@font-face{
  font-family:'RetroGo';
  src:url('851retrogo.ttf') format('truetype'),
      url('851retorogo_007.ttf') format('truetype');
  font-display:swap;
}
:root{
  --blue:#24287f;
  --yellow:#dce127;
  --white:#ffffff;
  --blue-deep:#1a1d5e;
  --sans:"Helvetica Neue","Helvetica","Arial","Hiragino Kaku Gothic ProN","メイリオ",sans-serif;

  --serif:'Jost','Zen Kaku Gothic New',"Hiragino Sans","Noto Sans JP",sans-serif;
  --disp:'RetroGo',"Hiragino Kaku Gothic ProN","メイリオ",sans-serif;
}

.profile-text,.profile-side .rep,.svc-list p,.contact-lead,
form input,form textarea{
  font-weight:400;letter-spacing:.06em;
}

.profile-text,.contact-lead{color:#dfe2ff;font-size:17.5px}
.profile-side .rep{font-size:17px}
.svc-list p{color:#d6d9f5;font-size:16.5px}
.profile-text{line-height:2.15}
.svc-list p{line-height:2}
.contact-lead{line-height:2.1}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--blue);
  color:var(--yellow);
  font-family:var(--sans);
  line-height:1.9;
  letter-spacing:.025em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--yellow);color:var(--blue)}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:opacity .2s}
a:hover{opacity:.6}

.hero{
  min-height:100svh;position:relative;
  padding:8vh 7.5vw;
  display:flex;flex-direction:column;justify-content:space-between;
}

.hero-brand{
  align-self:flex-end;
  text-align:right;
}
.hero-logo{
  width:clamp(300px,44vw,660px);display:block;
  margin-left:auto;
}

@media(min-width:768px) and (max-width:1280px){
  .hero-logo{width:clamp(280px,38vw,500px)}
}
.hero-sub{
  margin-top:16px;
  font-family:var(--sans);font-weight:bold;
  font-size:clamp(13px,1.3vw,17px);
  letter-spacing:.22em;
  color:var(--white);
}.hero-tag{
  position:absolute;top:8vh;left:7.5vw;
  font-family:var(--disp);
  font-size:clamp(11px,1.1vw,14px);
  letter-spacing:.32em;
  color:var(--white);opacity:.85;
}

.hero-sound{
  position:absolute;bottom:8vh;right:7.5vw;
  width:min(54vw,760px);
  display:flex;flex-direction:column;align-items:flex-end;gap:14px;
}
.hero-wave{
  width:100%;aspect-ratio:6/1;display:block;
  opacity:.62;pointer-events:none;
}

.sound-btn{
  display:none;
  align-items:center;gap:10px;
  background:none;border:0;padding:6px 2px;cursor:pointer;
  font-family:var(--sans);font-weight:bold;
  font-size:clamp(11px,1.1vw,13px);letter-spacing:.28em;
  color:var(--white);opacity:.72;transition:opacity .2s;
}
.sound-btn:hover{opacity:1}
.sound-btn:focus-visible{outline:2px solid var(--yellow);outline-offset:4px;opacity:1}

.sound-btn .ico{
  width:0;height:0;
  border-left:9px solid var(--white);
  border-top:6px solid transparent;border-bottom:6px solid transparent;
  transition:border-color .2s;
}
.sound-btn[aria-pressed="true"] .ico{
  width:10px;height:10px;border:0;background:var(--yellow);
}
.sound-btn[aria-pressed="true"]{opacity:1;color:var(--yellow)}

.sound-btn .lbl{display:inline-block;min-width:7em;text-align:left}
@media(max-width:767px){
  .hero-tag{position:static;margin-bottom:6vh}

  .hero-sound{position:static;align-items:flex-start;margin-top:7vh;width:100%;gap:12px}
  .hero-wave{display:block;aspect-ratio:3.4/1;opacity:.7}
}

.hero-main{margin-top:auto;padding-bottom:13vh}

.hero-copy{
  font-family:var(--disp);
  font-weight:800;
  font-size:clamp(34px,6.8vw,104px);
  line-height:1.24;
  letter-spacing:.02em;
  color:var(--white);
  margin-bottom:7vh;
}
.hero-copy em{font-style:normal;display:block}

.hero-menu li{
  list-style:none;
}

.hero-menu a{
  font-family:var(--sans);
  font-weight:bold;
  font-size:clamp(19px,2.5vw,34px);
  line-height:1.75;
  letter-spacing:.025em;
  display:inline-block;
}
.hero-menu a:hover{opacity:1;color:var(--white)}
@media(max-width:767px){
  .hero-brand{align-self:flex-start;text-align:left;margin-bottom:8vh}
  .hero-logo{width:64vw;margin-left:0}
  .hero-sub{margin-top:12px}
  .hero{justify-content:flex-start;padding:6vh 7.5vw 10vh}
  .hero-main{margin-top:9vh;padding-bottom:0}
  .hero-copy{margin-bottom:6vh}
}

section{padding:16vh 7.5vw}

.sec-title{
  font-family:var(--sans);
  font-weight:bold;
  font-size:clamp(30px,4.6vw,62px);
  letter-spacing:.02em;
  line-height:1.1;
  margin-bottom:8vh;
}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.reveal.on{opacity:1;transform:none}

