/* 
 * EduSpark4 - スタイルシート
 * ひらめきの火花が、未来を変える
 */

/* リセットとベース設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}

:root {
    --main-orange: #FF6B35;
    --bg-beige: #F4E8DC;
    --text-dark: #1A1A1A;
    --accent-peach: #FFB98A;
    --accent-mint: #B8E0D2;
    --white: #FFFFFF;
    --gray-light: #F8F8F8;
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 10px 40px rgba(0, 0, 0, 0.08);
    --shadow-strong: 0 20px 60px rgba(0, 0, 0, 0.12);
}

/* CSS変数のフォールバック値 */
.fallback-colors {
    /* 古いブラウザ用の色定義 */
    color: #1A1A1A;
    background-color: #FFFFFF;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--white);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    font-weight: 400;
}

/* タイポグラフィ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.en-font {
    font-family: 'Poppins', sans-serif;
}

/* ナビゲーション */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    background-color: #FFFFFF;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    -moz-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    -o-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

nav.scrolled {
    box-shadow: var(--shadow-soft);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 40px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
}

.nav-logo {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 12px;
}

/* gapフォールバック */
.nav-logo > * + * {
    margin-left: 12px;
}

.nav-logo-icon {
    width: 45px;
    height: 45px;
}

.nav-logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.nav-logo-text {
    height: 30px;
}

.nav-logo-text img {
    height: 100%;
    width: auto;
}

.nav-links {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    gap: 40px;
    list-style: none;
}

/* gapフォールバック */
.nav-links > * + * {
    margin-left: 40px;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--main-orange) 0%, var(--accent-peach) 100%);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--main-orange);
}

.nav-links a:hover::after {
    width: 100%;
}

/* ヒーローセクション */
.hero {
    min-height: 100vh;
    position: relative;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    overflow: hidden;
    /* 古いブラウザ用の背景設定 */
    background-color: #1A1A1A;
    background-image: url('../images/hero/hero-bg.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    /* 新しいブラウザ用の背景設定（上書き） */
    background: 
        linear-gradient(135deg, rgba(255, 185, 138, 0.3) 0%, rgba(184, 224, 210, 0.3) 100%), 
        linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.3)),
        url('../images/hero/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* 古いブラウザ用の半透明背景 */
    background-color: rgba(255, 107, 53, 0.1);
    /* 新しいブラウザ用のグラデーション */
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.2) 0%, rgba(184, 224, 210, 0.2) 100%);
    background: -webkit-linear-gradient(315deg, rgba(255, 107, 53, 0.2) 0%, rgba(184, 224, 210, 0.2) 100%);
    background: -moz-linear-gradient(315deg, rgba(255, 107, 53, 0.2) 0%, rgba(184, 224, 210, 0.2) 100%);
    background: -o-linear-gradient(315deg, rgba(255, 107, 53, 0.2) 0%, rgba(184, 224, 210, 0.2) 100%);
    z-index: 1;
}

.hero-content {
    text-align: center;
    z-index: 2;
    padding: 0 0px;
    max-width: 1100px;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
        -webkit-transform: translateY(30px);
        -moz-transform: translateY(30px);
        -ms-transform: translateY(30px);
        -o-transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        -webkit-transform: translateY(0);
        -moz-transform: translateY(0);
        -ms-transform: translateY(0);
        -o-transform: translateY(0);
    }
}

@-webkit-keyframes fadeInUp {
    from {
        opacity: 0;
        -webkit-transform: translateY(30px);
    }
    to {
        opacity: 1;
        -webkit-transform: translateY(0);
    }
}

@-moz-keyframes fadeInUp {
    from {
        opacity: 0;
        -moz-transform: translateY(30px);
    }
    to {
        opacity: 1;
        -moz-transform: translateY(0);
    }
}

@-o-keyframes fadeInUp {
    from {
        opacity: 0;
        -o-transform: translateY(30px);
    }
    to {
        opacity: 1;
        -o-transform: translateY(0);
    }
}

h1 {
    font-size: 4.5rem;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 25px;
    color: var(--white);
    color: #FFFFFF;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

