:root {
  /* === Ary: Dark Red / Dark Brown / Black === */
  --bg: #050203;
  --bg-alt: #0d0506;
  --card: #140809;

  /* Accent: deep rose / warm brown */
  --accent: #f43f5e; /* rose-500 */
  --accent-soft: rgba(244, 63, 94, 0.18);

  --text-main: #f3f4f6;
  --text-muted: #b6b1b1;

  --danger: #fb7185; /* rose-400 */
  --radius-lg: 18px;
  --shadow-soft: 0 18px 40px rgba(0,0,0,0.55);
}

* {
  box-sizing: border-box;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;

  /* ★ 最奥背景を黒寄りに（Aryの赤茶トーンに合わせる） */
  background: #050203;
  background-color: #050203;

  color: var(--text-main);
  display: flex;
  justify-content: center;
  padding: 24px 16px 40px;
}

.app-shell {
  width: 100%;
  max-width: 560px;
}

.card {
  background: linear-gradient(135deg, #050203, #050203 35%, #16090a);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(244, 63, 94, 0.16);
  padding: 18px 18px 22px;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: -120px;
  opacity: 0.18;
  background:
    radial-gradient(circle at 0 0, rgba(244, 63, 94, 0.38), transparent 55%),
    radial-gradient(circle at 100% 0, rgba(180, 83, 9, 0.34), transparent 55%);
  pointer-events: none;
}

.card-inner {
  position: relative;
  z-index: 1;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-logo {
  height: 36px;              /* 高さ基準 */
  min-width: 54px;           /* 横長 */
  padding: 4px 8px;
  border-radius: 8px;        /* 角丸長方形 */
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.95);
}

/* 画像の縦横比を尊重 */
.brand-logo img {
  max-height: 100%;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.brand-text-main {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.6px;
}

.brand-text-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.lang-select-wrap {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(24, 10, 10, 0.8);
  border-radius: 999px;
  padding: 3px 4px 3px 8px;
  border: 1px solid rgba(244, 63, 94, 0.32);
  max-width: 50%; 
  /*justify-content: space-between;*/
}

.lang-select-wrap span {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
}

select {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 10px;
  padding: 2px 2px;
  outline: none;
  cursor: pointer;
  max-width: min-content; 
}

main {
  margin-top: 8px;
}

h1 {
  font-size: 18px;
  margin: 0;
  margin-bottom: 4px;
}

.ary-image-01,
.ary-image-02,
.ary-image-03 {
  margin: 8px 0 10px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(244, 63, 94, 0.18);
  background: #050203;
}

.ary-image-01 img,
.ary-image-02 img,
.ary-image-03 img {
  display: block;
  width: 100%;
  height: auto;
}

.subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
  line-height: 1.45;
}

.notice {
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 4px 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
}

.notice--mb10 {
  margin-bottom: 10px;
}

.notice-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(244, 63, 94, 0.85);
}

form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.section-label {
  font-size: 12px;
  letter-spacing: 1.4px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.question {
  background: radial-gradient(circle at top left, rgba(24, 10, 10, 0.82), #050203);
  border-radius: var(--radius-lg);
  padding: 12px 12px 10px;
  border: 1px solid rgba(244, 63, 94, 0.22);
}

.question-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.question-title {
  font-size: 13px;
  font-weight: 600;
}

.badge {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(24, 10, 10, 0.92);
  border: 1px solid rgba(244, 63, 94, 0.28);
  color: var(--text-muted);
  white-space: nowrap;
}

.helper {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.45;
}

.helper--mt8 {
  margin-top: 8px;
}

.field {
  position: relative;
  margin-top: 4px;
}

input[type="text"] {
  width: 100%;
  padding: 8px 11px;
  border-radius: 999px;
  border: 1px solid rgba(244, 63, 94, 0.30);
  background: rgba(24, 10, 10, 0.90);
  color: var(--text-main);
  font-size: 13px;
}

input[type="text"]::placeholder {
  color: #9a8f8f;
}

.options {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 2px;
}

.option-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 999px;
  background: rgba(24, 10, 10, 0.78);
  border: 1px solid transparent;
  font-size: 12px;
  color: var(--text-main);
}

.option-label input {
  accent-color: var(--accent);
}

.option-label:hover {
  border-color: rgba(244, 63, 94, 0.70);
  background: rgba(24, 10, 10, 0.92);
}

.option-code {
  font-size: 11px;
  color: var(--accent);
  min-width: 20px;
}

.submit-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

button[type="submit"] {
  border: none;
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 600;
  background: radial-gradient(circle at top left, #f43f5e, #7c2d12);
  color: #16090a;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 12px 30px rgba(244, 63, 94, 0.35);
}

button[type="submit"]:active {
  transform: translateY(1px);
  box-shadow: 0 6px 14px rgba(244, 63, 94, 0.28);
}

button[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.error {
  color: var(--danger);
  font-size: 11px;
  margin-top: 2px;
}

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

.success-box {
  margin-top: 14px;
  padding: 10px 11px;
  border-radius: 14px;
  border: 1px solid rgba(34, 197, 94, 0.5);
  background: radial-gradient(circle at top left, rgba(22, 163, 74, 0.35), #022c22);
  font-size: 11px;
  color: #bbf7d0;
}

footer {
  margin-top: 10px;
  text-align: center;
  font-size: 10px;
  color: var(--text-muted);
}

.link-card {
  margin: 10px 0 16px;
  padding: 12px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(244, 63, 94, 0.22);
  background: radial-gradient(circle at top left, rgba(24, 10, 10, 0.82), #050203);
}

.link-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(244, 63, 94, 0.20);
  background: rgba(5, 2, 3, 0.65);
  color: var(--text-main);
  text-decoration: none;
  font-size: 12px;
  cursor: pointer;
}

.link-btn:hover {
  border-color: rgba(244, 63, 94, 0.70);
  background: rgba(5, 2, 3, 0.82);
}

@media (min-width: 640px) {
  .card {
    padding: 20px 22px 24px;
  }
}