:root {
    color-scheme: light;
    --ink: #10263f;
    --ink-soft: #29435e;
    --muted: #5c6e80;
    --line: #d7e3eb;
    --paper: #ffffff;
    --wash: #f2f8fc;
    --blue: #126fb8;
    --blue-deep: #0c4f88;
    --teal: #078f8a;
    --yellow: #f4b72f;
    --navy: #0f2944;
    --shadow: 0 24px 70px rgba(16, 53, 82, 0.13);
    --soft-shadow: 0 14px 40px rgba(16, 53, 82, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
    margin: 0;
    min-width: 280px;
    color: var(--ink);
    background:
        radial-gradient(circle at 8% 2%, rgba(18, 111, 184, 0.1), transparent 34rem),
        radial-gradient(circle at 92% 14%, rgba(7, 143, 138, 0.09), transparent 30rem),
        #fbfdff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", sans-serif;
    font-size: 1rem;
    line-height: 1.72;
}

a { color: #0866a8; }
a:hover { color: #064e81; }

img { max-width: 100%; }

.shell {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    width: min(1220px, calc(100% - 24px));
    margin-top: 12px;
    padding: 12px 20px;
    border: 1px solid rgba(215, 227, 235, 0.84);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 10px 30px rgba(16, 53, 82, 0.07);
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--ink);
    font-size: 1.05rem;
    font-weight: 850;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.brand img {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    box-shadow: 0 7px 16px rgba(16, 53, 82, 0.18);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 20px;
    flex-wrap: wrap;
}

.nav a {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 750;
    text-decoration: none;
}

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

.language-picker {
    position: relative;
}

.language-picker summary {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    gap: 8px;
    padding: 7px 13px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--paper);
    color: var(--ink);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 800;
    list-style: none;
}

.language-picker summary::-webkit-details-marker { display: none; }
.language-picker summary::after { color: var(--muted); content: "⌄"; font-size: 0.9rem; transform: translateY(-1px); }
.language-picker[open] summary { border-color: rgba(18, 111, 184, 0.35); box-shadow: 0 0 0 3px rgba(18, 111, 184, 0.08); }

.language-menu {
    position: absolute;
    z-index: 30;
    top: calc(100% + 9px);
    right: 0;
    display: grid;
    min-width: 148px;
    padding: 7px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 16px 40px rgba(16, 53, 82, 0.16);
}

.language-menu a,
.language-menu span {
    display: block;
    padding: 9px 11px;
    border-radius: 10px;
    color: var(--ink-soft);
    font-size: 0.9rem;
    font-weight: 750;
    line-height: 1.35;
    text-decoration: none;
    white-space: nowrap;
}

.language-menu span[aria-current="true"] { background: var(--wash); color: var(--blue-deep); }
.language-menu a:hover { background: #f4f8fb; color: var(--blue); }

.hero {
    display: grid;
    grid-template-columns: minmax(0, 0.96fr) minmax(470px, 1.04fr);
    align-items: center;
    gap: clamp(38px, 5vw, 68px);
    width: min(1220px, calc(100% - 24px));
    min-height: 640px;
    margin: 16px auto 0;
    padding: clamp(34px, 4vw, 50px);
    border: 1px solid rgba(119, 207, 221, 0.2);
    border-radius: 40px;
    background:
        radial-gradient(circle at 13% 10%, rgba(71, 188, 206, 0.2), transparent 28rem),
        radial-gradient(circle at 92% 88%, rgba(18, 111, 184, 0.34), transparent 30rem),
        linear-gradient(135deg, #0c233a 0%, #102f4d 56%, #0b3f58 100%);
    box-shadow: 0 34px 86px rgba(13, 45, 72, 0.22);
    overflow: hidden;
}

.hero-copy { position: relative; z-index: 1; min-width: 0; }

.hero .eyebrow { color: #62ddd3; }

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
    align-items: center;
    margin: 0 0 18px;
}

.hero-meta .eyebrow { margin: 0; }

.hero-release {
    display: inline-flex;
    min-height: 29px;
    align-items: center;
    padding: 5px 10px;
    border: 1px solid rgba(255, 213, 109, 0.35);
    border-radius: 999px;
    background: rgba(255, 213, 109, 0.1);
    color: #ffe19a;
    font-size: 0.73rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    line-height: 1;
    text-transform: uppercase;
}

.eyebrow {
    margin: 0 0 16px;
    color: var(--teal);
    font-size: 0.8rem;
    font-weight: 850;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

h1, h2, h3 { color: var(--ink); line-height: 1.17; }

h1 {
    max-width: 800px;
    margin: 0;
    font-size: clamp(3rem, 6.5vw, 5.75rem);
    letter-spacing: -0.06em;
}

