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

html, body{
    width: 100%;
    overflow-x: hidden ;
}
:root{
  --bg-dark: #111;
  --text-main: #fff;
  --text-sub: #ccc;
  --accent: #fff;
}
body{
    margin: 0;
    line-height: 1.6;
    background-color: #fff;
    background: #000;
    color: var(--text-main);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.header{
    background: #111;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header-inner{
    max-width: 1100px;
    margin: 0 auto;
    padding: 26px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo{
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.nav{
    margin: 0;
    padding: 0;
}

.nav-list{
    display: flex;
    gap: 32px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-list a{
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    opacity: 0.65;
    transition: 0.25s ease;
}

.nav-list a:hover{
    opacity: 1;
    color: #cf0000;
}

.hero {
    position: relative;
    overflow: hidden;
    min-height: calc(100vh - 86px);
    padding: 110px 20px;
    text-align: left;
    background: #000;
    isolation: isolate;
}

.hero::before{
    content: "";
    position: absolute;
    inset: 0;
    background:
      linear-gradient(90deg, rgba(0,0,0,.98) 0%, rgba(0,0,0,.86) 42%, rgba(0,0,0,.42) 100%),
      url("images/gym-hero.jpg") center right / cover no-repeat;
    opacity: 0;
    filter: brightness(0.65) contrast(1.08);
    transform: scale(1.14);
    animation: heroBgReveal 4.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    z-index: -3;
}

@keyframes heroBgReveal{
    0%{
        opacity: 0;
        transform: scale(1.18);
        filter: brightness(0.35) contrast(1.15) blur(2px);
    }
    60%{
        opacity: 0.72;
        filter: brightness(0.52) contrast(1.12) blur(1px);
    }
    78%{
        opacity: 1;
        transform: scale(1.06);
        filter: brightness(0.68) contrast(1.12) blur(0);
    }
    100%{
        opacity: 1;
        transform: scale(1.04);
        filter: brightness(0.78) contrast(1.08) blur(0);
    }
}

.hero::after{
    content: "";
    position: absolute;
    right: -220px;
    bottom: -220px;
    width: 760px;
    height: 760px;
    background:
      radial-gradient(circle, rgba(207,0,0,0.29) 0%, rgba(207,0,0,0.13) 32%, transparent 68%);
    pointer-events: none;
    opacity: 0;
    transform: scale(0.55);
    filter: blur(4px);
    animation: redGlowRise 3.4s cubic-bezier(0.16, 1, 0.3, 1) 0.75s forwards;
    z-index: -1;
}

@keyframes redGlowRise{
    0%{
        opacity: 0;
        transform: scale(0.55);
        filter: blur(10px);
    }
    55%{
        opacity: 0.75;
    }
    100%{
        opacity: 1;
        transform: scale(1);
        filter: blur(2px);
    }
}

.hero-shadow{
    position: absolute;
    inset: 0;
    background:
      linear-gradient(to bottom, rgba(0,0,0,0.72) 0%, transparent 34%, rgba(0,0,0,0.72) 100%);
    opacity: 0;
    animation: shadowIn 2.8s ease-out 0.25s forwards;
    z-index: -2;
    pointer-events: none;
}

@keyframes shadowIn{
    to{
        opacity: 1;
    }
}

.hero-inner{
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
    padding-left: 28px;
    z-index: 2;
}

.hero-inner::before{
    content: "";
    position: absolute;
    left: 0;
    top: 46px;
    width: 3px;
    height: clamp(140px, 17vw, 220px);
    background: linear-gradient(to bottom, transparent, #cf0000 18%, #cf0000 82%, transparent);
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    box-shadow: 0 0 22px rgba(207,0,0,0.45);
    animation: lineIgnite 1.55s cubic-bezier(0.16, 1, 0.3, 1) 1.65s forwards;
}

@keyframes lineIgnite{
    0%{
        opacity: 0;
        transform: scaleY(0);
    }
    35%{
        opacity: 1;
    }
    100%{
        opacity: 1;
        transform: scaleY(1);
    }
}

.hero-title{
    font-size: clamp(3rem, 8vw, 6.5rem);
    line-height: 0.92;
    letter-spacing: -0.055em;
    font-weight: 800;
    overflow: hidden;
}

