/* ============================================================
   Uravation AI顧問 — STUDIO "BtoB｜Webサービスサイト" style prototype
   BtoB SaaS王道構成 × 斜めリボン × 大Rパネル × フロートCTA
   BEM (FLOCSS): l- / c- / p- / u-
   ============================================================ */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-ja);
  font-size: 1.5rem;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

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

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

ul, ol {
  list-style: none;
}

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

.u-sp-only {
  display: none;
}

/* ---------- Layout ---------- */
.l-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

/* Big rounded stacked panels (ref part-04/05/06) */
.l-panel {
  position: relative;
  padding: var(--section-padding) 0;
  background: var(--color-surface);
  border-radius: var(--radius-panel) var(--radius-panel) 0 0;
  margin-top: calc(var(--radius-panel) * -1);
}

.l-panel--alt {
  background: var(--color-bg);
}

/* ---------- Buttons ---------- */
.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: var(--space-3) var(--space-8);
  border: 1px solid transparent;
  border-radius: var(--radius-btn);
  font-family: var(--font-ja);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base),
              border-color var(--transition-base), transform var(--transition-base),
              box-shadow var(--transition-base);
}

.c-btn--primary {
  background: var(--accent);
  color: var(--color-text-white);
  box-shadow: var(--shadow-btn);
}

.c-btn--primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.c-btn--outline {
  background: var(--color-surface);
  border-color: var(--accent);
  color: var(--accent);
}

.c-btn--outline:hover {
  background: var(--accent-bg);
  transform: translateY(-2px);
}

.c-btn--white {
  background: var(--color-surface);
  color: var(--accent-dark);
}

.c-btn--white:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
}

.c-btn--sm {
  min-height: 44px;
  padding: var(--space-2) var(--space-6);
  font-size: 1.3rem;
}

/* ---------- Header ---------- */
.l-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow var(--transition-base);
}

.l-header.is-scrolled {
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.08);
}

.l-header__inner {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: 0 var(--space-10);
}

.l-header__logo {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-2);
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent-dark);
}

.l-header__logo-sub {
  font-family: var(--font-ja);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-light);
  letter-spacing: 0.12em;
}

.l-header__nav {
  margin-right: auto;
}

.l-header__nav ul {
  display: flex;
  gap: var(--space-6);
}

.l-header__link {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--color-text-2);
  padding: var(--space-2) 0;
  transition: color var(--transition-base);
}

.l-header__link:hover {
  color: var(--accent);
}

.l-header__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

.c-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  position: relative;
  z-index: 120;
}

.c-menu-btn__bar {
  position: absolute;
  left: 50%;
  width: 22px;
  height: 2px;
  border-radius: 1px;
  background: var(--ink);
  transform: translateX(-50%);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.c-menu-btn__bar:nth-child(1) { top: 17px; }
.c-menu-btn__bar:nth-child(2) { top: 22px; }
.c-menu-btn__bar:nth-child(3) { top: 27px; }

.l-header.is-open .c-menu-btn__bar:nth-child(1) { transform: translateX(-50%) translateY(5px) rotate(45deg); }
.l-header.is-open .c-menu-btn__bar:nth-child(2) { opacity: 0; }
.l-header.is-open .c-menu-btn__bar:nth-child(3) { transform: translateX(-50%) translateY(-5px) rotate(-45deg); }

.l-header__drawer {
  display: none;
}

/* ---------- Hero ---------- */
.p-hero {
  position: relative;
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-20);
  overflow: hidden;
  background: var(--color-surface);
}

/* Diagonal curved ribbon (ref part-01) */
.p-hero__ribbon {
  position: absolute;
  top: -34%;
  right: -28%;
  width: 110%;
  height: 130%;
  background: var(--gradient-hero-ribbon);
  border-radius: 120px;
  transform: rotate(-24deg);
  pointer-events: none;
}

.p-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--space-16);
  align-items: center;
}

.p-hero__eyebrow {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-btn);
  background: var(--accent-bg-strong);
  color: var(--accent-dark);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
}

.p-hero__title {
  font-size: clamp(3.2rem, 4.4vw, 5.2rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-5);
}

.p-hero__lead {
  font-size: 1.55rem;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: var(--space-8);
  max-width: 46rem;
}

.p-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.p-hero__stats {
  display: flex;
  gap: var(--space-8);
}

.p-hero__stat dt {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
}

.p-hero__stat dd {
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-dark);
  line-height: 1.3;
}

.p-hero__stat dd span {
  font-family: var(--font-ja);
  font-size: 1.3rem;
  font-weight: 700;
  margin-left: 0.2em;
}

/* Browser-framed product visual */
.c-browser {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-card-hover);
  border: 1px solid var(--color-border);
}

.c-browser__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--color-bg-alt);
  border-bottom: var(--hairline);
}

