:root {
  --ink: #1b1e1c;
  --sub: #656d66;
  --faint: #8a9089;
  --ivory: #faf7f0;
  --paper: #fffdf7;
  --muted-bg: #f4f0e6;
  --line: #e6dfd0;
  --green: #124e41;
  --green-deep: #0e332b;
  --green-night: #0a2620;
  --gold: #c39a52;
  --gold-soft: #e5cf9f;
  --copper: #96603a;
  --white: #ffffff;
  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Zen Kaku Gothic New", -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Noto Sans JP", Meiryo, sans-serif;
  --shadow-soft: 0 10px 34px rgba(20, 30, 27, 0.07);
  --shadow-deep: 0 32px 90px rgba(14, 51, 43, 0.24);
  --radius: 12px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

::selection {
  color: var(--white);
  background: var(--green);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--ivory);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(20px, 4.5vw, 64px);
  background: rgba(250, 247, 240, 0.82);
  border-bottom: 1px solid rgba(230, 223, 208, 0.7);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--gold-soft);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.12), transparent 45%),
    var(--green-deep);
  border-radius: 10px;
  box-shadow:
    inset 0 0 0 1px rgba(229, 207, 159, 0.28),
    0 12px 28px rgba(14, 51, 43, 0.25);
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.2;
}

.brand strong {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.03em;
}

.brand small {
  margin-top: 3px;
  color: var(--sub);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 34px);
  color: #4a524c;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.header-nav a {
  position: relative;
  padding: 4px 2px;
  transition: color 220ms var(--ease);
}

.header-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--gold);
  transition: right 320ms var(--ease);
}

.header-nav a:hover {
  color: var(--green);
}

.header-nav a:hover::after {
  right: 0;
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(420px, 1.06fr);
  gap: clamp(36px, 5vw, 80px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(52px, 6.5vw, 88px) clamp(24px, 5vw, 80px) clamp(44px, 5.5vw, 72px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto auto;
  width: 46%;
  height: 100%;
  background:
    radial-gradient(120% 90% at 85% 8%, rgba(195, 154, 82, 0.22), transparent 52%),
    linear-gradient(168deg, #14453a, var(--green-deep) 55%, var(--green-night));
  clip-path: polygon(16% 0, 100% 0, 100% 100%, 0 100%);
  z-index: -1;
}

/* 縫い目（ステッチ）のライン */
.hero::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 auto;
  right: 44.2%;
  width: 0;
  height: 100%;
  border-left: 2px dashed rgba(229, 207, 159, 0.4);
  transform: skewX(-9deg);
  transform-origin: top;
  z-index: -1;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--copper);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), rgba(195, 154, 82, 0.2));
  flex: none;
}

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

h1 {
  max-width: 640px;
  margin-bottom: 22px;
  font-family: var(--serif);
  font-size: clamp(30px, 3.6vw, 47px);
  font-weight: 700;
  line-height: 1.34;
  letter-spacing: 0.015em;
  font-feature-settings: "palt";
}

h2 {
  margin-bottom: 16px;
  font-family: var(--serif);
  font-size: clamp(22px, 2.3vw, 33px);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: 0.02em;
  font-feature-settings: "palt";
}

.lead {
  max-width: 610px;
  margin-bottom: 28px;
  color: var(--sub);
  font-size: clamp(14px, 1.05vw, 15.5px);
  line-height: 2.05;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 22px;
}

.button,
.form-actions button,
.form-actions a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 12px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 260ms var(--ease), box-shadow 260ms var(--ease),
    background 260ms var(--ease), color 260ms var(--ease), border-color 260ms var(--ease);
}

.button.primary,
.form-actions button {
  color: #f6efdd;
  background: linear-gradient(135deg, #17594a, var(--green-deep));
  box-shadow:
    inset 0 0 0 1px rgba(229, 207, 159, 0.24),
    0 18px 38px rgba(14, 51, 43, 0.32);
}

.button.primary::after,
.form-actions button::after {
  content: "→";
  font-family: var(--sans);
  transition: transform 260ms var(--ease);
}

