/* =============================================
   株式会社渡利商会 - メインスタイルシート
   ============================================= */

/* --- CSS変数（カラー・フォント定義） --- */
:root {
  --color-orange: #E8521A;
  --color-navy: #1A2340;
  --color-navy-dark: #111827;
  --color-white: #ffffff;
  --color-bg: #F0F4F4;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #dddddd;
  --font-ja: 'Noto Sans JP', sans-serif;
  --font-en: 'Montserrat', sans-serif;
  --max-width: 1100px;
  --transition: 0.3s ease;
}

/* --- リセット --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-ja);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.8;
  font-size: 15px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: opacity var(--transition);
}

a:hover {
  opacity: 0.8;
}

ul, ol {
  list-style: none;
}

/* --- レイアウト共通 --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-bg-white {
  background-color: var(--color-white);
}

/* --- セクションラベル（英語上部テキスト） --- */
.section-label {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-orange);
  text-align: center;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-label--bordered {
  display: inline-block;
  border: 1px solid var(--color-orange);
  padding: 6px 24px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-orange);
  text-transform: uppercase;
}

.section-label-wrap {
  text-align: center;
  margin-bottom: 20px;
}

/* --- 見出し --- */
.section-title {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
  line-height: 1.5;
}

.section-title--left {
  text-align: left;
}

/* --- ボタン --- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  font-family: var(--font-ja);
  font-size: 15px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  border: none;
}

.btn-primary {
  background-color: var(--color-orange);
  color: var(--color-white);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%);
  padding-right: 48px;
}

.btn-primary:hover {
  opacity: 0.85;
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
  border-radius: 50px;
  padding: 12px 32px;
}

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-navy);
  opacity: 1;
}

/* --- ヘッダー --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  height: 64px;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.site-logo img {
  height: 56px;
  width: auto;
}

/* アイコン＋テキスト組み合わせロゴ */
.site-logo--combined {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.site-logo__icon {
  height: 52px;
  width: auto;
  flex-shrink: 0;
}

.site-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-logo__ja {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.site-logo__en {
  font-size: 9px;
  font-weight: 600;
  color: #888;
  letter-spacing: 0.18em;
  font-family: var(--font-en);
}

/* --- PC ナビゲーション --- */
.pc-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.pc-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-navy);
  position: relative;
}

/* 通常リンクのホバーライン（お問い合わせ以外） */
.pc-nav a:not(.nav-contact)::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-orange);
  transition: width var(--transition);
}

.pc-nav a:not(.nav-contact):hover::after,
.pc-nav a:not(.nav-contact).active::after {
  width: 100%;
}

.pc-nav a:not(.nav-contact):hover {
  opacity: 1;
  color: var(--color-orange);
}

/* お問い合わせボタン（C案：ピル型ネイビー） */
.nav-contact {
  display: inline-block;
  padding: 9px 22px;
  background-color: var(--color-navy);
  border: none;
  border-radius: 50px;
  color: var(--color-white) !important;
  font-weight: 700 !important;
  font-size: 13px !important;
  transition: background-color var(--transition), opacity var(--transition);
}

.nav-contact:hover {
  background-color: var(--color-orange);
  color: var(--color-white) !important;
  opacity: 1 !important;
}

/* --- ハンバーガーメニュー --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  gap: 6px;
  background: none;
  border: none;
  padding: 0;
  z-index: 1100;
  position: relative;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-navy);
  transition: all var(--transition);
}

.hamburger.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* --- モバイルメニュー（右からスライドイン ドロワー型） --- */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 72vw;
  max-width: 300px;
  height: 100dvh;
  background-color: var(--color-white);
  z-index: 1050;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 0;
  padding: 80px 32px 40px;
  box-shadow: -4px 0 24px rgba(0,0,0,0.12);
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex; /* 常にdisplay:flexで、rightで制御 */
  pointer-events: none;
}

.mobile-nav.is-open {
  right: 0;
  pointer-events: auto;
}

.mobile-nav a {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-navy);
  padding: 14px 0;
  width: 100%;
  border-bottom: 1px solid var(--color-border);
  display: block;
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav a:hover {
  color: var(--color-orange);
  opacity: 1;
}

/* ドロワー背景オーバーレイ */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.drawer-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* --- ページ本文エリア（ヘッダー分のオフセット） --- */
.page-content {
  padding-top: 64px;
}

/* --- フッター --- */
.site-footer {
  background-color: var(--color-navy-dark);
  color: rgba(255,255,255,0.85);
  padding: 56px 0 24px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  margin-bottom: 40px;
}

.footer-company-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255,255,255,0.7);
  margin-bottom: 16px;
}

.footer-address {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  padding-right: 76px; /* 約2cm左にオフセット */
}

.footer-nav a {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
}

.footer-nav a:hover {
  color: var(--color-orange);
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* --- CTAバナー（ダークカード） --- */
.cta-banner {
  background-color: var(--color-navy-dark);
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
  margin: 0 auto;
  max-width: 700px;
}

.cta-banner__title {
  color: var(--color-white);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 28px;
}

.cta-banner__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-banner__tel {
  color: var(--color-white);
  font-size: 14px;
}

.cta-banner__tel a {
  color: var(--color-orange);
  font-size: 17px;
  font-weight: 700;
  text-decoration: underline;
}

/* --- ページヘッダー（各下層ページ上部） --- */
.page-header {
  background-color: var(--color-bg);
  padding: 60px 0 40px;
  text-align: center;
}

.page-header__label {
  margin-bottom: 20px;
}

.page-header__title {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  margin-bottom: 16px;
}

.page-header__desc {
  font-size: 14px;
  color: var(--color-text-light);
}

/* --- 電話・FAXカード --- */
.contact-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 700px;
  margin: 48px auto 0;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-navy);
  padding: 20px 24px;
  border-radius: 4px;
}

.contact-card__icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card__icon svg {
  width: 20px;
  height: 20px;
  fill: var(--color-white);
}

.contact-card__label {
  font-size: 12px;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.contact-card__number {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-navy);
  font-family: var(--font-en);
}

/* =============================================
   レスポンシブ
   ============================================= */
@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

  .pc-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    align-items: flex-start;
  }

  .contact-cards {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    padding: 36px 24px;
  }

  .cta-banner__actions {
    flex-direction: column;
    gap: 16px;
  }
}