/* ============================================================
   style.css — 株式会社志進興業 (shishin.group)
   Mobile-first / Custom Properties / Noto Sans JP
   ============================================================ */

/* ──────────────────────────────────────────
   Google Fonts
────────────────────────────────────────── */

/* ──────────────────────────────────────────
   Custom Properties
────────────────────────────────────────── */
:root {
  /* Colors */
  --color-navy:        #0a1628;
  --color-navy-mid:    #1a2d4f;
  --color-accent:      #e8b84b;
  --color-accent-hover:#d4a43a;
  --color-text:        #1a1a2e;
  --color-text-light:  #666;
  --color-bg:          #ffffff;
  --color-bg-light:    #f8f9fc;
  --color-border:      #e0e4ef;

  /* Typography */
  --font-base: 'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;
  --fz-xs:  0.75rem;   /* 12px */
  --fz-sm:  0.875rem;  /* 14px */
  --fz-md:  1rem;      /* 16px */
  --fz-lg:  1.125rem;  /* 18px */
  --fz-xl:  1.25rem;   /* 20px */
  --fz-2xl: 1.5rem;    /* 24px */
  --fz-3xl: 2rem;      /* 32px */
  --fz-4xl: 2.5rem;    /* 40px */
  --fz-5xl: 3rem;      /* 48px */

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --header-h:    64px;
  --container-w: 1200px;
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 4px rgba(10,22,40,.08);
  --shadow-md: 0 4px 16px rgba(10,22,40,.12);
  --shadow-lg: 0 8px 32px rgba(10,22,40,.16);

  /* Transitions */
  --trans-base: 0.25s ease;
  --trans-slow: 0.4s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-size: var(--fz-md);
  font-weight: 400;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* ──────────────────────────────────────────
   Skip Link
────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent);
  color: var(--color-navy);
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: top var(--trans-base);
}

.skip-link:focus {
  top: var(--space-4);
}

/* ──────────────────────────────────────────
   Container
────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

/* ──────────────────────────────────────────
   Header
────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  z-index: 900;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--trans-base);
}

.site-header.is-scrolled {
  box-shadow: 0 2px 12px rgba(10,22,40,.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding-inline: var(--space-5);
  max-width: var(--container-w);
  margin-inline: auto;
}

/* ロゴ */
.site-header__logo {
  display: flex;
  align-items: center;
  color: var(--color-bg);
  line-height: 1.2;
}

.site-header__logo img {
  display: block;
  height: 32px;
  width: auto;
}

.site-header__logo-en {
  font-size: var(--fz-xs);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.site-header__logo-ja {
  font-size: var(--fz-lg);
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* ──────────────────────────────────────────
   Navigation
────────────────────────────────────────── */
.global-nav {
  display: none;
}

.global-nav__list {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.global-nav__link {
  position: relative;
  color: var(--color-text);
  font-size: var(--fz-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  padding-block: var(--space-2);
  transition: color var(--trans-base);
}

.global-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-navy);
  transition: width var(--trans-base);
}

.global-nav__link:hover,
.global-nav__link[aria-current="page"] {
  color: var(--color-navy-mid);
}

.global-nav__link:hover::after,
.global-nav__link[aria-current="page"]::after {
  width: 100%;
}

/* CTA in nav */
.global-nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-navy);
  color: #fff !important;
  font-weight: 700;
  font-size: var(--fz-sm);
  border-radius: 2px;
  transition: background var(--trans-base), transform var(--trans-base);
}

.global-nav__cta:hover {
  background: var(--color-navy-mid);
  transform: translateY(-1px);
}

.global-nav__cta::after {
  display: none !important;
}

/* ──────────────────────────────────────────
   Hamburger
────────────────────────────────────────── */
.hamburger {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  z-index: 910;
  border-radius: var(--radius-sm);
  transition: background var(--trans-base);
}

.hamburger:hover {
  background: rgba(10,22,40,.06);
}

.hamburger__bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  border-radius: var(--radius-full);
  transition: transform var(--trans-base), opacity var(--trans-base);
  transform-origin: center;
}

/* Open state */
.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ──────────────────────────────────────────
   Mobile Drawer
────────────────────────────────────────── */
.mobile-drawer {
  position: fixed;
  top: var(--header-h);
  left: 0;
  width: 100%;
  height: calc(100dvh - var(--header-h));
  background: #fff;
  border-top: 1px solid var(--color-border);
  z-index: 800;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform var(--trans-slow);
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

.mobile-drawer__nav {
  padding: var(--space-8) var(--space-6);
}

.mobile-drawer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-drawer__link {
  display: block;
  padding: var(--space-4) var(--space-4);
  color: var(--color-text);
  font-size: var(--fz-lg);
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--trans-base), padding-left var(--trans-base);
}

.mobile-drawer__link:hover {
  color: var(--color-navy-mid);
  padding-left: var(--space-6);
}

.mobile-drawer__cta {
  display: block;
  margin-top: var(--space-8);
  padding: var(--space-4);
  background: var(--color-navy);
  color: #fff;
  font-weight: 700;
  font-size: var(--fz-lg);
  text-align: center;
  border-radius: 2px;
  transition: background var(--trans-base);
}

.mobile-drawer__cta:hover {
  background: var(--color-navy-mid);
}

/* ──────────────────────────────────────────
   PC nav visible
────────────────────────────────────────── */
@media (min-width: 768px) {
  .global-nav {
    display: block;
  }

  .hamburger {
    display: none;
  }

  .mobile-drawer {
    display: none;
  }
}

/* ──────────────────────────────────────────
   Section Common
────────────────────────────────────────── */
.section {
  padding-block: var(--space-16);
}

