/* 深美建設 — FUKAMI / 共通スタイル
   モノトーン(#111/白) + 木のアクセント / ミニマル上質 */

:root {
  --ink: #111111;
  --ink-soft: #2c2c2c;
  --gray: #6c6c6c;
  --gray-light: #9a9a9a;
  --line: #e2e0db;
  --line-strong: #c9c6bf;
  --paper: #ffffff;
  --paper-warm: #f6f4ef;
  --paper-warm2: #efece4;
  --wood: #9a6f43;
  --wood-deep: #7c5530;
  --wood-pale: #c9a878;
  --maxw: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans JP", sans-serif;
  color: var(--ink-soft);
  background: var(--paper);
  line-height: 2;
  font-size: 15px;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, .mincho {
  font-family: "Shippori Mincho", serif;
  color: var(--ink);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

a { color: var(--ink); text-decoration: none; transition: color .3s, opacity .3s; }
a:hover { color: var(--wood-deep); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.wrap { width: min(var(--maxw), 90vw); margin-inline: auto; }
.narrow { width: min(820px, 90vw); margin-inline: auto; }
.en { font-family: "Shippori Mincho", serif; letter-spacing: .18em; text-transform: uppercase; }

/* ---------- セクション見出し ---------- */
.sec-label {
  display: block;
  font-family: "Shippori Mincho", serif;
  font-size: .72rem;
  letter-spacing: .35em;
  color: var(--wood-deep);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.sec-title {
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.55;
  margin-bottom: 1.4rem;
}
.sec-lead { color: var(--gray); max-width: 46em; font-size: .95rem; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0);
  transition: background .4s, box-shadow .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.site-header.solid {
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  width: min(var(--maxw), 92vw); margin-inline: auto;
  padding: 22px 0;
}
.brand { line-height: 1.1; }
.brand .jp { font-family: "Shippori Mincho", serif; font-size: 1.2rem; letter-spacing: .14em; color: var(--ink); }
.brand .en-sub { display: block; font-family: "Shippori Mincho", serif; font-size: .58rem; letter-spacing: .42em; color: var(--gray); margin-top: 3px; }
.site-header.hero-mode .brand .jp,
.site-header.hero-mode .brand .en-sub { color: #fff; }
.site-header.hero-mode.solid .brand .jp { color: var(--ink); }
.site-header.hero-mode.solid .brand .en-sub { color: var(--gray); }

.nav { display: flex; align-items: center; gap: 2rem; }
.nav a {
  font-family: "Shippori Mincho", serif;
  font-size: .82rem; letter-spacing: .14em; color: var(--ink-soft);
  position: relative;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 1px; width: 0;
  background: var(--wood-deep); transition: width .3s;
}
.nav a:hover::after, .nav a[aria-current="page"]::after { width: 100%; }
.nav a[aria-current="page"] { color: var(--wood-deep); }
.site-header.hero-mode:not(.solid) .nav a { color: rgba(255,255,255,.92); }
.site-header.hero-mode:not(.solid) .nav a::after { background: #fff; }

.nav-cta {
  border: 1px solid var(--ink); padding: .55em 1.4em; border-radius: 0;
  font-size: .78rem !important; letter-spacing: .12em;
}
.nav-cta:hover { background: var(--ink); color: #fff !important; }
.site-header.hero-mode:not(.solid) .nav-cta { border-color: rgba(255,255,255,.7); }
.site-header.hero-mode:not(.solid) .nav-cta:hover { background: #fff; color: var(--ink) !important; }

