:root {
  color-scheme: light;
  --paper: #f3efe6;
  --paper-light: #fbf8f1;
  --paper-deep: #e6dfd2;
  --ink: #191917;
  --ink-soft: #57564f;
  --indigo: #162b43;
  --indigo-soft: #dfe5e8;
  --vermillion: #c4432f;
  --vermillion-dark: #9f3020;
  --line: rgba(22, 43, 67, 0.22);
  --line-strong: rgba(22, 43, 67, 0.6);
  --serif: "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", Georgia, serif;
  --sans: "Avenir Next", Avenir, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
}

* { box-sizing: border-box; }

html {
  min-width: 320px;
  background: var(--paper);
}

body {
  position: relative;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(90deg, transparent calc(100% - 1px), rgba(22, 43, 67, .045) 0) 0 0 / 88px 100%,
    linear-gradient(rgba(22, 43, 67, .035) 1px, transparent 1px) 0 0 / 100% 88px,
    var(--paper);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 11% 8%, rgba(255, 255, 255, .9), transparent 28rem),
    linear-gradient(105deg, transparent 0 64%, rgba(22, 43, 67, .025) 64% 100%);
  content: "";
}

button,
input { font: inherit; }

button,
label { -webkit-tap-highlight-color: transparent; }

[hidden] { display: none !important; }

.app-shell {
  position: relative;
  width: min(calc(100% - 48px), 1120px);
  margin: 0 auto;
  padding: 32px 0 72px 92px;
}

.visual-rail {
  position: absolute;
  top: 32px;
  bottom: 72px;
  left: 0;
  display: flex;
  width: 56px;
  align-items: center;
  flex-direction: column;
  gap: 18px;
  padding: 18px 0;
  color: var(--paper-light);
  background: var(--indigo);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .28em;
}

.visual-rail::after {
  width: 1px;
  flex: 1;
  background: rgba(251, 248, 241, .35);
  content: "";
}

.visual-rail span:first-child {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0;
  writing-mode: vertical-rl;
}

.visual-rail span:last-child { writing-mode: vertical-rl; }

.chopstick-motif {
  position: absolute;
  z-index: 0;
  top: 10px;
  right: 16px;
  width: 118px;
  height: 172px;
  opacity: .58;
  pointer-events: none;
}

.chopstick-motif span {
  position: absolute;
  top: -30px;
  display: block;
  width: 3px;
  height: 210px;
  transform: rotate(19deg);
  transform-origin: center;
  background: linear-gradient(var(--indigo) 0 82%, var(--vermillion) 82% 100%);
}

.chopstick-motif span:first-child { left: 36px; }
.chopstick-motif span:last-child { left: 67px; }

.brand-header {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 50px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-right: 132px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .14em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--paper-light);
  background: var(--vermillion);
  box-shadow: inset 0 0 0 2px var(--vermillion), inset 0 0 0 3px rgba(251, 248, 241, .55);
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
}

.header-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
}

.brand-context {
  color: var(--indigo);
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: .04em;
}

.language-switcher {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--indigo);
  background: var(--paper-light);
}

.language-option {
  min-width: 52px;
  min-height: 44px;
  padding: 8px 11px;
  border: 0;
  color: var(--indigo);
  background: transparent;
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
}

.language-option + .language-option { border-left: 1px solid var(--indigo); }

.language-option[aria-pressed="true"] {
  color: var(--paper-light);
  background: var(--vermillion);
}

.language-option:focus-visible,
.button:focus-visible,
.text-button:focus-visible,
.brand:focus-visible {
  outline: 3px solid rgba(196, 67, 47, .36);
  outline-offset: 3px;
}

.kicker-line {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0 12px;
  color: var(--indigo);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .2em;
}

.kicker-line::after {
  height: 1px;
  flex: 1;
  background: var(--line-strong);
  content: "";
}

.kicker-line span:first-child {
  color: var(--vermillion);
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 0;
}

.panel {
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding: clamp(34px, 5vw, 68px);
  border: 1px solid var(--indigo);
  background: rgba(251, 248, 241, .96);
  box-shadow: 12px 12px 0 rgba(22, 43, 67, .09);
}

.panel::before,
.panel::after {
  position: absolute;
  pointer-events: none;
  content: "";
}

.panel::before {
  top: 0;
  left: clamp(34px, 5vw, 68px);
  width: 62px;
  height: 5px;
  background: var(--vermillion);
}

.panel::after {
  right: -110px;
  bottom: -110px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(22, 43, 67, .08);
  transform: rotate(45deg);
}

.panel-upload {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(310px, .82fr);
  grid-template-areas:
    "eyebrow guide"
    "title guide"
    "lead guide"
    ". action"
    ". privacy";
  column-gap: clamp(42px, 7vw, 92px);
  align-items: start;
}

