@charset "UTF-8";
/*
Theme Name: Beatbox College Custom Theme
Author: ik
Description: ビートボックスカレッジのトーン＆マナーに合わせた親しみやすいポップなオリジナルクラシックテーマ
Version: 1.1.0
*/

/* =========================================
   1. CSS Variables & Reset
 ========================================= */
:root {
    --color-bg-cream: #F6F7EE;
    --color-green-main: #009BA4;
    --color-green-deep: #3D6862;
    --color-green-grad: #5E7366;
    --color-yellow-pop: #F7B500;
    --color-text-dark: #2C3A37;
    --color-white: #FFFFFF;
    --radius-lg: 24px;
    --radius-pill: 9999px;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    word-break: break-word;
    overflow-wrap: break-word;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
}

body {
    background-color: var(--color-bg-cream);
    color: var(--color-text-dark);
    font-family: 'Zen Maru Gothic', "Hiragino Maru Gothic ProN", sans-serif;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.2s ease;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* =========================================
   2. Header & Navigation Styles
 ========================================= */
.site-header {
    background-color: rgba(246, 247, 238, 0.95);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 155, 164, 0.1);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
}

.site-branding .site-logo-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.site-branding .header-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    display: block;
}

.site-title-text {
    font-weight: 700;
    color: var(--color-green-deep);
    font-size: 1.15rem;
    letter-spacing: 0.03em;
}

.btn-header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #FFDE59 0%, #FF9100 100%);
    color: #1a1a1a;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 10px 18px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(255, 145, 0, 0.35);
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease !important;
    white-space: nowrap;
}

.btn-header-cta:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 6px 20px rgba(255, 145, 0, 0.5) !important;
}

/* =========================================
   3. Common Components & Buttons
 ========================================= */
.btn-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--color-green-main);
    color: var(--color-white);
    padding: 10px 22px 10px 14px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(0, 155, 164, 0.2);
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease, opacity 0.2s ease;
}

.btn-pill:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 20px rgba(0, 155, 164, 0.3);
    opacity: 0.95;
}

.btn-pill:active {
    transform: translateY(-1px) scale(0.98);
}

.btn-icon {
    width: 30px;
    height: 30px;
    background-color: var(--color-yellow-pop);
    color: var(--color-text-dark);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.btn-large {
    padding: 16px 32px 16px 20px;
    font-size: 1.1rem;
}

.btn-large .btn-icon {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
}

.btn-yellow {
    background-color: var(--color-yellow-pop);
    color: var(--color-text-dark);
}

.btn-yellow .btn-icon {
    background-color: var(--color-white);
    color: var(--color-text-dark);
}

/* =========================================
   4. Clean Hero Section Styles
 ========================================= */
.hero-section-clean {
    position: relative;
    width: 100%;
    max-width: 100vw;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: var(--color-bg-cream);
    padding-bottom: 120px;
    transform: translateZ(0);
}

.hero-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(61,104,98,0.7) 0%, rgba(0,155,164,0.5) 100%), rgba(0,0,0,0.35);
}

.hero-content-clean {
    position: relative;
    z-index: 3;
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    padding: 60px 20px 140px;
    text-align: center;
    color: #ffffff;
}

.hero-badge-clean {
    display: inline-block;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
    color: #ffffff;
    padding: 6px 20px;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.4);
}

.hero-title-clean {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    line-height: 1.35;
    font-weight: 900;
    margin-bottom: 24px;
    text-shadow: 0 4px 25px rgba(0,0,0,0.4);
}

.hero-title-clean span {
    color: var(--color-yellow-pop);
    background: rgba(0,0,0,0.25);
    padding: 0 12px;
    border-radius: 8px;
    display: inline-block;
}

.hero-desc-clean {
    font-size: 1rem;
    line-height: 1.8;
    opacity: 0.95;
    max-width: 720px;
    margin: 0 auto 36px;
    text-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

.hero-btn-clean {
    display: flex;
    justify-content: center;
}

.hero-wave-shape {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    max-width: 100vw;
    line-height: 0;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}

.hero-wave-shape svg {
    display: block;
    width: 100%;
    height: 180px;
}

.wave-floating-text {
    position: absolute;
    bottom: 35px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.95);
    font-weight: 900;
    font-size: clamp(0.9rem, 2.2vw, 1.5rem);
    letter-spacing: 0.15em;
    white-space: nowrap;
    z-index: 4;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

[data-aos] {
    transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* =========================================
   5. Sections Common & LP Styles
 ========================================= */
.features-section, .lessons-section, .instructor-section, .cta-banner-section, .target-section, .goal-section, .voice-section {
    padding: 70px 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-sub {
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    color: var(--color-green-main);
    font-weight: 700;
    text-transform: uppercase;
    display: block;
    margin-bottom: 8px;
}

.section-title {
    font-size: 1.8rem;
    color: var(--color-green-deep);
}

/* Target Section (2列×2列に固定) */
.target-section {
    background: rgba(0, 155, 164, 0.03);
}

.target-grid {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.target-item {
    background: var(--color-white);
    padding: 18px 20px;
    border-radius: 12px;
    font-weight: 700;
    color: var(--color-green-deep);
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Features Section */
.features-grid {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--color-white);
    padding: 35px 24px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.15rem;
    color: var(--color-green-deep);
    margin-bottom: 10px;
}

/* Goal Section */
.goal-box {
    max-width: 900px;
    margin: 0 auto;
    background: var(--color-white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    text-align: center;
    border: 2px dashed var(--color-green-main);
}

