/* ==========================================================================
   06 和紙とインク（Washi & Ink） — style.css
   このファイルは DESIGN.md に記載した数値をそのまま実装する。
   ========================================================================== */

:root {
  /* Color / Primary */
  --color-primary: #274B6D;
  --color-primary-dark: #1B3550;
  --color-primary-light: #4A6E90;

  /* Color / Semantic */
  --color-danger: #B23A2E;
  --color-warning: #B08D57;
  --color-success: #3F6B4A;

  /* Color / Sub Accent（朱・アクセント2。DangerとHexを共有する意匠上の別名） */
  --color-sub: #B23A2E;

  /* Color / Neutral */
  --color-text-primary: #232323;
  --color-text-secondary: #5C5650;
  --color-text-disabled: #A8A196;
  --color-text-on-primary: #F4EFE4;

  --color-border: #DCD3C0;
  --color-background: #F4EFE4;
  --color-surface: #FAF6EC;
  --color-surface-alt: #ECE4D2;

  /* Typography */
  --font-display: 'Yuji Syuku', 'Shippori Mincho', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --font-body: 'Shippori Mincho', 'Hiragino Mincho ProN', 'Yu Mincho', serif;

  --fs-display: 56px;
  --fs-h1: 40px;
  --fs-h2: 28px;
  --fs-h3: 20px;
  --fs-h4: 16px;
  --fs-body: 16px;
  --fs-small: 13px;
  --fs-button: 15px;

  /* Spacing */
  --space-xs: 4px;
  --space-s: 8px;
  --space-m: 16px;
  --space-l: 32px;
  --space-xl: 64px;
  --space-xxl: 128px;

  /* Radius */
  --radius-s: 2px;

  /* Shadow */
  --shadow-1: 0 1px 2px rgba(35, 35, 35, 0.06);
  --shadow-2: 0 4px 12px rgba(35, 35, 35, 0.08);
  --shadow-3: 0 8px 24px rgba(35, 35, 35, 0.12);

  /* Container */
  --container-max: 1120px;
}

/* ==========================================================================
   Reset / Base
   ========================================================================== */

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

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

body {
  margin: 0;
  background-color: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0.02em;
  font-feature-settings: "palt" 1;
  font-kerning: normal;
  line-break: strict;
  word-break: normal;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

button {
  font-family: inherit;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-text-primary);
  text-wrap: balance;
}

p {
  margin: 0 0 1.2em;
  text-wrap: pretty;
}

.num {
  font-variant-numeric: lining-nums;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 600px) {
  .container { padding: 0 32px; }
}

@media (min-width: 960px) {
  .container { padding: 0 48px; }
}

/* ==========================================================================
   墨だまり（ink pool）装飾 — シグネチャー要素
   ========================================================================== */

.ink-pool {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
}

.ink-pool--sub {
  background: radial-gradient(circle, var(--color-sub) 0%, transparent 70%);
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-1);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}

.site-logo img {
  display: block;
  height: 60px;
  width: auto;
  filter: invert(1);
}

.site-nav {
  display: flex;
}

.site-nav ul {
  display: flex;
  gap: var(--space-l);
}

.site-nav a {
  display: inline-block;
  padding: var(--space-xs) 0;
  font-size: 15px;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--color-text-secondary);
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  background: var(--color-surface);
  cursor: pointer;
  position: relative;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  height: 1px;
  background: var(--color-text-primary);
}

.nav-toggle span { top: 19px; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

@media (max-width: 959px) {
  .nav-toggle { display: inline-block; }

  .site-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-2);
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
    padding: var(--space-m) 20px;
  }

  .site-nav li {
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav li:last-child {
    border-bottom: none;
  }

  .site-nav a {
    display: block;
    padding: var(--space-m) 0;
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-button);
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 14px 36px;
  border-radius: var(--radius-s);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .25s ease, box-shadow .25s ease, color .25s ease;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: 0 6px 16px rgba(39, 75, 109, 0.12);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: rgba(39, 75, 109, 0.08);
}

.btn-disabled {
  background-color: var(--color-surface-alt);
  border-color: var(--color-border);
  color: var(--color-text-disabled);
  cursor: not-allowed;
}

/* ==========================================================================
   Sections / Typography helpers
   ========================================================================== */

