/* =========================================================
   SOKA Architects（架空サンプル）— style.css
   テイスト：超ミニマル・建築的エディトリアル
   オフホワイト × 近黒 ＋ 控えめなテラコッタ(ラスト)の1差し色
   ========================================================= */

:root {
  --paper:   #F6F5F2;   /* オフホワイト */
  --paper-2: #EFEDE7;
  --paper-3: #E5E2DA;
  --ink:     #14150F;   /* 近黒 */
  --ink-2:   #2C2D26;
  --muted:   #6A6B62;   /* オフホワイト地で4.5:1以上 */
  --muted-2: #9A9B91;
  --line:    #D8D5CB;
  --line-2:  #C7C3B7;
  --accent:  #9C5B3B;   /* テラコッタ / ラスト */
  --accent-d:#824931;
  --stone:   #BFB7A6;   /* 淡いストーン */

  --maxw: 1440px;
  --gutter: clamp(18px, 3.4vw, 56px);
  --ease: cubic-bezier(.22,1,.36,1);
  --ease-2: cubic-bezier(.65,0,.35,1);
  --header-h: 72px;

  --display: "Archivo", "Noto Sans JP", sans-serif;
  --sans: "Manrope", "Noto Sans JP", system-ui, sans-serif;
  --jp: "Noto Sans JP", sans-serif;
  --mono: "Space Mono", monospace;
}

* , *::before, *::after { box-sizing: border-box; }
figure, figcaption, blockquote, dl, dt, dd, fieldset, legend, menu { margin: 0; }
fieldset { padding: 0; border: 0; min-inline-size: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--jp); font-weight: 400; line-height: 1.85; letter-spacing: .012em;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
p { margin: 0; }
h1,h2,h3,h4 { margin: 0; font-weight: 700; line-height: 1.05; letter-spacing: -.01em; }
button { font-family: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
::selection { background: var(--accent); color: #fff; }

.skip-link { position: absolute; left: 8px; top: -80px; background: var(--accent); color: #fff; padding: 10px 16px; z-index: 2000; transition: top .2s; font-family: var(--mono); font-size: .8rem; }
.skip-link:focus { top: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(56px, 6.5vw, 108px); }
.section--tight { padding-block: clamp(56px, 7vw, 100px); }

/* ---------- 共通タイポ部品 ---------- */
.eyebrow { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); display: inline-flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--accent); display: inline-block; }
.coord { font-family: var(--mono); font-size: .7rem; letter-spacing: .06em; color: var(--muted); text-transform: uppercase; }
.fig { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; color: var(--accent); text-transform: uppercase; }

/* ---------- ボタン ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .7em; font-family: var(--sans); font-weight: 600; font-size: .86rem; letter-spacing: .03em; padding: 15px 30px; border: 1px solid var(--ink); color: var(--ink); transition: background .4s var(--ease), color .4s var(--ease), border-color .4s, transform .4s var(--ease); white-space: nowrap; border-radius: 0; }
.btn .arrow { transition: transform .4s var(--ease); }
.btn:hover .arrow { transform: translateX(5px); }
.btn:hover { background: var(--ink); color: var(--paper); }
.btn-fill { background: var(--ink); color: var(--paper); }
.btn-fill:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn-lg { padding: 18px 40px; font-size: .94rem; }

.link-u { font-family: var(--mono); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; border-bottom: 1px solid var(--line-2); padding-bottom: 4px; transition: color .3s, border-color .3s; display: inline-flex; align-items: center; gap: 8px; }
.link-u:hover { color: var(--accent); border-color: var(--accent); }
.link-u .arrow { transition: transform .35s var(--ease); }
.link-u:hover .arrow { transform: translateX(4px); }