/* clampフォールバック */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
}

@media (min-width: 1200px) {
    h1 {
        font-size: 4.5rem;
    }
}

.hero .gradient-text {
    background: linear-gradient(135deg, #FFD93D 0%, #FFB98A 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: brightness(1.2);
}

.tagline {
    font-size: 1.8rem;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--white);
    color: #FFFFFF;
    margin-bottom: 40px;
    opacity: 0.95;
    font-weight: 400;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* clampフォールバック */
@media (max-width: 768px) {
    .tagline {
        font-size: 1.2rem;
    }
}

@media (min-width: 1200px) {
    .tagline {
        font-size: 1.8rem;
    }
}

.cta-buttons {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    gap: 20px;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

/* gapフォールバック */
.cta-buttons > * {
    margin: 10px;
}

.btn {
    padding: 18px 36px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: #FF6B35;
    background: linear-gradient(135deg, #FF6B35 0%, #FFB98A 100%);
    background: -webkit-linear-gradient(315deg, #FF6B35 0%, #FFB98A 100%);
    background: -moz-linear-gradient(315deg, #FF6B35 0%, #FFB98A 100%);
    background: -o-linear-gradient(315deg, #FF6B35 0%, #FFB98A 100%);
    background: linear-gradient(135deg, var(--main-orange) 0%, var(--accent-peach) 100%);
    color: white;
    color: #FFFFFF;
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.25);
    -webkit-box-shadow: 0 10px 30px rgba(255, 107, 53, 0.25);
    -moz-box-shadow: 0 10px 30px rgba(255, 107, 53, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    -webkit-transform: translateY(-2px);
    -moz-transform: translateY(-2px);
    -ms-transform: translateY(-2px);
    -o-transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.35);
    -webkit-box-shadow: 0 15px 40px rgba(255, 107, 53, 0.35);
    -moz-box-shadow: 0 15px 40px rgba(255, 107, 53, 0.35);
}

.btn-secondary {
    background-color: #FFFFFF;
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-dark);
    color: #1A1A1A;
    border: 2px solid transparent;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    -webkit-box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    -moz-box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: var(--accent-mint);
    background-color: #B8E0D2;
    transform: translateY(-2px);
    -webkit-transform: translateY(-2px);
    -moz-transform: translateY(-2px);
    -ms-transform: translateY(-2px);
    -o-transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    -webkit-box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    -moz-box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* セクション共通 */
section {
    padding: 120px 40px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 3.5rem;
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    margin-bottom: 20px;
    color: var(--text-dark);
    color: #1A1A1A;
    font-weight: 800;
}

/* clampフォールバック */
@media (max-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

@media (min-width: 1200px) {
    .section-title {
        font-size: 3.5rem;
    }
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-dark);
    opacity: 0.7;
    max-width: 700px;
    margin: 0 auto;
    font-weight: 400;
    line-height: 1.8;
}

/* ストーリーセクション */
.story-section {
    background: white;
    padding: 120px 40px;
}

.story-content {
    max-width: 1000px;
    margin: 0 auto;
}

.story-block {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 60px;
    margin-bottom: 80px;
    align-items: start;
}

.story-block:last-child {
    margin-bottom: 0;
}

.story-number {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--accent-peach) 0%, var(--accent-mint) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 800;
    color: white;
    box-shadow: var(--shadow-medium);
    font-family: 'Poppins', sans-serif;
}

.story-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--main-orange);
    color: #FF6B35;
}

.story-text p {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 15px;
    color: var(--text-dark);
    opacity: 0.85;
}

/* ビジョンセクション */
.vision-section {
    background: var(--gray-light);
    background-color: #F8F8F8;
}

/* ビジョンステートメント追加 */
.vision-statement {
    text-align: left;
    max-width: 900px;
    margin: 30px auto 80px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
}

