:root {
  --rose: #c4948d;
  --rose-dark: #a96d67;
  --brown: #3f2923;
  --muted: #7d6d68;
  --ivory: #fffaf7;
  --rose-pale: #fbefec;
  --greige: #f4f0ec;
  --sage: #e8eee9;
  --line: rgba(196, 148, 141, 0.32);
  --shadow: 0 18px 46px rgba(92, 58, 50, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--brown);
  background: var(--ivory);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  line-height: 1.85;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 4%, rgba(196, 148, 141, 0.13), transparent 28%),
    radial-gradient(circle at 88% 22%, rgba(232, 238, 233, 0.75), transparent 26%);
}

a {
  color: inherit;
}

main {
  width: min(100%, 760px);
  margin: 0 auto;
  overflow: hidden;
  background: var(--ivory);
  box-shadow: 0 0 0 1px rgba(196, 148, 141, 0.08);
}

.section,
.hero,
.final-cta {
  position: relative;
  padding: 72px 28px;
}

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

.section-rose {
  background: linear-gradient(180deg, var(--rose-pale) 0%, #fff9f6 100%);
}

.section-greige {
  background: linear-gradient(180deg, var(--greige) 0%, #fbf7f3 100%);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--rose);
  font-size: 1.12rem;
  line-height: 1.1;
  letter-spacing: 0;
}

.brand img {
  width: 54px;
  height: 54px;
  object-fit: cover;
  mix-blend-mode: multiply;
  opacity: 0.9;
}

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
}

.hero-line {
  position: absolute;
  top: 20px;
  right: -70px;
  width: 340px;
  height: 180px;
  border-top: 1px solid var(--line);
  border-radius: 50%;
  transform: rotate(-10deg);
}

.eyebrow {
  width: fit-content;
  max-width: 100%;
  margin: 20px 0 0;
  padding: 12px 16px;
  border-radius: 8px;
  color: #5b4039;
  background: rgba(196, 148, 141, 0.13);
  font-size: clamp(1rem, 4vw, 1.2rem);
  line-height: 1.65;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2.45rem, 11vw, 5rem);
  line-height: 1.36;
  font-weight: 600;
  letter-spacing: 0;
}

.headline-nowrap {
  display: inline-block;
  white-space: nowrap;
  font-size: 0.78em;
  line-height: 1.45;
}

.headline-line2 {
  display: inline-block;
  white-space: nowrap;
  color: var(--brown);
  font-size: 0.9em;
  line-height: 1.45;
}

.headline-line3 {
  display: inline-block;
  color: var(--brown);
  font-size: 0.8em;
  line-height: 1.45;
}

.headline-accent {
  color: var(--rose-dark);
}

.headline-particle {
  color: var(--brown);
  font-size: 0.72em;
  vertical-align: 0.04em;
}

h1 span,
.section-heading h2 span {
  color: var(--rose-dark);
}

.lead strong {
  color: var(--rose-dark);
}

.headline-nowrap {
  color: var(--brown);
}

.headline-line2,
.headline-particle,
.headline-line3 {
  color: var(--brown);
}

.headline-accent {
  color: var(--rose-dark);
}

.lead {
  margin: 0;
  color: #4f3933;
  font-size: clamp(1.04rem, 4.3vw, 1.24rem);
  line-height: 2;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-chips span,
.case-card li {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--rose-dark);
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.94rem;
  line-height: 1.4;
}

.primary-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 64px;
  margin: 8px auto;
  padding: 14px 22px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--rose-dark), var(--rose));
  box-shadow: var(--shadow);
  font-size: clamp(1.2rem, 5vw, 1.55rem);
  font-weight: 700;
  text-decoration: none;
  width: min(100%, 460px);
}

.primary-button span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: var(--rose-dark);
  background: #fff;
  flex: 0 0 auto;
}

.flow-strip {
  display: grid;
  grid-template-columns: 1fr 18px 1fr 18px 1fr 18px 1fr;
  align-items: center;
  gap: 6px;
  padding: 16px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.78);
}

.flow-strip div {
  display: grid;
  place-items: center;
  gap: 4px;
  min-width: 0;
}

.flow-strip span {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, #d9b5af, #cbbeb6);
  font-family: Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
}

.flow-strip small {
  font-size: 0.82rem;
  line-height: 1.25;
  text-align: center;
}

.flow-strip i {
  border-top: 2px dotted var(--rose);
}

.section-heading {
  text-align: center;
}

.section-heading p {
  margin-bottom: 6px;
  color: var(--rose);
  font-family: Georgia, serif;
  font-size: 0.95rem;
}

.section-heading h2 {
  margin-bottom: 18px;
  font-size: clamp(1.8rem, 8vw, 3rem);
  line-height: 1.42;
  font-weight: 600;
}

.section-lead {
  margin: 0 auto 34px;
  max-width: 620px;
  color: #5b4841;
  font-size: clamp(1.04rem, 4.4vw, 1.25rem);
  line-height: 1.9;
  text-align: center;
}

.stack,
.service-list,
.number-flow,
.check-list,
.case-list,
.consult-flow {
  display: grid;
  gap: 14px;
}

