/* =========================================
   1. Base & Reset
   ========================================= */
:root {
    --c-primary: #ff0055;  /* Neon Pink */
    --c-accent: #00e5ff;   /* Cyber Blue */
    --c-base: #0a0e17;     /* Dark Navy */
    --c-base-light: #151a28; 
    --c-text: #ffffff;
    --font-main: 'Noto Sans JP', sans-serif;
    --header-height: 80px;
    --w-container: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--c-base);
    color: var(--c-text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img, video {
    max-width: 100%;
    vertical-align: bottom;
}

/* Utilities */
.l-container {
    max-width: var(--w-container);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.u-block-pc {
    display: inline-block;
}

/* =========================================
   2. Header
   ========================================= */
.l-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: background-color 0.4s;
}

.l-header.is-scrolled {
    background-color: rgba(10, 14, 23, 0.95);
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.l-header__inner {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.l-header__logo {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 0.05em;
    color: var(--c-text);
    text-shadow: 0 0 10px rgba(255,255,255,0.3);
}

.l-header__right {
    display: flex;
    align-items: center;
    gap: 40px;
}

.l-header__list {
    display: flex;
    gap: 30px;
}

.l-header__link {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.05em;
    position: relative;
}

.l-header__link:hover {
    color: var(--c-accent);
}

.l-header__entry-btn {
    display: inline-block;
    background-color: var(--c-primary);
    color: var(--c-text);
    padding: 10px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.05em;
    box-shadow: 0 0 15px rgba(255, 0, 85, 0.4);
}

.l-header__entry-btn:hover {
    background-color: #fff;
    color: var(--c-primary);
    box-shadow: 0 0 25px rgba(255, 0, 85, 0.8);
    transform: translateY(-2px);
}

.l-header__hamburger {
    display: none;
}

/* =========================================
   3. Hero Section (Video Background)
   ========================================= */
.p-hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

/* 動画を背景にする設定 */
.p-hero__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* 画面いっぱいに広げる */
    z-index: -2;
}

/* 動画の上のドット網掛け */
.p-hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-color: rgba(10, 14, 23, 0.4); /* 動画が明るすぎないよう少し暗く */
    background-image: radial-gradient(rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 4px 4px;
}

.p-hero__content {
    z-index: 1;
    padding: 0 20px;
    margin-top: -20px;
}

.p-hero__title {
    font-size: clamp(40px, 7vw, 80px);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 30px;
    letter-spacing: 0.05em;
    text-shadow: 0 0 20px rgba(255, 0, 85, 0.6), 2px 2px 0px rgba(0,0,0,0.5);
}

.p-hero__lead {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.8;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

/* Scroll Indicator */
.p-hero__scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 10;
}

.p-hero__scroll-text {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--c-accent);
}

.p-hero__scroll-bar {
    width: 1px;
    height: 60px;
    background: rgba(255,255,255,0.2);
    position: relative;
    overflow: hidden;
}

.p-hero__scroll-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--c-accent);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}

/* style.css の末尾付近 */

@media screen and (max-width: 768px) {
    /* ...既存のスマホ用スタイル... */

    /* ▼▼▼ ここに追記します ▼▼▼ */
    .p-hero__lead {
        font-size: 16px; /* スマホでは16pxに戻す */
        line-height: 1.8; /* 行間も標準に戻す */
    }
    /* ▲▲▲ ここまで ▲▲▲ */
}

/* =========================================
   4. Section 2: About
   ========================================= */
.p-section {
    padding: 100px 0;
}

.p-about {
    background-color: var(--c-base-light);
}

.p-section__header {
    margin-bottom: 60px;
    text-align: left;
    border-left: 5px solid var(--c-primary);
    padding-left: 20px;
}

.p-section__subtitle {
    display: block;
    font-size: 14px;
    color: var(--c-accent);
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 10px;
}

.p-section__title {
    font-size: 40px;
    font-weight: 900;
    line-height: 1;
}

.p-about__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.p-about__text-box {
    flex: 1;
}

.p-about__image-box {
    flex: 1;
}

.p-about__catch {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.5;
    background: linear-gradient(90deg, #fff, #aaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.p-about__desc {
    font-size: 16px;
    color: #ccc;
    margin-bottom: 40px;
    line-height: 1.8;
}

.p-about__img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 20px 20px 0 var(--c-primary);
}

.c-button-arrow {
    display: inline-flex;
    align-items: center;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--c-accent);
    padding-bottom: 5px;
}

.c-button-arrow::after {
    content: '→';
    margin-left: 10px;
    transition: transform 0.3s;
}

.c-button-arrow:hover::after {
    transform: translateX(5px);
}

/* =========================================
   5. Mobile Responsive
   ========================================= */
@media screen and (max-width: 768px) {
    .l-header { padding: 0 20px; }
    .l-header__nav, .l-header__entry-btn { display: none; }
    
    .l-header__hamburger {
        display: block;
        width: 30px;
        height: 20px;
        position: relative;
        cursor: pointer;
    }
    .l-header__hamburger span {
        position: absolute;
        width: 100%;
        height: 2px;
        background-color: #fff;
        left: 0;
    }
    .l-header__hamburger span:nth-child(1) { top: 0; }
    .l-header__hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
    .l-header__hamburger span:nth-child(3) { bottom: 0; }

    .u-block-pc { display: block; }
    .p-hero__title { font-size: 42px; }

    .p-about__content {
        flex-direction: column;
        gap: 40px;
    }
    .p-about__img {
        height: 250px;
        box-shadow: 10px 10px 0 var(--c-primary);
    }
    .p-about__catch { font-size: 24px; }
}