/*HEAD LOGO,LOGIN BUTTON*/
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 98%;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background-color: #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); 
}

.logo img {
  height: 100px;
  width: auto;
  display: block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.login-btn{
	border: none;
	padding: 0 40px;
	height: 50px;
	line-height: 1;
	background: #8B4513;
	color: #fff;
	border-radius: 20px;
	font-size: 1em;
	cursor: pointer;
}
.login-btn:before{
	font-style: normal;
	font-variant: normal;
	text-rendering: auto;
	-webkit-font-smoothing: antialiased;
	font-family: "Font Awesome 5 Free"; 
	font-weight: 400;
	content: '\f058';
	margin-right: 5px;
}

.auth-menu {
  display: flex;
  align-items: center;
}

.user-name {
  margin-right: 0.5rem;   /* アイコンとの間隔 */
  font-size: 1.5rem;        /* 適度な文字サイズ */
  color: #333;            /* アイコンと揃える */
}

.user-icon {
  font-size: 3.5rem;      /* さらに大きく */
  margin-right: 2rem;     /* 右側に余白を追加 */
  cursor: pointer;
  color: #8B4513;
}

.user-dropdown {
  display: none;
  position: absolute;
  top: 120%; /* アイコンの下に表示 */
  right: 0;
  margin-right: 2rem;
  background-color: #fff;
  border: 1px solid #ccc;
  min-width: 150px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  z-index: 10;
  padding: 10px;
}

.user-dropdown a {
  display: block;
  padding: 8px;
  text-decoration: none;
  color: #333;
}

.user-dropdown a:hover {
  background-color: #f0f0f0;
}

/*HEAD LOGO,LOGIN BUTTON*/

/*SIDEBAR*/
.sidebar {
  position: fixed;
  top: 100px;
  left: 0;
  width: 220px;
  height: 100vh;
  background-color: #ffffff;
  color: #8B4513; /*サイドバー　メニューのこと*/
  padding: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.sidebar h2 {
  font-size: 30px;
  margin-bottom: 20px;
}

.sidebar ul {
  list-style: none;
  font-size: 20px;
  padding: 0;
}

.sidebar li {
  margin-bottom: 16px;
}

.sidebar a {
  color: #000000;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.sidebar a:hover{
  color: #00bcd4;
}

.menu-icon {
 font-size: 16px;
  color: #000000; 
}

/*SIDEBAR SNS*/

.sns-links ul {
  display: flex;           /* 横並びにする */
  justify-content: center; /* 中央揃えにす*/
  gap: 32px;               /* アイコンの間隔を調整す*/
  list-style: none;        /* リストの「・」を消す */
  padding: 0;
}

.sns-links li {
  display: inline-block;
}

.instagram-icon {
  font-size: 32px;    /*通常は16pxや*/ 
  color: #000000; 
}

.threads-icon {
  font-size: 32px;
  color: #000000; 
}

main {
  margin-top: 150px; /* ヘッダーの高さと同じにする */
  margin-left: 260px;
}

.layout-footer {
  background-color: #d3d3d3; /* 鼠色（ライトグレー系） */
  color: #000;  /* 黒文字 */
  text-align: center;
  padding: 80px;
  font-size: 18px;
  margin-top: 20px;
  border-top: 1px solid #aaa;
}

.layout-footer a {
  color: #000;
  text-decoration: none;
  margin: 0 8px;
}

/*LOGIN.PHP MAIN PAGE*/

.login-form {
  max-width: 400px;
  margin: 10px 250px 200px 250px;
  padding: 50px;
  border-radius: 10px;
  background-color: #f8f8f8;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  font-family: 'Segoe UI', sans-serif;
}

.login-form label {
  font-weight: bold;
  margin-bottom: 6px;
  display: block;
}

.login-form input {
  width: 100%;
  padding: 10px;
  margin-bottom: 16px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 14px;
}

.login-form button {
  width: 100%;
  padding: 12px;
  background-color: #8B4513;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s;
}

.login-form button:hover {
  background-color: #A0522D;
}

.login-form div {
  text-align: center;
  margin-top: 16px;
}

.login-form a {
  display: inline-block;
  color: #8B4513;
  font-size: 14px;
  text-decoration: none;
  margin: 6px 0;
  transition: color 0.3s;
}

.login-form a:hover {
  color: #A0522D;
  text-decoration: underline;
}
/*LOGIN.PHP MAIN PAGE*/

/*REGISTER.PHP MAIN PAGE*/

.register-form {
  max-width: 400px;
  margin: 10px 250px 200px 250px;
  padding: 50px 40px;
  border-radius: 10px;
  background-color: #f8f8f8;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  font-family: 'Segoe UI', sans-serif;
}

.register-form label {
  font-weight: bold;
  display: inline-block;
  width: 150px;         /* ラベルの横幅を固定 */
  margin-bottom: 6px;
  color: #333;
}

.register-form input {
  width: 100%;
  padding: 10px;
  margin-bottom: 16px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 14px;
  background-color: #fff;
  box-sizing: border-box;
}

.register-form input:focus {
  border-color: #8B4513;
  outline: none;
  box-shadow: 0 0 4px rgba(139, 69, 19, 0.3);
}

.register-form button {
  width: 100%;
  padding: 12px;
  background-color: #8B4513;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s;
}

