* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Noto Sans JP", sans-serif;
}

@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.loader {
  width: 32px;
  height: 32px;
  border: 3px solid #e2e8f0;
  border-top-color: #6366f1;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin: 40px auto;
}

.app {
  min-height: 100vh;
  background: linear-gradient(180deg, #f0f0ff 0%, #f8faff 30%, #ffffff 100%);
  font-family: "Noto Sans JP", sans-serif;
}
.app__header {
  text-align: center;
  padding-top: 40px;
  margin-bottom: 8px;
}
.app__title {
  margin: 0;
  font-size: 32px;
  font-weight: 900;
  background: linear-gradient(135deg, #6366f1, #818cf8, #a5b4fc);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 2px;
  cursor: pointer;
}
.app__subtitle {
  margin: 6px 0 0;
  font-size: 14px;
  color: #94a3b8;
  font-weight: 500;
}
.app__content {
  max-width: 540px;
  margin: 0 auto;
  padding: 24px 20px 40px;
}
.app__card {
  background: #fff;
  border-radius: 20px;
  padding: 28px 24px;
  box-shadow: 0 4px 24px rgba(99, 102, 241, 0.08), 0 1px 3px rgba(0, 0, 0, 0.04);
  border: 1px solid #eef2ff;
  animation: fadeSlide 0.35s ease-out;
}
.app__error {
  background: #fff;
  border-radius: 20px;
  padding: 40px 24px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(99, 102, 241, 0.08);
}
.app__error-icon {
  font-size: 48px;
  margin-bottom: 16px;
}
.app__error-message {
  font-size: 16px;
  color: #475569;
  margin-bottom: 20px;
}

.btn {
  border-radius: 12px;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}
.btn--block {
  width: 100%;
}
.btn--primary {
  padding: 14px 0;
  background: linear-gradient(135deg, #6366f1, #818cf8);
  color: #fff;
  font-size: 16px;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
  letter-spacing: 1px;
}
.btn--respond {
  padding: 14px 0;
  background: linear-gradient(135deg, #6366f1, #818cf8);
  color: #fff;
  font-size: 15px;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.btn--error {
  padding: 12px 32px;
  background: linear-gradient(135deg, #6366f1, #818cf8);
  color: #fff;
  font-size: 15px;
}
.btn--outline {
  padding: 14px 0;
  border: 2px solid #e2e8f0;
  background: #fff;
  color: #64748b;
  font-size: 15px;
  font-weight: 600;
  margin-top: 4px;
}
.btn--secondary {
  flex: 0 0 auto;
  padding: 14px 20px;
  border: 2px solid #e2e8f0;
  background: #fff;
  color: #64748b;
  font-size: 15px;
  font-weight: 600;
}
.btn--disabled {
  padding: 14px 0;
  background: #e2e8f0;
  color: #94a3b8;
  cursor: default;
  font-size: 16px;
  letter-spacing: 1px;
  box-shadow: none;
}

.step-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 32px;
}
.step-bar__item {
  display: flex;
  align-items: center;
}
.step-bar__step {
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.3s;
}
.step-bar__step--active {
  opacity: 1;
}
.step-bar__step--inactive {
  opacity: 0.35;
}
.step-bar__circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  font-family: "Noto Sans JP", sans-serif;
}
.step-bar__circle--active {
  background: linear-gradient(135deg, #6366f1, #818cf8);
  color: #fff;
}
.step-bar__circle--inactive {
  background: #e2e8f0;
  color: #94a3b8;
}
.step-bar__label {
  font-size: 13px;
  font-family: "Noto Sans JP", sans-serif;
}
.step-bar__label--current {
  font-weight: 700;
  color: #4338ca;
}
.step-bar__label--passed {
  font-weight: 500;
  color: #4338ca;
}
.step-bar__label--inactive {
  font-weight: 500;
  color: #94a3b8;
}
.step-bar__connector {
  width: 32px;
  height: 2px;
  margin: 0 8px;
  border-radius: 2px;
}
.step-bar__connector--done {
  background: #818cf8;
}
.step-bar__connector--pending {
  background: #e2e8f0;
}

.month-picker {
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
}
.month-picker__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  padding: 0 4px;
}
.month-picker__nav {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: #64748b;
  padding: 4px 10px;
}
.month-picker__year {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: #1e293b;
  letter-spacing: 1px;
}
.month-picker__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.month-picker__month {
  padding: 14px 0;
  border-radius: 12px;
  font-size: 15px;
  font-family: "Noto Sans JP", sans-serif;
  transition: all 0.15s;
}
.month-picker__month--default {
  border: 1px solid #e2e8f0;
  background: #fff;
  color: #334155;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.month-picker__month--default:hover {
  background: #eef2ff;
}
.month-picker__month--selected {
  border: none;
  background: linear-gradient(135deg, #6366f1, #818cf8);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.35);
}
.month-picker__month--past {
  border: 1px solid #f1f5f9;
  background: #f8fafc;
  color: #cbd5e1;
  font-weight: 600;
  cursor: default;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.calendar-grid {
  margin-bottom: 20px;
}
.calendar-grid__month-header {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: #1e293b;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.calendar-grid__month-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #6366f1, #818cf8);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}
.calendar-grid__days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
  text-align: center;
  background: #f8fafc;
  border-radius: 14px;
  padding: 10px;
  border: 1px solid #e2e8f0;
}
.calendar-grid__day-name {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 0;
  font-family: "Noto Sans JP", sans-serif;
}
.calendar-grid__day-name--sun {
  color: #ef4444;
}
.calendar-grid__day-name--sat {
  color: #3b82f6;
}
.calendar-grid__day-name--weekday {
  color: #94a3b8;
}
.calendar-grid__day {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 10px;
  font-family: "Noto Sans JP", sans-serif;
  padding: 0;
  transition: all 0.12s;
  position: relative;
}
.calendar-grid__day--past {
  border: none !important;
  background: transparent !important;
  cursor: default;
  opacity: 0.3;
}
.calendar-grid__day-number {
  font-size: 12px;
  font-weight: 600;
}
.calendar-grid__day-number--sun {
  color: #ef4444;
}
.calendar-grid__day-number--sat {
  color: #3b82f6;
}
.calendar-grid__day-number--weekday {
  color: #334155;
}
.calendar-grid__day-number--past {
  color: #cbd5e1;
}
.calendar-grid__day-response {
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}
.calendar-grid__day-score {
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
}
.calendar-grid__day-best {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #6366f1;
  font-size: 8px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.calendar-grid__empty {
  text-align: center;
  color: #94a3b8;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  padding: 20px 0;
}

