/* =========================
   Base
========================= */
:root {
  --brand: #1f6feb;
  --brand-rgb: 31, 111, 235;
  --bg: #f7f7fb;
  --bg-rgb: 247, 247, 251;
  --text: #162023;
  --muted: #687387;
  --card: #ffffff;
  --shadow: 0 18px 44px rgba(12, 16, 28, 0.08);
  --wrap-w: min(1100px, 92%);
  --header-h: 72px;

  /* スクロールによる各コンテンツのディレイ表示 */
  --reveal-distance: 16px;
  --reveal-duration: 2s; /* ディレイ秒数 */
  --reveal-ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  /* つなぎ用トークン（好みで調整） */
  /* --bridge-fade-h: 280px; */
}
@media (max-width: 768px) {
  :root {
    --header-h: 60px;
  }
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans",
    "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.7;
  -webkit-user-select: none; /* Chrome, Safari, Opera */
  -moz-user-select: none;    /* Firefox */
  -ms-user-select: none;     /* IE, Edge */
  user-select: none;         /* 標準 */
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--brand);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.container {
  width: var(--wrap-w);
  margin-inline: auto;
}
.section {
  padding: 64px 0;
}
.sec-title {
  font-size: clamp(26px, 3.6vw, 40px);
  margin: 0 0 18px;
}

/* =========================
   スクロールによる各コンテンツのディレイ表示
========================= */
.reveal {
  opacity: 0;
  transform: translateY(var(--reveal-distance));
  transition:
    opacity var(--reveal-duration) var(--reveal-ease),
    transform var(--reveal-duration) var(--reveal-ease);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal.is-visible {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* =========================
   Header（半透明＋背景ぼかし）
========================= */
.site-header.dark {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 1000;
  background: rgba(18, 20, 22, 0.62) !important;
  -webkit-backdrop-filter: blur(10px) saturate(120%);
  backdrop-filter: blur(10px) saturate(120%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}
@supports not (
  (-webkit-backdrop-filter: blur(10px)) or (backdrop-filter: blur(10px))
) {
  .site-header.dark {
    background: rgba(18, 20, 22, 0.7);
  }
}

.header-inner {
  height: 100%;
  width: 100%;

  padding-left: 30px;
  padding-right: 20px;

  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-inline: 0;
  max-width: none;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0px;
}

.site-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 20px;
  justify-content: flex-end;
}
.site-nav a {
  padding: 0.4rem 0.2rem;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 40px;
  height: 40px;
  justify-self: end;
}
.nav-toggle .bar {
  display: block;
  width: 100%;
  height: 3px;
  background: #fff;
  margin: 6px 0;
  border-radius: 2px;
}
@media (max-width: 768px) {
  .site-nav {
    position: absolute;
    inset: var(--header-h) 0 auto 0;
    background: rgba(18, 20, 22, 0.85);
    display: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .site-nav.open {
    display: block;
  }
  .site-nav ul {
    flex-direction: column;
  }
  .site-nav a {
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  .nav-toggle {
    display: inline-block;
  }
}

/* ヘッダロゴ（SSSicon＋SSS_Name） */
.brand-logo {
  height: 40px;
  width: auto;
  display: block;
}
@media (max-width: 768px) {
  .brand-logo {
    height: 32px;
  }
}

/* =========================
   ヒーロー画像設定
========================= */
html,
body {
  overflow-x: clip;
}
@supports not (overflow-x: clip) {
  html,
  body {
    overflow-x: hidden;
  }
}
.hero {
  position: relative;

  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);

  min-height: 100vh;
  padding: 0px 0 32px;
  padding-top: var(--header-h);

  display: grid;
  align-items: center;
  justify-items: flex-start;
  padding-left: clamp(24px, 6vw, 80px);

  isolation: isolate;
  z-index: 2;
  overflow: hidden;
}
/* 少し濃い暗めグラデーションを敷く */
.hero::before {
  content: "";
  position: absolute;
  inset: var(--header-h) 0 0 0;
  z-index: 1;
  background: linear-gradient(120deg, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.2));
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 3;
}

