/* =========================================
   1. 全体のリセットと背景デザイン
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
}

body {
    background: radial-gradient(circle at 75% 20%, #f7f1e5 0%, #e8decb 45%, #decfae 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
    padding: 40px 24px;
}

body::before,
body::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: 0;
    opacity: 0.65;
    pointer-events: none;
}

body::before {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #fce0a2 0%, rgba(252, 224, 162, 0) 70%);
    top: -10%;
    left: 15%;
}

body::after {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, #e2cb9f 0%, rgba(226, 203, 159, 0) 70%);
    bottom: -10%;
    right: 10%;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    position: relative;
    max-width: 1200px;
    width: 100%;
    padding: 18px 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02), inset 0 4px 10px rgba(255, 255, 255, 0.3);
    margin-bottom: 40px;
}


.maintittle a {
    text-decoration: none;
}

.maintittle h1 {
    font-size: 22px;
    font-weight: 800;
    color: #1a1a1a;
    letter-spacing: 0.5px;
}



/* ==========================================
           2. ハンバーガーボタン (3本線)
        ========================================== */
.menu-btn {
    width: 30px;
    height: 22px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 100;
    /* メニューが開いた時もボタンを最前面にする */
}

.menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #333;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 【追加】メニューが開いた時(active)は、線の色を白色（#fff）にする */
.menu-btn.active span {
    background-color: #fff;
}

/* ボタンがクリックされた時(active)の「X」の形状 */
.menu-btn.active span:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}

.menu-btn.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.menu-btn.active span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

/* ==========================================
           3. フルスクリーンメニュー本体
        ========================================== */
.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    /* 初期状態は画面の右外に隠す */
    width: 100%;
    height: 100vh;
    background: rgba(17, 17, 17, 0.98);
    backdrop-filter: blur(8px);
    /* 背景を少しぼかす効果 */
    list-style: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: all 0.4s ease;
    z-index: 90;
}

/* メニューが開いた時(active) */
.nav-menu.active {
    right: 0;

    /* 右外から画面ぴったりにスライドイン */
}

.nav-menu li {
    margin: 25px 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

/* メニューが開いた後、文字をふわっと浮き上がらせる */
.nav-menu.active li {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
    /* ボタンの動きより少し遅らせる */
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-size: 1.3rem;
    letter-spacing: 2px;
    transition: color 0.3s;
    font-family: "itc-bradley-hand-std",
        sans-serif;
    font-weight: 200;
    font-style: normal;
}

.nav-menu a:hover {
    color: #fffd88;
}

.nav-menu p {
    color: #fff;
    text-decoration: none;
    font-size: 2.5rem;
    font-family: "itc-bradley-hand-std",
        sans-serif;
    font-weight: 700;
    font-style: normal;
}


/* =========================================
   5. メインレイアウトと見出し
   ========================================= */
main {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1200px;
}

.section1 {
    display: flex;
    flex-direction: column;
    margin: 0 auto;
    text-align: center;
    max-width: 850px;
    padding: 0px 0px 50px 0px;
}

.section2 {
    display: flex;
    flex-direction: column;
    margin: 0 auto;
    text-align: center;
    max-width: 850px;
    padding: 0px 0px 0px 0px;
}

.section1-tittle p {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: 3px;
    color: #222;
    margin-top: 10px;
    margin-bottom: 12px;
}

.section1-subtitle p {
    font-size: 15px;
    color: #444;
    line-height: 1.7;
    margin-bottom: 45px;
    font-weight: 500;
}

.section2-title p {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: 3px;
    color: #222;
    margin-top: 10px;
    margin-bottom: 12px;
}

.section2-subtitle p {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
    margin-bottom: 50px;
}

/* =========================================
   6. グリッドと大判ガラスカード
   ========================================= */
.grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr 1fr;
    gap: 30px;
    align-items: stretch;
    margin-bottom: 40px;
}

.card {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(25px) saturate(110%);
    -webkit-backdrop-filter: blur(25px) saturate(110%);
    border-radius: 32px;
    padding: 35px 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.border-card {
    border: 1px solid rgba(255, 255, 255, 0.65);
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 0.04),
        inset 0 12px 24px rgba(255, 255, 255, 0.45),
        inset 0 -6px 12px rgba(255, 255, 255, 0.15);
}

.card-title {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: 1px;
}

.card-subtitle {
    text-align: center;
    font-size: 12px;
    color: #777;
    margin-top: -12px;
    margin-bottom: 10px;
    font-weight: 500;
}

/* =========================================
   7. 内部パーツ（小サイズガラスレイヤー）
   ========================================= */
.item-box {
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 18px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    border: 1px solid rgba(255, 255, 255, 0.75);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.01), inset 0 4px 12px rgba(255, 255, 255, 0.4);
    transition: transform 0.3s ease, background 0.3s;
}

.item-box:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.55);
}

.item-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 22px;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.03), inset 0 2px 6px rgba(255, 255, 255, 0.6);
    flex-shrink: 0;
}