.form-field {
  margin-bottom: 24px;
}
.form-field--sm {
  margin-bottom: 20px;
}
.form-field__label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  color: #475569;
  font-family: "Noto Sans JP", sans-serif;
}
.form-field__label--gap-sm {
  margin-bottom: 6px;
}
.form-field__required {
  color: #ef4444;
}
.form-field__picker-wrap {
  background: #fff;
  border-radius: 16px;
  padding: 20px;
  border: 2px solid #e2e8f0;
}
.form-field__tags {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  font-size: 15px;
  font-family: "Noto Sans JP", sans-serif;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
  background: #fff;
}
.form-input:focus {
  border-color: #818cf8;
}
.form-input--textarea {
  resize: vertical;
}
.form-input--share {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #bae6fd;
  font-size: 13px;
  color: #334155;
}
@media (min-width: 768px) {
  .form-input--share {
    flex: 1;
    width: auto;
  }
}

.month-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 14px;
  border-radius: 20px;
  background: linear-gradient(135deg, #eef2ff, #e0e7ff);
  color: #4338ca;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: "Noto Sans JP", sans-serif;
}
.month-tag__remove {
  font-size: 11px;
  opacity: 0.6;
}

.event-info {
  background: #f8fafc;
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 24px;
  border: 1px solid #e2e8f0;
}
.event-info--sm {
  margin-bottom: 16px;
}
.event-info__title {
  margin: 0;
  font-size: 18px;
  color: #1e293b;
  font-family: "Noto Sans JP", sans-serif;
}
.event-info__memo {
  margin: 8px 0 0;
  font-size: 14px;
  color: #64748b;
  font-family: "Noto Sans JP", sans-serif;
}
.event-info__meta {
  margin: 8px 0 0;
  font-size: 13px;
  color: #94a3b8;
  font-family: "Noto Sans JP", sans-serif;
}

.response-legend {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.response-legend__item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-family: "Noto Sans JP", sans-serif;
  color: #64748b;
}
.response-legend__symbol {
  font-size: 16px;
  font-weight: 700;
}

.respond-actions {
  display: flex;
  gap: 10px;
}

.participants {
  margin-top: 8px;
}
.participants__heading {
  font-size: 14px;
  font-weight: 700;
  color: #475569;
  margin-bottom: 10px;
  font-family: "Noto Sans JP", sans-serif;
}
.participants__item {
  padding: 10px 14px;
  background: #f8fafc;
  border-radius: 10px;
  margin-bottom: 6px;
  font-size: 14px;
  color: #475569;
  font-family: "Noto Sans JP", sans-serif;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.participants__name {
  font-weight: 600;
  color: #334155;
}
.participants__comment {
  margin-left: 8px;
  color: #94a3b8;
  font-size: 13px;
}
.participants__count {
  font-size: 13px;
  color: #6366f1;
  font-weight: 600;
}

.best-date {
  background: linear-gradient(135deg, #eef2ff, #e0e7ff);
  border-radius: 14px;
  padding: 14px 18px;
  margin-top: 20px;
  margin-bottom: 20px;
  border: 1px solid #c7d2fe;
}
.best-date__label {
  font-size: 12px;
  font-weight: 600;
  color: #6366f1;
  margin-bottom: 4px;
  font-family: "Noto Sans JP", sans-serif;
}
.best-date__value {
  font-size: 17px;
  font-weight: 700;
  color: #312e81;
  font-family: "Noto Sans JP", sans-serif;
}
.best-date__sub {
  font-size: 13px;
  font-weight: 500;
  color: #6366f1;
  margin-left: 8px;
}

.legend-box {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  padding: 10px 14px;
  background: #f0fdf4;
  border-radius: 10px;
  border: 1px solid #bbf7d0;
  flex-wrap: wrap;
}
.legend-box__item {
  font-size: 12px;
  font-family: "Noto Sans JP", sans-serif;
  color: #475569;
  display: flex;
  align-items: center;
  gap: 4px;
}
.legend-box__swatch {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  display: inline-block;
}

.share-box {
  background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
  border-radius: 14px;
  padding: 14px 18px;
  margin-top: 20px;
  margin-bottom: 20px;
  border: 1px solid #bae6fd;
}
.share-box__label {
  font-size: 12px;
  font-weight: 600;
  color: #0284c7;
  margin-bottom: 8px;
  font-family: "Noto Sans JP", sans-serif;
}
.share-box__row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.share-box__btn {
  padding: 10px 16px;
  border-radius: 10px;
  border: none;
  background: #0284c7;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  font-family: "Noto Sans JP", sans-serif;
  white-space: nowrap;
  transition: background 0.2s;
}
.share-box__btn--copied {
  background: #22c55e;
}/*# sourceMappingURL=style.css.map */