.hero__bg {
  position: absolute;
  inset: var(--header-h) 0 0 0;
  z-index: 0;
  pointer-events: none;

  overflow: hidden;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 65% 40% !important;

  filter: brightness(0.9) contrast(1.05);

  animation: none;
  transform: none;

  transform-origin: center;
  will-change: auto;
}

/* =========================================
   ヒーロー：斜めに流れるライン演出
========================================= */
.hero__fx {
  position: absolute;
  inset: var(--header-h) 0 0 0;

  z-index: 2;
  pointer-events: none;
  overflow: hidden;

  clip-path: polygon(80% 100%, 100% 0%, 100% 100%);
}
@supports (
  (-webkit-mask-image: linear-gradient(#000, #000)) or
    (mask-image: linear-gradient(#000, #000))
) {
  .hero__fx {
    clip-path: none;
    -webkit-mask-image: linear-gradient(
      to left,
      rgba(0, 0, 0, 1) 0%,
      rgba(0, 0, 0, 0) 62%
    );
    mask-image: linear-gradient(
      to left,
      rgba(0, 0, 0, 1) 0%,
      rgba(0, 0, 0, 0) 62%
    );
  }
}

.hero__fx .diag-line {
  position: absolute;
  left: auto;
  right: var(--line-r, 0%);
  bottom: -25%;
  top: auto;

  width: 6px;
  height: 220%;

  opacity: 0;

  transform: rotate(45deg);
  transform-origin: 50% 100%;

  overflow: hidden;

  will-change: opacity, transform;
}

.hero__fx .diag-line__inner {
  position: absolute;
  inset: 0;

  background:
    linear-gradient(
      to top,
      rgba(255, 255, 255, 0) 0%,
      rgba(245, 248, 255, 0.18) 22%,
      rgba(255, 255, 255, 0.35) 35%,
      rgba(245, 248, 255, 0.12) 48%,
      rgba(255, 255, 255, 0) 100%
    ),
    linear-gradient(
      to top,
      rgba(158, 166, 175, 0.98) 0%,
      rgba(176, 184, 193, 0.8) 35%,
      rgba(200, 206, 214, 0.22) 70%,
      rgba(200, 206, 214, 0) 100%
    );
  background-blend-mode: screen;

  box-shadow:
    0 0 26px rgba(190, 198, 208, 0.6),
    0 0 85px rgba(190, 198, 208, 0.28);
  filter: blur(0.12px) drop-shadow(0 0 14px rgba(210, 218, 228, 0.55));

  mix-blend-mode: screen;
}
.hero__fx .diag-line__inner::after {
  content: "";
  position: absolute;
  inset: -10px;
  background: inherit;
  opacity: 0.55;
  filter: blur(12px);
  pointer-events: none;
}

.hero__fx .diag-line__reveal {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 0%;
  overflow: hidden;
}
@media (max-width: 560px) {
  .hero__fx {
    clip-path: none !important;
    -webkit-mask-image: none !important;
    mask-image: none !important;
  }

  .hero__fx .diag-line {
    right: auto;
    left: var(--line-l, 0%);
    bottom: -5%;
    height: 260%;
  }

  .hero__fx .diag-line:nth-of-type(n + 4) {
    display: none;
  }
}

/* ===== PRテキスト ===== */
.hero__pr {
  width: min(1400px, 90vw);
  transform: none;
  container-type: inline-size;
}
.hero__pr .pr-line {
  margin: 0 0 2.6em;
  font-family:
    "BIZ UDMincho", "BIZ UDMincho Medium", "Yu Mincho", "Hiragino Mincho ProN",
    "MS PMincho", serif;
  font-weight: 500;
  font-size: clamp(22px, 3.2vw, 40px);
  line-height: 1.45;
  color: #fff;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.75);

  opacity: 0;
  transform: translateY(10px);
}
.hero-pr-line1,
.hero-pr-line3 {
  white-space: nowrap;
}
@container (max-width: 520px) {
  .hero-pr-line1,
  .hero-pr-line3 {
    white-space: normal;
    overflow-wrap: normal;
  }
}
.hero-pr-line2 {
  margin-top: 0.4em;
  padding-right: 0.3em;
}

