/* ========== CSS変数定義 ========== */
:root {
  /* カラー */
  --bg-gradient-start: #f5f7fa;
  --bg-gradient-end: #e8eef5;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-header: rgba(255, 255, 255, 0.9);
  --bg-modal: linear-gradient(135deg, #ffffff 0%, #f5f7fa 100%);

  --text-primary: #2c3e50;
  --text-secondary: #5a6c7d;
  --text-tertiary: #7b8fa3;
  --text-textmotion:#4a90e2;

  --accent-primary: #2478d7;
  --accent-secondary: #968efc;

  --border-color: #e1e8ed;
  --border-accent: #448ee4;

  --shadow-color: rgba(74, 144, 226, 0.2);
  --shadow-hover: rgba(74, 144, 226, 0.3);
  --glow-color: rgba(74, 144, 226, 0.15);

  --line-gradient: linear-gradient(90deg, transparent, #4a90e2, transparent);
  --accent-gradient: linear-gradient(135deg, #4a90e2, #a29bfe);

  --toggle-hover: 0 0 15px rgba(51, 42, 174, 0.9),inset 0 0 10px rgba(107, 106, 106, 0.3);

  /* ネオン・サイバー効果 */
  --neon-glow: 0 0 10px var(--shadow-color), 0 0 25px var(--glow-color);
  --cyber-grid: linear-gradient(rgba(74,144,226,0.06) 1px, transparent 1px),
                linear-gradient(90deg, rgba(74,144,226,0.06) 1px, transparent 1px);

  /* フィルター */
  --skill-icon-only-filter1: grayscale(30%);
  --skill-icon-only-filter2: grayscale(0%);


  /* トランジション設定 */
  --transition-speed: 0.8s;
  --transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
}

:root.night-theme {
  /* カラー */
  --bg-gradient-start: #222532;
  --bg-gradient-end: #0f1116;
  --bg-card: rgba(30, 35, 50, 0.8);
  --bg-header: rgba(20, 25, 35, 0.9);
  --bg-modal: linear-gradient(135deg, #1e2332 0%, #1a1d29 100%);

  --text-primary: #e8e9eb;
  --text-secondary: #b8c5d6;
  --text-tertiary: #a3b5c7;
  --text-textmotion:#a2c7ff;

  --accent-primary: #94C4FF;
  --accent-secondary: #beb7fd;

  --border-color: #2a3040;
  --border-accent: #5ba3ff;

  --shadow-color: rgba(128, 183, 255, 0.15);
  --shadow-hover: rgba(112, 159, 222, 0.25);
  --glow-color: rgba(91, 163, 255, 0.1);

  --line-gradient: linear-gradient(90deg, transparent, #5ba3ff, transparent);
  --accent-gradient: linear-gradient(135deg, #5ba3ff, #b5adff);

  --toggle-hover: 0 0 15px rgba(175, 169, 255, 0.9),inset 0 0 10px rgba(226, 226, 226, 0.3);

  /* ネオン・サイバー効果 */
  --neon-glow: 0 0 10px var(--shadow-color), 0 0 30px var(--glow-color);
  --cyber-grid: linear-gradient(rgba(91,163,255,0.07) 1px, transparent 1px),
                linear-gradient(90deg, rgba(91,163,255,0.07) 1px, transparent 1px);

    /* フィルター */
  --skill-icon-only-filter1: grayscale(30%) invert(1);
  --skill-icon-only-filter2: grayscale(0%) invert(1);
}

/* ========== 基本設定 ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  position: relative;
  color: var(--text-primary);
  overflow-x: hidden;
  transition: color var(--transition-speed) var(--transition-easing);
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(135deg, #f5f7fa 0%, #e8eef5 100%),
                    linear-gradient(rgba(74,144,226,0.06) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(74,144,226,0.06) 1px, transparent 1px);
  background-size: 100% 100%, 60px 60px, 60px 60px;
  background-color: #f5f7fa;
  z-index: -2;
  opacity: 1;
  transition: opacity var(--transition-speed) var(--transition-easing);
}

body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(135deg, #1a1d29 0%, #0f1116 100%),
                    linear-gradient(rgba(91,163,255,0.07) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(91,163,255,0.07) 1px, transparent 1px);
  background-size: 100% 100%, 60px 60px, 60px 60px;
  background-color: #0f1116;
  z-index: -2;
  opacity: 0;
  transition: opacity var(--transition-speed) var(--transition-easing);
}

:root.night-theme body::before {
  opacity: 0;
}

:root.night-theme body::after {
  opacity: 1;
}

/* ========== 共通要素 ========== */
.section {
  position: relative;
  padding: 5rem 5%;
  z-index: 10;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

