/* ==========================================================================
   miyama-tech オリジナルテーマ メインスタイル
   統合実装計画書 第8章（デザイン仕様）に基づく
   ========================================================================== */

:root {
  --miyama-navy: #123A66;      /* メインカラー（紺） */
  --miyama-orange: #F07322;    /* アクセント（電話ボタン専用） */
  --miyama-orange-dark: #D45E12;
  --miyama-green: #2E9E5B;     /* サブCTA（フォーム） */
  --miyama-bg-pale: #EBF3FB;   /* 薄い背景 */
  --miyama-text: #333333;
  --miyama-text-sub: #666666;
  --miyama-border: #E0E6ED;
  --miyama-white: #FFFFFF;
  --container-max: 1120px;
}

/* --------------------------------------------------------------------
   リセット・ベース
   -------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 18px;
  line-height: 1.8;
  color: var(--miyama-text);
  background: var(--miyama-white);
  padding-bottom: 0;
}
@media (max-width: 767px) {
  body { font-size: 17px; padding-bottom: 76px; } /* スマホ固定バーの分だけ余白 */
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--miyama-navy); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-weight: 700; color: var(--miyama-navy); line-height: 1.4; margin: 0 0 0.6em; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.miyama-section { padding: 80px 0; }
.miyama-section--pale { background: var(--miyama-bg-pale); }
@media (max-width: 767px) {
  .miyama-section { padding: 48px 0; }
}

.miyama-section__heading {
  text-align: center;
  font-size: 32px;
  margin-bottom: 32px;
}
@media (max-width: 767px) {
  .miyama-section__heading { font-size: 24px; margin-bottom: 24px; }
}

.miyama-lead { text-align: center; color: var(--miyama-text); max-width: 640px; margin: 0 auto 32px; }

/* --------------------------------------------------------------------
   ボタン
   -------------------------------------------------------------------- */
.miyama-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 8px;
  padding: 14px 28px;
  font-weight: 700;
  font-size: 18px;
  min-height: 56px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: transform .1s ease, background-color .15s ease;
}
.miyama-btn:hover { text-decoration: none; transform: translateY(1px); }

.miyama-btn--tel { background: var(--miyama-orange); color: #fff; }
.miyama-btn--tel:hover { background: var(--miyama-orange-dark); color: #fff; }
.miyama-btn--form {
  background: #fff;
  color: var(--miyama-green);
  border: 2px solid var(--miyama-green);
}
.miyama-btn--form:hover { background: var(--miyama-green); color: #fff; }

.miyama-btn--lg { min-height: 72px; padding: 16px 32px; font-size: 20px; }
.miyama-btn__text { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.3; }
.miyama-btn__text small { font-weight: 400; font-size: 0.6em; }
.miyama-btn__icon { font-size: 1.3em; }

@media (max-width: 767px) {
  .miyama-btn--lg { min-height: 64px; font-size: 18px; width: 100%; }
}

.miyama-btn-row { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
@media (max-width: 767px) {
  .miyama-btn-row { flex-direction: column; }
}

.miyama-link-more { color: var(--miyama-navy); font-weight: 700; }
.miyama-link-more::after { content: " →"; }

/* --------------------------------------------------------------------
   ① ヘッダー
   -------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: #fff;
  border-bottom: 1px solid var(--miyama-border);
}
.site-header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}
.site-header__brand { display: flex; align-items: center; gap: 12px; }
.site-header__logo img,
.site-header__logo .custom-logo,
.custom-logo-link .custom-logo {
  width: 48px;
  height: 48px;
  max-width: 48px;
  max-height: 48px;
  object-fit: contain;
}
.custom-logo-link { display: inline-flex; align-items: center; }
.site-header__brand-text { line-height: 1.3; }
.site-header__brand-name { font-weight: 700; color: var(--miyama-navy); font-size: 18px; }
.site-header__brand-catch { font-size: 13px; color: var(--miyama-text-sub); }

.site-header__contact { display: flex; align-items: center; gap: 20px; }
.site-header__tel { text-align: right; line-height: 1.3; }
.site-header__tel a { color: var(--miyama-navy); font-weight: 700; font-size: 28px; font-family: "Lato", "Noto Sans JP", sans-serif; }
.site-header__hours { font-size: 13px; color: var(--miyama-text-sub); }
.site-header__cta-btn {
  background: var(--miyama-orange);
  color: #fff;
  border-radius: 6px;
  padding: 0 24px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  white-space: nowrap;
}
.site-header__cta-btn:hover { color: #fff; text-decoration: none; background: var(--miyama-orange-dark); }