.hero__pr .pr-em {
  font-size: 2em;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.1;
  display: inline-block;
}
@media (max-width: 560px) {
  .hero-pr-line1,
  .hero-pr-line2,
  .hero-pr-line3 {
    white-space: normal;
    overflow-wrap: break-word;
  }
  .hero {
    align-items: start;
    justify-items: center;
    padding-left: 0;
  }
  .hero__inner {
    width: 100%;
    padding-top: 12px;
    display: grid;
    justify-items: center;
  }
  /* 3行(p)を“列”として横並びにする */
  .hero__pr {
    display: flex;
    flex-direction: row-reverse;
    gap: 80px;
    align-items: center;
    justify-content: center;
    align-items: flex-start;

    margin-top: 8px;
    padding-right: 0;
    max-width: 92vw;
    max-height: 92vh;
  }

  /* 強調文字 */
  .hero__pr .pr-em {
    font-size: 1.75em;
    line-height: 1.05;
  }

  /* 各PR行を縦書き化 */
  .hero__pr .pr-line {
    writing-mode: vertical-rl;
    text-orientation: mixed;

    /* 余白・サイズ調整 */
    margin: 0;
    line-height: 1.15;
    font-size: clamp(20px, 6.2vw, 30px);

    /* 縦書きでは“横から出てくる”方が自然 */
    transform: translateX(10px);
  }

  /* SP用の任意改行は縦書きでは不要なので消す */
  .u-br-sp {
    display: none !important;
  }

  /* SP時だけアニメを横方向フェードに差し替え（遅延は既存のまま効く） */
  .hero__pr .pr-line.is-show {
    animation: prFadeInSide 800ms ease forwards;
  }

  @keyframes prFadeInSide {
    0% {
      opacity: 0;
      transform: translateX(10px);
    }
    100% {
      opacity: 1;
      transform: translateX(0);
    }
  }
}

.hero__pr .pr-line.is-show {
  animation: prFadeUp 800ms ease forwards;
}
.hero__pr .pr-line:nth-child(1).is-show {
  animation-delay: 1s;
}
.hero__pr .pr-line:nth-child(2).is-show {
  animation-delay: 2s;
}
.hero__pr .pr-line:nth-child(3).is-show {
  animation-delay: 3s;
}

@keyframes prFadeUp {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.u-br-sp {
  display: none;
}
@media (max-width: 560px) {
  .u-br-sp {
    display: inline;
  }
}

:root {
  --section-grad:
    linear-gradient(
      180deg,
      rgba(var(--brand-rgb), 0.1) 0%,
      rgba(var(--brand-rgb), 0.06) 22%,
      rgba(var(--bg-rgb), 1) 72%,
      rgba(var(--bg-rgb), 1) 100%
    ),
    rgb(var(--bg-rgb));
}

/* =========================
   業務内容
========================= */
#services {
  --bridge-fade-h: 120px;
  --start-color: 5, 6, 18;

  position: relative;
  margin-top: 0;

  padding-top: var(--bridge-fade-h);
  padding-bottom: 64px;

  background-color: rgb(var(--bg-rgb));

  background-image: linear-gradient(
    to bottom,
    rgb(var(--start-color)) 0%,
    rgb(var(--bg-rgb)) var(--bridge-fade-h),
    rgb(var(--bg-rgb)) 100%
  );

  background-repeat: no-repeat;
}

#services::before {
  content: none;
}
#services .container {
  position: relative;
  z-index: 1;
}

.services-grid {
  display: grid;
  gap: 28px;
}
@media (min-width: 992px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
}

