:root{--primary:#0f6e8c;--primary-d:#0a4f66;--accent:#ff8c42;--accent-d:#e8731f;--ink:#1f2a30;--muted:#5d6b72;--bg:#fff;--bg2:#f3f8fa;--line:#e3edf1;--radius:14px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Noto Sans JP',-apple-system,BlinkMacSystemFont,sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 22px}
.btn{display:inline-block;padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;transition:.2s;border:2px solid transparent;cursor:pointer}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-d);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-ghost-d{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost-d:hover{background:var(--bg2)}
.sec{padding:84px 0}
.sec-alt{background:var(--bg2)}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.18em;color:var(--accent-d);font-weight:700;margin:0 0 10px}
.sec-title{font-size:clamp(25px,4vw,36px);font-weight:900;margin:0 0 14px;line-height:1.4;color:var(--primary-d)}
.sec-lead{color:var(--muted);max-width:680px;margin:0 auto}
.center{text-align:center}
/* header */
.hd{position:fixed;top:0;left:0;right:0;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);z-index:100;box-shadow:0 1px 0 var(--line)}
.hd-in{display:flex;align-items:center;justify-content:space-between;padding:13px 22px;max-width:1100px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;color:var(--primary-d)}
.logo .dot{width:30px;height:30px;border-radius:9px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px}
.nav{display:flex;align-items:center;gap:22px}
.nav a{font-size:14px;font-weight:500;color:var(--ink)}
.nav a:hover{color:var(--primary)}
.nav a.camp-link{color:var(--accent-d);font-weight:700}
.nav .btn{padding:9px 20px;font-size:14px}
.navtog{display:none;background:none;border:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.navtog span{width:25px;height:2px;background:var(--primary-d);display:block}
/* HERO (dark, stylish) */
.hero{margin-top:58px;position:relative;overflow:hidden;background:radial-gradient(1200px 500px at 80% -10%,#1a8aa8 0%,transparent 60%),linear-gradient(155deg,#0a4f66 0%,#0f6e8c 55%,#0a4f66 100%);color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 15% 110%,rgba(255,140,66,.22),transparent 70%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:70px 0 76px}
.badge-camp{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(90deg,#ff8c42,#ff6a3d);color:#fff;font-weight:700;font-size:13.5px;padding:9px 18px;border-radius:999px;box-shadow:0 8px 22px rgba(255,106,61,.4);margin-bottom:20px;animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 8px 22px rgba(255,106,61,.4)}50%{box-shadow:0 8px 30px rgba(255,106,61,.65)}}
.hero h1{font-size:clamp(30px,5vw,50px);font-weight:900;line-height:1.32;margin:0 0 20px;letter-spacing:.01em}
.hero h1 .hl{color:#ffd9a3}
.hero .lead{font-size:clamp(15px,2vw,17px);color:#d7eef5;max-width:560px;margin:0 0 28px}
.hero-ctas{display:flex;gap:13px;flex-wrap:wrap}
.hero-stats{display:flex;gap:26px;margin-top:26px;flex-wrap:wrap}
.hero-stats div{font-size:13px;color:#bfe0ea}
.hero-stats b{display:block;font-size:24px;font-weight:900;color:#fff}
/* browser mockups */
.mockwrap{position:relative;min-height:320px}
.browser{position:absolute;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 28px 60px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.15)}
.browser .bar{height:26px;background:#e9eef1;display:flex;align-items:center;gap:6px;padding:0 12px}
.browser .bar i{width:9px;height:9px;border-radius:50%;background:#ccd5da;display:block}
.browser .bar i:nth-child(1){background:#ff6058}.browser .bar i:nth-child(2){background:#ffbd2e}.browser .bar i:nth-child(3){background:#28c940}
.browser img{width:100%;display:block}
