/* =========================================================
   EXTERIOR IWAI — 公式サイト スタイル
   Design system by レオ / Build by のぶなが
   ========================================================= */

/* ---------- カラー・トークン ---------- */
:root{
  /* ベース */
  --c-white:      #F7F3EC;
  --c-stone:      #F2F0EC;
  /* テキスト */
  --c-text:       #1A1A18;
  --c-body:       #3D3D3A;
  --c-muted:      #6B6B66;
  /* ブランド */
  --c-deep:       #46554B;
  --c-leaf:       #7CB342;
  --c-leaf-lt:    #D4E8B4;
  /* アクセント */
  --c-sand:       #C8B89A;
  --c-iron:       #4A4A45;
  /* 機能 */
  --c-cta-btn:        #5E7359;
  --c-cta-btn-hover:  #46554B;

  --shadow-card: 0 2px 12px rgba(0,0,0,.08);
  --shadow-card-hover: 0 10px 30px rgba(0,0,0,.16);

  --maxw: 1200px;
  --header-h: 72px;

  --ff-serif: "Zen Old Mincho", serif;
  --ff-sans:  "Noto Sans JP", sans-serif;
  --ff-en:    "Cormorant Garamond", serif;
}

/* ---------- リセット ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  font-family:var(--ff-sans);
  font-weight:400;
  color:var(--c-body);
  background:var(--c-white);
  line-height:1.85;
  font-size:16px;
  overflow-x:hidden;
}
img{ display:block; max-width:100%; height:auto; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }

/* ---------- 共通レイアウト ---------- */
.wrap{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 64px; }
.section{ padding:120px 0; }
section[id]{ scroll-margin-top:calc(var(--header-h) + 10px); }
.section--stone{ background:var(--c-stone); }
.section--white{ background:var(--c-white); }

.section-head{ text-align:center; margin-bottom:64px; }
.section-head .en{
  font-family:var(--ff-en); font-style:italic; font-weight:300;
  font-size:1.25rem; letter-spacing:.12em; color:var(--c-leaf);
  display:block; margin-bottom:12px;
}
.section-head h2{
  font-family:var(--ff-serif); font-weight:700;
  font-size:2.25rem; line-height:1.4; letter-spacing:.04em; color:var(--c-text);
}
.section-head .lead{
  margin-top:24px; color:var(--c-body); font-weight:400;
  max-width:760px; margin-left:auto; margin-right:auto;
}

/* リード文（左寄せ長文用） */
.lead-block{ max-width:820px; margin:0 auto; }

/* ---------- ボタン ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:16px 34px; border-radius:4px; font-weight:500; font-size:1rem;
  letter-spacing:.04em; transition:all .25s ease; cursor:pointer;
  min-height:54px;
}
.btn--primary{ background:var(--c-cta-btn); color:#fff; }
.btn--primary:hover{ background:var(--c-cta-btn-hover); transform:translateY(-2px); }
.btn--ghost{ background:transparent; color:#fff; border:1.5px solid rgba(255,255,255,.7); }
.btn--ghost:hover{ background:rgba(255,255,255,.12); border-color:#fff; }
.btn--deep{ background:var(--c-deep); color:#fff; }
.btn--deep:hover{ background:#234011; transform:translateY(-2px); }
.btn .arrow{ font-size:1.1em; }

