:root {
  --color-navy: #10233f;
  --color-navy-deep: #071527;
  --color-blue: #2f6f9f;
  --color-accent: #c46f4d;
  --color-accent-dark: #a95738;
  --color-text: #1b2735;
  --color-muted: #667384;
  --color-line: #dfe7ef;
  --color-bg: #f5f8fb;
  --color-white: #ffffff;
  --shadow-soft: 0 20px 60px rgba(16, 35, 63, 0.12);
  --radius: 8px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-white);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Meiryo", sans-serif;
  line-height: 1.8;
  overflow-x: clip;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(16, 35, 63, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 35, 63, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

p {
  margin: 0;
}

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(223, 231, 239, 0.76);
  backdrop-filter: blur(16px);
  transition: box-shadow 0.2s ease, padding 0.2s ease;
}

.site-header.is-scrolled {
  padding-top: 12px;
  padding-bottom: 12px;
  box-shadow: 0 10px 30px rgba(16, 35, 63, 0.08);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  color: var(--color-navy);
  font-weight: 700;
}

.site-logo__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--color-white);
  background: var(--color-navy);
  border-radius: var(--radius);
  font-size: 0.86rem;
}

.site-logo__text {
  font-size: 0.95rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.2vw, 30px);
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.site-nav a {
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-accent);
}

.section {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(72px, 10vw, 124px) 0;
}

.section--soft {
  width: 100%;
  max-width: none;
  padding-inline: max(20px, calc((100% - var(--container)) / 2));
  background: linear-gradient(180deg, rgba(245, 248, 251, 0.92), rgba(255, 255, 255, 0.95));
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.54fr) minmax(360px, 0.46fr);
  align-items: center;
  gap: clamp(30px, 4.4vw, 54px);
  min-height: calc(100vh - 75px);
  padding-top: clamp(20px, 3.4vw, 40px);
  padding-bottom: clamp(32px, 4.8vw, 58px);
}

.eyebrow {
  margin-bottom: 16px;
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--color-navy);
  line-height: 1.35;
  letter-spacing: 0;
}

h1 {
  max-width: 12.2em;
  font-size: clamp(2.4rem, 3.85vw, 3.75rem);
  font-weight: 700;
  line-height: 1.18;
  word-break: keep-all;
  overflow-wrap: normal;
}

h1 span {
  display: block;
  white-space: nowrap;
}

h2 {
  font-size: clamp(1.8rem, 3.3vw, 3rem);
}

h3 {
  font-size: 1.28rem;
}

h4 {
  font-size: 1rem;
}

.hero__lead {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  margin-top: 18px;
  padding: 8px 13px;
  color: var(--color-navy);
  background: #eef4f8;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: clamp(0.96rem, 1.4vw, 1.08rem);
  font-weight: 700;
  line-height: 1.5;
}

.hero__content,
.hero__visual,
.section-heading,
.copy-block,
.review-card__content,
.price-panel,
.case-card__summary,
.case-card__details,
.contact-copy,
.contact-form {
  min-width: 0;
}

.hero__content {
  margin-top: -34px;
}

.hero__text {
  max-width: 620px;
  margin-top: 16px;
  color: var(--color-muted);
  font-weight: 500;
  line-height: 1.75;
}

.hero__note {
  max-width: 600px;
  margin-top: 14px;
  color: var(--color-muted);
  font-size: 0.94rem;
}

.hero__actions,
.contact-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

.button--primary {
  color: var(--color-white);
  background: var(--color-accent);
  box-shadow: 0 16px 36px rgba(196, 111, 77, 0.28);
}

.button--primary:hover,
.button--primary:focus-visible {
  background: var(--color-accent-dark);
}

.button--secondary {
  color: var(--color-navy);
  background: var(--color-white);
  border-color: var(--color-line);
}

.button--light {
  color: var(--color-navy);
  background: var(--color-white);
}

.hero__visual {
  position: relative;
  min-height: 500px;
  margin-top: -22px;
}

.system-card {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.system-card--main {
  top: 18px;
  right: 0;
  width: min(100%, 460px);
  padding: 30px;
  color: var(--color-white);
  background: linear-gradient(145deg, var(--color-navy), var(--color-navy-deep));
}

