@charset "UTF-8";

/* ==========================================================================
   「今の仕組みを変えずに、DX」推進サービス スタイルシート
   参考デザイン: https://compound.co.jp/lp/ai-advisor/
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 変数定義 & リセット
   -------------------------------------------------------------------------- */
:root {
  --color-primary: #006ac0;
  --color-primary-dark: #004b8d;
  --color-primary-light: #e6f4fb;
  --color-accent: #ff8000;
  --color-accent-hover: #e07000;
  --color-cyan: #1fb9ea;
  --color-cyan-light: #e8f7fd;
  --color-text: #1a1a1a;
  --color-text-sub: #555555;
  --color-text-muted: #777777;
  --color-border: #e2e8f0;
  --color-bg-gray: #f2f5f9;
  --color-bg-blue: #f0f7fd;
  --color-white: #ffffff;
  --color-table-header: #e8edf3;
  --color-table-item: #64748b;
  --font-base: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 80, 160, 0.08);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --container-max: 1200px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

main {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

.sp-only {
  display: none;
}

.pc-only {
  display: block;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* セクションタイトル */
.section-title-wrap {
  text-align: center;
  margin-bottom: 50px;
}

.section-title {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #111111;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.18em;
  margin-top: 8px;
  display: block;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-sub);
  margin-top: 14px;
  line-height: 1.8;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   2. ヘッダー (Header)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  z-index: 1000;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

.site-header__logo-group {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
}

.site-header__brand-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

.site-header__brand-sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-header__menu {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-header__link {
  font-size: 14px;
  font-weight: 500;
  color: #222222;
  position: relative;
  padding: 8px 0;
}

.site-header__link:hover {
  color: var(--color-primary);
}

.site-header__cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(255, 128, 0, 0.3);
  white-space: nowrap;
  transition: all 0.25s ease;
}

.site-header__cta-btn:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(255, 128, 0, 0.4);
}

/* ハンバーガーボタン (SP) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  cursor: pointer;
  z-index: 1002;
  padding: 0;
}

.hamburger span {
  display: block;
  height: 2.5px;
  width: 100%;
  background-color: #222;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.is-active span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   3. ファーストビュー (FV)
   -------------------------------------------------------------------------- */
.fv {
  background-color: #f7fcff;
  position: relative;
  overflow: hidden;
  width: 100%;
}

/* ヒーローキャッチビジュアル */
.fv__hero-visual {
  min-height: 680px;
  padding: 56px 0 44px;
  text-align: left;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.98) 0%, rgba(240, 249, 255, 0.95) 46%, rgba(221, 244, 255, 0.9) 100%);
  border-bottom: 1px solid rgba(0, 106, 192, 0.08);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.fv__hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(0, 106, 192, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 106, 192, 0.08) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 62%, #000 100%);
}

.fv__hero-orb {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(2px);
  pointer-events: none;
}

.fv__hero-orb--one {
  width: 460px;
  height: 460px;
  right: -100px;
  top: -180px;
  background: rgba(31, 185, 234, 0.14);
}

.fv__hero-orb--two {
  width: 260px;
  height: 260px;
  left: 37%;
  bottom: -160px;
  background: rgba(255, 128, 0, 0.1);
}

.fv__hero-inner {
  display: grid;
  grid-template-columns: minmax(440px, 0.92fr) minmax(520px, 1.08fr);
  align-items: center;
  gap: 24px;
}

.fv__hero-copy {
  position: relative;
  z-index: 3;
  padding: 22px 0 18px;
}

.fv__target-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #ffffff;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 700;
  padding: 8px 24px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
  border: 1px solid rgba(0, 106, 192, 0.15);
}

.fv__target-pill-icon {
  font-size: 17px;
}

.fv__eyebrow {
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
  margin-bottom: 10px;
}

.fv__main-title {
  font-size: clamp(35px, 3.25vw, 50px);
  font-weight: 900;
  line-height: 1.3;
  color: #0b2540;
  margin-bottom: 22px;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.fv__main-title .highlight-blue {
  color: var(--color-primary);
  position: relative;
  display: inline-block;
}

.fv__title-line {
  white-space: nowrap;
}

.fv__main-title .highlight-blue::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1px;
  height: 10px;
  z-index: -1;
  border-radius: 999px;
  background: rgba(31, 185, 234, 0.2);
}

.fv__main-title-emphasis {
  color: var(--color-accent);
}

.fv__main-sub {
  font-size: 16.5px;
  color: var(--color-text-sub);
  line-height: 1.9;
  max-width: 590px;
  margin: 0 0 28px;
}

.fv__main-sub strong {
  color: #0b3b60;
}

.fv__hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.fv__primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-width: 230px;
  padding: 15px 24px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, #ff922e, var(--color-accent));
  color: #fff;
  font-weight: 800;
  box-shadow: 0 10px 26px rgba(255, 128, 0, 0.3);
}

.fv__primary-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(255, 128, 0, 0.4);
}

.fv__cta-note {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #3d5b73;
  font-size: 13px;
  font-weight: 700;
}

.fv__cta-note::before {
  content: "✓";
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: #fff;
  background: #18a972;
}

