:root {
  --ph-ink-950: #06121f;
  --ph-ink-900: #081a2a;
  --ph-ink-800: #0d2a40;
  --ph-surface: #ffffff;
  --ph-surface-soft: #f4f7f9;
  --ph-text: #172632;
  --ph-muted: #5f6e79;
  --ph-line: #d8e1e7;
  --ph-blue: #8dcbe2;
  --ph-blue-deep: #27789b;
  --ph-gold: #c7a96d;
  --ph-error: #b42318;
  --ph-success: #157347;
  --ph-serif: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --ph-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --ph-shadow: 0 22px 60px rgba(6, 18, 31, 0.1);
  --ph-container: 1200px;
  --ph-header-height: 84px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--ph-header-height) + 20px);
}

body {
  margin: 0;
  color: var(--ph-text);
  background: var(--ph-surface);
  font-family: var(--ph-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0.015em;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body,
button,
input,
select {
  font-family: var(--ph-sans);
}

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

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

button,
select {
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.68;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 2000;
  padding: 10px 16px;
  color: #fff;
  background: var(--ph-blue-deep);
  border-radius: 6px;
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid #58b9de;
  outline-offset: 4px;
}

.ph-container {
  width: min(var(--ph-container), calc(100% - 48px));
  margin-inline: auto;
}

.ph-reading {
  max-width: 820px;
}

.ph-section {
  position: relative;
  padding: clamp(104px, 10vw, 152px) 0;
}

.ph-section h2,
.ph-origin h2,
.ph-brandbook h2,
.ph-request h2,
.ph-faq h2 {
  margin: 0;
  color: var(--ph-ink-900);
  font-family: var(--ph-serif);
  font-size: clamp(2.15rem, 4.2vw, 3.75rem);
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: 0.01em;
}

.ph-section-heading {
  max-width: 860px;
  margin-bottom: 64px;
}

.ph-section-heading > p:last-child {
  max-width: 700px;
  margin: 28px 0 0;
  color: var(--ph-muted);
  font-size: 1.04rem;
}

.ph-section-heading--light h2 {
  color: #fff;
}

.ph-section-heading--light > p:last-child {
  color: rgba(255, 255, 255, 0.72);
}

.ph-eyebrow {
  margin: 0 0 24px;
  color: var(--ph-blue-deep);
  font-family: var(--ph-sans);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.18em;
}

.ph-prose {
  margin-top: 38px;
  color: #344451;
  font-size: clamp(1rem, 1.3vw, 1.1rem);
}

.ph-prose p {
  margin: 0;
}

.ph-prose p + p {
  margin-top: 20px;
}

.ph-note,
.ph-disclaimer {
  color: var(--ph-muted);
  font-size: 0.875rem;
  line-height: 1.8;
}

.ph-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 14px 25px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.45;
  text-align: center;
  text-decoration: none;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.ph-button--primary,
.ph-button--submit {
  color: var(--ph-ink-950);
  background: var(--ph-blue);
  border-color: var(--ph-blue);
  box-shadow: 0 12px 30px rgba(70, 160, 196, 0.2);
}

.ph-button--primary:hover,
.ph-button--submit:hover {
  background: #a4d9ea;
  border-color: #a4d9ea;
  box-shadow: 0 16px 34px rgba(70, 160, 196, 0.28);
  transform: translateY(-2px);
}

.ph-text-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  gap: 10px;
  padding: 10px 4px;
  color: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
}

.ph-text-link:hover {
  color: #fff;
  border-bottom-color: var(--ph-blue);
}

/* Header */
.ph-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  min-height: var(--ph-header-height);
  color: #fff;
  background: rgba(6, 18, 31, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition:
    background-color 180ms ease,
    box-shadow 180ms ease;
}

.ph-header.is-scrolled {
  background: rgba(6, 18, 31, 0.96);
  box-shadow: 0 8px 26px rgba(1, 8, 15, 0.16);
}

.ph-header__inner {
  min-height: var(--ph-header-height);
  display: grid;
  grid-template-columns: minmax(188px, 1fr) auto minmax(260px, 1fr);
  align-items: center;
  gap: 30px;
}

.ph-brand {
  display: inline-flex;
  width: fit-content;
  flex-direction: column;
  gap: 2px;
  color: inherit;
  text-decoration: none;
}

