      /* ── HERO ── */
      .hero {
        min-height: 100vh;
        background: linear-gradient(
          145deg,
          #fafdff 0%,
          #f2f7ff 45%,
          #eaf2ff 100%
        );
        display: flex;
        flex-direction: column;
        padding-top: var(--nav-h);
        position: relative;
        overflow: hidden;
      }
      .sec--snap {
        min-height: calc(100vh - var(--nav-h));
        display: flex;
        align-items: center;
      }
      .orb {
        position: absolute;
        border-radius: 50%;
        pointer-events: none;
      }
      .orb1 {
        top: -15%;
        right: -8%;
        width: 680px;
        height: 680px;
        background: radial-gradient(
          circle,
          rgba(139, 186, 247, 0.16) 0%,
          transparent 66%
        );
      }
      .orb2 {
        bottom: -12%;
        left: -6%;
        width: 560px;
        height: 560px;
        background: radial-gradient(
          circle,
          rgba(182, 214, 255, 0.24) 0%,
          transparent 68%
        );
      }
      .hero__body {
        flex: 1;
        display: flex;
        align-items: center;
        position: relative;
        z-index: 1;
      }
      .hero__grid {
        display: grid;
        grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
        gap: 68px;
        align-items: center;
        padding: 64px 0;
      }
      .hero__grid > .reveal:last-child {
        display: flex;
        align-items: center;
      }
      .hero__badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: #ffffff;
        border: 1px solid #d7e5f8;
        border-radius: 100px;
        padding: 6px 14px;
        font-size: 13px;
        color: #385b86;
        font-weight: 700;
        margin-bottom: 26px;
      }
      .badge-dot {
        width: 7px;
        height: 7px;
        background: var(--teal);
        border-radius: 50%;
        animation: pulse 2s infinite;
      }
      @keyframes pulse {
        0%,
        100% {
          opacity: 1;
          transform: scale(1);
        }
        50% {
          opacity: 0.5;
          transform: scale(0.8);
        }
      }
      .hero__h1 {
        font-size: clamp(30px, 3.8vw, 50px);
        font-weight: 900;
        color: var(--text-dark);
        line-height: 1.18;
        letter-spacing: -1.4px;
        margin-bottom: 20px;
      }
      .hero__h1 em {
        font-style: normal;
        color: var(--accent);
        white-space: nowrap;
      }
      .hero__sub {
        font-size: 16px;
        color: #465f82;
        line-height: 1.75;
        margin-bottom: 40px;
        max-width: 440px;
      }
      .hero__cta {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
      }
      .hero__card {
        background: rgba(255, 255, 255, 0.9);
        border: 1px solid #d7e5f8;
        border-radius: var(--r-xl);
        padding: 17px;
        backdrop-filter: blur(8px);
        box-shadow: 0 18px 40px rgba(25, 72, 146, 0.08);
        width: 100%;
        max-width: 620px;
        justify-self: end;
      }
      .hero__card-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        margin-bottom: 16px;
        padding-right: 6px;
      }
      .hero__card-label {
        margin-left: 8px;
        font-size: 11px;
        color: #6a7f9e;
        font-weight: 700;
        letter-spacing: 1.8px;
        text-transform: uppercase;
      }
      .mini-chat {
        background: linear-gradient(
          165deg,
          rgba(247, 251, 255, 0.98) 0%,
          rgba(232, 241, 255, 0.94) 100%
        );
        border: 1px solid #c8dcf8;
        border-radius: 24px;
        padding: 24px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        overflow: hidden;
      }
      .hero-voice-head {
        display: block;
      }
      .hero-voice-agent {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        min-width: 0;
      }
      .hero-voice-avatar {
        width: 60px;
        min-height: 60px;
        height: auto;
        aspect-ratio: 1/1;
        border-radius: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(160deg, #2e63b0 0%, #173a72 100%);
        border: 1px solid rgba(255, 255, 255, 0.55);
        box-shadow: 0 12px 28px rgba(22, 55, 103, 0.22);
        flex-shrink: 0;
      }
      .hero-voice-logo {
        display: block;
        width: 26px;
        height: 26px;
        object-fit: contain;
        filter: brightness(0) invert(1);
      }
      .hero-voice-copy {
        display: flex;
        flex-direction: column;
        justify-content: center;
        min-width: 0;
      }
      .hero-voice-title {
        font-size: 18px;
        line-height: 1.05;
        color: #173b66;
        font-weight: 800;
        letter-spacing: -0.03em;
      }
      .hero-voice-state {
