@charset "UTF-8";
/* =============================================================
   AIシステム導入支援ページ固有CSS (/agent/ai-agent)
   ============================================================= */

  :root {
    --c-white: #FFFFFF;
    --c-light-blue: #E0F2FE;
    --c-pale-blue: #F0F9FF;
    --c-sky-blue: #7DD3FC;
    --c-blue: #0086CC;
    --c-blue-deep: #065986;
    --c-blue-dark: #0C4A6E;
    --c-ink: #0F172A;
    --c-gray-900: #1E293B;
    --c-gray-700: #475569;
    --c-gray-500: #94A3B8;
    --c-gray-300: #CBD5E1;
    --c-gray-100: #F1F5F9;
    --c-accent: #FBBF24;
    --c-green: #10B981;
    --c-red: #EF4444;

    --f-jp: 'Zen Kaku Gothic New', sans-serif;
    --f-en: 'Outfit', sans-serif;

    --max-w: 1280px;
    --gutter: clamp(20px, 4vw, 56px);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--f-jp);
    font-weight: 400;
    color: var(--c-ink);
    background: var(--c-white);
    line-height: 1.9;
    -webkit-font-smoothing: antialiased;
    font-feature-settings: "palt";
    letter-spacing: 0.02em;
    overflow-x: hidden;
  }
  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }

  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
      radial-gradient(ellipse at top right, rgba(125, 211, 252, 0.15), transparent 60%),
      radial-gradient(ellipse at bottom left, rgba(224, 242, 254, 0.6), transparent 60%),
      linear-gradient(180deg, #F8FCFF 0%, #FFFFFF 100%);
    z-index: -1;
    pointer-events: none;
  }

  /* Header */
  .site-header {
    position: fixed;
    top: 16px; left: 16px; right: 16px;
    z-index: 100;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 100px;
    box-shadow: 0 8px 32px rgba(6, 89, 134, 0.08);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .site-header__inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .logo { display: flex; align-items: center; gap: 10px; }
  .logo__mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-blue-deep) 100%);
    color: var(--c-white);
    font-family: var(--f-en); font-weight: 700; font-size: 18px;
    border-radius: 10px;
    position: relative; overflow: hidden;
  }
  .logo__mark::before {
    content: ''; position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.6s;
  }
  .logo:hover .logo__mark::before { left: 100%; }
  .logo__text {
    font-family: var(--f-en);
    font-size: 20px; font-weight: 700;
    color: var(--c-blue-deep);
    letter-spacing: 0.04em;
  }
  .nav { display: flex; align-items: center; gap: 4px; font-size: 15px; font-weight: 500; }
  .nav > a { color: var(--c-gray-700); padding: 8px 16px; border-radius: 100px; transition: all 0.3s; }
  .nav > a:hover { color: var(--c-blue); background: rgba(224, 242, 254, 0.6); }
  .nav > a.current { color: var(--c-blue); }
  .nav__cta {
    margin-left: 12px;
    background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-blue-deep) 100%);
    color: var(--c-white) !important;
    padding: 10px 22px !important;
    border-radius: 100px;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(0, 134, 204, 0.3);
    transition: all 0.3s;
  }
  .nav__cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0, 134, 204, 0.4); }
  .hamburger { display: none; }

  /* Breadcrumb */
  .breadcrumb { padding-top: 96px; padding-bottom: 0; }
  .breadcrumb__inner {
    max-width: var(--max-w); margin: 0 auto; padding: 20px var(--gutter);
    font-size: 14px; color: var(--c-gray-500);
    font-family: var(--f-en); letter-spacing: 0.05em;
  }
  .breadcrumb a { color: var(--c-gray-700); transition: color 0.2s; }
  .breadcrumb a:hover { color: var(--c-blue); }
  .breadcrumb span.sep { margin: 0 12px; color: var(--c-gray-300); }
  .breadcrumb span.current { color: var(--c-blue-deep); font-weight: 600; }

  /* Hero */
  .hero { padding: 40px 0 120px; position: relative; overflow: hidden; }
  .hero__orbs { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
  .orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.5; animation: orbFloat 15s ease-in-out infinite; }
  .orb-1 {
    width: 500px; height: 500px;
    top: -100px; right: -150px;
    background: radial-gradient(circle, rgba(125, 211, 252, 0.6), transparent);
  }
  .orb-2 {
    width: 400px; height: 400px;
    bottom: -100px; left: -100px;
    background: radial-gradient(circle, rgba(224, 242, 254, 0.8), transparent);
    animation-delay: 3s;
  }
  @keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
  }

  .hero__inner { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); position: relative; z-index: 2; }
  .hero__badges {
    display: flex; flex-wrap: wrap; gap: 10px;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.1s both;
  }
  .hero__badge {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 10px 22px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 134, 204, 0.15);
    border-radius: 100px;
    font-size: 13px; font-weight: 600;
    color: var(--c-blue-deep);
    font-family: var(--f-en); letter-spacing: 0.1em;
  }
  .hero__badge--accent {
    background: linear-gradient(135deg, var(--c-accent) 0%, #F59E0B 100%);
    color: var(--c-white);
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(251, 191, 36, 0.3);
  }
  .hero__badge-dot {
    width: 8px; height: 8px;
    background: var(--c-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
  }
  @keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.6; transform: scale(1.2); } }

  .hero__title {
    font-family: var(--f-jp);
    font-size: clamp(36px, 5.5vw, 76px);
    font-weight: 900; line-height: 1.25;
    letter-spacing: -0.01em;
    margin-bottom: 32px;
    color: var(--c-blue-dark);
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
  }
  .hero__title em {
    font-style: normal; font-family: var(--f-jp); font-weight: 900;
    background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-sky-blue) 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  @keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

  .hero__lead {
    font-size: clamp(18px, 1.6vw, 23px);
    line-height: 2.1;
    max-width: 860px;
    color: var(--c-gray-700);
    margin-bottom: 56px;
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
  }