.section-title {
  font-size: 3rem;
  color: var(--accent-primary);
  letter-spacing: 5px;
  margin-bottom: 3rem;
  text-transform: uppercase;
  position: relative;
  display: inline-block;
  text-shadow: var(--neon-glow);
  transition: color var(--transition-speed) var(--transition-easing),
              text-shadow var(--transition-speed) var(--transition-easing);
}

.section-title::before {
  content: '// ';
  font-size: 1.2rem;
  color: var(--accent-secondary);
  letter-spacing: 2px;
  opacity: 0.7;
  transition: color var(--transition-speed) var(--transition-easing);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60%;
  height: 3px;
  background: var(--accent-gradient);
  transition: background var(--transition-speed) var(--transition-easing);
}

/* ========== 固定背景装飾 ========== */
.decorative-lines,
.dots-pattern,
.geometric-shape,
.barcode {
  position: fixed;
  pointer-events: none;
  z-index: 1;
  transition: opacity var(--transition-speed) var(--transition-easing);
}

.decorative-lines {
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.3;
}

.line {
  position: absolute;
  background: var(--line-gradient);
  height: 1px;
  transition: background var(--transition-speed) var(--transition-easing);
}

.line:nth-child(1) { top: 15%; width: 40%; left: 0; }
.line:nth-child(2) { top: 35%; width: 60%; right: 0; }
.line:nth-child(3) { top: 65%; width: 50%; left: 10%; }
.line:nth-child(4) { top: 85%; width: 45%; right: 5%; }

.dots-pattern {
  width: 100%;
  height: 100%;
  opacity: 0.15;
  background-image: radial-gradient(circle, var(--accent-primary) 1px, transparent 1px);
  background-size: 30px 30px;
  transition: background-image var(--transition-speed) var(--transition-easing);
}

.geometric-shape {
  border: 2px solid var(--accent-primary);
  opacity: 0.2;
  transition: border-color var(--transition-speed) var(--transition-easing);
}

.shape-1 { top: 10%; right: 10%; width: 100px; height: 100px; transform: rotate(45deg); }
.shape-2 { bottom: 15%; left: 5%; width: 150px; height: 150px; border-radius: 50%; }
.shape-3 { top: 50%; right: 5%; width: 80px; height: 80px; clip-path: polygon(50% 0%, 0% 100%, 100% 100%); }

.barcode {
  top: 20px;
  left: 20px;
  width: 100px;
  height: 60px;
  background: repeating-linear-gradient(90deg, var(--accent-primary) 0px, var(--accent-primary) 2px, transparent 2px, transparent 5px);
  opacity: 0.3;
  transition: background var(--transition-speed) var(--transition-easing);
}

/* ========== ヘッダー ========== */
header {
  position: sticky;
  top: 0;
  padding: 2rem 5%;
  background: var(--bg-header);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--border-accent);
  box-shadow: 0 2px 30px var(--shadow-color);
  z-index: 100;
  transition: background var(--transition-speed) var(--transition-easing),
              border-color var(--transition-speed) var(--transition-easing),
              box-shadow var(--transition-speed) var(--transition-easing);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-primary);
  letter-spacing: 3px;
  text-transform: uppercase;
  transition: color var(--transition-speed) var(--transition-easing);
  z-index: 102;
}

a.logo {
  text-decoration: none;
  color: var(--accent-primary);
}

a.logo:hover {
  color: var(--accent-secondary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
  transition: color 0.3s;
  position: relative;
}

.nav-links a:hover { 
  color: var(--accent-primary); 
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width 0.3s, background var(--transition-speed) var(--transition-easing);
}

.nav-links a:hover::after { width: 100%; }

/* ========== ハンバーガーメニュー ========== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 102;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========== 共通カードスタイル ========== */
.skill-item,
.highlight-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 2px solid var(--border-color);
  padding: 2rem;
  transition: background var(--transition-speed) var(--transition-easing),
              border-color var(--transition-speed) var(--transition-easing),
              transform 0.3s ease;
}

.project-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 2px solid var(--border-color);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 0.3s ease,
              box-shadow 0.3s ease,
              background var(--transition-speed) var(--transition-easing),
              border-color var(--transition-speed) var(--transition-easing);
}

.project-summary {
    color: var(--text-secondary);
    line-height: 1.6;
    transition: color var(--transition-speed) var(--transition-easing);
}

.project-detail-link {
    color: var(--accent-primary);
    margin-top: 1rem;
    font-size: 0.9rem;
    text-align: right;
    transition: color var(--transition-speed) var(--transition-easing);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--accent-gradient);
  transition: height 0.3s, background var(--transition-speed) var(--transition-easing);
}

