/* Reset & Base */
:root {
    --primary: #007988;    /* 参考画像のメインカラー（ティールグリーン） */
    --primary-dark: #005f6b;
    --accent: #ff8c00;     /* 参考画像のCTAカラー（オレンジ） */
    --accent-hover: #e67e00;
    --text: #333333;
    --text-light: #666666;
    --bg-light: #eef7f8;   /* 薄いティール系の背景色 */
    --white: #ffffff;
    --font-base: 'Noto Sans JP', sans-serif;
    --font-num: 'Roboto', sans-serif; /* 数字強調用 */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-base);
    color: var(--text);
    line-height: 1.6;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; transition: 0.3s; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
}

.text-center { text-align: center; }
.text-teal { color: var(--primary); }
.sp-only { display: none; }
@media (max-width: 768px) { .sp-only { display: block; } }

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    padding: 0 5%;
    max-width: 1200px;
    margin: 0 auto;
}
.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
}
.nav { display: flex; align-items: center; gap: 30px; }
.nav-link { color: var(--text); font-weight: 700; font-size: 0.9rem; }
.nav-link:hover { color: var(--primary); }
.btn-header {
    background: var(--primary);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.9rem;
}
@media (max-width: 768px) { .nav { display: none; } }

/* Hero Section */
.hero {
    position: relative;
    padding-top: 100px; /* Header分 */
    padding-bottom: 60px;
    background: linear-gradient(135deg, #008c9e 0%, #005f6b 100%);
    color: var(--white);
    overflow: hidden;
    min-height: 600px;
}

/* 幾何学模様の背景（CSSで疑似的に再現） */
.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
}
.hero-bg-pattern::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    z-index: 0;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1;
}

.hero-text { flex: 1; max-width: 600px; padding-right: 20px; }
.hero-img { 
    /* 横幅と高さをここで固定します */
    flex: 0 0 450px;       /* 横幅 */
    height: 500px;         /* 高さ（お好みで調整してください） */
    
    position: relative;
    z-index: 1;
    
    /* 画像が枠からはみ出さないようにする場合（角丸にしたい時など） */
    /* overflow: hidden; */
    /* border-radius: 20px; */ 
}

.hero-img img {
    width: 100%;           /* 親要素(.hero-img)の幅いっぱいに */
    height: 100%;          /* 親要素(.hero-img)の高さいっぱいに */
    
    /* ▼ ここが重要：比率を保ったまま隙間なく埋める ▼ */
    object-fit: cover;     
    
    /* ▼ 画像のどこを中心に表示するか（人物なら center top がおすすめ） ▼ */
    object-position: 40% top; 
    
    /* 下部をフェードさせる演出（不要なら削除してください） */
    mask-image: linear-gradient(to bottom, black 85%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 85%, transparent 100%);
}

.hero-sub { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; opacity: 0.9; }
.hero-title {
    font-size: 2.8rem;
    line-height: 1.3;
    font-weight: 700;
    margin-bottom: 30px;
}
.hero-title .accent-text { color: #fff700; /* 黄色で強調 */ font-size: 3.2rem; }
.hero-title .sup { font-size: 1rem; vertical-align: top; }

/* Laurel (権威付けあしらい) */
.laurel-wrapper {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}
.laurel-item {
    display: flex;
    align-items: center;
    gap: 5px;
}
.laurel-icon {
    width: 30px;
    height: 60px;
    border-left: 4px solid #ffd700; /* 金色 */
    border-radius: 50% 0 0 50%;
}
.laurel-icon.flip {
    transform: scaleX(-1);
}
.laurel-text {
    text-align: center;
    color: #ffd700;
}
.laurel-text .label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: -5px;
}
.laurel-text .number {
    font-family: var(--font-num);
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
}
.laurel-text .unit { font-size: 1.2rem; }