.browser.b1{width:88%;right:0;top:18px;transform:perspective(1200px) rotateY(-9deg) rotateX(2deg);z-index:2}
.browser.b2{width:60%;left:0;bottom:0;transform:perspective(1200px) rotateY(-9deg) rotateX(2deg);z-index:1;opacity:.96}
/* generic cards/sections reused */
.grid{display:grid;gap:22px}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px}
.s-card .ic{width:52px;height:52px;border-radius:13px;background:#e8f4f8;color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:900;margin-bottom:14px}
.s-card h3{margin:0 0 8px;font-size:18px;color:var(--primary-d)}
.s-card p{margin:0;font-size:14px;color:var(--muted)}
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:10px}
.work{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.2s;display:block}
.work:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(15,110,140,.14)}
.work .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg2)}
.work .thumb img{width:100%;height:100%;object-fit:cover;object-position:top}
.work .meta{padding:14px 16px}
.work .cat{font-size:11.5px;font-weight:700;color:var(--accent-d);letter-spacing:.04em}
.work .name{font-size:16px;font-weight:700;margin:3px 0 8px;color:var(--ink)}
.work .more{font-size:13px;font-weight:700;color:var(--primary)}
/* campaign section */
.campaign{background:linear-gradient(135deg,#fff3e9,#ffe6d3);text-align:center}
.camp-box{background:#fff;border:2px dashed var(--accent);border-radius:20px;padding:40px 28px;max-width:760px;margin:0 auto;box-shadow:0 16px 40px rgba(255,140,66,.18)}
.camp-tag{display:inline-block;background:var(--accent);color:#fff;font-weight:700;font-size:13px;padding:6px 18px;border-radius:999px;margin-bottom:14px}
.camp-box h2{font-size:clamp(24px,4.4vw,38px);font-weight:900;color:var(--accent-d);margin:0 0 8px;line-height:1.35}
.camp-box .big{font-size:clamp(30px,6vw,52px);font-weight:900;color:var(--ink);margin:6px 0}
.camp-box .big s{color:var(--muted);font-size:.55em;font-weight:700}
.camp-box p{color:var(--muted);margin:10px 0 22px;font-size:14.5px}
/* pricing cards */
.plans{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:8px}
.plan{border:1px solid var(--line);border-radius:18px;padding:32px 28px;background:#fff;position:relative;text-align:left}
.plan.reco{border:2px solid var(--accent)}
.plan .badge{position:absolute;top:-14px;left:28px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:999px}
.plan h3{margin:0 0 4px;font-size:19px;color:var(--primary-d)}
.plan .price{font-size:34px;font-weight:900;color:var(--ink);margin:6px 0}
.plan .price small{font-size:15px;font-weight:700;color:var(--muted)}
.plan .camp{display:inline-block;background:#fff3e9;color:var(--accent-d);font-weight:700;font-size:13px;padding:5px 12px;border-radius:8px;margin-bottom:10px}
.plan ul{margin:12px 0 0;padding:0;list-style:none}
.plan li{padding:7px 0 7px 26px;position:relative;font-size:14px;color:var(--ink);border-top:1px solid var(--line)}
.plan li:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:900}
.ds-note{margin-top:24px;background:#fff;border:1px dashed var(--primary);border-radius:14px;padding:20px 24px;text-align:left}
.ds-note h4{margin:0 0 6px;color:var(--primary-d);font-size:16px}
.ds-note p{margin:0 0 8px;font-size:13.5px;color:var(--muted)}
/* comparison (price page) */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:14px;align-items:stretch}
.cmp{border-radius:18px;padding:30px 26px}
.cmp.bad{background:#f5f6f7;border:1px solid var(--line)}
.cmp.good{background:linear-gradient(160deg,#e8f4f8,#fff);border:2px solid var(--primary);box-shadow:0 16px 40px rgba(15,110,140,.16)}
.cmp .lbl{font-weight:700;font-size:14px;margin:0 0 4px}
.cmp.bad .lbl{color:var(--muted)}
.cmp.good .lbl{color:var(--primary)}
