@charset "utf-8";

/*
 * ATNET CO.,LTD — Website Refinement
 * 設計思想: シンプル・静か・信頼感・日本企業らしさ
 * 変更点: テキスト/画像/構成/カラーは完全維持。余白・タイポグラフィ・UIのみ改善。
 */

/* ============================================================
   DESIGN TOKENS
============================================================ */
:root {
  /* Colors — 現行サイトcssから完全抽出 */
  --clr-primary:   #1b69aa;
  --clr-primary-2: #78b0dd;
  --clr-primary-3: #d2e1ed;
  --clr-text:      #202020;
  --clr-text-mid:  #545454;
  --clr-text-sub:  #888888;
  --clr-bg:        #ffffff;
  --clr-bg-sub:    #f7f9fc;
  --clr-border:    #e8eef4;
  --clr-overlay:   rgba(27, 105, 170, 0.72);

  /* Typography */
  --font-en: 'Montserrat', sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;

  /* Spacing scale */
  --sp-xs:  0.5rem;
  --sp-sm:  1rem;
  --sp-md:  2rem;
  --sp-lg:  4rem;
  --sp-xl:  7rem;
  --sp-2xl: 10rem;

  /* Layout */
  --max-w: 1080px;
  --header-h: 72px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 0.25s;
}

/* ============================================================
   RESET & BASE
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-jp);
  font-weight: 400;
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.85;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: opacity var(--dur) var(--ease); }
a:hover { opacity: 0.65; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }

.container {
  width: 90%;
  max-width: var(--max-w);
  margin-left: auto;   /* fallback for margin-inline */
  margin-right: auto;  /* fallback for margin-inline */
  margin-inline: auto;
}

/* ============================================================
   HEADER
============================================================ */
.site-header {
  position: fixed;
  /* 物理プロパティを先に明示（iOS Safari 14.0以前・論理プロパティ非対応環境の fallback） */
  top: 0;
  left: 0;
  right: 0;
  /* 論理プロパティ（iOS Safari 14.1+ で上書き、動作は同じ） */
  inset-block-start: 0;
  inset-inline: 0;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--clr-border);
  z-index: 200;
  display: flex;
  align-items: center;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.site-logo img { height: 36px; }

/* Primary nav */
.gnav { display: flex; align-items: center; }

.gnav__list {
  display: flex;
  gap: 0;
  align-items: stretch;
}

.gnav__item { position: relative; }

.gnav__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 1.5rem;
  height: var(--header-h);
  gap: 3px;
  color: var(--clr-text);
  font-weight: 700;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.gnav__link:hover,
.gnav__item.is-current .gnav__link { color: var(--clr-primary); opacity: 1; }

.gnav__en {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1;
}

.gnav__jp {
  font-size: 0.6rem;
  color: var(--clr-text-sub);
  letter-spacing: 0.08em;
  line-height: 1;
  transition: color var(--dur) var(--ease);
}

.gnav__item:hover .gnav__jp,
.gnav__item.is-current .gnav__jp { color: var(--clr-primary-2); }

/* Dropdown — 最終調整版（上品・控えめ未来感） */
.gnav__sub {
  position: absolute;
  top: calc(var(--header-h) - 1px);
  left: 0;
  min-width: 180px;
  background: #fff;
  border: 1px solid var(--clr-border);
  border-top: 2px solid var(--clr-primary);
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  z-index: 100;
  transform-origin: top center;
  /* GPU合成を強制（Safari文字にじみ・チラつき防止） */
  will-change: transform, opacity;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  /* 閉じ状態 */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px) scale(0.988);
  -webkit-filter: blur(2px);
  filter: blur(2px);
  transition:
    opacity          0.2s ease-in,
    transform        0.2s ease-in,
    -webkit-filter   0.2s ease-in,
    filter           0.2s ease-in,
    visibility       0s   linear 0.2s;
}

/* 開き状態 */
.gnav__item:hover .gnav__sub,
.gnav__item:focus-within .gnav__sub {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  -webkit-filter: blur(0);
  filter: blur(0);
  transition:
    opacity          0.36s cubic-bezier(0.16, 1, 0.3, 1),
    transform        0.36s cubic-bezier(0.16, 1, 0.3, 1),
    -webkit-filter   0.3s  cubic-bezier(0.16, 1, 0.3, 1),
    filter           0.3s  cubic-bezier(0.16, 1, 0.3, 1),
    visibility       0s    linear 0s;
}

.gnav__sub a {
  display: block;
  padding: 0.8rem 1.2rem;
  font-size: 0.85rem;
  color: var(--clr-text-mid);
  border-bottom: 1px solid var(--clr-border);
  /* 項目個別のフェードイン基底 */
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity    0.22s ease-out,
    transform  0.22s ease-out,
    background var(--dur) var(--ease),
    color      var(--dur) var(--ease);
}

/* 項目ごとのstagger（上品優先・40ms間隔） */
.gnav__item:hover .gnav__sub a,
.gnav__item:focus-within .gnav__sub a {
  opacity: 1;
  transform: translateY(0);
}
.gnav__item:hover .gnav__sub a:nth-child(1),
.gnav__item:focus-within .gnav__sub a:nth-child(1) { transition-delay: 0.05s, 0.05s, 0s, 0s; }
.gnav__item:hover .gnav__sub a:nth-child(2),
.gnav__item:focus-within .gnav__sub a:nth-child(2) { transition-delay: 0.09s, 0.09s, 0s, 0s; }
.gnav__item:hover .gnav__sub a:nth-child(3),
.gnav__item:focus-within .gnav__sub a:nth-child(3) { transition-delay: 0.13s, 0.13s, 0s, 0s; }
.gnav__item:hover .gnav__sub a:nth-child(4),
.gnav__item:focus-within .gnav__sub a:nth-child(4) { transition-delay: 0.17s, 0.17s, 0s, 0s; }

.gnav__sub a:last-child { border-bottom: none; }
.gnav__sub a:hover { background: var(--clr-bg-sub); color: var(--clr-primary); }

/* Mobile menu button */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  transition: all var(--dur) var(--ease);
}

/* ============================================================
   HERO — TOP PAGE
============================================================ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: grid;
  place-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(255,255,255,0.1) 0%,
    rgba(255,255,255,0.55) 100%
  );
}

