@charset "UTF-8";

/* ==========================================================================
   1. Design Tokens & Variables (Based on note Design System)
   ========================================================================== */
:root {
  /* Colors - Primary */
  --color-primary: #5ac8b8;

  /* Colors - Semantic */
  --color-success: #1e7b65;
  --color-danger: #b22323;
  --color-caution: #916626;
  --color-like: #d13e5c;

  /* Colors - Neutral */
  --color-gray-900: #08131a; /* Text Primary, CTA background */
  --color-gray-800: #202a30;
  --color-gray-700: #363f42;
  --color-gray-600: #5a656b;
  --color-gray-500: #7e888f;
  --color-gray-400: #9ca7ad;
  --color-gray-300: #aeb7bd;
  --color-gray-200: #c5ccd1;
  --color-gray-100: #dce0e3;
  --color-gray-50: #f5f8fa;  /* Background Secondary */

  /* Colors - Text */
  --color-text-primary: var(--color-gray-900);
  --color-text-secondary: rgba(8, 19, 26, 0.66);
  --color-text-invert: #ffffff;
  
  /* Colors - Surface & Border */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: var(--color-gray-50);
  --color-surface-normal: #ffffff;
  --color-border-default: rgba(8, 19, 26, 0.14);
  --color-border-strong: rgba(8, 19, 26, 0.22);
  --color-focus-ring: #292d9e;

  /* Typography */
  --font-family-base: "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Arial, "Noto Sans JP", Meiryo, sans-serif;
  --font-family-serif: "Hiragino Mincho ProN", "Hiragino Mincho Pro", HGSMinchoE, "Yu Mincho", YuMincho, "MS PMincho", serif;
  --font-family-code: SFMono-Regular, Consolas, Menlo, Courier, monospace;
  
  --line-height-body-top: 1.5;
  --line-height-body-article: 2.0;
  --letter-spacing-base: normal;
  --letter-spacing-heading: 0.04em;

  /* Spacing Scale (Tailwind default equivalent) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;

  /* Layout Widths */
  --container-max-width: 940px; /* Note Main Content Width */
  --article-max-width: 940px;   /* Adjusted to match container-max-width */
  --container-padding: 16px;

  /* Elevation */
  --elevation-1: 0px 1px 3px 1px rgba(0,0,0,0.14), 0px 1px 2px 0px rgba(0,0,0,0.22);
  --elevation-4: 0px 4px 8px 3px rgba(0,0,0,0.14), 0px 1px 3px 0px rgba(0,0,0,0.22);
  --elevation-6: 0px 6px 10px 4px rgba(0,0,0,0.14), 0px 2px 3px 0px rgba(0,0,0,0.22);

  /* Calendar Colors */
  --color-jpba: #4CAF50;
  --color-japa: #2196F3;
  --color-jpa: #f44336;
  --color-other: #9e9e9e;
}

/* ==========================================================================
   2. Reset & Base Styles
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-base);
  font-size: 16px; /* Base for top pages */
  line-height: var(--line-height-body-top);
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary); /* Note uses a slight off-white for main bg in some lists, or pure white */
  letter-spacing: var(--letter-spacing-base);
  word-wrap: break-word; /* Note specific */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-kerning: auto;
}

/* Base text elements */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-heading);
  font-feature-settings: "palt"; /* Note specific: only headings get palt */
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.7;
}

p {
  margin-top: 0;
  margin-bottom: var(--space-4);
  letter-spacing: var(--letter-spacing-base);
  font-feature-settings: normal;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

/* ==========================================================================
   3. Typography Hierarchy
   ========================================================================== */
/* Top Page Headings */
h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: var(--space-6);
}

h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.286;
  margin-bottom: var(--space-4);
}

h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: var(--space-2);
}

/* Article Page Typography */
.article-content p {
  font-size: 18px;
  line-height: var(--line-height-body-article);
  margin-bottom: var(--space-6);
}

/* ==========================================================================
   4. Layout Components
   ========================================================================== */
/* Container - 1 Column Layout */
.l-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.l-container--article {
  max-width: var(--article-max-width);
}

.l-main-content {
  width: 100%;
  padding-top: var(--space-8);
  padding-bottom: var(--space-16);
  min-height: 80vh;
}

/* Header */
.c-header {
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-default);
  height: 64px;
  display: flex;
  align-items: center;
}

.c-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.c-header__logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary); /* Note brand color */
  text-decoration: none;
  letter-spacing: normal;
}

