/* ----- Base ----- */
:root {
  --bg: #ffffff;
  --bg-2: #f4f7fc;
  --bg-3: #eef3fb;
  --ink: #1a2542;
  --ink-2: #4d5a76;
  --muted: #8896ad;
  --line: #dfe6f1;
  --blue: #5b8def;
  --blue-2: #4f74d6;
  --green: #4ec3a3;
  --green-2: #3eb392;
  --paper: #ffffff;
  --gradient: linear-gradient(135deg, #5b8def 0%, #4ec3a3 100%);
  --serif-en: 'Cormorant Garamond', serif;
  --sans: 'Inter', 'Noto Sans JP', -apple-system, sans-serif;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: opacity .2s ease; }
a:hover { opacity: .7; }
em {
  font-style: normal;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 700;
}

/* ----- Nav ----- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px 28px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.nav__logo-mark {
  display: block;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}
.nav__logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.nav__logo-text {
  font-family: var(--sans);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}
.nav__links {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink-2);
}
.nav__cta {
  display: inline-block;
  padding: 11px 20px;
  background: var(--gradient);
  color: #fff;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 8px 20px -10px rgba(91, 141, 239, .6);
}
.nav__cta:hover { opacity: .92; }
@media (max-width: 800px) {
  .nav__links { display: none; }
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: transform .2s ease, opacity .2s ease, box-shadow .25s ease;
}
.btn span { transition: transform .2s ease; }
.btn:hover span { transform: translateX(4px); }
.btn--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 14px 30px -12px rgba(91, 141, 239, .55);
}
.btn--primary:hover { opacity: 1; box-shadow: 0 20px 40px -12px rgba(78, 195, 163, .5); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}
.btn--ghost:hover { background: var(--bg-2); border-color: var(--ink); opacity: 1; }
.btn--lg { padding: 20px 40px; font-size: 15px; }
.btn--block { display: flex; justify-content: center; width: 100%; margin-top: 28px; }

/* ----- Hero ----- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 28px 140px;
  background:
    radial-gradient(60% 50% at 20% 20%, rgba(91, 141, 239, .12), transparent 70%),
    radial-gradient(50% 60% at 85% 80%, rgba(78, 195, 163, .14), transparent 70%),
    var(--bg);
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero__line { display: none; }
.hero__inner {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}
.hero__eyebrow {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 500;
  font-size: 18px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 24px;
  letter-spacing: .02em;
}
.hero__title {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(34px, 5.4vw, 64px);
  line-height: 1.45;
  margin: 0 0 32px;
  letter-spacing: -.01em;
  color: var(--ink);
}
.hero__title span { display: block; }
.hero__lead {
  font-size: 16px;
  color: var(--ink-2);
  margin: 0 0 44px;
  line-height: 2;
}
.hero__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 80px;
}
.hero__meta {
  display: flex;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
}
.hero__meta > div {
  text-align: center;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  min-width: 120px;
}
.hero__meta strong {
  display: block;
  font-family: var(--sans);
  font-size: 36px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -.01em;
}
.hero__meta strong span {
  font-size: 16px;
  margin-left: 4px;
  font-weight: 600;
  -webkit-text-fill-color: initial;
  background: none;
  color: var(--ink-2);
}
.hero__meta small {
  display: block;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .08em;
  margin-top: 2px;
}

/* ----- Section base ----- */
.section { padding: 130px 28px; }
.section__inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.section__eyebrow {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 12px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 18px;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.section__title {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.5;
  letter-spacing: -.01em;
  margin: 0 0 64px;
  color: var(--ink);
}

/* ----- Concept ----- */
.concept { background: var(--bg-2); }
.concept__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.concept__text p { margin: 0 0 24px; color: var(--ink-2); }
.concept__text strong { color: var(--ink); font-weight: 700; }
.concept__visual {
  position: relative;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.concept__visual {
  position: relative;
  height: 480px;
  width: 100%;
}
.concept__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: 24px;
}
.concept__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .55;
}
.concept__blob--1 {
  width: 320px;
  height: 320px;
  background: #5b8def;
  top: -10%;
  left: -10%;
}
.concept__blob--2 {
  width: 300px;
  height: 300px;
  background: #4ec3a3;
  bottom: -10%;
  right: -10%;
}
.concept__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(91, 141, 239, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 141, 239, .08) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 75%);
}
.concept__card {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-1.5deg);
  width: min(92%, 360px);
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 20px;
  padding: 24px 22px;
  box-shadow:
    0 30px 60px -20px rgba(91, 141, 239, .3),
    0 12px 30px -15px rgba(78, 195, 163, .2),
    inset 0 1px 0 rgba(255, 255, 255, .9);
}
.concept__card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(26, 37, 66, .08);
  margin-bottom: 20px;
}
.concept__card-avatar {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gradient);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px -8px rgba(91, 141, 239, .55);
}
.concept__card-avatar svg { width: 18px; height: 18px; }
.concept__card-titles {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 2px;
  min-width: 0;
}
.concept__card-eyebrow {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}
.concept__card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.005em;
}
.concept__card-pill {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 600;
  font-size: 12px;
  color: var(--ink-2);
  padding: 4px 10px;
  background: var(--bg-2);
  border-radius: 999px;
  white-space: nowrap;
}
.concept__traits {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.concept__trait-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 7px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: .01em;
}
.concept__trait-row strong {
  font-family: var(--sans);
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 15px;
}
.concept__bar {
  height: 5px;
  background: rgba(26, 37, 66, .06);
  border-radius: 999px;
  overflow: hidden;
}
.concept__bar i {
  display: block;
  height: 100%;
  width: var(--w);
  background: var(--gradient);
  border-radius: 999px;
  animation: barGrow 1.6s cubic-bezier(.2, .8, .2, 1) both;
}
@keyframes barGrow {
  from { width: 0; }
  to { width: var(--w); }
}
.concept__keywords {
  padding-top: 16px;
  border-top: 1px solid rgba(26, 37, 66, .08);
}
.concept__keywords small {
  display: block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.concept__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.concept__chips span {
  font-size: 11px;
  font-weight: 500;
  padding: 5px 10px;
  border: 1px solid rgba(91, 141, 239, .25);
  border-radius: 999px;
  background: rgba(255, 255, 255, .7);
  color: var(--ink);
}
.concept__badge {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 18px 40px -15px rgba(26, 37, 66, .25);
  border: 1px solid rgba(26, 37, 66, .06);
  animation: badgeFloat 5s ease-in-out infinite;
}
.concept__badge--top {
  top: 8%;
  right: 4%;
  transform: rotate(4deg);
  animation-delay: 0s;
}
.concept__badge--bottom {
  bottom: 8%;
  left: 2%;
  transform: rotate(-4deg);
  animation-delay: 1.5s;
}
@keyframes badgeFloat {
  0%, 100% { transform: rotate(var(--r, 0deg)) translateY(0); }
  50% { transform: rotate(var(--r, 0deg)) translateY(-6px); }
}
.concept__badge--top { --r: 4deg; }
.concept__badge--bottom { --r: -4deg; }
.concept__badge svg {
  width: 28px;
  height: 28px;
  padding: 5px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  flex-shrink: 0;
}
.concept__badge-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #4ec3a3;
  box-shadow: 0 0 0 4px rgba(78, 195, 163, .25);
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 4px rgba(78, 195, 163, .25); }
  50% { box-shadow: 0 0 0 8px rgba(78, 195, 163, .12); }
}
.concept__badge strong {
  display: block;
  font-size: 13px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -.005em;
}
.concept__badge small {
  font-size: 10px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .04em;
}
@media (max-width: 800px) {
  .concept__grid { grid-template-columns: 1fr; gap: 40px; }
  .concept__visual { height: 440px; }
  .concept__badge--top { right: 2%; }
  .concept__badge--bottom { left: 2%; }
}

