@charset "UTF-8";
/* CSS Document */

/* --- グローバルリセット & ボックスモデル --- */
*, *::before, *::after {
    box-sizing: border-box;
}

/* --- 全体デザイン設定 (モダン・グラデーション) --- */
:root {
    --color-bg: #0A1120;
    --color-panel: rgba(28, 43, 74, 0.2);
    --color-border: rgba(255, 255, 255, 0.15);
    --color-accent-mint: #9EFEE8;
    --color-accent-blue: #4391D4;
    --color-text-primary: #C5D9F0;
    --color-text-secondary: #8892b0;
    --color-text-dark: #0A1120;
    --gradient-main: linear-gradient(180deg, var(--color-accent-blue) 0%, var(--color-accent-mint) 100%);
    --gradient-accent: linear-gradient(135deg, #1DC3C8, var(--color-accent-mint));
    --gradient-cta: linear-gradient(135deg, #F7971E, #FFD205); /* CTAボタン用のグラデーション */
    --font-sans: 'Inter', sans-serif;
    --font-serif-jp: 'Noto Serif JP', serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-serif-jp), var(--font-sans); /* 日本語フォントを優先 */
    margin: 0; padding: 0; line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
	overflow-x: hidden;
}
body::before {
    content: ''; position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 24px 24px;
    z-index: -1; pointer-events: none;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* --- グラデーションテキスト効果 --- */
.text-gradient {
    background-clip: text; -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; text-fill-color: transparent;
}
.gradient-main { background-image: var(--gradient-main); }
.gradient-accent { background-image: var(--gradient-accent); }

/* --- セクション共通スタイル --- */
.section { padding: 120px 0; position: relative; }
.section-title {
    font-family: var(--font-serif-jp);
    font-size: 3.5rem; font-weight: 700;
    margin-bottom: 80px; text-align: center;
    line-height: 1.4;
    letter-spacing: -0.02em;
}
.title-left-align {
    width: -moz-fit-content;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
}
.title-left-align span {
    text-align: center;
}

.section-title span {
    font-family: var(--font-sans);
    display: block; font-size: 1rem; font-weight: 700;
    color: var(--color-accent-mint); margin-bottom: 12px;
    letter-spacing: 0.1em;
}

.dark-section-h2,
.section:not(.section-light):not(.challenges):not(.cta-section-rich) .section-title,
.section:not(.section-light):not(.challenges):not(.cta-section-rich) h2 {
    background-image: var(--gradient-main);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; text-fill-color: transparent;
}
.section:not(.section-light):not(.challenges) .section-title span { 
    -webkit-text-fill-color: var(--color-accent-mint); 
}


.section::before {
    content: ''; position: absolute; left: 50%;
    transform: translateX(-50%); width: 80%; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}
.section:first-of-type::before, .hero + .section::before, .seminar-perks::before { display: none; }
.section + .section::before { top: 0; }

.section-light { background-color: #F6F6F6; }
.section-light .section-title, .section-light h2, .section-light h3, .section-light p, .section-light li {
     -webkit-text-fill-color: initial; color: var(--color-text-dark); 
}
.section-light .section-title { background-image: none; }
.section-light .section-title span { color: var(--color-accent-blue); }
.section-light::before { background: linear-gradient(90deg, transparent, rgba(0,0,0,0.1), transparent); }

/* --- ヒーローセクション --- */
.hero {
    height: 600px;
    padding: 0;
    background-color: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero picture, .hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* --- CTAボタン (優雅なエフェクト) --- */
.cta-button {
    position: relative; overflow: hidden;
    display: inline-block; background-image: var(--gradient-cta);
    color: var(--color-text-dark); padding: 20px 50px;
    font-family: var(--font-sans); font-size: 1.4rem; font-weight: 700;
    text-decoration: none; transition: all 0.4s ease;
    border: 2px solid transparent;
    border-radius: 4px;
}
.cta-button::before {
    content: ''; position: absolute;
    top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
    transform: skewX(-30deg);
    transition: left 0.7s ease;
}
.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(247, 151, 30, 0.25);
}
.cta-button:hover::before { left: 150%; }

