .6s var(--ease),visibility .5s;
  overflow-y:auto;
}
.is-open .drawer{opacity:1;visibility:visible;transform:none}
.drawer__nav a{display:block;padding:18px 0;border-bottom:1px solid var(--line-on-dark);font-size:21px;font-weight:700;letter-spacing:.04em}
.drawer__nav a .ja{display:block;font-size:11px;font-weight:400;opacity:.55;letter-spacing:.1em;margin-top:6px}
.drawer__foot{margin-top:40px;font-size:12px;opacity:.7;line-height:2}

/* ---------- 06 Buttons ---------- */
.btn{
  --bg:transparent;--fg:var(--ink);--bd:var(--ink);
  position:relative;display:inline-flex;align-items:center;gap:18px;
  min-height:60px;padding:0 30px;border:1px solid var(--bd);color:var(--fg);background:var(--bg);
  font-size:12px;letter-spacing:.15em;font-weight:600;overflow:hidden;
  transition:color .45s var(--ease),border-color .45s var(--ease);
}
.btn .arrow{width:26px;height:1px;background:currentColor;position:relative;transition:width .45s var(--ease)}
.btn .arrow::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
.btn::before{content:"";position:absolute;inset:0;background:var(--ink);transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease);z-index:-1}
.btn:hover{color:#fff;border-color:var(--ink)}
.btn:hover::before{transform:scaleX(1);transform-origin:left}
.btn:hover .arrow{width:34px}
.btn--light{--fg:#fff;--bd:var(--line-on-dark-2)}
.btn--light::before{background:#fff}
.btn--light:hover{color:var(--ink);border-color:#fff}
.btn--fill{--fg:#fff;--bd:var(--ink);background:var(--ink)}
.btn--fill::before{background:var(--accent)}
.btn--fill:hover{color:#fff;border-color:var(--accent)}
.link-arrow{display:inline-flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.14em;font-weight:600}
.link-arrow .arrow{width:22px;height:1px;background:currentColor;transition:width .4s var(--ease)}
.link-arrow:hover .arrow{width:34px}

/* ---------- 07 Motion ---------- */
.js [data-reveal]{opacity:0;transform:translateY(26px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease)}
.js [data-reveal].is-in{opacity:1;transform:none}
[data-reveal-delay="1"]{transition-delay:.09s}
[data-reveal-delay="2"]{transition-delay:.18s}
[data-reveal-delay="3"]{transition-delay:.27s}
[data-reveal-delay="4"]{transition-delay:.36s}
.mask{overflow:hidden;position:relative}
.js .mask img{transform:scale(1.12);transition:transform 1.5s var(--ease),clip-path 1.4s var(--ease)}
.js .mask{clip-path:inset(0 0 100% 0);transition:clip-path 1.3s var(--ease)}
.js .mask.is-in{clip-path:inset(0 0 0 0)}
.js .mask.is-in img{transform:scale(1)}
.zoom{overflow:hidden}
.zoom img{transition:transform 1.2s var(--ease)}
a:hover .zoom img,.zoom:hover img{transform:scale(1.05)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  [data-reveal]{opacity:1;transform:none}
  .mask{clip-path:none}
}

/* ---------- 08 Sections & Components ---------- */

/* HERO */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:var(--navy);padding-top:104px}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__media img,.hero__media video{width:100%;height:120%;object-fit:cover;object-position:center 32%;will-change:transform}
.hero__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,14,22,.62) 0%,rgba(8,14,22,.34) 34%,rgba(8,14,22,.72) 100%);
}
.hero__in{position:relative;z-index:1;width:100%;max-width:var(--wrap);margin-inline:auto;padding:0 var(--gutter) clamp(48px,6vw,88px)}
.hero__label{font-size:var(--fs-label);letter-spacing:.28em;font-weight:600;opacity:.82;margin-bottom:clamp(20px,2.6vw,34px)}
.hero__title{
  font-size:var(--fs-hero);line-height:1.34;font-weight:700;letter-spacing:-.005em;
  text-shadow:0 2px 40px rgba(0,0,0,.28);
}
.hero__title span{display:block}
.hero__body{margin-top:clamp(24px,2.8vw,40px);max-width:40em;font-size:var(--fs-body);line-height:2.1;color:rgba(255,255,255,.8)}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:clamp(30px,3.4vw,46px)}
.hero__meta{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  margin-top:clamp(40px,5vw,72px);padding-top:22px;border-top:1px solid var(--line-on-dark);
  font-size:11px;letter-spacing:.18em;color:rgba(255,255,255,.66);
}
.hero__scroll{display:flex;align-items:center;gap:12px}
.hero__scroll i{display:block;width:1px;height:34px;background:rgba(255,255,255,.4);position:relative;overflow:hidden}
.hero__scroll i::after{content:"";position:absolute;inset:0;background:#fff;animation:scrollline 2.4s var(--ease) infinite}
@keyframes scrollline{0%{transform:translateY(-100%)}55%,100%{transform:translateY(100%)}}