/* ----- For Whom ----- */
.forwhom__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.forwhom__list li {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 36px 28px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.forwhom__list li:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(26, 37, 66, .15);
}
.forwhom__num {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 28px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  margin-bottom: 16px;
  font-weight: 600;
}
.forwhom__list h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 12px;
  line-height: 1.7;
  color: var(--ink);
}
.forwhom__list p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.9;
}
@media (max-width: 800px) {
  .forwhom__list { grid-template-columns: 1fr; }
}

/* ----- How ----- */
.how { background: var(--bg-2); }
.how__steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.how__step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 36px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease;
}
.how__step:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 50px -25px rgba(91, 141, 239, .25);
}
.how__step-num {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 24px;
}
.how__step h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 14px;
  line-height: 1.6;
  color: var(--ink);
}
.how__step p {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.9;
  margin: 0 0 32px;
}
.how__icon {
  margin-top: auto;
  width: 52px;
  height: 52px;
  padding: 12px;
  border-radius: 12px;
  background: var(--gradient);
  color: #fff;
}
.how__icon svg { width: 100%; height: 100%; }
@media (max-width: 800px) {
  .how__steps { grid-template-columns: 1fr; }
}

/* ----- Sample ----- */
.sample__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: start;
}
.sample__paper {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 44px 40px;
  box-shadow: 0 30px 60px -30px rgba(26, 37, 66, .18);
  position: relative;
  overflow: hidden;
}
.sample__paper::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient);
}
.sample__paper-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--sans);
  font-weight: 600;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .14em;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  text-transform: uppercase;
}
.sample__paper h3 {
  font-size: 22px;
  margin: 0 0 18px;
  font-weight: 700;
  color: var(--ink);
}
.sample__paper h4 {
  font-size: 11px;
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: .2em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 28px 0 12px;
  text-transform: uppercase;
}
.sample__paper p {
  font-size: 14px;
  line-height: 2;
  color: var(--ink-2);
  margin: 0;
}
.sample__tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.sample__tags li {
  font-size: 12px;
  font-weight: 500;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-2);
  color: var(--ink);
}
.sample__notes h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 24px;
  color: var(--ink);
}
.sample__list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}
.sample__list li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink);
}
.sample__list li span {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 600;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 16px;
  min-width: 28px;
}
.sample__note {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
  line-height: 1.8;
}
@media (max-width: 800px) {
  .sample__grid { grid-template-columns: 1fr; gap: 40px; }
  .sample__paper { padding: 32px 24px; }
}

/* ----- Pricing ----- */
.price { background: var(--bg-2); }
.price__card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 56px 48px;
  position: relative;
  box-shadow: 0 40px 80px -40px rgba(91, 141, 239, .35);
}
.price__card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: var(--gradient);
  border-radius: 20px 20px 0 0;
}
.price__badge {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  background: var(--gradient);
  color: #fff;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  padding: 10px 22px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 12px 24px -10px rgba(91, 141, 239, .55);
  border: 2px solid #fff;
}
.price__card-head h3 {
  font-family: var(--sans);
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--ink);
}
.price__card-head p {
  margin: 0 0 32px;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.9;
}
.price__amount {
  display: flex;
  align-items: baseline;
  gap: 6px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 32px 0;
  margin-bottom: 32px;
  position: relative;
}
.price__strike {
  position: absolute;
  top: 8px;
  left: 0;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: var(--blue);
  text-decoration-thickness: 1.5px;
}
.price__yen {
  font-family: var(--sans);
  font-size: 32px;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.price__num {
  font-family: var(--sans);
  font-size: 84px;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.price__unit {
  margin-left: auto;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .08em;
}
.price__features {
  list-style: none;
  padding: 0;
  margin: 0;
}
.price__features li {
  position: relative;
  padding: 12px 0 12px 32px;
  font-size: 14px;
  color: var(--ink-2);
  border-bottom: 1px dashed var(--line);
}
.price__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gradient);
  background-size: cover;
}
.price__features li::after {
  content: "✓";
  position: absolute;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  width: 12px;
  text-align: center;
}
.price__small {
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