.burger { display: none; width: 30px; height: 22px; position: relative; background: none; border: 0; cursor: pointer; }
.burger span { position: absolute; left: 0; width: 100%; height: 1.5px; background: var(--ink); transition: .3s; }
.burger span:nth-child(1){ top: 0; } .burger span:nth-child(2){ top: 50%; transform: translateY(-50%); } .burger span:nth-child(3){ bottom: 0; }
.site-header.hero-mode:not(.solid) .burger span { background: #fff; }
body.menu-open .burger span:nth-child(1){ top: 50%; transform: translateY(-50%) rotate(45deg); }
body.menu-open .burger span:nth-child(2){ opacity: 0; }
body.menu-open .burger span:nth-child(3){ bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* ---------- ヒーロー(トップ) ---------- */
.hero { position: relative; height: 100vh; min-height: 600px; overflow: hidden; display: flex; align-items: flex-end; }
.hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.32) 0%, rgba(0,0,0,0) 40%, rgba(0,0,0,.55) 100%); }
.hero-copy { position: relative; z-index: 2; color: #fff; width: min(var(--maxw), 90vw); margin-inline: auto; padding-bottom: 9vh; }
.hero-copy h1 { color: #fff; font-size: clamp(1.9rem, 5.2vw, 3.7rem); line-height: 1.7; letter-spacing: .08em; font-weight: 400; }
.hero-copy .sub { margin-top: 1.6rem; font-size: .9rem; letter-spacing: .08em; color: rgba(255,255,255,.85); max-width: 34em; }
.hero-scroll { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); z-index: 3; color: rgba(255,255,255,.8); font-size: .6rem; letter-spacing: .3em; writing-mode: vertical-rl; }
.hero-scroll::after { content: ""; display: block; width: 1px; height: 48px; background: rgba(255,255,255,.6); margin: 12px auto 0; animation: scrolldn 2s 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; } }

/* ---------- 下層ページ見出し ---------- */
.page-head { padding: 168px 0 56px; border-bottom: 1px solid var(--line); }
.page-head .sec-label { margin-bottom: .8rem; }
.page-head h1 { font-size: clamp(1.8rem, 4.4vw, 3rem); line-height: 1.4; }
.page-head .desc { color: var(--gray); margin-top: 1.2rem; max-width: 44em; font-size: .95rem; }

/* ---------- パンくず ---------- */
.crumbs { padding: 18px 0; font-size: .72rem; color: var(--gray-light); letter-spacing: .06em; }
.crumbs a { color: var(--gray); }
.crumbs span { margin: 0 .55em; color: var(--line-strong); }

/* ---------- セクション余白 ---------- */
.section { padding: clamp(72px, 11vw, 140px) 0; }
.section.warm { background: var(--paper-warm); }
.section.dark { background: var(--ink); color: rgba(255,255,255,.82); }
.section.dark h1, .section.dark h2, .section.dark h3 { color: #fff; }
.section.dark .sec-label { color: var(--wood-pale); }
.section.dark .sec-lead { color: rgba(255,255,255,.6); }

/* ---------- ボタン ---------- */
.btn { display: inline-flex; align-items: center; gap: .9em; font-family: "Shippori Mincho", serif; font-size: .85rem; letter-spacing: .14em; border: 1px solid var(--ink); padding: 1em 2.4em; transition: .3s; }
.btn .arw { transition: transform .3s; }
.btn:hover { background: var(--ink); color: #fff; } .btn:hover .arw { transform: translateX(6px); }
.btn.light { border-color: rgba(255,255,255,.55); color: #fff; }
.btn.light:hover { background: #fff; color: var(--ink); }
.btn.wood { border-color: var(--wood-deep); color: var(--wood-deep); }
.btn.wood:hover { background: var(--wood-deep); color: #fff; }

/* ---------- 哲学コピー(トップ) ---------- */
.philosophy { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.philosophy .lead { font-family: "Shippori Mincho", serif; font-size: clamp(1.25rem, 2.6vw, 1.9rem); line-height: 2.2; letter-spacing: .06em; color: var(--ink); }
.philosophy p.body { color: var(--gray); font-size: .95rem; margin-top: 1.6rem; }
.philosophy .img-stack { position: relative; }
.philosophy .img-stack img:first-child { width: 82%; }
.philosophy .img-stack img:last-child { position: absolute; bottom: -16%; right: 0; width: 46%; border: 8px solid #fff; box-shadow: 0 24px 50px rgba(0,0,0,.14); }

