@charset "UTF-8";
/* ============================================
   大地建設工業株式会社 - style.css（30万円プラン版）
   演出を抑えたベーシックなレスポンシブデザイン
   ============================================ */

:root {
  --c-text: #1a1a1a;
  --c-sub: #777;
  --c-bg: #fff;
  --c-dark: #141414;
  --c-accent: #4694d1;
  --c-line: #e3e3e3;
  --pop-yellow: #ffe33f;
  --pop-coral: #dd7687;
  --pop-green: #6bbc6e;
  --pop-teal: #61c1be;
  --pop-sky: #7ecef4;
  --pop-blue: #4694d1;
  --pop-pink: #f19ec2;
  --pop-orange: #f6ae6a;
  --pop-mustard: #eace76;
  --pop-purple: #bb8dbe;
  --pop-blue-deep: #1f6fb0;
  --pop-coral-deep: #b8455f;
  --pop-green-deep: #237a42;
  --pop-purple-deep: #8a4f97;
  --font-en: "Oswald", sans-serif;
  --font-ja: "Noto Sans JP", sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 8rem;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 62.5%; scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  font-family: var(--font-ja);
  font-size: 1.5rem;
  line-height: 1.9;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--header-h);
}
img { max-width: 100%; display: block; }
ul, li { list-style: none; }
a { color: inherit; text-decoration: none; }

/* ---------- 写真プレースホルダー ---------- */
.ph {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100px;
  background:
    repeating-linear-gradient(-45deg, transparent 0 14px, rgba(0,0,0,0.025) 14px 28px),
    linear-gradient(135deg, #dcdcdc 0%, #c8ccd0 50%, #d8d4cf 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.ph img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ph span {
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  color: #8a8a8a;
  border: 1px solid #aaa;
  padding: 0.6em 1.4em;
  background: rgba(255,255,255,0.55);
  white-space: nowrap;
}
.ph--dark {
  background:
    repeating-linear-gradient(-45deg, transparent 0 14px, rgba(255,255,255,0.03) 14px 28px),
    linear-gradient(135deg, #3a3f45 0%, #2b2f34 60%, #43464a 100%);
}
.ph--dark span { color: #ccc; border-color: #777; background: rgba(0,0,0,0.35); }

/* ---------- ヘッダー ---------- */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3.2rem;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--c-line);
}
.header__logo { text-align: left; display: inline-block; }
.header__logo-en {
  display: block;
  font-family: var(--font-en);
  font-size: 2.2rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  line-height: 1;
}
.header__logo-ja { display: block; font-size: 0.95rem; letter-spacing: 0.28em; margin-top: 0.4em; }

/* ---------- グローバルナビ ---------- */
.gnav__list {
  display: flex;
  align-items: center;
  gap: 2.8rem;
}
.gnav__list a {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.gnav__list a:hover,
.gnav__list a[aria-current="page"] {
  color: var(--pop-blue);
  border-color: var(--pop-blue);
}

/* ---------- ハンバーガーメニュー ---------- */
.menu-btn {
  display: none;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--c-dark);
  border: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.menu-btn span {
  display: block;
  width: 18px; height: 1.5px;
  background: #fff;
  transition: transform 0.25s var(--ease-out), opacity 0.2s;
}
body.is-menu-open .menu-btn span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
body.is-menu-open .menu-btn span:nth-child(2) { opacity: 0; }
body.is-menu-open .menu-btn span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 900px) {
  .menu-btn { display: flex; }
  .gnav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 100%;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    background: #fff;
    border-bottom: 1px solid var(--c-line);
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;
    z-index: 90;
  }
  body.is-menu-open .gnav { opacity: 1; visibility: visible; }
  .gnav__list {
    flex-direction: column;
    align-items: flex-start;
    padding: 2.4rem 3.2rem 3.2rem;
    gap: 1.8rem;
  }
  .gnav__list a { font-size: 1.7rem; }
}