.ph-brand img {
  width: 190px;
  height: auto;
  filter: brightness(0) invert(1);
}

.ph-brand span {
  color: var(--ph-blue);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ph-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.ph-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 160ms ease;
}

.ph-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 1px;
  background: var(--ph-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.ph-nav a:hover {
  color: #fff;
}

.ph-nav a:hover::after {
  transform: scaleX(1);
}

.ph-button--header {
  justify-self: end;
  min-height: 46px;
  padding: 10px 18px;
  color: #fff;
  background: transparent;
  border-color: rgba(141, 203, 226, 0.62);
  font-size: 0.875rem;
  font-weight: 600;
}

.ph-button--header:hover {
  color: var(--ph-ink-950);
  background: var(--ph-blue);
  border-color: var(--ph-blue);
}

/* Hero */
.ph-hero {
  position: relative;
  min-height: min(960px, 100svh);
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--ph-header-height) + 88px) 0 96px;
  color: #fff;
  background:
    radial-gradient(circle at 73% 22%, rgba(71, 139, 169, 0.2), transparent 28%),
    linear-gradient(128deg, #06121f 4%, #081a2a 58%, #0b263a 100%);
}

.ph-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.3;
  background-image:
    linear-gradient(rgba(141, 203, 226, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(141, 203, 226, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, transparent, #000 42%, #000);
}

.ph-hero__inner {
  position: relative;
  z-index: 2;
}

.ph-hero__copy {
  width: 82%;
}

.ph-hero .ph-eyebrow {
  color: var(--ph-blue);
}

.ph-hero h1 {
  margin: 0;
  color: #fff;
  font-family: var(--ph-serif);
  font-size: clamp(2.75rem, 5.3vw, 5.25rem);
  font-weight: 600;
  line-height: 1.34;
  letter-spacing: 0.02em;
  text-wrap: balance;
}

.ph-mobile-title-break {
  display: none;
}

@media (min-width: 1101px) {
  .ph-hero h1 > span {
    white-space: nowrap;
  }
}

.ph-manifesto {
  margin: 36px 0 0;
  color: rgba(255, 255, 255, 0.92);
  font-family: var(--ph-serif);
  font-size: clamp(1rem, 1.55vw, 1.3rem);
  font-weight: 500;
  line-height: 2.05;
  letter-spacing: 0.035em;
}

.ph-hero__lead {
  max-width: 700px;
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.69);
  font-size: clamp(0.98rem, 1.2vw, 1.06rem);
  line-height: 1.9;
}

.ph-hero__lead p {
  margin: 0;
}

.ph-hero__lead p + p {
  margin-top: 8px;
}

.ph-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 36px;
}

.ph-microcopy {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.875rem;
  line-height: 1.7;
}

.ph-hero__visual {
  position: absolute;
  top: 50%;
  right: max(-130px, calc((100vw - 1500px) / 2));
  z-index: 0;
  width: min(58vw, 780px);
  transform: translateY(-50%);
  opacity: 0.82;
  pointer-events: none;
}

.ph-circuit path {
  stroke-dasharray: 1120;
  stroke-dashoffset: 1120;
  animation: ph-circuit-reveal 2.6s cubic-bezier(.2, .7, .2, 1) 0.2s forwards;
}

@keyframes ph-circuit-reveal {
  to { stroke-dashoffset: 0; }
}

/* Challenge */
.ph-challenge {
  color: #fff;
  background: var(--ph-ink-950);
}

.ph-challenge .ph-eyebrow {
  color: var(--ph-blue);
}

.ph-challenge h2 {
  color: #fff;
}

.ph-challenge .ph-prose {
  color: rgba(255, 255, 255, 0.7);
}

.ph-statement {
  margin: clamp(60px, 8vw, 96px) 0 0;
  color: #fff;
  font-family: var(--ph-serif);
  font-size: clamp(2rem, 4vw, 3.75rem);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.025em;
}

.ph-statement::before {
  content: "";
  display: block;
  width: 76px;
  height: 1px;
  margin-bottom: 34px;
  background: var(--ph-gold);
}