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

.section--dark {
  background: var(--color-navy);
  color: #fff;
}

/* Section Title */
.section-title {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-title__sub {
  display: inline-block;
  font-size: var(--fz-xs);
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #8a94a6;
  margin-bottom: var(--space-3);
}

.section--dark .section-title__sub {
  color: rgba(255,255,255,.5);
}

.section-title__main {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--fz-2xl);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.08em;
  color: inherit;
}

.section--dark .section-title__main {
  color: #fff;
}

.section-title__body {
  display: block;
  margin-top: var(--space-4);
  font-size: var(--fz-md);
  color: var(--color-text-light);
  max-width: 600px;
  margin-inline: auto;
  line-height: 1.9;
}

.section--dark .section-title__body {
  color: rgba(255,255,255,.65);
}

.section-title__main::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: rgba(10,22,40,.35);
  margin: var(--space-5) auto 0;
}

.section--dark .section-title__main::after {
  background: rgba(255,255,255,.4);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-24);
  }

  .section-title__main {
    font-size: var(--fz-3xl);
  }
}

/* ──────────────────────────────────────────
   Hero Section
────────────────────────────────────────── */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  padding-top: var(--header-h);
  background: #fff;
  overflow: hidden;
}

/* 分割レイアウト(テキスト左・写真右) */
.hero__inner {
  grid-column: 1;
  grid-row: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
  text-align: left;
  width: 100%;
  padding: var(--space-16) var(--space-5) var(--space-12);
}

.hero__eyebrow {
  display: inline-block;
  font-size: var(--fz-xs);
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #5f6b80;
  margin-bottom: var(--space-8);
}

.hero__title {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.3;
  margin-bottom: var(--space-6);
}

.section--dark .hero__eyebrow {
  color: rgba(255,255,255,.72);
}

.section--dark .hero__desc {
  color: rgba(255,255,255,.78);
  margin-inline: auto;
}

.hero__copy {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 6.5vw, 4rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-navy);
  letter-spacing: 0.1em;
}

.hero__lead {
  display: block;
  margin-top: var(--space-8);
  font-size: clamp(var(--fz-md), 2vw, var(--fz-lg));
  font-weight: 700;
  color: var(--color-navy-mid);
  letter-spacing: 0.08em;
}

.hero__title em {
  font-style: normal;
  color: inherit;
}

.hero__desc {
  font-size: clamp(var(--fz-sm), 1.6vw, var(--fz-md));
  color: var(--color-text-light);
  line-height: 2.1;
  margin-bottom: var(--space-10);
  max-width: 560px;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: flex-start;
}

@media (min-width: 480px) {
  .hero__actions {
    flex-direction: row;
    justify-content: flex-start;
  }
}

/* スクロールインジケーター(PCのみ) */
.hero__scroll {
  display: none;
  position: absolute;
  bottom: var(--space-6);
  z-index: 2;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(10,22,40,.5);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.3em;
}

.hero__scroll::after {
  content: '';
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(10,22,40,.6), transparent);
  animation: hero-scroll-line 2.2s ease-in-out infinite;
  transform-origin: top;
}

@keyframes hero-scroll-line {
  0%   { transform: scaleY(0); }
  40%  { transform: scaleY(1); }
  100% { transform: scaleY(1); opacity: 0; }
}

/* ──────────────────────────────────────────
   Buttons
────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-base);
  font-size: var(--fz-md);
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: 2px;
  transition: background var(--trans-base), color var(--trans-base),
              border-color var(--trans-base);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-navy);
  color: #fff;
  border-color: var(--color-navy);
}

.btn--primary:hover {
  background: var(--color-navy-mid);
  border-color: var(--color-navy-mid);
}

.section--dark .btn--primary {
  background: #fff;
  color: var(--color-navy);
  border-color: #fff;
}

.section--dark .btn--primary:hover {
  background: rgba(255,255,255,.85);
  border-color: rgba(255,255,255,.85);
}

.btn--outline {
  background: transparent;
  color: var(--color-navy);
  border-color: rgba(10,22,40,.45);
}

.btn--outline:hover {
  background: rgba(10,22,40,.05);
  border-color: var(--color-navy);
}

.section--dark .btn--outline {
  color: #fff;
  border-color: rgba(255,255,255,.5);
}

.section--dark .btn--outline:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
}

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

.btn--outline-navy:hover {
  background: var(--color-navy);
  color: #fff;
}

.btn--sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--fz-sm);
}

.btn--lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--fz-lg);
}

/* ──────────────────────────────────────────
   Breadcrumb
────────────────────────────────────────── */
.breadcrumb {
  margin-top: var(--header-h);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--fz-xs);
  color: var(--color-text-light);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb__item:not(:last-child)::after {
  content: '›';
  color: var(--color-border);
}

.breadcrumb__link {
  color: var(--color-navy-mid);
  transition: opacity var(--trans-base);
}

.breadcrumb__link:hover {
  opacity: .75;
}

.breadcrumb__current {
  color: var(--color-text-light);
}

/* ──────────────────────────────────────────
   Stats / Counter
────────────────────────────────────────── */
.stats {
  background: #fff;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-16);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  text-align: center;
}

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

.stats__number {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(var(--fz-3xl), 5vw, var(--fz-4xl));
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.stats__number-suffix {
  font-size: var(--fz-xl);
  font-weight: 700;
}

.stats__label {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--fz-sm);
  color: var(--color-text-light);
  font-weight: 400;
}

@media (min-width: 768px) {
  .stats__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
  }
}

/* ──────────────────────────────────────────
   Service Cards Grid
────────────────────────────────────────── */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.service-card {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  transition: transform var(--trans-base), box-shadow var(--trans-base),
              border-color var(--trans-base);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--trans-base);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232,184,75,.3);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  background: rgba(232,184,75,.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: var(--fz-2xl);
  transition: background var(--trans-base);
}