/* ----- FAQ ----- */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
}
.faq__list details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}
.faq__list summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 40px 24px 0;
  font-size: 16px;
  font-weight: 700;
  position: relative;
  line-height: 1.7;
  color: var(--ink);
}
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-size: 18px;
  font-weight: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s ease;
}
.faq__list details[open] summary::after { content: "−"; transform: translateY(-50%) rotate(180deg); }
.faq__list p {
  margin: 0 0 24px;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 2;
}

/* ----- CTA ----- */
.cta {
  background: var(--ink);
  color: #fff;
  padding: 130px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 50% at 25% 30%, rgba(91, 141, 239, .25), transparent 60%),
    radial-gradient(50% 50% at 80% 70%, rgba(78, 195, 163, .25), transparent 60%);
  pointer-events: none;
}
.cta__inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.cta h2 {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.55;
  margin: 0 0 24px;
  letter-spacing: -.01em;
}
.cta p { margin-bottom: 48px; color: rgba(255, 255, 255, .7); font-size: 16px; }
.cta .btn--primary {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 20px 50px -15px rgba(255, 255, 255, .35);
}
.cta .btn--primary:hover { box-shadow: 0 24px 60px -15px rgba(255, 255, 255, .5); }
.cta__small {
  margin-top: 36px;
  font-size: 12px;
  line-height: 2;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .5);
}

/* ----- Footer ----- */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 60px 28px 40px;
}
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
}
.footer__logo {
  display: block;
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--ink);
  letter-spacing: -.01em;
}
.footer__brand p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}
.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 24px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
}
.footer small {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--muted);
  width: 100%;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  text-align: center;
  margin-top: 24px;
  letter-spacing: .04em;
}

/* ----- Input page ----- */
.nav__back {
  margin-left: auto;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  letter-spacing: .02em;
}
.nav__back:hover { color: var(--ink); opacity: 1; }

.input-page {
  background:
    radial-gradient(60% 50% at 15% 10%, rgba(91, 141, 239, .10), transparent 70%),
    radial-gradient(50% 60% at 90% 90%, rgba(78, 195, 163, .10), transparent 70%),
    var(--bg);
}
.input-hero {
  padding: 80px 28px 40px;
  text-align: center;
}
.input-hero__inner {
  max-width: 720px;
  margin: 0 auto;
}
.input-hero__eyebrow {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 12px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 18px;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.input-hero__title {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.5;
  letter-spacing: -.01em;
  margin: 0 0 24px;
  color: var(--ink);
}
.input-hero__lead {
  font-size: 15px;
  color: var(--ink-2);
  line-height: 2;
  margin: 0;
}

.input-form-section {
  padding: 20px 28px 120px;
}
.input-form {
  max-width: 760px;
  margin: 0 auto;
}

.input-hint {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 22px;
  margin-bottom: 28px;
  background: rgba(255, 255, 255, .7);
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
  border: 1px solid var(--line);
  border-radius: 14px;
  position: relative;
  overflow: hidden;
}
.input-hint::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient);
}
.input-hint__icon {
  font-size: 20px;
  line-height: 1;
  margin-top: 2px;
  flex-shrink: 0;
}
.input-hint strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
  letter-spacing: -.005em;
}
.input-hint p {
  margin: 0;
  font-size: 13px;
  line-height: 1.9;
  color: var(--ink-2);
}

.input-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.input-row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 52px 16px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.input-row:focus-within {
  border-color: transparent;
  box-shadow:
    0 0 0 1.5px transparent,
    0 12px 30px -15px rgba(91, 141, 239, .35);
  background:
    linear-gradient(var(--paper), var(--paper)) padding-box,
    var(--gradient) border-box;
  border: 1.5px solid transparent;
}
.input-row__num {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 600;
  font-size: 22px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  min-width: 28px;
  text-align: center;
  flex-shrink: 0;
}
.input-row__fields {
  flex: 1;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 12px;
  min-width: 0;
}
.input-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.input-field > span {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.input-field input {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  padding: 6px 0;
  border: none;
  background: transparent;
  color: var(--ink);
  outline: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
  min-width: 0;
  width: 100%;
}
.input-field input::placeholder {
  color: var(--muted);
  font-weight: 400;
}
.input-row__remove {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all .2s ease;
  padding: 0;
  z-index: 1;
}
.input-row__remove svg { width: 14px; height: 14px; }
.input-row__remove:hover:not(:disabled) {
  background: rgba(185, 66, 31, .08);
  border-color: rgba(185, 66, 31, .4);
  color: #b9421f;
}
.input-row__remove:disabled {
  opacity: .35;
  cursor: not-allowed;
}

.input-add {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 22px;
  margin-bottom: 40px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  border: 1.5px dashed var(--line);
  border-radius: 14px;
  cursor: pointer;
  transition: all .2s ease;
}
.input-add:hover:not(:disabled) {
  border-color: transparent;
  background:
    linear-gradient(var(--bg), var(--bg)) padding-box,
    var(--gradient) border-box;
  border: 1.5px solid transparent;
}
.input-add:hover:not(:disabled) span {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.input-add:disabled {
  opacity: .4;
  cursor: not-allowed;
}
.input-add small {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 14px;
  color: var(--muted);
  font-weight: 600;
}

.input-submit {
  margin-top: 8px;
}
.input-submit .btn.is-loading {
  pointer-events: none;
  opacity: .9;
}
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, .35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .8s linear infinite;
  vertical-align: -2px;
  margin-right: 6px;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.input-submit .btn--block { margin-top: 0; }
.input-submit__note {
  margin: 24px 0 0;
  font-size: 12px;
  line-height: 2;
  color: var(--muted);
  text-align: center;
  letter-spacing: .02em;
}

