/* ===== 00. TOKENS ===== */
    @property --hero-rainbow-c1 {
      syntax: "<color>";
      initial-value: rgb(13, 110, 253);
      inherits: true;
    }

    @property --hero-rainbow-c2 {
      syntax: "<color>";
      initial-value: rgb(1, 119, 254);
      inherits: true;
    }

    @property --hero-rainbow-c3 {
      syntax: "<color>";
      initial-value: rgb(11, 158, 244);
      inherits: true;
    }

    @property --hero-rainbow-c4 {
      syntax: "<color>";
      initial-value: rgb(71, 197, 255);
      inherits: true;
    }

    @property --hero-rainbow-c5 {
      syntax: "<color>";
      initial-value: rgb(0, 105, 255);
      inherits: true;
    }

    @property --hero-rainbow-c6 {
      syntax: "<color>";
      initial-value: rgb(229, 178, 237);
      inherits: true;
    }

    :root {
      --page-gradient: linear-gradient(64deg, #ffffff 0, #eefaff 20%, #f1f5ff 51%, #f7fcfe 78%, #f4f6ff 100%);
      --ink: #102858;
      --action: #1476e7;
      --menu-bg: #1476e7;
      --sbw: 0px;
      --menu-button-size: 70px;
      --menu-button-radius: 35px;
      --menu-button-offset-x: 12px;
      --menu-button-offset-y: 10px;
      --section-padding-x-mobile: 1.25rem;
      --section-padding-y-mobile: 5rem;
      --section-padding-x-tablet: 2.5rem;
      --section-padding-y-tablet: 7rem;
      --section-padding-x-desktop: 6rem;
      --section-padding-y-desktop: 10rem;
      --site-header-height: 76px;
    }

    /*
      RESPONSIVE RULE:
      Tailwind screens and CSS media query boundaries share the same source values.
      HTML keeps structure and existing utility classes; section-level final layout,
      image placement, overlap, spacing, and breakpoint tuning live in CSS.
    */

    /* ===== 01. BASE ===== */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    /* html に scroll-behavior: smooth を戻さないこと。
       これを付けるとページ途中で更新した際、ブラウザによるスクロール位置の復元まで
       効かなくなり、毎回先頭へ戻される。目次などページ内アンカーのスムーズ移動は
       ui.js のクリック処理（scrollIntoView）側で行う */

    body {
      min-width: 320px;
      margin: 0;
      overflow-x: hidden;
      background: #eef1f7;
      color: var(--ink);
      font-family: "Space Grotesk", "Zen Kaku Gothic New", sans-serif;
    }

    /* ===== 02. COMMON LAYOUT ===== */
    img {
      display: block;
      max-width: 100%;
    }

    .page-surface {
      min-height: 100vh;
      overflow-x: clip;
      background-image: var(--page-gradient);
    }

    /* ===== 03. LOADER ===== */
    html.is-loading,
    body.is-loading {
      height: 100%;
      overflow: hidden;
    }

    .loader-wrap {
      position: fixed;
      inset: 0;
      z-index: 20000;
      display: flex;
      width: 100vw;
      height: 100vh;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      background: transparent;
      pointer-events: auto;
    }

    .loader-wrap svg {
      position: absolute;
      inset: 0;
      width: 100vw;
      height: 112vh;
      fill: var(--action);
    }

    .loader-heading {
      position: relative;
      z-index: 1;
    }

    .loader-logo {
      display: block;
      width: clamp(160px, 24vw, 320px);
      height: auto;
    }

    /* ===== 04. HEADER / MENU ===== */
    .site-header {
      position: relative;
      z-index: 30;
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      background: transparent;
    }

    .brand-link {
      display: inline-flex;
      align-items: flex-end;
      color: var(--ink);
      text-decoration: none;
    }

    .brand-link img {
      width: auto;
      height: 2.5rem;
    }

    .brand-mark,
    .brand-company {
      font-family: "Space Grotesk", sans-serif;
    }

    .brand-mark {
      line-height: 1;
      letter-spacing: -0.075em;
    }

    .brand-company {
      line-height: 1;
      letter-spacing: 0.01em;
    }

    .desktop-navigation {
      display: none;
    }

    .global-nav-list,
    .hero-action-list {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .global-nav-list {
      font-size: 1rem;
      line-height: 1.5;
    }

    @media (min-width: 768px) {
      .brand-link img {
        height: 2.75rem;
      }
    }

    .menu-button {
      display: inline-flex;
      flex: 0 0 auto;
      align-items: center;
      justify-content: center;
      border: 0;
      border-radius: 9999px;
      background: linear-gradient(135deg, #1476e7 0%, #20d5e1 100%);
    }

    .menu-lines span {
      display: block;
      height: 1px;
      background: #fff;
    }

    .menu-lines span + span {
      margin-top: 7px;
    }

    .menu-toggle {
      position: fixed;
      top: var(--menu-button-offset-y);
      right: var(--menu-button-offset-x);
      z-index: 10000;
      display: block;
      width: var(--menu-button-size);
      height: var(--menu-button-size);
      padding: 3px;
      border: 0;
      border-radius: 50%;
      background: transparent;
      cursor: pointer;
      isolation: isolate;
      -webkit-tap-highlight-color: transparent;
    }

    .menu-toggle::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 0;
      border-radius: 50%;
      background-image: radial-gradient(at 91% 75%, #0d6efd 0px, transparent 50%), radial-gradient(at 37% 34%, hsla(191, 99%, 50%, 1) 0px, transparent 50%), radial-gradient(at 15% 54%, hsla(205, 91%, 50%, 1) 0px, transparent 50%), radial-gradient(at 67% 93%, hsla(195, 100%, 74%, 1) 0px, transparent 50%), radial-gradient(at 73% 32%, hsl(258.69deg 100% 71.57%) 0px, transparent 50%);
      animation: menuToggleRing 3s linear infinite;
    }

    .menu-toggle:focus-visible {
      outline: 2px solid #6aa6ff;
      outline-offset: 2px;
    }

    .menu-icon {
      position: relative;
      z-index: 1;
      display: flex;
      width: 100%;
      height: 100%;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: #fff;

    }

    @keyframes menuToggleRing {
      0% {
        transform: rotate(0);
      }

      100% {
        transform: rotate(360deg);
      }
    }

    .menu-icon-line {
      position: absolute;
      width: 30px;
      height: 2px;
      background: linear-gradient(90deg, #0087ff, #94dcff);
      transform-origin: center;
      transition: transform 0.4s;
    }

    .menu-icon-line:first-child {
      transform: translateY(-6px);
    }

    .menu-icon-line:last-child {
      transform: translateY(6px);
    }

    .menu-toggle[aria-expanded="true"] .menu-icon-line:first-child {
      transform: translateY(0) rotate(45deg);
    }

    .menu-toggle[aria-expanded="true"] .menu-icon-line:last-child {
      transform: translateY(0) rotate(-45deg);
    }

    .menu-overlay {
      position: fixed;
      inset: 0;
      z-index: 9999;
      height: 100dvh;
      visibility: hidden;
      pointer-events: none;
      isolation: isolate;
      overscroll-behavior: contain;
    }

    .menu-backdrop {
      position: absolute;
      inset: 0;
      background: rgba(66, 107, 244, 0.38);
      opacity: 0;
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      transition: opacity 0.4s ease;
    }