.service-card:hover .service-card__icon {
  background: rgba(232,184,75,.2);
}

.service-card__title {
  font-size: var(--fz-lg);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-3);
  line-height: 1.4;
}

.service-card__body {
  font-size: var(--fz-sm);
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.service-card__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--fz-xs);
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-light);
}

@media (min-width: 640px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ──────────────────────────────────────────
   FAQ Section
────────────────────────────────────────── */
.faq__list {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.faq__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg);
  transition: box-shadow var(--trans-base);
}

.faq__item:hover {
  box-shadow: var(--shadow-md);
}

.faq__item summary {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  font-weight: 700;
  font-size: var(--fz-md);
  color: var(--color-navy);
  user-select: none;
  list-style: none;
  transition: background var(--trans-base);
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::before {
  content: 'Q';
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  color: var(--color-navy);
  font-weight: 900;
  font-size: var(--fz-sm);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq__item summary:hover {
  background: var(--color-bg-light);
}

.faq__item summary .faq__arrow {
  margin-left: auto;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(45deg);
  transition: transform var(--trans-base);
}

.faq__item[open] summary .faq__arrow {
  transform: rotate(-135deg);
}

.faq__item[open] summary {
  border-bottom: 1px solid var(--color-border);
}

.faq__answer {
  padding: var(--space-5) var(--space-6) var(--space-5) calc(var(--space-6) + 32px + var(--space-4));
  font-size: var(--fz-sm);
  color: var(--color-text-light);
  line-height: 1.9;
}

.faq__answer::before {
  content: 'A';
  float: left;
  margin-left: calc(-32px - var(--space-4));
  width: 32px;
  height: 32px;
  background: var(--color-navy-mid);
  color: #fff;
  font-weight: 900;
  font-size: var(--fz-sm);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 32px;
  text-align: center;
}

/* ──────────────────────────────────────────
   Company Table (会社概要)
────────────────────────────────────────── */
.company-table {
  max-width: 800px;
  margin-inline: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.company-table tr:last-child th,
.company-table tr:last-child td {
  border-bottom: none;
}

.company-table th,
.company-table td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  font-size: var(--fz-sm);
  line-height: 1.8;
}

.company-table th {
  width: 30%;
  background: var(--color-bg-light);
  font-weight: 700;
  color: var(--color-navy);
  white-space: nowrap;
}

.company-table td {
  color: var(--color-text);
}

@media (max-width: 767px) {
  .company-table,
  .company-table tbody,
  .company-table tr,
  .company-table th,
  .company-table td {
    display: block;
  }

  .company-table th {
    width: 100%;
    border-bottom: none;
    padding-bottom: var(--space-2);
    background: var(--color-bg-light);
  }

  .company-table td {
    padding-top: var(--space-2);
  }
}

/* ──────────────────────────────────────────
   Footer NAPリスト (dl/dt/dd)
────────────────────────────────────────── */
.footer {
  background: var(--color-navy);
  color: rgba(255,255,255,.8);
  padding-top: var(--space-16);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
}

.footer__brand {}

.footer__logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
}

.footer__logo img {
  display: block;
  height: 52px;
  width: auto;
}

.footer__logo-en {
  font-size: var(--fz-xs);
  color: var(--color-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer__logo-ja {
  font-size: var(--fz-xl);
  font-weight: 700;
  color: #fff;
}

.footer__tagline {
  font-size: var(--fz-sm);
  color: rgba(255,255,255,.55);
  line-height: 1.8;
  max-width: 320px;
}

/* NAP */
.footer__nap {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__nap dt {
  font-size: var(--fz-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-top: var(--space-4);
}

.footer__nap dt:first-child {
  margin-top: 0;
}

.footer__nap dd {
  font-size: var(--fz-sm);
  color: rgba(255,255,255,.75);
  line-height: 1.7;
}

.footer__nap dd a {
  color: inherit;
  transition: color var(--trans-base);
}

.footer__nap dd a:hover {
  color: var(--color-accent);
}

/* Nav columns */
.footer__nav-title {
  font-size: var(--fz-sm);
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255,255,255,.12);
}

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

.footer__nav-link {
  font-size: var(--fz-sm);
  color: rgba(255,255,255,.65);
  transition: color var(--trans-base), padding-left var(--trans-base);
}

.footer__nav-link:hover {
  color: var(--color-accent);
  padding-left: var(--space-2);
}

/* Bottom bar */
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
}

.footer__copy {
  font-size: var(--fz-xs);
  color: rgba(255,255,255,.65);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-12);
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ──────────────────────────────────────────
   CTA Section
────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232,184,75,.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section .section-title__main {
  font-size: clamp(var(--fz-2xl), 4vw, var(--fz-4xl));
}

.cta-section__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  justify-content: center;
}

@media (min-width: 480px) {
  .cta-section__actions {
    flex-direction: row;
  }
}

/* ──────────────────────────────────────────
   Contact Form
────────────────────────────────────────── */
.contact-form {
  max-width: 700px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--fz-sm);
  font-weight: 700;
  color: var(--color-navy);
}

.form-label .required {
  display: inline-block;
  margin-left: var(--space-2);
  font-size: var(--fz-xs);
  color: #fff;
  background: #c0392b;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  vertical-align: middle;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fz-md);
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--trans-base), box-shadow var(--trans-base);
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232,184,75,.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #bbb;
}

.form-textarea {
  resize: vertical;
  min-height: 160px;
  line-height: 1.8;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23666' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

.form-checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--fz-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.form-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.form-note {
  font-size: var(--fz-xs);
  color: var(--color-text-light);
  line-height: 1.7;
}

