/* 全体のスタイル */
:root {
  --primary-color: #888888;
  --sub-color: #cccccc;
  --text-color: #333;
  --background-color: #fff;
  --white-color: #fff;
  --emergency-color: #ff2718;/* #ff4757 */
  --tel-color: #4CAF50;
  --border-color: #777777;
  --overlay-bg: rgba(0, 0, 0, 0.5);
  --toast-bg: rgba(140, 140, 140, 0.85);
  --shadow-light: rgba(0, 0, 0, 0.3);
  --header-color: #2c3e50;
  --muted-text: #666;
  --section-bg: #e9ecef;
  --warning-bg: #fff3cd;
  --warning-border: #ffc107;
  --warning-text: #856404;
  --gradient-primary: linear-gradient(135deg, #ff6b6b, #ff4757);
  --gradient-install-bg: linear-gradient(135deg, #fff5f5 0%, #ffe8e8 100%);
  --shadow-card: 0 20px 60px rgba(0,0,0,0.1);
  --shadow-icon: 0 10px 30px rgba(255, 107, 107, 0.3);
  --shadow-step: 0 2px 10px rgba(0,0,0,0.05);
  --shadow-btn: 0 4px 15px rgba(255, 71, 87, 0.3);
  --shadow-btn-hover: 0 6px 20px rgba(255, 71, 87, 0.4);
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size:16px;
  line-height:16px;
  margin: 0;
  padding: 0;
  color: var(--text-color);
  background-color: var(--background-color);
}

h1,h2,h3{
  font-size:1.0rem;
  line-height:1.0em;
  font-weight:normal;
}

button{
  background-color:var(--emergency-color);
  border:none;
  border-radius:10px;
  padding:10px;
  color:var(--white-color);
  font-size:1.0rem;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

button:disabled{
  opacity:0.4;
}

button.cancel, button.prev, button.emergency-close-btn, button.emergency-cancel-close{
  background-color:var(--primary-color);
}

button.tel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background-color: var(--tel-color);
}

button.tel span.material-icons {
  margin: 0;
  font-size: 1.2rem;
}

input[type=text]{
  width:100%;
  font-size:1.2rem;
  line-height:1.0rem;
  padding:10px;
  border-radius:5px;
  border:1px solid var(--border-color);
}

ul {
  list-style: none;
}

/* ユーティリティクラス */
.hidden {
  display: none !important;
}

.block {
  display: block !important;
}

/* ローディングオーバーレイ */
#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay-bg);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

/* トースト通知 */
#toast {
  position: fixed;
  width:calc(100% - 40px);
  bottom: 20px;
  left: 20px;
  background-color: var(--toast-bg);
  color: var(--white-color);
  padding: 12px 24px;
  border-radius: 9999px;
  z-index: 10000;
  text-align: center;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#toast.hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 5px solid var(--sub-color);
  border-top: 5px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.text_center{
  text-align:center;
}

.margin_bottom_10{
  margin-bottom:10px;
}

/* permit */
#permit {
  padding: 10px;
}

#permit>p{
  padding:20px 10px;
}

.section{
  width:calc(100% -20px);
  padding:10px;
  margin:10px 0 0 0;
  background-color: var(--sub-color);
  border-radius:10px;
  position: relative;
}

.section .title{
  font-size:1.2rem;
  font-weight:bold;
  margin:10px 0;
  color:var(--primary-color);
}

.section p{
  font-size:0.9rem;
}

.section button{
  width:100%;
  background-color:var(--primary-color);
  margin: 10px 0 0 0;
}

/* register */
#register {
  padding: 10px;
}

#register>p{
  padding:20px 10px;
}

#register button{
  width:100%;
  padding:10px 0;
  margin:10px 0 0 0;
  font-size:1.0rem;
  background-color:var(--primary-color);
}

/* main */

#app{
  width:100%;
  height:100vh;
}

.modal{
  display:none;
  position:fixed;
  top:50%;
  left:50%;
  transform:translate(-50%, -50%);
  width:calc(100% - 40px);
  max-width:400px;
  max-height:calc(100vh - 40px);
  overflow-y:auto;
  border-radius:10px;
  padding:20px;
  background-color:var(--white-color);
  z-index:1001;
  box-shadow:
    5px 5px 5px var(--shadow-light);
}

.modal.show {
  display: block !important;
}

.modal .title{
  display: flex;
  align-items: center;
  justify-content: center;
  text-align:center;
  margin:10px 0;
  font-size:1.2rem;
  color:var(--text-color);
}

.modal .title span.material-icons {
  vertical-align: middle;
  margin-right: 5px;
}

#display_number, #sender_add_name{
  margin:0 0 10px 0;
  padding:10px 20px;
  border-radius:10px;
  text-align:center;
  font-size:1.6rem;
  color:var(--text-color);
  background-color:var(--sub-color);
}