    .menu-overlay[data-open="true"] .menu-backdrop {
      opacity: 1;
    }

    .menu-overlay[data-open="false"] .menu-backdrop {
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .menu-panel {
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      display: flex;
      width: min(450px, 90vw);
      box-sizing: content-box;
      flex-direction: column;
      padding: calc(84px + env(safe-area-inset-top)) 32px calc(32px + env(safe-area-inset-bottom));
      overflow-y: auto;
      background: radial-gradient(at 91% 25%, #0d6efd 0px, transparent 50%), radial-gradient(at 37% 34%, hsla(212, 99%, 50%, 1) 0px, transparent 50%), radial-gradient(at 15% 54%, hsla(205, 91%, 50%, 1) 0px, transparent 50%), radial-gradient(at 67% 93%, hsla(195, 100%, 74%, 1) 0px, transparent 50%), radial-gradient(at 73% 32%, hsl(258.69deg 100% 87.94%) 0px, transparent 127%);
      color: #fff;
      clip-path: circle(
        0% at calc(100% - var(--menu-button-offset-x) - var(--menu-button-radius)) calc(var(--menu-button-offset-y) + var(--menu-button-radius))
      );
      transition: clip-path 0.6s cubic-bezier(0.65, 0, 0.35, 1);
      -webkit-overflow-scrolling: touch;
    }

    .menu-overlay[data-open="true"] .menu-panel {
      clip-path: circle(
        150% at calc(100% - var(--menu-button-offset-x) - var(--menu-button-radius)) calc(var(--menu-button-offset-y) + var(--menu-button-radius))
      );
    }

    .menu-overlay[data-open="false"] .menu-panel {
      clip-path: circle(
        0% at calc(100% - var(--menu-button-offset-x) - var(--menu-button-radius)) calc(var(--menu-button-offset-y) + var(--menu-button-radius))
      );
      transition: clip-path 0.4s cubic-bezier(0.55, 0, 0.45, 1);
    }

    .menu-header {
      display: none;
    }

    .menu-content {
      display: grid;
      grid-template-columns: 1fr;
      gap: 32px;
      flex: 1;
      transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .menu-overlay[data-open="false"] .menu-content {
      opacity: 0;
      transform: translateY(-10px);
    }

    .menu-list {
      display: grid;
      gap: 2px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .menu-list li {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.4s ease, transform 0.4s ease;
    }

    .menu-overlay[data-open="true"] .menu-list li {
      opacity: 1;
      transform: translateY(0);
    }

    .menu-overlay[data-open="false"] .menu-list li {
      opacity: 0;
      transform: translateY(10px);
      transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .menu-overlay[data-open="true"] .menu-list li:nth-child(1) {
      transition-delay: 0.1s;
    }

    .menu-overlay[data-open="true"] .menu-list li:nth-child(2) {
      transition-delay: 0.15s;
    }

    .menu-overlay[data-open="true"] .menu-list li:nth-child(3) {
      transition-delay: 0.2s;
    }

    .menu-overlay[data-open="true"] .menu-list li:nth-child(4) {
      transition-delay: 0.25s;
    }

    .menu-overlay[data-open="true"] .menu-list li:nth-child(5) {
      transition-delay: 0.3s;
    }

    .menu-overlay[data-open="true"] .menu-list li:nth-child(6) {
      transition-delay: 0.35s;
    }

    .menu-overlay[data-open="true"] .menu-list li:nth-child(7) {
      transition-delay: 0.4s;
    }

    .menu-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 8px 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.2);
      color: #fff;
      font-size: clamp(18px, 4vw, 20px);
      font-weight: 500;
      text-decoration: none;
      transition: transform 0.2s ease, background 0.2s ease;
          letter-spacing: 0.05em;
    }

    .menu-list li:first-child a {
      padding-top: 0;
    }

    .menu-list a:hover {
      background: rgba(255, 255, 255, 0.1);
      transform: translateX(4px);
    }

    .menu-list a:focus-visible {
      outline: 2px solid #fff;
      outline-offset: 2px;
    }

    /* 開いた直後のフォーカス先＝ダイアログ枠自体。コンテナにフォーカスリングは不要 */
    .menu-overlay:focus {
      outline: none;
    }

    .menu-list a .nav-text {
      flex: 1;
    }

    .menu-list a .nav-arrow {
      width: 20px;
      height: 20px;
      flex-shrink: 0;
      margin-left: 8px;
      opacity: 0.9;
    }

    .menu-subtitle {
      display: block;
      font-size: 13px;
      font-weight: 400;
      opacity: 0.9;
    }

    .menu-side {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .menu-banners {
      display: grid;
      gap: 10px;
      margin: 0 0 0 7px;
      padding: 0;
      list-style: none;
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.4s ease, transform 0.4s ease;
    }

    .menu-overlay[data-open="true"] .menu-banners {
      opacity: 1;
      transform: translateY(0);
      transition-delay: 0.4s;
    }

    .menu-overlay[data-open="false"] .menu-banners {
      opacity: 0;
      transform: translateY(10px);
      transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .menu-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 16px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.15);
    -webkit-backdrop-filter: blur(6px) saturate(140%);
    backdrop-filter: blur(6px) saturate(140%);
      color: #fff;
      text-decoration: none;
      transition: background 0.2s ease, transform 0.2s ease;
    }

    .menu-banner svg {
      flex-shrink: 0;
      opacity: 0.7;
      transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .menu-banner:hover {
      background: rgba(255, 255, 255, 0.25);
      transform: translateY(-2px);
    }

    .menu-banner:hover svg {
      opacity: 1;
      transform: translateX(2px);
    }

    .menu-banner-title {
      margin-bottom: 4px;
      font-size: 16px;
      font-weight: 700;
          letter-spacing: 0.1em;
    }

    .menu-banner-subtitle {
      font-size: 14px;
      opacity: 1;
    }

    .menu-footer {
      display: flex;
      gap: 12px;
      margin: 24px 0 0;
      padding: 20px 0 0;
      border-top: 1px solid rgba(255, 255, 255, 0.2);
      font-size: 11px;
      list-style: none;
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.4s ease, transform 0.4s ease;
      padding: 12px;
    }

    .menu-overlay[data-open="true"] .menu-footer {
      opacity: 1;
      transform: translateY(0);
      transition-delay: 0.45s;
    }

    .menu-footer a {
      color: #fff;
      text-decoration: none;
    }

    .menu-footer a:hover {
      color: #fff;
      text-decoration: underline;
    }

    html.is-locked,
    body.is-locked {
      overflow: hidden;
      overscroll-behavior: none;
    }

    @media (hover: hover) {
      .menu-toggle:hover::before {
        animation-duration: 1.6s;
      }
    }

    @media (max-width: 639px) {
      :root {
        --menu-button-size: 70px;
        --menu-button-radius: 30px;
      }
    }

    @media (min-width: 600px) {
      .menu-panel {
        justify-content: center;
        padding-top: calc(200px + env(safe-area-inset-top));
        padding-bottom: calc(50px + env(safe-area-inset-bottom));
      }

      .menu-content {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        align-items: start;
      }

      .menu-list a {
        padding: 8px 12px;
        font-size: clamp(16px, 2.5vw, 18px);
      }

      .menu-subtitle {
        font-size: 11px;
      }

      .menu-banner-title {
        font-size: 14px;
      }

      .menu-banner-subtitle {
        font-size: 11px;
      }

      .menu-footer {
        grid-column: 1 / -1;
        padding: 16px 12px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      .menu-toggle::before {
        animation: none;
      }

      .menu-icon-line,
      .menu-backdrop,
      .menu-panel {
        transition: none;
      }
    }

    /* ===== 05. HERO ===== */
    .hero-section {
      position: relative;
      isolation: isolate;
      padding-bottom: 6rem;
    }

    .hero-content {
      position: relative;
      z-index: 10;
    }

    .hero-shader-background {
      position: absolute;
      top: calc(var(--site-header-height) * -1);
      right: 0;
      left: 0;
      z-index: 0;
      display: block;
      width: 100% !important;
      height: calc(100% + var(--site-header-height)) !important;
      pointer-events: none;
      opacity: .6;
    }

    .hero-title {
      margin: 0;
      font-weight: 700;
      letter-spacing: 0.01em;
    }