.goal-text {
    font-size: 1rem;
    line-height: 1.9;
    opacity: 0.9;
}

/* Lessons Section (2列×2列に固定) */
.lessons-grid {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.lesson-item {
    background: var(--color-white);
    padding: 22px 24px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.02);
}

.lesson-num {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-yellow-pop);
    background: rgba(247, 181, 0, 0.15);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.lesson-info h3 {
    font-size: 1.05rem;
    color: var(--color-green-deep);
    margin-bottom: 4px;
}

.lesson-info p {
    font-size: 0.88rem;
    opacity: 0.8;
}

/* Voice Section */
.voice-card {
    max-width: 850px;
    margin: 0 auto;
    background: var(--color-white);
    padding: 35px 30px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    position: relative;
}

.voice-card::before {
    content: "“";
    position: absolute;
    top: 5px;
    left: 20px;
    font-size: 4rem;
    color: var(--color-yellow-pop);
    opacity: 0.3;
    font-family: serif;
    line-height: 1;
}

.voice-quote {
    font-size: 0.95rem;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* CTA Banner */
.cta-banner {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--color-green-main) 0%, var(--color-green-deep) 100%);
    color: var(--color-white);
    text-align: center;
    padding: 50px 24px;
    border-radius: var(--radius-lg);
    box-shadow: 0 15px 40px rgba(0, 155, 164, 0.2);
}

.cta-banner h2 {
    font-size: 1.7rem;
    margin-bottom: 12px;
}

.cta-banner p {
    margin-bottom: 25px;
    opacity: 0.9;
    font-size: 0.95rem;
}

.cta-sub-badge {
    display: inline-block;
    background: var(--color-yellow-pop);
    color: var(--color-text-dark);
    padding: 4px 16px;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 12px;
}

/* =========================================
   6. Front Page Instructor Section (スマホ完全対応版)
 ========================================= */
.instructor-card-box {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
    background: var(--color-white);
    padding: 50px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    width: 100%;
}

.front-instructor-photo {
    flex-shrink: 0;
    text-align: center;
    margin: 0 auto;
}

.front-instructor-photo img {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-green-main);
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
    display: block;
}

.instructor-text {
    flex-grow: 1;
    min-width: 0;
}

.instructor-bio {
    font-size: 0.95rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 20px;
    word-break: break-word;
    overflow-wrap: break-word;
}

.instructor-data {
    font-size: 0.9rem;
    line-height: 1.6;
    background: var(--color-bg-cream);
    padding: 16px;
    border-radius: 10px;
    word-break: break-word;
}

/* =========================================
   7. Blog & Archive Styles
 ========================================= */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.card-article {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
}

.card-thumbnail img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.card-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-meta {
    font-size: 0.78rem;
    opacity: 0.7;
    margin-bottom: 6px;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.card-excerpt {
    font-size: 0.88rem;
    opacity: 0.85;
    margin-bottom: 16px;
    flex-grow: 1;
}

.read-more-link {
    font-weight: 700;
    color: var(--color-green-main);
    font-size: 0.88rem;
    align-self: flex-start;
}

/* Pagination */
.pagination-area {
    margin-top: 40px;
    text-align: center;
}

.pagination-area .nav-links {
    display: inline-flex;
    gap: 6px;
}

.pagination-area .page-numbers {
    background: var(--color-white);
    padding: 6px 14px;
    border-radius: 8px;
    font-weight: 700;
    color: var(--color-green-deep);
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.pagination-area .page-numbers.current {
    background: var(--color-green-main);
    color: var(--color-white);
}

/* =========================================
   8. Footer Styles
 ========================================= */
.site-footer {
    background-color: var(--color-bg-cream);
    padding: 50px 20px 25px;
    border-top: 1px solid rgba(0,0,0,0.05);
    margin-top: 60px;
}

.footer-bottom {
    border-top: 1px solid rgba(0,0,0,0.08);
    padding-top: 20px;
    text-align: center;
    font-size: 0.78rem;
    opacity: 0.7;
    margin-top: 30px;
}

/* =========================================
   9. Responsive Media Queries (スマホ完全対応)
 ========================================= */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding: 12px 16px;
    }
    
    /* スマホでは2列を1列に縦並びにする */
    .target-grid,
    .lessons-grid,
    .features-grid {
        grid-template-columns: 1fr !important;
    }

    /* フロントページの講師紹介カードをスマホで完全に収める */
    .instructor-card-box {
        padding: 25px 18px !important;
        flex-direction: column !important;
        text-align: center;
        gap: 20px !important;
        width: auto !important;
        margin-left: 10px;
        margin-right: 10px;
    }

    .instructor-text {
        width: 100%;
        text-align: left;
    }

    .footer-grid {
        grid-template-columns: 1fr !important;
        gap: 25px;
    }
}

@media (max-width: 480px) {
    .site-title-text {
        font-size: 0.95rem !important;
    }
    .btn-header-cta {
        padding: 10px 16px !important;
        font-size: 0.85rem !important;
    }
}

/* =========================================
   講師カードの肩書バッジ
 ========================================= */
.teacher-header-badge {
    display: inline-block;
    background: rgba(0, 155, 164, 0.1);
    color: var(--color-green-main);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 12px;
}

/* =========================================
   タグクラウド（好きなことなどのバッジ装飾
 ========================================= */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.tag-cloud span {
    background: var(--color-bg-cream);
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-dark);
    display: inline-block;
}