#cover{
  display:none;
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100vh;
  background-color:var(--shadow-light);
  z-index:1000;
}

#header{
  display:flex;
  justify-content: space-between;
  padding:10px 0;
}

#userName span{
  font-size:1.2rem;
}

#header H1{
  font-size:1.0rem;
  color:var(--text-color);
}

#main{
  width: 100%;
  height: 100vh;
  position: relative;
  overflow: hidden;
  padding: 10px;
  background-color: var(--white-color);
  box-sizing: border-box;
}

#buttons{
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 10px;
}

#buttons button.menu-item,
#buttons a.menu-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  width: 100%;
  background-color: var(--white-color);
  color: var(--text-color);
  border-radius: 0;
  padding: 14px 10px;
  gap: 14px;
  border-bottom: 1px solid var(--primary-color);
  text-align: left;
  font-size: 1rem;
  text-decoration: none;
  box-sizing: border-box;
}

#buttons button.menu-item:first-child,
#buttons a.menu-item:first-child {
  border-radius: 10px 10px 0 0;
  border-top: 1px solid var(--primary-color);
  border-left: 1px solid var(--primary-color);
  border-right: 1px solid var(--primary-color);
}

#buttons button.menu-item:last-child,
#buttons a.menu-item:last-child {
  border-radius: 0 0 10px 10px;
  border-left: 1px solid var(--primary-color);
  border-right: 1px solid var(--primary-color);
}

#buttons button.menu-item:not(:first-child):not(:last-child),
#buttons a.menu-item:not(:first-child):not(:last-child) {
  border-left: 1px solid var(--primary-color);
  border-right: 1px solid var(--primary-color);
}

.menu-icon {
  font-size: 1.6rem;
  color: var(--emergency-color);
  flex-shrink: 0;
}

.menu-text {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 3px;
}

.menu-title {
  font-size: 1.0rem;
  font-weight: bold;
  color: var(--text-color);
  line-height: 1.2;
}

.menu-desc {
  font-size: 0.8rem;
  color: var(--muted-text);
  line-height: 1.3;
}

.menu-arrow {
  font-size: 1.4rem;
  color: var(--sub-color);
  flex-shrink: 0;
}

#import_section {
  width: 100%;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.import-divider {
  font-size: 0.8rem;
  color: var(--muted-text);
  margin: 0 0 12px 0;
}

.import-note {
  font-size: 0.75rem;
  color: var(--warning-text);
  background-color: var(--warning-bg);
  border-left: 4px solid var(--warning-border);
  border-radius: 5px;
  padding: 8px 10px;
  margin: 0 0 12px 0;
  line-height: 1.4;
}

#import_label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 12px;
  border: 1.5px dashed var(--sub-color);
  border-radius: 10px;
  color: var(--sub-color);
  font-size: 0.9rem;
  cursor: pointer;
  box-sizing: border-box;
}

#import_label .material-icons {
  font-size: 1.3rem;
}

#import_file {
  display: none;
}

.modal .buttons{
  display:flex;
  gap:10px;
  width:100%;
  margin:10px 0 0 0;
}

.modal .buttons button{
  flex:1;
}

#tabs{
  display:flex;
  gap:0px;
  margin:10px 0 0 0;
}

.tab{
  flex:1;
  text-align:center;
  border:1px solid var(--primary-color);
  background-color:var(--primary-color);
  color:var(--white-color);
  border-radius:10px 10px 0 0;
  padding:15px 0;
}

.tab.active{
  border-bottom:1px solid var(--white-color);
  background-color:var(--white-color);
  color:var(--text-color);
  font-size:1.rem;
}

#list{
  height:200px;
  border-right:1px solid var(--primary-color);
  border-left:1px solid var(--primary-color);
  border-bottom:1px solid var(--primary-color);
  border-radius:0 0 10px 10px;
  overflow:scroll;
}

#list ul{
  padding:10px 10px 0;
}

#list li{
  display:flex;
  justify-content: space-between;
  align-items: center;
  padding:10px 20px;
  margin:0 0 10px 0;
  border-radius:10px;
  background-color:var(--sub-color);
  line-height:24px;
}

#list li span.material-icons{
  color:var(--primary-color);
}

.delete-icon-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}

.delete-icon-container .material-icons {
  color:var(--primary-color);
  margin-bottom: 0px;
}

.delete-text {
  font-size: 10px;
  color:var(--primary-color);
  font-weight: normal;
  line-height: 10px;
}

#emergency{
  position: static;
  width: 100%;
  height: 100%;
}

#emergency button{
  width: 100%;
  height: 100%;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--emergency-color);
  box-shadow: none;
  padding: 40px 20px;
  gap: 0;
  position: relative;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

