:root {
  --lemon: #f2c230;
  --lemon-soft: #fbe9b8;
  --green: #2f5d52;
  --green-soft: #dbe7e2;
  --cream: #fbf7ee;
  --card-bg: #ffffff;
  --text-main: #22332e;
  --text-muted: #5b6e67;
  --border-soft: #dfe6e0;
  --error: #b3453c;
  --radius: 16px;
  --max-width: 480px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--cream);
  color: var(--text-main);
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Yu Gothic", sans-serif;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
button {
  font-family: "Zen Maru Gothic", "Noto Sans JP", sans-serif;
}

button {
  font-family: inherit;
}

#app {
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0 20px 40px;
}

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

.progress-wrap {
  position: sticky;
  top: 0;
  background: var(--cream);
  padding-top: 4px;
  z-index: 10;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0 12px;
  gap: 12px;
}

.site-header__brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-header__title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.02em;
}

.site-header__subtitle {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
}

.lang-toggle {
  flex-shrink: 0;
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  color: var(--green);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.lang-toggle:active {
  background: var(--green-soft);
}

.progress {
  height: 6px;
  background: var(--lemon-soft);
  border-radius: 999px;
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  background: var(--green);
  border-radius: 999px;
  transition: width 0.25s ease;
}

.progress-label {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}

/* ---------- screens ---------- */

.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-top: 28px;
}

.screen--start {
  justify-content: center;
  padding-top: 0;
  min-height: 70vh;
  text-align: center;
  align-items: center;
}

.screen--complete {
  justify-content: center;
  min-height: 70vh;
  text-align: center;
  align-items: center;
}

.screen__heading {
  font-size: 22px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--green);
  margin: 4px 0 12px;
}

.screen__body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
  margin: 0 0 20px;
}

.screen__body--muted {
  margin-top: -8px;
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
  width: fit-content;
}

.badge--required {
  background: var(--lemon-soft);
  color: #8a6100;
}

.badge--optional {
  background: var(--green-soft);
  color: var(--green);
}

/* ---------- buttons ---------- */

.btn {
  border: none;
  border-radius: 999px;
  padding: 15px 24px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.btn--primary {
  background: var(--green);
  color: #ffffff;
  flex: 1;
}

.btn--primary:active {
  background: #244842;
}

.btn--primary:disabled {
  opacity: 0.6;
}

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-soft);
}

.btn--large {
  width: 100%;
  padding: 18px 24px;
  font-size: 16px;
  background: var(--green);
  color: #fff;
}

.nav-bar {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  gap: 12px;
}

/* ---------- inputs ---------- */

.input-wrap {
  margin-bottom: 8px;
}

.input-text,
.input-textarea,
.input-select {
  width: 100%;
  border: 1.5px solid var(--border-soft);
  background: var(--card-bg);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 16px;
  color: var(--text-main);
  font-family: inherit;
}

.input-text:focus,
.input-textarea:focus,
.input-select:focus {
  outline: none;
  border-color: var(--green);
}

.input-textarea {
  resize: vertical;
}

.field-error {
  color: var(--error);
  font-size: 13px;
  margin: 4px 0 0;
}

.char-counter {
  margin: 6px 2px 0;
  font-size: 12px;
  color: var(--text-muted);
  text-align: right;
}

/* ---------- cards (choice UI) ---------- */

.cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkbox-with-extra {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.extra-label {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--text-muted);
}

.card {
  text-align: left;
  background: var(--card-bg);
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
}

.card--selected {
  background: var(--lemon-soft);
  border-color: var(--lemon);
  color: #6b4c00;
}

.card:active {
  border-color: var(--green);
}

/* ---------- guest tag ---------- */

.guest-tag {
  display: inline-block;
  align-self: flex-start;
  background: var(--green);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
  width: fit-content;
}

/* ---------- file upload ---------- */

.file-field {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.file-preview {
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card-bg);
}

.file-preview img {
  display: block;
  width: 100%;
  max-height: 260px;
  object-fit: contain;
  background: #f4f4f4;
}

.file-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 2px dashed var(--green);
  border-radius: var(--radius);
  padding: 22px 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--green);
  background: var(--green-soft);
  cursor: pointer;
}

.file-input-hidden {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* ---------- terms box ---------- */

.consent-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.terms-box {
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--card-bg);
  padding: 16px;
  max-height: 240px;
  overflow-y: auto;
}

.terms-box__text {
  margin: 0;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-main);
  white-space: pre-wrap;
  word-break: break-word;
}

.terms-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--green);
  text-decoration: underline;
}

/* ---------- consent ---------- */

.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--card-bg);
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 16px;
  font-size: 14px;
  line-height: 1.7;
}

.consent input {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--green);
}

/* ---------- review ---------- */

.review-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}

.review-section-title {
  margin: 14px 0 2px;
  font-size: 13px;
  font-weight: 700;
  color: var(--green);
}

.review-item__thumb {
  margin-top: 6px;
  max-width: 140px;
  max-height: 140px;
  border-radius: 8px;
  border: 1px solid var(--border-soft);
  display: block;
}

.review-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 14px 16px;
}

.review-item__text {
  min-width: 0;
}

.review-item__label {
  margin: 0 0 4px;
  font-size: 12px;
  color: var(--text-muted);
}

.review-item__value {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  word-break: break-word;
}

.review-item__extra {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--text-muted);
  word-break: break-word;
}

.review-item__edit {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  padding: 4px;
}

/* ---------- complete ---------- */

/* ---------- complete info ---------- */

.complete-info {
  align-self: stretch;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 4px;
  margin-bottom: 20px;
}

.complete-notice {
  margin: 0;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--lemon-soft);
  border: 1.5px solid var(--lemon);
  color: #6b4c00;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.7;
}

.complete-info__title {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--green);
}

.complete-info__body {
  margin: 0;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.9;
  color: var(--text-main);
  white-space: pre-wrap;
  word-break: break-word;
}

.complete-info__link {
  align-self: flex-start;
  font-size: 13px;
  font-weight: 700;
  color: var(--green);
  text-decoration: underline;
}

.complete-mark {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--lemon);
  margin-bottom: 20px;
  position: relative;
}

.complete-mark::after {
  content: "";
  position: absolute;
  left: 17px;
  top: 28px;
  width: 20px;
  height: 10px;
  border-left: 4px solid var(--green);
  border-bottom: 4px solid var(--green);
  transform: rotate(-45deg);
}

@media (min-width: 540px) {
  #app {
    padding-top: 12px;
  }
}