:root {
    --main-pink: #fbd3e0;
    --accent-pink: #f79ac0;
    --text-color: #5a3a45;
    --bg-white: #fffafc;
}

body {
    margin: 0;
    font-family: 'Kaisei Decol', serif;
    background-color: var(--bg-white);
    color: var(--text-color);
    line-height: 1.7;
    font-size: 16px;
}

header {
    background: var(--main-pink);
    padding: 12px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    animation: slideDown 0.8s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.2rem;
    padding: 0;
    margin: 0;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--accent-pink);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    height: 3px;
    width: 25px;
    background: var(--text-color);
    margin: 4px 0;
    border-radius: 2px;
}

.hero {
    background: url('../img/bg-desktop.png') center/cover no-repeat;
    text-align: center;
    padding: 160px 20px;
    color: #fff;
    position: relative;
    animation: fadeUp 1s ease 0.3s forwards;
    opacity: 0;    
}

@keyframes fadeUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 182, 193, 0.4);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 16px;
}

.hero p {
    font-size: 1.2rem;
}

.cta-button {
    margin-top: 20px;
    background: #fff;
    color: var(--accent-pink);
    border: none;
    padding: 12px 24px;
    font-size: 1rem;
    border-radius: 24px;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    transition: background 0.3s ease, color 0.3s ease;
}

.cta-button:hover {
    background: var(--accent-pink);
    color: #fff;
}

.main main {
    padding: 40px 20px;
    max-width: 1000px;
    margin: 0 auto;
    animation: fadeUp 1s ease 0.3s forwards;
    opacity: 0;    
}

.main .section {
    margin-bottom: 60px;
}

.main .section h2 {
    font-size: 1.6rem;
    color: var(--accent-pink);
    margin-bottom: 1rem;
    border-left: 5px solid var(--accent-pink);
    padding-left: 10px;
}

.about .hero-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    margin-bottom: 40px;
    animation: fadeUp 1s ease 0.3s forwards;
    opacity: 0;    
}

.about .hero-image {
    width: 90%;
    max-width: 1000px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 0 40px rgba(255, 192, 203, 0.4);
    overflow: hidden;
}

.about main {
    max-width: 800px;
    margin: 0 auto 40px auto;
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    animation: fadeUp 1s ease 0.3s forwards;
    opacity: 0;    
}

.about h1 {
    font-size: 2rem;
    color: var(--accent-pink);
    margin-bottom: 1rem;
    border-left: 5px solid var(--accent-pink);
    padding-left: 10px;
}

.about p {
    margin-bottom: 1.5rem;
}

.audition main {
    max-width: 800px;
    margin: 40px auto;
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    animation: fadeUp 1s ease 0.3s forwards;
    opacity: 0;    
}

.audition h1 {
    font-size: 2rem;
    color: var(--accent-pink);
    margin-bottom: 1rem;
    border-left: 5px solid var(--accent-pink);
    padding-left: 10px;
}

.audition p {
    margin-bottom: 1.5rem;
}

.audition .highlight {
    background-color: var(--main-pink);
    padding: 1rem;
    border-radius: 8px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 2rem;
}

.audition a.button {
    display: inline-block;
    background: var(--accent-pink);
    color: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s ease;
}

.audition a.button:hover {
    background: #e67aa3;
}

.news main {
    max-width: 800px;
    margin: 40px auto;
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    animation: fadeUp 1s ease 0.3s forwards;
    opacity: 0;    
}

.news h1 {
    font-size: 2rem;
    color: var(--accent-pink);
    margin-bottom: 1rem;
    border-left: 5px solid var(--accent-pink);
    padding-left: 10px;
}

.news .news-item {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f3c6d3;
}

.news .news-item h2 {
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
    color: var(--text-color);
}

.news .news-item .date {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.story main {
    max-width: 800px;
    margin: 40px auto;
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    animation: fadeUp 1s ease 0.3s forwards;
    opacity: 0;    
}

.story h1 {
    font-size: 2rem;
    color: var(--accent-pink);
    margin-bottom: 1rem;
    border-left: 5px solid var(--accent-pink);
    padding-left: 10px;
}

.story p {
    margin-bottom: 1.5rem;
}

.story blockquote {
    border-left: 4px solid var(--accent-pink);
    padding-left: 1rem;
    margin: 2rem 0;
    font-style: italic;
    color: #9b6d7a;
    background-color: #fff1f5;
    border-radius: 6px;
}

.story .timeline {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 2px dashed var(--accent-pink);
}

.story .progress-item {
    margin-bottom: 2rem;
    padding-left: 1rem;
    border-left: 4px solid var(--main-pink);
}

