[hidden] {
  display: none !important;
}

img {
  max-width: 100%;
}

/* Layout: one fixed stage. Five full-screen panels sit on a cross-shaped plane
   (home in the centre); the plane slides so the chosen panel fills the stage. */
:root {
  color-scheme: dark;
  --ink: #000;
  --paper: #fff;
  --dim: #8d9499;
  --line: #2a2f33;
  --signal: #bfe3ff;
  --heading: "Oswald", "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --display: "Roboto", "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --body:
    "Roboto", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic",
    sans-serif;
  --dot-near: transparent; /* 大きめのドットは非表示 */
  --dot-far: rgba(255, 255, 255, 0.14);
  --gutter: clamp(20px, 5vw, 72px);
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.8;
  overflow: hidden;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.stage {
  position: relative;
  height: 100%;
  overflow: hidden;
}

.world {
  position: absolute;
  inset: 0;
  will-change: transform;
}

.panel {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.moving .topnav {
  visibility: hidden;
}

.field {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, var(--dot-near) 1.2px, transparent 1.8px),
    radial-gradient(circle, var(--dot-far) 1px, transparent 1.5px);
  background-size:
    140px 140px,
    52px 52px;
}

#tags {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transition: opacity 0.6s;
}

/* home */
#logo {
  position: absolute;
  left: 0;
  top: 0;
  image-rendering: pixelated;
  display: block;
}

.homebar {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding-inline: clamp(24px, 10vw, 160px);
}

.brand {
  flex: none;
  position: relative;
  width: clamp(200px, 28vw, 380px);
  max-width: 100%;
  aspect-ratio: 1123/272.28;
  fill: var(--paper);
  visibility: hidden;
}

.brand.in,
.brand.shown {
  visibility: visible;
}

.brand svg {
  position: absolute;
  left: 0;
  width: 100%;
}

.brand .full {
  top: 0;
  height: 100%;
  display: none;
}

.brand.shown .full {
  display: block;
}

.brand i {
  position: absolute;
  left: 0;
  width: 100%;
  height: 10%;
  top: calc(var(--i) * 10%);
  overflow: hidden;
  display: none;
}

.brand i svg {
  height: 1000%;
  top: calc(var(--i) * -100%);
}

.brand.in i {
  display: block;
  animation: slice 0.8s steps(1, end) both;
  animation-delay: var(--d);
}

@keyframes slice {
  0% {
    opacity: 0;
    transform: translateX(var(--dx));
  }
  12% {
    opacity: 1;
    transform: translateX(var(--dx));
  }
  30% {
    transform: translateX(calc(var(--dx) * -0.5));
  }
  45% {
    opacity: 0.35;
    transform: translateX(calc(var(--dx) * 0.25));
  }
  62% {
    opacity: 1;
    transform: translateX(calc(var(--dx) * -0.08));
  }
  78% {
    opacity: 0.5;
    transform: none;
  }
  90% {
    opacity: 1;
    transform: none;
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

.menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 6px 10px;
  min-width: 0;
  font-weight: 500;
  font-family: var(--heading);
  font-size: clamp(15px, 1.5vw, 20px);
  letter-spacing: 0.14em;
}

.menu button {
  background: var(--ink);
  padding: 6px 10px;
  min-height: 1.8em;
  white-space: pre;
  color: var(--paper);
}

.menu button:hover,
.menu button:focus-visible {
  background: var(--paper);
  color: var(--ink);
}

.menu button.typing::after,
.menu button.last::after {
  content: "\2588";
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.tool {
  position: absolute;
  left: var(--gutter);
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dim);
  padding: 6px 8px;
}

.tool:hover {
  color: var(--paper);
}

#skip {
  color: #666;
}

#skip:hover {
  color: #000;
}

/* content panels */
.inner {
  height: 100%;
  overflow-y: auto;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  padding-block: clamp(72px, 10vh, 104px) 72px;
  padding-inline: var(--gutter);
}

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 3fr);
  gap: 24px 48px;
  align-items: start;
}

.content {
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vh, 40px);
  min-width: 0;
}

.copy {
  position: absolute;
  right: var(--gutter);
  bottom: calc(22px + env(safe-area-inset-bottom, 0px));
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--dim);
  z-index: 6;
  pointer-events: none;
}

.topnav {
  position: absolute;
  right: var(--gutter);
  top: calc(18px + env(safe-area-inset-top, 0px));
  left: var(--gutter);
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 2px 6px;
  font-family: var(--heading);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.14em;
  z-index: 6;
}