.hero h1 {
    color: #fff;
    font-size: clamp(3rem, 5vw, 4.65rem);
    text-wrap: balance;
}

html[lang="ja"] .hero h1 {
    font-size: clamp(3rem, 4.6vw, 4.25rem);
    line-height: 1.12;
}

h1 span {
    color: #6edfd5;
    background: linear-gradient(110deg, #7edfd8, #7abff2 68%, #ffd56d);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.lead {
    max-width: 700px;
    margin: 28px 0 0;
    color: var(--ink-soft);
    font-size: clamp(1.08rem, 1.7vw, 1.28rem);
    line-height: 1.78;
}

.hero .lead {
    max-width: 610px;
    margin-top: 22px;
    color: #d7e5ee;
    font-size: clamp(1rem, 1.35vw, 1.13rem);
    line-height: 1.7;
}

.hero-store-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 24px;
}

.store-badge-link {
    display: inline-flex;
    align-items: center;
    border-radius: 8px;
    transition: transform 180ms ease, filter 180ms ease;
}

.store-badge-link img {
    display: block;
    width: auto;
    height: 48px;
}

.store-badge-link:hover { filter: brightness(1.08); transform: translateY(-2px); }
.store-badge-link:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }

.hero-inline-link {
    display: inline-flex;
    gap: 9px;
    align-items: center;
    margin-top: 18px;
    color: #fff;
    font-size: 1rem;
    font-weight: 850;
    text-decoration: none;
}

.hero-inline-link span {
    color: #69ddd4;
    transition: transform 180ms ease;
}

.hero-inline-link:hover { color: #fff; }
.hero-inline-link:hover span { transform: translateY(3px); }

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 32px;
}

.hero .actions { margin-top: 25px; }

.availability {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    color: #d9e8f2;
    font-size: 0.9rem;
    font-weight: 750;
    overflow-wrap: anywhere;
}

.hero .button {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.hero .button:hover { color: #fff; background: rgba(255, 255, 255, 0.14); }

.hero .button.primary {
    border-color: transparent;
    background: linear-gradient(135deg, #0a66a1, #087b78);
    color: #fff;
    box-shadow: 0 15px 32px rgba(4, 21, 36, 0.3);
}

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: var(--paper);
    color: var(--ink);
    font-weight: 800;
    text-align: center;
    text-decoration: none;
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover { color: var(--ink); transform: translateY(-2px); box-shadow: var(--soft-shadow); }

.button.primary {
    border-color: transparent;
    background: linear-gradient(135deg, var(--blue), var(--teal));
    color: #fff;
    box-shadow: 0 13px 30px rgba(18, 111, 184, 0.23);
}

.button.primary:hover { color: #fff; }

.hero-facts {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}

.hero-facts li {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.07);
    color: #d4e3ed;
    font-size: 0.86rem;
    font-weight: 750;
}

.hero-facts li::before { margin-right: 7px; color: #62ddd3; content: "✓"; font-weight: 900; }

.device-stage {
    position: relative;
    min-height: 570px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 34px;
    background:
        radial-gradient(circle at 52% 44%, rgba(98, 221, 211, 0.27), transparent 42%),
        linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px),
        rgba(4, 25, 43, 0.38);
    background-size: auto, 34px 34px, 34px 34px, auto;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.device-shot {
    position: absolute;
    bottom: -84px;
    width: 42%;
    margin: 0;
    border: 7px solid #142332;
    border-bottom-width: 18px;
    border-radius: 36px 36px 28px 28px;
    background: #eaf4f0;
    box-shadow: 0 30px 70px rgba(1, 13, 24, 0.48);
    overflow: hidden;
}

.device-shot img { display: block; width: 100%; height: auto; }
.device-shot-main { z-index: 3; left: 50%; width: 46%; transform: translateX(-50%); }
.device-shot-left { z-index: 1; left: -4%; bottom: -46px; transform: rotate(-5deg); }
.device-shot-right { z-index: 2; right: -4%; bottom: -56px; transform: rotate(5deg); }

.hero-visual {
    display: grid;
    gap: 13px;
    min-width: 0;
    align-content: center;
}

.hero-product {
    position: relative;
    display: grid;
    min-height: 570px;
    place-items: end center;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 34px;
    background:
        radial-gradient(circle at 50% 18%, rgba(98, 221, 211, 0.21), transparent 42%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
    overflow: hidden;
}

.carousel-status {
    display: flex;
    min-height: 14px;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.carousel-dots {
    display: flex;
    gap: 10px;
    min-height: 14px;
    align-items: center;
    justify-content: center;
}

.carousel-dots span {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: rgba(210, 229, 239, 0.42);
    box-shadow: 0 0 0 0 rgba(105, 221, 212, 0);
    transition: width 180ms ease, height 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.carousel-dots span.is-active {
    width: 9px;
    height: 9px;
    background: #69ddd4;
    box-shadow: 0 0 0 4px rgba(105, 221, 212, 0.12);
}