/* Buttons */
.hero-cta { display: flex; gap: 15px; flex-wrap: wrap; margin-bottom: 15px; }
.btn-orange {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--white);
    font-weight: 700;
    padding: 15px 40px;
    border-radius: 5px;
    font-size: 1.1rem;
    box-shadow: 0 4px 0 #cc7000; /* 立体的なボタン */
}
.btn-orange:hover {
    transform: translateY(2px);
    box-shadow: 0 2px 0 #cc7000;
    background: var(--accent-hover);
}
.btn-white {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    color: var(--primary);
    font-weight: 700;
    padding: 15px 40px;
    border-radius: 5px;
    font-size: 1.1rem;
    box-shadow: 0 4px 0 rgba(0,0,0,0.1);
}
.btn-white:hover {
    transform: translateY(2px);
    box-shadow: 0 2px 0 rgba(0,0,0,0.1);
    background: #f9f9f9;
}
.arrow { margin-left: 10px; font-family: monospace; }

.hero-note { font-size: 0.8rem; opacity: 0.7; }

@media (max-width: 900px) {
    .hero-container { flex-direction: column; text-align: left; }
    .hero-text { width: 100%; margin-bottom: 40px; }
    .hero-img { 
        width: 80%;        /* スマホでの横幅 */
        max-width: 350px; 
        height: 400px;     /* スマホでの高さ */
        flex: none;        /* フレックス解除 */
        align-self: center;
        margin-top: 30px;
    }
    .hero-title { font-size: 2rem; }
    .hero-title .accent-text { font-size: 2.4rem; }
    .laurel-wrapper { justify-content: flex-start; }
    .hero-cta { flex-direction: column; width: 100%; }
    .btn-orange, .btn-white { width: 100%; }
}

/* Problem Section */
.section { padding: 80px 0; }
.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 50px;
    color: var(--text);
}
.problem { background-color: var(--bg-light); }

.problem-box {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    text-align: center;
}
.problem-list { margin-bottom: 30px; text-align: left; display: inline-block; }
.problem-list li {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}
.check-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    margin-right: 15px;
    font-weight: bold;
    flex-shrink: 0;
}
.underline {
    background: linear-gradient(transparent 60%, #ffe4b5 60%);
}
.problem-arrow {
    width: 0; 
    height: 0; 
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 20px solid #ddd;
    margin: 0 auto 20px;
}
.problem-solution {
    font-size: 1.4rem;
    color: var(--primary);
}

/* Value Section (Cards) */
.value { background: var(--white); }
.value-grid {
    display: flex;
    gap: 30px;
    justify-content: center;
}
.value-card {
    flex: 1;
    background: var(--white);
    border: 1px solid #ddd;
    border-radius: 4px;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.value-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.card-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    background: #fcfcfc;
}
.card-num {
    display: block;
    font-family: var(--font-num);
    font-size: 2rem;
    font-weight: 900;
    color: #aedce0; /* 薄いティール */
    line-height: 1;
    margin-bottom: 10px;
}
.card-title {
    font-size: 1.2rem;
    color: var(--primary);
    font-weight: 700;
}
.card-arrow {
    margin-top: 10px;
    color: var(--primary);
    font-weight: bold;
}
.card-body {
    padding: 30px 20px;
}
.card-body .catch {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 15px;
}
.card-body .desc {
    font-size: 0.9rem;
    color: var(--text-light);
    text-align: left;
}

@media (max-width: 768px) {
    .value-grid { flex-direction: column; }
    .section-title {
        font-size: 8vw;
        line-height: 1.5;
    }
}

/* Numbers Section */
.numbers {
    background: var(--primary);
    color: var(--white);
    padding: 60px 0;
}
.numbers-wrapper {
    display: flex;
    justify-content: center;
    gap: 60px;
    text-align: center;
}
.num-label {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    opacity: 0.9;
}
.num-data {
    font-family: var(--font-num);
    font-size: 1.5rem;
    font-weight: 900;
}
.num-data .big {
    font-size: 4rem;
    line-height: 1;
}
.num-desc { margin-top: 10px; font-size: 0.9rem; opacity: 0.8; }
@media (max-width: 768px) {
    .numbers-wrapper { flex-direction: column; gap: 40px; }
}

