:root {
  --font-family: "Zen Maru Gothic";
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-bold: 700;
  --font-black: 900;

  --bg-color: #ffffff;
  --header-bg-color: #f6f6f6;
  --input-bg-color: #f6f6f6;
  --text-black: #000000;
  --text-white: #ffffff;
  --accent-color: #f53838;
  --primary-color: #007780;
  --primary-disabled: hsl(184, 25%, 55%);
  --primary-secondary: #ccf0ff;
  --primary-red: #bf4040;
  --border-color: #454545;

  --main-button-padding-x: 18px;
  --main-button-height: 30px;
  --big-button-padding-y: 8px;
  --big-button-height: 20px;

  --input-text-font-size: 14px;
  --input-text-font-weight: var(--font-medium);
  --title-text-font-size: 18px;
  --title-text-font-weight: var(--font-medium);
  --subtitle-text-font-size: 14px;
  --subtitle-text-font-weight: var(--font-bold);
  --main-text-font-size: 12px;
  --main-text-font-weight: var(--font-medium);
  --sub-text-font-size: 10px;
  --sub-text-font-weight: var(--font-medium);
  --info-text-font-size: 9px;
  --info-text-font-weight: var(--font-medium);

  --main-margin-x: 32px;
  --main-margin-y: 24px;
  --main-gap: 16px;

  --input-height: 32px;
  --input-padding: 12px;
  --textarea-line-height: 15px;

  --sort-button-height: 24px;
  --sort-button-width: 66px;

  --box-shadow: 0px 1px 2px rgba(0, 0, 0, 0.25);
  --box-shadow-select: 0px 0px 3px 0px #00778088;
  --inner-shadow: inset 0px 1px 2px rgba(0, 0, 0, 0.25);

  --animation-speed: 0.3s;
  --border-radius: 8px;
}

/* base */

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}
body {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-color);
  color: var(--text-black);
  font-family: var(--font-family);
  height: 100dvh;
}
body:has(dialog[open]) {
  overflow: hidden;
}
p {
  margin: 0;
  word-wrap: normal;
}
h1 {
  text-align: center;
  margin: 0;
}

button {
  border: none;
  outline: none;
}

input,
textarea {
  border: none;
  outline: none;
  box-sizing: border-box;
  width: 100%;
  padding: calc((var(--input-height) - var(--textarea-line-height)) / 2)
    var(--input-padding);
  text-box-trim: trim-both;
  line-height: var(--textarea-line-height);

  background-color: var(--input-bg-color);
  resize: none;
}
textarea {
  min-height: calc(var(--textarea-line-height) * 2);
  field-sizing: content;
}

/* typography */

.title-text,
.subtitle-text,
.main-text,
.sub-text,
.info-text,
.input-text,
.main-button,
.main-button-primary,
.main-button-danger,
.big-button,
.sort-button,
header > input[type="button"] {
  font-family: var(--font-family);
}

.font-regular {
  font-weight: var(--font-regular) !important;
}

h1,
.title-text,
.big-button {
  font-size: var(--title-text-font-size);
  font-weight: var(--title-text-font-weight);
}
.subtitle-text,
.home-subtitle {
  font-size: var(--subtitle-text-font-size);
  font-weight: var(--subtitle-text-font-weight);
}
.main-text,
.home-description,
.main-button,
.main-button-primary,
.main-button-danger,
header > input[type="button"] {
  font-size: var(--main-text-font-size);
  font-weight: var(--main-text-font-weight);
}
.sub-text,
.sort-button,
.create-box-title > p {
  font-size: var(--sub-text-font-size);
  font-weight: var(--sub-text-font-weight);
}
.info-text {
  font-size: var(--info-text-font-size);
  font-weight: var(--info-text-font-weight);
}

.input-text {
  font-size: var(--input-text-font-size);
  font-weight: var(--input-text-font-weight);
}

/* utility */

.logo {
  width: 58px;
  height: 30px;
}
.border {
  border: 1px solid var(--border-color);
}
.border-primary {
  border: 1px solid var(--primary-color);
}
.rounded {
  border-radius: var(--border-radius);
}
.box-shadow {
  box-shadow: var(--box-shadow);

