/* ============================================================
   AI定着支援プラン — 「その瞬間」
   Editorial / literary design system. Warm paper, deep ink,
   pine-green accent, sparing ember "spark". Mincho + Gothic + Mono.
   ============================================================ */

:root {
  /* ---- Palette ---- */
  --paper: #f4efe6; /* warm ivory page */
  --paper-2: #ece4d6; /* deeper panel */
  --paper-card: #faf7f0; /* lifted card */
  --ink: #201c17; /* warm near-black */
  --ink-body: #3a3028; /* body gray-brown */
  --ink-faint: #8a8073; /* captions */
  --pine: #2f5347; /* primary accent — growth / harmony */
  --pine-700: #21433a; /* deep pine — hover / press */
  --ember: #be663a; /* the spark — used sparingly */
  --ember-soft: rgba(190, 102, 58, 0.22);
  --line: rgba(32, 28, 23, 0.14);
  --line-soft: rgba(32, 28, 23, 0.08);

  /* ---- Type ---- */
  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", sans-serif;
  --mono: "Space Mono", ui-monospace, "SFMono-Regular", monospace;

  /* ---- Layout ---- */
  --max: 80rem; /* 1280px */
  --read: 44rem; /* reading column */
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --header-h: 4.6rem;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-body);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
::selection {
  background: var(--pine);
  color: var(--paper);
}

:focus-visible {
  outline: 2px solid var(--pine);
  outline-offset: 3px;
}

/* ============================================================
   Shared atoms
   ============================================================ */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.kicker {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--pine);
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0;
}
.kicker::before {
  content: "";
  width: 1.7rem;
  height: 1px;
  background: var(--pine);
  opacity: 0.7;
}
.kicker--plain::before {
  display: none;
}

.mark {
  background: linear-gradient(transparent 56%, var(--ember-soft) 56%, var(--ember-soft) 94%, transparent 94%);
}
.em {
  color: var(--ink);
  font-weight: 700;
}
.ember {
  color: var(--ember);
}

/* serif headline base */
.h-serif {
  font-family: var(--serif);
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* anchor offset under the fixed header */
section[id],
main > section {
  scroll-margin-top: calc(var(--header-h) + 0.5rem);
}

/* section scaffold */
.section {
  position: relative;
  padding: clamp(4.5rem, 9vw, 8rem) 0;
}
.section--panel {
  background: var(--paper-2);
}
.section__rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.4rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-head__num {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--pine);
  letter-spacing: 0.1em;
}
.section-title {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--ink);
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.45;
  letter-spacing: 0.02em;
  margin: 0;
  text-wrap: balance;
}
.section-sub {
  font-family: var(--sans);
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--ink-body);
  margin: 0;
  max-width: var(--read);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  --_bg: var(--pine);
  --_fg: var(--paper);
  --_bd: var(--pine);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.03em;
  line-height: 1;
  padding: 1.05rem 1.9rem;
  border-radius: 2px;
  cursor: pointer;
  background: var(--_bg);
  color: var(--_fg);
  border: 1px solid var(--_bd);
  transition:
    transform 0.18s var(--ease),
    background 0.25s var(--ease),
    color 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
  position: relative;
  box-shadow: 0 1px 0 rgba(32, 28, 23, 0.06);
}
.btn__arrow {
  transition: transform 0.25s var(--ease);
  flex-shrink: 0;
}
.btn:hover {
  background: var(--pine-700);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -14px rgba(33, 67, 58, 0.8);
}
.btn:hover .btn__arrow {
  transform: translateX(4px);
}
.btn:active {
  transform: translateY(0);
}
.btn--ghost {
  --_bg: transparent;
  --_fg: var(--ink);
  --_bd: var(--line);
  box-shadow: none;
}
.btn--ghost:hover {
  --_bg: transparent;
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
  box-shadow: none;
}
.btn--lg {
  font-size: 1.12rem;
  padding: 1.2rem 2.4rem;
}
.btn--ember {
  --_bg: var(--ember);
  --_bd: var(--ember);
}
.btn--ember:hover {
  background: #a8542d;
  box-shadow: 0 12px 28px -14px rgba(168, 84, 45, 0.85);
}