.c-header__nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: var(--space-6);
}

.c-header__nav a {
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 14px;
}
.c-header__nav a:hover {
  color: var(--color-text-primary);
}

/* Footer */
.c-footer {
  background-color: var(--color-bg-primary);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border-default);
}

.c-footer__inner {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 12px;
}

/* ==========================================================================
   5. UI Components
   ========================================================================== */
/* Shop Header (Detail/Tournament/Recruit pages) */
.c-shop-header {
  margin-bottom: var(--space-8);
}

.c-shop-header__image {
  width: 100%;
  height: 300px;
  background-color: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  border-radius: 12px;
  margin-bottom: var(--space-6);
}

/* Shop Navigation Tabs */
.c-shop-nav {
  display: flex;
  gap: var(--space-4);
  border-bottom: 1px solid var(--color-border-default);
  margin-bottom: var(--space-8);
  overflow-x: auto;
}

.c-shop-nav__item {
  padding: var(--space-2) 0;
  color: var(--color-text-secondary);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
}

.c-shop-nav__item:hover {
  color: var(--color-gray-900);
  opacity: 1;
}

.c-shop-nav__item.is-active {
  color: var(--color-gray-900);
  border-bottom-color: var(--color-gray-900);
}

/* Shop Grid/Cards (Shops/Pickup pages) */
.c-pickup-hero {
  background-color: var(--color-gray-900);
  color: var(--color-text-invert);
  padding: var(--space-12) var(--space-4);
  text-align: center;
  border-radius: 16px;
  margin-bottom: var(--space-8);
}

.c-pickup-hero h1 {
  color: var(--color-text-invert);
  font-size: 32px;
  margin-bottom: var(--space-4);
}

.c-pickup-hero p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
  margin-bottom: 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.c-pickup-item {
  margin-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border-default);
  padding-bottom: var(--space-8);
}

.c-pickup-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.c-pickup-item__image {
  width: 100%;
  height: 350px;
  background-color: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  border-radius: 12px;
  margin-bottom: var(--space-6);
}

.c-pickup-item__title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.c-pickup-item__desc {
  font-size: 18px;
  line-height: var(--line-height-body-article);
  margin-bottom: var(--space-6);
}

.c-shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

.c-shop-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  overflow: hidden;
}

.c-shop-card__image {
  background-color: var(--color-gray-100);
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  font-size: 14px;
}

.c-shop-card__body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.c-shop-card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.c-shop-card__title a {
  color: var(--color-gray-900);
}

.c-shop-card__info {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  flex-grow: 1;
  line-height: 1.6;
}

/* Buttons */
.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: 9999px; /* Pill shape for some Note buttons, or moderate rounding */
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background-color 0.2s, opacity 0.2s;
  line-height: 1.5;
}

.c-btn:hover {
  opacity: 0.8;
  text-decoration: none;
}

.c-btn--primary {
  background-color: var(--color-gray-900);
  color: var(--color-text-invert);
}

.c-btn--primary:hover {
  background-color: var(--color-gray-800);
  color: var(--color-text-invert);
}

.c-btn--secondary {
  background-color: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-default);
}

.c-btn--secondary:hover {
  background-color: var(--color-bg-secondary);
}

/* Cards */
.c-card {
  background-color: var(--color-surface-normal);
  border: 1px solid var(--color-border-default);
  border-radius: 12px; /* Note uses 12px border radius */
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.c-card--hoverable:hover {
  box-shadow: var(--elevation-1);
}

.c-card--link {
  text-decoration: none !important;
}

.c-card--p-0 {
  padding: 0 !important;
}

.c-card--p-6 {
  padding: var(--space-6) !important;
}

.c-card--search {
  padding: var(--space-6);
  background-color: var(--color-bg-secondary);
  border: none;
}

/* Lists */
.c-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.c-list__item {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border-default);
}
.c-list__item:last-child {
  border-bottom: none;
}

/* Inputs */
.c-input {
  background-color: var(--color-bg-secondary);
  border: 1px solid transparent; /* Note often uses slightly gray bg for inputs */
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  height: 40px;
  width: 100%;
  font-family: var(--font-family-base);
  transition: border-color 0.2s, background-color 0.2s;
}

.c-input:focus {
  outline: none;
  background-color: var(--color-surface-normal);
  border-color: var(--color-focus-ring);
}

/* Labels/Badges */
.c-badge-japa {
  background-color: #2196F3;
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
}

.c-badge-jpba {
  background-color: #4CAF50;
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
}