.service-card {
  position: relative;
  isolation: isolate;

  display: grid;
  grid-template-rows:
    auto
    auto
    var(--h-body, auto)
    var(--h-results, auto);

  gap: 18px;
  align-items: start;

  background: #fff;
  border-radius: 24px;
  padding: clamp(20px, 2.4vw, 32px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.07);
  overflow: hidden;

  transition: background-color 0.25s ease;
}
.service-card:hover,
.service-card:focus-within {
  background-color: #eef0f3;
}
.service-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;

  background: rgba(0, 0, 0, 0.12);
  opacity: 0;
  z-index: 1;
  transition: opacity 0.25s ease;
}
.service-card:hover::after,
.service-card:focus-within::after {
  opacity: 0.12;
}
.service-card > * {
  position: relative;
  z-index: 2;
}
.service-title {
  margin: 0 0 0.5rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.2;

  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;

  font-size: clamp(18px, 1.8vw, 26px);

  display: inline-block;
  justify-self: flex-start;
  max-width: 100%;
}
.service-subtitle {
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 700;
  margin: 18px 0 8px;
}
.service-list {
  margin: 0 0 clamp(10px, 1.2vw, 16px) 1.1em;
  padding: 0;
}
.service-list li {
  line-height: 1.9;
  margin: 0.15em 0;
}

.service-figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  aspect-ratio: 16/9;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}
@supports not (aspect-ratio: 16/9) {
  .service-figure {
    height: 0;
    padding-top: 56.25%;
  }
  .service-figure > img {
    position: absolute;
    inset: 0;
  }
}
.service-figure > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform-origin: center;
  transition: transform 0.8s ease;
}
.service-card:hover .service-figure > img,
.service-card:focus-within .service-figure > img {
  transform: scale(1.06);
}

.service-card > .service-title {
  grid-row: 1;
}
.service-card > .service-figure {
  grid-row: 2;
}
.service-card > .service-body {
  grid-row: 3;
}
.service-card > .service-results {
  grid-row: 4;
}

#services.reveal,
#services .reveal {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

#services .service-card {
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.06) !important;
}

#services .service-figure {
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.06) !important;
}

/* =========================
   会社理念
========================= */
.philosophy-hero__catch {
  font-family:
    "BIZ UDMincho", "BIZ UDMincho Medium", "Yu Mincho", "Hiragino Mincho ProN",
    "MS PMincho", serif;
}
.philosophy-hero__sub {
  font-family: "Times New Roman Italic", "Georgia", serif;
  font-style: italic;
  letter-spacing: 0.22em;
}

.philosophy-hero--center {
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.philosophy-hero--center .philosophy-hero__catch {
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.25;
  margin: 0 0 10px;
  white-space: nowrap;
}
@media (max-width: 560px) {
  .philosophy-hero--center .philosophy-hero__catch {
    font-size: clamp(20px, 6.2vw, 28px);
    letter-spacing: 0.04em;
  }
}

.philosophy-hero--center .philosophy-hero__sub {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 0;
}

.company-philosophy h2,
.company-philosophy .sec-title {
  font-size: clamp(26px, 3.6vw, 40px);
  margin: 0 0 18px;
  font-weight: 800;
}

.company-philosophy {
  position: relative;
  margin-top: 0px;
  padding-top: 20px;
  padding-bottom: 40px;
  background: rgb(var(--bg-rgb));
}
.company-philosophy::before {
  content: none;
}

.company-philosophy .card {
  background: var(--card);
  border-radius: 16px;

  margin-top: 0;

  padding-left: var(--card-padding-left);
  padding-right: var(--card-padding-right);
  padding-top: var(--card-padding-top);
  padding-bottom: var(--card-padding-bottom);