.fv__hero-art {
  min-height: 560px;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.fv__hero-character {
  width: min(760px, 116%);
  max-width: none;
  margin: 0 -5% -42px -4%;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 22px 28px rgba(18, 60, 92, 0.16));
  animation: hero-float 6s ease-in-out infinite;
}

.fv__speech-card {
  position: absolute;
  z-index: 4;
  top: 8px;
  right: -4px;
  width: 245px;
  padding: 20px 22px;
  border: 3px solid var(--color-primary);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.96);
  color: #102d46;
  box-shadow: 0 12px 30px rgba(0, 75, 141, 0.12);
  transform: rotate(1.5deg);
}

.fv__speech-card::after {
  content: "";
  position: absolute;
  left: -19px;
  bottom: 34px;
  width: 30px;
  height: 28px;
  background: #fff;
  border-left: 3px solid var(--color-primary);
  border-bottom: 3px solid var(--color-primary);
  transform: skew(-34deg) rotate(27deg);
}

.fv__speech-kicker {
  display: block;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 3px;
}

.fv__speech-card strong {
  display: block;
  font-size: 21px;
  line-height: 1.5;
}

.fv__status-chip {
  position: absolute;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 154px;
  padding: 10px 14px;
  border: 1px solid rgba(0, 78, 144, 0.12);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.94);
  color: #486175;
  font-size: 11px;
  line-height: 1.35;
  box-shadow: 0 10px 26px rgba(18, 60, 92, 0.13);
  backdrop-filter: blur(8px);
  animation: chip-float 4.5s ease-in-out infinite;
}

.fv__status-chip strong {
  color: #173b58;
  font-size: 13px;
}

.fv__status-chip--excel {
  left: -12px;
  top: 120px;
}

.fv__status-chip--system {
  right: 8px;
  bottom: 92px;
  animation-delay: -2.2s;
}

.fv__status-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 10px;
  background: #168451;
  color: #fff;
  font-weight: 900;
  font-size: 16px;
}

.fv__status-chip--system .fv__status-icon {
  background: var(--color-primary);
}

.fv__art-caption {
  position: absolute;
  z-index: 6;
  left: 50%;
  bottom: -18px;
  transform: translateX(-50%);
  width: max-content;
  max-width: 92%;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: #0b3b60;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(11, 59, 96, 0.22);
}

.fv__art-caption span {
  color: #63d7f7;
}

@keyframes hero-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes chip-float {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-7px) rotate(1deg); }
}

/* シアンバナー */
.fv__cyan-banner {
  background: linear-gradient(135deg, #1fb9ea 0%, #3bc8f5 100%);
  padding: 40px 20px 45px;
  text-align: center;
  color: var(--color-white);
  width: 100%;
}

.fv__banner-title {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 20px;
  line-height: 1.4;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.fv__banner-badge {
  display: inline-block;
  background-color: var(--color-white);
  padding: 12px 36px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  max-width: 100%;
}

.fv__badge-text {
  font-size: 20px;
  font-weight: 700;
  color: #0b3b60;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.fv__badge-text .text-orange {
  color: #ff7300;
  font-size: 22px;
}

.fv__badge-text .text-blue {
  color: var(--color-primary);
  font-size: 22px;
}

/* FV コンテンツエリア */
.fv__content {
  background-color: var(--color-white);
  padding: 70px 0 80px;
  text-align: center;
  width: 100%;
}

.fv__movie-wrap {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto 40px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(16, 45, 70, 0.08);
  border: 1px solid #edf2f7;
  background-color: #0b1324;
}

.fv__movie {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.fv__lead {
  font-size: 22px;
  font-weight: 700;
  color: #222222;
  line-height: 1.6;
  margin-bottom: 50px;
}

.fv__cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1160px;
  margin: 0 auto 50px;
}

.fv-card {
  background-color: var(--color-white);
  border: 1px solid #edf2f7;
  border-radius: 20px;
  padding: 40px 24px;
  box-shadow: 0 10px 30px rgba(0, 80, 160, 0.07);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.fv-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 80, 160, 0.12);
}

.fv-card__icon-wrap {
  width: 80px;
  height: 80px;
  background-color: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--color-primary);
}

.fv-card__title {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.fv-card__desc {
  font-size: 14.5px;
  color: var(--color-text-sub);
  line-height: 1.65;
}

.fv__conclusion {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.7;
  color: #111111;
}

.fv__conclusion-highlight {
  color: var(--color-primary);
  font-size: 26px;
  display: inline;
}

/* --------------------------------------------------------------------------
   4. 仕組みと特長セクション (Concept & Flow)
   -------------------------------------------------------------------------- */
.concept {
  background-color: #f7fbfe;
  padding: 90px 0 100px;
  width: 100%;
  border-top: 1px solid #eef3f8;
  border-bottom: 1px solid #eef3f8;
}

/* 比較対比：従来 vs 本サービス */
.concept__compare-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: 40px;
  margin-bottom: 60px;
}

.concept__compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.compare-col {
  padding: 24px;
  border-radius: var(--radius-md);
}

.compare-col--bad {
  background-color: #fff8f8;
  border: 1.5px dashed #fca5a5;
}

