/* ============================================================
   Wellnethy Co., Ltd. — corporate site
   シネマティック和モダン: 墨 × 生成り × 藍/金茶
   ============================================================ */

:root{
  --washi:#f6f2e9;
  --paper:#fffdf8;
  --ink:#1b1712;
  --ink-2:#3a332a;
  --ink-soft:#6f6557;
  --ai:#123a5c;          /* 深い藍 */
  --ai-soft:#2c5a83;
  --kincha:#a9762c;      /* 金茶(アクセント) */
  --gold:#c29b3f;
  --line:#e4dbc8;
  --line-dark:rgba(255,255,255,.18);
  --serif:"Shippori Mincho B1","Hiragino Mincho ProN","Yu Mincho","YuMincho",serif;
  --sans:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic UI","Meiryo",sans-serif;
  --display:"Cinzel","Shippori Mincho B1",Georgia,serif;
  --ease:cubic-bezier(.19,1,.22,1);          /* expo out */
  --ease-soft:cubic-bezier(.33,.9,.28,1);
  --shell:1120px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  background:var(--washi);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:2;letter-spacing:.03em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--ai);color:#fff}

/* 紙の粒子 */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.45;
  background-image:radial-gradient(rgba(120,100,70,.06) 1px,transparent 1.4px);
  background-size:22px 22px;
}
header.site,main,footer.site{position:relative;z-index:1}

/* ページ全体のフェードイン */
body{opacity:1}
body.js-enabled{opacity:0}
body.js-enabled.loaded{opacity:1;transition:opacity .9s var(--ease-soft)}

/* ============ スクロール進捗 ============ */
.progress{
  position:fixed;top:0;left:0;height:2px;width:100%;z-index:80;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--ai),var(--kincha));
  will-change:transform;
}

/* ============ ヘッダー ============ */
header.site{
  position:fixed;top:0;left:0;right:0;z-index:60;
  border-bottom:1px solid transparent;
  transition:background .5s var(--ease-soft),border-color .5s,backdrop-filter .5s;
}
header.site.scrolled{
  background:rgba(255,253,248,.9);backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
}
.nav-inner{
  max-width:var(--shell);margin:0 auto;padding:16px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:28px;width:auto}
.brand .logo-light{display:none}
header.site.on-hero:not(.scrolled) .logo-dark{display:none}
header.site.on-hero:not(.scrolled) .logo-light{display:block}
.brand .name{
  font-family:var(--serif);font-weight:700;font-size:1rem;letter-spacing:.1em;color:var(--ai);
}
header.site.on-hero:not(.scrolled) .brand .name{color:#fff}

nav.main{display:flex;gap:28px;align-items:center}
nav.main a{
  text-decoration:none;font-size:.86rem;letter-spacing:.1em;color:var(--ink);
  position:relative;padding:6px 0;transition:color .3s;
}
nav.main a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--kincha);transform:scaleX(0);transform-origin:right;
  transition:transform .45s var(--ease);
}
nav.main a:hover::after,nav.main a[aria-current="page"]::after{transform:scaleX(1);transform-origin:left}
header.site.on-hero:not(.scrolled) nav.main a{color:#fff}
nav.main .lang{
  font-family:var(--display);font-size:.76rem;letter-spacing:.18em;
  border:1px solid var(--line);border-radius:2px;padding:5px 12px;
}
nav.main .lang::after{display:none}
nav.main .lang:hover{background:var(--ai);border-color:var(--ai);color:#fff}
header.site.on-hero:not(.scrolled) nav.main .lang{border-color:rgba(255,255,255,.45)}

.menu-btn{
  display:none;background:none;border:0;cursor:pointer;
  width:34px;height:26px;position:relative;
}
.menu-btn span{
  position:absolute;left:0;height:1px;width:100%;background:var(--ink);
  transition:transform .4s var(--ease),opacity .3s;
}
.menu-btn span:nth-child(1){top:4px}
.menu-btn span:nth-child(2){top:12px}
.menu-btn span:nth-child(3){top:20px}
header.site.on-hero:not(.scrolled) .menu-btn span{background:#fff}
body.nav-open .menu-btn span:nth-child(1){transform:translateY(8px) rotate(45deg)}
body.nav-open .menu-btn span:nth-child(2){opacity:0}
body.nav-open .menu-btn span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
body.nav-open .menu-btn span{background:var(--ink)!important}

