:root {
      --blue: #0057c8;
      --navy: #081f3f;
      --line: #e8eef7;
      --teal: #00a7a7;
      --green: #16a34a;
      --shadow: 0 14px 34px rgba(8,31,63,.12);
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      background: #fff;
      color: var(--navy);
      font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Yu Gothic", YuGothic, "Hiragino Sans", "Noto Sans JP", Arial, sans-serif;
      letter-spacing: .04em;
    }

    a { color: inherit; text-decoration: none; }
    .sp-only { display: inline; }

    .phone-frame {
      min-height: 100vh;
      background: #fff;
    }

    .lp-header {
      height: 52px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 18px;
      background: rgba(255,255,255,.96);
      border-bottom: 1px solid rgba(232,238,247,.9);
      position: relative;
      z-index: 5;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      height: 30px;
    }

    .logo img {
      display: block;
      width: auto;
      height: 22px;
    }

    .site-top-link {
      color: var(--navy);
      font-size: 12px;
      line-height: 1;
      font-weight: 900;
      letter-spacing: .04em;
      white-space: nowrap;
    }

    .hero {
      position: relative;
      height: 242px;
      overflow: hidden;
      background: #f7fbff;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url("../assets/hero-1on1-mobile.webp");
      background-size: cover;
      background-position: right center;
      z-index: 0;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.88) 43%, rgba(255,255,255,.30) 72%, rgba(255,255,255,0) 100%),
        linear-gradient(180deg, rgba(255,255,255,.08) 0%, rgba(255,255,255,.02) 72%, rgba(255,255,255,0) 100%);
      z-index: 1;
      pointer-events: none;
    }

    .hero-copy {
      position: relative;
      z-index: 2;
      width: 64%;
      padding: 18px 0 18px 20px;
      text-align: left;
    }

    .eyebrow {
      margin: 0 0 6px;
      color: var(--teal);
      font-size: 10px;
      line-height: 1.35;
      font-weight: 900;
      letter-spacing: .08em;
    }

    .eyebrow::after {
      content: "";
      display: block;
      width: 36px;
      height: 2px;
      margin-top: 7px;
      background: var(--teal);
      border-radius: 999px;
    }

    .hero h1 {
      margin: 0 0 8px;
      color: var(--navy);
      font-size: 38px;
      line-height: 1.02;
      font-weight: 900;
      letter-spacing: .02em;
    }

    .lead {
      width: 100%;
      margin: 0 0 12px;
      color: var(--navy);
      font-size: 11px;
      line-height: 1.65;
      font-weight: 900;
      letter-spacing: .03em;
    }

    .main-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 14px;
      width: 206px;
      height: 40px;
      border-radius: 999px;
      background: var(--green);
      color: #fff;
      font-size: 12px;
      font-weight: 900;
      box-shadow: 0 12px 26px rgba(22,163,74,.30);
    }

    .main-cta::after,
    .white-cta::after {
      content: "";
      width: 8px;
      height: 8px;
      border-top: 2px solid currentColor;
      border-right: 2px solid currentColor;
      transform: rotate(45deg);
      margin-left: 2px;
    }

    .section-title {
      display: block;
      margin: 0 0 18px;
      color: var(--navy);
      text-align: center;
      font-size: 21px;
      line-height: 1.45;
      font-weight: 900;
      letter-spacing: .08em;
    }

    .section-title::after {
      content: "";
      display: block;
      width: 56px;
      height: 2px;
      margin: 9px auto 0;
      background: var(--teal);
      border-radius: 999px;
    }

    .use-section,
    .support-section,
    .flow-section {
      padding: 34px 18px 0;
      background: #fff;
    }

    .use-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    .use-card,
    .support-card,
    .flow-card {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(232,238,247,.95);
      border-radius: 14px;
      background: #fff;
      box-shadow: 0 10px 24px rgba(8,31,63,.08);
      text-align: center;
    }

    .use-card {
      min-height: 180px;
      padding: 16px 8px 14px;
    }

    .use-icon,
    .support-icon,
    .flow-icon {
      display: grid;
      place-items: center;
      margin: 0 auto 12px;
      color: #08749a;
      background: #eef9fb;
      border-radius: 999px;
    }

    .use-icon {
      width: 52px;
      height: 52px;
    }

    .use-icon svg,
    .support-icon svg,
    .flow-icon svg {
      width: 32px;
      height: 32px;
      fill: none;
      stroke: currentColor;
      stroke-width: 1.8;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .use-card h3 {
      margin: 0 0 10px;
      color: var(--navy);
      font-size: 13px;
      line-height: 1.55;
      font-weight: 900;
    }

