* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #23372a;
  background: #f3f7f2;
  font-family: "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.5;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.calendar-layout {
  display: flex;
  min-height: 100vh;
}

.calendar-sidebar {
  width: 220px;
  flex: 0 0 220px;
  background: #175b39;
  color: #fff;
  padding: 24px 12px;
}

.calendar-sidebar p,
.calendar-sidebar h1 {
  margin: 0 8px;
}

.calendar-sidebar p {
  font-size: .87rem;
  opacity: .9;
}

.calendar-sidebar h1 {
  font-size: 1.35rem;
  margin-bottom: 25px;
}

.calendar-sidebar nav {
  display: grid;
  gap: 5px;
}

.calendar-sidebar a {
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  padding: 10px 12px;
}

.calendar-sidebar a:hover,
.calendar-sidebar a[aria-current] {
  background: #28764c;
}

.calendar-main {
  width: 100%;
  max-width: 1580px;
  padding: clamp(16px, 3vw, 36px);
  margin-inline: auto;
}

.public-main {
  max-width: 1200px;
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.calendar-header h1,
.calendar-header h2 {
  margin: 0 0 6px;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.calendar-header p {
  margin: 0;
}

.eyebrow {
  color: #20613d;
  font-size: .85rem;
  font-weight: 700;
}

.calendar-message {
  min-height: 1.6em;
  margin: 10px 0;
  color: #944021;
}

.calendar-message:empty {
  min-height: 0;
  margin: 0;
}

.calendar-message a {
  color: #175b39;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #b9cabd;
  background: #fff;
  color: #1d4c32;
  padding: 9px 17px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
}

.button[hidden] {
  display: none;
}

.button:hover {
  background: #ecf4ed;
}

.button-primary {
  background: #175b39;
  color: #fff;
  border-color: #175b39;
}

.button-primary:hover {
  background: #0e492c;
}

.button-danger {
  color: #a72c2c;
  border-color: #d9aaaa;
  margin-right: auto;
}

.button:disabled {
  opacity: .55;
  cursor: wait;
}

.calendar-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px;
  background: #fff;
  border: 1px solid #d8e4d8;
  border-radius: 12px 12px 0 0;
}

.calendar-toolbar h2,
.calendar-toolbar h3 {
  margin: 0;
  font-size: 1.35rem;
}

.calendar-container {
  border: 1px solid #d8e4d8;
  border-top: 0;
  background: #fff;
  overflow: hidden;
  border-radius: 0 0 12px 12px;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-weekdays>span {
  text-align: center;
  padding: 9px;
  background: #e4efe5;
  font-weight: 700;
}

.calendar-weekdays>span:first-child {
  color: #b03c44;
}

.calendar-weekdays>span:last-child {
  color: #285f9b;
}

.calendar-day {
  min-width: 0;
  min-height: 112px;
  border-top: 1px solid #d8e4d8;
  border-right: 1px solid #d8e4d8;
  padding: 6px;
  background: #fff;
}

.calendar-day:nth-child(7n) {
  border-right: 0;
}

.calendar-day.other-month {
  background: #f5f6f5;
  color: #89968b;
}

.calendar-day.today {
  box-shadow: inset 0 0 0 2px #39845a;
}

.calendar-day-number {
  display: block;
  font-weight: 700;
  margin-bottom: 4px;
}

.calendar-day.sunday .calendar-day-number {
  color: #b03c44;
}

.calendar-day.saturday .calendar-day-number {
  color: #285f9b;
}

.calendar-event {
  display: flex;
  gap: 3px;
  width: 100%;
  padding: 4px 5px;
  margin: 3px 0;
  border: 0;
  border-radius: 5px;
  background: #e1f0e4;
  color: #164b2e;
  text-align: left;
  font-size: .78rem;
}

.calendar-event:hover {
  background: #c3e5cb;
}

.calendar-event.event-private {
  background: #f2e9d7;
  color: #604717;
}

.calendar-event.event-private:hover {
  background: #eadab7;
}

.calendar-event-time {
  white-space: nowrap;
  font-weight: 700;
}

.calendar-event-title {
  overflow-wrap: anywhere;
}

.calendar-agenda {
  margin: 24px 0;
  padding: 18px;
  background: #fff;
  border: 1px solid #d8e4d8;
  border-radius: 12px;
}

.calendar-agenda h2,
.calendar-agenda h3 {
  margin-top: 0;
  font-size: 1.16rem;
}

.agenda-item {
  display: grid;
  grid-template-columns: minmax(150px, 260px) 1fr;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid #e2ebe2;
}

.agenda-event {
  margin: 0;
  font-size: .94rem;
  padding: 8px 10px;
}

.event-dialog {
  border: 1px solid #c8d8ca;
  border-radius: 13px;
  width: min(94vw, 630px);
  max-height: 90vh;
  padding: 0;
  color: inherit;
}

.event-dialog::backdrop {
  background: #15251db3;
}

.event-dialog form {
  margin: 0;
}

.dialog-heading,
.dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 20px;
  gap: 9px;
  border-bottom: 1px solid #d8e4d8;
}

.dialog-heading h2 {
  margin: 0;
  font-size: 1.26rem;
}

.dialog-body {
  padding: 18px 20px;
  max-height: 65vh;
  overflow: auto;
}

.dialog-body label:not(.check-label) {
  display: grid;
  gap: 5px;
  margin-bottom: 13px;
  font-weight: 700;
}

.dialog-body input:not([type="checkbox"]),
.dialog-body select,
.dialog-body textarea {
  width: 100%;
  padding: 9px;
  border: 1px solid #b9cabd;
  border-radius: 6px;
  background: #fff;
  color: #23372a;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-row[hidden] {
  display: none;
}

.check-label {
  display: block;
  margin-bottom: 13px;
}

.required {
  color: #a72c2c;
  font-size: .8rem;
}

.form-hint {
  font-size: .87rem;
  color: #6c5131;
}

.form-message {
  color: #a72c2c;
}

.dialog-actions {
  justify-content: flex-end;
  border-top: 1px solid #d8e4d8;
  border-bottom: 0;
}

.description {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

@media (max-width: 820px) {
  .calendar-layout {
    display: block;
  }

  .calendar-sidebar {
    width: auto;
    padding: 10px 14px;
  }

  .calendar-sidebar h1 {
    margin-bottom: 8px;
    font-size: 1.08rem;
  }

  .calendar-sidebar nav {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }

  .calendar-sidebar a {
    padding: 6px 9px;
    font-size: .86rem;
  }

  .calendar-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .calendar-day {
    min-height: 62px;
    padding: 3px;
  }

  .calendar-day-number {
    font-size: .85rem;
  }

  .calendar-day .calendar-event {
    width: 6px;
    height: 6px;
    padding: 0;
    border-radius: 50%;
    font-size: 0;
  }

  .calendar-day .calendar-event span {
    display: none;
  }

  .agenda-item {
    grid-template-columns: 1fr;
    gap: 3px;
  }
}

@media (max-width: 440px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .calendar-toolbar h2,
  .calendar-toolbar h3 {
    font-size: 1.1rem;
  }

  .calendar-toolbar .button {
    padding: 7px 9px;
  }
}