.panel-upload > .eyebrow { grid-area: eyebrow; }
.panel-upload > h1 { grid-area: title; }
.panel-upload > .lead { grid-area: lead; }
.panel-upload > .photo-guide { grid-area: guide; }
.panel-upload > .button { grid-area: action; }
.panel-upload > .privacy-note { grid-area: privacy; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--indigo);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .17em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--vermillion);
  content: "";
}

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

h1 {
  max-width: 680px;
  margin-bottom: 24px;
  font-family: var(--serif);
  font-size: clamp(46px, 6.1vw, 76px);
  font-weight: 600;
  letter-spacing: -.045em;
  line-height: 1.08;
}

.lead {
  max-width: 580px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.75;
}

.photo-guide {
  margin: 8px 0 34px;
  border-top: 1px solid var(--indigo);
}

.guide-item {
  display: grid;
  min-height: 68px;
  grid-template-columns: 42px 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.guide-item span {
  color: var(--vermillion);
  font-family: var(--serif);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.guide-item p {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 14px 20px;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .02em;
  text-decoration: none;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}

.button:hover { transform: translate(-2px, -2px); }
.button:active { transform: translate(0, 0); }

.button-primary {
  width: 100%;
  color: var(--paper-light);
  background: var(--vermillion);
  box-shadow: 5px 5px 0 var(--indigo);
}

.button-primary:hover { background: var(--vermillion-dark); }

.button-secondary {
  color: var(--indigo);
  border-color: var(--indigo);
  background: transparent;
}

.button-secondary:hover {
  color: var(--paper-light);
  background: var(--indigo);
}

.privacy-note {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  margin-top: 24px;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.55;
}

.privacy-note svg {
  width: 20px;
  fill: none;
  stroke: var(--vermillion);
  stroke-width: 1.6;
}

.privacy-note p { margin: 0; }
.privacy-note strong { color: var(--ink); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.panel-analyzing,
.panel-error { min-height: 610px; }

.scan-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--indigo);
  background: var(--paper-deep);
  box-shadow: 8px 8px 0 rgba(22, 43, 67, .09);
}

.scan-frame::before,
.scan-frame::after {
  position: absolute;
  z-index: 2;
  width: 34px;
  height: 34px;
  border-color: var(--vermillion);
  content: "";
}

.scan-frame::before {
  top: 12px;
  left: 12px;
  border-top: 2px solid;
  border-left: 2px solid;
}

.scan-frame::after {
  right: 12px;
  bottom: 12px;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.scan-frame canvas,
#result-canvas {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.scan-line {
  position: absolute;
  top: 8%;
  right: 2%;
  left: 2%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--vermillion) 18% 82%, transparent);
  box-shadow: 0 0 14px rgba(196, 67, 47, .65);
  animation: scan 2.3s ease-in-out infinite;
}

@keyframes scan {
  0%, 100% { top: 8%; opacity: .45; }
  50% { top: 90%; opacity: 1; }
}

.analysis-readout {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
  color: var(--indigo);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .03em;
}

.analysis-readout p { margin: 0; }

.pulse {
  width: 11px;
  height: 11px;
  border: 2px solid var(--vermillion);
  transform: rotate(45deg);
  animation: pulse 1.25s ease-in-out infinite;
}

@keyframes pulse { 50% { transform: rotate(45deg) scale(.5); opacity: .35; } }

.quiet {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
}

.result-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--indigo);
}

.result-heading h1 {
  margin: 0;
  color: var(--vermillion);
  font-size: clamp(84px, 15vw, 150px);
  font-variant-numeric: tabular-nums;
  line-height: .78;
}

.result-heading h1 small {
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .05em;
}

.grade-block {
  display: grid;
  gap: 9px;
  padding: 16px 0 3px 26px;
  border-left: 1px solid var(--line);
  text-align: right;
}

.grade-block > span {
  color: var(--indigo);
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 700;
}

.grade-block small {
  color: var(--ink-soft);
  font-size: 10px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

#result-canvas {
  height: auto;
  margin: 34px 0 26px;
  border: 1px solid var(--indigo);
  background: var(--paper-deep);
  box-shadow: 8px 8px 0 rgba(22, 43, 67, .09);
}

.verdict {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 34px;
  padding: 8px 0 30px;
  border-bottom: 1px solid var(--indigo);
}

.summary {
  margin: 0;
  color: var(--indigo);
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 700;
  line-height: 1.45;
}

.advice {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.score-breakdown { padding: 28px 0 32px; }

.score-breakdown h2 {
  margin-bottom: 22px;
  color: var(--indigo);
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
}