.c-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-secondary);
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: var(--space-2);
  margin-bottom: var(--space-2);
}

.c-label--primary {
  color: var(--color-primary);
  background-color: rgba(90, 200, 184, 0.1);
}

/* Table */
.c-calendar-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  white-space: nowrap;
}

.c-calendar-table th,
.c-calendar-table td {
  border-bottom: 1px solid var(--color-border-default);
  padding: 12px 16px;
  text-align: left;
}

.c-calendar-table th {
  color: var(--color-text-secondary);
  font-weight: 600;
  background-color: var(--color-bg-secondary);
}

.c-calendar-table tr:hover td {
  background-color: var(--color-bg-secondary);
}

.c-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-4);
}

.c-table th,
.c-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-default);
  text-align: left;
}

.c-table th {
  font-weight: 600;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.c-table--scroll {
  display: block;
  overflow-x: auto;
}

.c-table th.u-w-30 {
  width: 30%;
}

/* Main Visual */
.c-main-visual {
  width: 100%;
  height: 300px; /* Not too tall */
  background: linear-gradient(135deg, #e0f2f1 0%, #b2dfdb 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  margin-bottom: var(--space-8);
  margin-top: var(--space-4);
  overflow: hidden;
  position: relative;
}

.c-main-visual__text {
  position: relative;
  z-index: 1;
  text-align: center;
}

.c-main-visual__title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.c-main-visual__subtitle {
  font-size: 18px;
  color: var(--color-gray-700);
}

/* Calendar Specific */
.calendar-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.current-month-year {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 0;
}

.btn-nav {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-default);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: background-color 0.2s;
}

.btn-nav:hover {
  background-color: var(--color-bg-secondary);
}

.btn-today {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-default);
  border-radius: 6px;
  padding: 4px 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.filters-container {
  margin-bottom: var(--space-6);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.filter-btn {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-default);
  border-radius: 9999px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  color: var(--color-text-primary);
  transition: all 0.2s ease;
}

@media (max-width: 480px) {
  .filter-btn {
    padding: 3px 10px;
    font-size: 12px;
  }
  .filters {
    gap: var(--space-1) var(--space-2);
  }
}

.filter-btn[data-org="JPBA"] { border-color: var(--color-jpba); color: var(--color-jpba); }
.filter-btn[data-org="JAPA"] { border-color: var(--color-japa); color: var(--color-japa); }
.filter-btn[data-org="JPA"] { border-color: var(--color-jpa); color: var(--color-jpa); }
.filter-btn[data-org="Other"] { border-color: var(--color-other); color: var(--color-other); }

.filter-btn.active {
  background-color: var(--color-gray-900);
  color: var(--color-text-invert);
  border-color: var(--color-gray-900);
}

.filter-btn.active[data-org="JPBA"] { background-color: var(--color-jpba); border-color: var(--color-jpba); }
.filter-btn.active[data-org="JAPA"] { background-color: var(--color-japa); border-color: var(--color-japa); }
.filter-btn.active[data-org="JPA"] { background-color: var(--color-jpa); border-color: var(--color-jpa); }
.filter-btn.active[data-org="Other"] { background-color: var(--color-other); border-color: var(--color-other); }

.calendar-wrapper {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-default);
  border-radius: 12px;
  overflow: hidden;
}

.calendar-days-header {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border-bottom: 1px solid var(--color-border-default);
  background-color: var(--color-bg-secondary);
}

.day-name {
  padding: 10px;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-secondary);
}

.day-name.sunday { color: var(--color-danger); }
.day-name.saturday { color: var(--color-japa); }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  grid-auto-rows: minmax(120px, auto);
  z-index: 1;
}

.calendar-cell {
  border-right: 1px solid var(--color-border-default);
  border-bottom: 1px solid var(--color-border-default);
  padding: 8px;
  min-height: 120px;
  background-color: var(--color-bg-primary);
  min-width: 0;
  /* overflow: hidden; */ /* 結合表示のためにオーバーフローを許可 */
  position: relative;
  transition: background-color 0.2s;
}

@media (max-width: 768px) {
  .calendar-cell {
    min-height: auto;
    padding: 12px 8px;
  }
}

.calendar-cell:nth-child(7n) {
  border-right: none;
}

.calendar-cell.other-month {
  background-color: var(--color-bg-secondary);
  color: var(--color-gray-400);
}

.calendar-cell.today {
  background-color: rgba(90, 200, 184, 0.1); /* 背景色を少し強める */
}

