@charset "UTF-8";
/* ============================================================
 *  style.css - 汎用コーポレートサイトテンプレート
 * ------------------------------------------------------------
 *  テーマカラー・フォントは下記 :root のCSS変数を書き換える
 *  だけでサイト全体に一括反映されます。
 * ============================================================ */

/* ------------------------------------------------------------
 * 1. テーマ設定（ここを書き換えて色・書体を変更）
 * ---------------------------------------------------------- */
:root {
  /* --- カラー --- */
  --color-main:        #182a33;  /* メイン：見出し・フッター・濃色ボタン */
  --color-accent:      #2e6f7e;  /* アクセント：リンク・hover・装飾線 */
  --color-accent-pale: #e7f0f2;  /* アクセントの淡色：バッジ・帯 */
  --color-bg:          #ffffff;  /* 基本背景 */
  --color-bg-sub:      #f5f7f7;  /* セクション交互背景 */
  --color-text:        #2b3237;  /* 基本テキスト */
  --color-text-sub:    #737d84;  /* 補足テキスト・日付 */
  --color-border:      #dfe4e6;  /* 罫線 */
  --color-white:       #ffffff;
  --color-error:       #c0392b;  /* フォームエラー */

  /* --- タイポグラフィ --- */
  --font-body:    "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-heading: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-en:      "Jost", "Helvetica Neue", Arial, sans-serif;

  /* --- レイアウト --- */
  --width-content: 1080px;   /* コンテンツ最大幅 */
  --width-narrow:  760px;    /* 記事・フォームなどの読み物幅 */
  --space-section: clamp(72px, 12vw, 140px); /* セクション上下余白 */
  --radius:        6px;

  --header-height: 76px;
  --transition: 0.3s ease;
}

/* ------------------------------------------------------------
 * 2. リセット・ベース
 * ---------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

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

a:hover {
  opacity: 0.75;
}

ul,
ol {
  list-style: none;
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ------------------------------------------------------------
 * 3. 共通レイアウト部品
 * ---------------------------------------------------------- */
.l-container {
  width: min(var(--width-content), 100% - 48px);
  margin-inline: auto;
}

.l-narrow {
  width: min(var(--width-narrow), 100% - 48px);
  margin-inline: auto;
}

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

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

/* --- セクション見出し（英ラベル＋日本語見出し） --- */
.c-heading {
  margin-bottom: clamp(40px, 6vw, 64px);
}

.c-heading__en {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.c-heading__en::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--color-accent);
}

.c-heading__ja {
  margin-top: 10px;
  font-family: var(--font-heading);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--color-main);
}

.c-heading--center {
  text-align: center;
}

.c-heading--center .c-heading__en {
  justify-content: center;
}

.c-heading--center .c-heading__en::before {
  display: none;
}

/* --- ボタン --- */
.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-width: 240px;
  padding: 16px 28px;
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--color-white);
  background: var(--color-main);
  border: 1px solid var(--color-main);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.c-btn::after {
  content: "→";
  font-family: var(--font-en);
  transition: transform var(--transition);
}

.c-btn:hover {
  opacity: 1;
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.c-btn:hover::after {
  transform: translateX(4px);
}

.c-btn--ghost {
  color: var(--color-main);
  background: transparent;
}

.c-btn--ghost:hover {
  color: var(--color-white);
}

/* ------------------------------------------------------------
 * 4. ヘッダー
 * ---------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: color-mix(in srgb, var(--color-bg) 90%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: min(1240px, 100% - 48px);
  margin-inline: auto;
}

.site-header__logo a {
  display: flex;
  flex-direction: column;
  color: var(--color-main);
  line-height: 1.3;
}

.site-header__logo-ja {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.site-header__logo-en {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-sub);
}

/* --- グローバルナビ --- */
.global-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.5vw, 36px);
}

.global-nav__link {
  position: relative;
  display: block;
  padding: 8px 0;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--color-main);
}

.global-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.global-nav__link:hover::after,
.global-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.global-nav__link--contact {
  padding: 10px 22px;
  color: var(--color-white);
  background: var(--color-main);
  border-radius: var(--radius);
}