/* Page hero (下層) */
.phero{position:relative;padding-top:clamp(150px,15vw,220px);padding-bottom:clamp(50px,6vw,86px);background:var(--navy);color:#fff;overflow:hidden}
.phero__media{position:absolute;inset:0;opacity:.42}
.phero__media img{width:100%;height:100%;object-fit:cover}
.phero__in{position:relative;z-index:1}
.phero h1{font-size:clamp(30px,4.6vw,64px);line-height:1.36;font-weight:700;margin-top:18px}
.phero .en-title{font-size:var(--fs-label);letter-spacing:.26em;font-weight:600;color:rgba(255,255,255,.7)}
.phero .lead{margin-top:26px;color:rgba(255,255,255,.78)}

/* 実績詳細のヒーロー。写真があるときは写真を主役にし、
   文字が乗る下側だけを暗くする。写真がないときは低く抑える */
.phero--project{min-height:66svh;display:flex;align-items:flex-end;padding-bottom:clamp(46px,5vw,76px)}
.phero--project .phero__media{opacity:1}
.phero--project .phero__media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(8,18,30,.92) 0%,rgba(8,18,30,.62) 38%,rgba(8,18,30,.34) 70%,rgba(8,18,30,.48) 100%)}
.phero--flat{min-height:0;padding-top:clamp(140px,14vw,190px);padding-bottom:clamp(46px,5vw,68px)}
@media (max-width:768px){.phero--project{min-height:56svh}}

/* Breadcrumb */
.crumb{padding:16px 0;font-size:11px;letter-spacing:.06em;color:var(--ink-3);border-bottom:1px solid var(--line)}
.crumb ol{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.crumb li+li::before{content:"／";margin-right:10px;opacity:.5}
.crumb a:hover{color:var(--ink)}

/* WHO WE ARE — editorial split */
.split{display:grid;grid-template-columns:5fr 7fr;gap:clamp(30px,5vw,90px);align-items:start}
.split--rev{grid-template-columns:7fr 5fr}
.statement{font-size:clamp(24px,3.1vw,46px);line-height:1.58;font-weight:700;letter-spacing:.01em}
.statement em{font-style:normal;display:block}
.statement .thin{font-weight:400;color:var(--ink-3)}
.figure-stack{position:relative}
.figure-stack .f2{position:absolute;right:-6%;bottom:-14%;width:46%;border:8px solid var(--white)}
.dark .figure-stack .f2{border-color:var(--navy)}

/* BUSINESS — sticky scroll */
.biz{position:relative}
.biz__row{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,70px);align-items:center;padding-block:clamp(40px,5vw,80px);border-top:1px solid var(--line)}
.dark .biz__row{border-color:var(--line-on-dark)}
.biz__row:last-child{border-bottom:1px solid var(--line)}
.dark .biz__row:last-child{border-color:var(--line-on-dark)}
.biz__no{font-size:12px;letter-spacing:.2em;font-weight:600;color:var(--ink-3);margin-bottom:16px}
.dark .biz__no{color:rgba(255,255,255,.62)}
.biz__en{font-size:clamp(20px,2.3vw,34px);font-weight:700;letter-spacing:.02em;line-height:1.3}
.biz__ja{font-size:13px;letter-spacing:.12em;color:var(--ink-3);margin-top:10px}
.dark .biz__ja{color:rgba(255,255,255,.6)}
.biz__txt{margin-top:20px;font-size:var(--fs-body);line-height:2.1;color:var(--ink-2);max-width:34em}
.dark .biz__txt{color:rgba(255,255,255,.74)}
.biz__cta{margin-top:26px}
.biz__img{aspect-ratio:16/9;overflow:hidden}
.biz__img img{width:100%;height:100%;object-fit:cover}
.biz__row:hover .biz__img img{transform:scale(1.045)}

