/* ============================================================
   株式会社DEVX — corporate site
   Direction: 設計図 / drafting sheet
   青焼きの紙・図面線の紺・朱入れの朱。アクセントは朱1色のみ。
   ============================================================ */

/* ---------- tokens ---------- */
:root{
  /* color */
  --paper:    #ECEEE9;   /* 製図用紙 */
  --paper-2:  #F5F6F3;   /* 起こした面 */
  --ink:      #141A1E;   /* 墨 */
  --ink-soft: #2A343B;   /* 本文 */
  --graphite: #5D6873;   /* 補助テキスト */
  --blue:     #1F4C6B;   /* 図面線 */
  --shu:      #B4382A;   /* 朱入れ = 唯一のアクセント */
  --shu-lite: #E0654F;   /* 濃地の上の朱 */

  --rule:     rgba(20,26,30,.14);
  --rule-2:   rgba(31,76,107,.22);
  --rule-dk:  rgba(236,238,233,.18);

  /* type */
  --f-disp: 'Archivo','Murecho','Hiragino Sans','Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,sans-serif;
  --f-body: 'Murecho','Hiragino Sans','Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,sans-serif;
  --f-mono: 'DM Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  /* metrics */
  --gut:  clamp(20px, 5vw, 64px);
  --maxw: 1200px;
  --sec-pad: clamp(76px, 10vw, 148px);
  --ease: cubic-bezier(.22,1,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-soft);
  font-family:var(--f-body);
  font-size:16px;
  font-weight:400;
  line-height:1.95;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{ max-width:100%; }
h1,h2,h3,p,ul,ol,figure{ margin:0; }
ul,ol{ padding:0; list-style:none; }
button{ font:inherit; color:inherit; background:none; border:0; padding:0; cursor:pointer; }
a{ color:inherit; }
::selection{ background:var(--shu); color:var(--paper); }

/* graph-paper ground — very faint, load-bearing for the drafting read */
body::before{
  content:''; position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    linear-gradient(var(--rule-2) 1px, transparent 1px) 0 0/100% 88px,
    linear-gradient(90deg, var(--rule-2) 1px, transparent 1px) 0 0/88px 100%;
  opacity:.28;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.15) 62%, transparent);
}
.site-head,main,.site-foot{ position:relative; z-index:1; }

/* ---------- utilities ---------- */
.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gut); }
.mono{ font-family:var(--f-mono); font-weight:400; letter-spacing:.14em; font-size:.72rem; }
.sr-only{ position:absolute; width:1px; height:1px; margin:-1px; padding:0; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0; }
.skip{
  position:absolute; left:12px; top:-64px; z-index:99;
  background:var(--ink); color:var(--paper); padding:10px 16px; font-size:.85rem;
  transition:top .18s;
}
.skip:focus{ top:12px; }
:focus-visible{ outline:2px solid var(--shu); outline-offset:3px; border-radius:1px; }

/* ---------- header ---------- */
.site-head{
  position:sticky; top:0; z-index:40;
  background:color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--rule);
}
.head-inner{ display:flex; align-items:center; justify-content:space-between; gap:20px; min-height:66px; }
/* ロゴ: 「//」前置・GAP 0.2em・ベースライン揃え
   マーク高 = Archivo キャップハイト(0.686em)、上下のツラが文字と揃う */
.brand{
  display:inline-flex; align-items:baseline; gap:.2em;
  text-decoration:none; color:var(--ink); font-size:1.06rem;
}
.brand-mark{ height:.686em; width:auto; aspect-ratio:79/100; display:block; flex:none; }
.brand-name{
  font-family:var(--f-disp); font-weight:800; font-stretch:120%;
  font-size:1em; letter-spacing:.1em; line-height:1;
}
.nav{ display:flex; align-items:center; gap:clamp(16px,2.4vw,30px); }
.nav a{
  text-decoration:none; font-size:.86rem; font-weight:500; letter-spacing:.06em;
  color:var(--ink-soft); padding-block:6px; position:relative;
}
.nav a:not(.nav-cta)::after{
  content:''; position:absolute; left:0; right:0; bottom:0; height:1px;
  background:var(--shu); transform:scaleX(0); transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav a:not(.nav-cta):hover::after{ transform:scaleX(1); }
.nav-cta{
  border:1px solid var(--ink); padding:8px 16px !important; border-radius:2px;
  transition:background .2s, color .2s;
}
.nav-cta:hover{ background:var(--ink); color:var(--paper); }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  text-decoration:none; font-size:.9rem; font-weight:500; letter-spacing:.06em;
  padding:14px 28px; border-radius:2px; border:1px solid transparent;
  transition:background .2s, color .2s, border-color .2s, transform .2s var(--ease);
}
.btn-solid{ background:var(--ink); color:var(--paper); }
.btn-solid:hover{ background:var(--shu); }
.btn-line{ border-color:var(--rule); color:var(--ink); }
.btn-line:hover{ border-color:var(--ink); }
.btn:active{ transform:translateY(1px); }