/* === セミナー参加特典 === */
.seminar-perks {
    min-height: 800px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background-image: url('img/perks-background.png');
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
    overflow: hidden;
}
.seminar-perks::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(10, 17, 32, 0.1);
    z-index: 1;
}
.seminar-perks .container {
    position: relative;
    z-index: 2;
    top: -20px;
}
.seminar-perks-title {
    font-family: var(--font-serif-jp);
    font-size: 2.8rem;
    color: var(--color-accent-mint);
    text-shadow: none;
    margin-bottom: 60px;
    position: relative;
    top: 15px;
    background-image: none;
    -webkit-text-fill-color: initial;
}
.perk-showcase {
    max-width: 900px;
    margin: 0 auto 40px;
    padding: 40px;
    border: 1px solid var(--color-border);
    background: var(--color-panel);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 50px;
}
.perk-showcase .perk-image-in-box img {
    width: 250px;
    height: auto;
    display: block;
    filter: drop-shadow(0 8px 25px rgba(0,0,0,0.25));
}
.perk-showcase .perk-details-in-box {
    text-align: left;
}
.perk-showcase .perk-details-in-box .catchphrase {
    font-family: var(--font-serif-jp);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-accent-mint);
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.perk-showcase .perk-details-in-box .book-title {
    font-family: var(--font-serif-jp);
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.seminar-perks .cta-block {
    margin-bottom: 20px;
}
.seminar-perks .cta-prompt {
    font-size: 1.2rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin: 0 auto 32px;
    max-width: 600px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* === ３つの実体 === */
.reason-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 40px;
    align-items: start;
    max-width: 800px;
    margin: 0 auto 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--color-border);
}
.reason-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}
.reason-number {
    font-family: var(--font-sans);
    font-size: 6rem;
    font-weight: 900;
    line-height: 1;
    background-image: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.reason-content h3 {
    font-family: var(--font-serif-jp);
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 0 15px;
    color: var(--color-text-primary);
}
.reason-content p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 10px;
    text-align: left;
}
.reason-content p.note {
    font-size: 0.9rem;
    text-align: right;
    margin-top: 15px;
}

/* === こんなお悩みありませんか? === */
.challenges {
    background-color: #FFFFFF;
    background-image: url('img/challenges_bg.png');
    background-size: cover;
    background-position: center;
}
.challenges .section-title {
    color: var(--color-text-dark);
    -webkit-text-fill-color: var(--color-text-dark);
    background-image: none;
}
.challenges .section-title span {
    color: var(--color-accent-blue);
    -webkit-text-fill-color: var(--color-accent-blue);
}
.challenges .content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 40px;
    max-width: 950px;
    margin: 0 auto;
}
.challenges .problems-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.challenges .problem-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: #f8f9fa;
    padding: 12px 18px;
    border-radius: 12px;
    border: 1px solid #dee2e6;
}
.challenges .problem-item .icon {
    font-size: 3rem;
    color: var(--color-accent-blue);
}
.challenges .problem-item p {
    color: var(--color-text-dark);
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
}
.challenges .additional-prompt {
    font-family: var(--font-serif-jp);
    margin-top: 80px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-dark);
    line-height: 1.6;
    width: -moz-fit-content;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
}
.challenges .highlight-blue {
    color: var(--color-accent-blue);
    -webkit-text-fill-color: initial;
}

/* === 解決策 === */
.solutions .solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background-color: var(--color-border); border: 1px solid var(--color-border); }
.solution-item { background: var(--color-bg); padding: 40px; text-align: left; }
.solution-item h3 { font-family: var(--font-serif-jp); font-size: 1.6rem; font-weight: 700; margin-bottom: 16px; margin-top: 0; }
.solution-item p { font-size: 1rem; color: var(--color-text-secondary); text-align: left;}

/* === ７つのメリット === */
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 1px; background-color: var(--color-border); border: 1px solid var(--color-border); max-width: 1000px; margin: 0 auto; }
.benefit-item { background: var(--color-bg); padding: 30px; display: flex; gap: 20px; align-items: center; }
.benefit-icon {
    font-size: 2.5rem;
    background-image: var(--gradient-accent);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.benefit-item-content h3 { font-family: var(--font-serif-jp); font-size: 1.3rem; font-weight: 700; margin: 0 0 8px; color: #FFF; }
.benefit-item-content p { font-size: 1rem; margin: 0; color: var(--color-text-secondary); }