/* ---------- ヘッダー ---------- */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 200; background: rgba(246,245,242,.78); backdrop-filter: saturate(140%) blur(14px); border-bottom: 1px solid transparent; transition: border-color .4s, background .4s; }
.site-header.is-scrolled { border-bottom-color: var(--line); background: rgba(246,245,242,.92); }
.header-inner { max-width: var(--maxw); margin-inline: auto; padding: 0 var(--gutter); height: var(--header-h); display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: baseline; gap: 10px; }
.brand__mark { font-family: var(--display); font-weight: 800; font-size: 1.42rem; letter-spacing: .14em; }
.brand__sub { font-family: var(--mono); font-size: .64rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.global-nav { justify-self: center; }
.nav-list { display: flex; align-items: center; gap: 34px; }
.nav-link { font-family: var(--sans); font-size: .82rem; font-weight: 600; letter-spacing: .03em; position: relative; padding: 6px 0; color: var(--ink); }
.nav-link::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: right; transition: transform .4s var(--ease); }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav-link.is-active { color: var(--accent); }
.header-coord { justify-self: end; font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; color: var(--muted); transition: color .3s; }
.header-coord:hover { color: var(--accent); }

.nav-toggle { display: none; flex-direction: column; gap: 7px; width: 40px; height: 40px; align-items: center; justify-content: center; justify-self: end; }
.nav-toggle span { width: 26px; height: 1.5px; background: var(--ink); transition: transform .4s var(--ease), opacity .3s; }

/* モバイルメニュー */
.mobile-menu { position: fixed; top: var(--header-h); left: 0; right: 0; height: calc(100vh - var(--header-h)); background: var(--paper); z-index: 150; transform: translateY(-100%); visibility: hidden; transition: transform .55s var(--ease), visibility .55s; display: flex; flex-direction: column; justify-content: center; padding: 0 var(--gutter); overflow-y: auto; }
.mobile-menu.is-open { transform: translateY(0); visibility: visible; }
.mobile-menu ul { width: 100%; }
.mobile-menu li { border-bottom: 1px solid var(--line); }
.mobile-menu a { display: flex; align-items: baseline; justify-content: space-between; padding: 24px 0; }
.mobile-menu a span { font-family: var(--display); font-weight: 700; font-size: 2rem; letter-spacing: -.01em; }
.mobile-menu a em { font-style: normal; font-family: var(--mono); font-size: .74rem; color: var(--muted); }
.mobile-menu a.is-active span { color: var(--accent); }
.mobile-menu__coord { font-family: var(--mono); font-size: .72rem; color: var(--muted); margin-top: 36px; letter-spacing: .06em; }

/* ---------- ヒーロー ---------- */
.hero { padding-top: var(--header-h); min-height: 100vh; display: grid; grid-template-columns: 1.04fr .96fr; }
.hero__copy { display: flex; flex-direction: column; justify-content: space-between; padding: clamp(32px, 4.5vw, 76px) clamp(28px, 3.6vw, 60px); }
.hero__top { display: flex; flex-direction: column; gap: 18px; }
.hero__ticker { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.hero__ticker span { font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.hero__ticker span::before { content: "·"; margin-right: 22px; color: var(--accent); }
.hero__ticker span:first-child::before { display: none; }
.hero__title { font-family: var(--display); font-weight: 800; font-size: clamp(2.7rem, 7vw, 6.6rem); line-height: .96; letter-spacing: -.03em; margin-top: auto; }
.hero__title .ln { display: block; overflow: hidden; }
.hero__title .ln > span { display: block; }
.hero__title em { font-style: normal; color: var(--accent); }
.hero__title .jp { display: block; font-family: var(--jp); font-weight: 700; font-size: clamp(1rem, 1.7vw, 1.5rem); letter-spacing: .04em; color: var(--ink-2); margin-top: 22px; line-height: 1.5; }
.hero__bottom { margin-top: 30px; display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 22px; }
.hero__lead { max-width: 38ch; color: var(--muted); font-size: .96rem; line-height: 1.9; }
.hero__media { position: relative; overflow: hidden; background: var(--paper-2); }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media .hero__video { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
@media (prefers-reduced-motion: reduce) { .hero__media .hero__video { display: none; } }
.hero__media .hero__cap { position: absolute; left: 18px; bottom: 16px; color: #fff; font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; text-shadow: 0 1px 8px rgba(0,0,0,.5); z-index: 2; }
.hero__scroll { position: absolute; right: 18px; bottom: 16px; color: #fff; font-family: var(--mono); font-size: .64rem; letter-spacing: .12em; text-transform: uppercase; writing-mode: vertical-rl; text-shadow: 0 1px 8px rgba(0,0,0,.5); }