  &:focus-visible {
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow-select);
  }
}
.inner-shadow {
  box-shadow: var(--inner-shadow);
}

input[type="button"]:active {
  box-shadow: none;
}

/* layout */

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  background-color: var(--header-bg-color);
  border-bottom: 1px solid var(--border-color);
}
main {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  margin: var(--main-margin-y) var(--main-margin-x);
  gap: var(--main-gap);
}
/* 通常の縦長ページ（ホーム等）用。box/dashboardのようにヘッダー固定＋
   内部スクロール（.box-view側）にしたい画面ではこのクラスを付けない。 */
body:has(> main.page-scroll) {
  height: auto;
  min-height: 100dvh;
}
main.page-scroll {
  flex: none;
  min-height: auto;
}
.qc-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-align: center;
}
.login-signup-note {
  text-align: center;
}
.login-signup-note > a {
  color: var(--primary-color);
  font-weight: var(--font-bold);
}
.notice {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--border-radius);
}
.notice-info {
  color: var(--primary-color);
  background-color: var(--primary-secondary);
}
.notice-warn {
  color: var(--primary-red);
  background-color: rgba(191, 64, 64, 0.12);
}
.notice-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
}
.notice-icon > svg {
  width: 16px;
  height: 16px;
}
form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* buttons */

.main-button,
.main-button-primary,
.main-button-danger,
.big-button,
header > input[type="button"],
.sort-button[data-sort] {
  cursor: pointer;
}

.main-button,
.main-button-primary,
.main-button-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--main-button-padding-x);
  height: var(--main-button-height);
  width: fit-content;
  flex: 0 0 auto;
}
.main-button,
header > input[type="button"] {
  background-color: var(--input-bg-color);
  color: var(--text-black);
  border: 1px solid var(--border-color);
}
.main-button-primary,
.main-button-danger {
  color: var(--text-white);
  border: none;
  &:disabled {
    color: var(--primary-disabled);
  }
}
.main-button-primary {
  background-color: var(--primary-color);
}
.main-button-danger {
  background-color: var(--primary-red);
}

header > input[type="button"] {
  padding: 0 var(--main-button-padding-x);
  height: var(--main-button-height);
  border-radius: var(--border-radius);
}
.header-login-button {
  /* ページ本来のCTAより主張しすぎないよう、枠線・影のないゴースト形式にする */
  width: fit-content;
  background-color: transparent;
  color: var(--primary-color);
  border: none;
  font-weight: var(--font-bold);
}
.header-login-button:hover {
  background-color: var(--primary-secondary);
}

.big-button {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--big-button-padding-y) 0;
  min-height: calc(var(--big-button-height) + var(--big-button-padding-y) * 2);
  width: 100%;
  background-color: var(--primary-color);
  color: var(--text-white);
}

/* home */

.home-page {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
}

.home-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  padding: 8px 0 20px;
}
.home-eyebrow {
  display: inline-block;
  color: var(--primary-color);
  background-color: var(--primary-secondary);
  font-weight: var(--font-bold);
  padding: 4px 14px;
  border-radius: 999px;
}
.home-tagline {
  line-height: 1.6;
}
.home-hero > input.big-button {
  margin-top: 4px;
}
.home-hero-note {
  color: var(--primary-disabled);
}

.home-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--header-bg-color);
}
.home-section-title {
  border-left: 4px solid var(--primary-color);
  padding-left: 8px;
}

/* 使い方 */

.home-steps {
  display: flex;
  flex-direction: column;
}
.home-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  position: relative;
}
.home-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 48px;
  width: 2px;
  height: calc(100% - 32px);
  background-color: var(--primary-secondary);
}
.home-step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background-color: var(--primary-color);
  color: var(--text-white);
  z-index: 1;
}
.home-step-icon > svg {
  width: 20px;
  height: 20px;
}
.home-step-title {
  font-weight: var(--font-bold);
}

/* いいところ */

.home-benefits {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.home-benefit-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 16px;
  background-color: var(--primary-secondary);
}
.home-benefit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background-color: var(--bg-color);
  color: var(--primary-color);
}
.home-benefit-icon > svg {
  width: 20px;
  height: 20px;
}
.home-benefit-title {
  font-weight: var(--font-bold);
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.form-label {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex: 1;
}
.form-label-container {
  display: flex;
  gap: 4px;
}
.form-required {
  color: var(--accent-color);
}
.form-error-message {
  display: flex;
  flex-direction: column;
  & > span[data-red="true"] {
    color: var(--accent-color);
  }
}
/* createBox */

.create-box-title {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin: 0 auto;
}
.create-box-btns {
  display: flex;
  justify-content: space-between;
}
.create-box-lead {
  text-align: center;
  line-height: 1.6;
}
.box-preview-label {
  text-align: center;
  margin-top: 16px;
}

