/* =========================================================
   大野総業株式会社 - style.css
   モバイルファースト / システムフォント / シンプル構成
========================================================= */

:root {
  --color-navy: #1c2c47;
  --color-navy-deep: #142036;
  --color-white: #ffffff;
  --color-offwhite: #f7f5f1;
  --color-gold: #a9895c;
  --color-gold-light: #cbae82;
  --color-text: #2b3340;
  --color-text-muted: #5c6470;
  --color-border: #e3ded4;

  --font-base: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", "Meiryo", "Segoe UI", Arial, sans-serif;

  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.8;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

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

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

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, p, table {
  margin: 0;
}

:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-navy);
  color: var(--color-white);
  padding: 0.75em 1.25em;
  z-index: 200;
}

.skip-link:focus {
  left: 0;
}

@media (min-width: 700px) {
  .u-sp-only {
    display: none;
  }
}

/* =========================================================
   ヘッダー
========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header__logo {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  white-space: nowrap;
}

.site-nav {
  display: none;
}

.site-nav__list {
  display: flex;
  gap: 1.75rem;
  align-items: center;
}

.site-nav__list a {
  font-size: 0.95rem;
  color: var(--color-navy);
  padding: 0.4em 0.1em;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.site-nav__list a:hover,
.site-nav__list a:focus-visible {
  border-color: var(--color-gold);
}

.header-tel {
  display: none;
  align-items: center;
  gap: 0.4em;
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 0.55em 1em;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  white-space: nowrap;
}

.nav-toggle {
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}

.nav-toggle__bar {
  width: 24px;
  height: 2px;
  background-color: var(--color-navy);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* モバイルメニュー */
@media (max-width: 899px) {
  .site-nav {
    display: block;
    position: fixed;
    inset: 0;
    top: 61px;
    background-color: var(--color-white);
    padding: 2rem 1.5rem;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .site-nav__list a {
    font-size: 1.1rem;
  }
}

@media (min-width: 900px) {
  .site-nav {
    display: block;
  }

  .nav-toggle {
    display: none;
  }

  .header-tel {
    display: inline-flex;
  }
}

/* =========================================================
   共通セクション
========================================================= */

.section {
  padding: 4.5rem 1.5rem;
}

.section--tinted {
  background-color: var(--color-offwhite);
}

.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__heading {
  font-size: 1.45rem;
  line-height: 1.5;
  color: var(--color-navy);
  font-weight: 700;
  position: relative;
  padding-bottom: 0.9rem;
  margin-bottom: 2rem;
}

.section__heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  background-color: var(--color-gold);
}

.section__lead {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

@media (min-width: 700px) {
  .section {
    padding: 6rem 2rem;
  }

  .section__heading {
    font-size: 2.1rem;
  }
}

/* =========================================================
   ファーストビュー
========================================================= */

.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background-color: var(--color-navy-deep);
}

.hero__media {
  position: absolute;
  inset: 0;
}

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

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(20, 32, 54, 0.15) 0%,
    rgba(20, 32, 54, 0.35) 45%,
    rgba(20, 32, 54, 0.88) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 2.5rem 1.5rem 3rem;
  text-align: center;
}

.hero__title {
  font-size: 1.7rem;
  line-height: 1.5;
  color: var(--color-white);
  font-weight: 700;
  margin-bottom: 1.1rem;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.25);
}

.hero__lead {
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 2rem;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.2);
}

@media (min-width: 700px) {
  .hero {
    min-height: 640px;
  }

  .hero__title {
    font-size: 2.4rem;
  }

  .hero__content {
    padding: 3rem 3rem 4rem;
    text-align: left;
    max-width: 640px;
    margin: 0;
  }
}

@media (min-width: 1100px) {
  .hero {
    min-height: 720px;
  }
}

/* =========================================================
   ボタン
========================================================= */

.btn {
  display: inline-block;
  padding: 0.95em 2.2em;
  border-radius: 4px;
  font-weight: 700;
  font-size: 1rem;
  min-height: 44px;
  line-height: 1.4;
}

.btn--primary {
  background-color: var(--color-navy);
  color: var(--color-white);
  border: 1px solid var(--color-navy);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-navy-deep);
}

.btn--gold {
  background-color: var(--color-gold);
  color: var(--color-navy-deep);
  border: 1px solid var(--color-gold);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.btn--gold:hover,
.btn--gold:focus-visible {
  background-color: var(--color-gold-light);
  border-color: var(--color-gold-light);
}

/* =========================================================
   私たちについて
========================================================= */

.about__body p {
  margin-bottom: 0.5rem;
  max-width: 68ch;
}

.about__body p:last-child {
  margin-bottom: 0;
}

/* =========================================================
   サービス
========================================================= */

.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 2rem 1.75rem;
}

.service-card__num {
  color: var(--color-gold);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.service-card__title {
  color: var(--color-navy);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.service-card__text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.service-card__link {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.3em 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-navy);
  border-bottom: 1px solid var(--color-gold);
}