/* Flow Section */
.flow { background: var(--bg-light); }
.flow-list {
    max-width: 800px;
    margin: 0 auto;
}
.flow-item {
    background: var(--white);
    padding: 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    border-radius: 4px;
    border: 1px solid #ddd;
}
.step-badge {
    background: var(--primary);
    color: var(--white);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.8rem;
    line-height: 1.2;
    margin-right: 20px;
    flex-shrink: 0;
}
.step-badge span { font-size: 1.4rem; font-family: var(--font-num); }
.flow-content h3 { color: var(--primary); margin-bottom: 5px; font-size: 1.2rem; }
.flow-content p { font-size: 0.95rem; color: var(--text-light); }
@media (max-width: 600px) {
    .flow-item { flex-direction: column; text-align: center; }
    .step-badge { margin: 0 auto 15px; width: 55px; height: 55px; font-size: 2.6vw;}
    .flow-content h3 {
        margin-bottom: 5%;
    }
    .flow-content p {
        text-align: left;
    }
}

/* =========================================
   Entry Form Section
   ========================================= */
.entry-section {
    /* background-color: #f4f8f9; */
    padding: 100px 0;
}

.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: #fff;
    padding: 60px;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
}

.form-note {
    text-align: center;
    margin-bottom: 40px;
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* フォーム共通 */
.entry-form {
    width: 100%;
}

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

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
    font-size: 0.95rem;
}

/* 必須・任意バッジ */
.badge-required, .badge-optional {
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 8px;
}
.badge-required {
    background: var(--primary);
    color: #fff;
}
.badge-optional {
    background: #eee;
    color: #666;
}

/* 入力フィールド */
input[type="text"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: 0.3s;
    background: #fdfdfd;
}

/* フォーカス時のデザイン */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(0, 121, 136, 0.1);
}

/* Selectの矢印カスタマイズ */
.select-wrapper {
    position: relative;
}
.select-wrapper::after {
    content: '▼';
    font-size: 0.8rem;
    color: #888;
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}
select {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}

/* ファイルアップロードのデザイン */
.file-input-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}
.file-input-wrapper input[type="file"] {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}
.file-custom-label {
    display: block;
    width: 100%;
    padding: 15px;
    background: #f9f9f9;
    border: 1px dashed #ccc;
    border-radius: 4px;
    text-align: center;
    color: #888;
    font-size: 0.9rem;
    transition: 0.3s;
}
.file-input-wrapper:hover .file-custom-label {
    background: #f0fbff;
    border-color: var(--primary);
    color: var(--primary);
}

/* プライバシーポリシーチェックボックス */
.form-privacy {
    text-align: center;
    margin-bottom: 40px;
}
.checkbox-label {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
}
.checkbox-label input {
    display: none;
}
.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #ddd;
    border-radius: 3px;
    margin-right: 10px;
    position: relative;
    transition: 0.3s;
}
/* チェック時のスタイル */
.checkbox-label input:checked + .checkbox-custom {
    background: var(--primary);
    border-color: var(--primary);
}
.checkbox-label input:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.privacy-text a {
    color: var(--primary);
    text-decoration: underline;
}

/* 送信ボタンエリア */
.form-submit {
    text-align: center;
}
.form-submit .btn-orange {
    width: 100%;
    max-width: 300px;
    border: none;
    cursor: pointer;
}

@media (max-width: 768px) {
    .form-wrapper {
        padding: 30px 20px;
    }
}

/* Footer */
.footer {
    background: #222;
    color: #888;
    padding: 30px 0;
    text-align: center;
}
.footer-logo {
    color: var(--white);
    font-weight: 900;
    font-size: 1.5rem;
    margin-bottom: 10px;
}
.copyright { font-size: 0.8rem; }

/* Animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s, transform 0.8s;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}


/* =========================================
   Business Section (Typography Focused)
   ========================================= */
.numbers-simple {
    background-color: #fff;
    padding: 100px 0;
    border-bottom: 1px solid #eee;
}