.vision-statement p {
    font-size: 1.15rem;
    line-height: 1.9;
    margin-bottom: 20px;
    color: var(--text-dark);
    opacity: 0.9;
}

.vision-statement p:last-child {
    margin-bottom: 0;
}

.vision-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.vision-image {
    position: relative;
    height: 500px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    background: linear-gradient(135deg, var(--accent-mint) 0%, var(--accent-peach) 100%);
}

.vision-text h3 {
    font-size: 2.2rem;
    margin-bottom: 25px;
    color: var(--main-orange);
    font-weight: 700;
}

.vision-text p {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 25px;
    color: var(--text-dark);
    opacity: 0.85;
}

.vision-note {
    background: linear-gradient(135deg, #FFF9F5 0%, #F0FAF7 100%);
    border-left: 4px solid var(--main-orange);
    padding: 20px 25px;
    margin-top: 30px;
    border-radius: 12px;
}

.vision-note p {
    margin-bottom: 0;
    font-size: 1.05rem;
}

/* 事業モデル */
.business-model {
    background: white;
}

.rocket-visual {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 40px;
    background: linear-gradient(135deg, #FFF9F5 0%, #F0FAF7 100%);
    border-radius: 32px;
    box-shadow: var(--shadow-medium);
}

.rocket-stages {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    position: relative;
}

.rocket-connector {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    box-shadow: var(--shadow-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    z-index: 1;
}

.rocket-stage {
    background: white;
    padding: 30px;
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.rocket-stage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-peach) 0%, var(--accent-mint) 100%);
}

.rocket-stage:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
}

.rocket-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    border-radius: 24px;
    overflow: hidden;
    text-align: center;
}

.rocket-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rocket-stage h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--text-dark);
    text-align: center;
}

.rocket-stage h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    text-align: center;
}

.rocket-stage p {
    text-align: left;
    line-height: 1.8;
}

/* プログラム */
.programs {
    background: var(--gray-light);
}

.program-grid {
    display: -ms-grid;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    grid-gap: 20px;
}

/* 古いブラウザ用のフォールバック */
@supports not (display: grid) {
    .program-grid {
        display: -webkit-box;
        display: -webkit-flex;
        display: -ms-flexbox;
        display: flex;
        -webkit-flex-wrap: wrap;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    }
    
    .program-card {
        -webkit-box-flex: 1;
        -webkit-flex: 1 1 320px;
        -ms-flex: 1 1 320px;
        flex: 1 1 320px;
        margin: 10px;
    }
}

.program-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
    position: relative;
}

.program-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
}

.program-card-header {
    padding: 40px 35px 0;
    text-align: center;
}

.program-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.program-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.program-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-weight: 700;
}

.program-card-body {
    padding: 25px 35px 35px;
}

.program-card p {
    color: var(--text-dark);
    opacity: 0.8;
    line-height: 1.8;
    margin-bottom: 25px;
}

.program-link {
    color: var(--main-orange);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.program-link:hover {
    gap: 12px;
}

/* プログラムCTAセクション */
.program-cta-section {
    text-align: center;
    margin-top: 60px;
    padding: 40px;
    background: white;
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
}

.program-cta-section p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--text-dark);
    opacity: 0.8;
}

/* チーム */
.team-section {
    background: white;
}

/* スパルンエリア */
.team-mascot-section {
    margin-bottom: 60px;
    background: linear-gradient(135deg, rgba(255, 185, 138, 0.1) 0%, rgba(184, 224, 210, 0.1) 100%);
    border-radius: 32px;
    padding: 50px;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.team-mascot-section::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 217, 61, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: sparkle 3s ease-in-out infinite;
}

.team-mascot-section::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: -30px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(255, 185, 138, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: sparkle 3s ease-in-out infinite reverse;
}