.project-card::after {
  content: '';
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 14px;
  height: 14px;
  border-right: 2px solid var(--accent-primary);
  border-bottom: 2px solid var(--accent-primary);
  opacity: 0.35;
  transition: opacity 0.3s, border-color var(--transition-speed) var(--transition-easing);
}

.project-card:hover::after {
  opacity: 0.9;
}

.project-card:hover::before { height: 100%; }

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-accent);
  box-shadow: 0 10px 30px var(--shadow-hover);
}

.skill-item,
.highlight-card {
  border-left: 4px solid var(--accent-primary);
}

.skill-item:hover,
.highlight-card:hover {
  background: var(--glow-color);
  transform: translateX(7px);
}

.highlight-card:hover { 
  transform: translateX(10px); 
  border-left-color: var(--accent-secondary); 
}

/* ========== タイトル・テキスト共通 ========== */
.project-title,
.skill-name {
  color: var(--text-primary);
  letter-spacing: 2px;
  transition: color var(--transition-speed) var(--transition-easing);
}

.highlight-title {
  color: var(--accent-primary);
  letter-spacing: 2px;
  transition: color var(--transition-speed) var(--transition-easing);
}

.project-title { font-size: 1.5rem; margin-bottom: 1rem; }
.skill-name { font-size: 1.1rem; font-weight: bold; margin-bottom: 0.5rem; letter-spacing: 1px; }
.highlight-title { font-size: 1.1rem; margin-bottom: 0.8rem; }

/* ========== タグ共通 ========== */
.project-tech,
.skills-tags,
.skills-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tech-tag {
  padding: 0.3rem 0.8rem;
  background: var(--accent-gradient);
  color: white;
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: background var(--transition-speed) var(--transition-easing);
}

/* ========== グリッド ========== */
.project-grid,
.skills-grid {
  display: grid;
  gap: 2rem;
  margin-top: 3rem;
}

.project-grid { grid-template-columns: repeat(auto-fill, minmax(clamp(200px, 30vw, 350px), 1fr)); justify-content: center; }
.skills-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }

.highlight-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.highlight-text {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
  transition: color var(--transition-speed) var(--transition-easing);
}

/* ========== モーダル ========== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  z-index: 9999;
  padding: 2rem;
  overflow-y: auto;
}

.modal.active {
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: var(--bg-modal);
  border: 2px solid var(--border-accent);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 60px var(--shadow-hover);
  animation: modal-slide-in 0.3s ease-out;
  transition: background var(--transition-speed) var(--transition-easing),
            border-color var(--transition-speed) var(--transition-easing);
}

@keyframes modal-slide-in {
  from { opacity: 0; transform: translateY(-50px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-header {
  background: var(--accent-gradient);
  color: white;
  padding: 2rem;
  position: relative;
  transition: background var(--transition-speed) var(--transition-easing);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid white;
  color: white;
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}

.modal-title {
  font-size: 2rem;
  letter-spacing: 3px;
  margin-bottom: 0.5rem;
}

.modal-subtitle {
  font-size: 0.9rem;
  letter-spacing: 2px;
  opacity: 0.9;
}

.modal-body {
  padding: 2rem;
  background: var(--bg-card);
  transition: color var(--transition-speed) var(--transition-easing),
                background var(--transition-speed) var(--transition-easing),
                border-color var(--transition-speed) var(--transition-easing);
}

.modal-section { margin-bottom: 2rem; }

.modal-section-title {
  font-size: 1.2rem;
  color: var(--accent-primary);
  letter-spacing: 2px;
  margin-bottom: 1rem;
  text-transform: uppercase;
  border-left: 4px solid var(--accent-primary);
  padding-left: 1rem;
  transition: color var(--transition-speed) var(--transition-easing),
              border-color var(--transition-speed) var(--transition-easing);
}

.modal-text {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
  transition: color var(--transition-speed) var(--transition-easing);
}

.modal-list {
  list-style: none;
  padding-left: 0;
}

.modal-list li {
  color: var(--text-secondary);
  padding: 0.5rem 0 0.5rem 1.5rem;
  position: relative;
  transition: color var(--transition-speed) var(--transition-easing);
}

.modal-list li::before {
  content: '▸';
  color: var(--accent-primary);
  position: absolute;
  left: 0;
  transition: color var(--transition-speed) var(--transition-easing);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== 円形画像共通 ========== */
.circular-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 3px solid var(--accent-primary);
  box-shadow: 0 0 30px var(--shadow-color), 0 0 20px var(--shadow-hover);
  border-radius: 50%;
  transition: border-color var(--transition-speed) var(--transition-easing),
              box-shadow var(--transition-speed) var(--transition-easing);
}