.compare-col--good {
  background-color: #f0fdf9;
  border: 2px solid #10b981;
  position: relative;
}

.compare-col__badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.badge--bad {
  background-color: #fee2e2;
  color: #dc2626;
}

.badge--good {
  background-color: #10b981;
  color: #ffffff;
}

.compare-col__title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 14px;
  color: #111111;
}

.compare-col__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.compare-col__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.6;
}

.compare-col--bad .compare-col__item {
  color: #991b1b;
}

.compare-col--good .compare-col__item {
  color: #065f46;
  font-weight: 600;
}

/* 基本コンセプト：今の仕組みはそのまま・中間自動化 */
.architecture {
  margin-top: 12px;
  padding: 46px 42px 34px;
  border: 1px solid #dce8f1;
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 16px 45px rgba(18, 60, 92, 0.08);
}

.architecture__heading {
  text-align: center;
  margin-bottom: 34px;
}

.architecture__heading-label {
  display: block;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
  margin-bottom: 6px;
}

.architecture__heading h3 {
  color: #102d46;
  font-size: 30px;
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 10px;
}

.architecture__heading p {
  color: var(--color-text-sub);
  font-size: 15px;
}

.architecture__desktop {
  position: relative;
}

.architecture__zone {
  position: absolute;
  top: 0;
  z-index: 3;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.architecture__zone--partner {
  left: 0;
  background: #168451;
}

.architecture__zone--auto {
  left: 43%;
  transform: translateX(-50%);
  background: var(--color-primary);
}

.architecture__zone--core {
  right: 0;
  background: #102d46;
}

.architecture__grid {
  display: grid;
  grid-template-columns: minmax(120px, 0.9fr) 36px minmax(180px, 1.35fr) 36px minmax(145px, 1fr) 36px minmax(145px, 0.95fr);
  grid-template-rows: 116px 38px 106px 38px 116px;
  align-items: stretch;
  padding-top: 40px;
}

.architecture__node {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 0;
  padding: 14px;
  border-radius: 16px;
  text-align: center;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.4;
}

.architecture__node small {
  display: block;
  font-size: 10px;
  font-weight: 700;
  opacity: 0.72;
  margin-bottom: 3px;
}

.architecture__node--excel-in,
.architecture__node--excel-out {
  background: #e8f7ef;
  border: 1px solid #b9e1ca;
  color: #145f3e;
}

.architecture__node--excel-in { grid-area: 1 / 1; }
.architecture__node--excel-out { grid-area: 5 / 1; }

.architecture__node--process-in,
.architecture__node--process-out {
  flex-direction: column;
  gap: 2px;
  background: linear-gradient(135deg, #006ac0, #168fd1);
  color: #fff;
  box-shadow: 0 10px 22px rgba(0, 106, 192, 0.2);
}

.architecture__node--process-in { grid-area: 1 / 3; }
.architecture__node--process-out { grid-area: 5 / 3; }

.architecture__node--process-in strong,
.architecture__node--process-out strong {
  font-size: 16px;
}

.architecture__node--process-in small,
.architecture__node--process-out small {
  opacity: 0.86;
  margin: 2px 0 0;
}

.architecture__step {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  opacity: 0.75;
}

.architecture__node--csv-in,
.architecture__node--csv-out {
  background: #eff5f7;
  border: 1px solid #d9e4e8;
  color: #294b59;
}

.architecture__node--csv-in { grid-area: 1 / 5; }
.architecture__node--csv-out { grid-area: 5 / 5; }

.architecture__node--database {
  grid-area: 3 / 3;
  background: linear-gradient(135deg, #ffb000, #ff8a00);
  color: #fff;
  box-shadow: 0 10px 24px rgba(255, 145, 0, 0.25);
}

.architecture__node--core-system {
  grid-area: 1 / 7 / 6 / 8;
  align-self: center;
  min-height: 182px;
  flex-direction: column;
  background: #102d46;
  color: #fff;
  box-shadow: 0 12px 26px rgba(16, 45, 70, 0.2);
}

.architecture__node--core-system > span:last-child {
  font-size: 17px;
}

.architecture__node-icon {
  display: grid;
  place-items: center;
  flex: 0 0 34px;
  height: 34px;
  border-radius: 9px;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}

.architecture__node-icon--excel {
  background: #168451;
  font-size: 15px;
}

.architecture__node-icon--file {
  background: #5f7d89;
  font-size: 9px;
}

.architecture__core-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.12);
  color: #6fddfa;
  font-size: 27px;
}

.architecture__db-icon {
  width: 34px;
  height: 27px;
  flex: 0 0 34px;
  border: 3px solid #fff;
  border-radius: 50% / 25%;
  position: relative;
}

.architecture__db-icon::after {
  content: "";
  position: absolute;
  left: -3px;
  right: -3px;
  bottom: 5px;
  border-bottom: 3px solid #fff;
  border-radius: 50%;
}

.architecture__nowrap {
  white-space: nowrap;
}

.architecture__arrow,
.architecture__vertical-arrow {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  color: var(--color-primary);
  font-size: 26px;
  font-weight: 900;
}