/* PROJECTS rail (横スクロール) */
.rail{display:flex;gap:clamp(16px,2vw,34px);overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:22px;-webkit-overflow-scrolling:touch}
.rail::-webkit-scrollbar{height:2px}
.rail::-webkit-scrollbar-thumb{background:var(--line-2)}
.rail::-webkit-scrollbar-track{background:var(--line)}
.dark .rail::-webkit-scrollbar-thumb{background:var(--line-on-dark-2)}
.dark .rail::-webkit-scrollbar-track{background:var(--line-on-dark)}
.rail>*{flex:0 0 clamp(268px,26vw,400px);scroll-snap-align:start}
.pcard{display:block;position:relative}
.pcard__img{aspect-ratio:3/4;overflow:hidden;background:var(--paper-2);display:flex;align-items:center;justify-content:center}
.pcard__ph{font-size:11px;letter-spacing:.28em;color:var(--ink-3);opacity:.55;font-weight:600}
.dark .pcard__ph,.on-dark .pcard__ph{color:#fff;opacity:.34}
/* 写真未登録のカードは、暗い面では白の薄い面で見せる */
.dark .pcard__img,.on-dark .pcard__img{background:rgba(255,255,255,.07)}
.pcard__img img{width:100%;height:100%;object-fit:cover}
.pcard__meta{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:10.5px;letter-spacing:.16em;color:var(--ink-3);font-weight:600}
.dark .pcard__meta{color:rgba(255,255,255,.58)}
.pcard__name{margin-top:10px;font-size:clamp(17px,1.4vw,22px);font-weight:700;line-height:1.5}
.pcard__sub{margin-top:8px;font-size:12px;color:var(--ink-3);line-height:1.8}
.dark .pcard__sub{color:rgba(255,255,255,.6)}
.pcard__tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.tag{display:inline-block;font-size:10px;letter-spacing:.1em;border:1px solid var(--line-2);padding:5px 10px;color:var(--ink-2);line-height:1;white-space:nowrap}
.dark .tag{border-color:var(--line-on-dark-2);color:rgba(255,255,255,.78)}
.tag--todo{border-style:dashed;color:var(--ink-3)}

/* 竣工／進行中バッジ */
.badge{display:inline-block;font-size:9.5px;letter-spacing:.14em;line-height:1;padding:5px 9px;font-weight:700;white-space:nowrap;border:1px solid transparent}
.badge--done{background:var(--ink);color:var(--white)}
.badge--wip{border-color:var(--line-2);color:var(--ink-3)}
.dark .badge--done,.on-dark .badge--done{background:#fff;color:var(--ink)}
.dark .badge--wip,.on-dark .badge--wip{border-color:var(--line-on-dark-2);color:rgba(255,255,255,.7)}
.pcard__meta .badge{margin-left:auto;letter-spacing:.1em}
.badge--hero{margin-left:16px;vertical-align:middle;letter-spacing:.16em;padding:6px 11px}
.phero .badge--done{background:#fff;color:var(--ink)}
.phero .badge--wip{border-color:var(--line-on-dark-2);color:rgba(255,255,255,.8)}

/* PROJECTS grid */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3vw,54px) clamp(18px,2.4vw,40px)}
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding-block:24px;border-bottom:1px solid var(--line)}
.filters .fl{font-size:10.5px;letter-spacing:.18em;color:var(--ink-3);margin-right:8px;font-weight:600}
.filters .fl:not(:first-child){margin-left:20px;padding-left:20px;border-left:1px solid var(--line)}
@media (max-width:768px){.filters .fl:not(:first-child){margin-left:0;padding-left:0;border-left:0;flex-basis:100%;margin-top:6px}}
/* スマホでは絞り込みが場所を取りすぎないよう詰める */
@media (max-width:700px){
  .filters{gap:8px;padding-block:18px}
  .filters .chip{padding:7px 12px;font-size:11px}
  .filters .fl{margin-right:4px}
}
.chip{border:1px solid var(--line-2);padding:9px 16px;font-size:11.5px;letter-spacing:.1em;transition:background .3s var(--ease),color .3s var(--ease),border-color .3s}
.chip[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip:hover{border-color:var(--ink)}
.count{font-size:11px;color:var(--ink-3);letter-spacing:.1em;margin-left:auto}