/* --- 導入事例 --- */
.case-studies .case-company {
    font-family: var(--font-serif-jp);
    font-size: 2rem;
    font-weight: 700;
    margin: 80px 0 25px;
    text-align: left;
    color: #fff;
    background-image: none;
    -webkit-text-fill-color: initial;
}
.case-studies .container > .case-company:first-of-type { margin-top: 0; }
.case-item { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; margin-bottom: 80px; }
.case-panel { padding: 30px; border: 1px solid var(--color-border); }
.case-panel.before { 
    background: transparent;
    border-width: 3px;
}
.case-panel.before .case-title-sub, .case-panel.before p { color: var(--color-text-secondary); }
.case-panel.after {
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-mint));
    border-color: transparent;
}
.case-panel.after .case-title-sub, .case-panel.after p {
    color: var(--color-text-dark);
}
.case-title-sub { font-family: var(--font-sans); font-weight: 700; color: var(--color-accent-mint); margin: 0 0 15px 0; font-size: 1.2rem; text-transform: uppercase; }
.case-panel.after .case-title-sub { color: #0c3d6e; }
.case-panel p { margin: 0 0 12px; }
.after-images-inline { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0 12px; }
.case-visual-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 4px;
}
.case-highlight {
    grid-column: 1 / -1;
    background: #d0eff5;
    color: var(--color-text-dark);
    border: 1px solid var(--color-border);
    font-family: var(--font-sans);
    font-weight: 700;
    line-height: 1.8;
    padding: 25px;
    margin-top: 24px;
    text-align: left;
    font-size: 1.3rem;
    border-radius: 8px;
}
.highlight-label {
    display: block;
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-accent-blue);
    margin-bottom: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* --- 講師紹介前CTA --- */
.cta-section-rich { 
    border-top: 1px solid var(--color-border); 
    border-bottom: 1px solid var(--color-border); 
}
.cta-section-rich .container { 
    padding-top: 80px; 
    padding-bottom: 80px; 
    text-align: center; 
}
.cta-section-rich h2 { 
    font-family: var(--font-serif-jp); 
    font-size: 2.5rem; 
    font-weight: 700; 
    margin-bottom: 40px; 
}
@media (min-width: 769px) {
    .cta-section-rich {
        min-height: 600px;
        background-image: url('img/cta_bg.png');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .cta-section-rich .container {
        padding-top: 0;
        padding-bottom: 0;
    }
    .cta-section-rich h2.dark-section-h2 {
        color: var(--color-text-dark);
        background-image: none;
        -webkit-background-clip: initial;
        background-clip: initial;
        -webkit-text-fill-color: initial;
    }
}

/* --- 講師 & 会社概要 --- */
.instructor-item { text-align: center; max-width: 700px; margin: 0 auto; }
.instructor-item .profile-image {
    width: 180px; height: 180px; border-radius: 50%; margin: 0 auto 30px;
    overflow: hidden;
}
.instructor-item .profile-image img { width: 100%; height: 100%; object-fit: cover; }
.instructor-item .name { font-family: var(--font-serif-jp); font-size: 2rem; font-weight: 700; margin-bottom: 5px; color: #fff; }
.instructor-item .title { font-size: 1.1rem; color: var(--color-accent-mint); margin-bottom: 20px; font-family: var(--font-sans); }
.instructor-item .bio { font-size: 1.05rem; color: var(--color-text-secondary); text-align: left; }

/* === 会社概要 === */
.about-company .about-inner { 
    max-width: 1000px; margin: 0 auto; 
    border-top: 1px solid var(--color-border); 
    padding-top: 80px; 
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}
.about-company .company-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}
.about-company p { color: var(--color-text-secondary); font-size: 1rem; }
.about-company ul { list-style: none; padding-left: 0; margin-top: 30px;}
.about-company li { margin-bottom: 10px; color: var(--color-text-secondary); font-size: 1rem; }
.about-company li:not(.highlight-achievement) { padding-left: 2em; position: relative; }
.about-company li:not(.highlight-achievement)::before {
    content: '✓'; position: absolute; left: 0; color: var(--color-accent-mint); font-weight: bold;
}
.about-company li.highlight-achievement {
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    padding: 15px 20px 15px 85px;
    border-radius: 8px;
    color: var(--color-text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    min-height: 40px;
    position: relative;
}
.about-company li.highlight-achievement::before {
    font-family: 'Material Icons';
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3.5rem;
    color: var(--color-accent-mint);
    font-weight: normal;
    background: none;
    -webkit-text-fill-color: var(--color-accent-mint);
}
   .about-company li.highlight-achievement:first-of-type::before {
    content: 'emoji_events';
}
   .about-company li.highlight-achievement:last-of-type::before {
    content: 'workspace_premium';
}