/* ============================================================
   Header
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(10px) saturate(1.1);
  z-index: -1;
}
.header.is-scrolled {
  border-bottom-color: var(--line);
}
.header__inner {
  max-width: var(--max);
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
}
.brand__mark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: 0.16em;
  color: var(--ink);
}
.brand__dot {
  color: var(--ember);
}
.brand__tag {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  color: var(--pine);
  text-transform: uppercase;
}
.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__links {
  display: flex;
  gap: 1.7rem;
  align-items: center;
}
.nav__links a {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  color: var(--ink-body);
  position: relative;
  padding: 0.3rem 0;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--pine);
  transition: right 0.28s var(--ease);
}
.nav__links a:hover {
  color: var(--ink);
}
.nav__links a:hover::after {
  right: 0;
}
.nav__cta {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--paper);
  background: var(--pine);
  padding: 0.6rem 1.1rem;
  border-radius: 2px;
  text-transform: none;
}
.nav__links a.nav__cta {
  color: var(--paper);
  font-size: 0.86rem;
  font-weight: 700;
}
.nav__links a.nav__cta::after {
  display: none;
}
.nav__cta:hover {
  background: var(--pine-700);
  color: var(--paper);
}
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.4rem;
  z-index: 70;
}
.burger span {
  width: 26px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: 0.3s var(--ease);
}

@media (max-width: 880px) {
  .nav__links {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(78vw, 20rem);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--pine);
    padding: calc(var(--header-h) + 1.5rem) 1.8rem 2rem;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
    z-index: 65;
  }
  .nav.is-open .nav__links {
    transform: none;
  }
  .nav__links a {
    width: 100%;
    padding: 1.15rem 0;
    color: color-mix(in srgb, var(--paper) 90%, transparent);
    border-bottom: 1px solid rgba(244, 239, 230, 0.16);
    font-size: 0.98rem;
    font-weight: 700;
  }
  .nav__links a::after {
    display: none;
  }
  .nav__cta {
    display: none;
  }
  .burger {
    display: inline-flex;
  }
  .burger.is-open span {
    background: var(--paper);
  }
  .nav.is-open ~ .burger span:nth-child(1),
  .burger.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .burger.is-open span:nth-child(2) {
    opacity: 0;
  }
  .burger.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(3rem, 8vw, 6.5rem));
  padding-bottom: clamp(3.5rem, 8vw, 6.5rem);
  overflow: hidden;
}
.hero__ripple {
  position: absolute;
  top: -18%;
  right: -12%;
  width: min(60vw, 46rem);
  aspect-ratio: 1;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle, transparent 0 18%, var(--line-soft) 18% 18.4%, transparent 18.4%), radial-gradient(circle, transparent 0 30%, var(--line-soft) 30% 30.3%, transparent 30.3%),
    radial-gradient(circle, transparent 0 42%, var(--line-soft) 42% 42.25%, transparent 42.25%), radial-gradient(circle, transparent 0 54%, var(--line-soft) 54% 54.2%, transparent 54.2%),
    radial-gradient(circle at center, var(--ember-soft) 0 6%, transparent 11%);
  opacity: 0.85;
}
.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.hero__eyebrow {
  margin-bottom: clamp(1.6rem, 3vw, 2.3rem);
}
.hero__title {
  font-family: var(--serif);
  font-weight: 800;
  color: var(--ink);
  font-size: clamp(1.8rem, 4.4vw, 3.4rem);
  line-height: 1.42;
  letter-spacing: 0.01em;
  margin: 0;
  max-width: none;
  text-wrap: balance;
}
.hero__title .quote {
  color: var(--ember);
}
.hero__sub {
  font-family: var(--sans);
  font-size: clamp(1.02rem, 1.6vw, 1.22rem);
  line-height: 2;
  color: var(--ink-body);
  margin: clamp(1.8rem, 3.5vw, 2.6rem) 0 0;
  max-width: 46rem;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.1rem;
  align-items: center;
  margin-top: clamp(2.2rem, 4vw, 3rem);
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.3rem;
  margin-top: clamp(2.4rem, 5vw, 3.4rem);
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}
.hero__meta div {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.hero__meta dt {
  font-family: var(--mono);
  font-size: 0.88rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pine);
}
.hero__meta dd {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.18rem;
  color: var(--ink);
  margin: 0;
}
.hero__meta .sep {
  width: 1px;
  align-self: stretch;
  background: var(--line);
}