.section {
  position: relative;
  padding: var(--space-xxl) 0;
  overflow: hidden;
}

@media (max-width: 959px) {
  .section { padding: var(--space-xl) 0; }
}

.section-alt {
  background-color: var(--color-surface-alt);
}

.eyebrow {
  display: inline-block;
  font-size: var(--fs-small);
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-m);
}

.section-title {
  font-size: var(--fs-h2);
  line-height: 1.6;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-l);
  position: relative;
  z-index: 1;
}

.section-lead {
  max-width: 640px;
  color: var(--color-text-secondary);
  font-size: var(--fs-body);
}

.page-hero {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-l);
  border-bottom: 1px solid var(--color-border);
}

.page-hero h1 {
  font-size: var(--fs-h1);
  line-height: 1.5;
  letter-spacing: 0.02em;
  position: relative;
  z-index: 1;
}

.page-hero .section-lead {
  margin-top: var(--space-m);
}

/* ==========================================================================
   Hero (index.html)
   ========================================================================== */

.hero {
  position: relative;
  padding: var(--space-xxl) 0;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 959px) {
  .hero { padding: var(--space-xl) 0; }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-l);
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 64px 1fr;
    gap: var(--space-xl);
  }
}

.hero-vertical {
  display: none;
}

@media (min-width: 960px) {
  .hero-vertical {
    display: flex;
    align-items: center;
    justify-content: center;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-family: var(--font-body);
    font-size: var(--fs-small);
    letter-spacing: 0.3em;
    color: var(--color-text-secondary);
    border-left: 1px solid var(--color-border);
    padding-left: var(--space-m);
    height: 260px;
  }
}

.hero-visual {
  position: absolute;
  top: 50%;
  right: -80px;
  transform: translateY(-50%);
  width: 520px;
  height: auto;
  z-index: 0;
  opacity: 0.55;
  filter: sepia(45%) saturate(70%) brightness(1.05) contrast(0.92);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 60% 50%, #000 55%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 70% at 60% 50%, #000 55%, transparent 100%);
  pointer-events: none;
}

@media (max-width: 959px) {
  .hero-visual {
    position: static;
    transform: none;
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    margin-bottom: var(--space-l);
    opacity: 1;
    filter: saturate(90%);
    -webkit-mask-image: none;
    mask-image: none;
    border-radius: var(--radius-s);
    box-shadow: var(--shadow-1);
  }
}

.hero-eyebrow {
  font-size: var(--fs-small);
  letter-spacing: 0.14em;
  color: var(--color-primary);
  margin-bottom: var(--space-m);
}

.hero-headline {
  font-size: var(--fs-display);
  line-height: 1.45;
  letter-spacing: 0.02em;
  font-feature-settings: "palt" 1, "liga" 1;
}

@media (max-width: 599px) {
  .hero-headline { font-size: 36px; }
}

.hero-sub {
  margin-top: var(--space-l);
  max-width: 560px;
  color: var(--color-text-secondary);
  font-size: 17px;
}

.hero-facts {
  margin-top: var(--space-l);
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
  max-width: 620px;
}

.hero-fact {
  padding: var(--space-m) var(--space-l);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  font-size: 15px;
  color: var(--color-text-primary);
}

.hero-fact strong {
  color: var(--color-primary);
  font-weight: 700;
}

.hero-cta {
  margin-top: var(--space-l);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px; /* Mobile gutter（DESIGN.md §5 Grid） */
}

@media (min-width: 600px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px; /* Tablet gutter（DESIGN.md §5 Grid） */
  }
}

@media (min-width: 960px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px; /* Desktop gutter（DESIGN.md §5 Grid） */
  }
}

.card {
  position: relative;
  overflow: hidden;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  padding: var(--space-l);
  box-shadow: var(--shadow-1);
  transition: box-shadow .25s ease, transform .25s ease;
}

.card:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}

.card h3 {
  font-family: var(--font-body);
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-s);
  position: relative;
  z-index: 1;
}

.card-price {
  display: inline-block;
  margin: var(--space-s) 0 var(--space-m);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  font-variant-numeric: lining-nums;
  position: relative;
  z-index: 1;
}