    .hero-title {
      font-size: 1.8rem;
    }

    .hero-title-line {
      display: block;
      white-space: nowrap;
    }

    .hero-title .select-word {
      display: inline-block;
      color: inherit;
      white-space: nowrap;
      margin-left: -0.5em;
      margin-right: -0.4em;
      background-image: inherit;
      background-position: inherit;
      background-size: inherit;
      background-clip: text;
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .pika-base,
    .pika-gradient-overlay {
      display: block;
    }

    .js-pika-default {
      --pika-delay: 0s;
      --pika-text-color: var(--action);
      --pika-flash-color: #7e68ff;
      color: transparent;
      background-image: linear-gradient(90deg, var(--pika-text-color) 33.33%, var(--pika-flash-color), var(--pika-text-color), rgba(238, 238, 238, 0) 60%);
      background-position: right center;
      background-size: 300%;
      background-clip: text;
      -webkit-background-clip: text;
      filter: blur(5px);
    }

    .js-pika-gradient-layer {
      position: relative;
      width: fit-content;
      opacity: 0;
      transform: translateY(0.18em);
      will-change: opacity, transform;
    }

    .js-pika-gradient-layer .pika-gradient-overlay {
      position: absolute;
      inset: 0;
      color: transparent;
      background-image: linear-gradient(130deg, #1581ff 63%, #00baff 42%, #8a78ff 78%, #0067ff 100%);
      background-position: center;
      background-size: 100% 100%;
      background-clip: text;
      -webkit-background-clip: text;
      clip-path: inset(0 100% 0 0);
      pointer-events: none;
      transition: clip-path 0.45s ease-out;
    }

    .js-pika-gradient-layer.is-pika-complete .pika-gradient-overlay {
      clip-path: inset(0 0 0 0);
    }

    .js-pika-default.is-active {
      animation: txtPika 1.5s ease-in-out forwards, unblur 2.5s ease-in-out forwards;
      animation-delay: var(--pika-delay);
    }

    html.is-loading:not(.is-hero-text-ready) .hero-title .js-pika-default.is-active {
      animation: none;
    }

    .hero-intro-item {
      opacity: 0;
      filter: blur(6px);
      will-change: opacity, filter;
    }

    @keyframes txtPika {
      0% {
        background-position: 100% 0;
      }

      100% {
        background-position: 0 0;
      }
    }

    @keyframes unblur {
      0% {
        filter: blur(7px);
      }

      100% {
        filter: blur(0);
      }
    }

    .hero-description {
      margin-bottom: 0;
      font-weight: 500;
      letter-spacing: 0.02em;
    }

    .hero-description {
      margin-top: 0.75rem;
      font-size: 0.875rem;
    }

    .hero-action-list {
      gap: 0.75rem;
      margin-top: 1.75rem;
      font-size: 1rem;
      line-height: 1.5rem;
    }

    .hero-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 9999px;
      background: var(--action);
      color: #fff;
      font-weight: 500;
      letter-spacing: 0em;
      text-decoration: none;
      transition: opacity 180ms ease, transform 180ms ease;
    }

    .hero-link:hover,
    .hero-link:focus-visible {
      opacity: 0.9;
      transform: translateY(-2px);
    }

    .hero-rainbow-link {
      --hero-rainbow-c1: rgb(13, 110, 253);
      --hero-rainbow-c2: rgb(1, 119, 254);
      --hero-rainbow-c3: rgb(11, 158, 244);
      --hero-rainbow-c4: rgb(71, 197, 255);
      --hero-rainbow-c5: rgb(0, 105, 255);
      --hero-rainbow-c6: rgb(229, 178, 237);

      position: relative;
      z-index: 1;
      isolation: isolate;
      border: 0;
      background: transparent;
      color: #fff;
      outline-offset: 4px;
      white-space: nowrap;
      animation: heroRainbowWaveC1 2s linear infinite,
                 heroRainbowWaveC2 2s linear infinite,
                 heroRainbowWaveC3 2s linear infinite,
                 heroRainbowWaveC4 2s linear infinite,
                 heroRainbowWaveC5 2s linear infinite,
                 heroRainbowWaveC6 2s linear infinite;
    }

    .hero-rainbow-link:hover,
    .hero-rainbow-link:focus-visible {
      opacity: 1;
    }

    .hero-rainbow-glow,
    .hero-rainbow-border,
    .hero-rainbow-fill {
      position: absolute;
      pointer-events: none;
    }

    .hero-rainbow-glow {
      inset: 2px 0 0;
      z-index: -3;
      border-radius: 114px;
      background: radial-gradient(
        50% 10% at 50% 100%,
        rgba(255, 255, 255, 0) 0%,
        var(--hero-rainbow-c1) 25%,
        var(--hero-rainbow-c2) 50%,
        var(--hero-rainbow-c3) 75%,
        rgba(255, 255, 255, 0) 100%
      );
      filter: blur(15px);
    }

    .hero-rainbow-border {
      inset: 2px 0 0;
      z-index: -2;
      overflow: hidden;
      border-radius: 114px;
      background: linear-gradient(
        90deg,
        var(--hero-rainbow-c1) 0%,
        var(--hero-rainbow-c2) 20%,
        var(--hero-rainbow-c3) 40%,
        var(--hero-rainbow-c4) 60%,
        var(--hero-rainbow-c5) 80%,
        var(--hero-rainbow-c6) 100%
      );
    }

    .hero-rainbow-fill {
      inset: 4px 0 3px;
      z-index: -1;
      border-radius: 114px;
      background:
        radial-gradient(at 61% 65%, rgb(13, 110, 253) 0px, transparent 50%),
        radial-gradient(at 37% 34%, rgb(1, 119, 254) 0px, transparent 50%),
        radial-gradient(at 15% 54%, rgb(11, 158, 244) 0px, transparent 50%),
        radial-gradient(at 67% 93%, rgb(71, 197, 255) 0px, transparent 50%),
        radial-gradient(at 43% 32%, rgb(0, 105, 255) 0px, transparent 219%),
        radial-gradient(at 75% 25%, rgb(229, 178, 237) 0px, transparent 50%);
      -webkit-backdrop-filter: blur(8px) saturate(140%);
      backdrop-filter: blur(8px) saturate(140%);
    }

    .hero-rainbow-text {
    position: relative;
    z-index: 2;
    color: #fff;
    font-family: "Zen Kaku Gothic New", sans-serif;
    font-size: .95em;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
    letter-spacing: .04em;
}

    .hero-rainbow-link--light .hero-rainbow-fill {
      inset: 5px 3px 3px;
      background: #fff;
    }

    .hero-rainbow-link--light .hero-rainbow-text {
      color: var(--action);
    }

    @keyframes heroRainbowWaveC1 {
      0%, 100% { --hero-rainbow-c1: rgb(13, 110, 253); }
      50% { --hero-rainbow-c1: rgb(229, 178, 237); }
    }

    @keyframes heroRainbowWaveC2 {
      0%, 100% { --hero-rainbow-c2: rgb(1, 119, 254); }
      58% { --hero-rainbow-c2: rgb(13, 110, 253); }
    }

    @keyframes heroRainbowWaveC3 {
      0%, 100% { --hero-rainbow-c3: rgb(11, 158, 244); }
      66% { --hero-rainbow-c3: rgb(1, 119, 254); }
    }

    @keyframes heroRainbowWaveC4 {
      0%, 100% { --hero-rainbow-c4: rgb(71, 197, 255); }
      74% { --hero-rainbow-c4: rgb(11, 158, 244); }
    }

    @keyframes heroRainbowWaveC5 {
      0%, 100% { --hero-rainbow-c5: rgb(0, 105, 255); }
      82% { --hero-rainbow-c5: rgb(71, 197, 255); }
    }

    @keyframes heroRainbowWaveC6 {
      0%, 100% { --hero-rainbow-c6: rgb(229, 178, 237); }
      90% { --hero-rainbow-c6: rgb(0, 105, 255); }
    }

    .hero-price-link {
      position: relative;
      z-index: 1;
      white-space: nowrap;
    }