.form-privacy {
  text-align: center;
  font-size: var(--fz-sm);
  color: var(--color-text-light);
}

.form-privacy a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-submit {
  text-align: center;
}

.form-submit .btn {
  min-width: 240px;
}

/* ──────────────────────────────────────────
   Floating CTA Bar (スマホ固定)
────────────────────────────────────────── */
.cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 800;
  background: #fff;
  border-top: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  display: flex;
  gap: var(--space-3);
  transform: translateY(0);
  transition: transform var(--trans-base);
}

.cta-bar.is-hidden {
  transform: translateY(100%);
}

.cta-bar__btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: var(--space-3);
  border-radius: 2px;
  font-size: var(--fz-xs);
  font-weight: 700;
  text-align: center;
  transition: background var(--trans-base), transform var(--trans-base);
}

.cta-bar__btn:active {
  transform: scale(.97);
}

.cta-bar__btn--tel {
  background: var(--color-navy);
  color: #fff;
}

.cta-bar__btn--tel:hover {
  background: var(--color-navy-mid);
}

.cta-bar__btn--contact {
  background: #fff;
  color: var(--color-navy);
  border: 1px solid var(--color-navy);
}

.cta-bar__btn--contact:hover {
  background: rgba(10,22,40,.05);
}

.cta-bar__icon {
  font-size: var(--fz-lg);
  line-height: 1;
}

.cta-bar__label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

/* PCでは非表示 */
@media (min-width: 768px) {
  .cta-bar {
    display: none;
  }
}

/* ──────────────────────────────────────────
   Scroll to top
────────────────────────────────────────── */
.scroll-top {
  position: fixed;
  bottom: calc(env(safe-area-inset-bottom) + 90px);
  right: var(--space-5);
  z-index: 700;
  width: 44px;
  height: 44px;
  background: var(--color-navy);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fz-lg);
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans-base), transform var(--trans-base);
  border: 1px solid rgba(255,255,255,.15);
}

.scroll-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.scroll-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .scroll-top {
    bottom: var(--space-8);
    right: var(--space-8);
  }
}

/* ──────────────────────────────────────────
   Utility
────────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.text-left   { text-align: left; }
.mt-0  { margin-top: 0; }
.mb-0  { margin-bottom: 0; }
.mt-4  { margin-top: var(--space-4); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-8  { margin-bottom: var(--space-8); }

/* Safe area対応 */
.site-header { padding-top: env(safe-area-inset-top, 0); }

.cta-bar {
  padding-bottom: calc(var(--space-3) + env(safe-area-inset-bottom, 0));
}

/* ──────────────────────────────────────────
   Animations
────────────────────────────────────────── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.fade-in-up:nth-child(1) { animation-delay: 0.05s; }
.fade-in-up:nth-child(2) { animation-delay: 0.15s; }
.fade-in-up:nth-child(3) { animation-delay: 0.25s; }
.fade-in-up:nth-child(4) { animation-delay: 0.35s; }
.fade-in-up:nth-child(5) { animation-delay: 0.45s; }
.fade-in-up:nth-child(6) { animation-delay: 0.55s; }

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

  html {
    scroll-behavior: auto;
  }
}

/* ──────────────────────────────────────────
   Hero Background (装飾用)
────────────────────────────────────────── */
.hero__bg {
  grid-column: 1;
  grid-row: 2;
  position: relative;
  overflow: hidden;
  min-height: 300px;
}

.hero__bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    min-height: min(88svh, 860px);
  }

  .hero__inner {
    grid-row: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
    padding-left: max(var(--space-5), calc((100vw - var(--container-w)) / 2));
    padding-right: var(--space-16);
  }

  .hero__bg {
    grid-column: 2;
    grid-row: 1;
    min-height: 100%;
  }

  .hero__scroll {
    display: flex;
    left: max(var(--space-5), calc((100vw - var(--container-w)) / 2));
  }
}

/* ──────────────────────────────────────────
   Page Header (内部ページ共通)
────────────────────────────────────────── */
.page-header {
  padding-block: var(--space-12) var(--space-10);
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  margin-top: var(--header-h);
}

.page-header__title {
  font-family: var(--font-serif);
  font-size: clamp(var(--fz-2xl), 4vw, var(--fz-4xl));
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-navy);
  line-height: 1.3;
  margin-bottom: var(--space-4);
}

.page-header__lead {
  font-size: var(--fz-md);
  color: var(--color-text-light);
  line-height: 1.9;
  max-width: 600px;
}

/* ──────────────────────────────────────────
   Contact Tel Section
────────────────────────────────────────── */
.contact-tel-section {
  padding-block: var(--space-12);
  background: var(--color-bg-light);
}

.contact-tel-box {
  max-width: 600px;
  margin-inline: auto;
  text-align: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  box-shadow: var(--shadow-sm);
}

.contact-tel-box__desc {
  font-size: var(--fz-md);
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
  line-height: 1.8;
}

.contact-tel-box__number {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: clamp(var(--fz-2xl), 5vw, var(--fz-4xl));
  font-weight: 900;
  color: var(--color-navy);
  letter-spacing: 0.03em;
  margin-bottom: var(--space-5);
  transition: color var(--trans-base);
}

.contact-tel-box__number:hover {
  color: var(--color-accent);
}

.contact-tel-box__icon {
  font-size: var(--fz-2xl);
}

.contact-tel-box__hours {
  font-size: var(--fz-sm);
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ──────────────────────────────────────────
   Form Optional Badge
────────────────────────────────────────── */
.form-label .optional {
  display: inline-block;
  margin-left: var(--space-2);
  font-size: var(--fz-xs);
  color: var(--color-text-light);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  vertical-align: middle;
}