.ph-challenge__close {
  margin: 64px 0 0;
  padding: 30px 34px;
  color: rgba(255, 255, 255, 0.9);
  border-left: 2px solid var(--ph-blue);
  background: rgba(141, 203, 226, 0.06);
  font-family: var(--ph-serif);
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  font-weight: 500;
  line-height: 1.8;
}

/* Origin */
.ph-origin {
  overflow: hidden;
  background:
    linear-gradient(90deg, #fff 0 52%, #f5f8fa 52% 100%);
}

.ph-origin__grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(56px, 8vw, 118px);
}

.ph-origin h2,
.ph-request h2 {
  font-size: clamp(2.15rem, 3.3vw, 3.1rem);
}

.ph-origin__content blockquote {
  margin: 0 0 48px;
  padding: 0;
}

.ph-origin__content blockquote p {
  position: relative;
  margin: 0;
  padding-top: 34px;
  color: var(--ph-ink-900);
  font-family: var(--ph-serif);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  font-weight: 500;
  line-height: 1.8;
  letter-spacing: 0.025em;
}

.ph-origin__content blockquote p::before {
  content: "“";
  position: absolute;
  top: -24px;
  left: -8px;
  color: var(--ph-blue);
  font-family: Georgia, serif;
  font-size: 6rem;
  font-weight: 400;
  line-height: 1;
}

.ph-origin__content blockquote p::after {
  content: "”";
  margin-left: 0.18em;
  color: var(--ph-blue-deep);
  font-family: Georgia, serif;
  font-size: 1.15em;
  font-weight: 400;
  line-height: 0;
}

.ph-origin__close {
  margin: 52px 0 0;
  color: var(--ph-ink-900);
  font-family: var(--ph-serif);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-weight: 600;
  line-height: 1.8;
}

.ph-origin .ph-note {
  margin: 36px 0 0;
}

/* Purpose */
.ph-purpose {
  background: #fff;
}

.ph-statement--ink {
  color: var(--ph-ink-900);
}

/* Certainty */
.ph-certainty {
  background: var(--ph-surface-soft);
}

.ph-certainty__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: certainty;
}

.ph-certainty__grid li {
  position: relative;
  min-height: 168px;
  padding: 34px 36px 30px 84px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--ph-line);
  border-radius: 8px;
  transition:
    border-color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.ph-certainty__grid li:hover {
  border-color: rgba(39, 120, 155, 0.4);
  box-shadow: 0 14px 32px rgba(6, 18, 31, 0.07);
  transform: translateY(-2px);
}

.ph-certainty__grid li:last-child {
  grid-column: 1 / -1;
  width: calc(50% - 9px);
  justify-self: center;
}

.ph-card-no {
  position: absolute;
  top: 34px;
  left: 30px;
  color: var(--ph-blue-deep);
  font-family: var(--ph-sans);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.ph-certainty__grid h3 {
  margin: 0;
  color: var(--ph-ink-900);
  font-family: var(--ph-serif);
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.55;
}

.ph-certainty__grid p {
  margin: 14px 0 0;
  color: var(--ph-muted);
  font-size: 0.94rem;
  line-height: 1.75;
}

.ph-definition {
  margin-top: 48px;
  padding: 30px 36px;
  background: var(--ph-ink-900);
  border-left: 4px solid var(--ph-blue);
  color: rgba(255, 255, 255, 0.76);
}

.ph-definition p {
  margin: 0;
}

.ph-definition strong {
  color: #fff;
  font-weight: 600;
}

.ph-disclaimer {
  max-width: 920px;
  margin: 24px 0 0;
}

/* Mission / Vision / Promise */
.ph-mvp {
  background: #fff;
}

.ph-mvp__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.ph-mvp__card {
  min-height: 270px;
  padding: clamp(34px, 5vw, 58px);
  background: #fff;
  border: 1px solid var(--ph-line);
  border-radius: 8px;
}

.ph-mvp__card--mission {
  grid-column: 1 / -1;
  min-height: 310px;
  color: #fff;
  background:
    radial-gradient(circle at 90% 10%, rgba(141, 203, 226, 0.16), transparent 26%),
    var(--ph-ink-900);
  border-color: var(--ph-ink-900);
}

.ph-mvp__card > p {
  margin: 0 0 28px;
  color: var(--ph-blue-deep);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.14em;
}