/* METHOD flow */
.flow{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:clamp(30px,4vw,60px)}
.dark .flow{background:var(--line-on-dark);border-color:var(--line-on-dark)}
.flow__row{display:grid;grid-template-columns:88px 1fr;background:var(--white);padding:clamp(22px,2.6vw,34px) clamp(18px,2.4vw,38px);align-items:start;gap:clamp(16px,2vw,34px)}
.dark .flow__row{background:var(--navy)}
.flow__no{font-size:11px;letter-spacing:.16em;color:var(--ink-3);font-weight:600;padding-top:6px}
.dark .flow__no{color:rgba(255,255,255,.62)}
.flow__en{font-size:clamp(15px,1.35vw,20px);font-weight:700;letter-spacing:.08em}
.flow__ja{font-size:12.5px;color:var(--ink-3);margin-top:6px;letter-spacing:.08em}
.dark .flow__ja{color:rgba(255,255,255,.6)}
/* スマホでは説明文を行全体に回り込ませる（88pxの列に押し込まれるのを防ぐ） */
.flow__desc{font-size:14px;line-height:2;color:var(--ink-2);margin-top:14px;max-width:46em;grid-column:1/-1}
.dark .flow__desc{color:rgba(255,255,255,.72)}
@media (min-width:900px){
  .flow__row{grid-template-columns:88px 260px 1fr}
  .flow__desc{grid-column:auto;margin-top:0}
}

/* VALUE CREATION chain */
.chain{display:grid;gap:1px;background:var(--line-on-dark);border:1px solid var(--line-on-dark);grid-template-columns:repeat(7,1fr)}
.chain__i{background:var(--navy);padding:clamp(18px,2vw,30px) clamp(10px,1.2vw,18px);text-align:left;position:relative;min-height:150px;display:flex;flex-direction:column;justify-content:space-between}
.chain__n{font-size:10px;letter-spacing:.16em;color:rgba(255,255,255,.6)}
.chain__en{font-size:clamp(11px,1vw,14px);font-weight:700;letter-spacing:.06em;line-height:1.5}
.chain__ja{font-size:11px;color:rgba(255,255,255,.62);margin-top:6px;line-height:1.7}
.chain__i:last-child{background:var(--white);color:var(--ink)}
.chain__i:last-child .chain__n{color:var(--ink-3)}
.chain__i:last-child .chain__ja{color:var(--ink-2)}

/* DATA / numbers */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-block:1px solid var(--line)}
.stat{background:var(--white);padding:clamp(26px,3vw,44px) clamp(16px,2vw,30px)}
.dark .stats{background:var(--line-on-dark);border-color:var(--line-on-dark)}
.dark .stat{background:var(--navy)}
.stat__k{font-size:10.5px;letter-spacing:.18em;color:var(--ink-3);font-weight:600}
.dark .stat__k{color:rgba(255,255,255,.55)}
.stat__v{font-size:clamp(30px,3.6vw,58px);font-weight:700;line-height:1.15;margin-top:18px;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.stat__v .u{font-size:.4em;font-weight:600;margin-left:.35em;letter-spacing:.06em}
.stat__note{font-size:11.5px;color:var(--ink-3);margin-top:12px;line-height:1.8}
.dark .stat__note{color:rgba(255,255,255,.55)}
.stat--todo .stat__v{color:var(--ink-3);font-size:clamp(16px,1.5vw,22px);font-weight:600;line-height:1.8}