/* box */

.box-main {
  align-items: center;
}
.box-header {
  display: flex;
  align-items: center;
  gap: 10px;
}
.box-header-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background-color: var(--primary-color);
  color: var(--text-white);
}
.box-header-icon > svg {
  width: 18px;
  height: 18px;
}
.box-header-note {
  color: var(--primary-disabled);
}
.box-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 32px 16px;
  text-align: center;
  color: var(--primary-disabled);
}
.box-empty-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  background-color: var(--primary-secondary);
  color: var(--primary-color);
}
.box-empty-icon > svg {
  width: 22px;
  height: 22px;
}
.state-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  padding-top: 24px;
}
.state-page > .box-empty-icon {
  width: 56px;
  height: 56px;
}
.state-page > .box-empty-icon > svg {
  width: 26px;
  height: 26px;
}
.state-page > input.big-button {
  width: 100%;
  max-width: 320px;
}
.box-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  flex: 1;
  min-height: 0;
}
.list-control {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  align-items: center;
}
.list-search {
  display: flex;
  width: 100%;
  align-items: center;
  & > input {
    padding-left: 34px;
  }
  & > img {
    position: absolute;
    left: 42px;
    width: 16px;
    height: 16px;
  }
}

.list-sort {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 8px;
}
.list-sort-view {
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  height: var(--sort-button-height);
}
.list-sort-view::-webkit-scrollbar {
  display: none;
}
.list-sort-list {
  display: flex;
  gap: 8px;
  width: fit-content;
}

.sort-arrow-left,
.sort-arrow-right {
  transform-box: view-box;
  transition: transform var(--animation-speed) ease;
}

.sort-button {
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
  height: var(--sort-button-height);
  width: var(--sort-button-width);
  background-color: var(--input-bg-color);
  color: var(--text-black);
  flex-shrink: 0;
  &[data-sort="none"] {
    border: var(--primary-color) 1px solid;
    stroke: var(--primary-color);
    color: var(--primary-color);
  }

  &[data-sort="asc"],
  &[data-sort="desc"],
  &[data-sort="on"] {
    background-color: var(--primary-color);
    box-shadow: var(--inner-shadow);
    color: var(--text-white);
  }

  &[data-sort="asc"],
  &[data-sort="desc"] {
    stroke: var(--text-white);
    & .sort-arrow-left {
      transform-origin: -6px 0px;
    }
    & .sort-arrow-right {
      transform-origin: 6px 0px;
    }
  }

  &[data-sort="asc"] {
    & .sort-arrow-left {
      transform: rotate(-45deg);
    }
    & .sort-arrow-right {
      transform: rotate(45deg);
    }
  }
  &[data-sort="desc"] {
    & .sort-arrow-left {
      transform: rotate(45deg);
    }
    & .sort-arrow-right {
      transform: rotate(-45deg);
    }
  }
}

.box-view {
  /* 中身の幅で縮まないよう固定（絞り込みでカードが細くなるのを防ぐ） */
  width: min(100%, 500px);
  flex: 1;
  min-height: 0;
  margin: 0;
  overflow-y: auto;
  overflow-x: hidden;
}
.box-card-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 500px;
  width: 100%;
}

/* card */

.card {
  background-color: var(--primary-color);
  gap: 0;
  & > div {
    display: flex;
    align-items: center;
  }

  &[show] > .answer {
    grid-template-rows: 1fr;
  }

  &[data-card="view"] {
    border-bottom: var(--primary-color) 3px solid;
  }

  &[data-card="edit"]:not([show]) > .question {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
  }
}

.question {
  transition: border-radius var(--animation-speed);
  background-color: var(--input-bg-color);
  & .card-label {
    background-color: var(--primary-color);
    color: var(--text-white);
  }
  & > img {
    height: 24px;
    width: 24px;
    rotate: 360deg;
    transition: rotate var(--animation-speed);
  }
}
.card[show] > .question > img {
  rotate: 180deg;
}

.card > .answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--animation-speed);
  padding-right: 24px;
  overflow: hidden;
  & > .card-main {
    min-height: 0;
    overflow: hidden;
  }
  & > .card-main > div {
    color: var(--text-white);
  }
  & .card-label {
    color: var(--primary-color);
    background-color: var(--text-white);
  }
}

.card-label {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  height: 36px;
  border-radius: 32px;
  width: 36px;
  font-size: var(--title-text-font-size);
  font-weight: var(--font-medium);
  line-height: 36px;
  flex: 0 0 auto;
}
.card-main {
  display: flex;
  gap: 8px;
  align-items: center;
  padding-left: 8px;
  width: 100%;
  & > div {
    padding: 8px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
  }
}
.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.card-status {
  display: flex;
  font-weight: var(--font-regular);
  font-size: var(--info-text-font-size);
}