.ph-mvp__card--mission > p {
  color: var(--ph-blue);
}

.ph-mvp__card > p span {
  letter-spacing: 0.02em;
}

.ph-mvp__card h3 {
  margin: 0;
  color: var(--ph-ink-900);
  font-family: var(--ph-serif);
  font-size: clamp(1.35rem, 2.4vw, 2.15rem);
  font-weight: 600;
  line-height: 1.7;
}

.ph-mvp__card:not(.ph-mvp__card--mission) h3 {
  font-size: clamp(1.35rem, 2.25vw, 2rem);
}

.ph-mvp__card--mission h3 {
  max-width: 1080px;
  color: #fff;
}

.ph-mvp__close {
  margin: 42px 0 0;
  color: var(--ph-muted);
  text-align: center;
}

/* Values and cycle */
.ph-values {
  background: var(--ph-surface-soft);
}

.ph-values__list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ph-line);
  list-style: none;
}

.ph-values__list li {
  display: grid;
  grid-template-columns: 66px 1fr;
  gap: 24px;
  align-items: start;
  padding: 32px 0;
  border-bottom: 1px solid var(--ph-line);
}

.ph-values__list li > span {
  padding-top: 6px;
  color: var(--ph-blue-deep);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.ph-values__list h3 {
  margin: 0;
  color: var(--ph-ink-900);
  font-family: var(--ph-serif);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 600;
  line-height: 1.65;
}

.ph-values__list p {
  margin: 9px 0 0;
  color: var(--ph-muted);
}

.ph-cycle {
  margin-top: 80px;
  padding: clamp(36px, 6vw, 64px);
  color: #fff;
  background: var(--ph-ink-900);
  border-radius: 10px;
}

.ph-cycle .ph-eyebrow {
  color: var(--ph-blue);
}

.ph-cycle > h3 {
  margin: 0;
  font-family: var(--ph-serif);
  font-size: clamp(1.75rem, 3.6vw, 3.2rem);
  font-weight: 500;
  line-height: 1.6;
}

.ph-cycle ol {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin: 48px 0 0;
  padding: 1px;
  background: rgba(255, 255, 255, 0.12);
  list-style: none;
}

.ph-cycle ol li {
  min-height: 176px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
  background: var(--ph-ink-900);
}

.ph-cycle ol strong {
  color: var(--ph-blue);
  font-family: var(--ph-serif);
  font-size: 1.16rem;
  font-weight: 600;
}

.ph-cycle ol span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.88rem;
  line-height: 1.75;
}

.ph-cycle__close {
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-family: var(--ph-serif);
  font-size: 1.08rem;
}

/* Proof */
.ph-proof {
  color: #fff;
  background:
    radial-gradient(circle at 88% 12%, rgba(141, 203, 226, 0.14), transparent 25%),
    linear-gradient(145deg, var(--ph-ink-950), var(--ph-ink-800));
}

.ph-proof .ph-eyebrow {
  color: var(--ph-blue);
}

.ph-proof .ph-section-heading {
  max-width: 980px;
}

.ph-proof .ph-section-heading > p:last-child {
  max-width: 780px;
  text-wrap: pretty;
}

.ph-kpi {
  display: grid;
  grid-template-columns: 0.9fr 1.25fr 0.9fr 0.9fr;
  gap: 0;
  margin: 0;
}

.ph-kpi > article {
  min-width: 0;
  padding: 32px 22px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.ph-kpi > article:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.ph-kpi h3 {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
}

.ph-kpi article > p {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin: 18px 0 0;
  line-height: 1;
  white-space: nowrap;
}

.ph-kpi article > p strong {
  color: #fff;
  font-family: var(--ph-serif);
  font-size: clamp(2.1rem, 3.6vw, 3.25rem);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.ph-kpi article > p span {
  color: var(--ph-blue);
  font-size: 0.88rem;
  font-weight: 600;
}

.ph-kpi small {
  display: block;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.875rem;
}

.ph-proof__source {
  margin-top: 18px;
  text-align: right;
}

.ph-proof__source a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 8px;
  color: var(--ph-blue);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
}

.ph-proof__source a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.ph-case {
  display: grid;
  grid-template-columns: 0.65fr 1.45fr 1fr;
  gap: 42px;
  align-items: center;
  margin-top: 64px;
  padding: 42px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
}