  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.06) !important;
}

.philosophy-divider {
  width: 100vw;
  margin-top: 0;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);

  height: clamp(90px, 10vw, 200px);
  line-height: 0;

  position: relative;
  overflow: visible;
  background: transparent;
  z-index: 5;
}
.philosophy-divider img {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.company-philosophy.reveal,
.company-philosophy .reveal {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

figure {
  margin: 0;
}
:root {
  --card-padding-left: 28px;
  --card-padding-right: 28px;
  --card-padding-top: 28px;
  --card-padding-bottom: 28px;
}
.card {
  background: var(--card);
  border-radius: 16px;
  padding-left: var(--card-padding-left);
  padding-right: var(--card-padding-right);
  padding-top: var(--card-padding-top);
  padding-bottom: var(--card-padding-bottom);
  box-shadow: var(--shadow);
  transition:
    background-color 0.25s ease,
    box-shadow 0.25s ease,
    transform 0.25s ease;
}
#company .card + .card {
  margin-top: 64px;
}

#company .card:hover,
#company .card:focus-within {
  background: #f3f4f6;
  box-shadow: 0 18px 44px rgba(12, 16, 28, 0.12);
}

#careers-page .card:not(.card--no-hover):hover,
#careers-page .card:not(.card--no-hover):focus-within,
#contact .card:not(.card--no-hover):hover,
#contact .card:not(.card--no-hover):focus-within {
  background: #f3f4f6;
  box-shadow: 0 18px 44px rgba(12, 16, 28, 0.12);
}

.company-card__title {
  margin: 0 0 16px;
  font-size: 1.1rem;
}

.company-card__grid {
  display: grid;
  gap: 24px;
}
@media (min-width: 900px) {
  .company-card__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: flex-start;
  }
}

.company-card__info {
  min-width: 0;
}

.company-card__org {
  min-width: 0;
  display: grid;
  gap: 12px;
  align-content: flex-start;

  justify-items: center;
  text-align: center;

  margin: 0;
  margin-top: 15px;
}

.company-card__org figcaption {
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

.deflist {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 10px 18px;
}
.deflist div {
  display: contents;
}
.deflist dt {
  color: var(--muted);
}
.deflist dd {
  margin: 0;
}
@media (max-width: 560px) {
  .deflist {
    grid-template-columns: 1fr;
    gap: 6px 0;
  }

  .deflist dt {
    font-weight: 700;
    color: var(--muted);
  }

  .deflist dd {
    grid-column: 1;
    margin: 0 0 14px;
  }
}
.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}
.timeline li {
  display: grid;
  grid-template-columns: 9em 1fr;
  gap: 1rem;
  padding: 0.45rem 0;
  border-top: 1px dashed #e1e5ee;
}
.timeline li:first-child {
  border-top: 0;
}
.timeline time {
  color: var(--muted);
}

/* =========================
   アクセス・組織図など
========================= */
.access-card {
  position: relative;
  transition: background-color 0.25s ease;
}
.access-card figcaption {
  margin-top: 8px;
  color: var(--muted);
}
.org-image {
  max-width: 100%;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition:
    transform 0.45s ease,
    box-shadow 0.25s ease;
}

.company-card__org:hover .org-image,
.company-card__org:focus-within .org-image {
  transform: scale(1.03);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.22);
}

.access-card--double .access-double {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 900px) {
  .access-card--double .access-double {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
}

.access-caption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.access-card:hover,
.access-card:focus-within {
  background: #f3f4f6;
}

.access-card .access-img-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
}

.access-card .access-img-wrap img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.6s ease;
  transform-origin: center center;
}

.access-card:hover .access-img-wrap img,
.access-card:focus-within .access-img-wrap img {
  transform: scale(1.05);
}

/* =========================
   会社沿革
========================= */
#company .card--history {
  position: relative;
  overflow: hidden;

  --tl-line-w: 2px;
  --tl-radius: 7px;
  --tl-li-pad: 74px;
  --tl-circle-left: 23px;
  --tl-top: 130px;
  --tl-bottom: 40px;
}