.circular-image-ring::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--accent-secondary);
  border-radius: 50%;
  z-index: -1;
  pointer-events: none;
  transition: border-color var(--transition-speed) var(--transition-easing);
}

/* ========== ユーティリティ ========== */
.hero-description {
  font-size: 1rem;
  color: var(--text-tertiary);
  letter-spacing: 2px;
  margin-top: 1rem;
  transition: color var(--transition-speed) var(--transition-easing);
}

.skill-description {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  transition: color var(--transition-speed) var(--transition-easing);
}

.footer-text {
  color: var(--text-tertiary);
  letter-spacing: 2px;
  font-size: 0.9rem;
  transition: color var(--transition-speed) var(--transition-easing);
}

.footer-copyright {
  color: var(--text-tertiary);
  margin-top: 1rem;
  font-size: 0.8rem;
  transition: color var(--transition-speed) var(--transition-easing);
}

.footer-email {
  color: var(--accent-primary);
  transition: color var(--transition-speed) var(--transition-easing);
}

/* ========== フッター ========== */
footer {
  background: var(--bg-header);
  backdrop-filter: blur(10px);
  border-top: 2px solid var(--border-accent);
  padding: 2rem 5%;
  text-align: center;
  position: relative;
  z-index: 10;
  transition: background var(--transition-speed) var(--transition-easing),
              border-color var(--transition-speed) var(--transition-easing);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid #a29bfe;
  background: radial-gradient(circle, rgba(162,155,254,0.3), rgba(0,0,0,0.7));
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow:
    0 0 10px rgba(162,155,254,0.6),
    inset 0 0 8px rgba(255,255,255,0.2);
  transition: transform 0.3s, box-shadow 0.3s;
  flex-shrink: 0;
  position: relative;
}

.theme-toggle:hover {
  transform: scale(1.15) rotate(15deg);
  box-shadow: var(--toggle-hover);
}

.theme-toggle .icon {
  position: absolute;
  font-size: 1.1rem;
  transition: opacity 0.4s, transform 0.4s;
}

.theme-toggle .sun {
  opacity: 1;
}

.theme-toggle .moon {
  opacity: 0;
}

.theme-toggle.night .sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

.theme-toggle.night .moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.project-media {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--glow-color);
    position: relative;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.project-media img,
.project-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.project-card:hover .project-media img,
.project-card:hover .project-media video {
    transform: scale(1.05);
}

.project-tech {
    margin-top: 1rem;
    margin-bottom: 1rem;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .project-media {
        height: 180px;
    }
}

@media (max-width: 480px) {
    .project-media {
        height: 150px;
    }
}


/* ========== VIEW ALL ボタン ========== */
.view-all-container {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

.view-all-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 2.5rem;
  background: transparent;
  border: 2px solid var(--accent-primary);
  color: var(--accent-primary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  transition: color 0.3s ease, border-color var(--transition-speed) var(--transition-easing);
}

.view-all-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-gradient);
  transform: translateX(-100%);
  transition: transform 0.3s ease, background var(--transition-speed) var(--transition-easing);
}

.view-all-btn:hover {
  color: white;
}

.view-all-btn:hover::before {
  transform: translateX(0);
}

.view-all-btn span,
.view-all-btn .btn-arrow {
  position: relative;
  z-index: 1;
}

/* ========== ページネーション ========== */
.pagination-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
}

.pagination-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.pagination-btn {
    padding: 0.8rem 1.5rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination-btn.prev::before {
    content: '← ';
}

.pagination-btn.next::after {
    content: ' →';
}

.pagination-info {
    padding: 0.8rem 1.5rem;
    background: var(--glow-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: all var(--transition-speed) var(--transition-easing);
}

/* プロジェクトカードの初期状態（非表示） */
.project-card.hidden {
    display: none;
}

/* ページ切り替えアニメーション */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-card.active {
    animation: fade-in-up 0.5s ease-out;
}

/* ========== ソートUI ========== */
.sort-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.sort-label {
    font-size: 0.75rem;
    color: var(--accent-primary);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 600;
    transition: color var(--transition-speed) var(--transition-easing);
}

.sort-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.sort-select {
    padding: 0.5rem 0.8rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.85rem;
    letter-spacing: 1px;
    cursor: pointer;
    outline: none;
    transition: border-color 0.3s ease,
                background var(--transition-speed) var(--transition-easing),
                color var(--transition-speed) var(--transition-easing);
}

.sort-select:focus,
.sort-select:hover {
    border-color: var(--accent-primary);
}

.sort-order-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.85rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease,
                background var(--transition-speed) var(--transition-easing),
                color var(--transition-speed) var(--transition-easing);
}

.sort-order-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

@media (max-width: 480px) {
    .sort-container {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .pagination-btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }

    .pagination-info {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }
}