.title-line{
    display: block;
    overflow: hidden;
    opacity: 0;
    transform: translateY(110%);
    animation: titleReveal 1.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.title-line-01{
    color: #fff;
    animation-delay: 2.45s;
}

.title-line-02{
    color: #cf0000;
    animation-delay: 2.82s;
}

@keyframes titleReveal{
    0%{
        opacity: 0;
        transform: translateY(110%);
        filter: blur(4px);
    }
    55%{
        opacity: 1;
    }
    100%{
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

.hero-label {
    color: #9a8f86;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 6.5rem);
    line-height: 0.92;
    letter-spacing: -0.05em;
    font-weight: 800;
}

.hero h1 span {
    color: #e90707;
}

.hero-text{
    margin-top: 30px;
    max-width: 620px;
    color: rgba(255,255,255,0.84);
    font-size: clamp(1.2rem, 2vw, 1.7rem);
    line-height: 1.35;
    font-weight: 700;
    letter-spacing: 0.06em;
}

.hero-text span{
    color: #fff;
}
 

.hero-meta{
    display: grid;
    grid-template-columns: repeat(3, auto);
    gap: 30px;
    margin-top: 36px;
    width: fit-content;
    max-width: 100%;
    padding-top: 18px;
    border-top: 1px solid rgba(255,255,255,0.14);
}

.hero-meta-item{
    position: relative;
    padding-right: 30px;
    transform: translateY(-8px);
}

.hero-meta-item:not(:last-child)::after{
    content: "";
    position: absolute;
    top: 10px;
    right: 0;
    width: 1px;
    height: 34px;
    background: rgba(255,255,255,0.13);
}

.hero-meta-item span{
    display: block;
    margin-bottom: 7.5px;
    color: #cf0000;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.hero-meta-item p{
    margin: 0;
    color: rgba(255,255,255,0.74);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.12em;
    line-height: 1.35;
    margin-top: -4px;
}

.hero-btn {
    display: inline-block;
    margin-top: 36px;
    padding: 16px 34px;
    border-radius: 999px;
    background: rgba(31, 31, 31, 0.9);
    color: #f5f5f5;
    border: 1px solid rgba(202, 5, 5, 0.65);
    font-weight: 800;
    letter-spacing: 0.06em;
    transition: 0.3s ease;
    box-shadow: 0 0 18px rgba(202, 5, 5, 0.18);
}

.hero-btn:hover {
    transform: translateY(-3px);
    background: #ca0505;
    border-color: #ca0505;
    box-shadow: 0 0 28px rgba(202, 5, 5, 0.45);
}

.hero-label,
.hero-text,
.hero-meta,
.hero-btn{
    opacity: 0;
    transform: translateY(26px);
    filter: blur(4px);
    animation: cinematicFadeUp 1.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-label{
    animation-delay: 2.05s;
}

.hero-text{
    animation-delay: 3.45s;
}

.hero-meta{
    animation-delay: 3.85s;
}

.hero-btn{
    animation-delay: 4.25s;
}

@keyframes cinematicFadeUp{
    0%{
        opacity: 0;
        transform: translateY(26px);
        filter: blur(4px);
    }
    100%{
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

/* =========================
   Feature Section
========================= */

.feature{
    position: relative;
    padding: 120px 20px;
    background:
      radial-gradient(circle at 12% 38%, rgba(207,0,0,0.10), transparent 28%),
      linear-gradient(to bottom, #020202 0%, #070707 48%, #0d0d0d 100%);
    color: #fff;
    overflow: hidden;
}

.feature::before{
    content: "";
    position: absolute;
    left: -220px;
    top: 120px;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(207,0,0,0.12), transparent 68%);
    pointer-events: none;
    z-index: 0;
}

.feature::after{
    content: "";
    position: absolute;
    right: -260px;
    bottom: -260px;
    width: 640px;
    height: 640px;
    background: radial-gradient(circle, rgba(255,255,255,0.045), transparent 66%);
    pointer-events: none;
    z-index: 0;
}