  .hero__meta {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
  }
  .hero-meta-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 28px 32px;
    transition: all 0.4s;
    position: relative; overflow: hidden;
  }
  .hero-meta-card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 50%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), transparent);
    pointer-events: none;
  }
  .hero-meta-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(6, 89, 134, 0.1); }
  .hero-meta-card__label {
    font-family: var(--f-en); font-size: 12px; letter-spacing: 0.2em;
    color: var(--c-blue); font-weight: 600;
    margin-bottom: 10px; position: relative; z-index: 2;
  }
  .hero-meta-card__value {
    font-family: var(--f-en);
    font-size: 36px; font-weight: 700;
    color: var(--c-blue-dark); line-height: 1.2;
    position: relative; z-index: 2;
  }
  .hero-meta-card__value .unit { font-size: 16px; color: var(--c-gray-700); margin-left: 4px; font-weight: 500; }

  /* Section Common */
  .section { padding: 140px 0; position: relative; }
  .section__inner { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); }
  .section__head { margin-bottom: 72px; text-align: center; max-width: 820px; margin-left: auto; margin-right: auto; }
  .section__num {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--f-en); font-size: 13px;
    letter-spacing: 0.25em; color: var(--c-blue);
    font-weight: 600; margin-bottom: 20px;
  }
  .section__num::before { content: ''; width: 28px; height: 1px; background: var(--c-blue); }
  .section__title {
    font-family: var(--f-jp);
    font-size: clamp(30px, 4vw, 52px);
    font-weight: 900; line-height: 1.35;
    letter-spacing: -0.01em;
    color: var(--c-blue-dark);
    margin-bottom: 28px;
  }
  .section__title em {
    font-style: normal; font-family: var(--f-jp); font-weight: 900;
    background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-sky-blue) 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .section__lead { font-size: 19px; line-height: 2.1; color: var(--c-gray-700); max-width: 860px; margin: 0 auto; }

  /* Overview */
  .overview__cards {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
    margin-top: 60px;
  }
  .overview-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 24px;
    padding: 44px 38px;
    transition: all 0.4s;
    position: relative; overflow: hidden;
  }
  .overview-card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 50%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), transparent);
    pointer-events: none;
  }
  .overview-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(6, 89, 134, 0.1); }
  .overview-card__icon {
    width: 56px; height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--c-light-blue) 0%, var(--c-sky-blue) 100%);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 24px;
    position: relative; z-index: 2;
  }
  .overview-card__icon svg { width: 28px; height: 28px; }
  .overview-card__title {
    font-family: var(--f-jp); font-size: 22px; font-weight: 700;
    color: var(--c-blue-dark); margin-bottom: 16px; line-height: 1.5;
    position: relative; z-index: 2;
  }
  .overview-card__desc {
    font-size: 17px; line-height: 2.05;
    color: var(--c-gray-700);
    position: relative; z-index: 2;
  }

  /* Differentiation */
  .diff {
    background: linear-gradient(180deg, transparent, rgba(224, 242, 254, 0.4));
  }
  .diff__grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
    margin-top: 60px;
  }
  .diff-card {
    border-radius: 28px;
    padding: 44px 38px;
    position: relative; overflow: hidden;
    transition: all 0.4s;
    display: flex; flex-direction: column;
  }
  .diff-card--ghost {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.8);
  }
  .diff-card--ghost::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 40%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent);
    pointer-events: none;
  }
  .diff-card--featured {
    background: linear-gradient(135deg, var(--c-blue-deep) 0%, var(--c-blue) 100%);
    color: var(--c-white);
    box-shadow: 0 20px 48px rgba(0, 134, 204, 0.3);
  }
  .diff-card--featured::before {
    content: ''; position: absolute;
    top: -80px; right: -80px;
    width: 240px; height: 240px;
    background: radial-gradient(circle, rgba(125, 211, 252, 0.3), transparent 70%);
    pointer-events: none;
  }
  .diff-card:hover { transform: translateY(-6px); }
  .diff-card__badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--c-accent);
    color: var(--c-blue-dark);
    font-family: var(--f-en);
    font-size: 11px; letter-spacing: 0.15em;
    font-weight: 700;
    border-radius: 100px;
    margin-bottom: 20px;
    align-self: flex-start;
    position: relative; z-index: 2;
  }
  .diff-card__label {
    font-family: var(--f-en); font-size: 12px;
    letter-spacing: 0.2em; font-weight: 600;
    margin-bottom: 12px;
    position: relative; z-index: 2;
  }
  .diff-card--ghost .diff-card__label { color: var(--c-gray-500); }
  .diff-card--featured .diff-card__label { color: var(--c-sky-blue); }
  .diff-card__title {
    font-family: var(--f-jp); font-size: 22px; font-weight: 700;
    margin-bottom: 16px; line-height: 1.5;
    position: relative; z-index: 2;
  }
  .diff-card--ghost .diff-card__title { color: var(--c-blue-dark); }
  .diff-card--featured .diff-card__title { color: var(--c-white); }
  .diff-card__desc {
    font-size: 16px; line-height: 2;
    margin-bottom: 24px; flex-grow: 1;
    position: relative; z-index: 2;
  }
  .diff-card--ghost .diff-card__desc { color: var(--c-gray-700); }
  .diff-card--featured .diff-card__desc { color: rgba(255,255,255,0.9); }
  .diff-card__link {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--f-en); font-size: 13px;
    font-weight: 600; letter-spacing: 0.08em;
    transition: gap 0.3s;
    position: relative; z-index: 2;
  }
  .diff-card--ghost .diff-card__link { color: var(--c-blue); }
  .diff-card--featured .diff-card__link { color: var(--c-sky-blue); }
  .diff-card__link:hover { gap: 12px; }

