@charset "UTF-8";

/* ========================================
   CSS Variables
======================================== */
:root {
    /* Colors */
    --color-primary: #002748;
    --color-primary-dark: #051f38;
    --color-primary-light: #124977;
    --color-primary-exlight: #2497f6;
    --color-secondary: #bfc3c6;
    --color-text: #333;
    --color-text-light: #666;
    --color-bg: #fff;
    --color-bg-body: #FFF;

    /* White & Black with opacity */
    --color-white: #fff;
    --color-white-80: rgba(255, 255, 255, 0.8);
    --color-white-60: rgba(255, 255, 255, 0.6);
    --color-white-40: rgba(255, 255, 255, 0.4);
    --color-white-20: rgba(255, 255, 255, 0.2);
    --color-black: #000;
    --color-black-80: rgba(0, 0, 0, 0.8);
    --color-black-60: rgba(0, 0, 0, 0.6);
    --color-black-40: rgba(0, 0, 0, 0.4);
    --color-black-20: rgba(0, 0, 0, 0.2);
    --color-black-10: rgba(0, 0, 0, 0.1);
    --color-black-05: rgba(0, 0, 0, 0.05);

    /* Status Colors */
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-success: #28a745;
    --color-info: #17a2b8;
    --color-info-light: #c8ecf1;

    /* Bootstrap 5 Override */
    --bs-primary: #002748;
    --bs-primary-rgb: 0, 39, 72;
    --bs-danger: #dc3545;
    --bs-warning: #ffc107;
    --bs-success: #28a745;
    --bs-info: #17a2b8;

    /* Font */
    --font-family: "Noto Sans JP", sans-serif;
    --font-icon: "Font Awesome 6 Free";
    --font-size-base: 16px;
    --font-size-md: 14px;
    --font-size-sm: 12px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-xxl: 32px;

    /* Spacing */
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 48px;

    /* Transition */
    --transition-base: 0.4s ease;
    --transition-fast: 0.3s ease;
    --transition-normal: 0.6s ease-out;

    /* Layout */
    --inner-width: 1200px;

    /* radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-xxl: 20px;
}
/* reset */
ul{
    padding: 2rem;
}
/* ========================================
   Skip Link (アクセシビリティ)
======================================== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-bg);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* ========================================
   Base Font
======================================== */
html {
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    background: var(--color-bg-body);
}

/* 外部リンク */
a[target="_blank"]::after {
    content: " \f08e";
    font-size: 0.8em;
    margin-left: 0.2em;
    font-family: var(--font-icon);
    font-weight: 700;
}

/* ========================================
   Layout - Inner
======================================== */
.inner {
    width: 100%;
    max-width: var(--inner-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   Sticky Footer Layout
======================================== */
html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1 0 auto;
}

main:not(.top) {
    padding: 6rem 0;
}

footer {
    flex-shrink: 0;
}

/* ========================================
   Parts
======================================== */
table th {
    background: var(--color-primary-light) !important;
    color: var(--color-white) !important;
    text-align: center;
}

table th, table td {
    vertical-align: middle;
    border: 1px solid var(--color-black-20);
}

/* ========================================
   Header
======================================== */
header {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    background: linear-gradient(to right, #002748, #003560);
}

#site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0.2rem;
    min-height: 64px;
    position: relative;
}

#site-header p,
#site-header ul {
    margin: 0;
    padding: 0;
}

#site-title {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.0;
    color: var(--color-white);
}
#site-title a {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    color: inherit;
    text-decoration: none;
}
#site-title .site-title-head{
    background: var(--color-white);
    color: var(--color-primary);
    font-size: 0.9rem;
    padding: 0.2rem 0.8rem;
    border-radius: 2rem;
}
#site-title .site-title-body{
    font-size: 1.4rem;
    font-weight: bold;
}
#site-title .site-title-body span[lang="en"]{
    font-size: 2.2rem;
}
@media screen and (max-width: 767px) {
    #site-header{
        flex-direction: column;
        align-items: flex-start;
    }

}
/* ========================================
   Main Navigation
======================================== */