.architecture__arrow::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 2px;
  right: 2px;
  top: 50%;
  height: 3px;
  border-radius: 3px;
  background: currentColor;
}

.architecture__arrow--in-1 { grid-area: 1 / 2; }
.architecture__arrow--in-2 { grid-area: 1 / 4; }
.architecture__arrow--in-3 { grid-area: 1 / 6; }
.architecture__arrow--out-1 { grid-area: 5 / 2; }
.architecture__arrow--out-2 { grid-area: 5 / 4; }
.architecture__arrow--out-3 { grid-area: 5 / 6; }

.architecture__vertical-arrow--down { grid-area: 2 / 3; }
.architecture__vertical-arrow--up { grid-area: 4 / 3; }

.architecture__footer-label {
  position: absolute;
  bottom: -4px;
  transform: translateY(100%);
  color: #64748b;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
}

.architecture__footer-label span {
  display: inline-block;
  margin-right: 5px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: #e2e8f0;
  color: #475569;
  font-size: 10px;
}

.architecture__footer-label--partner { left: 0; width: 14%; }
.architecture__footer-label--auto { left: 26%; width: 34%; color: var(--color-primary); }
.architecture__footer-label--core { right: 0; width: 15%; }

.architecture__footer-label--auto span {
  background: var(--color-primary);
  color: #fff;
}

.architecture__mobile {
  display: none;
}

.architecture__diagram {
  margin: 10px auto 0;
  max-width: 1040px;
  width: 100%;
  text-align: center;
}

.architecture__diagram-img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(16, 45, 70, 0.06);
}

.architecture__summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: fit-content;
  max-width: 100%;
  margin: 32px auto 0;
  padding: 10px 30px 10px 18px;
  border-radius: 9999px;
  background: #edf5fe;
  border: 1px solid #d4e7fb;
  box-shadow: 0 2px 8px rgba(22, 143, 209, 0.06);
}

.architecture__summary-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #1982e6;
  color: #fff;
  box-shadow: 0 3px 8px rgba(25, 130, 230, 0.28);
}

.architecture__summary-body {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.architecture__summary-title {
  color: #005bab;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.architecture__summary-divider {
  display: inline-block;
  width: 1px;
  height: 16px;
  background: #9ec3e6;
  flex-shrink: 0;
}

.architecture__summary-text {
  color: #213d54;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   5. サービス内容セクション (SERVICES)
   -------------------------------------------------------------------------- */
.services {
  background-color: var(--color-bg-gray);
  padding: 90px 0 100px;
  width: 100%;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 1160px;
  margin: 0 auto;
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.1);
}

.service-card--orange {
  border-top: 5px solid var(--color-accent);
}

.service-card--blue {
  border-top: 5px solid var(--color-primary);
}

.service-card__body {
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-card__top {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 24px;
}

.service-card__icon {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

.service-card--orange .service-card__icon {
  background-color: #fff7ed;
  color: var(--color-accent);
}

.service-card--blue .service-card__icon {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.service-card__title-wrap {
  flex-grow: 1;
}

.service-card__badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-white);
  padding: 4px 14px;
  border-radius: 6px;
  margin-bottom: 8px;
}

.service-card__badge--orange {
  background-color: var(--color-accent);
}

.service-card__badge--blue {
  background-color: var(--color-primary);
}

.service-card__title {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 6px;
}

.service-card__title--orange {
  color: var(--color-accent);
}

.service-card__title--blue {
  color: var(--color-primary);
}

.service-card__price {
  font-size: 17px;
  font-weight: 700;
  color: #111111;
}

.service-card__desc {
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.75;
  margin-bottom: 30px;
}

.service-card__feature-box {
  background-color: #f6f8fb;
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-top: auto;
}

.service-card__feature-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.service-card__feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14.5px;
  font-weight: 500;
  color: #222222;
  line-height: 1.5;
}

.service-card__check-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 14px;
}

.service-card__check-icon--orange {
  color: var(--color-accent);
}

.service-card__check-icon--blue {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   6. 導入実績・デモ事例セクション (CASE STUDIES)
   -------------------------------------------------------------------------- */
.works {
  background-color: var(--color-white);
  padding: 100px 0 110px;
  width: 100%;
}

/* --------------------------------------------------------------------------
   6-1. コスト削減シミュレーション・比較グラフ
   -------------------------------------------------------------------------- */
.cost-sim {
  max-width: 1160px;
  margin: 0 auto 70px;
  background: #ffffff;
  border: 1px solid #dce8f1;
  border-radius: 24px;
  padding: 44px 40px;
  box-shadow: 0 14px 40px rgba(18, 60, 92, 0.07);
}

.cost-sim__header {
  text-align: center;
  margin-bottom: 36px;
}

.cost-sim__label {
  display: inline-block;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  margin-bottom: 6px;
}

.cost-sim__title {
  color: #102d46;
  font-size: 26px;
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 12px;
}

.cost-sim__lead {
  color: var(--color-text-sub);
  font-size: 14.5px;
  line-height: 1.7;
}

.cost-sim__grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 32px;
  align-items: stretch;
}