.feature-heading,
.feature-items{
    position: relative;
    z-index: 1;
}

.feature-heading{
    max-width: 1100px;
    margin: 0 auto 72px;
}

.section-label{
    color:#9a8f86;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.18em;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.feature-title{
    color: rgba(255,255,255,0.86);
    font-size: clamp(2.6rem, 5.5vw, 5rem);
    line-height: 0.95;
    letter-spacing: -0.055em;
    font-weight: 900;
    margin-bottom: 47px;
    text-shadow:
      2.5px 2.5px 0 rgba(207,0,0,0.22),
      5px 5px 0 rgba(0,0,0,0.42),
      0 0 18px rgba(255,255,255,0.045);
}
   

.accent-word{
    position: relative;
    display: inline-block;
    z-index: 1;
}

.accent-word::after{
    content: "";
    position: absolute;
    left: 2px;
    right: 56px;
    bottom: 7px;
    height: 8px;
    background: linear-gradient(
        90deg,
        rgba(207,0,0,0.88),
        rgba(207,0,0,0.42)
    );
    transform: skewX(-18deg);
    box-shadow:
      0 0 22px rgba(207,0,0,0.24),
      0 0 42px rgba(207,0,0,0.25);
    z-index: -1;
}

.feature-lead{
    max-width: 640px;
    color: rgba(255,255,255,0.68);
    font-size: clamp(1.05rem, 1.45vw, 1.3rem);
    line-height: 1.2;
    letter-spacing: 0.04em;
    font-weight: 500;
    margin-top: 0;
    margin-bottom: 20px;
}

.feature-items{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-item{
    position: relative;
    overflow: hidden;
    min-height: 280px;
    padding: 38px 30px 34px;
    border: 1px solid rgba(255,255,255,0.085);
    background:
      linear-gradient(180deg, rgba(255,255,255,0.032), rgba(255,255,255,0.008)),
      radial-gradient(circle at 50% 132%, rgba(207,0,0,0.10), transparent 62%);
    box-shadow:
      inset 0 1px 0 rgba(255,255,255,0.032),
      0 24px 70px rgba(0,0,0,0.30);
    transition:
      transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
      border-color 0.55s cubic-bezier(0.16, 1, 0.3, 1),
      box-shadow 0.55s cubic-bezier(0.16, 1, 0.3, 1),
      background 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

/* カード内の文字を前面に */
.feature-item .feature-number,
.feature-item-title,
.feature-item-text{
    position: relative;
    z-index: 2;
}

/* カード全体を沈ませる暗いベール */
.feature-item::before{
    content: "";
    position: absolute;
    inset: 0;
    background:
      linear-gradient(
        to bottom,
        rgba(255,255,255,0.035) 0%,
        transparent 32%,
        rgba(0,0,0,0.50) 100%
      );
    pointer-events: none;
    z-index: 1;
}

/* 下からにじむ赤い熱 */
.feature-item::after{
    content: "";
    position: absolute;
    left: 8%;
    right: 8%;
    bottom: -105px;
    height: 180px;
    background:
      radial-gradient(
        circle,
        rgba(207,0,0,0.20),
        rgba(207,0,0,0.075) 40%,
        transparent 74%
      );
    opacity: 0.52;
    filter: blur(10px);
    transform: translateY(20px) scale(0.96);
    transition:
      opacity 0.6s ease,
      transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
    z-index: 1;
}

.feature-item:hover{
    transform: translateY(-8px) scale(1.012);
    border-color: rgba(207,0,0,0.34);
    background:
      linear-gradient(180deg, rgba(255,255,255,0.042), rgba(255,255,255,0.010)),
      radial-gradient(circle at 50% 126%, rgba(207,0,0,0.145), transparent 62%);
    box-shadow:
      0 34px 92px rgba(0,0,0,0.64),
      0 0 30px rgba(207,0,0,0.08),
      inset 0 1px 0 rgba(255,255,255,0.052);
}

.feature-item:hover::after{
    opacity: 0.88;
    transform: translateY(0) scale(1.04);
}

.feature-number{
    display: block;
    margin-bottom: 28px;
    color: rgba(207,0,0,0.92);
    font-size: 17px;
    font-weight: 900;
    letter-spacing: 0.16em;
    line-height: 1.7;
}

.feature-item-title{
    color: rgba(255,255,255,0.97);
    font-size: 28px;
    font-weight: 850;
    letter-spacing: 0.015em;
    line-height: 1.25;
    margin-bottom: 40.5px;
}