/* =========================================================
   ヘッダー
   ========================================================= */
.header{
  position:fixed; top:0; left:0; width:100%; height:var(--header-h);
  display:flex; align-items:center; z-index:100;
  background:var(--c-deep);
  /* 締まりを墨消えの呼吸に合わせる：墨が引いた後（.2s遅れ）に同じ easing で影がじわっと乗る */
  transition:box-shadow .55s cubic-bezier(.4,0,.2,1) .2s;
}
.header.scrolled{
  box-shadow:0 3px 18px rgba(0,0,0,.2);
}
.header .wrap{ position:relative; z-index:1; }
.header .wrap{ display:flex; align-items:center; justify-content:space-between; }
.header__logo{ margin-left:-12px; }
.header__logo img{ height:44px; width:auto; }
.lang-switch{ display:flex; align-items:center; gap:10px; margin-left:auto; margin-right:60px; }
.lang-switch .lang-opt{ font-size:.82rem; color:rgba(255,255,255,.72); white-space:nowrap; letter-spacing:.01em; transition:color .2s ease; }
.lang-switch .lang-opt.is-active{ color:var(--c-leaf); font-weight:700; }
.lang-switch .lang-opt:hover{ color:#fff; }
.header__nav ul{ display:flex; gap:36px; align-items:center; }
.header__nav a{
  color:#fff; font-size:.95rem; letter-spacing:.06em; font-weight:500;
  position:relative; padding:6px 0;
}
.header__nav a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:2px;
  background:var(--c-leaf); transition:width .25s ease;
}
.header__nav a:hover::after{ width:100%; }
.header__nav .nav-cta{
  background:var(--c-cta-btn); padding:10px 22px; border-radius:4px;
}
.header__nav .nav-cta::after{ display:none; }
.header__nav .nav-cta:hover{ background:var(--c-cta-btn-hover); }

/* ハンバーガー */
.nav-toggle{ display:none; width:44px; height:44px; position:relative; z-index:110; }
.nav-toggle span{
  position:absolute; left:9px; width:26px; height:2px; background:#fff;
  transition:all .3s ease;
}
.nav-toggle span:nth-child(1){ top:14px; }
.nav-toggle span:nth-child(2){ top:21px; }
.nav-toggle span:nth-child(3){ top:28px; }
.nav-open .nav-toggle span:nth-child(1){ top:21px; transform:rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2){ opacity:0; }
.nav-open .nav-toggle span:nth-child(3){ top:21px; transform:rotate(-45deg); }

/* =========================================================
   ヒーロー
   ========================================================= */
.hero{
  position:relative; min-height:600px; width:100%;
  display:flex; align-items:center;
  background:var(--c-white);
  padding:calc(var(--header-h) + 48px) 0 56px;
}
.hero__grid{
  display:grid; grid-template-columns:1fr 1.05fr; gap:56px; align-items:center;
}
.hero__inner{ position:relative; z-index:2; color:var(--c-text); }
.hero h1{
  font-family:var(--ff-serif); font-weight:700;
  font-size:2.5rem; line-height:1.55; letter-spacing:.04em; color:var(--c-deep);
}
.hero__sub{
  margin-top:26px; font-size:1.05rem; line-height:2; font-weight:400; color:var(--c-body);
}
.hero__cta{ margin-top:36px; }
.hero__media{
  position:relative; aspect-ratio:4/3; border-radius:12px; overflow:hidden;
  box-shadow:var(--shadow-card-hover);
}
.hero__slide{
  position:absolute; inset:0; background-size:cover; background-position:center;
  opacity:0; transition:opacity 1.4s ease;
}
.hero__slide.is-active{ opacity:1; }
.hero__scroll{
  position:absolute; bottom:4px; left:50%; transform:translateX(-50%);
  z-index:2; color:var(--c-muted); font-size:.75rem; letter-spacing:.2em;
  writing-mode:vertical-rl; opacity:.7;
}
.hero__scroll::after{
  content:""; display:block; width:1px; height:48px; margin:12px auto 0;
  background:var(--c-muted); animation:scrolldn 2s ease-in-out infinite;
}
@keyframes scrolldn{ 0%{transform:scaleY(0);transform-origin:top} 50%{transform:scaleY(1);transform-origin:top} 51%{transform-origin:bottom} 100%{transform:scaleY(0);transform-origin:bottom} }

