:root {
  --navy: #0f2742;
  --navy-2: #18395a;
  --blue: #2b77b5;
  --sky: #eaf5ff;
  --green: #3f8f74;
  --gold: #c9a14a;
  --gold-light: #f3e5bd;
  --text: #243142;
  --muted: #657386;
  --line: #dbe5ee;
  --white: #ffffff;
  --offwhite: #f7fbff;
  --shadow: 0 18px 45px rgba(16, 39, 66, 0.12);
  --radius: 22px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Yu Gothic", YuGothic, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.8;
  background: var(--white);
}

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

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

p,
ul {
  margin-top: 0;
}

ul {
  padding-left: 1.2em;
}

li + li {
  margin-top: 0.35em;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.narrow {
  width: min(calc(100% - 40px), 840px);
}

.center {
  text-align: center;
}

.section {
  padding: 88px 0;
}

.section-dark {
  color: var(--white);
  background:
    radial-gradient(circle at 15% 20%, rgba(74, 161, 204, 0.25), transparent 32%),
    linear-gradient(135deg, #0b1b2e 0%, var(--navy) 54%, #174160 100%);
}

.section-light {
  background: linear-gradient(180deg, var(--offwhite) 0%, var(--white) 100%);
}

.section-white {
  background: var(--white);
}

.section-clean {
  background: linear-gradient(180deg, #f7fbff 0%, #eef7ff 100%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(219, 229, 238, 0.9);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--navy);
}

.brand-logo {
  width: 172px;
  height: auto;
}

.brand-mark {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: linear-gradient(135deg, #24a06e, #f4c643 42%, #df5648 72%, #24395e);
  box-shadow: 0 6px 16px rgba(15, 39, 66, 0.18);
}

.header-nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
  font-weight: 700;
  color: var(--navy-2);
}

.header-nav a {
  opacity: 0.82;
}

.header-nav a:hover {
  opacity: 1;
  color: var(--blue);
}

.hero {
  padding: 96px 0 88px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  margin: 0 0 24px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.lead {
  font-size: clamp(16px, 2.2vw, 19px);
  color: rgba(255, 255, 255, 0.86);
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-actions,
.cta-block {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 34px;
}

.center.cta-block {
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 800;
  line-height: 1.3;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #142238;
  background: linear-gradient(135deg, #f6d37b 0%, var(--gold) 100%);
  box-shadow: 0 12px 26px rgba(201, 161, 74, 0.28);
}

.button-secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
}

.button-outline {
  color: var(--blue);
  border: 1px solid rgba(43, 119, 181, 0.28);
  background: var(--white);
  box-shadow: 0 10px 22px rgba(16, 39, 66, 0.08);
}

.button-large {
  min-width: min(100%, 440px);
  min-height: 62px;
  padding: 17px 34px;
  font-size: 19px;
}

.hero-visual {
  margin: 0;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.25);
}

.section-heading {
  max-width: min(100%, 960px);
  margin: 0 auto 46px;
}

.section-heading h2,
.narrow h2,
.feature-copy h2,
.final-cta h2 {
  margin: 0 0 18px;
  color: var(--navy);
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.35;
  text-wrap: balance;
}

.final-title-line {
  display: inline;
}

@media (min-width: 721px) {
  .final-title-line {
    display: block;
    white-space: nowrap;
  }
}

.section-dark .section-heading h2,
.section-dark .final-cta h2,
.section-dark h2 {
  color: var(--white);
}

.section-heading p,
.narrow p,
.feature-copy p {
  color: var(--muted);
}

.section-dark .section-heading p,
.section-dark .narrow p,
.final-cta p {
  color: rgba(255, 255, 255, 0.84);
}

.message-infographic-section {
  padding: 0 0 78px;
  background: var(--white);
}

.message-infographic {
  display: block;
  margin: 0;
}

.message-infographic img {
  width: 100%;
  border: 1px solid rgba(219, 229, 238, 0.92);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.problem-section {
  padding-top: 72px;
}

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

.check-card {
  position: relative;
  padding: 24px 24px 24px 50px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 10px 30px rgba(16, 39, 66, 0.06);
  font-weight: 700;
}

.check-card::before {
  content: "✓";
  position: absolute;
  left: 22px;
  top: 24px;
  color: var(--green);
  font-weight: 900;
}

.step-list {
  display: grid;
  gap: 28px;
}

.step-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: center;
  padding: 34px;
  border: 1px solid rgba(219, 229, 238, 0.9);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.step-card.reverse .step-media {
  order: 2;
}

.step-media {
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, #ffffff 0%, #eff8ff 100%);
}

.step-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 16px;
  object-fit: cover;
}

.step-label,
.plan-label {
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.step-content h3,
.plan-card h3,
.route-card h3 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: clamp(23px, 3vw, 32px);
  line-height: 1.35;
}