.hero__inner {
  position: relative;
  text-align: center;
  padding: var(--sp-lg) var(--sp-xl);
}

.hero__copy {
  font-family: var(--font-en);
  font-size: clamp(1.8rem, 5vw + 0.5rem, 4.5rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--clr-primary);
  line-height: 1.1;
  text-shadow: 0 2px 20px rgba(255,255,255,0.6);
}

.hero__sub {
  margin-top: var(--sp-sm);
  font-size: 0.9rem;
  color: var(--clr-text-mid);
  letter-spacing: 0.12em;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--clr-primary);
  opacity: 0.7;
}

.hero__scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 48px;
  background: var(--clr-primary);
  animation: scroll-line 1.6s ease-in-out infinite;
}

@keyframes scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   SECTION COMMON
============================================================ */
.section { padding: var(--sp-xl) 0; }
.section--alt { background: var(--clr-bg-sub); }

.section__header {
  margin-bottom: var(--sp-lg);
  text-align: center;
}

.section__en {
  font-family: var(--font-en);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--clr-primary);
  line-height: 1;
}

.section__jp {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--clr-text-sub);
}

.section__rule {
  display: block;
  width: 40px;
  height: 2px;
  background: var(--clr-primary-2);
  margin: 1.2rem auto 0;
}

/* ============================================================
   SERVICE CARDS — TOP PAGE
============================================================ */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.service-card {
  background: var(--clr-bg);
  padding: 3.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  border: 1px solid var(--clr-border);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.service-card:hover {
  border-color: var(--clr-primary-2);
  box-shadow: 0 8px 32px rgba(27, 105, 170, 0.08);
}

.service-card__icon {
  height: 60px;
  width: auto;
  object-fit: contain;
  object-position: left center;
}

.service-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-primary);
  line-height: 1.4;
}

.service-card__text {
  font-size: 0.9rem;
  color: var(--clr-text-mid);
  line-height: 1.9;
  flex: 1;
}

.service-card__more {
  align-self: flex-start;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--clr-primary);
  border-bottom: 1px solid var(--clr-primary-2);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease);
}

.service-card__more:hover { border-color: var(--clr-primary); }

/* ============================================================
   NEWS — TOP PAGE
============================================================ */
.news-list { max-width: 760px; margin-left: auto; margin-right: auto; margin-inline: auto; }

.news-list__item {
  display: flex;
  align-items: baseline;
  gap: 2rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--clr-border);
}

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

.news-list__date {
  font-family: var(--font-en);
  font-size: 0.8rem;
  color: var(--clr-text-sub);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  width: 100px;
}

.news-list__link {
  font-size: 0.9rem;
  color: var(--clr-text);
  line-height: 1.6;
}

.news-list__link:hover { color: var(--clr-primary); opacity: 1; }

/* ============================================================
   PAGE HEADER — LOWER PAGES
============================================================ */
.page-header {
  position: relative;
  height: 320px;
  background-size: cover;
  background-position: center;
  display: grid;
  place-items: center;
  /* margin-top は廃止 → .lower-body の padding-top で吸収 */
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--clr-overlay);
}

.page-header__inner {
  position: relative;
  text-align: center;
  color: #fff;
}

.page-header__en {
  font-family: var(--font-en);
  font-size: clamp(1.8rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1;
}

.page-header__jp {
  display: block;
  margin-top: 0.8rem;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  opacity: 0.85;
}

/* Breadcrumb */
.breadcrumb {
  padding: 1rem 0;
  border-bottom: 1px solid var(--clr-border);
  background: var(--clr-bg-sub);
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.78rem;
  color: var(--clr-text-sub);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: '/';
  opacity: 0.4;
}

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

/* ============================================================
   SUB-NAV (Company / Service tabs)
============================================================ */
.sub-nav {
  background: var(--clr-bg);
  border-bottom: 1px solid var(--clr-border);
  position: sticky;
  top: var(--header-h);
  z-index: 100;
}

.sub-nav__list {
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.sub-nav__item a {
  display: block;
  padding: 1.1rem 1.6rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-text-mid);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.sub-nav__item a:hover { color: var(--clr-primary); opacity: 1; }
.sub-nav__item.is-active a { color: var(--clr-primary); border-bottom-color: var(--clr-primary); }

/* ============================================================
   CONTENT AREA
============================================================ */
.content-wrap { padding: var(--sp-xl) 0; }

/* Section divider with heading */
.content-section { margin-bottom: var(--sp-xl); }
.content-section:last-child { margin-bottom: 0; }

.content-heading {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-primary);
  line-height: 1.3;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--clr-primary-3);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.content-heading::before {
  content: '';
  display: block;
  width: 4px;
  height: 1.4em;
  background: var(--clr-primary);
  flex-shrink: 0;
  border-radius: 2px;
}

.content-text {
  font-size: 0.95rem;
  color: var(--clr-text-mid);
  line-height: 2;
  margin-bottom: 1.5rem;
}

.content-text:last-child { margin-bottom: 0; }

/* ============================================================
   DEFINITION TABLE (Company Profile)
============================================================ */
.profile-table {
  border-top: 2px solid var(--clr-primary);
}

.profile-table__row {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid var(--clr-border);
}

.profile-table__term {
  padding: 1.5rem 1.5rem;
  background: var(--clr-bg-sub);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-primary);
  display: flex;
  align-items: flex-start;
}

.profile-table__desc {
  padding: 1.5rem 2rem;
  font-size: 0.9rem;
  color: var(--clr-text-mid);
  line-height: 1.9;
}

.profile-table__desc--history {
  line-height: 2.4;
}

/* ============================================================
   MESSAGE PAGE
============================================================ */
.message-block {
  max-width: 760px;
}

.message-body p {
  font-size: 0.95rem;
  color: var(--clr-text-mid);
  line-height: 2.1;
  margin-bottom: 1.6rem;
}

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

.message-sign {
  display: flex;
  justify-content: flex-end;
  margin-top: 3rem;
}

.message-sign img {
  max-width: 190px;
  opacity: 0.75;
  border-radius: 2px;
  display: block;
}