/* =========================================================
   選ばれる理由
   ========================================================= */
.reasons__grid{
  display:grid; grid-template-columns:1fr 1fr; gap:32px;
  max-width:980px; margin:0 auto;
}
.reason{
  background:var(--c-white); border-radius:8px; padding:40px;
  display:flex; gap:24px; align-items:flex-start; box-shadow:var(--shadow-card);
}
.reason__icon{
  flex:0 0 56px; width:56px; height:56px; color:var(--c-deep);
}
.reason__icon svg{ width:100%; height:100%; }
.reason__num{
  font-family:var(--ff-en); font-style:italic; color:var(--c-leaf);
  font-size:1.1rem; letter-spacing:.1em;
}
.reason h3{
  font-family:var(--ff-serif); font-weight:700; font-size:1.2rem;
  line-height:1.5; color:var(--c-text); margin:6px 0 12px;
}
.reason p{ font-size:.95rem; color:var(--c-body); }

/* =========================================================
   サービス
   ========================================================= */
.services__grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:28px;
}
.service-card{
  background:var(--c-white); border-radius:8px; overflow:hidden;
  box-shadow:var(--shadow-card); transition:box-shadow .35s ease, transform .35s ease;
}
.service-card:hover{ box-shadow:var(--shadow-card-hover); transform:translateY(-4px); }
.service-card__img{ overflow:hidden; aspect-ratio:4/3; }
.service-card__img img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.service-card:hover .service-card__img img{ transform:scale(1.06); }
.service-card__body{ padding:24px 26px 28px; }
.service-card__body h3{
  font-family:var(--ff-serif); font-weight:700; font-size:1.15rem;
  color:var(--c-text); margin-bottom:10px; letter-spacing:.03em;
}
.service-card__body p{ font-size:.9rem; color:var(--c-muted); line-height:1.8; }

/* =========================================================
   培養土めぐみ（ダークセクション）
   ========================================================= */
.megumi{ background:var(--c-deep); color:#fff; position:relative; overflow:hidden; }
.megumi::before{
  content:""; position:absolute; right:-120px; top:-120px; width:520px; height:520px;
  background:radial-gradient(circle, rgba(124,179,66,.18), transparent 70%);
  border-radius:50%;
}
.megumi__inner{ display:grid; grid-template-columns:1.1fr .9fr; gap:64px; align-items:center; position:relative; z-index:2; }
.megumi__lead .en{
  font-family:var(--ff-en); font-style:italic; font-weight:300;
  font-size:1.3rem; letter-spacing:.12em; color:var(--c-leaf-lt); display:block; margin-bottom:14px;
}
.megumi__lead h2{
  font-family:var(--ff-serif); font-weight:700; font-size:2.1rem; line-height:1.5;
  letter-spacing:.04em; margin-bottom:24px;
}
.megumi__lead .product{
  font-family:var(--ff-serif); font-weight:700; font-size:3.4rem; color:var(--c-leaf-lt);
  letter-spacing:.1em; line-height:1; margin:32px 0 22px;
}
.megumi__lead p{ color:rgba(255,255,255,.86); font-size:1rem; }
.megumi__feats{ display:flex; flex-direction:column; gap:24px; }
.megumi-feat{
  background:rgba(255,255,255,.06); border:1px solid rgba(212,232,180,.25);
  border-radius:8px; padding:24px 28px;
}
.megumi-feat .num{ font-family:var(--ff-en); font-style:italic; color:var(--c-leaf); font-size:1rem; }
.megumi-feat h3{ font-family:var(--ff-serif); font-weight:700; font-size:1.15rem; color:#fff; margin:4px 0 8px; }
.megumi-feat p{ color:rgba(255,255,255,.8); font-size:.9rem; }
.megumi__closing{
  text-align:center; margin-top:56px; position:relative; z-index:2;
  color:rgba(255,255,255,.9);
}
.megumi__closing strong{ color:var(--c-leaf-lt); font-weight:700; }

/* =========================================================
   施工事例プレビュー
   ========================================================= */
.works__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.work-thumb{
  position:relative; aspect-ratio:1/1; overflow:hidden; border-radius:8px;
  box-shadow:var(--shadow-card);
}
.work-thumb img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.work-thumb:hover img{ transform:scale(1.07); }
.work-thumb__cap{
  position:absolute; inset:0; display:flex; flex-direction:column; justify-content:flex-end;
  padding:18px; color:#fff; opacity:0; transition:opacity .3s ease;
  background:linear-gradient(to top, rgba(45,80,22,.82), rgba(45,80,22,0) 70%);
}
.work-thumb:hover .work-thumb__cap{ opacity:1; }
.work-thumb__cap .t{ font-family:var(--ff-serif); font-weight:700; font-size:1rem; }
.works__more{ text-align:center; margin-top:48px; }