/* ---------- 代表作 / works grid ---------- */
.works-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.6rem, 4vw, 3.5rem); }
.work-card { display: block; }
.work-card .thumb { overflow: hidden; aspect-ratio: 4/3; }
.work-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s cubic-bezier(.22,1,.36,1); }
.work-card:hover .thumb img { transform: scale(1.05); }
.work-card .meta { margin-top: 1.1rem; display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.work-card .ttl { font-family: "Shippori Mincho", serif; font-size: 1.1rem; color: var(--ink); }
.work-card .tag { font-size: .7rem; letter-spacing: .16em; color: var(--wood-deep); }
.work-card .loc { font-size: .78rem; color: var(--gray-light); margin-top: .2rem; }
.work-card:hover .ttl { color: var(--wood-deep); }
.works-grid.feature .work-card:first-child { grid-column: 1 / -1; }
.works-grid.feature .work-card:first-child .thumb { aspect-ratio: 21/9; }

/* 絞り込み風 */
.filter-bar { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; align-items: center; border-bottom: 1px solid var(--line); padding-bottom: 1.2rem; margin-bottom: 3rem; }
.filter-bar .grp { font-size: .72rem; letter-spacing: .08em; }
.filter-bar .grp b { font-family: "Shippori Mincho", serif; color: var(--ink); margin-right: .8rem; font-weight: 400; }
.chip { display: inline-block; font-size: .76rem; padding: .35em 1.1em; border: 1px solid var(--line-strong); color: var(--gray); margin-right: .4rem; transition: .25s; }
.chip:hover, .chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- 流れ(抜粋/詳細) ---------- */
.flow-row { display: grid; grid-template-columns: 88px 1fr; gap: 2rem; padding: 2.4rem 0; border-bottom: 1px solid var(--line); align-items: start; }
.flow-row .no { font-family: "Shippori Mincho", serif; font-size: 1.6rem; color: var(--wood-pale); border-bottom: 1px solid var(--wood-pale); padding-bottom: .3rem; display: inline-block; }
.flow-row h3 { font-size: 1.25rem; margin-bottom: .6rem; }
.flow-row p { color: var(--gray); font-size: .92rem; }
.flow-row .when { font-size: .72rem; letter-spacing: .1em; color: var(--wood-deep); margin-top: .6rem; }

/* ---------- お客様の声 ---------- */
.voice-card { background: #fff; border: 1px solid var(--line); padding: clamp(1.8rem, 4vw, 3rem); }
.section.warm .voice-card { background: #fff; }
.voice-card .quote { font-family: "Shippori Mincho", serif; font-size: 1.15rem; line-height: 2; color: var(--ink); margin-bottom: 1.6rem; }
.voice-card .who { display: flex; align-items: center; gap: 1rem; }
.voice-card .who img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; }
.voice-card .who .nm { font-family: "Shippori Mincho", serif; color: var(--ink); font-size: .95rem; }
.voice-card .who .sub2 { font-size: .74rem; color: var(--gray-light); }
.voice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }
.voice-points { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.2rem; }
.voice-points span { font-size: .72rem; color: var(--wood-deep); border: 1px solid var(--wood-pale); padding: .2em .9em; }

/* ---------- CTA帯 ---------- */
.cta-band { background: var(--ink); color: #fff; text-align: left; }
.cta-band .inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2rem; align-items: center; }
.cta-band h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); line-height: 1.7; }
.cta-band p { color: rgba(255,255,255,.65); font-size: .9rem; margin-top: 1rem; }
.cta-band .actions { display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }
.cta-band .tel { font-family: "Shippori Mincho", serif; font-size: 1.5rem; color: #fff; letter-spacing: .06em; }
.cta-band .tel small { display: block; font-size: .68rem; letter-spacing: .2em; color: var(--wood-pale); margin-bottom: .3rem; }

