/*
Theme Name: 株式会社金川
Theme URI: https://kanagawa.example.com
Author: 株式会社金川
Description: 株式会社金川 公式WordPressテーマ（舗装・外構・土木工事）。固定ページテンプレート選択に対応しています。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: kanagawa
*/
/* ==========================================================
   株式会社金川 コーポレートサイト — メインスタイルシート
   デザイン変更は :root の CSS変数を編集するだけでOK
   ========================================================== */

/* ─── Google Fonts ─── */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&family=Manrope:wght@400;500;600;700&display=swap');

/* ─── CSS Variables (Design Tokens) ─── */
:root {
  /* Brand Colors */
  --color-primary: #0F4C81;
  --color-primary-bright: #1A6BAD;
  --color-primary-deep: #0A3560;
  --color-primary-soft: #C9DFF0;

  /* Surface Colors */
  --color-bg: #FFFFFF;
  --color-surface: #FFFFFF;
  --color-cloud: #F5F7FA;
  --color-fog: #E8EDF3;

  /* Text Colors */
  --color-ink: #1F2933;
  --color-ink-soft: #2D3A47;
  --color-text-sub: #5B6770;
  --color-text-muted: #8A95A0;
  --color-on-primary: #FFFFFF;

  /* Borders */
  --color-border: #E2E8F0;
  --color-border-strong: #C8D3DE;

  /* Semantic */
  --color-accent-gold: #B8860B;
  --color-success: #1A6B45;

  /* Typography */
  --font-sans: 'Noto Sans JP', 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --font-en: 'Manrope', system-ui, sans-serif;

  /* Font Sizes */
  --text-xs: 0.75rem;    /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg: 1.125rem;   /* 18px */
  --text-xl: 1.25rem;    /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 1.875rem;  /* 30px */
  --text-4xl: 2.25rem;   /* 36px */
  --text-5xl: 3rem;      /* 48px */
  --text-hero: 3.5rem;   /* 56px */

  /* Font Weights */
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Line Heights */
  --lh-tight: 1.2;
  --lh-snug: 1.4;
  --lh-base: 1.6;
  --lh-relaxed: 1.8;

  /* Spacing */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-section: 5rem; /* 80px section gap */

  /* Border Radius */
  --radius-none: 0px;
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-xl: 16px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 76, 129, 0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(15, 76, 129, 0.10), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 24px rgba(15, 76, 129, 0.14), 0 4px 8px rgba(0,0,0,0.06);
  --shadow-card: 0 2px 8px rgba(31, 41, 51, 0.08);

  /* Transitions */
  --transition-base: 200ms ease;
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --header-height: 70px;
}

/* ─── CSS Reset & Base ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-base);
  color: var(--color-ink);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ─── Typography Utilities ─── */
.text-en {
  font-family: var(--font-en);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--font-en);
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* ─── Layout ─── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-section) 0;
}

.section--alt {
  background-color: var(--color-cloud);
}

.section--dark {
  background-color: var(--color-ink);
  color: var(--color-on-primary);
}

/* ─── Section Headings ─── */
.section-header {
  margin-bottom: var(--space-12);
}

.section-header--center {
  text-align: center;
}

.section-eyebrow {
  font-family: var(--font-en);
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--color-ink);
}

.section--dark .section-title {
  color: var(--color-on-primary);
}

.section-lead {
  margin-top: var(--space-4);
  font-size: var(--text-lg);
  color: var(--color-text-sub);
  line-height: var(--lh-relaxed);
}

.section--dark .section-lead {
  color: rgba(255,255,255,0.75);
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  min-height: 48px;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.04em;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-deep);
  border-color: var(--color-primary-deep);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  transform: translateY(-1px);
}

.btn--outline-white {
  background-color: transparent;
  color: var(--color-on-primary);
  border-color: rgba(255,255,255,0.6);
}

.btn--outline-white:hover {
  background-color: rgba(255,255,255,0.1);
  border-color: var(--color-on-primary);
}

.btn--white {
  background-color: var(--color-on-primary);
  color: var(--color-primary);
  border-color: var(--color-on-primary);
}

.btn--white:hover {
  background-color: var(--color-cloud);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-base);
  min-height: 56px;
}

.btn--phone {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
  gap: var(--space-2);
}

.btn--phone:hover {
  background-color: var(--color-cloud);
  border-color: var(--color-primary);
}

.btn-icon {
  font-size: 1.1em;
}

/* ─── Header ─── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(255,255,255,0.98);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition-base), top 0.2s ease;
}

/* WordPress Admin Bar Compatibility */
.admin-bar .header {
  top: 32px;
}

@media screen and (max-width: 782px) {
  .admin-bar .header {
    top: 46px;
  }
}