/* ハンバーガーメニューボタン */
.navbar-toggler {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    position: absolute;
    right: 12px;
    top: 30px;
}

.navbar-toggler-icon {
    display: block;
    width: 35px;
    height: 4px;
    background-color: var(--color-white);
    position: relative;
    transition: all 0.3s ease;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
    content: '';
    display: block;
    width: 35px;
    height: 4px;
    background-color: var(--color-white);
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}

.navbar-toggler-icon::before {
    top: -11px;
}

.navbar-toggler-icon::after {
    top: 11px;
}

/* ハンバーガーメニュー開いた時のアニメーション */
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
    background-color: transparent;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

#main-navigation {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

#main-navigation a {
    text-decoration: none;
    font-size: 15px;
    font-weight: 400;
    color: var(--color-white);
    padding-bottom: 0.2rem;
}

#main-navigation a:hover {
    border-bottom: 4px solid var(--color-secondary);
    transition: all var(--transition-base);
}

#main-navigation .login a,
#main-navigation .logout a {
    background-color: yellow;
    color: var(--color-primary);
    box-shadow: inset 0 0 0 1px #fff, inset 0 0 0 3px var(--color-primary);
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    display: inline-block;
    color: var(--color-primary);
}

#main-navigation .login a:hover,
#main-navigation .logout a:hover {
    background-color: var(--color-primary-light);
    color: #fff;
    transition: all var(--transition-base);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .navbar-toggler {
        display: block;
    }

    #main-navigation-wrapper {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--color-primary);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
    }

    #main-navigation-wrapper.active {
        right: 0;
    }

    #main-navigation {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 80px 20px 20px;
    }

    #main-navigation li {
        border-bottom: 1px solid var(--color-black-10);
    }

    #main-navigation li.login,
    #main-navigation li.logout {
        border-bottom: 1px solid var(--color-black-10);
        padding: 12px;
    }

    #main-navigation a {
        display: block;
        padding: 16px 12px;
        border-bottom: none !important;
    }

    #main-navigation .login a,
    #main-navigation .logout a {
        text-align: center;
        /* 外側の線が見えるようにするため、outlineで二重線を表現 */
        border: 2px solid var(--color-primary);
        outline: 2px solid #fff;
        outline-offset: -4px;
        box-shadow: none;
    }
}

/* ========================================
   Main Visual
======================================== */
#main-visual-block {
    margin: 0 calc(50% - 50vw) 2rem;
    width: 100vw;
}

.main-visual {
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: space-around;
}

/* 背景のぼかし+透過レイヤー */
.main-visual::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url(/assets/img/index/main-visual.png) center center / cover no-repeat;
    filter: blur(8px);
    opacity: 0.6;
    transform: scale(1.1);
    z-index: 0;
}

/* 中央のメイン画像 */
.main-visual img {
    position: relative;
    max-width: var(--inner-width);
    width: 100%;
    height: auto;
    z-index: 1;
}

/* ========================================
   Footer
======================================== */
footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: 2rem 0;
}
footer ul{
    padding: 0;
}
footer .copyright {
    text-align: center;
    font-size: 0.8rem;
    padding: 2rem 2rem 0;
}

/* ========================================
   Footer- Navigation
======================================== */
#footer-navigation {
    list-style: none;
}

#footer-navigation {
    display: flex;
    justify-content: flex-end;
    gap: 0.4rem;
    font-size: 0.84rem;
}

#footer-navigation a {
    color: var(--color-white);
    text-decoration: none;
    display: block;
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
}

#footer-navigation a:hover {
    background: var(--color-primary-light);
    transition: var(--transition-base);
}

/* ========================================
   Main Content Area
======================================== */
/* ========================================
   Section Title
======================================== */

section:not(#main-visual-block) {
    background: var(--color-white);
    margin-bottom: 4rem;
}

.section-title{
    position: relative;
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-sm);
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 2rem;
}

.section-title span[lang="en"] {
    font-family: 'Libre Baskerville', serif;
    font-style: italic;
    font-weight: 400;
    margin-left: 0.5rem;
    font-size: 2.4rem;
    color: var(--color-black-10);
    font-size: 1.8rem;
    position: absolute;
    top: 0.2rem;
    left: 0.8rem;