/* ---------- KV（トップ画像＋見出し） ---------- */
.kv {
  position: relative;
  min-height: 62vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #fff;
}
.kv__photo { position: absolute; inset: 0; z-index: 0; }
.kv__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(10,12,16,0.72) 0%, rgba(10,12,16,0.32) 55%, rgba(10,12,16,0.15) 100%);
}
.kv__inner {
  position: relative;
  z-index: 1;
  padding: 6rem clamp(2.4rem, 8vw, 8rem) 5.5rem;
  max-width: 900px;
}
.kv__copy {
  font-size: clamp(3rem, 5.2vw, 5.4rem);
  font-weight: 900;
  line-height: 1.5;
  letter-spacing: 0.06em;
}
.kv__lead { margin-top: 2rem; font-size: 1.5rem; max-width: 560px; color: #f0f0f0; }
.kv__btns { display: flex; flex-wrap: wrap; gap: 1.6rem; margin-top: 3.2rem; }

/* ---------- 共通見出し ---------- */
.sec-head { padding: 0 clamp(2.4rem, 8vw, 12rem); margin-bottom: 4.5rem; }
.sec-head__en {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 1.4rem;
  letter-spacing: 0.24em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding: 0.2em 0.9em;
  border-radius: 999px;
  background: rgba(70,148,209,0.12);
}
.sec-head__ja {
  font-size: clamp(2.6rem, 3.8vw, 3.8rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1.4;
}
.sec-head__desc { margin-top: 1.6rem; color: var(--c-sub); }
.sec-head--white .sec-head__ja { color: var(--c-text); }
.sec-head--white .sec-head__en { color: var(--pop-blue); }

/* ---------- 会社紹介（トップ） ---------- */
.intro { padding: 8rem 0; }
.intro__inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 clamp(2.4rem, 8vw, 8rem);
}
.intro__lead {
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 900;
  line-height: 1.9;
  letter-spacing: 0.04em;
  margin-bottom: 3rem;
}
.intro__body p { margin-bottom: 1.8em; color: #333; }
.intro__catch {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-top: 1rem;
}

/* ---------- 事業内容ダイジェスト ---------- */
.business { padding: 6rem 0 8rem; }
.business__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2.4rem 2rem;
  padding: 0 clamp(2.4rem, 8vw, 12rem);
}
.business-card {
  position: relative;
  border: 1px solid var(--c-line);
  border-radius: 0.8rem;
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.business-card:hover { box-shadow: 0 8px 22px rgba(0,0,0,0.08); border-color: var(--ac, var(--c-line)); }
.business-card__a { display: block; }
.business-card:nth-child(8n+1) { --ac: var(--pop-yellow); }
.business-card:nth-child(8n+2) { --ac: var(--pop-blue); }
.business-card:nth-child(8n+3) { --ac: var(--pop-teal); }
.business-card:nth-child(8n+4) { --ac: var(--pop-green); }
.business-card:nth-child(8n+5) { --ac: var(--pop-sky); }
.business-card:nth-child(8n+6) { --ac: var(--pop-mustard); }
.business-card:nth-child(8n+7) { --ac: var(--pop-coral); }
.business-card:nth-child(8n+8) { --ac: var(--pop-purple); }
.business-card__img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: 1px solid var(--c-line);
  border-top: 4px solid var(--ac, var(--pop-yellow));
}
.business-card__txt { padding: 1.6rem 1.6rem 1.8rem; }
.business-card__num {
  font-family: var(--font-en);
  font-size: 2.6rem;
  font-weight: 500;
  line-height: 1;
  color: var(--ac, var(--pop-yellow));
}
.business-card__ttl {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-top: 0.4rem;
}
.business-card__ttl:hover { text-decoration: underline; text-underline-offset: 3px; }
.business-card__desc { margin-top: 0.8rem; font-size: 1.35rem; color: var(--c-sub); }