    .hero-price-link:hover,
    .hero-price-link:focus-visible {
      opacity: 1;
    }

    .hero-visuals {
      position: absolute;
      inset: 0;
      z-index: 2;
      pointer-events: none;
    }

    .visual-photo {
      position: absolute;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.56);
      transform-origin: center bottom;
    }

    .visual-photo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transform-origin: center;
    }

    /* リップル待機・進行中は白いプレースホルダー背景を見せず、
       画像がページ背景の上に中心から直接波で現れるようにする */
    .visual-photo.is-ripple-pending {
      background: transparent;
    }

    .visual-photo.is-ripple-pending img {
      opacity: 0;
      visibility: hidden;
    }

    .visual-photo.is-ripple-complete img {
      opacity: 1;
      visibility: visible;
    }

    /* 写真の先出しちらつき防止。
       animation.js は gsap → ScrollTrigger → dbfx → animation の直列読込の最後に届くため、
       それまでは素のHTML状態（写真が最終位置に表示済み）が描画される。
       ローダーの幕が無い下層ページでは、写真が一度出てから消え、その後リップルが始まる。
       html.hero-reveal-pending は各ページ head のゲートが同期的に付与するので、
       最初の描画から写真を隠し、リップル完了(.is-ripple-complete)で解除する。
       ボット(html.no-heavy-animation)・JS無効(html.no-js)・reduced-motion では付与されない／効かない。 */
    @media (prefers-reduced-motion: no-preference) {
      html.hero-reveal-pending .visual-photo:not(.is-ripple-complete) {
        background: transparent;
      }

      html.hero-reveal-pending .visual-photo:not(.is-ripple-complete) img {
        opacity: 0;
        visibility: hidden;
      }
    }

    .ripple-reveal-canvas {
      position: absolute;
      inset: 0;
      z-index: 12;
      width: 100%;
      height: 100%;
      opacity: 0;
      pointer-events: none;
    }

    .hero-bottom-marquee {
      position: absolute;
      right: 0;
      left: 0;
      z-index: 1;
      overflow: hidden;
      color: rgba(20, 118, 231, 0.05);
      opacity: 0;
      transform: translateY(28px);
      pointer-events: none;
      will-change: opacity, transform;
    }

    .hero-bottom-marquee-track {
      display: flex;
      width: max-content;
      will-change: transform;
      animation: heroBottomMarqueeScroll 62s linear infinite;
    }

    .hero-bottom-marquee-group {
      display: flex;
      flex-shrink: 0;
      align-items: center;
    }

    .hero-bottom-marquee-item {
      display: inline-flex;
      align-items: center;
      padding: 0 clamp(1.25rem, 3vw, 4rem);
      font-family: "Space Grotesk", "Zen Kaku Gothic New", sans-serif;
      font-weight: 700;
      line-height: 0.78;
      white-space: nowrap;

    }

    @keyframes heroBottomMarqueeScroll {
      from {
        transform: translateX(0);
      }

      to {
        transform: translateX(-50%);
      }
    }

    /* ===== 06. ABOUT ===== */
    /* About: base 320-374 */
    /* アバウト写真もヒーローと同じリップルで出現させる。
       待機・進行中は白背景の上に枠を見せず、画像を波で中心から現す */
    .about-photo.is-ripple-pending {
      background: transparent;
    }

    .about-photo.is-ripple-pending img {
      opacity: 0;
      visibility: hidden;
    }

    .about-photo.is-ripple-complete img {
      opacity: 1;
      visibility: visible;
    }

    .about-kicker {
      display: flex;
      align-items: center;
      margin: 0;
      color: var(--ink);
      font-size: 1rem;
      font-weight: 500;
      line-height: 1.4;
      letter-spacing: 0.04em;
      gap: 0.75rem;
      margin-bottom: 6px;
    }

    .about-dot {
      display: inline-block;
      flex: 0 0 auto;
      border-radius: 9999px;
      background: linear-gradient(64deg, #0DB4FF 21%, #afa1ff 21%, hsl(203.78deg 100% 61.37%) 68% 100%);
    }

    /* About: md 768-1023 */
    @media (min-width: 768px) {
      .about-kicker.about-kicker {
        gap: 0.875rem;
        font-size: 1.125rem;
        line-height: 1.35;
      }
    }

    /* About: xl 1280-1439 */
    @media (min-width: 1280px) {
      .about-kicker.about-kicker {
        gap: 0.625rem;
        font-size: 1.25rem;
        line-height: 1.65;
      }
    }

    /* Mobile */
    @media (max-width: 767px) {
      .site-header {
        height: 76px;
        padding: calc(var(--menu-button-offset-y) + (var(--menu-button-size) - 40px) / 2) 20px 0;
      }

      .brand-mark {
        font-size: 31px;
      }

      .brand-company {
        margin-left: 5px;
        padding-bottom: 2px;
        font-size: 14px;
      }

      .menu-button {
        width: 44px;
        height: 44px;
      }

      .menu-lines {
        width: 18px;
      }

      .hero-section {
        min-height: 690px;
      }

      .visual-main {
        top: 18px;
        left: 36.5%;
        width: clamp(122px, 30vw, 151px);
        aspect-ratio: 4 / 5;

      }

      .visual-side {
        top: clamp(148px, 33vw, 176px);
        right: clamp(18px, 6vw, 31px);
        z-index: 4;
        width: clamp(78px, 18vw, 92px);
        aspect-ratio: 4 / 5;

      }

      .visual-building {
        right: 0;
        bottom: -72px;
        width: clamp(80px, 18vw, 92px);
        aspect-ratio: 4 / 5;

      }

      .hero-content {
        padding: clamp(158px, 45vw, 188px) 20px 0;
      }

      .hero-title {
        line-height: 1.48;
        letter-spacing: -0.02em;
      }

      .hero-description {
        line-height: 1.95;
      }

      .hero-action-list {
        display: flex;
        flex-direction: column-reverse;
        align-items: center;
      }

      .hero-link {
        width: min(71vw, 356px);
        height: clamp(58px, 15vw, 76px);
      }

      .hero-price-link {
        width: min(72vw, 356px);
      }

      .hero-bottom-marquee {
        bottom: 14px;
      }

      .hero-bottom-marquee-item {
        font-size: clamp(5.5rem, 24vw, 7.5rem);
      }

      .about-dot {
        width: 16px;
        height: 16px;
      }
    }

    /* Tablet and small notebook: vertically separated to prevent overlap. */
    @media (min-width: 768px) and (max-width: 1279px) {
      :root {
        --site-header-height: 88px;
      }

      .site-header {
        height: 88px;
        padding: calc(var(--menu-button-offset-y) + (var(--menu-button-size) - 44px) / 2) 32px 0;
      }

      .brand-mark {
        font-size: 39px;
      }

      .brand-company {
        margin-left: 7px;
        padding-bottom: 3px;
        font-size: 17px;
      }

      .menu-button {
        width: 52px;
        height: 52px;
      }

      .menu-lines {
        width: 22px;
      }

      .hero-section {
        min-height: clamp(880px, 88vw, 980px);
        padding-bottom: 9rem;
      }

      .visual-main {
        top: 24px;
        left: 48%;
        width: clamp(190px, 24vw, 266px);
        aspect-ratio: 4 / 5;

      }

      .visual-side {
        top: clamp(162px, 19vw, 212px);
        right: clamp(28px, 5vw, 54px);
        z-index: 4;
        width: clamp(132px, 17vw, 185px);
        aspect-ratio: 4 / 5;

      }

      .visual-building {
        right: 0;
        bottom: -58px;
        width: clamp(118px, 15vw, 156px);
        aspect-ratio: 4 / 5;

      }

      .hero-content {
        width: min(700px, calc(100% - 80px));
        margin-left: 40px;
        padding-top: clamp(150px, 9vw, 155px);
      }

