:root {
  --navy: #14213d;
  --blue: #2f6fe4;
  --sky: #eef4ff;
  --sun: #ff8a3d;
  --sun-2: #ffb347;
  --ink: #1f2633;
  --muted: #6b7486;
  --line: #dfe6f3;
  --round: "Zen Maru Gothic", sans-serif;
  --sans: "Noto Sans JP", sans-serif;
  --en: "Montserrat", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); color: var(--ink); background: #fff; line-height: 1.85; -webkit-font-smoothing: antialiased; }
img, video { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
p, li, summary, figcaption { text-wrap: pretty; word-break: auto-phrase; }
h1, h2, h3 { text-wrap: balance; word-break: auto-phrase; }
.wrap { width: min(1100px, 100% - 32px); margin-inline: auto; }

/* Header */
.hd { position: fixed; inset: 0 0 auto; z-index: 20; display: flex; justify-content: space-between; align-items: center; padding: 12px 24px; background: rgba(20,33,61,.92); backdrop-filter: blur(8px); color: #fff; }
.hd-logo { font-family: var(--en); font-weight: 800; font-size: 18px; letter-spacing: .04em; }
.hd-logo span { color: var(--sun-2); }
.hd-cta { background: linear-gradient(135deg, var(--sun), var(--sun-2)); color: #fff; font-weight: 700; font-size: 14px; padding: 9px 20px; border-radius: 999px; }

/* Hero */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; color: #fff; overflow: hidden; background: var(--navy); }
.hero-bg { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,33,61,.92) 0%, rgba(20,33,61,.7) 45%, rgba(20,33,61,.15) 100%); }
.hero-in { position: relative; width: min(1100px, 100% - 32px); margin-inline: auto; padding: 110px 0 70px; }
.pill { display: inline-block; font-size: 13px; font-weight: 700; padding: 6px 16px; border-radius: 999px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.3); }
.hero h1 { font-family: var(--round); font-weight: 900; font-size: clamp(36px, 6vw, 68px); line-height: 1.35; margin: 18px 0 16px; }
.hero h1 em { font-style: normal; color: var(--sun-2); }
.hero-lead { font-size: 16px; opacity: .9; max-width: 32em; }
.badges { list-style: none; display: flex; gap: 14px; margin: 28px 0 32px; }
.badges li { width: 112px; height: 112px; border-radius: 50%; display: grid; place-content: center; text-align: center; background: rgba(255,255,255,.1); border: 2px solid var(--sun-2); }
.badges b { font-family: var(--round); font-size: 22px; line-height: 1.2; color: var(--sun-2); }
.badges span { font-size: 11px; opacity: .85; }
.btn-main { display: inline-flex; flex-direction: column; align-items: center; background: linear-gradient(135deg, var(--sun), var(--sun-2)); color: #fff; font-family: var(--round); font-weight: 900; font-size: 20px; padding: 16px 44px; border-radius: 999px; box-shadow: 0 14px 30px -12px rgba(255,138,61,.8); transition: transform .2s; }
.btn-main small { font-family: var(--sans); font-weight: 500; font-size: 12px; opacity: .95; }
.btn-main:hover { transform: translateY(-2px); }
.btn-main.small { font-size: 17px; padding: 14px 36px; margin: 28px auto 0; display: flex; width: fit-content; }
.btn-sub { display: inline-block; margin-left: 18px; font-weight: 700; font-size: 15px; border-bottom: 1px solid rgba(255,255,255,.5); }

/* Ticker */
.ticker { overflow: hidden; background: var(--navy); border-top: 1px solid rgba(255,255,255,.1); }
.ticker-in { display: flex; gap: 40px; width: max-content; padding: 14px 0; animation: tick 28s linear infinite; color: #c9d6f2; font-weight: 700; font-size: 14px; }
@keyframes tick { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker-in { animation: none; } }

/* Sections */
.sec { padding: 96px 0; }
.sec.soft { background: var(--sky); }
.en { font-family: var(--en); font-weight: 800; font-size: 14px; letter-spacing: .2em; color: var(--blue); }
.en.light { color: var(--sun-2); }
.sec h2, .contact h2 { font-family: var(--round); font-weight: 900; font-size: clamp(26px, 3.6vw, 40px); line-height: 1.45; margin: 8px 0 18px; }
.lead { color: #3b4456; max-width: 46em; }
.note { font-size: 12px; color: var(--muted); margin-top: 14px; }

.works { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-top: 36px; }
.work video { aspect-ratio: 9 / 16; border-radius: 12px; background: #000; box-shadow: 0 16px 30px -18px rgba(20,33,61,.6); }
.work figcaption { margin-top: 10px; font-size: 14px; color: var(--muted); }
.work figcaption b { color: var(--ink); margin-right: 8px; }

