@charset "UTF-8";

:root {
    --font-main: "Helvetica Neue", sans-serif;
    --font-sub: "Klee One", cursive;
    --font-header: "Montserrat", sans-serif;
    --font-ja: "Hina Mincho", serif;
    --font-en: "Marcellus", serif;

    --color-white: #ffffff;
    --color-black: #000000;
    --color-dark: #222;
    --color-light: #f5f5f5;
    --color-accent: #f0c040;

    --shadow-text: 0 0 10px rgba(0, 0, 0, 0.7);
    --shadow-item: 1px 1px 6px rgba(0, 0, 0, 0.7);
    --bg-overlay: rgba(0, 0, 0, 0.25);

    --font-size-h1: 4rem;
    --font-size-body: 1rem;
    --font-size-catch: 1.5rem;
    --font-size-section: 2rem;
    --line-height: 1.6;

    --section-space: 5rem;
    --spacing-header-padding: 1.5rem 2rem;
    --spacing-nav-gap: 1.5rem;
    --spacing-section-padding: 2rem;
    --spacing-item-padding: 30px 20px;
    --spacing-item-gap: 30px;
    --margin-item-top: 5%;
    --margin-item-bottom: 5%;
    --margin-bottom-sm: 1rem;
    --margin-bottom-md: 5rem;
}

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

html,
body {
    height: 100%;
    overflow-x: hidden;
    font-family: var(--font-main);
}

body {
    font-family: var(--font-sub);
}

.section-block {
    padding-block: var(--section-space);
}

/* ハンバーガーメニュー */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    z-index: 1000;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--color-white);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* 開いたときのバーアニメーション */
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* メニュー（モバイル時） */
@media screen and (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.95);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transform: translateY(-100%);
        transition: transform 0.4s ease;
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .nav-links a {
        font-size: var(--font-size-catch);
        color: var(--color-white);
        text-decoration: none;
        transition: color 0.3s;
        margin-left: 0;
    }

    .nav-links a:hover {
        color: var(--color-accent);
    }
}


.hero {
    height: 100vh;
    background: url("../img/hero.jpg") no-repeat center center/cover;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-white);
    text-shadow: var(--shadow-text);
    position: relative;
    animation: bgPan 30s ease-in-out infinite alternate;
    transform: scale(1.1);
}

.split-text span {
    display: inline-block;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.6s ease-out forwards;
    margin: 5px;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bgPan {
    0% {
        background-position: 95% 35%;
    }

    100% {
        background-position: 15% 65%;
    }
}

.hero h1 {
    font-size: var(--font-size-h1);
    animation: fadeIn 2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-nav-wrap {
    width: 1000px;
    max-width: calc(100dvw - 100px);
    margin: 0 auto;
}

.content-nav {
    top: 0;
    z-index: 10;
    background-color: #fff;
    border-radius: 10px;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: 0;
    display: flex;
    position: relative;
    box-shadow: 0 5px 30px #00000012;
    padding: 15px 60px;
}

.content-nav__item a {
    display: flex;
    align-items: center;
    font-size: var(--font-size-body);
    color: var(--color-dark);
    background: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 35px 30px;
}

.content-nav__item a:hover {
    color: var(--color-accent);
    transform: translateY(-2px);
}

.nav-icon {
    width: 2rem;
    height: 2rem;
    margin-right: 1rem;
}


.section {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: var(--font-size-section);
    padding: var(--spacing-section-padding);
}

.section:nth-child(even) {
    background-color: var(--color-light);
    color: #333;
}

.section:nth-child(odd) {
    background-color: var(--color-dark);
    color: var(--color-white);
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-header-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to bottom, rgba(0, 8, 20, 0.7), rgba(0, 20, 50, 0));
    color: var(--color-white);
    z-index: 999;
}

header h2 {
    font-family: var(--font-header);
    font-size: var(--font-size-catch);
}

nav a {
    color: var(--color-white);
    text-decoration: none;
    margin-left: var(--spacing-nav-gap);
    font-size: var(--font-size-body);
    transition: color 0.3s;
}

nav a:hover {
    color: var(--color-accent);
}

.items {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: 27% 11% 12% 12% 12% 12%;
    column-gap: var(--spacing-item-gap);
    row-gap: var(--spacing-item-gap);
    height: 100vh;
    padding: var(--spacing-item-padding);
    margin-bottom: var(--margin-item-bottom);
}

.item {
    position: relative;
    background-size: cover;
    background-position: center;
    color: var(--color-white);
    font-size: var(--font-size-catch);
    display: flex;
    align-items: center;
    justify-content: center;
    text-shadow: var(--shadow-item);
    overflow: hidden;
}

.item::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
}

.item span {
    position: relative;
    z-index: 1;
}

.item--01 {
    grid-area: 1 / 1 / 4 / 3;
    position: relative;
    overflow: hidden;
}

.item--02 {
    grid-area: 1 / 3 / 4 / 5;
    background-image: url("../img/2.jpg");
}

.item--03 {
    grid-area: 4 / 3 / 8 / 4;
    position: relative;
    overflow: hidden;
}

.item--03 video,
.item--06 video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.item--04 {
    grid-area: 4 / 1 / 8 / 2;
    background-image: url("../img/4.jpg");
}

.item--05 {
    grid-area: 4 / 5 / 6 / 4;
    background-image: url("../img/5.jpg");
}

.item--06 {
    grid-area: 4 / 2 / 8 / 3;
    background-image: url("../img/1.jpg");
}