.card p {
  position: relative;
  z-index: 1;
  color: var(--color-text-secondary);
  font-size: 15px;
  margin-bottom: 0;
}

.card-tag {
  display: inline-block;
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-s);
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Forms (estimate / login)
   ========================================================================== */

.form-panel {
  position: relative;
  z-index: 1;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  padding: var(--space-l);
  box-shadow: var(--shadow-1);
  max-width: 560px;
}

.form-row {
  margin-bottom: var(--space-l);
}

.form-row label {
  display: block;
  font-size: var(--fs-h4);
  font-weight: 600;
  margin-bottom: var(--space-s);
}

.form-row input {
  width: 100%;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text-primary);
}

.form-row input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(39, 75, 109, 0.12);
}

.form-hint {
  margin-top: var(--space-xs);
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}

.estimate-result {
  margin-top: var(--space-l);
  border-top: 1px dashed var(--color-border);
  padding-top: var(--space-l);
}

.estimate-line {
  display: flex;
  justify-content: space-between;
  padding: var(--space-s) 0;
  font-size: 15px;
  color: var(--color-text-secondary);
}

.estimate-line span:last-child {
  font-variant-numeric: lining-nums;
}

.estimate-total {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-s);
  padding-top: var(--space-m);
  border-top: 1px solid var(--color-border);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
}

.estimate-total span:last-child {
  font-variant-numeric: lining-nums;
}

/* ==========================================================================
   Tables
   ========================================================================== */

.table-wrap {
  overflow-x: auto;
  max-width: 100%;
  min-width: 0;
  -webkit-overflow-scrolling: touch;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  position: relative;
  z-index: 1;
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  text-align: left;
  font-size: 15px;
}

.data-table th {
  background-color: var(--color-surface-alt);
  font-weight: 700;
}

.data-table td.num,
.data-table th.num {
  text-align: right;
  font-variant-numeric: lining-nums;
}

/* ==========================================================================
   Two-choice layout (design.html)
   ========================================================================== */

.choice-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-l);
}

@media (min-width: 960px) {
  .choice-grid { grid-template-columns: repeat(2, 1fr); }
}

.choice-card {
  position: relative;
  overflow: hidden;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  padding: var(--space-xl) var(--space-l);
  box-shadow: var(--shadow-1);
}

.choice-card h2 {
  font-size: 26px;
  line-height: 1.5;
  margin-bottom: var(--space-m);
  position: relative;
  z-index: 1;
}

.choice-card p {
  position: relative;
  z-index: 1;
  color: var(--color-text-secondary);
}

.choice-list {
  position: relative;
  z-index: 1;
  margin: var(--space-m) 0 var(--space-l);
}

.choice-list li {
  padding-left: 1.2em;
  position: relative;
  margin-bottom: var(--space-s);
  color: var(--color-text-secondary);
}

.choice-list li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.choice-price {
  position: relative;
  z-index: 1;
  display: inline-block;
  margin-bottom: var(--space-l);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
}

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq-item {
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-l) 0;
}

.faq-item:first-child {
  padding-top: 0;
}

.faq-q {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: var(--space-s);
  padding-left: 2.2em;
  position: relative;
}

.faq-q::before {
  content: "Q";
  position: absolute;
  left: 0;
  top: -2px;
  width: 1.6em;
  height: 1.6em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border-radius: 50%;
  font-size: 14px;
}

.faq-a {
  padding-left: 2.2em;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* ==========================================================================
   Status badges (mypage.html)
   ========================================================================== */

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: var(--fs-small);
  letter-spacing: 0.04em;
}

.badge-success {
  background: rgba(63, 107, 74, 0.14);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(176, 141, 87, 0.18);
  color: var(--color-warning);
}

.badge-progress {
  background: rgba(39, 75, 109, 0.12);
  color: var(--color-primary);
}

.order-list {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
}

.order-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-m);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  padding: var(--space-m) var(--space-l);
  box-shadow: var(--shadow-1);
}

.order-item .order-no {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 2px;
}

.order-item .order-name {
  font-weight: 700;
}

.order-item .order-amount {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  font-variant-numeric: lining-nums;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface-alt);
  padding: var(--space-xl) 0 var(--space-l);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-l);
  margin-bottom: var(--space-l);
}

