/* =========================================================
   たすき株式会社｜下層ページ共通スタイル
   （index.html と同じ 黒 × 蛍光イエロー × 白 のビジュアルシステム）
   ========================================================= */
:root{
  --ink:#151615;--paper:#fffefa;--paper-dark:#f4f3ed;
  --accent:#d9f358;--accent-deep:#b7d82e;
  --line:rgba(21,22,21,.22);--muted:#686a64;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic","YuGothic",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
p,h1,h2,h3,h4,dl,dd,ol,ul,figure{margin:0}
ol,ul{padding:0;list-style:none}
img{max-width:100%}
section{scroll-margin-top:96px}

/* ---------- ヘッダー ---------- */
.site-header{position:sticky;z-index:40;top:0;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:82px;padding:0 4.2vw;background:rgba(255,254,250,.92);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.brand{display:flex;align-items:center}
.brand-logo{display:block;width:202px;height:auto;filter:brightness(0);transition:filter .35s ease,opacity .35s ease}
.desktop-nav{display:flex;gap:30px;font:600 11px/1 Arial,sans-serif;letter-spacing:.12em}
.desktop-nav a{position:relative;padding-bottom:7px}
.desktop-nav a:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .38s var(--ease)}
.desktop-nav a:hover:after,.desktop-nav a[aria-current="page"]:after{transform:scaleX(1);transform-origin:left}
.header-contact{justify-self:end;padding:13px 18px;color:var(--ink);background:var(--accent);font-size:12px;font-weight:700;letter-spacing:.06em;transition:transform .3s ease,background .3s ease,color .3s ease}
.header-contact:hover{transform:translateY(-2px);color:var(--accent);background:var(--ink)}

/* ---------- パンくず ---------- */
.breadcrumb{display:flex;gap:12px;align-items:center;padding:26px 4.2vw 0;color:var(--muted);font:700 10px/1 Arial,sans-serif;letter-spacing:.12em}
.breadcrumb a:hover{color:var(--ink)}

/* ---------- ページヒーロー ---------- */
.page-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:6vw;align-items:end;padding:70px 4.2vw 80px;border-bottom:1px solid var(--line)}
.eyebrow{color:#718a13;font:700 11px/1.2 Arial,sans-serif;letter-spacing:.17em}
.page-hero h1{margin-top:26px;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(38px,5.2vw,78px);font-weight:500;line-height:1.3;letter-spacing:-.06em}
.page-hero .lead{max-width:560px;padding-bottom:12px;font-size:clamp(15px,1.15vw,17px);font-weight:500;line-height:2.05;letter-spacing:.035em}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-facts span{padding:9px 13px;border:1px solid var(--line);font-size:11px;font-weight:700;letter-spacing:.06em}

/* ---------- セクション共通 ---------- */
.section{display:grid;grid-template-columns:minmax(115px,12vw) 1fr;column-gap:36px;padding:100px 4.2vw}
.section-index{display:flex;gap:16px;align-items:flex-start;writing-mode:vertical-rl;font:700 10px/1 Arial,sans-serif;letter-spacing:.13em}
.section-index span{color:var(--muted)}
.section-body{min-width:0;max-width:1180px}
.section-title{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(28px,3.4vw,48px);font-weight:500;line-height:1.45;letter-spacing:-.05em}
.section-note{margin-top:20px;color:var(--muted);font-size:13px;line-height:2}
.dark{color:#fff;background:var(--ink)}
.dark .section-index span{color:rgba(255,255,255,.45)}
.dark .section-note{color:rgba(255,255,255,.6)}
.dark .eyebrow{color:var(--accent)}

/* ---------- 制作メモ ---------- */
.memo{margin-top:34px;padding:18px 22px;border-left:3px solid var(--accent);background:rgba(217,243,88,.2);font-size:12px;line-height:1.95}
.memo b{display:block;margin-bottom:7px;font:700 10px/1 Arial,sans-serif;letter-spacing:.14em}
.dark .memo{background:rgba(217,243,88,.12);color:rgba(255,255,255,.82)}