.button.primary:hover::after,
.form-actions button:hover::after {
  transform: translateX(4px);
}

.button.secondary,
.form-actions a {
  color: var(--green-deep);
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(14, 51, 43, 0.28);
}

.button.secondary:hover,
.form-actions a:hover {
  border-color: var(--gold);
  background: var(--white);
}

.button:hover,
.form-actions button:hover,
.form-actions a:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 44px rgba(20, 30, 27, 0.18);
}

.button:active,
.form-actions button:active {
  transform: translateY(0);
}

.note {
  position: relative;
  max-width: 610px;
  margin-bottom: 0;
  padding: 14px 18px 14px 20px;
  color: #4f574f;
  background: rgba(255, 253, 247, 0.85);
  border: 1px solid rgba(195, 154, 82, 0.28);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  font-size: 13px;
  line-height: 1.9;
}

/* ---------- hero visual ---------- */

.hero-visual {
  position: relative;
  min-height: 560px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 72px 22px 44px 48px;
  background:
    repeating-linear-gradient(45deg, rgba(229, 207, 159, 0.08) 0 1px, transparent 1px 12px);
  border: 1px dashed rgba(229, 207, 159, 0.3);
  border-radius: var(--radius);
  transform: rotate(-3deg);
}

.atelier-photo {
  position: absolute;
  inset: 20px 0 auto 46px;
  height: 350px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(229, 207, 159, 0.34);
  border-radius: var(--radius);
  box-shadow: var(--shadow-deep);
}

.atelier-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 38, 32, 0.55), transparent 50%),
    linear-gradient(180deg, transparent 55%, rgba(10, 38, 32, 0.5));
}

.atelier-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
}

.device {
  position: absolute;
  left: 0;
  top: 190px;
  width: min(350px, 58%);
  min-height: 300px;
  padding: 12px;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.09), transparent 36%),
    #141b18;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 24px;
  box-shadow:
    var(--shadow-deep),
    0 0 0 8px rgba(255, 255, 255, 0.05);
  animation: floaty 7s ease-in-out infinite;
}

.device-bar {
  width: 56px;
  height: 5px;
  margin: 0 auto 12px;
  background: rgba(255, 255, 255, 0.24);
  border-radius: 999px;
}

.camera-ui {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 256px;
  overflow: hidden;
  background:
    linear-gradient(rgba(10, 16, 14, 0.25), rgba(10, 16, 14, 0.08)),
    repeating-linear-gradient(90deg, #55655f 0 18px, #495a53 18px 36px),
    repeating-linear-gradient(0deg, transparent 0 12px, rgba(255, 255, 255, 0.05) 12px 13px);
  border-radius: 18px;
}

.paper-slip {
  width: min(74%, 260px);
  padding: 18px;
  color: #2e322f;
  background: var(--paper);
  border: 1px solid #e9e0ca;
  border-radius: 6px;
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.32);
  transform: rotate(-3deg);
}

.paper-slip span {
  display: block;
  color: var(--gold);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.3em;
}

.paper-slip strong {
  display: block;
  margin: 8px 0 14px;
  font-family: var(--serif);
  font-size: 19px;
}

.paper-slip p {
  margin-bottom: 6px;
  padding-bottom: 6px;
  font-size: 12px;
  border-bottom: 1px solid #ede4cf;
}

.scan-line {
  position: absolute;
  left: 10%;
  right: 10%;
  top: 22%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #93ecd9 18%, #93ecd9 82%, transparent);
  box-shadow: 0 0 30px 4px rgba(147, 236, 217, 0.65);
  animation: scan 3.4s ease-in-out infinite;
}

@keyframes scan {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.7;
  }
  50% {
    transform: translateY(150px);
    opacity: 1;
  }
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.floating-panel {
  position: absolute;
  width: min(286px, 48vw);
  padding: 16px;
  background: rgba(255, 253, 247, 0.94);
  border: 1px solid rgba(230, 223, 208, 0.95);
  border-radius: var(--radius);
  box-shadow: 0 26px 70px rgba(14, 51, 43, 0.22);
  backdrop-filter: blur(16px);
}