.ph-case__label {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ph-case__label span {
  color: var(--ph-blue);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.ph-case__label strong {
  font-family: var(--ph-serif);
  font-size: 1.08rem;
  font-weight: 500;
}

.ph-case__main h3 {
  margin: 0;
  font-family: var(--ph-serif);
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  font-weight: 500;
  line-height: 1.5;
}

.ph-case__main h3 span {
  color: var(--ph-blue);
  white-space: nowrap;
}

.ph-case__main p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.62);
}

.ph-case__results {
  display: grid;
  gap: 18px;
}

.ph-case__results p {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin: 0;
}

.ph-case__results p > span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.875rem;
}

.ph-case__results p > strong {
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
}

.ph-case__results p > strong b {
  margin: 0 3px;
  color: var(--ph-blue);
  font-family: var(--ph-serif);
  font-size: 1.8rem;
  font-weight: 500;
}

.ph-trust-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.ph-trust-links a {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  color: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  transition:
    color 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.ph-trust-links a:hover {
  color: #fff;
  border-color: rgba(141, 203, 226, 0.56);
  background: rgba(141, 203, 226, 0.06);
}

/* Brand book */
.ph-brandbook {
  background: #fff;
}

.ph-brandbook__grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(62px, 10vw, 130px);
  align-items: center;
}

.ph-brandbook__cover {
  position: relative;
  padding: 14px 14px 18px;
  background: #fff;
  border: 1px solid var(--ph-line);
  box-shadow: var(--ph-shadow);
}

.ph-brandbook__cover picture {
  display: block;
  aspect-ratio: 1489 / 2105;
  overflow: hidden;
  background: var(--ph-surface-soft);
}

.ph-brandbook__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ph-brandbook__cover > p {
  margin: 14px 0 0;
  color: var(--ph-muted);
  font-size: 0.875rem;
  line-height: 1.5;
  text-align: center;
}

.ph-brandbook__copy .ph-prose {
  max-width: 660px;
}

.ph-brandbook__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 24px;
  margin: 36px 0 40px;
  padding: 0;
  list-style: none;
}

.ph-brandbook__list li {
  position: relative;
  padding-left: 20px;
  color: #354653;
  font-size: 0.91rem;
  line-height: 1.65;
}

.ph-brandbook__list li::before {
  content: "";
  position: absolute;
  top: 0.67em;
  left: 0;
  width: 8px;
  height: 1px;
  background: var(--ph-blue-deep);
}

/* Request */
.ph-request {
  background: var(--ph-surface-soft);
}

.ph-request__grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(52px, 6vw, 90px);
  align-items: start;
}

.ph-request__intro {
  position: sticky;
  top: calc(var(--ph-header-height) + 36px);
}

.ph-request__intro > p:not(.ph-eyebrow) {
  margin: 28px 0 0;
  color: var(--ph-muted);
}

.ph-request__assurances {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.ph-request__assurances span {
  padding: 7px 10px;
  color: #365163;
  background: #fff;
  border: 1px solid var(--ph-line);
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.4;
}

.ph-form-shell {
  min-width: 0;
  padding: clamp(28px, 5vw, 52px);
  background: #fff;
  border: 1px solid var(--ph-line);
  border-radius: 10px;
  box-shadow: 0 24px 60px rgba(6, 18, 31, 0.08);
}

.ph-field + .ph-field {
  margin-top: 25px;
}

.ph-field label,
.ph-consents legend {
  display: block;
  margin-bottom: 8px;
  color: var(--ph-ink-900);
  font-size: 0.9375rem;
  font-weight: 600;
}

.ph-field label em,
.ph-privacy em {
  margin-left: 7px;
  color: var(--ph-blue-deep);
  font-size: 0.875rem;
  font-style: normal;
  font-weight: 700;
}

.ph-field input,
.ph-field select {
  width: 100%;
  min-height: 52px;
  padding: 11px 13px;
  color: var(--ph-text);
  background: #fff;
  border: 1px solid #aebcc6;
  border-radius: 6px;
  font-size: 16px;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.ph-field input:hover,
.ph-field select:hover {
  border-color: #718997;
}