.message-sign figcaption {
  font-size: 0.75rem;
  color: var(--clr-text-sub);
  line-height: 1.8;
  letter-spacing: 0.06em;
}

.message-logo-block {
  margin-top: var(--sp-xl);
  padding-top: var(--sp-xl);
  border-top: 1px solid var(--clr-border);
}

.message-logo-block p {
  font-size: 0.92rem;
  color: var(--clr-text-mid);
  line-height: 2;
  margin-top: 1rem;
}

/* ============================================================
   ACCESS PAGE
============================================================ */
.access-info {
  font-size: 0.95rem;
  color: var(--clr-text-mid);
  line-height: 2;
  margin-bottom: 2rem;
}

.map-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 50%;
  background: var(--clr-bg-sub);
  border: 1px solid var(--clr-border);
}

/* ============================================================
   SERVICE DETAIL
============================================================ */
.service-hero-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  object-position: center;
}

.service-sub-section {
  padding: var(--sp-lg) 0;
  border-bottom: 1px solid var(--clr-border);
}

.service-sub-section:last-of-type { border-bottom: none; }

.service-sub-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 1.8rem;
  line-height: 1.4;
}

/* ============================================================
   RECRUIT TABLE
============================================================ */
.recruit-table {
  border-top: 2px solid var(--clr-primary);
}

.recruit-table tr {
  display: grid;
  grid-template-columns: 180px 1fr;
  border-bottom: 1px solid var(--clr-border);
}

.recruit-table th {
  padding: 1.4rem 1.5rem;
  background: var(--clr-bg-sub);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-primary);
  text-align: left;
  display: flex;
  align-items: flex-start;
}

.recruit-table td {
  padding: 1.4rem 2rem;
  font-size: 0.9rem;
  color: var(--clr-text-mid);
  line-height: 1.9;
}

/* ============================================================
   CONTACT / FORM
============================================================ */
.contact-intro {
  text-align: center;
  margin-bottom: var(--sp-lg);
}

.contact-intro p {
  font-size: 0.95rem;
  color: var(--clr-text-mid);
  line-height: 2;
}

.contact-form { max-width: 680px; margin-left: auto; margin-right: auto; margin-inline: auto; }

.form-group {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-text);
}

.form-label .req {
  display: inline-block;
  margin-left: 0.5rem;
  font-size: 0.72rem;
  background: var(--clr-primary);
  color: #fff;
  padding: 0.1em 0.5em;
  border-radius: 2px;
  vertical-align: middle;
  font-weight: 700;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.9rem 1.1rem;
  font-family: var(--font-jp);
  font-size: 0.95rem;
  color: var(--clr-text);
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 4px;
  outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(27, 105, 170, 0.12);
}

.form-textarea { resize: vertical; min-height: 200px; }

.form-input--short { max-width: 200px; }

/* honeypot — 人間には不可視、スクリーンリーダーにも非表示 */
.form-honeypot {
  display: none;
  visibility: hidden;
  position: absolute;
  left: -9999px;
}

.form-submit {
  text-align: center;
  margin-top: var(--sp-lg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1rem 3.5rem;
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  border: 2px solid var(--clr-primary);
  border-radius: 3px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.btn--primary:hover { background: #145490; border-color: #145490; opacity: 1; }

.btn--ghost {
  background: var(--clr-bg);
  color: var(--clr-text-mid);
  border-color: var(--clr-border);
  margin-right: 1rem;
}

.btn--ghost:hover { background: var(--clr-bg-sub); opacity: 1; }

/* confirm.php 確認テーブル */
.confirm-table { margin-bottom: 3rem; }

/* ============================================================
   THANKS PAGE
============================================================ */
.thanks-section {
  min-height: calc(100svh - var(--header-h));
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--sp-xl) var(--sp-md);
}

.thanks-section__icon {
  font-size: 3.5rem;
  color: var(--clr-primary);
  margin-bottom: var(--sp-md);
  line-height: 1;
}

.thanks-section__title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 1.5rem;
}

.thanks-section__text {
  font-size: 0.95rem;
  color: var(--clr-text-mid);
  line-height: 2;
  margin-bottom: var(--sp-lg);
}

/* ============================================================
   FOOTER
============================================================ */
.site-footer {
  background: var(--clr-bg-sub);
  border-top: 1px solid var(--clr-border);
}

.footer-nav {
  padding: var(--sp-lg) 0;
  border-bottom: 1px solid var(--clr-border);
}

.footer-nav__list {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer-nav__item a {
  display: block;
  padding: 0.5rem 1.2rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--clr-text-mid);
  letter-spacing: 0.05em;
  transition: color var(--dur) var(--ease);
}

.footer-nav__item a:hover { color: var(--clr-primary); opacity: 1; }

.footer-copy {
  padding: 2rem 0;
  text-align: center;
}

.footer-copy__text {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--clr-text-sub);
  letter-spacing: 0.08em;
  line-height: 1.8;
}

.footer-copy__text a { color: inherit; }

/* ============================================================
   UTILITIES
============================================================ */
/* fixed header ぶんのオフセット — margin-top 方式だと margin collapse で相殺されるため
   padding-top を使用する。これにより body の先頭が常にヘッダー下端に揃う。 */
.lower-body { padding-top: var(--header-h); }

/* ============================================================
   RESPONSIVE — TABLET
============================================================ */
@media screen and (max-width: 960px) {
  :root { --sp-xl: 5rem; }

  .service-grid { grid-template-columns: 1fr 1fr; }

  .profile-table__row { grid-template-columns: 160px 1fr; }
  .recruit-table tr { grid-template-columns: 140px 1fr; }

  /* message-block: single column on tablet - no grid overrides needed */
}

/* ============================================================
   MOBILE MENU ANIMATION KEYFRAMES
============================================================ */
@keyframes gnav-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes gnav-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-8px); }
}

/* ============================================================
   RESPONSIVE — MOBILE
============================================================ */
@media screen and (max-width: 640px) {
  :root {
    --sp-xl: 4rem;
    --sp-lg: 2.5rem;
  }

  /* Mobile nav */
  .menu-toggle { display: flex; }

  /* backdrop-filter は position:fixed 子の containing block を親に変えてしまうため
     モバイルでは無効化し、代わりに不透明な背景で補う */
  .site-header {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: rgba(255, 255, 255, 0.99);
  }