.c-browser__bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.18);
}

.c-browser img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* ---------- Trust strip ---------- */
.p-trust {
  padding: var(--space-12) 0 calc(var(--space-12) + var(--radius-panel));
  background: var(--color-bg);
}

.p-trust__label {
  text-align: center;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.p-trust__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.p-trust__item {
  display: inline-flex;
  align-items: center;
  min-height: 5.2rem;
  padding: var(--space-2) var(--space-8);
  background: var(--color-surface);
  border: var(--hairline);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  font-family: var(--font-ja);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}

/* ---------- Section heading ---------- */
.c-heading {
  text-align: center;
  margin-bottom: var(--space-16);
}

.c-heading__en {
  display: block;
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-3);
}

.c-heading__ja {
  font-size: clamp(2.4rem, 3vw, 3.4rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.5;
}

/* ---------- Cards (Problem) ---------- */
.p-problem__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}

.c-card {
  position: relative;
  padding: var(--space-10) var(--space-8);
  background: var(--color-surface);
  border: var(--hairline);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

/* Tilted accent shape behind (ref part-02) */
.c-card--tilt::before {
  content: '';
  position: absolute;
  top: -4.4rem;
  right: -4.8rem;
  width: 12rem;
  height: 12rem;
  border-radius: 2.4rem;
  background: var(--accent-bg);
  transform: rotate(24deg);
  pointer-events: none;
}

.c-card__num {
  display: block;
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: var(--space-4);
}

.c-card__title {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-4);
}

.c-card__desc {
  font-size: 1.4rem;
  line-height: 2;
  color: var(--color-text-light);
}

.p-problem__bridge {
  margin-top: var(--space-16);
  text-align: center;
  font-size: clamp(1.8rem, 2.2vw, 2.4rem);
  font-weight: 500;
  letter-spacing: 0.06em;
}

.p-problem__bridge strong {
  color: var(--accent-dark);
  font-weight: 700;
}

/* ---------- Service ---------- */
.p-service__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-16);
  align-items: center;
}

.p-service__row + .p-service__row {
  margin-top: var(--space-20);
}

.p-service__row--reverse .p-service__media {
  order: -1;
}

.p-service__num {
  display: block;
  font-family: var(--font-en);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-3);
}

.p-service__title {
  font-size: clamp(2rem, 2.4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-5);
}

.p-service__desc {
  font-size: 1.45rem;
  line-height: 2.1;
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
}

.c-checklist li {
  position: relative;
  padding-left: 2.8rem;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--ink-3);
}

.c-checklist li + li {
  margin-top: var(--space-3);
}

.c-checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 1.6rem;
  height: 0.9rem;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* Tilted media card (ref part-02 skewed cards) */
.c-tilt-media {
  position: relative;
  border-radius: var(--radius-card);
}

.c-tilt-media::before {
  content: '';
  position: absolute;
  inset: 1.6rem -1.6rem -1.6rem 1.6rem;
  border-radius: var(--radius-card);
  background: var(--accent-bg-strong);
  transform: rotate(-3deg);
  pointer-events: none;
}

.c-tilt-media img {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  background: var(--color-surface);
}

/* ---------- Outcome ---------- */
.p-outcome__kpi {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.p-outcome__kpi-card {
  padding: var(--space-10) var(--space-8);
  background: var(--color-surface);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.p-outcome__kpi-label {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.p-outcome__kpi-value {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(3.6rem, 4vw, 4.6rem);
  font-weight: 700;
  color: var(--accent-dark);
  line-height: 1.2;
  margin-bottom: var(--space-3);
}

.p-outcome__kpi-value small {
  font-family: var(--font-ja);
  font-size: 1.5rem;
  font-weight: 700;
  margin-left: 0.15em;
}

.p-outcome__kpi-note {
  font-size: 1.3rem;
  line-height: 1.9;
  color: var(--color-text-light);
}

.p-outcome__body {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: var(--space-16);
  align-items: center;
}

.p-outcome__title {
  font-size: clamp(1.9rem, 2.2vw, 2.3rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-5);
}

.p-outcome__text p {
  font-size: 1.45rem;
  line-height: 2.1;
  color: var(--color-text-light);
}

.p-outcome__text p + p {
  margin-top: var(--space-4);
}

/* ---------- Advisor ---------- */
.p-advisor__card {
  display: grid;
  grid-template-columns: minmax(0, 30rem) minmax(0, 1fr);
  gap: var(--space-12);
  align-items: center;
  max-width: 92rem;
  margin: 0 auto;
  padding: var(--space-12);
  background: var(--color-bg);
  border-radius: var(--radius-card);
  border: var(--hairline);
}

.p-advisor__photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius-card);
}

.p-advisor__role {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.p-advisor__name {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
}

.p-advisor__name span {
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-left: var(--space-4);
}