@keyframes sparkle {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        -webkit-transform: scale(1) rotate(0deg);
        -moz-transform: scale(1) rotate(0deg);
        -ms-transform: scale(1) rotate(0deg);
        -o-transform: scale(1) rotate(0deg);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1) rotate(180deg);
        -webkit-transform: scale(1.1) rotate(180deg);
        -moz-transform: scale(1.1) rotate(180deg);
        -ms-transform: scale(1.1) rotate(180deg);
        -o-transform: scale(1.1) rotate(180deg);
        opacity: 0.8;
    }
}

@-webkit-keyframes sparkle {
    0%, 100% {
        -webkit-transform: scale(1) rotate(0deg);
        opacity: 0.5;
    }
    50% {
        -webkit-transform: scale(1.1) rotate(180deg);
        opacity: 0.8;
    }
}

@-moz-keyframes sparkle {
    0%, 100% {
        -moz-transform: scale(1) rotate(0deg);
        opacity: 0.5;
    }
    50% {
        -moz-transform: scale(1.1) rotate(180deg);
        opacity: 0.8;
    }
}

@-o-keyframes sparkle {
    0%, 100% {
        -o-transform: scale(1) rotate(0deg);
        opacity: 0.5;
    }
    50% {
        -o-transform: scale(1.1) rotate(180deg);
        opacity: 0.8;
    }
}

.mascot-content {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 200px 50px 1fr;
    grid-template-columns: 200px 1fr;
    gap: 50px;
    grid-gap: 50px;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* IE11用のgridサポート */
.mascot-content > * {
    -ms-grid-row: 1;
}

.mascot-content > *:nth-child(1) {
    -ms-grid-column: 1;
}

.mascot-content > *:nth-child(2) {
    -ms-grid-column: 3;
}

.mascot-photo {
    width: 200px;
    height: 200px;
    max-width: 200px;
    max-height: 200px;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(255, 107, 53, 0.2);
    -webkit-box-shadow: 0 20px 40px rgba(255, 107, 53, 0.2);
    -moz-box-shadow: 0 20px 40px rgba(255, 107, 53, 0.2);
    background: white;
    background-color: #FFFFFF;
    padding: 10px;
    animation: float 4s ease-in-out infinite;
    -webkit-animation: float 4s ease-in-out infinite;
    -moz-animation: float 4s ease-in-out infinite;
    -o-animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
        -webkit-transform: translateY(0);
        -moz-transform: translateY(0);
        -ms-transform: translateY(0);
        -o-transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
        -webkit-transform: translateY(-10px);
        -moz-transform: translateY(-10px);
        -ms-transform: translateY(-10px);
        -o-transform: translateY(-10px);
    }
}

@-webkit-keyframes float {
    0%, 100% {
        -webkit-transform: translateY(0);
    }
    50% {
        -webkit-transform: translateY(-10px);
    }
}

@-moz-keyframes float {
    0%, 100% {
        -moz-transform: translateY(0);
    }
    50% {
        -moz-transform: translateY(-10px);
    }
}

@-o-keyframes float {
    0%, 100% {
        -o-transform: translateY(0);
    }
    50% {
        -o-transform: translateY(-10px);
    }
}

.mascot-photo img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    -o-object-fit: contain;
    /* 古いブラウザ用のフォールバック */
    display: block;
    margin: 0 auto;
}

.mascot-info {
    flex: 1;
}

.mascot-name {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--main-orange);
    letter-spacing: 0.05em;
}

.mascot-role {
    font-size: 1.2rem;
    color: var(--text-dark);
    opacity: 0.7;
    margin-bottom: 15px;
    font-weight: 500;
}

.mascot-location {
    font-size: 1rem;
    color: var(--accent-peach);
    font-weight: 600;
    margin-bottom: 25px;
    background: rgba(255, 185, 138, 0.2);
    display: inline-block;
    padding: 8px 20px;
    border-radius: 25px;
}

.mascot-bio {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-dark);
    opacity: 0.9;
    background: rgba(255, 255, 255, 0.8);
    padding: 25px;
    border-radius: 20px;
    border-left: 4px solid var(--main-orange);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