  /* Reveal animations */
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    filter: blur(6px);
    transition: opacity 0.9s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.9s cubic-bezier(0.4, 0, 0.2, 1),
                filter 0.9s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .reveal.is-visible { opacity: 1; transform: translateY(0); filter: blur(0); }
  .reveal-stagger > * {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .reveal-stagger.is-visible > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0.05s; }
  .reveal-stagger.is-visible > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.15s; }
  .reveal-stagger.is-visible > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.25s; }
  .reveal-stagger.is-visible > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.35s; }
  .reveal-stagger.is-visible > *:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.45s; }
  .reveal-stagger.is-visible > *:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.55s; }

  /* Services Provided */
  .services__grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
    margin-top: 60px;
  }
  .service-block {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 28px;
    padding: 48px 40px;
    transition: all 0.4s;
    position: relative; overflow: hidden;
  }
  .service-block::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 45%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent);
    pointer-events: none;
  }
  .service-block--main {
    background: linear-gradient(135deg, var(--c-blue-deep) 0%, var(--c-blue) 100%);
    color: var(--c-white);
    border-color: transparent;
    grid-column: 1 / -1;
    box-shadow: 0 20px 48px rgba(0, 134, 204, 0.3);
  }
  .service-block--main::before {
    content: ''; position: absolute;
    top: -100px; right: -100px;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(125, 211, 252, 0.3), transparent 70%);
    pointer-events: none;
  }
  .service-block:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(6, 89, 134, 0.15); }
  .service-block--main:hover { box-shadow: 0 24px 56px rgba(0, 134, 204, 0.4); }
  .service-block__head {
    display: flex; align-items: center; gap: 20px;
    margin-bottom: 24px;
    position: relative; z-index: 2;
  }
  .service-block__icon {
    width: 64px; height: 64px;
    flex-shrink: 0;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--c-light-blue) 0%, var(--c-sky-blue) 100%);
    display: flex; align-items: center; justify-content: center;
  }
  .service-block--main .service-block__icon {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
  }
  .service-block__icon svg { width: 30px; height: 30px; }
  .service-block--main .service-block__icon svg { stroke: var(--c-white); }
  .service-block__heading { flex-grow: 1; }
  .service-block__label {
    font-family: var(--f-en); font-size: 12px; letter-spacing: 0.2em;
    color: var(--c-blue); font-weight: 600; margin-bottom: 6px;
  }
  .service-block--main .service-block__label { color: var(--c-sky-blue); }
  .service-block__title {
    font-family: var(--f-jp); font-weight: 700; line-height: 1.4;
    font-size: 24px; color: var(--c-blue-dark);
  }
  .service-block--main .service-block__title {
    font-size: 32px; color: var(--c-white);
  }
  .service-block__main-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--c-accent);
    color: var(--c-blue-dark);
    font-family: var(--f-en);
    font-size: 10px; letter-spacing: 0.15em;
    font-weight: 700;
    border-radius: 100px;
    margin-left: 12px;
    vertical-align: middle;
  }
  .service-block__desc {
    font-size: 17px; line-height: 2.05;
    color: var(--c-gray-700);
    margin-bottom: 24px;
    position: relative; z-index: 2;
  }
  .service-block--main .service-block__desc {
    color: rgba(255,255,255,0.9);
    font-size: 18px;
  }
  .service-block__features {
    list-style: none;
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
    position: relative; z-index: 2;
  }
  .service-block--main .service-block__features { grid-template-columns: repeat(4, 1fr); }
  .service-block__features li {
    padding: 12px 16px;
    background: rgba(0, 134, 204, 0.06);
    border-radius: 10px;
    font-size: 15px;
    color: var(--c-blue-deep);
    font-weight: 600;
    text-align: center;
  }
  .service-block--main .service-block__features li {
    background: rgba(255,255,255,0.1);
    color: var(--c-white);
    border: 1px solid rgba(255,255,255,0.15);
  }

  /* Use Cases */
  .usecases {
    background: linear-gradient(180deg, transparent, rgba(224, 242, 254, 0.4));
  }
  .usecases__grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px;
    margin-top: 60px;
  }
  .usecase-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 28px;
    padding: 44px 40px;
    transition: all 0.4s;
    position: relative; overflow: hidden;
    display: flex; flex-direction: column;
  }
  .usecase-card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 40%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), transparent);
    pointer-events: none;
  }
  .usecase-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(6, 89, 134, 0.12); }
  .usecase-card__head {
    display: flex; align-items: center; gap: 16px;
    margin-bottom: 24px;
    position: relative; z-index: 2;
  }
  .usecase-card__icon {
    width: 56px; height: 56px; flex-shrink: 0;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--c-light-blue) 0%, var(--c-sky-blue) 100%);
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
  }
  .usecase-card__titles { flex-grow: 1; }
  .usecase-card__label {
    font-family: var(--f-en); font-size: 11px; letter-spacing: 0.2em;
    color: var(--c-blue); font-weight: 600; margin-bottom: 4px;
  }
  .usecase-card__title {
    font-family: var(--f-jp); font-size: 20px; font-weight: 700;
    color: var(--c-blue-dark); line-height: 1.4;
  }
  .usecase-card__flow {
    position: relative; z-index: 2;
    background: linear-gradient(135deg, var(--c-blue-deep) 0%, var(--c-blue) 100%);
    border-radius: 20px;
    padding: 24px 22px;
    color: var(--c-white);
    overflow: hidden;
    margin-bottom: 24px;
  }
  .usecase-card__flow::before {
    content: ''; position: absolute;
    top: -40px; right: -40px;
    width: 160px; height: 160px;
    background: radial-gradient(circle, rgba(125, 211, 252, 0.3), transparent 70%);
    pointer-events: none;
  }
  .usecase-card__flow-label {
    font-family: var(--f-en); font-size: 10px; letter-spacing: 0.2em;
    color: var(--c-sky-blue); font-weight: 600; margin-bottom: 14px;
    position: relative; z-index: 2;
  }
  .usecase-card__flow-list {
    list-style: none;
    display: flex; flex-direction: column; gap: 6px;
    position: relative; z-index: 2;
  }
  .usecase-card__flow-list li {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 14px;
    background: rgba(255,255,255,0.12);
    border-radius: 8px;
    font-size: 14px; line-height: 1.55;
    border-left: 2px solid var(--c-sky-blue);
  }
  .usecase-card__flow-num {
    width: 20px; height: 20px; flex-shrink: 0;
    border-radius: 50%;
    background: var(--c-sky-blue); color: var(--c-blue-deep);
    font-family: var(--f-en); font-size: 10px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
  }
  .usecase-card__effect {
    position: relative; z-index: 2;
    padding: 16px 20px;
    background: rgba(16, 185, 129, 0.08);
    border-left: 3px solid var(--c-green);
    border-radius: 10px;
    font-size: 15.5px;
    color: var(--c-gray-900);
    line-height: 1.75;
    margin-top: auto;
  }
  .usecase-card__effect strong {
    color: var(--c-green); font-weight: 700;
  }