.section-header-simple {
    text-align: center;
    margin-bottom: 60px;
}
.section-header-simple .title {
    font-family: var(--font-num);
    font-size: 3rem;
    font-weight: 900;
    color: rgba(0, 121, 136, 0.05); /* 背景に溶け込む巨大な文字 */
    line-height: 1;
    letter-spacing: 0.05em;
    margin-bottom: -20px;
    position: relative;
    z-index: 0;
}
.section-header-simple .sub {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    position: relative;
    z-index: 1;
}

.numbers-grid-simple {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0; /* 境界線で区切るためギャップなし */
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.num-item {
    text-align: center;
    padding: 40px 20px;
    border-right: 1px solid #eee;
    transition: background-color 0.3s;
}
.num-item:first-child { border-left: 1px solid #eee; }

.num-item:hover {
    background-color: #fcfcfc;
}

.num-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 15px;
    display: inline-block;
    border-bottom: 2px solid var(--accent); /* オレンジのアクセント線 */
    padding-bottom: 5px;
}

.num-value {
    color: var(--primary);
    margin-bottom: 10px;
    line-height: 1;
}
.num-value .val {
    font-family: var(--font-num);
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}
.num-value .unit {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-left: 5px;
}

.num-desc {
    font-size: 0.85rem;
    color: #888;
    line-height: 1.5;
}

@media (max-width: 900px) {
    .numbers-grid-simple {
        grid-template-columns: repeat(2, 1fr);
    }
    .num-item:nth-child(2) { border-right: 1px solid #eee; } /* スマホ用のボーダー調整 */
    .num-item:nth-child(even) { border-right: 1px solid #eee; }

    .section-header-simple .sub {
        font-size: 8vw;
        line-height: 1.5;
    }
}
@media (max-width: 480px) {
    .numbers-grid-simple {
        grid-template-columns: 1fr;
    }
    .num-item { border-right: 1px solid #eee; border-left: 1px solid #eee; border-bottom: 1px solid #eee; }
    .num-item:last-child { border-bottom: none; }
    .section-header-simple .title { font-size: 2.5rem; }
}



/* =========================================
   Case Study (Refined Design)
   ========================================= */
.case-study {
    background-color: #fff; /* 白背景で清潔感を出す */
    padding: 100px 0;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px; /* カード間の余白を広めに */
    margin-bottom: 60px;
}

/* カード全体 */
.case-card {
    display: block;
    color: inherit;
    transition: transform 0.3s ease, opacity 0.3s;
}

.case-card:hover {
    transform: translateY(-5px);
    opacity: 1;
}

/* 画像エリア */
.case-thumb {
    position: relative;
    width: 100%;
    padding-top: 60%; /* アスペクト比固定 (16:9に近い) */
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.case-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.case-card:hover .case-thumb img {
    transform: scale(1.08);
}

.case-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 50px; /* 丸みのあるタグ */
    letter-spacing: 0.1em;
    backdrop-filter: blur(2px);
}

/* テキストエリア */
.case-body {
    padding: 0 10px;
}

.case-title {
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: 25px;
    color: var(--text);
    /* 背景アニメーション関連のプロパティを削除し、色の遷移のみ指定 */
    transition: color 0.3s ease;
}

.case-card:hover .case-title {
    /* 背景移動（background-position）を削除 */
    color: var(--primary); /* 文字色のみ変更 */
}

/* Before/After Stats (List Style) */
.case-stats {
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    padding: 15px 0;
    margin-bottom: 20px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    margin-bottom: 8px;
}
.stat-row:last-child { margin-bottom: 0; }

.stat-label {
    color: #999;
    font-weight: 700;
    font-size: 0.8rem;
    width: 40px;
}

.stat-diff {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stat-diff .before {
    color: #aaa;
    text-decoration: line-through;
    font-size: 0.85rem;
}

.stat-diff .arrow {
    color: var(--primary);
    font-size: 0.8rem;
}

.stat-diff .after {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.1rem;
    font-family: var(--font-num);
}

