@charset "UTF-8";

/* =========================================================
   稲垣建装  共通スタイル
   - デザイントークン / ローダー / ヘッダー / フッター / 共通UI
   - コーポレートカラー: darkcyan (#008b8b)
   - イメージ: 現代的・自然・落ち着いた大人っぽさ・静的
   ========================================================= */

/* ---------- デザイントークン ---------- */
:root {
  /* カラー */
  --teal: #008b8b;
  --teal-dark: #036c6c;
  --teal-deep: #0a4646;
  --teal-soft: #e6f1f1;
  --ink: #233634;          /* 見出し */
  --text: #44524f;         /* 本文 */
  --text-muted: #6f7c79;
  --cream: #f7f3ec;        /* ページ背景 */
  --cream-2: #efe8dc;      /* セクション背景(交互) */
  --card: #ffffff;
  --line: #e4dccd;         /* 罫線(温かみ) */
  --gold: #b08d57;         /* 木のアクセント */
  --shadow: 0 18px 40px -24px rgba(10, 70, 70, 0.35);
  --shadow-sm: 0 8px 24px -18px rgba(10, 70, 70, 0.4);

  /* レイアウト */
  --container: 1120px;
  --radius: 14px;
  --radius-sm: 8px;
  --header-h: 78px;

  /* フォント */
  --serif: "Shippori Mincho", "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;

  /* 動き(控えめ) */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- リセット ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--cream);
  line-height: 1.9;
  font-size: 16px;
  letter-spacing: 0.02em;
  font-feature-settings: "palt";
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.3s var(--ease); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--serif); color: var(--ink); font-weight: 600; line-height: 1.5; }
p { margin: 0; }

/* ---------- 共通レイアウト ---------- */
.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section--alt { background: var(--cream-2); }
.section--teal { background: var(--teal-deep); color: #e9f3f1; }
.section--teal h2, .section--teal h3 { color: #fff; }

/* セクション見出し */
.sec-head { text-align: center; margin-bottom: clamp(36px, 5vw, 60px); }
.sec-head__en {
  display: inline-block;
  font-family: var(--serif);
  font-size: 0.82rem;
  letter-spacing: 0.32em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section--teal .sec-head__en { color: #7fd0d0; }
.sec-head__ja {
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  letter-spacing: 0.06em;
}
.sec-head__lead {
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 0.98rem;
}
.section--teal .sec-head__lead { color: #bcd9d6; }
.sec-head--left { text-align: left; }

/* リード細線装飾 */
.rule {
  width: 48px; height: 2px;
  background: var(--teal);
  border: none; margin: 18px auto 0;
}
.sec-head--left .rule { margin-inline: 0; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.06em;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn--line { background: #06c755; color: #fff; box-shadow: 0 12px 26px -14px rgba(6, 199, 85, 0.7); }
.btn--line:hover { background: #05b34c; transform: translateY(-2px); }
.btn--tel { background: var(--teal); color: #fff; }
.btn--tel:hover { background: var(--teal-dark); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--teal); border-color: var(--teal); }
.btn--ghost:hover { background: var(--teal); color: #fff; }
.btn--light { background: #fff; color: var(--teal-deep); }
.btn--light:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn--lg { padding: 18px 38px; font-size: 1.05rem; }

/* ---------- ロゴ(ヘッダー/フッター/ローダー共通) ---------- */
.logo {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}
.logo__img {
  display: block;
  width: auto;
  height: 48px;
}

/* ---------- ローダー ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  background: var(--cream);
  transition: opacity 0.7s var(--ease), visibility 0.7s var(--ease);
}
.loader.is-hidden { opacity: 0; visibility: hidden; }
.loader__inner { text-align: center; }
.loader .logo__img { height: 104px; }
.loader__bar {
  margin: 26px auto 0;
  width: 180px; height: 2px;
  background: var(--line);
  border-radius: 2px;
  overflow: hidden;
}
.loader__bar::before {
  content: "";
  display: block;
  height: 100%;
  width: 40%;
  background: var(--teal);
  animation: loaderSlide 1.1s var(--ease) infinite;
}
@keyframes loaderSlide {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(360%); }
}