#emergency button span.material-icons{
  display: block;
  width: auto;
  font-size: 6rem;
  margin-bottom: 30px;
  color: var(--white-color);
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

#emergency button p {
  color: var(--white-color);
  font-size: 1.05rem;
  line-height: 1.7;
  text-align: center;
  margin: 0 0 16px 0;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.emergency-label {
  display: none;
}

.emergency-label-large {
  display: none;
}

#settings_btn {
  position: fixed;
  top: 50px;
  right: 0;
  width: auto;
  height: auto;
  border-radius: 8px 0 0 8px;
  background-color: var(--white-color);
  color: var(--text-color);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  padding: 14px;
  z-index: 100;
  gap: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

#settings_btn span.material-icons {
  font-size: 1.3rem;
  color: var(--text-color);
}

.settings-label {
  font-size: 0.9rem;
  color: var(--text-color);
  line-height: 1;
}

#emergency_sent_modal .title{
  color:var(--emergency-color);
}

#emergency_sent_modal ul{
  max-height:300px;
  overflow:scroll;
  margin:0 0 10px 0;
}

#emergency_sent_modal li{
  display:flex;
  justify-content: space-between;
  padding:15px;
  margin:0 0 10px 0;
  border-radius:10px;
  background-color:var(--sub-color);
  line-height:24px;
}

.read_flag{
  font-size: 0.9rem;
}

.read{
  color:var(--tel-color);
}

.unread{
  color:var(--emergency-color);
}

#emergency_receive_modal{
  top:50% !important;
  left:50% !important;
  transform:translate(-50%, -50%) !important;
}

#emergency_receive_modal .title{
  color:var(--emergency-color);
}

#emergency_receive_modal button.tel {
  background-color: var(--emergency-color);
}

#emergency_close_confirm_modal .title{
  color:var(--emergency-color);
}

#emergency_receive_modal span#sent_user{
  display: block;
  width: 100%;
  padding:15px;
  margin: 0 0 10px 0;
  border-radius:10px;
  background-color:var(--sub-color);
  line-height:24px;
  text-align: center;
  font-size: 1.2rem;
}

#emergency_receive_modal iframe{
  width:100%;
  height:250px;
  margin:0 0 10px 0;
  border:none;
  border-radius:10px;
}

.modal p{
  line-height: 1.6;
  margin-bottom: 15px;
}

/* モーダル化されたインストール、許可、登録画面のスタイル */
#install_modal {
  top:50% !important;
  left:50% !important;
  transform:translate(-50%, -50%) !important;
  width:calc(100% - 40px);
  max-width:500px;
  height:auto;
  max-height:calc(100vh - 40px);
  overflow-y:auto;
}

#install_modal .install-content {
  max-width: none;
  margin: 0;
  background: transparent;
  box-shadow: none;
  padding: 0;
}

#permit_modal, #register_modal {
  top:50% !important;
  left:50% !important;
  transform:translate(-50%, -50%) !important;
  width:calc(100% - 40px);
  max-width:400px;
  height:auto;
  max-height:calc(100vh - 40px);
  overflow-y:auto;
}

#permit_modal .section, #register_modal .section {
  margin: 15px 0;
}

#register_modal input {
  margin: 15px 0;
  width: 100%;
}

#register_modal .buttons {
  margin-top: 20px;
}

/* インストール画面のスタイル */
#install {
  padding: 0 20px;
  text-align: center;
  background: var(--gradient-install-bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.install-content {
  max-width: 500px;
  margin: 0 auto;
  background: var(--white-color);
  border-radius: 20px;
  padding: 40px 30px;
  box-shadow: var(--shadow-card);
}

.install-hero {
  text-align: center;
  margin-bottom: 30px;
}

.install-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  overflow: hidden;
  margin: 0 auto 20px;
  box-shadow: 5px 5px 12px rgba(0, 0, 0, 0.12);
}

.install-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.install-content h2 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: var(--header-color);
  font-weight: 700;
}

.install-content > p, .install-hero p {
  margin-bottom: 25px;
  color: var(--muted-text);
  line-height: 1.6;
  font-size: 1rem;
}

.install-steps {
  text-align: left;
  margin-bottom: 30px;
}

.step-section {
  margin: 20px 0;
  padding: 20px;
  background-color: var(--section-bg);
  border-radius: 15px;
  display: block;
  box-shadow: var(--shadow-step);
}

.step-section.hidden {
  display: none !important;
}

.step-section h3 {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--header-color);
}

.step-section ol {
  margin-left: 20px;
}

.step-section li {
  margin-bottom: 8px;
  line-height: 1.6;
  color: #555;
}

.step-section strong {
  color: var(--emergency-color);
  font-weight: 600;
}

.primary-btn {
  background: var(--gradient-primary);
  color: var(--white-color);
  padding: 15px 30px;
  border: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-btn);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-btn-hover);
}

