:root {
  --navy: #23346b;
  --ink: #172033;
  --muted: #5d6475;
  --line: #e7e8ef;
  --white: #ffffff;
  --mist: #f8fbfc;
  --pink: #f6bfd8;
  --mint: #9ce6cf;
  --aqua: #75dce9;
  --lemon: #fff0a7;
  --lavender: #d7c7f2;
  --shadow: 0 24px 70px rgba(35, 52, 107, 0.16);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  width: 100%;
  max-width: 100%;
}

body {
  margin: 0;
  width: 100%;
  max-width: 100%;
  color: var(--ink);
  background: var(--white);
  font-family: "Zen Kaku Gothic New", system-ui, sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 28px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 48px);
  color: var(--white);
  background: rgba(35, 52, 107, 0.96);
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  width: max-content;
}

.brand-mark,
.eyebrow,
.hero-offer strong {
  font-family: Poppins, system-ui, sans-serif;
}

.desktop-break {
  display: block;
}

.mobile-break {
  display: none;
}

.brand-mark {
  font-size: clamp(1.25rem, 2vw, 2rem);
  font-weight: 300;
  line-height: 1;
  background: linear-gradient(90deg, var(--pink), var(--lemon), var(--mint), var(--aqua));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-sub {
  font-size: 0.68rem;
  opacity: 0.78;
}

.desktop-nav {
  display: flex;
  gap: clamp(18px, 3vw, 38px);
  font-size: 0.95rem;
  font-weight: 700;
}

.desktop-nav a {
  opacity: 0.9;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  border-radius: 999px;
  font-weight: 700;
  white-space: nowrap;
}

.header-cta {
  padding: 0 20px;
  color: var(--navy);
  background: var(--white);
}

svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 12px));
  overflow: hidden;
  background: linear-gradient(120deg, #f7c3d8, #bbefe3 55%, #79dbe9);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(246, 191, 216, 0.9), rgba(255, 255, 255, 0.28) 42%, rgba(255, 255, 255, 0.03) 78%),
    linear-gradient(0deg, rgba(23, 32, 51, 0.52), rgba(23, 32, 51, 0.02) 48%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: min(620px, calc(100% - 40px));
  min-height: inherit;
  padding: 104px 0 260px clamp(20px, 6vw, 90px);
  color: var(--white);
  text-shadow: 0 2px 22px rgba(20, 24, 40, 0.3);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
}

.hero .eyebrow,
.final-cta .eyebrow {
  color: var(--white);
}

h1,
h2,
h3,
p {
  margin-top: 0;
  max-width: 100%;
}

h1 {
  max-width: 9em;
  margin-bottom: 24px;
  font-size: clamp(2.25rem, 4.4vw, 4.4rem);
  line-height: 1.13;
  font-weight: 700;
  word-break: keep-all;
}

.hero-copy {
  max-width: 36rem;
  margin-bottom: 34px;
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  min-width: 178px;
  padding: 0 24px;
  border: 1px solid transparent;
  box-shadow: 0 14px 34px rgba(35, 52, 107, 0.18);
}

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

.button.secondary {
  color: var(--navy);
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(35, 52, 107, 0.18);
}

.hero-offer {
  position: absolute;
  z-index: 3;
  left: clamp(20px, 6vw, 90px);
  bottom: 42px;
  display: grid;
  gap: 8px;
  width: min(560px, calc(100% - 40px));
  color: var(--white);
  text-shadow: 0 2px 16px rgba(20, 24, 40, 0.35);
}

.hero-offer span,
.hero-offer small {
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.35;
}

.hero-offer strong {
  font-size: clamp(3.1rem, 6.7vw, 5.35rem);
  line-height: 0.9;
  white-space: nowrap;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 20px;
}

.quick-links a {
  display: flex;
  align-items: center;
  min-height: 64px;
  padding: 0 18px;
  border-bottom: 1px solid var(--ink);
  font-size: 0.9rem;
}

.quick-links a::after {
  content: ">";
  margin-left: auto;
  font-weight: 700;
}

.section,
.split-section,
.final-cta {
  border-top: 1px solid var(--line);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(58px, 8vw, 92px) 20px;
}

.section-heading {
  margin-bottom: 34px;
}

.section-heading h2 {
  max-width: 12em;
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3.35rem);
  font-weight: 300;
  line-height: 1.12;
  color: transparent;
  background: linear-gradient(90deg, var(--pink), var(--lavender), var(--mint), var(--aqua));
  -webkit-background-clip: text;
  background-clip: text;
  word-break: keep-all;
}

.intro {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: end;
}

.intro p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 2;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.offer-card,
.voice-grid article,
.flow-list li {
  border-radius: var(--radius);
  background: var(--mist);
}

.offer-card {
  position: relative;
  overflow: hidden;
  min-height: 100%;
  border: 1px solid var(--line);
}

.offer-number,
.item-list span {
  display: block;
  margin-bottom: 16px;
  font-family: Poppins, system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--navy);
}

.offer-card h3,
.item-list h3,
.voice-grid h3,
.flow-list h3 {
  margin-bottom: 12px;
  font-size: clamp(1.18rem, 1.8vw, 1.55rem);
}

.visual-offer {
  display: grid;
  grid-template-rows: auto 1fr;
}

.visual-offer figure {
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.visual-offer figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(35, 52, 107, 0.2), rgba(35, 52, 107, 0));
}

.visual-offer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.offer-body {
  display: grid;
  align-content: start;
  padding: 24px;
}

