:root {
      --bg: #f6f8fb;
      --surface: #ffffff;
      --surface-soft: #f0f6f4;
      --text: #233347;
      --muted: #3f5064;
      --small-text: #334155;
      --heading: #16345b;
      --line: #dce6ea;
      --green: #20b15a;
      --green-dark: #149349;
      --green-soft: #e7f8ee;
      --accent: #f7b74a;
      --shadow: 0 20px 60px rgba(20, 42, 74, 0.12);
      --radius-lg: 28px;
      --radius-md: 20px;
      --radius-sm: 14px;
      --max-width: 1120px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top right, rgba(32, 177, 90, 0.08), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    img {
      max-width: 100%;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    .container {
      width: min(calc(100% - 32px), var(--max-width));
      margin: 0 auto;
    }

    .section {
      padding: 80px 0;
    }

    .section-title {
      margin: 0 0 14px;
      font-size: clamp(1.85rem, 3vw, 2.7rem);
      line-height: 1.25;
      color: var(--heading);
      letter-spacing: 0.02em;
    }

    .section-lead {
      margin: 0 0 36px;
      color: var(--muted);
      font-size: 1.08rem;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      border-radius: 999px;
      background: var(--green-soft);
      color: var(--green-dark);
      font-size: 0.92rem;
      font-weight: 700;
      line-height: 1.45;
      margin-bottom: 18px;
    }

    /* Hero section */
    .hero {
      position: relative;
      overflow: hidden;
      padding: 28px 0 72px;
      background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.86) 42%, rgba(255, 255, 255, 0.42) 100%),
        url("hero-thinking-insurance.png") center right / cover no-repeat;
      border-bottom: 1px solid rgba(220, 230, 234, 0.72);
    }

    .hero::before,
    .hero::after {
      content: "";
      position: absolute;
      border-radius: 50%;
      filter: blur(0);
      z-index: 0;
    }

    .hero::before {
      width: 360px;
      height: 360px;
      top: -140px;
      right: -100px;
      background: radial-gradient(circle, rgba(32, 177, 90, 0.18), transparent 68%);
    }

    .hero::after {
      width: 300px;
      height: 300px;
      left: -120px;
      bottom: -110px;
      background: radial-gradient(circle, rgba(22, 52, 91, 0.1), transparent 72%);
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 32px;
      align-items: start;
      grid-template-columns: minmax(0, 1fr);
    }

    .hero-copy {
      padding: 24px 0;
      max-width: 860px;
    }

    .hero-title {
      margin: 0 0 18px;
      font-size: clamp(2.4rem, 6vw, 4.8rem);
      line-height: 1.08;
      letter-spacing: -0.03em;
      color: var(--heading);
    }

    .hero-subtitle {
      margin: 0 0 12px;
      font-size: clamp(1.3rem, 3vw, 2rem);
      line-height: 1.35;
      font-weight: 800;
      color: var(--text);
    }

    .hero-description {
      margin: 0 0 28px;
      font-size: clamp(1.08rem, 2vw, 1.26rem);
      color: var(--muted);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
      margin-bottom: 28px;
    }

    .hero-actions .cta-button {
      min-height: 86px;
      padding: 24px 46px;
      font-size: 1.8rem;
    }

    .cta-button {
      display: inline-flex;
      justify-content: center;
      align-items: center;
      min-height: 58px;
      padding: 16px 28px;
      border: none;
      border-radius: 999px;
      background: linear-gradient(180deg, #2cca68 0%, var(--green) 100%);
      color: #ffffff;
      font-size: 1rem;
      font-weight: 800;
      box-shadow: 0 16px 28px rgba(32, 177, 90, 0.26);
      cursor: pointer;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .cta-button:hover,
    .cta-button:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(32, 177, 90, 0.34);
      background: linear-gradient(180deg, #29d46b 0%, var(--green-dark) 100%);
      outline: none;
    }

    .hero-note {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      color: var(--small-text);
      font-size: 1rem;
      font-weight: 500;
      line-height: 1.65;
    }

    .hero-note span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .hero-panel {
      width: 100%;
      max-width: 1040px;
      justify-self: center;
      background: rgba(255, 255, 255, 0.92);
      border: 1px solid rgba(220, 230, 234, 0.9);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      padding: 28px;
      backdrop-filter: blur(8px);
    }

    .hero-panel-title {
      margin: 8px 0 -8px;
      max-width: 900px;
    }

    .pain-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .pain-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 16px;
      border-radius: var(--radius-sm);
      background: linear-gradient(180deg, #ffffff 0%, #f8fbfd 100%);
      border: 1px solid var(--line);
      min-height: 100%;
    }

    .pain-icon,
    .check-icon {
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      font-weight: 800;
    }

    .pain-icon {
      background: #fff4df;
      color: #b87406;
    }

    .check-icon {
      background: var(--green-soft);
      color: var(--green-dark);
    }

    .hero-mini-card {
      margin-top: 18px;
      padding: 0;
      color: var(--text);
      text-align: center;
      font-size: 1.5rem;
      line-height: 1.5;
    }

    .hero-mini-card strong {
      display: block;
      margin-bottom: 6px;
      font-size: 1.575rem;
      color: var(--heading);
    }

    /* Solution section */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .solution-card,
    .trust-card,
    .support-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      box-shadow: 0 12px 28px rgba(20, 42, 74, 0.06);
    }

