/* =========================================================
   BiBi — Brand Landing Page
   Palette / type are aligned with bibi-bibi.com
   ========================================================= */

:root {
    --paper: #F2F1EB;
    --paper-soft: #EBE9E0;
    --paper-bright: #FAF9F5;
    --ink: #26262D;
    --ink-80: rgba(38, 38, 45, .80);
    --ink-60: rgba(38, 38, 45, .60);
    --ink-40: rgba(38, 38, 45, .40);
    --ink-12: rgba(38, 38, 45, .12);
    --ink-06: rgba(38, 38, 45, .06);
    --sand: #C0BB9E;
    --green: #64964F;
    --green-deep: #47703A;
    --gold: #C9912E;

    --font-en: 'Jost', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
    --font-jp: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Yu Gothic', sans-serif;
    --font-mincho: 'Shippori Mincho', 'Hiragino Mincho ProN', 'Yu Mincho', serif;

    --gutter: clamp(20px, 5vw, 48px);
    --section-y: clamp(72px, 11vw, 148px);
    --max: 1180px;
    --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-jp);
    font-weight: 400;
    font-feature-settings: "palt" 1;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.95;
    letter-spacing: .04em;
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

/* --- subtle paper grain --- */
.grain {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: .30;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E");
}

.container {
    width: 100%;
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--gutter);
    position: relative;
    z-index: 2;
}

.container.narrow {
    max-width: 800px;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6em;
    padding: 1.05em 2.4em;
    font-family: var(--font-jp);
    font-size: .875rem;
    font-weight: 500;
    letter-spacing: .12em;
    line-height: 1;
    border: 1px solid var(--ink);
    border-radius: 999px;
    cursor: pointer;
    transition: background .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease), transform .4s var(--ease);
}

.btn-solid {
    background: var(--ink);
    color: var(--paper);
}

.btn-solid:hover {
    background: var(--green-deep);
    border-color: var(--green-deep);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--ink);
}

.btn-ghost:hover {
    background: var(--ink);
    color: var(--paper);
    transform: translateY(-2px);
}

.btn-sm {
    padding: .8em 1.6em;
    font-size: .78rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* =========================================================
   Header
   ========================================================= */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: background .5s var(--ease), box-shadow .5s var(--ease), padding .5s var(--ease);
    padding: 22px 0;
}

.site-header.is-stuck {
    background: rgba(242, 241, 235, .88);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    box-shadow: 0 1px 0 var(--ink-12);
    padding: 12px 0;
}

.header-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: flex;
    align-items: center;
    gap: 28px;
}

.wordmark {
    font-family: var(--font-en);
    font-weight: 500;
    font-size: 1.36rem;
    letter-spacing: .2em;
    line-height: 1;
    padding-left: .06em;
}

.site-nav {
    display: flex;
    gap: 26px;
    margin-left: auto;
    font-size: .8rem;
    letter-spacing: .1em;
    color: var(--ink-80);
}

.site-nav a {
    position: relative;
    padding-bottom: 3px;
    transition: color .3s var(--ease);
}

.site-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .45s var(--ease);
}

.site-nav a:hover {
    color: var(--ink);
}

.site-nav a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.header-cta {
    flex-shrink: 0;
}

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    margin-left: auto;
    background: none;
    border: 0;
    cursor: pointer;
    position: relative;
}

.nav-toggle span {
    position: absolute;
    left: 9px;
    width: 22px;
    height: 1px;
    background: var(--ink);
    transition: transform .4s var(--ease), opacity .3s var(--ease);
}

.nav-toggle span:nth-child(1) {
    top: 17px;
}

.nav-toggle span:nth-child(2) {
    top: 24px;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding: 140px 0 120px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(60% 55% at 78% 18%, rgba(201, 145, 46, .16) 0%, transparent 62%),
        radial-gradient(70% 60% at 12% 84%, rgba(100, 150, 79, .16) 0%, transparent 60%),
        linear-gradient(170deg, var(--paper-bright) 0%, var(--paper) 55%, var(--paper-soft) 100%);
}