/* 左カラム：計算パネル */
.cost-sim__calc-panel {
  display: flex;
  flex-direction: column;
  background: #f8fbfe;
  border: 1px solid #e1edf6;
  border-radius: 18px;
  padding: 28px 24px;
}

.cost-sim__calc-heading {
  margin-bottom: 20px;
}

.cost-sim__panel-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: #e2eaf1;
  color: #3b5a75;
  margin-bottom: 6px;
}

.cost-sim__panel-tag--green {
  background: #e6f7ee;
  color: #168451;
}

.cost-sim__calc-heading h4 {
  font-size: 18px;
  font-weight: 800;
  color: #102d46;
}

.cost-sim__flow {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cost-sim__step {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #ffffff;
  border: 1px solid #e5eff6;
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: 0 2px 8px rgba(16, 45, 70, 0.04);
}

.cost-sim__step--result {
  background: #fff8f6;
  border-color: #ffd8cf;
  box-shadow: 0 4px 14px rgba(220, 38, 38, 0.08);
}

.cost-sim__step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #e8f4fc;
  color: var(--color-primary);
  flex-shrink: 0;
}

.cost-sim__step-icon--money {
  background: #fee2e2;
  color: #dc2626;
}

.cost-sim__step-body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.cost-sim__step-name {
  font-size: 12px;
  font-weight: 700;
  color: #64748b;
  margin-bottom: 2px;
}

.cost-sim__step-value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  color: #102d46;
}

.cost-sim__step-value strong {
  font-size: 26px;
  font-weight: 900;
  line-height: 1.1;
  font-family: var(--font-base);
}

.cost-sim__step-value small {
  font-size: 12px;
  font-weight: 700;
  color: #64748b;
}

.cost-sim__step-value--cost strong {
  color: #dc2626;
  font-size: 28px;
}

.cost-sim__step-desc,
.cost-sim__step-sub {
  font-size: 11.5px;
  color: #78909c;
  margin-top: 2px;
}

.cost-sim__step-sub {
  color: #b91c1c;
  font-weight: 700;
}

.cost-sim__flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #8da4b5;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 0;
}

.cost-sim__flow-arrow svg {
  color: var(--color-primary);
}

.cost-sim__scale-box {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed #d1e2ee;
}

.cost-sim__scale-title {
  font-size: 12px;
  font-weight: 800;
  color: #4b667e;
  margin-bottom: 10px;
  text-align: center;
}

.cost-sim__scale-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.cost-sim__scale-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: #ffffff;
  border: 1px solid #dbe8f1;
  border-radius: 10px;
  padding: 10px 6px;
}

.cost-sim__scale-item--focus {
  border-color: #ffb84d;
  background: #fffbf5;
}

.cost-sim__scale-badge {
  font-size: 11px;
  font-weight: 800;
  color: #64748b;
  margin-bottom: 2px;
}

.cost-sim__scale-hours {
  font-size: 10px;
  color: #8da4b5;
  margin-bottom: 4px;
}

.cost-sim__scale-amount {
  font-size: 13px;
  font-weight: 800;
  color: #102d46;
}

.cost-sim__scale-amount small {
  font-size: 10px;
}

.cost-sim__scale-item--focus .cost-sim__scale-amount {
  color: #d97706;
}

/* 右カラム：グラフパネル */
.cost-sim__graph-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #ffffff;
  border: 1px solid #e1edf6;
  border-radius: 18px;
  padding: 28px 26px;
  box-shadow: 0 4px 18px rgba(16, 45, 70, 0.04);
}

.cost-sim__graph-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.cost-sim__graph-title-wrap h4 {
  font-size: 18px;
  font-weight: 800;
  color: #102d46;
  margin-top: 4px;
}

.cost-sim__badge-cut {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, #ff8000, #ff5e00);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 4px 10px rgba(255, 128, 0, 0.3);
}

.cost-sim__chart-card {
  background: #f8fbfe;
  border: 1px solid #e3edf5;
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 16px;
}

.cost-sim__chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 10px;
  flex-wrap: wrap;
}

.cost-sim__chart-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: #102d46;
}

.cost-sim__chart-icon {
  font-size: 16px;
}

.cost-sim__chart-target {
  font-size: 11px;
  color: #64748b;
}

.cost-sim__chart-diff {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: #fee2e2;
  color: #b91c1c;
  font-size: 12px;
  font-weight: 800;
}

.cost-sim__bars-wrapper {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cost-sim__bar-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.cost-sim__bar-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
}

.cost-sim__bar-status {
  color: #64748b;
  font-weight: 600;
}

.cost-sim__bar-num {
  font-weight: 800;
  color: #102d46;
  font-size: 14px;
}

.cost-sim__bar-num.text-blue {
  color: var(--color-primary);
  font-weight: 900;
}

.cost-sim__bar-bg {
  width: 100%;
  height: 18px;
  background: #e9eff5;
  border-radius: 9999px;
  overflow: hidden;
  position: relative;
}

.cost-sim__bar-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.6s ease;
}

.cost-sim__bar-fill--before {
  background: linear-gradient(90deg, #f87171, #ef4444);
}