/* ============================================================
   HERO — 症状から始める
   ============================================================ */
.hero{ padding-block:clamp(48px,7vw,88px) clamp(40px,6vw,72px); }
.eyebrow{
  display:flex; align-items:center; gap:9px;
  font-family:var(--f-mono); font-size:.72rem; letter-spacing:.14em;
  color:var(--blue); margin-bottom:30px;
}
.eyebrow .mono{ color:var(--graphite); }
.tick{ width:7px; height:7px; background:var(--shu); display:block; flex:none; }

/* 症状チェックリスト — 診断シート */
.sym{
  border:1px solid var(--rule); background:var(--paper-2);
  padding:clamp(20px,3vw,28px) clamp(22px,3.4vw,34px);
  margin-top:clamp(40px,6vw,60px);
}
.sym-label{ color:var(--blue); letter-spacing:.2em; display:block; margin-bottom:14px; }
.sym-list{
  display:grid; grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 36px;
}
.sym-list li{
  position:relative; padding-left:18px;
  font-size:clamp(.92rem,1.4vw,1rem); font-weight:500; color:var(--ink);
  line-height:1.8;
}
.sym-list li::before{
  content:''; position:absolute; left:0; top:.9em; width:10px; height:1px; background:var(--shu);
}

.hero-title{
  font-family:var(--f-disp);
  font-weight:800;
  font-size:clamp(2.05rem, 3.9vw, 3.55rem);
  line-height:1.24;
  letter-spacing:-.015em;
  color:var(--ink);
  margin-bottom:30px;
}
.hero-title .ln{ display:block; overflow:hidden; padding-block:.04em; }
.hero-title .ln > span{ display:block; }
.hero-pre{
  font-size:clamp(.9rem,1.4vw,1rem); font-weight:500; letter-spacing:.04em;
  color:var(--graphite); margin-bottom:14px; max-width:38em;
}
.hero-lede{
  max-width:38em; font-size:.97rem; line-height:2.05; color:var(--ink-soft);
  margin-bottom:38px;
}
.hero-act{ display:flex; flex-wrap:wrap; gap:12px; }

/* ============================================================
   APPROACH — 考え方（3原則を横並びに）
   ============================================================ */
.prin{
  display:grid; grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(24px,4vw,48px);
}
.prin li{ border-top:1px dashed var(--rule-2); padding-top:18px; }
.prin-num{ color:var(--shu); letter-spacing:.22em; }
.prin-title{
  margin:8px 0 8px; font-family:var(--f-disp); font-weight:700;
  font-size:1.08rem; line-height:1.6; color:var(--ink);
}
.prin-body{ font-size:.9rem; line-height:2; color:var(--ink-soft); }

/* ============================================================
   SECTIONS
   ============================================================ */
.sec{ padding-block:var(--sec-pad); }

/* セクション罫: ラベルはコードのコメント行「// SERVICE」。
   斜線はロゴと同じ図形(墨+朱)・キャップハイト・ベースライン揃え */
.rule{ position:relative; border-top:1px solid var(--ink); }
.rule-code{
  display:inline-flex; align-items:baseline; gap:.55em;
  padding-top:12px; color:var(--blue); letter-spacing:.24em;
}
.rule-mark{ height:.7em; width:auto; aspect-ratio:79/100; flex:none; }
.rule-mark .s1{ fill:var(--ink); }
.rule-mark .s2{ fill:var(--shu); }
.rule--dark{ border-top-color:var(--rule-dk); }
.rule--dark .rule-code{ color:rgba(236,238,233,.6); }
.rule--dark .rule-mark .s1{ fill:#ECEEE9; }
.rule--dark .rule-mark .s2{ fill:var(--shu-lite); }