.case-desc {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3; /* 3行で省略 */
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-meta {
    font-size: 0.85rem;
    text-align: right;
}

.case-meta .name {
    font-weight: 700;
    color: var(--text);
    margin-right: 10px;
}

.case-meta .detail {
    color: #999;
}

/* View More Button */
.view-more-container {
    text-align: center;
    margin-top: 50px;
}

.btn-more {
    display: inline-block;
    padding: 12px 40px;
    border: 1px solid #ddd;
    border-radius: 50px;
    color: var(--text);
    font-weight: 700;
    font-size: 0.9rem;
    transition: 0.3s;
}

.btn-more:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: #f0fbff;
}

@media (max-width: 768px) {
    .case-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        max-width: 500px;
        margin: 0 auto 40px;
    }
    .case-title {
        font-size: 1.3rem;
    }
}



/* =========================================
   Hamburger Menu & SP Nav
   ========================================= */
/* ハンバーガーボタン */
.hamburger {
    display: none; /* PCでは非表示 */
    position: relative;
    width: 30px;
    height: 24px;
    cursor: pointer;
    z-index: 2000;
}

.hamburger span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 11px; }
.hamburger span:nth-child(3) { bottom: 0; }

/* ハンバーガーが開いた時のアニメーション */
.hamburger.active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

/* スマホ用全画面メニュー */
.sp-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1500;
    opacity: 0;
    pointer-events: none; /* 見えてない時はクリック不可 */
    transition: opacity 0.3s ease;
}

.sp-nav.active {
    opacity: 1;
    pointer-events: auto;
}

.sp-nav-list {
    text-align: center;
}

.sp-nav-list li {
    margin-bottom: 30px;
}

.sp-nav-link {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
}

.sp-btn {
    display: inline-block;
    padding: 15px 40px;
    font-size: 1.1rem;
    margin-top: 10px;
}

/* =========================================
   Mobile Optimization (Media Queries)
   スマホ表示の調整
   ========================================= */
@media (max-width: 768px) {
    /* ハンバーガーを表示 */
    .hamburger {
        display: block;
    }
    
    /* FV（ヒーローエリア）の調整 */
    .hero {
        padding-top: 90px; /* ヘッダー被り回避 */
        padding-bottom: 40px;
        height: auto;
        min-height: auto;
        text-align: left; /* 左揃えで見やすく */
    }

    .hero-container {
        flex-direction: column-reverse; /* 画像を上に、テキストを下に */
        gap: 30px;
    }

    /* 画像のサイズ調整 */
    .hero-img {
        width: 100%;
        max-width: 100%;
        height: 250px; /* 高さを抑えてスクロール量を減らす */
        margin-top: 0;
        border-radius: 8px; /* 角丸で柔らかく */
        overflow: hidden;
    }

    .hero-sub {
        font-size: 4.5vw;
    }

    /* テキスト周りの調整 */
    .hero-text {
        width: 100%;
        padding-right: 0;
    }

    .hero-title {
        font-size: 7.2vw;
        line-height: 1.4;
        margin-bottom: 20px;
    }
    
    .hero-title .accent-text {
        font-size: 10.5vw;
        padding-left: 5px;
    }

    .hero-title .sup {
        font-size: 35%;
    }

    /* 実績バッジ（月桂樹）を横並びに */
    .hero-achievements-simple {
        width: 100%;
        padding: 15px;
        gap: 10px;
        justify-content: space-around; /* 均等配置 */
        background: rgba(0, 0, 0, 0.4); /* 背景を少し濃くして視認性UP */
    }
    
    .achievement-item {
        flex-direction: column; /* アイコンと文字を縦積みに */
        gap: 5px;
        text-align: center;
    }
    
    .laurel-simple {
        width: 30px;
        height: 30px;
    }

    .achieve-num {
        font-size: 1.5rem;
    }

    /* CTAボタン */
    .hero-cta {
        flex-direction: column;
        gap: 15px;
    }
    .btn-orange, .btn-white {
        width: 100%;
        text-align: center;
        padding: 15px;
    }
}