/* ============================================================
   01 — Pain
   ============================================================ */
.pain {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.pain__head {
  position: sticky;
  top: calc(var(--header-h) + 2rem);
}
.pain__q {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.5;
  color: var(--ink);
  margin: 1.2rem 0 0;
}
.pain__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.pain__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.4rem;
  padding: clamp(1.6rem, 3vw, 2.2rem) 0;
  border-top: 1px solid var(--line);
}
.pain__item:last-child {
  border-bottom: 1px solid var(--line);
}
.pain__no {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--pine);
  padding-top: 0.4rem;
}
.pain__text {
  font-family: var(--sans);
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  line-height: 1.9;
  color: var(--ink);
  margin: 0;
}

/* ============================================================
   02 — Solution
   ============================================================ */
.solution {
  max-width: var(--read);
  margin: 0 auto;
  text-align: center;
}
.solution__quote {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--ink);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  line-height: 1.6;
  letter-spacing: 0.01em;
  margin: 0;
  text-wrap: balance;
}
@media (min-width: 881px) {
  .nobr {
    display: inline-block;
  }
}
.solution__body {
  font-family: var(--sans);
  font-size: 1.06rem;
  line-height: 2.05;
  color: var(--ink-body);
  margin: clamp(1.8rem, 3.5vw, 2.6rem) 0 0;
}
.goals {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.2rem, 3vw, 2rem);
  max-width: 56rem;
  margin: clamp(2.8rem, 5vw, 4rem) auto 0;
  text-align: left;
}
.goal {
  position: relative;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: clamp(1.6rem, 3vw, 2.2rem);
}
.goal::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--pine);
}
.goal--spark::before {
  background: var(--ember);
}
.goal__no {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pine);
}
.goal--spark .goal__no {
  color: var(--ember);
}
.goal h3 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.28rem;
  line-height: 1.55;
  color: var(--ink);
  margin: 0.9rem 0 0.7rem;
}
.goal p {
  font-family: var(--sans);
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--ink-body);
  margin: 0;
}

/* ============================================================
   03 — Steps
   ============================================================ */
.timeline {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--pine);
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: clamp(2.2rem, 4vw, 3.2rem);
  flex-wrap: wrap;
}
.timeline__track {
  flex: 1 1 12rem;
  height: 1px;
  background: var(--line);
  min-width: 4rem;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.4rem, 3vw, 2.2rem);
}
.step {
  display: flex;
  flex-direction: column;
  padding-top: 1.6rem;
  border-top: 2px solid var(--ink);
}
.step__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}
.step__no {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 3.3rem);
  line-height: 0.9;
  color: var(--ink);
}
.step__week {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--pine);
  border: 1px solid var(--pine);
  border-radius: 2px;
  padding: 0.35rem 0.6rem;
  white-space: nowrap;
}
.step h3 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.22rem;
  line-height: 1.55;
  color: var(--ink);
  margin: 1.5rem 0 0.8rem;
}
.step p {
  font-family: var(--sans);
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--ink-body);
  margin: 0;
}