.topnav button {
  padding: 6px 10px;
  background: var(--ink);
}

.topnav button:hover {
  background: var(--paper);
  color: var(--ink);
}

.topnav button[aria-current="true"] {
  box-shadow: inset 0 -2px 0 var(--paper);
}

h2 {
  margin: 0;
  font-family: var(--heading);
  font-weight: 600;
  font-size: clamp(31px, 3.4vw, 45px);
  line-height: 1.3;
  letter-spacing: 0.1em;
}

.tw-off {
  visibility: hidden;
}

.tw-cur {
  display: inline-block;
  width: 0;
  overflow: visible;
  white-space: nowrap;
  vertical-align: baseline;
}

.catch {
  margin: 0;
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 48px);
  line-height: 1.3;
  letter-spacing: 0.04em;
  text-wrap: balance;
}

.lead {
  margin: 0;
  color: var(--dim);
  max-width: 34em;
}

.list {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  list-style: none;
}

.list li {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  padding-inline: 24px;
  gap: 8px 32px;
  align-items: baseline;
  padding-block: 20px;
  border-top: 1px solid var(--line);
  transition:
    padding-left 0.3s,
    background 0.3s;
}

.list li:last-child {
  border-bottom: 1px solid var(--line);
}

.list li:hover {
  background: var(--paper);
  color: var(--ink);
  padding-left: 40px;
}

.list li:hover p {
  color: var(--ink);
}

.list h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(17px, 1.7vw, 22px);
  line-height: 1.5;
}

.list p {
  margin: 0;
  color: var(--dim);
  min-width: 0;
}

.slots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.slot {
  aspect-ratio: 4/3;
  max-width: 100%;
  border: 1px dashed var(--dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  color: var(--dim);
  letter-spacing: 0.14em;
  font-size: 13px;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 16px 16px;
}

.note {
  margin: 0;
  color: var(--dim);
  font-size: 14px;
}

dl {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(6em, auto) minmax(0, 1fr);
  gap: 0 32px;
}

dt,
dd {
  margin: 0;
  padding-block: 16px;
  border-top: 1px solid var(--line);
}

dt {
  font-family: var(--display);
  color: var(--dim);
  letter-spacing: 0.1em;
  font-size: 14px;
}

dd {
  min-width: 0;
}

dd small {
  color: var(--dim);
  font-size: 13px;
  letter-spacing: 0.08em;
}

/* ボタン：四隅のL字マーク + ホバーで左から塗りが走り、矢印が動く */
.cta {
  --corner: var(--paper);
  --corner-len: 10px;
  --fill: 0%;
  position: relative;
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 20px;
  box-sizing: border-box;
  padding: 16px 28px 16px 36px;
  font-family: var(--display);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: 0.14em;
  text-decoration: none;
  color: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 0;
  text-shadow: none;
  background-color: transparent;
  background-image:
    linear-gradient(var(--corner), var(--corner)), linear-gradient(var(--corner), var(--corner)),
    linear-gradient(var(--corner), var(--corner)), linear-gradient(var(--corner), var(--corner)),
    linear-gradient(var(--corner), var(--corner)), linear-gradient(var(--corner), var(--corner)),
    linear-gradient(var(--corner), var(--corner)), linear-gradient(var(--corner), var(--corner)),
    linear-gradient(var(--paper), var(--paper));
  background-repeat: no-repeat;
  background-origin: border-box;
  background-position:
    left top, left top, right top, right top, left bottom, left bottom, right bottom, right bottom,
    left center;
  background-size:
    var(--corner-len) 2px, 2px var(--corner-len), var(--corner-len) 2px, 2px var(--corner-len),
    var(--corner-len) 2px, 2px var(--corner-len), var(--corner-len) 2px, 2px var(--corner-len),
    var(--fill) 100%;
  cursor: pointer;
  transition:
    background-size 0.5s cubic-bezier(0.83, 0, 0.17, 1),
    color 0.3s 0.1s,
    border-color 0.3s,
    box-shadow 0.4s;
}

.cta::after {
  content: "→";
  display: inline-block;
  font-size: 18px;
  letter-spacing: 0;
  transition: transform 0.5s cubic-bezier(0.83, 0, 0.17, 1);
}

.cta:hover,
.cta:focus-visible {
  --corner: var(--ink);
  --corner-len: 100%;
  --fill: 100%;
  color: var(--ink);
  border-color: var(--paper);
  box-shadow: 0 0 24px rgba(191, 227, 255, 0.28);
}

.cta:hover::after,
.cta:focus-visible::after {
  transform: translateX(8px);
}

.cta:active {
  transform: translateY(1px);
}

@media (prefers-reduced-motion: reduce) {
  .cta,
  .cta::after {
    transition: none;
  }
}