#company .card--history::before {
  content: "";
  position: absolute;
  left: calc(
    var(--card-padding-left) + var(--tl-circle-left) + var(--tl-radius)
  );
  top: var(--tl-top);
  bottom: var(--tl-bottom);
  width: var(--tl-line-w);
  border-radius: 999px;
  background: linear-gradient(
    to bottom,
    rgba(31, 111, 235, 0.25),
    rgba(31, 111, 235, 0.95)
  );
}

#company .card--history .timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

#company .card--history .timeline li {
  position: relative;
  display: block;
  padding: 18px 0 18px var(--tl-li-pad);
  border-top: none;
}

#company .card--history .timeline li::before {
  content: "";
  position: absolute;
  left: var(--tl-circle-left);
  top: 26px;
  width: calc(var(--tl-radius) * 2);
  height: calc(var(--tl-radius) * 2);
  border-radius: 999px;
  background: rgb(31, 111, 235);
  border: 2px solid rgb(31, 111, 235);
}

#company .card--history .timeline time {
  display: block;
  font-weight: 700;
  color: var(--text);
  font-size: 1.02rem;
  margin-bottom: 4px;
  margin-left: 0;
}

#company .card--history .timeline .desc {
  display: block;
  color: var(--text);
  line-height: 1.8;
  margin-left: 0;
}

@media (max-width: 600px) {
  #company .card--history {
    --tl-li-pad: 54px;
    --tl-circle-left: 17px;
    --tl-top: 130px;
    --tl-bottom: 52px;
  }
  #company .card--history .timeline li {
    padding: 16px 0 16px var(--tl-li-pad);
  }
  #company .card--history .timeline li::before {
    top: 22px;
  }
}

/* =========================
   Footer
========================= */
.site-footer {
  padding: 32px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  background: #fff;
}
.footer-inner {
  display: grid;
  gap: 8px;
  place-items: center;
}
.footer-links {
  color: var(--muted);
}
.footer-links a {
  color: #162023;
}

.service-cta {
  position: relative;
  z-index: 2;
  margin: 0.6rem 0 1rem;
}
.cta-btn {
  --cta: #d90a0a;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px 14px 20px;
  border-radius: 9999px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
  background: linear-gradient(180deg, #e01919, var(--cta));
  box-shadow: 0 10px 26px rgba(217, 10, 10, 0.28);
  text-decoration: none;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    filter 0.15s ease;
}
@media (max-width: 520px) {
  .cta-btn {
    width: 100%;
    justify-content: center;
    padding-right: 14px;
    padding-left: 16px;
  }
}

.cta-btn:hover {
  transform: translateY(-1px);
  filter: brightness(0.98);
  box-shadow: 0 14px 30px rgba(184, 8, 8, 0.35);
  text-decoration: none;
}

.cta-btn:active {
  transform: translateY(0);
  filter: brightness(0.96);
}

.cta-btn:focus-visible {
  outline: 3px solid rgba(217, 10, 10, 0.35);
  outline-offset: 2px;
}

.cta-icon {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9999px;
  background: #fff;
  color: var(--cta);
  transition: transform 0.22s ease;
}

.cta-btn:hover .cta-icon {
  transform: translateX(2px);
}

.auto-grid {
  display: grid;
  gap: 64px;
}

.section--with-header {
  padding-top: calc(var(--header-h) + 24px);
}

/* ==========
   採用情報 問い合わせフォーム
   ========== */
.contact-form {
  margin-top: 1.5rem;
}

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

.contact-form .span-2 {
  grid-column: 1 / -1;
}

.contact-form label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
  color: #0f172a;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  background: #f3f4f6;
  border: 1px solid rgba(15, 23, 42, 0.04);
  border-radius: 0.75rem;
  padding: 0.55rem 0.7rem;
  font-size: 1rem;
  line-height: 1.4;
  transition:
    border 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  background: #ffffff;
  border: 1px solid rgba(31, 111, 235, 0.4);
  box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.12);
}