/* ---------- 実績（数字） ---------- */
.works {
  position: relative;
  background: #fdf6dc;
  padding: 7rem 0;
}
.works__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  padding: 0 clamp(2.4rem, 8vw, 12rem);
}
.works__stats li { text-align: center; border-left: 1px solid rgba(0,0,0,0.1); }
.works__stats li:nth-child(1) .works__num { color: var(--pop-blue-deep); }
.works__stats li:nth-child(2) .works__num { color: var(--pop-coral-deep); }
.works__stats li:nth-child(3) .works__num { color: var(--pop-green-deep); }
.works__stats li:nth-child(4) .works__num { color: var(--pop-purple-deep); }
.works__num {
  font-family: var(--font-en);
  font-size: clamp(4.2rem, 6vw, 6rem);
  font-weight: 500;
  line-height: 1.1;
}
.works__num small { font-size: 0.35em; margin-left: 0.2em; font-family: var(--font-ja); font-weight: 700; }
.works__label { margin-top: 0.6rem; font-size: 1.3rem; color: #6b5f3f; letter-spacing: 0.1em; }

/* ---------- 実績ダイジェスト（トップ） ---------- */
.works-digest { padding: 7rem 0 8rem; }
.works-digest__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4rem;
  padding: 0 clamp(2.4rem, 6vw, 10rem);
}
.works-digest__item { aspect-ratio: 4 / 3; border: 1px solid var(--c-line); }
@media (max-width: 640px) {
  .works-digest__grid { grid-template-columns: 1fr; }
}

/* ---------- 会社概要（表） ---------- */
.company { padding: 8rem 0; }
.company__table {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 2.4rem;
}
.company__table > div {
  display: flex;
  padding: 2.2rem 1rem;
  border-bottom: 1px solid var(--c-line);
  gap: 2rem;
}
.company__table > div:first-child { border-top: 1px solid var(--c-line); }
.company__table dt {
  width: 9em;
  flex-shrink: 0;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-sub);
}
.company__table dd { flex: 1; }

/* ---------- ボタン ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  min-width: 220px;
  padding: 1.5rem 3rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.1em;
  background: #fff;
  color: var(--c-text);
  transition: background-color 0.25s, color 0.25s;
}
.btn:hover { background: var(--mc, var(--c-text)); color: #fff; }
.btn i {
  width: 6px; height: 6px;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  transform: rotate(45deg);
}
.btn--line { flex-direction: column; gap: 0.2rem; }
.btn--line span { font-family: var(--font-en); font-size: 2.2rem; letter-spacing: 0.06em; }
.btn--line small { font-size: 1.1rem; font-weight: 400; }
.btn--more { min-width: 220px; margin-top: 3.2rem; }

/* ---------- 電話番号（情報カード表示・ボタンではない） ---------- */
.tel-card {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  min-width: 220px;
  padding: 1.4rem 3rem;
  border: 1px solid var(--c-line);
  border-radius: 0.8rem;
  background: #fff;
}
.tel-card__num { font-family: var(--font-en); font-size: 2.2rem; letter-spacing: 0.06em; color: var(--c-text); }
.tel-card__note { font-size: 1.1rem; font-weight: 400; color: var(--c-sub); }
.sec-head .btn--more { margin-top: 2rem; }

/* ---------- お問い合わせ（トップCTA） ---------- */
.contact-cta { padding: 8rem 2.4rem; text-align: center; background: #fdf6dc; }
.contact-cta__en {
  font-family: var(--font-en);
  font-size: 1.4rem;
  letter-spacing: 0.24em;
  color: var(--c-accent);
  margin-bottom: 1.4rem;
}
.contact-cta__ttl { font-size: clamp(2.4rem, 3.6vw, 3.6rem); font-weight: 900; letter-spacing: 0.08em; margin-bottom: 1.6rem; }
.contact-cta__desc { color: var(--c-sub); margin-bottom: 3.2rem; }
.contact-cta__btns { display: flex; gap: 2rem; justify-content: center; flex-wrap: wrap; }