.confirm-panel {
  right: 0;
  top: 72px;
  animation: floaty 8s ease-in-out 0.8s infinite;
}

.ledger-panel {
  right: 28px;
  bottom: 24px;
  animation: floaty 9s ease-in-out 1.6s infinite;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  color: var(--sub);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.panel-head b {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 10px;
  color: var(--green);
  background: rgba(18, 78, 65, 0.08);
  border: 1px solid rgba(18, 78, 65, 0.16);
  border-radius: 999px;
  font-size: 11px;
}

.panel-head b::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
}

dl,
dd {
  margin: 0;
}

.confirm-panel dl div {
  display: grid;
  grid-template-columns: 66px 1fr;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px dashed var(--line);
  font-size: 13px;
}

dt {
  color: var(--sub);
}

dd {
  font-weight: 700;
}

.ledger-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  padding: 8px 10px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
}

.ledger-row.header {
  color: var(--faint);
  border-top: none;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.ledger-row.active {
  background: linear-gradient(90deg, rgba(18, 78, 65, 0.1), rgba(195, 154, 82, 0.08));
  border-radius: 6px;
  font-weight: 700;
}

/* ---------- sections ---------- */

.section {
  padding: clamp(64px, 8vw, 108px) clamp(24px, 5vw, 80px);
}

.muted {
  background:
    radial-gradient(80% 60% at 50% 0%, rgba(255, 255, 255, 0.7), transparent 70%),
    var(--muted-bg);
  border-top: 1px solid rgba(230, 223, 208, 0.6);
  border-bottom: 1px solid rgba(230, 223, 208, 0.6);
}

.section-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 36px;
}

.section-heading h2 {
  color: #14201c;
}

.section-heading.narrow {
  max-width: 720px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading.narrow .eyebrow {
  justify-content: center;
}

.section-heading.narrow .eyebrow::after {
  content: "";
  width: 30px;
  height: 1px;
  background: linear-gradient(90deg, rgba(195, 154, 82, 0.2), var(--gold));
  flex: none;
}

.section-heading p:not(.eyebrow) {
  color: var(--sub);
  font-size: 14px;
  line-height: 2;
}

/* ---------- cards（共通） ---------- */

.problem-grid article,
.feature-list div,
.implementation-steps article,
.assurance-list article,
.profile-card,
.contact-form {
  background: rgba(255, 253, 247, 0.9);
  border: 1px solid rgba(230, 223, 208, 0.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.problem-grid article,
.feature-list div,
.implementation-steps article,
.assurance-list article {
  transition: transform 320ms var(--ease), box-shadow 320ms var(--ease),
    border-color 320ms var(--ease);
}

.problem-grid article:hover,
.feature-list div:hover,
.implementation-steps article:hover,
.assurance-list article:hover {
  transform: translateY(-4px);
  border-color: rgba(195, 154, 82, 0.5);
  box-shadow: 0 22px 52px rgba(20, 30, 27, 0.12);
}

/* ---------- problems ---------- */

.problem-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  gap: 14px;
}

.problem-grid article {
  position: relative;
  min-height: 150px;
  padding: 20px 18px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.85;
  overflow: hidden;
}

.problem-grid article::before {
  content: "";
  display: block;
  width: 34px;
  height: 2px;
  margin-bottom: 14px;
  background: linear-gradient(90deg, var(--gold), rgba(195, 154, 82, 0.25));
  border-radius: 999px;
}

/* ---------- flow ---------- */

.flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(130px, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: flow;
}

.flow li {
  position: relative;
  min-height: 110px;
  padding: 18px 14px;
  background: rgba(255, 253, 247, 0.92);
  border: 1px solid rgba(230, 223, 208, 0.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform 320ms var(--ease), border-color 320ms var(--ease);
}

.flow li:hover {
  transform: translateY(-4px);
  border-color: rgba(195, 154, 82, 0.5);
}

.flow li:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 50%;
  width: 12px;
  height: 12px;
  border-top: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
  transform: translateY(-50%) rotate(45deg);
  background: var(--ivory);
  z-index: 1;
}