/* ---------- フォーム ---------- */
.contact-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:6vw;padding:90px 4.2vw 110px}
.form-block+.form-block{margin-top:44px;padding-top:44px;border-top:1px solid var(--line)}
.form-legend{display:flex;align-items:baseline;gap:14px;margin-bottom:26px;padding:0;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:22px;font-weight:500;letter-spacing:-.03em}
.form-legend small{color:var(--muted);font:700 9px/1 Arial,sans-serif;letter-spacing:.14em}
.field-row{display:grid;gap:11px}
.form-block>*+*{margin-top:28px}
.form-block>.form-legend+*{margin-top:0}
.field-2col{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field-row>label,.field-label{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:700;letter-spacing:.08em}
.req{padding:4px 7px;color:var(--accent);background:var(--ink);font:700 9px/1 Arial,sans-serif;letter-spacing:.08em}
.opt{padding:3px 7px;color:var(--muted);border:1px solid var(--line);font:700 9px/1 Arial,sans-serif;letter-spacing:.08em}
.hint{color:var(--muted);font-size:11px;line-height:1.8}
.field-row input[type=text],.field-row input[type=email],.field-row input[type=tel],.field-row textarea,.field-row select{
  width:100%;padding:15px 16px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:0;font-family:inherit;font-size:15px;
  transition:border-color .3s ease,box-shadow .3s ease,background .3s ease}
.field-row textarea{min-height:190px;line-height:1.9;resize:vertical}
.field-row select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);background-position:calc(100% - 21px) center,calc(100% - 15px) center;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field-row input:focus,.field-row textarea:focus,.field-row select:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(217,243,88,.6)}
.field-row input:user-invalid,.field-row textarea:user-invalid{border-color:#c0392b}

.chips{display:flex;flex-wrap:wrap;gap:11px}
.chip{position:relative;display:inline-flex;align-items:center;gap:10px;padding:14px 19px;border:1px solid var(--line);cursor:pointer;font-size:13px;font-weight:600;transition:background .25s ease,border-color .25s ease,transform .25s var(--ease)}
.chip input{position:absolute;width:1px;height:1px;opacity:0}
.chip i{width:11px;height:11px;border:1px solid var(--ink);border-radius:50%;transition:background .25s ease,box-shadow .25s ease}
.chip:hover{transform:translateY(-2px)}
.chip.is-checked{background:var(--accent);border-color:var(--ink)}
.chip.is-checked i{background:var(--ink);box-shadow:0 0 0 2px #fff inset}
.chip input:focus-visible+i{box-shadow:0 0 0 3px var(--accent-deep)}

.consent{display:flex;align-items:flex-start;gap:13px;margin-top:40px;padding:22px 24px;background:var(--paper-dark);font-size:13px;line-height:1.9;cursor:pointer}
.consent input{width:19px;height:19px;flex:none;margin-top:2px;accent-color:var(--ink)}
.consent a{border-bottom:1px solid currentColor}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:26px;margin-top:40px}
.submit{position:relative;overflow:hidden;padding:23px 46px;color:var(--ink);background:var(--accent);border:0;font-family:inherit;font-size:14px;font-weight:700;letter-spacing:.1em;cursor:pointer;transition:transform .3s var(--ease),background .3s ease,color .3s ease,box-shadow .3s ease}
.submit:hover{transform:translateY(-3px);color:var(--accent);background:var(--ink);box-shadow:0 16px 34px rgba(21,22,21,.18)}
.submit:after{content:"";position:absolute;top:0;left:0;width:34%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);animation:shine 4.5s ease-in-out infinite}
.form-actions .hint{max-width:280px}

.form-done{display:none;padding:52px 46px;color:#fff;background:var(--ink)}
.form-done.is-visible{display:block;animation:riseIn .8s var(--ease) backwards}
.form-done strong{display:block;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(24px,2.6vw,36px);font-weight:500;line-height:1.5}
.form-done p{margin-top:22px;color:rgba(255,255,255,.75);font-size:14px;line-height:2}
.form-done .text-link{color:var(--accent)}