/* Definition table (COMPANY) */
.dl{border-top:1px solid var(--line)}
.dl__row{display:grid;grid-template-columns:220px 1fr;gap:clamp(14px,2vw,40px);padding:22px 0;border-bottom:1px solid var(--line)}
.dl__row dt{font-size:12.5px;letter-spacing:.1em;color:var(--ink-3);font-weight:600;line-height:2}
.dl__row dd{font-size:15px;line-height:2}
.note-todo{color:var(--ink-3);font-size:12.5px;border:1px dashed var(--line-2);padding:2px 10px;display:inline-block;line-height:1.9}

/* NEWS list */
.nlist{border-top:1px solid var(--line)}
.nrow{display:grid;grid-template-columns:120px 130px 1fr auto;gap:clamp(14px,2vw,32px);align-items:center;padding:24px 0;border-bottom:1px solid var(--line);transition:padding-inline .4s var(--ease)}
.nrow:hover{padding-inline:10px;background:var(--paper)}
.nrow__date{font-size:12px;letter-spacing:.1em;color:var(--ink-3);font-variant-numeric:tabular-nums}
.nrow__cat{font-size:10.5px;letter-spacing:.14em;border:1px solid var(--line-2);padding:5px 0;text-align:center;color:var(--ink-2)}
.nrow__t{font-size:15.5px;font-weight:500;line-height:1.8}

/* CTA band */
.cta{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.cta__media{position:absolute;inset:0;opacity:.28}
.cta__media img{width:100%;height:100%;object-fit:cover}
.cta__in{position:relative;z-index:1;padding-block:clamp(70px,8vw,130px)}
.cta__title{font-size:clamp(24px,3.2vw,48px);font-weight:700;line-height:1.5}
.cta__grid{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:end}
.cta__tel{font-size:clamp(22px,2.4vw,34px);font-weight:700;letter-spacing:.02em;font-variant-numeric:tabular-nums}

/* Form */
.form{display:grid;gap:28px;max-width:860px}
.field label{display:block;font-size:12.5px;letter-spacing:.1em;font-weight:600;margin-bottom:10px}
.req{color:#B3261E;font-size:10.5px;margin-left:8px;letter-spacing:.1em}
.opt{color:var(--ink-3);font-size:10.5px;margin-left:8px;letter-spacing:.1em}
.field input[type=text],.field input[type=email],.field input[type=tel],.field textarea,.field select{
  width:100%;border:1px solid var(--line-2);background:var(--white);padding:16px 18px;font:inherit;font-size:16px;line-height:1.7;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);border-radius:0;
}
.field textarea{min-height:170px;resize:vertical}
.field :is(input,textarea,select):focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(18,59,96,.1)}
.purpose{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.purpose label{
  display:flex;align-items:center;gap:12px;border:1px solid var(--line-2);padding:16px;cursor:pointer;
  font-size:13.5px;font-weight:500;letter-spacing:.04em;margin:0;line-height:1.6;
  transition:border-color .3s var(--ease),background .3s var(--ease);min-height:64px;
}
.purpose input{position:absolute;opacity:0;width:0;height:0}
.purpose label::before{content:"";width:14px;height:14px;border:1px solid var(--line-2);flex:0 0 auto;border-radius:50%;transition:.3s}
.purpose label:has(input:checked){border-color:var(--ink);background:var(--paper)}
.purpose label:has(input:checked)::before{border-color:var(--ink);background:var(--ink);box-shadow:inset 0 0 0 3px var(--paper)}
.purpose label:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}
.form__note{font-size:12.5px;color:var(--ink-3);line-height:2}

/* Group cards */
.group{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.group__i{background:var(--white);padding:clamp(24px,2.6vw,38px)}
.group__role{font-size:10.5px;letter-spacing:.16em;color:var(--ink-3);font-weight:600}
.group__n{font-size:clamp(16px,1.4vw,21px);font-weight:700;margin-top:14px;line-height:1.6}
.group__d{font-size:13.5px;color:var(--ink-2);line-height:2;margin-top:12px}
/* 関連会社名の外部リンク */
.group__n a{display:inline-flex;align-items:baseline;gap:.45em;border-bottom:1px solid var(--line-2);padding-bottom:2px;transition:border-color .3s var(--ease),color .3s var(--ease)}
.group__n a:hover{border-bottom-color:var(--brand);color:var(--accent)}
.group__n a::after{content:"\2197";font-size:.62em;font-weight:600;color:var(--ink-3);transform:translateY(-.15em)}
.group__n a:hover::after{color:var(--accent)}
.group__site{display:block;font-size:11.5px;letter-spacing:.06em;color:var(--ink-3);font-weight:400;margin-top:10px}