.problems, .reasons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; }
.problem, .reason { background: #fff; border-radius: 16px; padding: 28px 24px; box-shadow: 0 10px 24px -18px rgba(20,33,61,.5); }
.problem span { font-family: var(--en); font-weight: 800; font-size: 28px; color: var(--sun); }
.problem h3, .reason h3 { font-family: var(--round); font-weight: 700; font-size: 19px; margin: 6px 0 8px; }
.problem p, .reason p { font-size: 14px; color: #4a5366; }
.reason { border: 1px solid var(--line); box-shadow: none; }
.reason i { font-style: normal; display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--sky); color: var(--blue); font-family: var(--round); font-weight: 900; font-size: 20px; }

.char { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; align-items: center; }
.char img { border-radius: 14px; box-shadow: 0 16px 30px -18px rgba(20,33,61,.5); }

.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 30px; }
.plan { position: relative; border: 2px solid var(--line); border-radius: 16px; padding: 28px 20px; text-align: center; }
.plan.pick { border-color: var(--sun); }
.plan .tag { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--sun); color: #fff; font-size: 12px; font-weight: 700; padding: 2px 14px; border-radius: 999px; }
.plan h3 { font-family: var(--round); font-size: 18px; }
.yen { font-family: var(--round); font-weight: 900; font-size: 24px; color: var(--navy); margin: 10px 0; }
.yen small { font-size: 12px; color: var(--muted); }
.plan p:last-child { font-size: 13px; color: var(--muted); }

.flow { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; }
.flow li { background: #fff; border-radius: 14px; padding: 22px 20px; }
.flow b { font-family: var(--en); font-size: 12px; letter-spacing: .14em; color: var(--sun); }
.flow h3 { font-family: var(--round); font-size: 18px; margin: 4px 0 6px; }
.flow p { font-size: 13px; color: var(--muted); }

.faq details { border-bottom: 1px solid var(--line); padding: 18px 4px; }
.faq summary { cursor: pointer; font-weight: 700; list-style: none; position: relative; padding-right: 28px; }
.faq summary::after { content: "＋"; position: absolute; right: 0; color: var(--blue); }
.faq details[open] summary::after { content: "－"; }
.faq details p { margin-top: 10px; font-size: 14px; color: #4a5366; }

.contact { padding: 96px 0; text-align: center; color: #fff; background: linear-gradient(160deg, var(--navy), #22407a); }
.contact p { opacity: .9; max-width: 40em; margin: 0 auto 28px; }
.contact-hint { font-size: 13px; margin-top: 22px !important; opacity: .75 !important; }

.ft { text-align: center; padding: 28px 16px; font-size: 13px; color: var(--muted); }
.ft a { color: var(--blue); }

/* Assets */
.problem img, .reason img, .flow img { aspect-ratio: 1; object-fit: cover; border-radius: 12px; margin-bottom: 16px; }
.problem, .reason { overflow: hidden; }
.vertical { display: grid; grid-template-columns: 1fr 1.6fr; gap: 32px; align-items: center; margin-top: 56px; padding: 32px; background: var(--sky); border-radius: 20px; }
.vertical h3 { font-family: var(--round); font-size: 22px; margin-bottom: 8px; }
.vertical p { font-size: 14px; color: #4a5366; }
.vertical-imgs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.vertical-imgs img { aspect-ratio: 9 / 16; object-fit: cover; border-radius: 12px; }
.char-imgs { display: grid; gap: 14px; }
.char-imgs img { border-radius: 14px; background: #fff; box-shadow: 0 16px 30px -18px rgba(20,33,61,.5); }
.industries { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 32px; }
.industries li { position: relative; border-radius: 14px; overflow: hidden; }
.industries img { aspect-ratio: 4 / 3; object-fit: cover; }
.industries span { position: absolute; left: 12px; bottom: 12px; background: rgba(20,33,61,.82); color: #fff; font-weight: 700; font-size: 14px; padding: 4px 14px; border-radius: 999px; }

.char-points { list-style: none; display: grid; gap: 10px; margin-top: 22px; font-size: 14px; }
.char-points li { position: relative; padding-left: 24px; }
.char-points li::before { content: "✓"; position: absolute; left: 0; color: var(--sun); font-weight: 700; }

.sound-note { margin-top: 24px; padding: 18px 22px; border-radius: 14px; background: var(--sky); font-size: 14px; color: #3b4456; }
.sound-title { font-family: var(--round); font-weight: 700; font-size: 17px; color: var(--navy); margin-bottom: 4px; }

/* Monitor */
.monitor { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 20px; margin-top: 22px; padding: 20px 26px; border: 2px dashed var(--sun); border-radius: 16px; background: #fff7ef; }
.monitor-tag { background: var(--sun); color: #fff; font-weight: 700; font-size: 13px; padding: 4px 14px; border-radius: 999px; }
.monitor-txt { font-size: 15px; }
.monitor-txt b { font-family: var(--round); font-size: 22px; color: #d9601c; margin-right: 4px; }
.monitor-sub { flex-basis: 100%; font-size: 13px; color: var(--muted); }
.monitor-btn { margin-left: auto; background: var(--sun); color: #fff; font-weight: 700; padding: 10px 22px; border-radius: 999px; font-size: 14px; }
.monitor-sub { order: 3; }
.monitor-btn { order: 2; }