.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.row {
  display: grid;
  grid-template-columns: minmax(0, 11em) minmax(0, 1fr);
  gap: 8px 24px;
  align-items: start;
}

.row label {
  padding-top: 10px;
  font-size: 14px;
  letter-spacing: 0.06em;
}

.req {
  margin-left: 10px;
  font-size: 11px;
  color: var(--signal);
}

.form input,
.form textarea {
  --corner: var(--paper);
  --corner-len: 10px;
  width: 100%;
  box-sizing: border-box;
  font: inherit;
  color: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 12px 14px;
  background-color: var(--ink);
  /* 四隅のL字マーク（上左・上右・下左・下右 × 横線/縦線） */
  background-image:
    linear-gradient(var(--corner), var(--corner)),
    linear-gradient(var(--corner), var(--corner)),
    linear-gradient(var(--corner), var(--corner)),
    linear-gradient(var(--corner), var(--corner)),
    linear-gradient(var(--corner), var(--corner)),
    linear-gradient(var(--corner), var(--corner)),
    linear-gradient(var(--corner), var(--corner)),
    linear-gradient(var(--corner), var(--corner));
  background-repeat: no-repeat;
  background-origin: border-box;
  background-position:
    left top,
    left top,
    right top,
    right top,
    left bottom,
    left bottom,
    right bottom,
    right bottom;
  background-size:
    var(--corner-len) 2px,
    2px var(--corner-len),
    var(--corner-len) 2px,
    2px var(--corner-len),
    var(--corner-len) 2px,
    2px var(--corner-len),
    var(--corner-len) 2px,
    2px var(--corner-len);
  transition:
    background-size 0.35s cubic-bezier(0.83, 0, 0.17, 1),
    border-color 0.3s,
    box-shadow 0.3s;
}

.form textarea {
  resize: vertical;
  min-height: 8em;
}

.form input:hover,
.form textarea:hover {
  border-color: var(--dim);
}

/* フォーカス時：角のマークが辺に沿って伸び、淡く発光する */
.form input:focus,
.form textarea:focus {
  --corner: var(--signal);
  --corner-len: 28px;
  outline: none;
  border-color: var(--signal);
  box-shadow: 0 0 14px rgba(191, 227, 255, 0.18);
}

.form .invalid {
  border-color: var(--signal);
}

.send {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
}

.tel {
  font-family: var(--display);
  font-size: clamp(20px, 3vw, 34px);
  letter-spacing: 0.06em;
  user-select: all;
  font-variant-numeric: tabular-nums;
}

/* ambient noise, above every panel */
#noise {
  position: absolute;
  left: 0;
  top: 0;
  image-rendering: pixelated;
  pointer-events: none;
  mix-blend-mode: screen;
  z-index: 5;
}

/* 1行で表示したいリード文（スマホ幅では折り返す） */
.lead-nowrap {
  max-width: none;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .lead-nowrap {
    white-space: normal;
  }

  .homebar {
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 40px;
  }
  .menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    margin-left: -10px;
  }
  .topnav {
    font-size: 11px;
    letter-spacing: 0.04em;
    gap: 1px;
    flex-wrap: nowrap;
    left: 8px;
    right: calc(var(--gutter) - 6px);
    justify-content: flex-end;
  }
  .topnav button {
    padding: 6px 4px;
  }
  .copy {
    background: var(--ink);
    padding: 2px 6px;
    right: calc(var(--gutter) - 6px);
  }
  .list li {
    grid-template-columns: minmax(0, 1fr);
  }
  .wrap {
    grid-template-columns: minmax(0, 1fr);
  }
  .row {
    grid-template-columns: minmax(0, 1fr);
  }
  .row label {
    padding-top: 0;
  }
  .row > span:empty {
    display: none;
  }
  dl {
    grid-template-columns: minmax(0, 1fr);
  }
  dd {
    border-top: 0;
    padding-top: 0;
  }
  dt {
    padding-bottom: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .menu button::after {
    animation: none;
  }
}

/* contact form: 確認画面ボタン / サンクスページ */
.row .hint {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--dim);
}

body.thanks {
  overflow: auto;
}

.thanks-stage {
  position: relative;
  min-height: 100%;
  display: flex;
  align-items: center;
  box-sizing: border-box;
  padding: 72px var(--gutter);
}

.thanks-body {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vh, 40px);
}

.thanks-logo {
  display: block;
  width: clamp(160px, 22vw, 260px);
  aspect-ratio: 1123 / 272.28;
  fill: var(--paper);
}

body.thanks .field {
  position: fixed;
}


/* メールフォームプロのJSが cols / size 属性から幅を指定するため、幅は CSS で固定 */
.form input,
.form textarea {
  width: 100% !important;
}