      .hero-title {
        font-size: 2.25rem;
        line-height: 1.42;
        letter-spacing: -0.07em;
      }

      .hero-description {
        width: min(660px, 100%);
        margin-top: 1.25rem;
        font-size: 1rem;
        line-height: 2.05;
      }

      .hero-action-list {
        display: flex;
        gap: 1rem;
      }

      .hero-link {
        width: clamp(214px, 27vw, 250px);
        height: 60px;
      }

      .hero-bottom-marquee {
        bottom: 24px;
      }

      .hero-bottom-marquee-item {
        font-size: clamp(7.5rem, 16vw, 10rem);
      }

      .about-dot {
        width: 18px;
        height: 18px;
      }

    }

    /* Desktop */
    @media (min-width: 1280px) {
      :root {
        --site-header-height: clamp(96px, 5.08vw, 104px);
      }

      .site-header {
        height: clamp(96px, 5.08vw, 104px);
        padding: calc(var(--menu-button-offset-y) + (var(--menu-button-size) - 44px) / 2) clamp(48px, 4.7vw, 96px) 0;
      }

      .brand-mark {
        font-size: clamp(43px, 2.39vw, 49px);
      }

      .brand-company {
        margin-left: 8px;
        padding-bottom: 3px;
        font-size: clamp(18px, 0.98vw, 20px);
      }

      .menu-button {
        width: 56px;
        height: 56px;
      }

      .menu-lines {
        width: 24px;
      }

      .hero-section {
        min-height: clamp(820px, 46.875vw, 960px);
        padding-bottom: 10rem;
      }

      .hero-content {
                        width: min(760px, 52vw);
        margin-left: clamp(105px, 12.38vw, 226px);
        padding-top: clamp(150px, 9vw, 155px);
      }

      .hero-title {
        font-size: 3.3rem;
        line-height: 1.32;
      }

      .hero-description {
        width: clamp(500px, 35vw, 680px);
        margin-top: 2.25rem;
        font-size: 1.125rem;
        line-height: 1.8;
      }

      .hero-action-list {
        display: flex;
        gap: 1.5rem;
        margin-top: 2.5rem;
        font-size: 1.125rem;
        line-height: 1.5;
      }

      .hero-link {
        width: clamp(224px, 12.7vw, 260px);
        height: clamp(64px, 3.52vw, 72px);
      }

      .visual-main {
        top: 108px;
        right: clamp(334px, 19.14vw, 392px);
        width: clamp(368px, 18.55vw, 380px);
        aspect-ratio: 4 / 5;
      }

      .visual-side {
        top: clamp(235px, 13.48vw, 276px);
        right: 0;
        width: clamp(278px, 16.02vw, 328px);
        aspect-ratio: 4 / 5;
      }

      .visual-building {
               top: clamp(220px, 11.04vw, 300px);
        left: -170px;
        width: clamp(280px, 19.7vw, 310px);
        aspect-ratio: 4 / 5;

      }

      .hero-bottom-marquee {
        bottom: clamp(18px, 3vw, 42px);
      }

      .hero-bottom-marquee-item {
        font-size: clamp(9rem, 13vw, 15rem);
      }

      .about-dot {
        width: 12px;
        height: 12px;
      }

    }

    /* Wide desktop: keep the 1840px hero composition and scale it up. */
    @media (min-width: 1841px) {
      .hero-section {
        min-height: 46.875vw;
      }

      .hero-content {
        width: 41.304vw;
        margin-left: 17.38vw;
        padding-top: 8vw;
      }

      .hero-description {
        width: 34vw;
      }

      .hero-link {
        width: 12.7vw;
        height: 3.52vw;
      }

      .visual-main {
        top: 5.87vw;
        right: 19.14vw;
        width: 18.55vw;
      }

      .visual-side {
        top: 13.48vw;
        width: 16.02vw;
      }

      .visual-building {
        top: 19.04vw;
        width: 12.7vw;
      }

      .hero-bottom-marquee {
        bottom: 3vw;
      }

      .hero-bottom-marquee-item {
        font-size: 13vw;
      }
    }

    @media (min-width: 1280px) {
      .desktop-navigation {
        display: block;
        /* PCのみ：スクロール追従のヘッダー固定。topはハンバーガーの垂直中心(10px+70/2)に整列し、translateY(-50%)でピル全体を中央寄せ。rightは元のヘッダー右余白+margin-rightと同値を維持 */
        position: fixed;
        top: calc(var(--menu-button-offset-y) + var(--menu-button-size) / 2);
        right: calc(clamp(48px, 4.7vw, 96px) + var(--menu-button-size) + 20px);
        transform: translateY(-50%);
        z-index: 1000;
        padding: 19px 30px;
        border-radius: 50px;
        background: rgb(220 236 255 / 22%);
        -webkit-backdrop-filter: blur(6px) saturate(140%);
        backdrop-filter: blur(6px) saturate(140%);
      }

      .menu-button {
        display: none;
      }

      .global-nav-list {
        display: flex;
        align-items: center;
        gap: clamp(18px, 1.5vw, 31px);
        padding-top: 1px;
        color: var(--ink);
        font-weight: 500;
        letter-spacing: 0.055em;
      }

      .global-nav-list a {
        color: inherit;
        text-decoration: none;
      }

      .entry-item {
        margin-left: 10px;
      }

      .entry-link {
        display: inline-flex;
        width: clamp(176px, 10.1vw, 207px);
        height: clamp(62px, 3.52vw, 72px);
        align-items: center;
        justify-content: center;
        gap: clamp(14px, 1vw, 21px);
        border-radius: 9999px;
        background: var(--action);
        color: #fff !important;
      }

    }

    /* ===== 07. FEATURES ===== */
    .features-head,
    .section-head {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
      margin-bottom: 2.5rem;
    }

    .features-head-main,
    .section-head-main {
      position: relative;
      min-width: 0;
    }

    .section-title {
      margin: 0;
      font-size: 1.675rem;
      font-weight: 700;
      line-height: 1.4;
      letter-spacing: 0.01em;
    }

    .section-title-line {
      display: block;
    }

    .section-lead {
      min-width: 0;
      font-size: 0.875rem;
    }

    .section-lead-rule {
      display: block;
      width: 30px;
      height: 2px;
      background: var(--action);
    }

    .features-section .about-kicker,
    .pricing-section .about-kicker,
    .flow-section .about-kicker,
    .faq-section .about-kicker {
      gap: 0.75rem;
    }

    .section-lead p {
      margin: 0;
      font-weight: 500;
      color: var(--ink);
      letter-spacing: 0.02em;
    }

    .feature-card-accent {
      background: radial-gradient(at 81% 55%, #0d6efd 0px, transparent 50%), radial-gradient(at 37% 34%, hsla(212, 99%, 50%, 1) 0px, transparent 50%), radial-gradient(at 15% 54%, hsla(205, 91%, 50%, 1) 0px, transparent 50%), radial-gradient(at 67% 93%, hsla(195, 100%, 74%, 1) 0px, transparent 50%), radial-gradient(at 43% 32%, hsl(220.51deg 100% 50%) 0px, transparent 109%);
    }

    /* ===== 08. PRICE ===== */
    .price-card-accent {
      background: radial-gradient(at 81% 55%, #0d6efd 0px, transparent 50%), radial-gradient(at 37% 34%, hsla(212, 99%, 50%, 1) 0px, transparent 50%), radial-gradient(at 15% 54%, hsla(205, 91%, 50%, 1) 0px, transparent 50%), radial-gradient(at 67% 93%, hsla(195, 100%, 74%, 1) 0px, transparent 50%), radial-gradient(at 43% 32%, hsl(220.51deg 100% 50%) 0px, transparent 109%);
    }

    @media (min-width: 768px) {
      .section-lead p {
        line-height: 1.8;
      }
    }

    @media (min-width: 768px) and (max-width: 1279px) {
      .features-head,
      .section-head {
        flex-direction: row;
        align-items: flex-end;
        justify-content: space-between;
        gap: 2rem;
        margin-bottom: 3.5rem;
      }

