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

html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

body {
    font-family: Arial, sans-serif;
    color: #343a40;
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

:root{
  --pn-green: #34C881;
  --pn-white: #ffffff;
  --pn-header-height: 72px;
}

@media (max-width: 576px) {
  :root{
    --pn-header-height: 60px;
  }
}
@media (min-width: 577px) and (max-width: 991px) {
  :root{
    --pn-header-height: 68px;
  }
}
@media (min-width: 992px) {
  :root{
    --pn-header-height: 76px;
  }
}

.pn-body{
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--pn-green);
  padding-top: 0;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

.pn-has-fixed-header{
  padding-top: var(--pn-header-height);
}

.pn-header{
  width: 100%;
  background: var(--pn-white);
  padding: 14px 0;
}

.pn-header-inner{
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.pn-logo{
  height: 44px;
  width: auto;
  display: block;
}

.pn-main{
  flex: 1;
  margin-top: 24px;
  margin-bottom: 24px;
}

.pn-footer{
  width: 100%;
  background: var(--pn-green);
  color: #fff;
  padding: 14px 0 32px;
}

.pn-footer-inner{
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  text-align: center;
  font-size: 20px;
}

header {
    width: 100%;
    background-color: white;
    text-align: center;
    padding: 0;              /* ← 上の余白はゼロのまま */
    margin: 0 0 24px;        /* ← 下だけ 24px 余白を作る（お好みで 16〜32px に調整可） */
    font-size: 1.5rem;
    font-weight: bold;
    border-bottom: none;     /* ヘッダー下の白線を削除 */
}

/* — ヘッダーの縦パディングを増やして高さを大きく — */
header .navbar {
    padding-top: clamp(0.35rem, 1.2vw, 0.9rem);
    padding-bottom: clamp(0.35rem, 1.2vw, 0.9rem);
}

/* — ブランド名（パワーネクストオンラインでんき） — */
header .navbar-brand {
    font-size: clamp(0.9rem, 2.2vw, 1.15rem);
    font-weight: bold;
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem;
}

/* ヘッダーロゴ用スタイル */
header .navbar-brand img {
    background: white !important;
    padding: clamp(2px, 0.8vw, 6px) clamp(4px, 1.2vw, 10px) !important;
    border-radius: clamp(6px, 1vw, 10px) !important;
    max-width: 100% !important;
    width: auto !important;
    height: clamp(22px, 3.2vw, 35px) !important;
}

/* スマホ用：ロゴを小さくする */
@media (max-width: 576px) {
    header .navbar-brand img {
        height: 22px !important;
        padding: 2px 6px !important;
    }

    header .navbar-brand {
        font-size: 0.95rem !important;
    }

    .pn-step-circle{
        width: 48px;
        height: 48px;
        font-size: 20px;
    }

    .pn-step-label{
        font-size: 12px;
        margin-top: 8px;
    }

    .pn-step-item:not(:last-child)::after{
        top: 24px;
        left: calc(50% + 24px);
        right: calc(-50% + 24px);
    }
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 85vh;
    padding: 40px 20px 20px;  /* ← 上だけ40pxにしてヘッダーとの余白を増やす */
}

.content-box {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.15);
    max-width: 1000px; /* フォームをさらに広く */
    width: 100%;
}

h1, h2, h3 {
    margin-bottom: 20px;
    color: #343a40;
    text-align: center;
}

p {
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 1.1em;
    text-decoration: none;
    color: #fff;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    text-align: center;
}

.btn:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: #6c757d;
}

.btn-warning {
    background-color: #ffc107;
    color: #000;
}

.error-message {
    color: red;
    margin-top: 10px;
}

.success-message {
    color: green;
    margin-top: 10px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 1.2em;
    margin-bottom: 5px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    font-size: 1.1em;
    border: 1px solid #ced4da;
    border-radius: 5px;
}

.title-bar {
    background-color: #f0f0f0;
    border-left: 5px solid #007BFF;
    padding: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-size: 1.3em;
    font-weight: bold;
    text-align: left;
    margin-top: 20px;
}

.scroll-box {
    border: 1px solid #ccc;
    height: 450px; /* 高さをさらに増やす */
    width: 100%;
    overflow-y: scroll;
    padding: 15px;
    margin-top: 10px;
    text-align: left;
}

/* チェックボックスとテキストを横並びに */
.form-check {
    display: flex;
    align-items: center;
}

.form-check input {
    margin-right: 10px;
    width: 20px;
    height: 20px;
}

/* — ログアウトボタン全体を大きく — */
.logout-btn {
    padding: 8px 20px !important;    /* 縦8px×横20px */
    font-size: 2.0rem !important;   /* 1.2rem → 1.25rem にアップ */
    line-height: 1.5 !important;
}

.pn-step-indicator {
    margin: 20px auto 32px;
    max-width: 1000px;
    width: 100%;
    padding: 0 10px;
    font-size: 18px;
    color: #ffffff;
    box-sizing: border-box;
}

