/* ------------------------------
   アニメーション
------------------------------ */



/* ===============================
   ホバー時に左から右へアンダーライン
================================= */

.under-line {
 position: relative;
 display: inline-block;
 text-decoration: none;
}

.under-line.ex {
 position: relative;
 display: inline-block;
 text-decoration: none;
}

.under-line::after {
 position: absolute;
 bottom: -9px;
 left: 0;
 content: '';
 width: 100%;
 height: 2px;
 background: #fff;
 transform: scaleX(0);
 transform-origin: left center;
 transition: transform 0.3s ease;
}

.under-line.ex::after {
 background: #fff;
}

.under-line:hover::after {
 transform: scaleX(1);
}


/* ===============================
   フェイドイン
================================= */

.anm-fade_up,
.anm-fade_left,
.anm-fade_right,
.anm-fade_down,
.anm-fade_here {
 opacity: 0;
 transition: opacity 0.8s ease, transform 0.8s ease;
 transition-delay: var(--delay, 0s);
}

.anm-fade_up {
 transform: translateY(30px);
}

.anm-fade_left {
 transform: translateX(-30px);
}

.anm-fade_right {
 transform: translateX(30px);
}

.anm-fade_down {
 transform: translateY(-30px);
}

.anm-fade_here {
 transform: scale(0.98);
}

/* 表示状態 */
.animated {
 opacity: 1;
 transform: none;
}

/* 各段階（0.1秒刻み or 0.2秒刻みは調整可） */
.delay-1 {
 --delay: 0.1s;
}

.delay-2 {
 --delay: 0.2s;
}

.delay-3 {
 --delay: 0.3s;
}

.delay-4 {
 --delay: 0.4s;
}

.delay-5 {
 --delay: 0.5s;
}

.delay-6 {
 --delay: 0.6s;
}

.delay-7 {
 --delay: 0.7s;
}

.delay-8 {
 --delay: 0.8s;
}

.delay-9 {
 --delay: 0.9s;
}

.delay-10 {
 --delay: 1.0s;
}

.delay-11 {
 --delay: 1.1s;
}

.delay-12 {
 --delay: 1.2s;
}

.delay-13 {
 --delay: 1.3s;
}

.delay-14 {
 --delay: 1.4s;
}

.delay-15 {
 --delay: 1.5s;
}

.delay-16 {
 --delay: 1.6s;
}

.delay-17 {
 --delay: 1.7s;
}

.delay-18 {
 --delay: 1.8s;
}

.delay-19 {
 --delay: 1.9s;
}

.delay-20 {
 --delay: 2.0s;
}

.delay-21 {
 --delay: 2.1s;
}

.delay-22 {
 --delay: 2.2s;
}

.delay-23 {
 --delay: 2.3s;
}

.delay-24 {
 --delay: 2.4s;
}

.delay-25 {
 --delay: 2.5s;
}

.delay-26 {
 --delay: 2.6s;
}

.delay-27 {
 --delay: 2.7s;
}

.delay-28 {
 --delay: 2.8s;
}

.delay-29 {
 --delay: 2.9s;
}

.delay-30 {
 --delay: 3.0s;
}

.delay-31 {
 --delay: 3.1s;
}

.delay-32 {
 --delay: 3.2s;
}

.delay-33 {
 --delay: 3.3s;
}

.delay-34 {
 --delay: 3.4s;
}

.delay-35 {
 --delay: 3.5s;
}

.delay-36 {
 --delay: 3.6s;
}

.delay-37 {
 --delay: 3.7s;
}

.delay-38 {
 --delay: 3.8s;
}

.delay-39 {
 --delay: 3.9s;
}

.delay-40 {
 --delay: 4.0s;
}

.delay-41 {
 --delay: 4.1s;
}

.delay-42 {
 --delay: 4.2s;
}

.delay-43 {
 --delay: 4.3s;
}

.delay-44 {
 --delay: 4.4s;
}

.delay-45 {
 --delay: 4.5s;
}

.delay-46 {
 --delay: 4.6s;
}

.delay-47 {
 --delay: 4.7s;
}

.delay-48 {
 --delay: 4.8s;
}

.delay-49 {
 --delay: 4.9s;
}

.delay-50 {
 --delay: 5.0s;
}



/* ===============================
   その場でじんわりフェードイン
================================= */
.fadein-static {
 opacity: 0;
 transform: scale(0.98);
 transition: opacity 1.6s ease, transform 1.6s ease;
}

.fadein-static.show {
 opacity: 1;
 transform: scale(1);
}



/* ------------------------------
   ページトップ
------------------------------ */
#pageTop {
 position: fixed;
 bottom: 20px;
 right: 20px;
 z-index: 9999;
}

#pageTop a {
 display: flex;
 justify-content: center;
 align-items: center;
 width: 40px;
 height: 40px;
 background: #464452;
 color: #fff;
 border-radius: 30px;
 text-decoration: none;
}

#pageTop i {
 font-size: 18px;
 font-weight: bold;
 margin-left: 3px;
}

#pageTop a:hover {
 opacity: 0.7;
}