      .section-title {
        font-size: 2rem;
      }

      .section-lead {
        max-width: 24rem;
      }

      .section-lead p {
        line-height: 1.7;
      }

      .features-section .about-kicker,
      .pricing-section .about-kicker,
      .flow-section .about-kicker,
      .faq-section .about-kicker {
        gap: 0.875rem;
      }
    }

    @media (min-width: 1280px) {
      .features-head,
      .section-head {
        flex-direction: row;
        align-items: flex-end;
        justify-content: space-between;
        gap: 3rem;
        margin-bottom: 72px;
      }

      .section-title {
        font-size: 2rem;
      }

      .features-head-main,
      .section-head-main {
        flex: 1;
      }

      .section-lead {
        font-size: 1rem;
        max-width: 28rem;
        padding-bottom: 4px;
      }

      .section-lead p {
        line-height: 1.7;
      }

      .features-section .about-kicker,
      .pricing-section .about-kicker,
      .flow-section .about-kicker,
      .faq-section .about-kicker {
        gap: 0.625rem;
      }
    }

    /* Reduced motion support: loader / hero / features. */
    @media (prefers-reduced-motion: reduce) {
      .hero-bottom-marquee-track {
        animation-play-state: paused;
      }

      .loader-wrap {
        display: none;
      }

      .hero-intro-item,
      .js-pika-gradient-layer,
      .feature-card,
      .visual-photo {
        opacity: 1;
        transform: none;
        filter: none;
      }

      .hero-bottom-marquee {
        opacity: 1;
        transform: none;
      }

      .visual-photo img {
        filter: none;
        opacity: 1;
      }

      .ripple-reveal-canvas {
        display: none;
      }

      .js-pika-default {
        color: var(--action);
        background-image: none;
        filter: none;
      }

      /* グラデ文字「選ぶ」は塗りを透明にして背景を透かす方式のため、
         アニメ無効時は背景が消えて文字も透明化する。塗り色を戻して可視化する。 */
      .hero-title .select-word {
        background-image: none;
        -webkit-text-fill-color: var(--action);
      }

      .pika-gradient-overlay {
        display: none;
      }

      .hero-rainbow-link {
        animation: none !important;
      }
    }

    /* ===== 09. FLOW ===== */

    /* ===== 10. Blog ===== */
    .blog-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      gap: 1.5rem;
    }

    .blog-card {
      display: flex;
      min-width: 0;
      flex-direction: column;
      overflow: hidden;
      border: 1px solid rgba(16, 40, 88, 0.1);
      border-radius: 1.25rem;
      background: #fff;
      color: var(--ink);
      text-decoration: none;
      transition: transform 200ms ease;
    }

    .blog-card:focus-visible {
      border-color: var(--action);
      outline: 2px solid var(--action);
      outline-offset: 4px;
      transform: translateY(-2px);
    }

    .blog-card-image {
      display: block;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #e8e2da;
    }

    .blog-card-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 300ms ease;
    }

    .blog-card-content {
      display: flex;
      flex: 1;
      flex-direction: column;
      align-items: flex-start;
      padding: 1.25rem;
    }

    .blog-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 1rem;
    }

    .blog-date {
      display: inline-flex;
      min-height: 1.6rem;
      align-items: center;
      justify-content: center;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      background: var(--action);
      color: #fff;
      font-family: "Space Grotesk", "Zen Kaku Gothic New", sans-serif;
      font-size: 0.75rem;
      font-weight: 500;
      line-height: 1;
      letter-spacing: 0.04em;
    }

    .blog-category {
      color: rgba(16, 40, 88, 0.7);
      font-size: 0.75rem;
      font-weight: 500;
      line-height: 1.5;
      letter-spacing: 0.04em;
    }

    .blog-card-title {
      display: -webkit-box;
      overflow: hidden;
      margin: 0;
      color: var(--ink);
      font-size: 1rem;
      font-weight: 700;
      line-height: 1.7;
      letter-spacing: 0.02em;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 3;
    }

    @media (hover: hover) {
      .blog-card:hover {
        transform: translateY(-2px);
      }

      .blog-card:hover .blog-card-image img {
        transform: scale(1.025);
      }
    }

    @media (min-width: 768px) {
      .blog-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 2rem;
      }
    }

    @media (min-width: 1280px) {
      .blog-grid {
        gap: 2.5rem;
      }

      .blog-card-content {
        padding: 1.4rem;
      }

      .blog-card-title {
        font-size: 1.125rem;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      .blog-card,
      .blog-card-image img {
        transition: none;
      }

      .blog-card:hover,
      .blog-card:focus-visible,
      .blog-card:hover .blog-card-image img {
        transform: none;
      }
    }

    /* ===== 11. FAQ ===== */
    .faq-q::-webkit-details-marker {
      display: none;
    }

    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      top: 50%;
      left: 50%;
      width: 14px;
      height: 2px;
      border-radius: 2px;
      background: var(--action);
      transform: translate(-50%, -50%);
      transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .faq-icon::after {
      transform: translate(-50%, -50%) rotate(90deg);
    }

    .faq-item[open] .faq-icon::after {
      opacity: 0;
      transform: translate(-50%, -50%) rotate(0deg);
    }

    @media (prefers-reduced-motion: reduce) {
      .faq-a,
      .faq-icon::before,
      .faq-icon::after {
        transition: none;
      }
    }

    /* ===== 11. CTA ===== */
    .cta-section {
      position: relative;
      padding: 6rem 1.25rem;
        background: linear-gradient(64deg, #f3f6ff 0, #ebf3ff 20%, #e8f3ff 51%, #f7fcfe 78%, #ddeeff 100%);
        background-size: cover;
    }

    .cta-inner {
      max-width: 1200px;
      margin: 0 auto;
    }

    .cta-link {
      position: relative;
      isolation: isolate;
      display: block;
      overflow: hidden;
      padding: 2.25rem 1.75rem;
      border-radius: 1.25rem;
      color: #fff;
      text-decoration: none;
      background: #0d6efd;
      transition: opacity 0.2s ease;
    }

    .cta-shader-background {
      position: absolute;
      inset: 0;
      z-index: 0;
      display: block;
      width: 75%;
      height: 75%;
      pointer-events: none;
      transform: scale(1.334);
      transform-origin: left top;
    }

    .cta-link::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 1;
      pointer-events: none;
      background: radial-gradient(at 61% 65%, #0d6efd 0px, transparent 50%), radial-gradient(at 37% 34%, hsla(212, 99%, 50%, 1) 0px, transparent 50%), radial-gradient(at 15% 54%, hsla(205, 91%, 50%, 1) 0px, transparent 50%), radial-gradient(at 67% 93%, hsl(177.55deg 100% 64.05%) 0px, transparent 50%), radial-gradient(at 43% 32%, hsl(226deg 100% 50%) 0px, transparent 189%);
    }

    .cta-link:hover {
      opacity: 0.96;
    }

    .cta-link:focus-visible {
      outline: 2px solid var(--action);
      outline-offset: 4px;
    }

    .cta-content {
      position: relative;
      z-index: 2;
      display: grid;
      gap: 2rem;
    }

    .cta-title {
      display: block;
      color: #fff;
      font-family: "Space Grotesk", "Zen Kaku Gothic New", sans-serif;
      font-size: 2.85rem;
      font-weight: 500;
      line-height: 1;
      letter-spacing: -0.02em;
    }

    .cta-subtitle {
      display: block;
      margin-top: 1rem;
      color: #fff;
      font-size: 1.25rem;
      font-weight: 500;
      line-height: 1.45;
      letter-spacing: 0.04em;
    }

    .cta-text {
      display: block;
      color: #fff;
      font-size: 1rem;
      font-weight: 500;
      line-height: 1.85;
      letter-spacing: 0.04em;
    }