/* ---------- サイド情報 ---------- */
.aside-card{padding:30px;border:1px solid var(--line)}
.aside-card+.aside-card{margin-top:20px}
.aside-card h3{font:700 10px/1 Arial,sans-serif;letter-spacing:.14em;color:var(--muted)}
.aside-card strong{display:block;margin-top:16px;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:26px;font-weight:500;letter-spacing:-.02em}
.aside-card p{margin-top:12px;font-size:13px;line-height:1.95}
.aside-list li{display:flex;gap:12px;padding:15px 0;border-bottom:1px solid var(--line);font-size:13px;line-height:1.8}
.aside-list li:last-child{border-bottom:0}
.aside-list b{flex:none;color:var(--accent-deep);font-family:"Yu Mincho",serif;font-size:15px}

/* ---------- 会社概要テーブル ---------- */
.spec{border-top:1px solid var(--line)}
.spec>div{display:grid;grid-template-columns:minmax(130px,.24fr) 1fr;gap:30px;padding:26px 0;border-bottom:1px solid var(--line)}
.spec dt{color:var(--muted);font:700 10px/1.8 Arial,sans-serif;letter-spacing:.13em}
.spec dd{font-size:14px;line-height:2}
.spec dd li{position:relative;padding-left:17px}
.spec dd li:before{content:"";position:absolute;left:0;top:.85em;width:7px;height:1px;background:var(--accent-deep)}

.history{border-top:1px solid rgba(255,255,255,.22)}
.history li{display:grid;grid-template-columns:minmax(90px,.16fr) 1fr;gap:30px;padding:24px 0;border-bottom:1px solid rgba(255,255,255,.22);font-size:14px;line-height:1.9}
.history time{color:var(--accent);font:700 11px/1.9 Arial,sans-serif;letter-spacing:.1em}

.member-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.member-card{background:#fff;border:1px solid var(--line)}
.member-photo{display:grid;place-items:center;aspect-ratio:4/3;color:rgba(255,255,255,.6);background:repeating-linear-gradient(135deg,transparent 0 24px,rgba(255,255,255,.06) 25px 26px),#242720;font:700 10px/1 Arial,sans-serif;letter-spacing:.14em}
.member-card div{padding:24px}
.member-card h3{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:20px;font-weight:500}
.member-card small{display:block;margin-top:9px;color:var(--muted);font:700 9px/1 Arial,sans-serif;letter-spacing:.12em}
.member-card p{margin-top:16px;font-size:12px;line-height:1.9}
.member-photo{position:relative;overflow:hidden;padding:0!important;background:#20231d}
.member-photo img{width:100%;height:100%;object-fit:cover;object-position:center 38%;filter:saturate(.84) contrast(1.03);transition:transform .8s var(--ease),filter .5s ease}
.member-card:nth-child(2) .member-photo img{object-position:center 54%}
.member-card:hover .member-photo img{transform:scale(1.035);filter:saturate(.98) contrast(1.02)}

/* ---------- プロジェクト詳細 ---------- */
.project-detail{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:0;border:1px solid var(--line);background:#fff}
.project-detail+.project-detail{margin-top:34px}
.project-visual{position:relative;display:flex;flex-direction:column;justify-content:space-between;min-height:400px;padding:38px;color:#fff;background:#414733}
.project-visual[data-tone="earth"]{background:#2f332b}
.project-visual[data-tone="blue"]{background:#383e31}
.project-visual:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(45deg,transparent 0 28px,rgba(255,255,255,.05) 29px 30px)}
.project-visual span,.project-visual strong{position:relative;z-index:1}
.project-visual span{font:700 10px/1 Arial,sans-serif;letter-spacing:.15em}
.project-visual strong{font:500 clamp(28px,3vw,42px)/1.35 "Yu Mincho","Hiragino Mincho ProN",serif}
.project-visual{isolation:isolate;overflow:hidden}
.project-visual img{position:absolute;z-index:-2;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.86) contrast(1.03) brightness(.82);transition:transform 1.2s var(--ease)}
.project-visual:before{content:"";position:absolute;z-index:-1;inset:0;background:linear-gradient(180deg,rgba(7,9,6,.08),rgba(7,9,6,.7))}
.project-visual:after{z-index:0;background:linear-gradient(125deg,rgba(217,243,88,.08),transparent 46%)}
.project-detail:hover .project-visual img{transform:scale(1.045)}
.project-copy{padding:46px 48px}
.project-copy h2{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(23px,2.4vw,34px);font-weight:500;line-height:1.5;letter-spacing:-.04em}
.project-copy>p{margin-top:26px;font-size:14px;line-height:2.05}
.project-facts{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.project-facts dt{color:var(--muted);font:700 9px/1 Arial,sans-serif;letter-spacing:.13em}
.project-facts dd{margin-top:10px;font-size:12px;line-height:1.8}
.status{display:inline-flex;margin-top:30px;padding:9px 13px;color:#3f482d;background:var(--accent);font-size:10px;font-weight:700;letter-spacing:.08em}