/* ---------- 施工事例 詳細 ---------- */
.work-hero { height: 70vh; min-height: 460px; position: relative; }
.work-hero img { width: 100%; height: 100%; object-fit: cover; }
.work-intro { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,5rem); }
.work-intro .lead { font-family: "Shippori Mincho", serif; font-size: clamp(1.2rem,2.4vw,1.7rem); line-height: 2; color: var(--ink); }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { text-align: left; padding: .95rem 0; border-bottom: 1px solid var(--line); font-size: .88rem; vertical-align: top; }
.data-table th { width: 7.5em; font-family: "Shippori Mincho", serif; font-weight: 400; color: var(--ink); }
.data-table td { color: var(--gray); }
.gallery { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1.2rem; }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
.gallery .g-big { grid-column: span 8; aspect-ratio: 16/10; }
.gallery .g-sm { grid-column: span 4; aspect-ratio: 4/5; }
.gallery .g-half { grid-column: span 6; aspect-ratio: 3/2; }
.gallery .g-full { grid-column: span 12; aspect-ratio: 21/9; }

.pull-quote { border-left: 2px solid var(--wood-deep); padding-left: 1.8rem; font-family: "Shippori Mincho", serif; font-size: clamp(1.1rem,2.2vw,1.5rem); line-height: 2; color: var(--ink); }

.work-nav { display: flex; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 2rem; margin-top: 4rem; font-size: .82rem; }
.work-nav .en { font-size: .68rem; color: var(--gray-light); display: block; letter-spacing: .2em; }

/* ---------- 2カラム本文 ---------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,5rem); align-items: start; }
.prose p { color: var(--gray); margin-bottom: 1.3rem; }
.prose h3 { font-size: 1.3rem; margin: 2.4rem 0 1rem; }
.prose h2 { font-size: 1.6rem; margin: 0 0 1.2rem; }

/* 素材リスト(コンセプト) */
.material-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.material-grid .item img { aspect-ratio: 1/1; object-fit: cover; width: 100%; }
.material-grid .item h4 { font-size: 1.05rem; margin: 1rem 0 .4rem; }
.material-grid .item p { font-size: .84rem; color: var(--gray); }

/* ---------- サービス ---------- */
.service-block { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4.5rem); align-items: center; padding: clamp(3rem,7vw,6rem) 0; border-bottom: 1px solid var(--line); }
.service-block:nth-child(even) .txt { order: 2; }
.service-block .num { font-family: "Shippori Mincho", serif; font-size: .8rem; letter-spacing: .2em; color: var(--wood-deep); }
.service-block h3 { font-size: clamp(1.4rem,2.6vw,1.9rem); margin: .6rem 0 1.2rem; }
.service-block ul.feats { margin-top: 1.4rem; }
.service-block ul.feats li { position: relative; padding-left: 1.4rem; font-size: .9rem; color: var(--gray); margin-bottom: .5rem; }
.service-block ul.feats li::before { content: ""; position: absolute; left: 0; top: .85em; width: 8px; height: 1px; background: var(--wood-deep); }
.price-tag { font-family: "Shippori Mincho", serif; color: var(--ink); margin-top: 1.4rem; font-size: .95rem; }
.price-tag span { font-size: .72rem; color: var(--gray-light); margin-left: .5em; }

/* ---------- スタッフ ---------- */
.staff-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: clamp(2rem,5vw,4rem); }
.staff-card .photo { aspect-ratio: 3/4; overflow: hidden; }
.staff-card .photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s cubic-bezier(.22,1,.36,1); filter: grayscale(.15); }
.staff-card:hover .photo img { transform: scale(1.04); }
.staff-card .role { font-size: .72rem; letter-spacing: .16em; color: var(--wood-deep); margin: 1.2rem 0 .3rem; }
.staff-card .nm { font-family: "Shippori Mincho", serif; font-size: 1.3rem; color: var(--ink); }
.staff-card .nm small { font-size: .68rem; color: var(--gray-light); letter-spacing: .14em; margin-left: .7em; }
.staff-card .bio { font-size: .88rem; color: var(--gray); margin-top: .9rem; }
.staff-card .career { font-size: .76rem; color: var(--gray-light); margin-top: .8rem; border-top: 1px solid var(--line); padding-top: .8rem; }