/* ---------- セクション見出し ---------- */
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: clamp(32px, 3.6vw, 52px); }
.sec-head__l { max-width: 60ch; }
.sec-head__title { font-family: var(--display); font-weight: 700; font-size: clamp(1.9rem, 4.4vw, 3.4rem); line-height: 1.02; letter-spacing: -.02em; margin-top: 18px; }
.sec-head__title em { font-style: normal; color: var(--accent); }
.sec-head__desc { color: var(--muted); margin-top: 20px; max-width: 52ch; }

/* ---------- ステートメント（思想） ---------- */
.statement-sec { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.statement { font-family: var(--display); font-weight: 600; font-size: clamp(1.6rem, 4.2vw, 3.6rem); line-height: 1.22; letter-spacing: -.015em; max-width: 24ch; }
.statement em { font-style: normal; color: var(--accent); }
.statement-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: clamp(32px, 5vw, 80px); align-items: end; }
.statement-grid__aside p { color: var(--muted); font-size: .95rem; }
.statement-grid__aside .coord { display: block; margin-top: 20px; }

/* ---------- 理念（principles） ---------- */
.principles { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.principle { padding: clamp(24px,2.4vw,36px) clamp(24px,2.4vw,36px) clamp(24px,2.4vw,36px) 0; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); }
.principle:last-child { border-right: 0; }
.principle__no { font-family: var(--mono); font-size: .72rem; color: var(--accent); letter-spacing: .08em; }
.principle__title { font-family: var(--display); font-weight: 700; font-size: clamp(1.2rem, 2vw, 1.6rem); margin: 18px 0 12px; letter-spacing: -.01em; }
.principle__desc { color: var(--muted); font-size: .92rem; }

/* ---------- プロジェクト：行リスト（トップ） ---------- */
.proj-rows { border-top: 1px solid var(--line); }
.proj-row { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(0,1fr) auto; gap: 24px; align-items: center; padding: clamp(20px,2.4vw,30px) 0; border-bottom: 1px solid var(--line); position: relative; }
.proj-row__fig { position: absolute; top: clamp(16px,2vw,24px); left: 0; }
.proj-row__main { padding-top: 18px; transition: transform .45s var(--ease); }
.proj-row:hover .proj-row__main { transform: translateX(18px); }
.proj-row__title { font-family: var(--display); font-weight: 700; font-size: clamp(1.4rem, 3vw, 2.4rem); letter-spacing: -.02em; line-height: 1.05; transition: color .35s; }
.proj-row:hover .proj-row__title { color: var(--accent); }
.proj-row__title-en { font-family: var(--mono); font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin-top: 8px; }
.proj-row__meta { font-size: .86rem; color: var(--muted); }
.proj-row__meta b { color: var(--ink); font-weight: 500; }
.proj-row__go { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); white-space: nowrap; transition: color .35s, transform .35s var(--ease); display: inline-flex; align-items: center; gap: 8px; }
.proj-row:hover .proj-row__go { color: var(--accent); }
.proj-row__go .arrow { display: inline-block; transition: transform .35s var(--ease); }
.proj-row:hover .proj-row__go .arrow { transform: translateX(4px); }
/* ホバープレビュー画像 */
.proj-row__preview { position: fixed; top: 0; left: 0; width: 260px; height: 325px; pointer-events: none; opacity: 0; z-index: 90; overflow: hidden; transform: translate(-50%, -50%) scale(.96); transition: opacity .35s var(--ease), transform .35s var(--ease); box-shadow: 0 30px 70px rgba(0,0,0,.22); }
.proj-row__preview img { width: 100%; height: 100%; object-fit: cover; }
.proj-row__preview.is-show { opacity: 1; transform: translate(-50%, -50%) scale(1); }
@media (hover: none) { .proj-row__preview { display: none; } }

/* ---------- プロジェクト：グリッド（projects.php） ---------- */
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-chip { font-family: var(--mono); font-size: .74rem; letter-spacing: .04em; text-transform: uppercase; padding: 9px 18px; border: 1px solid var(--line-2); transition: background .3s, color .3s, border-color .3s; }
.filter-chip:hover { border-color: var(--ink); }
.filter-chip.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.proj-bar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.proj-count { font-family: var(--mono); font-size: .76rem; color: var(--muted); }