.hero-inner {
    max-width: 1080px;
}

.eyebrow {
    font-family: var(--font-en);
    font-size: .74rem;
    font-weight: 400;
    letter-spacing: .38em;
    color: var(--ink-60);
    margin-bottom: clamp(26px, 4vw, 44px);
}

.hero-title {
    font-family: var(--font-mincho);
    font-weight: 600;
    font-size: clamp(1.72rem, 5.55vw, 3.9rem);
    line-height: 1.45;
    letter-spacing: .03em;
}

.hero-title em {
    font-style: normal;
    font-weight: 400;
    color: var(--green-deep);
}

.hero-lead {
    margin-top: clamp(28px, 4vw, 44px);
    max-width: 44em;
    font-size: clamp(.9rem, 1.6vw, 1.02rem);
    font-weight: 300;
    color: var(--ink-80);
    line-height: 2.15;
}

.hero-lead strong {
    font-weight: 500;
    color: var(--ink);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: clamp(34px, 4.5vw, 52px);
}

.hero-pillars {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(14px, 2.6vw, 34px);
    margin-top: clamp(46px, 7vw, 82px);
    padding-top: 22px;
    border-top: 1px solid var(--ink-12);
    font-family: var(--font-en);
    font-size: .68rem;
    letter-spacing: .26em;
    color: var(--ink-40);
}

.scroll-cue {
    position: absolute;
    left: 50%;
    bottom: 26px;
    transform: translateX(-50%);
    z-index: 2;
    font-family: var(--font-en);
    font-size: .6rem;
    letter-spacing: .3em;
    color: var(--ink-40);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.scroll-cue::after {
    content: "";
    width: 1px;
    height: 46px;
    background: linear-gradient(var(--ink-40), transparent);
    animation: cue 2.4s var(--ease) infinite;
}

@keyframes cue {

    0%,
    100% {
        transform: scaleY(.35);
        transform-origin: top;
        opacity: .3;
    }

    45% {
        transform: scaleY(1);
        transform-origin: top;
        opacity: 1;
    }
}

br.sp {
    display: none;
}

/* =========================================================
   Section shells
   ========================================================= */
.section {
    position: relative;
    padding: var(--section-y) 0;
}

.section-tint {
    background: var(--paper-soft);
}

.section-dark {
    background: var(--ink);
    color: var(--paper);
}

.section-dark .chapter-num,
.section-dark .chapter-label {
    color: rgba(242, 241, 235, .5);
}

.section-dark .chapter::before {
    background: rgba(242, 241, 235, .25);
}

.section-dark .prose {
    color: rgba(242, 241, 235, .75);
}

.chapter {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: clamp(22px, 3vw, 34px);
    font-family: var(--font-en);
    font-size: .72rem;
    letter-spacing: .28em;
    color: var(--ink-60);
}

.chapter::before {
    content: "";
    width: clamp(24px, 5vw, 56px);
    height: 1px;
    background: var(--ink-40);
}

.chapter-num {
    color: var(--green-deep);
    font-weight: 500;
}

.section-title {
    font-family: var(--font-mincho);
    font-weight: 600;
    font-size: clamp(1.55rem, 3.9vw, 2.75rem);
    line-height: 1.55;
    letter-spacing: .02em;
}

.minor-title {
    font-family: var(--font-en);
    font-size: .76rem;
    font-weight: 500;
    letter-spacing: .24em;
    color: var(--ink-60);
    margin-bottom: 20px;
}

.lead {
    font-size: clamp(1.02rem, 2vw, 1.2rem);
    font-weight: 500;
    line-height: 1.95;
    margin-bottom: 1.2em;
}

.prose {
    max-width: 46em;
    margin-top: clamp(24px, 3vw, 36px);
    font-weight: 300;
    color: var(--ink-80);
    line-height: 2.2;
}

.prose strong {
    font-weight: 500;
    color: inherit;
}

.note {
    margin-top: 22px;
    font-size: .84rem;
    font-weight: 300;
    color: var(--ink-60);
    line-height: 2;
}