/* ---------- フッター ---------- */
.footer { background: var(--c-dark); color: #fff; padding: 6rem 2.4rem 3rem; }
.footer__inner { max-width: 1100px; margin: 0 auto; text-align: center; }
.footer__logo { font-family: var(--font-en); font-size: 2.4rem; letter-spacing: 0.3em; }
.footer__logo span { display: block; font-family: var(--font-ja); font-size: 1.1rem; letter-spacing: 0.4em; margin-top: 0.6em; color: #aaa; }
.footer__nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.4rem 2.8rem; margin-top: 3.6rem; }
.footer__nav a { font-size: 1.3rem; letter-spacing: 0.06em; color: #ccc; padding-bottom: 0.2rem; border-bottom: 1px solid transparent; transition: color 0.2s, border-color 0.2s; }
.footer__nav a:hover { color: #fff; border-color: #fff; }
.footer__addr { margin-top: 2.4rem; font-size: 1.25rem; color: #999; }
.footer__copy { margin-top: 4rem; font-family: var(--font-en); font-size: 1.1rem; letter-spacing: 0.1em; color: #666; }

/* ---------- 下層ページヒーロー ---------- */
.page-hero {
  padding: 5.5rem clamp(2.4rem, 8vw, 12rem) 6rem;
  background: #fafafa;
  border-bottom: 1px solid var(--c-line);
}
.page-hero__en {
  display: inline-block;
  font-family: var(--font-en);
  font-size: clamp(3.2rem, 5vw, 5.2rem);
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: 1.1;
  padding: 0 0.15em;
  background-image: linear-gradient(transparent 58%, var(--mc, var(--pop-yellow)) 58%);
}
.page-hero__ja {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--c-sub);
  margin-top: 1.4rem;
}
.page-hero__lead {
  margin-top: 2rem;
  max-width: 640px;
  font-size: 1.5rem;
}
.breadcrumb {
  display: flex;
  gap: 1em;
  font-size: 1.2rem;
  color: var(--c-sub);
  margin-bottom: 2.4rem;
}
.breadcrumb a { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 汎用2カラムブロック ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  padding: 6rem clamp(2.4rem, 8vw, 12rem);
}
.split__img { aspect-ratio: 4 / 3; border: 1px solid var(--c-line); border-top: 4px solid var(--mc, var(--pop-yellow)); }
.split--rev .split__img { order: 2; }
.split__ttl {
  font-size: clamp(2.1rem, 2.8vw, 2.8rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.6;
  margin-bottom: 2rem;
}
.split__ttl em {
  font-style: normal;
  background-image: linear-gradient(transparent 62%, var(--mc, var(--pop-yellow)) 62%);
}
.split__txt p { margin-bottom: 1.6em; color: #333; }

/* ---------- 事業詳細 ---------- */
.b-detail {
  padding: 4.6rem clamp(2.4rem, 8vw, 12rem);
  border-bottom: 1px solid var(--c-line);
}
.b-detail:nth-child(even) { background: #fafafa; }
.b-detail__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.b-detail:nth-child(even) .b-detail__inner > .b-detail__img { order: 2; }
.b-detail__img { aspect-ratio: 4 / 3; border: 1px solid var(--c-line); border-top: 4px solid var(--ac, var(--pop-yellow)); }
.b-detail__num {
  font-family: var(--font-en);
  font-size: 1.6rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem; height: 4rem;
  border-radius: 50%;
  background: var(--ac, var(--pop-yellow));
  margin-bottom: 1.4rem;
}
.b-detail__ttl {
  font-size: clamp(2.2rem, 3vw, 3rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}
.b-detail__en {
  font-family: var(--font-en);
  font-size: 1.3rem;
  letter-spacing: 0.2em;
  color: var(--c-sub);
  margin-bottom: 2rem;
  text-transform: uppercase;
}
.b-detail__desc { margin-bottom: 2.4rem; color: #333; }
.b-detail__list { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.b-detail__list li {
  font-size: 1.3rem;
  font-weight: 500;
  padding: 0.5em 1.2em;
  border-radius: 999px;
  border: 1.5px solid var(--ac, var(--pop-yellow));
  background: #fff;
}