.item-icon img {
    width: 25px;
    height: auto;
}

.item-text h4 {
    font-size: 15px;
    font-weight: 700;
    color: #222;
    margin-bottom: 5px;
}

.item-text p {
    font-size: 12px;
    color: #555;
    line-height: 1.55;
}

.badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.06);
    color: #666;
    padding: 3px 10px;
    border-radius: 12px;
    margin-top: 8px;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

/* =========================================
   8. アラート（半透明カラーガラス）
   ========================================= */
.info-alert {
    margin-top: auto;
    border-radius: 20px;
    padding: 18px;
    display: flex;
    gap: 20px;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: inset 0 4px 15px rgba(255, 255, 255, 0.2);

}

.info-alert p {
    font-size: 12px;
    line-height: 1.6;
    font-weight: 500;
}

.alert-yellow {
    background: rgba(254, 241, 196, 0.55);
    color: #6b5105;
}

.alert-purple {
    background: rgba(239, 224, 255, 0.55);
    color: #4b2e6d;
}

.alert-icon img {
    width: 30px;
    height: auto;
    margin-left: 10px;
}

/* =========================================
   9. 中央：立体的な3Dガラス球体ドーム
   ========================================= */
.center-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.arrow-indicator {
    color: #f6c543;
    font-weight: bold;
    letter-spacing: -2px;
    font-size: 50px;
    opacity: 0.8;
}

.circle-display {
    width: 330px;
    height: 330px;
    border-radius: 50%;
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    background:
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0) 45%),
        radial-gradient(circle at 50% 50%, rgba(250, 235, 200, 0.25) 0%, rgba(255, 255, 255, 0.05) 80%);
    border: 2px solid rgba(255, 255, 255, 0.85);
    box-shadow:
        0 30px 60px rgba(190, 150, 90, 0.18),
        0 0 40px rgba(255, 255, 255, 0.5),
        inset 0 20px 30px rgba(255, 255, 255, 0.55),
        inset 0 -15px 25px rgba(240, 210, 140, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
    text-align: center;
}

.circle-heart-top {
    font-size: 32px;
    margin-bottom: 8px;
    filter: drop-shadow(0 4px 10px rgba(245, 180, 40, 0.3));
}

.human-icon img {
    width: 70px;
    height: auto;
    margin-bottom: 12px;
}

.circle-display h4 {
    font-size: 14px;
    font-weight: 700;
    color: #111;
    margin-bottom: 10px;
}

.circle-display p {
    font-size: 11.5px;
    color: #444;
    line-height: 1.65;
    font-weight: 500;
}

/* =========================================
   10. ボトム（横長のガラスポイント帯）
   ========================================= */
.bottom-points {
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 24px;
    padding: 24px 40px;
    display: flex;
    align-items: center;
    gap: 40px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow:
        0 15px 35px rgba(0, 0, 0, 0.02),
        inset 0 8px 16px rgba(255, 255, 255, 0.25);
    margin-top: 10px;
    margin-bottom: 35px;
}

.point-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 15px;
    color: #222;
    border-right: 1px solid rgba(0, 0, 0, 0.12);
    padding-right: 40px;
    white-space: nowrap;
}

.lightbulb {
    font-size: 20px;
}

.point-text p {
    font-size: 13px;
    color: #444;
    line-height: 1.8;
}

/* 免責文 */
.disclaimer {
    text-align: center;
    font-size: 12px;
    color: #666;
    margin-bottom: 20px;
}

.timeline-container {
    position: relative;
    padding-left: 20px;
    margin-top: 16px;
}

/* グレイ面に静かに馴染む極細縦線 */
.timeline-container::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background-color: #333;
}

.timeline-item {
    position: relative;
    margin-bottom: 28px;
    padding-bottom: 4px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

/* タイムライン上のソリッドな白いドット */
.timeline-dot {
    position: absolute;
    left: -23.5px;
    top: 6px;
    width: 8px;
    height: 8px;
    background-color: black;
    /* 黒背景に映えるピュアホワイトの点 */
    border-radius: 50%;
    border: 2px solid #333;
    ;
    /* 背後の線をマスクするグレイの余白 */
    z-index: 2;
}

.timeline-body h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.timeline-body p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.timeline-arrow {
    display: none;
}

.content1content2 {
    border-radius: 32px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.04), inset 0 12px 24px rgba(255, 255, 255, 0.45), inset 0 -6px 12px rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.25);
    margin-top: 20px;
    padding: 24px 24px;
    backdrop-filter: blur(25px) saturate(110%);
    -webkit-backdrop-filter: blur(25px)
}

/* =========================================
   11. レスポンシブ
   ========================================= */
@media (max-width: 992px) {
    .grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .center-container {
        flex-direction: column;
        padding: 20px 0;
    }

    .arrow-indicator {
        transform: rotate(90deg);
        margin: 10px 0;
    }

    .bottom-points {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        padding: 25px;
    }

    .point-badge {
        border-right: none;
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
        padding-right: 0;
        padding-bottom: 12px;
        width: 100%;
    }
}