@media screen and (max-width: 600px) {
  .admin-bar .header {
    top: 0;
  }
  #wpadminbar {
    position: absolute !important;
  }
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  width: 100%;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.header__logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-decoration: none;
  flex-shrink: 0;
}

.header__logo-en {
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  letter-spacing: 0.08em;
}

.header__logo-jp {
  font-size: var(--text-xs);
  color: var(--color-text-sub);
  letter-spacing: 0.05em;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 1;
}

.header__nav-link {
  font-size: 0.875rem;
  font-weight: var(--fw-medium);
  color: var(--color-ink-soft);
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-md);
  transition: color var(--transition-base), background-color var(--transition-base);
  white-space: nowrap;
}

.header__nav-link:hover,
.header__nav-link.active {
  color: var(--color-primary);
  background-color: var(--color-cloud);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.header__phone {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-ink);
  text-decoration: none;
  white-space: nowrap;
}

.header__phone:hover {
  color: var(--color-primary);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  border: none;
  background: none;
  flex-shrink: 0;
}

.hamburger__line {
  width: 24px;
  height: 2px;
  background-color: var(--color-ink);
  transition: all var(--transition-smooth);
  border-radius: 2px;
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg);
  z-index: 99;
  overflow-y: auto;
  padding: var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
}

.admin-bar .mobile-nav {
  top: calc(var(--header-height) + 32px);
}

@media screen and (max-width: 782px) {
  .admin-bar .mobile-nav {
    top: calc(var(--header-height) + 46px);
  }
}

@media screen and (max-width: 600px) {
  .admin-bar .mobile-nav {
    top: var(--header-height);
  }
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav__link {
  font-size: var(--text-lg);
  font-weight: var(--fw-medium);
  color: var(--color-ink);
  padding: var(--space-4) var(--space-2);
  border-bottom: 1px solid var(--color-border);
  display: block;
  transition: color var(--transition-base);
}

.mobile-nav__link:hover {
  color: var(--color-primary);
}

.mobile-nav__cta {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ─── Hero / First View ─── */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height);
  background-color: var(--color-ink);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.35;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 76, 129, 0.80) 0%,
    rgba(31, 41, 51, 0.70) 50%,
    rgba(31, 41, 51, 0.50) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
  width: 100%;
}

.hero__eyebrow {
  font-family: var(--font-en);
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-4);
}

.hero__title {
  font-size: clamp(2rem, 5vw, var(--text-hero));
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--color-on-primary);
  max-width: 640px;
  margin-bottom: var(--space-6);
}

.hero__sub {
  font-size: var(--text-lg);
  line-height: var(--lh-relaxed);
  color: rgba(255,255,255,0.85);
  max-width: 680px;
  margin-bottom: var(--space-10);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.hero__phone {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.9);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  font-family: var(--font-en);
}

.hero__phone-label {
  font-size: var(--text-xs);
  font-weight: var(--fw-regular);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 2px;
}

/* ─── Page Hero (sub pages) ─── */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-primary) 100%);
  padding: calc(var(--header-height) + var(--space-12)) 0 var(--space-16);
  color: var(--color-on-primary);
}

.page-hero__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.page-hero__eyebrow {
  font-family: var(--font-en);
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-3);
}

.page-hero__title {
  font-size: clamp(1.75rem, 4vw, var(--text-4xl));
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  margin-bottom: var(--space-4);
}

.page-hero__desc {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  line-height: var(--lh-relaxed);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  margin-top: var(--space-6);
}

.breadcrumb__item {
  color: rgba(255,255,255,0.65);
}

.breadcrumb__item a {
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-base);
}

.breadcrumb__item a:hover {
  color: var(--color-on-primary);
}

.breadcrumb__sep {
  color: rgba(255,255,255,0.3);
}

.breadcrumb__current {
  color: rgba(255,255,255,0.9);
}

/* ─── Problem / Concern Section ─── */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.problem-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.problem-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-soft);
}

.problem-card__icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.problem-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.problem-card__text {
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  line-height: var(--lh-snug);
  color: var(--color-ink);
}

.problem-cta {
  text-align: center;
  font-size: var(--text-lg);
  font-weight: var(--fw-semibold);
  color: var(--color-text-sub);
  background-color: var(--color-cloud);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
}

/* ─── Why Us Section ─── */
.reason-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.reason-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.reason-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.reason-card__number {
  font-family: var(--font-en);
  font-size: var(--text-5xl);
  font-weight: var(--fw-bold);
  color: var(--color-primary-soft);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.reason-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}