/* ---------- ブログ ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: clamp(1.6rem,3vw,2.6rem); }
.blog-card .thumb { aspect-ratio: 4/3; overflow: hidden; }
.blog-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s; }
.blog-card:hover .thumb img { transform: scale(1.05); }
.blog-card .cat { font-size: .68rem; letter-spacing: .14em; color: var(--wood-deep); margin: 1rem 0 .4rem; }
.blog-card h3 { font-size: 1.05rem; line-height: 1.7; }
.blog-card:hover h3 { color: var(--wood-deep); }
.blog-card .date { font-size: .72rem; color: var(--gray-light); margin-top: .6rem; }
.blog-meta { font-size: .76rem; color: var(--gray-light); letter-spacing: .06em; margin-bottom: 1.4rem; }
.article-hero { aspect-ratio: 16/8; overflow: hidden; margin-bottom: 3rem; }
.article-hero img { width:100%; height:100%; object-fit: cover; }
.article-body { font-size: .98rem; }
.article-body p { color: var(--ink-soft); margin-bottom: 1.5rem; }
.article-body h2 { font-size: 1.5rem; margin: 3rem 0 1.2rem; padding-bottom: .6rem; border-bottom: 1px solid var(--line); }
.article-body h3 { font-size: 1.2rem; margin: 2rem 0 .8rem; }
.article-body img { margin: 2rem 0; }
.article-body blockquote { border-left: 2px solid var(--wood-deep); padding-left: 1.4rem; color: var(--gray); font-family: "Shippori Mincho", serif; margin: 2rem 0; }

/* ---------- 採用 ---------- */
.recruit-points { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.recruit-points .item { border-top: 2px solid var(--ink); padding-top: 1.2rem; }
.recruit-points .item .n { font-family: "Shippori Mincho", serif; font-size: .8rem; color: var(--wood-deep); letter-spacing: .2em; }
.recruit-points .item h4 { font-size: 1.15rem; margin: .5rem 0 .6rem; }
.recruit-points .item p { font-size: .86rem; color: var(--gray); }
.job-table { width: 100%; border-collapse: collapse; }
.job-table th, .job-table td { text-align: left; padding: 1.1rem 1.2rem; border-bottom: 1px solid var(--line); font-size: .88rem; vertical-align: top; }
.job-table th { width: 9em; background: var(--paper-warm); font-family: "Shippori Mincho", serif; font-weight: 400; color: var(--ink); }
.job-table td { color: var(--gray); }

/* ---------- 会社概要 ---------- */
.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td { text-align: left; padding: 1.1rem 0; border-bottom: 1px solid var(--line); font-size: .9rem; vertical-align: top; }
.info-table th { width: 11em; font-family: "Shippori Mincho", serif; font-weight: 400; color: var(--ink); }
.info-table td { color: var(--gray); }
.map-embed { border: 0; width: 100%; aspect-ratio: 16/7; filter: grayscale(1) contrast(1.05); }

/* ---------- お問い合わせ ---------- */
.form { display: grid; gap: 1.5rem; }
.form .row { display: grid; gap: .5rem; }
.form label { font-family: "Shippori Mincho", serif; font-size: .85rem; color: var(--ink); }
.form label .req { color: var(--wood-deep); font-size: .7rem; margin-left: .5em; }
.form input, .form select, .form textarea {
  font-family: inherit; font-size: .92rem; font-weight: 300; color: var(--ink);
  border: 1px solid var(--line-strong); padding: .85em 1em; background: #fff; border-radius: 0; width: 100%;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--wood-deep); }
.form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form button { justify-self: start; cursor: pointer; background: var(--ink); color: #fff; border: 1px solid var(--ink); padding: 1em 3.2em; font-family: "Shippori Mincho", serif; letter-spacing: .14em; transition: .3s; }
.form button:hover { background: var(--wood-deep); border-color: var(--wood-deep); }