.p-advisor__bio {
  font-size: 1.4rem;
  line-height: 2.1;
  color: var(--color-text-light);
}

/* ---------- Flow ---------- */
.p-flow__steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-6);
  counter-reset: step;
}

.p-flow__step {
  position: relative;
  padding: var(--space-8) var(--space-6);
  background: var(--color-surface);
  border: var(--hairline);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.p-flow__step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 50%;
  right: calc(var(--space-6) * -0.72);
  width: 1rem;
  height: 1rem;
  border-top: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  transform: translateY(-50%) rotate(45deg);
}

.p-flow__step-num {
  display: block;
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: var(--space-3);
}

.p-flow__step-title {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.p-flow__step-desc {
  font-size: 1.3rem;
  line-height: 1.9;
  color: var(--color-text-light);
}

.p-flow__note {
  margin-top: var(--space-10);
  text-align: center;
  font-size: 1.3rem;
  color: var(--color-text-muted);
}

/* ---------- FAQ ---------- */
.p-faq {
  max-width: 82rem;
  margin: 0 auto;
}

.p-faq__item {
  background: var(--color-surface);
  border: var(--hairline);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.p-faq__item + .p-faq__item {
  margin-top: var(--space-4);
}

.p-faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-8);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  list-style: none;
  min-height: 44px;
  transition: color var(--transition-base);
}

.p-faq__q::-webkit-details-marker {
  display: none;
}

.p-faq__q::before {
  content: 'Q';
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--color-text-white);
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 700;
}

.p-faq__q::after {
  content: '';
  flex-shrink: 0;
  width: 0.9rem;
  height: 0.9rem;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  transition: transform var(--transition-base);
  margin-left: auto;
}

.p-faq__item[open] .p-faq__q::after {
  transform: rotate(-135deg);
}

.p-faq__q:hover {
  color: var(--accent-dark);
}

.p-faq__a {
  padding: 0 var(--space-8) var(--space-8) 7rem;
  font-size: 1.4rem;
  line-height: 2.1;
  color: var(--color-text-light);
}

/* ---------- CTA band (ref part-07) ---------- */
.p-cta {
  position: relative;
  padding: var(--section-padding) 0;
  background: var(--gradient-cta);
  color: var(--color-text-white);
  border-radius: var(--radius-panel) var(--radius-panel) 0 0;
  margin-top: calc(var(--radius-panel) * -1);
  overflow: hidden;
}

.p-cta::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -12%;
  width: 46rem;
  height: 46rem;
  border-radius: 8rem;
  background: rgba(255, 255, 255, 0.06);
  transform: rotate(24deg);
  pointer-events: none;
}

.p-cta__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 44rem);
  gap: var(--space-16);
  align-items: center;
}

.p-cta__title {
  font-size: clamp(2.8rem, 3.6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-6);
}

.p-cta__lead {
  font-size: 1.5rem;
  line-height: 2.1;
  color: rgba(255, 255, 255, 0.85);
  max-width: 46rem;
}

.p-cta__form {
  padding: var(--space-10);
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-float);
  color: var(--color-text);
}

.p-cta__form-title {
  font-size: 1.7rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-6);
}

.p-cta__field + .p-cta__field {
  margin-top: var(--space-4);
}

.p-cta__field label {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink-3);
  margin-bottom: var(--space-1);
}

.p-cta__field input,
.p-cta__field select {
  width: 100%;
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-ja);
  font-size: 1.4rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: var(--hairline);
  border-radius: var(--radius-sm);
}

.p-cta__field input:focus,
.p-cta__field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
}

.p-cta__submit {
  width: 100%;
  margin-top: var(--space-6);
  background: var(--accent);
  color: var(--color-text-white);
}

.p-cta__submit:hover {
  background: var(--accent-dark);
}

.p-cta__proto-note {
  margin-top: var(--space-4);
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  text-align: center;
}

.p-cta__proto-note.is-emphasis {
  color: var(--accent-dark);
  font-weight: 700;
}

/* ---------- Footer (ref part-07: white, dash links) ---------- */
.l-footer {
  background: var(--color-surface);
  padding: var(--space-16) 0 var(--space-12);
}

.l-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-12);
}

.l-footer__logo {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-2);
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-dark);
  margin-bottom: var(--space-4);
}

.l-footer__logo span {
  font-family: var(--font-ja);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-light);
  letter-spacing: 0.12em;
}

.l-footer__copy {
  font-family: var(--font-en);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.l-footer__nav {
  display: flex;
  gap: var(--space-16);
}

.l-footer__nav a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color var(--transition-base);
}

.l-footer__nav a::before {
  content: '';
  width: 1.4rem;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.l-footer__nav a:hover {
  color: var(--accent);
}