.section-dark .note {
    color: rgba(242, 241, 235, .6);
}

.statement {
    font-family: var(--font-mincho);
    font-size: clamp(1.15rem, 2.6vw, 1.6rem);
    line-height: 1.85;
    margin: 1.4em 0;
    padding-left: 1em;
    border-left: 2px solid var(--green);
}

.statement em {
    font-style: normal;
    color: var(--green-deep);
}

/* --- split layout --- */
.split {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(28px, 6vw, 88px);
    align-items: start;
}

.split-body p+p {
    margin-top: 1.4em;
}

.split-body p {
    font-weight: 300;
    color: var(--ink-80);
    line-height: 2.2;
}

.split-body .lead,
.split-body .statement {
    color: var(--ink);
}

/* --- chips --- */
.domains {
    margin-top: clamp(50px, 7vw, 88px);
    padding-top: clamp(34px, 4vw, 48px);
    border-top: 1px solid var(--ink-12);
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chips li {
    padding: .62em 1.35em;
    border: 1px solid var(--ink-12);
    border-radius: 999px;
    background: rgba(255, 255, 255, .45);
    font-size: .82rem;
    font-weight: 400;
    color: var(--ink-80);
    transition: border-color .4s var(--ease), color .4s var(--ease);
}

.chips li:hover {
    border-color: var(--green);
    color: var(--green-deep);
}

/* =========================================================
   Manifesto
   ========================================================= */
.manifesto {
    font-family: var(--font-mincho);
    font-weight: 400;
    font-size: clamp(1.7rem, 5.6vw, 3.6rem);
    line-height: 1.6;
    letter-spacing: .02em;
    margin: clamp(38px, 6vw, 70px) 0;
    text-align: center;
}

.manifesto.small {
    font-size: clamp(1.4rem, 4vw, 2.6rem);
}

.manifesto em {
    font-style: normal;
    color: var(--green-deep);
}

/* =========================================================
   02 — value cards
   ========================================================= */
.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1px;
    margin-top: clamp(40px, 6vw, 72px);
    background: var(--ink-12);
    border: 1px solid var(--ink-12);
}

.value-card {
    background: var(--paper-soft);
    padding: clamp(28px, 4vw, 46px) clamp(22px, 3vw, 36px);
    transition: background .5s var(--ease);
}

.value-card:hover {
    background: var(--paper-bright);
}

.value-en {
    display: block;
    font-family: var(--font-en);
    font-size: .66rem;
    letter-spacing: .26em;
    color: var(--green-deep);
    margin-bottom: 14px;
}

.value-card h3 {
    font-family: var(--font-mincho);
    font-size: clamp(1.3rem, 2.4vw, 1.7rem);
    font-weight: 600;
    margin-bottom: 14px;
}

.value-card p {
    font-size: .89rem;
    font-weight: 300;
    color: var(--ink-80);
    line-height: 2.05;
}

.keywords {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: clamp(18px, 4vw, 44px);
    margin-top: clamp(36px, 5vw, 56px);
    font-family: var(--font-mincho);
    font-size: .95rem;
    color: var(--ink-60);
}

.keywords li::before {
    content: "—  ";
    color: var(--sand);
}

/* =========================================================
   03 — offer cards + flow
   ========================================================= */
.offer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
    gap: clamp(20px, 3vw, 34px);
    margin-top: clamp(44px, 6vw, 76px);
}

.offer-card {
    position: relative;
    padding: clamp(30px, 4vw, 48px) clamp(24px, 3vw, 38px);
    background: var(--paper-bright);
    border: 1px solid var(--ink-12);
    transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}

.offer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 44px -28px rgba(38, 38, 45, .45);
}

.offer-num {
    font-family: var(--font-en);
    font-size: 2.6rem;
    font-weight: 300;
    line-height: 1;
    color: var(--sand);
    display: block;
}

.offer-en {
    display: block;
    margin: 18px 0 10px;
    font-family: var(--font-en);
    font-size: .66rem;
    letter-spacing: .26em;
    color: var(--green-deep);
}

.offer-card h3 {
    font-family: var(--font-mincho);
    font-size: clamp(1.35rem, 2.5vw, 1.75rem);
    font-weight: 600;
    margin-bottom: 14px;
}