.score-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px 34px;
}

.score-item {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.score-item-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 12px;
}

.score-item-header strong { font-weight: 750; }
.score-item-header span { color: var(--ink-soft); font-variant-numeric: tabular-nums; }

.meter {
  overflow: hidden;
  height: 3px;
  background: var(--paper-deep);
}

.meter span {
  display: block;
  height: 100%;
  background: var(--vermillion);
}

.share-actions {
  padding-top: 30px;
  border-top: 1px solid var(--indigo);
}

.share-hint {
  margin: 13px 0 18px;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.5;
  text-align: center;
}

.secondary-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.text-button {
  display: block;
  min-height: 44px;
  margin: 24px auto 0;
  padding: 8px 12px;
  border: 0;
  color: var(--vermillion);
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.disclaimer {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.7;
}

.error-stamp {
  display: inline-grid;
  min-width: 110px;
  min-height: 50px;
  place-items: center;
  margin-bottom: 28px;
  padding: 9px 12px;
  border: 2px solid var(--vermillion);
  color: var(--vermillion);
  font-family: var(--serif);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .13em;
  text-align: center;
  transform: rotate(-2deg);
}

@media (max-width: 860px) {
  .app-shell {
    width: min(calc(100% - 32px), 720px);
    padding: 22px 0 48px 54px;
  }

  .visual-rail {
    top: 22px;
    bottom: 48px;
    width: 34px;
  }

  .visual-rail span:first-child { font-size: 19px; }
  .visual-rail span:last-child { display: none; }

  .panel-upload {
    display: block;
  }

  .panel-upload > .lead { margin-bottom: 32px; }
  .panel-upload > .photo-guide { margin-top: 0; }
}

@media (max-width: 600px) {
  body {
    background:
      linear-gradient(90deg, transparent calc(100% - 1px), rgba(22, 43, 67, .04) 0) 0 0 / 64px 100%,
      var(--paper);
  }

  .app-shell {
    width: 100%;
    padding: 14px 12px 34px;
  }

  .visual-rail {
    position: relative;
    top: auto;
    bottom: auto;
    left: auto;
    width: 100%;
    height: 5px;
    padding: 0;
    background: linear-gradient(90deg, var(--indigo) 0 76%, var(--vermillion) 76% 100%);
  }

  .visual-rail span,
  .visual-rail::after { display: none; }

  .chopstick-motif {
    top: 0;
    right: 2px;
    width: 78px;
    height: 118px;
    opacity: .38;
  }

  .chopstick-motif span { height: 150px; }
  .chopstick-motif span:first-child { left: 30px; }
  .chopstick-motif span:last-child { left: 47px; }

  .brand-header {
    min-height: 70px;
    gap: 10px;
    padding-right: 58px;
  }

  .brand { gap: 8px; font-size: 12px; letter-spacing: .08em; }
  .brand-mark { width: 34px; height: 34px; font-size: 16px; }
  .brand-context { display: none; }
  .header-tools { gap: 6px; }
  .language-option { min-width: 44px; min-height: 44px; padding-inline: 8px; }

  .kicker-line { margin: 8px 0 10px; font-size: 8px; letter-spacing: .12em; }

  .panel {
    padding: 34px 22px 30px;
    box-shadow: 6px 6px 0 rgba(22, 43, 67, .09);
  }

  .panel::before { left: 22px; width: 48px; height: 4px; }

  h1 { font-size: clamp(39px, 12.5vw, 56px); line-height: 1.11; }
  .lead { font-size: 15px; line-height: 1.7; }
  .panel-upload > .lead { margin-bottom: 28px; }
  .photo-guide { margin-bottom: 28px; }
  .guide-item { min-height: 62px; grid-template-columns: 36px 1fr; }
  .button { min-height: 52px; padding-inline: 14px; }
  .privacy-note { margin-top: 22px; }
  .panel-analyzing, .panel-error { min-height: 520px; }

  .result-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
  }

  .result-heading h1 { font-size: clamp(84px, 28vw, 118px); }
  .grade-block { padding: 0; border-left: 0; text-align: left; }
  #result-canvas { margin-top: 28px; box-shadow: 5px 5px 0 rgba(22, 43, 67, .09); }
  .verdict { grid-template-columns: 1fr; gap: 12px; }
  .score-items { grid-template-columns: 1fr; gap: 18px; }
  .secondary-actions { grid-template-columns: 1fr; }
}

@media (max-width: 370px) {
  .app-shell { padding-inline: 8px; }
  .brand-header { padding-right: 46px; }
  .brand > span:last-child { max-width: 68px; line-height: 1.1; }
  .language-option { min-width: 42px; padding-inline: 6px; }
  .panel { padding-inline: 18px; }
  .panel::before { left: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}