.step-subtitle {
  color: var(--blue);
  font-weight: 800;
}

.simple-list {
  margin: 22px 0;
  padding: 0;
  list-style: none;
}

.simple-list li {
  position: relative;
  padding-left: 1.5em;
}

.simple-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.text-link {
  display: inline-flex;
  align-items: center;
  color: var(--blue);
  font-weight: 800;
  border-bottom: 2px solid currentColor;
}

.text-link::after,
.route-card a::after {
  content: "→";
  margin-left: 0.4em;
}

.notice {
  margin: 24px auto 0;
  padding: 18px 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
}

.benefit-prefix {
  margin: 0 0 12px;
  color: var(--navy);
  font-weight: 800;
}

.benefit-table {
  overflow: hidden;
  border-radius: 22px;
  background: var(--white);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
  color: var(--text);
}

.benefit-head,
.benefit-row {
  display: grid;
  grid-template-columns: 0.85fr 1.25fr 1fr;
}

.benefit-head {
  color: var(--white);
  background: linear-gradient(135deg, var(--navy-2), var(--blue));
  font-weight: 800;
}

.benefit-head > div,
.benefit-row > div {
  padding: 24px;
}

.benefit-row + .benefit-row {
  border-top: 1px solid var(--line);
}

.benefit-row > div + div,
.benefit-head > div + div {
  border-left: 1px solid var(--line);
}

.benefit-head > div + div {
  border-left-color: rgba(255, 255, 255, 0.22);
}

.benefit-title span {
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 12px;
  border-radius: 999px;
  color: var(--navy);
  background: var(--gold-light);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.benefit-title strong {
  display: block;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.5;
}

.benefit-detail-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 16px;
  padding: 9px 18px;
  border-radius: 999px;
  color: var(--white);
  background: var(--blue);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.3;
}

.benefit-detail-button::after {
  content: "→";
  margin-left: 0.4em;
}

.feature-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 56px;
  align-items: center;
}

.feature-image {
  margin: 0;
  padding: 24px;
  border-radius: 28px;
  background: linear-gradient(180deg, #edf8ff, #ffffff);
  box-shadow: var(--shadow);
}

.mini-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 26px;
}

.mini-cards div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--offwhite);
}

.mini-cards strong,
.mini-cards span {
  display: block;
}

.mini-cards strong {
  color: var(--navy);
  font-size: 19px;
}

.mini-cards span {
  color: var(--muted);
  font-size: 13px;
}

.campaign-box {
  margin-bottom: 28px;
  padding: 30px;
  border: 1px solid rgba(201, 161, 74, 0.4);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #fffdf6, #ffffff);
  box-shadow: 0 14px 34px rgba(201, 161, 74, 0.12);
  text-align: center;
}

.campaign-label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 5px 14px;
  border-radius: 999px;
  color: #805f13;
  background: var(--gold-light);
  font-size: 13px;
  font-weight: 900;
}

.campaign-box h3 {
  margin: 0 0 18px;
  color: var(--navy);
  font-size: clamp(22px, 3vw, 30px);
}

.campaign-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 10px;
}

.campaign-items span {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--sky);
  color: var(--navy-2);
  font-weight: 800;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: stretch;
}

.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.plan-card.featured {
  border-color: rgba(201, 161, 74, 0.65);
  transform: translateY(-10px);
}

.plan-card.premium {
  border-color: rgba(43, 119, 181, 0.35);
}

.ribbon {
  position: absolute;
  top: 18px;
  right: 18px;
  margin: 0;
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--white);
  background: var(--navy);
  font-size: 12px;
  font-weight: 900;
}

.price {
  margin: 20px 0 4px;
  color: var(--navy);
  font-size: clamp(34px, 4vw, 46px);
  font-weight: 900;
  line-height: 1.1;
}

.price span {
  font-size: 16px;
}

.price-note {
  color: var(--muted);
  font-size: 14px;
}

.plan-card h4 {
  margin: 22px 0 8px;
  color: var(--navy);
  font-size: 16px;
}

.plan-card ul {
  margin-bottom: 0;
}

.plan-button {
  width: 100%;
  min-height: 48px;
  margin-top: auto;
  padding: 12px 18px;
  font-size: 14px;
  text-align: center;
  white-space: normal;
}

.small-note {
  color: var(--muted);
  font-size: 13px;
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.route-grid .section-heading {
  grid-column: 1 / -1;
  margin-left: 0;
  margin-bottom: 24px;
}

.route-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, #ffffff, #f8fcff);
  box-shadow: 0 10px 30px rgba(16, 39, 66, 0.06);
}

.route-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue);
  font-weight: 900;
}