/* ---------- Floating CTA (ref part-01 bottom-right card) ---------- */
.c-float-cta {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  z-index: 90;
  width: 24rem;
  padding: var(--space-6);
  background: var(--gradient-card-cta);
  color: var(--color-text-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-float);
  opacity: 0;
  visibility: hidden;
  transform: translateY(1.2rem);
  transition: opacity var(--transition-slow), transform var(--transition-slow), visibility var(--transition-slow);
}

.c-float-cta.is-shown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.c-float-cta__text {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-4);
}

.c-float-cta__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-btn);
  font-size: 1.3rem;
  font-weight: 700;
  transition: background var(--transition-base), color var(--transition-base);
}

.c-float-cta__btn:hover {
  background: var(--color-surface);
  color: var(--accent-dark);
}

/* ---------- Reveal ---------- */
.js-reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .l-header__nav {
    display: none;
  }
}

@media (max-width: 768px) {
  html {
    scroll-padding-top: var(--header-height-sp);
  }

  .u-sp-only {
    display: inline;
  }

  .l-container {
    padding: 0 var(--space-5);
  }

  .l-panel {
    padding: var(--section-padding-sp) 0;
    border-radius: 24px 24px 0 0;
    margin-top: -24px;
  }

  .l-header {
    height: var(--header-height-sp);
  }

  .l-header__inner {
    padding: 0 var(--space-5);
  }

  .l-header__actions {
    display: none;
  }

  .c-menu-btn {
    display: block;
    margin-left: auto;
  }

  /* NOTE: backdrop-filter on .l-header makes it the containing block for
     fixed descendants — use explicit top/left + 100vh instead of inset:0 */
  .l-header__drawer {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100svh;
    z-index: 110;
    background: var(--color-surface);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
  }

  .l-header.is-open .l-header__drawer {
    opacity: 1;
    visibility: visible;
  }

  .l-header__drawer a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 0 var(--space-6);
  }

  .l-header__drawer-cta {
    margin-top: var(--space-4);
    border: 1px solid var(--accent);
    border-radius: var(--radius-btn);
    color: var(--accent);
  }

  .p-hero {
    padding: calc(var(--header-height-sp) + var(--space-10)) 0 var(--space-12);
  }

  .p-hero__ribbon {
    top: -12%;
    right: -60%;
    width: 160%;
    border-radius: 64px;
  }

  .p-hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-10);
  }

  .p-hero__lead {
    font-size: 1.45rem;
  }

  .p-hero__stats {
    gap: var(--space-6);
    flex-wrap: wrap;
  }

  .p-hero__stat dd {
    font-size: 2.4rem;
  }

  .p-trust {
    padding: var(--space-10) 0 calc(var(--space-10) + 24px);
  }

  .p-trust__item {
    min-height: 4.4rem;
    padding: var(--space-2) var(--space-5);
    font-size: 1.3rem;
  }

  .p-problem__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-5);
  }

  .p-service__row,
  .p-service__row--reverse {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-8);
  }

  .p-service__row--reverse .p-service__media {
    order: 0;
  }

  .p-service__row + .p-service__row {
    margin-top: var(--space-16);
  }

  .c-tilt-media::before {
    inset: 1rem -1rem -1rem 1rem;
  }

  .p-outcome__kpi {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-5);
    margin-bottom: var(--space-12);
  }

  .p-outcome__body {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-10);
  }

  .p-advisor__card {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-8);
    padding: var(--space-8) var(--space-6);
  }

  .p-advisor__photo {
    max-width: 24rem;
    margin: 0 auto;
  }

  .p-flow__steps {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-5);
  }

  .p-flow__step:not(:last-child)::after {
    top: auto;
    right: 50%;
    bottom: calc(var(--space-5) * -0.7);
    transform: translateX(50%) rotate(135deg);
  }

  .p-faq__q {
    padding: var(--space-5) var(--space-5);
    font-size: 1.45rem;
  }

  .p-faq__a {
    padding: 0 var(--space-5) var(--space-6) var(--space-5);
  }

  .p-cta {
    border-radius: 24px 24px 0 0;
    margin-top: -24px;
  }

  .p-cta__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-10);
  }

  .p-cta__form {
    padding: var(--space-8) var(--space-6);
  }

  .l-footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-8);
  }

  .l-footer__nav {
    gap: var(--space-10);
  }

  .c-float-cta {
    right: var(--space-4);
    bottom: var(--space-4);
    width: auto;
    left: var(--space-4);
    padding: var(--space-4) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-5);
  }

  .c-float-cta__text {
    margin-bottom: 0;
    font-size: 1.25rem;
    flex: 1;
  }

  .c-float-cta__text br {
    display: none;
  }

  .c-float-cta__btn {
    flex-shrink: 0;
    padding: 0 var(--space-5);
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .p-hero__cta .c-btn {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

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