  .gnav {
    display: none;
    position: fixed;
    /* 物理プロパティ fallback（iOS Safari 14.0以前・inset 非対応環境） */
    top: 72px;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    /* CSS inset shorthand（iOS Safari 14.1+） */
    inset: var(--header-h) 0 0 0;
    z-index: 9999;
    background: rgba(255,255,255,0.98);
    flex-direction: column;
    align-items: stretch;
    padding: 2rem 5%;
    gap: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .gnav.is-open {
    display: flex;
    animation: gnav-in 0.25s var(--ease) both;
  }

  .gnav.is-closing {
    display: flex;
    animation: gnav-out 0.2s var(--ease) both;
  }

  body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
  }

  .gnav__list { flex-direction: column; gap: 0; }

  .gnav__link {
    flex-direction: row;
    gap: 1rem;
    height: auto;
    padding: 1.2rem 0;
    justify-content: flex-start;
    border-bottom: 1px solid var(--clr-border);
  }

  .gnav__en { font-size: 0.9rem; }
  .gnav__jp { font-size: 0.7rem; }

  .gnav__sub {
    position: static;
    border: none;
    border-top: 1px solid var(--clr-border);
    box-shadow: none;
    padding-left: 1rem;
    /* モバイルではアニメーションをリセットして常時表示 */
    display: block;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    filter: none;
    transition: none;
  }

  .gnav__sub a {
    font-size: 0.85rem;
    opacity: 1;
    transform: none;
    transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
  }

  /* Hero */
  .hero__inner { padding: var(--sp-md) var(--sp-sm); }

  /* Service cards */
  .service-grid { grid-template-columns: 1fr; }

  /* Profile table */
  .profile-table__row { grid-template-columns: 1fr; }
  .profile-table__term { padding-bottom: 0.5rem; }

  /* Recruit table */
  .recruit-table tr { grid-template-columns: 1fr; }
  .recruit-table th { padding-bottom: 0.5rem; }

  /* Page header */
  .page-header { height: 240px; }

  /* Message */
  .message-sign { justify-content: flex-end; }

  /* News */
  .news-list__item { flex-direction: column; gap: 0.3rem; }

  .sub-nav__item a { padding: 1rem; }
}

    /* ═══════════════════════════════════════════════════════
       INDEX.HTML ONLY — 再調整版
    ═══════════════════════════════════════════════════════ */

    /* ── Section spacing ── */
    .section { padding-top: 8rem; padding-bottom: 8rem; padding-block: 8rem; }
    .section__header { margin-bottom: 4.5rem; }
    .section__en { letter-spacing: 0.06em; }
    .section__jp { margin-top: 0.75rem; letter-spacing: 0.2em; }
    .section__rule { margin-top: 1.4rem; width: 48px; }

    /* ────────────────────────────────────────────────────
       HERO — 枠線なし・写真主役
    ──────────────────────────────────────────────────── */
    .hero {
      position: relative;
      height: 100svh;
      min-height: 640px;
      overflow: hidden;
    }

    /* 背景写真レイヤー（初期スケール大→通常） */
    .hero__bg {
      position: absolute;
      inset: -6%;
      background-image: url('../images/topimg-fd.jpg');
      background-size: cover;
      background-position: center;
      animation: hero-zoom-in 1.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards,
                 hero-breathe 18s ease-in-out 1.8s infinite;
      z-index: 0;
    }

    @keyframes hero-zoom-in {
      from { transform: scale(1.12); opacity: 0.6; }
      to   { transform: scale(1.00); opacity: 1; }
    }

    @keyframes hero-breathe {
      0%, 100% { transform: scale(1.000) translate(0,    0   ); }
      50%       { transform: scale(1.020) translate(-0.4%, -0.2%); }
    }

    /* オーバーレイ：左下に向かって薄くなる */
    .hero__overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(
        135deg,
        rgba(10, 25, 50, 0.72) 0%,
        rgba(10, 25, 50, 0.45) 50%,
        rgba(10, 25, 50, 0.15) 100%
      );
      z-index: 1;
    }

    /* スクロール時フェードアウト用 */
    .hero__inner {
      position: absolute;
      inset: 0;
      z-index: 2;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding-left: 8vw;
      padding-bottom: 4rem;
    }

    /* タグライン（枠なし・シンプル） */
    .hero__tag {
      font-family: var(--font-en);
      font-size: 0.65rem;
      letter-spacing: 0.3em;
      color: rgba(255,255,255,0.7);
      text-transform: uppercase;
      opacity: 0;
      transform: translateY(16px);
      animation: txt-fade-up 0.8s ease 0.6s forwards;
      margin-bottom: 1.8rem;
    }

    /* メインコピー 1行目 */
    .hero__copy-line1 {
      font-family: var(--font-en);
      font-size: clamp(2.4rem, 7vw, 7rem);
      font-weight: 800;
      letter-spacing: 0.04em;
      color: #fff;
      line-height: 1.0;
      opacity: 0;
      transform: translateY(40px);
      animation: txt-fade-up 1.0s cubic-bezier(0.22, 0.61, 0.36, 1) 0.9s forwards;
      text-shadow: 0 4px 40px rgba(0, 0, 0, 0.22);
    }

    /* メインコピー 2行目 */
    .hero__copy-line2 {
      font-family: var(--font-en);
      font-size: clamp(2.4rem, 7vw, 7rem);
      font-weight: 800;
      letter-spacing: 0.04em;
      color: rgba(255,255,255,0.82);
      line-height: 1.0;
      opacity: 0;
      transform: translateY(40px);
      animation: txt-fade-up 1.0s cubic-bezier(0.22, 0.61, 0.36, 1) 1.1s forwards;
      margin-bottom: 0.2em;
    }

    @keyframes txt-fade-up {
      to { opacity: 1; transform: translateY(0); }
    }

    /* アクセントライン */
    .hero__line {
      display: block;
      width: 0;
      height: 2px;
      background: rgba(255,255,255,0.5);
      margin: 1.8rem 0 0;
      border-radius: 2px;
      animation: hero-line-in 0.8s ease 1.4s forwards;
    }