@media (max-width: 640px) {
  .input-hero { padding: 56px 22px 32px; }
  .input-row {
    padding: 14px 50px 14px 16px;
    gap: 12px;
    flex-wrap: wrap;
  }
  .input-row__fields {
    grid-template-columns: 1fr;
    gap: 8px;
    order: 2;
    flex: 1 1 100%;
  }
  .input-row__num { font-size: 18px; min-width: 24px; }
  .input-add { padding: 14px 18px; font-size: 13px; }
}

/* ----- Report page ----- */
.report-page {
  background:
    radial-gradient(60% 50% at 15% 5%, rgba(91, 141, 239, .12), transparent 70%),
    radial-gradient(50% 60% at 90% 95%, rgba(78, 195, 163, .12), transparent 70%),
    var(--bg);
}

/* Hero */
.report-hero {
  padding: 80px 28px 60px;
  text-align: center;
}
.report-hero__inner {
  max-width: 760px;
  margin: 0 auto;
}
.report-hero__status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(78, 195, 163, .10);
  border: 1px solid rgba(78, 195, 163, .35);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: #2f9474;
  margin-bottom: 28px;
  text-transform: uppercase;
}
.report-hero__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ec3a3;
  box-shadow: 0 0 0 4px rgba(78, 195, 163, .25);
  animation: pulseDot 2s ease-in-out infinite;
}
.report-hero__eyebrow {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 12px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 18px;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.report-hero__title {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.5;
  letter-spacing: -.01em;
  margin: 0 0 28px;
  color: var(--ink);
}
.report-hero__lead {
  font-size: 15px;
  color: var(--ink-2);
  line-height: 2;
  margin: 0;
}

/* Summary card */
.report-summary {
  padding: 20px 28px 40px;
}
.report-summary__inner {
  max-width: 720px;
  margin: 0 auto;
}
.report-summary__card {
  position: relative;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 24px;
  padding: 36px 36px 28px;
  box-shadow:
    0 30px 60px -20px rgba(91, 141, 239, .25),
    0 12px 30px -15px rgba(78, 195, 163, .18),
    inset 0 1px 0 rgba(255, 255, 255, .9);
  overflow: hidden;
}
.report-summary__card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: var(--gradient);
}
.report-summary__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.report-summary__head small {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
}
.report-summary__pill {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 600;
  font-size: 13px;
  color: var(--ink-2);
  padding: 4px 12px;
  background: var(--bg-2);
  border-radius: 999px;
}
.report-summary__type {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -.01em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 20px;
  line-height: 1.2;
}
.report-summary__type::after {
  content: "型";
  font-size: .55em;
  margin-left: 4px;
  font-weight: 700;
  -webkit-text-fill-color: initial;
  background: none;
  color: var(--ink-2);
  vertical-align: 0.2em;
}
.report-summary__text {
  font-size: 15px;
  line-height: 2.05;
  color: var(--ink);
  margin: 0 0 24px;
  letter-spacing: .01em;
}
.report-summary__copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: transparent;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: all .2s ease;
}
.report-summary__copy svg { width: 16px; height: 16px; }
.report-summary__copy:hover {
  border-color: transparent;
  background:
    linear-gradient(#fff, #fff) padding-box,
    var(--gradient) border-box;
  border: 1.5px solid transparent;
}
.report-summary__copy:hover span {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Body */
.report-body {
  padding: 40px 28px 60px;
}
.report-body__inner {
  max-width: 720px;
  margin: 0 auto;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 56px 56px 40px;
  box-shadow: 0 30px 60px -30px rgba(26, 37, 66, .12);
  position: relative;
  overflow: hidden;
}
.report-body__inner::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient);
}

.report-section {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.report-section:first-child { padding-top: 8px; }
.report-section:last-child { border-bottom: none; padding-bottom: 8px; }
.report-section__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 18px;
}
.report-section__num {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 600;
  font-size: 28px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  flex-shrink: 0;
  letter-spacing: .02em;
}
.report-section__head h3 {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -.005em;
  color: var(--ink);
  margin: 0;
  line-height: 1.55;
}
.report-section__text p {
  font-size: 15px;
  line-height: 2.05;
  color: var(--ink-2);
  margin: 0 0 16px;
  letter-spacing: .01em;
}
.report-section__text p:last-child { margin-bottom: 0; }

.report-layers {
  list-style: none;
  margin: 20px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.report-layers li {
  position: relative;
  padding: 14px 18px 14px 148px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-2);
  background: var(--bg-2);
  border-radius: 10px;
  border-left: 3px solid transparent;
  background-clip: padding-box;
}
.report-layers li::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--gradient);
  border-radius: 10px 0 0 10px;
}
.report-layers li strong {
  position: absolute;
  left: 18px;
  top: 14px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .04em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  width: 116px;
}
@media (max-width: 720px) {
  .report-layers li {
    padding: 38px 14px 14px;
  }
  .report-layers li strong {
    position: absolute;
    top: 12px;
    left: 14px;
    width: auto;
  }
}

.report-pros {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.report-pros li {
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-2);
  background: var(--bg-2);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.report-pros li strong {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--gradient);
  color: #fff;
  line-height: 1.5;
  white-space: nowrap;
}
.report-pros li.is-con strong {
  background: rgba(185, 66, 31, .08);
  color: #b9421f;
}

/* Loading / Error states for report page */
.report-state {
  max-width: 520px;
  margin: 0 auto;
  padding: 40px 28px 120px;
  text-align: center;
}
.report-state h2 {
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 14px;
  letter-spacing: -.005em;
}
.report-state p {
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink-2);
  margin: 0 0 28px;
}
.spinner--lg {
  width: 44px;
  height: 44px;
  border-width: 3px;
  border-color: rgba(91, 141, 239, .18);
  border-top-color: var(--blue);
  margin: 0 auto 28px;
  display: block;
  vertical-align: baseline;
}