/* =========================================================
   会社案内
   ========================================================= */
.company__inner{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start; }
.company__msg p{ margin-bottom:20px; }
.company__msg .sign{
  text-align:right; font-family:var(--ff-serif); font-weight:700;
  color:var(--c-text); margin-top:28px; font-size:1.05rem;
}
.company__photo{ margin-bottom:24px; }
.company__photo img{ width:100%; max-width:240px; height:auto; border-radius:4px; display:block; }
.company__table{ width:100%; border-collapse:collapse; font-size:.92rem; }
.company__table th,.company__table td{
  text-align:left; padding:14px 18px; border:1px solid #ddd9d2; vertical-align:top;
}
.company__table th{
  background:var(--c-leaf-lt); color:var(--c-deep); font-weight:700;
  white-space:nowrap; width:34%;
}
.company__table td{ background:#fff; color:var(--c-body); }

/* =========================================================
   CTA
   ========================================================= */
.cta{ background:var(--c-deep); color:#fff; text-align:center; }
.cta .en{
  font-family:var(--ff-en); font-style:italic; font-weight:300; font-size:1.3rem;
  letter-spacing:.12em; color:var(--c-leaf-lt); display:block; margin-bottom:14px;
}
.cta h2{ font-family:var(--ff-serif); font-weight:700; font-size:2rem; line-height:1.5; }
.cta p{ margin-top:20px; color:rgba(255,255,255,.85); }
.cta__btns{ margin-top:40px; display:flex; gap:20px; justify-content:center; flex-wrap:wrap; }
.cta__tel{ margin-top:32px; font-size:.95rem; color:rgba(255,255,255,.8); }
.cta__tel a{ font-family:var(--ff-serif); font-weight:700; font-size:1.8rem; color:#fff; letter-spacing:.04em; }

/* =========================================================
   フッター
   ========================================================= */
.footer{ background:#1f2a14; color:rgba(255,255,255,.7); padding:64px 0 32px; }
.footer__inner{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:40px; }
.footer__brand img{ height:44px; margin-bottom:16px; margin-left:-12px; }
.footer__brand .tag{ font-family:var(--ff-serif); color:var(--c-leaf-lt); font-size:1rem; }
.footer__brand address{ font-style:normal; font-size:.85rem; line-height:1.9; margin-top:14px; }
.footer__brand address a{ color:inherit; text-decoration:none; }
.footer__nav ul{ display:flex; flex-direction:column; gap:12px; font-size:.9rem; }
.footer__nav a:hover{ color:var(--c-leaf-lt); }
.footer__copy{ text-align:center; margin-top:48px; font-size:.78rem; color:rgba(255,255,255,.45); letter-spacing:.05em; }

/* =========================================================
   施工事例ページ（works.html）
   ========================================================= */
.page-hero{
  background:var(--c-deep); color:#fff; text-align:center;
  padding:calc(var(--header-h) + 72px) 0 72px;
}
.page-hero .en{ font-family:var(--ff-en); font-style:italic; color:var(--c-leaf-lt); font-size:1.3rem; letter-spacing:.12em; display:block; margin-bottom:12px; }
.page-hero h1{ font-family:var(--ff-serif); font-weight:700; font-size:2.4rem; letter-spacing:.06em; }
.page-hero p{ margin-top:20px; color:rgba(255,255,255,.85); max-width:720px; margin-left:auto; margin-right:auto; }