.work-list{border-top:1px solid rgba(255,255,255,.22)}
.work-list li{display:grid;grid-template-columns:minmax(96px,.15fr) minmax(140px,.22fr) 1fr;gap:28px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.22);font-size:13px;line-height:1.85}
.work-list time,.work-list .cat{color:rgba(255,255,255,.55);font:700 10px/1.85 Arial,sans-serif;letter-spacing:.1em}

/* ---------- 本文（プライバシーポリシー等） ---------- */
.doc{max-width:840px}
.doc h2{margin-top:52px;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:22px;font-weight:500;letter-spacing:-.02em}
.doc h2:first-child{margin-top:0}
.doc p,.doc li{margin-top:16px;font-size:14px;line-height:2.1}
.doc ol{counter-reset:n}
.doc ol li{position:relative;padding-left:28px;counter-increment:n}
.doc ol li:before{content:counter(n) ".";position:absolute;left:0;color:var(--accent-deep);font-weight:700}

/* ---------- CTA・フッター ---------- */
.page-cta{display:grid;grid-template-columns:1fr auto;align-items:center;gap:28px;margin:0 4.2vw 90px;padding:30px 34px;color:var(--ink);background:var(--accent);position:relative;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s ease}
.page-cta:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(217,243,88,.24)}
.page-cta span{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(20px,2.4vw,34px)}
.page-cta strong{display:flex;gap:26px;align-items:center;font-size:12px;letter-spacing:.08em;transition:transform .35s var(--ease)}
.page-cta:hover strong{transform:translateX(6px)}
.page-cta:after{content:"";position:absolute;top:0;left:0;width:34%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);pointer-events:none;animation:shine 4.5s ease-in-out infinite}
.text-link{display:flex;justify-content:space-between;align-items:center;width:min(100%,280px);margin-top:40px;padding:14px 0;border-bottom:1px solid currentColor;font:700 12px/1 Arial,sans-serif;letter-spacing:.1em;transition:letter-spacing .3s ease}
.text-link:hover{letter-spacing:.15em}
footer{position:relative;display:grid;grid-template-columns:1.1fr .8fr 1.1fr;gap:64px;overflow:hidden;padding:96px 4.2vw 30px;background:linear-gradient(135deg,#f2f1eb 0%,#fffefa 58%,#eef2d9 100%);border-top:1px solid var(--ink)}
footer:before{content:"";position:absolute;right:-8vw;top:-26vw;width:44vw;height:44vw;border:1px solid rgba(21,22,21,.12);border-radius:50%;box-shadow:0 0 0 7vw rgba(217,243,88,.12),0 0 0 14vw rgba(21,22,21,.025);pointer-events:none}
footer>*{position:relative;z-index:1}
.footer-brand{align-self:start}
.footer-brand>img{display:block;width:min(100%,280px);height:auto}
.footer-brand p,.footer-address small{margin-top:8px;color:var(--muted);font:700 9px/1 Arial,sans-serif;letter-spacing:.13em}
.footer-address{align-self:start;padding-left:24px;border-left:1px solid var(--line);font-size:13px;line-height:1.8}
footer nav{display:grid;grid-template-columns:1fr 1fr;gap:0 34px;font:700 10px/1 Arial,sans-serif;letter-spacing:.12em}
footer nav a{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px solid var(--line);transition:padding .25s ease,color .25s ease}
footer nav a:after{content:"↗";font-size:11px;font-weight:400}
footer nav a:hover{padding-left:7px;color:#718a13}
.footer-bottom{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr 1fr;margin-top:64px;padding-top:22px;border-top:1px solid var(--ink);color:var(--muted);font:700 9px/1 Arial,sans-serif;letter-spacing:.1em}
.footer-bottom p{text-align:center}
.footer-bottom a:last-child{text-align:right}