.hero-device {
    position: absolute;
    top: 76px;
    left: 50%;
    width: min(320px, 76%);
    aspect-ratio: 720 / 1600;
    margin: 0;
    border: 7px solid #111f2d;
    border-bottom-width: 17px;
    border-radius: 38px 38px 30px 30px;
    background: #eaf4f0;
    box-shadow: 0 32px 74px rgba(0, 12, 23, 0.5);
    transform: translateX(-50%);
    overflow: hidden;
}

.hero-device::before {
    position: absolute;
    z-index: 3;
    top: 8px;
    left: 50%;
    width: 70px;
    height: 5px;
    border-radius: 999px;
    background: rgba(17, 31, 45, 0.25);
    content: "";
    transform: translateX(-50%);
}

.hero-slide {
    position: absolute;
    z-index: 1;
    inset: 0;
    margin: 0;
    opacity: 0;
    transform: translateY(9px) scale(1.012);
    transition: opacity 620ms ease, transform 760ms cubic-bezier(0.2, 0.72, 0.2, 1);
    pointer-events: none;
}

.hero-slide.is-active { z-index: 2; opacity: 1; transform: translateY(0) scale(1); }
.hero-slide picture,
.hero-slide img { display: block; width: 100%; height: 100%; }
.hero-slide img { object-fit: cover; }

.carousel-nav {
    position: absolute;
    z-index: 5;
    top: 15px;
    left: 50%;
    display: flex;
    gap: 4px;
    width: min(360px, calc(100% - 28px));
    align-items: center;
    padding: 5px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    background: rgba(7, 28, 46, 0.64);
    box-shadow: 0 8px 24px rgba(0, 13, 25, 0.18);
    backdrop-filter: blur(12px);
    transform: translateX(-50%);
}

.carousel-nav button {
    display: inline-flex;
    flex: 1;
    gap: 7px;
    min-width: 0;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    padding: 7px 11px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: #bcd0de;
    cursor: pointer;
    font: inherit;
    font-size: 0.84rem;
    font-weight: 800;
    white-space: nowrap;
    transition: background-color 220ms ease, color 220ms ease, box-shadow 220ms ease;
}

.carousel-nav button span {
    color: #6f8ca0;
    font-size: 0.64rem;
    font-weight: 900;
    letter-spacing: 0.08em;
}

.carousel-nav button.is-active {
    background: rgba(255, 255, 255, 0.12);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
    color: #fff;
}

.carousel-nav button.is-active span { color: #69ddd4; }
.carousel-nav button:focus-visible { outline: 2px solid #fff; outline-offset: -3px; }

.hero-art {
    position: relative;
    min-height: 500px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 34px;
    background:
        linear-gradient(rgba(13, 69, 92, 0.065) 1px, transparent 1px),
        linear-gradient(90deg, rgba(13, 69, 92, 0.065) 1px, transparent 1px),
        linear-gradient(145deg, rgba(239, 249, 253, 0.98), rgba(222, 247, 241, 0.96));
    background-size: 32px 32px, 32px 32px, auto;
    box-shadow: 0 24px 60px rgba(1, 16, 28, 0.25);
    overflow: hidden;
}

.hero-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 174px;
    border: 9px solid rgba(255, 255, 255, 0.94);
    border-radius: 29%;
    box-shadow: 0 28px 70px rgba(16, 53, 82, 0.24);
    transform: translate(-50%, -50%) rotate(2deg);
}

.shape-card {
    position: absolute;
    display: grid;
    min-width: 172px;
    padding: 13px 15px;
    border: 1px solid rgba(215, 227, 235, 0.9);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 16px 38px rgba(16, 53, 82, 0.12);
}

.shape-card span { color: var(--teal); font-size: 0.72rem; font-weight: 900; letter-spacing: 0.12em; }
.shape-card strong { margin-top: 3px; font-size: 1rem; }
.shape-card small { color: var(--muted); font-size: 0.76rem; }
.shape-card-one { top: 34px; left: 22px; transform: rotate(-2deg); }
.shape-card-two { top: 94px; right: 20px; transform: rotate(2deg); }
.shape-card-three { bottom: 94px; left: 20px; transform: rotate(1deg); }
.shape-card-four { right: 22px; bottom: 32px; transform: rotate(-2deg); }

.promise {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border: 1px solid var(--line);
    border-radius: 26px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--soft-shadow);
    overflow: hidden;
}

.promise div { padding: 24px; border-right: 1px solid var(--line); }
.promise div:last-child { border-right: 0; }
.promise strong { display: block; margin-bottom: 4px; font-size: 1.04rem; }
.promise span { color: var(--muted); font-size: 0.9rem; }

