/**
 * ZeroCode.js - 共通CSS
 * リセットCSS + 共通スタイル
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;700&display=swap');

/* ========================================
   CSS Reset
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: clip;
  width: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family:
    'Inter',
    'Noto Sans JP',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    'Hiragino Sans',
    'Hiragino Kaku Gothic ProN',
    'Yu Gothic',
    'Meiryo',
    sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  container-type: inline-size;
  container-name: viewport;
  overflow-x: clip;
  width: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: inherit;
  font-weight: inherit;
}

ul,
ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* ========================================
共通レイアウト(BEM / l-*)
======================================== */

.l-header,
.l-footer {
  padding: 20px;
  border-radius: 0;
  color: white;
  text-align: center;
}

.l-header h1,
.l-footer h1 {
  margin: 0 0 10px 0;
  font-size: 24px;
  font-weight: 700;
}

.l-header p,
.l-footer p {
  margin: 0;
  opacity: 0.9;
  font-size: 14px;
}
/* CMS用ヘッダーとフッター */
.l-header--cms,
.l-footer--cms {
  background: #3498db;
}

/* Dev（エンジニア用） */
.l-header--dev,
.l-footer--dev {
  background: #e67e22;
}

/* Light DOM */
.l-header--light-dom,
.l-footer--light-dom {
  background: #16a085;
}

/* Preview（表示専用） */
.l-header--preview,
.l-footer--preview {
  background: #9b59b6;
}

/* Pub（公開用） */
.l-header--pub,
.l-footer--pub {
  background: #27ae60;
}

/* SSR（SSR比較） */
.l-header--ssr,
.l-footer--ssr {
  background: #2ecc71;
}

.l-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  container-type: inline-size;
  container-name: page;
}

/* ========================================
共通パーツ（BEM / c-*）
======================================== */

:root {
  --c-color-black: #0b1220;
  --c-color-white: #fff;
  --c-color-red: #2563eb;
  --c-color-gray: #64748b;
  --c-color-gray-2: rgba(15, 23, 42, 0.14);
  --c-color-bg-soft: rgba(15, 23, 42, 0.03);
  --c-radius: 12px;
  --c-shadow: 0 10px 30px rgba(2, 6, 23, 0.08);
  --c-transition: 160ms ease;
}

.c-heading {
  margin-top: 40px;
  margin-bottom: 22px;
}

.c-heading__title {
  overflow: hidden;
  position: relative;
  color: var(--c-color-black);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.c-heading--h1 .c-heading__title {
  font-size: 36px;
  line-height: 1.25;
  padding-bottom: 14px;
}

.c-heading--h1 .c-heading__title::before {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 96px;
  height: 2px;
  background-color: rgba(11, 18, 32, 0.7);
}

.c-heading--h1 .c-heading__title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 3px;
  background-color: var(--c-color-red);
}

.c-heading--h2 .c-heading__title {
  font-size: 28px;
  line-height: 1.3;
  padding-bottom: 12px;
}

.c-heading--h2 .c-heading__title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 52px;
  height: 2px;
  background-color: var(--c-color-red);
}

.c-heading--h3 .c-heading__title {
  font-size: 20px;
  line-height: 1.35;
}

.c-heading--h4 .c-heading__title {
  font-size: 18px;
  line-height: 1.4;
}

.c-heading--h5 .c-heading__title {
  font-size: 16px;
  line-height: 1.45;
}

.c-heading--h6 .c-heading__title {
  font-size: 14px;
  line-height: 1.5;
}

.c-text {
  margin-top: 24px;
  color: var(--c-color-gray);
  font-size: 16px;
  line-height: 1.8;
}

.c-text p + p {
  margin-top: 0.769em;
}

.c-box {
  margin-top: 24px;
  border: 1px solid var(--c-color-gray-2);
  background-color: var(--c-color-white);
  border-radius: var(--c-radius);
  box-shadow: var(--c-shadow);
}

.c-box__inner {
  padding: 24px;
}

.c-box__heading {
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 14px;
  color: var(--c-color-black);
}

.c-box__body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-color-gray);
}

.c-box--tone-neutral {
  border-color: var(--c-color-gray-2);
  background-color: var(--c-color-white);
}

.c-box--tone-primary {
  border-color: rgba(37, 99, 235, 0.35);
  background-color: rgba(37, 99, 235, 0.06);
}

.c-box--tone-accent {
  border-color: rgba(15, 23, 42, 0.12);
  background-color: rgba(15, 23, 42, 0.03);
}

.c-media {
  margin-top: 24px;
  display: flex;
  gap: 24px;
  align-items: center;
  border: 1px solid var(--c-color-gray-2);
  background-color: var(--c-color-white);
  padding: 24px;
  border-radius: var(--c-radius);
  box-shadow: var(--c-shadow);
}

.c-media--dir-reverse {
  flex-direction: row-reverse;
}

.c-media--valign-top {
  align-items: flex-start;
}

.c-media--valign-center {
  align-items: center;
}

.c-media--valign-bottom {
  align-items: flex-end;
}

.c-media__image {
  flex: 0 0 auto;
  width: 42%;
  max-width: 520px;
}

.c-media__img {
  width: 100%;
  height: auto;
  border: 1px solid var(--c-color-gray-2);
  background: var(--c-color-white);
  border-radius: calc(var(--c-radius) - 4px);
}

.c-media__content {
  flex: 1 1 auto;
  min-width: 0;
}

.c-media__heading {
  font-weight: 700;
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 12px;
  color: var(--c-color-black);
}