.contact-form textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-form .form-actions {
  margin-top: 1.5rem;
}

.contact-form .btn.primary {
  background: linear-gradient(180deg, #e01919, #d90a0a);
  color: #fff;
  border: none;
  border-radius: 9999px;
  padding: 14px 32px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(217, 10, 10, 0.18);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    filter 0.15s ease;
}

.contact-form .btn.primary:hover {
  transform: translateY(-1px);
  filter: brightness(0.98);
  box-shadow: 0 10px 22px rgba(184, 8, 8, 0.24);
}

.contact-form .btn.primary:active {
  transform: translateY(0);
  filter: brightness(0.96);
}

.contact-form .form-note {
  margin-top: 0.8rem;
  font-size: 0.88rem;
  color: #6b7280;
}

@media (max-width: 820px) {
  .contact-form .form-grid {
    grid-template-columns: 1fr;
  }
  .contact-form .span-2 {
    grid-column: auto;
  }
}

.contact-form .radio-field {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.contact-form .radio-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;

  padding: 0.55rem 0.8rem;
  border-radius: 0.75rem;

  background: #f3f4f6;
  border: 1px solid rgba(15, 23, 42, 0.04);
  cursor: pointer;
  user-select: none;

  transition:
    border 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.contact-form .radio-pill input {
  width: 18px;
  height: 18px;
  accent-color: var(--brand);
}

.contact-form .radio-pill:focus-within {
  background: #ffffff;
  border: 1px solid rgba(31, 111, 235, 0.4);
  box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.12);
}

/* =========================
   個人情報保護方針、情報セキュリティ基本方針
========================= */
.policy-meta {
  text-align: right;
  margin-top: 2rem;
  line-height: 1.9;
  color: var(--muted);
}

/* =========================================================
   見出しの下線を「文字の長さだけ」にするアニメーション
========================================================= */
h2,
h3,
.sec-title {
  position: relative;
  display: inline-block;
  padding-bottom: 0.35em;
}

h2::after,
h3::after,
.sec-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  background: var(--brand);
  border-radius: 9999px;

  transition: width 2s cubic-bezier(0.15, 0.9, 0.3, 1);
}

.reveal.is-visible h2::after,
.reveal.is-visible h3::after,
.reveal.is-visible .sec-title::after {
  width: 100%;
}

/* =========================
   背景の格子模様(グリッド)設定
========================= */
body::before {
  content: "";
  position: fixed;
  inset: -25% -25%;
  pointer-events: none;
  z-index: 0;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(200, 200, 200, var(--grid-alpha, 0.32)) 0 var(--grid-thin, 1px),
      transparent var(--grid-thin, 1px) var(--grid-gap, 120px)
    ),
    repeating-linear-gradient(
      to right,
      rgba(200, 200, 200, var(--grid-alpha, 0.32)) 0 var(--grid-thin, 1px),
      transparent var(--grid-thin, 1px) var(--grid-gap, 120px)
    ),
    repeating-linear-gradient(
      to bottom,
      rgba(200, 200, 200, var(--grid-alpha, 0.32)) 0 var(--grid-thin, 1px),
      transparent var(--grid-thin, 1px) calc(var(--grid-gap, 120px) * 4)
    ),
    repeating-linear-gradient(
      to right,
      rgba(200, 200, 200, var(--grid-alpha, 0.32)) 0 var(--grid-thin, 1px),
      transparent var(--grid-thin, 1px) calc(var(--grid-gap, 120px) * 4)
    );

  clip-path: polygon(
    0% 0%,
    calc(100% - var(--corner-cut, 12vw)) 0%,
    100% var(--corner-cut, 12vw),
    100% 100%,
    var(--corner-cut, 12vw) 100%,
    0% calc(100% - var(--corner-cut, 12vw))
  );

  transform: perspective(var(--grid-perspective, 1200px))
    rotateX(var(--grid-tilt-x, 40deg)) rotateY(var(--grid-tilt-y, 0deg))
    rotate(45deg) translate3d(0, 0, 0);

  animation: gridPan3D var(--grid-speed, 80s) linear infinite;