/* Project detail */
.spec{display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(24px,4vw,70px)}
/* 実績詳細のスペック表。行そのものをグリッドの子にして、
   項目が増減しても左右の高さが揃うようにする */
/* .spec の一般ルール（1024px以下で1列）より後に効くよう詳細度を上げている */
.spec.spec--wide{grid-template-columns:repeat(3,1fr);align-content:start}
.spec.spec--wide .spec__row{grid-template-columns:110px 1fr;align-content:start}
@media (max-width:1100px){.spec.spec--wide{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.spec.spec--wide{grid-template-columns:1fr}}
.lead--intro{max-width:40em;margin-bottom:clamp(44px,5vw,76px);font-size:clamp(15px,1.15vw,17px)}
.lead--intro p+p{margin-top:1.2em}
.lead--intro ul,.lead--intro ol{margin:0;padding-left:1.3em;list-style:disc}
.lead--intro ol{list-style:decimal}
.lead--intro li{margin-top:.35em}
.pnav{display:flex;justify-content:space-between;gap:20px;padding-block:26px;flex-wrap:wrap}
@media (max-width:700px){.pnav{gap:14px}.pnav .link-arrow{flex:1 1 100%}.pnav .link-arrow:nth-child(2){order:3;justify-content:flex-start}}
.spec__row{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
/* 担当領域は横幅いっぱいに置く（タグが途中で折れないように） */
.spec__row--wide{grid-column:1/-1}
.spec__row dd.tagrow{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.spec__row dt{font-size:12px;letter-spacing:.1em;color:var(--ink-3);font-weight:600}
.spec__row dd{font-size:14.5px;line-height:1.9}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(12px,1.6vw,26px)}
.gallery .mask{aspect-ratio:4/3;background:var(--paper-2)}
.gallery .mask img{width:100%;height:100%;object-fit:cover;display:block}
/* 1枚目は建物の全体が分かるように、切り抜かず収める */
.gallery--project .mask:first-child{grid-column:1/-1;aspect-ratio:3/2;background:var(--paper-2)}
.gallery--project .mask:first-child img{object-fit:contain}
@media (max-width:640px){.gallery--project{grid-template-columns:1fr}.gallery--project .mask:first-child{aspect-ratio:4/3}}
.phero .pcard__tags .tag{border-color:var(--line-on-dark-2);color:rgba(255,255,255,.85)}
.phero .pcard__tags .tag--todo{color:rgba(255,255,255,.6)}
.ph{background:var(--paper-2);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:11.5px;letter-spacing:.14em;border:1px dashed var(--line-2)}

/* Notice (要確定) */
.notice{border-left:2px solid var(--accent);background:var(--paper);padding:18px 22px;font-size:13px;line-height:2;color:var(--ink-2)}
.dark .notice{background:rgba(255,255,255,.06);color:rgba(255,255,255,.78);border-left-color:#fff}

/* ---------- 09 Footer ---------- */
.footer{background:var(--black);color:#fff;padding-top:clamp(60px,7vw,110px)}
.footer a:hover{opacity:.62}
.footer__top{display:grid;grid-template-columns:1.2fr 2fr;gap:clamp(30px,5vw,80px);padding-bottom:clamp(40px,5vw,70px)}
.footer__brand .brand__mark{font-size:22px}
.footer__addr{margin-top:26px;font-size:12.5px;line-height:2.2;color:rgba(255,255,255,.62)}
.footer__nav{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.footer__nav h4{font-size:11px;letter-spacing:.18em;color:rgba(255,255,255,.5);font-weight:600;margin-bottom:16px}
.footer__nav a{display:block;font-size:13px;padding:7px 0;color:rgba(255,255,255,.86)}
.footer__legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding:26px 0 36px;border-top:1px solid var(--line-on-dark);font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.06em}
.sns{display:flex;gap:18px}
.sns a{font-size:11px;letter-spacing:.14em}