.sec-head{ margin-block:clamp(26px,4vw,44px) clamp(36px,5vw,60px); }
.sec-title{
  font-family:var(--f-disp); font-weight:800;
  font-size:clamp(1.7rem,3.4vw,2.7rem); line-height:1.35; letter-spacing:-.01em;
  color:var(--ink);
}
.sec-lede{ margin-top:14px; max-width:44em; font-size:.94rem; color:var(--ink-soft); }

/* ---------- services — 3つの支援サービス ---------- */
.svc2{
  border-top:1px solid var(--rule);
  padding:clamp(30px,4.4vw,48px) 0 clamp(34px,4.8vw,52px);
}
.svc2:first-of-type{ border-top:0; padding-top:clamp(6px,1vw,10px); }
.svc2-head{ display:flex; align-items:baseline; gap:16px; flex-wrap:wrap; }
.svc2-num{ color:var(--shu); letter-spacing:.24em; font-size:.78rem; }
.svc2-title{
  margin:0; font-family:var(--f-disp); font-weight:800;
  font-size:clamp(1.3rem,2.4vw,1.7rem); letter-spacing:.01em; color:var(--ink); line-height:1.4;
}
.svc2-form{
  margin-left:auto; color:var(--graphite); letter-spacing:.14em; font-size:.66rem;
  border:1px solid var(--rule); padding:5px 10px; border-radius:2px; white-space:nowrap;
}
.svc2-sub{
  margin:10px 0 0; font-size:clamp(1rem,1.6vw,1.12rem); font-weight:600;
  letter-spacing:.03em; color:var(--blue); line-height:1.8;
}
.svc2-grid{
  margin-top:clamp(18px,2.6vw,26px);
  display:grid; grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:clamp(20px,3.4vw,44px);
  align-items:start;
}
.svc2-body p{ font-size:.9rem; line-height:2.05; color:var(--ink-soft); }
.svc2-body p + p{ margin-top:12px; }
.svc2-body b{ font-weight:600; color:var(--ink); }
.svc2-when{
  border:1px solid var(--rule); background:var(--paper-2);
  padding:18px 20px;
}
.svc2-when-label{ display:block; color:var(--blue); letter-spacing:.2em; margin-bottom:12px; }
.svc2-when ul{ display:flex; flex-direction:column; gap:9px; }
.svc2-when li{
  position:relative; padding-left:15px;
  font-size:.82rem; line-height:1.85; color:var(--ink-soft);
}
.svc2-when li::before{
  content:''; position:absolute; left:0; top:.85em; width:8px; height:1px; background:var(--shu);
}

/* SCOPE — 図面の注記風に支援範囲を列挙 */
.svc-scope{
  margin-top:clamp(18px,2.6vw,24px); padding-top:16px;
  border-top:1px dashed var(--rule-2);
  display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px 20px;
}
.svc-scope::before{
  content:'SCOPE'; grid-column:1/-1;
  font-family:var(--f-mono); font-size:.6rem; letter-spacing:.24em; color:var(--blue);
}
.svc-scope li{
  position:relative; padding-left:15px;
  font-size:.79rem; line-height:1.75; color:var(--graphite); letter-spacing:.03em;
}
.svc-scope li::before{
  /* line-height 1.75 の1行目の中心 = 0.875em に合わせる */
  content:''; position:absolute; left:0; top:.875em; width:8px; height:1px; background:var(--shu);
}

/* ============================================================
   CASES — Before / DEVX / After
   ============================================================ */
.cases{ display:flex; flex-direction:column; gap:14px; }
.case{
  border:1px solid var(--rule); background:var(--paper-2);
  padding:clamp(20px,3vw,28px) clamp(22px,3.4vw,30px);
}
.case-head{
  display:flex; align-items:baseline; justify-content:space-between; gap:10px 18px; flex-wrap:wrap;
  margin-bottom:18px;
}
.case-title{
  margin:0; font-size:clamp(.98rem,1.5vw,1.06rem); font-weight:600;
  letter-spacing:.02em; color:var(--ink); line-height:1.7;
}
.case-tag{
  font-size:.62rem; letter-spacing:.16em; color:var(--blue);
  border:1px solid var(--rule-2); padding:4px 9px; border-radius:2px; white-space:nowrap;
}
.case-grid{
  display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px;
}
.case-col{ border-top:2px solid var(--rule); padding-top:12px; }
.case-col.devx{ border-top-color:var(--shu); }
.case-label{ display:block; color:var(--graphite); letter-spacing:.2em; margin-bottom:8px; }
.case-col.devx .case-label{ color:var(--shu); }
.case-col p:not(.case-label){ font-size:.84rem; line-height:1.95; color:var(--ink-soft); margin:0; }