.item--07 {
    grid-area: 6 / 4 / 8 / 5;
    background-image: url("../img/7.jpg");
}

.catch-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-white);
    font-size: var(--font-size-catch);
    font-family: var(--font-ja);
    text-align: center;
}

/* 共通調整 */
.content-area,
.news-area {
    width: 100%;
    margin: 0 auto;
}

/* ------------------------
   content-area: 横並びカード
------------------------ */
.content-block-wrap {
    display: grid;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 2rem;
    width: min(77.1428571429vw + 85.7142857143px, 2320px);
    margin: auto;
}

.content-block {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.content-block a {
    text-decoration: none;
}

.content-img {
    width: 100%;
    object-fit: cover;
}

.content-text {
    padding: 1rem;
    font-size: var(--font-size-body);
    color: #333;
    line-height: var(--line-height);
}

.content-text p {
    margin: .5rem;
    font-size: min(.2448979592vw + .8801020408rem, 1.4rem);
    letter-spacing: 0;
    line-height: 1.7;
}


/* ------------------------
   news-area: 縦並びリスト型
------------------------ */
.news-area {
    margin-bottom: 10rem;
}

.section-block h2 {
    text-align: center;
    margin-bottom: var(--margin-bottom-md);
}

.news-block-wrap {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 2rem;
    margin-left: auto;
    margin-right: auto;
    padding-left: min(1.6326530612vw + 13.8775510204px, 40px);
    padding-right: min(1.6326530612vw + 13.8775510204px, 40px);
    width: min(77.1428571429vw + 85.7142857143px, 1320px);
}

.news-block {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    background: #f9f9f9;
    border-left: 5px solid var(--color-accent, #f0c040);
    padding: 1rem;
    border-radius: 0 6px 6px 0;
    transition: background 0.3s ease;
}

.news-block:hover {
    background: #fffbe8;
}

.news-img {
    width: 120px;
    height: 90px;
    object-fit: cover;
    flex-shrink: 0;
    border-radius: 4px;
}

.news-text h2 {
    margin: 0 0 0.5rem;
    font-size: min(.2448979592vw + .8801020408rem, 1.4rem);
    color: #222;
    text-align: left;
}

.news-text p {
    margin: 0;
    color: #555;
    font-size: min(.2448979592vw + .8801020408rem, 1.4rem);
    letter-spacing: 0;
    line-height: 1.7;
}

.company-area {
    padding-top: 13rem;
    position: relative;
    overflow: hidden;
}


.company-area::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1;
    clip-path: polygon(0 18%, 100% 0, 100% 100%, 0% 100%);
}

.company-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    clip-path: polygon(0 18%, 100% 0, 100% 100%, 0% 100%);
}

.company-hero-content {
    position: relative;
    z-index: 2;
    color: white;
    max-width: 800px;
    padding: 2rem;
    left: 10vw;
}

.company-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.company-subtitle {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-weight: bold;
}

.company-message {
    font-size: 1rem;
    margin-bottom: 2rem;
}

.company-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.company-btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid #fff;
    background: transparent;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.company-btn:hover {
    background: #fff;
    color: #333;
}


.scroll-fade {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-fade.show {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-fade {
    opacity: 0;
    transform: translateY(30px);
    transition: none;
}

footer {
    text-align: center;
    position: relative;
    z-index: 3;
    color: #fff;
}

@media screen and (max-width: 1024px) {
    .content-block-wrap {
        grid-template-columns: repeat(2, 1fr);
    }

    .content-nav {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px 20px;
        padding: 20px;
        text-align: center;
    }

    .content-nav__item a {
        justify-content: center;
        padding: 20px;
    }

}

@media screen and (max-width: 768px) {
    .hero h1 {
        font-size: var(--font-size-catch);
    }

    .catch-text {
        font-size: 1.2rem;
    }

    header h2 {
        font-size: 1.2rem;
    }

    .section.content-nav-section {
        padding-top: 0;
        margin-top: -30px;
    }

    .content-nav {
        grid-template-columns: 1fr;
        flex-direction: column;
        gap: 1rem;
        top: 0;
    }

    .content-nav__item a {
        font-size: var(--font-size-body);
        width: 80%;
        text-align: center;
    }

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

    .items {
        display: flex;
        flex-direction: column;
        padding: 20px;
        margin-top: 100px;
        height: auto;
    }

    .item {
        height: 250px;
        width: 100%;
        margin-bottom: 20px;
    }

    .content-block-wrap {
        flex-direction: column;
        align-items: center;
    }

    .content-block a {
        background-color: #fff;
        block-size: 100%;
        border: 2px solid #fff;
        -moz-column-gap: min(1.6326530612vw + 13.8775510204px, 40px);
        column-gap: min(1.6326530612vw + 13.8775510204px, 40px);
        display: flex;
        flex-direction: column;
        padding: min(1.6326530612vw + 23.8775510204px, 50px) min(.8163265306vw + 26.9387755102px, 40px) min(.8163265306vw + 26.9387755102px, 40px);
        row-gap: min(.8163265306vw + 26.9387755102px, 40px);
    }

    .news-block {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .news-img {
        width: 100%;
        height: auto;
    }

    .news-text h2 {
        font-size: var(--font-size-body);
    }

    .news-text p {
        font-size: var(--font-size-body);
    }

    .company-subtitle {
        font-size: 1.25rem;
    }

    .company-message {
        font-size: 0.95rem;
    }

    .company-btn {
        text-align: center;
    }
}