/* ──────────────────────────────────────────
   Recruit Page
────────────────────────────────────────── */
.recruit-message {
  padding-block: var(--space-16);
}

.recruit-message-box {
  max-width: 800px;
  margin-inline: auto;
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  border-left: 4px solid var(--color-accent);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.recruit-message-box p {
  line-height: 2;
}

.recruit-message-box__sign {
  text-align: right;
  font-weight: 700;
  color: var(--color-navy);
  margin-top: var(--space-4);
}

.recruit-message-box__position {
  display: block;
  font-size: var(--fz-sm);
  color: var(--color-text-light);
  font-weight: 400;
  margin-bottom: var(--space-1);
}

.recruit-message-box__name {
  display: block;
  font-size: var(--fz-xl);
}

/* Recruit Jobs */
.recruit-jobs {
  padding-block: var(--space-16);
  background: var(--color-bg-light);
}

.recruit-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.recruit-table {
  max-width: 800px;
  margin-inline: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.recruit-table tr:last-child th,
.recruit-table tr:last-child td {
  border-bottom: none;
}

.recruit-table th,
.recruit-table td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  font-size: var(--fz-sm);
  line-height: 1.8;
}

.recruit-table th {
  width: 30%;
  background: var(--color-bg-light);
  font-weight: 700;
  color: var(--color-navy);
  white-space: nowrap;
}

.recruit-table td {
  color: var(--color-text);
}

@media (max-width: 767px) {
  .recruit-table,
  .recruit-table tbody,
  .recruit-table tr,
  .recruit-table th,
  .recruit-table td {
    display: block;
  }

  .recruit-table th {
    width: 100%;
    border-bottom: none;
    padding-bottom: var(--space-2);
  }

  .recruit-table td {
    padding-top: var(--space-2);
  }
}

/* Recruit Roles */
.recruit-roles {
  padding-block: var(--space-16);
}

.recruit-role-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .recruit-role-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.recruit-role-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  transition: box-shadow var(--trans-base), transform var(--trans-base);
}

.recruit-role-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.recruit-role-card__icon {
  font-size: var(--fz-4xl);
  margin-bottom: var(--space-4);
  line-height: 1;
}

.recruit-role-card__title {
  font-size: var(--fz-lg);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
}

.recruit-role-card__text {
  font-size: var(--fz-sm);
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: var(--space-5);
}

.recruit-role-card__merits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.recruit-role-card__merits li {
  font-size: var(--fz-sm);
  color: var(--color-text);
  padding-left: var(--space-5);
  position: relative;
}

.recruit-role-card__merits li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* Recruit CTA */
.recruit-cta {
  padding-block: var(--space-16);
  background: var(--color-navy);
  color: #fff;
  text-align: center;
}

.recruit-cta__title {
  font-size: clamp(var(--fz-2xl), 4vw, var(--fz-3xl));
  font-weight: 900;
  color: #fff;
  margin-bottom: var(--space-6);
}

.recruit-cta__text {
  font-size: var(--fz-md);
  color: rgba(255,255,255,.75);
  line-height: 1.9;
  margin-bottom: var(--space-8);
}

.recruit-cta__btns {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

@media (min-width: 480px) {
  .recruit-cta__btns {
    flex-direction: row;
  }
}

.recruit-cta__note {
  font-size: var(--fz-sm);
  color: rgba(255,255,255,.55);
}

/* ──────────────────────────────────────────
   FAQ Page (専用ページ)
────────────────────────────────────────── */
.faq-page {
  padding-block: var(--space-16);
}

.faq-category {
  margin-bottom: var(--space-12);
}

.faq-category:last-child {
  margin-bottom: 0;
}

.faq-category__title {
  font-size: var(--fz-xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-accent);
}

.faq-cta {
  text-align: center;
  padding-block: var(--space-12);
  margin-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.faq-cta__text {
  font-size: var(--fz-md);
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
  line-height: 1.8;
}

.faq-cta__btns {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  justify-content: center;
}

@media (min-width: 480px) {
  .faq-cta__btns {
    flex-direction: row;
  }
}

/* ──────────────────────────────────────────
   404 Error Page
────────────────────────────────────────── */
.error-page {
  padding-block: var(--space-24);
  min-height: calc(100dvh - var(--header-h));
  display: flex;
  align-items: center;
  margin-top: var(--header-h);
}

.error-page__inner {
  max-width: 600px;
  margin-inline: auto;
  text-align: center;
}

.error-page__code {
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-4);
}

.error-page__title {
  font-size: clamp(var(--fz-2xl), 4vw, var(--fz-3xl));
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-5);
}

.error-page__text {
  font-size: var(--fz-md);
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: var(--space-10);
}

.error-page__home-btn {
  margin-bottom: var(--space-12);
}

.error-page__links {
  text-align: left;
}

.error-page__links-title {
  font-size: var(--fz-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-light);
  margin-bottom: var(--space-5);
  text-align: center;
}

.error-page__links-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 480px) {
  .error-page__links-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.error-page__links-list a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-4);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fz-sm);
  font-weight: 700;
  color: var(--color-navy);
  text-align: center;
  transition: background var(--trans-base), border-color var(--trans-base), transform var(--trans-base);
}

.error-page__links-list a:hover {
  background: var(--color-bg);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.error-page__links-desc {
  display: block;
  font-size: var(--fz-xs);
  font-weight: 400;
  color: var(--color-text-light);
}

/* ──────────────────────────────────────────
   Index Greeting Section
────────────────────────────────────────── */
.greeting-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  max-width: 900px;
  margin-inline: auto;
  align-items: start;
}

@media (min-width: 768px) {
  .greeting-inner {
    grid-template-columns: 280px 1fr;
  }
}