.cases-note{ margin-top:18px; color:var(--graphite); line-height:1.8; letter-spacing:.08em; }

/* 相談CTAバンド */
.band{
  margin-top:clamp(40px,6vw,64px);
  border:1px solid var(--ink); padding:clamp(26px,4vw,38px) clamp(26px,4vw,40px);
  display:flex; align-items:center; justify-content:space-between; gap:20px 32px; flex-wrap:wrap;
  position:relative;
}
.band::before{
  content:''; position:absolute; left:-1px; top:-1px; width:34px; height:3px; background:var(--shu);
}
.band-title{
  margin:0 0 8px; font-family:var(--f-disp); font-weight:700;
  font-size:clamp(1.1rem,2vw,1.35rem); color:var(--ink); line-height:1.6;
}
.band-body{ margin:0; font-size:.9rem; color:var(--ink-soft); max-width:36em; }

/* ============================================================
   COMPANY — 表題欄 / title block
   ============================================================ */
.sec--company{ background:var(--ink); color:rgba(236,238,233,.82); }
.sec--company .sec-title{ color:var(--paper); }

.tblock{ border:1px solid var(--rule-dk); }
.tb-row{
  display:grid; grid-template-columns:minmax(190px,22%) 1fr;
  border-bottom:1px solid var(--rule-dk);
}
.tb-row:last-child{ border-bottom:0; }
.tb-k{
  display:flex; flex-direction:column; gap:3px; justify-content:center;
  padding:20px 22px; color:var(--shu-lite); letter-spacing:.18em;
  border-right:1px solid var(--rule-dk); background:rgba(236,238,233,.03);
}
.tb-k i{
  font-style:normal; font-family:var(--f-body); font-size:.78rem;
  letter-spacing:.06em; color:rgba(236,238,233,.55);
}
.tb-v{
  padding:20px 24px; display:flex; flex-direction:column; gap:4px; justify-content:center;
  font-size:1rem; color:var(--paper); letter-spacing:.03em;
}
.tb-sub{ font-family:var(--f-mono); font-size:.72rem; letter-spacing:.1em; color:rgba(236,238,233,.5); }
.tb-list{ display:flex; flex-wrap:wrap; gap:8px 10px; }
.tb-list li{
  font-size:.85rem; padding:6px 13px; border:1px solid var(--rule-dk); border-radius:2px;
  color:rgba(236,238,233,.86);
}

/* ============================================================
   CONTACT
   ============================================================ */
.form{ max-width:760px; }
.f-grid{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:clamp(22px,3vw,34px); }
.f-field{ display:flex; flex-direction:column; gap:8px; }
.f-field--wide{ grid-column:1/-1; }
.f-label{ color:var(--blue); letter-spacing:.16em; display:flex; align-items:center; gap:8px; }
.req{
  font-style:normal; font-size:.6rem; letter-spacing:.1em; color:var(--shu);
  border:1px solid currentColor; padding:1px 5px; border-radius:1px;
}
.f-input{
  font-family:var(--f-body); font-size:.98rem; color:var(--ink);
  background:transparent; border:0; border-bottom:1px solid rgba(20,26,30,.38);
  padding:10px 2px; width:100%; border-radius:0;
  transition:border-color .2s, background .2s;
}
.f-input:hover{ border-bottom-color:var(--graphite); }
.f-input:focus{ outline:none; border-bottom-color:var(--shu); border-bottom-width:2px; padding-bottom:9px; }
.f-input[aria-invalid="true"]{ border-bottom-color:var(--shu); background:rgba(180,56,42,.05); }
.f-area{ resize:vertical; line-height:1.9; border:1px solid rgba(20,26,30,.38); padding:14px; }
.f-area:focus{ border-color:var(--shu); border-width:1px; padding:14px; border-bottom-width:2px; padding-bottom:13px; }
.f-err{ font-family:var(--f-mono); font-size:.7rem; letter-spacing:.08em; color:var(--shu); min-height:0; }