.offer-card p {
    font-size: .89rem;
    font-weight: 300;
    color: var(--ink-80);
    line-height: 2.05;
}

.flow {
    margin-top: clamp(50px, 7vw, 86px);
    padding: clamp(30px, 4vw, 48px);
    border: 1px solid var(--ink-12);
    background: rgba(255, 255, 255, .45);
    text-align: center;
}

.flow-label {
    display: block;
    font-family: var(--font-en);
    font-size: .68rem;
    letter-spacing: .26em;
    color: var(--ink-60);
    margin-bottom: 26px;
}

.flow-steps {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: clamp(12px, 2.4vw, 28px);
}

.flow-step {
    font-family: var(--font-mincho);
    font-size: clamp(1.15rem, 3vw, 1.9rem);
    font-weight: 600;
}

.flow-arrow {
    width: clamp(26px, 6vw, 68px);
    height: 1px;
    background: var(--sand);
    position: relative;
}

.flow-arrow::after {
    content: "";
    position: absolute;
    right: 0;
    top: -2.5px;
    width: 6px;
    height: 6px;
    border-top: 1px solid var(--sand);
    border-right: 1px solid var(--sand);
    transform: rotate(45deg);
}

.flow .note {
    max-width: 44em;
    margin: 26px auto 0;
}

/* =========================================================
   04 — why grid (dark)
   ========================================================= */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: clamp(26px, 4vw, 56px);
    margin-top: clamp(44px, 6vw, 76px);
}

.why-card {
    padding-top: 30px;
    border-top: 1px solid rgba(242, 241, 235, .25);
}

.why-tag {
    display: inline-block;
    font-family: var(--font-en);
    font-size: .66rem;
    letter-spacing: .26em;
    color: var(--gold);
    margin-bottom: 18px;
}

.why-card h3 {
    font-family: var(--font-mincho);
    font-size: clamp(1.3rem, 2.6vw, 1.85rem);
    font-weight: 600;
    line-height: 1.7;
    margin-bottom: 22px;
}

.why-card p {
    font-size: .9rem;
    font-weight: 300;
    color: rgba(242, 241, 235, .75);
    line-height: 2.15;
}

.why-card p strong {
    color: var(--paper);
    font-weight: 500;
}

.state-list {
    margin: 24px 0;
    display: grid;
    gap: 10px;
}

.state-list li {
    position: relative;
    padding-left: 22px;
    font-size: .88rem;
    font-weight: 300;
    color: rgba(242, 241, 235, .9);
}

.state-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .95em;
    width: 10px;
    height: 1px;
    background: var(--gold);
}

/* =========================================================
   TRUST / Traceability (dark)
   ========================================================= */
.trace-split {
    margin-top: clamp(36px, 5vw, 56px);
    grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
}

.section-dark .split-body p {
    color: rgba(242, 241, 235, .75);
}

.section-dark .split-body p strong {
    color: var(--paper);
    font-weight: 500;
}

.minor-title.light {
    color: rgba(242, 241, 235, .55);
}

.trace-grid {
    margin-top: clamp(44px, 6vw, 72px);
    padding-top: clamp(30px, 4vw, 42px);
    border-top: 1px solid rgba(242, 241, 235, .25);
}

.state-list.two-col {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 16px 44px;
    margin: 0;
}

.state-list.two-col li {
    line-height: 1.95;
}

.trace-limit {
    margin-top: clamp(44px, 6vw, 72px);
    padding: clamp(28px, 4vw, 44px);
    border: 1px solid rgba(201, 145, 46, .45);
}

.trace-limit p {
    font-size: .9rem;
    font-weight: 300;
    color: rgba(242, 241, 235, .75);
    line-height: 2.15;
    max-width: 52em;
}

.trace-limit p strong {
    color: var(--paper);
    font-weight: 500;
}

.trace-limit-lead {
    font-family: var(--font-mincho);
    font-size: clamp(1.1rem, 2.2vw, 1.45rem) !important;
    font-weight: 600;
    color: var(--paper) !important;
    line-height: 1.8 !important;
    margin-bottom: 18px;
}