/* Recos */
.report-recos {
  padding: 60px 28px;
  background: var(--bg-2);
}
.report-recos__inner {
  max-width: 760px;
  margin: 0 auto;
}
.report-recos .section__eyebrow,
.report-recos .section__title { text-align: center; }
.report-recos .section__title { margin-bottom: 48px; }
.report-recos__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.report-recos__list li {
  display: flex;
  gap: 20px;
  padding: 24px 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.report-recos__list li:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -20px rgba(91, 141, 239, .25);
}
.report-recos__num {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 600;
  font-size: 24px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  flex-shrink: 0;
  min-width: 36px;
}
.report-recos__list h4 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 4px;
  letter-spacing: -.005em;
  color: var(--ink);
}
.report-recos__list small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: .02em;
}
.report-recos__list p {
  margin: 0;
  font-size: 13px;
  line-height: 1.95;
  color: var(--ink-2);
}

/* Actions */
.report-actions {
  padding: 80px 28px 56px;
  text-align: center;
}
.report-actions__inner {
  max-width: 640px;
  margin: 0 auto;
}
.report-actions__title {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.55;
  letter-spacing: -.01em;
  margin: 0 0 36px;
  color: var(--ink);
}
.report-actions__buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.report-action {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  padding: 16px 24px;
  justify-content: center;
}
.report-action svg { width: 18px; height: 18px; }
.report-actions__again {
  display: inline-block;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.report-actions__again:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
  opacity: 1;
}

/* Feedback */
.report-feedback {
  padding: 0 28px 100px;
  text-align: center;
}
.report-feedback__inner {
  max-width: 640px;
  margin: 0 auto;
}
.report-feedback__title {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.55;
  letter-spacing: -.01em;
  margin: 0 0 20px;
  color: var(--ink);
}
.report-feedback__lead {
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.7;
  margin-bottom: 36px;
}
.report-feedback__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 600;
}
.report-feedback__btn svg { width: 20px; height: 20px; }

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: #fff;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: 999px;
  box-shadow: 0 20px 50px -20px rgba(26, 37, 66, .5);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 100;
  letter-spacing: .02em;
}
.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 720px) {
  .report-hero { padding: 56px 22px 40px; }
  .report-summary { padding: 12px 22px 28px; }
  .report-summary__card { padding: 28px 24px 22px; border-radius: 18px; }
  .report-body { padding: 24px 22px 40px; }
  .report-body__inner { padding: 36px 24px 24px; border-radius: 14px; }
  .report-recos { padding: 44px 22px; }
  .report-recos__list li { padding: 20px 22px; flex-direction: column; gap: 6px; }
  .report-actions { padding: 56px 22px 40px; }
  .report-actions__buttons { flex-direction: column; }
  .report-action { max-width: none; width: 100%; }
}

/* ----- Reveal ----- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .9s ease, transform .9s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ===================================================
   Responsive refinements
   =================================================== */
html, body {
  overflow-x: clip;
}

/* ---- Tablet (1024px) ---- */
@media (max-width: 1024px) {
  .section { padding: 100px 24px; }
  .section__title { margin-bottom: 48px; }
  .hero { padding: 80px 24px 100px; }
  .cta { padding: 100px 24px; }
  .concept__grid { gap: 56px; }
  .sample__grid { gap: 40px; }
}

/* ---- Mobile (768px) ---- */
@media (max-width: 768px) {
  /* Nav */
  .nav__inner { padding: 8px 16px; gap: 12px; }
  .nav__logo-mark { width: 36px; height: 36px; }
  .nav__logo-text { font-size: 18px; }
  .nav__cta { padding: 9px 14px; font-size: 12px; }
  .nav__back { font-size: 12px; }

  /* Hero */
  .hero { padding: 56px 20px 80px; }
  .hero__eyebrow { font-size: 13px; margin-bottom: 16px; }
  .hero__title { line-height: 1.4; margin-bottom: 24px; }
  .hero__lead { font-size: 14px; margin-bottom: 32px; line-height: 1.9; }
  .hero__lead br { display: none; }
  .hero__actions { flex-direction: column; gap: 10px; margin-bottom: 56px; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__meta { gap: 20px 28px; }
  .hero__meta > div { min-width: 0; padding-top: 12px; flex: 1 1 30%; }
  .hero__meta strong { font-size: 28px; }
  .hero__meta strong span { font-size: 12px; }
  .hero__meta small { font-size: 10px; letter-spacing: .04em; }
  .hero__line { display: none; }

  /* Section base */
  .section { padding: 72px 20px; }
  .section__title { margin-bottom: 36px; }
  .section__eyebrow { font-size: 11px; margin-bottom: 12px; }

  /* Concept */
  .concept__grid { gap: 32px; }
  .concept__text p { margin-bottom: 18px; font-size: 14px; line-height: 1.95; }
  .concept__visual { height: 420px; }
  .concept__card { width: min(94%, 320px); padding: 20px 18px; }
  .concept__badge { padding: 8px 12px; }
  .concept__badge strong { font-size: 12px; }
  .concept__badge small { font-size: 9px; }

  /* For Whom */
  .forwhom__list { gap: 14px; }
  .forwhom__list li { padding: 28px 22px; }
  .forwhom__num { font-size: 24px; margin-bottom: 12px; }
  .forwhom__list h3 { font-size: 16px; }
  .forwhom__list p { font-size: 13px; line-height: 1.85; }

  /* How */
  .how__steps { gap: 14px; }
  .how__step { padding: 28px 24px; }
  .how__step h3 { font-size: 18px; }
  .how__step p { font-size: 13px; margin-bottom: 24px; line-height: 1.85; }
  .how__icon { width: 44px; height: 44px; padding: 10px; }

  /* Sample */
  .sample__paper { padding: 28px 22px; }
  .sample__paper h3 { font-size: 19px; }
  .sample__notes h3 { font-size: 19px; margin-bottom: 18px; }
  .sample__list li { padding: 14px 0; font-size: 13px; gap: 12px; }
  .sample__list li span { font-size: 14px; }