.reason-card__title {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-ink);
  margin-bottom: var(--space-3);
  line-height: var(--lh-snug);
}

.reason-card__desc {
  font-size: var(--text-base);
  color: var(--color-text-sub);
  line-height: var(--lh-relaxed);
}

/* ─── Service Cards ─── */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.service-grid--sub {
  grid-template-columns: repeat(3, 1fr);
}

.service-card {
  position: relative;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}


.service-card__img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.service-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
}

.service-card__title {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-ink);
  margin-bottom: var(--space-3);
  line-height: var(--lh-snug);
}

.service-card--sub .service-card__title {
  font-size: var(--text-lg);
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-sub);
  line-height: var(--lh-relaxed);
  flex: 1;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  margin-top: var(--space-4);
  transition: gap var(--transition-base);
}

.service-card__link:hover {
  gap: var(--space-3);
}

/* ─── Case Study Cards ─── */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.case-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-card__img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.case-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.case-card:hover .case-card__img {
  transform: scale(1.04);
}

.case-card__tag {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  color: var(--color-on-primary);
  background-color: var(--color-primary);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.case-card__body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.case-card__title {
  font-size: var(--text-base);
  font-weight: var(--fw-bold);
  color: var(--color-ink);
  line-height: var(--lh-snug);
  margin-bottom: var(--space-3);
  flex: 1;
}

.case-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-sub);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-4);
}

.case-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  transition: gap var(--transition-base);
}

.case-card__link:hover {
  gap: var(--space-3);
}

/* ─── News List ─── */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.news-item {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-5) var(--space-6);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  transition: background-color var(--transition-base);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item:hover {
  background-color: var(--color-cloud);
}

.news-item__date {
  font-family: var(--font-en);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
  min-width: 90px;
}

.news-item__cat {
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.news-item__title {
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  color: var(--color-ink);
  line-height: var(--lh-snug);
  flex: 1;
}

/* ─── CTA Band ─── */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-primary) 100%);
  padding: var(--space-16) 0;
  text-align: center;
  color: var(--color-on-primary);
}

.cta-band__title {
  font-size: var(--text-3xl);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-4);
  line-height: var(--lh-tight);
}

.cta-band__sub {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.80);
  margin-bottom: var(--space-10);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-band__buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.cta-band__phone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.cta-band__phone-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.05em;
}

.cta-band__phone-num {
  font-family: var(--font-en);
  font-size: var(--text-3xl);
  font-weight: var(--fw-bold);
  color: var(--color-on-primary);
  letter-spacing: 0.05em;
}

.cta-band__phone-hours {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.65);
}

/* ─── Footer ─── */
.footer {
  background-color: var(--color-ink);
  color: var(--color-on-primary);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: var(--space-8);
}

.footer__logo-en {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  color: var(--color-on-primary);
  letter-spacing: 0.08em;
}

.footer__logo-jp {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  margin-top: var(--space-1);
  display: block;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  line-height: var(--lh-relaxed);
  margin-top: var(--space-4);
}

.footer__permit {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
  margin-top: var(--space-4);
}

.footer__sns {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.footer__sns-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.7);
  font-size: var(--text-base);
  transition: all var(--transition-base);
}

.footer__sns-link:hover {
  border-color: var(--color-on-primary);
  color: var(--color-on-primary);
  background-color: rgba(255,255,255,0.1);
}

.footer__nav-title {
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: var(--space-4);
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__nav-link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-base);
}

.footer__nav-link:hover {
  color: var(--color-on-primary);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
}

.footer__legal {
  display: flex;
  gap: var(--space-4);
}

.footer__legal a {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  transition: color var(--transition-base);
}

.footer__legal a:hover {
  color: rgba(255,255,255,0.8);
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-smooth);
  opacity: 0;
  pointer-events: none;
  z-index: 50;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

.back-to-top:hover {
  background-color: var(--color-primary-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ─── Process Steps ─── */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-soft));
}

.process-step {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-6) 0;
  position: relative;
}

.process-step__num {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  position: relative;
  z-index: 1;
}

.process-step__body {
  padding-top: var(--space-3);
}

.process-step__title {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.process-step__desc {
  font-size: var(--text-base);
  color: var(--color-text-sub);
  line-height: var(--lh-relaxed);
}

/* ─── FAQ ─── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  background-color: var(--color-bg);
  transition: background-color var(--transition-base);
}

.faq-question:hover {
  background-color: var(--color-cloud);
}

.faq-question__text {
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.faq-question__q {
  font-family: var(--font-en);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  flex-shrink: 0;
}

.faq-question__icon {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  transition: transform var(--transition-smooth);
  flex-shrink: 0;
}