.flow span {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-bottom: 14px;
  color: var(--gold-soft);
  background: linear-gradient(150deg, #17594a, var(--green-deep));
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgba(229, 207, 159, 0.3);
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 700;
}

.flow strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
}

.demo-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.demo-frame {
  position: relative;
  min-height: 226px;
  padding: 16px;
  background:
    radial-gradient(90% 80% at 94% 8%, rgba(195, 154, 82, 0.28), transparent 54%),
    linear-gradient(145deg, #213329 0%, #102821 54%, #081d18 100%);
  border: 1px solid rgba(229, 207, 159, 0.18);
  border-radius: var(--radius);
  box-shadow: 0 22px 52px rgba(14, 51, 43, 0.2);
  overflow: hidden;
  transition: transform 320ms var(--ease), box-shadow 320ms var(--ease);
}

.demo-frame::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(229, 207, 159, 0.11);
  border-radius: 9px;
  pointer-events: none;
}

.demo-frame:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 64px rgba(14, 51, 43, 0.28);
}

.frame-label {
  position: relative;
  z-index: 1;
  display: inline-flex;
  margin-bottom: 12px;
  padding: 4px 12px;
  color: var(--gold-soft);
  border: 1px solid rgba(229, 207, 159, 0.34);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.mini-slip,
.mini-form,
.mini-table {
  position: relative;
  z-index: 1;
  min-height: 146px;
  background: var(--paper);
  border-radius: 6px;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.24);
}

.mini-slip {
  width: min(74%, 250px);
  margin: 13px auto 0;
  padding: 16px;
  color: #29312d;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 253, 247, 0.96)),
    repeating-linear-gradient(#f3ead5 0 1px, transparent 1px 20px);
  transform: rotate(-3.5deg);
}

.mini-slip::before,
.mini-slip::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 8px;
}

.mini-slip::before {
  inset: -10px -14px auto auto;
  width: 72px;
  height: 48px;
  background: rgba(195, 154, 82, 0.2);
}

.mini-slip::after {
  inset: auto auto -14px -16px;
  width: 82px;
  height: 54px;
  background: rgba(18, 78, 65, 0.16);
}

.slip-top,
.mini-toolbar,
.mini-table-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.slip-top {
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #eadfc8;
}

.slip-top span {
  color: var(--gold);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.slip-top b {
  color: var(--green);
  font-size: 10px;
}

.mini-slip strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--serif);
  font-size: 18px;
}

.mini-slip p {
  margin-bottom: 5px;
  color: #586058;
  font-size: 11px;
  line-height: 1.5;
}

.mini-slip em {
  display: inline-flex;
  margin-top: 8px;
  padding: 3px 9px;
  color: var(--green);
  background: rgba(18, 78, 65, 0.08);
  border-radius: 999px;
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
}

.mini-form {
  display: grid;
  gap: 8px;
  padding: 16px;
}

.mini-toolbar {
  margin-bottom: 4px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e8dfcf;
  color: #4c554f;
  font-size: 11px;
  font-weight: 700;
}

.mini-toolbar b {
  padding: 2px 7px;
  color: var(--green);
  background: rgba(18, 78, 65, 0.08);
  border-radius: 999px;
  font-size: 9px;
}

.mini-form label {
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: center;
  gap: 9px;
  margin: 0;
}

.mini-form label span {
  color: #7b847c;
  font-size: 10px;
  font-weight: 700;
}

.mini-form i {
  display: block;
  min-height: 23px;
  padding: 3px 8px;
  color: #26312c;
  background: linear-gradient(90deg, #edf2eb, #f8f6ef);
  border: 1px solid #e2dccd;
  border-radius: 5px;
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
}

.mini-table {
  display: grid;
  gap: 7px;
  padding: 16px;
}

.mini-table-head,
.mini-table div {
  display: grid;
  grid-template-columns: 1fr 0.9fr 0.7fr;
  gap: 8px;
  align-items: center;
}

.mini-table-head {
  padding: 0 8px 8px;
  color: #7b847c;
  border-bottom: 1px solid #e8dfcf;
  font-size: 10px;
  font-weight: 900;
}