}
@media screen and (max-width: 768px){
    .section-title{
        font-size: 1.5rem;
    }
    .section-title span[lang="en"]{
        font-size: 1.6rem;
    }
}
/* ========================================
   Sub Title
======================================== */
.sub-title{
    display: flex;
  align-items: center;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
    padding: 8px 8px;
    margin: 32px 0 24px;
    border: 1px solid var(--color-black-20);
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.sub-title::before{
    content: "";
    display: inline-block;
    width: 4px;
    height: 30px;
    background-color: var(--color-primary-light);
    margin-right: 12px;
    flex-shrink: 0;
}

/* ============================================
Upper Navigation
============================================ */
.content-upper-navigation{
    display: flex;
    margin-bottom: var(--spacing-lg);
}
.content-upper-navigation.upper{
    justify-content: space-between;
    align-items: center;
}
.content-upper-navigation.bottom{
    flex-direction: column;
    width: 100%;
    margin: 2rem 0;
    gap: 2rem;
}
.content-upper-navigation .btn{
    font-weight: 700;
}
.content-upper-navigation .btn.btn-back::before{
    content: "\f137";
    font-family: var(--font-icon);
    font-weight: 700;
    margin-right: 0.4rem;
}
.content-upper-navigation .btn.btn-forward::after{
    content: "\f138";
    font-family: var(--font-icon);
    font-weight: 700;
    margin-left: 0.4rem;
}

/* ========================================
   - 2本線装飾
======================================== */
/* 2本の縦線 */
.section-title::before,
.section-title::after {
    content: "";
    position: absolute;
    left: 0;
    width: 4px;
    height: 100%;
    opacity: 0;
    transition: transform var(--transition-normal), opacity 0.4s ease-out;
}

/* 左側の線（紺色）- 上から下へ移動 */
.section-title::before {
    top: 0;
    background-color: var(--color-primary);
    transform: translateY(-50%);
    transition-delay: 0.1s;
}

/* 右側の線（グレー）- 下から上へ移動 */
.section-title::after {
    left: 10px;
    top: 0;
    background-color: var(--color-secondary);
    transform: translateY(50%);
    transition-delay: 0.2s;
}

/* アニメーション発火時 */
.section-title.is-animated::before,
.section-title.is-animated::after {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Fade Up Animation
======================================== */
.fadeup {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fadeup.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Back to Top Button
======================================== */
.back-to-top-wrapper {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition:
        opacity var(--transition-fast),
        visibility var(--transition-fast),
        transform var(--transition-fast);
}

.back-to-top-wrapper.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.btn-back-to-top {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0;  /* テキストを非表示 */
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 39, 72, 0.4);
    transition:
        background-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
}

/* Font Awesome アイコンを疑似要素で表示 */
.btn-back-to-top::before {
    content: "\f077";  /* fa-chevron-up */
    font-family: var(--font-icon);
    font-weight: 900;
    font-size: 1.25rem;
    color: var(--color-white);
}

.btn-back-to-top:hover {
    background: var(--color-primary-light);
    color: var(--color-white);
    box-shadow: 0 6px 16px rgba(0, 39, 72, 0.5);
    transform: translateY(-3px);
}

.btn-back-to-top:active {
    transform: translateY(0);
}

/* モバイル対応 */
@media screen and (max-width: 768px) {
    .back-to-top-wrapper {
        bottom: 20px;
        right: 20px;
    }

    .btn-back-to-top {
        width: 44px;
        height: 44px;
    }

    .btn-back-to-top::before {
        font-size: 1.1rem;
    }
}


/* ========================================
ログイン・新規登録へのリンク（トップページ）
======================================== */
.course-period-notice {
    border: 2px solid var(--color-danger);
    background: #ffe5e8;
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin: 0 0 2rem;
}

.course-period-notice p {
    margin: 0 0 0.5rem;
    color: var(--color-black);
    line-height: 1.6;
}