  /* Process */
  .process__list {
    display: flex; flex-direction: column; gap: 16px;
    margin-top: 60px;
  }
  .process-step {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 24px;
    padding: 36px 40px;
    display: grid;
    grid-template-columns: 80px 1.2fr 2fr;
    gap: 32px;
    align-items: center;
    transition: all 0.3s;
    position: relative; overflow: hidden;
  }
  .process-step::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 40%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent);
    pointer-events: none;
  }
  .process-step:hover {
    transform: translateX(6px);
    box-shadow: 0 12px 32px rgba(6, 89, 134, 0.1);
  }
  .process-step__num {
    font-family: var(--f-en);
    font-size: 52px; font-weight: 700;
    background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-sky-blue) 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    line-height: 1;
    position: relative; z-index: 2;
    letter-spacing: -0.02em;
  }
  .process-step__heading { position: relative; z-index: 2; }
  .process-step__en {
    font-family: var(--f-en); font-size: 12px;
    letter-spacing: 0.2em; color: var(--c-blue);
    font-weight: 600; margin-bottom: 8px;
  }
  .process-step__title {
    font-family: var(--f-jp); font-size: 20px; font-weight: 700;
    color: var(--c-blue-dark); line-height: 1.5;
  }
  .process-step__body { position: relative; z-index: 2; }
  .process-step__desc {
    font-size: 17px; line-height: 2;
    color: var(--c-gray-700);
    margin-bottom: 12px;
  }
  .process-step__tags {
    display: flex; flex-wrap: wrap; gap: 6px;
  }
  .process-step__tag {
    font-family: var(--f-en);
    font-size: 12px; font-weight: 600;
    padding: 5px 12px;
    background: rgba(0, 134, 204, 0.08);
    color: var(--c-blue);
    border-radius: 100px;
  }

  /* Tools We Handle */
  .tools {
    background: linear-gradient(180deg, transparent, rgba(224, 242, 254, 0.3));
  }
  .tools__grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
    margin-top: 60px;
  }
  .tool-category {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 24px;
    padding: 36px 30px;
    transition: all 0.3s;
    position: relative; overflow: hidden;
  }
  .tool-category::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 50%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent);
    pointer-events: none;
  }
  .tool-category:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(6, 89, 134, 0.1); }
  .tool-category__label {
    font-family: var(--f-en); font-size: 11px; letter-spacing: 0.2em;
    color: var(--c-blue); font-weight: 600; margin-bottom: 8px;
    position: relative; z-index: 2;
  }
  .tool-category__title {
    font-family: var(--f-jp); font-size: 18px; font-weight: 700;
    color: var(--c-blue-dark);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(0, 134, 204, 0.15);
    position: relative; z-index: 2;
  }
  .tool-category__list {
    list-style: none; position: relative; z-index: 2;
    display: flex; flex-direction: column; gap: 10px;
  }
  .tool-category__list li {
    font-size: 15.5px; line-height: 1.55;
    color: var(--c-gray-900);
    font-weight: 600;
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 14px;
    background: rgba(0, 134, 204, 0.04);
    border-radius: 8px;
  }
  .tool-category__list li span {
    font-family: var(--f-en);
    font-size: 11px; color: var(--c-gray-500); font-weight: 500;
  }
  .tools__note {
    margin-top: 40px;
    text-align: center;
    font-size: 15px; color: var(--c-gray-700);
  }
  .tools__note em { font-style: normal; color: var(--c-blue); font-weight: 700; }