.greeting-photo img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: auto;
  box-shadow: var(--shadow-md);
}

.greeting-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  line-height: 2;
}

.greeting-name {
  text-align: right;
  font-weight: 700;
  color: var(--color-navy);
  margin-top: var(--space-4);
}

.greeting-name__position {
  display: block;
  font-size: var(--fz-sm);
  font-weight: 400;
  color: var(--color-text-light);
  margin-bottom: var(--space-1);
}

.greeting-name__full {
  font-family: var(--font-serif);
  display: block;
  font-size: var(--fz-xl);
}

/* ──────────────────────────────────────────
   Index Access Section
────────────────────────────────────────── */
.access-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  max-width: 960px;
  margin-inline: auto;
}

@media (min-width: 768px) {
  .access-inner {
    grid-template-columns: 1fr 1fr;
  }
}

.access-map iframe {
  width: 100%;
  height: 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: block;
}

.access-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.access-address {
  font-style: normal;
}

.access-address dl {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.access-address__row {
  display: grid;
  grid-template-columns: 5em 1fr;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--fz-sm);
  line-height: 1.7;
}

.access-address__row:last-child {
  border-bottom: none;
}

.access-address__row dt {
  font-weight: 700;
  color: var(--color-navy);
}

.access-address__row dd {
  color: var(--color-text);
}

/* ──────────────────────────────────────────
   Index Services Groups
────────────────────────────────────────── */
.services__group {
  margin-bottom: var(--space-12);
}

.services__group:last-child {
  margin-bottom: 0;
}

.services__group-title {
  font-size: var(--fz-xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-accent);
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: var(--fz-sm);
  font-weight: 700;
  color: var(--color-accent);
  transition: color var(--trans-base), gap var(--trans-base);
}

.service-card__link::after {
  content: '→';
  transition: transform var(--trans-base);
}

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

/* ──────────────────────────────────────────
   FAQ More Link (index.html)
────────────────────────────────────────── */
.faq-more {
  text-align: center;
  margin-top: var(--space-8);
}

/* ──────────────────────────────────────────
   Works (IT事業部 実績)
────────────────────────────────────────── */
.works__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

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

.works-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg, 0 12px 32px rgba(10, 22, 40, 0.12));
}

.works-card__thumb {
  display: block;
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  object-position: top;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-light);
}

.works-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  flex: 1;
}

.works-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.works-card__tag {
  font-size: var(--fz-xs);
  font-weight: 700;
  color: var(--color-navy);
  background: rgba(232, 184, 75, 0.18);
  border-radius: var(--radius-full, 999px);
  padding: 2px 12px;
}

.works-card__title {
  font-size: var(--fz-lg);
  font-weight: 700;
  color: var(--color-navy);
}

.works-card__text {
  font-size: var(--fz-sm);
  color: var(--color-text-muted, #5a6b80);
  line-height: 1.8;
  flex: 1;
}

.works-card__link {
  font-size: var(--fz-sm);
  font-weight: 700;
  color: var(--color-navy);
  text-decoration: underline;
  text-underline-offset: 4px;
  word-break: break-all;
}

@media (min-width: 768px) {
  .works__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .works__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ──────────────────────────────────────────
   Lab (研究開発)
────────────────────────────────────────── */
.lab__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.lab-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-decoration: none;
  color: inherit;
  transition: transform var(--trans-base), box-shadow var(--trans-base),
              border-color var(--trans-base);
}

.lab-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg, 0 12px 32px rgba(10, 22, 40, 0.12));
  border-color: rgba(232,184,75,.3);
}

.lab-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.lab-card__tag {
  font-size: var(--fz-xs);
  font-weight: 700;
  color: var(--color-navy);
  background: rgba(232, 184, 75, 0.18);
  border-radius: var(--radius-full, 999px);
  padding: 2px 12px;
}

.lab-card__date {
  font-size: var(--fz-xs);
  color: var(--color-text-light);
}

.lab-card__title {
  font-family: var(--font-serif);
  font-size: var(--fz-xl);
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

.lab-card__text {
  font-size: var(--fz-sm);
  color: var(--color-text-light);
  line-height: 1.8;
  flex: 1;
  margin-bottom: var(--space-5);
}

.lab-card__more {
  align-self: flex-start;
  font-size: var(--fz-sm);
  font-weight: 700;
  color: var(--color-navy-mid);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.lab-card:hover .lab-card__more {
  opacity: .7;
}

.lab-note {
  text-align: center;
  color: var(--color-text-light);
  font-size: var(--fz-sm);
  margin-top: var(--space-10);
}

@media (min-width: 768px) {
  .lab__grid { grid-template-columns: repeat(2, 1fr); }
}

/* 記事本文 (Article) */
.lab-article__lead {
  font-size: var(--fz-lg);
  line-height: 2;
  font-weight: 500;
  color: var(--color-navy);
}

.lab-article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  font-size: var(--fz-sm);
  color: rgba(255,255,255,.65);
  margin-top: var(--space-4);
}

/* ──────────────────────────────────────────
   News Strip (トップページお知らせ)
────────────────────────────────────────── */
.news-strip {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-8);
}

.news-strip__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.news-strip__title {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: var(--fz-md);
  font-weight: 700;
  color: var(--color-navy);
  white-space: nowrap;
}

.news-strip__en {
  font-family: var(--font-serif);
  font-size: var(--fz-lg);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-navy);
}

.news-strip__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.news-strip__item {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--fz-sm);
}

.news-strip__item time {
  color: var(--color-text-light);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.news-strip__tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: var(--fz-xs);
  font-weight: 700;
  color: var(--color-navy);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}

.news-strip__link {
  color: var(--color-text);
  text-decoration: none;
}

.news-strip__link:hover {
  color: var(--color-navy-mid);
  text-decoration: underline;
}