.site-header__nav-row { border-top: 1px solid var(--miyama-border); }
.site-header__nav ul { display: flex; flex-wrap: wrap; justify-content: center; }
.site-header__nav a {
  display: block;
  padding: 14px 18px;
  color: var(--miyama-navy);
  font-weight: 700;
}
.site-header__nav a:hover { background: var(--miyama-bg-pale); text-decoration: none; }

.site-header__mobile-tel,
.site-header__hamburger { display: none; }

/*
 * PC/タブレット幅ではスマホ用メニューを完全に非表示にする（既定値）。
 * 内部にボタン・ナビゲーションを含むため、メディアクエリの外側で
 * 明示的にdisplay:noneを指定しないと、幅に関わらず常時表示されてしまう
 * （実機確認で判明した不具合の直接原因）。
 */
.site-header__mobile-nav { display: none; }

@media (max-width: 900px) {
  .site-header__hours,
  .site-header__cta-btn { display: none; }
  .site-header__tel a { font-size: 20px; }
}

@media (max-width: 767px) {
  .site-header__nav-row { display: none; } /* モバイルはハンバーガーメニュー内に格納 */
  .site-header__tel { display: none; }
  /* スマホヘッダーはロゴ＋会社名（左）／ハンバーガー（右）の1段構成にする。
     オレンジの電話アイコンは非表示のまま（.site-header__mobile-telの既定displayはnoneのため上書きしない）。
     電話導線は画面下部固定バーに集約する。 */
  .site-header__hamburger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
  }
  .site-header__hamburger span,
  .site-header__hamburger span::before,
  .site-header__hamburger span::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--miyama-navy);
    position: relative;
    content: "";
  }
  .site-header__hamburger span::before { top: -8px; }
  .site-header__hamburger span::after { top: 6px; }

  .site-header__mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: #fff;
    z-index: 600;
    padding: 16px 20px;
    overflow-y: auto;
  }
  .site-header__mobile-nav.is-open { display: block; }
  .site-header__mobile-nav .miyama-btn { width: 100%; margin-bottom: 20px; }
  .site-header__mobile-nav ul li a {
    display: block;
    padding: 16px 8px;
    font-size: 18px;
    font-weight: 700;
    border-bottom: 1px solid var(--miyama-border);
    min-height: 56px;
  }
  .site-header__mobile-nav-close {
    display: block;
    margin-left: auto;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    font-size: 28px;
    color: var(--miyama-navy);
  }
}

/* --------------------------------------------------------------------
   ② ファーストビュー
   -------------------------------------------------------------------- */
.hero {
  position: relative;
  background:
    radial-gradient(circle at 15% 20%, rgba(240,115,34,0.18) 0%, rgba(240,115,34,0) 40%),
    radial-gradient(circle at 85% 80%, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0) 45%),
    linear-gradient(180deg, var(--miyama-navy) 0%, #0d2c50 100%);
  color: #fff;
  padding: 56px 0 64px;
  overflow: hidden;
}
/* 文字が乗る中央付近だけ自然に暗くし、写真の端（建物・看板）は明るいまま見せる */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(ellipse 70% 65% at 50% 42%, rgba(8,28,54,0.55) 0%, rgba(8,28,54,0.22) 55%, rgba(8,28,54,0) 80%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; text-align: center; }
.hero h1 {
  color: #fff;
  font-size: 44px;
  margin-bottom: 20px;
  text-shadow: 0 2px 14px rgba(0,0,0,0.5);
}
@media (max-width: 767px) {
  .hero {
    padding-left: 8px;
    padding-right: 8px;
  }
  .hero h1 {
    font-size: 24px;
    line-height: 1.6;
    letter-spacing: 0;
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  /* フレーズ単位で改行させ、単語の途中（例：「なら」の「ら」だけ）で
     不自然に折り返されないようにする。文言自体は変更していない。 */
  .hero h1 .hero-h1__line {
    display: block;
  }
  .hero__inner { padding: 0 8px; }
}
.hero__lead { font-size: 18px; margin-bottom: 24px; opacity: 0.95; text-shadow: 0 1px 8px rgba(0,0,0,0.4); }
.hero__note { font-size: 15px; margin-bottom: 8px; opacity: 0.9; text-shadow: 0 1px 8px rgba(0,0,0,0.4); }
.hero__emergency {
  background: rgba(13,30,56,0.42);
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 24px auto;
  max-width: 560px;
  font-size: 15px;
  text-shadow: 0 1px 6px rgba(0,0,0,0.35);
}
.hero__cta { margin-top: 28px; }
.hero__hours { margin-top: 12px; font-size: 14px; opacity: 0.9; text-shadow: 0 1px 6px rgba(0,0,0,0.35); }
/* 実写真が入るまでの間、意匠として使う装飾（「準備中」感を出さない） */
.hero__brandmark {
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0.85;
}
.hero__brandmark::before,
.hero__brandmark::after {
  content: "";
  height: 1px;
  width: 64px;
  background: rgba(255,255,255,0.35);
}
.hero__brandmark svg { width: 28px; height: 28px; }