.mini-table div:not(.mini-table-head) {
  min-height: 30px;
  padding: 6px 8px;
  color: #29312d;
  background: #f6f5ed;
  border: 1px solid #ebe4d5;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
}

.mini-table div:nth-of-type(2) {
  background: linear-gradient(90deg, rgba(18, 78, 65, 0.12), rgba(195, 154, 82, 0.1));
  border-color: rgba(18, 78, 65, 0.18);
}

/* ---------- split layout ---------- */

.split {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}

.sticky-heading {
  position: sticky;
  top: 112px;
  margin-bottom: 0;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.feature-list div {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 62px;
  padding: 16px 18px 16px 44px;
  font-size: 13px;
  font-weight: 500;
}

.feature-list div::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 50%;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 0 5px rgba(195, 154, 82, 0.14);
}

/* ---------- implementation ---------- */

.implementation-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  gap: 14px;
}

.implementation-steps article {
  position: relative;
  min-height: 128px;
  padding: 20px 18px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.7;
  overflow: hidden;
}

.implementation-steps article::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--gold));
  opacity: 0.85;
}

.implementation-steps span {
  display: block;
  margin-bottom: 16px;
  color: var(--copper);
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

/* ---------- pricing ---------- */

.pricing-band {
  position: relative;
  color: var(--white);
  background:
    radial-gradient(90% 120% at 8% 0%, rgba(195, 154, 82, 0.2), transparent 48%),
    linear-gradient(150deg, var(--green-deep), #123c33 58%, #241f16);
  overflow: hidden;
}

.pricing-band::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px dashed rgba(229, 207, 159, 0.24);
  border-radius: var(--radius);
  pointer-events: none;
}

.pricing {
  display: grid;
  grid-template-columns: minmax(250px, 0.8fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.pricing .eyebrow {
  color: var(--gold-soft);
}

.pricing-copy {
  color: #d9e6df;
}

.pricing h2,
.pricing p {
  margin-bottom: 0;
}

.pricing h2 {
  color: #f6efdd;
}

.pricing-copy {
  display: grid;
  gap: 10px;
  font-size: 15px;
  line-height: 2;
}

/* ---------- assurance ---------- */

.assurance-list {
  display: grid;
  gap: 12px;
}

.assurance-list article {
  position: relative;
  display: grid;
  gap: 5px;
  padding: 18px 20px 18px 26px;
  font-size: 13px;
}

.assurance-list article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), rgba(195, 154, 82, 0.3));
  border-radius: 999px;
}

.assurance-list strong {
  font-size: 14px;
}

.assurance-list span {
  color: var(--sub);
  line-height: 1.9;
}

/* ---------- profile ---------- */

.profile {
  max-width: 820px;
}

.profile-card {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 26px;
  align-items: center;
  padding: clamp(26px, 3.4vw, 40px);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(195, 154, 82, 0.12), transparent 50%),
    rgba(255, 253, 247, 0.92);
}

.avatar {
  display: grid;
  place-items: center;
  width: 76px;
  height: 76px;
  color: var(--gold-soft);
  background: linear-gradient(150deg, #17594a, var(--green-deep));
  border-radius: 50%;
  box-shadow:
    inset 0 0 0 1px rgba(229, 207, 159, 0.32),
    0 18px 38px rgba(14, 51, 43, 0.26);
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 700;
}

.profile h2 {
  margin-bottom: 10px;
}

.profile p:last-child {
  margin-bottom: 0;
  color: var(--sub);
  font-size: 14px;
  line-height: 2;
}

/* ---------- contact ---------- */

.contact-section {
  background:
    radial-gradient(70% 90% at 0% 100%, rgba(18, 78, 65, 0.08), transparent 55%),
    radial-gradient(60% 80% at 100% 0%, rgba(195, 154, 82, 0.08), transparent 55%),
    var(--ivory);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(30px, 5vw, 68px);
  align-items: start;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: clamp(22px, 3vw, 36px);
  background: rgba(255, 253, 247, 0.94);
  box-shadow: 0 28px 74px rgba(20, 30, 27, 0.12);
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form label.full,
.form-actions {
  grid-column: 1 / -1;
}