.gallery{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.gallery-card{
  background:#fff; border-radius:8px; overflow:hidden; box-shadow:var(--shadow-card);
  transition:box-shadow .3s ease, transform .3s ease; cursor:pointer;
}
.gallery-card:hover{ box-shadow:var(--shadow-card-hover); transform:translateY(-4px); }
.gallery-card__img{ aspect-ratio:4/3; overflow:hidden; }
.gallery-card__img img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.gallery-card:hover .gallery-card__img img{ transform:scale(1.06); }
.gallery-card__body{ padding:18px 22px 22px; }
.gallery-card__body .date{ font-family:var(--ff-en); font-style:italic; color:var(--c-leaf); font-size:.9rem; }
.gallery-card__body h3{ font-family:var(--ff-serif); font-weight:700; font-size:1.05rem; color:var(--c-text); margin-top:4px; line-height:1.5; }
.gallery-card__body .cnt{ font-size:.8rem; color:var(--c-muted); margin-top:8px; }

/* ライトボックス */
.lightbox{
  position:fixed; inset:0; background:rgba(15,20,8,.94); z-index:200;
  display:none; align-items:center; justify-content:center; padding:40px;
}
.lightbox.open{ display:flex; }
.lightbox__stage{ max-width:1100px; width:100%; text-align:center; }
.lightbox__head{ color:#fff; margin-bottom:18px; }
.lightbox__head .date{ font-family:var(--ff-en); font-style:italic; color:var(--c-leaf-lt); }
.lightbox__head h3{ font-family:var(--ff-serif); font-weight:700; font-size:1.4rem; margin-top:4px; }
.lightbox__img{ position:relative; }
.lightbox__img img{ max-height:72vh; width:auto; margin:0 auto; border-radius:6px; }
.lightbox__count{ color:rgba(255,255,255,.7); margin-top:14px; font-size:.85rem; letter-spacing:.1em; }
.lb-btn{
  position:absolute; top:50%; transform:translateY(-50%);
  width:54px; height:54px; border-radius:50%; background:rgba(255,255,255,.14);
  color:#fff; font-size:1.6rem; display:flex; align-items:center; justify-content:center;
  transition:background .2s ease;
}
.lb-btn:hover{ background:rgba(255,255,255,.28); }
.lb-prev{ left:-8px; } .lb-next{ right:-8px; }
.lightbox__close{
  position:absolute; top:24px; right:32px; width:48px; height:48px;
  color:#fff; font-size:2rem; line-height:1;
}

/* =========================================================
   お問い合わせ（contact.html）
   ========================================================= */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start; }
.contact-info h3{ font-family:var(--ff-serif); font-weight:700; font-size:1.3rem; color:var(--c-text); margin-bottom:20px; }
.contact-info .row{ margin-bottom:22px; }
.contact-info .label{ font-size:.8rem; color:var(--c-leaf); font-weight:700; letter-spacing:.08em; }
.contact-info .val{ font-size:1.05rem; color:var(--c-text); }
.contact-info .val.tel{ font-family:var(--ff-serif); font-weight:700; font-size:1.8rem; }
.form-field{ margin-bottom:22px; }
.form-field label{ display:block; font-size:.9rem; font-weight:700; color:var(--c-text); margin-bottom:8px; }
.form-field label .req{ color:#c0392b; font-size:.8rem; margin-left:6px; }
.form-field input,.form-field textarea,.form-field select{
  width:100%; padding:14px 16px; border:1px solid #cfccc4; border-radius:4px;
  font-family:inherit; font-size:1rem; color:var(--c-text); background:#fff;
  transition:border-color .2s ease;
}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{
  outline:none; border-color:var(--c-leaf);
}
.form-field textarea{ min-height:140px; resize:vertical; }
.form-note{ font-size:.82rem; color:var(--c-muted); margin-top:6px; }

/* ご連絡方法カード（電話・メール） */
.contact-action{
  display:flex; align-items:center; gap:20px; padding:22px 26px;
  border:1px solid #dcd9d2; border-radius:8px; background:#fff;
  margin-bottom:16px; transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.contact-action:hover{ border-color:var(--c-leaf); box-shadow:var(--shadow-card); transform:translateY(-2px); }
.contact-action__ico{
  flex:0 0 52px; width:52px; height:52px; border-radius:50%;
  background:var(--c-leaf-lt); color:var(--c-deep);
  display:flex; align-items:center; justify-content:center;
}
.contact-action__ico svg{ width:26px; height:26px; }
.contact-action__body{ display:flex; flex-direction:column; }
.contact-action__label{ font-size:.82rem; color:var(--c-leaf); font-weight:700; letter-spacing:.06em; }
.contact-action__main{ font-family:var(--ff-serif); font-weight:700; font-size:1.5rem; color:var(--c-text); letter-spacing:.02em; }