.system-card--main strong {
  display: block;
  margin-top: 8px;
  font-size: 1.3rem;
  line-height: 1.42;
}

.system-card__label {
  color: #b8c9dc;
  font-size: 0.8rem;
  font-weight: 700;
}

.support-flow {
  display: grid;
  gap: 11px;
  margin-top: 24px;
}

.support-flow__item {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 12px;
  padding: 12px 15px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 8px;
}

.support-flow__item:not(:last-child)::after {
  position: absolute;
  bottom: -11px;
  left: 35px;
  width: 1px;
  height: 11px;
  background: rgba(255, 255, 255, 0.34);
  content: "";
}

.support-flow__item span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--color-navy);
  background: var(--color-white);
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
}

.support-flow__item p {
  color: var(--color-white);
  font-weight: 700;
  line-height: 1.45;
}

.system-card--sub {
  right: 34px;
  bottom: 20px;
  display: grid;
  gap: 9px;
  width: 296px;
  padding: 15px;
  color: var(--color-navy);
  background: var(--color-white);
}

.system-card--sub span {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  background: var(--color-bg);
  border-radius: 6px;
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.45;
}

.system-card--sub strong {
  color: var(--color-blue);
  font-size: 0.78rem;
  font-weight: 700;
}

.signal-line {
  position: absolute;
  border: 1px solid var(--color-line);
  border-radius: 999px;
}

.signal-line--one {
  top: 20px;
  left: 18px;
  width: 250px;
  height: 250px;
}

.signal-line--two {
  bottom: 26px;
  left: 86px;
  width: 180px;
  height: 180px;
  border-color: rgba(196, 111, 77, 0.32);
}

.section-heading {
  max-width: 640px;
}

.section-heading--center {
  margin-inline: auto;
  text-align: center;
}

.section-heading p:not(.eyebrow) {
  margin-top: 18px;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  width: min(var(--container), 100%);
  margin: 42px auto 0;
}

.check-card {
  position: relative;
  min-height: 118px;
  padding: 24px 24px 24px 58px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(16, 35, 63, 0.05);
  font-weight: 600;
}

.check-card::before {
  position: absolute;
  top: 28px;
  left: 24px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  color: var(--color-white);
  background: var(--color-blue);
  border-radius: 50%;
  content: "✓";
  font-size: 0.85rem;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(36px, 7vw, 92px);
  align-items: start;
}

.copy-block {
  color: var(--color-muted);
}

.copy-block p + p {
  margin-top: 18px;
}

.large-copy {
  color: var(--color-navy);
  font-size: clamp(1.16rem, 2vw, 1.45rem);
  font-weight: 700;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 48px;
}

.service-card,
.plan-card,
.case-card,
.included-grid,
.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: 0 12px 36px rgba(16, 35, 63, 0.06);
}

.service-card {
  padding: 28px;
}

.service-card__number {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--color-accent);
  font-weight: 700;
}

.service-card p {
  margin-top: 16px;
  color: var(--color-muted);
}

.service-card ul {
  display: grid;
  gap: 8px;
  margin-top: 22px;
  color: var(--color-navy);
  font-size: 0.93rem;
  font-weight: 600;
}

.service-card li::before {
  margin-right: 8px;
  color: var(--color-accent);
  content: "/";
}

.review-section {
  width: min(1180px, calc(100% - 40px));
}

.review-card {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.58fr);
  gap: 32px;
  padding: clamp(28px, 5vw, 54px);
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-navy), #15365f);
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
}

.review-card h2,
.review-card .eyebrow {
  color: var(--color-white);
}

.review-card__catch {
  margin-top: 18px;
  font-size: 1.24rem;
  font-weight: 700;
}

.review-card__content > p:not(.eyebrow):not(.review-card__catch) {
  margin-top: 18px;
  color: #d9e4ef;
}

.review-card .button {
  margin-top: 30px;
}

.price-panel {
  padding: 28px;
  color: var(--color-navy);
  background: var(--color-white);
  border-radius: var(--radius);
}