.course-period-notice p:last-child {
    margin-bottom: 0;
}

.course-period-notice__title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.course-period-notice__badge {
    background: var(--color-danger);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 2px;
    white-space: nowrap;
    flex-shrink: 0;
}

@media screen and (max-width: 768px) {
    .course-period-notice {
        margin-bottom: 1.5rem;
        padding: 10px 12px;
    }
}

.top-content-navigation ul{
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
}
.top-content-navigation ul li a{
    background-color: var(--color-primary);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    box-shadow: inset 0 0 0 2px #fff, inset 0 0 0 4px var(--color-primary);
    padding: 8px 24px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    align-items: center;
    color: var(--color-white);
    min-width: 200px;
    font-size: 1.2rem;
}
.top-content-navigation ul li a:hover{
    background: var(--color-primary-light);
    transition: var(--transition-normal);
}
@media screen and (max-width: 768px) {
    .top-content-navigation ul{
        flex-direction: column;
    }
    .top-content-navigation ul li a{
        max-width: 100%;
    }
}
/* ========================================
   講座紹介（トップページ
======================================== */
.table-responsive-md table {
    min-width: 600px;
}

.courses-table th {
    color: var(--color-white);
    background: var(--color-primary-light);
    text-align: center;
    white-space: nowrap;
}

.courses-table td {
    border: 1px solid var(--color-black-20);
    white-space: nowrap;
}
/* ========================================
   インストラクターパネル（トップページ
======================================== */
.instructor-panels {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}
.instructor-panel {
    border: 1px solid var(--color-black-60);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    flex: 1 1 30%;
    max-width: 32%;
    min-width: 250px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}
.instructor-panel__header{
    display: flex;
    gap: 0.6rem;
}
.instructor-panel__photo{
    max-width: 120px;
}
.instructor-panel__photo img{
    width: 100%;
}
.instructor-panel .badge{
    height: 30px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    font-size: var(--font-size-md);
    margin-bottom: 0.4rem;
    min-width: 100px;
    width: fit-content;
}
.instructor-name{
    margin-bottom: 0.2rem;
    font-weight: bold;
}
.instructor-status{
    margin-bottom: 0.2rem;
    font-size: var(--font-size-md);
}
.instructor-panel__body{
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.insutructor-message{
    background: #f8f8f8;
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 90%;
    margin-bottom: 0;
    flex-grow: 1;
}


@media (max-width: 900px) {
    .instructor-panel {
        max-width: 48%;
        flex-basis: 48%;
    }
}

@media (max-width: 600px) {
    .instructor-panel {
        max-width: 100%;
        flex-basis: 100%;
    }
}

/* ========================================
Flow（トップページ
======================================== */
.guide-flow {
    display: flex;
    align-items: stretch;
    gap: 0.6rem;
    border-radius: 15px;
    margin: 3rem 0;
}

.guide-flow-title {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    min-width: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bs-primary);
    color: var(--bs-primary);
    border-radius: 0.25rem;
    padding: 0.2rem;
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

.guide-flow-title h3 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 2px;
}

.guide-flow-wrapper {
    display: flex;
    align-items: stretch;
    /* 高さを揃える */
    justify-content: center;
    gap: 0.6rem;
    flex: 1;
    margin-bottom: 0;
}
.guide-flow-step {
    flex: 1;
    max-width: 340px;
    text-align: center;
    padding: 0.8rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid #f7f7f7;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}
.guide-flow-step figure{
    width: 60%;
    margin: 0 auto 1rem;
}
.guide-flow-step figure img{
    width: 100%;
}
.guide-step-header {
    position: relative;
    margin-bottom: 0.2rem;
    flex-shrink: 0;
}

.guide-step-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0 0 0 0;
    line-height: 1.3;
    text-align: left;
}

.guide-step-description {
    font-size: 14px;
    line-height: 1.4;
    margin: 0;
    flex-grow: 1;
    text-align: left;
}