/* 写真が未着荷の場合に使う、自社ブランドをモチーフにした共通フォールバック意匠 */
.thumb-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--miyama-bg-pale) 0%, #dfeaf6 100%);
}
.thumb-fallback svg { width: 36%; height: 36%; opacity: 0.55; }

/* --------------------------------------------------------------------
   ③ こんなお困りごとはありませんか？
   -------------------------------------------------------------------- */
.trouble-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
@media (max-width: 900px) {
  .trouble-grid { grid-template-columns: repeat(2, 1fr); }
}
.trouble-card {
  background: #fff;
  border: 1px solid var(--miyama-border);
  border-radius: 8px;
  padding: 24px 20px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(18,58,102,0.08);
}
.trouble-card__icon { font-size: 34px; margin-bottom: 10px; }
.trouble-card p { margin: 0; font-size: 16px; }
.trouble-footer { text-align: center; }
.trouble-footer p { margin-bottom: 16px; }

/* --------------------------------------------------------------------
   ④ 提供中のサービス
   -------------------------------------------------------------------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 900px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}
.service-card {
  background: #fff;
  border: 1px solid var(--miyama-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(18,58,102,0.08);
}
.service-card__thumb {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--miyama-bg-pale) 0%, #dfeaf6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.service-card__icon-badge {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 4px 10px rgba(18,58,102,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--miyama-navy);
}
.service-card__body { padding: 16px; }
.service-card__title { font-size: 17px; margin-bottom: 6px; }
.service-card__desc { font-size: 14px; color: var(--miyama-text-sub); margin: 0; }
.service-heading-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
}
@media (max-width: 600px) {
  .service-heading-row { flex-direction: column; gap: 8px; }
}

/* --------------------------------------------------------------------
   ⑤ 選ばれる理由
   -------------------------------------------------------------------- */
.reason-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 900px) {
  .reason-grid { grid-template-columns: repeat(2, 1fr); }
}
.reason-card { text-align: center; padding: 0 8px; }
.reason-card__num {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--miyama-navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
  font-weight: 700;
}
.reason-card h3 { font-size: 18px; }
.reason-card p { font-size: 15px; color: var(--miyama-text-sub); }
.founded-badge {
  display: inline-block;
  margin: 0 auto 24px;
  padding: 6px 16px;
  border: 1px solid var(--miyama-navy);
  border-radius: 999px;
  color: var(--miyama-navy);
  font-size: 14px;
  text-align: center;
}
.founded-badge-wrap { text-align: center; }

/* --------------------------------------------------------------------
   ⑥ 施工事例＋お知らせ
   -------------------------------------------------------------------- */
.two-col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
}
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
}
.works-list { display: grid; gap: 20px; grid-template-columns: repeat(2, 1fr); }
@media (max-width: 560px) {
  .works-list { grid-template-columns: 1fr; }
}
.works-card {
  background: #fff;
  border: 1px solid var(--miyama-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(18,58,102,0.08);
}
.works-card__thumb {
  aspect-ratio: 4 / 3;
  background: var(--miyama-bg-pale);
  display: flex; align-items: center; justify-content: center;
  color: var(--miyama-navy);
  overflow: hidden;
}
.works-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.works-card__body { padding: 14px; }
.works-card__date { font-size: 13px; color: var(--miyama-text-sub); }
.works-card__title { font-size: 16px; margin: 4px 0 0; }

.news-list li {
  border-bottom: 1px solid var(--miyama-border);
  padding: 14px 0;
}
.news-list a { display: block; }
.news-list__date { display: block; font-size: 13px; color: var(--miyama-text-sub); }
.news-list__title { font-size: 15px; color: var(--miyama-text); }

.col-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
  font-size: 22px;
}

/* --------------------------------------------------------------------
   ⑦ ページ末尾CTA帯
   -------------------------------------------------------------------- */
.cta-band {
  background: var(--miyama-navy);
  color: #fff;
  text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band__note { margin-bottom: 24px; opacity: 0.9; }
.cta-band__info { margin-top: 28px; font-size: 15px; opacity: 0.95; }
.cta-band__info p { margin: 4px 0; }

