/* ==========================================================================
   Components Styles (Mobile First)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Buttons & CTA
   -------------------------------------------------------------------------- */
.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: 700;
  border-radius: var(--radius-md);
  text-align: center;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

.c-btn--primary {
  background-color: var(--color-secondary);
  color: var(--color-text-white);
  box-shadow: var(--shadow-sm);
}

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

.c-btn--secondary {
  background-color: var(--color-primary);
  color: var(--color-text-white);
}

.c-btn--secondary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-text-white);
}

.c-btn--outline {
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background-color: transparent;
}

.c-btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text-white);
}

.c-btn--header {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
  background-color: var(--color-secondary);
  color: var(--color-text-white);
  border-radius: var(--radius-sm);
}

.c-btn--header:hover {
  background-color: var(--color-primary-light);
  color: var(--color-text-white);
}

.c-btn--footer {
  background-color: var(--color-secondary);
  color: var(--color-text-white);
  padding: 0.625rem 1.25rem;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.c-btn--footer:hover {
  background-color: var(--color-primary-light);
  color: var(--color-text-white);
}

.c-btn--lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}

.c-btn--sm {
  padding: 0.625rem 1.125rem;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.contact-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  max-width: 720px;
  margin: 0 auto;
}

.contact-card__eyebrow {
  display: inline-block;
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-secondary);
  text-transform: uppercase;
}

.contact-card__title {
  font-size: clamp(1.35rem, 1.1rem + 1vw, 1.8rem);
  margin-bottom: var(--space-sm);
}

.contact-card__lead {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.contact-card__actions {
  display: flex;
  justify-content: flex-start;
  margin-bottom: var(--space-xl);
}

.contact-card__note {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-lg);
}

.contact-card__note-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.contact-card__list {
  display: grid;
  gap: var(--space-sm);
}

.contact-card__item {
  position: relative;
  padding-left: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.contact-card__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background-color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   Page Header (Lower Pages)
   -------------------------------------------------------------------------- */
.page-header {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  text-align: center;
}

.page-header__title {
  font-size: var(--font-size-3xl);
  color: var(--color-text-white);
  margin-bottom: var(--space-xs);
}

.page-header__lead {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Section Titles
   -------------------------------------------------------------------------- */
.section-title {
  margin-bottom: var(--space-xl);
}

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

.section-title__en {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.section-title__ja {
  display: block;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* --------------------------------------------------------------------------
   1. ファーストビュー (Hero)
   -------------------------------------------------------------------------- */
.hero {
  background-color: var(--color-bg-light);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.hero__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.hero__catch {
  font-size: clamp(1.75rem, 1.45rem + 1.2vw, 2.25rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--color-primary-dark);
}

.hero__sub {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.hero__cta {
  margin-top: var(--space-sm);
}

.hero__image-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: var(--color-border);
}

.hero__image {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1535 / 941;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   2. OUR ROLE
   -------------------------------------------------------------------------- */
.role {
  text-align: center;
}

.role__headline {
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.role__text {
  font-size: var(--font-size-base);
  line-height: 1.9;
  color: var(--color-text-main);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   3. TICS STANDARD
   -------------------------------------------------------------------------- */
.standard__lead {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-main);
  text-align: center;
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

.standard__grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.standard__card {
  background-color: var(--color-bg-white);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--color-secondary);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.standard__card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.standard__card-title {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.standard__card-title::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--color-secondary);
  border-radius: 50%;
}

.standard__card-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  line-height: 1.8;
}

/* --------------------------------------------------------------------------
   4. 得意分野 (Specialties)
   -------------------------------------------------------------------------- */
.specialties__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.specialties__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.specialties__item:hover {
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.specialties__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-muted);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.specialties__name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-primary-dark);
}

/* --------------------------------------------------------------------------
   5. 静的化サービス紹介（手間いらずなWebサイトへの転換と運用）
   -------------------------------------------------------------------------- */
.service-feature {
  background-color: var(--color-bg-white);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.service-feature__eyebrow {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.service-feature__title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-md);
}

.service-feature__lead {
  font-size: var(--font-size-lg);
  font-weight: 600;
  line-height: 1.7;
  margin-bottom: var(--space-sm);
  color: var(--color-text-main);
}

.service-feature__text {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--color-text-muted);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.u-br {
  display: none;
}

/* --------------------------------------------------------------------------
   services.html (事業内容)
   -------------------------------------------------------------------------- */
.services-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.services-item {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.services-item:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
}

.services-item__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.services-item__num {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-secondary);
  font-family: monospace;
}

.services-item__title {
  font-size: var(--font-size-xl);
  color: var(--color-primary-dark);
}

.services-item__desc {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: var(--color-text-main);
}

/* --------------------------------------------------------------------------
   company.html (会社概要)
   -------------------------------------------------------------------------- */
.company-info {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.company-info__table {
  width: 100%;
  border-collapse: collapse;
}

.company-info__row {
  border-bottom: 1px solid var(--color-border);
}

.company-info__row:last-child {
  border-bottom: none;
}

.company-info__th {
  width: 100%;
  display: block;
  padding: var(--space-md) var(--space-lg) var(--space-xs);
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  background-color: var(--color-bg-light);
  text-align: left;
}

.company-info__td {
  width: 100%;
  display: block;
  padding: var(--space-xs) var(--space-lg) var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  line-height: 1.7;
}

.company-services {
  margin-top: var(--space-xs);
}

.company-services__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-left: var(--space-lg);
  list-style: disc;
}

.company-services__item {
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
}

.company-info__td--note {
  padding-top: var(--space-sm);
  padding-bottom: var(--space-md);
}

.company-info__note {
  margin: 0;
  font-size: var(--font-size-sm);
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   recruit.html (採用情報)
   -------------------------------------------------------------------------- */
.recruit-box {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.recruit-box__status {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.recruit-box__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.8;
}

.recruit-box__text .u-br {
  display: none;
}

/* --------------------------------------------------------------------------
   privacy.html (プライバシーポリシー)
   -------------------------------------------------------------------------- */
.privacy-content {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.privacy-content__header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.privacy-content__contact-info {
  margin-top: var(--space-md);
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: var(--color-text-muted);
}

.privacy-content__lead {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.privacy-content__section {
  margin-bottom: var(--space-xl);
}

.privacy-content__section:last-child {
  margin-bottom: 0;
}

.privacy-content__section-title {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.privacy-content__section-text {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: var(--color-text-main);
}

.privacy-content__section-list {
  margin-top: var(--space-xs);
  padding-left: var(--space-lg);
  list-style: lower-latin;
}

.privacy-content__section-list-item {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: var(--color-text-main);
}

/* --------------------------------------------------------------------------
   sitemap.html (サイトマップ)
   -------------------------------------------------------------------------- */
.sitemap-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.sitemap-item {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-md);
}

.sitemap-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sitemap-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  color: var(--color-primary-dark);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.sitemap-link:hover {
  color: var(--color-secondary);
  transform: translateX(4px);
}

.sitemap-link__icon {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   上に戻るボタン (Back to top)
   -------------------------------------------------------------------------- */
.backtotop {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  background-color: rgba(71, 85, 105, 0.75); /* ブルーグレー系・半透明 */
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal), background-color var(--transition-fast);
  z-index: 999;
  text-decoration: none;
}

.backtotop--visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.backtotop:hover {
  background-color: rgba(30, 41, 59, 0.95); /* ホバーで視認性向上 */
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.backtotop__icon {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-top: 2px solid #ffffff;
  border-left: 2px solid #ffffff;
  transform: rotate(45deg);
  margin-top: 3px;
}