.trace-statement {
    margin-top: 26px;
    font-family: var(--font-mincho);
    font-size: clamp(1.3rem, 3vw, 2rem) !important;
    font-weight: 600;
    color: var(--gold) !important;
    line-height: 1.7 !important;
}

/* =========================================================
   05 — matrix table
   ========================================================= */
.table-wrap {
    margin-top: clamp(38px, 5vw, 60px);
    overflow-x: auto;
}

.matrix {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    text-align: left;
}

.matrix th,
.matrix td {
    padding: 22px 20px;
    border-bottom: 1px solid var(--ink-12);
    vertical-align: top;
}

.matrix thead th {
    font-family: var(--font-en);
    font-size: .68rem;
    font-weight: 500;
    letter-spacing: .22em;
    color: var(--ink-60);
    border-bottom: 1px solid var(--ink-40);
    padding-bottom: 14px;
}

.matrix tbody th {
    font-family: var(--font-mincho);
    font-size: 1.5rem;
    font-weight: 600;
    width: 16%;
    white-space: nowrap;
}

.matrix td {
    font-size: .88rem;
    font-weight: 300;
    color: var(--ink-80);
    line-height: 2;
}

.tag {
    display: inline-block;
    margin: 0 6px 6px 0;
    padding: .35em 1em;
    border: 1px solid var(--ink-12);
    border-radius: 999px;
    font-family: var(--font-en);
    font-size: .7rem;
    letter-spacing: .1em;
    color: var(--green-deep);
    background: rgba(100, 150, 79, .07);
}

/* =========================================================
   06 — pillars
   ========================================================= */
.pillars {
    margin-top: clamp(38px, 5vw, 60px);
    border-top: 1px solid var(--ink-12);
}

.pillar {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr) minmax(0, 1.25fr);
    gap: clamp(16px, 3vw, 40px);
    align-items: baseline;
    padding: clamp(24px, 3vw, 34px) 0;
    border-bottom: 1px solid var(--ink-12);
    transition: padding-left .5s var(--ease);
}

.pillar:hover {
    padding-left: 12px;
}

.pillar-en {
    font-family: var(--font-en);
    font-size: .78rem;
    font-weight: 500;
    letter-spacing: .22em;
    color: var(--green-deep);
}

.pillar h3 {
    font-family: var(--font-mincho);
    font-size: clamp(1.15rem, 2.2vw, 1.5rem);
    font-weight: 600;
}

.pillar p {
    font-size: .86rem;
    font-weight: 300;
    color: var(--ink-60);
    line-height: 1.95;
}

.criterion {
    margin-top: clamp(36px, 5vw, 56px);
    padding: clamp(24px, 3vw, 34px);
    background: rgba(100, 150, 79, .07);
    border-left: 2px solid var(--green);
    font-size: .92rem;
    font-weight: 300;
    line-height: 2.1;
    color: var(--ink-80);
}

.criterion-label {
    display: block;
    font-family: var(--font-en);
    font-size: .66rem;
    letter-spacing: .26em;
    color: var(--green-deep);
    margin-bottom: 10px;
}

/* =========================================================
   Product
   ========================================================= */
.product-hero {
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    gap: clamp(28px, 5vw, 72px);
    align-items: center;
}

.product-figure {
    background: var(--paper-soft);
    overflow: hidden;
}

.product-figure img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    transition: transform 1.1s var(--ease);
}

.product-figure:hover img {
    transform: scale(1.035);
}

.product-intro p {
    font-weight: 300;
    color: var(--ink-80);
    line-height: 2.2;
}

.product-intro .lead {
    color: var(--ink);
    margin-top: 22px;
}

.spec-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin-top: clamp(26px, 3vw, 38px);
    background: var(--ink-12);
    border: 1px solid var(--ink-12);
}

.spec-list li {
    background: var(--paper);
    padding: 18px 20px;
}

.spec-list span {
    display: block;
    font-size: .68rem;
    letter-spacing: .2em;
    color: var(--ink-60);
    margin-bottom: 6px;
}