  /* Plans */
  .plans__notice {
    text-align: center;
    font-size: 16px;
    color: var(--c-gray-700);
    margin-bottom: 40px;
  }
  .plans__notice em {
    font-style: normal; color: var(--c-blue); font-weight: 700;
  }
  .plan-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 20px;
  }
  .plan-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 28px;
    padding: 40px 26px 32px;
    display: flex; flex-direction: column;
    position: relative; overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .plan-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 50%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), transparent);
    pointer-events: none;
  }
  .plan-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(6, 89, 134, 0.12); }
  .plan-card--featured {
    background: linear-gradient(135deg, var(--c-blue-deep) 0%, var(--c-blue) 100%);
    border-color: transparent;
    color: var(--c-white);
    box-shadow: 0 20px 48px rgba(0, 134, 204, 0.3);
  }
  .plan-card--featured::before {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.15), transparent);
  }
  .plan-card--featured::after {
    content: '';
    position: absolute;
    top: -100px; right: -80px;
    width: 280px; height: 280px;
    background: radial-gradient(circle, rgba(255,255,255,0.15), transparent 70%);
    pointer-events: none;
  }
  .plan-card__monitor-badge {
    position: absolute;
    top: 20px; right: 20px;
    background: var(--c-accent);
    color: var(--c-blue-dark);
    font-family: var(--f-en);
    font-size: 11px; letter-spacing: 0.12em;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 100px;
    z-index: 3;
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.4);
  }
  .plan-card__label {
    font-family: var(--f-en); font-size: 12px; letter-spacing: 0.2em;
    color: var(--c-blue); font-weight: 600; margin-bottom: 12px;
    position: relative; z-index: 2;
  }
  .plan-card--featured .plan-card__label { color: var(--c-sky-blue); }
  .plan-card__name {
    font-family: var(--f-jp); font-size: 22px; font-weight: 700;
    color: var(--c-blue-dark); margin-bottom: 20px; line-height: 1.3;
    position: relative; z-index: 2;
  }
  .plan-card--featured .plan-card__name { color: var(--c-white); }
  .plan-card__price {
    padding: 20px 0;
    border-top: 1px solid rgba(0,0,0,0.08);
    border-bottom: 1px solid rgba(0,0,0,0.08);
    margin-bottom: 24px;
    text-align: center;
    position: relative; z-index: 2;
  }
  .plan-card--featured .plan-card__price { border-color: rgba(255,255,255,0.2); }
  .plan-card__price-num {
    font-family: var(--f-en);
    font-size: 44px; font-weight: 700;
    color: var(--c-blue-dark); line-height: 1;
  }
  .plan-card--featured .plan-card__price-num { color: var(--c-white); }
  .plan-card__price-num .yen {
    font-family: var(--f-jp);
    font-size: 18px; margin-left: 2px; font-weight: 600;
  }
  .plan-card__price-unit {
    display: block;
    font-size: 13px; color: var(--c-gray-500);
    margin-top: 8px; letter-spacing: 0.08em;
  }
  .plan-card--featured .plan-card__price-unit { color: rgba(255,255,255,0.7); }
  .plan-card__monitor-price {
    display: block; margin-top: 6px;
    font-family: var(--f-en); font-size: 12px;
    color: var(--c-accent); font-weight: 700;
  }
  .plan-card__spec {
    display: flex; justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
    color: var(--c-gray-700);
    position: relative; z-index: 2;
  }
  .plan-card--featured .plan-card__spec { color: rgba(255,255,255,0.85); }
  .plan-card__spec-label {
    font-family: var(--f-en);
    font-size: 11px; letter-spacing: 0.08em;
    color: var(--c-gray-500);
  }
  .plan-card--featured .plan-card__spec-label { color: var(--c-sky-blue); }
  .plan-card__spec-value { font-weight: 600; }
  .plan-card__features-label {
    font-family: var(--f-en); font-size: 11px; letter-spacing: 0.2em;
    color: var(--c-blue); font-weight: 600;
    margin: 20px 0 12px;
    position: relative; z-index: 2;
  }
  .plan-card--featured .plan-card__features-label { color: var(--c-sky-blue); }
  .plan-card__features {
    list-style: none; margin-bottom: 24px;
    flex-grow: 1;
    position: relative; z-index: 2;
  }
  .plan-card__features li {
    padding: 9px 0 9px 22px;
    font-size: 14.5px; line-height: 1.75;
    color: var(--c-gray-900);
    position: relative;
  }
  .plan-card--featured .plan-card__features li { color: rgba(255,255,255,0.9); }
  .plan-card__features li::before {
    content: '';
    position: absolute; left: 0; top: 14px;
    width: 10px; height: 10px;
    border: 2px solid var(--c-blue);
    border-radius: 50%;
    background: var(--c-white);
  }
  .plan-card--featured .plan-card__features li::before {
    border-color: var(--c-sky-blue);
    background: transparent;
  }
  .plan-card__target {
    padding: 14px 16px;
    background: rgba(224, 242, 254, 0.5);
    border-radius: 12px;
    position: relative; z-index: 2;
  }
  .plan-card--featured .plan-card__target {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
  }
  .plan-card__target-label {
    font-family: var(--f-en); font-size: 10px;
    letter-spacing: 0.2em; color: var(--c-blue);
    font-weight: 700; margin-bottom: 4px;
  }
  .plan-card--featured .plan-card__target-label { color: var(--c-accent); }
  .plan-card__target-text {
    font-size: 14px; line-height: 1.65;
    color: var(--c-blue-dark); font-weight: 600;
  }
  .plan-card--featured .plan-card__target-text { color: var(--c-white); }

  .plans__footer {
    margin: 48px auto 0;
    padding: 24px 40px;
    text-align: center;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 32px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px 32px;
    max-width: 960px;
    font-size: 16px;
    color: var(--c-gray-700);
    border: 1px solid rgba(0, 134, 204, 0.1);
  }
  .plans__footer > span { white-space: nowrap; }
  .plans__footer strong { color: var(--c-blue); font-weight: 700; }