    .use-card p {
      margin: 0;
      color: var(--navy);
      font-size: 10.5px;
      line-height: 1.7;
      font-weight: 800;
      letter-spacing: .02em;
    }

    .support-section {
      padding-top: 34px;
    }

    .support-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    .support-card {
      min-height: 150px;
      padding: 18px 8px 14px;
    }

    .support-number,
    .flow-number {
      position: absolute;
      top: 12px;
      left: 12px;
      display: grid;
      place-items: center;
      width: 30px;
      height: 30px;
      border-radius: 999px;
      background: var(--teal);
      color: #fff;
      font-size: 13px;
      font-weight: 900;
    }

    .support-icon {
      width: 54px;
      height: 54px;
      margin-top: 8px;
    }

    .support-card h3 {
      margin: 0 0 8px;
      color: var(--navy);
      font-size: 13px;
      line-height: 1.5;
      font-weight: 900;
    }

    .support-card p {
      margin: 0;
      color: var(--navy);
      font-size: 10.5px;
      line-height: 1.65;
      font-weight: 800;
    }

    .flow-section {
      padding-top: 34px;
    }

    .flow-list {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 8px;
      align-items: stretch;
    }

    .flow-card {
      min-height: 108px;
      padding: 16px 6px 10px;
    }

    .flow-icon {
      width: 42px;
      height: 42px;
      margin-top: 8px;
      margin-bottom: 8px;
      background: #f4fbfd;
    }

    .flow-icon svg {
      width: 28px;
      height: 28px;
    }

    .flow-card h3 {
      margin: 0;
      color: var(--navy);
      font-size: 11px;
      line-height: 1.45;
      font-weight: 900;
    }

    .bottom-cta {
      margin-top: 36px;
      padding: 34px 20px 36px;
      text-align: center;
      color: #fff;
      background: linear-gradient(135deg, #0057c8 0%, #00a7c8 100%);
    }

    .bottom-cta p {
      margin: 0 0 18px;
      font-size: 22px;
      line-height: 1.65;
      font-weight: 900;
      letter-spacing: .06em;
    }

    .bottom-cta .white-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 14px;
      width: min(100%, 300px);
      height: 52px;
      border-radius: 999px;
      background: #fff;
      color: var(--blue);
      font-size: 15px;
      font-weight: 900;
      box-shadow: 0 12px 26px rgba(0,0,0,.16);
    }

    .lp-footer {
      padding: 24px 18px 30px;
      background: #f8fbff;
      border-top: 1px solid rgba(232,238,247,.9);
    }

    .footer-logo {
      display: flex;
      justify-content: center;
      margin-bottom: 16px;
    }

    .footer-logo img {
      width: auto;
      height: 22px;
      display: block;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px 18px;
      margin-bottom: 14px;
    }

    .footer-links a {
      color: var(--navy);
      font-size: 12px;
      line-height: 1.5;
      font-weight: 800;
      white-space: nowrap;
    }

    .footer-copy {
      margin: 0;
      color: #7b8794;
      text-align: center;
      font-size: 10px;
      line-height: 1.6;
      font-weight: 700;
    }

    @media (max-width: 370px) {
      .hero-copy {
        width: 67%;
        padding-left: 16px;
      }

      .hero h1 {
        font-size: 34px;
      }

      .main-cta {
        width: 194px;
      }

      .use-card h3,
      .support-card h3 {
        font-size: 12px;
      }

      .use-card p,
      .support-card p {
        font-size: 10px;
      }
    }

    @media (min-width: 900px) {
      .sp-only { display: none; }

      .lp-header {
        height: 64px;
        padding: 0 clamp(28px, 4vw, 56px);
      }

      .logo { height: 34px; }
      .logo img { height: 22px; }
      .site-top-link { font-size: 13px; }

      .hero {
        height: 440px;
      }

      .hero::before {
        background-image: url("../assets/hero-1on1.webp");
        background-size: cover;
        background-position: center right;
      }

      .hero::after {
        background:
          linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.88) 31%, rgba(255,255,255,.38) 54%, rgba(255,255,255,0) 78%);
      }

      .hero-copy {
        width: 520px;
        padding: 86px 0 70px;
        margin-left: clamp(44px, 6vw, 86px);
      }

      .eyebrow {
        font-size: 13px;
        margin-bottom: 18px;
      }

      .eyebrow::after {
        width: 42px;
        margin-top: 14px;
      }

      .hero h1 {
        margin-bottom: 18px;
        font-size: 56px;
        line-height: 1.08;
      }

      .lead {
        width: 430px;
        margin-bottom: 28px;
        font-size: 16px;
        line-height: 1.8;
      }