/* =========================================================
   スクロール演出
   ========================================================= */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:none; }
.reveal.d1{ transition-delay:.1s; } .reveal.d2{ transition-delay:.2s; } .reveal.d3{ transition-delay:.3s; }

/* =========================================================
   レスポンシブ
   ========================================================= */
@media (max-width:980px){
  .megumi__inner{ grid-template-columns:1fr; gap:40px; }
  .company__inner{ grid-template-columns:1fr; gap:40px; }
  .contact-grid{ grid-template-columns:1fr; gap:40px; }
  .services__grid{ grid-template-columns:repeat(2,1fr); }
  .works__grid{ grid-template-columns:repeat(2,1fr); }
  .gallery{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width:768px){
  :root{ --header-h:100px; }
  .wrap{ padding:0 20px; }
  .section{ padding:72px 0; }
  .section-head{ margin-bottom:44px; }
  .section-head h2{ font-size:1.4rem; line-height:1.5; letter-spacing:0; }
  .svc-hero__inner h1, .section-head h2, .reason h3, .svc-lead__txt h2{ text-wrap:balance; }
  .section-head .en{ font-size:1.05rem; }

  /* モバイルナビ */
  .nav-toggle{ display:block; }
  .header{ height:auto; }
  /* 2段目が墨消えで畳まれた後（.34s遅れ）、本体もすっと締まる（墨と同じ easing） */
  .header .wrap{ flex-wrap:wrap; padding-top:13px; padding-bottom:11px; transition:padding .5s cubic-bezier(.4,0,.2,1) .34s; }
  .header.scrolled .wrap{ padding-top:9px; padding-bottom:9px; }
  .header__logo{ margin-left:0; }
  /* === 言語スイッチャー：墨消えモーション（A案・自動でだんだん） === */
  /* 開いた状態。常に flex で置き、scrolled で右→左に墨が引くように消え、消えてから2段目を畳む */
  .lang-switch{
    display:flex; order:3; flex-basis:100%; margin:3px 0 0; justify-content:flex-end;
    gap:20px; padding:5px 0 1px; border-top:1px solid rgba(255,255,255,.07);
    overflow:hidden; max-height:44px;
    transition:max-height .5s cubic-bezier(.4,0,.2,1), padding .5s ease, margin .5s ease, border-color .4s ease;
  }
  .lang-switch .lang-opt{
    font-size:.8rem; padding:2px 2px;
    transition:opacity .45s ease, transform .5s cubic-bezier(.33,0,.2,1), filter .45s ease;
  }
  /* stagger（右→左／左→右の時間差）は main.js が scrolled トグル時に各 lang-opt の
     transition-delay を inline 付与する（CSS の :nth-child では transition ショートハンドに
     上書きされ効かなかったため。375px 実測で確認）。 */
  /* 墨消え：scrolled で文字が上へ吸われ、にじんで消える。遅れて2段目が畳まれる */
  .header.scrolled .lang-switch{
    max-height:0; padding-top:0; padding-bottom:0; margin-top:0; border-color:transparent;
    transition:max-height .45s cubic-bezier(.4,0,.2,1) .34s, padding .45s ease .34s, margin .45s ease .34s, border-color .3s ease .34s;
  }
  .header.scrolled .lang-switch .lang-opt{ opacity:0; transform:translateY(-12px); filter:blur(3px); }
  .header__nav{
    position:fixed; inset:0; background:var(--c-deep);
    display:flex; align-items:center; justify-content:center;
    transform:translateX(100%); transition:transform .35s ease;
  }
  .nav-open .header__nav{ transform:translateX(0); }
  .header__nav ul{ flex-direction:column; gap:28px; text-align:center; }
  .header__nav a{ font-size:1.25rem; }
  .header.scrolled .header__nav{ background:var(--c-deep); }