.proj-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(28px,3.6vw,64px) clamp(24px,2.6vw,44px); }
.proj-card { display: flex; flex-direction: column; }
.proj-card.is-hidden { display: none; }
.proj-card__media { position: relative; aspect-ratio: 4/5; overflow: hidden; background: var(--paper-2); }
.proj-card__clip { position: absolute; inset: 0; clip-path: inset(0 0 100% 0); transition: clip-path 1.1s var(--ease-2); }
.proj-card.is-in .proj-card__clip { clip-path: inset(0 0 0 0); }
.proj-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease); }
.proj-card:hover .proj-card__media img { transform: scale(1.045); }
.proj-card__fig { position: absolute; top: 14px; left: 14px; z-index: 3; font-family: var(--mono); font-size: .64rem; letter-spacing: .08em; color: #fff; text-transform: uppercase; mix-blend-mode: difference; }
.proj-card__cat { position: absolute; top: 14px; right: 14px; z-index: 3; font-family: var(--mono); font-size: .62rem; letter-spacing: .06em; color: #fff; text-transform: uppercase; padding: 4px 9px; background: rgba(20,21,15,.55); backdrop-filter: blur(4px); }
.proj-card__body { padding: 20px 2px 4px; }
.proj-card__head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.proj-card__title { font-family: var(--display); font-weight: 700; font-size: clamp(1.3rem, 2vw, 1.7rem); letter-spacing: -.01em; transition: color .35s; }
.proj-card:hover .proj-card__title { color: var(--accent); }
.proj-card__year { font-family: var(--mono); font-size: .8rem; color: var(--muted); }
.proj-card__sub { font-family: var(--mono); font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin-top: 8px; }
.proj-card__lead { color: var(--muted); font-size: .92rem; margin-top: 14px; max-width: 46ch; }
.proj-card__metaline { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.proj-card__metaline span { font-family: var(--mono); font-size: .7rem; color: var(--muted); letter-spacing: .03em; }

/* ---------- 数字（stats） ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.stat { padding: clamp(24px,2.6vw,38px) 28px clamp(24px,2.6vw,38px) 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat__num { font-family: var(--display); font-weight: 800; font-size: clamp(2.6rem, 6vw, 4.6rem); line-height: .9; letter-spacing: -.03em; display: flex; align-items: baseline; gap: 6px; }
.stat__unit { font-family: var(--mono); font-size: .9rem; color: var(--accent); letter-spacing: .02em; }
.stat__label { color: var(--muted); font-size: .86rem; margin-top: 14px; }

/* ---------- 業務内容（services） ---------- */
.service-list { border-top: 1px solid var(--line); }
.service-item { display: grid; grid-template-columns: auto minmax(0,1.6fr) minmax(0,1.4fr); gap: clamp(20px,3vw,56px); padding: clamp(30px,3.6vw,52px) 0; border-bottom: 1px solid var(--line); align-items: start; }
.service-item__no { font-family: var(--mono); font-size: .8rem; color: var(--accent); letter-spacing: .06em; padding-top: 8px; }
.service-item__title { font-family: var(--display); font-weight: 700; font-size: clamp(1.5rem, 2.8vw, 2.3rem); letter-spacing: -.02em; line-height: 1.1; }
.service-item__en { font-family: var(--mono); font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-top: 12px; }
.service-item__desc { color: var(--muted); font-size: .96rem; }
.service-item__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.service-item__tags li { font-family: var(--mono); font-size: .7rem; color: var(--ink-2); border: 1px solid var(--line-2); padding: 6px 12px; letter-spacing: .02em; }

/* ---------- プロセス（services） ---------- */
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.process-step { padding: clamp(26px,3vw,40px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-step__no { font-family: var(--mono); font-size: .74rem; color: var(--accent); letter-spacing: .06em; }
.process-step__title { font-family: var(--display); font-weight: 700; font-size: clamp(1.1rem, 1.8vw, 1.4rem); margin: 16px 0 12px; letter-spacing: -.01em; }
.process-step__desc { color: var(--muted); font-size: .9rem; }

