/* --- [03. パンくずリスト] --- */
.btc-mypage-change__breadcrumb-container { 
    position: relative; 
    padding: 85px 25px 20px;
    z-index: 10; 
}
.btc-mypage-change__breadcrumbs { 
    list-style: none; 
    display: flex; 
    align-items: center;
    padding: 0; 
    margin: 0; 
    font-size: 10px; 
    letter-spacing: 0.05em; 
    overflow-x: auto; 
    white-space: nowrap; 
    -webkit-overflow-scrolling: touch; 
}
.btc-mypage-change__breadcrumbs li:not(:last-child)::after { 
    content: "/"; 
    margin: 0 10px; 
    color: #ccc; 
}
.btc-mypage-change__breadcrumbs a { 
    text-decoration: none; 
    color: #2d2d2d; 
    opacity: 0.5; 
}

/* --- [04. ページヘッダー] --- */
.btc-mypage-change__page-header { 
    padding: 20px 25px 30px; 
    text-align: center; 
    position: relative; 
}
.btc-mypage-change__page-title {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    font-weight: 700; 
    font-size: 2rem; 
    letter-spacing: 0.1rem; 
    margin: 0; 
    color: #008075;
    line-height: 1.6; 
}
.btc-mypage-change__page-title span { 
    display: block; 
    font-size: 10px; 
    font-family: 'Inter', sans-serif;
    letter-spacing: 2em; 
    text-indent: 2em;
    text-align: center;
    margin-top: 0px;      
    opacity: 0.6; 
}

/* --- [05. コンテンツエリア共通設定] --- */
main { position: relative; z-index: 1; }
.btc-mypage-change__main-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px 60px;
}

/* --- [06. TOPへ戻るボタン] --- */
.btc-mypage-change__totop-button {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 54px;
    height: 54px;
    background-color: #bda16b;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 10px;
    font-weight: 200;
    z-index: 9999;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    text-align: center;
    line-height: 1.3;
    letter-spacing: 0.1em;
}
.btc-mypage-change__totop-button:hover { opacity: 0.8; transform: translateY(-3px); }
.btc-mypage-change__totop-button.is-show { opacity: 1; visibility: visible; }

/* --- [07. ユーザー挨拶エリア] --- */
.btc-mypage-change__mypage-greeting {
    padding: 0px 0 10px;
    border-bottom: 1px solid #e5e5e5;
    margin-bottom: 24px;
}
.btc-mypage-change__mypage-greeting .btc-mypage-change__user-name {
    font-size: 20px; 
    font-weight: 700;
    font-family: 'Noto Sans JP', sans-serif;
    color: #2d2d2d;
    letter-spacing: 0.06em;
    margin: 0 0 4px;
}
.btc-mypage-change__mypage-greeting .btc-mypage-change__user-name em {
    font-style: normal;
    font-size: 16px;
    font-weight: 500;
    color: #2d2d2d;
    margin-left: 4px;
    letter-spacing: 0.05em;
}

/* --- [08. セクション見出し] --- */
.btc-mypage-change__section-title {
    font-family: 'Zen Kaku Gothic New', sans-serif; 
    font-size: 22px; 
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #008075;
    margin: 36px 0 24px;
    letter-spacing: 0.05em;
}

/* --- [09. 変更入力フォーム専用スタイル群] --- */
.btc-mypage-change__form-container {
    background: #ffffff; 
    border-radius: 12px;
    padding: 10px 5px; 
    box-sizing: border-box;
}

.btc-mypage-change__form-lead {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 30px;
    color: #555555;
    text-align: left; 
}

.btc-mypage-change__form-group {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
}
.btc-mypage-change__form-group:last-of-type {
    margin-bottom: 16px;
}

.btc-mypage-change__name-flex-row {
    display: flex;
    gap: 12px;
    width: 100%;
}
.btc-mypage-change__name-flex-row .btc-mypage-change__form-group {
    flex: 1; 
    margin-bottom: 0;
}