        margin-top: 3px;
        font-size: 12px;
        color: #5d7ba6;
        font-weight: 700;
      }
      .hero-voice-live {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        white-space: nowrap;
        word-break: keep-all;
        flex: 0 0 auto;
        min-width: max-content;
        margin-right: 8px;
        padding: 5px 10px;
        border-radius: 999px;
        background: rgba(49, 130, 246, 0.12);
        border: 1px solid rgba(49, 130, 246, 0.18);
        font-size: 9px;
        font-weight: 800;
        letter-spacing: 0.1em;
        color: #2b63b5;
        text-transform: uppercase;
      }
      .hero-voice-live::before {
        content: "";
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: #3b82f6;
        box-shadow: 0 0 0 5px rgba(59, 130, 246, 0.12);
      }
      .hero-voice-note {
        margin-top: 4px;
        font-size: 10px;
        line-height: 1.35;
        color: #6a81a2;
        font-weight: 600;
      }
      .hero-voice-note::before {
        content: "※ ";
        color: #7a92b5;
      }
      .hero-voice-flow {
        display: flex;
        flex-direction: column;
        gap: 8px;
      }
      .hero-voice-stage {
        position: relative;
        padding: 14px 16px 15px 18px;
        border-radius: 20px;
        border: 1px solid #d9e6f8;
        background: rgba(255, 255, 255, 0.84);
        max-width: 82%;
      }
      .hero-voice-stage::before {
        content: "";
        position: absolute;
        left: 12px;
        top: 14px;
        bottom: 14px;
        width: 3px;
        border-radius: 999px;
        background: linear-gradient(180deg, #c7dbf7 0%, #e4eef9 100%);
      }
      .hero-voice-stage.is-listening {
        align-self: flex-start;
        max-width: 64%;
        padding: 10px 12px 11px 14px;
        background: linear-gradient(
          180deg,
          rgba(255, 255, 255, 0.95) 0%,
          rgba(245, 250, 255, 0.95) 100%
        );
      }
      .hero-voice-stage.is-thinking {
        background: linear-gradient(
          180deg,
          rgba(242, 248, 255, 0.98) 0%,
          rgba(234, 243, 255, 0.96) 100%
        );
      }
      .hero-voice-stage.is-speaking {
        max-width: 90%;
        background: linear-gradient(
          180deg,
          rgba(255, 255, 255, 0.98) 0%,
          rgba(247, 251, 255, 0.96) 100%
        );
      }
      .hero-voice-stage.is-thinking,
      .hero-voice-stage.is-speaking {
        align-self: flex-end;
      }
      .hero-voice-stage.is-listening::before {
        display: none;
      }
      .hero-voice-stage.is-thinking::before {
        background: linear-gradient(180deg, #7c3aed 0%, #c4b5fd 100%);
      }
      .hero-voice-stage.is-speaking::before {
        display: none;
      }
      .hero-voice-stage-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        margin-bottom: 10px;
      }
      .hero-voice-stage.is-listening .hero-voice-stage-head {
        justify-content: flex-start;
        margin-bottom: 4px;
      }
      .hero-voice-stage-head strong {
        font-size: 11px;
        line-height: 1;
        color: #173b66;
        font-weight: 800;
        letter-spacing: 0.12em;
        text-transform: uppercase;
      }
      .hero-voice-stage-head span {
        font-size: 10px;
        line-height: 1;
        color: #7a92b5;
        font-weight: 700;
      }
      .hero-voice-stage-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        min-height: 26px;
        padding: 5px 10px;
        border-radius: 999px;
        background: linear-gradient(
          180deg,
          rgba(255, 255, 255, 0.94) 0%,
          rgba(244, 248, 255, 0.96) 100%
        );
        border: 1px solid #d6e3f8;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
        font-size: 10px;
        line-height: 1;
        color: #476487;
        font-weight: 700;
        letter-spacing: -0.01em;
        margin-bottom: 8px;
      }
      .hero-voice-stage-tag::before {
        content: "";
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: #7c3aed;
        box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
        flex-shrink: 0;
      }
      .hero-voice-wave {
        display: flex;
        align-items: flex-end;
        gap: 4px;
        height: 34px;
        margin-bottom: 8px;
      }
      .hero-voice-wave span {
        width: 5px;
        border-radius: 999px;
        background: linear-gradient(180deg, #7bb7ff 0%, #3182f6 100%);
        animation: heroVoiceWave 1s ease-in-out infinite;
        transform-origin: bottom;
        opacity: 0.96;
      }
      .hero-voice-wave span:nth-child(1) {
        height: 14px;
        animation-delay: 0.02s;
      }
      .hero-voice-wave span:nth-child(2) {
        height: 31px;
        animation-delay: 0.14s;