.global-nav__link--contact::after {
  display: none;
}

.global-nav__link--contact:hover {
  opacity: 1;
  background: var(--color-accent);
}

/* --- ハンバーガー（SPのみ表示） --- */
.nav-toggle {
  display: none;
  z-index: 110;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  margin: 6px auto;
  background: var(--color-main);
  transition: transform var(--transition), opacity var(--transition);
}

/* ------------------------------------------------------------
 * 5. HOME
 * ---------------------------------------------------------- */
/* --- ヒーロー --- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: min(78vh, 720px);
  background:
    linear-gradient(105deg, var(--color-bg) 0%, var(--color-bg) 55%, var(--color-accent-pale) 100%);
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: min(var(--width-content), 100% - 48px);
  margin-inline: auto;
  padding-block: 80px;
}

.hero__catch {
  font-family: var(--font-heading);
  font-size: clamp(30px, 5.4vw, 56px);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.08em;
  color: var(--color-main);
}

.hero__lead {
  margin-top: 28px;
  max-width: 34em;
  font-size: clamp(14px, 1.6vw, 16px);
  color: var(--color-text-sub);
}

.hero__btn {
  margin-top: 44px;
}

/* 縦書きの英字装飾（このテンプレートのシグネチャ要素） */
.hero__vertical {
  position: absolute;
  top: 50%;
  right: clamp(12px, 4vw, 56px);
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--color-accent);
  opacity: 0.7;
}

.hero__vertical::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 72px;
  margin-top: 20px;
  background: var(--color-accent);
}

/* --- HOME：NEWS --- */
.news-list {
  border-top: 1px solid var(--color-border);
}

.news-list__item {
  border-bottom: 1px solid var(--color-border);
}

.news-list__link {
  display: flex;
  align-items: baseline;
  gap: 32px;
  padding: 24px 8px;
  color: var(--color-text);
  transition: background var(--transition);
}

.news-list__link:hover {
  opacity: 1;
  background: var(--color-bg-sub);
}

.news-list__date {
  flex-shrink: 0;
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--color-text-sub);
}

.news-list__title {
  font-size: 15px;
  line-height: 1.7;
}

.section-more {
  margin-top: 40px;
  text-align: right;
}

.section-more__link {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--color-main);
}

.section-more__link::after {
  content: " →";
}

/* --- HOME：ABOUT（会社紹介） --- */
.home-about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.home-about__text p + p {
  margin-top: 1.5em;
}

.home-about__image {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-accent-pale), var(--color-border));
  border-radius: var(--radius);
  overflow: hidden;
}

.home-about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-about__btn {
  margin-top: 36px;
}

/* --- HOME：SERVICE --- */
.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 40px);
}

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

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.07);
}

.service-card__image {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--color-accent-pale), var(--color-border));
}

.service-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-card__body {
  padding: 28px 26px 32px;
}

.service-card__label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.service-card__title {
  margin-top: 8px;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-main);
}

.service-card__text {
  margin-top: 12px;
  font-size: 14px;
  color: var(--color-text-sub);
}

/* --- HOME：RECRUIT バナー --- */
.recruit-banner {
  position: relative;
  padding: clamp(56px, 8vw, 96px) clamp(28px, 6vw, 80px);
  color: var(--color-white);
  background: var(--color-main);
  border-radius: var(--radius);
  overflow: hidden;
}

.recruit-banner::before {
  content: "RECRUIT";
  position: absolute;
  right: -0.1em;
  bottom: -0.32em;
  font-family: var(--font-en);
  font-size: clamp(80px, 14vw, 160px);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-white);
  opacity: 0.06;
  pointer-events: none;
}

.recruit-banner__title {
  font-family: var(--font-heading);
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.recruit-banner__text {
  margin-top: 16px;
  max-width: 36em;
  font-size: 15px;
  opacity: 0.85;
}

.recruit-banner__btn {
  margin-top: 32px;
  background: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-main);
}