.guide-flow-arrow {
    display: flex;
    align-items: center;
    /* 垂直方向の中央に配置 */
    justify-content: center;
    align-self: stretch;
    /* 親要素の高さに合わせる */
    color: var(--color-primary-exlight);
    font-size: var(--font-size-xxl);
}

.guide-flow-arrow span img {
    width: 20px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .guide-flow-wrapper {
        flex-direction: column;
        gap: 20px;
        align-items: stretch;
        padding-left: 0;
    }

    .guide-flow {
        flex-direction: column;
        gap: 20px;
        padding: 30px 15px;
        align-items: stretch;
    }

    .guide-flow-title {
        writing-mode: horizontal-tb;
        text-orientation: mixed;
        min-width: auto;
        width: 100%;
        text-align: center;
        padding: 15px 20px;
    }

    .guide-flow-steps {
        flex-direction: column;
        gap: 30px;
        align-items: stretch;
    }

    .guide-flow-arrow {
        transform: rotate(90deg);
        margin: 0;
        align-self: center;
        height: 40px;
    }

    .guide-flow-step {
        max-width: 100%;
    }

    .guide-step-icon {
        width: 70px;
        height: 70px;
    }
}

/* ========================================
   Callout（注釈ボックス）
======================================== */
.bd-callout {
    padding: 1.25rem;
    margin-bottom: 1.25rem;
    border: 1px solid var(--color-black-10);
    border-left-width: 0.25rem;
    border-radius: var(--radius-sm);
    background-color: var(--color-bg);
}

.bd-callout h4,
.bd-callout h5 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.bd-callout p:last-child {
    margin-bottom: 0;
}

/* Info - 青 */
.bd-callout-info {
    border-left-color: var(--color-info);
    background-color: var(--color-info-light);
}

.bd-callout-info h4,
.bd-callout-info h5 {
    color: #0c5460;
}

/* Warning - 黄 */
.bd-callout-warning {
    border-left-color: var(--color-warning);
    background-color: #fff3cd;
}

.bd-callout-warning h4,
.bd-callout-warning h5 {
    color: #856404;
}

/* Danger - 赤 */
.bd-callout-danger {
    border-left-color: var(--color-danger);
    background-color: #f8d7da;
}

.bd-callout-danger h4,
.bd-callout-danger h5 {
    color: #721c24;
}

/* Success - 緑 */
.bd-callout-success {
    border-left-color: var(--color-success);
    background-color: #d4edda;
}

.bd-callout-success h4,
.bd-callout-success h5 {
    color: #155724;
}

/* ========================================
   Footnote（脚注）
======================================== */
.footnote {
    background: var(--color-black-05);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-md);
    color: var(--color-text-light);
    margin-top: 1rem;
    text-indent: -1em;
}

/* ========================================
   Modal
======================================== */
.modal-header {
    background: var(--color-primary);
    color: var(--color-white);
}

.guide-detail-step-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary-dark);
}

.guide-detail-step-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.guide-detail-step {
    width: 100%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-md);
    border: 1px solid var(--color-black-20);
    border-radius: var(--radius-md);
}

.guide-detail-step-wrapper figure {
    width: 100%;
}

.guide-detail-step-wrapper figure img {
    width: 100%;
}

.guide-detail-step-wrapper .guide-detail-step-arrow {
    font-size: var(--font-size-xxl);
    color: var(--color-primary-exlight);
}

ol.guide-detail-step-list {
    list-style: none;
    counter-reset: step-counter;
}

ol.guide-detail-step-list li {
    counter-increment: step-counter;
    margin-bottom: 1rem;
    padding-left: 2.4rem;
    position: relative;
}

ol.guide-detail-step-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 50%;
    background: var(--bs-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.86rem;
}

/* ========================================
   視聴確認動画と推奨視聴環境
======================================== */

.pre-movie {
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    margin-bottom: 1rem;
}

/* 動画wrapper - アスペクト比を保持 */
.video-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
}

/* 動画の基本設定 */
.video-js.vjs-fluid {
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
}

/* 視聴確認動画セクションの上下余白を調整 */
.d-sm-flex {
    margin-bottom: 1rem !important;
    margin-top: 0.5rem !important;
}