/* ---------- フィーチャー画像（フルブリード） ---------- */
.feature-img { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--paper-2); }
.feature-img__clip { position: absolute; inset: 0; clip-path: inset(0 0 100% 0); transition: clip-path 1.2s var(--ease-2); }
.feature-img.is-in .feature-img__clip { clip-path: inset(0 0 0 0); }
.feature-img img { width: 100%; height: 100%; object-fit: cover; }
.feature-img__cap { position: absolute; left: 20px; bottom: 18px; color: #fff; font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; text-shadow: 0 1px 8px rgba(0,0,0,.5); }

/* ---------- split media（about / トップ） ---------- */
.split-media { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 84px); align-items: center; }
.split-media--rev .split-media__img { order: 2; }
.split-media__img { position: relative; aspect-ratio: 4/5; overflow: hidden; background: var(--paper-2); }
.split-media__clip { position: absolute; inset: 0; clip-path: inset(0 0 100% 0); transition: clip-path 1.1s var(--ease-2); }
.split-media__img.is-in .split-media__clip { clip-path: inset(0 0 0 0); }
.split-media__img img { width: 100%; height: 100%; object-fit: cover; }
.split-media__body .eyebrow { margin-bottom: 22px; }
.split-media__body h2 { font-family: var(--display); font-weight: 700; font-size: clamp(1.7rem, 3.4vw, 2.8rem); letter-spacing: -.02em; line-height: 1.1; margin-bottom: 22px; }
.split-media__body p { color: var(--muted); margin-bottom: 18px; max-width: 48ch; }

/* ---------- チーム（about） ---------- */
.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px,2.2vw,36px); }
.team-member { border-top: 1px solid var(--ink); padding-top: 18px; }
.team-member__name { font-family: var(--display); font-weight: 700; font-size: 1.35rem; letter-spacing: -.01em; }
.team-member__en { font-family: var(--mono); font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin-top: 6px; }
.team-member__role { font-size: .84rem; color: var(--accent); margin-top: 12px; }
.team-member__desc { color: var(--muted); font-size: .9rem; margin-top: 14px; }

/* ---------- 沿革（history） ---------- */
.history { border-top: 1px solid var(--line); }
.history-row { display: grid; grid-template-columns: 140px 1fr; gap: 24px; padding: clamp(18px,2vw,26px) 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.history-row__year { font-family: var(--mono); font-size: 1rem; color: var(--accent); letter-spacing: .04em; }
.history-row__text { color: var(--ink-2); font-size: .96rem; }

/* ---------- 概要テーブル（about） ---------- */
.info-table { border-top: 1px solid var(--ink); }
.info-table dl { margin: 0; }
.info-table .row { display: grid; grid-template-columns: 200px 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.info-table dt { font-family: var(--mono); font-size: .76rem; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); margin: 0; }
.info-table dd { margin: 0; font-size: .94rem; }

/* ---------- アクセス（about / index） ---------- */
.access { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,4vw,64px); align-items: stretch; }
.access__img { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--paper-2); }
.access__img img { width: 100%; height: 100%; object-fit: cover; }
.access__body { display: flex; flex-direction: column; justify-content: center; }
.access__body h2 { font-family: var(--display); font-weight: 700; font-size: clamp(1.7rem,3vw,2.6rem); letter-spacing: -.02em; margin-bottom: 22px; }
.access__body dl { margin: 0; }
.access__body .row { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.access__body dt { font-family: var(--mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 0; }
.access__body dd { margin: 0; font-size: .92rem; }