/* === セミナー概要 === */
.seminar-layout-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
}
.seminar-outline-section .seminar-text-content {
    max-width: 800px;
    margin: 0 auto;
}
.seminar-outline-section .info-list { text-align: left; }
.seminar-outline-section .info-list ul { list-style: none; padding: 0; margin: 0; }
.seminar-outline-section .info-list li {
    margin-bottom: 0;
    font-size: 1.1rem;
    padding: 25px 10px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    align-items: baseline;
    gap: 20px;
}
.seminar-outline-section .info-list li:last-child {
    border-bottom: none;
}
.seminar-outline-section .info-list li strong {
    font-family: var(--font-serif-jp);
    font-weight: 700; 
    color: var(--color-text-dark);
    font-size: 1.4rem;
    width: 120px;
    flex-shrink: 0;
}
.price-emphasis {
    font-size: 1.8rem;
    font-weight: 700;
    color: #0c3d6e;
}
.price-emphasis .original-price {
    font-size: 1.2rem;
    text-decoration: line-through;
    color: #777;
    font-weight: 400;
    margin-right: 10px;
}

/* --- 最終CTA --- */
.final-cta { text-align: center; }
.final-cta h2 { 
    font-family: var(--font-serif-jp); 
    font-size: 2.8rem; 
    font-weight: 700; 
    margin-bottom: 40px; 
}


/* --- フッター --- */
footer { background-color: #000; color: var(--color-text-secondary); padding: 40px 20px; text-align: center; font-size: 0.9rem; }

/* --- レスポンシブ --- */
@media (max-width: 992px) {
    .section-title { font-size: 2.8rem; }
    .solutions .solution-grid { grid-template-columns: 1fr 1fr; }
    .case-item { grid-template-columns: 1fr; }
    .benefits-grid { grid-template-columns: 1fr; }
    .about-company .about-inner { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .section { padding: 80px 0; }
    .section-title { font-size: 2.2rem; margin-bottom: 40px; }
    .hero { height: auto; min-height: auto; }
    .challenges .content-wrapper { grid-template-columns: 1fr; gap: 20px; }
    .challenges .problems-list { gap: 15px; }
    .challenges .problems-list:first-of-type, .challenges .problems-list:last-of-type { align-items: stretch; text-align: left; }
    .reason-item { grid-template-columns: 1fr; text-align: center; gap: 20px;}
    .reason-number { margin: 0 auto; }
    .reason-content h3 { text-align: center; }
    /* ▼▼▼【修正箇所】▼▼▼ 説明文のテキストを左揃えに戻す指定を追加 */
    .reason-content p { text-align: left; }
    /* ▲▲▲【修正箇所】▲▲▲ */
    .solutions .solution-grid { grid-template-columns: 1fr; }
    .cta-button { font-size: 1.3rem; padding: 18px 40px; }
    .cta-section-rich h2, .final-cta h2 { font-size: 2.2rem; }
    .after-images-inline { grid-template-columns: 1fr; }
    .seminar-perks { 
        height: auto;
        padding-top: 80px;
        padding-bottom: 80px;
    }
    .seminar-perks .container { top: 0; }
    .seminar-perks-title { font-size: 2.2rem; }
    .perk-showcase { 
        flex-direction: column;
        gap: 30px;
        padding: 30px;
    }
    .perk-showcase .perk-details-in-box {
        text-align: center;
    }
    .seminar-outline-section .info-list li { flex-direction: column; align-items: flex-start; gap: 10px; }
    .seminar-outline-section .info-list li strong { width: auto; }
}