.news-strip__text {
  color: var(--color-text);
}

@media (min-width: 768px) {
  .news-strip__inner {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-12);
  }
}

/* ──────────────────────────────────────────
   Business Panels (事業2本柱)
────────────────────────────────────────── */
.biz {
  padding-block: var(--space-16) 0;
  background: var(--color-bg);
}

.biz__panels {
  display: grid;
  grid-template-columns: 1fr;
}

.biz-panel {
  position: relative;
  display: block;
  min-height: 320px;
  overflow: hidden;
  text-decoration: none;
  background: var(--color-navy);
}

.biz-panel__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transition: transform 0.8s ease, opacity 0.8s ease;
}

.biz-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,.9) 0%, rgba(10,22,40,.35) 60%, rgba(10,22,40,.2) 100%);
  z-index: 1;
}

.biz-panel:hover .biz-panel__bg {
  transform: scale(1.06);
  opacity: 0.7;
}

.biz-panel__body {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 320px;
  padding: var(--space-8) var(--space-6);
  color: #fff;
}

.biz-panel__en {
  font-size: var(--fz-xs);
  font-weight: 500;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,.65);
  margin-bottom: var(--space-2);
}

.biz-panel__title {
  font-family: var(--font-serif);
  font-size: clamp(var(--fz-2xl), 4vw, var(--fz-3xl));
  font-weight: 600;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-3);
}

.biz-panel__desc {
  font-size: var(--fz-sm);
  line-height: 1.9;
  color: rgba(255,255,255,.85);
  max-width: 480px;
  margin-bottom: var(--space-5);
}

.biz-panel__more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fz-xs);
  font-weight: 700;
  letter-spacing: 0.25em;
  color: #fff;
}

.biz-panel__more::after {
  content: '';
  width: 40px;
  height: 1px;
  background: rgba(255,255,255,.7);
  transition: width 0.4s ease;
}

.biz-panel:hover .biz-panel__more::after {
  width: 72px;
}

@media (min-width: 768px) {
  .biz__panels {
    grid-template-columns: 1fr 1fr;
  }

  .biz-panel,
  .biz-panel__body {
    min-height: 440px;
  }

  .biz-panel__body {
    padding: var(--space-10);
  }
}

/* ──────────────────────────────────────────
   Works Preview (トップページ実績)
────────────────────────────────────────── */
.works-preview {
  background: var(--color-bg);
}

.works-preview__more {
  text-align: center;
  margin-top: var(--space-10);
}

/* ──────────────────────────────────────────
   Scroll Reveal (JS 有効時のみ)
────────────────────────────────────────── */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ──────────────────────────────────────────
   Hero 「志進」強調(縦位置揃え+傍点)
────────────────────────────────────────── */
.hero__copy-line {
  display: block;
  white-space: nowrap;
}

.hero__copy-line--indent {
  padding-left: 2.2em;
}

.hero__accent {
  font-style: normal;
  font-weight: 700;
}

/* ──────────────────────────────────────────
   採用職種カードの番号
────────────────────────────────────────── */
.recruit-role-card__num {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-family: var(--font-serif);
  font-size: var(--fz-3xl);
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
}

.recruit-role-card__num span {
  font-family: var(--font-base);
  font-size: var(--fz-xs);
  font-weight: 500;
  letter-spacing: 0.25em;
  color: #8a94a6;
}

/* ──────────────────────────────────────────
   メディア掲載・受賞
────────────────────────────────────────── */
.media-list {
  max-width: 800px;
  margin-inline: auto;
}

.media-list__item {
  display: flex;
  gap: var(--space-6);
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.media-list__item:first-child {
  border-top: 1px solid var(--color-border);
}

.media-list__year {
  font-family: var(--font-serif);
  font-size: var(--fz-xl);
  font-weight: 600;
  color: var(--color-navy);
  min-width: 64px;
}

.media-list__title {
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.media-list__link {
  font-size: var(--fz-sm);
  color: var(--color-navy-mid);
  text-decoration: underline;
}

.media-list__link:hover {
  opacity: .7;
}

.media-list__body {
  flex: 1;
}

/* ──────────────────────────────────────────
   その他の事業(トップ)
────────────────────────────────────────── */
.biz-others {
  padding-block: var(--space-12);
}

.biz-others__title {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: var(--fz-md);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-6);
}

.biz-others__en {
  font-family: var(--font-base);
  font-size: var(--fz-xs);
  font-weight: 500;
  letter-spacing: 0.25em;
  color: #8a94a6;
}

.biz-others__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.biz-other-card {
  border: 1px solid var(--color-border);
  border-radius: 2px;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: #fff;
}

.biz-other-card__en {
  font-size: var(--fz-xs);
  font-weight: 500;
  letter-spacing: 0.25em;
  color: #8a94a6;
}

.biz-other-card__title {
  font-family: var(--font-serif);
  font-size: var(--fz-xl);
  font-weight: 600;
  color: var(--color-navy);
}

.biz-other-card__desc {
  font-size: var(--fz-sm);
  color: var(--color-text-light);
  line-height: 1.9;
}

.biz-other-card__more {
  align-self: flex-start;
  margin-top: var(--space-2);
  font-size: var(--fz-sm);
  font-weight: 600;
  color: var(--color-navy-mid);
  text-decoration: underline;
}

.biz-other-card__more:hover {
  opacity: .7;
}

@media (min-width: 768px) {
  .biz-others__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.biz-other-card__logo {
  width: 88px;
  height: 88px;
  object-fit: contain;
  margin-bottom: var(--space-2);
}