.proof-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 18px;
    border: 1px solid var(--line);
    border-radius: 26px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--soft-shadow);
    overflow: hidden;
}

.proof-strip div { padding: 24px; border-right: 1px solid var(--line); }
.proof-strip div:last-child { border-right: 0; }
.proof-strip strong { display: block; margin-bottom: 4px; font-size: 1.04rem; }
.proof-strip span { display: block; color: var(--muted); font-size: 0.9rem; line-height: 1.5; }

.section { padding: 108px 0; }

.audience-section { padding-top: 88px; padding-bottom: 48px; }

.audience-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.audience-card {
    min-height: 220px;
    padding: 27px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--soft-shadow);
}

.audience-card > span {
    color: var(--teal);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.1em;
}

.audience-card h3 {
    margin: 24px 0 11px;
    font-size: 1.3rem;
    letter-spacing: -0.025em;
}

.audience-card p { margin: 0; color: var(--muted); font-size: 0.94rem; }

.section-tint {
    border-top: 1px solid rgba(215, 227, 235, 0.74);
    border-bottom: 1px solid rgba(215, 227, 235, 0.74);
    background: linear-gradient(180deg, rgba(239, 247, 252, 0.76), rgba(246, 251, 253, 0.9));
}

.section-heading { max-width: 790px; margin-bottom: 46px; }
.section-heading.centered { margin-right: auto; margin-left: auto; text-align: center; }

.section-heading h2,
.split-panel h2,
.trust h2,
.pro-panel h2,
.closing h2 {
    margin: 0 0 18px;
    font-size: clamp(2.2rem, 4.4vw, 4rem);
    letter-spacing: -0.045em;
}

.section-heading p:not(.eyebrow),
.split-panel p,
.trust p,
.pro-panel p,
.closing p {
    margin: 0;
    color: var(--muted);
    font-size: 1.07rem;
}

.scenario-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.scenario-card {
    min-height: 250px;
    padding: 31px;
    border: 1px solid var(--line);
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: var(--soft-shadow);
}

.scenario-label { color: var(--teal); font-size: 0.75rem; font-weight: 900; letter-spacing: 0.12em; }
.scenario-card h3 { margin: 26px 0 10px; font-size: 1.42rem; letter-spacing: -0.025em; }
.scenario-card p { margin: 0; color: var(--muted); }

.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 18px;
}

.bento-card {
    grid-column: span 5;
    min-height: 250px;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 26px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--soft-shadow);
}

.bento-card:nth-child(3), .bento-card:nth-child(4) { grid-column: span 6; }
.bento-card.bento-featured { grid-column: span 7; grid-row: span 2; min-height: 518px; background: linear-gradient(145deg, #112d49, #0c5578); }
.bento-card.bento-wide { grid-column: span 12; min-height: 0; }
.bento-card .number { display: block; margin-bottom: 44px; color: var(--teal); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.13em; }
.bento-card h3 { margin: 0 0 12px; font-size: 1.52rem; letter-spacing: -0.025em; }
.bento-card p { margin: 0; color: var(--muted); }
.bento-featured h3, .bento-featured p { color: #fff; }
.bento-featured p { color: #d4e2ed; font-size: 1.08rem; }
.bento-featured .number { color: #58d4cb; }

.tag-list {
    display: flex;
    gap: 9px;
    flex-wrap: wrap;
    margin: 34px 0 0;
    padding: 0;
    list-style: none;
}

.tag-list li { padding: 7px 11px; border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 999px; background: rgba(255, 255, 255, 0.08); color: #fff; font-size: 0.86rem; font-weight: 700; }

.split-panel {
    display: grid;
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: clamp(42px, 7vw, 88px);
    align-items: center;
    padding: clamp(36px, 7vw, 76px);
    border-radius: 34px;
}

.personalization {
    border: 1px solid rgba(18, 111, 184, 0.12);
    background: linear-gradient(135deg, #eff8ff, #eefbf7 58%, #fff9e8);
}

.choice-list { display: grid; gap: 12px; }

.choice-list div {
    display: grid;
    grid-template-columns: 0.62fr 1.38fr;
    gap: 18px;
    align-items: center;
    padding: 20px 22px;
    border: 1px solid rgba(215, 227, 235, 0.9);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.78);
}

.choice-list span { color: var(--blue); font-size: 0.86rem; font-weight: 850; }
.choice-list strong { font-size: 0.96rem; line-height: 1.5; }