    @keyframes hero-line-in {
      to { width: 80px; }
    }

    /* サブテキスト */
    .hero__sub {
      margin-top: 1.4rem;
      font-size: 0.85rem;
      color: rgba(255,255,255,0.65);
      letter-spacing: 0.18em;
      opacity: 0;
      animation: txt-fade-up 0.8s ease 1.6s forwards;
    }

    /* CTAボタン */
    .hero__cta {
      margin-top: 2.8rem;
      display: inline-flex;
      align-self: flex-start;
      align-items: center;
      gap: 0.7rem;
      padding: 0.9rem 2.6rem;
      font-family: var(--font-jp);
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      color: #fff;
      background: transparent;
      border: 1px solid rgba(255,255,255,0.6);
      border-radius: 2px;
      cursor: pointer;
      text-decoration: none;
      opacity: 0;
      transform: translateY(12px);
      animation: txt-fade-up 0.7s ease 1.9s forwards;
      transition: background 0.28s ease, border-color 0.28s ease, transform 0.22s ease;
    }

    .hero__cta:hover {
      background: rgba(255,255,255,0.12);
      border-color: rgba(255,255,255,0.9);
      transform: translateY(-2px);
      opacity: 1;
    }

    .hero__cta::after {
      content: '→';
      font-size: 0.9em;
      transition: transform 0.22s ease;
    }

    .hero__cta:hover::after {
      transform: translateX(4px);
    }

    /* スクロールインジケーター */
    .hero__scroll {
      position: absolute;
      bottom: 2.5rem;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.5rem;
      font-family: var(--font-en);
      font-size: 0.6rem;
      letter-spacing: 0.25em;
      color: rgba(255,255,255,0.55);
      z-index: 3;
      opacity: 0;
      animation: txt-fade-up 0.6s ease 2.2s forwards;
    }

    .hero__scroll::after {
      content: '';
      display: block;
      width: 1px;
      height: 52px;
      background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
      animation: scroll-line 2s ease-in-out 2.4s infinite;
    }

    @keyframes scroll-line {
      0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
      50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
      51%  { transform: scaleY(1); transform-origin: bottom; }
      100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
    }

    /* スクロール追従フェードアウト */
    .hero.is-scrolled .hero__inner {
      opacity: 0.3;
      transition: opacity 0.4s ease;
    }

    /* ────────────────────────────────────────────────────
       スクロールアニメーション共通
    ──────────────────────────────────────────────────── */
    .reveal {
      opacity: 0;
      transform: translateY(48px);
      transition: opacity 0.85s cubic-bezier(0.22, 0.61, 0.36, 1),
                  transform 0.85s cubic-bezier(0.22, 0.61, 0.36, 1);
    }

    .reveal-left {
      opacity: 0;
      transform: translateX(-56px);
      transition: opacity 0.85s cubic-bezier(0.22, 0.61, 0.36, 1),
                  transform 0.85s cubic-bezier(0.22, 0.61, 0.36, 1);
    }

    .reveal-right {
      opacity: 0;
      transform: translateX(56px);
      transition: opacity 0.85s cubic-bezier(0.22, 0.61, 0.36, 1),
                  transform 0.85s cubic-bezier(0.22, 0.61, 0.36, 1);
    }

    .reveal.is-visible,
    .reveal-left.is-visible,
    .reveal-right.is-visible {
      opacity: 1;
      transform: translate(0);
    }

    /* 段差タイミング */
    .reveal[data-delay="1"],
    .reveal-left[data-delay="1"],
    .reveal-right[data-delay="1"] { transition-delay: 0.12s; }

    .reveal[data-delay="2"],
    .reveal-left[data-delay="2"],
    .reveal-right[data-delay="2"] { transition-delay: 0.26s; }

    .reveal[data-delay="3"],
    .reveal-left[data-delay="3"],
    .reveal-right[data-delay="3"] { transition-delay: 0.40s; }

    /* ────────────────────────────────────────────────────
       LEAD TEXT
    ──────────────────────────────────────────────────── */
    .lead-section {
      padding-top: 5rem;
      padding-bottom: 5rem;
      padding-block: 5rem;
      text-align: center;
      background: var(--clr-bg);
      border-bottom: 1px solid var(--clr-border);
    }

    .lead-section__text {
      font-size: clamp(0.9rem, 1.5vw, 1.05rem);
      color: var(--clr-text-mid);
      line-height: 2.2;
      letter-spacing: 0.06em;
      max-width: 640px;
      margin-left: auto;
      margin-right: auto;
      margin-inline: auto;
    }

    /* ────────────────────────────────────────────────────
       SERVICE — ジグザグレイアウト
    ──────────────────────────────────────────────────── */
    .service-zigzag {
      display: flex;
      flex-direction: column;
      gap: 6rem;
      counter-reset: svc;
    }

    .service-item {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 5rem;
      align-items: center;
      counter-increment: svc;
    }

    /* 偶数は左右反転 */
    .service-item--reverse {
      direction: rtl;
    }

    .service-item--reverse > * {
      direction: ltr;
    }

    /* テキスト部分 */
    .service-item__body {
      display: flex;
      flex-direction: column;
      gap: 1.4rem;
    }

    .service-item__en {
      font-family: var(--font-en);
      font-size: 0.65rem;
      letter-spacing: 0.28em;
      color: var(--clr-primary-2);
      text-transform: uppercase;
    }

    .service-item__en::before {
      content: counter(svc, decimal-leading-zero) '\00a0\00a0';
      color: var(--clr-primary);
      opacity: 0.4;
      letter-spacing: 0.12em;
    }

    .service-item__title {
      font-size: clamp(1.1rem, 2vw, 1.4rem);
      font-weight: 700;
      color: var(--clr-primary);
      letter-spacing: 0.04em;
      line-height: 1.5;
    }

    .service-item__rule {
      display: block;
      width: 36px;
      height: 2px;
      background: linear-gradient(to right, var(--clr-primary), var(--clr-primary-2));
      border-radius: 2px;
    }

    .service-item__text {
      font-size: 0.9rem;
      color: var(--clr-text-mid);
      line-height: 2.1;
    }