/* ---------- ヘッダー ---------- */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--header-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  background: rgba(247, 243, 236, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.header.is-scrolled {
  background: rgba(247, 243, 236, 0.96);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 20px -18px rgba(10, 70, 70, 0.5);
}
.header__inner {
  width: min(100% - 40px, 1280px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header .logo__img { height: 46px; }

.nav { display: flex; align-items: center; gap: 30px; }
.nav__list { display: flex; gap: 26px; }
.nav__link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  padding: 6px 0;
  white-space: nowrap;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1.5px;
  background: var(--teal);
  transition: width 0.3s var(--ease);
}
.nav__link:hover { color: var(--teal); }
.nav__link:hover::after,
.nav__link.is-current::after { width: 100%; }
.nav__link.is-current { color: var(--teal); }

.header__cta { display: flex; align-items: center; gap: 12px; }
.header__cta .btn { padding: 11px 20px; font-size: 0.86rem; }

/* ハンバーガー */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: none; background: none; cursor: pointer;
  position: relative; z-index: 1100;
}
.nav-toggle span {
  position: absolute;
  left: 9px; right: 9px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.35s var(--ease), opacity 0.25s var(--ease), top 0.35s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }
.nav-toggle.is-open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ---------- パンくず / 下層ヒーロー ---------- */
.page-hero {
  position: relative;
  margin-top: var(--header-h);
  padding: clamp(56px, 8vw, 96px) 0;
  background: var(--teal-deep);
  color: #eaf4f2;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -60px; bottom: -60px;
  width: 280px; height: 280px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}
.page-hero__en {
  font-family: var(--serif);
  letter-spacing: 0.34em;
  font-size: 0.82rem;
  color: #7fd0d0;
  text-transform: uppercase;
}
.page-hero__title {
  color: #fff;
  font-size: clamp(1.9rem, 4.6vw, 2.9rem);
  letter-spacing: 0.08em;
  margin-top: 12px;
}
.page-hero__lead { margin-top: 18px; color: #c4ddda; max-width: 640px; }
.breadcrumb {
  margin-top: var(--header-h);
  padding: 14px 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--line);
}
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumb li::after { content: "／"; margin-left: 8px; color: var(--line); }
.breadcrumb li:last-child::after { content: none; }
.breadcrumb a:hover { color: var(--teal); }

/* ---------- 共通CTA(LINE優先) ---------- */
.contact-cta {
  position: relative;
  background:
    linear-gradient(rgba(10, 70, 70, 0.86), rgba(10, 70, 70, 0.92)),
    var(--teal-deep);
  color: #eaf4f2;
  text-align: center;
  overflow: hidden;
}
.contact-cta__en { font-family: var(--serif); letter-spacing: 0.3em; color: #7fd0d0; font-size: 0.8rem; }
.contact-cta__title {
  color: #fff;
  font-size: clamp(1.6rem, 3.6vw, 2.3rem);
  margin: 12px 0 8px;
  letter-spacing: 0.06em;
}
.contact-cta__lead { color: #bcd9d6; max-width: 560px; margin: 0 auto 12px; }
.contact-cta__note {
  font-size: 0.82rem; color: #9fc3c0; margin-bottom: 30px;
}
.contact-cta__actions {
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: center;
}
.contact-cta__priority {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; letter-spacing: 0.1em;
  color: #06c755; background: rgba(6, 199, 85, 0.12);
  border: 1px solid rgba(6, 199, 85, 0.4);
  padding: 4px 14px; border-radius: 999px;
  margin-bottom: 18px;
}

/* ---------- フッター ---------- */
.footer {
  background: #14201f;
  color: #b9c6c4;
  padding: clamp(56px, 7vw, 80px) 0 28px;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
/* 濃色のフッター上では、グレーのロゴを白へ反転させて視認性を確保する */
.footer .logo__img { height: 60px; filter: brightness(0) invert(1); opacity: 0.92; }
.footer__about { margin-top: 20px; font-size: 0.9rem; line-height: 2; color: #94a4a2; max-width: 340px; }
.footer__col h4 {
  color: #fff; font-size: 0.92rem; letter-spacing: 0.12em;
  font-family: var(--sans); font-weight: 700; margin-bottom: 18px;
}
.footer__nav li { margin-bottom: 12px; }
.footer__nav a { font-size: 0.9rem; color: #b9c6c4; }
.footer__nav a:hover { color: #6fc7c7; }
.footer__info li { font-size: 0.88rem; margin-bottom: 12px; color: #94a4a2; }
.footer__info span { display: block; color: #6c7b79; font-size: 0.74rem; letter-spacing: 0.1em; margin-bottom: 2px; }
.footer__bottom {
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between;
  align-items: center; padding-top: 24px;
}
.footer__copy { font-size: 0.76rem; color: #6c7b79; letter-spacing: 0.06em; }
.footer__slogan { font-family: var(--serif); font-size: 0.86rem; color: #6fc7c7; letter-spacing: 0.08em; }