@media (min-width: 700px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (min-width: 960px) {
  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* =========================================================
   お悩み
========================================================= */

.worry-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.worry-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--color-text);
}

.worry-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  background-color: var(--color-gold);
  border-radius: 50%;
}

@media (min-width: 700px) {
  .worry-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem 2rem;
  }
}

/* =========================================================
   ご依頼の流れ
========================================================= */

.flow-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.flow-step {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

.flow-step:last-child {
  border-bottom: none;
}

.flow-step__num {
  color: var(--color-gold);
  font-weight: 700;
  font-size: 0.95rem;
  min-width: 4.5em;
}

.flow-step__title {
  color: var(--color-navy);
  font-size: 1.05rem;
  font-weight: 700;
}

@media (min-width: 700px) {
  .flow-list {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .flow-step {
    flex: 1 1 18%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    border-bottom: none;
    border-left: 2px solid var(--color-gold);
    padding: 0 0 0 1rem;
  }
}

/* =========================================================
   お問い合わせ
========================================================= */

.section--contact {
  background-color: var(--color-navy);
  text-align: center;
}

.section--contact .section__heading {
  color: var(--color-white);
}

.section--contact .section__heading::after {
  left: 50%;
  transform: translateX(-50%);
}

.contact-box {
  margin-top: 1rem;
}

.contact-box__tel {
  display: inline-block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  border-bottom: 2px solid var(--color-gold);
  padding-bottom: 0.15em;
  margin-bottom: 1rem;
  word-break: break-word;
}

.contact-box__hours {
  color: var(--color-gold-light);
  font-size: 0.95rem;
}

/* placeholder（未入力）状態は電話リンクとして機能させない見た目にする */
.contact-box__tel[data-inactive="true"],
.js-phone-link[data-inactive="true"] {
  pointer-events: none;
}

@media (min-width: 700px) {
  .section--contact {
    text-align: left;
  }

  .section--contact .section__heading::after {
    left: 0;
    transform: none;
  }

  .contact-box__tel {
    font-size: 2.6rem;
  }
}

/* =========================================================
   会社概要
========================================================= */

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

.company-table th,
.company-table td {
  text-align: left;
  padding: 0.9rem 0.5rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
  vertical-align: top;
}

.company-table th {
  color: var(--color-navy);
  font-weight: 700;
  width: 7.5em;
  white-space: nowrap;
}

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

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

/* =========================================================
   フッター
========================================================= */

.site-footer {
  background-color: var(--color-navy-deep);
  color: var(--color-white);
  text-align: center;
  padding: 2.5rem 1.25rem;
}

.site-footer__name {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 1.25rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}

.site-footer__nav a {
  display: inline-block;
  padding: 0.3em 0;
}

.site-footer__link {
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.site-footer__link a {
  border-bottom: 1px solid var(--color-gold-light);
}

.site-footer__copy {
  font-size: 0.85rem;
  color: var(--color-gold-light);
}

/* =========================================================
   サービスページ（下層ページ）
========================================================= */

.hero--page {
  min-height: 440px;
}

.breadcrumb {
  max-width: calc(var(--max-width) + 3rem);
  margin: 0 auto;
  padding: 0.9rem 1.5rem 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
}

.breadcrumb li + li::before {
  content: "›";
  margin-right: 0.5rem;
  color: var(--color-gold);
}

.breadcrumb a {
  border-bottom: 1px solid var(--color-border);
}

.page-text p {
  max-width: 68ch;
}

.page-text p + p {
  margin-top: 0.75rem;
}

.page-text__link {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.3em 0;
  font-weight: 700;
  color: var(--color-navy);
  border-bottom: 1px solid var(--color-gold);
}

.section--cta {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.5rem 1.5rem;
}

.faq-item__q {
  color: var(--color-navy);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.faq-item__q::before {
  content: "Q. ";
  color: var(--color-gold);
}

.faq-item__a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

@media (min-width: 700px) {
  .hero--page {
    min-height: 520px;
  }

  .hero--page .hero__content {
    max-width: 720px;
  }

  .breadcrumb {
    max-width: calc(var(--max-width) + 4rem);
    padding: 1rem 2rem 0;
  }

  .section--cta {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }
}

/* =========================================================
   スマホ用固定ボタン
========================================================= */

.fixed-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom));
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.fixed-cta__btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3em;
  height: 48px;
  border-radius: 4px;
  font-weight: 700;
}

.fixed-cta__btn--tel {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.fixed-cta__btn--contact {
  background-color: var(--color-gold);
  color: var(--color-navy-deep);
}

@media (max-width: 899px) {
  body {
    padding-bottom: calc(64px + env(safe-area-inset-bottom));
  }
}

@media (min-width: 900px) {
  .fixed-cta {
    display: none;
  }
}

/* =========================================================
   スクロールフェード（軽量）
========================================================= */

.js-fade {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js-fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .js-fade {
    opacity: 1;
    transform: none;
    transition: none;
  }

  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}