/* --------------------------------------------------------------------
   ⑧ フッター
   -------------------------------------------------------------------- */
.site-footer {
  background: #0d2c50;
  color: #fff;
  padding: 48px 0 24px;
  font-size: 14px;
}
.site-footer a { color: #fff; }
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
@media (max-width: 767px) {
  .site-footer__grid { grid-template-columns: 1fr; gap: 24px; }
}
.site-footer__heading { color: #fff; font-size: 15px; margin-bottom: 12px; opacity: 0.8; }
.site-footer__list li { margin-bottom: 8px; }
.site-footer__company p { margin: 2px 0; }
.site-footer__tel { font-size: 22px; font-weight: 700; font-family: "Lato", "Noto Sans JP", sans-serif; }
.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 16px;
  text-align: center;
  opacity: 0.7;
  font-size: 12px;
}

/* --------------------------------------------------------------------
   ⑨ スマホ固定電話バー
   -------------------------------------------------------------------- */
.sp-fixed-cta { display: none; }
@media (max-width: 767px) {
  .sp-fixed-cta {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 900;
    gap: 8px;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
    background: rgba(255,255,255,0.97);
    box-shadow: 0 -2px 12px rgba(0,0,0,0.15);
  }
  .sp-fixed-cta a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 60px;
    border-radius: 8px;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.25;
  }
  .sp-cta-tel { flex: 65; background: var(--miyama-orange); color: #fff; }
  .sp-cta-form { flex: 35; background: #fff; color: var(--miyama-navy); border: 2px solid var(--miyama-navy); }
  .sp-cta-tel small { display: block; font-size: 12px; font-weight: 500; }
}

/* --------------------------------------------------------------------
   汎用ページ（page.php / single.php / archive.php）
   -------------------------------------------------------------------- */
.page-banner {
  background: var(--miyama-navy);
  color: #fff;
  text-align: center;
  padding: 48px 0;
}
.page-banner h1 { color: #fff; margin: 0; }
.breadcrumb { font-size: 13px; color: var(--miyama-text-sub); padding: 16px 0; }
.entry-content { padding: 40px 0; }
.entry-content img { border-radius: 8px; }
.archive-list { display: grid; gap: 24px; grid-template-columns: repeat(2, 1fr); padding: 40px 0; }
@media (max-width: 600px) { .archive-list { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------
   会社案内ページ
   -------------------------------------------------------------------- */
.company-greeting {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 32px;
  align-items: start;
  padding-top: 40px;
}
@media (max-width: 900px) {
  .company-greeting { grid-template-columns: 1fr 200px; }
}
@media (max-width: 700px) {
  .company-greeting { grid-template-columns: 1fr; }
}
.company-greeting__photo {
  aspect-ratio: 3 / 4;
  border-radius: 8px;
  overflow: hidden;
  width: 100%;
  max-width: 240px;
  justify-self: end;
}
@media (max-width: 700px) {
  .company-greeting__photo { justify-self: start; max-width: 220px; }
}
.company-greeting__photo img { width: 100%; height: 100%; object-fit: cover; }

/* 写真が未設定の間は、代表挨拶の文章のみを全幅で表示する（空白・仮画像を出さない） */
.company-greeting__body--full { padding-top: 40px; }

.company-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.company-table th, .company-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--miyama-border);
  vertical-align: top;
}
.company-table th { width: 160px; color: var(--miyama-navy); font-weight: 700; background: var(--miyama-bg-pale); }
@media (max-width: 600px) {
  .company-table, .company-table tbody, .company-table tr, .company-table th, .company-table td { display: block; width: 100%; }
  .company-table tr { margin-bottom: 4px; }
  .company-table th { border-bottom: none; padding-bottom: 4px; }
  .company-table td { padding-top: 0; }
}

/* --------------------------------------------------------------------
   お問い合わせページ
   -------------------------------------------------------------------- */
.contact-phone-block {
  background: var(--miyama-bg-pale);
  border-radius: 8px;
  padding: 32px 24px;
  text-align: center;
  margin-bottom: 40px;
}
.contact-phone-block p { margin: 6px 0; }
.contact-form-wrap { max-width: 640px; margin: 0 auto; }
.contact-note { font-size: 14px; color: var(--miyama-text-sub); margin-top: 24px; }

.contact-channels {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  padding: 32px 0;
}
@media (max-width: 700px) {
  .contact-channels { grid-template-columns: 1fr; }
}
.contact-channel-card {
  background: var(--miyama-bg-pale);
  border-radius: 8px;
  padding: 32px 24px;
  text-align: center;
}
.contact-channel-card p { margin: 6px 0; }