    .service-item__more {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-family: var(--font-en);
      font-size: 0.72rem;
      letter-spacing: 0.16em;
      color: var(--clr-primary);
      text-decoration: none;
      padding-bottom: 3px;
      border-bottom: 1px solid var(--clr-primary-3);
      transition: border-color 0.25s ease, gap 0.22s ease;
    }

    .service-item__more:hover {
      border-color: var(--clr-primary);
      gap: 0.8rem;
    }

    /* 画像部分 */
    .service-item__visual {
      position: relative;
      border-radius: 4px;
      overflow: hidden;
      aspect-ratio: 16 / 10;
      transition: box-shadow 0.5s ease;
    }

    .service-item__visual:hover {
      box-shadow: 0 24px 60px rgba(27, 105, 170, 0.14);
    }

    .service-item__visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
    }

    .service-item__visual:hover img {
      transform: scale(1.04);
    }

    /* 画像角装飾 */
    .service-item__visual::before {
      content: '';
      position: absolute;
      top: -6px;
      right: -6px;
      width: 48px;
      height: 48px;
      border-top: 2px solid var(--clr-primary-2);
      border-right: 2px solid var(--clr-primary-2);
      z-index: 1;
      pointer-events: none;
    }

    .service-item--reverse .service-item__visual::before {
      right: auto;
      left: -6px;
      border-right: none;
      border-left: 2px solid var(--clr-primary-2);
    }

    /* ────────────────────────────────────────────────────
       AIビジネスデザインセクション
    ──────────────────────────────────────────────────── */
    .ai-section {
      padding-top: 8rem;
      padding-bottom: 8rem;
      padding-block: 8rem;
      background: #f8faff;
      border-top: 1px solid var(--clr-border);
    }

    .ai-section__inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 5rem;
      align-items: center;
    }

    .ai-section__text-block {
      display: flex;
      flex-direction: column;
      gap: 1.6rem;
    }

    .ai-section__heading {
      font-size: clamp(1.2rem, 2.5vw, 1.6rem);
      font-weight: 700;
      color: var(--clr-primary);
      letter-spacing: 0.06em;
      line-height: 1.6;
    }

    .ai-section__rule {
      display: block;
      width: 40px;
      height: 2px;
      background: linear-gradient(to right, var(--clr-primary), var(--clr-primary-2));
      border-radius: 2px;
    }

    .ai-section__body {
      font-size: 0.9rem;
      color: var(--clr-text-mid);
      line-height: 2.2;
    }

    .ai-section__body p + p {
      margin-top: 1.2em;
    }

    /* AI装飾ビジュアル */
    .ai-section__visual {
      position: relative;
    }

    .ai-section__visual-img {
      width: 100%;
      border-radius: 4px;
      overflow: hidden;
      aspect-ratio: 4 / 3;
    }

    .ai-section__visual-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.6s ease;
    }

    .ai-section__visual-img:hover img {
      transform: scale(1.04);
    }

    /* 浮くラベル */
    .ai-section__badge {
      position: absolute;
      bottom: -1.5rem;
      left: -1.5rem;
      background: var(--clr-primary);
      color: #fff;
      font-family: var(--font-en);
      font-size: 0.68rem;
      letter-spacing: 0.2em;
      padding: 0.7rem 1.4rem;
      border-radius: 2px;
      box-shadow: 0 8px 24px rgba(27, 105, 170, 0.25);
    }

    /* ────────────────────────────────────────────────────
       NUMBER FEATURE — 3つの強み
    ──────────────────────────────────────────────────── */
    .features-section {
      padding-top: 8rem;
      padding-bottom: 8rem;
      padding-block: 8rem;
      background: var(--clr-bg);
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 3rem;
      margin-top: 0;
    }

    .feature-item {
      text-align: center;
      padding: 1.8rem 1rem 0;
      border-top: 2px solid transparent;
      transition: border-color 0.4s ease, transform 0.35s ease;
    }

    .feature-item:hover {
      border-color: var(--clr-primary-2);
      transform: translateY(-5px);
    }

    .feature-item__num {
      font-family: var(--font-en);
      font-size: 4.5rem;
      font-weight: 800;
      color: var(--clr-primary-3);
      line-height: 1;
      letter-spacing: -0.02em;
      display: block;
      margin-bottom: 0.5rem;
    }

    .feature-item__title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--clr-primary);
      margin-bottom: 1rem;
      letter-spacing: 0.06em;
    }

    .feature-item__text {
      font-size: 0.85rem;
      color: var(--clr-text-mid);
      line-height: 2;
    }

    /* ── OUR STRENGTH: feature-item アニメーション上書き ──
       問題1: .feature-item の transition が .reveal-* の transition を
              後勝ちで上書きし、opacity がアニメーションしない（瞬間表示）
       問題2: translateX(56px) の横移動が強すぎる
       → 小さな上昇フェードに統一し、hover も正しく復元する */

    /* 初期状態：横入り → 小さく下からのフェードに変更 */
    .features-section .feature-item.reveal-left,
    .features-section .feature-item.reveal,
    .features-section .feature-item.reveal-right {
      transform: translateY(14px);
      transition: opacity 0.8s ease,
                  transform 0.8s ease,
                  border-color 0.4s ease;
    }

    /* 出現完了後：transform をリセット */
    .features-section .feature-item.is-visible {
      transform: translateY(0);
    }

    /* 出現完了後：hover を復元（is-visible より高特異度で上書き） */
    .features-section .feature-item.is-visible:hover {
      transform: translateY(-5px);
    }

    /* 出現時のみ stagger（控えめに）*/
    .features-section .feature-item[data-delay="1"] { transition-delay: 0s; }
    .features-section .feature-item[data-delay="2"] { transition-delay: 0.12s; }
    .features-section .feature-item[data-delay="3"] { transition-delay: 0.24s; }

    /* 出現後は delay を 0 に戻す（hover 時に遅延しないよう） */
    .features-section .feature-item.is-visible[data-delay="1"],
    .features-section .feature-item.is-visible[data-delay="2"],
    .features-section .feature-item.is-visible[data-delay="3"] {
      transition-delay: 0s;
    }

    /* ────────────────────────────────────────────────────
       CONTACT CTA
    ──────────────────────────────────────────────────── */
    .cta-section {
      padding-top: 8rem;
      padding-bottom: 8rem;
      padding-block: 8rem;
      text-align: center;
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, #1b69aa 0%, #145490 60%, #0d3d6e 100%);
    }