.ph-field input:focus,
.ph-field select:focus {
  outline: 0;
  border-color: var(--ph-blue-deep);
  box-shadow: 0 0 0 3px rgba(39, 120, 155, 0.14);
}

.ph-field [aria-invalid="true"],
.ph-privacy input[aria-invalid="true"] {
  border-color: var(--ph-error);
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.1);
}

.ph-field-help,
.ph-field-error {
  margin: 7px 0 0;
  font-size: 0.875rem;
  line-height: 1.6;
}

.ph-field-help {
  color: var(--ph-muted);
}

.ph-field-error {
  min-height: 0;
  color: var(--ph-error);
}

.ph-field-error:empty {
  display: none;
}

.ph-consents {
  display: grid;
  gap: 13px;
  margin: 30px 0 0;
  padding: 0;
  border: 0;
}

.ph-consents legend {
  margin-bottom: 4px;
  padding: 0;
}

.ph-consents label,
.ph-privacy label {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  color: #354653;
  font-size: 0.88rem;
  line-height: 1.65;
  cursor: pointer;
}

.ph-consents input,
.ph-privacy input {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin: 3px 0 0;
  accent-color: var(--ph-blue-deep);
}

.ph-privacy {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--ph-line);
}

.ph-privacy a {
  color: var(--ph-blue-deep);
  text-underline-offset: 3px;
}

.ph-use-purpose {
  margin: 15px 0 0;
  color: var(--ph-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.ph-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.ph-button--submit {
  width: 100%;
  margin-top: 28px;
  border: 0;
}

.ph-submit-note {
  margin: 13px 0 0;
  color: var(--ph-muted);
  font-size: 0.875rem;
  line-height: 1.65;
  text-align: center;
}

.ph-form-error-summary {
  margin: 0 0 24px;
  padding: 14px 16px;
  color: #7d1b13;
  background: #fff2f0;
  border: 1px solid #f0b3ad;
  border-radius: 6px;
  font-size: 0.9rem;
  line-height: 1.65;
}

.ph-success {
  text-align: center;
}

.ph-success__mark {
  display: inline-flex;
  width: 50px;
  height: 50px;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: #fff;
  background: var(--ph-success);
  border-radius: 50%;
  font-size: 1.45rem;
  line-height: 1;
}

.ph-success h2 {
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
}

.ph-success > p {
  margin: 24px 0 30px;
  color: var(--ph-muted);
}

.ph-success__links {
  display: grid;
  gap: 9px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--ph-line);
}

.ph-success__links a {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ph-blue-deep);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
}

.ph-success__links a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* FAQ and final */
.ph-faq {
  background: #fff;
}

.ph-faq h2 {
  margin-bottom: 48px;
}

.ph-faq__list {
  border-top: 1px solid var(--ph-line);
}

.ph-faq details {
  border-bottom: 1px solid var(--ph-line);
}

.ph-faq summary {
  position: relative;
  padding: 26px 50px 26px 0;
  color: var(--ph-ink-900);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.65;
  list-style: none;
  cursor: pointer;
}

.ph-faq summary::-webkit-details-marker {
  display: none;
}

.ph-faq summary::before,
.ph-faq summary::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 8px;
  width: 18px;
  height: 1px;
  background: var(--ph-blue-deep);
  transition: transform 180ms ease;
}

.ph-faq summary::after {
  transform: rotate(90deg);
}

.ph-faq details[open] summary::after {
  transform: rotate(0);
}

.ph-faq details p {
  margin: -4px 0 0;
  padding: 0 46px 26px 0;
  color: var(--ph-muted);
}

.ph-final {
  padding: 92px 0;
  color: #fff;
  background: var(--ph-ink-900);
}

.ph-final .ph-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.ph-final p {
  margin: 0;
  font-family: var(--ph-serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 500;
  line-height: 1.55;
}

/* Footer */
.ph-footer {
  padding: 60px 0 30px;
  color: rgba(255, 255, 255, 0.66);
  background: var(--ph-ink-950);
}

.ph-footer__grid {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.ph-brand--footer img {
  width: 200px;
}

.ph-footer__grid > div > p {
  margin: 16px 0 0;
  font-size: 0.875rem;
}

.ph-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 24px;
}

.ph-footer nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  text-decoration: none;
}