  /* Pricing */
  .price__card { padding: 44px 24px 36px; }
  .price__badge { font-size: 11px; padding: 8px 16px; letter-spacing: .08em; }
  .price__card-head h3 { font-size: 20px; }
  .price__card-head p { font-size: 13px; margin-bottom: 24px; line-height: 1.85; }
  .price__amount { padding: 26px 0; margin-bottom: 24px; }
  .price__strike { font-size: 14px; top: 6px; }
  .price__num { font-size: 64px; }
  .price__yen { font-size: 26px; }
  .price__unit { font-size: 11px; }
  .price__features li { font-size: 13px; padding: 10px 0 10px 28px; }
  .price__features li::before { width: 18px; height: 18px; }
  .price__small { font-size: 11px; }

  /* FAQ */
  .faq__list summary { padding: 20px 40px 20px 0; font-size: 15px; line-height: 1.65; }
  .faq__list summary::after { width: 28px; height: 28px; font-size: 16px; }
  .faq__list p { font-size: 13px; margin-bottom: 20px; line-height: 1.9; }

  /* CTA */
  .cta { padding: 80px 20px; }
  .cta h2 { line-height: 1.5; margin-bottom: 18px; }
  .cta p { margin-bottom: 36px; font-size: 14px; }
  .cta__small { margin-top: 36px; font-size: 11px; }
  .cta .btn--lg { padding: 16px 24px; font-size: 14px; }

  /* Footer */
  .footer { padding: 48px 20px 32px; }
  .footer__inner { gap: 24px; }
  .footer__links { gap: 14px 20px; flex-wrap: wrap; }
  .footer__logo { font-size: 18px; }
  .footer__brand p { font-size: 12px; }

  /* Buttons */
  .btn { padding: 14px 22px; font-size: 13px; }
  .btn--lg { padding: 16px 28px; font-size: 14px; }

  /* Input page */
  .input-hero { padding: 56px 20px 28px; }
  .input-hero__lead { font-size: 13px; line-height: 1.9; }
  .input-hero__lead br { display: none; }
  .input-form-section { padding: 16px 20px 80px; }
  .input-hint { padding: 16px 18px; gap: 12px; margin-bottom: 24px; }
  .input-hint strong { font-size: 13px; }
  .input-hint p { font-size: 12px; line-height: 1.8; }
  .input-hint__icon { font-size: 18px; }
  .input-row__remove { width: 36px; height: 36px; }
  .input-add { padding: 14px 18px; font-size: 13px; margin-bottom: 32px; }
  .input-add small { font-size: 12px; }
  .input-submit__note { font-size: 11px; line-height: 1.85; }
  .input-submit .btn--block { padding: 18px 20px; font-size: 14px; line-height: 1.4; }

  /* Report page */
  .report-summary__head { flex-wrap: wrap; gap: 8px; }
  .report-summary__type { line-height: 1.25; }
  .report-summary__text { font-size: 14px; line-height: 1.95; }
  .report-section { padding: 26px 0; }
  .report-section__head { gap: 12px; margin-bottom: 14px; align-items: flex-start; }
  .report-section__num { font-size: 22px; }
  .report-section__head h3 { font-size: 17px; line-height: 1.5; }
  .report-section__text p { font-size: 14px; line-height: 1.95; }
  .report-recos__list h4 { font-size: 16px; }
  .report-recos__list p { font-size: 12px; line-height: 1.85; }
  .report-actions__title { margin-bottom: 28px; }
  .report-action { padding: 14px 20px; font-size: 13px; }
  .report-feedback { padding: 0 20px 72px; }
  .report-feedback__title { font-size: 26px; line-height: 1.5; margin-bottom: 16px; }
  .report-feedback__lead { font-size: 14px; margin-bottom: 28px; }
  .report-feedback__btn { padding: 14px 28px; font-size: 14px; }
}

/* ---- Small phone (480px) ---- */
@media (max-width: 480px) {
  .nav__inner { padding: 8px 14px; gap: 8px; }
  .nav__logo { gap: 8px; }
  .nav__logo-mark { width: 32px; height: 32px; }
  .nav__logo-text { font-size: 16px; }
  .nav__cta { padding: 8px 12px; font-size: 11px; }

  .hero { padding: 44px 18px 64px; }
  .hero__title { line-height: 1.38; margin-bottom: 20px; }
  .hero__lead { margin-bottom: 28px; }
  .hero__meta { gap: 16px 24px; }
  .hero__meta strong { font-size: 24px; }

  .section { padding: 56px 18px; }
  .section__title { margin-bottom: 28px; }

  .concept__visual { height: 380px; }
  .concept__card { width: min(96%, 290px); padding: 18px 16px; }
  .concept__badge--top { right: 0; }
  .concept__badge--bottom { left: 0; }

  .price__card { padding: 36px 20px 28px; }
  .price__num { font-size: 56px; }
  .price__yen { font-size: 22px; }
  .price__amount { padding: 22px 0; }
  .price__features li { padding: 9px 0 9px 26px; font-size: 12px; }

  .cta { padding: 64px 18px; }
  .cta h2 { line-height: 1.45; }

  .footer { padding: 40px 18px 28px; }
  .footer__inner { flex-direction: column; align-items: flex-start; }

  .input-hero { padding: 40px 18px 20px; }
  .input-form-section { padding: 12px 18px 64px; }
  .input-hint { padding: 14px 16px; }
  .input-row { padding: 12px 48px 12px 14px; }
  .input-submit .btn--block { font-size: 13px; padding: 16px 18px; }

  .report-hero { padding: 44px 18px 28px; }
  .report-summary { padding: 8px 18px 24px; }
  .report-summary__card { padding: 24px 20px 20px; border-radius: 16px; }
  .report-body { padding: 20px 18px 32px; }
  .report-body__inner { padding: 28px 20px 20px; }
  .report-recos { padding: 36px 18px; }
  .report-actions { padding: 44px 18px 32px; }
}

/* ===================================================
   Mobile-first design polish (highest priority)
   =================================================== */

/* iOS safe area: avoid clipping under home indicator */
body {
  padding-bottom: env(safe-area-inset-bottom);
}