    .cta-section::before {
      content: '';
      position: absolute;
      top: -60px;
      right: -60px;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: rgba(255,255,255,0.05);
    }

    .cta-section::after {
      content: '';
      position: absolute;
      bottom: -80px;
      left: -80px;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      background: rgba(255,255,255,0.04);
    }

    .cta-section .container { position: relative; z-index: 1; }

    .cta-section__en {
      font-family: var(--font-en);
      font-size: clamp(1.6rem, 3vw, 2.8rem);
      font-weight: 800;
      letter-spacing: 0.06em;
      color: #fff;
      line-height: 1;
    }

    .cta-section__jp {
      display: block;
      margin-top: 0.75rem;
      font-size: 0.8rem;
      letter-spacing: 0.2em;
      color: rgba(255,255,255,0.7);
    }

    .cta-section__rule {
      display: block;
      width: 48px;
      height: 2px;
      background: rgba(255,255,255,0.4);
      margin: 1.4rem auto 2.5rem;
    }

    .cta-section__text {
      font-size: 0.93rem;
      color: rgba(255,255,255,0.85);
      line-height: 2.1;
      margin-bottom: 2.8rem;
      max-width: 520px;
      margin-left: auto;
      margin-right: auto;
      margin-inline: auto;
    }

    .btn--cta {
      display: inline-flex;
      align-items: center;
      gap: 0.7rem;
      padding: 1.1rem 3.8rem;
      font-family: var(--font-jp);
      font-size: 0.93rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      color: var(--clr-primary);
      background: #fff;
      border: 2px solid #fff;
      border-radius: 3px;
      cursor: pointer;
      text-decoration: none;
      transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.22s ease;
    }

    .btn--cta:hover {
      background: rgba(255,255,255,0.88);
      box-shadow: 0 10px 32px rgba(0, 0, 0, 0.2);
      transform: translateY(-3px);
      opacity: 1;
    }

    .btn--cta::after {
      content: '→';
      font-size: 0.9em;
      transition: transform 0.22s ease;
    }

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

    /* ────────────────────────────────────────────────────
       GNAV ホバーアンダーライン
    ──────────────────────────────────────────────────── */
    .gnav__link { position: relative; }

    .gnav__link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      width: 0;
      height: 2px;
      background: var(--clr-primary);
      transform: translateX(-50%);
      transition: width 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
    }

    .gnav__item:hover .gnav__link::after,
    .gnav__item.is-current .gnav__link::after { width: 100%; }

    /* ────────────────────────────────────────────────────
       Responsive
    ──────────────────────────────────────────────────── */
    @media screen and (max-width: 960px) {
      .section { padding-top: 6rem; padding-bottom: 6rem; padding-block: 6rem; }
      .ai-section { padding-top: 6rem; padding-bottom: 6rem; padding-block: 6rem; }
      .features-section { padding-top: 6rem; padding-bottom: 6rem; padding-block: 6rem; }
      .cta-section { padding-top: 6rem; padding-bottom: 6rem; padding-block: 6rem; }
      .service-item { gap: 3rem; }
      .ai-section__inner { gap: 3rem; }
    }

    @media screen and (max-width: 768px) {
      .service-item {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        direction: ltr;
      }
      .service-item--reverse {
        direction: ltr;
      }
      .service-item__visual::before { display: none; }
      .ai-section__inner {
        grid-template-columns: 1fr;
        gap: 3rem;
      }
      .ai-section__badge { display: none; }
      .service-zigzag { gap: 4rem; }
    }

    @media screen and (max-width: 640px) {
      .section { padding-top: 4.5rem; padding-bottom: 4.5rem; padding-block: 4.5rem; }
      .section__header { margin-bottom: 2.5rem; }
      .features-section { padding-top: 4.5rem; padding-bottom: 4.5rem; padding-block: 4.5rem; }
      .cta-section { padding-top: 4.5rem; padding-bottom: 4.5rem; padding-block: 4.5rem; }
      .ai-section { padding-top: 4.5rem; padding-bottom: 4.5rem; padding-block: 4.5rem; }
      .hero__copy-line1,
      .hero__copy-line2 { font-size: clamp(2rem, 9vw, 3.5rem); }
      .hero__inner { padding-left: 5vw; }
      .features-grid { grid-template-columns: 1fr; gap: 2.5rem; }
      .lead-section { padding-top: 3.5rem; padding-bottom: 3.5rem; padding-block: 3.5rem; }
    }


/* ============================================================
   PAGE HEADER — ページ別背景画像
   inline style を排除しクラスで管理
============================================================ */
.page-header--company {
  background-image: url('../images/contentimg-company.jpg');
}

.page-header--service {
  background-image: url('../images/contentimg-Production.jpg');
}

.page-header--service-op {
  background-image: url('../images/service_ai.png');
}

.page-header--pm {
  background-image: url('../images/contentimg-PM.jpg');
}

.page-header--recruit {
  background-image: url('../images/contentimg-recruit2.jpg');
}

.page-header--partner {
  background-image: url('../images/contentimg-partners.jpg');
}

.page-header--contact {
  background-image: url('../images/topimg-fd.jpg');
}

/* ============================================================
   NARROW CONTAINER — 読み物ページ用 max-width 制限
============================================================ */
.narrow-container {
  max-width: 760px;
}

/* ============================================================
   LOGO WRAP — message.html コーポレートロゴブロック
============================================================ */
.logo-wrap {
  text-align: center;
  padding: 3rem 0;
}

.logo-wrap__img {
  max-width: 280px;
  margin: 0 auto;
}

/* ============================================================
   MESSAGE LOGO BLOCK — テキスト中央寄せ
============================================================ */
.message-logo-block .content-text {
  text-align: center;
}

/* ============================================================
   PARTNER NOTE — partner.html 箇条書きブロック
============================================================ */
.partner-note {
  margin: 2rem 0;
  padding-left: 1.5rem;
  font-size: 0.9rem;
  color: var(--clr-text-mid);
  line-height: 2.2;
  border-left: 3px solid var(--clr-primary-3);
  list-style: disc;
}