.register-form button:hover {
  background-color: #A0522D;
}

.register-form div {
  margin-top: 20px;
  font-size: 14px;
  color: #444;
  text-align: center;
  line-height: 1.6;
}

.register-form a {
  color: #8B4513;
  text-decoration: none;
  margin: 0 4px;
  transition: color 0.3s;
}

.register-form a:hover {
  color: #A0522D;
  text-decoration: underline;
}

/*REGISTER.PHP MAIN PAGE*/

/*TERMS.HTML MAIN PAGE*/

body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', 'ヒラギノ角ゴ ProN', 'Noto Sans JP', sans-serif;
  background-color: #f9f9f9;
  color: #333;
  line-height: 1.8;
}

.container {
  max-width: 1000px;
  margin: 10px 250px 200px 250px;
  padding: 40px;
  background-color: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  border-radius: 10px;
}

h1 {
  font-size: 28px;
  color: #8B4513;
  border-bottom: 2px solid #ddd;
  padding-bottom: 12px;
}

h2 {
  font-size: 20px;
  color: #A0522D;
  margin-top: 40px;
  border-left: 6px solid #A0522D;
  padding-left: 12px;
}

p {
  margin-top: 20px;
  font-size: 15px;
}

@media screen and (max-width: 600px) {
  .container {
    padding: 20px;
  }

  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 18px;
  }

  p {
    font-size: 14px;
  }
}

/*TERMS.HTML MAIN PAGE*/

/*RESET-PASSWORD*/
    form {
      max-width: 400px;
  margin: 150px 300px 200px 500px;
  padding: 50px;
  border-radius: 10px;
  background-color: #f8f8f8;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  font-family: 'Segoe UI', sans-serif;
    }

    input[type="password"] {
      padding: 10px;
      width: 250px;
      margin-top: 10px;
      margin-bottom: 20px;
    }

    button {
      padding: 10px 20px;
      background-color: #8B4513;
      color: white;
      border: none;
      border-radius: 5px;
      cursor: pointer;
    }
    button:hover {
      background-color: #A0522D;
    }

/*USER-QUIt*/

    .btn {
      padding: 1rem 2rem;
      font-size: 1rem;
      margin-top: 2rem;
      background-color: #c00;
      color: white;
      border: none;
      cursor: pointer;
    }

/*success.php*/

.btn-group {
  display: flex;
  justify-content: center;
  gap: 20px; /* ボタン間の余白 */
  margin-top: 20px;
  margin-left: 20px;
}

.lgn-btn {
  background-color: #A0522D;               /* ← 旧#8B4513より少し薄め */
  color: #ffffff;
  padding: 18px 40px;
  border: 2px solid #8B4513;               /* ← 周りに薄い枠を追加（同系色） */
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  width: 260px;                            /* ← サイズを固定で統一化 */
  text-align: center;
}

.lgn-btn:hover {
  background-color: #85512B;               /* ← ホバー時にやや濃く変化 */
  border-color: #6A3D1F;
}

.message {
  margin-top: 30px;
  padding: 12px;
  background-color: #f4f4f4;
  border-left: 6px solid #A0522D;
  font-size: 14px;
  color: #333;
}

/*failed.php*/

.btn-gp {
  display: flex;
  justify-content: center;
  gap: 20px; /* ボタン間の余白 */
  margin-top: 20px;
  margin-left: 20px;
}

.lgn-btn2 {
  background-color: #A0522D;               /* ← 旧#8B4513より少し薄め */
  color: #ffffff;
  padding: 18px 40px;
  border: 2px solid #8B4513;               /* ← 周りに薄い枠を追加（同系色） */
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  width: 220px;                            /* ← サイズを固定で統一化 */
  text-align: center;
}

.lgn-btn2:hover {
  background-color: #85512B;               /* ← ホバー時にやや濃く変化 */
  border-color: #6A3D1F;
}

.message {
  margin-top: 30px;
  padding: 12px;
  background-color: #f4f4f4;
  border-left: 6px solid #A0522D;
  font-size: 14px;
  color: #333;
}

/*USERQUIT*/

.quit-h1 {
  text-align: center;
  font-size: 28px;
  color: #8B4513;
  border-bottom: 2px solid #ddd;
  padding-bottom: 12px;
}


.quit-p {
  text-align: center;
  margin-top: 20px;
  font-size: 15px;
}

.quit-btn {
      padding: 1rem 2rem;
      font-size: 1rem;
      margin-bottom: 1.5rem;
      background-color: #8B4513;
      color: white;
      border: none;
      cursor: pointer;
    }

.quit-div {
      text-align: center;
      margin: 10px 10px 5px 10px;
}

.quit-form {
  width: 200px; /* 横幅 */
  height: 150px; /* 高さ */
  max-width: 400px;
  margin: 120px 50px 160px 330px;
  padding: 50px;
  border-radius: 10px;
  background-color: #f8f8f8;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  font-family: 'Segoe UI', sans-serif;
    }

    /*confilm-code.php*/

  .confirm-form {
      max-width: 320px;
  margin: 150px 80px 200px 280px;
  padding: 50px;
  border-radius: 10px;
  background-color: #f8f8f8;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  font-family: 'Segoe UI', sans-serif;
    }

  .confirm-form input[type="password"] {
      padding: 10px;
      width: 250px;
      margin-top: 10px;
      margin-bottom: 20px;
    }