  /* Subsidy */
  .subsidy {
    background: linear-gradient(180deg, transparent, rgba(251, 191, 36, 0.08), transparent);
  }
  .subsidy__hero {
    background: linear-gradient(135deg, var(--c-blue-deep) 0%, var(--c-blue) 100%);
    border-radius: 40px;
    padding: 60px 56px;
    color: var(--c-white);
    position: relative;
    overflow: hidden;
    margin-bottom: 60px;
  }
  .subsidy__hero::before {
    content: ''; position: absolute;
    top: -100px; right: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(251, 191, 36, 0.25), transparent 70%);
    pointer-events: none;
  }
  .subsidy__hero::after {
    content: ''; position: absolute;
    bottom: -80px; left: -80px;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(125, 211, 252, 0.2), transparent 70%);
    pointer-events: none;
  }
  .subsidy__hero-inner {
    position: relative; z-index: 2;
    display: grid; grid-template-columns: 1fr 1.1fr;
    gap: 40px; align-items: center;
  }
  .subsidy__hero-label {
    font-family: var(--f-en); font-size: 13px;
    letter-spacing: 0.25em; color: var(--c-accent);
    font-weight: 600; margin-bottom: 16px;
  }
  .subsidy__hero-title {
    font-family: var(--f-jp); font-weight: 900;
    font-size: clamp(28px, 3.5vw, 40px);
    line-height: 1.4; margin-bottom: 20px;
  }
  .subsidy__hero-title em {
    font-style: normal; font-weight: 900;
    color: var(--c-accent);
  }
  .subsidy__hero-desc {
    font-size: 17px; line-height: 2.05;
    color: rgba(255,255,255,0.9);
  }
  .subsidy__sim {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 24px;
    padding: 32px 28px;
  }
  .subsidy__sim-label {
    font-family: var(--f-en); font-size: 11px;
    letter-spacing: 0.25em; color: var(--c-accent);
    font-weight: 700; margin-bottom: 16px;
    text-align: center;
  }
  .subsidy__sim-flow {
    display: flex; flex-direction: column; gap: 12px;
  }
  .subsidy__sim-row {
    background: rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 14px 20px;
    display: flex; justify-content: space-between; align-items: center;
  }
  .subsidy__sim-row--highlight {
    background: linear-gradient(135deg, var(--c-accent) 0%, #F59E0B 100%);
    color: var(--c-blue-dark);
    box-shadow: 0 8px 20px rgba(251, 191, 36, 0.35);
  }
  .subsidy__sim-rowlabel {
    font-size: 14.5px;
    color: rgba(255,255,255,0.85);
    font-weight: 600;
  }
  .subsidy__sim-row--highlight .subsidy__sim-rowlabel { color: var(--c-blue-dark); }
  .subsidy__sim-value {
    font-family: var(--f-en);
    font-size: 22px; font-weight: 700;
    color: var(--c-white);
  }
  .subsidy__sim-row--highlight .subsidy__sim-value {
    color: var(--c-blue-dark);
    font-size: 26px;
  }
  .subsidy__sim-arrow {
    text-align: center;
    font-family: var(--f-en);
    font-size: 20px;
    color: var(--c-accent);
    padding: 4px 0;
  }

  .subsidy__grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
    margin-bottom: 48px;
  }
  .subsidy-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 32px 28px;
    transition: all 0.3s;
    position: relative; overflow: hidden;
    display: flex; flex-direction: column;
  }
  .subsidy-card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 45%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent);
    pointer-events: none;
  }
  .subsidy-card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(6, 89, 134, 0.1); }
  .subsidy-card__label {
    font-family: var(--f-en); font-size: 11px;
    letter-spacing: 0.2em; color: var(--c-blue);
    font-weight: 600; margin-bottom: 8px;
    position: relative; z-index: 2;
  }
  .subsidy-card__title {
    font-family: var(--f-jp); font-size: 20px; font-weight: 700;
    color: var(--c-blue-dark);
    margin-bottom: 16px;
    line-height: 1.4;
    position: relative; z-index: 2;
  }
  .subsidy-card__specs {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
    margin-bottom: 16px;
    position: relative; z-index: 2;
  }
  .subsidy-card__spec {
    padding: 10px 14px;
    background: rgba(0, 134, 204, 0.06);
    border-radius: 10px;
  }
  .subsidy-card__spec-label {
    font-family: var(--f-en); font-size: 10px;
    letter-spacing: 0.1em; color: var(--c-gray-500);
    font-weight: 600; margin-bottom: 4px;
  }
  .subsidy-card__spec-value {
    font-family: var(--f-jp);
    font-size: 17px; font-weight: 700;
    color: var(--c-blue-deep);
  }
  .subsidy-card__spec-value .small {
    font-size: 13px; color: var(--c-gray-700); font-weight: 500;
  }
  .subsidy-card__desc {
    font-size: 15.5px; line-height: 2;
    color: var(--c-gray-700);
    position: relative; z-index: 2;
  }

  .subsidy__support {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 28px;
    padding: 44px 48px;
    position: relative; overflow: hidden;
  }
  .subsidy__support::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 40%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent);
    pointer-events: none;
  }
  .subsidy__support-label {
    font-family: var(--f-en); font-size: 13px;
    letter-spacing: 0.25em; color: var(--c-blue);
    font-weight: 600; margin-bottom: 12px;
    position: relative; z-index: 2;
  }
  .subsidy__support-title {
    font-family: var(--f-jp); font-size: 24px; font-weight: 700;
    color: var(--c-blue-dark); margin-bottom: 20px;
    position: relative; z-index: 2;
  }
  .subsidy__support-list {
    list-style: none;
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
    position: relative; z-index: 2;
    margin-bottom: 20px;
  }
  .subsidy__support-list li {
    padding: 18px 20px;
    background: rgba(0, 134, 204, 0.05);
    border-radius: 12px;
    font-size: 15.5px;
    line-height: 1.65;
    color: var(--c-blue-deep);
    font-weight: 600;
    display: flex; align-items: flex-start; gap: 10px;
  }
  .subsidy__support-list li::before {
    content: '✓';
    color: var(--c-blue); font-weight: 700;
    font-family: var(--f-en); font-size: 18px;
    line-height: 1.4;
  }
  .subsidy__support-caution {
    font-size: 13.5px;
    line-height: 1.85;
    color: var(--c-gray-500);
    padding-top: 16px;
    border-top: 1px solid rgba(0, 134, 204, 0.1);
    position: relative; z-index: 2;
  }