.cost-sim__bar-fill--after {
  background: linear-gradient(90deg, #006ac0, #1fb9ea);
  min-width: 12px;
}

.cost-sim__note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #edf6fd;
  border: 1px solid #d6e8f8;
  border-radius: 12px;
  padding: 12px 16px;
  margin-top: 4px;
}

.cost-sim__note-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.cost-sim__note p {
  font-size: 12.5px;
  color: #24435b;
  line-height: 1.6;
}

.cost-sim__note strong {
  color: var(--color-primary);
}

.works__list {
  display: flex;
  flex-direction: column;
  gap: 70px;
  max-width: 1160px;
  margin: 0 auto;
}

.work-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
  padding-bottom: 60px;
  border-bottom: 1px solid #edf2f7;
}

.work-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.work-row__info {
  display: flex;
  flex-direction: column;
}

.work-row__header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}

.work-row__badge {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background-color: var(--color-white);
}

.work-row__badge-case {
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
}

.work-row__badge-num {
  font-size: 22px;
  font-weight: 900;
  line-height: 1.1;
}

.work-row__title {
  font-size: 22px;
  font-weight: 800;
  color: #111111;
  line-height: 1.4;
}

.work-row__desc {
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.75;
  margin-bottom: 20px;
}

.work-row__result-box {
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 20px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.work-row__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.work-row__tag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 500;
  color: #4b5563;
  background-color: #f3f4f6;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
}

.work-row__visual {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.visual-mockup-card {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  padding: 20px;
  width: 100%;
  box-shadow: var(--shadow-sm);
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 10px;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
}

.mockup-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: #f8fafc;
  border-radius: 6px;
  margin-bottom: 8px;
  font-size: 13px;
}

.mockup-status {
  color: #10b981;
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   7. 業界別のご提案例 (INDUSTRY SOLUTIONS)
   -------------------------------------------------------------------------- */
.industry {
  background-color: var(--color-bg-gray);
  padding: 90px 0 100px;
  width: 100%;
}

.industry__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 1160px;
  margin: 0 auto 50px;
}

.industry-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}

.industry-card:hover {
  transform: translateY(-4px);
}

.industry-card__header-bar {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1fb9ea 100%);
  color: #ffffff;
  padding: 20px 24px;
}

.industry-card__badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.2);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 8px;
}

.industry-card__title {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
}

.industry-card__content {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.industry-card__desc {
  font-size: 14.5px;
  color: var(--color-text-sub);
  line-height: 1.7;
  margin-bottom: 20px;
}

.industry-card__items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: auto;
}

.industry-card__item {
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
  display: flex;
  align-items: center;
  gap: 8px;
}

.industry-card__item-icon {
  font-size: 15px;
}

.industry__conclusion {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.industry__conclusion p {
  font-size: 20px;
  font-weight: 700;
  color: #111111;
  line-height: 1.7;
}

.industry__conclusion-highlight {
  color: var(--color-primary);
  font-size: 24px;
}

/* --------------------------------------------------------------------------
   8. 他社サービス比較 (SERVICE COMPARISON)
   -------------------------------------------------------------------------- */
.comparison {
  background-color: var(--color-white);
  padding: 90px 0 100px;
  width: 100%;
}

.comparison__table-wrap {
  overflow-x: auto;
  margin: 0 auto 20px;
  max-width: 1080px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  background-color: var(--color-white);
}

.comp-table th, .comp-table td {
  padding: 20px 16px;
  border: 1px solid #e5e7eb;
  font-size: 15px;
}

.comp-table thead th {
  background-color: var(--color-table-header);
  font-size: 16px;
  font-weight: 700;
  color: #111111;
}

.comp-table__header-col {
  background-color: #f8fafc;
  font-weight: 700;
  color: #374151;
  width: 22%;
  text-align: left;
  padding-left: 24px;
}

.comp-table__col-highlight {
  background-color: var(--color-bg-blue) !important;
  border-left: 2px solid var(--color-primary) !important;
  border-right: 2px solid var(--color-primary) !important;
  position: relative;
  font-weight: 700;
}

.comp-table thead th.comp-table__col-highlight {
  background-color: #dbeafe !important;
  color: var(--color-primary-dark);
  font-size: 18px;
}

.comp-badge {
  display: inline-block;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 6px;
}

.comp-mark-ok {
  color: var(--color-primary);
  font-weight: 800;
  display: block;
}

.comp-mark-ng {
  color: #ef4444;
  font-weight: 700;
  display: block;
}

.scroll-note {
  display: none;
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: right;
  margin-bottom: 40px;
}

/* --------------------------------------------------------------------------
   9. CTAブロック (CTA BLOCK)
   -------------------------------------------------------------------------- */
.cta-block {
  background: linear-gradient(135deg, #0b3b60 0%, var(--color-primary) 100%);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  color: var(--color-white);
  max-width: 1080px;
  margin: 60px auto 0;
  box-shadow: 0 16px 36px rgba(0, 106, 192, 0.25);
}

.cta-block__title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.4;
}

.cta-block__desc {
  font-size: 16px;
  color: #e0f2fe;
  line-height: 1.8;
  margin-bottom: 32px;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: 18px;
  font-weight: 800;
  padding: 16px 44px;
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 20px rgba(255, 128, 0, 0.4);
  transition: all 0.25s ease;
}