.secondary-btn {
  background: transparent;
  color: var(--emergency-color);
  padding: 15px 30px;
  border: 2px solid var(--emergency-color);
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.secondary-btn:hover {
  background: var(--emergency-color);
  color: var(--white-color);
}

.install-note {
  padding: 10px;
  background-color: var(--warning-bg);
  border-radius: 5px;
  border-left: 4px solid var(--warning-border);
}

.install-note p {
  margin: 0;
  color: var(--warning-text);
}

/* バージョン情報表示 */
.version-info {
  position: fixed;
  bottom: 5px;
  right: 5px;
  font-size: 0.7rem;
  color: #888;
  background: rgba(255, 255, 255, 0.9);
  padding: 2px 6px;
  border-radius: 3px;
  z-index: 999;
  user-select: none;
  cursor: pointer;
}

.version-info:hover {
  background: rgba(255, 255, 255, 1);
  color: #555;
}

/* 設定画面 */
#settings {
  display: none;
  height: 100vh;
  overflow: hidden;
  flex-direction: column;
}

#settings.active {
  display: flex;
}

#settings_header {
  display: flex;
  align-items: center;
  padding: 10px;
  gap: 10px;
  flex-shrink: 0;
}

#settings_header #back_btn {
  background: var(--primary-color);
  padding: 0;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

#settings_header #back_btn span.material-icons {
  font-size: 1.3rem;
}

#settings_header #userName {
  flex: 1;
  font-size: 1.0rem;
}

#settings_header h1 {
  font-size: 1.1rem;
  color: var(--text-color);
}

#settings > #buttons {
  padding: 0 10px;
  flex-shrink: 0;
}

#settings > #tabs {
  margin: 10px 10px 0;
  flex-shrink: 0;
}

#settings > #list {
  margin: 0 10px 10px;
  flex: 1;
  height: auto;
  overflow-y: auto;
}

/* ========================================
   一般通知モーダル (info-style)
   緊急通知とは全く異なるデザイン
   ======================================== */
.general-info-modal {
  background: linear-gradient(160deg, #fffdf0 0%, #ffffff 40%, #fffef5 100%) !important;
  border: 1px solid rgba(220, 190, 100, 0.25);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.08),
    0 2px 8px rgba(200, 170, 50, 0.12) !important;
  border-radius: 20px !important;
  text-align: center;
  padding: 32px 24px 24px !important;
}

.general-info-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, #f5c842 0%, #e6a800 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(200, 160, 0, 0.3);
}

.general-info-icon .material-icons {
  font-size: 32px;
  color: #ffffff;
}

.general-info-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: #2c3e50;
  margin: 0 0 12px;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.general-info-divider {
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, #f5c842, #fce38a);
  border-radius: 2px;
  margin: 0 auto 16px;
}

.general-info-body {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.8;
  margin: 0 0 8px;
  white-space: pre-wrap;
  word-break: break-word;
  text-align: left;
}

.general-info-link {
  display: block;
  text-align: left;
  margin-bottom: 16px;
  color: var(--primary-color, #1a73e8);
  font-size: 0.95rem;
  text-decoration: underline;
}

#general_notification_modal .buttons {
  flex-direction: column;
}

.general-link-btn {
  display: block;
  width: 100%;
  background: linear-gradient(135deg, #f5c842 0%, #e6a800 100%) !important;
  color: #333 !important;
  border-radius: 24px !important;
  padding: 10px 20px !important;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  box-shadow: 0 2px 8px rgba(200, 160, 0, 0.3);
  cursor: pointer;
  text-align: center;
  border: none;
  word-break: break-word;
  white-space: normal;
  line-height: 1.4;
}

.general-close-btn {
  background: linear-gradient(135deg, #7f8c8d 0%, #95a5a6 100%) !important;
  border-radius: 24px !important;
  padding: 10px 32px !important;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* ========================================
   オフライン画面（実行中の通信切断検知）
   ======================================== */
#offline-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #ffffff;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.offline-card {
  text-align: center;
  max-width: 420px;
  width: 100%;
}

.offline-icon {
  width: 96px;
  height: 96px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: #f2f2f2;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
}

.offline-icon svg {
  display: block;
}

.offline-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-color);
  margin-bottom: 16px;
}

.offline-message {
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted-text);
  margin-bottom: 28px;
}

.offline-retry-btn {
  display: inline-block;
  background: var(--primary-color);
  color: #ffffff;
  border: none;
  border-radius: 24px;
  padding: 14px 48px;
  font-size: 16px;
  cursor: pointer;
}