.spec-list strong {
    font-family: var(--font-en);
    font-size: 1.02rem;
    font-weight: 500;
    letter-spacing: .04em;
}

.lineup {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
    gap: clamp(18px, 2.6vw, 28px);
    margin-top: clamp(44px, 6vw, 72px);
}

.item {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: clamp(26px, 3.4vw, 38px) clamp(22px, 2.6vw, 30px);
    background: var(--paper-bright);
    border: 1px solid var(--ink-12);
    transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}

.item:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 44px -28px rgba(38, 38, 45, .45);
}

.item.featured {
    border-color: var(--green);
}

.item-flag {
    position: absolute;
    top: -1px;
    right: 18px;
    padding: .4em 1em;
    background: var(--green);
    color: var(--paper);
    font-size: .68rem;
    letter-spacing: .16em;
}

.item h3 {
    font-family: var(--font-en);
    font-size: 1.35rem;
    font-weight: 500;
    letter-spacing: .06em;
}

.item h3 span {
    font-size: .88rem;
    font-weight: 300;
    color: var(--ink-60);
    margin-left: .4em;
}

.item-desc {
    margin: 14px 0 auto;
    font-size: .86rem;
    font-weight: 300;
    color: var(--ink-80);
    line-height: 2;
}

.item-price {
    font-family: var(--font-en);
    font-size: 1.6rem;
    font-weight: 400;
    letter-spacing: .03em;
    margin: 26px 0 20px;
}

.trust {
    margin-top: clamp(48px, 6vw, 80px);
    padding: clamp(28px, 4vw, 44px);
    border: 1px solid var(--ink-12);
    background: rgba(255, 255, 255, .45);
}

.trust-en {
    display: block;
    font-family: var(--font-en);
    font-size: .68rem;
    letter-spacing: .28em;
    color: var(--green-deep);
    margin-bottom: 22px;
}

.trust-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 26px 34px;
}

.trust-list li {
    position: relative;
    padding-left: 24px;
}

.trust-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .72em;
    width: 11px;
    height: 6px;
    border-left: 1.5px solid var(--green);
    border-bottom: 1.5px solid var(--green);
    transform: rotate(-45deg);
}

.trust-list strong {
    display: block;
    font-size: .92rem;
    font-weight: 500;
    color: var(--ink);
    line-height: 1.75;
}

.trust-list span {
    display: block;
    margin-top: 5px;
    font-size: .8rem;
    font-weight: 300;
    color: var(--ink-60);
    line-height: 1.95;
}

/* --- 用語集 --- */
.glossary {
    margin-top: clamp(30px, 4vw, 42px);
    padding: clamp(28px, 4vw, 44px);
    border: 1px solid var(--ink-12);
}

.glossary dl {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 26px 44px;
}

.glossary dt {
    font-family: var(--font-en);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: .06em;
    color: var(--ink);
}

.glossary dt span {
    display: block;
    margin-top: 3px;
    font-family: var(--font-jp);
    font-size: .7rem;
    font-weight: 300;
    letter-spacing: .1em;
    color: var(--ink-40);
}

.glossary dd {
    margin-top: 9px;
    font-size: .82rem;
    font-weight: 300;
    color: var(--ink-80);
    line-height: 1.95;
}

.center-link {
    margin-top: clamp(36px, 4vw, 52px);
    text-align: center;
    font-size: .88rem;
    letter-spacing: .1em;
}

.center-link a {
    border-bottom: 1px solid var(--ink-40);
    padding-bottom: 4px;
    transition: color .3s var(--ease), border-color .3s var(--ease);
}

.center-link a:hover {
    color: var(--green-deep);
    border-color: var(--green);
}

/* =========================================================
   Community
   ========================================================= */
.check-list {
    display: grid;
    gap: 12px;
    margin: clamp(26px, 3vw, 34px) 0 clamp(30px, 4vw, 40px);
}

.check-list li {
    position: relative;
    padding-left: 26px;
    font-size: .92rem;
    font-weight: 300;
    color: var(--ink-80);
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .78em;
    width: 12px;
    height: 1px;
    background: var(--green);
}