.recruit-banner__btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* ------------------------------------------------------------
 * 6. CTA（お問い合わせ誘導・共通パーツ）
 * ---------------------------------------------------------- */
.cta {
  padding-block: clamp(64px, 10vw, 110px);
  text-align: center;
  background: var(--color-bg-sub);
  border-top: 1px solid var(--color-border);
}

.cta__tel {
  margin-top: 28px;
  font-family: var(--font-en);
  font-size: clamp(28px, 4vw, 36px);
  letter-spacing: 0.08em;
  color: var(--color-main);
}

.cta__tel a {
  color: inherit;
}

.cta__hours {
  font-size: 13px;
  color: var(--color-text-sub);
}

.cta__btn {
  margin-top: 28px;
}

/* ------------------------------------------------------------
 * 7. フッター
 * ---------------------------------------------------------- */
.site-footer {
  padding: clamp(48px, 7vw, 80px) 0 32px;
  color: var(--color-white);
  background: var(--color-main);
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.site-footer__name {
  font-family: var(--font-heading);
  font-size: 20px;
  letter-spacing: 0.08em;
}

.site-footer__address {
  margin-top: 16px;
  font-size: 13px;
  font-style: normal;
  line-height: 2;
  opacity: 0.75;
}

.site-footer__nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.site-footer__nav a {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--color-white);
}

.site-footer__copy {
  display: block;
  margin-top: 56px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-align: center;
  opacity: 0.5;
}

/* ------------------------------------------------------------
 * 8. 下層ページ共通
 * ---------------------------------------------------------- */
/* --- ページヘッダー --- */
.page-header {
  padding: clamp(64px, 9vw, 110px) 0 clamp(40px, 6vw, 64px);
  background: linear-gradient(105deg, var(--color-bg) 0%, var(--color-bg) 55%, var(--color-accent-pale) 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-header__en {
  font-family: var(--font-en);
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.2;
  color: var(--color-main);
}

.page-header__ja {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 8px;
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.page-header__ja::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--color-accent);
}

/* --- パンくず --- */
.breadcrumb {
  padding: 14px 0;
  font-size: 12px;
  color: var(--color-text-sub);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.breadcrumb li:not(:last-child)::after {
  content: "／";
  margin-left: 6px;
  opacity: 0.5;
}

.breadcrumb a {
  color: var(--color-text-sub);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- 定義テーブル（会社概要・募集要項） --- */
.c-table {
  width: 100%;
  border-top: 1px solid var(--color-border);
  border-collapse: collapse;
}

.c-table th,
.c-table td {
  padding: 20px 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
  text-align: left;
  vertical-align: top;
  line-height: 1.9;
}

.c-table th {
  width: 220px;
  font-weight: 500;
  color: var(--color-main);
  background: var(--color-bg-sub);
}

/* --- リード文 --- */
.c-lead {
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 2.2;
}

.c-lead + .c-lead {
  margin-top: 1.5em;
}

/* --- フロー（対応の流れ・選考の流れ） --- */
.flow-list {
  counter-reset: flow;
  display: grid;
  gap: 20px;
}

.flow-list__item {
  counter-increment: flow;
  position: relative;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 24px 28px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.flow-list__item::before {
  content: "0" counter(flow);
  flex-shrink: 0;
  font-family: var(--font-en);
  font-size: 26px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-accent);
}

.flow-list__item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 41px;
  bottom: -21px;
  width: 1px;
  height: 20px;
  background: var(--color-accent);
}

.flow-list__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-main);
}

.flow-list__text {
  margin-top: 4px;
  font-size: 14px;
  color: var(--color-text-sub);
}

/* ------------------------------------------------------------
 * 9. COMPANY
 * ---------------------------------------------------------- */
.company-message {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.company-message__image {
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, var(--color-accent-pale), var(--color-border));
  border-radius: var(--radius);
  overflow: hidden;
}

.company-message__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.company-message__text p + p {
  margin-top: 1.5em;
}

.company-message__sign {
  margin-top: 32px;
  text-align: right;
  font-size: 14px;
  color: var(--color-text-sub);
}

.company-message__sign strong {
  display: block;
  margin-top: 4px;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-main);
}