  /* Advisory Link */
  .advisory-link {
    background: linear-gradient(180deg, transparent, rgba(224, 242, 254, 0.3));
  }
  .advisory-link__card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 32px;
    padding: 56px 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    position: relative; overflow: hidden;
  }
  .advisory-link__card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 40%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent);
    pointer-events: none;
  }
  .advisory-link__text { position: relative; z-index: 2; }
  .advisory-link__label {
    font-family: var(--f-en); font-size: 12px;
    letter-spacing: 0.25em; color: var(--c-blue);
    font-weight: 600; margin-bottom: 16px;
  }
  .advisory-link__title {
    font-family: var(--f-jp); font-weight: 900;
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.4; color: var(--c-blue-dark);
    margin-bottom: 20px;
  }
  .advisory-link__title em {
    font-style: normal; font-weight: 900;
    background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-sky-blue) 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .advisory-link__desc {
    font-size: 17px; line-height: 2.05;
    color: var(--c-gray-700);
    margin-bottom: 28px;
  }
  .advisory-link__btn {
    display: inline-flex; align-items: center; gap: 14px;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-blue-deep) 100%);
    color: var(--c-white);
    font-size: 15px; font-weight: 700;
    border-radius: 100px;
    transition: all 0.3s;
    box-shadow: 0 8px 24px rgba(0, 134, 204, 0.3);
  }
  .advisory-link__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(0, 134, 204, 0.4);
  }
  .advisory-link__visual {
    position: relative; z-index: 2;
    background: linear-gradient(135deg, var(--c-blue-deep) 0%, var(--c-blue) 100%);
    border-radius: 24px;
    padding: 36px 32px;
    color: var(--c-white);
    overflow: hidden;
  }
  .advisory-link__visual::before {
    content: ''; position: absolute;
    top: -60px; right: -60px;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(125, 211, 252, 0.3), transparent 70%);
    pointer-events: none;
  }
  .advisory-link__visual-label {
    font-family: var(--f-en); font-size: 11px;
    letter-spacing: 0.25em; color: var(--c-accent);
    font-weight: 700; margin-bottom: 20px;
    position: relative; z-index: 2;
  }
  .advisory-link__benefits {
    list-style: none;
    position: relative; z-index: 2;
    display: flex; flex-direction: column; gap: 12px;
  }
  .advisory-link__benefits li {
    padding: 16px 20px;
    background: rgba(255,255,255,0.08);
    border-radius: 12px;
    border-left: 3px solid var(--c-sky-blue);
    display: flex; align-items: flex-start; gap: 14px;
    font-size: 15px; line-height: 1.75;
  }
  .advisory-link__benefits-num {
    width: 28px; height: 28px; flex-shrink: 0;
    border-radius: 50%;
    background: var(--c-sky-blue); color: var(--c-blue-deep);
    font-family: var(--f-en); font-size: 12px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
  }
  .advisory-link__benefits-text {
    color: rgba(255,255,255,0.95);
    font-weight: 500;
  }
  .advisory-link__benefits-text b {
    display: block; color: var(--c-sky-blue);
    font-weight: 700; margin-bottom: 3px;
    font-size: 14px;
  }

  /* Security */
  .security__grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
    margin-top: 60px;
  }
  .sec-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 32px 28px;
    transition: all 0.3s;
    position: relative; overflow: hidden;
  }
  .sec-card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 45%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent);
    pointer-events: none;
  }
  .sec-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(6, 89, 134, 0.1); }
  .sec-card__icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--c-light-blue) 0%, var(--c-sky-blue) 100%);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
    position: relative; z-index: 2;
  }
  .sec-card__icon svg { width: 22px; height: 22px; }
  .sec-card__title {
    font-family: var(--f-jp); font-size: 18px; font-weight: 700;
    color: var(--c-blue-dark);
    margin-bottom: 12px;
    line-height: 1.5;
    position: relative; z-index: 2;
  }
  .sec-card__desc {
    font-size: 15.5px; line-height: 2;
    color: var(--c-gray-700);
    position: relative; z-index: 2;
  }

  /* FAQ */
  .faq {
    background: linear-gradient(180deg, transparent, rgba(224, 242, 254, 0.3));
  }
  .faq__list {
    max-width: 900px; margin: 60px auto 0;
    display: flex; flex-direction: column; gap: 16px;
  }
  .faq__item {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s;
    position: relative;
  }
  .faq__item::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 40%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent);
    pointer-events: none;
  }
  .faq__item:hover { border-color: rgba(0, 134, 204, 0.2); }
  .faq__item[open] { box-shadow: 0 12px 32px rgba(6, 89, 134, 0.08); }
  .faq__q {
    display: flex; align-items: flex-start; gap: 20px;
    padding: 24px 32px; cursor: pointer; list-style: none;
    position: relative; z-index: 2;
  }
  .faq__q::-webkit-details-marker { display: none; }
  .faq__q-marker {
    flex-shrink: 0;
    width: 40px; height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-blue-deep) 100%);
    color: var(--c-white);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--f-en); font-size: 16px; font-weight: 700;
  }
  .faq__q-text {
    flex-grow: 1;
    font-family: var(--f-jp);
    font-size: 18px; font-weight: 700;
    color: var(--c-blue-dark);
    line-height: 1.75; padding-top: 4px;
  }
  .faq__toggle {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--c-light-blue);
    position: relative;
    flex-shrink: 0; margin-top: 4px;
    transition: all 0.3s;
  }
  .faq__item[open] .faq__toggle {
    background: var(--c-blue); transform: rotate(180deg);
  }
  .faq__toggle::before, .faq__toggle::after {
    content: '';
    position: absolute;
    background: var(--c-blue);
    transition: all 0.3s;
  }
  .faq__item[open] .faq__toggle::before,
  .faq__item[open] .faq__toggle::after { background: var(--c-white); }
  .faq__toggle::before {
    top: 50%; left: 10px; right: 10px;
    height: 2px; margin-top: -1px; border-radius: 2px;
  }
  .faq__toggle::after {
    left: 50%; top: 10px; bottom: 10px;
    width: 2px; margin-left: -1px; border-radius: 2px;
  }
  .faq__item[open] .faq__toggle::after { transform: scaleY(0); }
  .faq__a {
    padding: 0 32px 28px 92px;
    font-size: 17px; line-height: 2.1;
    color: var(--c-gray-700);
    position: relative; z-index: 2;
  }