/* Premium */
.premium { display: grid; grid-template-columns: 1fr 1.3fr auto; gap: 32px; align-items: center; margin-top: 28px; padding: 34px 36px; border-radius: 20px; background: var(--navy); color: #fff; }
.premium-en { font-family: var(--en); font-weight: 800; font-size: 13px; letter-spacing: .3em; color: var(--sun-2); }
.premium h3 { font-family: var(--round); font-size: 24px; line-height: 1.5; margin: 6px 0 8px; }
.premium-yen { font-family: var(--round); font-weight: 900; font-size: 34px; color: var(--sun-2); }
.premium-yen small { font-size: 16px; }
.premium-list { list-style: none; display: grid; gap: 10px; font-size: 14px; color: #dfe6f3; }
.premium-list li { padding-left: 22px; position: relative; }
.premium-list li::before { content: "✓"; position: absolute; left: 0; color: var(--sun-2); font-weight: 700; }
.premium-btn { white-space: nowrap; border: 1.5px solid var(--sun-2); color: var(--sun-2); font-weight: 700; padding: 12px 22px; border-radius: 999px; font-size: 14px; transition: background .2s, color .2s; }
.premium-btn:hover { background: var(--sun-2); color: var(--navy); }

/* Mobile */
@media (max-width: 860px) {
  .hd { padding: 10px 14px; }
  .hd-logo { font-size: 15px; }
  .hd-cta { font-size: 12px; padding: 7px 14px; }
  .hero { align-items: flex-end; }
  .hero-shade { background: linear-gradient(180deg, rgba(20,33,61,.4) 0%, rgba(20,33,61,.92) 55%); }
  .hero-in { padding: 100px 0 48px; }
  .badges { gap: 8px; }
  .badges li { width: 96px; height: 96px; }
  .badges b { font-size: 18px; }
  .btn-main { width: 100%; }
  .btn-sub { display: block; margin: 18px 0 0; width: fit-content; }
  .sec, .contact { padding: 64px 0; }
  .works { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .problems, .reasons, .char, .plans, .flow, .vertical { grid-template-columns: 1fr; }
  .industries { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .industries li:last-child { grid-column: span 2; }
  .industries li:last-child img { aspect-ratio: 16 / 9; }
  .industries span { font-size: 12px; left: 8px; bottom: 8px; padding: 3px 10px; }
  .hero-bg { object-position: 78% center; }
  .vertical { padding: 20px; }
  .flow img { max-width: 220px; }
  .plans { gap: 22px; }
  .monitor { padding: 18px; }
  .monitor-btn { margin-left: 0; flex-basis: 100%; text-align: center; }
  .premium { grid-template-columns: 1fr; padding: 26px 22px; gap: 18px; }
  .premium-btn { text-align: center; }
}

/* Contact form */
.cform { max-width: 680px; margin: 32px auto 0; padding: 32px; background: #fff; color: #1f2633; border-radius: 18px; text-align: left; display: grid; gap: 16px; box-shadow: 0 20px 40px -24px rgba(0,0,0,.5); }
.cform-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cform label { display: block; font-size: 14px; font-weight: 700; }
.cform label > input, .cform label > select, .cform label > textarea { display: block; margin-top: 6px; }
.cform label b { display: inline-block; margin-left: 8px; font-size: 11px; color: #fff; background: #e0603a; border-radius: 4px; padding: 1px 6px; vertical-align: 1px; }
.cform input, .cform select, .cform textarea { width: 100%; font: inherit; font-weight: 400; font-size: 16px; padding: 12px 14px; border: 1px solid #cfd7e6; border-radius: 10px; background: #f8faff; color: #1f2633; }
.cform input:focus, .cform select:focus, .cform textarea:focus { outline: 2px solid #2f6fe4; outline-offset: 1px; background: #fff; }
.cform button { justify-self: center; min-width: 240px; padding: 15px 40px; border: 0; border-radius: 999px; font: inherit; font-weight: 700; font-size: 17px; color: #fff; background: linear-gradient(135deg, #ff8a3d, #ffb347); cursor: pointer; }
.cform button:disabled { opacity: .6; }
.cform-hp { position: absolute; left: -9999px; }
.cform-msg { text-align: center; font-size: 14px; min-height: 1.5em; margin: 0 !important; opacity: 1 !important; color: #3b4456; }
.cform-msg.ok { color: #1e8a4c; font-weight: 700; }
.cform-msg.err { color: #c0392b; font-weight: 700; }
@media (max-width: 860px) { .cform { padding: 22px 18px; } .cform-row { grid-template-columns: 1fr; } .cform button { width: 100%; } }