/* ---------- 沿革タイムライン ---------- */
.history { max-width: 780px; margin: 0 auto; padding: 0 2.4rem; }
.history li {
  position: relative;
  display: flex;
  gap: 3rem;
  padding: 0 0 3.2rem 2.4rem;
  border-left: 3px solid #eee;
}
.history li::before {
  content: "";
  position: absolute;
  left: -0.85rem;
  top: 0.5em;
  width: 1.4rem; height: 1.4rem;
  border-radius: 50%;
  background: var(--mc, var(--pop-yellow));
  border: 3px solid #fff;
  box-shadow: 0 0 0 1px #ddd;
}
.history li:nth-child(5n+1) { --mc: var(--pop-yellow); }
.history li:nth-child(5n+2) { --mc: var(--pop-teal); }
.history li:nth-child(5n+3) { --mc: var(--pop-coral); }
.history li:nth-child(5n+4) { --mc: var(--pop-green); }
.history li:nth-child(5n+5) { --mc: var(--pop-purple); }
.history__year {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 600;
  flex-shrink: 0;
  width: 6em;
  line-height: 1.4;
}
.history__txt { color: #333; }

/* ---------- フロー（施工の流れ等） ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 2.2rem;
  padding: 0 clamp(2.4rem, 8vw, 12rem);
  counter-reset: flow;
}
.flow li {
  counter-increment: flow;
  background: #fff;
  border: 1.5px solid #eee;
  border-radius: 1.2rem;
  padding: 2.6rem 2rem 2.2rem;
  position: relative;
}
.flow li::before {
  content: "0" counter(flow);
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.8rem; height: 3.8rem;
  border-radius: 50%;
  background: var(--mc, var(--pop-yellow));
  position: absolute;
  top: -1.9rem;
  left: 2rem;
}
.flow li:nth-child(6n+1) { --mc: var(--pop-yellow); }
.flow li:nth-child(6n+2) { --mc: var(--pop-sky); }
.flow li:nth-child(6n+3) { --mc: var(--pop-green); }
.flow li:nth-child(6n+4) { --mc: var(--pop-orange); }
.flow li:nth-child(6n+5) { --mc: var(--pop-pink); }
.flow li:nth-child(6n+6) { --mc: var(--pop-teal); }
.flow__ttl { font-weight: 700; font-size: 1.6rem; margin-bottom: 0.8rem; }
.flow li p { font-size: 1.3rem; color: var(--c-sub); }

/* ---------- お問い合わせフォーム ---------- */
.form { max-width: 720px; margin: 0 auto; padding: 0 2.4rem; }
.form__row { margin-bottom: 3rem; }
.form__label {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.form__req {
  font-size: 1.1rem;
  font-weight: 700;
  padding: 0.2em 0.8em;
  border-radius: 999px;
  background: var(--pop-coral);
  color: #fff;
}
.form__req--opt { background: #ccc; color: #555; }
.form input[type="text"],
.form input[type="email"],
.form input[type="tel"],
.form select,
.form textarea {
  width: 100%;
  font: inherit;
  padding: 1.4rem 1.6rem;
  border: 1.5px solid #ddd;
  border-radius: 0.8rem;
  background: #fafafa;
  transition: border-color 0.2s, background-color 0.2s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--pop-blue);
  background: #fff;
}
.form textarea { min-height: 180px; resize: vertical; }
.form__submit { text-align: center; margin-top: 4rem; }
.form__submit .btn {
  border: none;
  background: var(--pop-yellow);
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.12em;
  min-width: 300px;
  padding: 1.8rem 3.2rem;
}
.form__submit .btn:hover { background: var(--c-text); color: #fff; }
.form__note { text-align: center; font-size: 1.25rem; color: var(--c-sub); margin-top: 1.6rem; }
.form__submit .btn:disabled { opacity: 0.6; cursor: default; pointer-events: none; }