.btn-cta:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 128, 0, 0.5);
}

/* --------------------------------------------------------------------------
   10. よくあるご質問 (FAQ)
   -------------------------------------------------------------------------- */
.faq-section {
  background-color: var(--color-bg-gray);
  padding: 90px 0 100px;
  width: 100%;
}

.faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.faq-item.is-active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 16.5px;
  font-weight: 700;
  color: #111111;
  gap: 16px;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 800;
  transition: transform 0.25s ease;
}

.faq-item.is-active .faq-icon {
  transform: rotate(180deg);
  background-color: var(--color-primary);
  color: #ffffff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background-color: #fafbfc;
}

.faq-answer__inner {
  padding: 0 28px 22px;
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.8;
}

/* --------------------------------------------------------------------------
   11. フッター (Footer)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #0b1e33;
  color: #a0aec0;
  padding: 70px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px 50px;
  gap: 40px;
}

.site-footer__left {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.site-footer__logo-title {
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
}

.site-footer__logo-sub {
  font-size: 13px;
  color: #94a3b8;
}

.site-footer__official-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 700;
  color: #38bdf8;
}

.site-footer__official-btn:hover {
  text-decoration: underline;
}

.site-footer__right {
  text-align: right;
  font-size: 14px;
  line-height: 1.8;
}

.site-footer__company {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.site-footer__company small {
  display: block;
  font-size: 12px;
  font-weight: normal;
  color: #94a3b8;
  margin-top: 2px;
}

.site-footer__tel a {
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
}

.site-footer__copyright {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12.5px;
  color: #64748b;
}

/* --------------------------------------------------------------------------
   12. レスポンシブ対応 (Media Queries)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .section-title {
    font-size: 28px;
  }

  .fv__hero-visual {
    min-height: auto;
  }

  .fv__hero-inner {
    grid-template-columns: minmax(340px, 0.9fr) minmax(420px, 1.1fr);
    gap: 4px;
  }

  .fv__main-title {
    font-size: 34px;
  }

  .fv__hero-art {
    min-height: 500px;
  }

  .fv__speech-card {
    width: 205px;
    padding: 15px 17px;
  }

  .fv__speech-card strong {
    font-size: 17px;
  }

  .fv__status-chip--excel {
    left: -4px;
  }

  .fv__cards-grid,
  .services__grid,
  .industry__list {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .work-row {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cost-sim {
    padding: 36px 26px;
  }

  .cost-sim__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .architecture {
    padding: 38px 26px 30px;
  }

  .architecture__summary {
    border-radius: 20px;
    padding: 12px 20px;
    width: 100%;
  }

  .architecture__summary-body {
    white-space: normal;
    flex-wrap: wrap;
  }

  .architecture__summary-text {
    white-space: normal;
  }

  .architecture__mobile-route {
    padding: 22px 16px;
    border: 1px solid #dbe7ee;
    border-radius: 18px;
    background: #f8fbfd;
  }

  .architecture__mobile-route h4 {
    color: #102d46;
    font-size: 14px;
    text-align: center;
    margin-bottom: 16px;
  }

  .architecture__mobile-route h4 span {
    display: block;
    color: var(--color-primary);
    font-size: 11px;
    margin-bottom: 3px;
  }

  .architecture__mobile-step {
    padding: 11px 10px;
    border-radius: 10px;
    text-align: center;
    font-size: 12px;
    font-weight: 800;
    line-height: 1.4;
  }

  .architecture__mobile-step small {
    display: block;
    font-size: 9px;
    opacity: 0.7;
  }

  .architecture__mobile-step--fixed {
    background: #e8f7ef;
    color: #145f3e;
  }

  .architecture__mobile-step--auto {
    background: var(--color-primary);
    color: #fff;
  }

  .architecture__mobile-step--hub {
    background: var(--color-accent);
    color: #fff;
  }

  .architecture__mobile-step--core {
    background: #102d46;
    color: #fff;
  }

  .architecture__mobile-arrow {
    color: #6d8797;
    font-size: 18px;
    font-weight: 900;
    line-height: 1.2;
    text-align: center;
  }

  .scroll-note {
    display: block;
  }
}

@media (max-width: 768px) {
  .sp-only {
    display: block;
  }

  .pc-only {
    display: none;
  }

  .site-header {
    height: 60px;
  }

  .site-header__cta-btn {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .site-header__nav {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background-color: #ffffff;
    flex-direction: column;
    padding: 30px 24px;
    gap: 20px;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    z-index: 999;
  }

  .site-header__nav.is-open {
    transform: translateY(0);
  }

  .site-header__menu {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .site-header__nav .site-header__cta-btn {
    display: inline-flex;
    width: 100%;
  }

  .fv__hero-visual {
    padding: 30px 0 42px;
  }

  .fv__hero-visual::before {
    mask-image: linear-gradient(180deg, transparent 0%, #000 45%, #000 100%);
  }

  .fv__hero-inner {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .fv__hero-copy {
    text-align: center;
    padding: 0;
  }