.route-card h3 {
  font-size: 22px;
}

.route-card a {
  color: var(--blue);
  font-weight: 800;
}

.final-cta {
  padding: 88px 0;
}

.site-footer {
  padding: 34px 0;
  color: rgba(255, 255, 255, 0.72);
  background: #071421;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  font-size: 13px;
  font-weight: 700;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.site-footer .small-note {
  color: rgba(255, 255, 255, 0.86);
}

/* Testimonials / proof section
   参考LPに近い、2列の体験談カード型レイアウト。 */
.proof-section {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.proof-section .section-heading {
  margin-bottom: 58px;
}

.proof-section .section-heading::after {
  content: "";
  display: block;
  width: 58px;
  height: 3px;
  margin: 22px auto 0;
  border-radius: 999px;
  background: var(--gold);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: start;
}

.proof-card {
  min-height: 100%;
  padding: 40px;
  border-radius: 10px;
  background: #f5f8fc;
  box-shadow: 0 16px 36px rgba(16, 39, 66, 0.06);
}

.proof-tag {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  margin: 0 0 24px;
  padding: 9px 18px;
  border-radius: 999px;
  color: var(--white);
  background: var(--navy);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.proof-card h3 {
  margin: 0 0 26px;
  padding-left: 16px;
  border-left: 4px solid var(--gold);
  color: var(--navy);
  font-size: clamp(18px, 2.2vw, 21px);
  line-height: 1.7;
  letter-spacing: 0.02em;
}

.proof-person {
  display: flex;
  gap: 16px;
  align-items: center;
  padding-bottom: 22px;
  border-bottom: 1px dashed #cbd6e4;
}

.proof-person img {
  flex: 0 0 58px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  box-shadow: 0 8px 20px rgba(16, 39, 66, 0.13);
}

.proof-name,
.proof-role {
  margin: 0;
}

.proof-name {
  color: var(--navy);
  font-size: 17px;
  font-weight: 900;
  line-height: 1.4;
}

.proof-role {
  color: #66758b;
  font-size: 14px;
  line-height: 1.5;
}

.proof-text {
  padding-top: 26px;
}

.proof-text p {
  margin: 0;
  color: #364354;
  font-size: 15.5px;
  line-height: 2.05;
  letter-spacing: 0.03em;
}

.proof-text p + p {
  margin-top: 20px;
}

.proof-summary {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 34px;
  align-items: center;
  margin-top: 48px;
  padding: 34px;
  border-radius: 18px;
  color: var(--white);
  background:
    radial-gradient(circle at 12% 15%, rgba(201, 161, 74, 0.28), transparent 32%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 58%, #1f4f72 100%);
  box-shadow: var(--shadow);
}

.proof-summary img {
  width: 320px;
  height: 214px;
  max-width: 100%;
  border-radius: 14px;
  object-fit: cover;
}

.proof-summary p {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 800;
  line-height: 1.8;
}

@media (max-width: 980px) {
  .proof-grid,
  .proof-summary {
    grid-template-columns: 1fr;
  }

  .proof-card {
    padding: 32px;
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .step-card,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .step-card.reverse .step-media {
    order: 0;
  }

  .check-grid,
  .plan-grid,
  .route-grid,
  .mini-cards {
    grid-template-columns: 1fr 1fr;
  }

  .proof-card,
  .proof-summary {
    grid-template-columns: 1fr;
  }

  .proof-image,
  .proof-image img,
  .proof-summary img {
    width: 100%;
    max-width: 300px;
  }

  .proof-image {
    margin: 0 auto;
  }

  .proof-image img {
    height: 300px;
  }

  .benefit-head {
    display: none;
  }

  .benefit-row {
    grid-template-columns: 1fr;
  }

  .benefit-row > div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .plan-card.featured {
    transform: none;
  }
}

@media (max-width: 720px) {
  .header-inner {
    min-height: 64px;
  }

  .brand-logo {
    width: 148px;
  }

  .header-nav {
    display: none;
  }

  .section,
  .hero,
  .final-cta {
    padding: 64px 0;
  }

  .container,
  .narrow {
    width: min(calc(100% - 28px), var(--container));
  }

  .hero-actions,
  .cta-block,
  .campaign-items {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .check-grid,
  .plan-grid,
  .route-grid,
  .mini-cards,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .step-card,
  .plan-card,
  .campaign-box,
  .proof-card,
  .proof-summary {
    padding: 24px;
  }

  .message-infographic-section {
    padding: 0 0 56px;
  }

  .message-infographic img {
    border-radius: 16px;
  }

  .proof-image,
  .proof-image img,
  .proof-summary img {
    max-width: 240px;
  }

  .proof-image img,
  .proof-summary img {
    height: 240px;
  }

  .proof-summary img {
    height: 160px;
  }

  .footer-inner {
    display: block;
  }

  .footer-inner p + .footer-links,
  .footer-links + p {
    margin-top: 10px;
  }

  .footer-inner p + p {
    margin-top: 10px;
  }
}