/* ---------- 送信完了メッセージ ---------- */
.form-done { max-width: 720px; margin: 0 auto; padding: 2rem 2.4rem 3rem; text-align: center; }
.form-done__icon {
  width: 84px; height: 84px;
  margin: 0 auto 2.6rem;
  border-radius: 50%;
  background: var(--pop-yellow);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en);
  font-size: 3.4rem;
  font-weight: 600;
  color: var(--c-text);
}
.form-done__ttl {
  font-size: clamp(2.2rem, 3vw, 2.8rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
}
.form-done__txt { color: var(--c-sub); line-height: 1.9; font-size: 1.5rem; }

/* ---------- 情報カード（アクセス等） ---------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 3rem;
  padding: 0 clamp(2.4rem, 8vw, 12rem);
}
.info-card {
  border: 1.5px solid #eee;
  border-radius: 1.6rem;
  padding: 3rem 2.6rem;
  background: #fff;
}
.info-card__ttl {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
}
.info-card__ttl::before {
  content: "";
  width: 1.2rem; height: 1.2rem;
  border-radius: 3px;
  transform: rotate(45deg);
  background: var(--mc, var(--pop-yellow));
}
.info-card p { font-size: 1.35rem; color: #444; }
.map-ph { height: 340px; margin: 5rem clamp(2.4rem, 8vw, 12rem) 0; border: 1px solid var(--c-line); }

/* ---------- タグ ---------- */
.tag {
  display: inline-block;
  font-size: 1.15rem;
  font-weight: 700;
  padding: 0.25em 1em;
  border-radius: 999px;
  background: var(--mc, var(--pop-yellow));
  white-space: nowrap;
}

/* ---------- 施工実績カードグリッド ---------- */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  align-items: start;
  gap: 3.6rem 3rem;
  padding: 0 clamp(2.4rem, 8vw, 12rem);
}
.works-grid figure { margin: 0; }
.works-grid .ph { height: auto; aspect-ratio: 4 / 3; border: 1px solid var(--c-line); }
.works-grid figcaption { margin-top: 1.4rem; }
.works-grid__ttl { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.6rem; }
.works-grid__meta { font-size: 1.25rem; color: var(--c-sub); display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

/* ---------- 下層共通の余白 ---------- */
.page-section { padding: 7rem 0; }
.page-section--tint { background: #f7fbff; }
.page-section .sec-head { margin-bottom: 4rem; }
.page-cta { text-align: center; padding: 8rem 2.4rem; background: #fdf6dc; }
.page-cta__ttl { font-size: clamp(2.1rem, 3.2vw, 3rem); font-weight: 900; letter-spacing: 0.1em; margin-bottom: 2.6rem; }

/* ---------- 電話リンクのデモ対応トースト ---------- */
.demo-toast {
  position: fixed;
  left: 50%;
  bottom: 3.2rem;
  z-index: 200;
  max-width: min(90vw, 480px);
  text-align: center;
  background: var(--c-dark);
  color: #fff;
  font-size: 1.3rem;
  letter-spacing: 0.02em;
  padding: 1.4rem 2.4rem;
  border-radius: 999px;
  border: 1.5px solid var(--pop-yellow);
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.demo-toast.on { opacity: 1; }

@media (max-width: 768px) {
  .split, .b-detail__inner { grid-template-columns: 1fr; gap: 3.2rem; }
  .split--rev .split__img { order: 0; }
  .history li { gap: 1.2rem; flex-direction: column; padding-bottom: 2.6rem; }
  .history__year { width: auto; }
}

@media (max-width: 640px) {
  :root { --header-h: 7rem; }
  .header { padding: 0 2rem; }
  .header__logo-en { font-size: 1.9rem; }
  .header__logo-ja { font-size: 0.85rem; letter-spacing: 0.18em; }
  .kv__copy { font-size: clamp(2.8rem, 10vw, 3.6rem); }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}