/* ============ ヒーロー ============ */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:flex-end;
  overflow:hidden;color:#fff;padding:0 24px 12vh;
}
.hero.page{min-height:72svh;padding-bottom:9vh}
.hero .bg{
  position:absolute;inset:-6% -2%;
  background-size:cover;background-position:center;
  transform:scale(1.12);
  animation:kenburns 26s var(--ease-soft) forwards;
  will-change:transform;
}
@keyframes kenburns{
  from{transform:scale(1.16) translate3d(0,0,0)}
  to{transform:scale(1.02) translate3d(0,-1.5%,0)}
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,20,26,.5) 0%,rgba(15,20,26,.18) 38%,rgba(12,16,21,.78) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:var(--shell);margin:0 auto;width:100%}
.hero .eyebrow{
  display:block;font-family:var(--display);font-size:.78rem;letter-spacing:.42em;
  color:rgba(255,255,255,.82);margin-bottom:22px;
}
.hero h1{
  font-family:var(--serif);font-weight:500;line-height:1.5;
  font-size:clamp(2.1rem,5.6vw,4rem);letter-spacing:.04em;
  text-shadow:0 2px 30px rgba(0,0,0,.35);
}
.hero .sub{
  margin-top:28px;max-width:44em;font-size:clamp(.94rem,1.5vw,1.02rem);
  line-height:2.1;color:rgba(255,255,255,.9);
}
.scroll-cue{
  position:absolute;left:50%;bottom:38px;z-index:2;width:1px;height:56px;
  background:rgba(255,255,255,.3);overflow:hidden;
}
.scroll-cue::after{
  content:"";position:absolute;inset:0;background:#fff;
  animation:cue 2.4s var(--ease-soft) infinite;
}
@keyframes cue{0%{transform:translateY(-100%)}55%,100%{transform:translateY(100%)}}

/* 行マスク(見出しの段階表示) */
.mask{display:block;overflow:hidden}
.mask > span{display:block}
body.js-enabled .mask > span{transform:translateY(115%);opacity:0}
body.js-enabled .mask.in > span{
  transform:translateY(0);opacity:1;
  transition:transform 1.1s var(--ease),opacity .9s var(--ease-soft);
  transition-delay:var(--d,0s);
}
/* 一文字ずつ(トップのh1のみ) */
.chars .ch{display:inline-block}
body.js-enabled .chars .ch{transform:translateY(.9em);opacity:0}
body.js-enabled .chars.in .ch{
  transform:translateY(0);opacity:1;
  transition:transform .9s var(--ease),opacity .7s var(--ease-soft);
  transition-delay:var(--d,0s);
}

/* ============ 汎用リビール ============ */
body.js-enabled .reveal{opacity:0;transform:translateY(26px)}
body.js-enabled .reveal.in{
  opacity:1;transform:none;
  transition:opacity 1s var(--ease-soft),transform 1.1s var(--ease);
  transition-delay:var(--d,0s);
}

/* ============ セクション基本 ============ */
.section{padding:clamp(80px,11vw,150px) 24px;position:relative;overflow:hidden}
.shell{max-width:var(--shell);margin:0 auto;position:relative;z-index:2}
.shell.narrow{max-width:760px}
.section.ink{background:var(--ai);color:var(--paper)}
.section.ink .lead,.section.ink p{color:rgba(255,253,248,.86)}
.section.paper{background:var(--paper)}