.btc-mypage-change__form-label {
    font-size: 16px; 
    font-weight: 700;
    margin-bottom: 10px;
    color: #2d2d2d;
    display: flex;
    align-items: center;
    letter-spacing: 0.03em;
}
.btc-mypage-change__badge-required {
    background-color: #e07272;
    color: #ffffff;
    font-size: 10px;
    padding: 2px 6px 4px;
    border-radius: 4px;
    margin-left: 8px;
    font-weight: 500;
    letter-spacing: 0;
}

/* ラベル下の補足テキスト用スタイル */
.btc-mypage-change__form-label-note {
    font-size: 14px;
    font-weight: 400;
    color: #666666;
    margin-top: -4px;
    margin-bottom: 10px;
    line-height: 1.4;
}

.btc-mypage-change__input-text, .btc-mypage-change__input-select {
    width: 100%;
    padding: 16px 16px; 
    font-size: 14px; 
    border: 1px solid #dcdcd8;
    border-radius: 6px;
    background-color: #f1f1f0; 
    color: #2d2d2d;
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.2s, background-color 0.2s, box-shadow 0.2s;
    min-height: 54px; 
}
.btc-mypage-change__input-select {
    -webkit-appearance: none;
    appearance: none;
    padding-right: 40px;
}
.btc-mypage-change__select-wrapper {
    position: relative;
    width: 100%;
}
.btc-mypage-change__select-wrapper::after {
    content: "▼";
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 11px;
    color: #008075;
    pointer-events: none;
}
.btc-mypage-change__birth-flex-row .btc-mypage-change__select-wrapper {
    flex: 1;
}
.btc-mypage-change__input-text:focus, .btc-mypage-change__input-select:focus {
    outline: none;
    border-color: #008075;
    background-color: #ffffff; 
    box-shadow: 0 0 0 3px rgba(0, 128, 117, 0.1);
}

.btc-mypage-change__zip-code-row {
    display: flex;
    gap: 12px;
    align-items: center;
}
.btc-mypage-change__zip-code-row .btc-mypage-change__input-text {
    max-width: 180px;
}
.btc-mypage-change__btn-zip-search {
    background-color: #008075; 
    color: #ffffff;
    border: none;
    padding: 13px 20px;
    font-size: 13px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.2s;
    box-sizing: border-box;
}
.btc-mypage-change__btn-zip-search:hover {
    opacity: 0.85;
}

.btc-mypage-change__input-text::placeholder {
    color: #999999;
}

/* --- [10. 注意喚起エリア] --- */
.btc-mypage-change__address-alert {
    background-color: #fff9d8;
    color: #666666;
    padding: 15px;
    font-size: 13px;
    line-height: 1.5;
    border-radius: 4px;
    margin-bottom: 25px;
}

.btc-mypage-change__confirm-email {
    margin-top: 0;
    font-size: 24px;
}

/* --- [11. パスワードアイ・生年月日用スタイル] --- */
.btc-mypage-change__password-wrapper {
  position: relative;
  width: 200px;
}
.btc-mypage-change__password-wrapper .btc-mypage-change__input-text {
    padding-right: 46px;
}
.btc-mypage-change__password-wrapper--full {
  width: 100%;
}
.btc-mypage-change__password-wrapper__icon {
  position: absolute;
  top: 1px;
  right: 0;
  width: 58px;
  height: 100%;
  cursor: pointer;
  content: "";
  background: center center no-repeat;
  background-image: url("/ast/svg/eye_close.svg?v=1");
  background-size: 1.5em;
}
.is-password-visible .btc-mypage-change__password-wrapper__icon {
  background-image: url("/ast/svg/eye_open.svg");
}




.btc-mypage-change__birth-flex-row {
    display: flex;
    gap: 8px;
    align-items: center;
    width: 100%;
    margin-bottom: 24px;
}
.btc-mypage-change__birth-flex-row .btc-mypage-change__input-select {
    flex: 1;
}
.btc-mypage-change__birth-flex-row span {
    font-size: 16px; 
    color: #2d2d2d;
    white-space: nowrap;
}