.price-panel__label {
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.price-panel__price {
  margin-top: 8px;
  margin-bottom: 20px;
  color: var(--color-navy);
  font-size: 2.35rem;
  font-weight: 700;
  line-height: 1.1;
}

.price-panel li,
.stance-list li {
  position: relative;
  padding-left: 20px;
  color: var(--color-muted);
}

.price-panel li + li,
.stance-list li + li {
  margin-top: 9px;
}

.price-panel li::before,
.stance-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  content: "";
}

.mini-price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.mini-price-grid div {
  padding: 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.mini-price-grid span {
  display: block;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.mini-price-grid strong {
  display: block;
  margin-top: 6px;
  color: var(--color-navy);
  font-size: 1.24rem;
}

.note,
.form-note {
  color: var(--color-muted);
  font-size: 0.88rem;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  width: min(var(--container), 100%);
  margin: 46px auto 0;
}

.plan-card {
  position: relative;
  padding: 30px;
}

.plan-card--featured {
  border-color: rgba(196, 111, 77, 0.6);
  box-shadow: 0 20px 54px rgba(196, 111, 77, 0.16);
}

.plan-card__badge {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 4px 10px;
  color: var(--color-accent-dark);
  background: #fff1eb;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
}

.plan-card__price {
  margin-top: 12px;
  margin-bottom: 14px;
  color: var(--color-navy);
  font-size: 1.7rem;
  font-weight: 700;
}

.plan-card p:not(.plan-card__price) {
  color: var(--color-muted);
}

.included-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  width: min(var(--container), 100%);
  margin: 24px auto 0;
  padding: 30px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.tag-list li {
  padding: 7px 12px;
  color: var(--color-navy);
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
}

.tag-list--muted li {
  color: var(--color-muted);
}

.center-action {
  display: flex;
  justify-content: center;
  margin-top: 34px;
}

.stance-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 22px;
  margin-top: 28px;
}

.case-section {
  padding-top: 64px;
}

.case-card {
  display: grid;
  grid-template-columns: minmax(260px, 0.48fr) 1fr;
  gap: 34px;
  margin-top: 42px;
  padding: clamp(26px, 4vw, 42px);
}

.case-card__label {
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.case-card__summary h3 {
  margin-top: 12px;
}

.case-card__summary p,
.case-card__details p {
  margin-top: 14px;
  color: var(--color-muted);
}

.case-card__details {
  display: grid;
  gap: 22px;
}

.contact-section {
  width: 100%;
  max-width: none;
  padding-inline: max(20px, calc((100% - var(--container)) / 2));
  background: var(--color-bg);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.82fr);
  gap: clamp(34px, 6vw, 78px);
  align-items: start;
}

.contact-copy p:not(.eyebrow) {
  margin-top: 18px;
  color: var(--color-muted);
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 4vw, 34px);
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form span {
  color: var(--color-navy);
  font-size: 0.92rem;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--color-text);
  background: #fbfdff;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 4px rgba(47, 111, 159, 0.14);
}

.contact-form textarea {
  resize: vertical;
}

.contact-form .button {
  width: 100%;
}

.company {
  padding: clamp(72px, 9vw, 108px) 20px;
  background: linear-gradient(180deg, var(--color-white), rgba(245, 248, 251, 0.78));
}

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

.company__title {
  font-size: clamp(1.7rem, 2.8vw, 2.45rem);
}

.company__table {
  margin-top: 34px;
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.company__row {
  display: grid;
  grid-template-columns: minmax(130px, 0.22fr) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 42px);
  padding: 21px 0;
  border-top: 1px solid var(--color-line);
}

.company__row:first-child {
  border-top: 0;
}

.company__label {
  color: var(--color-navy);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.7;
}

.company__value {
  min-width: 0;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.closing-section {
  padding: clamp(76px, 10vw, 120px) 20px;
  color: var(--color-white);
  background: var(--color-navy-deep);
}

.closing-section__inner {
  width: min(860px, 100%);
  margin: 0 auto;
  text-align: center;
}