/* Mobile fixed contact */
.mbar{
  position:fixed;left:0;right:0;bottom:0;z-index:100;display:none;
  background:rgba(10,11,12,.94);backdrop-filter:blur(10px);border-top:1px solid var(--line-on-dark);
  transform:translateY(100%);transition:transform .5s var(--ease);
}
.mbar.is-in{transform:none}
.mbar__in{display:grid;grid-template-columns:1fr 1fr}
.mbar a{display:flex;align-items:center;justify-content:center;gap:10px;min-height:56px;color:#fff;font-size:12px;letter-spacing:.12em;font-weight:600}
.mbar a+a{border-left:1px solid var(--line-on-dark);background:var(--accent)}

/* ---------- 10 Responsive ---------- */
@media (max-width:1180px){
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .chain{grid-template-columns:repeat(4,1fr)}
  .footer__nav{grid-template-columns:repeat(2,1fr)}
  .purpose{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .gnav,.header__cta{display:none}
  .burger{display:flex}
  .split,.split--rev,.biz__row,.cta__grid,.footer__top{grid-template-columns:1fr}
  .biz__row{gap:26px}
  .spec{grid-template-columns:1fr}
  .group{grid-template-columns:1fr}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.95}
  .header__in{height:68px}
  .hero{min-height:92svh}
  .hero__meta{flex-direction:column;align-items:flex-start;gap:12px}
  .nrow{grid-template-columns:1fr;gap:8px;padding:20px 0}
  .nrow__cat{justify-self:start;padding:5px 14px}
  .dl__row{grid-template-columns:1fr;gap:4px;padding:18px 0}
  .spec__row{grid-template-columns:100px 1fr;gap:12px}
  .chain{grid-template-columns:repeat(2,1fr)}
  .pgrid{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .purpose{grid-template-columns:1fr}
  .mbar{display:block}
  .footer{padding-bottom:60px}
  .figure-stack .f2{position:static;width:60%;margin-top:-18%;margin-left:auto;border-width:6px}
  .btn{min-height:56px;width:100%;justify-content:space-between}
  .hero__actions{flex-direction:column;align-items:stretch}
}
@media (max-width:420px){
  .stats{grid-template-columns:1fr}
}

/* ---------- Contact Form 7 ---------- */
.wpcf7 form.wpcf7-form{display:grid;gap:28px;max-width:860px}
.wpcf7 fieldset{border:0;padding:0;margin:0}
.wpcf7 legend{font-size:12.5px;letter-spacing:.1em;font-weight:600;margin-bottom:16px}
.purpose:has(.wpcf7-checkbox){display:block}
.purpose .wpcf7-form-control-wrap{display:block}
.purpose .wpcf7-checkbox{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.purpose .wpcf7-list-item{margin:0;display:flex}
.purpose .wpcf7-list-item label{
  display:flex;align-items:center;gap:12px;border:1px solid var(--line-2);padding:16px;margin:0;cursor:pointer;
  font-size:13.5px;font-weight:500;letter-spacing:.04em;line-height:1.6;min-height:64px;width:100%;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.purpose .wpcf7-list-item input{position:absolute;opacity:0;width:0;height:0}
.purpose .wpcf7-list-item label::before{content:"";width:14px;height:14px;border:1px solid var(--line-2);flex:0 0 auto;border-radius:50%;transition:.3s}
.purpose .wpcf7-list-item label:has(input:checked){border-color:var(--ink);background:var(--paper)}
.purpose .wpcf7-list-item label:has(input:checked)::before{border-color:var(--ink);background:var(--ink);box-shadow:inset 0 0 0 3px var(--paper)}
.purpose .wpcf7-list-item label:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}
.wpcf7 .field label{margin-bottom:0}
.wpcf7 .field .wpcf7-form-control-wrap{display:block;margin-top:10px}
.wpcf7 .wpcf7-not-valid-tip{color:#B3261E;font-size:12.5px;margin-top:8px;letter-spacing:.02em}
.wpcf7 .wpcf7-response-output{border:1px solid var(--line-2);padding:16px 18px;margin:4px 0 0;font-size:13.5px;line-height:1.9}
.wpcf7 form.invalid .wpcf7-response-output,.wpcf7 form.unaccepted .wpcf7-response-output{border-color:#B3261E}
.wpcf7 form.sent .wpcf7-response-output{border-color:var(--accent);background:var(--paper)}
.wpcf7 .wpcf7-spinner{margin-left:14px}
.wpcf7 input[type=submit].btn{
  background:var(--ink);color:#fff;border:1px solid var(--ink);min-height:60px;padding:0 34px;width:auto;
  font-size:12px;letter-spacing:.15em;font-weight:600;border-radius:0;
  transition:background .4s var(--ease),border-color .4s var(--ease);
}
.wpcf7 input[type=submit].btn:hover{background:var(--accent);border-color:var(--accent)}
@media (max-width:1180px){.purpose .wpcf7-checkbox{grid-template-columns:repeat(2,1fr)}}
@media (max-width:768px){.purpose .wpcf7-checkbox{grid-template-columns:1fr}.wpcf7 input[type=submit].btn{width:100%}}