.calendar-cell.today .date-number {
  background-color: var(--color-primary);
  color: white !important;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-left: -4px;
  padding: 0;
}

.date-text-sp {
  margin-left: 4px;
}

@media (max-width: 768px) {
  .calendar-cell.today .date-number {
    width: auto;
    height: 24px;
    padding: 0 8px;
    border-radius: 12px;
    margin-left: 0;
  }
  .date-text-sp {
    margin-left: 0;
  }
}

.date-number {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  display: block;
}

.calendar-cell.sunday .date-number { color: var(--color-danger); }
.calendar-cell.saturday .date-number { color: var(--color-japa); }
.calendar-cell.other-month .date-number { color: inherit; }

.events-container {
  display: flex;
  flex-direction: column;
  gap: 2px;
  position: relative;
}

@media (max-width: 768px) {
  .calendar-cell.today {
    background-color: rgba(90, 200, 184, 0.1);
    border-left: 4px solid var(--color-primary); /* SP版で今日を強調 */
  }
}

/* PC表示でのイベントバーのグリッド制御 */
@media (min-width: 769px) {
  .calendar-grid {
    position: relative;
  }
  
  .events-container {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    grid-auto-flow: row;
    width: calc(700% + 7px); /* 7日分 + 境界線分をカバー */
    pointer-events: none; /* コンテナ自体はクリックを邪魔しない */
    z-index: 10;
    position: absolute; /* 絶対配置にしてセルからはみ出せるようにする */
    top: 36px; /* 日付数字の下に配置 */
    left: 0;
    padding: 0 4px;
    height: auto; /* autoに変更して中身のクリックを確実に受ける */
    overflow: visible;
  }

  .event-item {
    pointer-events: auto; /* イベント要素はクリック可能に */
    margin-bottom: 2px;
    position: relative; /* z-indexを効かせるため */
  }
}

.event-item {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 3px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: white;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 1px;
}

.event-item.event-start {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.event-item.event-continue-label {
  border-radius: 0;
}

.event-item.event-end {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.event-item.event-start.event-end {
  border-radius: 3px;
}

.event-item:hover {
  opacity: 0.9;
  filter: brightness(1.1);
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
  transform: translateY(-1px);
  z-index: 20;
}

.event-jpba { background-color: var(--color-jpba); }
.event-japa { background-color: var(--color-japa); }
.event-jpa  { background-color: var(--color-jpa); }
.event-other { background-color: var(--color-other); }

.event-entry {
  background-color: transparent;
  border: 1px solid var(--color-border-default);
  color: var(--color-text-primary);
  font-style: italic;
}

.org-badge-small {
  font-weight: 700;
  font-size: 9px;
  opacity: 0.8;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--color-bg-primary);
  border-radius: 12px;
  width: 100%;
  max-width: 500px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--elevation-6);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text-secondary);
}

.modal-header {
  padding: 24px 24px 12px;
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
  margin-top: 8px;
  margin-bottom: 0;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  color: white;
}

.modal-body {
  padding: 12px 24px 24px;
}

.modal-info-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 14px;
}

.modal-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 16px 0;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-default);
}

.modal-action {
  margin-top: 24px;
}

@media (max-width: 768px) {
  .calendar-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }
  .calendar-cell {
    min-height: auto;
    border-right: none;
  }
  .calendar-days-header {
    display: none;
  }
  .date-number {
    font-size: 16px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--color-border-default);
    margin-bottom: 8px;
  }
}

/* Utilities */
.u-article-meta {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.u-article-alert {
  background-color: var(--color-bg-secondary);
  border-left: 4px solid var(--color-caution);
  padding: var(--space-4);
  margin-bottom: var(--space-8);
  border-radius: 0 4px 4px 0;
}

.u-diff-block {
  background-color: var(--color-bg-secondary);
  padding: var(--space-4);
  border-radius: 8px;
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-border-default);
}

.u-diff-old {
  color: var(--color-danger);
  text-decoration: line-through;
  margin-bottom: var(--space-2);
}