/* ============================================================
   04 — Pricing
   ============================================================ */
.price {
  max-width: 40rem;
  margin: 0 auto;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 30px 60px -40px rgba(33, 67, 58, 0.4);
}
.price__head {
  padding: clamp(2rem, 4vw, 2.6rem) clamp(1.8rem, 4vw, 2.6rem) clamp(1.4rem, 3vw, 1.8rem);
  border-bottom: 2px solid var(--ink);
  position: relative;
}
.price__plan {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--pine);
  margin: 0 0 0.7rem;
}
.price__name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  color: var(--ink);
  margin: 0;
}
.price__rows {
  display: flex;
  flex-direction: column;
}
.price__row {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1.2rem;
  align-items: baseline;
  padding: clamp(1.1rem, 2.4vw, 1.45rem) clamp(1.8rem, 4vw, 2.6rem);
  border-bottom: 1px solid var(--line);
}
.price__row:last-child {
  border-bottom: 0;
}
.price__row dt {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.price__row dd {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.04rem;
  line-height: 1.7;
  color: var(--ink);
}
.price__big {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.4vw, 2rem);
  color: var(--ink);
}
.price__tax {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink-faint);
  margin-left: 0.4rem;
}
.price__row--monitor {
  background: color-mix(in srgb, var(--ember) 8%, transparent);
}
.price__row--monitor dt {
  color: var(--ember);
}
.price__monitor-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  font-family: var(--serif);
  font-weight: 700;
  color: var(--ember);
  font-size: clamp(1.4rem, 3vw, 1.7rem);
}
.price__monitor-note {
  display: block;
  font-family: var(--sans);
  font-size: 0.86rem;
  color: var(--ink-body);
  margin-top: 0.3rem;
  font-weight: 400;
}
.price__foot {
  font-family: var(--sans);
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--ink-body);
  text-align: center;
  max-width: 38rem;
  margin: clamp(1.8rem, 3.5vw, 2.4rem) auto 0;
}
.price__foot .em {
  color: var(--ink);
}

/* ============================================================
   05 — Profile + case study
   ============================================================ */
.profile {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.profile__media {
  position: sticky;
  top: calc(var(--header-h) + 2rem);
}
.profile__frame {
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper-2);
  aspect-ratio: 3 / 4;
}
.profile__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 38% 28%;
  filter: grayscale(0.18) sepia(0.06) contrast(1.02) brightness(1.01);
}
.profile__cap {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin: 0.8rem 0 0;
}
.profile__role {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pine);
  margin: 0;
}
.profile__name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.4vw, 2.2rem);
  color: var(--ink);
  margin: 0.7rem 0 0.4rem;
}
.profile__name span {
  font-family: var(--sans);
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--ink-faint);
  margin-left: 0.7rem;
  letter-spacing: 0.04em;
}
.profile__sub {
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--ink-faint);
  margin: 0 0 clamp(1.6rem, 3vw, 2rem);
}
.profile__body {
  max-width: var(--read);
}
.profile__body p {
  font-family: var(--sans);
  font-size: 1.04rem;
  line-height: 2.05;
  color: var(--ink-body);
  margin: 0 0 1.3rem;
}
.profile__body p .em {
  color: var(--ink);
}
.profile__pull {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  line-height: 1.7;
  color: var(--ink);
  margin: 1.6rem 0;
  padding-left: 1.4rem;
  border-left: 3px solid var(--ember);
}
.profile__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.8rem;
}
.tag {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--pine);
  border: 1px solid var(--pine);
  border-radius: 2px;
  padding: 0.45rem 0.8rem;
}

.casestudy {
  margin-top: clamp(3rem, 6vw, 5rem);
}
.casestudy.is-hidden {
  display: none;
}
.casestudy__inner {
  border: 1px dashed var(--line);
  border-radius: 4px;
  background: color-mix(in srgb, var(--pine) 5%, transparent);
  padding: clamp(1.8rem, 4vw, 2.6rem);
}
.casestudy__label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pine);
  margin: 0 0 1.3rem;
}
.casestudy__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.6vw, 1.5rem);
  line-height: 1.6;
  color: var(--ink);
  margin: 0 0 1.6rem;
}
.casestudy__rows {
  display: grid;
  gap: 1.1rem;
  margin: 0;
}
.casestudy__row {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1.2rem;
  align-items: baseline;
}
.casestudy__row dt {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--pine);
}
.casestudy__row dd {
  margin: 0;
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-body);
}