    .cta-break-desktop {
      display: none;
    }

    .cta-arrow {
      display: inline-flex;
      width: 4rem;
      height: 4rem;
      align-items: center;
      justify-content: center;
      margin-left: auto;
      border-radius: 9999px;
      background: rgba(255, 255, 255, 0.3);
      color: #fff;
      box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.06);
      transition: transform 0.3s ease;
      -webkit-backdrop-filter: blur(8px) saturate(140%);
    backdrop-filter: blur(8px) saturate(140%);
    }

    .cta-arrow svg {
      width: 1.25rem;
      height: 1.25rem;
    }

    .cta-link:hover .cta-arrow,
    .cta-link:focus-visible .cta-arrow {
      transform: translateX(4px);
    }

    @media (min-width: 600px) {
      .cta-title {
        font-size: 3.4rem;
      }
    }

    @media (min-width: 768px) {
      .cta-section {
        padding: 5rem 2.5rem;
                background: linear-gradient(64deg, #f3f6ff 0, #ebf3ff 20%, #e8f3ff 51%, #f7fcfe 78%, #ddeeff 100%);
        background-size: cover;
      }

      .cta-link {
        padding: 3rem;
      }

      .cta-content {
        grid-template-columns: minmax(0, 1fr) minmax(280px, 0.86fr) 80px;
        align-items: center;
        gap: 2.5rem;
      }

      .cta-title {
        font-size: 4rem;
      }

      .cta-subtitle {
        font-size: 1.4rem;
      }

      .cta-text {
        font-size: 1.125rem;
      }

      .cta-arrow {
        width: 5rem;
        height: 5rem;
      }

      .cta-arrow svg {
        width: 1.5rem;
        height: 1.5rem;
      }
    }

    @media (min-width: 1280px) {
      .cta-section {
        padding: 6rem;
        background: linear-gradient(64deg, #f3f6ff 0, #ebf3ff 20%, #e8f3ff 51%, #f7fcfe 78%, #ddeeff 100%);
        background-size: cover;
      }

      .cta-link {
        padding: 6.5rem 4rem;
      }

      .cta-content {
        grid-template-columns: minmax(0, 1fr) minmax(340px, 0.86fr) 96px;
        gap: 3.5rem;
      }

      .cta-title {
        font-size: 4rem;
      }

      .cta-subtitle {
        margin-top: 1.25rem;
        font-size: 1.5rem;
      }

      .cta-text {
        font-size: 1.1rem;
        line-height: 1.75;
      }

      .cta-break-desktop {
        display: block;
      }

      .cta-arrow {
        width: 6rem;
        height: 6rem;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      .cta-link,
      .cta-arrow {
        transition: none;
      }

      .cta-link:hover .cta-arrow,
      .cta-link:focus-visible .cta-arrow {
        transform: none;
      }
    }

    /* ===== 12. ANIMATION / REDUCED MOTION =====
       Reduced-motion media queries remain colocated with their sections in this stage
       to avoid changing animation cascade or runtime behavior. */

    /* ===== 13. NO-HEAVY-ANIMATION 静止状態 =====
       gate が html.no-heavy-animation を付与（+ is-loading 除去）した時、アニメを待たず最終状態を即表示。
       noscript(no-JS)フォールバックと同等＋取りこぼし(.faq-item / .flow-step)を補完し、
       全テキスト・全セクションをボット(Googlebot含む)に見せSEO損失を防ぐ。 */
    html.no-heavy-animation.is-loading,
    html.no-heavy-animation body.is-loading {
      height: auto;
      overflow: auto;
    }

    html.no-heavy-animation .loader-wrap {
      display: none;
    }

    html.no-heavy-animation .hero-intro-item,
    html.no-heavy-animation .js-pika-gradient-layer,
    html.no-heavy-animation .feature-card,
    html.no-heavy-animation .flow-step,
    html.no-heavy-animation .faq-item,
    html.no-heavy-animation .visual-photo {
      opacity: 1;
      transform: none;
      filter: none;
    }

    html.no-heavy-animation .hero-bottom-marquee {
      opacity: 1;
      transform: none;
    }

    html.no-heavy-animation .visual-photo img {
      filter: none;
      opacity: 1;
      visibility: visible;
    }

    html.no-heavy-animation .ripple-reveal-canvas {
      display: none;
    }

    html.no-heavy-animation .js-pika-default {
      color: var(--action);
      background-image: none;
      filter: none;
    }

    html.no-heavy-animation .hero-title .select-word {
      background-image: none;
      -webkit-text-fill-color: var(--action);
    }

    html.no-heavy-animation .pika-gradient-overlay {
      display: none;
    }

    /* ===== 14. PRIVACY PAGE 本文 ===== */
    .privacy-inner {
      max-width: 860px;
      min-height: 500px;
      margin-left: auto;
      margin-right: auto;
      font-weight: 500;
      line-height: 1.9;
      letter-spacing: 0.02em;
      color: rgba(16, 40, 88, 0.8);
    }
    .privacy-lead {
      margin: 0;
    }
    .privacy-block {
      margin-top: 2.5rem;
    }
    .privacy-block p {
      margin-top: 1rem;
    }
    .privacy-list {
      margin-top: 1rem;
      padding-left: 1.4em;
      list-style: disc;
    }
    .privacy-list li {
      margin-top: 0.4em;
    }
    .privacy-block a {
      color: var(--action);
      text-decoration: underline;
      text-underline-offset: 2px;
    }
    .privacy-block a:hover {
      text-decoration: none;
    }
    .privacy-date {
      margin-top: 2.5rem;
      font-size: 0.875rem;
      color: rgba(16, 40, 88, 0.6);
    }
    @media (min-width: 1280px) {
      .privacy-inner {
        font-size: 1.125rem;
        line-height: 2.15;
      }
    }

    /* ===== 15. PRIVACY HERO 高さ500px ===== */
    .hero-section.privacy-hero {
      min-height: 200px;
    }
    .hero-section.privacy-hero .visual-building {
      display: none;
    }

    /* ===== 16. VIDEO LIGHTBOX ===== */
    /* 「デザインを見る」から開く紹介動画。装飾なし(暗幕+中央の動画のみ)。
       スクロールロックはメニューと同じ .is-locked をJS側で共用する */
    .video-lightbox {
      width: min(92vw, 1100px);
      /* 横長画面でも動画+閉じるボタンが縦に収まるよう、高さ起点でも幅を制限(16:9維持) */
      width: min(92vw, 1100px, calc((100dvh - 128px) * 16 / 9));
      max-width: none;
      max-height: none;
      margin: auto;
      padding: 0;
      border: none;
      background: transparent;
      overflow: visible;
      opacity: 0;
      transform: translateY(12px) scale(0.985);
      transition:
        opacity 0.28s ease,
        transform 0.28s ease,
        overlay 0.28s ease allow-discrete,
        display 0.28s ease allow-discrete;
    }
    .video-lightbox[open] {
      opacity: 1;
      transform: none;
    }
    @starting-style {
      .video-lightbox[open] {
        opacity: 0;
        transform: translateY(12px) scale(0.985);
      }
    }
    .video-lightbox::backdrop {
      background: rgba(7, 16, 38, 0.82);
      opacity: 0;
      transition:
        opacity 0.28s ease,
        overlay 0.28s ease allow-discrete,
        display 0.28s ease allow-discrete;
    }
    .video-lightbox[open]::backdrop {
      opacity: 1;
    }
    @starting-style {
      .video-lightbox[open]::backdrop {
        opacity: 0;
      }
    }
    .video-lightbox-player {
      display: block;
      width: 100%;
      height: auto;
      aspect-ratio: 16 / 9;
      border-radius: 1rem; /* 既存カードと同じ rounded-2xl 相当 */
      background: #000;
    }
    .video-lightbox-close {
      position: absolute;
      right: 0;
      bottom: calc(100% + 10px);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      padding: 0;
      border: none;
      border-radius: 9999px;
      background: transparent;
      color: #fff;
      cursor: pointer;
    }
    .video-lightbox-close:hover {
      background: rgba(255, 255, 255, 0.16);
    }
    @media (prefers-reduced-motion: reduce) {
      .video-lightbox,
      .video-lightbox::backdrop {
        transition: none;
      }
    }
    html.no-heavy-animation .video-lightbox,
    html.no-heavy-animation .video-lightbox::backdrop {
      transition: none;
    }