.feature-item-text{
    color: rgba(255,255,255,0.72);
    font-size: 16px;
    line-height: 1.45;
    letter-spacing: 0.028em;
}

/* Feature Animation */

.feature .section-label,
.feature .feature-title,
.feature .feature-lead{
    opacity: 0;
    transform: translateY(30px);
    filter: blur(8px);
    transition:
      opacity 1.25s ease,
      transform 1.25s cubic-bezier(0.16, 1, 0.3, 1),
      filter 1.25s ease;
}

.feature.is-visible .section-label{
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
    transition-delay: 0.12s;
}

.feature.is-visible .feature-title{
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
    transition-delay: 0.32s;
}

.feature.is-visible .feature-lead{
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
    transition-delay: 0.55s;
}

/* カード：暗闇から静かに浮かび上がる */
.feature-item{
    opacity: 0;
    transform: translateY(56px) scale(0.96);
    filter: blur(12px);
    transform-origin: center bottom;
}

.feature.is-visible .feature-item{
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
    transition:
      opacity 1.85s ease,
      transform 1.85s cubic-bezier(0.16, 1, 0.3, 1),
      filter 1.85s ease,
      border-color 0.55s cubic-bezier(0.16, 1, 0.3, 1),
      box-shadow 0.55s cubic-bezier(0.16, 1, 0.3, 1),
      background 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature.is-visible .feature-item:nth-child(2){
    transition-delay: 1.05s;
}

.feature.is-visible .feature-item:nth-child(1){
    transition-delay: 1.2s;
}

.feature.is-visible .feature-item:nth-child(3){
    transition-delay: 1.22s;
}

/* 表示後のhover */
.feature.is-visible .feature-item:hover{
    transform: translateY(-8px) scale(1.012);
}

/* =========================
   PROGRAM SECTION
========================= */

.program {
    position: relative;
    overflow: hidden;
    background: #020202;
    color: #fff;
    min-height: 100vh;
    padding: 88px 20px 78px;
    isolation: isolate;
}

.program-bg,
.program-red-light,
.program-noise {
    max-width: none;
    margin-left: 0;
    margin-right: 0;
}

.program-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(
            90deg,
            rgba(0, 0, 0, 0.90) 0%,
            rgba(0, 0, 0, 0.82) 36%,
            rgba(0, 0, 0, 0.62) 64%,
            rgba(0, 0, 0, 0.82) 100%
        ),
        linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.22) 0%,
            rgba(0, 0, 0, 0.84) 100%
        ),
        url("images/program-sec-background.jpg") center center / cover no-repeat;
    z-index: -4;
    transform: none;
}
/* 赤いライト */
.program-red-light {
    position: absolute;
    right: -18%;
    top: 18%;
    width: 680px;
    height: 680px;
    background: radial-gradient(circle, rgba(220, 0, 0, 0.34), transparent 62%);
    filter: blur(30px);
    z-index: -4;
    animation: programPulse 5.5s ease-in-out infinite alternate;
    pointer-events: none;
}

/* 全体の暗さ・映画っぽい締まり */
.program::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 78% 48%, rgba(210, 0, 0, 0.18), transparent 34%),
        radial-gradient(circle at 12% 18%, rgba(120, 0, 0, 0.13), transparent 26%),
        linear-gradient(to bottom, rgba(0,0,0,0.1), rgba(0,0,0,0.92));
    z-index: -3;
    pointer-events: none;
}

/* HEROと繋がる赤ライン */
.program::after {
    content: "";
    position: absolute;
    left: 0;
    top: 18%;
    width: 3px;
    height: 210px;
    background: linear-gradient(to bottom, transparent, #e00000, transparent);
    box-shadow: 0 0 34px rgba(255,0,0,0.75);
    z-index: 3;
    pointer-events: none;
}

.program-inner {
    position: relative;
    max-width: 1120px;
    margin: 0 auto;
    z-index: 2;
}