/* メンバーグリッド */
.team-members-grid {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr 30px 1fr 30px 1fr;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    grid-gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

/* IE11用のgridサポート */
.team-members-grid > *:nth-child(1) {
    -ms-grid-column: 1;
    -ms-grid-row: 1;
}

.team-members-grid > *:nth-child(2) {
    -ms-grid-column: 3;
    -ms-grid-row: 1;
}

.team-members-grid > *:nth-child(3) {
    -ms-grid-column: 5;
    -ms-grid-row: 1;
}

.team-member {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 30px;
    background: linear-gradient(135deg, #FAFAFA 0%, #F5F5F5 100%);
    border-radius: 24px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    background: linear-gradient(135deg, #FFF9F5 0%, #F0FAF7 100%);
}

.member-photo {
    width: 180px;
    height: 180px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    background: linear-gradient(135deg, var(--accent-peach) 0%, var(--accent-mint) 100%);
    margin-bottom: 25px;
    position: relative;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 各メンバーの顔サイズ調整 */
.team-member:nth-child(1) .member-photo img {
    /* 藤田さん - デフォルト */
    object-position: center center;
}

.team-member:nth-child(2) .member-photo img {
    /* 小松原さん - デフォルト */
    object-position: center center;
}

.team-member:nth-child(3) .member-photo img {
    /* 有水さん - デフォルト */
    object-position: center center;
}

.member-info {
    flex: 1;
    width: 100%;
}

.member-name {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--main-orange);
}

.member-role {
    font-size: 1.05rem;
    color: var(--text-dark);
    opacity: 0.7;
    margin-bottom: 15px;
    font-weight: 500;
}

.member-location {
    font-size: 0.9rem;
    color: var(--accent-mint);
    font-weight: 600;
    margin-bottom: 20px;
    background: rgba(184, 224, 210, 0.2);
    display: inline-block;
    padding: 6px 18px;
    border-radius: 20px;
}

.member-bio {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-dark);
    opacity: 0.85;
    text-align: left;
}

/* お問い合わせ */
.contact {
    background-color: #FF6B35;
    background: linear-gradient(135deg, #FF6B35 0%, #FFB98A 100%);
    background: -webkit-linear-gradient(315deg, #FF6B35 0%, #FFB98A 100%);
    background: -moz-linear-gradient(315deg, #FF6B35 0%, #FFB98A 100%);
    background: -o-linear-gradient(315deg, #FF6B35 0%, #FFB98A 100%);
    background: linear-gradient(135deg, var(--main-orange) 0%, var(--accent-peach) 100%);
    color: white;
    color: #FFFFFF;
}

.contact .section-title,
.contact .section-subtitle {
    color: white;
}

.contact .section-subtitle {
    opacity: 0.9;
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 60px;
    border-radius: 24px;
    -webkit-border-radius: 24px;
    -moz-border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    -webkit-box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    -moz-box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 12px;
    font-weight: 600;
    color: white;
    font-size: 1.05rem;
}

.form-group label .required {
    color: #FFD93D;
    margin-left: 5px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 18px 24px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23333' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
    padding-right: 45px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    background: white;
    color: var(--main-orange);
    width: 100%;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 20px;
    margin-top: 20px;
    /* Flexboxを有効にする */
    display: flex;
    /* アイテムを垂直方向の中央に揃える */
    align-items: center;
    /* アイテムを水平方向の中央に揃える */
    justify-content: center; 
    /* アイコンとテキストの間の隙間 */
    gap: 8px; 
}

.submit-btn:hover {
    background: var(--gray-light);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* フッター */
footer {
    padding: 80px 40px 40px;
    background: var(--text-dark);
    color: white;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

/* フッターロゴ - 横並び修正 */
.footer-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.footer-logos img:first-child {
    width: 60px;
    height: 60px;
}

.footer-logos img:last-child {
    height: 40px;
    width: auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    font-weight: 500;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-divider {
    width: 100px;
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
    margin: 40px auto;
}