  .fv__target-pill {
    padding: 7px 14px;
    font-size: 11.5px;
    margin-bottom: 13px;
  }

  .fv__eyebrow {
    font-size: 10px;
  }

  .fv__main-title {
    font-size: clamp(20px, 6.4vw, 28px);
    line-height: 1.35;
    margin-bottom: 15px;
  }

  .fv__main-sub {
    font-size: 14px;
    line-height: 1.75;
    margin: 0 auto 20px;
  }

  .fv__hero-actions {
    justify-content: center;
    gap: 12px;
  }

  .fv__primary-cta {
    width: min(100%, 340px);
  }

  .fv__hero-art {
    min-height: 410px;
    width: 100%;
    margin-top: 4px;
  }

  .fv__hero-character {
    width: min(610px, 126%);
    margin: 0 -13% -23px;
  }

  .fv__speech-card {
    top: 4px;
    right: 0;
    width: 174px;
    padding: 12px 14px;
    border-width: 2px;
    border-radius: 19px;
  }

  .fv__speech-card::after {
    border-width: 0 0 2px 2px;
  }

  .fv__speech-kicker {
    font-size: 10px;
  }

  .fv__speech-card strong {
    font-size: 14px;
  }

  .fv__status-chip {
    min-width: 132px;
    padding: 8px 10px;
  }

  .fv__status-chip--excel {
    left: 0;
    top: 82px;
  }

  .fv__status-chip--system {
    right: 0;
    bottom: 58px;
  }

  .fv__status-icon {
    width: 29px;
    height: 29px;
    flex-basis: 29px;
  }

  .fv__art-caption {
    bottom: -18px;
    font-size: 10px;
    padding: 8px 12px;
    text-align: center;
  }

  .fv__cyan-banner {
    padding: 30px 16px 35px;
  }

  .fv__banner-title {
    font-size: 22px;
  }

  .fv__banner-badge {
    padding: 10px 18px;
  }

  .fv__badge-text {
    font-size: 15px;
  }

  .fv__badge-text .text-orange,
  .fv__badge-text .text-blue {
    font-size: 17px;
  }

  .fv__content {
    padding: 48px 0 60px;
  }

  .fv__movie-wrap {
    margin-bottom: 24px;
    border-radius: 12px;
  }

  .fv__lead {
    font-size: 17px;
    margin-bottom: 30px;
  }

  .fv-card {
    padding: 30px 18px;
  }

  .fv__conclusion {
    font-size: 17px;
  }

  .fv__conclusion-highlight {
    font-size: 20px;
  }

  .architecture {
    margin-left: -8px;
    margin-right: -8px;
    padding: 30px 16px 24px;
    border-radius: 18px;
  }

  .architecture__heading {
    margin-bottom: 24px;
  }

  .architecture__heading h3 {
    font-size: 24px;
  }

  .architecture__heading p {
    font-size: 13px;
    line-height: 1.75;
  }

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

  .architecture__mobile-route {
    padding: 20px;
  }

  .architecture__summary {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 12px;
    margin-top: 24px;
    padding: 14px 16px;
    border-radius: 16px;
    text-align: left;
  }

  .architecture__summary-icon {
    width: 32px;
    height: 32px;
    margin-top: 2px;
  }

  .architecture__summary-icon svg {
    width: 18px;
    height: 18px;
  }

  .architecture__summary-body {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .architecture__summary-divider {
    display: none;
  }

  .architecture__summary-title {
    font-size: 15px;
  }

  .architecture__summary-text {
    font-size: 13px;
    line-height: 1.6;
  }

  .cost-sim {
    padding: 28px 16px;
    border-radius: 18px;
    margin-bottom: 50px;
  }

  .cost-sim__title {
    font-size: 20px;
  }

  .cost-sim__lead {
    font-size: 13px;
  }

  .cost-sim__calc-panel,
  .cost-sim__graph-panel {
    padding: 20px 14px;
    border-radius: 14px;
  }

  .cost-sim__step {
    padding: 12px 14px;
    gap: 12px;
  }

  .cost-sim__step-value strong {
    font-size: 22px;
  }

  .cost-sim__step-value--cost strong {
    font-size: 24px;
  }

  .cost-sim__scale-items {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .cost-sim__scale-item {
    flex-direction: row;
    justify-content: space-between;
    padding: 8px 14px;
  }

  .cost-sim__scale-hours {
    margin-bottom: 0;
  }

  .cost-sim__chart-card {
    padding: 14px 12px;
  }

  .cost-sim__chart-title {
    font-size: 13px;
  }

  .cost-sim__bar-meta {
    font-size: 11.5px;
  }

  .cost-sim__bar-num {
    font-size: 13px;
  }

  .cta-block {
    padding: 40px 20px;
  }

  .cta-block__title {
    font-size: 21px;
  }

  .btn-cta {
    font-size: 16px;
    padding: 14px 28px;
    width: 100%;
  }

  .site-footer__inner {
    flex-direction: column;
    text-align: center;
    gap: 30px;
  }

  .site-footer__right {
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fv__hero-character,
  .fv__status-chip {
    animation: none;
  }
}