.pending-note {
    margin-bottom: 22px;
    padding-left: 14px;
    border-left: 2px solid var(--sand);
    font-size: .84rem;
    font-weight: 300;
    color: var(--ink-60);
    line-height: 1.95;
}

/* =========================================================
   Destination (dark)
   ========================================================= */
.journey {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1px;
    margin-top: clamp(44px, 6vw, 72px);
    background: rgba(242, 241, 235, .18);
    border: 1px solid rgba(242, 241, 235, .18);
}

.journey li {
    background: var(--ink);
    padding: clamp(26px, 3.4vw, 40px) clamp(20px, 2.6vw, 30px);
    font-family: var(--font-mincho);
    font-size: clamp(1rem, 1.9vw, 1.2rem);
    line-height: 1.75;
}

.journey li span {
    display: block;
    font-family: var(--font-en);
    font-size: .72rem;
    letter-spacing: .24em;
    color: var(--gold);
    margin-bottom: 16px;
}

.qa {
    margin-top: clamp(48px, 6vw, 80px);
    text-align: center;
}

.qa-q {
    font-size: .95rem;
    font-weight: 300;
    color: rgba(242, 241, 235, .6);
}

.qa-a {
    font-family: var(--font-mincho);
    font-size: clamp(2.4rem, 8vw, 5rem);
    font-weight: 600;
    line-height: 1.3;
    margin: .25em 0 .5em;
    color: var(--paper);
}

.qa-note {
    max-width: 42em;
    margin: 0 auto;
    font-size: .9rem;
    font-weight: 300;
    color: rgba(242, 241, 235, .7);
    line-height: 2.15;
}

/* =========================================================
   Closing
   ========================================================= */
.closing {
    padding: clamp(84px, 13vw, 170px) 0;
    text-align: center;
    background:
        radial-gradient(60% 70% at 50% 0%, rgba(100, 150, 79, .14) 0%, transparent 65%),
        var(--paper);
}

.closing-manifesto {
    margin-top: 0;
}

.closing-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq-list {
    margin-top: clamp(34px, 4vw, 50px);
    border-top: 1px solid var(--ink-12);
}

.faq-item {
    border-bottom: 1px solid var(--ink-12);
}

.faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 26px 0;
    background: none;
    border: 0;
    cursor: pointer;
    font-family: var(--font-jp);
    font-size: .98rem;
    font-weight: 500;
    letter-spacing: .04em;
    color: var(--ink);
    text-align: left;
    line-height: 1.8;
    transition: color .3s var(--ease);
}

.faq-q:hover {
    color: var(--green-deep);
}

.faq-icon {
    position: relative;
    flex-shrink: 0;
    width: 15px;
    height: 15px;
}

.faq-icon::before,
.faq-icon::after {
    content: "";
    position: absolute;
    top: 7px;
    left: 0;
    width: 15px;
    height: 1px;
    background: currentColor;
    transition: transform .45s var(--ease);
}

.faq-icon::after {
    transform: rotate(90deg);
}

.faq-item.open .faq-icon::after {
    transform: rotate(0deg);
}

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .55s var(--ease);
}

.faq-a p {
    padding: 0 0 28px;
    font-size: .89rem;
    font-weight: 300;
    color: var(--ink-80);
    line-height: 2.15;
    max-width: 52em;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
    background: var(--ink);
    color: rgba(242, 241, 235, .78);
    padding: clamp(60px, 8vw, 100px) 0 96px;
    font-size: .85rem;
    font-weight: 300;
}

.footer-top {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 36px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(242, 241, 235, .18);
}

.site-footer .wordmark {
    color: var(--paper);
    font-size: 1.5rem;
}

.footer-tagline {
    margin-top: 16px;
    font-family: var(--font-mincho);
    font-size: 1rem;
    color: rgba(242, 241, 235, .7);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 26px;
    align-content: flex-start;
    letter-spacing: .08em;
}

.footer-nav a:hover,
.footer-legal a:hover {
    color: var(--paper);
    text-decoration: underline;
    text-underline-offset: 4px;
}

.footer-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    padding: 36px 0;
}