.section-head{margin-bottom:clamp(34px,5vw,62px)}
.section-head .en{
  display:block;font-family:var(--display);font-size:.74rem;letter-spacing:.4em;
  color:var(--kincha);margin-bottom:14px;
}
.section.ink .section-head .en{color:var(--gold)}
h2{
  font-family:var(--serif);font-weight:500;letter-spacing:.05em;line-height:1.6;
  font-size:clamp(1.5rem,3.2vw,2.35rem);
}
h3{font-family:var(--serif);font-weight:500;letter-spacing:.04em;line-height:1.7;font-size:1.22rem}
.lead{max-width:44em;color:var(--ink-2);line-height:2.15}
p + p{margin-top:1.2em}

/* 巨大な英字ドリフト */
.drift{
  position:absolute;top:50%;left:0;z-index:0;pointer-events:none;
  font-family:var(--display);font-weight:700;white-space:nowrap;
  font-size:clamp(5rem,18vw,15rem);line-height:1;letter-spacing:.06em;
  color:rgba(27,23,18,.045);transform:translate3d(0,-50%,0);will-change:transform;
}
.section.ink .drift{color:rgba(255,253,248,.07)}

/* ============ 証拠帯 ============ */
.facts{display:grid;gap:0;border-top:1px solid var(--line-dark)}
.section.ink .facts{border-color:var(--line-dark)}
.fact{
  display:grid;grid-template-columns:5.5rem 1fr;gap:18px;align-items:start;
  padding:30px 0;border-bottom:1px solid var(--line-dark);
}
.fact .num{
  font-family:var(--display);font-size:clamp(2rem,4.4vw,3.1rem);line-height:1;
  color:var(--gold);letter-spacing:.02em;
}
.fact p{line-height:2.05;font-size:.97rem}

/* ============ カード ============ */
.grid{display:grid;gap:clamp(22px,3vw,38px)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}

/* ============ 自社実践帯（B-3） ============ */
.practice-band{
  border-top:1px solid var(--line);padding-top:clamp(30px,5vw,54px);
  margin-top:clamp(40px,6vw,64px);
}

.card{
  background:var(--paper);border:1px solid var(--line);
  display:flex;flex-direction:column;text-decoration:none;overflow:hidden;
  transition:transform .7s var(--ease),box-shadow .7s var(--ease),border-color .5s;
}
.card:hover{
  transform:translateY(-10px);
  box-shadow:0 26px 50px -24px rgba(27,23,18,.34);
  border-color:var(--kincha);
}
.card .thumb{position:relative;overflow:hidden;aspect-ratio:4/3;background:#ddd6c6}
.card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 1.2s var(--ease);
}
.card:hover .thumb img{transform:scale(1.08)}
.card .body{padding:26px 24px 30px;display:flex;flex-direction:column;gap:12px;flex:1}
.card .body h3{font-size:1.14rem}
.card .body p{font-size:.92rem;line-height:1.95;color:var(--ink-soft)}
.card .more{
  margin-top:auto;font-family:var(--display);font-size:.72rem;letter-spacing:.24em;
  color:var(--kincha);
}
.card .more::after{content:" →";transition:transform .4s}

/* ============ 交互レイアウト(事業/発信の大ブロック) ============ */
.feature{
  display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(32px,5vw,72px);
  align-items:center;
}
.feature + .feature{margin-top:clamp(70px,9vw,130px)}
.feature.flip .media{order:2}
.media{position:relative;overflow:hidden;background:#ddd6c6;aspect-ratio:4/3}
.media img{
  width:100%;height:100%;object-fit:cover;
  transform:scale(1.15);transition:transform 1.6s var(--ease);
}
.media.in img{transform:scale(1)}
body:not(.js-enabled) .media img{transform:none}
.feature .txt h3{font-size:clamp(1.28rem,2.6vw,1.75rem);margin-bottom:18px}
.feature .txt .en{
  display:block;font-family:var(--display);font-size:.72rem;letter-spacing:.36em;
  color:var(--kincha);margin-bottom:12px;
}
.subcard{
  margin-top:26px;padding:22px 24px;border-left:2px solid var(--kincha);
  background:rgba(169,118,44,.06);
}
.subcard h4{font-family:var(--serif);font-weight:500;font-size:1rem;margin-bottom:8px}
.subcard p{font-size:.9rem;line-height:1.95;color:var(--ink-soft)}