/* ============================================================
   06 — FAQ
   ============================================================ */
.faq {
  max-width: 52rem;
  margin: 0 auto;
}
.faq__item {
  border-top: 1px solid var(--line);
}
.faq__item:last-child {
  border-bottom: 1px solid var(--line);
}
.faq__q {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.1rem;
  align-items: baseline;
  width: 100%;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  padding: clamp(1.4rem, 3vw, 1.9rem) 0;
  color: var(--ink);
}
.faq__qmark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--pine);
}
.faq__qtext {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.6;
}
.faq__icon {
  position: relative;
  width: 1.1rem;
  height: 1.1rem;
  align-self: start;
  margin-top: 0.5rem;
  flex: 0 0 auto;
}
.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  background: var(--pine);
  transition:
    transform 0.3s var(--ease),
    opacity 0.3s;
}
.faq__icon::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}
.faq__icon::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
}
.faq__item.is-open .faq__icon::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}
.faq__a {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s var(--ease);
}
.faq__ainner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.1rem;
  align-items: baseline;
  padding: 0 0 clamp(1.5rem, 3vw, 2rem);
}
.faq__amark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ember);
}
.faq__atext {
  font-family: var(--sans);
  font-size: 1.02rem;
  line-height: 1.95;
  color: var(--ink-body);
  grid-column: 2 / 4;
}
@media (prefers-reduced-motion: reduce) {
  .faq__a {
    transition: none;
  }
}

/* ============================================================
   07 — Final CTA
   ============================================================ */
.finalcta {
  position: relative;
  background: var(--pine);
  color: var(--paper);
  overflow: hidden;
}
.finalcta__ripple {
  position: absolute;
  bottom: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: min(90vw, 60rem);
  aspect-ratio: 1;
  pointer-events: none;
  background:
    radial-gradient(circle, transparent 0 30%, rgba(244, 239, 230, 0.07) 30% 30.3%, transparent 30.3%), radial-gradient(circle, transparent 0 44%, rgba(244, 239, 230, 0.06) 44% 44.25%, transparent 44.25%),
    radial-gradient(circle, transparent 0 58%, rgba(244, 239, 230, 0.05) 58% 58.2%, transparent 58.2%), radial-gradient(circle at center, rgba(190, 102, 58, 0.5) 0 5%, transparent 9%);
}
.finalcta__inner {
  position: relative;
  z-index: 1;
  max-width: 46rem;
  margin: 0 auto;
  text-align: center;
}
.finalcta .kicker {
  color: color-mix(in srgb, var(--paper) 88%, transparent);
}
.finalcta .kicker::before {
  background: color-mix(in srgb, var(--paper) 70%, transparent);
}
.finalcta h2 {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--paper);
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  line-height: 1.5;
  letter-spacing: 0.02em;
  margin: 1.6rem 0 0;
  text-wrap: balance;
}
.finalcta__body {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 2;
  color: color-mix(in srgb, var(--paper) 86%, transparent);
  margin: clamp(1.6rem, 3.5vw, 2.2rem) auto clamp(2.2rem, 4vw, 3rem);
  max-width: 36rem;
}
.finalcta__sub {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--paper) 70%, transparent);
  margin: 1.6rem 0 0;
}
.finalcta .btn--ember:hover {
  background: #a8542d;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--paper);
  padding: clamp(3rem, 6vw, 4.5rem) 0 2.5rem;
  border-top: 1px solid var(--line);
}
.footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: flex-start;
  justify-content: space-between;
}
.footer__brand .brand__mark {
  font-size: 1.3rem;
}
.footer__brand p {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--ink-body);
  margin: 1rem 0 0;
  max-width: 22rem;
  line-height: 1.8;
}
.footer__nav {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
}
.footer__nav a {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  color: var(--ink-body);
}
.footer__nav a:hover {
  color: var(--pine);
}
.footer__copy {
  width: 100%;
  margin-top: 2.5rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  text-align: center;
}

/* ============================================================
   Reveal
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.9s var(--ease),
    transform 0.9s var(--ease);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
.reveal--d1 {
  transition-delay: 0.09s;
}
.reveal--d2 {
  transition-delay: 0.18s;
}
.reveal--d3 {
  transition-delay: 0.27s;
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 880px) {
  .pain,
  .profile {
    grid-template-columns: 1fr;
  }
  .pain__head,
  .profile__media {
    position: static;
  }
  .profile__media {
    max-width: 400px;
  }
  .goals {
    grid-template-columns: 1fr;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .hero__meta .sep {
    display: none;
  }
  .footer {
    background: var(--paper-2);
    padding-bottom: 1rem;
  }
  .footer__inner {
    flex-direction: column;
    gap: 2rem;
  }
  .footer__nav {
    flex-direction: column;
    gap: 0.9rem;
  }
  .footer__copy {
    margin-top: 0.5rem;
  }
}