.u-diff-new {
  color: var(--color-success);
  font-weight: 600;
}

.u-mb-0 { margin-bottom: 0 !important; }
.u-mb-2 { margin-bottom: var(--space-2) !important; }
.u-mb-4 { margin-bottom: var(--space-4) !important; }
.u-mb-6 { margin-bottom: var(--space-6) !important; }
.u-mb-8 { margin-bottom: var(--space-8) !important; }
.u-mt-0 { margin-top: 0 !important; }
.u-mt-4 { margin-top: var(--space-4) !important; }
.u-mt-8 { margin-top: var(--space-8) !important; }
.u-pt-0 { padding-top: 0 !important; }
.u-text-center { text-align: center !important; }
.u-text-secondary { color: var(--color-text-secondary) !important; }
.u-text-bold { font-weight: 700 !important; }
.u-text-semi-bold { font-weight: 600 !important; }
.u-font-size-12 { font-size: 12px !important; }
.u-font-size-14 { font-size: 14px !important; }
.u-font-size-16 { font-size: 16px !important; }
.u-font-size-18 { font-size: 18px !important; }
.u-font-size-20 { font-size: 20px !important; }
.u-w-200 { width: 200px !important; }
.u-w-300 { width: 300px !important; }
.u-w-30-pct { width: 30% !important; }
.u-overflow-x-auto { overflow-x: auto !important; }
.u-bg-white { background-color: white !important; }
.u-max-w-300 { max-width: 300px !important; }
.u-max-w-620 { max-width: var(--container-max-width) !important; }
.u-d-block { display: block !important; }
.u-d-inline-block { display: inline-block !important; }
.u-d-flex { display: flex !important; }
.u-flex-wrap { flex-wrap: wrap !important; }
.u-gap-2 { gap: var(--space-2) !important; }
.u-gap-3 { gap: var(--space-3) !important; }
.u-mt-auto { margin-top: auto !important; }
.u-mb-auto { margin-bottom: auto !important; }
.u-white-space-nowrap { white-space: nowrap !important; }
.u-white-space-normal { white-space: normal !important; }
.u-bg-danger { background-color: var(--color-danger) !important; }
.u-text-invert { color: var(--color-text-invert) !important; }
.u-flex-grow-1 { flex-grow: 1 !important; }
.u-w-full { width: 100% !important; }
.u-border-bottom-none { border-bottom: none !important; }
.u-border-top { border-top: 1px solid var(--color-border-default) !important; }
.u-mt-12 { margin-top: var(--space-12) !important; }
.u-pt-8 { padding-top: var(--space-8) !important; }
.u-mb-1 { margin-bottom: var(--space-1) !important; }

/* Hamburger Menu (Hidden on PC) */
.c-hamburger {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 24px;
  height: 20px;
  position: relative;
  z-index: 100;
  padding: 0;
}
.c-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-gray-900);
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
}
.c-hamburger span:nth-child(1) { top: 0; }
.c-hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.c-hamburger span:nth-child(3) { bottom: 0; }

/* Responsive Adjustments */
@media (max-width: 767px) {
  body {
    font-size: 14px;
  }
  
  /* Show hamburger on SP */
  .c-hamburger {
    display: block;
  }
  .c-hamburger.is-active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
  }
  .c-hamburger.is-active span:nth-child(2) {
    opacity: 0;
  }
  .c-hamburger.is-active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
  }

  /* Slide-in Navigation */
  .c-header__nav {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    height: calc(100vh - 64px);
    background-color: var(--color-bg-primary);
    padding: var(--space-6) var(--space-4);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 99;
    overflow-y: auto;
  }
  .c-header__nav.is-active {
    transform: translateX(0);
  }
  .c-header__nav ul {
    flex-direction: column;
    gap: 0;
  }
  .c-header__nav a {
    display: block;
    padding: var(--space-4) 0;
    font-size: 16px;
    border-bottom: 1px solid var(--color-border-default);
  }

  .c-main-visual {
    height: 200px;
  }

  .c-main-visual__title {
    font-size: 24px;
  }
}

/* Scroll Container */
.c-scroll-container {
  display: flex;
  overflow-x: auto;
  gap: var(--space-6);
  padding-bottom: var(--space-4);
  /* Hide scrollbar */
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-snap-type: x mandatory;
}

.c-scroll-container::-webkit-scrollbar {
  display: none;
}

.c-scroll-item {
  /* 幅は今の幅のまま(コンテナ内100%)を維持し、横スクロールさせる */
  flex: 0 0 100%;
  scroll-snap-align: start;
}

/* Card Scroll Container (for inner elements like news) */
.c-card-scroll {
  display: flex;
  overflow-x: auto;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.c-card-scroll::-webkit-scrollbar {
  display: none;
}
.c-card-scroll__item {
  flex: 0 0 280px;
  display: flex;
  flex-direction: column;
}
.c-card-scroll__item .c-card {
  height: 100%;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
}