.c-media__text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-color-gray);
}

.c-media__actions {
  margin-top: 20px;
}

.c-image {
  margin-top: 50px;
  margin-bottom: 50px;
  display: block;
}

.c-image__media {
  overflow: hidden;
  border: 1px solid var(--c-color-gray-2);
  background: var(--c-color-white);
  border-radius: var(--c-radius);
}

.c-image__img {
  width: 100%;
  height: auto;
}

.c-image__caption {
  margin-top: 10px;
  color: var(--c-color-gray);
  font-size: 13px;
  line-height: 1.692;
}

.c-image--align-left {
  text-align: left;
}

.c-image--align-center {
  text-align: center;
}

.c-image--align-right {
  text-align: right;
}

.c-table {
  margin-top: 24px;
  border: 1px solid var(--c-color-gray-2);
  background: var(--c-color-white);
  border-radius: var(--c-radius);
  overflow: hidden;
  box-shadow: var(--c-shadow);
}

.c-table__caption {
  padding: 14px 16px;
  color: var(--c-color-gray);
  font-size: 14px;
  line-height: 1.5;
  border-bottom: 1px solid var(--c-color-gray-2);
}

.c-table__row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
}

.c-table__cell {
  padding: 15px;
  color: var(--c-color-black);
  font-size: 14px;
  line-height: 1.5;
  border-bottom: 1px solid var(--c-color-gray-2);
  border-right: 1px solid var(--c-color-gray-2);
  min-width: 0;
  background: var(--c-color-white);
}

.c-table__row > .c-table__cell:last-child {
  border-right: none;
}

.c-table__cell--head {
  font-weight: 700;
  color: var(--c-color-white);
  background: var(--c-color-black);
}

.c-table__cell--align-left {
  text-align: left;
}

.c-table__cell--align-center {
  text-align: center;
}

.c-table__cell--align-right {
  text-align: right;
}

.c-table--style-striped .c-table__body .c-table__row:nth-child(even) .c-table__cell {
  background: var(--c-color-bg-soft);
}

.c-table--style-bordered .c-table__cell {
  border-color: rgba(15, 23, 42, 0.2);
}

.c-actions {
  display: block;
}

.c-actions--align-left {
  text-align: left;
}

.c-actions--align-center {
  text-align: center;
}

.c-actions--align-right {
  text-align: right;
}

.c-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: auto;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  line-height: 1.5;
  background-color: var(--c-color-white);
  border: 1px solid var(--c-color-gray-2);
  transition: var(--c-transition);
  color: var(--c-color-black);
}

.c-button--style-primary {
  background-color: var(--c-color-red);
  border-color: var(--c-color-red);
  color: var(--c-color-white);
}

.c-button--style-primary:hover {
  background-color: #1d4ed8;
  border-color: #1d4ed8;
}

.c-button--style-secondary {
  border-color: rgba(37, 99, 235, 0.35);
  color: var(--c-color-red);
  background-color: rgba(37, 99, 235, 0.06);
}

.c-button--style-secondary:hover {
  background-color: rgba(37, 99, 235, 0.1);
}

.c-button--style-text {
  border-color: transparent;
  background-color: transparent;
  width: auto;
  min-height: auto;
  padding: 0;
  text-decoration: underline;
  color: var(--c-color-red);
}

.c-link {
  position: relative;
  font-weight: 700;
  color: var(--c-color-red);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--c-transition);
}

.c-link:hover {
  color: #1d4ed8;
}

@container viewport (max-width: 640px) {
  .l-container {
    padding: 28px 16px;
  }

  .c-heading {
    margin-top: 40px;
    margin-bottom: 30px;
  }

  .c-heading--h1 .c-heading__title {
    font-size: 28px;
    padding-bottom: 12px;
  }

  .c-heading--h2 .c-heading__title {
    font-size: 22px;
    padding-bottom: 12px;
  }

  .c-heading--h3 .c-heading__title {
    font-size: 18px;
  }

  .c-heading--h4 .c-heading__title {
    font-size: 16px;
  }

  .c-heading--h5 .c-heading__title {
    font-size: 14px;
  }

  .c-heading--h6 .c-heading__title {
    font-size: 13px;
  }

  .c-media {
    flex-direction: column;
    align-items: stretch;
  }

  .c-media__image {
    width: 100%;
    max-width: none;
  }

  .c-box__inner {
    padding: 20px;
  }

  .c-image {
    margin-top: 30px;
    margin-bottom: 30px;
  }
}

/* リセットボタン（保存ボタンの横に配置） */
.reset-controls-fixed {
  position: fixed;
  bottom: 20px;
  left: 160px; /* 保存ボタンの右側に配置（保存ボタンの幅 + gapを考慮） */
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  backdrop-filter: blur(6px);
}

.reset-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background-color: #dc3545;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: background-color 0.2s;
  white-space: nowrap;
}

.reset-btn:hover {
  background-color: #c82333;
}

.reset-btn:active {
  background-color: #bd2130;
}

.reset-btn svg {
  flex-shrink: 0;
}

/* モバイル対応 */
@media (max-width: 768px) {
  .reset-controls-fixed {
    bottom: 20px;
    left: 72px; /* 保存ボタン（48px）の右側に配置、gap: 8px */
    padding: 0;
    background: transparent;
    box-shadow: none;
  }

  .reset-btn {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
  }

  .reset-btn span {
    display: none;
  }

  .reset-btn svg {
    width: 20px;
    height: 20px;
  }
}