    .solution-card {
      padding: 28px;
    }

    .solution-card h3,
    .trust-card h3,
    .support-card h3 {
      margin: 0 0 10px;
      color: var(--heading);
      font-size: 1.2rem;
      line-height: 1.4;
    }

    .solution-card p,
    .support-card p {
      margin: 0;
      color: var(--muted);
      font-size: 1.04rem;
    }

    .solution-card .icon-wrap {
      width: 54px;
      height: 54px;
      margin-bottom: 18px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: linear-gradient(180deg, var(--green-soft) 0%, #f3fbf7 100%);
      color: var(--green-dark);
      font-size: 1.4rem;
      font-weight: 800;
    }

    /* Trust section */
    .trust-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }

    .trust-card {
      padding: 24px;
    }

    .trust-card .value {
      margin: 0 0 6px;
      color: var(--green-dark);
      font-size: clamp(1.33rem, 2.8vw, 1.96rem);
      line-height: 1.2;
      font-weight: 900;
    }

    .trust-card p {
      margin: 0;
      color: var(--muted);
      font-size: 1.04rem;
    }

    .support-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-top: 22px;
    }

    .support-card {
      padding: 22px;
      background: linear-gradient(180deg, #fdfefe 0%, #f3f9f6 100%);
    }

    /* Closing CTA */
    .closing {
      padding-bottom: 120px;
    }

    .closing-box {
      position: relative;
      overflow: hidden;
      padding: 0;
      text-align: center;
    }

    .closing-box::after {
      content: none;
    }

    .closing-box h2,
    .closing-box p {
      position: relative;
      z-index: 1;
    }

    .closing-box h2 {
      margin: 0 0 14px;
      font-size: clamp(1.9rem, 4vw, 2.8rem);
      line-height: 1.25;
    }

    .closing-box p {
      margin: 0 0 24px;
      color: rgba(255, 255, 255, 0.86);
    }

    .closing-box .cta-button {
      min-height: 120px;
      padding: 32px 64px;
      font-size: clamp(1.45rem, 3vw, 2.2rem);
      border-radius: 999px;
      box-shadow: 0 22px 44px rgba(32, 177, 90, 0.32);
    }

    /* Floating CTA */
    .floating-cta {
      position: fixed;
      right: 14px;
      bottom: 14px;
      z-index: 50;
      width: min(330px, calc(100vw - 24px));
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.96);
      border: 1px solid rgba(220, 230, 234, 0.95);
      box-shadow: 0 18px 38px rgba(20, 42, 74, 0.22);
      backdrop-filter: blur(12px);
      padding: 10px;
      opacity: 0;
      transform: translateY(28px) scale(0.96);
      pointer-events: none;
      transition: opacity 0.32s ease, transform 0.32s ease, box-shadow 0.32s ease;
    }

    .floating-cta a {
      display: grid;
      gap: 4px;
      padding: 14px 17px;
      border-radius: 13px;
      background: linear-gradient(180deg, #2cca68 0%, var(--green) 100%);
      color: #ffffff;
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
    }

    .floating-label {
      font-size: 1.26rem;
      font-weight: 700;
      letter-spacing: 0;
      line-height: 1.35;
      opacity: 1;
    }

    .floating-main {
      font-size: 1.53rem;
      font-weight: 900;
      line-height: 1.25;
    }

    .floating-sub {
      font-size: 0.84rem;
      font-weight: 500;
      line-height: 1.35;
      opacity: 1;
    }

    .floating-cta.is-visible {
      opacity: 1;
      transform: translateY(0) scale(1);
      pointer-events: auto;
      animation: floatCtaPop 0.5s ease both;
    }

    .floating-cta.is-visible:hover {
      box-shadow: 0 22px 46px rgba(20, 42, 74, 0.28);
      transform: translateY(-2px) scale(1.01);
    }

    .floating-cta.is-hidden {
      opacity: 0;
      transform: translateY(28px) scale(0.96);
      pointer-events: none;
    }

    @keyframes floatCtaPop {
      0% {
        transform: translateY(28px) scale(0.96);
      }

      70% {
        transform: translateY(-4px) scale(1.02);
      }

      100% {
        transform: translateY(0) scale(1);
      }
    }

    footer {
      padding: 28px 0 110px;
      color: var(--small-text);
      text-align: center;
      font-size: 0.95rem;
      font-weight: 500;
      line-height: 1.65;
    }

    @media (max-width: 960px) {
      .solutions-grid,
      .support-grid {
        grid-template-columns: 1fr;
      }

      .pain-list {
        grid-template-columns: 1fr;
      }

      .trust-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 640px) {
      .section {
        padding: 64px 0;
      }

      .hero {
        padding-bottom: 52px;
      }

      .container {
        width: min(calc(100% - 24px), var(--max-width));
      }

      .hero-title {
        font-size: clamp(2.3rem, 10vw, 3.5rem);
      }

      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .cta-button {
        width: 100%;
      }

      .hero-panel,
      .solution-card,
      .trust-card,
      .support-card,
      .closing-box {
        padding: 22px;
      }

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

      .floating-cta {
        right: 12px;
        bottom: 12px;
        width: min(330px, calc(100vw - 24px));
      }

      footer {
        padding-bottom: 104px;
      }
    }