/* --- 沿革 --- */
.history-list {
  border-left: 1px solid var(--color-border);
}

.history-list__item {
  position: relative;
  display: flex;
  gap: 28px;
  padding: 0 0 32px 32px;
}

.history-list__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 10px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-accent);
}

.history-list__year {
  flex-shrink: 0;
  width: 90px;
  font-family: var(--font-en);
  font-size: 17px;
  letter-spacing: 0.08em;
  color: var(--color-main);
}

/* --- アクセス --- */
.company-map {
  margin-top: 24px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.company-map iframe {
  display: block;
  width: 100%;
  height: 420px;
  border: 0;
}

/* ------------------------------------------------------------
 * 10. SERVICE
 * ---------------------------------------------------------- */
.service-detail {
  display: grid;
  gap: clamp(56px, 9vw, 104px);
}

.service-detail__item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

/* 偶数番目は画像とテキストを左右反転 */
.service-detail__item:nth-child(even) .service-detail__image {
  order: 1;
}

.service-detail__image {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-accent-pale), var(--color-border));
  border-radius: var(--radius);
  overflow: hidden;
}

.service-detail__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-detail__label {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.service-detail__title {
  margin-top: 10px;
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  color: var(--color-main);
}

.service-detail__text {
  margin-top: 18px;
  font-size: 15px;
}

.service-detail__features {
  margin-top: 22px;
  display: grid;
  gap: 8px;
}

.service-detail__features li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
}

.service-detail__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 14px;
  height: 7px;
  border-left: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg);
}

/* ------------------------------------------------------------
 * 11. RECRUIT
 * ---------------------------------------------------------- */
.benefit-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

.benefit-card {
  padding: 36px 30px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
}

.benefit-card__icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--color-accent-pale);
  font-family: var(--font-en);
  font-size: 20px;
  color: var(--color-accent);
}

.benefit-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-main);
}

.benefit-card__text {
  margin-top: 12px;
  font-size: 14px;
  color: var(--color-text-sub);
  text-align: left;
}

.recruit-position {
  margin-top: 48px;
}

.recruit-position:first-of-type {
  margin-top: 0;
}

.recruit-position__title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-main);
}

.recruit-position__title::before {
  content: "";
  width: 6px;
  height: 26px;
  background: var(--color-accent);
}

/* ------------------------------------------------------------
 * 12. CTA（2パネル型）
 * ---------------------------------------------------------- */
.cta__lead {
  max-width: 40em;
  margin-inline: auto;
}

.cta__panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 820px;
  margin: 40px auto 0;
}

.cta__panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 36px 28px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.cta__panel-label {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.cta__panel .cta__tel {
  margin-top: 4px;
}

.cta__panel .c-btn {
  margin-top: 8px;
  width: 100%;
  min-width: 0;
}

/* ------------------------------------------------------------
 * 13. フッター（SNS）
 * ---------------------------------------------------------- */
.site-footer__sns {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.site-footer__sns a {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: var(--color-white);
  transition: background var(--transition), border-color var(--transition);
}

.site-footer__sns a:hover {
  opacity: 1;
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.site-footer__sns svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ------------------------------------------------------------
 * 15. CONTACT（メールフォーム）
 * ---------------------------------------------------------- */
/* --- ステップ表示 --- */
.form-steps {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: clamp(40px, 6vw, 56px);
  font-size: 13px;
  color: var(--color-text-sub);
}

.form-steps li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-white);
}

.form-steps li.is-current {
  color: var(--color-white);
  background: var(--color-main);
  border-color: var(--color-main);
}

.form-steps li:not(:last-child)::after {
  content: none;
}

/* --- エラーアラート --- */
.form-alert {
  margin-bottom: 32px;
  padding: 16px 20px;
  font-size: 14px;
  color: var(--color-error);
  background: #fdf3f2;
  border: 1px solid var(--color-error);
  border-radius: var(--radius);
}

.form-alert ul {
  display: grid;
  gap: 4px;
}

/* --- 入力フォーム --- */
.contact-form {
  display: grid;
  gap: 30px;
}

.form-field__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-weight: 500;
  color: var(--color-main);
}