/* ---------- フッターCTA ---------- */
.foot-cta { background: var(--ink); color: var(--paper); text-align: center; padding-block: clamp(72px, 10vw, 140px); }
.foot-cta__eyebrow { font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--stone); margin-bottom: 22px; }
.foot-cta__title { font-family: var(--display); font-weight: 700; font-size: clamp(2.2rem, 6vw, 4.6rem); line-height: 1.04; letter-spacing: -.02em; margin-bottom: 26px; }
.foot-cta__lead { color: var(--paper-3); margin-bottom: 40px; line-height: 1.85; }
.foot-cta .btn-fill { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.foot-cta .btn-fill:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- フッター ---------- */
.site-footer { background: var(--paper); border-top: 1px solid var(--line); padding-top: clamp(52px, 6vw, 92px); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.4fr 1.4fr; gap: 40px; padding-bottom: 60px; }
.footer-logo { font-family: var(--display); font-weight: 800; font-size: 2rem; letter-spacing: .12em; }
.footer-tag { color: var(--ink-2); margin-top: 12px; font-size: .9rem; }
.footer-tag2 { color: var(--muted); margin-top: 4px; font-size: .82rem; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-h { font-family: var(--mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.footer-col a { font-size: .9rem; color: var(--ink); width: fit-content; transition: color .3s; }
.footer-col a:hover { color: var(--accent); }
.footer-static { font-size: .86rem; color: var(--muted); }
.footer-bottom { border-top: 1px solid var(--line); padding-block: 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }
.sample-note { font-size: .76rem; color: var(--accent); }
.copyright { font-family: var(--mono); font-size: .7rem; color: var(--muted); letter-spacing: .02em; }

/* ---------- ページヘッダー（下層） ---------- */
.page-hero { padding-top: calc(var(--header-h) + 64px); padding-bottom: clamp(36px, 5vw, 64px); border-bottom: 1px solid var(--line); }
.breadcrumb { font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; color: var(--muted); margin-bottom: 26px; text-transform: uppercase; }
.breadcrumb a { transition: color .3s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin-inline: 8px; color: var(--line-2); }
.page-hero h1 { font-family: var(--display); font-weight: 800; font-size: clamp(2.6rem, 8vw, 6rem); line-height: .95; letter-spacing: -.025em; }
.page-hero h1 em { font-style: normal; color: var(--accent); }
.page-hero__jp { font-family: var(--jp); font-weight: 700; font-size: 1rem; color: var(--muted); margin-top: 18px; letter-spacing: .04em; }
.page-hero .lead { margin-top: 22px; max-width: 56ch; color: var(--muted); line-height: 1.9; }

/* ---------- contact form ---------- */
.form-wrap { display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(40px, 5vw, 90px); align-items: start; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(18px,2vw,30px); }
.form-field { margin-bottom: 28px; }
.form-field label { display: block; font-family: var(--mono); font-size: .74rem; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.form-field .req { color: var(--accent); margin-left: 6px; }
.form-field .opt { color: var(--muted); margin-left: 6px; font-size: .9em; }
.form-field input, .form-field textarea, .form-field select { width: 100%; padding: 14px 2px; font: inherit; font-size: 1.02rem; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid var(--line-2); transition: border-color .35s; border-radius: 0; }
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--muted-2); }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { outline: none; border-color: var(--accent); }
.form-field select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2314150F' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 2px center; }
.form-field textarea { resize: vertical; min-height: 150px; }
.form-field.has-error input, .form-field.has-error textarea, .form-field.has-error select { border-color: var(--accent-d); }
.field-error { color: var(--accent-d); font-size: .82rem; margin-top: 8px; font-family: var(--mono); }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: .82rem; color: var(--muted); margin-top: 8px; line-height: 1.8; }
.alert { border: 1px solid var(--accent-d); padding: 16px 18px; margin-bottom: 30px; font-size: .92rem; color: var(--accent-d); }
.form-aside__big { font-family: var(--display); font-weight: 700; font-size: clamp(1.5rem,2.8vw,2.2rem); line-height: 1.18; letter-spacing: -.01em; }
.form-aside dl { margin-top: 34px; border-top: 1px solid var(--ink); padding-top: 20px; }
.form-aside dt { font-family: var(--mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin-top: 20px; }
.form-aside dt:first-child { margin-top: 0; }
.form-aside dd { margin: 6px 0 0; font-size: .94rem; }

/* thanks */
.thanks { text-align: center; max-width: 640px; margin-inline: auto; padding-top: 40px; }
.thanks h1 { font-family: var(--display); font-weight: 800; font-size: clamp(2.6rem,9vw,5.4rem); line-height: .94; letter-spacing: -.02em; }
.thanks h1 em { font-style: normal; color: var(--accent); }
.thanks p { color: var(--muted); margin: 22px auto 0; max-width: 48ch; line-height: 1.9; }