/* ============ ボタン ============ */
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;gap:.6em;text-decoration:none;
  padding:14px 30px;font-size:.88rem;letter-spacing:.09em;
  background:var(--ai);color:#fff;border:1px solid var(--ai);
  position:relative;overflow:hidden;
  transition:color .45s var(--ease-soft),border-color .45s;
}
.btn::before{
  content:"";position:absolute;inset:0;background:var(--kincha);
  transform:translateY(101%);transition:transform .55s var(--ease);z-index:0;
}
.btn:hover::before{transform:translateY(0)}
.btn > *,.btn{position:relative}
.btn span{position:relative;z-index:1}
.btn:hover{border-color:var(--kincha)}
.btn.ghost{background:transparent;color:var(--ai);border-color:var(--ai)}
.btn.ghost:hover{color:#fff}
.section.ink .btn.ghost{color:var(--paper);border-color:rgba(255,253,248,.6)}

/* ============ リンク列(発信) ============ */
.linklist{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.linklist a,.linklist span{
  display:inline-flex;align-items:center;padding:10px 20px;
  border:1px solid var(--line);border-radius:2px;text-decoration:none;
  font-size:.85rem;letter-spacing:.06em;
  transition:background .4s var(--ease-soft),color .4s,border-color .4s,transform .4s var(--ease);
}
.linklist a:hover{background:var(--ai);border-color:var(--ai);color:#fff;transform:translateY(-3px)}
.linklist span{color:var(--ink-soft);opacity:.6;cursor:default}
.section.ink .linklist a,.section.ink .linklist span{border-color:rgba(255,253,248,.3)}
.section.ink .linklist a:hover{background:var(--paper);color:var(--ai);border-color:var(--paper)}

/* ============ 会社概要テーブル ============ */
.info{width:100%;border-collapse:collapse;font-size:.94rem}
.info th,.info td{
  text-align:left;padding:20px 8px;border-bottom:1px solid var(--line);
  vertical-align:top;line-height:1.95;
}
.info th{width:11em;font-weight:500;color:var(--ink-soft);letter-spacing:.08em;white-space:nowrap}
.info a{color:var(--ai);text-decoration:underline;text-underline-offset:3px}

/* ============ 代表ストーリー ============ */
.founder{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,5vw,68px);align-items:start}
.founder .media{aspect-ratio:3/4}
.founder .story p{line-height:2.25}
.founder .story p + p{margin-top:1.5em}

/* ============ 問い合わせ導線 ============ */
.routes{display:grid;gap:0;border-top:1px solid var(--line)}
.route{
  display:flex;flex-wrap:wrap;gap:8px 24px;align-items:baseline;justify-content:space-between;
  padding:24px 4px;border-bottom:1px solid var(--line);text-decoration:none;
  transition:padding-left .5s var(--ease),background .5s;
}
.route:hover{padding-left:16px;background:rgba(18,58,92,.04)}
.route .label{font-family:var(--serif);font-size:1.02rem}
.route .go{font-family:var(--display);font-size:.72rem;letter-spacing:.2em;color:var(--kincha)}

/* ============ フッター ============ */
footer.site{background:var(--ink);color:rgba(255,253,248,.75);padding:70px 24px 40px}
.foot-inner{max-width:var(--shell);margin:0 auto}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:38px;margin-bottom:44px}
footer.site h4{
  font-family:var(--display);font-size:.72rem;letter-spacing:.28em;
  color:var(--gold);margin-bottom:16px;font-weight:400;
}
footer.site ul{list-style:none;display:flex;flex-direction:column;gap:9px}
footer.site a{text-decoration:none;font-size:.86rem;transition:color .35s,padding-left .35s var(--ease)}
footer.site a:hover{color:var(--gold);padding-left:5px}
.foot-brand img{height:26px;margin-bottom:16px}
.foot-brand p{font-size:.84rem;line-height:1.95;color:rgba(255,253,248,.55)}
.copy{
  border-top:1px solid rgba(255,253,248,.14);padding-top:24px;
  font-size:.76rem;letter-spacing:.08em;color:rgba(255,253,248,.5);
}