/* iOS Safari: prevent zoom-on-focus by ensuring 16px+ on inputs */
.input-field input {
  font-size: 16px;
}

@media (max-width: 768px) {
  /* Baseline mobile typography */
  body {
    font-size: 15px;
    line-height: 1.85;
  }

  /* Nav: keep CTA pinned to the right on mobile */
  .nav__cta {
    margin-left: auto;
  }
  .nav__back {
    margin-left: auto;
  }

  /* --- Hero: cleaner, more impactful --- */
  .hero { padding: 56px 20px 64px; }
  .hero__eyebrow {
    font-size: 12px;
    letter-spacing: .03em;
    margin-bottom: 14px;
  }
  .hero__title {
    line-height: 1.32;
    margin-bottom: 22px;
    letter-spacing: -.005em;
  }
  .hero__title span { display: inline; }
  .hero__lead {
    font-size: 14px;
    line-height: 1.95;
    margin-bottom: 32px;
  }
  .hero__actions { gap: 12px; margin-bottom: 44px; }
  .hero__actions .btn {
    width: 100%;
    min-height: 54px;
    justify-content: center;
    font-size: 14px;
  }
  .hero__actions .btn--primary {
    box-shadow:
      0 14px 32px -10px rgba(91, 141, 239, .55),
      0 6px 14px -4px rgba(78, 195, 163, .3);
  }

  /* --- Hero meta: card-style stat strip --- */
  .hero__meta {
    background: rgba(255, 255, 255, .55);
    backdrop-filter: blur(12px) saturate(160%);
    -webkit-backdrop-filter: blur(12px) saturate(160%);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px 8px;
    gap: 0;
    box-shadow: 0 12px 30px -16px rgba(91, 141, 239, .18);
  }
  .hero__meta > div {
    flex: 1 1 0;
    border-top: none;
    border-right: 1px solid var(--line);
    padding: 2px 6px;
    min-width: 0;
  }
  .hero__meta > div:last-child { border-right: none; }
  .hero__meta strong { font-size: 22px; }
  .hero__meta strong span { font-size: 11px; }
  .hero__meta small { font-size: 9px; margin-top: 4px; }

  /* --- Sections: tighten and ease scrolling --- */
  .section { padding: 64px 20px; }
  .section__title { margin-bottom: 32px; line-height: 1.45; }

  /* --- Concept: stack neatly --- */
  .concept__visual { height: 380px; margin-top: 4px; }

  /* --- For Whom: feel like cards --- */
  .forwhom__list li {
    border-radius: 18px;
    background: linear-gradient(180deg, var(--paper) 0%, var(--bg-2) 100%);
    border-color: rgba(91, 141, 239, .14);
    box-shadow: 0 14px 30px -22px rgba(91, 141, 239, .25);
  }
  .forwhom__list h3 { font-size: 16px; line-height: 1.65; }
  .forwhom__list p { font-size: 14px; line-height: 1.95; }

  /* --- How steps --- */
  .how__step { border-radius: 18px; }
  .how__step h3 { font-size: 18px; line-height: 1.55; }
  .how__step p { font-size: 14px; line-height: 1.95; }
  .how__icon { width: 48px; height: 48px; padding: 11px; border-radius: 14px; }

  /* --- Sample paper --- */
  .sample__paper { border-radius: 18px; padding: 28px 22px 24px; }
  .sample__paper p { font-size: 14px; line-height: 2; }
  .sample__list li { padding: 16px 0; font-size: 14px; }

  /* --- Pricing: feel premium with strong 0円 emphasis --- */
  .price__card {
    padding: 44px 22px 32px;
    border-radius: 22px;
    box-shadow:
      0 30px 60px -28px rgba(91, 141, 239, .35),
      0 12px 28px -16px rgba(78, 195, 163, .2);
  }
  .price__badge {
    font-size: 11px;
    padding: 9px 18px;
    letter-spacing: .08em;
  }
  .price__card-head h3 { font-size: 22px; }
  .price__card-head p { font-size: 14px; line-height: 1.95; margin-bottom: 24px; }
  .price__amount {
    flex-wrap: wrap;
    gap: 0 4px;
    padding: 26px 0;
  }
  .price__strike {
    position: static;
    width: 100%;
    text-align: left;
    font-size: 14px;
    margin-bottom: 4px;
  }
  .price__yen { font-size: 28px; }
  .price__num { font-size: 76px; }
  .price__unit { font-size: 11px; }
  .price__features li { font-size: 14px; padding: 11px 0 11px 30px; }

  /* --- FAQ: bigger tap target --- */
  .faq__list summary {
    padding: 22px 44px 22px 0;
    font-size: 16px;
    line-height: 1.6;
  }
  .faq__list summary::after {
    width: 30px;
    height: 30px;
    font-size: 17px;
  }
  .faq__list p { font-size: 14px; line-height: 1.95; margin-bottom: 22px; }

  /* --- CTA: dramatic, generous spacing --- */
  .cta { padding: 80px 20px; }
  .cta h2 { line-height: 1.5; }
  .cta p { font-size: 14px; }
  .cta .btn--lg {
    padding: 18px 28px;
    font-size: 15px;
    min-height: 58px;
  }

  /* --- Footer: centered on mobile feels cleaner --- */
  .footer { padding: 48px 20px 36px; }
  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
  }
  .footer__brand p { font-size: 13px; }
  .footer__links { justify-content: center; }
  .footer small { margin-top: 8px; }