  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

:root {
  --grid-perspective: 1200px;
  --grid-tilt-x: 40deg;
  --grid-tilt-y: 0deg;
  --grid-speed: 30s;
  --grid-shift-x: -480px;
}

@keyframes gridPan3D {
  from {
    transform: perspective(var(--grid-perspective, 1200px))
      rotateX(var(--grid-tilt-x, 40deg)) rotateY(var(--grid-tilt-y, 0deg))
      rotate(45deg) translate3d(0, 0, 0);
  }
  to {
    transform: perspective(var(--grid-perspective, 1200px))
      rotateX(var(--grid-tilt-x, 40deg)) rotateY(var(--grid-tilt-y, 0deg))
      rotate(45deg) translate3d(var(--grid-shift-x), 0, 0);
  }
}

/* =========================
   浮遊する角丸四角
========================= */
.floating-squares {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;

  transform: perspective(var(--sq-perspective, 1200px))
    rotateX(var(--sq-tilt-x, 12deg)) rotateY(var(--sq-tilt-y, 0deg))
    rotate(45deg) translate3d(var(--sq-offset-x, -150px), 0, 0);

  animation: floatSquares3D var(--sq-speed, 6.5s) ease-in-out infinite alternate;
}

.floating-squares .square {
  position: absolute;
  border-radius: 24px;
  box-shadow: 0 12px 18px rgba(0, 0, 0, 0.12);
  will-change: transform;
  backface-visibility: hidden;
}

.floating-squares .sq1 {
  width: 120px;
  height: 120px;
  left: 20%;
  bottom: 20%;
  background: var(--float-sq-color1);
}

.floating-squares .sq2 {
  width: 200px;
  height: 200px;
  left: 60%;
  bottom: 10%;
  background: var(--float-sq-color1);
}

.floating-squares .sq3 {
  width: 120px;
  height: 120px;
  right: 5%;
  top: 15%;
  background: var(--float-sq-color2);
}

.floating-squares .sq4 {
  width: 180px;
  height: 180px;
  left: 30%;
  top: 15%;
  background: var(--float-sq-color2);
}

.floating-squares .sq5 {
  width: 200px;
  height: 200px;
  left: 30%;
  bottom: 0%;
  background: var(--float-sq-color2);
}

:root {
  --float-sq-color1: #f7faf8;
  --float-sq-color2: #ebf2e9;
  --sq-perspective: 1200px;
  --sq-tilt-x: var(--grid-tilt-x, 12deg);
  --sq-tilt-y: var(--grid-tilt-y, 0deg);
  --sq-bob: 22px;
  --sq-speed: 6.5s;
  --sq-drift-x: -45px;
  --sq-offset-x: -150px;
}

@keyframes floatSquares3D {
  0% {
    transform: perspective(var(--sq-perspective, 1200px))
      rotateX(var(--sq-tilt-x, 12deg)) rotateY(var(--sq-tilt-y, 0deg))
      rotate(45deg) translate3d(var(--sq-offset-x, 0px), 0, 0);
  }
  100% {
    transform: perspective(var(--sq-perspective, 1200px))
      rotateX(var(--sq-tilt-x, 12deg)) rotateY(var(--sq-tilt-y, 0deg))
      rotate(45deg)
      translate3d(
        calc(var(--sq-offset-x, 0px) + var(--sq-drift-x, -14px)),
        calc(var(--sq-bob, 22px) * -1),
        0
      );
  }
}

/* =========================================
   全コンテンツを背景より前面に固定する共通ルール
   - 背景: html::before(=1) / body::before(=0)
   - コンテンツ: z-index:2 に統一
========================================= */
:root {
  --content-z: 2;
}
body > *:not(.site-header):not(.floating-squares) {
  position: relative;
  z-index: var(--content-z);
}