/* ---------- フローティングCTA(モバイル) ---------- */
.floating-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 900;
  display: none;
  background: rgba(247, 243, 236, 0.96);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  gap: 10px;
}
.floating-cta .btn { flex: 1; padding: 13px 10px; font-size: 0.9rem; }

/* ---------- スクロール演出(控えめ) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- ユーティリティ ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 1080px) {
  .header__cta .btn--tel { display: none; }
}

/* タブレット〜中型: ナビが詰まらないよう調整 */
@media (min-width: 1025px) and (max-width: 1240px) {
  .nav { gap: 20px; }
  .nav__list { gap: 18px; }
  .nav__link { font-size: 0.85rem; }
  .header__cta .btn { padding: 10px 16px; font-size: 0.82rem; }
}

@media (max-width: 1024px) {
  :root { --header-h: 64px; }

  .nav-toggle { display: block; }
  .header__cta { display: none; }

  .nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100svh;
    flex-direction: column;
    justify-content: center;
    gap: 26px;
    padding: calc(var(--header-h) + 24px) 20px 40px;
    overflow-y: auto;
    background: var(--cream);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), visibility 0.4s var(--ease);
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__list { flex-direction: column; text-align: center; gap: 20px; }
  .nav__link { font-size: 1.1rem; }

  .nav__cta {
    display: flex; flex-direction: column; gap: 14px; width: min(280px, 80vw);
  }
  .nav__cta .btn { width: 100%; }

  .floating-cta { display: flex; }
  body { padding-bottom: 64px; }
  .footer { padding-bottom: 92px; }

  .footer__top { grid-template-columns: 1fr; gap: 30px; }

  .header .logo__img { height: 38px; }
  .loader .logo__img { height: 78px; }
  .footer .logo__img { height: 52px; }
}

@media (min-width: 1025px) {
  .nav__cta { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   ブラッシュアップ：アクセシビリティ / 信頼バー / 補助UI
   ========================================================= */

/* テキスト選択・フォーカス可視化 */
::selection { background: rgba(0, 139, 139, 0.18); color: var(--ink); }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 3px; }
.btn:focus-visible { outline-offset: 4px; }

/* スキップリンク（キーボード操作支援） */
.skip-link {
  position: fixed;
  top: -64px; left: 14px;
  z-index: 3000;
  background: var(--teal);
  color: #fff;
  font-size: 0.86rem;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 0 0 10px 10px;
  transition: top 0.25s var(--ease);
}
.skip-link:focus { top: 0; }

/* 信頼バー（ヒーロー直下に重ねる） */
.trust-bar { position: relative; z-index: 6; }
.trust-bar__inner {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: -58px;
  overflow: hidden;
}
.trust-item {
  padding: 30px 18px;
  text-align: center;
  border-right: 1px solid var(--line);
}
.trust-item:last-child { border-right: none; }
.trust-item__num {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--teal);
  line-height: 1.1;
  letter-spacing: 0.02em;
}
.trust-item__num small { font-size: 0.86rem; margin-left: 3px; color: var(--teal-dark); }
.trust-item__label {
  display: block;
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ページトップへ戻る */
.to-top {
  position: fixed;
  right: 20px; bottom: 22px;
  z-index: 860;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  border: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0.35s var(--ease), background 0.3s var(--ease);
  box-shadow: var(--shadow-sm);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--teal-dark); }
.to-top svg { width: 22px; height: 22px; }

@media (max-width: 880px) {
  .to-top { right: 16px; bottom: 78px; width: 44px; height: 44px; }
}

@media (max-width: 760px) {
  .trust-bar__inner {
    grid-template-columns: 1fr 1fr;
    margin-top: -34px;
  }
  .trust-item { padding: 24px 14px; }
  .trust-item:nth-child(2n) { border-right: none; }
  .trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}