.tool-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.tool-grid article { padding: 28px; border-top: 3px solid var(--blue); border-radius: 5px 5px 22px 22px; background: var(--paper); box-shadow: var(--soft-shadow); }
.tool-mark { display: grid; width: 48px; height: 48px; place-items: center; margin-bottom: 36px; border-radius: 14px; background: var(--wash); color: var(--blue); font-weight: 900; }
.tool-grid h3 { margin: 0 0 10px; font-size: 1.2rem; }
.tool-grid p { margin: 0; color: var(--muted); font-size: 0.94rem; }

.feature-stack { display: grid; gap: 28px; }

.feature-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(310px, 0.72fr);
    gap: clamp(44px, 8vw, 104px);
    align-items: center;
    min-height: 660px;
    padding: clamp(34px, 6vw, 72px);
    border: 1px solid var(--line);
    border-radius: 36px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--soft-shadow);
    overflow: hidden;
}

.feature-row-reverse { grid-template-columns: minmax(310px, 0.72fr) minmax(0, 1fr); }
.feature-row-reverse .feature-copy { grid-column: 2; grid-row: 1; }
.feature-row-reverse .screen-card { grid-column: 1; grid-row: 1; }

.feature-number {
    display: inline-block;
    margin-bottom: 20px;
    color: var(--teal);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.12em;
}

.feature-copy h3,
.feature-tile h3 {
    margin: 0 0 18px;
    font-size: clamp(2rem, 4vw, 3.55rem);
    letter-spacing: -0.045em;
}

.feature-copy p,
.feature-tile p { margin: 0; color: var(--muted); font-size: 1.05rem; }

.feature-tags {
    display: flex;
    gap: 9px;
    flex-wrap: wrap;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.feature-tags li {
    padding: 7px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--wash);
    color: var(--ink-soft);
    font-size: 0.87rem;
    font-weight: 750;
}

.screen-card {
    position: relative;
    width: min(100%, 320px);
    margin: 0 auto;
    padding: 20px 18px 0;
    border: 1px solid rgba(16, 53, 82, 0.1);
    border-radius: 32px;
    box-shadow: 0 22px 52px rgba(16, 53, 82, 0.17);
    overflow: hidden;
}

.screen-card::before {
    position: absolute;
    z-index: 2;
    top: 8px;
    left: 50%;
    width: 56px;
    height: 5px;
    border-radius: 999px;
    background: rgba(16, 38, 63, 0.22);
    content: "";
    transform: translateX(-50%);
}

.screen-card picture,
.screen-card img { display: block; width: 100%; }
.screen-card img { height: auto; border-radius: 20px 20px 0 0; box-shadow: 0 0 0 1px rgba(16, 53, 82, 0.08); }
.tone-warm { background: linear-gradient(155deg, #fff8e9, #fbe8d9); }
.tone-mint { background: linear-gradient(155deg, #e9f9f4, #d6eee8); }
.tone-blue { background: linear-gradient(155deg, #e8f5ff, #d9e9f9); }
.tone-pink { background: linear-gradient(155deg, #fff0f3, #f3e2ef); }
.tone-violet { background: linear-gradient(155deg, #f3f0ff, #dcd9f4); }
.tone-pro { background: linear-gradient(155deg, #fff8df, #f4ddb0); }

.feature-pair {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.feature-tile {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(190px, 0.65fr);
    gap: 26px;
    align-items: center;
    min-height: 560px;
    padding: clamp(28px, 4vw, 44px);
    border: 1px solid var(--line);
    border-radius: 34px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--soft-shadow);
    overflow: hidden;
}

.feature-tile h3 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
.feature-tile .screen-card { width: min(100%, 230px); padding: 14px 12px 0; border-radius: 25px; }
.feature-tile .screen-card::before { top: 6px; width: 42px; height: 4px; }
.feature-tile .screen-card img { border-radius: 15px 15px 0 0; }

.compact-section {
    margin-top: 34px;
    padding: clamp(44px, 6vw, 70px);
    border: 1px solid rgba(18, 111, 184, 0.11);
    border-radius: 36px;
    background: linear-gradient(145deg, rgba(239, 248, 255, 0.88), rgba(239, 251, 247, 0.84));
}

.compact-heading { max-width: 760px; margin-bottom: 34px; }
.compact-heading h2 { font-size: clamp(2.1rem, 4vw, 3.5rem); }
.compact-tools { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.compact-tools article {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    column-gap: 18px;
    padding: 26px;
    border: 1px solid rgba(18, 111, 184, 0.12);
    border-top: 1px solid rgba(18, 111, 184, 0.12);
    border-radius: 22px;
    box-shadow: 0 12px 34px rgba(16, 53, 82, 0.07);
}

.compact-tools .tool-mark { grid-row: 1 / 3; margin: 0; }
.compact-tools h3 { margin-top: 1px; font-size: 1.16rem; }
.compact-tools p { font-size: 0.96rem; }