.form-badge {
  padding: 2px 10px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: 3px;
  color: var(--color-white);
  background: var(--color-accent);
}

.form-badge--optional {
  color: var(--color-text-sub);
  background: var(--color-bg-sub);
  border: 1px solid var(--color-border);
}

.form-field__input,
.form-field__textarea {
  width: 100%;
  padding: 14px 16px;
  font: inherit;
  letter-spacing: inherit;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-field__input:focus,
.form-field__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-pale);
}

.form-field__textarea {
  min-height: 220px;
  resize: vertical;
}

.form-field--error .form-field__input,
.form-field--error .form-field__textarea {
  border-color: var(--color-error);
  background: #fdf3f2;
}

.form-field__error {
  margin-top: 6px;
  font-size: 13px;
  color: var(--color-error);
}

.form-field__note {
  margin-top: 6px;
  font-size: 12px;
  color: var(--color-text-sub);
}

/* --- プライバシーポリシー同意 --- */
.form-privacy {
  text-align: center;
}

.form-privacy__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  cursor: pointer;
}

.form-privacy__label input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
}

.form-privacy a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- 確認画面 --- */
.confirm-table td {
  overflow-wrap: anywhere;
}

/* --- ボタン行 --- */
.form-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 44px;
}

.form-buttons .c-btn[disabled] {
  opacity: 0.5;
  pointer-events: none;
}

.c-btn--back {
  color: var(--color-text-sub);
  background: transparent;
  border-color: var(--color-border);
}

.c-btn--back::after {
  content: none;
}

.c-btn--back::before {
  content: "←";
  font-family: var(--font-en);
}

.c-btn--back:hover {
  color: var(--color-white);
  background: var(--color-text-sub);
  border-color: var(--color-text-sub);
}

.recaptcha-note {
  margin-top: 28px;
  font-size: 11px;
  line-height: 1.8;
  text-align: center;
  color: var(--color-text-sub);
}

/* --- 完了画面 --- */
.thanks-box {
  text-align: center;
}

.thanks-box__icon {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin: 0 auto 28px;
  border-radius: 50%;
  background: var(--color-accent-pale);
}

.thanks-box__icon::before {
  content: "";
  width: 26px;
  height: 14px;
  margin-top: -6px;
  border-left: 3px solid var(--color-accent);
  border-bottom: 3px solid var(--color-accent);
  transform: rotate(-45deg);
}

.thanks-box__title {
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  color: var(--color-main);
}

.thanks-box__text {
  margin-top: 20px;
  font-size: 15px;
}

.thanks-box__btn {
  margin-top: 40px;
}

/* ------------------------------------------------------------
 * 14. レスポンシブ（〜900px）
 * ---------------------------------------------------------- */
@media (max-width: 900px) {
  .nav-toggle {
    display: block;
    position: relative;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(8px) 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(-8px) rotate(-45deg);
  }

  .global-nav {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: var(--color-bg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
  }

  .global-nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .global-nav__list {
    flex-direction: column;
    gap: 28px;
    text-align: center;
  }

  .global-nav__link {
    font-size: 18px;
  }

  .home-about,
  .service-cards {
    grid-template-columns: 1fr;
  }

  .home-about__image {
    order: -1;
  }

  .news-list__link {
    flex-direction: column;
    gap: 4px;
  }

  .hero__vertical {
    display: none;
  }

  .site-footer__inner {
    flex-direction: column;
  }

  /* --- 下層ページ --- */
  .c-table th,
  .c-table td {
    display: block;
    width: 100%;
  }

  .c-table th {
    padding-bottom: 8px;
  }

  .c-table td {
    padding-top: 8px;
  }

  .company-message,
  .service-detail__item,
  .benefit-cards,
  .cta__panels {
    grid-template-columns: 1fr;
  }

  .company-message__image {
    max-width: 320px;
    margin-inline: auto;
  }

  .service-detail__item:nth-child(even) .service-detail__image {
    order: 0;
  }

  .history-list__item {
    flex-direction: column;
    gap: 4px;
  }
}