.ph-footer nav a:hover {
  color: #fff;
}

.ph-footer__bottom {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.ph-footer__bottom p {
  margin: 0;
  font-size: 0.875rem;
}

.ph-mobile-cta {
  display: none;
}

@media (max-width: 1100px) {
  .ph-header__inner {
    grid-template-columns: minmax(180px, 1fr) auto;
  }

  .ph-nav {
    display: none;
  }

  .ph-button--header {
    grid-column: 2;
  }

  .ph-hero__copy {
    width: min(920px, 88%);
  }

  .ph-kpi {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ph-kpi > article:nth-child(3) {
    border-top: 1px solid rgba(255, 255, 255, 0.16);
  }

  .ph-kpi > article:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.16);
  }

  .ph-case {
    grid-template-columns: 0.7fr 1.3fr;
  }

  .ph-case__results {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
  }

  .ph-cycle ol {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 821px) and (max-width: 1100px) {
  .ph-hero h1 > span {
    white-space: nowrap;
  }
}

@media (max-width: 820px) {
  :root {
    --ph-header-height: 72px;
  }

  .ph-container {
    width: min(var(--ph-container), calc(100% - 36px));
  }

  .ph-section {
    padding: 88px 0;
  }

  .ph-desktop-only {
    display: none;
  }

  .ph-header__inner {
    gap: 14px;
  }

  .ph-brand img {
    width: 158px;
  }

  .ph-brand span {
    font-size: 0.875rem;
  }

  .ph-button--header {
    min-height: 44px;
    max-width: 220px;
    padding: 8px 12px;
    font-size: 0.875rem;
  }

  .ph-hero {
    min-height: auto;
    padding: calc(var(--ph-header-height) + 70px) 0 90px;
  }

  .ph-hero__copy {
    width: 88%;
  }

  .ph-hero__visual {
    top: 58%;
    right: -220px;
    width: 690px;
    opacity: 0.5;
  }

  .ph-origin {
    background: linear-gradient(180deg, #fff 0 37%, #f5f8fa 37% 100%);
  }

  .ph-origin__grid,
  .ph-brandbook__grid,
  .ph-request__grid {
    grid-template-columns: 1fr;
  }

  .ph-origin__grid,
  .ph-brandbook__grid,
  .ph-request__grid {
    gap: 58px;
  }

  .ph-certainty__grid li {
    padding-left: 70px;
  }

  .ph-card-no {
    left: 24px;
  }

  .ph-mvp__grid {
    grid-template-columns: 1fr;
  }

  .ph-mvp__card--mission {
    grid-column: auto;
  }

  .ph-cycle ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ph-trust-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ph-brandbook__cover {
    width: min(440px, 85%);
    margin-inline: auto;
  }

  .ph-request__intro {
    position: static;
  }

  .ph-footer__grid {
    align-items: flex-start;
    flex-direction: column;
  }

  .ph-footer nav {
    justify-content: flex-start;
  }
}

@media (max-width: 600px) {
  body {
    padding-bottom: 76px;
    line-height: 1.82;
  }

  .ph-container {
    width: min(var(--ph-container), calc(100% - 28px));
  }

  .ph-section {
    padding: 76px 0;
  }

  .ph-section h2,
  .ph-origin h2,
  .ph-brandbook h2,
  .ph-request h2,
  .ph-faq h2 {
    font-size: clamp(1.9rem, 8.8vw, 2.45rem);
  }

  .ph-header__inner {
    min-height: var(--ph-header-height);
  }

  .ph-brand img {
    width: 142px;
  }

  .ph-brand span {
    display: none;
  }

  .ph-button--header {
    max-width: 142px;
    padding: 7px 9px;
    font-size: 0.875rem;
    line-height: 1.35;
  }

  .ph-hero {
    padding: calc(var(--ph-header-height) + 52px) 0 76px;
  }

  .ph-hero__copy {
    width: 100%;
  }

  .ph-hero h1 {
    font-size: clamp(2.15rem, 10.9vw, 3rem);
    line-height: 1.42;
    text-wrap: wrap;
  }

  .ph-mobile-title-break {
    display: inline;
  }

  .ph-manifesto {
    margin-top: 28px;
    line-height: 1.95;
  }

  .ph-hero__lead {
    font-size: 0.96rem;
  }

  .ph-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
    margin-top: 30px;
  }