/* ============================================================
   CTA BLOCK — ボタン・バナーの中央配置ラッパー
============================================================ */
.cta-block {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ============================================================
   TIMELINE — company.html 沿革
============================================================ */
.timeline {
  position: relative;
  padding: 0.25rem 0;
}

/* 縦ライン */
.timeline::before {
  content: '';
  position: absolute;
  left: 148px;
  top: 0.6em;
  bottom: 0.6em;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--clr-primary-2) 4%,
    var(--clr-primary-2) 96%,
    transparent
  );
}

.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 148px 1fr;
  padding-bottom: 2.2rem;
}

.timeline__item:last-child { padding-bottom: 0; }

/* ドット */
.timeline__item::before {
  content: '';
  position: absolute;
  left: 141px;
  top: 0.45em;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--clr-primary-2);
  z-index: 1;
}

/* 新規追加エントリ（2026年） */
.timeline__item--new::before {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 4px rgba(27, 105, 170, 0.15);
  width: 16px;
  height: 16px;
  left: 140px;
}

.timeline__year {
  font-size: 0.8rem;
  color: var(--clr-text-sub);
  font-weight: 700;
  line-height: 1.8;
  padding-right: 1.8rem;
  text-align: right;
  letter-spacing: 0.02em;
  padding-top: 0.05em;
}

.timeline__item--new .timeline__year {
  color: var(--clr-primary);
  font-weight: 800;
}

.timeline__body {
  font-size: 0.9rem;
  color: var(--clr-text-mid);
  line-height: 1.8;
  padding-left: 1.8rem;
}

.timeline__item--new .timeline__body {
  color: var(--clr-primary);
  font-weight: 700;
}

/* アニメーション */
.tl-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.tl-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* タブレット */
@media screen and (max-width: 640px) {
  .timeline::before {
    left: 0;
  }

  .timeline__item {
    grid-template-columns: 1fr;
    padding-left: 1.6rem;
    padding-bottom: 2rem;
  }

  .timeline__item::before {
    left: -7px;
    top: 0.4em;
  }

  .timeline__item--new::before {
    left: -8px;
  }

  .timeline__year {
    text-align: left;
    padding-right: 0;
    margin-bottom: 0.15rem;
    font-size: 0.75rem;
  }

  .timeline__body {
    padding-left: 0;
  }
}

/* ============================================================
   SVG PICTOGRAMS — features & contact CTA
============================================================ */

/* 強み（features）アイコン共通 */
.feature-item__icon {
  display: flex;
  justify-content: center;
  margin-bottom: 0.8rem;
}

.feature-icon-svg {
  width: 52px;
  height: 52px;
  color: var(--clr-primary);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
              color 0.3s ease;
}

.feature-item:hover .feature-icon-svg {
  transform: translateY(-4px) scale(1.08);
  color: var(--clr-primary-2);
}

/* サービスアイコン（service-item__bodyに追加） */
.service-item__icon {
  display: block;
  width: 36px;
  height: 36px;
  color: var(--clr-primary-2);
  margin-bottom: 0.4rem;
  transition: transform 0.35s ease, color 0.3s ease;
  flex-shrink: 0;
}

.service-item:hover .service-item__icon {
  transform: rotate(8deg) scale(1.1);
  color: var(--clr-primary);
}

/* CTA アイコン */
.cta-icon-svg {
  display: inline-block;
  width: 40px;
  height: 40px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1.2rem;
  animation: cta-icon-pulse 3s ease-in-out infinite;
}

@keyframes cta-icon-pulse {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50%       { transform: translateY(-5px); opacity: 1; }
}

/* ============================================================
   DOT NUMBER ANIMATION — feature-item__num (01/02/03)
============================================================ */

/* 初期状態：canvas が重なる / テキストは JS が適切タイミングでリビール */
.feature-item__num-wrap {
  position: relative;
  display: inline-block;
  line-height: 1;
}

.feature-item__num {
  display: block;
  opacity: 0;
  /* JS が onConverged() で inline transition + opacity をセット。
     JS 失敗・モーション無効時の CSS fallback：2s 後に必ず表示 */
}

.feature-item.is-visible .feature-item__num {
  opacity: 1;
  transition: opacity 0.45s ease 2s; /* fallback delay */
}

/* canvas（JS側で生成） — CSS transition で滑らかに fadeout */
.dot-canvas {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  will-change: opacity;
  transition: opacity 0.45s ease;
}

/* 収束完了後に JS が付与するクラス */
.dot-canvas--done {
  opacity: 0;
}

/* ============================================================
   GOOGLE MAP OVERLAY — access.html
============================================================ */
.map-wrapper {
  position: relative;
  display: block;
}

/* ドットロボット風マーカー */
.map-marker {
  position: absolute;
  /* マップ中心 ≒ 会社位置（Google Maps embed はセンターに会社を配置） */
  top:  44%;
  left: 50%;
  transform: translate(-50%, -100%);
  z-index: 2;
  pointer-events: none;
  animation: marker-float 3.2s ease-in-out infinite;
}

.map-marker__svg {
  width: 40px;
  height: 54px;
  filter: drop-shadow(0 4px 8px rgba(27, 105, 170, 0.40));
}

/* マーカー下の影ドット */
.map-marker__shadow {
  width: 12px;
  height: 4px;
  background: rgba(27, 105, 170, 0.25);
  border-radius: 50%;
  margin: 0 auto;
  animation: marker-shadow 3.2s ease-in-out infinite;
}

@keyframes marker-float {
  0%, 100% { transform: translate(-50%, -100%); }
  50%       { transform: translate(-50%, calc(-100% - 8px)); }
}

@keyframes marker-shadow {
  0%, 100% { transform: scaleX(1);   opacity: 0.25; }
  50%       { transform: scaleX(0.7); opacity: 0.15; }
}

/* ============================================================
   MAP FRAME — inline style 移植分（access.html）
============================================================ */
.map-frame {
  position: relative;
  width: 100%;
  padding-bottom: 50%;
  overflow: hidden;
  border: none;
}

.map-frame iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: 0;
  filter: saturate(0.88) brightness(1.01);
}

.map-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(120, 176, 221, 0.13);
  pointer-events: none;
  z-index: 1;
}