.cmp .amt{font-size:clamp(24px,4vw,34px);font-weight:900;line-height:1.3;margin:4px 0 10px}
.cmp.bad .amt{color:#8a949a}
.cmp.good .amt{color:var(--primary-d)}
.cmp ul{margin:10px 0 0;padding:0;list-style:none}
.cmp li{font-size:13.5px;padding:6px 0 6px 22px;position:relative;border-top:1px dashed rgba(0,0,0,.08)}
.cmp.bad li:before{content:"×";position:absolute;left:0;color:#b6bfc4;font-weight:900}
.cmp.good li:before{content:"◎";position:absolute;left:0;color:var(--primary);font-weight:900}
.tbl{width:100%;border-collapse:collapse;margin-top:14px;font-size:14px;background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.tbl th,.tbl td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left}
.tbl th{background:var(--primary);color:#fff;font-weight:700}
.tbl td.our{background:#eef7fa;font-weight:700;color:var(--primary-d)}
.tbl tr:last-child td{border-bottom:none}
/* flow */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:42px}
.step{text-align:center}
.step .n{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center;margin:0 auto 10px}
.step h4{margin:0 0 4px;font-size:15px;color:var(--primary-d)}
.step p{margin:0;font-size:12.5px;color:var(--muted)}
/* faq */
.faq{max-width:820px;margin:36px auto 0}
.qa{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-bottom:12px}
.qa h4{margin:0 0 6px;font-size:15.5px;color:var(--primary-d)}
.qa h4:before{content:"Q. ";color:var(--accent-d)}
.qa p{margin:0;font-size:14px;color:var(--muted)}
/* cta */
.cta{background:var(--primary);color:#fff;text-align:center}
.cta h2{font-size:clamp(24px,4vw,34px);font-weight:900;margin:0 0 14px}
.cta p{color:#d7eef5;margin:0 0 26px}
/* footer */
.ft{background:var(--primary-d);color:#bcd6df;padding:34px 0;text-align:center;font-size:13px}
.ft .logo{justify-content:center;color:#fff;margin-bottom:8px}
.ft .logo .dot{background:#fff;color:var(--primary-d)}
.ft a{color:#9fd0dd}
/* page hero (sub pages) */
.phead{margin-top:58px;background:linear-gradient(155deg,#0a4f66,#0f6e8c);color:#fff;padding:56px 0;text-align:center}
.phead h1{font-size:clamp(26px,4.5vw,40px);font-weight:900;margin:0 0 8px}
.phead p{color:#d7eef5;margin:0}
.reveal{opacity:0;transform:translateY(22px)}
.reveal.in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s ease}
@media(max-width:900px){.g4{grid-template-columns:repeat(2,1fr)}.works{grid-template-columns:repeat(2,1fr)}.flow{grid-template-columns:repeat(2,1fr);gap:24px}.hero-grid{grid-template-columns:1fr;gap:10px;padding:54px 0 60px}.mockwrap{min-height:240px;margin-top:10px}}
@media(max-width:680px){.navtog{display:flex}.nav{position:absolute;top:58px;right:14px;left:14px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;gap:14px;box-shadow:0 12px 30px rgba(0,0,0,.12);display:none}.nav.open{display:flex}.g4,.works,.plans,.compare{grid-template-columns:1fr}.flow{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.badge-camp{animation:none}}
/* contact form */
.cform{max-width:560px;margin:26px auto 0;text-align:left}
.cform .row{margin-bottom:13px}
.cform input,.cform textarea{width:100%;padding:13px 15px;border-radius:10px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.96);font-family:inherit;font-size:15px;color:var(--ink)}
.cform input:focus,.cform textarea:focus{outline:none;box-shadow:0 0 0 3px rgba(255,140,66,.5)}
.cform textarea{resize:vertical;min-height:120px}
.cform button{width:100%;margin-top:4px}
.cform .note{font-size:12px;color:#bfe0ea;margin-top:12px;text-align:center}
.form-ok{display:none;background:#fff;color:var(--primary-d);border-radius:14px;padding:30px 24px;font-weight:700;text-align:center;max-width:560px;margin:26px auto 0;line-height:1.9}
.form-ok .ic{font-size:36px;color:#28c940;display:block;margin-bottom:6px}