.profile{background:var(--blue);color:var(--yellow)}

.profile-copy{
  color:var(--white);
  font-family:var(--disp);
  font-weight:600;
  font-size:clamp(21px,2.7vw,34px);
  line-height:1.85;letter-spacing:.09em;
  margin-bottom:7vh;
}
.profile-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:6vw;align-items:start}
.profile-text{
  color:#cdd0f0;
  font-family:var(--serif);
  font-size:16px;line-height:2.2;
  max-width:662px;
}
.profile-text p{margin-bottom:1.8em}
.profile-side .hr{
  border-top:1px solid var(--yellow);
  width:94px;margin:0 0 36px;
}
.profile-side img{width:min(300px,80%);display:block;margin-bottom:20px}
.profile-side .rep{
  color:var(--white);
  font-family:var(--serif);
  font-size:16px;letter-spacing:.08em;
}
@media(max-width:820px){.profile-grid{grid-template-columns:1fr;gap:40px}}

.svc-list{list-style:none;max-width:900px}
.svc-list li{
  display:grid;grid-template-columns:64px 240px 1fr;gap:3vw;align-items:baseline;
  padding:40px 0;
  border-bottom:1px solid rgba(220,225,39,.35);
}
.svc-list li:first-child{border-top:1px solid rgba(220,225,39,.35)}
.svc-list .num{font-weight:bold;font-size:18px}
.svc-list h3{
  font-family:var(--disp);
  font-size:clamp(18px,2vw,24px);
  font-weight:normal;letter-spacing:.1em;
  color:var(--white);
}
.svc-list p{font-family:var(--serif);font-size:15px;color:#cdd0f0}
@media(max-width:820px){.svc-list li{grid-template-columns:44px 1fr}.svc-list p{grid-column:2}}

.works{background:var(--blue);color:var(--yellow)}
.works-doors{list-style:none;display:grid;gap:40px;max-width:980px}
.door{
  display:flex;justify-content:space-between;align-items:center;gap:30px;
  padding:52px 54px;
  transition:transform .3s ease;
}
.door:hover{opacity:1;transform:translateX(14px)}
.door .go{font-size:14px;letter-spacing:.12em;white-space:nowrap;transition:transform .25s ease}
.door:hover .go{transform:translateX(8px)}

.door.pop{background:var(--yellow);color:var(--blue)}
.door.pop .door-title{
  font-family:var(--sans);font-weight:800;
  font-size:clamp(22px,3.2vw,38px);letter-spacing:.04em;
  text-transform:uppercase;
}
.door.pop .go{font-family:var(--sans);font-weight:bold}

.door.quiet{background:#ffffff;color:#111111}
.door.quiet .door-title{
  font-family:'Jost',sans-serif;font-weight:500;
  font-size:clamp(20px,2.8vw,34px);letter-spacing:.14em;
  text-transform:uppercase;
}
.door.quiet .go{
  font-family:'Zen Kaku Gothic New',sans-serif;font-weight:300;
  letter-spacing:.22em;
}
@media(max-width:640px){.door{flex-direction:column;align-items:flex-start;padding:36px 30px}}

.contact-lead{
  font-family:var(--serif);
  font-size:16px;color:#cdd0f0;
  max-width:600px;margin-bottom:9vh;
}
form{max-width:520px}
.field{margin-bottom:58px}
.field label{
  display:block;
  font-family:var(--sans);font-weight:bold;
  font-size:14px;letter-spacing:.05em;
  color:var(--white);margin-bottom:6px;
}
.field input,.field textarea{
  width:100%;
  background:var(--blue);
  border:0;border-bottom:1px solid var(--yellow);
  border-radius:0;
  font-family:var(--serif);
  font-size:20px;color:var(--white);
  padding:10px 0 12px;
  outline:none;resize:none;
}
.field textarea{min-height:120px;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:#8d90c9}
.field input:focus,.field textarea:focus{border-bottom-color:var(--white)}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.sendButton{
  background:var(--yellow);
  border:none;cursor:pointer;
  color:var(--blue);
  font-family:var(--sans);font-weight:bold;
  font-size:clamp(20px,2.5vw,32px);
  letter-spacing:.05em;
  width:100%;max-width:520px;
  height:88px;
  text-align:right;
  padding:0 42px;
  display:flex;align-items:center;justify-content:flex-end;gap:24px;
  transition:opacity .2s;
}
.sendButton:hover{opacity:.75}
.sendButton .arrow{font-family:var(--sans)}

a.sendButton{text-decoration:none}
a.sendButton:hover{opacity:.75}
.mailbox{max-width:520px}
.mail-addr{
  margin-top:22px;
  font-family:var(--sans);font-weight:bold;
  font-size:clamp(16px,2vw,22px);letter-spacing:.06em;
  color:var(--white);
  word-break:break-all;
}
.mail-note{
  margin-top:14px;
  font-family:var(--serif);font-weight:400;
  font-size:14.5px;line-height:2;letter-spacing:.06em;
  color:#aeb2e0;
}

footer{
  background:var(--blue-deep);color:var(--yellow);
  padding:72px 7.5vw;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
}
footer .left{
  font-family:var(--sans);font-weight:bold;
  font-size:clamp(14px,1.7vw,22px);
  display:flex;flex-direction:column;gap:12px;align-items:flex-start;
}
footer .privacy{
  font-family:var(--sans);font-weight:bold;
  font-size:13px;letter-spacing:.14em;
  border-bottom:1px solid var(--yellow);padding-bottom:2px;
}
footer img{height:28px}
@media(max-width:640px){footer{flex-direction:column;align-items:flex-start;gap:28px}}

@media(max-width:767px){
  section{padding:9vh 7.5vw}
  .sec-title{margin-bottom:5vh}
  .hero-menu a{font-size:22px;line-height:1.95}
  .profile-copy{margin-bottom:5vh}
  .profile-text{line-height:2.05}
  .contact-lead{margin-bottom:6vh}
  .svc-list li{padding:30px 0}
  .works-doors{gap:22px}
  .sendButton{height:74px;padding:0 26px;font-size:20px}
  .mail-addr{font-size:17px}
}
@media(max-width:400px){

  .hero-copy{font-size:31px}
}

@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}