.product-panel {
    display: grid;
    grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1fr);
    gap: clamp(46px, 8vw, 104px);
    align-items: center;
    min-height: 640px;
    padding: clamp(38px, 7vw, 76px);
    border-radius: 36px;
    overflow: hidden;
}

.product-panel .screen-card { width: min(100%, 320px); }
.product-copy h2 { margin: 0 0 20px; font-size: clamp(2.25rem, 4.4vw, 4rem); letter-spacing: -0.045em; }
.product-copy > p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: 1.07rem; }

.privacy-panel {
    border: 1px solid rgba(255, 255, 255, 0.08);
    background:
        radial-gradient(circle at 12% 85%, rgba(98, 221, 211, 0.17), transparent 26rem),
        linear-gradient(140deg, #102942, #0c3f57);
    box-shadow: var(--shadow);
}

.privacy-panel .product-copy h2 { color: #fff; }
.privacy-panel .product-copy > p:not(.eyebrow) { color: #cbdbe6; }
.privacy-panel .eyebrow { color: #62ddd3; }
.privacy-panel .text-link { color: #fff; }
.privacy-panel .text-link:hover { color: #78e0d8; }

.security-note {
    margin: 20px 0 0 !important;
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.07);
    color: #bdd0dc !important;
    font-size: 0.88rem !important;
    line-height: 1.6;
}

.pro-panel-new {
    position: relative;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
    border: 1px solid #ead7a1;
    background:
        radial-gradient(circle at 8% 8%, rgba(255, 222, 120, 0.28), transparent 24rem),
        linear-gradient(135deg, #fffdf7, #fff4cf);
}

.pro-panel-new::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 5px;
    background: linear-gradient(90deg, #f1c65a, #e29a46 48%, #71c7bf);
    content: "";
}

.pro-brand-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 14px;
    align-items: center;
    margin: 0 0 22px;
}

.pro-lockup {
    display: inline-flex;
    gap: 0.42em;
    align-items: center;
    margin: 0;
    color: var(--ink);
    font-size: clamp(1.4rem, 2.4vw, 1.85rem);
    font-weight: 900;
    letter-spacing: -0.045em;
    line-height: 1;
}

.pro-lockup strong {
    padding: 0.42em 0.58em 0.37em;
    border-radius: 10px;
    background: var(--navy);
    color: #ffe08a;
    font-size: 0.63em;
    letter-spacing: 0.08em;
    line-height: 1;
}

.pro-plan-tag {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 6px 11px;
    border: 1px solid rgba(139, 98, 12, 0.22);
    border-radius: 999px;
    background: rgba(255, 232, 160, 0.62);
    color: #76520a;
    font-size: 0.76rem;
    font-weight: 850;
    letter-spacing: 0.04em;
    line-height: 1.2;
}

.check-list { display: grid; gap: 0; margin: 28px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding: 13px 0 13px 30px; border-bottom: 1px solid rgba(92, 110, 128, 0.2); color: var(--muted); line-height: 1.55; }
.check-list li:last-child { border-bottom: 0; }
.check-list li::before { position: absolute; top: 13px; left: 0; color: var(--teal); content: "✓"; font-weight: 900; }
.privacy-panel .check-list li { border-color: rgba(255, 255, 255, 0.12); color: #cbdbe6; }
.privacy-panel .check-list strong { color: #fff; }

.has-reveal .reveal-pending {
    opacity: 0;
    transform: translateY(28px) scale(0.985);
    transition: opacity 680ms ease, transform 760ms cubic-bezier(0.2, 0.72, 0.2, 1);
}

.has-reveal .reveal-pending.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.trust {
    display: grid;
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: clamp(42px, 7vw, 84px);
    align-items: start;
    padding: clamp(38px, 7vw, 76px);
    border-radius: 34px;
    background: var(--navy);
    color: #fff;
    box-shadow: var(--shadow);
}

.trust h2 { color: #fff; }
.trust p { color: #c9d8e5; }
.trust .eyebrow { color: #5bd4cb; }
.trust ul { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.trust li { position: relative; display: grid; padding: 18px 0 18px 31px; border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.trust li:last-child { border-bottom: 0; }
.trust li::before { position: absolute; top: 18px; left: 0; color: #58d4cb; content: "✓"; font-weight: 900; }
.trust li strong { color: #fff; }
.trust li span { color: #c9d8e5; font-size: 0.92rem; }
.text-link { display: inline-block; margin-top: 26px; color: #fff; font-weight: 800; text-decoration: none; }
.text-link:hover { color: #78e0d8; }

.pro-panel {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(36px, 7vw, 86px);
    align-items: center;
    padding: clamp(38px, 7vw, 72px);
    border: 1px solid #e5d39e;
    border-radius: 34px;
    background: linear-gradient(135deg, #fffaf0, #fff4cc);
}