@media (min-width: 600px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 22px;
  margin-bottom: var(--space-s);
}

.footer-grid h4 {
  font-family: var(--font-body);
  font-size: var(--fs-h4);
  margin-bottom: var(--space-s);
}

.footer-grid p,
.footer-grid address {
  color: var(--color-text-secondary);
  font-size: 14px;
  font-style: normal;
  line-height: 1.8;
}

.footer-nav a {
  display: block;
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: 14px;
  padding: 4px 0;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-m);
  font-size: 12px;
  color: var(--color-text-disabled);
  text-align: center;
}

/* ==========================================================================
   Utility
   ========================================================================== */

.flow-steps {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-l);
  counter-reset: step;
}

@media (min-width: 960px) {
  .flow-steps { grid-template-columns: repeat(3, 1fr); }
}

.flow-step {
  position: relative;
  padding-left: var(--space-xl);
}

.flow-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: -4px;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 50%;
}

.flow-step h3 {
  font-size: 18px;
  margin-bottom: var(--space-xs);
}

.flow-step p {
  color: var(--color-text-secondary);
  font-size: 15px;
  margin-bottom: 0;
}

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

/* ==========================================================================
   Simulator full-screen page (simulator.html)
   ========================================================================== */

.simulator-page-header {
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.simulator-page-header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-m) 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 600px) { .simulator-page-header-inner { padding: var(--space-m) 32px; } }
@media (min-width: 960px) { .simulator-page-header-inner { padding: var(--space-m) 48px; } }

.simulator-page-back {
  font-size: 15px;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color .2s ease;
}

.simulator-page-back:hover {
  color: var(--color-primary);
}

.simulator-page-main {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-m);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

@media (min-width: 600px) { .simulator-page-main { padding: var(--space-xl) 32px; } }

@media (min-width: 960px) {
  .simulator-page-main {
    padding: var(--space-xl) 48px;
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-m);
  }
}

.simulator-page-canvas-col {
  flex: 1 1 auto;
  min-width: 0;
}

.simulator-page-controls-col {
  flex: 0 0 auto;
  width: 100%;
}

@media (min-width: 960px) {
  .simulator-page-controls-col {
    width: 260px;
  }
}

.simulator-canvas-wrap {
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  padding: var(--space-xs);
  display: flex;
  justify-content: center;
}

@media (min-width: 600px) {
  .simulator-canvas-wrap {
    padding: var(--space-s);
  }
}

.simulator-canvas {
  width: 100%;
  max-width: 560px;
  height: auto;
  aspect-ratio: 1 / 1;
  touch-action: none;
  cursor: grab;
}

.simulator-side-tabs {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-s);
}

.side-tab {
  padding: var(--space-xs) var(--space-m);
  background-color: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  font-size: var(--fs-button);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}

.side-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.side-tab.is-active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-on-primary);
}

.simulator-align-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-m);
  margin-top: var(--space-s);
}

.align-group {
  display: flex;
  gap: var(--space-xs);
}

.align-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  background-color: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}

.align-btn:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: rgba(39, 75, 109, 0.08);
}

.align-btn:disabled {
  background-color: var(--color-surface-alt);
  border-color: var(--color-border);
  color: var(--color-text-disabled);
  cursor: not-allowed;
}

.simulator-page-title {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-s);
}

.simulator-page-lead {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-l);
}

.simulator-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
  align-items: flex-start;
}

.simulator-swatches {
  display: flex;
  gap: var(--space-s);
}

.swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background-color: var(--swatch-color);
  cursor: pointer;
  padding: 0;
  transition: box-shadow .2s ease;
}

.swatch.is-active {
  box-shadow: 0 0 0 3px rgba(39, 75, 109, 0.12);
  border-color: var(--color-primary);
}

.simulator-upload {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--space-s) var(--space-m);
  background-color: transparent;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-s);
  font-size: var(--fs-button);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  cursor: pointer;
  text-align: center;
  transition: background-color .2s ease, border-color .2s ease;
}

.simulator-upload:hover,
.simulator-upload.is-dragover {
  background-color: rgba(39, 75, 109, 0.08);
  border-color: var(--color-primary);
}

.simulator-controls .simulator-error {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--color-danger);
}