  .hero{ min-height:auto; padding:calc(var(--header-h) + 56px) 0 0; }
  .hero__grid{ grid-template-columns:1fr; gap:32px; }
  .hero h1{ font-size:1.7rem; line-height:1.55; letter-spacing:.01em; }
  .hero__sub{ font-size:.95rem; }
  .hero__media{ aspect-ratio:16/10; }
  .hero__scroll{ display:none; }
  .section{ padding:56px 0; }

  .reasons__grid{ grid-template-columns:1fr; gap:18px; }
  .reason{ padding:26px 22px; gap:16px; }
  .reason__icon{ flex:0 0 44px; width:44px; height:44px; }
  .reason__num{ font-size:1rem; }
  .reason h3{ font-size:1.1rem; line-height:1.45; letter-spacing:0; }
  .reason p{ font-size:.9rem; }
  .services__grid{ grid-template-columns:1fr; }
  .works__grid{ grid-template-columns:1fr 1fr; gap:10px; }
  .work-thumb__cap{ opacity:1; background:linear-gradient(to top, rgba(45,80,22,.78), transparent 60%); padding:12px; }
  .work-thumb__cap .t{ font-size:.78rem; }

  .megumi__lead h2{ font-size:1.6rem; }
  .megumi__lead .product{ font-size:2.6rem; }

  .company__table{ font-size:.88rem; }
  .company__table th,.company__table td{ padding:11px 12px; }
  .company__table th{ width:5.5em; }
  .company__table td{ line-height:1.75; }

  .cta h2{ font-size:1.5rem; }
  .cta__btns{ flex-direction:column; align-items:stretch; }
  .cta__tel a{ font-size:1.5rem; }

  .page-hero h1{ font-size:1.7rem; }
  .gallery{ grid-template-columns:1fr 1fr; gap:12px; }
  .gallery-card__body{ padding:14px 14px 16px; }
  .gallery-card__body h3{ font-size:.92rem; }

  .footer__inner{ flex-direction:column; gap:28px; }
  .lb-prev{ left:0; } .lb-next{ right:0; }
  .lb-btn{ width:44px; height:44px; }
}

@media (max-width:359px){
  .works__grid{ grid-template-columns:1fr; }
  .gallery{ grid-template-columns:1fr; }
}

/* ===== サービス専用ページ ===== */
.svc-hero{ position:relative; min-height:400px; display:flex; align-items:center; color:#fff; overflow:hidden; }
.svc-hero__bg{ position:absolute; inset:0; background-size:cover; background-position:center; }
.svc-hero__overlay{ position:absolute; inset:0; background:linear-gradient(90deg,rgba(20,28,18,.82),rgba(20,28,18,.45) 60%,rgba(20,28,18,.12)); }
.svc-hero .wrap{ position:relative; z-index:2; padding-top:var(--header-h); }
.svc-hero__inner{ max-width:680px; }
.svc-hero__inner .en{ font-family:var(--ff-en); font-style:italic; color:var(--c-leaf-lt); font-size:1.2rem; letter-spacing:.14em; display:block; margin-bottom:10px; }
.svc-hero__inner h1{ font-family:var(--ff-serif); font-weight:700; font-size:2.6rem; letter-spacing:.06em; }
.svc-hero__inner p{ margin-top:18px; font-size:1.05rem; line-height:1.9; }
.svc-lead{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.svc-lead__txt h2{ font-family:var(--ff-serif); font-weight:700; font-size:1.9rem; line-height:1.5; color:var(--c-deep); margin-bottom:24px; }
.svc-lead__txt p{ color:var(--c-body); margin-bottom:16px; }
.svc-lead__img img{ border-radius:12px; box-shadow:var(--shadow-card-hover); width:100%; }
.svc-menu{ display:grid; grid-template-columns:repeat(2,1fr); gap:0 48px; max-width:860px; margin:0 auto; }
.svc-menu li{ display:flex; align-items:center; gap:16px; padding:20px 4px; border-bottom:1px solid rgba(0,0,0,.1); font-family:var(--ff-serif); font-size:1.1rem; color:var(--c-text); }
.svc-menu li .n{ font-family:var(--ff-en); font-style:italic; color:var(--c-leaf); font-size:1rem; }
.svc-menu__note{ text-align:center; margin-top:32px; color:var(--c-muted); }
@media (max-width:768px){
  .svc-hero{ min-height:340px; }
  .svc-hero .wrap{ padding-top:78px; padding-bottom:26px; }
  .svc-hero__inner h1{ font-size:1.85rem; letter-spacing:.01em; }
  .svc-hero__inner p{ font-size:.95rem; line-height:1.85; }
  .svc-lead{ grid-template-columns:1fr; gap:32px; }
  .svc-lead__txt h2{ font-size:1.25rem; line-height:1.6; letter-spacing:0; }
  .svc-lead__txt p{ font-size:.92rem; }
  .svc-menu{ grid-template-columns:1fr; max-width:480px; }
  .svc-menu li{ font-size:1rem; }
}