.compact-list { display: grid; gap: 9px; margin: 24px 0 0; padding: 0; list-style: none; }
.compact-list li { font-weight: 750; }
.compact-list li::before { margin-right: 10px; color: #b77900; content: "•"; }

.faq-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }

.faq-list details {
    height: fit-content;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 9px 26px rgba(16, 53, 82, 0.05);
}

.faq-list summary { position: relative; padding: 21px 54px 21px 22px; cursor: pointer; font-weight: 800; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 18px; right: 21px; color: var(--blue); content: "+"; font-size: 1.35rem; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list p { margin: 0; padding: 0 22px 22px; color: var(--muted); }

.closing {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 28px;
    align-items: center;
    margin-bottom: 92px;
    padding: clamp(30px, 5vw, 52px);
    border: 1px solid var(--line);
    border-radius: 30px;
    background: var(--paper);
    box-shadow: var(--soft-shadow);
}

.closing-icon { width: 94px; border-radius: 24px; box-shadow: 0 13px 30px rgba(16, 53, 82, 0.16); }
.closing h2 { margin-bottom: 8px; font-size: clamp(1.9rem, 3.7vw, 3.1rem); }
.closing .actions { margin-top: 0; }

.page-main {
    width: min(900px, calc(100% - 32px));
    margin: 56px auto 100px;
    padding: clamp(30px, 6vw, 66px);
    border: 1px solid var(--line);
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
}

.page-main h1 { font-size: clamp(2.5rem, 7vw, 4.8rem); }
.page-main h2 { margin: 2.5rem 0 0.8rem; font-size: 1.45rem; }
.page-main h3 { margin: 1.7rem 0 0.55rem; font-size: 1.1rem; }
.page-main p, .page-main li { color: #354b61; }
.page-main ul { padding-left: 1.25rem; }
.updated { color: var(--muted); font-size: 0.92rem; }
.notice { padding: 18px 20px; border-left: 4px solid var(--yellow); background: #fff9e7; }
.contact-card { margin-top: 28px; padding: 22px; border-radius: 18px; background: var(--wash); }

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 30px 0 44px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.9rem;
}

.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }

@media (max-width: 1020px) {
    .nav > a { display: none; }
    .hero { grid-template-columns: 1fr; min-height: auto; padding: 54px; }
    .hero-copy { max-width: 820px; }
    .hero-visual { width: min(680px, 100%); margin: 0 auto; }
    .device-stage { width: min(680px, 100%); min-height: 590px; margin: 0 auto; }
    .hero-product { width: 100%; min-height: 510px; margin: 0 auto; }
    .hero-device { top: 72px; width: min(292px, 66%); }
    .promise, .proof-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .audience-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .promise div:nth-child(2), .proof-strip div:nth-child(2) { border-right: 0; }
    .promise div:nth-child(-n + 2), .proof-strip div:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
    .feature-pair { grid-template-columns: 1fr; }
    .feature-tile { grid-template-columns: minmax(0, 1fr) minmax(220px, 0.5fr); min-height: 560px; }
    .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .closing { grid-template-columns: auto 1fr; }
    .closing .actions { grid-column: 2; }
}

@media (max-width: 760px) {
    .shell { width: min(100% - 28px, 1180px); }
    .site-header { width: min(100% - 16px, 1220px); padding: 10px 13px; }
    .section { padding: 78px 0; }
    .scenario-grid, .split-panel, .trust, .pro-panel, .faq-list, .feature-row, .feature-row-reverse, .product-panel, .pro-panel-new { grid-template-columns: 1fr; }
    .feature-row { gap: 36px; min-height: 0; padding: 42px 30px 0; text-align: center; }
    .feature-row-reverse .feature-copy, .feature-row-reverse .screen-card { grid-column: 1; }
    .feature-row-reverse .feature-copy { grid-row: 1; }
    .feature-row-reverse .screen-card { grid-row: 2; }
    .feature-tags { justify-content: center; }
    .feature-pair { gap: 20px; }
    .feature-tile { grid-template-columns: 1fr; gap: 32px; min-height: 0; padding: 38px 30px 0; text-align: center; }
    .product-panel { gap: 40px; min-height: 0; }
    .privacy-panel { padding-bottom: 0; }
    .privacy-panel .product-copy { grid-row: 1; }
    .privacy-panel .screen-card { grid-row: 2; }
    .pro-panel-new .product-copy { grid-row: 1; }
    .pro-panel-new .screen-card { grid-row: 2; }
    .compact-section { width: min(100% - 28px, 1180px); padding: 42px 30px; }
    .bento-card, .bento-card:nth-child(3), .bento-card:nth-child(4), .bento-card.bento-featured, .bento-card.bento-wide { grid-column: span 12; grid-row: auto; min-height: 0; }
    .bento-card .number { margin-bottom: 28px; }
    .choice-list div { grid-template-columns: 1fr; gap: 4px; }
    .closing { grid-template-columns: 1fr; text-align: center; }
    .closing-icon { margin: 0 auto; }
    .closing .actions { grid-column: 1; justify-content: center; }
}