/* ──────────────────────────────────────────
   採用: 歓迎リスト
────────────────────────────────────────── */
.welcome-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  max-width: 900px;
  margin-inline: auto;
}

.welcome-list {
  display: flex;
  flex-direction: column;
}

.welcome-list__item {
  position: relative;
  padding: var(--space-4) 0 var(--space-4) var(--space-8);
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
}

.welcome-list__item::before {
  content: '';
  position: absolute;
  left: var(--space-2);
  top: 50%;
  transform: translateY(-60%) rotate(45deg);
  width: 7px;
  height: 12px;
  border-right: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
}

.welcome-appeal__title {
  font-family: var(--font-serif);
  font-size: var(--fz-lg);
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

@media (min-width: 768px) {
  .welcome-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.welcome-appeal {
  display: flex;
  flex-direction: column;
}


/* =========================================================================
   スクロール駆動アニメーション (2026-07-27)
   CSSのScroll-driven Animations(animation-timeline)で実装。JSを増やさないため
   メインスレッドを止めず、Lighthouseスコアに影響しない。
   @supports と prefers-reduced-motion の二重ガードにより、
   非対応ブラウザ・動きを控える設定の利用者には従来どおりの静的表示になる。
   ========================================================================= */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {

    /* 1. ヒーロー: 背景写真がゆっくり寄り、コピーは上へ抜けながら退場 */
    .hero__bg img {
      animation: sdaHeroZoom linear both;
      animation-timeline: scroll(root block);
      animation-range: 0 90vh;
      will-change: transform;
    }
    @keyframes sdaHeroZoom { to { transform: scale(1.10); } }

    .hero__inner .hero__copy,
    .hero__inner .hero__lead,
    .hero__inner .hero__actions {
      animation: sdaHeroExit linear both;
      animation-timeline: scroll(root block);
      animation-range: 0 70vh;
    }
    @keyframes sdaHeroExit { to { opacity: .18; transform: translateY(-26px); } }

    /* 2. セクション見出し: 英字ラベル→見出し→説明の順に時間差で立ち上がる */
    .section-title__sub,
    .section-title__main,
    .section-title__body {
      animation: sdaRise linear both;
      animation-timeline: view();
    }
    .section-title__sub  { animation-range: entry 0% entry 28%; }
    .section-title__main { animation-range: entry 6% entry 34%; }
    .section-title__body { animation-range: entry 12% entry 40%; }
    @keyframes sdaRise {
      from { opacity: 0; transform: translate3d(-14px, 20px, 0); }
      to   { opacity: 1; transform: none; }
    }

    /* 3. カード類: 自分の位置に応じて「外側の斜め下」から差し込む。
       左列は左下から、右列は右下から、中央は真下から。時間差もつける。
       横方向に動くため、親に overflow-x: clip を当てて横スクロールバーを出さない。 */
    .services__grid,
    .biz__panels,
    .biz-others,
    .works-preview { overflow-x: clip; }

    .services__grid .service-card,
    .biz__panels .biz-panel,
    .biz-others .biz-other-card,
    .works-preview .works-preview__item {
      animation: sdaCardL linear both;          /* 既定=左下から */
      animation-timeline: view();
      animation-range: entry 0% entry 34%;
    }
    /* 3列グリッド: 中央は真下、右端は右下から */
    .services__grid .service-card:nth-child(3n+2),
    .works-preview .works-preview__item:nth-child(3n+2) {
      animation-name: sdaCardC; animation-range: entry 6% entry 40%;
    }
    .services__grid .service-card:nth-child(3n+3),
    .works-preview .works-preview__item:nth-child(3n+3) {
      animation-name: sdaCardR; animation-range: entry 12% entry 46%;
    }
    /* 2列レイアウト: 右側は右下から */
    .biz__panels .biz-panel:nth-child(2n),
    .biz-others .biz-other-card:nth-child(2n) {
      animation-name: sdaCardR; animation-range: entry 6% entry 40%;
    }

    @keyframes sdaCardL {
      from { opacity: 0; transform: translate3d(-38px, 30px, 0) rotate(-0.8deg); }
      to   { opacity: 1; transform: none; }
    }
    @keyframes sdaCardC {
      from { opacity: 0; transform: translate3d(0, 34px, 0); }
      to   { opacity: 1; transform: none; }
    }
    @keyframes sdaCardR {
      from { opacity: 0; transform: translate3d(38px, 30px, 0) rotate(0.8deg); }
      to   { opacity: 1; transform: none; }
    }

    /* 4. 代表挨拶の写真: 本文と違う速度で動かし奥行きを出す(控えめに) */
    .greeting-photo img {
      animation: sdaParallax linear both;
      animation-timeline: view();
      animation-range: cover 0% cover 100%;
    }
    @keyframes sdaParallax {
      from { transform: translateY(-14px) scale(1.04); }
      to   { transform: translateY(14px)  scale(1.04); }
    }

    /* 5. 見出し下の金のラインが左から伸びる */
    .section-title { position: relative; }
    .section-title::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: calc(var(--space-12) * -0.5);
      width: 64px;
      height: 1px;
      background: var(--color-gold, #c9a227);
      transform: translateX(-50%) scaleX(0);
      transform-origin: left center;
      animation: sdaLine linear both;
      animation-timeline: view();
      animation-range: entry 8% entry 40%;
    }
    @keyframes sdaLine { to { transform: translateX(-50%) scaleX(1); } }

    /* 6. 実績数値: カウントアップ中に数字幅が動いてガタつかないよう等幅で固定 */
    .stats__number { font-variant-numeric: tabular-nums; }
  }
}

/* 実績数値のカウントアップ対象(数字部分のみ。単位は .stats__number-suffix 側) */
.stats__num-val {
  font-variant-numeric: tabular-nums;
}