.footer-bottom {
    opacity: 0.6;
    font-size: 0.95rem;
}

/* レスポンシブ */
@media (max-width: 1024px) {
    .vision-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .team-members-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .mascot-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .mascot-photo {
        margin: 0 auto 30px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    /* ヒーローセクション */
    h1 {
        font-size: clamp(2rem, 6vw, 3rem);
        line-height: 1.4;
    }
    
    .tagline {
        font-size: clamp(1rem, 3.5vw, 1.3rem);
        line-height: 1.6;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
        margin-top: 30px;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    section {
        padding: 60px 20px;
    }
    
    .section-title {
        font-size: clamp(2rem, 5vw, 2.5rem);
        line-height: 1.4;
    }
    
    .section-subtitle {
        font-size: 1rem;
        line-height: 1.7;
    }
    
    .vision-statement {
        margin: 30px auto 60px;
        padding: 25px 20px;
    }
    
    .vision-statement p {
        font-size: 1rem;
        line-height: 1.8;
    }
    
    .vision-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .vision-image {
        height: 300px;
    }
    
    .story-block {
        grid-template-columns: 80px 1fr;
        gap: 30px;
        margin-bottom: 40px;
    }
    
    .story-number {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .story-text h3 {
        font-size: 1.5rem;
        line-height: 1.4;
        margin-bottom: 15px;
    }
    
    .story-text p {
        font-size: 1rem;
        line-height: 1.8;
    }
    
    .rocket-stages {
        grid-template-columns: 1fr;
    }
    
    .rocket-connector {
        display: none;
    }
    
    .team-mascot-section {
        padding: 35px 25px;
        margin-bottom: 40px;
    }
    
    .mascot-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .mascot-photo {
        width: 150px;
        height: 150px;
        margin: 0 auto;
    }
    
    .mascot-name {
        font-size: 1.8rem;
    }
    
    .mascot-bio {
        font-size: 1rem;
        padding: 20px;
    }
    
    .team-members-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .team-member {
        padding: 30px 20px;
    }
    
    .member-photo {
        width: 150px;
        height: 150px;
        margin: 0 auto 20px;
    }
    
    .contact-form {
        padding: 40px 30px;
    }
    
    .footer-logos {
        gap: 20px;
    }
    
    .footer-logos img:first-child {
        width: 50px !important;
        height: 50px !important;
    }
    
    .footer-logos img:last-child {
        height: 35px !important;
    }
}

/* アニメーション */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    -webkit-transform: translateY(30px);
    -moz-transform: translateY(30px);
    -ms-transform: translateY(30px);
    -o-transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    -moz-transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    -o-transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
}

/* プライバシーポリシーページ用スタイル */
.privacy-hero {
    padding: 150px 40px 80px;
    background: linear-gradient(135deg, var(--main-orange) 0%, var(--accent-peach) 100%);
    color: white;
    text-align: center;
}

.privacy-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 20px;
}

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

.privacy-section h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--main-orange);
}

.privacy-section h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    margin-top: 30px;
    color: var(--text-dark);
}

.privacy-section p,
.privacy-section li {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 15px;
    color: var(--text-dark);
    opacity: 0.85;
}

.privacy-section ul {
    margin-left: 30px;
    margin-bottom: 20px;
}

.privacy-date {
    text-align: right;
    font-size: 1rem;
    color: var(--text-dark);
    opacity: 0.7;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

/* --- デフォルト（PC）のスタイル --- */
.sp-only {
  display: none; /* sp-onlyクラスのbrを非表示に */
}

.pc-only {
  display: inline; /* pc-onlyクラスのbrを表示 */
}

/* --- 画面幅が767px以下（スマホ）のスタイル --- */
@media screen and (max-width: 767px) {
  .sp-only {
    display: block; /* sp-onlyクラスのbrを表示に戻す */
  }
  
  .pc-only {
    display: none; /* pc-onlyクラスのbrを非表示に */
  }
}