.closing-section h2,
.closing-section .eyebrow {
  color: var(--color-white);
}

.closing-section h2 {
  line-height: 1.42;
}

.closing-section p:not(.eyebrow) {
  margin-top: 20px;
  color: #d9e4ef;
  font-size: 1.08rem;
  line-height: 1.9;
}

.closing-section .button {
  margin-top: 34px;
}

.site-footer {
  padding: 26px 20px;
  color: var(--color-muted);
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
  text-align: center;
}

.reveal {
  opacity: 1;
  transform: none;
}

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.js-enabled .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 980px) {
  .site-nav {
    display: none;
  }

  .hero,
  .split-section,
  .review-card,
  .case-card,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero__visual {
    min-height: 420px;
  }

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

  .service-grid {
    gap: 16px;
  }
}

@media (max-width: 720px) {
  .site-header {
    padding-inline: 18px;
  }

  .section,
  .review-section {
    width: min(100% - 32px, var(--container));
    padding: 64px 0;
  }

  .section--soft,
  .contact-section {
    padding: 64px 16px;
  }

  .company {
    padding: 62px 16px;
  }

  .closing-section {
    padding: 72px 16px;
  }

  .closing-section h2 {
    font-size: clamp(1.8rem, 8vw, 2.3rem);
  }

  .closing-section p:not(.eyebrow) {
    font-size: 1rem;
  }

  .company__table {
    margin-top: 26px;
  }

  .company__row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 18px 0;
  }

  .company__label {
    font-size: 0.82rem;
  }

  .company__value {
    font-size: 0.96rem;
    line-height: 1.75;
  }

  h1 {
    max-width: 10em;
    font-size: clamp(1.82rem, 7.5vw, 2.12rem);
    line-height: 1.28;
    word-break: keep-all;
    overflow-wrap: normal;
  }

  .hero__lead,
  .hero__text,
  .hero__note {
    max-width: 100%;
    font-size: 1rem;
    word-break: normal;
    overflow-wrap: anywhere;
  }

  .hero {
    display: block;
    overflow: hidden;
  }

  .hero__content {
    width: 100%;
    max-width: 100%;
    margin-top: 0;
  }

  .hero__lead {
    width: 100%;
    justify-content: center;
    max-width: 100%;
  }

  .hero__text,
  .hero__note {
    max-width: 22em;
  }

  h2 {
    font-size: clamp(1.7rem, 8vw, 2.25rem);
  }

  .hero__actions,
  .contact-buttons {
    flex-direction: column;
  }

  .button {
    width: 100%;
    min-height: 56px;
  }

  .hero__visual {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    min-height: 520px;
    margin-top: 30px;
  }

  .system-card--main {
    top: 0;
    right: auto;
    left: 0;
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
    padding: 24px;
  }

  .system-card--main strong {
    font-size: 1.1rem;
  }

  .support-flow {
    gap: 10px;
    margin-top: 22px;
  }

  .support-flow__item {
    grid-template-columns: 42px 1fr;
    gap: 12px;
    padding: 12px 14px;
  }

  .support-flow__item span {
    width: 34px;
    height: 34px;
  }

  .support-flow__item:not(:last-child)::after {
    left: 31px;
  }

  .system-card--sub {
    display: none;
  }

  .signal-line--one {
    left: -34px;
    width: 180px;
    height: 180px;
  }

  .signal-line--two {
    left: 20px;
    width: 120px;
    height: 120px;
  }

  .check-grid,
  .service-grid,
  .plan-grid,
  .included-grid,
  .mini-price-grid,
  .stance-list {
    grid-template-columns: 1fr;
  }

  .check-card {
    min-height: auto;
  }

  .review-card {
    padding: 24px;
  }

  .price-panel__price {
    font-size: 2rem;
  }
}

@media (max-width: 420px) {
  .site-logo__text {
    max-width: 180px;
    font-size: 0.86rem;
    line-height: 1.35;
  }

  .hero__lead {
    font-size: 1.02rem;
  }

  .service-card,
  .plan-card,
  .included-grid,
  .case-card,
  .contact-form {
    padding: 22px;
  }
}