  /* --- Input page: form is the focus --- */
  .input-hero { padding: 48px 20px 24px; }
  .input-hero__title { font-size: 26px; line-height: 1.45; }
  .input-hero__lead { font-size: 14px; line-height: 1.95; }
  .input-hero__lead br { display: none; }
  .input-form-section { padding: 12px 18px 96px; }
  .input-hint {
    border-radius: 14px;
    padding: 16px 18px;
  }
  .input-hint strong { font-size: 14px; }
  .input-hint p { font-size: 13px; line-height: 1.85; }
  .input-list { gap: 10px; }
  .input-row { padding: 14px 50px 14px 16px; border-radius: 14px; }
  .input-field > span { font-size: 9px; letter-spacing: .12em; }
  .input-field input { padding: 8px 0; }
  .input-row__remove { width: 36px; height: 36px; }
  .input-add { padding: 16px 18px; border-radius: 14px; font-size: 14px; }
  .input-submit .btn--block {
    min-height: 58px;
    padding: 18px 22px;
    font-size: 15px;
    box-shadow: 0 18px 36px -12px rgba(91, 141, 239, .55);
  }
  .input-submit__note { font-size: 11px; line-height: 1.95; }

  /* --- Report hero: focused intro --- */
  .report-hero { padding: 44px 20px 24px; }
  .report-hero__status {
    font-size: 10px;
    padding: 7px 14px;
    margin-bottom: 22px;
  }
  .report-hero__title { line-height: 1.4; }
  .report-hero__lead { font-size: 14px; line-height: 1.95; }
  .report-hero__lead br { display: none; }

  /* --- Report SUMMARY card: the hero of the result --- */
  .report-summary { padding: 4px 18px 28px; }
  .report-summary__card {
    padding: 32px 24px 26px;
    border-radius: 22px;
    box-shadow:
      0 28px 56px -18px rgba(91, 141, 239, .35),
      0 14px 30px -14px rgba(78, 195, 163, .25);
  }
  .report-summary__head { margin-bottom: 14px; }
  .report-summary__head small { font-size: 10px; }
  .report-summary__pill { font-size: 12px; padding: 4px 10px; }
  .report-summary__type {
    font-size: 32px;
    line-height: 1.25;
    margin-bottom: 18px;
    letter-spacing: -.01em;
  }
  .report-summary__type::after { font-size: .55em; vertical-align: 0.15em; }
  .report-summary__text {
    font-size: 15px;
    line-height: 2;
  }
  .report-summary__copy {
    width: 100%;
    justify-content: center;
    padding: 13px 18px;
    margin-top: 4px;
    font-size: 13px;
  }

  /* --- Report body: comfortable reading --- */
  .report-body { padding: 24px 18px 36px; }
  .report-body__inner {
    padding: 32px 22px 24px;
    border-radius: 18px;
  }
  .report-section { padding: 26px 0; }
  .report-section__head { gap: 12px; align-items: flex-start; margin-bottom: 14px; }
  .report-section__num { font-size: 24px; }
  .report-section__head h3 {
    font-size: 17px;
    line-height: 1.6;
    font-weight: 700;
  }
  .report-section__text p {
    font-size: 15px;
    line-height: 2;
    margin-bottom: 14px;
  }

  /* Pros/cons: card-like */
  .report-pros li {
    padding: 14px 16px;
    border-radius: 12px;
  }
  .report-pros li strong { font-size: 11px; padding: 5px 11px; }

  /* --- Recos: more visible book cards --- */
  .report-recos { padding: 44px 20px; }
  .report-recos .section__title { margin-bottom: 32px; }
  .report-recos__list { gap: 14px; }
  .report-recos__list li {
    padding: 22px 22px;
    border-radius: 16px;
    flex-direction: column;
    gap: 8px;
    box-shadow: 0 14px 30px -22px rgba(91, 141, 239, .25);
  }
  .report-recos__num {
    font-size: 20px;
    min-width: auto;
  }
  .report-recos__list h4 { font-size: 17px; line-height: 1.55; margin-bottom: 4px; }
  .report-recos__list small { font-size: 12px; margin-bottom: 10px; }
  .report-recos__list p { font-size: 14px; line-height: 1.95; }

  /* --- Action buttons --- */
  .report-actions { padding: 56px 20px 40px; }
  .report-actions__title { font-size: 22px; line-height: 1.5; margin-bottom: 28px; }
  .report-actions__buttons { gap: 10px; }
  .report-action {
    width: 100%;
    max-width: none;
    min-height: 56px;
    padding: 16px 22px;
    font-size: 14px;
  }
  .report-actions__again { font-size: 13px; padding: 6px 0; }

  /* --- Feedback section --- */
  .report-feedback { padding: 0 20px 80px; }
  .report-feedback__title { font-size: 22px; line-height: 1.5; margin-bottom: 18px; }
  .report-feedback__lead { font-size: 14px; margin-bottom: 28px; }
  .report-feedback__btn {
    width: 100%;
    padding: 16px 22px;
    font-size: 14px;
  }

  /* --- Toast --- */
  .toast {
    bottom: calc(20px + env(safe-area-inset-bottom));
    font-size: 13px;
    padding: 12px 22px;
  }
}

/* ---- Small phones (480px) — extra refinements ---- */
@media (max-width: 480px) {
  .hero { padding: 44px 18px 56px; }
  .hero__title { font-size: 30px; line-height: 1.32; }
  .hero__meta { padding: 16px 6px; }
  .hero__meta strong { font-size: 20px; }
  .hero__meta strong span { font-size: 10px; }
  .hero__meta small { font-size: 9px; }

  .section { padding: 56px 18px; }
  .section__title { margin-bottom: 28px; font-size: 22px; }

  .price__card { padding: 40px 20px 30px; }
  .price__num { font-size: 64px; }
  .price__yen { font-size: 24px; }

  .input-hero__title { font-size: 24px; }
  .input-row { padding: 12px 48px 12px 14px; }

  .report-summary__card { padding: 28px 20px 22px; }
  .report-summary__type { font-size: 28px; }
  .report-summary__text { font-size: 14px; }
  .report-body__inner { padding: 28px 20px 22px; }
  .report-section__head h3 { font-size: 16px; }
  .report-section__text p { font-size: 14px; line-height: 1.95; }
  .report-recos__list li { padding: 20px 18px; }
  .report-recos__list h4 { font-size: 16px; }
  .report-recos__list p { font-size: 13px; }
  .report-actions__title { font-size: 20px; }
}