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

body {
    font-family: "Avenir Next", "Avenir", "Century Gothic", "Futura", -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Arial", "Yu Gothic", "Meiryo", sans-serif;
    background: #fff;
    color: #111;
    -webkit-font-smoothing: antialiased;
    line-height: 1.55;
}

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

a {
    color: inherit;
    text-decoration: none;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.65);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.site-nav {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px;
    display: grid;
    grid-template-columns: 44px 1fr 44px;
    grid-template-areas:
        "toggle logo ig"
        "menu menu menu";
    align-items: center;
    column-gap: 12px;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    position: relative;
}

.nav-toggle {
    grid-area: toggle;
    justify-self: start;
    width: 44px;
    height: 44px;
    margin: -10px 0 -10px -10px;
    padding: 0;
    border: 0;
    background: transparent;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.nav-toggle-bar {
    display: block;
    width: 18px;
    height: 1.5px;
    background: #111;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav.is-open .nav-toggle-bar:first-child {
    transform: translateY(3.75px) rotate(45deg);
}

.site-nav.is-open .nav-toggle-bar:last-child {
    transform: translateY(-3.75px) rotate(-45deg);
}

.nav-logo {
    grid-area: logo;
    justify-self: center;
}

.nav-instagram {
    grid-area: ig;
    justify-self: end;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin: -10px -10px -10px 0;
    opacity: 0.7;
}

.nav-instagram:hover { opacity: 1; }

.nav-menu {
    grid-area: menu;
    display: none;
    flex-direction: column;
    gap: 18px;
    padding: 8px 0 12px;
}

.site-nav.is-open .nav-menu {
    display: flex;
}

.nav-menu a {
    font-size: 13px;
    letter-spacing: 0.14em;
}

.logo {
    height: 22px;
    width: auto;
}

.site-nav a[aria-current="page"] {
    font-weight: 600;
}

@media (min-width: 768px) {
    .site-nav {
        padding: 28px 28px;
        grid-template-columns: auto auto 1fr auto auto;
        grid-template-areas: "home about logo collection ig";
        gap: 28px;
    }
    .nav-toggle { display: none; }
    .nav-menu {
        display: contents;
        padding: 0;
    }
    .nav-menu a:nth-child(1) { grid-area: home; }
    .nav-menu a:nth-child(2) { grid-area: about; }
    .nav-logo { grid-area: logo; justify-self: center; }
    .nav-menu a:nth-child(3) { grid-area: collection; justify-self: end; }
    .nav-instagram {
        position: static;
        grid-area: ig;
        justify-self: end;
        width: auto;
        height: auto;
        margin: 0;
    }
    .logo { height: 24px; }
}

/* Shared blocks */
.block {
    padding: 56px 16px;
}

.block-inner {
    max-width: 1280px;
    margin: 0 auto;
}

.block-inner.narrow {
    max-width: 760px;
}

h1, h2, h3 {
    font-weight: 400;
    letter-spacing: 0.01em;
}

h2 {
    font-size: 13px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #777;
    margin-bottom: 18px;
}

.lead {
    font-size: 22px;
    line-height: 1.4;
    margin-bottom: 18px;
}

.section-intro {
    font-size: 18px;
    max-width: 640px;
    margin-bottom: 36px;
}

.tagline {
    font-size: 16px;
    letter-spacing: 0.01em;
}

.eyebrow {
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #777;
    margin-bottom: 14px;
}

/* Hero — 写真はレイアウト枠の全幅 */
.hero {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 16px 0;
}

.hero-copy {
    max-width: 720px;
    margin-bottom: 32px;
}

.hero h1 {
    font-size: 28px;
    line-height: 1.25;
    margin-bottom: 18px;
}

.hero-media {
    overflow: hidden;
    background: #f3f3f2;
    width: 100%;
}

.hero-media img {
    width: 100%;
    display: block;
}

@media (min-width: 768px) {
    .hero {
        padding: 40px 28px 0;
        display: block;
    }
    .hero-copy {
        max-width: 720px;
        margin-bottom: 40px;
    }
    .hero h1 { font-size: 36px; }
    .lead { font-size: 26px; }
    .tagline { font-size: 18px; }
}

@media (min-width: 1024px) {
    .hero { padding: 48px 40px 0; }
    .hero h1 { font-size: 42px; }
    .block { padding: 80px 40px; }
}

/* Philosophy */
.philosophy p + p {
    margin-top: 14px;
    font-size: 15px;
    color: #222;
}

@media (min-width: 768px) {
    .philosophy p + p { font-size: 17px; }
}

/* Concept */
.concept-list {
    list-style: none;
    display: grid;
    gap: 28px;
}

.concept-list h3 {
    font-size: 14px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.concept-list p {
    font-size: 14px;
    color: #333;
    max-width: 420px;
}

@media (min-width: 768px) {
    .concept-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 32px;
    }
    .section-intro { font-size: 20px; }
}

@media (min-width: 1024px) {
    .concept-list {
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
    }
}

/* Split */
.split {
    display: grid;
    gap: 28px;
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 16px;
    padding-right: 16px;
}

.split-media {
    background: #f3f3f2;
    overflow: hidden;
}

.split-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.split-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.split-copy p + p {
    margin-top: 14px;
    font-size: 15px;
    color: #333;
}

@media (min-width: 768px) {
    .split {
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        padding-left: 28px;
        padding-right: 28px;
        align-items: center;
    }
    .split.reverse .split-media { order: 2; }
    .split.reverse .split-copy { order: 1; }
    .split-copy p + p { font-size: 16px; }
}

@media (min-width: 1024px) {
    .split { padding-left: 40px; padding-right: 40px; gap: 64px; }
}

/* Craft */
.craft-grid {
    display: grid;
    gap: 24px;
    margin-bottom: 36px;
}

.craft-grid h3 {
    font-size: 13px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.craft-grid p {
    font-size: 14px;
    color: #333;
}

.craft-gallery {
    display: grid;
    gap: 12px;
}

.craft-gallery img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    object-position: center;
    background: #f3f3f2;
}

.craft-cta {
    margin-top: 36px;
    text-align: center;
}

.closing-media.wide {
    max-width: none;
}

@media (min-width: 768px) {
    .craft-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
        margin-bottom: 48px;
    }
    .craft-gallery {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .craft-gallery.three {
        grid-template-columns: repeat(3, 1fr);
        align-items: stretch;
    }
}

/* Closing */
.closing {
    text-align: center;
}

.closing .block-inner.narrow {
    max-width: 1280px;
}

.closing-media {
    max-width: none;
    width: 100%;
    margin: 0 auto 28px;
    background: #f3f3f2;
}

.closing .tagline {
    margin-bottom: 0;
}

.cta {
    display: inline-block;
    border: 1px solid #111;
    padding: 14px 36px;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: background 0.15s ease, color 0.15s ease;
}

.cta:hover {
    background: #111;
    color: #fff;
}

/* Footer */
.site-footer {
    max-width: 1280px;
    margin: 0 auto;
    padding: 28px 16px 48px;
    display: flex;
    justify-content: center;
    gap: 28px;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.site-footer a {
    color: #111;
    text-decoration: none;
    transition: opacity 0.15s ease;
}

.site-footer a:hover {
    opacity: 0.6;
}

.site-footer a[aria-current="page"] {
    font-weight: 600;
}

@media (min-width: 768px) {
    .site-footer { padding: 36px 28px 64px; }
}

@media (min-width: 1024px) {
    .site-footer { padding: 40px 40px 80px; }
}