      .main-cta {
        width: 300px;
        height: 54px;
        font-size: 15px;
      }

      .use-section,
      .support-section,
      .flow-section {
        max-width: 1180px;
        margin: 0 auto;
        padding-left: 28px;
        padding-right: 28px;
      }

      .use-section {
        padding-top: 46px;
      }

      .section-title {
        margin-bottom: 28px;
        font-size: 25px;
      }

      .section-title::after {
        width: 64px;
        margin-top: 10px;
      }

      .use-list,
      .support-list {
        gap: 28px;
      }

      .use-card {
        min-height: 210px;
        padding: 30px 24px 24px;
      }

      .use-icon,
      .support-icon {
        width: 68px;
        height: 68px;
        margin-bottom: 18px;
      }

      .use-icon svg,
      .support-icon svg {
        width: 42px;
        height: 42px;
      }

      .use-card h3,
      .support-card h3 {
        font-size: 18px;
        line-height: 1.55;
      }

      .use-card p,
      .support-card p {
        font-size: 14px;
        line-height: 1.8;
      }

      .support-section {
        padding-top: 54px;
      }

      .support-card {
        min-height: 200px;
        padding: 30px 24px 24px;
      }

      .support-number,
      .flow-number {
        top: 18px;
        left: 18px;
        width: 38px;
        height: 38px;
        font-size: 16px;
      }

      .support-icon {
        margin-top: 0;
      }

      .flow-section {
        padding-top: 54px;
      }

      .flow-list {
        gap: 18px;
      }

      .flow-card {
        min-height: 150px;
        padding: 28px 16px 18px;
      }

      .flow-icon {
        width: 58px;
        height: 58px;
        margin-bottom: 12px;
      }

      .flow-icon svg {
        width: 38px;
        height: 38px;
      }

      .flow-card h3 {
        font-size: 15px;
        line-height: 1.5;
      }

      .bottom-cta {
        position: relative;
        max-width: 1120px;
        margin: 48px auto 52px;
        padding: 0 34px;
        min-height: 102px;
        border-radius: 16px;
        display: grid;
        grid-template-columns: 1fr 360px;
        align-items: center;
        gap: 28px;
        overflow: hidden;
        background: linear-gradient(90deg, #1a63d2 0%, #12a9cf 100%);
      }

      .bottom-cta p {
        position: relative;
        margin: 0;
        color: #fff;
        font-size: 22px;
        line-height: 1.65;
        text-align: left;
      }

      .bottom-cta .white-cta {
        justify-self: end;
        width: 100%;
        max-width: 360px;
        height: 48px;
        border-radius: 999px;
        font-size: 14px;
      }

      .lp-footer {
        padding: 34px 28px 38px;
      }
    }



/* ===== Use cards: title only ===== */
.use-card {
  min-height: 132px;
  padding: 18px 8px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.use-card h3 {
  margin: 0;
}

.use-card p {
  display: none;
  margin: 0;
}

@media (max-width: 370px) {
  .use-card {
    min-height: 124px;
    padding: 16px 6px 14px;
  }
}

@media (min-width: 900px) {
  .use-card {
    min-height: 170px;
    padding: 28px 24px 24px;
  }

  .use-card h3 {
    margin: 0;
  }

  .use-card p {
    display: none;
    margin: 0;
  }
}

/* ===== Common Footer ===== */
/* 既存のfooter CSSより後ろに追記してください。style.cssを丸ごと上書きしないこと。 */

.common-footer {
  padding: 32px 22px 34px;
  background: #f8fbff;
  border-top: 1px solid rgba(232, 238, 247, .9);
}

.common-footer .footer-inner {
  width: min(100%, 1120px);
  margin: 0 auto;
}

.common-footer .footer-brand {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.common-footer .footer-brand img {
  display: block;
  width: auto;
  height: 24px;
}

.common-footer .footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 26px;
}

.common-footer .footer-group {
  display: grid;
  gap: 10px;
  align-content: start;
}

.common-footer .footer-heading {
  margin: 0 0 2px;
  color: var(--navy);
  font-size: 13px;
  line-height: 1.5;
  font-weight: 900;
  letter-spacing: .08em;
}

.common-footer .footer-group a {
  color: #516173;
  font-size: 12px;
  line-height: 1.5;
  font-weight: 800;
  letter-spacing: .04em;
}

.common-footer .footer-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: min(100%, 300px);
  height: 48px;
  margin: 0 auto 22px;
  border-radius: 999px;
  background: var(--green, #16a34a);
  color: #fff;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 12px 26px rgba(22, 163, 74, .24);
}

.common-footer .footer-cta::after {
  content: "";
  width: 8px;
  height: 8px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
}