/* === hero entrance animation === */
@keyframes fadeup{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.anim{opacity:0;animation:fadeup .8s cubic-bezier(.2,.7,.2,1) forwards}
/* === hero scrolling demo screens === */
.screens{display:grid;grid-template-columns:1fr 1fr;gap:14px;height:440px;overflow:hidden;-webkit-mask:linear-gradient(180deg,transparent,#000 11%,#000 89%,transparent);mask:linear-gradient(180deg,transparent,#000 11%,#000 89%,transparent);opacity:0;animation:fadeup 1s ease .25s forwards}
.scol{display:flex;flex-direction:column;gap:14px;will-change:transform;animation:scrn-up 30s linear infinite}
.scol.b{animation:scrn-dn 36s linear infinite}
@keyframes scrn-up{from{transform:translateY(0)}to{transform:translateY(-50%)}}
@keyframes scrn-dn{from{transform:translateY(-50%)}to{transform:translateY(0)}}
.screens:hover .scol{animation-play-state:paused}
.screen{border-radius:11px;overflow:hidden;box-shadow:0 14px 32px rgba(0,0,0,.38);border:1px solid rgba(255,255,255,.14);flex:0 0 auto;background:#fff}
.screen .tt{height:18px;background:#e9eef1;display:flex;align-items:center;gap:4px;padding:0 8px}
.screen .tt i{width:6px;height:6px;border-radius:50%;background:#c2ccd2;display:block}
.screen img{width:100%;display:block}
/* === big campaign band === */
.campbig{background:linear-gradient(120deg,#ff7a3d 0%,#ff8c42 45%,#ffa05c 100%);color:#fff;text-align:center;position:relative;overflow:hidden}
.campbig:before{content:"";position:absolute;inset:0;background:radial-gradient(600px 200px at 15% 0%,rgba(255,255,255,.25),transparent 60%)}
.campbig .in{position:relative;padding:8px 0}
.camp-stamp{display:inline-block;background:#fff;color:var(--accent-d);font-weight:900;font-size:14px;padding:7px 22px;border-radius:999px;transform:rotate(-2deg);box-shadow:0 6px 18px rgba(0,0,0,.18);margin-bottom:14px;letter-spacing:.05em}
.campbig h2{font-size:clamp(26px,5vw,44px);font-weight:900;margin:0 0 6px;line-height:1.3;text-shadow:0 2px 10px rgba(0,0,0,.12)}
.campbig .deal{font-size:clamp(28px,6.4vw,58px);font-weight:900;line-height:1.2;margin:10px 0}
.campbig .deal s{opacity:.7;font-size:.5em;font-weight:700}
.campbig .deal .arw{font-size:.7em;opacity:.85;margin:0 .15em}
.campbig .sub{font-size:clamp(15px,2.2vw,19px);font-weight:700;margin:6px 0 4px}
.campbig .fine{font-size:13px;opacity:.92;margin:8px 0 22px}
.campbig .btn{background:#fff;color:var(--accent-d);border:none}
.campbig .btn:hover{background:#fff7f1}
.ribbon{position:absolute;top:18px;right:-46px;background:#0a4f66;color:#fff;font-weight:700;font-size:12px;padding:6px 56px;transform:rotate(45deg);box-shadow:0 4px 12px rgba(0,0,0,.2)}
/* === promise / reassurance === */
.promise{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px;text-align:left}
.pm{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 22px;display:flex;gap:14px;align-items:flex-start}
.pm .ck{flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:#e6f6ee;color:#1aa564;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:18px}
.pm h4{margin:0 0 4px;font-size:15.5px;color:var(--primary-d)}
.pm p{margin:0;font-size:13px;color:var(--muted)}
/* === target chips === */
.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:11px 22px;font-weight:700;font-size:14px;color:var(--primary-d);box-shadow:0 4px 14px rgba(15,110,140,.06)}
.chip span{color:var(--accent-d);margin-right:6px}
@media(max-width:900px){.promise{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.screens{height:320px}.promise{grid-template-columns:1fr}.ribbon{display:none}}
@media(prefers-reduced-motion:reduce){.anim{opacity:1;animation:none}.screens{opacity:1;animation:none}.scol{animation:none!important}}