.pn-step-caption {
    text-align: left;
    margin-bottom: 6px;
    font-weight: 700;
    font-size: 1.1em;
}

.pn-step-caption-strong {
    font-size: 1.35em;
}

/* ステップ本体 */
.pn-step-list{
  list-style: none;
  padding: 10px 0; /* 上下にpaddingを追加してbox-shadowが欠けないように */
  margin: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  max-width: 100%;
  overflow-x: hidden;
  overflow-y: visible; /* box-shadowが欠けないように */
}

/* 各ステップ */
.pn-step-item{
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: visible; /* box-shadowが欠けないように */
}

/* 丸（デフォルト：白） */
.pn-step-circle{
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: #ffffff;
  color: var(--pn-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 24px;
  line-height: 1;
}

/* 丸の下の説明（白抜き・小さめ） */
.pn-step-label{
  margin-top: 10px;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
  max-width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: break-word;
}

/* 丸同士をつなぐ線（①-②-③-④ の「-」相当） */
.pn-step-item:not(:last-child)::after{
  content: "";
  position: absolute;
  top: 28px; /* circle の中央 (56px / 2) */
  left: calc(50% + 28px);
  right: calc(-50% + 28px);
  height: 3px;
  background: rgba(255,255,255,0.75);
}

.pn-step-item.is-active .pn-step-circle{
  background: #ffffff;
  box-shadow: 0 0 0 5px rgba(255,255,255,0.25);
}

/* 完了済みステップ（左側） */
.pn-step-item.is-complete .pn-step-circle{
  opacity: 0.85;
}

/* ========= 768px以下：タブレット対応 ========= */
@media (max-width: 768px){
  .pn-step-indicator{
    margin: 15px auto 24px;
    padding: 0 8px;
  }

  .pn-step-list{
    gap: 10px;
  }

  .pn-step-circle{
    width: 48px;
    height: 48px;
    font-size: 20px;
  }

  .pn-step-label{
    font-size: 12px;
    margin-top: 8px;
  }

  .pn-step-item:not(:last-child)::after{
    top: 24px;
    left: calc(50% + 24px);
    right: calc(-50% + 24px);
  }
}

/* ========= 576px以下：スマホ対応 ========= */
@media (max-width: 576px){
  .pn-step-indicator{
    margin: 12px auto 20px;
    padding: 0 6px;
  }

  .pn-step-list{
    gap: 8px;
  }

  .pn-step-circle{
    width: 40px;
    height: 40px;
    font-size: 18px;
  }

  .pn-step-label{
    font-size: 11px;
    margin-top: 6px;
  }

  .pn-step-item:not(:last-child)::after{
    top: 20px;
    left: calc(50% + 20px);
    right: calc(-50% + 20px);
    height: 2px;
  }
}

/* ========= 340px以下：レスポンシブ対応 ========= */
@media (max-width: 340px){
  .container{
    padding: 30px 12px 12px;
  }

  .content-box{
    padding: 25px 15px;
  }

  header .navbar-brand{
    font-size: 0.88rem !important;
    gap: 0.35rem;
  }

  header .navbar-brand img{
    height: 20px !important;
    padding: 2px 5px !important;
  }

  .pn-step-list{
    gap: 10px;
  }

  .pn-step-circle{
    width: 42px;
    height: 42px;
    font-size: 18px;
  }

  .pn-step-label{
    font-size: 11px;
    margin-top: 7px;
  }

  .pn-step-item:not(:last-child)::after{
    top: 21px;
    left: calc(50% + 21px);
    right: calc(-50% + 21px);
  }

  .pn-footer-inner{
    font-size: 16px;
    padding: 0 12px;
  }

  .btn{
    padding: 10px 18px;
    font-size: 1.0em;
  }

  .title-bar{
    font-size: 1.15em;
    padding: 10px;
  }

  .form-group label{
    font-size: 1.1em;
  }

  .form-group input[type="text"],
  .form-group input[type="password"],
  .form-group input[type="email"],
  .form-group textarea{
    padding: 10px;
    font-size: 1.0em;
  }
}

/* ========= 335px以下：レスポンシブ対応 ========= */
@media (max-width: 335px){
  .container{
    padding: 28px 10px 10px;
  }

  .content-box{
    padding: 22px 12px;
  }

  header .navbar-brand{
    font-size: 0.86rem !important;
    gap: 0.3rem;
  }

  header .navbar-brand img{
    height: 19px !important;
    padding: 2px 5px !important;
  }

  .pn-step-list{
    gap: 7px;
  }

  .pn-step-circle{
    width: 30px;
    height: 30px;
    font-size: 13px;
  }

  .pn-step-label{
    font-size: 9.5px;
    margin-top: 5px;
  }

  .pn-step-item:not(:last-child)::after{
    top: 15px;
    left: calc(50% + 15px);
    right: calc(-50% + 15px);
  }