/* pre-movie section */
#video-check .system-requirements {
    flex: 1;
    font-size: 92%;
    padding: var(--spacing-lg);
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

#video-check .system-requirements .h5,
#video-check .system-requirements .h6 {
    font-weight: bold;
    color: var(--bs-primary);
}

@media (min-width: 576px) {
    .pre-movie {
        flex-direction: row;
    }

    .video-wrapper {
        max-width: 500px;
        flex-shrink: 0;
    }
}
/* ========================================
   Business Terms
======================================== */
.table-business-terms th{
    white-space: nowrap;
}
@media screen and (max-width: 576px) {
    .table-business-terms tr,
    .table-business-terms th,
    .table-business-terms td {
        display: block;
    }
}
/* ========================================
   Course List
======================================== */
.speaker-status{
    display: block;
    font-size: 80%;
}

/* ========================================
   User info Form
======================================== */
#form-user-info{
    max-width: 960px;
    margin: 0 auto;
}
/* ========================================
   Bootstrap 5 Button Override
======================================== */
/* Primary */
.btn-primary {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--color-primary);
    --bs-btn-border-color: var(--color-primary);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: var(--color-primary-dark);
    --bs-btn-hover-border-color: var(--color-primary-dark);
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: var(--color-primary-dark);
    --bs-btn-active-border-color: var(--color-primary-dark);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: var(--color-primary);
    --bs-btn-disabled-border-color: var(--color-primary);
}

/* Secondary */
.btn-secondary {
    --bs-btn-color: var(--color-text);
    --bs-btn-bg: var(--color-secondary);
    --bs-btn-border-color: var(--color-secondary);
    --bs-btn-hover-color: var(--color-text);
    --bs-btn-hover-bg: #a8acaf;
    --bs-btn-hover-border-color: #a8acaf;
    --bs-btn-active-color: var(--color-text);
    --bs-btn-active-bg: #a8acaf;
    --bs-btn-active-border-color: #a8acaf;
    --bs-btn-disabled-color: var(--color-text);
    --bs-btn-disabled-bg: var(--color-secondary);
    --bs-btn-disabled-border-color: var(--color-secondary);
}

/* Danger */
.btn-danger {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--color-danger);
    --bs-btn-border-color: var(--color-danger);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #bb2d3b;
    --bs-btn-hover-border-color: #bb2d3b;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #bb2d3b;
    --bs-btn-active-border-color: #bb2d3b;
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: var(--color-danger);
    --bs-btn-disabled-border-color: var(--color-danger);
}

/* Warning */
.btn-warning {
    --bs-btn-color: var(--color-text);
    --bs-btn-bg: var(--color-warning);
    --bs-btn-border-color: var(--color-warning);
    --bs-btn-hover-color: var(--color-text);
    --bs-btn-hover-bg: #e0a800;
    --bs-btn-hover-border-color: #e0a800;
    --bs-btn-active-color: var(--color-text);
    --bs-btn-active-bg: #e0a800;
    --bs-btn-active-border-color: #e0a800;
    --bs-btn-disabled-color: var(--color-text);
    --bs-btn-disabled-bg: var(--color-warning);
    --bs-btn-disabled-border-color: var(--color-warning);
}

/* Success */
.btn-success {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--color-success);
    --bs-btn-border-color: var(--color-success);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #218838;
    --bs-btn-hover-border-color: #218838;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #218838;
    --bs-btn-active-border-color: #218838;
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: var(--color-success);
    --bs-btn-disabled-border-color: var(--color-success);
}

/* Info */
.btn-info {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--color-info);
    --bs-btn-border-color: var(--color-info);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #138496;
    --bs-btn-hover-border-color: #138496;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #138496;
    --bs-btn-active-border-color: #138496;
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: var(--color-info);
    --bs-btn-disabled-border-color: var(--color-info);
}