  .ph-actions .ph-button,
  .ph-actions .ph-text-link {
    width: 100%;
  }

  .ph-actions .ph-text-link {
    justify-content: center;
  }

  .ph-microcopy {
    text-align: center;
  }

  .ph-hero__visual {
    top: 68%;
    right: -300px;
    width: 650px;
    opacity: 0.34;
  }

  .ph-statement {
    font-size: clamp(1.72rem, 8vw, 2.35rem);
  }

  .ph-challenge__close {
    margin-top: 48px;
    padding: 24px 22px;
  }

  .ph-origin__grid {
    gap: 46px;
  }

  .ph-origin__content blockquote p {
    padding-top: 24px;
    font-size: 1.35rem;
  }

  .ph-certainty__grid {
    grid-template-columns: 1fr;
  }

  .ph-certainty__grid li,
  .ph-certainty__grid li:last-child {
    grid-column: auto;
    width: 100%;
  }

  .ph-definition {
    padding: 24px 22px;
  }

  .ph-mvp__card {
    min-height: auto;
    padding: 30px 24px;
  }

  .ph-values__list li {
    grid-template-columns: 40px 1fr;
    gap: 12px;
  }

  .ph-cycle {
    margin-top: 64px;
    padding: 30px 22px;
  }

  .ph-cycle ol {
    grid-template-columns: 1fr;
  }

  .ph-cycle ol li {
    min-height: auto;
  }

  .ph-kpi {
    grid-template-columns: 1fr;
  }

  .ph-kpi > article,
  .ph-kpi > article:nth-child(3),
  .ph-kpi > article:nth-child(4) {
    padding: 26px 8px;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .ph-kpi > article:first-child {
    border-top: 1px solid rgba(255, 255, 255, 0.16);
  }

  .ph-kpi article > p strong {
    font-size: 2.75rem;
  }

  .ph-proof__source {
    text-align: left;
  }

  .ph-case {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 26px 22px;
  }

  .ph-case__results {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .ph-trust-links {
    grid-template-columns: 1fr;
  }

  .ph-brandbook__grid {
    gap: 50px;
  }

  .ph-brandbook__cover {
    width: min(390px, 92%);
  }

  .ph-brandbook__list {
    grid-template-columns: 1fr;
  }

  .ph-brandbook__copy > .ph-button {
    width: 100%;
  }

  .ph-form-shell {
    padding: 26px 18px;
  }

  .ph-final {
    padding: 72px 0;
  }

  .ph-final .ph-container {
    align-items: stretch;
    flex-direction: column;
  }

  .ph-footer nav {
    gap: 8px 20px;
  }

  .ph-mobile-cta {
    position: fixed;
    right: 12px;
    bottom: 10px;
    left: 12px;
    z-index: 1200;
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    color: var(--ph-ink-950);
    background: var(--ph-blue);
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 8px;
    box-shadow: 0 14px 30px rgba(6, 18, 31, 0.25);
    font-size: 0.875rem;
    font-weight: 700;
    line-height: 1.4;
    text-align: center;
    text-decoration: none;
    transform: translateY(calc(100% + 24px));
    visibility: hidden;
    transition:
      transform 220ms ease,
      visibility 220ms ease;
  }

  .ph-mobile-cta.is-visible {
    transform: translateY(0);
    visibility: visible;
  }

  .ph-mobile-cta.is-offstage {
    transform: translateY(calc(100% + 24px));
    visibility: hidden;
  }
}

@media (max-width: 360px) {
  .ph-brand img {
    width: 125px;
  }

  .ph-button--header {
    max-width: 142px;
    font-size: 0.875rem;
  }

  .ph-hero h1 {
    font-size: 2.15rem;
  }
}

@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;
  }

}

@media print {
  .ph-header,
  .ph-mobile-cta,
  .ph-button,
  .ph-text-link,
  .ph-trust-links,
  .ph-footer {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .ph-hero,
  .ph-challenge,
  .ph-proof,
  .ph-cycle {
    color: #000;
    background: #fff;
  }

  .ph-hero h1,
  .ph-challenge h2,
  .ph-challenge .ph-prose,
  .ph-statement,
  .ph-proof h2,
  .ph-cycle > h3 {
    color: #000;
  }
}