/* ---------- to-top / トースト ---------- */
.to-top { position: fixed; right: 22px; bottom: 22px; z-index: 120; width: 46px; height: 46px; border: 1px solid var(--line-2); background: var(--paper); color: var(--ink); font-size: 1.1rem; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .4s, visibility .4s, transform .4s, border-color .3s, background .3s, color .3s; }
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px); z-index: 400; background: var(--ink); color: var(--paper); padding: 13px 22px; font-size: .86rem; opacity: 0; visibility: hidden; transition: opacity .4s, transform .4s var(--ease), visibility .4s; }
.toast.is-show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ---------- reveal + フェイルセーフ ---------- */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"]{ transition-delay:.09s; } .reveal[data-delay="2"]{ transition-delay:.18s; } .reveal[data-delay="3"]{ transition-delay:.27s; } .reveal[data-delay="4"]{ transition-delay:.36s; }
.js .line-rise { overflow: hidden; }
.js .line-rise > * { display: block; transform: translateY(110%); transition: transform 1s var(--ease); }
.line-rise.is-in > * { transform: none; }
/* フェイルセーフ：JSが動かなくても表示 */
.reveal-all .reveal { opacity: 1 !important; transform: none !important; }
.reveal-all .line-rise > * { transform: none !important; }
.reveal-all .proj-card__clip,
.reveal-all .feature-img__clip,
.reveal-all .split-media__clip { clip-path: inset(0 0 0 0) !important; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal, .line-rise > *, .hero__title .ln > span { opacity: 1 !important; transform: none !important; }
  .proj-card__clip, .feature-img__clip, .split-media__clip { clip-path: inset(0 0 0 0) !important; }
  html { scroll-behavior: auto; }
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .service-item { grid-template-columns: auto 1fr; }
  .service-item__right { grid-column: 1 / -1; padding-left: 0; }
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero__media { aspect-ratio: 4/5; max-height: 78vh; order: -1; }
  .principles { grid-template-columns: 1fr; }
  .principle { border-right: 0; padding-right: 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2n) { border-right: 0; }
  .proj-grid { grid-template-columns: 1fr; }
  .statement-grid { grid-template-columns: 1fr; gap: 32px; }
  .split-media { grid-template-columns: 1fr; gap: 32px; }
  .split-media--rev .split-media__img { order: -1; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .team { grid-template-columns: 1fr; gap: 28px; }
  .access { grid-template-columns: 1fr; }
  .form-wrap { grid-template-columns: 1fr; gap: 44px; }
}
@media (max-width: 720px) {
  :root { --header-h: 60px; }
  .global-nav, .header-coord { display: none; }
  .nav-toggle { display: flex; }
  .header-inner { grid-template-columns: 1fr auto; }
  .proj-row { grid-template-columns: 1fr; gap: 8px; }
  .proj-row__go { display: none; }
  .service-item { grid-template-columns: 1fr; gap: 16px; }
  .form-row { grid-template-columns: 1fr; }
  .history-row { grid-template-columns: 80px 1fr; gap: 16px; }
  .info-table .row { grid-template-columns: 1fr; gap: 6px; }
  .access__body .row { grid-template-columns: 100px 1fr; }
  .nav-toggle.is-open span:nth-child(1){ transform: translateY(4.5px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2){ transform: translateY(-4px) rotate(-45deg); }
}
@media (max-width: 480px) {
  .process-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: 0; }
}

/* ---------- QA調整（2026-10-27） ---------- */
@media (max-width: 900px) {
  /* 縦横比＋max-height で幅が縮み、右側に空白ができていたため幅を固定 */
  .hero__media { width: 100%; }
  /* 折り返した行の頭に区切り「·」が来て箇条書きのように崩れていたため、縦並びに揃える */
  .hero__ticker { flex-direction: column; gap: 4px; }
  .hero__ticker span::before, .hero__ticker span:first-child::before { display: inline; margin-right: 10px; }
  .hero__title { margin-top: 28px; }
}

/* 見出しの改行を整える（1文字だけの行・文節の途中での改行を防ぐ。対応ブラウザのみ） */
h1, h2, h3, [class*="__title"] { text-wrap: balance; word-break: auto-phrase; overflow-wrap: break-word; }
p, li, dd { text-wrap: pretty; }