.contact-aside .line { border-bottom: 1px solid var(--line); padding: 1.2rem 0; }
.contact-aside .line .lab { font-size: .7rem; letter-spacing: .16em; color: var(--wood-deep); }
.contact-aside .line .val { font-family: "Shippori Mincho", serif; font-size: 1.15rem; color: var(--ink); margin-top: .2rem; }

/* ---------- フッター ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.6); padding: clamp(56px,8vw,90px) 0 40px; font-size: .82rem; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,.12); }
.site-footer .f-brand .jp { font-family: "Shippori Mincho", serif; font-size: 1.4rem; color: #fff; letter-spacing: .12em; }
.site-footer .f-brand .en-sub { font-family: "Shippori Mincho", serif; font-size: .6rem; letter-spacing: .4em; color: var(--wood-pale); display: block; margin-top: 4px; }
.site-footer .f-brand p { margin-top: 1.4rem; line-height: 1.9; color: rgba(255,255,255,.5); font-size: .8rem; }
.site-footer h4 { color: #fff; font-size: .78rem; letter-spacing: .18em; margin-bottom: 1.2rem; font-weight: 400; }
.site-footer .f-nav a { display: block; color: rgba(255,255,255,.6); padding: .35rem 0; font-size: .82rem; }
.site-footer .f-nav a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding-top: 2rem; font-size: .72rem; color: rgba(255,255,255,.4); }
.footer-bottom .demo { color: rgba(255,255,255,.45); }

/* ---------- フェードイン ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s cubic-bezier(.22,1,.36,1), transform 1s cubic-bezier(.22,1,.36,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .12s; } .reveal.d2 { transition-delay: .24s; } .reveal.d3 { transition-delay: .36s; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 900px) {
  .nav { position: fixed; inset: 0 0 0 auto; width: min(78vw, 340px); background: var(--paper-warm); flex-direction: column; align-items: flex-start; justify-content: center; gap: 1.6rem; padding: 4rem 2.4rem; transform: translateX(100%); transition: transform .4s cubic-bezier(.22,1,.36,1); box-shadow: -20px 0 60px rgba(0,0,0,.12); }
  body.menu-open .nav { transform: none; }
  .site-header.hero-mode:not(.solid) .nav a { color: var(--ink-soft); }
  .nav a { color: var(--ink-soft) !important; font-size: 1rem; }
  .nav-cta { color: var(--ink) !important; }
  .burger { display: block; z-index: 110; }
  .philosophy, .work-intro, .two-col, .cta-band .inner, .service-block, .service-block:nth-child(even) .txt { grid-template-columns: 1fr; }
  .service-block:nth-child(even) .txt { order: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  body { line-height: 1.95; }
  .works-grid, .voice-grid, .blog-grid, .material-grid, .recruit-points, .staff-grid { grid-template-columns: 1fr; }
  .works-grid.feature .work-card:first-child .thumb { aspect-ratio: 4/3; }
  .gallery .g-big, .gallery .g-sm, .gallery .g-half { grid-column: span 12; aspect-ratio: 3/2; }
  .philosophy .img-stack img:last-child { position: static; width: 60%; margin-top: 1rem; margin-left: auto; }
  .cta-band .actions { align-items: stretch; }
  .form .two { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
  .page-head { padding: 130px 0 44px; }
  .flow-row { grid-template-columns: 56px 1fr; gap: 1.2rem; }
  .btn { padding: .9em 1.8em; font-size: .8rem; }
}