/* dashboard */

.dashboard-controll {
  display: flex;
  justify-content: space-between;
  width: 100%;
}
.dashboard-answer {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}
.dashboard-answer-submit-button {
  display: flex;
  justify-content: space-between;
  background-color: var(--input-bg-color);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  border-top: 1px solid var(--border-color);
  padding: 8px;
}

.dashborad-form-submit > input:disabled {
  color: var(--primary-disabled);
  cursor: inherit;
}
.card-main,
.card-main > div,
.dashboard-answer,
.form-group {
  min-width: 0;
}

.status-icon {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 4px;
  height: 24px;
  padding: 2px 4px;
  & > img {
    width: 16px;
    height: 16px;
  }
  &[data-status="public"] {
    box-shadow: var(--box-shadow);
  }
  &[data-status="publicoff"] {
    box-shadow: var(--inner-shadow);
  }
}

/* popup */
dialog {
  /* ブラウザ既定のリセット */
  margin: auto; /* 中央配置。既定値だが明示しておくと安全 */
  padding: 1.5rem;
  border: none; /* 既定の枠線を消す */
  max-width: min(90vw, 400px);
  width: 100%;
  max-height: 90dvh;
  overflow: auto;

  /* 既存の見た目を流用 */
  background: var(--bg, #fff);
}

dialog::backdrop {
  background: rgb(0 0 0 / 0.4);
}
dialog {
  opacity: 0;
  scale: 0.95;
  transition:
    opacity var(--animation-speed) ease,
    scale var(--animation-speed) ease,
    display var(--animation-speed) allow-discrete,
    overlay var(--animation-speed) allow-discrete;
}

/* 開いている状態 */
dialog[open] {
  opacity: 1;
  scale: 1;
}

/* 開く瞬間の"開始値"。これが無いと表示時にアニメーションしない */
@starting-style {
  dialog[open] {
    opacity: 0;
    scale: 0.95;
  }
}

/* backdrop も同様に */
dialog::backdrop {
  background: rgb(0 0 0 / 0);
  transition:
    background var(--animation-speed) ease,
    display var(--animation-speed) allow-discrete,
    overlay var(--animation-speed) allow-discrete;
}

dialog[open]::backdrop {
  background: rgb(0 0 0 / 0.4);
}

@starting-style {
  dialog[open]::backdrop {
    background: rgb(0 0 0 / 0);
  }
}
dialog form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

dialog > form > div {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

.warn-text {
  color: var(--primary-red) !important;
  font-weight: var(--font-black) !important;
}

.password-input {
  display: flex;
  flex-direction: row;
  align-items: center;
  & > input {
    padding-right: 34px;
  }
  & > img {
    position: absolute;
    width: 16px;
    height: 16px;
    right: 42px;
  }
}

.main-create-question-button {
  margin-top: 16px;
}

.circle-create-question-button {
  position: fixed;
  width: 62px;
  height: 62px;
  bottom: -62px;
  right: calc(100vw / 2 - 32px);
  left: calc(100vw / 2 - 32px);
  border-radius: 50%;
  transition: bottom var(--animation-speed);
  &[show] {
    bottom: 32px;
  }
  & > img {
    width: 32px;
    height: 32px;
  }
}

.setting-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.settings-danger-zone {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 16px;
  margin-top: 4px;
  border-top: 1px solid var(--primary-secondary);
}
.settings-danger-label {
  color: var(--primary-red);
  font-weight: var(--font-bold);
}

[hidden] {
  display: none !important;
}

.box-card-list > .card {
  flex-shrink: 0;
}

/* 並び替え（投稿順・回答順）と絞り込み（回答待ち・公開・非公開）の見分け */
.sort-label {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--primary-color);
}
.sort-divider {
  align-self: stretch;
  flex-shrink: 0;
  width: 1px;
  margin: 0 4px;
  background-color: var(--primary-color);
  opacity: 0.4;
}
/* 絞り込みボタンは丸型で、オンのときにチェックを付ける */
.sort-button[data-type="exist"] {
  border-radius: calc(var(--sort-button-height) / 2);
  gap: 2px;
  &[data-sort="on"]::before {
    content: "✓";
    font-size: var(--sub-text-font-size);
    font-weight: var(--font-bold);
  }
}