:root {
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    --color-bg: #f9f9f9;
    --color-text: #37352f;
    --color-black: #111;
    --color-white: #fff;
    --color-gray-light: #f0f0f0;
    --spacing-section: 120px;
}

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

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

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

table {
    display: table;
    border-collapse: separate;
    box-sizing: border-box;
    text-indent: initial;
    unicode-bidi: isolate;
    border-spacing: 2px;
    border-color: gray;
}

ul {
    list-style-position: inside;
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.header__logo-img {
    width: 120px;
    height: auto;
}

.header__nav-list {
    display: flex;
    gap: 32px;
}

.header__nav-item a {
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.02em;
    color: var(--color-text);
}

/* Hero */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero__content {
    text-align: center;
    z-index: 1;
    padding: 0 20px;
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.3;
    color: var(--color-black);
    letter-spacing: 0.02em;
}

.main {
    padding: 12px;
    max-width: 1024px;
    margin: 0 auto;
}

/* Sections */
.section {
    padding-bottom: 32px;
}

.section__title {
    font-family: var(--font-secondary);
    font-size: 2.2rem;
    font-weight: 800;
    /* margin-bottom: 20px; */
    line-height: 2.4;
}

.section__subtitle {
    margin-top: 24px;
}

.mission__bg img {
    width: 100%;
    height: 100%;
}

.mission__text p {
    margin-bottom: 40px;
}

/* Service */
.service__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 80px 60px;
}

.service__item {
    background: transparent;
}

.service__img {
    width: 100%;
    aspect-ratio: 16/9;
    background-color: #e5e5e5;
    border-radius: 8px;
    margin-bottom: 24px;
    overflow: hidden;
}

.service__img img {
    width: 100%;
    height: 100%;
    /* object-fit: cover; */
}

.service__name {
    font-size: 1.4rem;
    font-family: var(--font-secondary);
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-black);
}

.service__desc {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.8;
}

/* Business */
.business__list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.business__item {
    padding: 40px;
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.business__item h3 {
    font-family: var(--font-secondary);
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--color-black);
}

/* Company */
.company__list {
    margin: 0 auto;
    border-top: 1px solid #eee;
}

.company__row {
    display: flex;
    border-bottom: 1px solid #eee;
    padding: 24px 0;
}

.company__row dt {
    width: 50%;
    font-weight: 700;
    color: var(--color-black);
}

.company__row dd {
    flex: 1;
}

/* Recruit */
.recruit__btn,
.contact__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    margin-top: 20px;
    background: var(--color-black);
    color: var(--color-white);
    font-family: var(--font-secondary);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 12px;
}

.recruit__btn:hover,
.contact__btn:hover {
    opacity: 0.6;
}

/* Member */
.member__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 40px;
}

.member__item {
    text-align: center;
}

.member__img {
    width: 160px;
    height: 160px;
    background-color: #e5e5e5;
    border-radius: 50%;
    margin: 0 auto 20px;
}

.member__name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--color-black);
}

.member__role {
    font-size: 0.9rem;
    color: #888;
    font-family: var(--font-secondary);
}

/* Topics */
.topics__list {
    max-width: 800px;
    margin: 0 auto;
}

.topics__item {
    display: flex;
    align-items: baseline;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}

.topics__date {
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    color: #888;
    width: 120px;
    flex-shrink: 0;
}

.topics__link {
    font-weight: 500;
    color: var(--color-black);
}

/* Footer */
.footer {
    padding: 20px 0 20px;
    text-align: center;
    background: var(--color-black);
    color: var(--color-white);
}

.footer__nav {
    margin-bottom: 40px;
}

.footer__nav-list {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.footer__nav-item a {
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

.footer__copyright {
    font-family: var(--font-secondary);
    font-size: 0.8rem;
    opacity: 0.5;
}