.offer-label {
  margin-bottom: 8px;
  color: var(--navy);
  font-family: Poppins, system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
}

.offer-body h3 {
  margin-bottom: 10px;
}

.offer-body strong {
  display: block;
  width: fit-content;
  margin-bottom: 16px;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--navy);
  background: linear-gradient(90deg, var(--lemon), var(--mint));
  font-family: Poppins, "Zen Kaku Gothic New", system-ui, sans-serif;
  font-size: clamp(1.28rem, 2vw, 1.72rem);
  line-height: 1;
}

.offer-body small {
  display: block;
  width: fit-content;
  margin-top: 18px;
  padding: 8px 10px;
  border: 1px solid rgba(35, 52, 107, 0.16);
  border-radius: 999px;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.75);
  font-weight: 700;
  line-height: 1.4;
}

.offer-card p,
.item-list p,
.voice-grid p,
.flow-list p,
.faq-list p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.85;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 1fr);
  gap: clamp(34px, 5vw, 72px);
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(58px, 8vw, 92px) 20px;
}

.split-copy h2 {
  max-width: 10em;
  margin-bottom: 22px;
  font-size: clamp(2rem, 3.2vw, 3.35rem);
  line-height: 1.18;
  word-break: keep-all;
}

.split-copy p {
  color: var(--muted);
  line-height: 1.95;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: start;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
}

.check-list li::before {
  content: "";
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--mint));
}

.feature-image,
.items-layout figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-image {
  aspect-ratio: 3 / 2;
}

.feature-image img,
.items-layout figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.items-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.9fr);
  gap: 28px;
  align-items: stretch;
}

.items-layout figure {
  width: 100%;
  min-width: 0;
  aspect-ratio: 4 / 3;
}

.item-list {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.item-list article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.voice-grid article {
  min-height: 230px;
  padding: 28px;
}

.stars {
  display: block;
  margin-bottom: 16px;
  color: #ffae00;
  font-size: 1.2rem;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
}

.flow-list span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  border-radius: 50%;
  color: var(--white);
  background: var(--navy);
  font-family: Poppins, system-ui, sans-serif;
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

summary {
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 700;
}

details p {
  padding: 0 24px 22px;
}

.final-cta {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  color: var(--white);
}

.final-cta > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.final-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(35, 52, 107, 0.82), rgba(35, 52, 107, 0.26) 62%, rgba(35, 52, 107, 0.12));
}

.final-cta-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: var(--max);
  min-height: inherit;
  margin: 0 auto;
  padding: 70px 20px;
}

.final-cta h2 {
  max-width: 12em;
  margin-bottom: 20px;
  font-size: clamp(2.1rem, 4.2vw, 4.6rem);
  line-height: 1.13;
  word-break: keep-all;
}

.final-cta p:not(.eyebrow) {
  max-width: 34rem;
  margin-bottom: 30px;
  line-height: 1.9;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 4vw, 48px);
  color: var(--white);
  background: var(--navy);
}

.site-footer p {
  margin: 0;
  font-family: Poppins, system-ui, sans-serif;
  font-weight: 700;
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 70px;
    gap: 16px;
  }

  .desktop-nav {
    display: none;
  }

  .hero {
    min-height: 760px;
  }

  .hero-image {
    object-position: 60% center;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(35, 52, 107, 0.72), rgba(255, 255, 255, 0.05) 58%),
      linear-gradient(90deg, rgba(246, 191, 216, 0.58), rgba(255, 255, 255, 0.02));
  }

  .hero-content {
    justify-content: flex-end;
    width: 100%;
    padding: 120px 20px 220px;
  }

  h1 {
    max-width: 9.5em;
  }

  .hero-offer {
    bottom: 34px;
  }

  .quick-links,
  .intro,
  .offer-grid,
  .split-section,
  .items-layout,
  .voice-grid,
  .flow-list {
    grid-template-columns: 1fr;
  }

  .quick-links {
    padding-top: 8px;
  }

  .quick-links a {
    min-height: 58px;
  }

  .offer-card {
    min-height: 240px;
  }

  .split-section {
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (max-width: 560px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
    padding-left: 16px;
    padding-right: 16px;
    border-bottom-left-radius: 14px;
    border-bottom-right-radius: 14px;
  }

  .brand {
    min-width: 0;
  }

  .brand-sub {
    display: none;
  }

  .header-cta {
    position: absolute;
    top: 14px;
    right: 16px;
    width: 64px;
    min-width: 0;
    min-height: 42px;
    padding: 0 12px;
    font-size: 0.9rem;
  }

  .header-cta span {
    display: none;
  }

  .header-cta::before {
    content: "相談";
  }

  .header-cta svg {
    display: none;
  }

  .hero {
    min-height: 720px;
  }

  .hero-content {
    padding-bottom: 214px;
  }

  .hero-copy {
    font-size: 0.96rem;
  }

  .section-heading h2,
  .split-copy h2,
  .final-cta h2 {
    max-width: calc(100vw - 40px);
    word-break: keep-all;
  }

  .desktop-break {
    display: block;
  }

  .mobile-break {
    display: block;
  }

  .button {
    width: 100%;
  }

  .hero-offer strong {
    font-size: clamp(3rem, 15vw, 4.2rem);
  }

  .section,
  .split-section {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .section-heading {
    margin-bottom: 26px;
  }

  .offer-card,
  .item-list article,
  .voice-grid article,
  .flow-list li {
    padding: 22px;
  }

  .site-footer {
    flex-direction: column;
  }
}