.program-head {
    max-width: 680px;
    margin-bottom: 42px;
}

.section-label {
    font-size: 12px;
    letter-spacing: 0.36em;
    font-weight: 800;
    color: rgba(255, 35, 35, 0.92);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.program-title {
    font-size: clamp(42px, 5.6vw, 76px);
    line-height: 0.9;
    letter-spacing: -0.06em;
    text-transform: uppercase;
    margin-bottom: 22px;
    color: rgba(255,255,255,0.96);
    text-shadow:
        0 0 18px rgba(255,0,0,0.22),
        0 0 60px rgba(255,0,0,0.12);
}

.program-lead {
    max-width: 650px;
    font-size: 16.6px;
    line-height: 1.9;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: rgba(255,255,255,0.94);
    text-shadow: 0 0 18px rgba(0,0,0,0.8);
}

/* 左テキスト / 右ビジュアル */
.program-content {
    position: relative;
    display: grid;
    grid-template-columns: 1.04fr 0.96fr;
    gap: 58px;
    align-items: start;
}

.program-text {
    position: relative;
    z-index: 4;
}

.program-point {
    position: relative;
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 16px;
    padding: 18px 0;
    min-height: 92px;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.09);
}

.program-point:first-child {
    border-top: 1px solid rgba(255,255,255,0.09);
}

.program-number {
    font-size: 14px;
    letter-spacing: 0.16em;
    color: rgba(255, 35, 35, 0.95);
    font-weight: 900;
    padding-top: 2px;
    text-shadow: 0 0 20px rgba(255,0,0,0.45);
    margin-top: -8px;
}

.program-point h3 {
    font-size: 21px;
    margin-bottom: 6px;
    color: rgba(255,255,255,0.95);
    letter-spacing: 0.04em;
}

.program-point p {
    margin-top: 0;
    font-size: 15px;
    line-height: 1.85;
    font-weight: 400;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.8);
}

/* Flow */
.program-flow {
    position: relative;
    margin-top: 30px;
    padding: 28px 30px;
    border: 1px solid rgba(255,255,255,0.12);
    background:
        linear-gradient(135deg, rgba(255,0,0,0.16), transparent 34%),
        linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.015)),
        rgba(0,0,0,0.62);
    box-shadow:
        0 24px 80px rgba(0,0,0,0.7),
        inset 0 0 42px rgba(255,255,255,0.025),
        0 0 36px rgba(255,0,0,0.08);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.program-flow::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 42%;
    height: 2px;
    background: linear-gradient(90deg, #e00000, transparent);
    box-shadow: 0 0 26px rgba(255,0,0,0.7);
}

.program-flow::after {
    content: "";
    position: absolute;
    right: -18%;
    bottom: -48%;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(255,0,0,0.16), transparent 64%);
    filter: blur(10px);
    pointer-events: none;
}

.program-flow-head {
    position: relative;
    z-index: 1;
    margin-bottom: 20px;
}

.program-flow-head span {
    display: block;
    font-size: 16px;
    letter-spacing: 0.24em;
    color: rgba(255, 35, 35, 0.86);
    font-weight: 800;
    margin-bottom: 8px;
}

.program-flow h3 {
    font-size: 26px;
    line-height: 1;
    margin-bottom: 0;
    letter-spacing: 0.02em;
    color: rgba(255,255,255,1.1);
}

.program-flow ol {
    position: relative;
    z-index: 1;
    list-style: none;
    padding-left: 0;
    margin: 0;
    counter-reset: step;
}

.program-flow li {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 13px;
    line-height: 1.6;
    counter-increment: step;
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    letter-spacing: 0.08em;
    font-weight: 400;
}

.program-flow li:last-child {
    margin-bottom: 0;
}

.program-flow li::before {
    content: counter(step, decimal-leading-zero);
    color: rgba(255, 35, 35, 0.95);
    font-weight: 900;
    min-width: 28px;
    text-shadow: 0 0 18px rgba(255,0,0,0.45);
}

/* 人物ビジュアル */
.program-visual {
    position: sticky;
    top: 88px;
    min-height: 540px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    z-index: 1;
}

.program-visual::before {
    content: "";
    position: absolute;
    right: -28%;
    bottom: 2%;
    width: 620px;
    height: 620px;
    background: radial-gradient(circle, rgba(230,0,0,0.34), transparent 58%);
    filter: blur(24px);
    z-index: -1;
    pointer-events: none;
}