/* ---------- CM 発注構造ダイアグラム ---------- */
.cmdiag{margin:clamp(34px,4.5vw,64px) 0 0}
.cmdiag__svg{width:100%;height:auto;color:var(--ink);overflow:visible}
.cmdiag__stack{display:none}
.cmdiag__cap{margin-top:18px;font-size:12px;letter-spacing:.06em;color:var(--ink-3)}

.cmp{border-top:1px solid var(--line);padding-top:22px}
.cmp + .cmp{margin-top:40px}
.cmp__label{display:flex;align-items:baseline;gap:12px;font-size:11px;font-weight:600;letter-spacing:.2em;color:var(--ink-2)}
.cmp__no{color:var(--ink-3);letter-spacing:.14em}
.cmp__flow{margin-top:20px;display:flex;flex-direction:column;align-items:stretch;gap:0}
.cmnode{
  border:1px solid var(--line-2);padding:15px 16px;text-align:center;font-size:14px;font-weight:500;
  line-height:1.6;letter-spacing:.03em;background:var(--white);
}
.cmnode + .cmnode,.cmp__cut + .cmnode,.cmp__share + .cmnode{margin-top:34px;position:relative}
.cmnode + .cmnode::before,.cmp__cut + .cmnode::before,.cmp__share + .cmnode::before{
  content:"";position:absolute;left:50%;top:-34px;width:1px;height:26px;background:var(--line-2);
}
.cmnode + .cmnode::after,.cmp__cut + .cmnode::after,.cmp__share + .cmnode::after{
  content:"";position:absolute;left:50%;top:-11px;width:6px;height:6px;
  border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2);
  transform:translateX(-50%) rotate(45deg);
}
.cmnode--fill{background:var(--ink);color:#fff;border-color:var(--ink)}
.cmnode__en{display:block;font-size:9.5px;letter-spacing:.14em;opacity:.72;margin-top:5px;font-weight:600}
.cmnode--dim{opacity:.38}
.cmnode--dash{border-style:dashed}
.cmnode--accent{border-color:var(--brand);border-width:1.4px}
.cmnode--row{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;padding:0;background:var(--line-2);border-color:var(--line-2)}
.cmnode--row span{background:var(--white);padding:15px 6px;font-size:12.5px}
.cmp__cut{
  position:relative;margin:26px 0 0;padding-top:12px;font-size:11px;letter-spacing:.1em;color:var(--ink-3);text-align:center;
  border-top:1px dashed var(--line-2);
}
.cmp__share{margin:22px 0 0;font-size:11px;letter-spacing:.1em;color:var(--ink-3);text-align:center}
.cmp__note{margin-top:22px;font-size:13px;line-height:2;color:var(--ink-2)}

@media (max-width:900px){
  .cmdiag__svg{display:none}
  .cmdiag__stack{display:block}
}

/* ---------- ヒーロー画像のトーン統一 ---------- */
.phero__media img,.hero__media img{filter:saturate(.92)}
/* 見出し側を沈めて可読性を確保するスクリム */
.phero::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(100deg,rgba(12,27,43,.58) 0%,rgba(12,27,43,.22) 62%,rgba(12,27,43,0) 100%)}
.p-contact .phero__media img{filter:saturate(.72) contrast(1.02)}

/* ハニーポット（人には見えない／読み上げもされない） */
.needs-hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}