/* ===== サービスページ追加要素（価格表・お悩み・保険枠） ===== */
.price-wrap{ display:grid; grid-template-columns:1fr 1fr; gap:26px; align-items:start; }
.price-scroll{ overflow-x:auto; -webkit-overflow-scrolling:touch; }
.price-table{ width:100%; border-collapse:collapse; font-family:var(--ff-serif); }
.price-table caption{ caption-side:top; text-align:left; font-weight:700; color:var(--c-deep); font-size:1rem; padding:0 2px 8px; }
.price-table th,.price-table td{ border:1px solid rgba(0,0,0,.12); text-align:center; padding:9px 6px; font-size:.82rem; white-space:nowrap; vertical-align:middle; }
.price-table thead th{ background:var(--c-deep); color:#fff; font-weight:700; font-size:.76rem; line-height:1.3; }
.price-table tbody th,.price-table tbody td{ height:62px; }
.price-table tbody th{ text-align:left; font-weight:500; color:var(--c-text); white-space:normal; line-height:1.3; }
.price-table tbody td{ color:var(--c-deep); font-weight:700; }
.price-table tbody tr:nth-child(even){ background:rgba(0,0,0,.03); }
.trouble-list{ display:grid; grid-template-columns:1fr 1fr; gap:16px; list-style:none; }
.trouble-list li{ padding:20px 22px; background:#fff; border-left:3px solid var(--c-leaf); border-radius:6px; box-shadow:0 4px 16px rgba(0,0,0,.06); color:var(--c-body); line-height:1.85; }
.insurance-note{ background:#fff; border-radius:14px; padding:36px; box-shadow:0 4px 16px rgba(0,0,0,.06); color:var(--c-body); line-height:2.05; }
@media(max-width:768px){
  .price-wrap{ grid-template-columns:1fr; gap:30px; }
  .price-table th,.price-table td{ font-size:.82rem; padding:8px 5px; }
  .price-table thead th{ font-size:.72rem; }
  .trouble-list{ grid-template-columns:1fr; }
  .insurance-note{ padding:26px 22px; }
}

/* 酔いやすい方へ：墨消えモーションを即時切替にする（アクセシビリティ配慮） */
@media (prefers-reduced-motion: reduce){
  .lang-switch, .lang-switch .lang-opt{ transition-duration:.001ms !important; transition-delay:0s !important; }
}

/* 多言語：祖父の言葉 訳添え（日本語原文を主に・訳を従に） */
.hero__translation, .footer__translation {
  display: block;
  font-size: 1.4rem;
  line-height: 1.6;
  opacity: .7;
  margin-top: .5em;
  letter-spacing: .03em;
  font-style: normal;
}

.price-table .pcell{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center}
.price-table .pthumb{width:52px;height:52px;object-fit:cover;border-radius:6px}
.price-table .pname{line-height:1.4;font-size:.92em}