/* --- [12. ボタンエリア] --- */
.btc-mypage-change__btn-container {
    padding: 0 35px;
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.btc-mypage-change__form-btn {
    width: 100%;
    height: 60px;
    max-width: 320px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: opacity 0.3s;
    border-radius: 30px;
    box-sizing: border-box;
}
.btc-mypage-change__form-btn:hover { opacity: 0.8; }
.btc-mypage-change__btn-green { background-color: #008075; color: #ffffff; }
.btc-mypage-change__btn-white { background-color: #ffffff; color: #008075; border: 1px solid #008075; }

.btc-mypage-change__sync-alert-check {
    position: relative;
    border-radius: 8px;
    border-left: 4px solid #008075;
    background-color: rgba(0, 128, 117, 0.07);
    padding: 18px 18px 18px 18px;
    margin: 32px 0 40px;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    transition: background-color 0.2s;
    box-sizing: border-box;
}
.btc-mypage-change__sync-alert-check:hover {
    background-color: rgba(0, 128, 117, 0.11);
}
.btc-mypage-change__sync-alert-check.is-checked {
    background-color: rgba(0, 128, 117, 0.12);
    border-left-color: #005f57;
}

.btc-mypage-change__sync-alert-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}
.btc-mypage-change__sync-alert-icon {
    font-size: 20px;
    line-height: 1;
    flex-shrink: 0;
}
.btc-mypage-change__sync-alert-title {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: 0.03em;
}

.btc-mypage-change__sync-alert-body {
    font-size: 13px;
    color: #555555;
    line-height: 1.6;
    margin-bottom: 16px;
    padding-left: 28px;
}

.btc-mypage-change__sync-alert-action {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-left: 28px;
}

.btc-mypage-change__sync-chk-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    width: 0; height: 0;
}
.btc-mypage-change__sync-chk-box {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    border-radius: 5px;
    border: 2px solid #a3cfca;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.18s, border-color 0.18s;
    box-sizing: border-box;
}
.btc-mypage-change__sync-alert-check.is-checked .btc-mypage-change__sync-chk-box {
    background-color: #008075;
    border-color: #008075;
}
.btc-mypage-change__sync-chk-box::after {
    content: "";
    display: block;
    width: 5px;
    height: 10px;
    border: 2px solid #ffffff;
    border-top: none;
    border-left: none;
    transform: rotate(45deg) translateY(-1px);
    opacity: 0;
    transition: opacity 0.15s;
    box-sizing: border-box;
}
.btc-mypage-change__sync-alert-check.is-checked .btc-mypage-change__sync-chk-box::after {
    opacity: 1;
}

.btc-mypage-change__sync-chk-label {
    font-size: 14px;
    font-weight: 700;
    color: #2d2d2d;
    letter-spacing: 0.02em;
    line-height: 1.4;
}

/* ============================================================
   PC・タブレット レイアウト（768px以上）
   ============================================================ */
@media (min-width: 768px) {
    .btc-mypage-change__breadcrumb-container {
        max-width: 960px;
        margin: 0 auto;
    }
    .btc-mypage-change__breadcrumbs {
        font-size: 12px;
    }
    .btc-mypage-change__main-content {
        max-width: 960px;
        padding: 15px 30px 80px;
        display: flex;
        flex-wrap: wrap;
    }
    .btc-mypage-change__main-content .c-contents-header {
        width: 100%;
        align-items: center;
    }
    .btc-mypage-change__main-content .mypage-contents__aside {
        width: 240px;
        margin-right: 50px;
        position: sticky;
        top: 95px;
        align-self: flex-start;
    }
    .btc-mypage-change__main-content .btc-mypage-change__form-content {
        width: calc(100% - 290px);
    }
    .btc-mypage-change__section-title {
        font-size: 26px;
        margin: 20px 0 30px;
    }
    .btc-mypage-change__btn-container {
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }
    .btc-mypage-change__name-flex-row {
        gap: 20px;
    }
}

/* ============================================================
   ワイドデスクトップ（1024px以上）
   ============================================================ */
@media (min-width: 1024px) {
    .btc-mypage-change__main-content {
        max-width: 1060px;
    }
    .btc-mypage-change__breadcrumb-container {
        max-width: 1060px;
    }
}