/* ============ レスポンシブ ============ */
@media (max-width:900px){
  .grid.c4,.grid.c3{grid-template-columns:repeat(2,1fr)}
  .feature,.founder{grid-template-columns:1fr}
  .feature.flip .media{order:0}
  .founder .media{aspect-ratio:4/3;max-width:420px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:15px}
  .grid.c4,.grid.c3,.grid.c2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .fact{grid-template-columns:1fr;gap:6px;padding:24px 0}
  .info th,.info td{display:block;width:auto;padding:6px 0;border:0}
  .info th{padding-top:18px;font-size:.8rem;letter-spacing:.12em}
  .info td{padding-bottom:18px;border-bottom:1px solid var(--line)}
  .drift{font-size:22vw}
  .hero{padding-bottom:16vh}

  .menu-btn{display:block;z-index:70}
  nav.main{
    position:fixed;inset:0;background:var(--paper);
    flex-direction:column;justify-content:center;gap:22px;
    transform:translateY(-100%);transition:transform .6s var(--ease);
    z-index:65;
  }
  body.nav-open nav.main{transform:translateY(0)}
  nav.main a{font-size:1.05rem;letter-spacing:.14em;color:var(--ink)!important}
  header.site.on-hero:not(.scrolled) nav.main .lang{border-color:var(--line)}
}

/* ============ モーション低減 ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero .bg{animation:none;transform:scale(1.02)}
  .scroll-cue::after{animation:none}
  body.js-enabled .mask > span,
  body.js-enabled .chars .ch,
  body.js-enabled .reveal{transform:none!important;opacity:0}
  body.js-enabled .mask.in > span,
  body.js-enabled .chars.in .ch,
  body.js-enabled .reveal.in{opacity:1;transition:opacity .5s linear;transition-delay:0s}
  .media img,.media.in img{transform:none!important;transition:none}
  .card:hover{transform:none}
  .card:hover .thumb img{transform:none}
  .drift{transform:translate3d(0,-50%,0)!important}
  .progress{transition:none}
}

/* ============ 代表者名見出しのみ縮小（company.html #representative）============ */
/* h2 のグローバル clamp(1.5rem,3.2vw,2.35rem) の約27%減。他ページ・他見出しには影響なし */
#representative .section-head h2{
  font-size:clamp(1.1rem,2.35vw,1.7rem);
}

/* ============ 取締役セクション（company.html #director）============ */
/* .founder パターンをそのまま流用（グリッド比率・画像サイズは代表と共通）。本文（story）なし、見出しは代表と同じ縮小サイズを適用 */
#director .section-head h2{
  font-size:clamp(1.1rem,2.35vw,1.7rem);
}
.section.compact{padding:clamp(40px,6vw,72px) 24px}
/* 右カラム（見出しのみ）を縦センターに */
#director .founder{align-items:center}
#director .section-head{margin-bottom:0}

/* ============ 代表ブロック: 画像トップを本文冒頭の段落トップに揃える（company.html #representative）============ */
/* 見出し(.section-head)は右カラム1行目、画像(.media)と本文(.story)は2行目に配置。
   2行目はalign-items:startで両者が同じYで開始するため、画像トップ=最初の段落トップになる */
#representative .founder{
  grid-template-rows:auto auto;
}
#representative .founder > .section-head{
  grid-column:2;
  grid-row:1;
}
#representative .founder > .media{
  grid-column:1;
  grid-row:2;
}
#representative .founder > .story{
  grid-column:2;
  grid-row:2;
}
@media (max-width:900px){
  /* モバイルは1カラム化。取締役ブロック（画像→見出し）と揃えて 画像→見出し→本文 の順にする */
  #representative .founder > .section-head,
  #representative .founder > .media,
  #representative .founder > .story{
    grid-column:1;
    grid-row:auto;
  }
  #representative .founder > .media{order:1}
  #representative .founder > .section-head{order:2}
  #representative .founder > .story{order:3}
}