.common-footer .footer-copy {
  margin: 0;
  color: #7b8794;
  text-align: center;
  font-size: 10px;
  line-height: 1.6;
  font-weight: 700;
}

@media (min-width: 900px) {
  .common-footer {
    padding: 42px 28px 44px;
  }

  .common-footer .footer-inner {
    display: grid;
    grid-template-columns: 180px 1fr 300px;
    grid-template-areas:
      "brand nav cta"
      "copy copy copy";
    align-items: start;
    column-gap: 42px;
    row-gap: 26px;
  }

  .common-footer .footer-brand {
    grid-area: brand;
    justify-content: flex-start;
    margin-bottom: 0;
    padding-top: 2px;
  }

  .common-footer .footer-brand img {
    height: 26px;
  }

  .common-footer .footer-nav {
    grid-area: nav;
    grid-template-columns: repeat(2, minmax(150px, 1fr));
    gap: 34px;
    margin-bottom: 0;
  }

  .common-footer .footer-heading {
    font-size: 14px;
  }

  .common-footer .footer-group a {
    font-size: 13px;
  }

  .common-footer .footer-cta {
    grid-area: cta;
    width: 300px;
    height: 50px;
    margin: 0;
    justify-self: end;
    font-size: 14px;
  }

  .common-footer .footer-copy {
    grid-area: copy;
    text-align: center;
  }
}

/* ===== Voice Section refined ===== */
/* 各LPの style.css の末尾に追記してください。前回の Voice Section CSS より後ろに貼れば上書きされます。 */

.voice-section {
  padding: 38px 18px 0;
  background: #fff;
}

.voice-inner {
  width: min(100%, 1120px);
  margin: 0 auto;
}

.voice-title {
  display: block;
  margin: 0 0 8px;
  color: var(--navy, #081f3f);
  text-align: center;
  font-size: 21px;
  line-height: 1.45;
  font-weight: 900;
  letter-spacing: .08em;
}

.voice-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 2px;
  margin: 9px auto 0;
  background: var(--teal, #00a7a7);
  border-radius: 999px;
}

.voice-lead {
  margin: 0 auto 18px;
  color: #516173;
  text-align: center;
  font-size: 11.5px;
  line-height: 1.8;
  font-weight: 800;
}

.voice-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.voice-card {
  position: relative;
  padding: 18px 16px 16px;
  border: 1px solid rgba(232, 238, 247, .95);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(8, 31, 63, .08);
}

.voice-label {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  margin: 0 0 12px;
  padding: 0 12px;
  border-radius: 999px;
  background: #eef9fb;
  color: var(--teal, #00a7a7);
  font-size: 11px;
  line-height: 1.4;
  font-weight: 900;
  letter-spacing: .06em;
}

.voice-label--student {
  background: #eef6ff;
  color: var(--blue, #0057c8);
}

.voice-card h3 {
  position: relative;
  margin: 0 0 12px;
  padding-left: 20px;
  color: var(--navy, #081f3f);
  font-size: 16px;
  line-height: 1.55;
  font-weight: 900;
  letter-spacing: .04em;
}

.voice-card h3::before {
  content: "“";
  position: absolute;
  left: 0;
  top: -7px;
  color: var(--teal, #00a7a7);
  font-size: 30px;
  line-height: 1;
  font-weight: 900;
}

.voice-text {
  margin: 0;
  color: #344256;
  font-size: 11.5px;
  line-height: 1.85;
  font-weight: 800;
}

.voice-meta {
  margin: 14px 0 0;
  padding-top: 11px;
  border-top: 1px dashed rgba(0, 87, 200, .18);
  color: #7b8794;
  font-size: 10.5px;
  line-height: 1.5;
  font-weight: 900;
  letter-spacing: .06em;
}

@media (min-width: 900px) {
  .voice-section {
    padding: 54px 28px 0;
  }

  .voice-title {
    margin-bottom: 10px;
    font-size: 25px;
  }

  .voice-title::after {
    width: 64px;
    margin-top: 10px;
  }

  .voice-lead {
    margin-bottom: 26px;
    font-size: 13px;
  }

  .voice-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .voice-card {
    padding: 24px 24px 22px;
  }

  .voice-label {
    margin-bottom: 16px;
    font-size: 12px;
  }

  .voice-card h3 {
    margin-bottom: 16px;
    padding-left: 24px;
    font-size: 20px;
    line-height: 1.55;
  }

  .voice-card h3::before {
    top: -8px;
    font-size: 36px;
  }

  .voice-text {
    font-size: 13px;
  }

  .voice-meta {
    margin-top: 18px;
    padding-top: 13px;
    font-size: 11px;
  }
}