    /* ===== 17. BLOG: ホームページ作成前チェックリスト ===== */
    #website-checklist .salon-checklist-wrapper {
      width: 100%;
      max-width: 800px;
      margin: 1.5rem auto 0;
    }

    #website-checklist .salon-checklist-wrapper,
    #website-checklist .salon-checklist-wrapper *,
    #website-checklist .salon-checklist-wrapper *::before,
    #website-checklist .salon-checklist-wrapper *::after {
      box-sizing: border-box;
    }

    #website-checklist .salon-checklist-container {
      width: 100%;
      margin: 0;
      padding: 1rem;
      border: 1px solid rgba(16, 40, 88, 0.12);
      border-radius: 1rem;
      background: #fff;

      color: var(--ink);
      font: inherit;
    }

    #website-checklist .sc-description {
      margin: 0 0 1.5rem;
      color: rgba(16, 40, 88, 0.72);
      font-size: inherit;
      font-weight: 500;
      line-height: inherit;
    }

    #website-checklist .sc-section {
      min-width: 0;
      margin: 0 0 2rem;
      padding: 0;
      border: 0;
    }

    #website-checklist .sc-section:last-of-type {
      margin-bottom: 0;
    }

    #website-checklist .sc-section-header {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      align-items: baseline;
      gap: 0.625rem;
      width: 100%;
      margin: 0 0 0.875rem;
      padding: 0;
    }

    #website-checklist .sc-section-number {
      color: var(--action);
      font-family: "Space Grotesk", sans-serif;
      font-size: 0.875rem;
      font-weight: 700;
      line-height: 1.5;
      letter-spacing: 0.05em;
    }

    #website-checklist .sc-section-title {
      color: var(--ink);
      font-size: inherit;
      font-weight: 700;
      line-height: 1.6;
      letter-spacing: 0.01em;
    }

    #website-checklist .sc-list,
    #website-checklist .sc-highlight-list {
      display: grid;
      gap: 0.5rem;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    #website-checklist .sc-item {
      position: relative;
      margin: 0;
      padding: 0;
    }

    #website-checklist .sc-checkbox {
      position: absolute;
      width: 1px;
      height: 1px;
      margin: -1px;
      padding: 0;
      overflow: hidden;
      clip: rect(0 0 0 0);
      clip-path: inset(50%);
      border: 0;
      white-space: nowrap;
    }

    #website-checklist .sc-label {
      display: flex;
      align-items: flex-start;
      gap: 0.75rem;
      min-height: 48px;
      padding: 0.75rem;
      border: 1px solid rgba(16, 40, 88, 0.12);
      border-radius: 6px;
      background: #fff;
      color: var(--ink);
      cursor: pointer;
      user-select: none;
      transition: background-color 0.18s ease, border-color 0.18s ease;
    }

    #website-checklist .sc-custom-box {
      display: inline-flex;
      flex: 0 0 20px;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      margin-top: 0.2em;
      border: 1.5px solid rgba(16, 40, 88, 0.3);
      border-radius: 4px;
      background: #fff;
      transition: background-color 0.18s ease, border-color 0.18s ease;
    }

    #website-checklist .sc-custom-box svg {
      width: 12px;
      height: 12px;
      fill: none;
      stroke: #fff;
      stroke-width: 2.5;
      stroke-linecap: round;
      stroke-linejoin: round;
      opacity: 0;
      transform: scale(0.7);
      transition: opacity 0.15s ease, transform 0.15s ease;
    }

    #website-checklist .sc-item-content {
      display: grid;
      min-width: 0;
      gap: 0.2rem;
    }

    #website-checklist .sc-item-title {
      color: var(--ink);
      font-size: inherit;
      font-weight: 700;
      line-height: 1.65;
    }

    #website-checklist .sc-item-desc {
      color: rgba(16, 40, 88, 0.72);
      font-size: 0.875rem;
      font-weight: 500;
      line-height: 1.8;
    }

    #website-checklist .sc-checkbox:checked + .sc-label {
      border-color: rgba(20, 118, 231, 0.35);
      background: #f0f6ff;
    }

    #website-checklist .sc-checkbox:checked + .sc-label .sc-custom-box {
      border-color: var(--action);
      background: var(--action);
    }

    #website-checklist .sc-checkbox:checked + .sc-label .sc-custom-box svg {
      opacity: 1;
      transform: scale(1);
    }

    #website-checklist .sc-checkbox:focus-visible + .sc-label {
      outline: 2px solid var(--action);
      outline-offset: 2px;
    }

    #website-checklist .sc-highlight-box {
      margin: 2.25rem 0 0;
      padding: 1.25rem;
      border: 1px solid rgba(16, 40, 88, 0.12);

      border-radius: 0 6px 6px 0;
      background: #f8fafc;
    }

    #website-checklist .sc-highlight-head {
      margin: 0 0 0.75rem;
      color: var(--ink);
      font-size: inherit;
      font-weight: 700;
      line-height: 1.6;
      letter-spacing: 0.02em;
    }

    #website-checklist .sc-highlight-list {
      gap: 0.625rem;
    }

    #website-checklist .sc-highlight-list + p {
      margin-top: 1.25rem;
    }

    #website-checklist .sc-highlight-item {
      display: flex;
      align-items: flex-start;
      gap: 0.625rem;
      color: var(--ink);
      font-size: inherit;
      font-weight: 700;
      line-height: 1.65;
    }

    #website-checklist .sc-highlight-dot {
      flex: 0 0 6px;
      width: 6px;
      height: 6px;
      margin-top: 0.7em;
      border-radius: 50%;
      background: var(--action);
    }

    #website-checklist .sc-action-area {
      margin-top: 2rem;
      padding-top: .5rem;

      text-align: center;
    }

    #website-checklist .sc-download-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.625rem;
      width: 100%;
      max-width: 380px;
      min-height: 48px;
      padding: 0.875rem 1rem;
      border: 1px solid var(--action);
      border-radius: 50px;
      background: var(--action);
      color: #fff;
      font: inherit;
      font-weight: 700;
      line-height: 1.5;
      letter-spacing: 0.02em;
      text-align: center;
      text-decoration: none;
      transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
    }

    #website-checklist .sc-download-btn:focus-visible {
      outline: 2px solid var(--action);
      outline-offset: 3px;
    }

    #website-checklist .sc-download-icon {
      flex: 0 0 16px;
      width: 16px;
      height: 16px;
      fill: none;
      stroke: currentColor;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    @media (hover: hover) {
      #website-checklist .sc-label:hover {
        border-color: rgba(16, 40, 88, 0.25);
        background: #f8fafc;
      }

      #website-checklist .sc-download-btn:hover {
        border-color: #0d63cc;
        background: #0d63cc;
        transform: translateY(-1px);
      }
    }

    @media (max-width: 640px) {
      #website-checklist .salon-checklist-container {
        padding: 0;
        border: 0;
      }
    }

    @media (min-width: 641px) {
      #website-checklist .salon-checklist-container {
        padding: 2rem 1.75rem;
      }

      #website-checklist .sc-description {
        margin-bottom: 2rem;
      }

      #website-checklist .sc-label {
        gap: 0.875rem;
        padding: 0.875rem 1rem;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      #website-checklist .sc-label,
      #website-checklist .sc-custom-box,
      #website-checklist .sc-custom-box svg,
      #website-checklist .sc-download-btn {
        transition: none;
      }
    }