.contact-form span {
  color: #545c54;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.contact-form textarea {
  resize: vertical;
}

.form-honey {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(18, 78, 65, 0.12);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 6px;
}

/* ---------- footer ---------- */

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 4.5vw, 64px);
  color: #cfdcd5;
  background: var(--green-night);
  border-top: 1px solid rgba(229, 207, 159, 0.18);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.site-footer a {
  color: var(--gold-soft);
  font-weight: 700;
  transition: color 200ms var(--ease);
}

.site-footer a:hover {
  color: #f6e7c4;
}

/* ---------- thanks ---------- */

.thanks-page {
  min-height: 100vh;
  background:
    radial-gradient(80% 90% at 0% 0%, rgba(195, 154, 82, 0.16), transparent 56%),
    radial-gradient(78% 90% at 100% 100%, rgba(18, 78, 65, 0.14), transparent 58%),
    var(--ivory);
}

.thanks-main {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: clamp(28px, 6vw, 80px);
}

.thanks-card {
  width: min(100%, 720px);
  padding: clamp(28px, 5vw, 56px);
  background: rgba(255, 253, 247, 0.94);
  border: 1px solid rgba(230, 223, 208, 0.95);
  border-radius: var(--radius);
  box-shadow: 0 28px 74px rgba(20, 30, 27, 0.12);
}

.thanks-card .brand {
  margin-bottom: clamp(30px, 5vw, 48px);
}

.thanks-card h1 {
  margin-bottom: 18px;
}

.thanks-card p:not(.eyebrow) {
  max-width: 560px;
  margin-bottom: 28px;
  color: var(--sub);
  font-size: 15px;
  line-height: 2;
}

/* ---------- scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .device,
  .confirm-panel,
  .ledger-panel,
  .scan-line {
    animation: none;
  }
}

/* ---------- responsive ---------- */

@media (max-width: 1080px) {
  .hero::before {
    width: 100%;
    height: 48%;
    top: auto;
    bottom: 0;
    clip-path: polygon(0 18%, 100% 0, 100% 100%, 0 100%);
  }

  .hero::after {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-visual {
    min-height: 560px;
  }

  .atelier-photo {
    inset: 20px 0 auto 0;
    height: 350px;
  }

  .problem-grid,
  .implementation-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .flow li:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    min-height: 0;
    gap: 10px;
    padding-bottom: 14px;
  }

  .header-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    padding-top: 44px;
  }

  .hero::before {
    height: 44%;
  }

  .hero-visual {
    min-height: 720px;
  }

  .hero-visual::before {
    inset: 50px 0 54px 22px;
  }

  .atelier-photo {
    inset: 20px 0 auto 0;
    height: 280px;
  }

  .device {
    inset: 236px auto auto 0;
    width: min(82vw, 330px);
    min-height: 300px;
    padding: 12px;
    border-radius: 22px;
  }

  .camera-ui {
    min-height: 256px;
  }

  .floating-panel {
    width: min(88vw, 300px);
  }

  .confirm-panel {
    right: 0;
    top: 432px;
  }

  .ledger-panel {
    left: 0;
    right: auto;
    bottom: 0;
  }

  .problem-grid,
  .flow,
  .demo-strip,
  .feature-list,
  .implementation-steps,
  .split,
  .pricing,
  .contact-layout,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .problem-grid article {
    min-height: 0;
  }

  .sticky-heading {
    position: static;
  }

  .profile-card {
    grid-template-columns: 1fr;
  }

  .contact-form label.full,
  .form-actions {
    grid-column: auto;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 430px) {
  h1 {
    font-size: 27px;
  }

  h2 {
    font-size: 22px;
  }

  .button,
  .form-actions button,
  .form-actions a {
    width: 100%;
  }

  .paper-slip {
    width: 84%;
    padding: 16px;
  }

  .confirm-panel dl div {
    grid-template-columns: 64px 1fr;
  }
}