.story .progress-item time {
    display: block;
    font-size: 0.9rem;
    color: #999;
    margin-bottom: 0.3rem;
}

.story .progress-item h3 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin: 0.2rem 0;
}

.story .progress-item p {
    margin: 0.5rem 0 0;
}

.contact main {
    max-width: 800px;
    margin: 40px auto;
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    animation: fadeUp 1s ease 0.3s forwards;
    opacity: 0;    
}

.contact h1 {
    font-size: 2rem;
    color: var(--accent-pink);
    margin-bottom: 1rem;
    border-left: 5px solid var(--accent-pink);
    padding-left: 10px;
}

.contact form {
    display: flex;
    flex-direction: column;
}

.contact label {
    margin: 1rem 0 0.3rem;
    font-weight: bold;
}

.contact input, textarea {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
}

.contact textarea {
    resize: vertical;
    min-height: 120px;
}

.contact button {
    margin-top: 20px;
    padding: 10px;
    background-color: var(--accent-pink);
    color: white;
    font-weight: bold;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s ease;
}

.contact button:hover {
    background-color: #e67aa3;
}

.contact .note {
    font-size: 0.9rem;
    color: #777;
    margin-top: 1rem;
}

.content.confirm {
    max-width: 800px;
    margin: 40px auto;
    padding: 2rem;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(255, 192, 203, 0.2);
}

.confirm .section-title {
    font-size: 2rem;
    font-weight: bold;
    color: #f79ac0;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

.confirm .confirm-form {
    background: #fff0f6;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: inset 0 0 8px rgba(247, 154, 192, 0.2);
}

.confirm .confirm-label {
    font-weight: bold;
    margin-top: 1.5rem;
    margin-bottom: 0.3rem;
    font-size: 1rem;
}

.confirm .confirm-item {
    background-color: #fff;
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid #f3c6d3;
    line-height: 1.6;
}

.confirm .confirm-item.message {
    white-space: pre-wrap;
}

.confirm .submit-btns {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.confirm .submit-btns .submit input,
.confirm .submit-btns .back button {
    background-color: #f79ac0;
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s ease;
}

.confirm .submit-btns .submit input:hover,
.confirm .submit-btns .back button:hover {
    background-color: #e67aa3;
}

.confirm .rev-arrow,
.confirm .arrow {
    display: inline-block;
    margin-left: 8px;
    width: 10px;
    height: 10px;
    border-top: 2px solid #fff;
    border-right: 2px solid #fff;
    transform: rotate(45deg);
}

.confirm .rev-arrow {
    transform: rotate(-135deg);
}

.content.complete {
    max-width: 800px;
    margin: 40px auto;
    padding: 2rem;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(255, 192, 203, 0.2);
}

.complete .section-title {
    font-size: 2rem;
    font-weight: bold;
    color: #f79ac0;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

.complete .complete-form {
    background: #fff0f6;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: inset 0 0 8px rgba(247, 154, 192, 0.2);
}

.complete .complete-form p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.complete .back-btn a {
    display: inline-block;
    background-color: #f79ac0;
    color: white;
    text-decoration: none;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    font-weight: bold;
    transition: background 0.3s ease;
}

.complete .back-btn a:hover {
    background-color: #e67aa3;
}

a {
    color: var(--accent-pink);
    text-decoration: none;
    font-weight: bold;
}

a:hover {
    text-decoration: underline;
}

footer {
    background-color: #fbd3e0; /* メインピンク系背景 */
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 60px;
    border-top: 2px solid #f3acc3;
}

footer img {
    max-width: 110px;
    height: auto;
    margin-bottom: 1rem;
}

footer small {
    display: block;
    color: #5a3a45; /* 落ち着いた文字色 */
    font-size: 0.9rem;
    opacity: 0.8;
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }

    nav ul {
        display: none;
        position: absolute;
        top: 60px;
        right: 20px;
        background: var(--main-pink);
        flex-direction: column;
        gap: 10px;
        padding: 1rem;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    nav ul.active {
        display: flex;
    }
    .hamburger {
        display: flex;
    }

    .main .hero {
        background: url('../img/bg-mobile.png') center/cover no-repeat;
        padding: 120px 15px;
    }

    .main .hero h1 {
        font-size: 1.8rem;
    }

    .main .hero p {
        font-size: 1rem;
    }

    .about .hero-image {
        width: 95%;
        border-radius: 10px;
    }

    .audition main {
        padding: 1.2rem;
        margin: 20px;
    }

    .news main {
        padding: 1.2rem;
        margin: 20px;
    }

    .story main {
        padding: 1.2rem;
        margin: 20px;
    }

    .contact main {
        padding: 1.2rem;
        margin: 20px;
    }
}