@media (max-width: 560px) {
    html { scroll-padding-top: 80px; }
    .brand img { width: 38px; height: 38px; }
    .hero { width: min(100% - 16px, 1220px); gap: 38px; padding: 42px 20px 18px; border-radius: 28px; }
    .hero h1, html[lang="ja"] .hero h1 { font-size: clamp(2.3rem, 10.8vw, 3.25rem); }
    html[lang="en"] .hero h1 { font-size: clamp(2.25rem, 10.2vw, 3.05rem); line-height: 1.12; }
    .hero .lead { overflow-wrap: anywhere; }
    .actions { display: grid; }
    .button { width: 100%; }
    .availability { width: 100%; min-height: 0; justify-content: center; text-align: center; }
    .device-stage { min-height: 430px; border: 0; border-radius: 24px 24px 0 0; background-size: auto, 28px 28px, 28px 28px, auto; }
    .device-shot { bottom: -70px; width: 46%; border-width: 4px; border-bottom-width: 12px; border-radius: 24px 24px 19px 19px; }
    .device-shot-main { width: 59%; }
    .device-shot-left { left: -13%; bottom: -36px; }
    .device-shot-right { right: -13%; bottom: -42px; }
    .hero-product { min-height: 390px; border-right: 0; border-bottom: 0; border-left: 0; border-radius: 24px 24px 0 0; }
    .hero-device { top: 70px; width: min(240px, 76%); border-width: 5px; border-bottom-width: 13px; border-radius: 30px 30px 23px 23px; }
    .carousel-nav { top: 11px; width: calc(100% - 20px); }
    .carousel-nav button { gap: 5px; min-height: 44px; padding: 6px 7px; font-size: 0.78rem; }
    .carousel-nav button span { font-size: 0.58rem; }
    .hero-art { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; min-height: 0; padding: 22px; border-radius: 28px; }
    .hero-icon { position: relative; top: auto; left: auto; grid-column: 1 / -1; grid-row: 1; width: 150px; margin: 14px auto 22px; transform: rotate(2deg); }
    .shape-card { position: static; min-width: 0; padding: 13px; transform: none; }
    .shape-card small { font-size: 0.7rem; }
    .promise, .proof-strip { grid-template-columns: 1fr; }
    .audience-section { padding-top: 68px; padding-bottom: 24px; }
    .audience-grid { grid-template-columns: 1fr; gap: 14px; }
    .audience-card { min-height: 0; padding: 24px; }
    .audience-card h3 { margin-top: 18px; }
    .promise div, .proof-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
    .promise div:last-child, .proof-strip div:last-child { border-bottom: 0; }
    .proof-strip div { padding: 18px 20px; }
    .scenario-card, .bento-card, .tool-grid article { padding: 24px; }
    .tool-grid { grid-template-columns: 1fr; }
    .compact-section { padding: 36px 20px; border-radius: 28px; }
    .compact-tools article { grid-template-columns: 46px minmax(0, 1fr); column-gap: 14px; padding: 22px 18px; }
    .compact-tools .tool-mark { width: 46px; height: 46px; }
    .split-panel, .trust, .pro-panel { padding: 30px 24px; border-radius: 26px; }
    .feature-row, .feature-tile { padding: 34px 20px 0; border-radius: 27px; }
    .feature-copy h3, .feature-tile h3 { font-size: clamp(1.9rem, 10vw, 2.65rem); }
    .screen-card { width: min(100%, 270px); padding: 16px 14px 0; border-radius: 27px; }
    .feature-tile .screen-card { width: min(100%, 250px); }
    .product-panel { padding: 34px 22px 0; border-radius: 28px; }
    .product-panel .product-copy { text-align: left; }
    .product-panel .screen-card { width: min(100%, 270px); }
    .pro-panel-new { padding-bottom: 0; }
    .pro-brand-row { gap: 10px; margin-bottom: 18px; }
    .pro-plan-tag { font-size: 0.72rem; }
    .page-main { width: min(100% - 20px, 900px); padding: 28px 20px; border-radius: 20px; }
    .closing { margin-bottom: 64px; padding: 28px 22px; }
    .site-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .button { transition: none; }
    .has-reveal .reveal-pending { opacity: 1; transform: none; transition: none; }
    .hero-slide { transition: none; }
    .carousel-nav button { transition: none; }
    .carousel-dots span { transition: none; }
    .store-badge-link { transition: none; }
    .hero-inline-link span { transition: none; }
}