.problem-card,
.service-list article,
.number-flow article,
.check-list article,
.case-card,
.note-box,
.profile,
.consult-flow article {
  border: 1px solid rgba(196, 148, 141, 0.18);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 10px 28px rgba(92, 58, 50, 0.06);
}

.problem-card {
  padding: 20px 22px;
  font-size: clamp(1.08rem, 4.5vw, 1.3rem);
  line-height: 1.75;
}

.problem-card::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 12px;
  border-radius: 50%;
  background: var(--rose);
}

.service-list article {
  padding: 18px 20px;
}

.service-list b {
  display: block;
  color: var(--rose-dark);
  font-size: clamp(1.16rem, 4.8vw, 1.42rem);
  line-height: 1.55;
}

.service-list span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: clamp(0.98rem, 4vw, 1.08rem);
}

.compact {
  margin-top: 54px;
}

.number-flow article {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
}

.number-flow span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  color: #fff;
  background: var(--rose);
  font-size: 1.35rem;
  line-height: 1;
}

.number-flow b,
.check-list article,
.consult-flow article {
  font-size: clamp(1.08rem, 4.6vw, 1.32rem);
  line-height: 1.65;
  font-weight: 600;
}

.check-list article {
  position: relative;
  padding: 16px 18px 16px 54px;
}

.check-list article::before {
  content: "✓";
  position: absolute;
  left: 18px;
  top: 17px;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  color: #fff;
  background: var(--rose);
  font-family: Arial, sans-serif;
  font-size: 1rem;
}

.note-box {
  margin-top: 28px;
  padding: 24px 22px;
  background: linear-gradient(135deg, rgba(255,255,255,0.92), rgba(232,238,233,0.5));
}

.note-box h3 {
  margin-bottom: 10px;
  color: var(--rose-dark);
  font-size: clamp(1.25rem, 5vw, 1.6rem);
}

.note-box p,
.caution,
.final-cta p,
.final-cta small {
  color: var(--muted);
  font-size: clamp(0.98rem, 4vw, 1.12rem);
}

.case-card {
  overflow: hidden;
}

.case-card > img,
.ad-work {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
  background: #fff;
}

.case-card > div:not(.ad-work) {
  padding: 24px 22px 26px;
}

.case-category {
  margin-bottom: 8px;
  color: var(--rose-dark);
  font-size: 0.96rem;
}

.case-card h3 {
  margin-bottom: 10px;
  font-size: clamp(1.34rem, 5.6vw, 1.7rem);
  line-height: 1.45;
}

.case-card p {
  margin-bottom: 16px;
  color: #5b4841;
  font-size: clamp(1rem, 4.1vw, 1.12rem);
}

.case-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ad-work {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 14px;
  background: linear-gradient(135deg, rgba(232,238,233,0.7), rgba(251,239,236,0.82));
}

.ad-work img {
  width: 100%;
  height: 100%;
  min-height: 130px;
  object-fit: cover;
  border-radius: 8px;
}

.report-card {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 12px;
  border-radius: 8px;
  background: rgba(255,255,255,0.84);
}

.report-card b {
  flex-basis: 100%;
  color: var(--rose-dark);
}

.report-card span {
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--sage);
  color: #596a5e;
  font-size: 0.88rem;
}

.caution {
  margin: 24px 0 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,0.78);
}

.consult-flow article {
  display: grid;
  grid-template-columns: 42px 1fr;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
}

.consult-flow span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: #fff;
  background: var(--rose);
  font-family: Arial, sans-serif;
}

.profile {
  display: grid;
  gap: 22px;
  margin-top: 44px;
  padding: 22px;
}

.profile img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: 58% 42%;
  border-radius: 8px;
  filter: saturate(0.95) brightness(1.03);
}

.profile div > p:first-child {
  color: var(--rose);
  font-family: Georgia, serif;
}

.profile h2 {
  margin-bottom: 6px;
  font-size: clamp(1.7rem, 7vw, 2.4rem);
}

.profile span {
  display: block;
  margin-bottom: 14px;
  color: var(--rose-dark);
}

.profile p:last-child {
  margin-bottom: 0;
  font-size: clamp(1rem, 4.1vw, 1.14rem);
}

.final-cta {
  padding-bottom: 140px;
  text-align: center;
}

.final-cta h2 {
  margin-bottom: 18px;
  font-size: clamp(1.85rem, 7.8vw, 3rem);
  line-height: 1.5;
}

.cta-kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--rose-dark);
  font-size: clamp(1.22rem, 5.1vw, 1.75rem);
  line-height: 1.45;
  white-space: nowrap;
}

.final-cta small {
  display: block;
  margin-top: 18px;
}

.floating-cta {
  position: fixed;
  left: 50%;
  bottom: max(12px, env(safe-area-inset-bottom));
  z-index: 20;
  width: min(90vw, 390px);
  transform: translateX(-50%);
}

.floating-cta img {
  display: block;
  width: 100%;
  height: auto;
}

@media (min-width: 760px) {
  body {
    background: #f7f2ee;
  }

  main {
    margin: 28px auto;
    border-radius: 18px;
  }

  .section,
  .hero,
  .final-cta {
    padding-left: 54px;
    padding-right: 54px;
  }

  .profile {
    grid-template-columns: 240px 1fr;
    align-items: center;
  }
}
