:root {
    --owari-navy: #0b1a2b;
    --owari-orange: #ff5428;
    --owari-cream: #fff6f1;
    --owari-line: rgba(11, 26, 43, 0.16);
    --owari-text: #263141;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--owari-text);
    background: #fff;
    font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
    line-height: 1.8;
    letter-spacing: 0;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 70;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--owari-line);
}

.site-header__inner,
.site-footer__inner,
.front-hero__inner {
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
}

.site-header__inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--owari-navy);
    font-weight: 900;
    text-decoration: none;
}

.site-brand__mark {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    color: #fff;
    background: var(--owari-orange);
    border: 3px solid var(--owari-navy);
    border-radius: 12px;
    box-shadow: 4px 4px 0 var(--owari-navy);
    font-family: Arial, sans-serif;
    line-height: 1;
}

.site-brand__name {
    font-size: 18px;
}

.site-nav__menu,
.site-footer__menu {
    display: flex;
    align-items: center;
    gap: 24px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-nav a,
.site-footer a {
    color: var(--owari-navy);
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
}

.site-footer {
    border-top: 1px solid var(--owari-line);
    background: #f7f8fa;
}

.site-footer__inner {
    min-height: 96px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-footer p {
    margin: 0;
    color: #536071;
    font-size: 13px;
    font-weight: 700;
}

.front-hero {
    min-height: calc(100vh - 72px);
    display: grid;
    align-items: center;
    background:
        linear-gradient(rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.92)),
        repeating-linear-gradient(-45deg, #fff 0, #fff 14px, #fff0ea 14px, #fff0ea 24px);
}

.front-hero__inner {
    padding: 92px 0;
}

.front-hero__kicker {
    width: fit-content;
    margin: 0 0 22px;
    padding: 5px 18px;
    color: var(--owari-orange);
    background: #fff;
    border: 3px solid var(--owari-navy);
    border-radius: 999px;
    box-shadow: 5px 5px 0 var(--owari-navy);
    font-size: 13px;
    font-weight: 900;
}

.front-hero h1 {
    max-width: 780px;
    margin: 0;
    color: var(--owari-navy);
    font-size: clamp(42px, 5vw, 72px);
    font-weight: 950;
    line-height: 1.15;
}

.front-hero p:not(.front-hero__kicker) {
    max-width: 660px;
    margin: 28px 0 36px;
    color: #465161;
    font-size: 18px;
    font-weight: 800;
}

.front-hero__button {
    min-width: 220px;
    min-height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 26px;
    color: #fff;
    background: var(--owari-orange);
    border: 4px solid var(--owari-navy);
    border-radius: 999px;
    box-shadow: 7px 7px 0 var(--owari-navy);
    font-weight: 900;
    text-decoration: none;
}

@media (max-width: 760px) {
    .site-header__inner,
    .site-footer__inner,
    .front-hero__inner {
        width: min(100% - 28px, 1180px);
    }

    .site-header__inner,
    .site-footer__inner {
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        padding: 14px 0;
    }

    .site-nav__menu,
    .site-footer__menu {
        flex-wrap: wrap;
        gap: 14px 18px;
    }
}