/* Light */
.btn-light {
    --bs-btn-color: var(--color-text);
    --bs-btn-bg: #f8f9fa;
    --bs-btn-border-color: #f8f9fa;
    --bs-btn-hover-color: var(--color-text);
    --bs-btn-hover-bg: #e2e6ea;
    --bs-btn-hover-border-color: #dae0e5;
    --bs-btn-active-color: var(--color-text);
    --bs-btn-active-bg: #dae0e5;
    --bs-btn-active-border-color: #d3d9df;
    --bs-btn-disabled-color: var(--color-text);
    --bs-btn-disabled-bg: #f8f9fa;
    --bs-btn-disabled-border-color: #f8f9fa;
}

/* Dark */
.btn-dark {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--color-primary-dark);
    --bs-btn-border-color: var(--color-primary-dark);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #001a2e;
    --bs-btn-hover-border-color: #001a2e;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #001a2e;
    --bs-btn-active-border-color: #001a2e;
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: var(--color-primary-dark);
    --bs-btn-disabled-border-color: var(--color-primary-dark);
}

/* input radio */
.form-check-input[type=radio] {
    border-color: var(--color-black-60);
}

/* ========================================
   Form Border Styles - ボーダーを濃く
======================================== */
/* テキスト入力・テキストエリア・セレクト */
.form-control,
.form-select {
    border-color: #ccc;
    border-width: 1.5px;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary, #0d6efd);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

/* チェックボックス・ラジオボタン */
.form-check-input {
    border-color: #ccc;
    border-width: 1.5px;
}

.form-check-input:focus {
    border-color: var(--color-primary, #0d6efd);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

/* ========================================
   Form Placeholder Styles
======================================== */
.form-label{
    font-size: 1.05rem;
    color: var(--color-primary);
}
.form-label::before{
    content: "\f0d7";
    font-family: var(--font-icon);
    font-weight: bold;
}
/* Placeholder text color - より薄く */
::placeholder {
    color: var(--color-black-20) !important;
    opacity: 1;
}

::-webkit-input-placeholder {
    color: var(--color-black-20) !important;
    opacity: 1;
}

::-moz-placeholder {
    color: var(--color-black-20) !important;
    opacity: 1;
}

:-ms-input-placeholder {
    color: var(--color-black-20) !important;
    opacity: 1;
}

/* フォーカス時にplaceholderを完全に透明に */
input:focus::placeholder,
textarea:focus::placeholder,
select:focus::placeholder {
    opacity: 0;
    transition: opacity 0.2s ease;
}

input:focus::-webkit-input-placeholder,
textarea:focus::-webkit-input-placeholder,
select:focus::-webkit-input-placeholder {
    opacity: 0;
    transition: opacity 0.2s ease;
}

input:focus::-moz-placeholder,
textarea:focus::-moz-placeholder,
select:focus::-moz-placeholder {
    opacity: 0;
    transition: opacity 0.2s ease;
}

input:focus:-ms-input-placeholder,
textarea:focus:-ms-input-placeholder,
select:focus:-ms-input-placeholder {
    opacity: 0;
    transition: opacity 0.2s ease;
}
/* 決済画面 */
.price-table{
    width: 100%;
    margin-bottom: 2rem;
}
.price-table td{
    padding: 0.8rem;
}
.price-table td.price{
    text-align: right;
}
/* ========================================
   新規登録のPrivacyPolicy
======================================== */
#privacy-policy{
    height: 300px;
    overflow-y: auto;
    font-size: 90%;
}
#privacy-policy h1{
    display: none;
}
/* ========================================
 パスワード再設定
======================================== */
/* ========================================
 完了ページ
 ======================================== */
#pw-reset-complete .complete-message i{
    color: var(--color-primary-light);
    font-size: 3.6rem;
    margin-bottom: 2rem;
}
/* セキュリティについて */
#pw-reset-complete ul li img{
    margin-right: 0.5rem;
}

/* ========================================
 パスワード表示切替ボタン
======================================== */
.password-toggle {
    border: 1px solid #ced4da;
    border-left: 0;
    background-color: #fff;
    color: #6c757d;
}
.password-toggle:hover {
    background-color: #f8f9fa;
    color: #495057;
}
.password-toggle:focus {
    box-shadow: none;
    border-color: #ced4da;
}