.f-consent{
  margin-top:clamp(26px,3.5vw,38px); display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  font-size:.88rem;
}
.f-consent input{ width:17px; height:17px; accent-color:var(--shu); }
.f-consent a{ color:var(--blue); text-underline-offset:3px; }
.f-consent .f-err{ flex-basis:100%; }
.btn-submit{ margin-top:clamp(28px,3.5vw,40px); min-width:200px; }
.f-result{ margin-top:16px; font-size:.88rem; color:var(--blue); }
.f-result[data-state="error"]{ color:var(--shu); }

/* ハニーポット — 人には見えない欄。display:none は素通りするbotがいるので画面外へ逃がす */
.f-hp{
  position:absolute; left:-9999px; top:auto;
  width:1px; height:1px; overflow:hidden;
}

/* Turnstile — サイトキー未設定のときは空のまま。空なら余白も出さない */
.f-turnstile{ margin-top:clamp(20px,2.6vw,28px); }
.f-turnstile:empty{ display:none; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-foot{ border-top:1px solid var(--rule); padding-block:30px; }
.foot-inner{ display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.foot-c{ color:var(--graphite); }
.foot-nav{ display:flex; gap:24px; }
.foot-nav a{ font-size:.8rem; color:var(--graphite); text-decoration:none; }
.foot-nav a:hover{ color:var(--shu); }

/* ============================================================
   MOTION
   ============================================================ */
/* page-load: 症状リスト → 見出しの順に立ち上げる */
.hero-title .ln > span{ transform:translateY(108%); animation:rise .95s var(--ease) forwards; }
.hero-title .ln:nth-child(1) > span{ animation-delay:.34s; }
.hero-title .ln:nth-child(2) > span{ animation-delay:.44s; }
@keyframes rise{ to{ transform:translateY(0); } }

.eyebrow,.hero-pre,.sym,.hero-lede,.hero-act{ opacity:0; animation:fade .8s var(--ease) forwards; }
.eyebrow{ animation-delay:.05s; }
.hero-pre{ animation-delay:.18s; }
.sym{ animation-delay:.9s; }
.hero-lede{ animation-delay:.72s; }
.hero-act{ animation-delay:.84s; }
@keyframes fade{ to{ opacity:1; } }

/* scroll reveal */
.rvl{ opacity:0; transform:translateY(18px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.rvl.in{ opacity:1; transform:none; }
.rvl-d1{ transition-delay:.07s; } .rvl-d2{ transition-delay:.14s; } .rvl-d3{ transition-delay:.21s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1000px){
  .tb-row{ grid-template-columns:minmax(160px,30%) 1fr; }
}

@media (max-width:880px){
  .sym-list{ grid-template-columns:1fr; }
  .prin{ grid-template-columns:1fr; gap:22px; }
  .svc2-grid{ grid-template-columns:1fr; }
  .case-grid{ grid-template-columns:1fr; gap:14px; }
}

@media (max-width:760px){
  body{ font-size:15px; }
  .nav a:not(.nav-cta){ display:none; }
  .hero{ padding-top:clamp(40px,7vw,64px); }
  .svc2-form{ margin-left:0; }
  .f-grid{ grid-template-columns:1fr; }
  .tb-row,.tb-row--wide{ grid-template-columns:1fr; }
  .tb-k{
    border-right:0; border-bottom:1px solid var(--rule-dk); padding-block:14px;
    flex-direction:row; align-items:baseline; justify-content:flex-start; gap:10px;
  }
}

@media (max-width:420px){
  .svc-scope{ grid-template-columns:1fr; }
}

/* ============================================================
   REDUCED MOTION — everything lands immediately
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.001ms !important; animation-delay:0s !important;
    transition-duration:.001ms !important; transition-delay:0s !important;
  }
  .hero-title .ln > span{ transform:none; }
  .eyebrow,.hero-pre,.sym,.hero-lede,.hero-act{ opacity:1; }
  .rvl{ opacity:1; transform:none; }
}

@media print{
  body::before,.site-head,.hero-act,.form{ display:none; }
  .sec--company{ background:#fff; color:#000; }
}