.program-visual::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    width: 82%;
    height: 34%;
    background: linear-gradient(to top, rgba(0,0,0,0.95), transparent);
    z-index: 2;
    pointer-events: none;
}

.program-visual img {
    position: relative;
    z-index: 1;
    width: min(43vw, 500px);
    height: 540px;
    object-fit: cover;
    object-position: center;
    filter: grayscale(100%) brightness(0.42) contrast(1.08);
    opacity: 0.78;
    box-shadow:
        0 36px 110px rgba(0,0,0,0.85),
        0 0 64px rgba(255,0,0,0.10);
    mask-image:
        linear-gradient(to bottom, transparent 0%, black 8%, black 84%, transparent 100%),
        linear-gradient(to right, transparent 0%, black 16%, black 100%);
    mask-composite: intersect;
    transform: translateY(-80px);
}


@keyframes programPulse {
    from {
        opacity: 0.55;
        transform: scale(0.96);
    }
    to {
        opacity: 0.9;
        transform: scale(1.04);
    }
}




.cta{
    background: linear-gradient(to bottom, #000, #0b0b0b);
    text-align: center;
    padding: 140px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.cta-text{
    font-size: 22px;
    margin-bottom: 40px;
    letter-spacing: 0.04em;
}

.cta-button{
    display: inline-block;
    padding: 18px 56px;
    border: 1px solid #fff;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.12em;
    transition: all 0.25s ease;
}

.cta-button:hover{
    background-color: #fff;
    color: #000;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255,255,255,0.15);
}

.feature-scrollbar {
    display: none;
}


@media(max-width:768px){
    
    .header-inner{
        padding: 22px 20px;
    }

    .logo{
        font-size: 13px;
        letter-spacing: 0.12em;
    }

    .nav-list{
        gap: 18px;
    }

    .nav-list a{
        font-size: 12px;
    }


   
    
    .hero-title{
        font-size: 36px ;
    }
    
     .hero::before {
    background:
      linear-gradient(
        to bottom,
        rgba(0,0,0,0.96) 0%,
        rgba(0,0,0,0.78) 38%,
        rgba(0,0,0,0.68) 68%,
        rgba(0,0,0,0.92) 100%
      ),
      url("images/gym-hero.jpg") 94% 56% / cover no-repeat;
    transform: scale(1.04);
    filter: brightness(0.58) contrast(1.08);
  }
  
  .hero-meta {
        grid-template-columns: repeat(3, minmax(0, auto));
        gap: 14px;
        width: 100%;
        max-width: 100%;
        transform: none;
    }

    .hero-meta-item {
        padding-right: 14px;
        transform: translateY(-8px);
    }

    .hero-meta-item:not(:last-child)::after {
        right: 0;
        height: 30px;
    }

    .hero-meta-item span {
        font-size: 10px;
        letter-spacing: 0.12em;
    }

    .hero-meta-item p {
        font-size: 11px;
        letter-spacing: 0.08em;
    }

   .feature {
    padding: 92px 20px;
  }

  .feature::before {
    left: -260px;
    top: 80px;
    width: 480px;
    height: 480px;
  }

  .feature::after {
    right: -300px;
    bottom: -300px;
    width: 560px;
    height: 560px;
  }

  .feature-heading {
    margin-bottom: 42px;
  }

  .section-label {
    font-size: 11px;
    margin-bottom: 14px;
    letter-spacing: 0.16em;
  }

  .feature-title {
    font-size: clamp(2.7rem, 12vw, 4rem);
    line-height: 0.98;
    letter-spacing: -0.025em;
    margin-bottom: 20px;
  }

  .feature-lead {
    max-width: 100%;
    font-size: 1.1rem;
    line-height: 1.8;
  }

  /* ここからスマホ横スライド */
  .feature-items {
    display: flex;
    grid-template-columns: none;
    gap: 18px;
    max-width: none;
    width: calc(100% + 40px);
    margin-left: -20px;
    margin-right: -20px;
    padding: 0 20px 18px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .feature-items::-webkit-scrollbar {
    display: none;
  }

  .feature-item {
    flex: 0 0 84%;
    min-height: 330px;
    padding: 36px 26px 34px;
    scroll-snap-align: start;
  }
  