.faq-item.open .faq-question__icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 var(--space-6) var(--space-5);
  background-color: var(--color-cloud);
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-answer__inner {
  display: flex;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.faq-answer__a {
  font-family: var(--font-en);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.faq-answer__text {
  font-size: var(--text-base);
  color: var(--color-text-sub);
  line-height: var(--lh-relaxed);
}

/* ─── Company Info Table ─── */
.company-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
}

.company-table th,
.company-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.company-table th {
  width: 180px;
  font-weight: var(--fw-semibold);
  color: var(--color-ink);
  background-color: var(--color-cloud);
  white-space: nowrap;
}

.company-table td {
  color: var(--color-text-sub);
  line-height: var(--lh-relaxed);
}

/* ─── Contact Form ─── */
.contact-form {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.form-required {
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  color: var(--color-on-primary);
  background-color: var(--color-primary);
  padding: 1px 6px;
  border-radius: 3px;
}

.form-optional {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-ink);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.15);
}

.form-textarea {
  min-height: 160px;
  resize: vertical;
}

.form-select-wrap {
  position: relative;
}

.form-select-wrap::after {
  content: '▼';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-sub);
  line-height: var(--lh-relaxed);
}

.form-checkbox input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
  margin-top: 2px;
}

/* ─── Filter Tabs ─── */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.filter-tab {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-sub);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-tab:hover,
.filter-tab.active {
  background-color: var(--color-ink);
  color: var(--color-on-primary);
  border-color: var(--color-ink);
}

/* ─── Privacy Policy ─── */
.policy-content h2 {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-ink);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-border);
}

.policy-content p {
  font-size: var(--text-base);
  color: var(--color-text-sub);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-4);
}

.policy-content ul {
  list-style: disc;
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.policy-content li {
  font-size: var(--text-base);
  color: var(--color-text-sub);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-2);
}

/* ─── Badge / Tag ─── */
.badge {
  display: inline-block;
  padding: 2px 10px;
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  border-radius: var(--radius-pill);
}

.badge--primary {
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
}

.badge--dark {
  color: var(--color-on-primary);
  background-color: var(--color-ink);
}

/* ─── Pagination ─── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-10);
}

.page-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-sub);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.page-btn:hover,
.page-btn.active {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

/* ─── Section Divider ─── */
.divider {
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-pill);
  margin-top: var(--space-4);
}

.divider--center {
  margin-left: auto;
  margin-right: auto;
}

/* ─── Two Column Layout ─── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.two-col--reverse {
  direction: rtl;
}

.two-col--reverse > * {
  direction: ltr;
}

/* ─── Section CTA row ─── */
.section-cta {
  text-align: center;
  margin-top: var(--space-10);
}

/* ─── Map embed ─── */
.map-embed {
  width: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.map-embed iframe {
  width: 100%;
  height: 360px;
  display: block;
  border: none;
}

/* ─── Permit badges ─── */
.permit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
}

.permit-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--color-ink);
}

.permit-item__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

/* ─── Utility ─── */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border-width: 0;
}
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }

/* ─── Fade-in Animation ─── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeInUp 0.5s ease forwards;
}

/* ─── Responsive ─── */

/* Tablet & Small Desktop */
@media (max-width: 1120px) {
  :root { --space-section: 4rem; }

  .header__nav { display: none; }
  .header__actions { display: none; }
  .hamburger { display: flex; }

  .reason-grid { grid-template-columns: 1fr; gap: var(--space-4); }
  .service-grid { grid-template-columns: 1fr; }
  .service-grid--sub { grid-template-columns: 1fr 1fr; }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .two-col { grid-template-columns: 1fr; gap: var(--space-8); }
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --space-section: 3rem;
    --text-hero: 2.25rem;
  }

  .container { padding: 0 var(--space-4); }

  .hero__title { font-size: 1.75rem; }
  .hero__sub { font-size: var(--text-base); }

  .section-title { font-size: var(--text-2xl); }

  .problem-grid { grid-template-columns: 1fr; }
  .reason-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .service-grid--sub { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }

  .hero__cta { flex-direction: column; align-items: flex-start; }

  .cta-band__buttons { flex-direction: column; }
  .cta-band__title { font-size: var(--text-2xl); }

  .footer__top { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; text-align: center; }

  .news-item { flex-direction: column; align-items: flex-start; gap: var(--space-2); }
  .news-item__date { min-width: unset; }

  .company-table th { width: 120px; }
  .contact-form { padding: var(--space-6); }

  .process-steps::before { left: 20px; }
  .process-step__num { width: 44px; height: 44px; font-size: var(--text-base); }
}