  .pn-footer-inner{
    font-size: 15px;
    padding: 0 10px;
  }

  .btn{
    padding: 9px 16px;
    font-size: 0.98em;
  }

  .title-bar{
    font-size: 1.12em;
    padding: 9px;
  }

  .form-group label{
    font-size: 1.08em;
  }

  .form-group input[type="text"],
  .form-group input[type="password"],
  .form-group input[type="email"],
  .form-group textarea{
    padding: 9px;
    font-size: 0.98em;
  }
}

/* ========= 330px以下：レスポンシブ対応 ========= */
@media (max-width: 330px){
  .container{
    padding: 26px 9px 9px;
  }

  .content-box{
    padding: 20px 10px;
  }

  header .navbar-brand{
    font-size: 0.84rem !important;
    gap: 0.28rem;
  }

  header .navbar-brand img{
    height: 18px !important;
    padding: 1px 4px !important;
  }

  .pn-step-list{
    gap: 6px;
  }

  .pn-step-circle{
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .pn-step-label{
    font-size: 9px;
    margin-top: 5px;
  }

  .pn-step-item:not(:last-child)::after{
    top: 14px;
    left: calc(50% + 14px);
    right: calc(-50% + 14px);
  }

  .pn-footer-inner{
    font-size: 14px;
    padding: 0 9px;
  }

  .btn{
    padding: 9px 15px;
    font-size: 0.96em;
  }

  .title-bar{
    font-size: 1.1em;
    padding: 8px;
  }

  .form-group label{
    font-size: 1.06em;
  }

  .form-group input[type="text"],
  .form-group input[type="password"],
  .form-group input[type="email"],
  .form-group textarea{
    padding: 9px;
    font-size: 0.96em;
  }
}

/* ========= 325px以下：レスポンシブ対応 ========= */
@media (max-width: 325px){
  .container{
    padding: 24px 8px 8px;
  }

  .content-box{
    padding: 18px 9px;
  }

  header .navbar-brand{
    font-size: 0.82rem !important;
    gap: 0.26rem;
  }

  header .navbar-brand img{
    height: 17px !important;
    padding: 1px 4px !important;
  }

  .pn-step-list{
    gap: 5px;
  }

  .pn-step-circle{
    width: 26px;
    height: 26px;
    font-size: 11px;
  }

  .pn-step-label{
    font-size: 8.5px;
    margin-top: 4px;
  }

  .pn-step-item:not(:last-child)::after{
    top: 13px;
    left: calc(50% + 13px);
    right: calc(-50% + 13px);
  }

  .pn-footer-inner{
    font-size: 13px;
    padding: 0 8px;
  }

  .btn{
    padding: 8px 14px;
    font-size: 0.94em;
  }

  .title-bar{
    font-size: 1.08em;
    padding: 8px;
  }

  .form-group label{
    font-size: 1.04em;
  }

  .form-group input[type="text"],
  .form-group input[type="password"],
  .form-group input[type="email"],
  .form-group textarea{
    padding: 8px;
    font-size: 0.94em;
  }
}

/* ========= 320px以下：レスポンシブ対応（最終調整） ========= */
@media (max-width: 320px){
  .container{
    padding: 22px 7px 7px;
  }

  .content-box{
    padding: 16px 8px;
  }

  header .navbar-brand{
    font-size: 0.8rem !important;
    gap: 0.25rem;
  }

  header .navbar-brand img{
    height: 16px !important;
    padding: 1px 3px !important;
  }

  .pn-step-list{
    gap: 4px;
  }

  .pn-step-circle{
    width: 24px;
    height: 24px;
    font-size: 10px;
  }

  .pn-step-label{
    font-size: 8px;
    margin-top: 4px;
  }

  .pn-step-item:not(:last-child)::after{
    top: 12px;
    left: calc(50% + 12px);
    right: calc(-50% + 12px);
  }

  .pn-footer-inner{
    font-size: 12px;
    padding: 0 7px;
  }

  .btn{
    padding: 8px 12px;
    font-size: 0.92em;
  }

  .title-bar{
    font-size: 1.05em;
    padding: 7px;
  }

  .form-group label{
    font-size: 1.02em;
  }

  .form-group input[type="text"],
  .form-group input[type="password"],
  .form-group input[type="email"],
  .form-group textarea{
    padding: 8px;
    font-size: 0.92em;
  }
}

/* ===== 超小画面（320px～365px）のレスポンシブ対応 ===== */
@media (max-width: 365px) {
  /* すべてのcontainerとrowの横スクロール防止 */
  .container,
  .container-fluid,
  main.container,
  .pn-main.container {
    padding-left: 8px !important;
    padding-right: 8px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .row {
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  [class*="col-"] {
    padding-left: 0 !important;
    padding-right: 0 !important;
    overflow-x: hidden !important;
    max-width: 100% !important;
  }

  /* Bootstrapのユーティリティクラスを強制上書き */
  .p-4 {
    padding: 10px !important;
  }

  .m-4 {
    margin: 8px 0 !important;
  }

  .my-3 {
    margin-top: 8px !important;
    margin-bottom: 8px !important;
  }

  .mx-0 {
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .mx-sm-3 {
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
}