      }
      .hero-voice-wave span:nth-child(3) {
        height: 18px;
        animation-delay: 0.08s;
      }
      .hero-voice-wave span:nth-child(4) {
        height: 40px;
        animation-delay: 0.2s;
      }
      .hero-voice-wave span:nth-child(5) {
        height: 23px;
        animation-delay: 0.12s;
      }
      .hero-voice-wave span:nth-child(6) {
        height: 34px;
        animation-delay: 0.24s;
      }
      .hero-voice-transcript {
        font-size: 13px;
        line-height: 1.55;
        color: #20456f;
        font-weight: 600;
        white-space: nowrap;
      }
      .hero-voice-thinking {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
      }
      .hero-voice-thinking span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        min-height: 22px;
        padding: 4px 8px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.9);
        border: 1px solid #d9e4f7;
        font-size: 10px;
        font-weight: 700;
        color: #54708f;
        letter-spacing: -0.01em;
      }
      .hero-voice-thinking span::before {
        content: "";
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: #7c3aed;
        box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.08);
        flex-shrink: 0;
      }
      .hero-voice-speaking-flow {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 9px 11px;
        border-radius: 14px;
        background: rgba(255, 255, 255, 0.88);
        border: 1px solid #d7e5f8;
        margin-bottom: 9px;
      }
      .hero-voice-speaking-flow span {
        font-size: 10px;
        line-height: 1;
        color: #5a77a1;
        font-weight: 800;
        letter-spacing: 0.08em;
        text-transform: uppercase;
      }
      .hero-voice-speaking-wave {
        display: flex;
        align-items: flex-end;
        gap: 3px;
        height: 18px;
      }
      .hero-voice-speaking-wave i {
        display: block;
        width: 3px;
        border-radius: 999px;
        background: linear-gradient(180deg, #60a5fa 0%, #2563eb 100%);
        animation: heroVoicePulse 0.9s ease-in-out infinite;
        transform-origin: bottom;
      }
      .hero-voice-speaking-wave i:nth-child(1) {
        height: 7px;
        animation-delay: 0.04s;
      }
      .hero-voice-speaking-wave i:nth-child(2) {
        height: 15px;
        animation-delay: 0.16s;
      }
      .hero-voice-speaking-wave i:nth-child(3) {
        height: 10px;
        animation-delay: 0.08s;
      }
      .hero-voice-speaking-wave i:nth-child(4) {
        height: 17px;
        animation-delay: 0.2s;
      }
      .hero-voice-speaking-wave i:nth-child(5) {
        height: 9px;
        animation-delay: 0.12s;
      }
      .hero-voice-answer {
        position: relative;
        padding-left: 12px;
        font-size: 12px;
        line-height: 1.55;
        color: #1d3d66;
        font-weight: 600;
      }
      .hero-voice-answer::before {
        content: "";
        position: absolute;
        left: 0;
        top: 2px;
        bottom: 2px;
        width: 3px;
        border-radius: 999px;
        background: linear-gradient(180deg, #2563eb 0%, #93c5fd 100%);
      }
      .hero-voice-speaking-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        margin-bottom: 6px;
      }
      .hero-voice-speaking-top > strong {
        display: block;
        font-size: 11px;
        line-height: 1;
        color: #2b63b5;
        font-weight: 800;
        letter-spacing: 0.12em;
        text-transform: uppercase;
      }
      .hero-voice-speaking-top > span {
        font-size: 10px;
        line-height: 1;
        color: #7a92b5;
        font-weight: 700;
      }
      .hero-voice-answer-label {
        display: block;
        margin-bottom: 5px;
        font-size: 10px;
        line-height: 1;
        color: #7a92b5;
        font-weight: 800;
        letter-spacing: 0.1em;
        text-transform: uppercase;
      }
      .hero-voice-answer strong {
        display: block;
        margin-bottom: 6px;
        font-size: 11px;
        line-height: 1;
        color: #2b63b5;
        letter-spacing: 0.12em;
        text-transform: uppercase;
      }
      @keyframes heroVoiceWave {
        0%,
        100% {
          transform: scaleY(0.45);
          opacity: 0.45;
        }
        50% {
          transform: scaleY(1);
          opacity: 1;
        }
      }
      @keyframes heroVoicePulse {
        0%,
        100% {
          transform: scaleY(0.5);
          opacity: 0.5;
        }
        50% {
          transform: scaleY(1);
          opacity: 1;
        }
      }
      @keyframes wave {
        0%,
        100% {
          transform: scaleY(0.5);
          opacity: 0.5;
        }
        50% {
          transform: scaleY(1);
          opacity: 1;
        }
      }