/* ---------- モーション ---------- */
@keyframes riseIn{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
@keyframes shine{0%{transform:translateX(-130%) skewX(-18deg)}55%,100%{transform:translateX(320%) skewX(-18deg)}}
.site-header{animation:riseIn .7s var(--ease) backwards}
.breadcrumb{animation:riseIn .8s var(--ease) .1s backwards}
.page-hero .eyebrow{animation:riseIn .9s var(--ease) .18s backwards}
.page-hero h1{animation:riseIn 1s var(--ease) .3s backwards}
.page-hero .lead{animation:riseIn 1s var(--ease) .46s backwards}
.hero-facts span{animation:riseIn .8s var(--ease) backwards}
.hero-facts span:nth-child(1){animation-delay:.58s}
.hero-facts span:nth-child(2){animation-delay:.66s}
.hero-facts span:nth-child(3){animation-delay:.74s}
.reveal{opacity:0}
.reveal.in{opacity:1;animation:riseIn .9s var(--ease) var(--d,0s) backwards}

/* ---------- レスポンシブ ---------- */
@media(max-width:1000px){
  .page-hero,.contact-layout,.project-detail{grid-template-columns:1fr}
  .page-hero{gap:40px;padding-bottom:60px}
  .page-hero .lead{padding-bottom:0}
  .contact-layout{gap:60px}
  .section{grid-template-columns:1fr;padding:80px 6vw}
  .section-index{writing-mode:horizontal-tb;margin-bottom:40px}
  .member-grid{grid-template-columns:1fr 1fr}
  .project-visual{min-height:230px}
  .project-copy{padding:38px 30px}
  .work-list li{grid-template-columns:1fr;gap:8px}
  .desktop-nav{display:none}
  .site-header{grid-template-columns:1fr auto;height:70px}
}
@media(max-width:640px){
  .brand-logo{width:156px}
  .breadcrumb,.contact-layout,.page-cta{padding-left:6vw;padding-right:6vw}
  .page-hero{padding:50px 6vw 55px}
  .field-2col{grid-template-columns:1fr;gap:26px}
  .member-grid{grid-template-columns:1fr}
  .spec>div{grid-template-columns:1fr;gap:10px}
  .project-facts{grid-template-columns:1fr}
  .form-done{padding:38px 26px}
  .page-cta{grid-template-columns:1fr;margin:0 6vw 70px;padding:26px}
  footer{grid-template-columns:1fr 1fr;gap:42px;padding:72px 6vw 25px}
  footer:before{right:-30vw;top:-10vw;width:90vw;height:90vw}
  .footer-brand>img{width:min(100%,230px)}
  .footer-address{padding-left:18px}
  footer nav{grid-column:1/-1;margin-top:25px}
  .footer-bottom{grid-template-columns:1fr auto;gap:22px}
  .footer-bottom p{display:none}
  .submit{width:100%}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1!important}
}

/* Client-comp texture sampled from the reference site's paper surface. */
body,footer{background-image:url("assets/media/gosenone-paper.png");background-size:300px 300px}

/* Access map (Google Maps embed) */
.map-embed{position:relative;margin-top:38px;aspect-ratio:16/9;overflow:hidden;border:1px solid var(--line);background:var(--paper-dark)}
.map-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;filter:grayscale(.25) contrast(1.02)}
@media(max-width:640px){.map-embed{aspect-ratio:4/3}}
.inline-link{border-bottom:1px solid currentColor;font-weight:700}
.inline-link:hover{color:var(--accent-deep)}