  .feature-item:hover {
    transform: none;
  }

  .feature-number {
    margin-bottom: 30px;
    font-size: 15px;
  }

  .feature-item-title {
    font-size: 28px;
    line-height: 1.25;
    margin-bottom: 32px;
    font-weight: 500;
  }

  .feature-item-text {
    font-size: 17.5px;
    line-height: 1.75;
    letter-spacing: 0.035em;
  }

  /* 棒線インジケーター */
  .feature-scrollbar {
    display: block;
    position: relative;
    width: 124px;
    height: 2px;
    margin: 20px auto 0;
    background: rgba(255,255,255,0.16);
    overflow: hidden;
  }

  .feature-scrollbar-thumb {
    display: block;
    width: 38%;
    height: 100%;
    background: rgba(207,0,0,0.95);
    box-shadow: 0 0 18px rgba(207,0,0,0.55);
    transform: translateX(0);
    transition: transform 0.2s linear;
  }

  .program-content {
    grid-template-columns: 1fr;
  }

  .program-visual {
    display: none;
  }

  /* スマホ横スライドではカードを順番に出しすぎると微妙なので揃える */
  .feature.is-visible .feature-item:nth-child(1),
  .feature.is-visible .feature-item:nth-child(2),
  .feature.is-visible .feature-item:nth-child(3) {
    transition-delay: 0.75s;
  }

    
   .program {
    min-height: auto;
    padding: 96px 20px 88px;
  }

  .program-bg {
     background:
        linear-gradient(
            to bottom,
            rgba(0,0,0,0.78) 0%,
            rgba(0,0,0,0.58) 36%,
            rgba(0,0,0,0.70) 68%,
            rgba(0,0,0,0.92) 100%
        ),
        linear-gradient(
            90deg,
            rgba(0,0,0,0.78) 0%,
            rgba(0,0,0,0.48) 52%,
            rgba(0,0,0,0.76) 100%
        ),
        url("images/program-sec-background(iphone).jpg") center center/ contain no-repeat;
     background-color: #020202;
    transform: none;
    z-index: 2;
  }

  .program-red-light {
    right: -72%;
    top: 24%;
    width: 560px;
    height: 560px;
    opacity: 0.72;
  }

  .program::after {
    top: 10%;
    height: 150px;
  }

  .program-head {
    margin-bottom: 44px;
  }

  .program-title {
    font-size: clamp(46px, 13.5vw, 68px);
    line-height: 0.92;
    letter-spacing: -0.05em;
    margin-bottom: 24px;
    text-shadow:
            0 0 18px rgba(255, 0, 0, 0.22),
            0 0 48px rgba(255, 0, 0, 0.14),
            0 0 20px rgba(0, 0, 0, 0.85);
  }

  .program-lead {
    font-size: 17px;
    line-height: 2;
    letter-spacing: 0.055em;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
  }

  .program-content {
    display: block;
  }

  .program-text {
    position: relative;
    z-index: 4;
  }

  .program-point {
    grid-template-columns: 38px 1fr;
    gap: 14px;
    padding: 22px 0;
    min-height: auto;
    align-items: start;
  }

  .program-number {
    font-size: 15px;
    padding-top: 5px;
  }

   .program-point h3 {
    font-size: 26px;
    line-height: 1.2;
    margin-bottom: 10px;
  }

  .program-point p {
    font-size: 17px;
    line-height: 1.9;
    letter-spacing: 0.055em;
    font-weight: 500;
    color: rgba(255,255,255,0.76);
  }

  .program-flow {
    margin-top: 42px;
    padding: 30px 22px;
    background:
        linear-gradient(135deg, rgba(255,0,0,0.16), transparent 34%),
        rgba(0,0,0,0.76);
  }

  .program-flow-head {
    margin-bottom: 22px;
  }

  .program-flow h3 {
    font-size: 27px;
    line-height: 1.2;
  }

  .program-flow li {
    align-items: flex-start;
    font-size: 16px;
    line-height: 1.8;
    gap: 14px;
    margin-bottom: 14px;
  }

  /* スマホでは人物画像は消す */
  .program-visual {
    display: none;
  }

    html{
    scroll-behavior: smooth;
    }
    #about,
    #program,
    #contact{
      scroll-margin-top: 120px;
    }

}