.footer-info dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 22px;
    max-width: 640px;
    line-height: 1.9;
}

.footer-info dt {
    color: rgba(242, 241, 235, .45);
    white-space: nowrap;
    font-size: .78rem;
}

.footer-legal {
    display: flex;
    flex-direction: column;
    gap: 10px;
    letter-spacing: .06em;
}

.disclaimer {
    padding-top: 26px;
    border-top: 1px solid rgba(242, 241, 235, .18);
    font-size: .76rem;
    line-height: 1.95;
    color: rgba(242, 241, 235, .45);
}

.copyright {
    margin-top: 22px;
    font-family: var(--font-en);
    font-size: .7rem;
    letter-spacing: .18em;
    color: rgba(242, 241, 235, .35);
}

/* =========================================================
   Sticky CTA (mobile)
   ========================================================= */
.sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    display: none;
    padding: 12px var(--gutter) calc(12px + env(safe-area-inset-bottom));
    background: rgba(242, 241, 235, .92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid var(--ink-12);
    transform: translateY(110%);
    transition: transform .5s var(--ease);
}

.sticky-cta.is-visible {
    transform: translateY(0);
}

/* =========================================================
   Reveal animation
   ========================================================= */
.js .reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity .9s var(--ease), transform .9s var(--ease);
}

.js .reveal.is-in {
    opacity: 1;
    transform: none;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 900px) {
    html {
        scroll-padding-top: 70px;
    }

    .site-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        margin: 0;
        padding: 84px var(--gutter) 40px;
        background: var(--paper);
        border-bottom: 1px solid var(--ink-12);
        transform: translateY(-101%);
        transition: transform .55s var(--ease);
        font-size: 1rem;
    }

    .site-nav.is-open {
        transform: translateY(0);
    }

    .site-nav a {
        padding: 16px 0;
        border-bottom: 1px solid var(--ink-12);
    }

    .site-nav a::after {
        display: none;
    }

    .header-cta {
        display: none;
    }

    .nav-toggle {
        display: block;
    }

    .split,
    .product-hero {
        grid-template-columns: 1fr;
    }

    .pillar {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .pillar:hover {
        padding-left: 0;
    }

    .sticky-cta {
        display: block;
    }

    .scroll-cue {
        display: none;
    }
}

@media (max-width: 700px) {

    /* 表は縦積みに組み替える */
    .matrix {
        min-width: 0;
    }

    .matrix thead {
        display: none;
    }

    .matrix,
    .matrix tbody,
    .matrix tr,
    .matrix th,
    .matrix td {
        display: block;
        width: auto;
    }

    .matrix tr {
        padding: 26px 0;
        border-bottom: 1px solid var(--ink-12);
    }

    .matrix tr:last-child {
        border-bottom: 0;
    }

    .matrix th,
    .matrix td {
        border: 0;
        padding: 0;
    }

    .matrix tbody th {
        font-size: 1.45rem;
        margin-bottom: 14px;
    }

    .matrix td {
        margin-bottom: 16px;
    }

    .matrix td::before {
        content: attr(data-label);
        display: block;
        font-size: .66rem;
        letter-spacing: .2em;
        color: var(--ink-40);
        margin-bottom: 6px;
    }
}

@media (max-width: 560px) {
    body {
        line-height: 1.85;
    }

    .hero {
        min-height: auto;
        padding: 120px 0 86px;
    }

    .hero-title {
        line-height: 1.5;
    }

    .keywords {
        justify-content: flex-start;
    }

    br.sp {
        display: inline;
    }

    .btn {
        padding: 1em 1.7em;
        font-size: .82rem;
    }

    .hero-actions .btn,
    .closing-actions .btn {
        flex: 1 1 100%;
    }

    .footer-info {
        flex-direction: column;
    }

    .footer-info dl {
        grid-template-columns: 1fr;
        gap: 2px;
    }

    .footer-info dt {
        margin-top: 12px;
    }
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: .001ms !important;
        transition-duration: .001ms !important;
    }

    .js .reveal {
        opacity: 1;
        transform: none;
    }

    html {
        scroll-behavior: auto;
    }
}