  /* Final CTA */
  .final-cta { padding: 120px 0; position: relative; }
  .final-cta__card {
    max-width: 1080px; margin: 0 auto;
    padding: 80px 64px;
    background: linear-gradient(135deg, var(--c-blue-deep) 0%, var(--c-blue) 100%);
    border-radius: 40px;
    color: var(--c-white);
    position: relative; overflow: hidden;
    text-align: center;
  }
  .final-cta__card::before {
    content: ''; position: absolute;
    top: -150px; right: -150px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(125, 211, 252, 0.3), transparent 70%);
    pointer-events: none;
    animation: orbFloat 20s ease-in-out infinite;
  }
  .final-cta__card::after {
    content: ''; position: absolute;
    bottom: -100px; left: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.1), transparent 70%);
    pointer-events: none;
  }
  .final-cta__inner { position: relative; z-index: 2; }
  .final-cta__label {
    font-family: var(--f-en); font-size: 13px;
    letter-spacing: 0.3em; color: var(--c-sky-blue);
    font-weight: 600; margin-bottom: 20px;
  }
  .final-cta__title {
    font-family: var(--f-jp);
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 900; line-height: 1.5; margin-bottom: 24px;
  }
  .final-cta__title em {
    font-style: normal; font-family: var(--f-jp);
    font-weight: 900; color: var(--c-sky-blue);
  }
  .final-cta__desc {
    font-size: 18px; line-height: 2.1;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 48px;
    max-width: 720px; margin-left: auto; margin-right: auto;
  }
  .btn {
    display: inline-flex; align-items: center; gap: 14px;
    padding: 20px 36px;
    font-size: 15px;
    font-family: var(--f-jp); font-weight: 700;
    letter-spacing: 0.04em;
    border-radius: 100px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative; overflow: hidden;
  }
  .btn--white {
    background: var(--c-white); color: var(--c-blue-deep);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
  }
  .btn--white:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.25);
  }
  .btn__arrow {
    font-family: var(--f-en); font-size: 18px; font-weight: 300;
    transition: transform 0.3s;
  }
  .btn:hover .btn__arrow { transform: translateX(4px); }

  /* Footer */
  .site-footer {
    background: linear-gradient(180deg, #F0F9FF 0%, #E0F2FE 100%);
    padding: 80px 0 0;
    color: var(--c-gray-700);
  }
  .site-footer__inner {
    max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter);
  }
  .site-footer__top {
    display: grid; grid-template-columns: 1.8fr 1fr 1fr; gap: 64px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(0, 134, 204, 0.15);
  }
  .footer-brand__logo {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 24px;
  }
  .footer-brand__mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-blue-deep) 100%);
    color: var(--c-white);
    font-family: var(--f-en); font-weight: 700; font-size: 22px;
    border-radius: 12px;
  }
  .footer-brand__text {
    font-family: var(--f-en); font-size: 22px; font-weight: 700;
    color: var(--c-blue-deep); letter-spacing: 0.04em;
  }
  .footer-brand__desc {
    font-size: 14.5px; line-height: 1.95;
    color: var(--c-gray-700); max-width: 400px;
  }
  .footer-col h4 {
    font-family: var(--f-en); font-size: 13px; font-weight: 700;
    color: var(--c-blue);
    margin-bottom: 20px; letter-spacing: 0.2em;
  }
  .footer-col ul { list-style: none; }
  .footer-col li { margin-bottom: 10px; }
  .footer-col a {
    color: var(--c-gray-700); font-size: 14.5px;
    transition: color 0.2s, padding-left 0.2s;
    display: inline-block;
  }
  .footer-col a:hover { color: var(--c-blue); padding-left: 4px; }
  .footer-col__nolink { color: var(--c-gray-500); font-size: 14.5px; display: inline-block; }
  .footer-bottom {
    padding: 28px 0; text-align: center;
    font-size: 13px; color: var(--c-gray-500);
    letter-spacing: 0.05em;
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .hero__meta { grid-template-columns: repeat(2, 1fr); }
    .overview__cards { grid-template-columns: 1fr; }
    .diff__grid { grid-template-columns: 1fr; }
    .services__grid { grid-template-columns: 1fr; }
    .service-block--main .service-block__features { grid-template-columns: repeat(2, 1fr); }
    .usecases__grid { grid-template-columns: 1fr; }
    .process-step { grid-template-columns: 70px 1fr; gap: 20px; }
    .process-step__body { grid-column: 1 / -1; }
    .tools__grid { grid-template-columns: repeat(2, 1fr); }
    .plan-grid { grid-template-columns: repeat(2, 1fr); }
    .subsidy__hero-inner { grid-template-columns: 1fr; }
    .subsidy__grid { grid-template-columns: 1fr; }
    .subsidy__support-list { grid-template-columns: 1fr; }
    .advisory-link__card { grid-template-columns: 1fr; padding: 40px 36px; }
    .security__grid { grid-template-columns: 1fr; }
    .site-footer__top { grid-template-columns: 1fr 1fr; gap: 40px; }
  }
  @media (max-width: 768px) {
    .site-header { top: 8px; left: 8px; right: 8px; }
    .site-header__inner { padding: 0 20px; height: 56px; }
    .nav { display: none; }
    .hamburger { display: flex; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
    .hamburger span { width: 22px; height: 2px; background: var(--c-blue-deep); }
    .breadcrumb { padding-top: 84px; }
    .section { padding: 80px 0; }
    .final-cta__card { padding: 56px 32px; }
    .site-footer__top { grid-template-columns: 1fr; gap: 32px; }
    .faq__a { padding-left: 32px; }
  }
  @media (max-width: 640px) {
    .hero__meta { grid-template-columns: 1fr; }
    .tools__grid { grid-template-columns: 1fr; }
    .plan-grid { grid-template-columns: 1fr; }
    .subsidy__hero { padding: 40px 28px; }
    .subsidy__support { padding: 32px 28px; }
  }